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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/amd/display/modules
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules')
-rw-r--r--drivers/gpu/drm/amd/display/modules/color/Makefile31
-rw-r--r--drivers/gpu/drm/amd/display/modules/color/color_gamma.c2303
-rw-r--r--drivers/gpu/drm/amd/display/modules/color/color_gamma.h132
-rw-r--r--drivers/gpu/drm/amd/display/modules/color/color_table.c64
-rw-r--r--drivers/gpu/drm/amd/display/modules/color/color_table.h47
-rw-r--r--drivers/gpu/drm/amd/display/modules/color/luts_1d.h51
-rw-r--r--drivers/gpu/drm/amd/display/modules/freesync/Makefile31
-rw-r--r--drivers/gpu/drm/amd/display/modules/freesync/freesync.c1435
-rw-r--r--drivers/gpu/drm/amd/display/modules/hdcp/Makefile33
-rw-r--r--drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c598
-rw-r--r--drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h584
-rw-r--r--drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c535
-rw-r--r--drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_transition.c322
-rw-r--r--drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c889
-rw-r--r--drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_transition.c677
-rw-r--r--drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c664
-rw-r--r--drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.c361
-rw-r--r--drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.h134
-rw-r--r--drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c1025
-rw-r--r--drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.h532
-rw-r--r--drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h200
-rw-r--r--drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h324
-rw-r--r--drivers/gpu/drm/amd/display/modules/inc/mod_info_packet.h43
-rw-r--r--drivers/gpu/drm/amd/display/modules/inc/mod_shared.h108
-rw-r--r--drivers/gpu/drm/amd/display/modules/inc/mod_stats.h75
-rw-r--r--drivers/gpu/drm/amd/display/modules/inc/mod_vmid.h46
-rw-r--r--drivers/gpu/drm/amd/display/modules/info_packet/Makefile31
-rw-r--r--drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c517
-rw-r--r--drivers/gpu/drm/amd/display/modules/power/Makefile31
-rw-r--r--drivers/gpu/drm/amd/display/modules/power/power_helpers.c948
-rw-r--r--drivers/gpu/drm/amd/display/modules/power/power_helpers.h65
-rw-r--r--drivers/gpu/drm/amd/display/modules/vmid/vmid.c174
32 files changed, 13010 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/color/Makefile b/drivers/gpu/drm/amd/display/modules/color/Makefile
new file mode 100644
index 000000000..e66c19a84
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/color/Makefile
@@ -0,0 +1,31 @@
+#
+# Copyright 2018 Advanced Micro Devices, Inc.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+# THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+#
+#
+# Makefile for the color sub-module of DAL.
+#
+
+MOD_COLOR = color_gamma.o color_table.o
+
+AMD_DAL_MOD_COLOR = $(addprefix $(AMDDALPATH)/modules/color/,$(MOD_COLOR))
+#$(info ************ DAL COLOR MODULE MAKEFILE ************)
+
+AMD_DISPLAY_FILES += $(AMD_DAL_MOD_COLOR)
diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
new file mode 100644
index 000000000..447a0ec9c
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
@@ -0,0 +1,2303 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dc.h"
+#include "opp.h"
+#include "color_gamma.h"
+
+/* When calculating LUT values the first region and at least one subsequent
+ * region are calculated with full precision. These defines are a demarcation
+ * of where the second region starts and ends.
+ * These are hardcoded values to avoid recalculating them in loops.
+ */
+#define PRECISE_LUT_REGION_START 224
+#define PRECISE_LUT_REGION_END 239
+
+static struct hw_x_point coordinates_x[MAX_HW_POINTS + 2];
+
+// these are helpers for calculations to reduce stack usage
+// do not depend on these being preserved across calls
+
+/* Helper to optimize gamma calculation, only use in translate_from_linear, in
+ * particular the dc_fixpt_pow function which is very expensive
+ * The idea is that our regions for X points are exponential and currently they all use
+ * the same number of points (NUM_PTS_IN_REGION) and in each region every point
+ * is exactly 2x the one at the same index in the previous region. In other words
+ * X[i] = 2 * X[i-NUM_PTS_IN_REGION] for i>=16
+ * The other fact is that (2x)^gamma = 2^gamma * x^gamma
+ * So we compute and save x^gamma for the first 16 regions, and for every next region
+ * just multiply with 2^gamma which can be computed once, and save the result so we
+ * recursively compute all the values.
+ */
+
+/*
+ * Regamma coefficients are used for both regamma and degamma. Degamma
+ * coefficients are calculated in our formula using the regamma coefficients.
+ */
+ /*sRGB 709 2.2 2.4 P3*/
+static const int32_t numerator01[] = { 31308, 180000, 0, 0, 0};
+static const int32_t numerator02[] = { 12920, 4500, 0, 0, 0};
+static const int32_t numerator03[] = { 55, 99, 0, 0, 0};
+static const int32_t numerator04[] = { 55, 99, 0, 0, 0};
+static const int32_t numerator05[] = { 2400, 2200, 2200, 2400, 2600};
+
+/* one-time setup of X points */
+void setup_x_points_distribution(void)
+{
+ struct fixed31_32 region_size = dc_fixpt_from_int(128);
+ int32_t segment;
+ uint32_t seg_offset;
+ uint32_t index;
+ struct fixed31_32 increment;
+
+ coordinates_x[MAX_HW_POINTS].x = region_size;
+ coordinates_x[MAX_HW_POINTS + 1].x = region_size;
+
+ for (segment = 6; segment > (6 - NUM_REGIONS); segment--) {
+ region_size = dc_fixpt_div_int(region_size, 2);
+ increment = dc_fixpt_div_int(region_size,
+ NUM_PTS_IN_REGION);
+ seg_offset = (segment + (NUM_REGIONS - 7)) * NUM_PTS_IN_REGION;
+ coordinates_x[seg_offset].x = region_size;
+
+ for (index = seg_offset + 1;
+ index < seg_offset + NUM_PTS_IN_REGION;
+ index++) {
+ coordinates_x[index].x = dc_fixpt_add
+ (coordinates_x[index-1].x, increment);
+ }
+ }
+}
+
+void log_x_points_distribution(struct dal_logger *logger)
+{
+ int i = 0;
+
+ if (logger != NULL) {
+ LOG_GAMMA_WRITE("Log X Distribution\n");
+
+ for (i = 0; i < MAX_HW_POINTS; i++)
+ LOG_GAMMA_WRITE("%llu\n", coordinates_x[i].x.value);
+ }
+}
+
+static void compute_pq(struct fixed31_32 in_x, struct fixed31_32 *out_y)
+{
+ /* consts for PQ gamma formula. */
+ const struct fixed31_32 m1 =
+ dc_fixpt_from_fraction(159301758, 1000000000);
+ const struct fixed31_32 m2 =
+ dc_fixpt_from_fraction(7884375, 100000);
+ const struct fixed31_32 c1 =
+ dc_fixpt_from_fraction(8359375, 10000000);
+ const struct fixed31_32 c2 =
+ dc_fixpt_from_fraction(188515625, 10000000);
+ const struct fixed31_32 c3 =
+ dc_fixpt_from_fraction(186875, 10000);
+
+ struct fixed31_32 l_pow_m1;
+ struct fixed31_32 base;
+
+ if (dc_fixpt_lt(in_x, dc_fixpt_zero))
+ in_x = dc_fixpt_zero;
+
+ l_pow_m1 = dc_fixpt_pow(in_x, m1);
+ base = dc_fixpt_div(
+ dc_fixpt_add(c1,
+ (dc_fixpt_mul(c2, l_pow_m1))),
+ dc_fixpt_add(dc_fixpt_one,
+ (dc_fixpt_mul(c3, l_pow_m1))));
+ *out_y = dc_fixpt_pow(base, m2);
+}
+
+static void compute_de_pq(struct fixed31_32 in_x, struct fixed31_32 *out_y)
+{
+ /* consts for dePQ gamma formula. */
+ const struct fixed31_32 m1 =
+ dc_fixpt_from_fraction(159301758, 1000000000);
+ const struct fixed31_32 m2 =
+ dc_fixpt_from_fraction(7884375, 100000);
+ const struct fixed31_32 c1 =
+ dc_fixpt_from_fraction(8359375, 10000000);
+ const struct fixed31_32 c2 =
+ dc_fixpt_from_fraction(188515625, 10000000);
+ const struct fixed31_32 c3 =
+ dc_fixpt_from_fraction(186875, 10000);
+
+ struct fixed31_32 l_pow_m1;
+ struct fixed31_32 base, div;
+ struct fixed31_32 base2;
+
+
+ if (dc_fixpt_lt(in_x, dc_fixpt_zero))
+ in_x = dc_fixpt_zero;
+
+ l_pow_m1 = dc_fixpt_pow(in_x,
+ dc_fixpt_div(dc_fixpt_one, m2));
+ base = dc_fixpt_sub(l_pow_m1, c1);
+
+ div = dc_fixpt_sub(c2, dc_fixpt_mul(c3, l_pow_m1));
+
+ base2 = dc_fixpt_div(base, div);
+ // avoid complex numbers
+ if (dc_fixpt_lt(base2, dc_fixpt_zero))
+ base2 = dc_fixpt_sub(dc_fixpt_zero, base2);
+
+
+ *out_y = dc_fixpt_pow(base2, dc_fixpt_div(dc_fixpt_one, m1));
+
+}
+
+
+/* de gamma, non-linear to linear */
+static void compute_hlg_eotf(struct fixed31_32 in_x,
+ struct fixed31_32 *out_y,
+ uint32_t sdr_white_level, uint32_t max_luminance_nits)
+{
+ struct fixed31_32 a;
+ struct fixed31_32 b;
+ struct fixed31_32 c;
+ struct fixed31_32 threshold;
+ struct fixed31_32 x;
+
+ struct fixed31_32 scaling_factor =
+ dc_fixpt_from_fraction(max_luminance_nits, sdr_white_level);
+ a = dc_fixpt_from_fraction(17883277, 100000000);
+ b = dc_fixpt_from_fraction(28466892, 100000000);
+ c = dc_fixpt_from_fraction(55991073, 100000000);
+ threshold = dc_fixpt_from_fraction(1, 2);
+
+ if (dc_fixpt_lt(in_x, threshold)) {
+ x = dc_fixpt_mul(in_x, in_x);
+ x = dc_fixpt_div_int(x, 3);
+ } else {
+ x = dc_fixpt_sub(in_x, c);
+ x = dc_fixpt_div(x, a);
+ x = dc_fixpt_exp(x);
+ x = dc_fixpt_add(x, b);
+ x = dc_fixpt_div_int(x, 12);
+ }
+ *out_y = dc_fixpt_mul(x, scaling_factor);
+
+}
+
+/* re gamma, linear to non-linear */
+static void compute_hlg_oetf(struct fixed31_32 in_x, struct fixed31_32 *out_y,
+ uint32_t sdr_white_level, uint32_t max_luminance_nits)
+{
+ struct fixed31_32 a;
+ struct fixed31_32 b;
+ struct fixed31_32 c;
+ struct fixed31_32 threshold;
+ struct fixed31_32 x;
+
+ struct fixed31_32 scaling_factor =
+ dc_fixpt_from_fraction(sdr_white_level, max_luminance_nits);
+ a = dc_fixpt_from_fraction(17883277, 100000000);
+ b = dc_fixpt_from_fraction(28466892, 100000000);
+ c = dc_fixpt_from_fraction(55991073, 100000000);
+ threshold = dc_fixpt_from_fraction(1, 12);
+ x = dc_fixpt_mul(in_x, scaling_factor);
+
+
+ if (dc_fixpt_lt(x, threshold)) {
+ x = dc_fixpt_mul(x, dc_fixpt_from_fraction(3, 1));
+ *out_y = dc_fixpt_pow(x, dc_fixpt_half);
+ } else {
+ x = dc_fixpt_mul(x, dc_fixpt_from_fraction(12, 1));
+ x = dc_fixpt_sub(x, b);
+ x = dc_fixpt_log(x);
+ x = dc_fixpt_mul(a, x);
+ *out_y = dc_fixpt_add(x, c);
+ }
+}
+
+
+/* one-time pre-compute PQ values - only for sdr_white_level 80 */
+void precompute_pq(void)
+{
+ int i;
+ struct fixed31_32 x;
+ const struct hw_x_point *coord_x = coordinates_x + 32;
+ struct fixed31_32 scaling_factor =
+ dc_fixpt_from_fraction(80, 10000);
+
+ struct fixed31_32 *pq_table = mod_color_get_table(type_pq_table);
+
+ /* pow function has problems with arguments too small */
+ for (i = 0; i < 32; i++)
+ pq_table[i] = dc_fixpt_zero;
+
+ for (i = 32; i <= MAX_HW_POINTS; i++) {
+ x = dc_fixpt_mul(coord_x->x, scaling_factor);
+ compute_pq(x, &pq_table[i]);
+ ++coord_x;
+ }
+}
+
+/* one-time pre-compute dePQ values - only for max pixel value 125 FP16 */
+void precompute_de_pq(void)
+{
+ int i;
+ struct fixed31_32 y;
+ uint32_t begin_index, end_index;
+
+ struct fixed31_32 scaling_factor = dc_fixpt_from_int(125);
+ struct fixed31_32 *de_pq_table = mod_color_get_table(type_de_pq_table);
+ /* X points is 2^-25 to 2^7
+ * De-gamma X is 2^-12 to 2^0 – we are skipping first -12-(-25) = 13 regions
+ */
+ begin_index = 13 * NUM_PTS_IN_REGION;
+ end_index = begin_index + 12 * NUM_PTS_IN_REGION;
+
+ for (i = 0; i <= begin_index; i++)
+ de_pq_table[i] = dc_fixpt_zero;
+
+ for (; i <= end_index; i++) {
+ compute_de_pq(coordinates_x[i].x, &y);
+ de_pq_table[i] = dc_fixpt_mul(y, scaling_factor);
+ }
+
+ for (; i <= MAX_HW_POINTS; i++)
+ de_pq_table[i] = de_pq_table[i-1];
+}
+struct dividers {
+ struct fixed31_32 divider1;
+ struct fixed31_32 divider2;
+ struct fixed31_32 divider3;
+};
+
+
+static bool build_coefficients(struct gamma_coefficients *coefficients,
+ enum dc_transfer_func_predefined type)
+{
+
+ uint32_t i = 0;
+ uint32_t index = 0;
+ bool ret = true;
+
+ if (type == TRANSFER_FUNCTION_SRGB)
+ index = 0;
+ else if (type == TRANSFER_FUNCTION_BT709)
+ index = 1;
+ else if (type == TRANSFER_FUNCTION_GAMMA22)
+ index = 2;
+ else if (type == TRANSFER_FUNCTION_GAMMA24)
+ index = 3;
+ else if (type == TRANSFER_FUNCTION_GAMMA26)
+ index = 4;
+ else {
+ ret = false;
+ goto release;
+ }
+
+ do {
+ coefficients->a0[i] = dc_fixpt_from_fraction(
+ numerator01[index], 10000000);
+ coefficients->a1[i] = dc_fixpt_from_fraction(
+ numerator02[index], 1000);
+ coefficients->a2[i] = dc_fixpt_from_fraction(
+ numerator03[index], 1000);
+ coefficients->a3[i] = dc_fixpt_from_fraction(
+ numerator04[index], 1000);
+ coefficients->user_gamma[i] = dc_fixpt_from_fraction(
+ numerator05[index], 1000);
+
+ ++i;
+ } while (i != ARRAY_SIZE(coefficients->a0));
+release:
+ return ret;
+}
+
+static struct fixed31_32 translate_from_linear_space(
+ struct translate_from_linear_space_args *args)
+{
+ const struct fixed31_32 one = dc_fixpt_from_int(1);
+
+ struct fixed31_32 scratch_1, scratch_2;
+ struct calculate_buffer *cal_buffer = args->cal_buffer;
+
+ if (dc_fixpt_le(one, args->arg))
+ return one;
+
+ if (dc_fixpt_le(args->arg, dc_fixpt_neg(args->a0))) {
+ scratch_1 = dc_fixpt_add(one, args->a3);
+ scratch_2 = dc_fixpt_pow(
+ dc_fixpt_neg(args->arg),
+ dc_fixpt_recip(args->gamma));
+ scratch_1 = dc_fixpt_mul(scratch_1, scratch_2);
+ scratch_1 = dc_fixpt_sub(args->a2, scratch_1);
+
+ return scratch_1;
+ } else if (dc_fixpt_le(args->a0, args->arg)) {
+ if (cal_buffer->buffer_index == 0) {
+ cal_buffer->gamma_of_2 = dc_fixpt_pow(dc_fixpt_from_int(2),
+ dc_fixpt_recip(args->gamma));
+ }
+ scratch_1 = dc_fixpt_add(one, args->a3);
+ /* In the first region (first 16 points) and in the
+ * region delimited by START/END we calculate with
+ * full precision to avoid error accumulation.
+ */
+ if ((cal_buffer->buffer_index >= PRECISE_LUT_REGION_START &&
+ cal_buffer->buffer_index <= PRECISE_LUT_REGION_END) ||
+ (cal_buffer->buffer_index < 16))
+ scratch_2 = dc_fixpt_pow(args->arg,
+ dc_fixpt_recip(args->gamma));
+ else
+ scratch_2 = dc_fixpt_mul(cal_buffer->gamma_of_2,
+ cal_buffer->buffer[cal_buffer->buffer_index%16]);
+
+ if (cal_buffer->buffer_index != -1) {
+ cal_buffer->buffer[cal_buffer->buffer_index%16] = scratch_2;
+ cal_buffer->buffer_index++;
+ }
+
+ scratch_1 = dc_fixpt_mul(scratch_1, scratch_2);
+ scratch_1 = dc_fixpt_sub(scratch_1, args->a2);
+
+ return scratch_1;
+ }
+ else
+ return dc_fixpt_mul(args->arg, args->a1);
+}
+
+
+static struct fixed31_32 translate_from_linear_space_long(
+ struct translate_from_linear_space_args *args)
+{
+ const struct fixed31_32 one = dc_fixpt_from_int(1);
+
+ if (dc_fixpt_lt(one, args->arg))
+ return one;
+
+ if (dc_fixpt_le(args->arg, dc_fixpt_neg(args->a0)))
+ return dc_fixpt_sub(
+ args->a2,
+ dc_fixpt_mul(
+ dc_fixpt_add(
+ one,
+ args->a3),
+ dc_fixpt_pow(
+ dc_fixpt_neg(args->arg),
+ dc_fixpt_recip(args->gamma))));
+ else if (dc_fixpt_le(args->a0, args->arg))
+ return dc_fixpt_sub(
+ dc_fixpt_mul(
+ dc_fixpt_add(
+ one,
+ args->a3),
+ dc_fixpt_pow(
+ args->arg,
+ dc_fixpt_recip(args->gamma))),
+ args->a2);
+ else
+ return dc_fixpt_mul(args->arg, args->a1);
+}
+
+static struct fixed31_32 calculate_gamma22(struct fixed31_32 arg, bool use_eetf, struct calculate_buffer *cal_buffer)
+{
+ struct fixed31_32 gamma = dc_fixpt_from_fraction(22, 10);
+ struct translate_from_linear_space_args scratch_gamma_args;
+
+ scratch_gamma_args.arg = arg;
+ scratch_gamma_args.a0 = dc_fixpt_zero;
+ scratch_gamma_args.a1 = dc_fixpt_zero;
+ scratch_gamma_args.a2 = dc_fixpt_zero;
+ scratch_gamma_args.a3 = dc_fixpt_zero;
+ scratch_gamma_args.cal_buffer = cal_buffer;
+ scratch_gamma_args.gamma = gamma;
+
+ if (use_eetf)
+ return translate_from_linear_space_long(&scratch_gamma_args);
+
+ return translate_from_linear_space(&scratch_gamma_args);
+}
+
+
+static struct fixed31_32 translate_to_linear_space(
+ struct fixed31_32 arg,
+ struct fixed31_32 a0,
+ struct fixed31_32 a1,
+ struct fixed31_32 a2,
+ struct fixed31_32 a3,
+ struct fixed31_32 gamma)
+{
+ struct fixed31_32 linear;
+
+ a0 = dc_fixpt_mul(a0, a1);
+ if (dc_fixpt_le(arg, dc_fixpt_neg(a0)))
+
+ linear = dc_fixpt_neg(
+ dc_fixpt_pow(
+ dc_fixpt_div(
+ dc_fixpt_sub(a2, arg),
+ dc_fixpt_add(
+ dc_fixpt_one, a3)), gamma));
+
+ else if (dc_fixpt_le(dc_fixpt_neg(a0), arg) &&
+ dc_fixpt_le(arg, a0))
+ linear = dc_fixpt_div(arg, a1);
+ else
+ linear = dc_fixpt_pow(
+ dc_fixpt_div(
+ dc_fixpt_add(a2, arg),
+ dc_fixpt_add(
+ dc_fixpt_one, a3)), gamma);
+
+ return linear;
+}
+
+static struct fixed31_32 translate_from_linear_space_ex(
+ struct fixed31_32 arg,
+ struct gamma_coefficients *coeff,
+ uint32_t color_index,
+ struct calculate_buffer *cal_buffer)
+{
+ struct translate_from_linear_space_args scratch_gamma_args;
+
+ scratch_gamma_args.arg = arg;
+ scratch_gamma_args.a0 = coeff->a0[color_index];
+ scratch_gamma_args.a1 = coeff->a1[color_index];
+ scratch_gamma_args.a2 = coeff->a2[color_index];
+ scratch_gamma_args.a3 = coeff->a3[color_index];
+ scratch_gamma_args.gamma = coeff->user_gamma[color_index];
+ scratch_gamma_args.cal_buffer = cal_buffer;
+
+ return translate_from_linear_space(&scratch_gamma_args);
+}
+
+
+static inline struct fixed31_32 translate_to_linear_space_ex(
+ struct fixed31_32 arg,
+ struct gamma_coefficients *coeff,
+ uint32_t color_index)
+{
+ return translate_to_linear_space(
+ arg,
+ coeff->a0[color_index],
+ coeff->a1[color_index],
+ coeff->a2[color_index],
+ coeff->a3[color_index],
+ coeff->user_gamma[color_index]);
+}
+
+
+static bool find_software_points(
+ const struct dc_gamma *ramp,
+ const struct gamma_pixel *axis_x,
+ struct fixed31_32 hw_point,
+ enum channel_name channel,
+ uint32_t *index_to_start,
+ uint32_t *index_left,
+ uint32_t *index_right,
+ enum hw_point_position *pos)
+{
+ const uint32_t max_number = ramp->num_entries + 3;
+
+ struct fixed31_32 left, right;
+
+ uint32_t i = *index_to_start;
+
+ while (i < max_number) {
+ if (channel == CHANNEL_NAME_RED) {
+ left = axis_x[i].r;
+
+ if (i < max_number - 1)
+ right = axis_x[i + 1].r;
+ else
+ right = axis_x[max_number - 1].r;
+ } else if (channel == CHANNEL_NAME_GREEN) {
+ left = axis_x[i].g;
+
+ if (i < max_number - 1)
+ right = axis_x[i + 1].g;
+ else
+ right = axis_x[max_number - 1].g;
+ } else {
+ left = axis_x[i].b;
+
+ if (i < max_number - 1)
+ right = axis_x[i + 1].b;
+ else
+ right = axis_x[max_number - 1].b;
+ }
+
+ if (dc_fixpt_le(left, hw_point) &&
+ dc_fixpt_le(hw_point, right)) {
+ *index_to_start = i;
+ *index_left = i;
+
+ if (i < max_number - 1)
+ *index_right = i + 1;
+ else
+ *index_right = max_number - 1;
+
+ *pos = HW_POINT_POSITION_MIDDLE;
+
+ return true;
+ } else if ((i == *index_to_start) &&
+ dc_fixpt_le(hw_point, left)) {
+ *index_to_start = i;
+ *index_left = i;
+ *index_right = i;
+
+ *pos = HW_POINT_POSITION_LEFT;
+
+ return true;
+ } else if ((i == max_number - 1) &&
+ dc_fixpt_le(right, hw_point)) {
+ *index_to_start = i;
+ *index_left = i;
+ *index_right = i;
+
+ *pos = HW_POINT_POSITION_RIGHT;
+
+ return true;
+ }
+
+ ++i;
+ }
+
+ return false;
+}
+
+static bool build_custom_gamma_mapping_coefficients_worker(
+ const struct dc_gamma *ramp,
+ struct pixel_gamma_point *coeff,
+ const struct hw_x_point *coordinates_x,
+ const struct gamma_pixel *axis_x,
+ enum channel_name channel,
+ uint32_t number_of_points)
+{
+ uint32_t i = 0;
+
+ while (i <= number_of_points) {
+ struct fixed31_32 coord_x;
+
+ uint32_t index_to_start = 0;
+ uint32_t index_left = 0;
+ uint32_t index_right = 0;
+
+ enum hw_point_position hw_pos;
+
+ struct gamma_point *point;
+
+ struct fixed31_32 left_pos;
+ struct fixed31_32 right_pos;
+
+ if (channel == CHANNEL_NAME_RED)
+ coord_x = coordinates_x[i].regamma_y_red;
+ else if (channel == CHANNEL_NAME_GREEN)
+ coord_x = coordinates_x[i].regamma_y_green;
+ else
+ coord_x = coordinates_x[i].regamma_y_blue;
+
+ if (!find_software_points(
+ ramp, axis_x, coord_x, channel,
+ &index_to_start, &index_left, &index_right, &hw_pos)) {
+ BREAK_TO_DEBUGGER();
+ return false;
+ }
+
+ if (index_left >= ramp->num_entries + 3) {
+ BREAK_TO_DEBUGGER();
+ return false;
+ }
+
+ if (index_right >= ramp->num_entries + 3) {
+ BREAK_TO_DEBUGGER();
+ return false;
+ }
+
+ if (channel == CHANNEL_NAME_RED) {
+ point = &coeff[i].r;
+
+ left_pos = axis_x[index_left].r;
+ right_pos = axis_x[index_right].r;
+ } else if (channel == CHANNEL_NAME_GREEN) {
+ point = &coeff[i].g;
+
+ left_pos = axis_x[index_left].g;
+ right_pos = axis_x[index_right].g;
+ } else {
+ point = &coeff[i].b;
+
+ left_pos = axis_x[index_left].b;
+ right_pos = axis_x[index_right].b;
+ }
+
+ if (hw_pos == HW_POINT_POSITION_MIDDLE)
+ point->coeff = dc_fixpt_div(
+ dc_fixpt_sub(
+ coord_x,
+ left_pos),
+ dc_fixpt_sub(
+ right_pos,
+ left_pos));
+ else if (hw_pos == HW_POINT_POSITION_LEFT)
+ point->coeff = dc_fixpt_zero;
+ else if (hw_pos == HW_POINT_POSITION_RIGHT)
+ point->coeff = dc_fixpt_from_int(2);
+ else {
+ BREAK_TO_DEBUGGER();
+ return false;
+ }
+
+ point->left_index = index_left;
+ point->right_index = index_right;
+ point->pos = hw_pos;
+
+ ++i;
+ }
+
+ return true;
+}
+
+static struct fixed31_32 calculate_mapped_value(
+ struct pwl_float_data *rgb,
+ const struct pixel_gamma_point *coeff,
+ enum channel_name channel,
+ uint32_t max_index)
+{
+ const struct gamma_point *point;
+
+ struct fixed31_32 result;
+
+ if (channel == CHANNEL_NAME_RED)
+ point = &coeff->r;
+ else if (channel == CHANNEL_NAME_GREEN)
+ point = &coeff->g;
+ else
+ point = &coeff->b;
+
+ if ((point->left_index < 0) || (point->left_index > max_index)) {
+ BREAK_TO_DEBUGGER();
+ return dc_fixpt_zero;
+ }
+
+ if ((point->right_index < 0) || (point->right_index > max_index)) {
+ BREAK_TO_DEBUGGER();
+ return dc_fixpt_zero;
+ }
+
+ if (point->pos == HW_POINT_POSITION_MIDDLE)
+ if (channel == CHANNEL_NAME_RED)
+ result = dc_fixpt_add(
+ dc_fixpt_mul(
+ point->coeff,
+ dc_fixpt_sub(
+ rgb[point->right_index].r,
+ rgb[point->left_index].r)),
+ rgb[point->left_index].r);
+ else if (channel == CHANNEL_NAME_GREEN)
+ result = dc_fixpt_add(
+ dc_fixpt_mul(
+ point->coeff,
+ dc_fixpt_sub(
+ rgb[point->right_index].g,
+ rgb[point->left_index].g)),
+ rgb[point->left_index].g);
+ else
+ result = dc_fixpt_add(
+ dc_fixpt_mul(
+ point->coeff,
+ dc_fixpt_sub(
+ rgb[point->right_index].b,
+ rgb[point->left_index].b)),
+ rgb[point->left_index].b);
+ else if (point->pos == HW_POINT_POSITION_LEFT) {
+ BREAK_TO_DEBUGGER();
+ result = dc_fixpt_zero;
+ } else {
+ result = dc_fixpt_one;
+ }
+
+ return result;
+}
+
+static void build_pq(struct pwl_float_data_ex *rgb_regamma,
+ uint32_t hw_points_num,
+ const struct hw_x_point *coordinate_x,
+ uint32_t sdr_white_level)
+{
+ uint32_t i, start_index;
+
+ struct pwl_float_data_ex *rgb = rgb_regamma;
+ const struct hw_x_point *coord_x = coordinate_x;
+ struct fixed31_32 x;
+ struct fixed31_32 output;
+ struct fixed31_32 scaling_factor =
+ dc_fixpt_from_fraction(sdr_white_level, 10000);
+ struct fixed31_32 *pq_table = mod_color_get_table(type_pq_table);
+
+ if (!mod_color_is_table_init(type_pq_table) && sdr_white_level == 80) {
+ precompute_pq();
+ mod_color_set_table_init_state(type_pq_table, true);
+ }
+
+ /* TODO: start index is from segment 2^-24, skipping first segment
+ * due to x values too small for power calculations
+ */
+ start_index = 32;
+ rgb += start_index;
+ coord_x += start_index;
+
+ for (i = start_index; i <= hw_points_num; i++) {
+ /* Multiply 0.008 as regamma is 0-1 and FP16 input is 0-125.
+ * FP 1.0 = 80nits
+ */
+ if (sdr_white_level == 80) {
+ output = pq_table[i];
+ } else {
+ x = dc_fixpt_mul(coord_x->x, scaling_factor);
+ compute_pq(x, &output);
+ }
+
+ /* should really not happen? */
+ if (dc_fixpt_lt(output, dc_fixpt_zero))
+ output = dc_fixpt_zero;
+ else if (dc_fixpt_lt(dc_fixpt_one, output))
+ output = dc_fixpt_one;
+
+ rgb->r = output;
+ rgb->g = output;
+ rgb->b = output;
+
+ ++coord_x;
+ ++rgb;
+ }
+}
+
+static void build_de_pq(struct pwl_float_data_ex *de_pq,
+ uint32_t hw_points_num,
+ const struct hw_x_point *coordinate_x)
+{
+ uint32_t i;
+ struct fixed31_32 output;
+ struct fixed31_32 *de_pq_table = mod_color_get_table(type_de_pq_table);
+ struct fixed31_32 scaling_factor = dc_fixpt_from_int(125);
+
+ if (!mod_color_is_table_init(type_de_pq_table)) {
+ precompute_de_pq();
+ mod_color_set_table_init_state(type_de_pq_table, true);
+ }
+
+
+ for (i = 0; i <= hw_points_num; i++) {
+ output = de_pq_table[i];
+ /* should really not happen? */
+ if (dc_fixpt_lt(output, dc_fixpt_zero))
+ output = dc_fixpt_zero;
+ else if (dc_fixpt_lt(scaling_factor, output))
+ output = scaling_factor;
+ de_pq[i].r = output;
+ de_pq[i].g = output;
+ de_pq[i].b = output;
+ }
+}
+
+static bool build_regamma(struct pwl_float_data_ex *rgb_regamma,
+ uint32_t hw_points_num,
+ const struct hw_x_point *coordinate_x,
+ enum dc_transfer_func_predefined type,
+ struct calculate_buffer *cal_buffer)
+{
+ uint32_t i;
+ bool ret = false;
+
+ struct gamma_coefficients *coeff;
+ struct pwl_float_data_ex *rgb = rgb_regamma;
+ const struct hw_x_point *coord_x = coordinate_x;
+
+ coeff = kvzalloc(sizeof(*coeff), GFP_KERNEL);
+ if (!coeff)
+ goto release;
+
+ if (!build_coefficients(coeff, type))
+ goto release;
+
+ memset(cal_buffer->buffer, 0, NUM_PTS_IN_REGION * sizeof(struct fixed31_32));
+ cal_buffer->buffer_index = 0; // see variable definition for more info
+
+ i = 0;
+ while (i <= hw_points_num) {
+ /* TODO use y vs r,g,b */
+ rgb->r = translate_from_linear_space_ex(
+ coord_x->x, coeff, 0, cal_buffer);
+ rgb->g = rgb->r;
+ rgb->b = rgb->r;
+ ++coord_x;
+ ++rgb;
+ ++i;
+ }
+ cal_buffer->buffer_index = -1;
+ ret = true;
+release:
+ kvfree(coeff);
+ return ret;
+}
+
+static void hermite_spline_eetf(struct fixed31_32 input_x,
+ struct fixed31_32 max_display,
+ struct fixed31_32 min_display,
+ struct fixed31_32 max_content,
+ struct fixed31_32 *out_x)
+{
+ struct fixed31_32 min_lum_pq;
+ struct fixed31_32 max_lum_pq;
+ struct fixed31_32 max_content_pq;
+ struct fixed31_32 ks;
+ struct fixed31_32 E1;
+ struct fixed31_32 E2;
+ struct fixed31_32 E3;
+ struct fixed31_32 t;
+ struct fixed31_32 t2;
+ struct fixed31_32 t3;
+ struct fixed31_32 two;
+ struct fixed31_32 three;
+ struct fixed31_32 temp1;
+ struct fixed31_32 temp2;
+ struct fixed31_32 a = dc_fixpt_from_fraction(15, 10);
+ struct fixed31_32 b = dc_fixpt_from_fraction(5, 10);
+ struct fixed31_32 epsilon = dc_fixpt_from_fraction(1, 1000000); // dc_fixpt_epsilon is a bit too small
+
+ if (dc_fixpt_eq(max_content, dc_fixpt_zero)) {
+ *out_x = dc_fixpt_zero;
+ return;
+ }
+
+ compute_pq(input_x, &E1);
+ compute_pq(dc_fixpt_div(min_display, max_content), &min_lum_pq);
+ compute_pq(dc_fixpt_div(max_display, max_content), &max_lum_pq);
+ compute_pq(dc_fixpt_one, &max_content_pq); // always 1? DAL2 code is weird
+ a = dc_fixpt_div(dc_fixpt_add(dc_fixpt_one, b), max_content_pq); // (1+b)/maxContent
+ ks = dc_fixpt_sub(dc_fixpt_mul(a, max_lum_pq), b); // a * max_lum_pq - b
+
+ if (dc_fixpt_lt(E1, ks))
+ E2 = E1;
+ else if (dc_fixpt_le(ks, E1) && dc_fixpt_le(E1, dc_fixpt_one)) {
+ if (dc_fixpt_lt(epsilon, dc_fixpt_sub(dc_fixpt_one, ks)))
+ // t = (E1 - ks) / (1 - ks)
+ t = dc_fixpt_div(dc_fixpt_sub(E1, ks),
+ dc_fixpt_sub(dc_fixpt_one, ks));
+ else
+ t = dc_fixpt_zero;
+
+ two = dc_fixpt_from_int(2);
+ three = dc_fixpt_from_int(3);
+
+ t2 = dc_fixpt_mul(t, t);
+ t3 = dc_fixpt_mul(t2, t);
+ temp1 = dc_fixpt_mul(two, t3);
+ temp2 = dc_fixpt_mul(three, t2);
+
+ // (2t^3 - 3t^2 + 1) * ks
+ E2 = dc_fixpt_mul(ks, dc_fixpt_add(dc_fixpt_one,
+ dc_fixpt_sub(temp1, temp2)));
+
+ // (-2t^3 + 3t^2) * max_lum_pq
+ E2 = dc_fixpt_add(E2, dc_fixpt_mul(max_lum_pq,
+ dc_fixpt_sub(temp2, temp1)));
+
+ temp1 = dc_fixpt_mul(two, t2);
+ temp2 = dc_fixpt_sub(dc_fixpt_one, ks);
+
+ // (t^3 - 2t^2 + t) * (1-ks)
+ E2 = dc_fixpt_add(E2, dc_fixpt_mul(temp2,
+ dc_fixpt_add(t, dc_fixpt_sub(t3, temp1))));
+ } else
+ E2 = dc_fixpt_one;
+
+ temp1 = dc_fixpt_sub(dc_fixpt_one, E2);
+ temp2 = dc_fixpt_mul(temp1, temp1);
+ temp2 = dc_fixpt_mul(temp2, temp2);
+ // temp2 = (1-E2)^4
+
+ E3 = dc_fixpt_add(E2, dc_fixpt_mul(min_lum_pq, temp2));
+ compute_de_pq(E3, out_x);
+
+ *out_x = dc_fixpt_div(*out_x, dc_fixpt_div(max_display, max_content));
+}
+
+static bool build_freesync_hdr(struct pwl_float_data_ex *rgb_regamma,
+ uint32_t hw_points_num,
+ const struct hw_x_point *coordinate_x,
+ const struct hdr_tm_params *fs_params,
+ struct calculate_buffer *cal_buffer)
+{
+ uint32_t i;
+ struct pwl_float_data_ex *rgb = rgb_regamma;
+ const struct hw_x_point *coord_x = coordinate_x;
+ const struct hw_x_point *prv_coord_x = coord_x;
+ struct fixed31_32 scaledX = dc_fixpt_zero;
+ struct fixed31_32 scaledX1 = dc_fixpt_zero;
+ struct fixed31_32 max_display;
+ struct fixed31_32 min_display;
+ struct fixed31_32 max_content;
+ struct fixed31_32 clip = dc_fixpt_one;
+ struct fixed31_32 output;
+ bool use_eetf = false;
+ bool is_clipped = false;
+ struct fixed31_32 sdr_white_level;
+ struct fixed31_32 coordX_diff;
+ struct fixed31_32 out_dist_max;
+ struct fixed31_32 bright_norm;
+
+ if (fs_params->max_content == 0 ||
+ fs_params->max_display == 0)
+ return false;
+
+ max_display = dc_fixpt_from_int(fs_params->max_display);
+ min_display = dc_fixpt_from_fraction(fs_params->min_display, 10000);
+ max_content = dc_fixpt_from_int(fs_params->max_content);
+ sdr_white_level = dc_fixpt_from_int(fs_params->sdr_white_level);
+
+ if (fs_params->min_display > 1000) // cap at 0.1 at the bottom
+ min_display = dc_fixpt_from_fraction(1, 10);
+ if (fs_params->max_display < 100) // cap at 100 at the top
+ max_display = dc_fixpt_from_int(100);
+
+ // only max used, we don't adjust min luminance
+ if (fs_params->max_content > fs_params->max_display)
+ use_eetf = true;
+ else
+ max_content = max_display;
+
+ if (!use_eetf)
+ cal_buffer->buffer_index = 0; // see var definition for more info
+ rgb += 32; // first 32 points have problems with fixed point, too small
+ coord_x += 32;
+
+ for (i = 32; i <= hw_points_num; i++) {
+ if (!is_clipped) {
+ if (use_eetf) {
+ /* max content is equal 1 */
+ scaledX1 = dc_fixpt_div(coord_x->x,
+ dc_fixpt_div(max_content, sdr_white_level));
+ hermite_spline_eetf(scaledX1, max_display, min_display,
+ max_content, &scaledX);
+ } else
+ scaledX = dc_fixpt_div(coord_x->x,
+ dc_fixpt_div(max_display, sdr_white_level));
+
+ if (dc_fixpt_lt(scaledX, clip)) {
+ if (dc_fixpt_lt(scaledX, dc_fixpt_zero))
+ output = dc_fixpt_zero;
+ else
+ output = calculate_gamma22(scaledX, use_eetf, cal_buffer);
+
+ // Ensure output respects reasonable boundaries
+ output = dc_fixpt_clamp(output, dc_fixpt_zero, dc_fixpt_one);
+
+ rgb->r = output;
+ rgb->g = output;
+ rgb->b = output;
+ } else {
+ /* Here clipping happens for the first time */
+ is_clipped = true;
+
+ /* The next few lines implement the equation
+ * output = prev_out +
+ * (coord_x->x - prev_coord_x->x) *
+ * (1.0 - prev_out) /
+ * (maxDisp/sdr_white_level - prevCoordX)
+ *
+ * This equation interpolates the first point
+ * after max_display/80 so that the slope from
+ * hw_x_before_max and hw_x_after_max is such
+ * that we hit Y=1.0 at max_display/80.
+ */
+
+ coordX_diff = dc_fixpt_sub(coord_x->x, prv_coord_x->x);
+ out_dist_max = dc_fixpt_sub(dc_fixpt_one, output);
+ bright_norm = dc_fixpt_div(max_display, sdr_white_level);
+
+ output = dc_fixpt_add(
+ output, dc_fixpt_mul(
+ coordX_diff, dc_fixpt_div(
+ out_dist_max,
+ dc_fixpt_sub(bright_norm, prv_coord_x->x)
+ )
+ )
+ );
+
+ /* Relaxing the maximum boundary to 1.07 (instead of 1.0)
+ * because the last point in the curve must be such that
+ * the maximum display pixel brightness interpolates to
+ * exactly 1.0. The worst case scenario was calculated
+ * around 1.057, so the limit of 1.07 leaves some safety
+ * margin.
+ */
+ output = dc_fixpt_clamp(output, dc_fixpt_zero,
+ dc_fixpt_from_fraction(107, 100));
+
+ rgb->r = output;
+ rgb->g = output;
+ rgb->b = output;
+ }
+ } else {
+ /* Every other clipping after the first
+ * one is dealt with here
+ */
+ rgb->r = clip;
+ rgb->g = clip;
+ rgb->b = clip;
+ }
+
+ prv_coord_x = coord_x;
+ ++coord_x;
+ ++rgb;
+ }
+ cal_buffer->buffer_index = -1;
+
+ return true;
+}
+
+static bool build_degamma(struct pwl_float_data_ex *curve,
+ uint32_t hw_points_num,
+ const struct hw_x_point *coordinate_x, enum dc_transfer_func_predefined type)
+{
+ uint32_t i;
+ struct gamma_coefficients coeff;
+ uint32_t begin_index, end_index;
+ bool ret = false;
+
+ if (!build_coefficients(&coeff, type))
+ goto release;
+
+ i = 0;
+
+ /* X points is 2^-25 to 2^7
+ * De-gamma X is 2^-12 to 2^0 – we are skipping first -12-(-25) = 13 regions
+ */
+ begin_index = 13 * NUM_PTS_IN_REGION;
+ end_index = begin_index + 12 * NUM_PTS_IN_REGION;
+
+ while (i != begin_index) {
+ curve[i].r = dc_fixpt_zero;
+ curve[i].g = dc_fixpt_zero;
+ curve[i].b = dc_fixpt_zero;
+ i++;
+ }
+
+ while (i != end_index) {
+ curve[i].r = translate_to_linear_space_ex(
+ coordinate_x[i].x, &coeff, 0);
+ curve[i].g = curve[i].r;
+ curve[i].b = curve[i].r;
+ i++;
+ }
+ while (i != hw_points_num + 1) {
+ curve[i].r = dc_fixpt_one;
+ curve[i].g = dc_fixpt_one;
+ curve[i].b = dc_fixpt_one;
+ i++;
+ }
+ ret = true;
+release:
+ return ret;
+}
+
+
+
+
+
+static void build_hlg_degamma(struct pwl_float_data_ex *degamma,
+ uint32_t hw_points_num,
+ const struct hw_x_point *coordinate_x,
+ uint32_t sdr_white_level, uint32_t max_luminance_nits)
+{
+ uint32_t i;
+
+ struct pwl_float_data_ex *rgb = degamma;
+ const struct hw_x_point *coord_x = coordinate_x;
+
+ i = 0;
+ // check when i == 434
+ while (i != hw_points_num + 1) {
+ compute_hlg_eotf(coord_x->x, &rgb->r, sdr_white_level, max_luminance_nits);
+ rgb->g = rgb->r;
+ rgb->b = rgb->r;
+ ++coord_x;
+ ++rgb;
+ ++i;
+ }
+}
+
+
+static void build_hlg_regamma(struct pwl_float_data_ex *regamma,
+ uint32_t hw_points_num,
+ const struct hw_x_point *coordinate_x,
+ uint32_t sdr_white_level, uint32_t max_luminance_nits)
+{
+ uint32_t i;
+
+ struct pwl_float_data_ex *rgb = regamma;
+ const struct hw_x_point *coord_x = coordinate_x;
+
+ i = 0;
+
+ // when i == 471
+ while (i != hw_points_num + 1) {
+ compute_hlg_oetf(coord_x->x, &rgb->r, sdr_white_level, max_luminance_nits);
+ rgb->g = rgb->r;
+ rgb->b = rgb->r;
+ ++coord_x;
+ ++rgb;
+ ++i;
+ }
+}
+
+static void scale_gamma(struct pwl_float_data *pwl_rgb,
+ const struct dc_gamma *ramp,
+ struct dividers dividers)
+{
+ const struct fixed31_32 max_driver = dc_fixpt_from_int(0xFFFF);
+ const struct fixed31_32 max_os = dc_fixpt_from_int(0xFF00);
+ struct fixed31_32 scaler = max_os;
+ uint32_t i;
+ struct pwl_float_data *rgb = pwl_rgb;
+ struct pwl_float_data *rgb_last = rgb + ramp->num_entries - 1;
+
+ i = 0;
+
+ do {
+ if (dc_fixpt_lt(max_os, ramp->entries.red[i]) ||
+ dc_fixpt_lt(max_os, ramp->entries.green[i]) ||
+ dc_fixpt_lt(max_os, ramp->entries.blue[i])) {
+ scaler = max_driver;
+ break;
+ }
+ ++i;
+ } while (i != ramp->num_entries);
+
+ i = 0;
+
+ do {
+ rgb->r = dc_fixpt_div(
+ ramp->entries.red[i], scaler);
+ rgb->g = dc_fixpt_div(
+ ramp->entries.green[i], scaler);
+ rgb->b = dc_fixpt_div(
+ ramp->entries.blue[i], scaler);
+
+ ++rgb;
+ ++i;
+ } while (i != ramp->num_entries);
+
+ rgb->r = dc_fixpt_mul(rgb_last->r,
+ dividers.divider1);
+ rgb->g = dc_fixpt_mul(rgb_last->g,
+ dividers.divider1);
+ rgb->b = dc_fixpt_mul(rgb_last->b,
+ dividers.divider1);
+
+ ++rgb;
+
+ rgb->r = dc_fixpt_mul(rgb_last->r,
+ dividers.divider2);
+ rgb->g = dc_fixpt_mul(rgb_last->g,
+ dividers.divider2);
+ rgb->b = dc_fixpt_mul(rgb_last->b,
+ dividers.divider2);
+
+ ++rgb;
+
+ rgb->r = dc_fixpt_mul(rgb_last->r,
+ dividers.divider3);
+ rgb->g = dc_fixpt_mul(rgb_last->g,
+ dividers.divider3);
+ rgb->b = dc_fixpt_mul(rgb_last->b,
+ dividers.divider3);
+}
+
+static void scale_gamma_dx(struct pwl_float_data *pwl_rgb,
+ const struct dc_gamma *ramp,
+ struct dividers dividers)
+{
+ uint32_t i;
+ struct fixed31_32 min = dc_fixpt_zero;
+ struct fixed31_32 max = dc_fixpt_one;
+
+ struct fixed31_32 delta = dc_fixpt_zero;
+ struct fixed31_32 offset = dc_fixpt_zero;
+
+ for (i = 0 ; i < ramp->num_entries; i++) {
+ if (dc_fixpt_lt(ramp->entries.red[i], min))
+ min = ramp->entries.red[i];
+
+ if (dc_fixpt_lt(ramp->entries.green[i], min))
+ min = ramp->entries.green[i];
+
+ if (dc_fixpt_lt(ramp->entries.blue[i], min))
+ min = ramp->entries.blue[i];
+
+ if (dc_fixpt_lt(max, ramp->entries.red[i]))
+ max = ramp->entries.red[i];
+
+ if (dc_fixpt_lt(max, ramp->entries.green[i]))
+ max = ramp->entries.green[i];
+
+ if (dc_fixpt_lt(max, ramp->entries.blue[i]))
+ max = ramp->entries.blue[i];
+ }
+
+ if (dc_fixpt_lt(min, dc_fixpt_zero))
+ delta = dc_fixpt_neg(min);
+
+ offset = dc_fixpt_add(min, max);
+
+ for (i = 0 ; i < ramp->num_entries; i++) {
+ pwl_rgb[i].r = dc_fixpt_div(
+ dc_fixpt_add(
+ ramp->entries.red[i], delta), offset);
+ pwl_rgb[i].g = dc_fixpt_div(
+ dc_fixpt_add(
+ ramp->entries.green[i], delta), offset);
+ pwl_rgb[i].b = dc_fixpt_div(
+ dc_fixpt_add(
+ ramp->entries.blue[i], delta), offset);
+
+ }
+
+ pwl_rgb[i].r = dc_fixpt_sub(dc_fixpt_mul_int(
+ pwl_rgb[i-1].r, 2), pwl_rgb[i-2].r);
+ pwl_rgb[i].g = dc_fixpt_sub(dc_fixpt_mul_int(
+ pwl_rgb[i-1].g, 2), pwl_rgb[i-2].g);
+ pwl_rgb[i].b = dc_fixpt_sub(dc_fixpt_mul_int(
+ pwl_rgb[i-1].b, 2), pwl_rgb[i-2].b);
+ ++i;
+ pwl_rgb[i].r = dc_fixpt_sub(dc_fixpt_mul_int(
+ pwl_rgb[i-1].r, 2), pwl_rgb[i-2].r);
+ pwl_rgb[i].g = dc_fixpt_sub(dc_fixpt_mul_int(
+ pwl_rgb[i-1].g, 2), pwl_rgb[i-2].g);
+ pwl_rgb[i].b = dc_fixpt_sub(dc_fixpt_mul_int(
+ pwl_rgb[i-1].b, 2), pwl_rgb[i-2].b);
+}
+
+/* todo: all these scale_gamma functions are inherently the same but
+ * take different structures as params or different format for ramp
+ * values. We could probably implement it in a more generic fashion
+ */
+static void scale_user_regamma_ramp(struct pwl_float_data *pwl_rgb,
+ const struct regamma_ramp *ramp,
+ struct dividers dividers)
+{
+ unsigned short max_driver = 0xFFFF;
+ unsigned short max_os = 0xFF00;
+ unsigned short scaler = max_os;
+ uint32_t i;
+ struct pwl_float_data *rgb = pwl_rgb;
+ struct pwl_float_data *rgb_last = rgb + GAMMA_RGB_256_ENTRIES - 1;
+
+ i = 0;
+ do {
+ if (ramp->gamma[i] > max_os ||
+ ramp->gamma[i + 256] > max_os ||
+ ramp->gamma[i + 512] > max_os) {
+ scaler = max_driver;
+ break;
+ }
+ i++;
+ } while (i != GAMMA_RGB_256_ENTRIES);
+
+ i = 0;
+ do {
+ rgb->r = dc_fixpt_from_fraction(
+ ramp->gamma[i], scaler);
+ rgb->g = dc_fixpt_from_fraction(
+ ramp->gamma[i + 256], scaler);
+ rgb->b = dc_fixpt_from_fraction(
+ ramp->gamma[i + 512], scaler);
+
+ ++rgb;
+ ++i;
+ } while (i != GAMMA_RGB_256_ENTRIES);
+
+ rgb->r = dc_fixpt_mul(rgb_last->r,
+ dividers.divider1);
+ rgb->g = dc_fixpt_mul(rgb_last->g,
+ dividers.divider1);
+ rgb->b = dc_fixpt_mul(rgb_last->b,
+ dividers.divider1);
+
+ ++rgb;
+
+ rgb->r = dc_fixpt_mul(rgb_last->r,
+ dividers.divider2);
+ rgb->g = dc_fixpt_mul(rgb_last->g,
+ dividers.divider2);
+ rgb->b = dc_fixpt_mul(rgb_last->b,
+ dividers.divider2);
+
+ ++rgb;
+
+ rgb->r = dc_fixpt_mul(rgb_last->r,
+ dividers.divider3);
+ rgb->g = dc_fixpt_mul(rgb_last->g,
+ dividers.divider3);
+ rgb->b = dc_fixpt_mul(rgb_last->b,
+ dividers.divider3);
+}
+
+/*
+ * RS3+ color transform DDI - 1D LUT adjustment is composed with regamma here
+ * Input is evenly distributed in the output color space as specified in
+ * SetTimings
+ *
+ * Interpolation details:
+ * 1D LUT has 4096 values which give curve correction in 0-1 float range
+ * for evenly spaced points in 0-1 range. lut1D[index] gives correction
+ * for index/4095.
+ * First we find index for which:
+ * index/4095 < regamma_y < (index+1)/4095 =>
+ * index < 4095*regamma_y < index + 1
+ * norm_y = 4095*regamma_y, and index is just truncating to nearest integer
+ * lut1 = lut1D[index], lut2 = lut1D[index+1]
+ *
+ * adjustedY is then linearly interpolating regamma Y between lut1 and lut2
+ *
+ * Custom degamma on Linux uses the same interpolation math, so is handled here
+ */
+static void apply_lut_1d(
+ const struct dc_gamma *ramp,
+ uint32_t num_hw_points,
+ struct dc_transfer_func_distributed_points *tf_pts)
+{
+ int i = 0;
+ int color = 0;
+ struct fixed31_32 *regamma_y;
+ struct fixed31_32 norm_y;
+ struct fixed31_32 lut1;
+ struct fixed31_32 lut2;
+ const int max_lut_index = 4095;
+ const struct fixed31_32 penult_lut_index_f =
+ dc_fixpt_from_int(max_lut_index-1);
+ const struct fixed31_32 max_lut_index_f =
+ dc_fixpt_from_int(max_lut_index);
+ int32_t index = 0, index_next = 0;
+ struct fixed31_32 index_f;
+ struct fixed31_32 delta_lut;
+ struct fixed31_32 delta_index;
+
+ if (ramp->type != GAMMA_CS_TFM_1D && ramp->type != GAMMA_CUSTOM)
+ return; // this is not expected
+
+ for (i = 0; i < num_hw_points; i++) {
+ for (color = 0; color < 3; color++) {
+ if (color == 0)
+ regamma_y = &tf_pts->red[i];
+ else if (color == 1)
+ regamma_y = &tf_pts->green[i];
+ else
+ regamma_y = &tf_pts->blue[i];
+
+ norm_y = dc_fixpt_mul(max_lut_index_f,
+ *regamma_y);
+ index = dc_fixpt_floor(norm_y);
+ index_f = dc_fixpt_from_int(index);
+
+ if (index < 0)
+ continue;
+
+ if (index <= max_lut_index)
+ index_next = (index == max_lut_index) ? index : index+1;
+ else {
+ /* Here we are dealing with the last point in the curve,
+ * which in some cases might exceed the range given by
+ * max_lut_index. So we interpolate the value using
+ * max_lut_index and max_lut_index - 1.
+ */
+ index = max_lut_index - 1;
+ index_next = max_lut_index;
+ index_f = penult_lut_index_f;
+ }
+
+ if (color == 0) {
+ lut1 = ramp->entries.red[index];
+ lut2 = ramp->entries.red[index_next];
+ } else if (color == 1) {
+ lut1 = ramp->entries.green[index];
+ lut2 = ramp->entries.green[index_next];
+ } else {
+ lut1 = ramp->entries.blue[index];
+ lut2 = ramp->entries.blue[index_next];
+ }
+
+ // we have everything now, so interpolate
+ delta_lut = dc_fixpt_sub(lut2, lut1);
+ delta_index = dc_fixpt_sub(norm_y, index_f);
+
+ *regamma_y = dc_fixpt_add(lut1,
+ dc_fixpt_mul(delta_index, delta_lut));
+ }
+ }
+}
+
+static void build_evenly_distributed_points(
+ struct gamma_pixel *points,
+ uint32_t numberof_points,
+ struct dividers dividers)
+{
+ struct gamma_pixel *p = points;
+ struct gamma_pixel *p_last;
+
+ uint32_t i = 0;
+
+ // This function should not gets called with 0 as a parameter
+ ASSERT(numberof_points > 0);
+ p_last = p + numberof_points - 1;
+
+ do {
+ struct fixed31_32 value = dc_fixpt_from_fraction(i,
+ numberof_points - 1);
+
+ p->r = value;
+ p->g = value;
+ p->b = value;
+
+ ++p;
+ ++i;
+ } while (i < numberof_points);
+
+ p->r = dc_fixpt_div(p_last->r, dividers.divider1);
+ p->g = dc_fixpt_div(p_last->g, dividers.divider1);
+ p->b = dc_fixpt_div(p_last->b, dividers.divider1);
+
+ ++p;
+
+ p->r = dc_fixpt_div(p_last->r, dividers.divider2);
+ p->g = dc_fixpt_div(p_last->g, dividers.divider2);
+ p->b = dc_fixpt_div(p_last->b, dividers.divider2);
+
+ ++p;
+
+ p->r = dc_fixpt_div(p_last->r, dividers.divider3);
+ p->g = dc_fixpt_div(p_last->g, dividers.divider3);
+ p->b = dc_fixpt_div(p_last->b, dividers.divider3);
+}
+
+static inline void copy_rgb_regamma_to_coordinates_x(
+ struct hw_x_point *coordinates_x,
+ uint32_t hw_points_num,
+ const struct pwl_float_data_ex *rgb_ex)
+{
+ struct hw_x_point *coords = coordinates_x;
+ uint32_t i = 0;
+ const struct pwl_float_data_ex *rgb_regamma = rgb_ex;
+
+ while (i <= hw_points_num + 1) {
+ coords->regamma_y_red = rgb_regamma->r;
+ coords->regamma_y_green = rgb_regamma->g;
+ coords->regamma_y_blue = rgb_regamma->b;
+
+ ++coords;
+ ++rgb_regamma;
+ ++i;
+ }
+}
+
+static bool calculate_interpolated_hardware_curve(
+ const struct dc_gamma *ramp,
+ struct pixel_gamma_point *coeff128,
+ struct pwl_float_data *rgb_user,
+ const struct hw_x_point *coordinates_x,
+ const struct gamma_pixel *axis_x,
+ uint32_t number_of_points,
+ struct dc_transfer_func_distributed_points *tf_pts)
+{
+
+ const struct pixel_gamma_point *coeff = coeff128;
+ uint32_t max_entries = 3 - 1;
+
+ uint32_t i = 0;
+
+ for (i = 0; i < 3; i++) {
+ if (!build_custom_gamma_mapping_coefficients_worker(
+ ramp, coeff128, coordinates_x, axis_x, i,
+ number_of_points))
+ return false;
+ }
+
+ i = 0;
+ max_entries += ramp->num_entries;
+
+ /* TODO: float point case */
+
+ while (i <= number_of_points) {
+ tf_pts->red[i] = calculate_mapped_value(
+ rgb_user, coeff, CHANNEL_NAME_RED, max_entries);
+ tf_pts->green[i] = calculate_mapped_value(
+ rgb_user, coeff, CHANNEL_NAME_GREEN, max_entries);
+ tf_pts->blue[i] = calculate_mapped_value(
+ rgb_user, coeff, CHANNEL_NAME_BLUE, max_entries);
+
+ ++coeff;
+ ++i;
+ }
+
+ return true;
+}
+
+/* The "old" interpolation uses a complicated scheme to build an array of
+ * coefficients while also using an array of 0-255 normalized to 0-1
+ * Then there's another loop using both of the above + new scaled user ramp
+ * and we concatenate them. It also searches for points of interpolation and
+ * uses enums for positions.
+ *
+ * This function uses a different approach:
+ * user ramp is always applied on X with 0/255, 1/255, 2/255, ..., 255/255
+ * To find index for hwX , we notice the following:
+ * i/255 <= hwX < (i+1)/255 <=> i <= 255*hwX < i+1
+ * See apply_lut_1d which is the same principle, but on 4K entry 1D LUT
+ *
+ * Once the index is known, combined Y is simply:
+ * user_ramp(index) + (hwX-index/255)*(user_ramp(index+1) - user_ramp(index)
+ *
+ * We should switch to this method in all cases, it's simpler and faster
+ * ToDo one day - for now this only applies to ADL regamma to avoid regression
+ * for regular use cases (sRGB and PQ)
+ */
+static void interpolate_user_regamma(uint32_t hw_points_num,
+ struct pwl_float_data *rgb_user,
+ bool apply_degamma,
+ struct dc_transfer_func_distributed_points *tf_pts)
+{
+ uint32_t i;
+ uint32_t color = 0;
+ int32_t index;
+ int32_t index_next;
+ struct fixed31_32 *tf_point;
+ struct fixed31_32 hw_x;
+ struct fixed31_32 norm_factor =
+ dc_fixpt_from_int(255);
+ struct fixed31_32 norm_x;
+ struct fixed31_32 index_f;
+ struct fixed31_32 lut1;
+ struct fixed31_32 lut2;
+ struct fixed31_32 delta_lut;
+ struct fixed31_32 delta_index;
+ const struct fixed31_32 one = dc_fixpt_from_int(1);
+
+ i = 0;
+ /* fixed_pt library has problems handling too small values */
+ while (i != 32) {
+ tf_pts->red[i] = dc_fixpt_zero;
+ tf_pts->green[i] = dc_fixpt_zero;
+ tf_pts->blue[i] = dc_fixpt_zero;
+ ++i;
+ }
+ while (i <= hw_points_num + 1) {
+ for (color = 0; color < 3; color++) {
+ if (color == 0)
+ tf_point = &tf_pts->red[i];
+ else if (color == 1)
+ tf_point = &tf_pts->green[i];
+ else
+ tf_point = &tf_pts->blue[i];
+
+ if (apply_degamma) {
+ if (color == 0)
+ hw_x = coordinates_x[i].regamma_y_red;
+ else if (color == 1)
+ hw_x = coordinates_x[i].regamma_y_green;
+ else
+ hw_x = coordinates_x[i].regamma_y_blue;
+ } else
+ hw_x = coordinates_x[i].x;
+
+ if (dc_fixpt_le(one, hw_x))
+ hw_x = one;
+
+ norm_x = dc_fixpt_mul(norm_factor, hw_x);
+ index = dc_fixpt_floor(norm_x);
+ if (index < 0 || index > 255)
+ continue;
+
+ index_f = dc_fixpt_from_int(index);
+ index_next = (index == 255) ? index : index + 1;
+
+ if (color == 0) {
+ lut1 = rgb_user[index].r;
+ lut2 = rgb_user[index_next].r;
+ } else if (color == 1) {
+ lut1 = rgb_user[index].g;
+ lut2 = rgb_user[index_next].g;
+ } else {
+ lut1 = rgb_user[index].b;
+ lut2 = rgb_user[index_next].b;
+ }
+
+ // we have everything now, so interpolate
+ delta_lut = dc_fixpt_sub(lut2, lut1);
+ delta_index = dc_fixpt_sub(norm_x, index_f);
+
+ *tf_point = dc_fixpt_add(lut1,
+ dc_fixpt_mul(delta_index, delta_lut));
+ }
+ ++i;
+ }
+}
+
+static void build_new_custom_resulted_curve(
+ uint32_t hw_points_num,
+ struct dc_transfer_func_distributed_points *tf_pts)
+{
+ uint32_t i = 0;
+
+ while (i != hw_points_num + 1) {
+ tf_pts->red[i] = dc_fixpt_clamp(
+ tf_pts->red[i], dc_fixpt_zero,
+ dc_fixpt_one);
+ tf_pts->green[i] = dc_fixpt_clamp(
+ tf_pts->green[i], dc_fixpt_zero,
+ dc_fixpt_one);
+ tf_pts->blue[i] = dc_fixpt_clamp(
+ tf_pts->blue[i], dc_fixpt_zero,
+ dc_fixpt_one);
+
+ ++i;
+ }
+}
+
+static void apply_degamma_for_user_regamma(struct pwl_float_data_ex *rgb_regamma,
+ uint32_t hw_points_num, struct calculate_buffer *cal_buffer)
+{
+ uint32_t i;
+
+ struct gamma_coefficients coeff;
+ struct pwl_float_data_ex *rgb = rgb_regamma;
+ const struct hw_x_point *coord_x = coordinates_x;
+
+ build_coefficients(&coeff, TRANSFER_FUNCTION_SRGB);
+
+ i = 0;
+ while (i != hw_points_num + 1) {
+ rgb->r = translate_from_linear_space_ex(
+ coord_x->x, &coeff, 0, cal_buffer);
+ rgb->g = rgb->r;
+ rgb->b = rgb->r;
+ ++coord_x;
+ ++rgb;
+ ++i;
+ }
+}
+
+static bool map_regamma_hw_to_x_user(
+ const struct dc_gamma *ramp,
+ struct pixel_gamma_point *coeff128,
+ struct pwl_float_data *rgb_user,
+ struct hw_x_point *coords_x,
+ const struct gamma_pixel *axis_x,
+ const struct pwl_float_data_ex *rgb_regamma,
+ uint32_t hw_points_num,
+ struct dc_transfer_func_distributed_points *tf_pts,
+ bool mapUserRamp,
+ bool doClamping)
+{
+ /* setup to spare calculated ideal regamma values */
+
+ int i = 0;
+ struct hw_x_point *coords = coords_x;
+ const struct pwl_float_data_ex *regamma = rgb_regamma;
+
+ if (ramp && mapUserRamp) {
+ copy_rgb_regamma_to_coordinates_x(coords,
+ hw_points_num,
+ rgb_regamma);
+
+ calculate_interpolated_hardware_curve(
+ ramp, coeff128, rgb_user, coords, axis_x,
+ hw_points_num, tf_pts);
+ } else {
+ /* just copy current rgb_regamma into tf_pts */
+ while (i <= hw_points_num) {
+ tf_pts->red[i] = regamma->r;
+ tf_pts->green[i] = regamma->g;
+ tf_pts->blue[i] = regamma->b;
+
+ ++regamma;
+ ++i;
+ }
+ }
+
+ if (doClamping) {
+ /* this should be named differently, all it does is clamp to 0-1 */
+ build_new_custom_resulted_curve(hw_points_num, tf_pts);
+ }
+
+ return true;
+}
+
+#define _EXTRA_POINTS 3
+
+bool calculate_user_regamma_coeff(struct dc_transfer_func *output_tf,
+ const struct regamma_lut *regamma,
+ struct calculate_buffer *cal_buffer,
+ const struct dc_gamma *ramp)
+{
+ struct gamma_coefficients coeff;
+ const struct hw_x_point *coord_x = coordinates_x;
+ uint32_t i = 0;
+
+ do {
+ coeff.a0[i] = dc_fixpt_from_fraction(
+ regamma->coeff.A0[i], 10000000);
+ coeff.a1[i] = dc_fixpt_from_fraction(
+ regamma->coeff.A1[i], 1000);
+ coeff.a2[i] = dc_fixpt_from_fraction(
+ regamma->coeff.A2[i], 1000);
+ coeff.a3[i] = dc_fixpt_from_fraction(
+ regamma->coeff.A3[i], 1000);
+ coeff.user_gamma[i] = dc_fixpt_from_fraction(
+ regamma->coeff.gamma[i], 1000);
+
+ ++i;
+ } while (i != 3);
+
+ i = 0;
+ /* fixed_pt library has problems handling too small values */
+ while (i != 32) {
+ output_tf->tf_pts.red[i] = dc_fixpt_zero;
+ output_tf->tf_pts.green[i] = dc_fixpt_zero;
+ output_tf->tf_pts.blue[i] = dc_fixpt_zero;
+ ++coord_x;
+ ++i;
+ }
+ while (i != MAX_HW_POINTS + 1) {
+ output_tf->tf_pts.red[i] = translate_from_linear_space_ex(
+ coord_x->x, &coeff, 0, cal_buffer);
+ output_tf->tf_pts.green[i] = translate_from_linear_space_ex(
+ coord_x->x, &coeff, 1, cal_buffer);
+ output_tf->tf_pts.blue[i] = translate_from_linear_space_ex(
+ coord_x->x, &coeff, 2, cal_buffer);
+ ++coord_x;
+ ++i;
+ }
+
+ if (ramp && ramp->type == GAMMA_CS_TFM_1D)
+ apply_lut_1d(ramp, MAX_HW_POINTS, &output_tf->tf_pts);
+
+ // this function just clamps output to 0-1
+ build_new_custom_resulted_curve(MAX_HW_POINTS, &output_tf->tf_pts);
+ output_tf->type = TF_TYPE_DISTRIBUTED_POINTS;
+
+ return true;
+}
+
+bool calculate_user_regamma_ramp(struct dc_transfer_func *output_tf,
+ const struct regamma_lut *regamma,
+ struct calculate_buffer *cal_buffer,
+ const struct dc_gamma *ramp)
+{
+ struct dc_transfer_func_distributed_points *tf_pts = &output_tf->tf_pts;
+ struct dividers dividers;
+
+ struct pwl_float_data *rgb_user = NULL;
+ struct pwl_float_data_ex *rgb_regamma = NULL;
+ bool ret = false;
+
+ if (regamma == NULL)
+ return false;
+
+ output_tf->type = TF_TYPE_DISTRIBUTED_POINTS;
+
+ rgb_user = kcalloc(GAMMA_RGB_256_ENTRIES + _EXTRA_POINTS,
+ sizeof(*rgb_user),
+ GFP_KERNEL);
+ if (!rgb_user)
+ goto rgb_user_alloc_fail;
+
+ rgb_regamma = kcalloc(MAX_HW_POINTS + _EXTRA_POINTS,
+ sizeof(*rgb_regamma),
+ GFP_KERNEL);
+ if (!rgb_regamma)
+ goto rgb_regamma_alloc_fail;
+
+ dividers.divider1 = dc_fixpt_from_fraction(3, 2);
+ dividers.divider2 = dc_fixpt_from_int(2);
+ dividers.divider3 = dc_fixpt_from_fraction(5, 2);
+
+ scale_user_regamma_ramp(rgb_user, &regamma->ramp, dividers);
+
+ if (regamma->flags.bits.applyDegamma == 1) {
+ apply_degamma_for_user_regamma(rgb_regamma, MAX_HW_POINTS, cal_buffer);
+ copy_rgb_regamma_to_coordinates_x(coordinates_x,
+ MAX_HW_POINTS, rgb_regamma);
+ }
+
+ interpolate_user_regamma(MAX_HW_POINTS, rgb_user,
+ regamma->flags.bits.applyDegamma, tf_pts);
+
+ // no custom HDR curves!
+ tf_pts->end_exponent = 0;
+ tf_pts->x_point_at_y1_red = 1;
+ tf_pts->x_point_at_y1_green = 1;
+ tf_pts->x_point_at_y1_blue = 1;
+
+ if (ramp && ramp->type == GAMMA_CS_TFM_1D)
+ apply_lut_1d(ramp, MAX_HW_POINTS, &output_tf->tf_pts);
+
+ // this function just clamps output to 0-1
+ build_new_custom_resulted_curve(MAX_HW_POINTS, tf_pts);
+
+ ret = true;
+
+ kfree(rgb_regamma);
+rgb_regamma_alloc_fail:
+ kfree(rgb_user);
+rgb_user_alloc_fail:
+ return ret;
+}
+
+bool mod_color_calculate_degamma_params(struct dc_color_caps *dc_caps,
+ struct dc_transfer_func *input_tf,
+ const struct dc_gamma *ramp, bool mapUserRamp)
+{
+ struct dc_transfer_func_distributed_points *tf_pts = &input_tf->tf_pts;
+ struct dividers dividers;
+ struct pwl_float_data *rgb_user = NULL;
+ struct pwl_float_data_ex *curve = NULL;
+ struct gamma_pixel *axis_x = NULL;
+ struct pixel_gamma_point *coeff = NULL;
+ enum dc_transfer_func_predefined tf = TRANSFER_FUNCTION_SRGB;
+ uint32_t i;
+ bool ret = false;
+
+ if (input_tf->type == TF_TYPE_BYPASS)
+ return false;
+
+ /* we can use hardcoded curve for plain SRGB TF
+ * If linear, it's bypass if on user ramp
+ */
+ if (input_tf->type == TF_TYPE_PREDEFINED) {
+ if ((input_tf->tf == TRANSFER_FUNCTION_SRGB ||
+ input_tf->tf == TRANSFER_FUNCTION_LINEAR) &&
+ !mapUserRamp)
+ return true;
+
+ if (dc_caps != NULL &&
+ dc_caps->dpp.dcn_arch == 1) {
+
+ if (input_tf->tf == TRANSFER_FUNCTION_PQ &&
+ dc_caps->dpp.dgam_rom_caps.pq == 1)
+ return true;
+
+ if (input_tf->tf == TRANSFER_FUNCTION_GAMMA22 &&
+ dc_caps->dpp.dgam_rom_caps.gamma2_2 == 1)
+ return true;
+
+ // HLG OOTF not accounted for
+ if (input_tf->tf == TRANSFER_FUNCTION_HLG &&
+ dc_caps->dpp.dgam_rom_caps.hlg == 1)
+ return true;
+ }
+ }
+
+ input_tf->type = TF_TYPE_DISTRIBUTED_POINTS;
+
+ if (mapUserRamp && ramp && ramp->type == GAMMA_RGB_256) {
+ rgb_user = kvcalloc(ramp->num_entries + _EXTRA_POINTS,
+ sizeof(*rgb_user),
+ GFP_KERNEL);
+ if (!rgb_user)
+ goto rgb_user_alloc_fail;
+
+ axis_x = kvcalloc(ramp->num_entries + _EXTRA_POINTS, sizeof(*axis_x),
+ GFP_KERNEL);
+ if (!axis_x)
+ goto axis_x_alloc_fail;
+
+ dividers.divider1 = dc_fixpt_from_fraction(3, 2);
+ dividers.divider2 = dc_fixpt_from_int(2);
+ dividers.divider3 = dc_fixpt_from_fraction(5, 2);
+
+ build_evenly_distributed_points(
+ axis_x,
+ ramp->num_entries,
+ dividers);
+
+ scale_gamma(rgb_user, ramp, dividers);
+ }
+
+ curve = kvcalloc(MAX_HW_POINTS + _EXTRA_POINTS, sizeof(*curve),
+ GFP_KERNEL);
+ if (!curve)
+ goto curve_alloc_fail;
+
+ coeff = kvcalloc(MAX_HW_POINTS + _EXTRA_POINTS, sizeof(*coeff),
+ GFP_KERNEL);
+ if (!coeff)
+ goto coeff_alloc_fail;
+
+ tf = input_tf->tf;
+
+ if (tf == TRANSFER_FUNCTION_PQ)
+ build_de_pq(curve,
+ MAX_HW_POINTS,
+ coordinates_x);
+ else if (tf == TRANSFER_FUNCTION_SRGB ||
+ tf == TRANSFER_FUNCTION_BT709 ||
+ tf == TRANSFER_FUNCTION_GAMMA22 ||
+ tf == TRANSFER_FUNCTION_GAMMA24 ||
+ tf == TRANSFER_FUNCTION_GAMMA26)
+ build_degamma(curve,
+ MAX_HW_POINTS,
+ coordinates_x,
+ tf);
+ else if (tf == TRANSFER_FUNCTION_HLG)
+ build_hlg_degamma(curve,
+ MAX_HW_POINTS,
+ coordinates_x,
+ 80, 1000);
+ else if (tf == TRANSFER_FUNCTION_LINEAR) {
+ // just copy coordinates_x into curve
+ i = 0;
+ while (i != MAX_HW_POINTS + 1) {
+ curve[i].r = coordinates_x[i].x;
+ curve[i].g = curve[i].r;
+ curve[i].b = curve[i].r;
+ i++;
+ }
+ } else
+ goto invalid_tf_fail;
+
+ tf_pts->end_exponent = 0;
+ tf_pts->x_point_at_y1_red = 1;
+ tf_pts->x_point_at_y1_green = 1;
+ tf_pts->x_point_at_y1_blue = 1;
+
+ if (input_tf->tf == TRANSFER_FUNCTION_PQ) {
+ /* just copy current rgb_regamma into tf_pts */
+ struct pwl_float_data_ex *curvePt = curve;
+ int i = 0;
+
+ while (i <= MAX_HW_POINTS) {
+ tf_pts->red[i] = curvePt->r;
+ tf_pts->green[i] = curvePt->g;
+ tf_pts->blue[i] = curvePt->b;
+ ++curvePt;
+ ++i;
+ }
+ } else {
+ // clamps to 0-1
+ map_regamma_hw_to_x_user(ramp, coeff, rgb_user,
+ coordinates_x, axis_x, curve,
+ MAX_HW_POINTS, tf_pts,
+ mapUserRamp && ramp && ramp->type == GAMMA_RGB_256,
+ true);
+ }
+
+
+
+ if (ramp && ramp->type == GAMMA_CUSTOM)
+ apply_lut_1d(ramp, MAX_HW_POINTS, tf_pts);
+
+ ret = true;
+
+invalid_tf_fail:
+ kvfree(coeff);
+coeff_alloc_fail:
+ kvfree(curve);
+curve_alloc_fail:
+ kvfree(axis_x);
+axis_x_alloc_fail:
+ kvfree(rgb_user);
+rgb_user_alloc_fail:
+
+ return ret;
+}
+
+static bool calculate_curve(enum dc_transfer_func_predefined trans,
+ struct dc_transfer_func_distributed_points *points,
+ struct pwl_float_data_ex *rgb_regamma,
+ const struct hdr_tm_params *fs_params,
+ uint32_t sdr_ref_white_level,
+ struct calculate_buffer *cal_buffer)
+{
+ uint32_t i;
+ bool ret = false;
+
+ if (trans == TRANSFER_FUNCTION_UNITY ||
+ trans == TRANSFER_FUNCTION_LINEAR) {
+ points->end_exponent = 0;
+ points->x_point_at_y1_red = 1;
+ points->x_point_at_y1_green = 1;
+ points->x_point_at_y1_blue = 1;
+
+ for (i = 0; i <= MAX_HW_POINTS ; i++) {
+ rgb_regamma[i].r = coordinates_x[i].x;
+ rgb_regamma[i].g = coordinates_x[i].x;
+ rgb_regamma[i].b = coordinates_x[i].x;
+ }
+
+ ret = true;
+ } else if (trans == TRANSFER_FUNCTION_PQ) {
+ points->end_exponent = 7;
+ points->x_point_at_y1_red = 125;
+ points->x_point_at_y1_green = 125;
+ points->x_point_at_y1_blue = 125;
+
+ build_pq(rgb_regamma,
+ MAX_HW_POINTS,
+ coordinates_x,
+ sdr_ref_white_level);
+
+ ret = true;
+ } else if (trans == TRANSFER_FUNCTION_GAMMA22 &&
+ fs_params != NULL && fs_params->skip_tm == 0) {
+ build_freesync_hdr(rgb_regamma,
+ MAX_HW_POINTS,
+ coordinates_x,
+ fs_params,
+ cal_buffer);
+
+ ret = true;
+ } else if (trans == TRANSFER_FUNCTION_HLG) {
+ points->end_exponent = 4;
+ points->x_point_at_y1_red = 12;
+ points->x_point_at_y1_green = 12;
+ points->x_point_at_y1_blue = 12;
+
+ build_hlg_regamma(rgb_regamma,
+ MAX_HW_POINTS,
+ coordinates_x,
+ 80, 1000);
+
+ ret = true;
+ } else {
+ // trans == TRANSFER_FUNCTION_SRGB
+ // trans == TRANSFER_FUNCTION_BT709
+ // trans == TRANSFER_FUNCTION_GAMMA22
+ // trans == TRANSFER_FUNCTION_GAMMA24
+ // trans == TRANSFER_FUNCTION_GAMMA26
+ points->end_exponent = 0;
+ points->x_point_at_y1_red = 1;
+ points->x_point_at_y1_green = 1;
+ points->x_point_at_y1_blue = 1;
+
+ build_regamma(rgb_regamma,
+ MAX_HW_POINTS,
+ coordinates_x,
+ trans,
+ cal_buffer);
+
+ ret = true;
+ }
+
+ return ret;
+}
+
+bool mod_color_calculate_regamma_params(struct dc_transfer_func *output_tf,
+ const struct dc_gamma *ramp, bool mapUserRamp, bool canRomBeUsed,
+ const struct hdr_tm_params *fs_params,
+ struct calculate_buffer *cal_buffer)
+{
+ struct dc_transfer_func_distributed_points *tf_pts = &output_tf->tf_pts;
+ struct dividers dividers;
+
+ struct pwl_float_data *rgb_user = NULL;
+ struct pwl_float_data_ex *rgb_regamma = NULL;
+ struct gamma_pixel *axis_x = NULL;
+ struct pixel_gamma_point *coeff = NULL;
+ enum dc_transfer_func_predefined tf = TRANSFER_FUNCTION_SRGB;
+ bool doClamping = true;
+ bool ret = false;
+
+ if (output_tf->type == TF_TYPE_BYPASS)
+ return false;
+
+ /* we can use hardcoded curve for plain SRGB TF */
+ if (output_tf->type == TF_TYPE_PREDEFINED && canRomBeUsed == true &&
+ output_tf->tf == TRANSFER_FUNCTION_SRGB) {
+ if (ramp == NULL)
+ return true;
+ if ((ramp->is_identity && ramp->type != GAMMA_CS_TFM_1D) ||
+ (!mapUserRamp && ramp->type == GAMMA_RGB_256))
+ return true;
+ }
+
+ output_tf->type = TF_TYPE_DISTRIBUTED_POINTS;
+
+ if (ramp && ramp->type != GAMMA_CS_TFM_1D &&
+ (mapUserRamp || ramp->type != GAMMA_RGB_256)) {
+ rgb_user = kvcalloc(ramp->num_entries + _EXTRA_POINTS,
+ sizeof(*rgb_user),
+ GFP_KERNEL);
+ if (!rgb_user)
+ goto rgb_user_alloc_fail;
+
+ axis_x = kvcalloc(ramp->num_entries + 3, sizeof(*axis_x),
+ GFP_KERNEL);
+ if (!axis_x)
+ goto axis_x_alloc_fail;
+
+ dividers.divider1 = dc_fixpt_from_fraction(3, 2);
+ dividers.divider2 = dc_fixpt_from_int(2);
+ dividers.divider3 = dc_fixpt_from_fraction(5, 2);
+
+ build_evenly_distributed_points(
+ axis_x,
+ ramp->num_entries,
+ dividers);
+
+ if (ramp->type == GAMMA_RGB_256 && mapUserRamp)
+ scale_gamma(rgb_user, ramp, dividers);
+ else if (ramp->type == GAMMA_RGB_FLOAT_1024)
+ scale_gamma_dx(rgb_user, ramp, dividers);
+ }
+
+ rgb_regamma = kvcalloc(MAX_HW_POINTS + _EXTRA_POINTS,
+ sizeof(*rgb_regamma),
+ GFP_KERNEL);
+ if (!rgb_regamma)
+ goto rgb_regamma_alloc_fail;
+
+ coeff = kvcalloc(MAX_HW_POINTS + _EXTRA_POINTS, sizeof(*coeff),
+ GFP_KERNEL);
+ if (!coeff)
+ goto coeff_alloc_fail;
+
+ tf = output_tf->tf;
+
+ ret = calculate_curve(tf,
+ tf_pts,
+ rgb_regamma,
+ fs_params,
+ output_tf->sdr_ref_white_level,
+ cal_buffer);
+
+ if (ret) {
+ doClamping = !(output_tf->tf == TRANSFER_FUNCTION_GAMMA22 &&
+ fs_params != NULL && fs_params->skip_tm == 0);
+
+ map_regamma_hw_to_x_user(ramp, coeff, rgb_user,
+ coordinates_x, axis_x, rgb_regamma,
+ MAX_HW_POINTS, tf_pts,
+ (mapUserRamp || (ramp && ramp->type != GAMMA_RGB_256)) &&
+ (ramp && ramp->type != GAMMA_CS_TFM_1D),
+ doClamping);
+
+ if (ramp && ramp->type == GAMMA_CS_TFM_1D)
+ apply_lut_1d(ramp, MAX_HW_POINTS, tf_pts);
+ }
+
+ kvfree(coeff);
+coeff_alloc_fail:
+ kvfree(rgb_regamma);
+rgb_regamma_alloc_fail:
+ kvfree(axis_x);
+axis_x_alloc_fail:
+ kvfree(rgb_user);
+rgb_user_alloc_fail:
+ return ret;
+}
+
+bool mod_color_calculate_degamma_curve(enum dc_transfer_func_predefined trans,
+ struct dc_transfer_func_distributed_points *points)
+{
+ uint32_t i;
+ bool ret = false;
+ struct pwl_float_data_ex *rgb_degamma = NULL;
+
+ if (trans == TRANSFER_FUNCTION_UNITY ||
+ trans == TRANSFER_FUNCTION_LINEAR) {
+
+ for (i = 0; i <= MAX_HW_POINTS ; i++) {
+ points->red[i] = coordinates_x[i].x;
+ points->green[i] = coordinates_x[i].x;
+ points->blue[i] = coordinates_x[i].x;
+ }
+ ret = true;
+ } else if (trans == TRANSFER_FUNCTION_PQ) {
+ rgb_degamma = kvcalloc(MAX_HW_POINTS + _EXTRA_POINTS,
+ sizeof(*rgb_degamma),
+ GFP_KERNEL);
+ if (!rgb_degamma)
+ goto rgb_degamma_alloc_fail;
+
+
+ build_de_pq(rgb_degamma,
+ MAX_HW_POINTS,
+ coordinates_x);
+ for (i = 0; i <= MAX_HW_POINTS ; i++) {
+ points->red[i] = rgb_degamma[i].r;
+ points->green[i] = rgb_degamma[i].g;
+ points->blue[i] = rgb_degamma[i].b;
+ }
+ ret = true;
+
+ kvfree(rgb_degamma);
+ } else if (trans == TRANSFER_FUNCTION_SRGB ||
+ trans == TRANSFER_FUNCTION_BT709 ||
+ trans == TRANSFER_FUNCTION_GAMMA22 ||
+ trans == TRANSFER_FUNCTION_GAMMA24 ||
+ trans == TRANSFER_FUNCTION_GAMMA26) {
+ rgb_degamma = kvcalloc(MAX_HW_POINTS + _EXTRA_POINTS,
+ sizeof(*rgb_degamma),
+ GFP_KERNEL);
+ if (!rgb_degamma)
+ goto rgb_degamma_alloc_fail;
+
+ build_degamma(rgb_degamma,
+ MAX_HW_POINTS,
+ coordinates_x,
+ trans);
+ for (i = 0; i <= MAX_HW_POINTS ; i++) {
+ points->red[i] = rgb_degamma[i].r;
+ points->green[i] = rgb_degamma[i].g;
+ points->blue[i] = rgb_degamma[i].b;
+ }
+ ret = true;
+
+ kvfree(rgb_degamma);
+ } else if (trans == TRANSFER_FUNCTION_HLG) {
+ rgb_degamma = kvcalloc(MAX_HW_POINTS + _EXTRA_POINTS,
+ sizeof(*rgb_degamma),
+ GFP_KERNEL);
+ if (!rgb_degamma)
+ goto rgb_degamma_alloc_fail;
+
+ build_hlg_degamma(rgb_degamma,
+ MAX_HW_POINTS,
+ coordinates_x,
+ 80, 1000);
+ for (i = 0; i <= MAX_HW_POINTS ; i++) {
+ points->red[i] = rgb_degamma[i].r;
+ points->green[i] = rgb_degamma[i].g;
+ points->blue[i] = rgb_degamma[i].b;
+ }
+ ret = true;
+ kvfree(rgb_degamma);
+ }
+ points->end_exponent = 0;
+ points->x_point_at_y1_red = 1;
+ points->x_point_at_y1_green = 1;
+ points->x_point_at_y1_blue = 1;
+
+rgb_degamma_alloc_fail:
+ return ret;
+}
diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.h b/drivers/gpu/drm/amd/display/modules/color/color_gamma.h
new file mode 100644
index 000000000..2893abf48
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.h
@@ -0,0 +1,132 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef COLOR_MOD_COLOR_GAMMA_H_
+#define COLOR_MOD_COLOR_GAMMA_H_
+
+#include "color_table.h"
+
+struct dc_transfer_func;
+struct dc_gamma;
+struct dc_transfer_func_distributed_points;
+struct dc_rgb_fixed;
+struct dc_color_caps;
+enum dc_transfer_func_predefined;
+
+/* For SetRegamma ADL interface support
+ * Must match escape type
+ */
+union regamma_flags {
+ unsigned int raw;
+ struct {
+ unsigned int gammaRampArray :1; // RegammaRamp is in use
+ unsigned int gammaFromEdid :1; //gamma from edid is in use
+ unsigned int gammaFromEdidEx :1; //gamma from edid is in use , but only for Display Id 1.2
+ unsigned int gammaFromUser :1; //user custom gamma is used
+ unsigned int coeffFromUser :1; //coeff. A0-A3 from user is in use
+ unsigned int coeffFromEdid :1; //coeff. A0-A3 from edid is in use
+ unsigned int applyDegamma :1; //flag for additional degamma correction in driver
+ unsigned int gammaPredefinedSRGB :1; //flag for SRGB gamma
+ unsigned int gammaPredefinedPQ :1; //flag for PQ gamma
+ unsigned int gammaPredefinedPQ2084Interim :1; //flag for PQ gamma, lower max nits
+ unsigned int gammaPredefined36 :1; //flag for 3.6 gamma
+ unsigned int gammaPredefinedReset :1; //flag to return to previous gamma
+ } bits;
+};
+
+struct regamma_ramp {
+ unsigned short gamma[256*3]; // gamma ramp packed in same way as OS windows ,r , g & b
+};
+
+struct regamma_coeff {
+ int gamma[3];
+ int A0[3];
+ int A1[3];
+ int A2[3];
+ int A3[3];
+};
+
+struct regamma_lut {
+ union regamma_flags flags;
+ union {
+ struct regamma_ramp ramp;
+ struct regamma_coeff coeff;
+ };
+};
+
+struct hdr_tm_params {
+ unsigned int sdr_white_level;
+ unsigned int min_content; // luminance in 1/10000 nits
+ unsigned int max_content; // luminance in nits
+ unsigned int min_display; // luminance in 1/10000 nits
+ unsigned int max_display; // luminance in nits
+ unsigned int skip_tm; // skip tm
+};
+
+struct calculate_buffer {
+ int buffer_index;
+ struct fixed31_32 buffer[NUM_PTS_IN_REGION];
+ struct fixed31_32 gamma_of_2;
+};
+
+struct translate_from_linear_space_args {
+ struct fixed31_32 arg;
+ struct fixed31_32 a0;
+ struct fixed31_32 a1;
+ struct fixed31_32 a2;
+ struct fixed31_32 a3;
+ struct fixed31_32 gamma;
+ struct calculate_buffer *cal_buffer;
+};
+
+void setup_x_points_distribution(void);
+void log_x_points_distribution(struct dal_logger *logger);
+void precompute_pq(void);
+void precompute_de_pq(void);
+
+bool mod_color_calculate_regamma_params(struct dc_transfer_func *output_tf,
+ const struct dc_gamma *ramp, bool mapUserRamp, bool canRomBeUsed,
+ const struct hdr_tm_params *fs_params,
+ struct calculate_buffer *cal_buffer);
+
+bool mod_color_calculate_degamma_params(struct dc_color_caps *dc_caps,
+ struct dc_transfer_func *output_tf,
+ const struct dc_gamma *ramp, bool mapUserRamp);
+
+bool mod_color_calculate_degamma_curve(enum dc_transfer_func_predefined trans,
+ struct dc_transfer_func_distributed_points *points);
+
+bool calculate_user_regamma_coeff(struct dc_transfer_func *output_tf,
+ const struct regamma_lut *regamma,
+ struct calculate_buffer *cal_buffer,
+ const struct dc_gamma *ramp);
+
+bool calculate_user_regamma_ramp(struct dc_transfer_func *output_tf,
+ const struct regamma_lut *regamma,
+ struct calculate_buffer *cal_buffer,
+ const struct dc_gamma *ramp);
+
+
+#endif /* COLOR_MOD_COLOR_GAMMA_H_ */
diff --git a/drivers/gpu/drm/amd/display/modules/color/color_table.c b/drivers/gpu/drm/amd/display/modules/color/color_table.c
new file mode 100644
index 000000000..410f2a82b
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/color/color_table.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2019 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "color_table.h"
+
+static struct fixed31_32 pq_table[MAX_HW_POINTS + 2];
+static struct fixed31_32 de_pq_table[MAX_HW_POINTS + 2];
+static bool pq_initialized;
+static bool de_pg_initialized;
+
+bool mod_color_is_table_init(enum table_type type)
+{
+ bool ret = false;
+
+ if (type == type_pq_table)
+ ret = pq_initialized;
+ if (type == type_de_pq_table)
+ ret = de_pg_initialized;
+
+ return ret;
+}
+
+struct fixed31_32 *mod_color_get_table(enum table_type type)
+{
+ struct fixed31_32 *table = NULL;
+
+ if (type == type_pq_table)
+ table = pq_table;
+ if (type == type_de_pq_table)
+ table = de_pq_table;
+
+ return table;
+}
+
+void mod_color_set_table_init_state(enum table_type type, bool state)
+{
+ if (type == type_pq_table)
+ pq_initialized = state;
+ if (type == type_de_pq_table)
+ de_pg_initialized = state;
+}
+
diff --git a/drivers/gpu/drm/amd/display/modules/color/color_table.h b/drivers/gpu/drm/amd/display/modules/color/color_table.h
new file mode 100644
index 000000000..2621dd619
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/color/color_table.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+
+#ifndef COLOR_MOD_COLOR_TABLE_H_
+#define COLOR_MOD_COLOR_TABLE_H_
+
+#include "dc_types.h"
+
+#define NUM_PTS_IN_REGION 16
+#define NUM_REGIONS 32
+#define MAX_HW_POINTS (NUM_PTS_IN_REGION*NUM_REGIONS)
+
+enum table_type {
+ type_pq_table,
+ type_de_pq_table
+};
+
+bool mod_color_is_table_init(enum table_type type);
+
+struct fixed31_32 *mod_color_get_table(enum table_type type);
+
+void mod_color_set_table_init_state(enum table_type type, bool state);
+
+#endif /* COLOR_MOD_COLOR_TABLE_H_ */
diff --git a/drivers/gpu/drm/amd/display/modules/color/luts_1d.h b/drivers/gpu/drm/amd/display/modules/color/luts_1d.h
new file mode 100644
index 000000000..66b1fad57
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/color/luts_1d.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+#ifndef LUTS_1D_H
+#define LUTS_1D_H
+
+#include "hw_shared.h"
+
+struct point_config {
+ uint32_t custom_float_x;
+ uint32_t custom_float_y;
+ uint32_t custom_float_slope;
+};
+
+struct lut_point {
+ uint32_t red;
+ uint32_t green;
+ uint32_t blue;
+ uint32_t delta_red;
+ uint32_t delta_green;
+ uint32_t delta_blue;
+};
+
+struct pwl_1dlut_parameter {
+ struct gamma_curve arr_curve_points[34];
+ struct point_config arr_points[2];
+ struct lut_point rgb_resulted[256];
+ uint32_t hw_points_num;
+};
+#endif // LUTS_1D_H
diff --git a/drivers/gpu/drm/amd/display/modules/freesync/Makefile b/drivers/gpu/drm/amd/display/modules/freesync/Makefile
new file mode 100644
index 000000000..fb9a49978
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/freesync/Makefile
@@ -0,0 +1,31 @@
+#
+# Copyright 2017 Advanced Micro Devices, Inc.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+# THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+#
+#
+# Makefile for the 'freesync' sub-module of DAL.
+#
+
+FREESYNC = freesync.o
+
+AMD_DAL_FREESYNC = $(addprefix $(AMDDALPATH)/modules/freesync/,$(FREESYNC))
+#$(info ************ DAL-FREE SYNC_MAKEFILE ************)
+
+AMD_DISPLAY_FILES += $(AMD_DAL_FREESYNC)
diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
new file mode 100644
index 000000000..9e74b6e8b
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
@@ -0,0 +1,1435 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dm_services.h"
+#include "dc.h"
+#include "mod_freesync.h"
+#include "core_types.h"
+
+#define MOD_FREESYNC_MAX_CONCURRENT_STREAMS 32
+
+#define MIN_REFRESH_RANGE 10
+/* Refresh rate ramp at a fixed rate of 65 Hz/second */
+#define STATIC_SCREEN_RAMP_DELTA_REFRESH_RATE_PER_FRAME ((1000 / 60) * 65)
+/* Number of elements in the render times cache array */
+#define RENDER_TIMES_MAX_COUNT 10
+/* Threshold to exit/exit BTR (to avoid frequent enter-exits at the lower limit) */
+#define BTR_MAX_MARGIN 2500
+/* Threshold to change BTR multiplier (to avoid frequent changes) */
+#define BTR_DRIFT_MARGIN 2000
+/* Threshold to exit fixed refresh rate */
+#define FIXED_REFRESH_EXIT_MARGIN_IN_HZ 1
+/* Number of consecutive frames to check before entering/exiting fixed refresh */
+#define FIXED_REFRESH_ENTER_FRAME_COUNT 5
+#define FIXED_REFRESH_EXIT_FRAME_COUNT 10
+/* Flip interval workaround constants */
+#define VSYNCS_BETWEEN_FLIP_THRESHOLD 2
+#define FREESYNC_CONSEC_FLIP_AFTER_VSYNC 5
+#define FREESYNC_VSYNC_TO_FLIP_DELTA_IN_US 500
+
+struct core_freesync {
+ struct mod_freesync public;
+ struct dc *dc;
+};
+
+#define MOD_FREESYNC_TO_CORE(mod_freesync)\
+ container_of(mod_freesync, struct core_freesync, public)
+
+struct mod_freesync *mod_freesync_create(struct dc *dc)
+{
+ struct core_freesync *core_freesync =
+ kzalloc(sizeof(struct core_freesync), GFP_KERNEL);
+
+ if (core_freesync == NULL)
+ goto fail_alloc_context;
+
+ if (dc == NULL)
+ goto fail_construct;
+
+ core_freesync->dc = dc;
+ return &core_freesync->public;
+
+fail_construct:
+ kfree(core_freesync);
+
+fail_alloc_context:
+ return NULL;
+}
+
+void mod_freesync_destroy(struct mod_freesync *mod_freesync)
+{
+ struct core_freesync *core_freesync = NULL;
+ if (mod_freesync == NULL)
+ return;
+ core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
+ kfree(core_freesync);
+}
+
+#if 0 /* Unused currently */
+static unsigned int calc_refresh_in_uhz_from_duration(
+ unsigned int duration_in_ns)
+{
+ unsigned int refresh_in_uhz =
+ ((unsigned int)(div64_u64((1000000000ULL * 1000000),
+ duration_in_ns)));
+ return refresh_in_uhz;
+}
+#endif
+
+static unsigned int calc_duration_in_us_from_refresh_in_uhz(
+ unsigned int refresh_in_uhz)
+{
+ unsigned int duration_in_us =
+ ((unsigned int)(div64_u64((1000000000ULL * 1000),
+ refresh_in_uhz)));
+ return duration_in_us;
+}
+
+static unsigned int calc_duration_in_us_from_v_total(
+ const struct dc_stream_state *stream,
+ const struct mod_vrr_params *in_vrr,
+ unsigned int v_total)
+{
+ unsigned int duration_in_us =
+ (unsigned int)(div64_u64(((unsigned long long)(v_total)
+ * 10000) * stream->timing.h_total,
+ stream->timing.pix_clk_100hz));
+
+ return duration_in_us;
+}
+
+unsigned int mod_freesync_calc_v_total_from_refresh(
+ const struct dc_stream_state *stream,
+ unsigned int refresh_in_uhz)
+{
+ unsigned int v_total;
+ unsigned int frame_duration_in_ns;
+
+ frame_duration_in_ns =
+ ((unsigned int)(div64_u64((1000000000ULL * 1000000),
+ refresh_in_uhz)));
+
+ v_total = div64_u64(div64_u64(((unsigned long long)(
+ frame_duration_in_ns) * (stream->timing.pix_clk_100hz / 10)),
+ stream->timing.h_total), 1000000);
+
+ /* v_total cannot be less than nominal */
+ if (v_total < stream->timing.v_total) {
+ ASSERT(v_total < stream->timing.v_total);
+ v_total = stream->timing.v_total;
+ }
+
+ return v_total;
+}
+
+static unsigned int calc_v_total_from_duration(
+ const struct dc_stream_state *stream,
+ const struct mod_vrr_params *vrr,
+ unsigned int duration_in_us)
+{
+ unsigned int v_total = 0;
+
+ if (duration_in_us < vrr->min_duration_in_us)
+ duration_in_us = vrr->min_duration_in_us;
+
+ if (duration_in_us > vrr->max_duration_in_us)
+ duration_in_us = vrr->max_duration_in_us;
+
+ if (dc_is_hdmi_signal(stream->signal)) {
+ uint32_t h_total_up_scaled;
+
+ h_total_up_scaled = stream->timing.h_total * 10000;
+ v_total = div_u64((unsigned long long)duration_in_us
+ * stream->timing.pix_clk_100hz + (h_total_up_scaled - 1),
+ h_total_up_scaled);
+ } else {
+ v_total = div64_u64(div64_u64(((unsigned long long)(
+ duration_in_us) * (stream->timing.pix_clk_100hz / 10)),
+ stream->timing.h_total), 1000);
+ }
+
+ /* v_total cannot be less than nominal */
+ if (v_total < stream->timing.v_total) {
+ ASSERT(v_total < stream->timing.v_total);
+ v_total = stream->timing.v_total;
+ }
+
+ return v_total;
+}
+
+static void update_v_total_for_static_ramp(
+ struct core_freesync *core_freesync,
+ const struct dc_stream_state *stream,
+ struct mod_vrr_params *in_out_vrr)
+{
+ unsigned int v_total = 0;
+ unsigned int current_duration_in_us =
+ calc_duration_in_us_from_v_total(
+ stream, in_out_vrr,
+ in_out_vrr->adjust.v_total_max);
+ unsigned int target_duration_in_us =
+ calc_duration_in_us_from_refresh_in_uhz(
+ in_out_vrr->fixed.target_refresh_in_uhz);
+ bool ramp_direction_is_up = (current_duration_in_us >
+ target_duration_in_us) ? true : false;
+
+ /* Calculate ratio between new and current frame duration with 3 digit */
+ unsigned int frame_duration_ratio = div64_u64(1000000,
+ (1000 + div64_u64(((unsigned long long)(
+ STATIC_SCREEN_RAMP_DELTA_REFRESH_RATE_PER_FRAME) *
+ current_duration_in_us),
+ 1000000)));
+
+ /* Calculate delta between new and current frame duration in us */
+ unsigned int frame_duration_delta = div64_u64(((unsigned long long)(
+ current_duration_in_us) *
+ (1000 - frame_duration_ratio)), 1000);
+
+ /* Adjust frame duration delta based on ratio between current and
+ * standard frame duration (frame duration at 60 Hz refresh rate).
+ */
+ unsigned int ramp_rate_interpolated = div64_u64(((unsigned long long)(
+ frame_duration_delta) * current_duration_in_us), 16666);
+
+ /* Going to a higher refresh rate (lower frame duration) */
+ if (ramp_direction_is_up) {
+ /* Reduce frame duration */
+ current_duration_in_us -= ramp_rate_interpolated;
+
+ /* Adjust for frame duration below min */
+ if (current_duration_in_us <= target_duration_in_us) {
+ in_out_vrr->fixed.ramping_active = false;
+ in_out_vrr->fixed.ramping_done = true;
+ current_duration_in_us =
+ calc_duration_in_us_from_refresh_in_uhz(
+ in_out_vrr->fixed.target_refresh_in_uhz);
+ }
+ /* Going to a lower refresh rate (larger frame duration) */
+ } else {
+ /* Increase frame duration */
+ current_duration_in_us += ramp_rate_interpolated;
+
+ /* Adjust for frame duration above max */
+ if (current_duration_in_us >= target_duration_in_us) {
+ in_out_vrr->fixed.ramping_active = false;
+ in_out_vrr->fixed.ramping_done = true;
+ current_duration_in_us =
+ calc_duration_in_us_from_refresh_in_uhz(
+ in_out_vrr->fixed.target_refresh_in_uhz);
+ }
+ }
+
+ v_total = div64_u64(div64_u64(((unsigned long long)(
+ current_duration_in_us) * (stream->timing.pix_clk_100hz / 10)),
+ stream->timing.h_total), 1000);
+
+ /* v_total cannot be less than nominal */
+ if (v_total < stream->timing.v_total)
+ v_total = stream->timing.v_total;
+
+ in_out_vrr->adjust.v_total_min = v_total;
+ in_out_vrr->adjust.v_total_max = v_total;
+}
+
+static void apply_below_the_range(struct core_freesync *core_freesync,
+ const struct dc_stream_state *stream,
+ unsigned int last_render_time_in_us,
+ struct mod_vrr_params *in_out_vrr)
+{
+ unsigned int inserted_frame_duration_in_us = 0;
+ unsigned int mid_point_frames_ceil = 0;
+ unsigned int mid_point_frames_floor = 0;
+ unsigned int frame_time_in_us = 0;
+ unsigned int delta_from_mid_point_in_us_1 = 0xFFFFFFFF;
+ unsigned int delta_from_mid_point_in_us_2 = 0xFFFFFFFF;
+ unsigned int frames_to_insert = 0;
+ unsigned int delta_from_mid_point_delta_in_us;
+ unsigned int max_render_time_in_us =
+ in_out_vrr->max_duration_in_us - in_out_vrr->btr.margin_in_us;
+
+ /* Program BTR */
+ if ((last_render_time_in_us + in_out_vrr->btr.margin_in_us / 2) < max_render_time_in_us) {
+ /* Exit Below the Range */
+ if (in_out_vrr->btr.btr_active) {
+ in_out_vrr->btr.frame_counter = 0;
+ in_out_vrr->btr.btr_active = false;
+ }
+ } else if (last_render_time_in_us > (max_render_time_in_us + in_out_vrr->btr.margin_in_us / 2)) {
+ /* Enter Below the Range */
+ if (!in_out_vrr->btr.btr_active) {
+ in_out_vrr->btr.btr_active = true;
+ }
+ }
+
+ /* BTR set to "not active" so disengage */
+ if (!in_out_vrr->btr.btr_active) {
+ in_out_vrr->btr.inserted_duration_in_us = 0;
+ in_out_vrr->btr.frames_to_insert = 0;
+ in_out_vrr->btr.frame_counter = 0;
+
+ /* Restore FreeSync */
+ in_out_vrr->adjust.v_total_min =
+ mod_freesync_calc_v_total_from_refresh(stream,
+ in_out_vrr->max_refresh_in_uhz);
+ in_out_vrr->adjust.v_total_max =
+ mod_freesync_calc_v_total_from_refresh(stream,
+ in_out_vrr->min_refresh_in_uhz);
+ /* BTR set to "active" so engage */
+ } else {
+
+ /* Calculate number of midPoint frames that could fit within
+ * the render time interval - take ceil of this value
+ */
+ mid_point_frames_ceil = (last_render_time_in_us +
+ in_out_vrr->btr.mid_point_in_us - 1) /
+ in_out_vrr->btr.mid_point_in_us;
+
+ if (mid_point_frames_ceil > 0) {
+ frame_time_in_us = last_render_time_in_us /
+ mid_point_frames_ceil;
+ delta_from_mid_point_in_us_1 =
+ (in_out_vrr->btr.mid_point_in_us >
+ frame_time_in_us) ?
+ (in_out_vrr->btr.mid_point_in_us - frame_time_in_us) :
+ (frame_time_in_us - in_out_vrr->btr.mid_point_in_us);
+ }
+
+ /* Calculate number of midPoint frames that could fit within
+ * the render time interval - take floor of this value
+ */
+ mid_point_frames_floor = last_render_time_in_us /
+ in_out_vrr->btr.mid_point_in_us;
+
+ if (mid_point_frames_floor > 0) {
+
+ frame_time_in_us = last_render_time_in_us /
+ mid_point_frames_floor;
+ delta_from_mid_point_in_us_2 =
+ (in_out_vrr->btr.mid_point_in_us >
+ frame_time_in_us) ?
+ (in_out_vrr->btr.mid_point_in_us - frame_time_in_us) :
+ (frame_time_in_us - in_out_vrr->btr.mid_point_in_us);
+ }
+
+ /* Choose number of frames to insert based on how close it
+ * can get to the mid point of the variable range.
+ * - Delta for CEIL: delta_from_mid_point_in_us_1
+ * - Delta for FLOOR: delta_from_mid_point_in_us_2
+ */
+ if (mid_point_frames_ceil &&
+ (last_render_time_in_us / mid_point_frames_ceil) <
+ in_out_vrr->min_duration_in_us) {
+ /* Check for out of range.
+ * If using CEIL produces a value that is out of range,
+ * then we are forced to use FLOOR.
+ */
+ frames_to_insert = mid_point_frames_floor;
+ } else if (mid_point_frames_floor < 2) {
+ /* Check if FLOOR would result in non-LFC. In this case
+ * choose to use CEIL
+ */
+ frames_to_insert = mid_point_frames_ceil;
+ } else if (delta_from_mid_point_in_us_1 < delta_from_mid_point_in_us_2) {
+ /* If choosing CEIL results in a frame duration that is
+ * closer to the mid point of the range.
+ * Choose CEIL
+ */
+ frames_to_insert = mid_point_frames_ceil;
+ } else {
+ /* If choosing FLOOR results in a frame duration that is
+ * closer to the mid point of the range.
+ * Choose FLOOR
+ */
+ frames_to_insert = mid_point_frames_floor;
+ }
+
+ /* Prefer current frame multiplier when BTR is enabled unless it drifts
+ * too far from the midpoint
+ */
+ if (delta_from_mid_point_in_us_1 < delta_from_mid_point_in_us_2) {
+ delta_from_mid_point_delta_in_us = delta_from_mid_point_in_us_2 -
+ delta_from_mid_point_in_us_1;
+ } else {
+ delta_from_mid_point_delta_in_us = delta_from_mid_point_in_us_1 -
+ delta_from_mid_point_in_us_2;
+ }
+ if (in_out_vrr->btr.frames_to_insert != 0 &&
+ delta_from_mid_point_delta_in_us < BTR_DRIFT_MARGIN) {
+ if (((last_render_time_in_us / in_out_vrr->btr.frames_to_insert) <
+ max_render_time_in_us) &&
+ ((last_render_time_in_us / in_out_vrr->btr.frames_to_insert) >
+ in_out_vrr->min_duration_in_us))
+ frames_to_insert = in_out_vrr->btr.frames_to_insert;
+ }
+
+ /* Either we've calculated the number of frames to insert,
+ * or we need to insert min duration frames
+ */
+ if (frames_to_insert &&
+ (last_render_time_in_us / frames_to_insert) <
+ in_out_vrr->min_duration_in_us){
+ frames_to_insert -= (frames_to_insert > 1) ?
+ 1 : 0;
+ }
+
+ if (frames_to_insert > 0)
+ inserted_frame_duration_in_us = last_render_time_in_us /
+ frames_to_insert;
+
+ if (inserted_frame_duration_in_us < in_out_vrr->min_duration_in_us)
+ inserted_frame_duration_in_us = in_out_vrr->min_duration_in_us;
+
+ /* Cache the calculated variables */
+ in_out_vrr->btr.inserted_duration_in_us =
+ inserted_frame_duration_in_us;
+ in_out_vrr->btr.frames_to_insert = frames_to_insert;
+ in_out_vrr->btr.frame_counter = frames_to_insert;
+ }
+}
+
+static void apply_fixed_refresh(struct core_freesync *core_freesync,
+ const struct dc_stream_state *stream,
+ unsigned int last_render_time_in_us,
+ struct mod_vrr_params *in_out_vrr)
+{
+ bool update = false;
+ unsigned int max_render_time_in_us = in_out_vrr->max_duration_in_us;
+
+ /* Compute the exit refresh rate and exit frame duration */
+ unsigned int exit_refresh_rate_in_milli_hz = ((1000000000/max_render_time_in_us)
+ + (1000*FIXED_REFRESH_EXIT_MARGIN_IN_HZ));
+ unsigned int exit_frame_duration_in_us = 1000000000/exit_refresh_rate_in_milli_hz;
+
+ if (last_render_time_in_us < exit_frame_duration_in_us) {
+ /* Exit Fixed Refresh mode */
+ if (in_out_vrr->fixed.fixed_active) {
+ in_out_vrr->fixed.frame_counter++;
+
+ if (in_out_vrr->fixed.frame_counter >
+ FIXED_REFRESH_EXIT_FRAME_COUNT) {
+ in_out_vrr->fixed.frame_counter = 0;
+ in_out_vrr->fixed.fixed_active = false;
+ in_out_vrr->fixed.target_refresh_in_uhz = 0;
+ update = true;
+ }
+ } else
+ in_out_vrr->fixed.frame_counter = 0;
+ } else if (last_render_time_in_us > max_render_time_in_us) {
+ /* Enter Fixed Refresh mode */
+ if (!in_out_vrr->fixed.fixed_active) {
+ in_out_vrr->fixed.frame_counter++;
+
+ if (in_out_vrr->fixed.frame_counter >
+ FIXED_REFRESH_ENTER_FRAME_COUNT) {
+ in_out_vrr->fixed.frame_counter = 0;
+ in_out_vrr->fixed.fixed_active = true;
+ in_out_vrr->fixed.target_refresh_in_uhz =
+ in_out_vrr->max_refresh_in_uhz;
+ update = true;
+ }
+ } else
+ in_out_vrr->fixed.frame_counter = 0;
+ }
+
+ if (update) {
+ if (in_out_vrr->fixed.fixed_active) {
+ in_out_vrr->adjust.v_total_min =
+ mod_freesync_calc_v_total_from_refresh(
+ stream, in_out_vrr->max_refresh_in_uhz);
+ in_out_vrr->adjust.v_total_max =
+ in_out_vrr->adjust.v_total_min;
+ } else {
+ in_out_vrr->adjust.v_total_min =
+ mod_freesync_calc_v_total_from_refresh(stream,
+ in_out_vrr->max_refresh_in_uhz);
+ in_out_vrr->adjust.v_total_max =
+ mod_freesync_calc_v_total_from_refresh(stream,
+ in_out_vrr->min_refresh_in_uhz);
+ }
+ }
+}
+
+static void determine_flip_interval_workaround_req(struct mod_vrr_params *in_vrr,
+ unsigned int curr_time_stamp_in_us)
+{
+ in_vrr->flip_interval.vsync_to_flip_in_us = curr_time_stamp_in_us -
+ in_vrr->flip_interval.v_update_timestamp_in_us;
+
+ /* Determine conditions for stopping workaround */
+ if (in_vrr->flip_interval.flip_interval_workaround_active &&
+ in_vrr->flip_interval.vsyncs_between_flip < VSYNCS_BETWEEN_FLIP_THRESHOLD &&
+ in_vrr->flip_interval.vsync_to_flip_in_us > FREESYNC_VSYNC_TO_FLIP_DELTA_IN_US) {
+ in_vrr->flip_interval.flip_interval_detect_counter = 0;
+ in_vrr->flip_interval.program_flip_interval_workaround = true;
+ in_vrr->flip_interval.flip_interval_workaround_active = false;
+ } else {
+ /* Determine conditions for starting workaround */
+ if (in_vrr->flip_interval.vsyncs_between_flip >= VSYNCS_BETWEEN_FLIP_THRESHOLD &&
+ in_vrr->flip_interval.vsync_to_flip_in_us < FREESYNC_VSYNC_TO_FLIP_DELTA_IN_US) {
+ /* Increase flip interval counter we have 2 vsyncs between flips and
+ * vsync to flip interval is less than 500us
+ */
+ in_vrr->flip_interval.flip_interval_detect_counter++;
+ if (in_vrr->flip_interval.flip_interval_detect_counter > FREESYNC_CONSEC_FLIP_AFTER_VSYNC) {
+ /* Start workaround if we detect 5 consecutive instances of the above case */
+ in_vrr->flip_interval.program_flip_interval_workaround = true;
+ in_vrr->flip_interval.flip_interval_workaround_active = true;
+ }
+ } else {
+ /* Reset the flip interval counter if we condition is no longer met */
+ in_vrr->flip_interval.flip_interval_detect_counter = 0;
+ }
+ }
+
+ in_vrr->flip_interval.vsyncs_between_flip = 0;
+}
+
+static bool vrr_settings_require_update(struct core_freesync *core_freesync,
+ struct mod_freesync_config *in_config,
+ unsigned int min_refresh_in_uhz,
+ unsigned int max_refresh_in_uhz,
+ struct mod_vrr_params *in_vrr)
+{
+ if (in_vrr->state != in_config->state) {
+ return true;
+ } else if (in_vrr->state == VRR_STATE_ACTIVE_FIXED &&
+ in_vrr->fixed.target_refresh_in_uhz !=
+ in_config->fixed_refresh_in_uhz) {
+ return true;
+ } else if (in_vrr->min_refresh_in_uhz != min_refresh_in_uhz) {
+ return true;
+ } else if (in_vrr->max_refresh_in_uhz != max_refresh_in_uhz) {
+ return true;
+ }
+
+ return false;
+}
+
+bool mod_freesync_get_vmin_vmax(struct mod_freesync *mod_freesync,
+ const struct dc_stream_state *stream,
+ unsigned int *vmin,
+ unsigned int *vmax)
+{
+ *vmin = stream->adjust.v_total_min;
+ *vmax = stream->adjust.v_total_max;
+
+ return true;
+}
+
+bool mod_freesync_get_v_position(struct mod_freesync *mod_freesync,
+ struct dc_stream_state *stream,
+ unsigned int *nom_v_pos,
+ unsigned int *v_pos)
+{
+ struct core_freesync *core_freesync = NULL;
+ struct crtc_position position;
+
+ if (mod_freesync == NULL)
+ return false;
+
+ core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
+
+ if (dc_stream_get_crtc_position(core_freesync->dc, &stream, 1,
+ &position.vertical_count,
+ &position.nominal_vcount)) {
+
+ *nom_v_pos = position.nominal_vcount;
+ *v_pos = position.vertical_count;
+
+ return true;
+ }
+
+ return false;
+}
+
+static void build_vrr_infopacket_data_v1(const struct mod_vrr_params *vrr,
+ struct dc_info_packet *infopacket,
+ bool freesync_on_desktop)
+{
+ /* PB1 = 0x1A (24bit AMD IEEE OUI (0x00001A) - Byte 0) */
+ infopacket->sb[1] = 0x1A;
+
+ /* PB2 = 0x00 (24bit AMD IEEE OUI (0x00001A) - Byte 1) */
+ infopacket->sb[2] = 0x00;
+
+ /* PB3 = 0x00 (24bit AMD IEEE OUI (0x00001A) - Byte 2) */
+ infopacket->sb[3] = 0x00;
+
+ /* PB4 = Reserved */
+
+ /* PB5 = Reserved */
+
+ /* PB6 = [Bits 7:3 = Reserved] */
+
+ /* PB6 = [Bit 0 = FreeSync Supported] */
+ if (vrr->state != VRR_STATE_UNSUPPORTED)
+ infopacket->sb[6] |= 0x01;
+
+ /* PB6 = [Bit 1 = FreeSync Enabled] */
+ if (vrr->state != VRR_STATE_DISABLED &&
+ vrr->state != VRR_STATE_UNSUPPORTED)
+ infopacket->sb[6] |= 0x02;
+
+ if (freesync_on_desktop) {
+ /* PB6 = [Bit 2 = FreeSync Active] */
+ if (vrr->state != VRR_STATE_DISABLED &&
+ vrr->state != VRR_STATE_UNSUPPORTED)
+ infopacket->sb[6] |= 0x04;
+ } else {
+ if (vrr->state == VRR_STATE_ACTIVE_VARIABLE ||
+ vrr->state == VRR_STATE_ACTIVE_FIXED)
+ infopacket->sb[6] |= 0x04;
+ }
+
+ // For v1 & 2 infoframes program nominal if non-fs mode, otherwise full range
+ /* PB7 = FreeSync Minimum refresh rate (Hz) */
+ if (vrr->state == VRR_STATE_ACTIVE_VARIABLE ||
+ vrr->state == VRR_STATE_ACTIVE_FIXED) {
+ infopacket->sb[7] = (unsigned char)((vrr->min_refresh_in_uhz + 500000) / 1000000);
+ } else {
+ infopacket->sb[7] = (unsigned char)((vrr->max_refresh_in_uhz + 500000) / 1000000);
+ }
+
+ /* PB8 = FreeSync Maximum refresh rate (Hz)
+ * Note: We should never go above the field rate of the mode timing set.
+ */
+ infopacket->sb[8] = (unsigned char)((vrr->max_refresh_in_uhz + 500000) / 1000000);
+}
+
+static void build_vrr_infopacket_data_v3(const struct mod_vrr_params *vrr,
+ struct dc_info_packet *infopacket)
+{
+ unsigned int min_refresh;
+ unsigned int max_refresh;
+ unsigned int fixed_refresh;
+ unsigned int min_programmed;
+ unsigned int max_programmed;
+
+ /* PB1 = 0x1A (24bit AMD IEEE OUI (0x00001A) - Byte 0) */
+ infopacket->sb[1] = 0x1A;
+
+ /* PB2 = 0x00 (24bit AMD IEEE OUI (0x00001A) - Byte 1) */
+ infopacket->sb[2] = 0x00;
+
+ /* PB3 = 0x00 (24bit AMD IEEE OUI (0x00001A) - Byte 2) */
+ infopacket->sb[3] = 0x00;
+
+ /* PB4 = Reserved */
+
+ /* PB5 = Reserved */
+
+ /* PB6 = [Bits 7:3 = Reserved] */
+
+ /* PB6 = [Bit 0 = FreeSync Supported] */
+ if (vrr->state != VRR_STATE_UNSUPPORTED)
+ infopacket->sb[6] |= 0x01;
+
+ /* PB6 = [Bit 1 = FreeSync Enabled] */
+ if (vrr->state != VRR_STATE_DISABLED &&
+ vrr->state != VRR_STATE_UNSUPPORTED)
+ infopacket->sb[6] |= 0x02;
+
+ /* PB6 = [Bit 2 = FreeSync Active] */
+ if (vrr->state == VRR_STATE_ACTIVE_VARIABLE ||
+ vrr->state == VRR_STATE_ACTIVE_FIXED)
+ infopacket->sb[6] |= 0x04;
+
+ min_refresh = (vrr->min_refresh_in_uhz + 500000) / 1000000;
+ max_refresh = (vrr->max_refresh_in_uhz + 500000) / 1000000;
+ fixed_refresh = (vrr->fixed_refresh_in_uhz + 500000) / 1000000;
+
+ min_programmed = (vrr->state == VRR_STATE_ACTIVE_FIXED) ? fixed_refresh :
+ (vrr->state == VRR_STATE_ACTIVE_VARIABLE) ? min_refresh :
+ (vrr->state == VRR_STATE_INACTIVE) ? min_refresh :
+ max_refresh; // Non-fs case, program nominal range
+
+ max_programmed = (vrr->state == VRR_STATE_ACTIVE_FIXED) ? fixed_refresh :
+ (vrr->state == VRR_STATE_ACTIVE_VARIABLE) ? max_refresh :
+ max_refresh;// Non-fs case, program nominal range
+
+ /* PB7 = FreeSync Minimum refresh rate (Hz) */
+ infopacket->sb[7] = min_programmed & 0xFF;
+
+ /* PB8 = FreeSync Maximum refresh rate (Hz) */
+ infopacket->sb[8] = max_programmed & 0xFF;
+
+ /* PB11 : MSB FreeSync Minimum refresh rate [Hz] - bits 9:8 */
+ infopacket->sb[11] = (min_programmed >> 8) & 0x03;
+
+ /* PB12 : MSB FreeSync Maximum refresh rate [Hz] - bits 9:8 */
+ infopacket->sb[12] = (max_programmed >> 8) & 0x03;
+
+ /* PB16 : Reserved bits 7:1, FixedRate bit 0 */
+ infopacket->sb[16] = (vrr->state == VRR_STATE_ACTIVE_FIXED) ? 1 : 0;
+}
+
+static void build_vrr_infopacket_fs2_data(enum color_transfer_func app_tf,
+ struct dc_info_packet *infopacket)
+{
+ if (app_tf != TRANSFER_FUNC_UNKNOWN) {
+ infopacket->valid = true;
+
+ infopacket->sb[6] |= 0x08; // PB6 = [Bit 3 = Native Color Active]
+
+ if (app_tf == TRANSFER_FUNC_GAMMA_22) {
+ infopacket->sb[9] |= 0x04; // PB6 = [Bit 2 = Gamma 2.2 EOTF Active]
+ }
+ }
+}
+
+static void build_vrr_infopacket_header_v1(enum signal_type signal,
+ struct dc_info_packet *infopacket,
+ unsigned int *payload_size)
+{
+ if (dc_is_hdmi_signal(signal)) {
+
+ /* HEADER */
+
+ /* HB0 = Packet Type = 0x83 (Source Product
+ * Descriptor InfoFrame)
+ */
+ infopacket->hb0 = DC_HDMI_INFOFRAME_TYPE_SPD;
+
+ /* HB1 = Version = 0x01 */
+ infopacket->hb1 = 0x01;
+
+ /* HB2 = [Bits 7:5 = 0] [Bits 4:0 = Length = 0x08] */
+ infopacket->hb2 = 0x08;
+
+ *payload_size = 0x08;
+
+ } else if (dc_is_dp_signal(signal)) {
+
+ /* HEADER */
+
+ /* HB0 = Secondary-data Packet ID = 0 - Only non-zero
+ * when used to associate audio related info packets
+ */
+ infopacket->hb0 = 0x00;
+
+ /* HB1 = Packet Type = 0x83 (Source Product
+ * Descriptor InfoFrame)
+ */
+ infopacket->hb1 = DC_HDMI_INFOFRAME_TYPE_SPD;
+
+ /* HB2 = [Bits 7:0 = Least significant eight bits -
+ * For INFOFRAME, the value must be 1Bh]
+ */
+ infopacket->hb2 = 0x1B;
+
+ /* HB3 = [Bits 7:2 = INFOFRAME SDP Version Number = 0x1]
+ * [Bits 1:0 = Most significant two bits = 0x00]
+ */
+ infopacket->hb3 = 0x04;
+
+ *payload_size = 0x1B;
+ }
+}
+
+static void build_vrr_infopacket_header_v2(enum signal_type signal,
+ struct dc_info_packet *infopacket,
+ unsigned int *payload_size)
+{
+ if (dc_is_hdmi_signal(signal)) {
+
+ /* HEADER */
+
+ /* HB0 = Packet Type = 0x83 (Source Product
+ * Descriptor InfoFrame)
+ */
+ infopacket->hb0 = DC_HDMI_INFOFRAME_TYPE_SPD;
+
+ /* HB1 = Version = 0x02 */
+ infopacket->hb1 = 0x02;
+
+ /* HB2 = [Bits 7:5 = 0] [Bits 4:0 = Length = 0x09] */
+ infopacket->hb2 = 0x09;
+
+ *payload_size = 0x09;
+ } else if (dc_is_dp_signal(signal)) {
+
+ /* HEADER */
+
+ /* HB0 = Secondary-data Packet ID = 0 - Only non-zero
+ * when used to associate audio related info packets
+ */
+ infopacket->hb0 = 0x00;
+
+ /* HB1 = Packet Type = 0x83 (Source Product
+ * Descriptor InfoFrame)
+ */
+ infopacket->hb1 = DC_HDMI_INFOFRAME_TYPE_SPD;
+
+ /* HB2 = [Bits 7:0 = Least significant eight bits -
+ * For INFOFRAME, the value must be 1Bh]
+ */
+ infopacket->hb2 = 0x1B;
+
+ /* HB3 = [Bits 7:2 = INFOFRAME SDP Version Number = 0x2]
+ * [Bits 1:0 = Most significant two bits = 0x00]
+ */
+ infopacket->hb3 = 0x08;
+
+ *payload_size = 0x1B;
+ }
+}
+
+static void build_vrr_infopacket_header_v3(enum signal_type signal,
+ struct dc_info_packet *infopacket,
+ unsigned int *payload_size)
+{
+ unsigned char version;
+
+ version = 3;
+ if (dc_is_hdmi_signal(signal)) {
+
+ /* HEADER */
+
+ /* HB0 = Packet Type = 0x83 (Source Product
+ * Descriptor InfoFrame)
+ */
+ infopacket->hb0 = DC_HDMI_INFOFRAME_TYPE_SPD;
+
+ /* HB1 = Version = 0x03 */
+ infopacket->hb1 = version;
+
+ /* HB2 = [Bits 7:5 = 0] [Bits 4:0 = Length] */
+ infopacket->hb2 = 0x10;
+
+ *payload_size = 0x10;
+ } else if (dc_is_dp_signal(signal)) {
+
+ /* HEADER */
+
+ /* HB0 = Secondary-data Packet ID = 0 - Only non-zero
+ * when used to associate audio related info packets
+ */
+ infopacket->hb0 = 0x00;
+
+ /* HB1 = Packet Type = 0x83 (Source Product
+ * Descriptor InfoFrame)
+ */
+ infopacket->hb1 = DC_HDMI_INFOFRAME_TYPE_SPD;
+
+ /* HB2 = [Bits 7:0 = Least significant eight bits -
+ * For INFOFRAME, the value must be 1Bh]
+ */
+ infopacket->hb2 = 0x1B;
+
+ /* HB3 = [Bits 7:2 = INFOFRAME SDP Version Number = 0x2]
+ * [Bits 1:0 = Most significant two bits = 0x00]
+ */
+
+ infopacket->hb3 = (version & 0x3F) << 2;
+
+ *payload_size = 0x1B;
+ }
+}
+
+static void build_vrr_infopacket_checksum(unsigned int *payload_size,
+ struct dc_info_packet *infopacket)
+{
+ /* Calculate checksum */
+ unsigned int idx = 0;
+ unsigned char checksum = 0;
+
+ checksum += infopacket->hb0;
+ checksum += infopacket->hb1;
+ checksum += infopacket->hb2;
+ checksum += infopacket->hb3;
+
+ for (idx = 1; idx <= *payload_size; idx++)
+ checksum += infopacket->sb[idx];
+
+ /* PB0 = Checksum (one byte complement) */
+ infopacket->sb[0] = (unsigned char)(0x100 - checksum);
+
+ infopacket->valid = true;
+}
+
+static void build_vrr_infopacket_v1(enum signal_type signal,
+ const struct mod_vrr_params *vrr,
+ struct dc_info_packet *infopacket,
+ bool freesync_on_desktop)
+{
+ /* SPD info packet for FreeSync */
+ unsigned int payload_size = 0;
+
+ build_vrr_infopacket_header_v1(signal, infopacket, &payload_size);
+ build_vrr_infopacket_data_v1(vrr, infopacket, freesync_on_desktop);
+ build_vrr_infopacket_checksum(&payload_size, infopacket);
+
+ infopacket->valid = true;
+}
+
+static void build_vrr_infopacket_v2(enum signal_type signal,
+ const struct mod_vrr_params *vrr,
+ enum color_transfer_func app_tf,
+ struct dc_info_packet *infopacket,
+ bool freesync_on_desktop)
+{
+ unsigned int payload_size = 0;
+
+ build_vrr_infopacket_header_v2(signal, infopacket, &payload_size);
+ build_vrr_infopacket_data_v1(vrr, infopacket, freesync_on_desktop);
+
+ build_vrr_infopacket_fs2_data(app_tf, infopacket);
+
+ build_vrr_infopacket_checksum(&payload_size, infopacket);
+
+ infopacket->valid = true;
+}
+#ifndef TRIM_FSFT
+static void build_vrr_infopacket_fast_transport_data(
+ bool ftActive,
+ unsigned int ftOutputRate,
+ struct dc_info_packet *infopacket)
+{
+ /* PB9 : bit7 - fast transport Active*/
+ unsigned char activeBit = (ftActive) ? 1 << 7 : 0;
+
+ infopacket->sb[1] &= ~activeBit; //clear bit
+ infopacket->sb[1] |= activeBit; //set bit
+
+ /* PB13 : Target Output Pixel Rate [kHz] - bits 7:0 */
+ infopacket->sb[13] = ftOutputRate & 0xFF;
+
+ /* PB14 : Target Output Pixel Rate [kHz] - bits 15:8 */
+ infopacket->sb[14] = (ftOutputRate >> 8) & 0xFF;
+
+ /* PB15 : Target Output Pixel Rate [kHz] - bits 23:16 */
+ infopacket->sb[15] = (ftOutputRate >> 16) & 0xFF;
+
+}
+#endif
+
+static void build_vrr_infopacket_v3(enum signal_type signal,
+ const struct mod_vrr_params *vrr,
+#ifndef TRIM_FSFT
+ bool ftActive, unsigned int ftOutputRate,
+#endif
+ enum color_transfer_func app_tf,
+ struct dc_info_packet *infopacket)
+{
+ unsigned int payload_size = 0;
+
+ build_vrr_infopacket_header_v3(signal, infopacket, &payload_size);
+ build_vrr_infopacket_data_v3(vrr, infopacket);
+
+ build_vrr_infopacket_fs2_data(app_tf, infopacket);
+
+#ifndef TRIM_FSFT
+ build_vrr_infopacket_fast_transport_data(
+ ftActive,
+ ftOutputRate,
+ infopacket);
+#endif
+
+ build_vrr_infopacket_checksum(&payload_size, infopacket);
+
+ infopacket->valid = true;
+}
+
+static void build_vrr_infopacket_sdp_v1_3(enum vrr_packet_type packet_type,
+ struct dc_info_packet *infopacket)
+{
+ uint8_t idx = 0, size = 0;
+
+ size = ((packet_type == PACKET_TYPE_FS_V1) ? 0x08 :
+ (packet_type == PACKET_TYPE_FS_V3) ? 0x10 :
+ 0x09);
+
+ for (idx = infopacket->hb2; idx > 1; idx--) // Data Byte Count: 0x1B
+ infopacket->sb[idx] = infopacket->sb[idx-1];
+
+ infopacket->sb[1] = size; // Length
+ infopacket->sb[0] = (infopacket->hb3 >> 2) & 0x3F;//Version
+ infopacket->hb3 = (0x13 << 2); // Header,SDP 1.3
+ infopacket->hb2 = 0x1D;
+}
+
+void mod_freesync_build_vrr_infopacket(struct mod_freesync *mod_freesync,
+ const struct dc_stream_state *stream,
+ const struct mod_vrr_params *vrr,
+ enum vrr_packet_type packet_type,
+ enum color_transfer_func app_tf,
+ struct dc_info_packet *infopacket,
+ bool pack_sdp_v1_3)
+{
+ /* SPD info packet for FreeSync
+ * VTEM info packet for HdmiVRR
+ * Check if Freesync is supported. Return if false. If true,
+ * set the corresponding bit in the info packet
+ */
+ if (!vrr->send_info_frame)
+ return;
+
+ switch (packet_type) {
+ case PACKET_TYPE_FS_V3:
+#ifndef TRIM_FSFT
+ // always populate with pixel rate.
+ build_vrr_infopacket_v3(
+ stream->signal, vrr,
+ stream->timing.flags.FAST_TRANSPORT,
+ (stream->timing.flags.FAST_TRANSPORT) ?
+ stream->timing.fast_transport_output_rate_100hz :
+ stream->timing.pix_clk_100hz,
+ app_tf, infopacket);
+#else
+ build_vrr_infopacket_v3(stream->signal, vrr, app_tf, infopacket);
+#endif
+ break;
+ case PACKET_TYPE_FS_V2:
+ build_vrr_infopacket_v2(stream->signal, vrr, app_tf, infopacket, stream->freesync_on_desktop);
+ break;
+ case PACKET_TYPE_VRR:
+ case PACKET_TYPE_FS_V1:
+ default:
+ build_vrr_infopacket_v1(stream->signal, vrr, infopacket, stream->freesync_on_desktop);
+ }
+
+ if (true == pack_sdp_v1_3 &&
+ true == dc_is_dp_signal(stream->signal) &&
+ packet_type != PACKET_TYPE_VRR &&
+ packet_type != PACKET_TYPE_VTEM)
+ build_vrr_infopacket_sdp_v1_3(packet_type, infopacket);
+}
+
+void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync,
+ const struct dc_stream_state *stream,
+ struct mod_freesync_config *in_config,
+ struct mod_vrr_params *in_out_vrr)
+{
+ struct core_freesync *core_freesync = NULL;
+ unsigned long long nominal_field_rate_in_uhz = 0;
+ unsigned long long rounded_nominal_in_uhz = 0;
+ unsigned int refresh_range = 0;
+ unsigned long long min_refresh_in_uhz = 0;
+ unsigned long long max_refresh_in_uhz = 0;
+
+ if (mod_freesync == NULL)
+ return;
+
+ core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
+
+ /* Calculate nominal field rate for stream */
+ nominal_field_rate_in_uhz =
+ mod_freesync_calc_nominal_field_rate(stream);
+
+ min_refresh_in_uhz = in_config->min_refresh_in_uhz;
+ max_refresh_in_uhz = in_config->max_refresh_in_uhz;
+
+ /* Full range may be larger than current video timing, so cap at nominal */
+ if (max_refresh_in_uhz > nominal_field_rate_in_uhz)
+ max_refresh_in_uhz = nominal_field_rate_in_uhz;
+
+ /* Full range may be larger than current video timing, so cap at nominal */
+ if (min_refresh_in_uhz > max_refresh_in_uhz)
+ min_refresh_in_uhz = max_refresh_in_uhz;
+
+ /* If a monitor reports exactly max refresh of 2x of min, enforce it on nominal */
+ rounded_nominal_in_uhz =
+ div_u64(nominal_field_rate_in_uhz + 50000, 100000) * 100000;
+ if (in_config->max_refresh_in_uhz == (2 * in_config->min_refresh_in_uhz) &&
+ in_config->max_refresh_in_uhz == rounded_nominal_in_uhz)
+ min_refresh_in_uhz = div_u64(nominal_field_rate_in_uhz, 2);
+
+ if (!vrr_settings_require_update(core_freesync,
+ in_config, (unsigned int)min_refresh_in_uhz, (unsigned int)max_refresh_in_uhz,
+ in_out_vrr))
+ return;
+
+ in_out_vrr->state = in_config->state;
+ in_out_vrr->send_info_frame = in_config->vsif_supported;
+
+ if (in_config->state == VRR_STATE_UNSUPPORTED) {
+ in_out_vrr->state = VRR_STATE_UNSUPPORTED;
+ in_out_vrr->supported = false;
+ in_out_vrr->adjust.v_total_min = stream->timing.v_total;
+ in_out_vrr->adjust.v_total_max = stream->timing.v_total;
+
+ return;
+
+ } else {
+ in_out_vrr->min_refresh_in_uhz = (unsigned int)min_refresh_in_uhz;
+ in_out_vrr->max_duration_in_us =
+ calc_duration_in_us_from_refresh_in_uhz(
+ (unsigned int)min_refresh_in_uhz);
+
+ in_out_vrr->max_refresh_in_uhz = (unsigned int)max_refresh_in_uhz;
+ in_out_vrr->min_duration_in_us =
+ calc_duration_in_us_from_refresh_in_uhz(
+ (unsigned int)max_refresh_in_uhz);
+
+ if (in_config->state == VRR_STATE_ACTIVE_FIXED)
+ in_out_vrr->fixed_refresh_in_uhz = in_config->fixed_refresh_in_uhz;
+ else
+ in_out_vrr->fixed_refresh_in_uhz = 0;
+
+ refresh_range = div_u64(in_out_vrr->max_refresh_in_uhz + 500000, 1000000) -
++ div_u64(in_out_vrr->min_refresh_in_uhz + 500000, 1000000);
+
+ in_out_vrr->supported = true;
+ }
+
+ in_out_vrr->fixed.ramping_active = in_config->ramping;
+
+ in_out_vrr->btr.btr_enabled = in_config->btr;
+
+ if (in_out_vrr->max_refresh_in_uhz < (2 * in_out_vrr->min_refresh_in_uhz))
+ in_out_vrr->btr.btr_enabled = false;
+ else {
+ in_out_vrr->btr.margin_in_us = in_out_vrr->max_duration_in_us -
+ 2 * in_out_vrr->min_duration_in_us;
+ if (in_out_vrr->btr.margin_in_us > BTR_MAX_MARGIN)
+ in_out_vrr->btr.margin_in_us = BTR_MAX_MARGIN;
+ }
+
+ in_out_vrr->btr.btr_active = false;
+ in_out_vrr->btr.inserted_duration_in_us = 0;
+ in_out_vrr->btr.frames_to_insert = 0;
+ in_out_vrr->btr.frame_counter = 0;
+ in_out_vrr->fixed.fixed_active = false;
+ in_out_vrr->fixed.target_refresh_in_uhz = 0;
+
+ in_out_vrr->btr.mid_point_in_us =
+ (in_out_vrr->min_duration_in_us +
+ in_out_vrr->max_duration_in_us) / 2;
+
+ if (in_out_vrr->state == VRR_STATE_UNSUPPORTED) {
+ in_out_vrr->adjust.v_total_min = stream->timing.v_total;
+ in_out_vrr->adjust.v_total_max = stream->timing.v_total;
+ } else if (in_out_vrr->state == VRR_STATE_DISABLED) {
+ in_out_vrr->adjust.v_total_min = stream->timing.v_total;
+ in_out_vrr->adjust.v_total_max = stream->timing.v_total;
+ } else if (in_out_vrr->state == VRR_STATE_INACTIVE) {
+ in_out_vrr->adjust.v_total_min = stream->timing.v_total;
+ in_out_vrr->adjust.v_total_max = stream->timing.v_total;
+ } else if (in_out_vrr->state == VRR_STATE_ACTIVE_VARIABLE &&
+ refresh_range >= MIN_REFRESH_RANGE) {
+
+ in_out_vrr->adjust.v_total_min =
+ mod_freesync_calc_v_total_from_refresh(stream,
+ in_out_vrr->max_refresh_in_uhz);
+ in_out_vrr->adjust.v_total_max =
+ mod_freesync_calc_v_total_from_refresh(stream,
+ in_out_vrr->min_refresh_in_uhz);
+ } else if (in_out_vrr->state == VRR_STATE_ACTIVE_FIXED) {
+ in_out_vrr->fixed.target_refresh_in_uhz =
+ in_out_vrr->fixed_refresh_in_uhz;
+ if (in_out_vrr->fixed.ramping_active &&
+ in_out_vrr->fixed.fixed_active) {
+ /* Do not update vtotals if ramping is already active
+ * in order to continue ramp from current refresh.
+ */
+ in_out_vrr->fixed.fixed_active = true;
+ } else {
+ in_out_vrr->fixed.fixed_active = true;
+ in_out_vrr->adjust.v_total_min =
+ mod_freesync_calc_v_total_from_refresh(stream,
+ in_out_vrr->fixed.target_refresh_in_uhz);
+ in_out_vrr->adjust.v_total_max =
+ in_out_vrr->adjust.v_total_min;
+ }
+ } else {
+ in_out_vrr->state = VRR_STATE_INACTIVE;
+ in_out_vrr->adjust.v_total_min = stream->timing.v_total;
+ in_out_vrr->adjust.v_total_max = stream->timing.v_total;
+ }
+}
+
+void mod_freesync_handle_preflip(struct mod_freesync *mod_freesync,
+ const struct dc_plane_state *plane,
+ const struct dc_stream_state *stream,
+ unsigned int curr_time_stamp_in_us,
+ struct mod_vrr_params *in_out_vrr)
+{
+ struct core_freesync *core_freesync = NULL;
+ unsigned int last_render_time_in_us = 0;
+ unsigned int average_render_time_in_us = 0;
+
+ if (mod_freesync == NULL)
+ return;
+
+ core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
+
+ if (in_out_vrr->supported &&
+ in_out_vrr->state == VRR_STATE_ACTIVE_VARIABLE) {
+ unsigned int i = 0;
+ unsigned int oldest_index = plane->time.index + 1;
+
+ if (oldest_index >= DC_PLANE_UPDATE_TIMES_MAX)
+ oldest_index = 0;
+
+ last_render_time_in_us = curr_time_stamp_in_us -
+ plane->time.prev_update_time_in_us;
+
+ /* Sum off all entries except oldest one */
+ for (i = 0; i < DC_PLANE_UPDATE_TIMES_MAX; i++) {
+ average_render_time_in_us +=
+ plane->time.time_elapsed_in_us[i];
+ }
+ average_render_time_in_us -=
+ plane->time.time_elapsed_in_us[oldest_index];
+
+ /* Add render time for current flip */
+ average_render_time_in_us += last_render_time_in_us;
+ average_render_time_in_us /= DC_PLANE_UPDATE_TIMES_MAX;
+
+ if (in_out_vrr->btr.btr_enabled) {
+ apply_below_the_range(core_freesync,
+ stream,
+ last_render_time_in_us,
+ in_out_vrr);
+ } else {
+ apply_fixed_refresh(core_freesync,
+ stream,
+ last_render_time_in_us,
+ in_out_vrr);
+ }
+
+ determine_flip_interval_workaround_req(in_out_vrr,
+ curr_time_stamp_in_us);
+
+ }
+}
+
+void mod_freesync_handle_v_update(struct mod_freesync *mod_freesync,
+ const struct dc_stream_state *stream,
+ struct mod_vrr_params *in_out_vrr)
+{
+ struct core_freesync *core_freesync = NULL;
+ unsigned int cur_timestamp_in_us;
+ unsigned long long cur_tick;
+
+ if ((mod_freesync == NULL) || (stream == NULL) || (in_out_vrr == NULL))
+ return;
+
+ core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
+
+ if (in_out_vrr->supported == false)
+ return;
+
+ cur_tick = dm_get_timestamp(core_freesync->dc->ctx);
+ cur_timestamp_in_us = (unsigned int)
+ div_u64(dm_get_elapse_time_in_ns(core_freesync->dc->ctx, cur_tick, 0), 1000);
+
+ in_out_vrr->flip_interval.vsyncs_between_flip++;
+ in_out_vrr->flip_interval.v_update_timestamp_in_us = cur_timestamp_in_us;
+
+ if (in_out_vrr->state == VRR_STATE_ACTIVE_VARIABLE &&
+ (in_out_vrr->flip_interval.flip_interval_workaround_active ||
+ (!in_out_vrr->flip_interval.flip_interval_workaround_active &&
+ in_out_vrr->flip_interval.program_flip_interval_workaround))) {
+ // set freesync vmin vmax to nominal for workaround
+ in_out_vrr->adjust.v_total_min =
+ mod_freesync_calc_v_total_from_refresh(
+ stream, in_out_vrr->max_refresh_in_uhz);
+ in_out_vrr->adjust.v_total_max =
+ in_out_vrr->adjust.v_total_min;
+ in_out_vrr->flip_interval.program_flip_interval_workaround = false;
+ in_out_vrr->flip_interval.do_flip_interval_workaround_cleanup = true;
+ return;
+ }
+
+ if (in_out_vrr->state != VRR_STATE_ACTIVE_VARIABLE &&
+ in_out_vrr->flip_interval.do_flip_interval_workaround_cleanup) {
+ in_out_vrr->flip_interval.do_flip_interval_workaround_cleanup = false;
+ in_out_vrr->flip_interval.flip_interval_detect_counter = 0;
+ in_out_vrr->flip_interval.vsyncs_between_flip = 0;
+ in_out_vrr->flip_interval.vsync_to_flip_in_us = 0;
+ }
+
+ /* Below the Range Logic */
+
+ /* Only execute if in fullscreen mode */
+ if (in_out_vrr->state == VRR_STATE_ACTIVE_VARIABLE &&
+ in_out_vrr->btr.btr_active) {
+ /* TODO: pass in flag for Pre-DCE12 ASIC
+ * in order for frame variable duration to take affect,
+ * it needs to be done one VSYNC early, which is at
+ * frameCounter == 1.
+ * For DCE12 and newer updates to V_TOTAL_MIN/MAX
+ * will take affect on current frame
+ */
+ if (in_out_vrr->btr.frames_to_insert ==
+ in_out_vrr->btr.frame_counter) {
+ in_out_vrr->adjust.v_total_min =
+ calc_v_total_from_duration(stream,
+ in_out_vrr,
+ in_out_vrr->btr.inserted_duration_in_us);
+ in_out_vrr->adjust.v_total_max =
+ in_out_vrr->adjust.v_total_min;
+ }
+
+ if (in_out_vrr->btr.frame_counter > 0)
+ in_out_vrr->btr.frame_counter--;
+
+ /* Restore FreeSync */
+ if (in_out_vrr->btr.frame_counter == 0) {
+ in_out_vrr->adjust.v_total_min =
+ mod_freesync_calc_v_total_from_refresh(stream,
+ in_out_vrr->max_refresh_in_uhz);
+ in_out_vrr->adjust.v_total_max =
+ mod_freesync_calc_v_total_from_refresh(stream,
+ in_out_vrr->min_refresh_in_uhz);
+ }
+ }
+
+ /* If in fullscreen freesync mode or in video, do not program
+ * static screen ramp values
+ */
+ if (in_out_vrr->state == VRR_STATE_ACTIVE_VARIABLE)
+ in_out_vrr->fixed.ramping_active = false;
+
+ /* Gradual Static Screen Ramping Logic
+ * Execute if ramp is active and user enabled freesync static screen
+ */
+ if (in_out_vrr->state == VRR_STATE_ACTIVE_FIXED &&
+ in_out_vrr->fixed.ramping_active) {
+ update_v_total_for_static_ramp(
+ core_freesync, stream, in_out_vrr);
+ }
+}
+
+void mod_freesync_get_settings(struct mod_freesync *mod_freesync,
+ const struct mod_vrr_params *vrr,
+ unsigned int *v_total_min, unsigned int *v_total_max,
+ unsigned int *event_triggers,
+ unsigned int *window_min, unsigned int *window_max,
+ unsigned int *lfc_mid_point_in_us,
+ unsigned int *inserted_frames,
+ unsigned int *inserted_duration_in_us)
+{
+ if (mod_freesync == NULL)
+ return;
+
+ if (vrr->supported) {
+ *v_total_min = vrr->adjust.v_total_min;
+ *v_total_max = vrr->adjust.v_total_max;
+ *event_triggers = 0;
+ *lfc_mid_point_in_us = vrr->btr.mid_point_in_us;
+ *inserted_frames = vrr->btr.frames_to_insert;
+ *inserted_duration_in_us = vrr->btr.inserted_duration_in_us;
+ }
+}
+
+unsigned long long mod_freesync_calc_nominal_field_rate(
+ const struct dc_stream_state *stream)
+{
+ unsigned long long nominal_field_rate_in_uhz = 0;
+ unsigned int total = stream->timing.h_total * stream->timing.v_total;
+
+ /* Calculate nominal field rate for stream, rounded up to nearest integer */
+ nominal_field_rate_in_uhz = stream->timing.pix_clk_100hz;
+ nominal_field_rate_in_uhz *= 100000000ULL;
+
+ nominal_field_rate_in_uhz = div_u64(nominal_field_rate_in_uhz, total);
+
+ return nominal_field_rate_in_uhz;
+}
+
+unsigned long long mod_freesync_calc_field_rate_from_timing(
+ unsigned int vtotal, unsigned int htotal, unsigned int pix_clk)
+{
+ unsigned long long field_rate_in_uhz = 0;
+ unsigned int total = htotal * vtotal;
+
+ /* Calculate nominal field rate for stream, rounded up to nearest integer */
+ field_rate_in_uhz = pix_clk;
+ field_rate_in_uhz *= 1000000ULL;
+
+ field_rate_in_uhz = div_u64(field_rate_in_uhz, total);
+
+ return field_rate_in_uhz;
+}
+
+bool mod_freesync_get_freesync_enabled(struct mod_vrr_params *pVrr)
+{
+ return (pVrr->state != VRR_STATE_UNSUPPORTED) && (pVrr->state != VRR_STATE_DISABLED);
+}
+
+bool mod_freesync_is_valid_range(uint32_t min_refresh_cap_in_uhz,
+ uint32_t max_refresh_cap_in_uhz,
+ uint32_t nominal_field_rate_in_uhz)
+{
+
+ /* Typically nominal refresh calculated can have some fractional part.
+ * Allow for some rounding error of actual video timing by taking floor
+ * of caps and request. Round the nominal refresh rate.
+ *
+ * Dividing will convert everything to units in Hz although input
+ * variable name is in uHz!
+ *
+ * Also note, this takes care of rounding error on the nominal refresh
+ * so by rounding error we only expect it to be off by a small amount,
+ * such as < 0.1 Hz. i.e. 143.9xxx or 144.1xxx.
+ *
+ * Example 1. Caps Min = 40 Hz, Max = 144 Hz
+ * Request Min = 40 Hz, Max = 144 Hz
+ * Nominal = 143.5x Hz rounded to 144 Hz
+ * This function should allow this as valid request
+ *
+ * Example 2. Caps Min = 40 Hz, Max = 144 Hz
+ * Request Min = 40 Hz, Max = 144 Hz
+ * Nominal = 144.4x Hz rounded to 144 Hz
+ * This function should allow this as valid request
+ *
+ * Example 3. Caps Min = 40 Hz, Max = 144 Hz
+ * Request Min = 40 Hz, Max = 144 Hz
+ * Nominal = 120.xx Hz rounded to 120 Hz
+ * This function should return NOT valid since the requested
+ * max is greater than current timing's nominal
+ *
+ * Example 4. Caps Min = 40 Hz, Max = 120 Hz
+ * Request Min = 40 Hz, Max = 120 Hz
+ * Nominal = 144.xx Hz rounded to 144 Hz
+ * This function should return NOT valid since the nominal
+ * is greater than the capability's max refresh
+ */
+ nominal_field_rate_in_uhz =
+ div_u64(nominal_field_rate_in_uhz + 500000, 1000000);
+ min_refresh_cap_in_uhz /= 1000000;
+ max_refresh_cap_in_uhz /= 1000000;
+
+ /* Check nominal is within range */
+ if (nominal_field_rate_in_uhz > max_refresh_cap_in_uhz ||
+ nominal_field_rate_in_uhz < min_refresh_cap_in_uhz)
+ return false;
+
+ /* If nominal is less than max, limit the max allowed refresh rate */
+ if (nominal_field_rate_in_uhz < max_refresh_cap_in_uhz)
+ max_refresh_cap_in_uhz = nominal_field_rate_in_uhz;
+
+ /* Check min is within range */
+ if (min_refresh_cap_in_uhz > max_refresh_cap_in_uhz)
+ return false;
+
+ /* For variable range, check for at least 10 Hz range */
+ if (nominal_field_rate_in_uhz - min_refresh_cap_in_uhz < 10)
+ return false;
+
+ return true;
+}
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/Makefile b/drivers/gpu/drm/amd/display/modules/hdcp/Makefile
new file mode 100644
index 000000000..904424da0
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/Makefile
@@ -0,0 +1,33 @@
+#
+# Copyright 2019 Advanced Micro Devices, Inc.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+# THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+#
+#
+# Makefile for the 'hdcp' sub-module of DAL.
+#
+
+HDCP = hdcp_ddc.o hdcp_log.o hdcp_psp.o hdcp.o \
+ hdcp1_execution.o hdcp1_transition.o \
+ hdcp2_execution.o hdcp2_transition.o
+
+AMD_DAL_HDCP = $(addprefix $(AMDDALPATH)/modules/hdcp/,$(HDCP))
+#$(info ************ DAL-HDCP_MAKEFILE ************)
+
+AMD_DISPLAY_FILES += $(AMD_DAL_HDCP)
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c
new file mode 100644
index 000000000..5e01c6e24
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c
@@ -0,0 +1,598 @@
+/*
+ * Copyright 2019 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "hdcp.h"
+
+static void push_error_status(struct mod_hdcp *hdcp,
+ enum mod_hdcp_status status)
+{
+ struct mod_hdcp_trace *trace = &hdcp->connection.trace;
+
+ if (trace->error_count < MAX_NUM_OF_ERROR_TRACE) {
+ trace->errors[trace->error_count].status = status;
+ trace->errors[trace->error_count].state_id = hdcp->state.id;
+ trace->error_count++;
+ HDCP_ERROR_TRACE(hdcp, status);
+ }
+
+ if (is_hdcp1(hdcp)) {
+ hdcp->connection.hdcp1_retry_count++;
+ if (hdcp->connection.hdcp1_retry_count == MAX_NUM_OF_ATTEMPTS)
+ hdcp->connection.link.adjust.hdcp1.disable = 1;
+ } else if (is_hdcp2(hdcp)) {
+ hdcp->connection.hdcp2_retry_count++;
+ if (hdcp->connection.hdcp2_retry_count == MAX_NUM_OF_ATTEMPTS)
+ hdcp->connection.link.adjust.hdcp2.disable = 1;
+ }
+}
+
+static uint8_t is_cp_desired_hdcp1(struct mod_hdcp *hdcp)
+{
+ int i, is_auth_needed = 0;
+
+ /* if all displays on the link don't need authentication,
+ * hdcp is not desired
+ */
+ for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) {
+ if (hdcp->displays[i].state != MOD_HDCP_DISPLAY_INACTIVE &&
+ hdcp->displays[i].adjust.disable != MOD_HDCP_DISPLAY_DISABLE_AUTHENTICATION) {
+ is_auth_needed = 1;
+ break;
+ }
+ }
+
+ return is_auth_needed &&
+ !hdcp->connection.link.adjust.hdcp1.disable &&
+ !hdcp->connection.is_hdcp1_revoked;
+}
+
+static uint8_t is_cp_desired_hdcp2(struct mod_hdcp *hdcp)
+{
+ int i, is_auth_needed = 0;
+
+ /* if all displays on the link don't need authentication,
+ * hdcp is not desired
+ */
+ for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) {
+ if (hdcp->displays[i].state != MOD_HDCP_DISPLAY_INACTIVE &&
+ hdcp->displays[i].adjust.disable != MOD_HDCP_DISPLAY_DISABLE_AUTHENTICATION) {
+ is_auth_needed = 1;
+ break;
+ }
+ }
+
+ return is_auth_needed &&
+ !hdcp->connection.link.adjust.hdcp2.disable &&
+ !hdcp->connection.is_hdcp2_revoked;
+}
+
+static enum mod_hdcp_status execution(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ union mod_hdcp_transition_input *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (is_in_initialized_state(hdcp)) {
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+ /* initialize transition input */
+ memset(input, 0, sizeof(union mod_hdcp_transition_input));
+ } else if (is_in_cp_not_desired_state(hdcp)) {
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+ } else if (is_in_hdcp1_states(hdcp)) {
+ status = mod_hdcp_hdcp1_execution(hdcp, event_ctx, &input->hdcp1);
+ } else if (is_in_hdcp1_dp_states(hdcp)) {
+ status = mod_hdcp_hdcp1_dp_execution(hdcp,
+ event_ctx, &input->hdcp1);
+ } else if (is_in_hdcp2_states(hdcp)) {
+ status = mod_hdcp_hdcp2_execution(hdcp, event_ctx, &input->hdcp2);
+ } else if (is_in_hdcp2_dp_states(hdcp)) {
+ status = mod_hdcp_hdcp2_dp_execution(hdcp,
+ event_ctx, &input->hdcp2);
+ } else {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+out:
+ return status;
+}
+
+static enum mod_hdcp_status transition(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ union mod_hdcp_transition_input *input,
+ struct mod_hdcp_output *output)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->unexpected_event)
+ goto out;
+
+ if (is_in_initialized_state(hdcp)) {
+ if (is_dp_hdcp(hdcp))
+ if (is_cp_desired_hdcp2(hdcp)) {
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, D2_A0_DETERMINE_RX_HDCP_CAPABLE);
+ } else if (is_cp_desired_hdcp1(hdcp)) {
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, D1_A0_DETERMINE_RX_HDCP_CAPABLE);
+ } else {
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, HDCP_CP_NOT_DESIRED);
+ set_auth_complete(hdcp, output);
+ }
+ else if (is_hdmi_dvi_sl_hdcp(hdcp))
+ if (is_cp_desired_hdcp2(hdcp)) {
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H2_A0_KNOWN_HDCP2_CAPABLE_RX);
+ } else if (is_cp_desired_hdcp1(hdcp)) {
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H1_A0_WAIT_FOR_ACTIVE_RX);
+ } else {
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, HDCP_CP_NOT_DESIRED);
+ set_auth_complete(hdcp, output);
+ }
+ else {
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, HDCP_CP_NOT_DESIRED);
+ set_auth_complete(hdcp, output);
+ }
+ } else if (is_in_cp_not_desired_state(hdcp)) {
+ increment_stay_counter(hdcp);
+ } else if (is_in_hdcp1_states(hdcp)) {
+ status = mod_hdcp_hdcp1_transition(hdcp,
+ event_ctx, &input->hdcp1, output);
+ } else if (is_in_hdcp1_dp_states(hdcp)) {
+ status = mod_hdcp_hdcp1_dp_transition(hdcp,
+ event_ctx, &input->hdcp1, output);
+ } else if (is_in_hdcp2_states(hdcp)) {
+ status = mod_hdcp_hdcp2_transition(hdcp,
+ event_ctx, &input->hdcp2, output);
+ } else if (is_in_hdcp2_dp_states(hdcp)) {
+ status = mod_hdcp_hdcp2_dp_transition(hdcp,
+ event_ctx, &input->hdcp2, output);
+ } else {
+ status = MOD_HDCP_STATUS_INVALID_STATE;
+ }
+out:
+ return status;
+}
+
+static enum mod_hdcp_status reset_authentication(struct mod_hdcp *hdcp,
+ struct mod_hdcp_output *output)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (is_hdcp1(hdcp)) {
+ if (hdcp->auth.trans_input.hdcp1.create_session != UNKNOWN) {
+ /* TODO - update psp to unify create session failure
+ * recovery between hdcp1 and 2.
+ */
+ mod_hdcp_hdcp1_destroy_session(hdcp);
+
+ }
+
+ HDCP_TOP_RESET_AUTH_TRACE(hdcp);
+ memset(&hdcp->auth, 0, sizeof(struct mod_hdcp_authentication));
+ memset(&hdcp->state, 0, sizeof(struct mod_hdcp_state));
+ set_state_id(hdcp, output, HDCP_INITIALIZED);
+ } else if (is_hdcp2(hdcp)) {
+ if (hdcp->auth.trans_input.hdcp2.create_session == PASS) {
+ status = mod_hdcp_hdcp2_destroy_session(hdcp);
+ if (status != MOD_HDCP_STATUS_SUCCESS) {
+ output->callback_needed = 0;
+ output->watchdog_timer_needed = 0;
+ goto out;
+ }
+ }
+
+ HDCP_TOP_RESET_AUTH_TRACE(hdcp);
+ memset(&hdcp->auth, 0, sizeof(struct mod_hdcp_authentication));
+ memset(&hdcp->state, 0, sizeof(struct mod_hdcp_state));
+ set_state_id(hdcp, output, HDCP_INITIALIZED);
+ } else if (is_in_cp_not_desired_state(hdcp)) {
+ HDCP_TOP_RESET_AUTH_TRACE(hdcp);
+ memset(&hdcp->auth, 0, sizeof(struct mod_hdcp_authentication));
+ memset(&hdcp->state, 0, sizeof(struct mod_hdcp_state));
+ set_state_id(hdcp, output, HDCP_INITIALIZED);
+ }
+
+out:
+ /* stop callback and watchdog requests from previous authentication*/
+ output->watchdog_timer_stop = 1;
+ output->callback_stop = 1;
+ return status;
+}
+
+static enum mod_hdcp_status reset_connection(struct mod_hdcp *hdcp,
+ struct mod_hdcp_output *output)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ memset(output, 0, sizeof(struct mod_hdcp_output));
+
+ status = reset_authentication(hdcp, output);
+ if (status != MOD_HDCP_STATUS_SUCCESS)
+ goto out;
+
+ if (current_state(hdcp) != HDCP_UNINITIALIZED) {
+ HDCP_TOP_RESET_CONN_TRACE(hdcp);
+ set_state_id(hdcp, output, HDCP_UNINITIALIZED);
+ }
+ memset(&hdcp->connection, 0, sizeof(hdcp->connection));
+out:
+ return status;
+}
+
+static enum mod_hdcp_status update_display_adjustments(struct mod_hdcp *hdcp,
+ struct mod_hdcp_display *display,
+ struct mod_hdcp_display_adjustment *adj)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_NOT_IMPLEMENTED;
+
+ if (is_in_authenticated_states(hdcp) &&
+ is_dp_mst_hdcp(hdcp) &&
+ display->adjust.disable == true &&
+ adj->disable == false) {
+ display->adjust.disable = false;
+ if (is_hdcp1(hdcp))
+ status = mod_hdcp_hdcp1_enable_dp_stream_encryption(hdcp);
+ else if (is_hdcp2(hdcp))
+ status = mod_hdcp_hdcp2_enable_dp_stream_encryption(hdcp);
+
+ if (status != MOD_HDCP_STATUS_SUCCESS)
+ display->adjust.disable = true;
+ }
+
+ if (status == MOD_HDCP_STATUS_SUCCESS &&
+ memcmp(adj, &display->adjust,
+ sizeof(struct mod_hdcp_display_adjustment)) != 0)
+ status = MOD_HDCP_STATUS_NOT_IMPLEMENTED;
+
+ return status;
+}
+/*
+ * Implementation of functions in mod_hdcp.h
+ */
+size_t mod_hdcp_get_memory_size(void)
+{
+ return sizeof(struct mod_hdcp);
+}
+
+enum mod_hdcp_status mod_hdcp_setup(struct mod_hdcp *hdcp,
+ struct mod_hdcp_config *config)
+{
+ struct mod_hdcp_output output;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ memset(&output, 0, sizeof(output));
+ hdcp->config = *config;
+ HDCP_TOP_INTERFACE_TRACE(hdcp);
+ status = reset_connection(hdcp, &output);
+ if (status != MOD_HDCP_STATUS_SUCCESS)
+ push_error_status(hdcp, status);
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_teardown(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ struct mod_hdcp_output output;
+
+ HDCP_TOP_INTERFACE_TRACE(hdcp);
+ memset(&output, 0, sizeof(output));
+ status = reset_connection(hdcp, &output);
+ if (status == MOD_HDCP_STATUS_SUCCESS)
+ memset(hdcp, 0, sizeof(struct mod_hdcp));
+ else
+ push_error_status(hdcp, status);
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_add_display(struct mod_hdcp *hdcp,
+ struct mod_hdcp_link *link, struct mod_hdcp_display *display,
+ struct mod_hdcp_output *output)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ struct mod_hdcp_display *display_container = NULL;
+
+ HDCP_TOP_INTERFACE_TRACE_WITH_INDEX(hdcp, display->index);
+ memset(output, 0, sizeof(struct mod_hdcp_output));
+
+ /* skip inactive display */
+ if (display->state != MOD_HDCP_DISPLAY_ACTIVE) {
+ status = MOD_HDCP_STATUS_SUCCESS;
+ goto out;
+ }
+
+ /* check existing display container */
+ if (get_active_display_at_index(hdcp, display->index)) {
+ status = MOD_HDCP_STATUS_SUCCESS;
+ goto out;
+ }
+
+ /* find an empty display container */
+ display_container = get_empty_display_container(hdcp);
+ if (!display_container) {
+ status = MOD_HDCP_STATUS_DISPLAY_OUT_OF_BOUND;
+ goto out;
+ }
+
+ /* reset existing authentication status */
+ status = reset_authentication(hdcp, output);
+ if (status != MOD_HDCP_STATUS_SUCCESS)
+ goto out;
+
+ /* reset retry counters */
+ reset_retry_counts(hdcp);
+
+ /* reset error trace */
+ memset(&hdcp->connection.trace, 0, sizeof(hdcp->connection.trace));
+
+ /* add display to connection */
+ hdcp->connection.link = *link;
+ *display_container = *display;
+ status = mod_hdcp_add_display_to_topology(hdcp, display_container);
+
+ if (status != MOD_HDCP_STATUS_SUCCESS)
+ goto out;
+
+ /* request authentication */
+ if (current_state(hdcp) != HDCP_INITIALIZED)
+ set_state_id(hdcp, output, HDCP_INITIALIZED);
+ callback_in_ms(hdcp->connection.link.adjust.auth_delay * 1000, output);
+out:
+ if (status != MOD_HDCP_STATUS_SUCCESS)
+ push_error_status(hdcp, status);
+
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_remove_display(struct mod_hdcp *hdcp,
+ uint8_t index, struct mod_hdcp_output *output)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ struct mod_hdcp_display *display = NULL;
+
+ HDCP_TOP_INTERFACE_TRACE_WITH_INDEX(hdcp, index);
+ memset(output, 0, sizeof(struct mod_hdcp_output));
+
+ /* find display in connection */
+ display = get_active_display_at_index(hdcp, index);
+ if (!display) {
+ status = MOD_HDCP_STATUS_SUCCESS;
+ goto out;
+ }
+
+ /* stop current authentication */
+ status = reset_authentication(hdcp, output);
+ if (status != MOD_HDCP_STATUS_SUCCESS)
+ goto out;
+
+ /* clear retry counters */
+ reset_retry_counts(hdcp);
+
+ /* reset error trace */
+ memset(&hdcp->connection.trace, 0, sizeof(hdcp->connection.trace));
+
+ /* remove display */
+ status = mod_hdcp_remove_display_from_topology(hdcp, index);
+ if (status != MOD_HDCP_STATUS_SUCCESS)
+ goto out;
+ memset(display, 0, sizeof(struct mod_hdcp_display));
+
+ /* request authentication when connection is not reset */
+ if (current_state(hdcp) != HDCP_UNINITIALIZED)
+ callback_in_ms(hdcp->connection.link.adjust.auth_delay * 1000,
+ output);
+out:
+ if (status != MOD_HDCP_STATUS_SUCCESS)
+ push_error_status(hdcp, status);
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_update_display(struct mod_hdcp *hdcp,
+ uint8_t index,
+ struct mod_hdcp_link_adjustment *link_adjust,
+ struct mod_hdcp_display_adjustment *display_adjust,
+ struct mod_hdcp_output *output)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ struct mod_hdcp_display *display = NULL;
+
+ HDCP_TOP_INTERFACE_TRACE_WITH_INDEX(hdcp, index);
+ memset(output, 0, sizeof(struct mod_hdcp_output));
+
+ /* find display in connection */
+ display = get_active_display_at_index(hdcp, index);
+ if (!display) {
+ status = MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
+ goto out;
+ }
+
+ /* skip if no changes */
+ if (memcmp(link_adjust, &hdcp->connection.link.adjust,
+ sizeof(struct mod_hdcp_link_adjustment)) == 0 &&
+ memcmp(display_adjust, &display->adjust,
+ sizeof(struct mod_hdcp_display_adjustment)) == 0) {
+ status = MOD_HDCP_STATUS_SUCCESS;
+ goto out;
+ }
+
+ if (memcmp(link_adjust, &hdcp->connection.link.adjust,
+ sizeof(struct mod_hdcp_link_adjustment)) == 0 &&
+ memcmp(display_adjust, &display->adjust,
+ sizeof(struct mod_hdcp_display_adjustment)) != 0) {
+ status = update_display_adjustments(hdcp, display, display_adjust);
+ if (status != MOD_HDCP_STATUS_NOT_IMPLEMENTED)
+ goto out;
+ }
+
+ /* stop current authentication */
+ status = reset_authentication(hdcp, output);
+ if (status != MOD_HDCP_STATUS_SUCCESS)
+ goto out;
+
+ /* clear retry counters */
+ reset_retry_counts(hdcp);
+
+ /* reset error trace */
+ memset(&hdcp->connection.trace, 0, sizeof(hdcp->connection.trace));
+
+ /* set new adjustment */
+ hdcp->connection.link.adjust = *link_adjust;
+ display->adjust = *display_adjust;
+
+ /* request authentication when connection is not reset */
+ if (current_state(hdcp) != HDCP_UNINITIALIZED)
+ /* wait 100ms to debounce simultaneous updates for different indices */
+ callback_in_ms(100, output);
+
+out:
+ if (status != MOD_HDCP_STATUS_SUCCESS)
+ push_error_status(hdcp, status);
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_query_display(struct mod_hdcp *hdcp,
+ uint8_t index, struct mod_hdcp_display_query *query)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ struct mod_hdcp_display *display = NULL;
+
+ /* find display in connection */
+ display = get_active_display_at_index(hdcp, index);
+ if (!display) {
+ status = MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
+ goto out;
+ }
+
+ /* populate query */
+ query->link = &hdcp->connection.link;
+ query->display = display;
+ query->trace = &hdcp->connection.trace;
+ query->encryption_status = MOD_HDCP_ENCRYPTION_STATUS_HDCP_OFF;
+
+ if (is_display_encryption_enabled(display)) {
+ if (is_hdcp1(hdcp)) {
+ query->encryption_status = MOD_HDCP_ENCRYPTION_STATUS_HDCP1_ON;
+ } else if (is_hdcp2(hdcp)) {
+ if (query->link->adjust.hdcp2.force_type == MOD_HDCP_FORCE_TYPE_0)
+ query->encryption_status = MOD_HDCP_ENCRYPTION_STATUS_HDCP2_TYPE0_ON;
+ else if (query->link->adjust.hdcp2.force_type == MOD_HDCP_FORCE_TYPE_1)
+ query->encryption_status = MOD_HDCP_ENCRYPTION_STATUS_HDCP2_TYPE1_ON;
+ else
+ query->encryption_status = MOD_HDCP_ENCRYPTION_STATUS_HDCP2_ON;
+ }
+ } else {
+ query->encryption_status = MOD_HDCP_ENCRYPTION_STATUS_HDCP_OFF;
+ }
+
+out:
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_reset_connection(struct mod_hdcp *hdcp,
+ struct mod_hdcp_output *output)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ HDCP_TOP_INTERFACE_TRACE(hdcp);
+ status = reset_connection(hdcp, output);
+ if (status != MOD_HDCP_STATUS_SUCCESS)
+ push_error_status(hdcp, status);
+
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_process_event(struct mod_hdcp *hdcp,
+ enum mod_hdcp_event event, struct mod_hdcp_output *output)
+{
+ enum mod_hdcp_status exec_status, trans_status, reset_status, status;
+ struct mod_hdcp_event_context event_ctx;
+
+ HDCP_EVENT_TRACE(hdcp, event);
+ memset(output, 0, sizeof(struct mod_hdcp_output));
+ memset(&event_ctx, 0, sizeof(struct mod_hdcp_event_context));
+ event_ctx.event = event;
+
+ /* execute and transition */
+ exec_status = execution(hdcp, &event_ctx, &hdcp->auth.trans_input);
+ trans_status = transition(
+ hdcp, &event_ctx, &hdcp->auth.trans_input, output);
+ if (trans_status == MOD_HDCP_STATUS_SUCCESS) {
+ status = MOD_HDCP_STATUS_SUCCESS;
+ } else if (exec_status == MOD_HDCP_STATUS_SUCCESS) {
+ status = MOD_HDCP_STATUS_INTERNAL_POLICY_FAILURE;
+ push_error_status(hdcp, status);
+ } else {
+ status = exec_status;
+ push_error_status(hdcp, status);
+ }
+
+ /* reset authentication if needed */
+ if (trans_status == MOD_HDCP_STATUS_RESET_NEEDED) {
+ mod_hdcp_log_ddc_trace(hdcp);
+ reset_status = reset_authentication(hdcp, output);
+ if (reset_status != MOD_HDCP_STATUS_SUCCESS)
+ push_error_status(hdcp, reset_status);
+ }
+
+ /* Clear CP_IRQ status if needed */
+ if (event_ctx.event == MOD_HDCP_EVENT_CPIRQ) {
+ status = mod_hdcp_clear_cp_irq_status(hdcp);
+ if (status != MOD_HDCP_STATUS_SUCCESS)
+ push_error_status(hdcp, status);
+ }
+
+ return status;
+}
+
+enum mod_hdcp_operation_mode mod_hdcp_signal_type_to_operation_mode(
+ enum signal_type signal)
+{
+ enum mod_hdcp_operation_mode mode = MOD_HDCP_MODE_OFF;
+
+ switch (signal) {
+ case SIGNAL_TYPE_DVI_SINGLE_LINK:
+ case SIGNAL_TYPE_HDMI_TYPE_A:
+ mode = MOD_HDCP_MODE_DEFAULT;
+ break;
+ case SIGNAL_TYPE_EDP:
+ case SIGNAL_TYPE_DISPLAY_PORT:
+ case SIGNAL_TYPE_DISPLAY_PORT_MST:
+ mode = MOD_HDCP_MODE_DP;
+ break;
+ default:
+ break;
+ }
+
+ return mode;
+}
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h
new file mode 100644
index 000000000..55c7d8731
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h
@@ -0,0 +1,584 @@
+/*
+ * Copyright 2019 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef HDCP_H_
+#define HDCP_H_
+
+#include "mod_hdcp.h"
+#include "hdcp_log.h"
+
+#include <drm/display/drm_dp_helper.h>
+#include <drm/display/drm_hdcp_helper.h>
+
+enum mod_hdcp_trans_input_result {
+ UNKNOWN = 0,
+ PASS,
+ FAIL
+};
+
+struct mod_hdcp_transition_input_hdcp1 {
+ uint8_t bksv_read;
+ uint8_t bksv_validation;
+ uint8_t create_session;
+ uint8_t an_write;
+ uint8_t aksv_write;
+ uint8_t ainfo_write;
+ uint8_t bcaps_read;
+ uint8_t r0p_read;
+ uint8_t rx_validation;
+ uint8_t encryption;
+ uint8_t link_maintenance;
+ uint8_t ready_check;
+ uint8_t bstatus_read;
+ uint8_t max_cascade_check;
+ uint8_t max_devs_check;
+ uint8_t device_count_check;
+ uint8_t ksvlist_read;
+ uint8_t vp_read;
+ uint8_t ksvlist_vp_validation;
+
+ uint8_t hdcp_capable_dp;
+ uint8_t binfo_read_dp;
+ uint8_t r0p_available_dp;
+ uint8_t link_integrity_check;
+ uint8_t reauth_request_check;
+ uint8_t stream_encryption_dp;
+};
+
+struct mod_hdcp_transition_input_hdcp2 {
+ uint8_t hdcp2version_read;
+ uint8_t hdcp2_capable_check;
+ uint8_t create_session;
+ uint8_t ake_init_prepare;
+ uint8_t ake_init_write;
+ uint8_t rxstatus_read;
+ uint8_t ake_cert_available;
+ uint8_t ake_cert_read;
+ uint8_t ake_cert_validation;
+ uint8_t stored_km_write;
+ uint8_t no_stored_km_write;
+ uint8_t h_prime_available;
+ uint8_t h_prime_read;
+ uint8_t pairing_available;
+ uint8_t pairing_info_read;
+ uint8_t h_prime_validation;
+ uint8_t lc_init_prepare;
+ uint8_t lc_init_write;
+ uint8_t l_prime_available_poll;
+ uint8_t l_prime_read;
+ uint8_t l_prime_validation;
+ uint8_t eks_prepare;
+ uint8_t eks_write;
+ uint8_t enable_encryption;
+ uint8_t reauth_request_check;
+ uint8_t rx_id_list_read;
+ uint8_t device_count_check;
+ uint8_t rx_id_list_validation;
+ uint8_t repeater_auth_ack_write;
+ uint8_t prepare_stream_manage;
+ uint8_t stream_manage_write;
+ uint8_t stream_ready_available;
+ uint8_t stream_ready_read;
+ uint8_t stream_ready_validation;
+
+ uint8_t rx_caps_read_dp;
+ uint8_t content_stream_type_write;
+ uint8_t link_integrity_check_dp;
+ uint8_t stream_encryption_dp;
+};
+
+union mod_hdcp_transition_input {
+ struct mod_hdcp_transition_input_hdcp1 hdcp1;
+ struct mod_hdcp_transition_input_hdcp2 hdcp2;
+};
+
+struct mod_hdcp_message_hdcp1 {
+ uint8_t an[8];
+ uint8_t aksv[5];
+ uint8_t ainfo;
+ uint8_t bksv[5];
+ uint16_t r0p;
+ uint8_t bcaps;
+ uint16_t bstatus;
+ uint8_t ksvlist[635];
+ uint16_t ksvlist_size;
+ uint8_t vp[20];
+
+ uint16_t binfo_dp;
+};
+
+struct mod_hdcp_message_hdcp2 {
+ uint8_t hdcp2version_hdmi;
+ uint8_t rxcaps_dp[3];
+ uint8_t rxstatus[2];
+
+ uint8_t ake_init[12];
+ uint8_t ake_cert[534];
+ uint8_t ake_no_stored_km[129];
+ uint8_t ake_stored_km[33];
+ uint8_t ake_h_prime[33];
+ uint8_t ake_pairing_info[17];
+ uint8_t lc_init[9];
+ uint8_t lc_l_prime[33];
+ uint8_t ske_eks[25];
+ uint8_t rx_id_list[177]; // 22 + 5 * 31
+ uint16_t rx_id_list_size;
+ uint8_t repeater_auth_ack[17];
+ uint8_t repeater_auth_stream_manage[68]; // 6 + 2 * 31
+ uint16_t stream_manage_size;
+ uint8_t repeater_auth_stream_ready[33];
+ uint8_t rxstatus_dp;
+ uint8_t content_stream_type_dp[2];
+};
+
+union mod_hdcp_message {
+ struct mod_hdcp_message_hdcp1 hdcp1;
+ struct mod_hdcp_message_hdcp2 hdcp2;
+};
+
+struct mod_hdcp_auth_counters {
+ uint8_t stream_management_retry_count;
+};
+
+/* contains values per connection */
+struct mod_hdcp_connection {
+ struct mod_hdcp_link link;
+ uint8_t is_repeater;
+ uint8_t is_km_stored;
+ uint8_t is_hdcp1_revoked;
+ uint8_t is_hdcp2_revoked;
+ struct mod_hdcp_trace trace;
+ uint8_t hdcp1_retry_count;
+ uint8_t hdcp2_retry_count;
+};
+
+/* contains values per authentication cycle */
+struct mod_hdcp_authentication {
+ uint32_t id;
+ union mod_hdcp_message msg;
+ union mod_hdcp_transition_input trans_input;
+ struct mod_hdcp_auth_counters count;
+};
+
+/* contains values per state change */
+struct mod_hdcp_state {
+ uint8_t id;
+ uint32_t stay_count;
+};
+
+/* per event in a state */
+struct mod_hdcp_event_context {
+ enum mod_hdcp_event event;
+ uint8_t rx_id_list_ready;
+ uint8_t unexpected_event;
+};
+
+struct mod_hdcp {
+ /* per link */
+ struct mod_hdcp_config config;
+ /* per connection */
+ struct mod_hdcp_connection connection;
+ /* per displays */
+ struct mod_hdcp_display displays[MAX_NUM_OF_DISPLAYS];
+ /* per authentication attempt */
+ struct mod_hdcp_authentication auth;
+ /* per state in an authentication */
+ struct mod_hdcp_state state;
+ /* reserved memory buffer */
+ uint8_t buf[2025];
+};
+
+enum mod_hdcp_initial_state_id {
+ HDCP_UNINITIALIZED = 0x0,
+ HDCP_INITIAL_STATE_START = HDCP_UNINITIALIZED,
+ HDCP_INITIALIZED,
+ HDCP_CP_NOT_DESIRED,
+ HDCP_INITIAL_STATE_END = HDCP_CP_NOT_DESIRED
+};
+
+enum mod_hdcp_hdcp1_state_id {
+ HDCP1_STATE_START = HDCP_INITIAL_STATE_END,
+ H1_A0_WAIT_FOR_ACTIVE_RX,
+ H1_A1_EXCHANGE_KSVS,
+ H1_A2_COMPUTATIONS_A3_VALIDATE_RX_A6_TEST_FOR_REPEATER,
+ H1_A45_AUTHENTICATED,
+ H1_A8_WAIT_FOR_READY,
+ H1_A9_READ_KSV_LIST,
+ HDCP1_STATE_END = H1_A9_READ_KSV_LIST
+};
+
+enum mod_hdcp_hdcp1_dp_state_id {
+ HDCP1_DP_STATE_START = HDCP1_STATE_END,
+ D1_A0_DETERMINE_RX_HDCP_CAPABLE,
+ D1_A1_EXCHANGE_KSVS,
+ D1_A23_WAIT_FOR_R0_PRIME,
+ D1_A2_COMPUTATIONS_A3_VALIDATE_RX_A5_TEST_FOR_REPEATER,
+ D1_A4_AUTHENTICATED,
+ D1_A6_WAIT_FOR_READY,
+ D1_A7_READ_KSV_LIST,
+ HDCP1_DP_STATE_END = D1_A7_READ_KSV_LIST,
+};
+
+enum mod_hdcp_hdcp2_state_id {
+ HDCP2_STATE_START = HDCP1_DP_STATE_END,
+ H2_A0_KNOWN_HDCP2_CAPABLE_RX,
+ H2_A1_SEND_AKE_INIT,
+ H2_A1_VALIDATE_AKE_CERT,
+ H2_A1_SEND_NO_STORED_KM,
+ H2_A1_READ_H_PRIME,
+ H2_A1_READ_PAIRING_INFO_AND_VALIDATE_H_PRIME,
+ H2_A1_SEND_STORED_KM,
+ H2_A1_VALIDATE_H_PRIME,
+ H2_A2_LOCALITY_CHECK,
+ H2_A3_EXCHANGE_KS_AND_TEST_FOR_REPEATER,
+ H2_ENABLE_ENCRYPTION,
+ H2_A5_AUTHENTICATED,
+ H2_A6_WAIT_FOR_RX_ID_LIST,
+ H2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK,
+ H2_A9_SEND_STREAM_MANAGEMENT,
+ H2_A9_VALIDATE_STREAM_READY,
+ HDCP2_STATE_END = H2_A9_VALIDATE_STREAM_READY,
+};
+
+enum mod_hdcp_hdcp2_dp_state_id {
+ HDCP2_DP_STATE_START = HDCP2_STATE_END,
+ D2_A0_DETERMINE_RX_HDCP_CAPABLE,
+ D2_A1_SEND_AKE_INIT,
+ D2_A1_VALIDATE_AKE_CERT,
+ D2_A1_SEND_NO_STORED_KM,
+ D2_A1_READ_H_PRIME,
+ D2_A1_READ_PAIRING_INFO_AND_VALIDATE_H_PRIME,
+ D2_A1_SEND_STORED_KM,
+ D2_A1_VALIDATE_H_PRIME,
+ D2_A2_LOCALITY_CHECK,
+ D2_A34_EXCHANGE_KS_AND_TEST_FOR_REPEATER,
+ D2_SEND_CONTENT_STREAM_TYPE,
+ D2_ENABLE_ENCRYPTION,
+ D2_A5_AUTHENTICATED,
+ D2_A6_WAIT_FOR_RX_ID_LIST,
+ D2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK,
+ D2_A9_SEND_STREAM_MANAGEMENT,
+ D2_A9_VALIDATE_STREAM_READY,
+ HDCP2_DP_STATE_END = D2_A9_VALIDATE_STREAM_READY,
+ HDCP_STATE_END = HDCP2_DP_STATE_END,
+};
+
+/* hdcp1 executions and transitions */
+typedef enum mod_hdcp_status (*mod_hdcp_action)(struct mod_hdcp *hdcp);
+uint8_t mod_hdcp_execute_and_set(
+ mod_hdcp_action func, uint8_t *flag,
+ enum mod_hdcp_status *status, struct mod_hdcp *hdcp, char *str);
+enum mod_hdcp_status mod_hdcp_hdcp1_execution(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp1 *input);
+enum mod_hdcp_status mod_hdcp_hdcp1_dp_execution(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp1 *input);
+enum mod_hdcp_status mod_hdcp_hdcp1_transition(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp1 *input,
+ struct mod_hdcp_output *output);
+enum mod_hdcp_status mod_hdcp_hdcp1_dp_transition(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp1 *input,
+ struct mod_hdcp_output *output);
+
+/* hdcp2 executions and transitions */
+enum mod_hdcp_status mod_hdcp_hdcp2_execution(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input);
+enum mod_hdcp_status mod_hdcp_hdcp2_dp_execution(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input);
+enum mod_hdcp_status mod_hdcp_hdcp2_transition(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input,
+ struct mod_hdcp_output *output);
+enum mod_hdcp_status mod_hdcp_hdcp2_dp_transition(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input,
+ struct mod_hdcp_output *output);
+
+/* log functions */
+void mod_hdcp_dump_binary_message(uint8_t *msg, uint32_t msg_size,
+ uint8_t *buf, uint32_t buf_size);
+void mod_hdcp_log_ddc_trace(struct mod_hdcp *hdcp);
+/* TODO: add adjustment log */
+
+/* psp functions */
+enum mod_hdcp_status mod_hdcp_add_display_to_topology(
+ struct mod_hdcp *hdcp, struct mod_hdcp_display *display);
+enum mod_hdcp_status mod_hdcp_remove_display_from_topology(
+ struct mod_hdcp *hdcp, uint8_t index);
+enum mod_hdcp_status mod_hdcp_hdcp1_create_session(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp1_destroy_session(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp1_validate_rx(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp1_enable_encryption(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp1_validate_ksvlist_vp(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp1_enable_dp_stream_encryption(
+ struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp1_link_maintenance(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_create_session(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_destroy_session(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_prepare_ake_init(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_validate_ake_cert(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_validate_h_prime(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_prepare_lc_init(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_validate_l_prime(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_prepare_eks(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_enable_encryption(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_validate_rx_id_list(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_enable_dp_stream_encryption(
+ struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_prepare_stream_management(
+ struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_hdcp2_validate_stream_ready(
+ struct mod_hdcp *hdcp);
+
+/* ddc functions */
+enum mod_hdcp_status mod_hdcp_read_bksv(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_read_bcaps(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_read_bstatus(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_read_r0p(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_read_ksvlist(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_read_vp(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_read_binfo(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_write_aksv(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_write_ainfo(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_write_an(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_read_hdcp2version(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_read_rxcaps(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_read_rxstatus(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_read_ake_cert(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_read_h_prime(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_read_pairing_info(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_read_l_prime(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_read_rx_id_list(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_read_stream_ready(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_write_ake_init(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_write_no_stored_km(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_write_stored_km(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_write_lc_init(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_write_eks(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_write_repeater_auth_ack(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_write_stream_manage(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_write_content_type(struct mod_hdcp *hdcp);
+enum mod_hdcp_status mod_hdcp_clear_cp_irq_status(struct mod_hdcp *hdcp);
+
+/* hdcp version helpers */
+static inline uint8_t is_dp_hdcp(struct mod_hdcp *hdcp)
+{
+ return (hdcp->connection.link.mode == MOD_HDCP_MODE_DP);
+}
+
+static inline uint8_t is_dp_mst_hdcp(struct mod_hdcp *hdcp)
+{
+ return (hdcp->connection.link.mode == MOD_HDCP_MODE_DP &&
+ hdcp->connection.link.dp.mst_enabled);
+}
+
+static inline uint8_t is_hdmi_dvi_sl_hdcp(struct mod_hdcp *hdcp)
+{
+ return (hdcp->connection.link.mode == MOD_HDCP_MODE_DEFAULT);
+}
+
+/* hdcp state helpers */
+static inline uint8_t current_state(struct mod_hdcp *hdcp)
+{
+ return hdcp->state.id;
+}
+
+static inline void set_state_id(struct mod_hdcp *hdcp,
+ struct mod_hdcp_output *output, uint8_t id)
+{
+ memset(&hdcp->state, 0, sizeof(hdcp->state));
+ hdcp->state.id = id;
+ /* callback timer should be reset per state */
+ output->callback_stop = 1;
+ output->watchdog_timer_stop = 1;
+ HDCP_NEXT_STATE_TRACE(hdcp, id, output);
+}
+
+static inline uint8_t is_in_hdcp1_states(struct mod_hdcp *hdcp)
+{
+ return (current_state(hdcp) > HDCP1_STATE_START &&
+ current_state(hdcp) <= HDCP1_STATE_END);
+}
+
+static inline uint8_t is_in_hdcp1_dp_states(struct mod_hdcp *hdcp)
+{
+ return (current_state(hdcp) > HDCP1_DP_STATE_START &&
+ current_state(hdcp) <= HDCP1_DP_STATE_END);
+}
+
+static inline uint8_t is_in_hdcp2_states(struct mod_hdcp *hdcp)
+{
+ return (current_state(hdcp) > HDCP2_STATE_START &&
+ current_state(hdcp) <= HDCP2_STATE_END);
+}
+
+static inline uint8_t is_in_hdcp2_dp_states(struct mod_hdcp *hdcp)
+{
+ return (current_state(hdcp) > HDCP2_DP_STATE_START &&
+ current_state(hdcp) <= HDCP2_DP_STATE_END);
+}
+
+static inline uint8_t is_in_authenticated_states(struct mod_hdcp *hdcp)
+{
+ return (current_state(hdcp) == D1_A4_AUTHENTICATED ||
+ current_state(hdcp) == H1_A45_AUTHENTICATED ||
+ current_state(hdcp) == D2_A5_AUTHENTICATED ||
+ current_state(hdcp) == H2_A5_AUTHENTICATED);
+}
+
+static inline uint8_t is_hdcp1(struct mod_hdcp *hdcp)
+{
+ return (is_in_hdcp1_states(hdcp) || is_in_hdcp1_dp_states(hdcp));
+}
+
+static inline uint8_t is_hdcp2(struct mod_hdcp *hdcp)
+{
+ return (is_in_hdcp2_states(hdcp) || is_in_hdcp2_dp_states(hdcp));
+}
+
+static inline uint8_t is_in_cp_not_desired_state(struct mod_hdcp *hdcp)
+{
+ return current_state(hdcp) == HDCP_CP_NOT_DESIRED;
+}
+
+static inline uint8_t is_in_initialized_state(struct mod_hdcp *hdcp)
+{
+ return current_state(hdcp) == HDCP_INITIALIZED;
+}
+
+/* transition operation helpers */
+static inline void increment_stay_counter(struct mod_hdcp *hdcp)
+{
+ hdcp->state.stay_count++;
+}
+
+static inline void fail_and_restart_in_ms(uint16_t time,
+ enum mod_hdcp_status *status,
+ struct mod_hdcp_output *output)
+{
+ output->callback_needed = 1;
+ output->callback_delay = time;
+ output->watchdog_timer_needed = 0;
+ output->watchdog_timer_delay = 0;
+ *status = MOD_HDCP_STATUS_RESET_NEEDED;
+}
+
+static inline void callback_in_ms(uint16_t time, struct mod_hdcp_output *output)
+{
+ output->callback_needed = 1;
+ output->callback_delay = time;
+}
+
+static inline void set_watchdog_in_ms(struct mod_hdcp *hdcp, uint16_t time,
+ struct mod_hdcp_output *output)
+{
+ output->watchdog_timer_needed = 1;
+ output->watchdog_timer_delay = time;
+}
+
+static inline void set_auth_complete(struct mod_hdcp *hdcp,
+ struct mod_hdcp_output *output)
+{
+ output->auth_complete = 1;
+ mod_hdcp_log_ddc_trace(hdcp);
+}
+
+/* connection topology helpers */
+static inline uint8_t is_display_active(struct mod_hdcp_display *display)
+{
+ return display->state >= MOD_HDCP_DISPLAY_ACTIVE;
+}
+
+static inline uint8_t is_display_encryption_enabled(struct mod_hdcp_display *display)
+{
+ return display->state >= MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED;
+}
+
+static inline uint8_t get_active_display_count(struct mod_hdcp *hdcp)
+{
+ uint8_t active_count = 0;
+ uint8_t i;
+
+ for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++)
+ if (is_display_active(&hdcp->displays[i]))
+ active_count++;
+ return active_count;
+}
+
+static inline struct mod_hdcp_display *get_first_active_display(
+ struct mod_hdcp *hdcp)
+{
+ uint8_t i;
+ struct mod_hdcp_display *display = NULL;
+
+ for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++)
+ if (is_display_active(&hdcp->displays[i])) {
+ display = &hdcp->displays[i];
+ break;
+ }
+ return display;
+}
+
+static inline struct mod_hdcp_display *get_active_display_at_index(
+ struct mod_hdcp *hdcp, uint8_t index)
+{
+ uint8_t i;
+ struct mod_hdcp_display *display = NULL;
+
+ for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++)
+ if (hdcp->displays[i].index == index &&
+ is_display_active(&hdcp->displays[i])) {
+ display = &hdcp->displays[i];
+ break;
+ }
+ return display;
+}
+
+static inline struct mod_hdcp_display *get_empty_display_container(
+ struct mod_hdcp *hdcp)
+{
+ uint8_t i;
+ struct mod_hdcp_display *display = NULL;
+
+ for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++)
+ if (!is_display_active(&hdcp->displays[i])) {
+ display = &hdcp->displays[i];
+ break;
+ }
+ return display;
+}
+
+static inline void reset_retry_counts(struct mod_hdcp *hdcp)
+{
+ hdcp->connection.hdcp1_retry_count = 0;
+ hdcp->connection.hdcp2_retry_count = 0;
+}
+
+#endif /* HDCP_H_ */
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c
new file mode 100644
index 000000000..1ddb4f5ea
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c
@@ -0,0 +1,535 @@
+/*
+ * Copyright 2019 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "hdcp.h"
+
+static inline enum mod_hdcp_status validate_bksv(struct mod_hdcp *hdcp)
+{
+ uint64_t n = 0;
+ uint8_t count = 0;
+ u8 bksv[sizeof(n)] = { };
+
+ memcpy(bksv, hdcp->auth.msg.hdcp1.bksv, sizeof(hdcp->auth.msg.hdcp1.bksv));
+ n = *(uint64_t *)bksv;
+
+ while (n) {
+ count++;
+ n &= (n - 1);
+ }
+ return (count == 20) ? MOD_HDCP_STATUS_SUCCESS :
+ MOD_HDCP_STATUS_HDCP1_INVALID_BKSV;
+}
+
+static inline enum mod_hdcp_status check_ksv_ready(struct mod_hdcp *hdcp)
+{
+ if (is_dp_hdcp(hdcp))
+ return (hdcp->auth.msg.hdcp1.bstatus & DP_BSTATUS_READY) ?
+ MOD_HDCP_STATUS_SUCCESS :
+ MOD_HDCP_STATUS_HDCP1_KSV_LIST_NOT_READY;
+ return (hdcp->auth.msg.hdcp1.bcaps & DRM_HDCP_DDC_BCAPS_KSV_FIFO_READY) ?
+ MOD_HDCP_STATUS_SUCCESS :
+ MOD_HDCP_STATUS_HDCP1_KSV_LIST_NOT_READY;
+}
+
+static inline enum mod_hdcp_status check_hdcp_capable_dp(struct mod_hdcp *hdcp)
+{
+ return (hdcp->auth.msg.hdcp1.bcaps & DP_BCAPS_HDCP_CAPABLE) ?
+ MOD_HDCP_STATUS_SUCCESS :
+ MOD_HDCP_STATUS_HDCP1_NOT_CAPABLE;
+}
+
+static inline enum mod_hdcp_status check_r0p_available_dp(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+ if (is_dp_hdcp(hdcp)) {
+ status = (hdcp->auth.msg.hdcp1.bstatus &
+ DP_BSTATUS_R0_PRIME_READY) ?
+ MOD_HDCP_STATUS_SUCCESS :
+ MOD_HDCP_STATUS_HDCP1_R0_PRIME_PENDING;
+ } else {
+ status = MOD_HDCP_STATUS_INVALID_OPERATION;
+ }
+ return status;
+}
+
+static inline enum mod_hdcp_status check_link_integrity_dp(
+ struct mod_hdcp *hdcp)
+{
+ return (hdcp->auth.msg.hdcp1.bstatus &
+ DP_BSTATUS_LINK_FAILURE) ?
+ MOD_HDCP_STATUS_HDCP1_LINK_INTEGRITY_FAILURE :
+ MOD_HDCP_STATUS_SUCCESS;
+}
+
+static inline enum mod_hdcp_status check_no_reauthentication_request_dp(
+ struct mod_hdcp *hdcp)
+{
+ return (hdcp->auth.msg.hdcp1.bstatus & DP_BSTATUS_REAUTH_REQ) ?
+ MOD_HDCP_STATUS_HDCP1_REAUTH_REQUEST_ISSUED :
+ MOD_HDCP_STATUS_SUCCESS;
+}
+
+static inline enum mod_hdcp_status check_no_max_cascade(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+
+ if (is_dp_hdcp(hdcp))
+ status = DRM_HDCP_MAX_CASCADE_EXCEEDED(hdcp->auth.msg.hdcp1.binfo_dp >> 8)
+ ? MOD_HDCP_STATUS_HDCP1_MAX_CASCADE_EXCEEDED_FAILURE
+ : MOD_HDCP_STATUS_SUCCESS;
+ else
+ status = DRM_HDCP_MAX_CASCADE_EXCEEDED(hdcp->auth.msg.hdcp1.bstatus >> 8)
+ ? MOD_HDCP_STATUS_HDCP1_MAX_CASCADE_EXCEEDED_FAILURE
+ : MOD_HDCP_STATUS_SUCCESS;
+ return status;
+}
+
+static inline enum mod_hdcp_status check_no_max_devs(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+
+ if (is_dp_hdcp(hdcp))
+ status = DRM_HDCP_MAX_DEVICE_EXCEEDED(hdcp->auth.msg.hdcp1.binfo_dp) ?
+ MOD_HDCP_STATUS_HDCP1_MAX_DEVS_EXCEEDED_FAILURE :
+ MOD_HDCP_STATUS_SUCCESS;
+ else
+ status = DRM_HDCP_MAX_DEVICE_EXCEEDED(hdcp->auth.msg.hdcp1.bstatus) ?
+ MOD_HDCP_STATUS_HDCP1_MAX_DEVS_EXCEEDED_FAILURE :
+ MOD_HDCP_STATUS_SUCCESS;
+ return status;
+}
+
+static inline uint8_t get_device_count(struct mod_hdcp *hdcp)
+{
+ return is_dp_hdcp(hdcp) ?
+ DRM_HDCP_NUM_DOWNSTREAM(hdcp->auth.msg.hdcp1.binfo_dp) :
+ DRM_HDCP_NUM_DOWNSTREAM(hdcp->auth.msg.hdcp1.bstatus);
+}
+
+static inline enum mod_hdcp_status check_device_count(struct mod_hdcp *hdcp)
+{
+ /* Avoid device count == 0 to do authentication */
+ if (0 == get_device_count(hdcp)) {
+ return MOD_HDCP_STATUS_HDCP1_DEVICE_COUNT_MISMATCH_FAILURE;
+ }
+
+ /* Some MST display may choose to report the internal panel as an HDCP RX.
+ * To update this condition with 1(because the immediate repeater's internal
+ * panel is possibly not included in DEVICE_COUNT) + get_device_count(hdcp).
+ * Device count must be greater than or equal to tracked hdcp displays.
+ */
+ return ((1 + get_device_count(hdcp)) < get_active_display_count(hdcp)) ?
+ MOD_HDCP_STATUS_HDCP1_DEVICE_COUNT_MISMATCH_FAILURE :
+ MOD_HDCP_STATUS_SUCCESS;
+}
+
+static enum mod_hdcp_status wait_for_active_rx(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp1 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+
+ if (!mod_hdcp_execute_and_set(mod_hdcp_read_bksv,
+ &input->bksv_read, &status,
+ hdcp, "bksv_read"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(mod_hdcp_read_bcaps,
+ &input->bcaps_read, &status,
+ hdcp, "bcaps_read"))
+ goto out;
+out:
+ return status;
+}
+
+static enum mod_hdcp_status exchange_ksvs(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp1 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+
+ if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp1_create_session,
+ &input->create_session, &status,
+ hdcp, "create_session"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(mod_hdcp_write_an,
+ &input->an_write, &status,
+ hdcp, "an_write"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(mod_hdcp_write_aksv,
+ &input->aksv_write, &status,
+ hdcp, "aksv_write"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(mod_hdcp_read_bksv,
+ &input->bksv_read, &status,
+ hdcp, "bksv_read"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(validate_bksv,
+ &input->bksv_validation, &status,
+ hdcp, "bksv_validation"))
+ goto out;
+ if (hdcp->auth.msg.hdcp1.ainfo) {
+ if (!mod_hdcp_execute_and_set(mod_hdcp_write_ainfo,
+ &input->ainfo_write, &status,
+ hdcp, "ainfo_write"))
+ goto out;
+ }
+out:
+ return status;
+}
+
+static enum mod_hdcp_status computations_validate_rx_test_for_repeater(
+ struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp1 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+
+ if (!mod_hdcp_execute_and_set(mod_hdcp_read_r0p,
+ &input->r0p_read, &status,
+ hdcp, "r0p_read"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp1_validate_rx,
+ &input->rx_validation, &status,
+ hdcp, "rx_validation"))
+ goto out;
+ if (hdcp->connection.is_repeater) {
+ if (!hdcp->connection.link.adjust.hdcp1.postpone_encryption)
+ if (!mod_hdcp_execute_and_set(
+ mod_hdcp_hdcp1_enable_encryption,
+ &input->encryption, &status,
+ hdcp, "encryption"))
+ goto out;
+ } else {
+ if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp1_enable_encryption,
+ &input->encryption, &status,
+ hdcp, "encryption"))
+ goto out;
+ if (is_dp_mst_hdcp(hdcp))
+ if (!mod_hdcp_execute_and_set(
+ mod_hdcp_hdcp1_enable_dp_stream_encryption,
+ &input->stream_encryption_dp, &status,
+ hdcp, "stream_encryption_dp"))
+ goto out;
+ }
+out:
+ return status;
+}
+
+static enum mod_hdcp_status authenticated(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp1 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+
+ mod_hdcp_execute_and_set(mod_hdcp_hdcp1_link_maintenance,
+ &input->link_maintenance, &status,
+ hdcp, "link_maintenance");
+out:
+ return status;
+}
+
+static enum mod_hdcp_status wait_for_ready(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp1 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK &&
+ event_ctx->event != MOD_HDCP_EVENT_CPIRQ &&
+ event_ctx->event != MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+
+ if (is_dp_hdcp(hdcp)) {
+ if (!mod_hdcp_execute_and_set(mod_hdcp_read_bstatus,
+ &input->bstatus_read, &status,
+ hdcp, "bstatus_read"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(check_link_integrity_dp,
+ &input->link_integrity_check, &status,
+ hdcp, "link_integrity_check"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(check_no_reauthentication_request_dp,
+ &input->reauth_request_check, &status,
+ hdcp, "reauth_request_check"))
+ goto out;
+ } else {
+ if (!mod_hdcp_execute_and_set(mod_hdcp_read_bcaps,
+ &input->bcaps_read, &status,
+ hdcp, "bcaps_read"))
+ goto out;
+ }
+ if (!mod_hdcp_execute_and_set(check_ksv_ready,
+ &input->ready_check, &status,
+ hdcp, "ready_check"))
+ goto out;
+out:
+ return status;
+}
+
+static enum mod_hdcp_status read_ksv_list(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp1 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ uint8_t device_count;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+
+ if (is_dp_hdcp(hdcp)) {
+ if (!mod_hdcp_execute_and_set(mod_hdcp_read_binfo,
+ &input->binfo_read_dp, &status,
+ hdcp, "binfo_read_dp"))
+ goto out;
+ } else {
+ if (!mod_hdcp_execute_and_set(mod_hdcp_read_bstatus,
+ &input->bstatus_read, &status,
+ hdcp, "bstatus_read"))
+ goto out;
+ }
+ if (!mod_hdcp_execute_and_set(check_no_max_cascade,
+ &input->max_cascade_check, &status,
+ hdcp, "max_cascade_check"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(check_no_max_devs,
+ &input->max_devs_check, &status,
+ hdcp, "max_devs_check"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(check_device_count,
+ &input->device_count_check, &status,
+ hdcp, "device_count_check"))
+ goto out;
+ device_count = get_device_count(hdcp);
+ hdcp->auth.msg.hdcp1.ksvlist_size = device_count*5;
+ if (!mod_hdcp_execute_and_set(mod_hdcp_read_ksvlist,
+ &input->ksvlist_read, &status,
+ hdcp, "ksvlist_read"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(mod_hdcp_read_vp,
+ &input->vp_read, &status,
+ hdcp, "vp_read"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp1_validate_ksvlist_vp,
+ &input->ksvlist_vp_validation, &status,
+ hdcp, "ksvlist_vp_validation"))
+ goto out;
+ if (input->encryption != PASS)
+ if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp1_enable_encryption,
+ &input->encryption, &status,
+ hdcp, "encryption"))
+ goto out;
+ if (is_dp_mst_hdcp(hdcp))
+ if (!mod_hdcp_execute_and_set(
+ mod_hdcp_hdcp1_enable_dp_stream_encryption,
+ &input->stream_encryption_dp, &status,
+ hdcp, "stream_encryption_dp"))
+ goto out;
+out:
+ return status;
+}
+
+static enum mod_hdcp_status determine_rx_hdcp_capable_dp(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp1 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+
+ if (!mod_hdcp_execute_and_set(mod_hdcp_read_bcaps,
+ &input->bcaps_read, &status,
+ hdcp, "bcaps_read"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(check_hdcp_capable_dp,
+ &input->hdcp_capable_dp, &status,
+ hdcp, "hdcp_capable_dp"))
+ goto out;
+out:
+ return status;
+}
+
+static enum mod_hdcp_status wait_for_r0_prime_dp(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp1 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CPIRQ &&
+ event_ctx->event != MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+
+ if (!mod_hdcp_execute_and_set(mod_hdcp_read_bstatus,
+ &input->bstatus_read, &status,
+ hdcp, "bstatus_read"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(check_r0p_available_dp,
+ &input->r0p_available_dp, &status,
+ hdcp, "r0p_available_dp"))
+ goto out;
+out:
+ return status;
+}
+
+static enum mod_hdcp_status authenticated_dp(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp1 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CPIRQ) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+
+ if (status == MOD_HDCP_STATUS_SUCCESS)
+ mod_hdcp_execute_and_set(mod_hdcp_read_bstatus,
+ &input->bstatus_read, &status,
+ hdcp, "bstatus_read");
+ if (status == MOD_HDCP_STATUS_SUCCESS)
+ mod_hdcp_execute_and_set(check_link_integrity_dp,
+ &input->link_integrity_check, &status,
+ hdcp, "link_integrity_check");
+ if (status == MOD_HDCP_STATUS_SUCCESS)
+ mod_hdcp_execute_and_set(check_no_reauthentication_request_dp,
+ &input->reauth_request_check, &status,
+ hdcp, "reauth_request_check");
+out:
+ return status;
+}
+
+uint8_t mod_hdcp_execute_and_set(
+ mod_hdcp_action func, uint8_t *flag,
+ enum mod_hdcp_status *status, struct mod_hdcp *hdcp, char *str)
+{
+ *status = func(hdcp);
+ if (*status == MOD_HDCP_STATUS_SUCCESS && *flag != PASS) {
+ HDCP_INPUT_PASS_TRACE(hdcp, str);
+ *flag = PASS;
+ } else if (*status != MOD_HDCP_STATUS_SUCCESS && *flag != FAIL) {
+ HDCP_INPUT_FAIL_TRACE(hdcp, str);
+ *flag = FAIL;
+ }
+ return (*status == MOD_HDCP_STATUS_SUCCESS);
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp1_execution(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp1 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ switch (current_state(hdcp)) {
+ case H1_A0_WAIT_FOR_ACTIVE_RX:
+ status = wait_for_active_rx(hdcp, event_ctx, input);
+ break;
+ case H1_A1_EXCHANGE_KSVS:
+ status = exchange_ksvs(hdcp, event_ctx, input);
+ break;
+ case H1_A2_COMPUTATIONS_A3_VALIDATE_RX_A6_TEST_FOR_REPEATER:
+ status = computations_validate_rx_test_for_repeater(hdcp,
+ event_ctx, input);
+ break;
+ case H1_A45_AUTHENTICATED:
+ status = authenticated(hdcp, event_ctx, input);
+ break;
+ case H1_A8_WAIT_FOR_READY:
+ status = wait_for_ready(hdcp, event_ctx, input);
+ break;
+ case H1_A9_READ_KSV_LIST:
+ status = read_ksv_list(hdcp, event_ctx, input);
+ break;
+ default:
+ status = MOD_HDCP_STATUS_INVALID_STATE;
+ break;
+ }
+
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp1_dp_execution(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp1 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ switch (current_state(hdcp)) {
+ case D1_A0_DETERMINE_RX_HDCP_CAPABLE:
+ status = determine_rx_hdcp_capable_dp(hdcp, event_ctx, input);
+ break;
+ case D1_A1_EXCHANGE_KSVS:
+ status = exchange_ksvs(hdcp, event_ctx, input);
+ break;
+ case D1_A23_WAIT_FOR_R0_PRIME:
+ status = wait_for_r0_prime_dp(hdcp, event_ctx, input);
+ break;
+ case D1_A2_COMPUTATIONS_A3_VALIDATE_RX_A5_TEST_FOR_REPEATER:
+ status = computations_validate_rx_test_for_repeater(
+ hdcp, event_ctx, input);
+ break;
+ case D1_A4_AUTHENTICATED:
+ status = authenticated_dp(hdcp, event_ctx, input);
+ break;
+ case D1_A6_WAIT_FOR_READY:
+ status = wait_for_ready(hdcp, event_ctx, input);
+ break;
+ case D1_A7_READ_KSV_LIST:
+ status = read_ksv_list(hdcp, event_ctx, input);
+ break;
+ default:
+ status = MOD_HDCP_STATUS_INVALID_STATE;
+ break;
+ }
+
+ return status;
+}
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_transition.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_transition.c
new file mode 100644
index 000000000..7f011196c
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_transition.c
@@ -0,0 +1,322 @@
+/*
+ * Copyright 2019 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "hdcp.h"
+
+enum mod_hdcp_status mod_hdcp_hdcp1_transition(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp1 *input,
+ struct mod_hdcp_output *output)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ struct mod_hdcp_connection *conn = &hdcp->connection;
+ struct mod_hdcp_link_adjustment *adjust = &hdcp->connection.link.adjust;
+
+ switch (current_state(hdcp)) {
+ case H1_A0_WAIT_FOR_ACTIVE_RX:
+ if (input->bksv_read != PASS || input->bcaps_read != PASS) {
+ /* 1A-04: repeatedly attempts on port access failure */
+ callback_in_ms(500, output);
+ increment_stay_counter(hdcp);
+ break;
+ }
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H1_A1_EXCHANGE_KSVS);
+ break;
+ case H1_A1_EXCHANGE_KSVS:
+ if (input->create_session != PASS) {
+ /* out of sync with psp state */
+ adjust->hdcp1.disable = 1;
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (input->an_write != PASS ||
+ input->aksv_write != PASS ||
+ input->bksv_read != PASS ||
+ input->bksv_validation != PASS ||
+ input->ainfo_write == FAIL) {
+ /* 1A-05: consider invalid bksv a failure */
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ callback_in_ms(300, output);
+ set_state_id(hdcp, output,
+ H1_A2_COMPUTATIONS_A3_VALIDATE_RX_A6_TEST_FOR_REPEATER);
+ break;
+ case H1_A2_COMPUTATIONS_A3_VALIDATE_RX_A6_TEST_FOR_REPEATER:
+ if (input->bcaps_read != PASS ||
+ input->r0p_read != PASS) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (input->rx_validation != PASS) {
+ /* 1A-06: consider invalid r0' a failure */
+ /* 1A-08: consider bksv listed in SRM a failure */
+ /*
+ * some slow RX will fail rx validation when it is
+ * not ready. give it more time to react before retry.
+ */
+ fail_and_restart_in_ms(1000, &status, output);
+ break;
+ } else if (!conn->is_repeater && input->encryption != PASS) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ if (conn->is_repeater) {
+ callback_in_ms(0, output);
+ set_watchdog_in_ms(hdcp, 5000, output);
+ set_state_id(hdcp, output, H1_A8_WAIT_FOR_READY);
+ } else {
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H1_A45_AUTHENTICATED);
+ set_auth_complete(hdcp, output);
+ }
+ break;
+ case H1_A45_AUTHENTICATED:
+ if (input->link_maintenance == FAIL) {
+ /* 1A-07: consider invalid ri' a failure */
+ /* 1A-07a: consider read ri' not returned a failure */
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ callback_in_ms(500, output);
+ increment_stay_counter(hdcp);
+ break;
+ case H1_A8_WAIT_FOR_READY:
+ if (input->ready_check != PASS) {
+ if (event_ctx->event ==
+ MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) {
+ /* 1B-03: fail hdcp on ksv list READY timeout */
+ /* prevent black screen in next attempt */
+ adjust->hdcp1.postpone_encryption = 1;
+ fail_and_restart_in_ms(0, &status, output);
+ } else {
+ /* continue ksv list READY polling*/
+ callback_in_ms(500, output);
+ increment_stay_counter(hdcp);
+ }
+ break;
+ }
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H1_A9_READ_KSV_LIST);
+ break;
+ case H1_A9_READ_KSV_LIST:
+ if (input->bstatus_read != PASS ||
+ input->max_cascade_check != PASS ||
+ input->max_devs_check != PASS ||
+ input->device_count_check != PASS ||
+ input->ksvlist_read != PASS ||
+ input->vp_read != PASS ||
+ input->ksvlist_vp_validation != PASS ||
+ input->encryption != PASS) {
+ /* 1B-06: consider MAX_CASCADE_EXCEEDED a failure */
+ /* 1B-05: consider MAX_DEVS_EXCEEDED a failure */
+ /* 1B-04: consider invalid v' a failure */
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H1_A45_AUTHENTICATED);
+ set_auth_complete(hdcp, output);
+ break;
+ default:
+ status = MOD_HDCP_STATUS_INVALID_STATE;
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp1_dp_transition(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp1 *input,
+ struct mod_hdcp_output *output)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ struct mod_hdcp_connection *conn = &hdcp->connection;
+ struct mod_hdcp_link_adjustment *adjust = &hdcp->connection.link.adjust;
+
+ switch (current_state(hdcp)) {
+ case D1_A0_DETERMINE_RX_HDCP_CAPABLE:
+ if (input->bcaps_read != PASS) {
+ /* 1A-04: no authentication on bcaps read failure */
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (input->hdcp_capable_dp != PASS) {
+ adjust->hdcp1.disable = 1;
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, D1_A1_EXCHANGE_KSVS);
+ break;
+ case D1_A1_EXCHANGE_KSVS:
+ if (input->create_session != PASS) {
+ /* out of sync with psp state */
+ adjust->hdcp1.disable = 1;
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (input->an_write != PASS ||
+ input->aksv_write != PASS ||
+ input->bksv_read != PASS ||
+ input->bksv_validation != PASS ||
+ input->ainfo_write == FAIL) {
+ /* 1A-05: consider invalid bksv a failure */
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ set_watchdog_in_ms(hdcp, 100, output);
+ set_state_id(hdcp, output, D1_A23_WAIT_FOR_R0_PRIME);
+ break;
+ case D1_A23_WAIT_FOR_R0_PRIME:
+ if (input->bstatus_read != PASS) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (input->r0p_available_dp != PASS) {
+ if (event_ctx->event == MOD_HDCP_EVENT_WATCHDOG_TIMEOUT)
+ fail_and_restart_in_ms(0, &status, output);
+ else
+ increment_stay_counter(hdcp);
+ break;
+ }
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, D1_A2_COMPUTATIONS_A3_VALIDATE_RX_A5_TEST_FOR_REPEATER);
+ break;
+ case D1_A2_COMPUTATIONS_A3_VALIDATE_RX_A5_TEST_FOR_REPEATER:
+ if (input->r0p_read != PASS) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (input->rx_validation != PASS) {
+ if (hdcp->state.stay_count < 2 &&
+ !hdcp->connection.is_hdcp1_revoked) {
+ /* allow 2 additional retries */
+ callback_in_ms(0, output);
+ increment_stay_counter(hdcp);
+ } else {
+ /*
+ * 1A-06: consider invalid r0' a failure
+ * after 3 attempts.
+ * 1A-08: consider bksv listed in SRM a failure
+ */
+ /*
+ * some slow RX will fail rx validation when it is
+ * not ready. give it more time to react before retry.
+ */
+ fail_and_restart_in_ms(1000, &status, output);
+ }
+ break;
+ } else if ((!conn->is_repeater && input->encryption != PASS) ||
+ (!conn->is_repeater && is_dp_mst_hdcp(hdcp) && input->stream_encryption_dp != PASS)) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (conn->hdcp1_retry_count < conn->link.adjust.hdcp1.min_auth_retries_wa) {
+ fail_and_restart_in_ms(200, &status, output);
+ break;
+ }
+ if (conn->is_repeater) {
+ set_watchdog_in_ms(hdcp, 5000, output);
+ set_state_id(hdcp, output, D1_A6_WAIT_FOR_READY);
+ } else {
+ set_state_id(hdcp, output, D1_A4_AUTHENTICATED);
+ set_auth_complete(hdcp, output);
+ }
+ break;
+ case D1_A4_AUTHENTICATED:
+ if (input->link_integrity_check == FAIL ||
+ input->reauth_request_check == FAIL) {
+ /* 1A-07: restart hdcp on a link integrity failure */
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ break;
+ case D1_A6_WAIT_FOR_READY:
+ if (input->link_integrity_check == FAIL ||
+ input->reauth_request_check == FAIL) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (input->ready_check != PASS) {
+ if (event_ctx->event ==
+ MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) {
+ /* 1B-04: fail hdcp on ksv list READY timeout */
+ /* prevent black screen in next attempt */
+ adjust->hdcp1.postpone_encryption = 1;
+ fail_and_restart_in_ms(0, &status, output);
+ } else {
+ increment_stay_counter(hdcp);
+ }
+ break;
+ }
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, D1_A7_READ_KSV_LIST);
+ break;
+ case D1_A7_READ_KSV_LIST:
+ if (input->binfo_read_dp != PASS ||
+ input->max_cascade_check != PASS ||
+ input->max_devs_check != PASS) {
+ /* 1B-06: consider MAX_DEVS_EXCEEDED a failure */
+ /* 1B-07: consider MAX_CASCADE_EXCEEDED a failure */
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (input->device_count_check != PASS) {
+ /*
+ * some slow dongle doesn't update
+ * device count as soon as downstream is connected.
+ * give it more time to react.
+ */
+ adjust->hdcp1.postpone_encryption = 1;
+ fail_and_restart_in_ms(1000, &status, output);
+ break;
+ } else if (input->ksvlist_read != PASS ||
+ input->vp_read != PASS) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (input->ksvlist_vp_validation != PASS) {
+ if (hdcp->state.stay_count < 2 &&
+ !hdcp->connection.is_hdcp1_revoked) {
+ /* allow 2 additional retries */
+ callback_in_ms(0, output);
+ increment_stay_counter(hdcp);
+ } else {
+ /*
+ * 1B-05: consider invalid v' a failure
+ * after 3 attempts.
+ */
+ fail_and_restart_in_ms(0, &status, output);
+ }
+ break;
+ } else if (input->encryption != PASS ||
+ (is_dp_mst_hdcp(hdcp) && input->stream_encryption_dp != PASS)) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ set_state_id(hdcp, output, D1_A4_AUTHENTICATED);
+ set_auth_complete(hdcp, output);
+ break;
+ default:
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+
+ return status;
+}
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c
new file mode 100644
index 000000000..91c22b96e
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c
@@ -0,0 +1,889 @@
+/*
+ * Copyright 2018 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include <linux/delay.h>
+
+#include "hdcp.h"
+
+static inline enum mod_hdcp_status check_receiver_id_list_ready(struct mod_hdcp *hdcp)
+{
+ uint8_t is_ready = 0;
+
+ if (is_dp_hdcp(hdcp))
+ is_ready = HDCP_2_2_DP_RXSTATUS_READY(hdcp->auth.msg.hdcp2.rxstatus_dp) ? 1 : 0;
+ else
+ is_ready = (HDCP_2_2_HDMI_RXSTATUS_READY(hdcp->auth.msg.hdcp2.rxstatus[1]) &&
+ (HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 |
+ hdcp->auth.msg.hdcp2.rxstatus[0])) ? 1 : 0;
+ return is_ready ? MOD_HDCP_STATUS_SUCCESS :
+ MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_NOT_READY;
+}
+
+static inline enum mod_hdcp_status check_hdcp2_capable(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+
+ if (is_dp_hdcp(hdcp))
+ status = (hdcp->auth.msg.hdcp2.rxcaps_dp[0] == HDCP_2_2_RX_CAPS_VERSION_VAL) &&
+ HDCP_2_2_DP_HDCP_CAPABLE(hdcp->auth.msg.hdcp2.rxcaps_dp[2]) ?
+ MOD_HDCP_STATUS_SUCCESS :
+ MOD_HDCP_STATUS_HDCP2_NOT_CAPABLE;
+ else
+ status = (hdcp->auth.msg.hdcp2.hdcp2version_hdmi & HDCP_2_2_HDMI_SUPPORT_MASK) ?
+ MOD_HDCP_STATUS_SUCCESS :
+ MOD_HDCP_STATUS_HDCP2_NOT_CAPABLE;
+ return status;
+}
+
+static inline enum mod_hdcp_status check_reauthentication_request(
+ struct mod_hdcp *hdcp)
+{
+ uint8_t ret = 0;
+
+ if (is_dp_hdcp(hdcp))
+ ret = HDCP_2_2_DP_RXSTATUS_REAUTH_REQ(hdcp->auth.msg.hdcp2.rxstatus_dp) ?
+ MOD_HDCP_STATUS_HDCP2_REAUTH_REQUEST :
+ MOD_HDCP_STATUS_SUCCESS;
+ else
+ ret = HDCP_2_2_HDMI_RXSTATUS_REAUTH_REQ(hdcp->auth.msg.hdcp2.rxstatus[1]) ?
+ MOD_HDCP_STATUS_HDCP2_REAUTH_REQUEST :
+ MOD_HDCP_STATUS_SUCCESS;
+ return ret;
+}
+
+static inline enum mod_hdcp_status check_link_integrity_failure_dp(
+ struct mod_hdcp *hdcp)
+{
+ return HDCP_2_2_DP_RXSTATUS_LINK_FAILED(hdcp->auth.msg.hdcp2.rxstatus_dp) ?
+ MOD_HDCP_STATUS_HDCP2_REAUTH_LINK_INTEGRITY_FAILURE :
+ MOD_HDCP_STATUS_SUCCESS;
+}
+
+static enum mod_hdcp_status check_ake_cert_available(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+ uint16_t size;
+
+ if (is_dp_hdcp(hdcp)) {
+ status = MOD_HDCP_STATUS_SUCCESS;
+ } else {
+ status = mod_hdcp_read_rxstatus(hdcp);
+ if (status == MOD_HDCP_STATUS_SUCCESS) {
+ size = HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 |
+ hdcp->auth.msg.hdcp2.rxstatus[0];
+ status = (size == sizeof(hdcp->auth.msg.hdcp2.ake_cert)) ?
+ MOD_HDCP_STATUS_SUCCESS :
+ MOD_HDCP_STATUS_HDCP2_AKE_CERT_PENDING;
+ }
+ }
+ return status;
+}
+
+static enum mod_hdcp_status check_h_prime_available(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+ uint8_t size;
+
+ status = mod_hdcp_read_rxstatus(hdcp);
+ if (status != MOD_HDCP_STATUS_SUCCESS)
+ goto out;
+
+ if (is_dp_hdcp(hdcp)) {
+ status = HDCP_2_2_DP_RXSTATUS_H_PRIME(hdcp->auth.msg.hdcp2.rxstatus_dp) ?
+ MOD_HDCP_STATUS_SUCCESS :
+ MOD_HDCP_STATUS_HDCP2_H_PRIME_PENDING;
+ } else {
+ size = HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 |
+ hdcp->auth.msg.hdcp2.rxstatus[0];
+ status = (size == sizeof(hdcp->auth.msg.hdcp2.ake_h_prime)) ?
+ MOD_HDCP_STATUS_SUCCESS :
+ MOD_HDCP_STATUS_HDCP2_H_PRIME_PENDING;
+ }
+out:
+ return status;
+}
+
+static enum mod_hdcp_status check_pairing_info_available(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+ uint8_t size;
+
+ status = mod_hdcp_read_rxstatus(hdcp);
+ if (status != MOD_HDCP_STATUS_SUCCESS)
+ goto out;
+
+ if (is_dp_hdcp(hdcp)) {
+ status = HDCP_2_2_DP_RXSTATUS_PAIRING(hdcp->auth.msg.hdcp2.rxstatus_dp) ?
+ MOD_HDCP_STATUS_SUCCESS :
+ MOD_HDCP_STATUS_HDCP2_PAIRING_INFO_PENDING;
+ } else {
+ size = HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 |
+ hdcp->auth.msg.hdcp2.rxstatus[0];
+ status = (size == sizeof(hdcp->auth.msg.hdcp2.ake_pairing_info)) ?
+ MOD_HDCP_STATUS_SUCCESS :
+ MOD_HDCP_STATUS_HDCP2_PAIRING_INFO_PENDING;
+ }
+out:
+ return status;
+}
+
+static enum mod_hdcp_status poll_l_prime_available(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+ uint8_t size;
+ uint16_t max_wait = 20; // units of ms
+ uint16_t num_polls = 5;
+ uint16_t wait_time = max_wait / num_polls;
+
+ if (is_dp_hdcp(hdcp))
+ status = MOD_HDCP_STATUS_INVALID_OPERATION;
+ else
+ for (; num_polls; num_polls--) {
+ msleep(wait_time);
+
+ status = mod_hdcp_read_rxstatus(hdcp);
+ if (status != MOD_HDCP_STATUS_SUCCESS)
+ break;
+
+ size = HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 |
+ hdcp->auth.msg.hdcp2.rxstatus[0];
+ status = (size == sizeof(hdcp->auth.msg.hdcp2.lc_l_prime)) ?
+ MOD_HDCP_STATUS_SUCCESS :
+ MOD_HDCP_STATUS_HDCP2_L_PRIME_PENDING;
+ if (status == MOD_HDCP_STATUS_SUCCESS)
+ break;
+ }
+ return status;
+}
+
+static enum mod_hdcp_status check_stream_ready_available(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+ uint8_t size;
+
+ if (is_dp_hdcp(hdcp)) {
+ status = MOD_HDCP_STATUS_INVALID_OPERATION;
+ } else {
+ status = mod_hdcp_read_rxstatus(hdcp);
+ if (status != MOD_HDCP_STATUS_SUCCESS)
+ goto out;
+ size = HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 |
+ hdcp->auth.msg.hdcp2.rxstatus[0];
+ status = (size == sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_ready)) ?
+ MOD_HDCP_STATUS_SUCCESS :
+ MOD_HDCP_STATUS_HDCP2_STREAM_READY_PENDING;
+ }
+out:
+ return status;
+}
+
+static inline uint8_t get_device_count(struct mod_hdcp *hdcp)
+{
+ return HDCP_2_2_DEV_COUNT_LO(hdcp->auth.msg.hdcp2.rx_id_list[2]) +
+ (HDCP_2_2_DEV_COUNT_HI(hdcp->auth.msg.hdcp2.rx_id_list[1]) << 4);
+}
+
+static enum mod_hdcp_status check_device_count(struct mod_hdcp *hdcp)
+{
+ /* Avoid device count == 0 to do authentication */
+ if (0 == get_device_count(hdcp)) {
+ return MOD_HDCP_STATUS_HDCP1_DEVICE_COUNT_MISMATCH_FAILURE;
+ }
+
+ /* Some MST display may choose to report the internal panel as an HDCP RX. */
+ /* To update this condition with 1(because the immediate repeater's internal */
+ /* panel is possibly not included in DEVICE_COUNT) + get_device_count(hdcp). */
+ /* Device count must be greater than or equal to tracked hdcp displays. */
+ return ((1 + get_device_count(hdcp)) < get_active_display_count(hdcp)) ?
+ MOD_HDCP_STATUS_HDCP2_DEVICE_COUNT_MISMATCH_FAILURE :
+ MOD_HDCP_STATUS_SUCCESS;
+}
+
+static uint8_t process_rxstatus(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input,
+ enum mod_hdcp_status *status)
+{
+ if (!mod_hdcp_execute_and_set(mod_hdcp_read_rxstatus,
+ &input->rxstatus_read, status,
+ hdcp, "rxstatus_read"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(check_reauthentication_request,
+ &input->reauth_request_check, status,
+ hdcp, "reauth_request_check"))
+ goto out;
+ if (is_dp_hdcp(hdcp)) {
+ if (!mod_hdcp_execute_and_set(check_link_integrity_failure_dp,
+ &input->link_integrity_check_dp, status,
+ hdcp, "link_integrity_check_dp"))
+ goto out;
+ }
+ if (hdcp->connection.is_repeater)
+ if (check_receiver_id_list_ready(hdcp) ==
+ MOD_HDCP_STATUS_SUCCESS) {
+ HDCP_INPUT_PASS_TRACE(hdcp, "rx_id_list_ready");
+ event_ctx->rx_id_list_ready = 1;
+ if (is_dp_hdcp(hdcp))
+ hdcp->auth.msg.hdcp2.rx_id_list_size =
+ sizeof(hdcp->auth.msg.hdcp2.rx_id_list);
+ else
+ hdcp->auth.msg.hdcp2.rx_id_list_size =
+ HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(hdcp->auth.msg.hdcp2.rxstatus[1]) << 8 |
+ hdcp->auth.msg.hdcp2.rxstatus[0];
+ }
+out:
+ return (*status == MOD_HDCP_STATUS_SUCCESS);
+}
+
+static enum mod_hdcp_status known_hdcp2_capable_rx(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+
+ if (!mod_hdcp_execute_and_set(mod_hdcp_read_hdcp2version,
+ &input->hdcp2version_read, &status,
+ hdcp, "hdcp2version_read"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(check_hdcp2_capable,
+ &input->hdcp2_capable_check, &status,
+ hdcp, "hdcp2_capable"))
+ goto out;
+out:
+ return status;
+}
+
+static enum mod_hdcp_status send_ake_init(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+
+ if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp2_create_session,
+ &input->create_session, &status,
+ hdcp, "create_session"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp2_prepare_ake_init,
+ &input->ake_init_prepare, &status,
+ hdcp, "ake_init_prepare"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(mod_hdcp_write_ake_init,
+ &input->ake_init_write, &status,
+ hdcp, "ake_init_write"))
+ goto out;
+out:
+ return status;
+}
+
+static enum mod_hdcp_status validate_ake_cert(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK &&
+ event_ctx->event != MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+
+ if (is_hdmi_dvi_sl_hdcp(hdcp))
+ if (!mod_hdcp_execute_and_set(check_ake_cert_available,
+ &input->ake_cert_available, &status,
+ hdcp, "ake_cert_available"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(mod_hdcp_read_ake_cert,
+ &input->ake_cert_read, &status,
+ hdcp, "ake_cert_read"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp2_validate_ake_cert,
+ &input->ake_cert_validation, &status,
+ hdcp, "ake_cert_validation"))
+ goto out;
+out:
+ return status;
+}
+
+static enum mod_hdcp_status send_no_stored_km(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+
+ if (!mod_hdcp_execute_and_set(mod_hdcp_write_no_stored_km,
+ &input->no_stored_km_write, &status,
+ hdcp, "no_stored_km_write"))
+ goto out;
+out:
+ return status;
+}
+
+static enum mod_hdcp_status read_h_prime(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK &&
+ event_ctx->event != MOD_HDCP_EVENT_CPIRQ &&
+ event_ctx->event != MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+
+ if (!mod_hdcp_execute_and_set(check_h_prime_available,
+ &input->h_prime_available, &status,
+ hdcp, "h_prime_available"))
+ goto out;
+
+ if (!mod_hdcp_execute_and_set(mod_hdcp_read_h_prime,
+ &input->h_prime_read, &status,
+ hdcp, "h_prime_read"))
+ goto out;
+out:
+ return status;
+}
+
+static enum mod_hdcp_status read_pairing_info_and_validate_h_prime(
+ struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK &&
+ event_ctx->event != MOD_HDCP_EVENT_CPIRQ &&
+ event_ctx->event != MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+
+ if (!mod_hdcp_execute_and_set(check_pairing_info_available,
+ &input->pairing_available, &status,
+ hdcp, "pairing_available"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(mod_hdcp_read_pairing_info,
+ &input->pairing_info_read, &status,
+ hdcp, "pairing_info_read"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp2_validate_h_prime,
+ &input->h_prime_validation, &status,
+ hdcp, "h_prime_validation"))
+ goto out;
+out:
+ return status;
+}
+
+static enum mod_hdcp_status send_stored_km(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+
+ if (!mod_hdcp_execute_and_set(mod_hdcp_write_stored_km,
+ &input->stored_km_write, &status,
+ hdcp, "stored_km_write"))
+ goto out;
+out:
+ return status;
+}
+
+static enum mod_hdcp_status validate_h_prime(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK &&
+ event_ctx->event != MOD_HDCP_EVENT_CPIRQ &&
+ event_ctx->event != MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+
+ if (!mod_hdcp_execute_and_set(check_h_prime_available,
+ &input->h_prime_available, &status,
+ hdcp, "h_prime_available"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(mod_hdcp_read_h_prime,
+ &input->h_prime_read, &status,
+ hdcp, "h_prime_read"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp2_validate_h_prime,
+ &input->h_prime_validation, &status,
+ hdcp, "h_prime_validation"))
+ goto out;
+out:
+ return status;
+}
+
+static enum mod_hdcp_status locality_check(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+
+ if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp2_prepare_lc_init,
+ &input->lc_init_prepare, &status,
+ hdcp, "lc_init_prepare"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(mod_hdcp_write_lc_init,
+ &input->lc_init_write, &status,
+ hdcp, "lc_init_write"))
+ goto out;
+ if (is_dp_hdcp(hdcp))
+ msleep(16);
+ else
+ if (!mod_hdcp_execute_and_set(poll_l_prime_available,
+ &input->l_prime_available_poll, &status,
+ hdcp, "l_prime_available_poll"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(mod_hdcp_read_l_prime,
+ &input->l_prime_read, &status,
+ hdcp, "l_prime_read"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp2_validate_l_prime,
+ &input->l_prime_validation, &status,
+ hdcp, "l_prime_validation"))
+ goto out;
+out:
+ return status;
+}
+
+static enum mod_hdcp_status exchange_ks_and_test_for_repeater(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+
+ if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp2_prepare_eks,
+ &input->eks_prepare, &status,
+ hdcp, "eks_prepare"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(mod_hdcp_write_eks,
+ &input->eks_write, &status,
+ hdcp, "eks_write"))
+ goto out;
+out:
+ return status;
+}
+
+static enum mod_hdcp_status enable_encryption(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK &&
+ event_ctx->event != MOD_HDCP_EVENT_CPIRQ) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+ if (event_ctx->event == MOD_HDCP_EVENT_CPIRQ) {
+ process_rxstatus(hdcp, event_ctx, input, &status);
+ goto out;
+ }
+
+ if (is_hdmi_dvi_sl_hdcp(hdcp)) {
+ if (!process_rxstatus(hdcp, event_ctx, input, &status))
+ goto out;
+ if (event_ctx->rx_id_list_ready)
+ goto out;
+ }
+ if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp2_enable_encryption,
+ &input->enable_encryption, &status,
+ hdcp, "enable_encryption"))
+ goto out;
+ if (is_dp_mst_hdcp(hdcp)) {
+ if (!mod_hdcp_execute_and_set(
+ mod_hdcp_hdcp2_enable_dp_stream_encryption,
+ &input->stream_encryption_dp, &status,
+ hdcp, "stream_encryption_dp"))
+ goto out;
+ }
+out:
+ return status;
+}
+
+static enum mod_hdcp_status authenticated(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK &&
+ event_ctx->event != MOD_HDCP_EVENT_CPIRQ) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+
+ process_rxstatus(hdcp, event_ctx, input, &status);
+out:
+ return status;
+}
+
+static enum mod_hdcp_status wait_for_rx_id_list(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK &&
+ event_ctx->event != MOD_HDCP_EVENT_CPIRQ &&
+ event_ctx->event != MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+
+ if (!process_rxstatus(hdcp, event_ctx, input, &status))
+ goto out;
+ if (!event_ctx->rx_id_list_ready) {
+ status = MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_NOT_READY;
+ goto out;
+ }
+out:
+ return status;
+}
+
+static enum mod_hdcp_status verify_rx_id_list_and_send_ack(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK &&
+ event_ctx->event != MOD_HDCP_EVENT_CPIRQ) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+ if (event_ctx->event == MOD_HDCP_EVENT_CPIRQ) {
+ process_rxstatus(hdcp, event_ctx, input, &status);
+ goto out;
+ }
+
+ if (!mod_hdcp_execute_and_set(mod_hdcp_read_rx_id_list,
+ &input->rx_id_list_read,
+ &status, hdcp, "receiver_id_list_read"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(check_device_count,
+ &input->device_count_check,
+ &status, hdcp, "device_count_check"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp2_validate_rx_id_list,
+ &input->rx_id_list_validation,
+ &status, hdcp, "rx_id_list_validation"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(mod_hdcp_write_repeater_auth_ack,
+ &input->repeater_auth_ack_write,
+ &status, hdcp, "repeater_auth_ack_write"))
+ goto out;
+out:
+ return status;
+}
+
+static enum mod_hdcp_status send_stream_management(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK &&
+ event_ctx->event != MOD_HDCP_EVENT_CPIRQ) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+ if (event_ctx->event == MOD_HDCP_EVENT_CPIRQ) {
+ process_rxstatus(hdcp, event_ctx, input, &status);
+ goto out;
+ }
+
+ if (is_hdmi_dvi_sl_hdcp(hdcp)) {
+ if (!process_rxstatus(hdcp, event_ctx, input, &status))
+ goto out;
+ if (event_ctx->rx_id_list_ready)
+ goto out;
+ }
+ if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp2_prepare_stream_management,
+ &input->prepare_stream_manage,
+ &status, hdcp, "prepare_stream_manage"))
+ goto out;
+
+ if (!mod_hdcp_execute_and_set(mod_hdcp_write_stream_manage,
+ &input->stream_manage_write,
+ &status, hdcp, "stream_manage_write"))
+ goto out;
+out:
+ return status;
+}
+
+static enum mod_hdcp_status validate_stream_ready(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK &&
+ event_ctx->event != MOD_HDCP_EVENT_CPIRQ &&
+ event_ctx->event != MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+ if (event_ctx->event == MOD_HDCP_EVENT_CPIRQ) {
+ process_rxstatus(hdcp, event_ctx, input, &status);
+ goto out;
+ }
+
+ if (is_hdmi_dvi_sl_hdcp(hdcp)) {
+ if (!process_rxstatus(hdcp, event_ctx, input, &status))
+ goto out;
+ if (event_ctx->rx_id_list_ready) {
+ goto out;
+ }
+ }
+ if (is_hdmi_dvi_sl_hdcp(hdcp))
+ if (!mod_hdcp_execute_and_set(check_stream_ready_available,
+ &input->stream_ready_available,
+ &status, hdcp, "stream_ready_available"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(mod_hdcp_read_stream_ready,
+ &input->stream_ready_read,
+ &status, hdcp, "stream_ready_read"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp2_validate_stream_ready,
+ &input->stream_ready_validation,
+ &status, hdcp, "stream_ready_validation"))
+ goto out;
+
+out:
+ return status;
+}
+
+static enum mod_hdcp_status determine_rx_hdcp_capable_dp(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+
+ if (!mod_hdcp_execute_and_set(mod_hdcp_read_rxcaps,
+ &input->rx_caps_read_dp,
+ &status, hdcp, "rx_caps_read_dp"))
+ goto out;
+ if (!mod_hdcp_execute_and_set(check_hdcp2_capable,
+ &input->hdcp2_capable_check, &status,
+ hdcp, "hdcp2_capable_check"))
+ goto out;
+out:
+ return status;
+}
+
+static enum mod_hdcp_status send_content_stream_type_dp(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK &&
+ event_ctx->event != MOD_HDCP_EVENT_CPIRQ) {
+ event_ctx->unexpected_event = 1;
+ goto out;
+ }
+
+ if (!process_rxstatus(hdcp, event_ctx, input, &status))
+ goto out;
+ if (!mod_hdcp_execute_and_set(mod_hdcp_write_content_type,
+ &input->content_stream_type_write, &status,
+ hdcp, "content_stream_type_write"))
+ goto out;
+out:
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp2_execution(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ switch (current_state(hdcp)) {
+ case H2_A0_KNOWN_HDCP2_CAPABLE_RX:
+ status = known_hdcp2_capable_rx(hdcp, event_ctx, input);
+ break;
+ case H2_A1_SEND_AKE_INIT:
+ status = send_ake_init(hdcp, event_ctx, input);
+ break;
+ case H2_A1_VALIDATE_AKE_CERT:
+ status = validate_ake_cert(hdcp, event_ctx, input);
+ break;
+ case H2_A1_SEND_NO_STORED_KM:
+ status = send_no_stored_km(hdcp, event_ctx, input);
+ break;
+ case H2_A1_READ_H_PRIME:
+ status = read_h_prime(hdcp, event_ctx, input);
+ break;
+ case H2_A1_READ_PAIRING_INFO_AND_VALIDATE_H_PRIME:
+ status = read_pairing_info_and_validate_h_prime(hdcp,
+ event_ctx, input);
+ break;
+ case H2_A1_SEND_STORED_KM:
+ status = send_stored_km(hdcp, event_ctx, input);
+ break;
+ case H2_A1_VALIDATE_H_PRIME:
+ status = validate_h_prime(hdcp, event_ctx, input);
+ break;
+ case H2_A2_LOCALITY_CHECK:
+ status = locality_check(hdcp, event_ctx, input);
+ break;
+ case H2_A3_EXCHANGE_KS_AND_TEST_FOR_REPEATER:
+ status = exchange_ks_and_test_for_repeater(hdcp, event_ctx, input);
+ break;
+ case H2_ENABLE_ENCRYPTION:
+ status = enable_encryption(hdcp, event_ctx, input);
+ break;
+ case H2_A5_AUTHENTICATED:
+ status = authenticated(hdcp, event_ctx, input);
+ break;
+ case H2_A6_WAIT_FOR_RX_ID_LIST:
+ status = wait_for_rx_id_list(hdcp, event_ctx, input);
+ break;
+ case H2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK:
+ status = verify_rx_id_list_and_send_ack(hdcp, event_ctx, input);
+ break;
+ case H2_A9_SEND_STREAM_MANAGEMENT:
+ status = send_stream_management(hdcp, event_ctx, input);
+ break;
+ case H2_A9_VALIDATE_STREAM_READY:
+ status = validate_stream_ready(hdcp, event_ctx, input);
+ break;
+ default:
+ status = MOD_HDCP_STATUS_INVALID_STATE;
+ break;
+ }
+
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp2_dp_execution(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ switch (current_state(hdcp)) {
+ case D2_A0_DETERMINE_RX_HDCP_CAPABLE:
+ status = determine_rx_hdcp_capable_dp(hdcp, event_ctx, input);
+ break;
+ case D2_A1_SEND_AKE_INIT:
+ status = send_ake_init(hdcp, event_ctx, input);
+ break;
+ case D2_A1_VALIDATE_AKE_CERT:
+ status = validate_ake_cert(hdcp, event_ctx, input);
+ break;
+ case D2_A1_SEND_NO_STORED_KM:
+ status = send_no_stored_km(hdcp, event_ctx, input);
+ break;
+ case D2_A1_READ_H_PRIME:
+ status = read_h_prime(hdcp, event_ctx, input);
+ break;
+ case D2_A1_READ_PAIRING_INFO_AND_VALIDATE_H_PRIME:
+ status = read_pairing_info_and_validate_h_prime(hdcp,
+ event_ctx, input);
+ break;
+ case D2_A1_SEND_STORED_KM:
+ status = send_stored_km(hdcp, event_ctx, input);
+ break;
+ case D2_A1_VALIDATE_H_PRIME:
+ status = validate_h_prime(hdcp, event_ctx, input);
+ break;
+ case D2_A2_LOCALITY_CHECK:
+ status = locality_check(hdcp, event_ctx, input);
+ break;
+ case D2_A34_EXCHANGE_KS_AND_TEST_FOR_REPEATER:
+ status = exchange_ks_and_test_for_repeater(hdcp,
+ event_ctx, input);
+ break;
+ case D2_SEND_CONTENT_STREAM_TYPE:
+ status = send_content_stream_type_dp(hdcp, event_ctx, input);
+ break;
+ case D2_ENABLE_ENCRYPTION:
+ status = enable_encryption(hdcp, event_ctx, input);
+ break;
+ case D2_A5_AUTHENTICATED:
+ status = authenticated(hdcp, event_ctx, input);
+ break;
+ case D2_A6_WAIT_FOR_RX_ID_LIST:
+ status = wait_for_rx_id_list(hdcp, event_ctx, input);
+ break;
+ case D2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK:
+ status = verify_rx_id_list_and_send_ack(hdcp, event_ctx, input);
+ break;
+ case D2_A9_SEND_STREAM_MANAGEMENT:
+ status = send_stream_management(hdcp, event_ctx, input);
+ break;
+ case D2_A9_VALIDATE_STREAM_READY:
+ status = validate_stream_ready(hdcp, event_ctx, input);
+ break;
+ default:
+ status = MOD_HDCP_STATUS_INVALID_STATE;
+ break;
+ }
+
+ return status;
+}
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_transition.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_transition.c
new file mode 100644
index 000000000..c5f6c11de
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_transition.c
@@ -0,0 +1,677 @@
+/*
+ * Copyright 2018 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "hdcp.h"
+
+enum mod_hdcp_status mod_hdcp_hdcp2_transition(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input,
+ struct mod_hdcp_output *output)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ struct mod_hdcp_connection *conn = &hdcp->connection;
+ struct mod_hdcp_link_adjustment *adjust = &hdcp->connection.link.adjust;
+
+ switch (current_state(hdcp)) {
+ case H2_A0_KNOWN_HDCP2_CAPABLE_RX:
+ if (input->hdcp2version_read != PASS ||
+ input->hdcp2_capable_check != PASS) {
+ adjust->hdcp2.disable = 1;
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, HDCP_INITIALIZED);
+ } else {
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H2_A1_SEND_AKE_INIT);
+ }
+ break;
+ case H2_A1_SEND_AKE_INIT:
+ if (input->create_session != PASS ||
+ input->ake_init_prepare != PASS) {
+ /* out of sync with psp state */
+ adjust->hdcp2.disable = 1;
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (input->ake_init_write != PASS) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ set_watchdog_in_ms(hdcp, 100, output);
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H2_A1_VALIDATE_AKE_CERT);
+ break;
+ case H2_A1_VALIDATE_AKE_CERT:
+ if (input->ake_cert_available != PASS) {
+ if (event_ctx->event ==
+ MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) {
+ /* 1A-08: consider ake timeout a failure */
+ /* some hdmi receivers are not ready for HDCP
+ * immediately after video becomes active,
+ * delay 1s before retry on first HDCP message
+ * timeout.
+ */
+ fail_and_restart_in_ms(1000, &status, output);
+ } else {
+ /* continue ake cert polling*/
+ callback_in_ms(10, output);
+ increment_stay_counter(hdcp);
+ }
+ break;
+ } else if (input->ake_cert_read != PASS ||
+ input->ake_cert_validation != PASS) {
+ /*
+ * 1A-09: consider invalid ake cert a failure
+ * 1A-10: consider receiver id listed in SRM a failure
+ */
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ if (conn->is_km_stored &&
+ !adjust->hdcp2.force_no_stored_km) {
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H2_A1_SEND_STORED_KM);
+ } else {
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H2_A1_SEND_NO_STORED_KM);
+ }
+ break;
+ case H2_A1_SEND_NO_STORED_KM:
+ if (input->no_stored_km_write != PASS) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ if (adjust->hdcp2.increase_h_prime_timeout)
+ set_watchdog_in_ms(hdcp, 2000, output);
+ else
+ set_watchdog_in_ms(hdcp, 1000, output);
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H2_A1_READ_H_PRIME);
+ break;
+ case H2_A1_READ_H_PRIME:
+ if (input->h_prime_available != PASS) {
+ if (event_ctx->event ==
+ MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) {
+ /* 1A-11-3: consider h' timeout a failure */
+ fail_and_restart_in_ms(1000, &status, output);
+ } else {
+ /* continue h' polling */
+ callback_in_ms(100, output);
+ increment_stay_counter(hdcp);
+ }
+ break;
+ } else if (input->h_prime_read != PASS) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ set_watchdog_in_ms(hdcp, 200, output);
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H2_A1_READ_PAIRING_INFO_AND_VALIDATE_H_PRIME);
+ break;
+ case H2_A1_READ_PAIRING_INFO_AND_VALIDATE_H_PRIME:
+ if (input->pairing_available != PASS) {
+ if (event_ctx->event ==
+ MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) {
+ /* 1A-12: consider pairing info timeout
+ * a failure
+ */
+ fail_and_restart_in_ms(0, &status, output);
+ } else {
+ /* continue pairing info polling */
+ callback_in_ms(20, output);
+ increment_stay_counter(hdcp);
+ }
+ break;
+ } else if (input->pairing_info_read != PASS ||
+ input->h_prime_validation != PASS) {
+ /* 1A-11-1: consider invalid h' a failure */
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H2_A2_LOCALITY_CHECK);
+ break;
+ case H2_A1_SEND_STORED_KM:
+ if (input->stored_km_write != PASS) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ set_watchdog_in_ms(hdcp, 200, output);
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H2_A1_VALIDATE_H_PRIME);
+ break;
+ case H2_A1_VALIDATE_H_PRIME:
+ if (input->h_prime_available != PASS) {
+ if (event_ctx->event ==
+ MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) {
+ /* 1A-11-2: consider h' timeout a failure */
+ fail_and_restart_in_ms(1000, &status, output);
+ } else {
+ /* continue h' polling */
+ callback_in_ms(20, output);
+ increment_stay_counter(hdcp);
+ }
+ break;
+ } else if (input->h_prime_read != PASS) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (input->h_prime_validation != PASS) {
+ /* 1A-11-1: consider invalid h' a failure */
+ adjust->hdcp2.force_no_stored_km = 1;
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H2_A2_LOCALITY_CHECK);
+ break;
+ case H2_A2_LOCALITY_CHECK:
+ if (hdcp->state.stay_count > 10 ||
+ input->lc_init_prepare != PASS ||
+ input->lc_init_write != PASS ||
+ input->l_prime_available_poll != PASS ||
+ input->l_prime_read != PASS) {
+ /*
+ * 1A-05: consider disconnection after LC init a failure
+ * 1A-13-1: consider invalid l' a failure
+ * 1A-13-2: consider l' timeout a failure
+ */
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (input->l_prime_validation != PASS) {
+ callback_in_ms(0, output);
+ increment_stay_counter(hdcp);
+ break;
+ }
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H2_A3_EXCHANGE_KS_AND_TEST_FOR_REPEATER);
+ break;
+ case H2_A3_EXCHANGE_KS_AND_TEST_FOR_REPEATER:
+ if (input->eks_prepare != PASS ||
+ input->eks_write != PASS) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ if (conn->is_repeater) {
+ set_watchdog_in_ms(hdcp, 3000, output);
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H2_A6_WAIT_FOR_RX_ID_LIST);
+ } else {
+ /* some CTS equipment requires a delay GREATER than
+ * 200 ms, so delay 210 ms instead of 200 ms
+ */
+ callback_in_ms(210, output);
+ set_state_id(hdcp, output, H2_ENABLE_ENCRYPTION);
+ }
+ break;
+ case H2_ENABLE_ENCRYPTION:
+ if (input->rxstatus_read != PASS ||
+ input->reauth_request_check != PASS) {
+ /*
+ * 1A-07: restart hdcp on REAUTH_REQ
+ * 1B-08: restart hdcp on REAUTH_REQ
+ */
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (event_ctx->rx_id_list_ready && conn->is_repeater) {
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK);
+ break;
+ } else if (input->enable_encryption != PASS) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H2_A5_AUTHENTICATED);
+ set_auth_complete(hdcp, output);
+ break;
+ case H2_A5_AUTHENTICATED:
+ if (input->rxstatus_read == FAIL ||
+ input->reauth_request_check == FAIL) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (event_ctx->rx_id_list_ready && conn->is_repeater) {
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK);
+ break;
+ }
+ callback_in_ms(500, output);
+ increment_stay_counter(hdcp);
+ break;
+ case H2_A6_WAIT_FOR_RX_ID_LIST:
+ if (input->rxstatus_read != PASS ||
+ input->reauth_request_check != PASS) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (!event_ctx->rx_id_list_ready) {
+ if (event_ctx->event == MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) {
+ /* 1B-02: consider rx id list timeout a failure */
+ /* some CTS equipment's actual timeout
+ * measurement is slightly greater than 3000 ms.
+ * Delay 100 ms to ensure it is fully timeout
+ * before re-authentication.
+ */
+ fail_and_restart_in_ms(100, &status, output);
+ } else {
+ callback_in_ms(300, output);
+ increment_stay_counter(hdcp);
+ }
+ break;
+ }
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK);
+ break;
+ case H2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK:
+ if (input->rxstatus_read != PASS ||
+ input->reauth_request_check != PASS ||
+ input->rx_id_list_read != PASS ||
+ input->device_count_check != PASS ||
+ input->rx_id_list_validation != PASS ||
+ input->repeater_auth_ack_write != PASS) {
+ /* 1B-03: consider invalid v' a failure
+ * 1B-04: consider MAX_DEVS_EXCEEDED a failure
+ * 1B-05: consider MAX_CASCADE_EXCEEDED a failure
+ * 1B-06: consider invalid seq_num_V a failure
+ * 1B-09: consider seq_num_V rollover a failure
+ */
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H2_A9_SEND_STREAM_MANAGEMENT);
+ break;
+ case H2_A9_SEND_STREAM_MANAGEMENT:
+ if (input->rxstatus_read != PASS ||
+ input->reauth_request_check != PASS) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (event_ctx->rx_id_list_ready && conn->is_repeater) {
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK);
+ break;
+ } else if (input->prepare_stream_manage != PASS ||
+ input->stream_manage_write != PASS) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ set_watchdog_in_ms(hdcp, 100, output);
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H2_A9_VALIDATE_STREAM_READY);
+ break;
+ case H2_A9_VALIDATE_STREAM_READY:
+ if (input->rxstatus_read != PASS ||
+ input->reauth_request_check != PASS) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (event_ctx->rx_id_list_ready && conn->is_repeater) {
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK);
+ break;
+ } else if (input->stream_ready_available != PASS) {
+ if (event_ctx->event == MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) {
+ /* 1B-10-2: restart content stream management on
+ * stream ready timeout
+ */
+ hdcp->auth.count.stream_management_retry_count++;
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H2_A9_SEND_STREAM_MANAGEMENT);
+ } else {
+ callback_in_ms(10, output);
+ increment_stay_counter(hdcp);
+ }
+ break;
+ } else if (input->stream_ready_read != PASS ||
+ input->stream_ready_validation != PASS) {
+ /*
+ * 1B-10-1: restart content stream management
+ * on invalid M'
+ */
+ if (hdcp->auth.count.stream_management_retry_count > 10) {
+ fail_and_restart_in_ms(0, &status, output);
+ } else {
+ hdcp->auth.count.stream_management_retry_count++;
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, H2_A9_SEND_STREAM_MANAGEMENT);
+ }
+ break;
+ }
+ callback_in_ms(200, output);
+ set_state_id(hdcp, output, H2_ENABLE_ENCRYPTION);
+ break;
+ default:
+ status = MOD_HDCP_STATUS_INVALID_STATE;
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp2_dp_transition(struct mod_hdcp *hdcp,
+ struct mod_hdcp_event_context *event_ctx,
+ struct mod_hdcp_transition_input_hdcp2 *input,
+ struct mod_hdcp_output *output)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ struct mod_hdcp_connection *conn = &hdcp->connection;
+ struct mod_hdcp_link_adjustment *adjust = &hdcp->connection.link.adjust;
+
+ switch (current_state(hdcp)) {
+ case D2_A0_DETERMINE_RX_HDCP_CAPABLE:
+ if (input->rx_caps_read_dp != PASS ||
+ input->hdcp2_capable_check != PASS) {
+ adjust->hdcp2.disable = 1;
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, HDCP_INITIALIZED);
+ } else {
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, D2_A1_SEND_AKE_INIT);
+ }
+ break;
+ case D2_A1_SEND_AKE_INIT:
+ if (input->create_session != PASS ||
+ input->ake_init_prepare != PASS) {
+ /* out of sync with psp state */
+ adjust->hdcp2.disable = 1;
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (input->ake_init_write != PASS) {
+ /* possibly display not ready */
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ callback_in_ms(100, output);
+ set_state_id(hdcp, output, D2_A1_VALIDATE_AKE_CERT);
+ break;
+ case D2_A1_VALIDATE_AKE_CERT:
+ if (input->ake_cert_read != PASS ||
+ input->ake_cert_validation != PASS) {
+ /*
+ * 1A-08: consider invalid ake cert a failure
+ * 1A-09: consider receiver id listed in SRM a failure
+ */
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ if (conn->is_km_stored &&
+ !adjust->hdcp2.force_no_stored_km) {
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, D2_A1_SEND_STORED_KM);
+ } else {
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, D2_A1_SEND_NO_STORED_KM);
+ }
+ break;
+ case D2_A1_SEND_NO_STORED_KM:
+ if (input->no_stored_km_write != PASS) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ if (adjust->hdcp2.increase_h_prime_timeout)
+ set_watchdog_in_ms(hdcp, 2000, output);
+ else
+ set_watchdog_in_ms(hdcp, 1000, output);
+ set_state_id(hdcp, output, D2_A1_READ_H_PRIME);
+ break;
+ case D2_A1_READ_H_PRIME:
+ if (input->h_prime_available != PASS) {
+ if (event_ctx->event ==
+ MOD_HDCP_EVENT_WATCHDOG_TIMEOUT)
+ /* 1A-10-3: consider h' timeout a failure */
+ fail_and_restart_in_ms(1000, &status, output);
+ else
+ increment_stay_counter(hdcp);
+ break;
+ } else if (input->h_prime_read != PASS) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ set_watchdog_in_ms(hdcp, 200, output);
+ set_state_id(hdcp, output, D2_A1_READ_PAIRING_INFO_AND_VALIDATE_H_PRIME);
+ break;
+ case D2_A1_READ_PAIRING_INFO_AND_VALIDATE_H_PRIME:
+ if (input->pairing_available != PASS) {
+ if (event_ctx->event ==
+ MOD_HDCP_EVENT_WATCHDOG_TIMEOUT)
+ /*
+ * 1A-11: consider pairing info timeout
+ * a failure
+ */
+ fail_and_restart_in_ms(0, &status, output);
+ else
+ increment_stay_counter(hdcp);
+ break;
+ } else if (input->pairing_info_read != PASS ||
+ input->h_prime_validation != PASS) {
+ /* 1A-10-1: consider invalid h' a failure */
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, D2_A2_LOCALITY_CHECK);
+ break;
+ case D2_A1_SEND_STORED_KM:
+ if (input->stored_km_write != PASS) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ set_watchdog_in_ms(hdcp, 200, output);
+ set_state_id(hdcp, output, D2_A1_VALIDATE_H_PRIME);
+ break;
+ case D2_A1_VALIDATE_H_PRIME:
+ if (input->h_prime_available != PASS) {
+ if (event_ctx->event ==
+ MOD_HDCP_EVENT_WATCHDOG_TIMEOUT)
+ /* 1A-10-2: consider h' timeout a failure */
+ fail_and_restart_in_ms(1000, &status, output);
+ else
+ increment_stay_counter(hdcp);
+ break;
+ } else if (input->h_prime_read != PASS) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (input->h_prime_validation != PASS) {
+ /* 1A-10-1: consider invalid h' a failure */
+ adjust->hdcp2.force_no_stored_km = 1;
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, D2_A2_LOCALITY_CHECK);
+ break;
+ case D2_A2_LOCALITY_CHECK:
+ if (hdcp->state.stay_count > 10 ||
+ input->lc_init_prepare != PASS ||
+ input->lc_init_write != PASS ||
+ input->l_prime_read != PASS) {
+ /* 1A-12: consider invalid l' a failure */
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (input->l_prime_validation != PASS) {
+ callback_in_ms(0, output);
+ increment_stay_counter(hdcp);
+ break;
+ }
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, D2_A34_EXCHANGE_KS_AND_TEST_FOR_REPEATER);
+ break;
+ case D2_A34_EXCHANGE_KS_AND_TEST_FOR_REPEATER:
+ if (input->eks_prepare != PASS ||
+ input->eks_write != PASS) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ if (conn->is_repeater) {
+ set_watchdog_in_ms(hdcp, 3000, output);
+ set_state_id(hdcp, output, D2_A6_WAIT_FOR_RX_ID_LIST);
+ } else {
+ callback_in_ms(1, output);
+ set_state_id(hdcp, output, D2_SEND_CONTENT_STREAM_TYPE);
+ }
+ break;
+ case D2_SEND_CONTENT_STREAM_TYPE:
+ if (input->rxstatus_read != PASS ||
+ input->reauth_request_check != PASS ||
+ input->link_integrity_check_dp != PASS ||
+ input->content_stream_type_write != PASS) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ callback_in_ms(210, output);
+ set_state_id(hdcp, output, D2_ENABLE_ENCRYPTION);
+ break;
+ case D2_ENABLE_ENCRYPTION:
+ if (input->rxstatus_read != PASS ||
+ input->reauth_request_check != PASS ||
+ input->link_integrity_check_dp != PASS) {
+ /*
+ * 1A-07: restart hdcp on REAUTH_REQ
+ * 1B-08: restart hdcp on REAUTH_REQ
+ */
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (event_ctx->rx_id_list_ready && conn->is_repeater) {
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, D2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK);
+ break;
+ } else if (input->enable_encryption != PASS ||
+ (is_dp_mst_hdcp(hdcp) && input->stream_encryption_dp != PASS)) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ set_state_id(hdcp, output, D2_A5_AUTHENTICATED);
+ set_auth_complete(hdcp, output);
+ break;
+ case D2_A5_AUTHENTICATED:
+ if (input->rxstatus_read == FAIL ||
+ input->reauth_request_check == FAIL) {
+ fail_and_restart_in_ms(100, &status, output);
+ break;
+ } else if (input->link_integrity_check_dp == FAIL) {
+ if (hdcp->connection.hdcp2_retry_count >= 1)
+ adjust->hdcp2.force_type = MOD_HDCP_FORCE_TYPE_0;
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (event_ctx->rx_id_list_ready && conn->is_repeater) {
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, D2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK);
+ break;
+ }
+ increment_stay_counter(hdcp);
+ break;
+ case D2_A6_WAIT_FOR_RX_ID_LIST:
+ if (input->rxstatus_read != PASS ||
+ input->reauth_request_check != PASS ||
+ input->link_integrity_check_dp != PASS) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (!event_ctx->rx_id_list_ready) {
+ if (event_ctx->event == MOD_HDCP_EVENT_WATCHDOG_TIMEOUT)
+ /* 1B-02: consider rx id list timeout a failure */
+ fail_and_restart_in_ms(0, &status, output);
+ else
+ increment_stay_counter(hdcp);
+ break;
+ }
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, D2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK);
+ break;
+ case D2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK:
+ if (input->rxstatus_read != PASS ||
+ input->reauth_request_check != PASS ||
+ input->link_integrity_check_dp != PASS ||
+ input->rx_id_list_read != PASS ||
+ input->device_count_check != PASS ||
+ input->rx_id_list_validation != PASS ||
+ input->repeater_auth_ack_write != PASS) {
+ /*
+ * 1B-03: consider invalid v' a failure
+ * 1B-04: consider MAX_DEVS_EXCEEDED a failure
+ * 1B-05: consider MAX_CASCADE_EXCEEDED a failure
+ * 1B-06: consider invalid seq_num_V a failure
+ * 1B-09: consider seq_num_V rollover a failure
+ */
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, D2_A9_SEND_STREAM_MANAGEMENT);
+ break;
+ case D2_A9_SEND_STREAM_MANAGEMENT:
+ if (input->rxstatus_read != PASS ||
+ input->reauth_request_check != PASS ||
+ input->link_integrity_check_dp != PASS) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (event_ctx->rx_id_list_ready) {
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, D2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK);
+ break;
+ } else if (input->prepare_stream_manage != PASS ||
+ input->stream_manage_write != PASS) {
+ if (event_ctx->event == MOD_HDCP_EVENT_CALLBACK)
+ fail_and_restart_in_ms(0, &status, output);
+ else
+ increment_stay_counter(hdcp);
+ break;
+ }
+ callback_in_ms(100, output);
+ set_state_id(hdcp, output, D2_A9_VALIDATE_STREAM_READY);
+ break;
+ case D2_A9_VALIDATE_STREAM_READY:
+ if (input->rxstatus_read != PASS ||
+ input->reauth_request_check != PASS ||
+ input->link_integrity_check_dp != PASS) {
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ } else if (event_ctx->rx_id_list_ready) {
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, D2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK);
+ break;
+ } else if (input->stream_ready_read != PASS ||
+ input->stream_ready_validation != PASS) {
+ /*
+ * 1B-10-1: restart content stream management
+ * on invalid M'
+ * 1B-10-2: consider stream ready timeout a failure
+ */
+ if (hdcp->auth.count.stream_management_retry_count > 10) {
+ fail_and_restart_in_ms(0, &status, output);
+ } else if (event_ctx->event == MOD_HDCP_EVENT_CALLBACK) {
+ hdcp->auth.count.stream_management_retry_count++;
+ callback_in_ms(0, output);
+ set_state_id(hdcp, output, D2_A9_SEND_STREAM_MANAGEMENT);
+ } else {
+ increment_stay_counter(hdcp);
+ }
+ break;
+ }
+ callback_in_ms(200, output);
+ set_state_id(hdcp, output, D2_ENABLE_ENCRYPTION);
+ break;
+ default:
+ status = MOD_HDCP_STATUS_INVALID_STATE;
+ fail_and_restart_in_ms(0, &status, output);
+ break;
+ }
+ return status;
+}
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c
new file mode 100644
index 000000000..f7b5583ee
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c
@@ -0,0 +1,664 @@
+/*
+ * Copyright 2019 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "hdcp.h"
+
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+#define HDCP_I2C_ADDR 0x3a /* 0x74 >> 1*/
+#define KSV_READ_SIZE 0xf /* 0x6803b - 0x6802c */
+#define HDCP_MAX_AUX_TRANSACTION_SIZE 16
+
+#define DP_CP_IRQ (1 << 2)
+
+enum mod_hdcp_ddc_message_id {
+ MOD_HDCP_MESSAGE_ID_INVALID = -1,
+
+ /* HDCP 1.4 */
+
+ MOD_HDCP_MESSAGE_ID_READ_BKSV = 0,
+ MOD_HDCP_MESSAGE_ID_READ_RI_R0,
+ MOD_HDCP_MESSAGE_ID_WRITE_AKSV,
+ MOD_HDCP_MESSAGE_ID_WRITE_AINFO,
+ MOD_HDCP_MESSAGE_ID_WRITE_AN,
+ MOD_HDCP_MESSAGE_ID_READ_VH_X,
+ MOD_HDCP_MESSAGE_ID_READ_VH_0,
+ MOD_HDCP_MESSAGE_ID_READ_VH_1,
+ MOD_HDCP_MESSAGE_ID_READ_VH_2,
+ MOD_HDCP_MESSAGE_ID_READ_VH_3,
+ MOD_HDCP_MESSAGE_ID_READ_VH_4,
+ MOD_HDCP_MESSAGE_ID_READ_BCAPS,
+ MOD_HDCP_MESSAGE_ID_READ_BSTATUS,
+ MOD_HDCP_MESSAGE_ID_READ_KSV_FIFO,
+ MOD_HDCP_MESSAGE_ID_READ_BINFO,
+
+ /* HDCP 2.2 */
+
+ MOD_HDCP_MESSAGE_ID_HDCP2VERSION,
+ MOD_HDCP_MESSAGE_ID_RX_CAPS,
+ MOD_HDCP_MESSAGE_ID_WRITE_AKE_INIT,
+ MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_CERT,
+ MOD_HDCP_MESSAGE_ID_WRITE_AKE_NO_STORED_KM,
+ MOD_HDCP_MESSAGE_ID_WRITE_AKE_STORED_KM,
+ MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_H_PRIME,
+ MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_PAIRING_INFO,
+ MOD_HDCP_MESSAGE_ID_WRITE_LC_INIT,
+ MOD_HDCP_MESSAGE_ID_READ_LC_SEND_L_PRIME,
+ MOD_HDCP_MESSAGE_ID_WRITE_SKE_SEND_EKS,
+ MOD_HDCP_MESSAGE_ID_READ_REPEATER_AUTH_SEND_RECEIVERID_LIST,
+ MOD_HDCP_MESSAGE_ID_READ_REPEATER_AUTH_SEND_RECEIVERID_LIST_PART2,
+ MOD_HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_SEND_ACK,
+ MOD_HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_STREAM_MANAGE,
+ MOD_HDCP_MESSAGE_ID_READ_REPEATER_AUTH_STREAM_READY,
+ MOD_HDCP_MESSAGE_ID_READ_RXSTATUS,
+ MOD_HDCP_MESSAGE_ID_WRITE_CONTENT_STREAM_TYPE,
+
+ MOD_HDCP_MESSAGE_ID_MAX
+};
+
+static const uint8_t hdcp_i2c_offsets[] = {
+ [MOD_HDCP_MESSAGE_ID_READ_BKSV] = 0x0,
+ [MOD_HDCP_MESSAGE_ID_READ_RI_R0] = 0x8,
+ [MOD_HDCP_MESSAGE_ID_WRITE_AKSV] = 0x10,
+ [MOD_HDCP_MESSAGE_ID_WRITE_AINFO] = 0x15,
+ [MOD_HDCP_MESSAGE_ID_WRITE_AN] = 0x18,
+ [MOD_HDCP_MESSAGE_ID_READ_VH_X] = 0x20,
+ [MOD_HDCP_MESSAGE_ID_READ_VH_0] = 0x20,
+ [MOD_HDCP_MESSAGE_ID_READ_VH_1] = 0x24,
+ [MOD_HDCP_MESSAGE_ID_READ_VH_2] = 0x28,
+ [MOD_HDCP_MESSAGE_ID_READ_VH_3] = 0x2C,
+ [MOD_HDCP_MESSAGE_ID_READ_VH_4] = 0x30,
+ [MOD_HDCP_MESSAGE_ID_READ_BCAPS] = 0x40,
+ [MOD_HDCP_MESSAGE_ID_READ_BSTATUS] = 0x41,
+ [MOD_HDCP_MESSAGE_ID_READ_KSV_FIFO] = 0x43,
+ [MOD_HDCP_MESSAGE_ID_READ_BINFO] = 0xFF,
+ [MOD_HDCP_MESSAGE_ID_HDCP2VERSION] = 0x50,
+ [MOD_HDCP_MESSAGE_ID_WRITE_AKE_INIT] = 0x60,
+ [MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_CERT] = 0x80,
+ [MOD_HDCP_MESSAGE_ID_WRITE_AKE_NO_STORED_KM] = 0x60,
+ [MOD_HDCP_MESSAGE_ID_WRITE_AKE_STORED_KM] = 0x60,
+ [MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_H_PRIME] = 0x80,
+ [MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_PAIRING_INFO] = 0x80,
+ [MOD_HDCP_MESSAGE_ID_WRITE_LC_INIT] = 0x60,
+ [MOD_HDCP_MESSAGE_ID_READ_LC_SEND_L_PRIME] = 0x80,
+ [MOD_HDCP_MESSAGE_ID_WRITE_SKE_SEND_EKS] = 0x60,
+ [MOD_HDCP_MESSAGE_ID_READ_REPEATER_AUTH_SEND_RECEIVERID_LIST] = 0x80,
+ [MOD_HDCP_MESSAGE_ID_READ_REPEATER_AUTH_SEND_RECEIVERID_LIST_PART2] = 0x80,
+ [MOD_HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_SEND_ACK] = 0x60,
+ [MOD_HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_STREAM_MANAGE] = 0x60,
+ [MOD_HDCP_MESSAGE_ID_READ_REPEATER_AUTH_STREAM_READY] = 0x80,
+ [MOD_HDCP_MESSAGE_ID_READ_RXSTATUS] = 0x70,
+ [MOD_HDCP_MESSAGE_ID_WRITE_CONTENT_STREAM_TYPE] = 0x0
+};
+
+static const uint32_t hdcp_dpcd_addrs[] = {
+ [MOD_HDCP_MESSAGE_ID_READ_BKSV] = 0x68000,
+ [MOD_HDCP_MESSAGE_ID_READ_RI_R0] = 0x68005,
+ [MOD_HDCP_MESSAGE_ID_WRITE_AKSV] = 0x68007,
+ [MOD_HDCP_MESSAGE_ID_WRITE_AINFO] = 0x6803B,
+ [MOD_HDCP_MESSAGE_ID_WRITE_AN] = 0x6800c,
+ [MOD_HDCP_MESSAGE_ID_READ_VH_X] = 0x68014,
+ [MOD_HDCP_MESSAGE_ID_READ_VH_0] = 0x68014,
+ [MOD_HDCP_MESSAGE_ID_READ_VH_1] = 0x68018,
+ [MOD_HDCP_MESSAGE_ID_READ_VH_2] = 0x6801c,
+ [MOD_HDCP_MESSAGE_ID_READ_VH_3] = 0x68020,
+ [MOD_HDCP_MESSAGE_ID_READ_VH_4] = 0x68024,
+ [MOD_HDCP_MESSAGE_ID_READ_BCAPS] = 0x68028,
+ [MOD_HDCP_MESSAGE_ID_READ_BSTATUS] = 0x68029,
+ [MOD_HDCP_MESSAGE_ID_READ_KSV_FIFO] = 0x6802c,
+ [MOD_HDCP_MESSAGE_ID_READ_BINFO] = 0x6802a,
+ [MOD_HDCP_MESSAGE_ID_RX_CAPS] = 0x6921d,
+ [MOD_HDCP_MESSAGE_ID_WRITE_AKE_INIT] = 0x69000,
+ [MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_CERT] = 0x6900b,
+ [MOD_HDCP_MESSAGE_ID_WRITE_AKE_NO_STORED_KM] = 0x69220,
+ [MOD_HDCP_MESSAGE_ID_WRITE_AKE_STORED_KM] = 0x692a0,
+ [MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_H_PRIME] = 0x692c0,
+ [MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_PAIRING_INFO] = 0x692e0,
+ [MOD_HDCP_MESSAGE_ID_WRITE_LC_INIT] = 0x692f0,
+ [MOD_HDCP_MESSAGE_ID_READ_LC_SEND_L_PRIME] = 0x692f8,
+ [MOD_HDCP_MESSAGE_ID_WRITE_SKE_SEND_EKS] = 0x69318,
+ [MOD_HDCP_MESSAGE_ID_READ_REPEATER_AUTH_SEND_RECEIVERID_LIST] = 0x69330,
+ [MOD_HDCP_MESSAGE_ID_READ_REPEATER_AUTH_SEND_RECEIVERID_LIST_PART2] = 0x69340,
+ [MOD_HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_SEND_ACK] = 0x693e0,
+ [MOD_HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_STREAM_MANAGE] = 0x693f0,
+ [MOD_HDCP_MESSAGE_ID_READ_REPEATER_AUTH_STREAM_READY] = 0x69473,
+ [MOD_HDCP_MESSAGE_ID_READ_RXSTATUS] = 0x69493,
+ [MOD_HDCP_MESSAGE_ID_WRITE_CONTENT_STREAM_TYPE] = 0x69494
+};
+
+static enum mod_hdcp_status read(struct mod_hdcp *hdcp,
+ enum mod_hdcp_ddc_message_id msg_id,
+ uint8_t *buf,
+ uint32_t buf_len)
+{
+ bool success = true;
+ uint32_t cur_size = 0;
+ uint32_t data_offset = 0;
+
+ if (is_dp_hdcp(hdcp)) {
+ while (buf_len > 0) {
+ cur_size = MIN(buf_len, HDCP_MAX_AUX_TRANSACTION_SIZE);
+ success = hdcp->config.ddc.funcs.read_dpcd(hdcp->config.ddc.handle,
+ hdcp_dpcd_addrs[msg_id] + data_offset,
+ buf + data_offset,
+ cur_size);
+
+ if (!success)
+ break;
+
+ buf_len -= cur_size;
+ data_offset += cur_size;
+ }
+ } else {
+ success = hdcp->config.ddc.funcs.read_i2c(
+ hdcp->config.ddc.handle,
+ HDCP_I2C_ADDR,
+ hdcp_i2c_offsets[msg_id],
+ buf,
+ (uint32_t)buf_len);
+ }
+
+ return success ? MOD_HDCP_STATUS_SUCCESS : MOD_HDCP_STATUS_DDC_FAILURE;
+}
+
+static enum mod_hdcp_status read_repeatedly(struct mod_hdcp *hdcp,
+ enum mod_hdcp_ddc_message_id msg_id,
+ uint8_t *buf,
+ uint32_t buf_len,
+ uint8_t read_size)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_DDC_FAILURE;
+ uint32_t cur_size = 0;
+ uint32_t data_offset = 0;
+
+ while (buf_len > 0) {
+ cur_size = MIN(buf_len, read_size);
+ status = read(hdcp, msg_id, buf + data_offset, cur_size);
+
+ if (status != MOD_HDCP_STATUS_SUCCESS)
+ break;
+
+ buf_len -= cur_size;
+ data_offset += cur_size;
+ }
+
+ return status;
+}
+
+static enum mod_hdcp_status write(struct mod_hdcp *hdcp,
+ enum mod_hdcp_ddc_message_id msg_id,
+ uint8_t *buf,
+ uint32_t buf_len)
+{
+ bool success = true;
+ uint32_t cur_size = 0;
+ uint32_t data_offset = 0;
+
+ if (is_dp_hdcp(hdcp)) {
+ while (buf_len > 0) {
+ cur_size = MIN(buf_len, HDCP_MAX_AUX_TRANSACTION_SIZE);
+ success = hdcp->config.ddc.funcs.write_dpcd(
+ hdcp->config.ddc.handle,
+ hdcp_dpcd_addrs[msg_id] + data_offset,
+ buf + data_offset,
+ cur_size);
+
+ if (!success)
+ break;
+
+ buf_len -= cur_size;
+ data_offset += cur_size;
+ }
+ } else {
+ hdcp->buf[0] = hdcp_i2c_offsets[msg_id];
+ memmove(&hdcp->buf[1], buf, buf_len);
+ success = hdcp->config.ddc.funcs.write_i2c(
+ hdcp->config.ddc.handle,
+ HDCP_I2C_ADDR,
+ hdcp->buf,
+ (uint32_t)(buf_len+1));
+ }
+
+ return success ? MOD_HDCP_STATUS_SUCCESS : MOD_HDCP_STATUS_DDC_FAILURE;
+}
+
+enum mod_hdcp_status mod_hdcp_read_bksv(struct mod_hdcp *hdcp)
+{
+ return read(hdcp, MOD_HDCP_MESSAGE_ID_READ_BKSV,
+ hdcp->auth.msg.hdcp1.bksv,
+ sizeof(hdcp->auth.msg.hdcp1.bksv));
+}
+
+enum mod_hdcp_status mod_hdcp_read_bcaps(struct mod_hdcp *hdcp)
+{
+ return read(hdcp, MOD_HDCP_MESSAGE_ID_READ_BCAPS,
+ &hdcp->auth.msg.hdcp1.bcaps,
+ sizeof(hdcp->auth.msg.hdcp1.bcaps));
+}
+
+enum mod_hdcp_status mod_hdcp_read_bstatus(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+
+ if (is_dp_hdcp(hdcp))
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_BSTATUS,
+ (uint8_t *)&hdcp->auth.msg.hdcp1.bstatus,
+ 1);
+ else
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_BSTATUS,
+ (uint8_t *)&hdcp->auth.msg.hdcp1.bstatus,
+ sizeof(hdcp->auth.msg.hdcp1.bstatus));
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_read_r0p(struct mod_hdcp *hdcp)
+{
+ return read(hdcp, MOD_HDCP_MESSAGE_ID_READ_RI_R0,
+ (uint8_t *)&hdcp->auth.msg.hdcp1.r0p,
+ sizeof(hdcp->auth.msg.hdcp1.r0p));
+}
+
+/* special case, reading repeatedly at the same address, don't use read() */
+enum mod_hdcp_status mod_hdcp_read_ksvlist(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+
+ if (is_dp_hdcp(hdcp))
+ status = read_repeatedly(hdcp, MOD_HDCP_MESSAGE_ID_READ_KSV_FIFO,
+ hdcp->auth.msg.hdcp1.ksvlist,
+ hdcp->auth.msg.hdcp1.ksvlist_size,
+ KSV_READ_SIZE);
+ else
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_KSV_FIFO,
+ (uint8_t *)&hdcp->auth.msg.hdcp1.ksvlist,
+ hdcp->auth.msg.hdcp1.ksvlist_size);
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_read_vp(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_VH_0,
+ &hdcp->auth.msg.hdcp1.vp[0], 4);
+ if (status != MOD_HDCP_STATUS_SUCCESS)
+ goto out;
+
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_VH_1,
+ &hdcp->auth.msg.hdcp1.vp[4], 4);
+ if (status != MOD_HDCP_STATUS_SUCCESS)
+ goto out;
+
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_VH_2,
+ &hdcp->auth.msg.hdcp1.vp[8], 4);
+ if (status != MOD_HDCP_STATUS_SUCCESS)
+ goto out;
+
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_VH_3,
+ &hdcp->auth.msg.hdcp1.vp[12], 4);
+ if (status != MOD_HDCP_STATUS_SUCCESS)
+ goto out;
+
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_VH_4,
+ &hdcp->auth.msg.hdcp1.vp[16], 4);
+out:
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_read_binfo(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+
+ if (is_dp_hdcp(hdcp))
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_BINFO,
+ (uint8_t *)&hdcp->auth.msg.hdcp1.binfo_dp,
+ sizeof(hdcp->auth.msg.hdcp1.binfo_dp));
+ else
+ status = MOD_HDCP_STATUS_INVALID_OPERATION;
+
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_write_aksv(struct mod_hdcp *hdcp)
+{
+ return write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_AKSV,
+ hdcp->auth.msg.hdcp1.aksv,
+ sizeof(hdcp->auth.msg.hdcp1.aksv));
+}
+
+enum mod_hdcp_status mod_hdcp_write_ainfo(struct mod_hdcp *hdcp)
+{
+ return write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_AINFO,
+ &hdcp->auth.msg.hdcp1.ainfo,
+ sizeof(hdcp->auth.msg.hdcp1.ainfo));
+}
+
+enum mod_hdcp_status mod_hdcp_write_an(struct mod_hdcp *hdcp)
+{
+ return write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_AN,
+ hdcp->auth.msg.hdcp1.an,
+ sizeof(hdcp->auth.msg.hdcp1.an));
+}
+
+enum mod_hdcp_status mod_hdcp_read_hdcp2version(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+
+ if (is_dp_hdcp(hdcp))
+ status = MOD_HDCP_STATUS_INVALID_OPERATION;
+ else
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_HDCP2VERSION,
+ &hdcp->auth.msg.hdcp2.hdcp2version_hdmi,
+ sizeof(hdcp->auth.msg.hdcp2.hdcp2version_hdmi));
+
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_read_rxcaps(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+
+ if (!is_dp_hdcp(hdcp))
+ status = MOD_HDCP_STATUS_INVALID_OPERATION;
+ else
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_RX_CAPS,
+ hdcp->auth.msg.hdcp2.rxcaps_dp,
+ sizeof(hdcp->auth.msg.hdcp2.rxcaps_dp));
+
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_read_rxstatus(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+
+ if (is_dp_hdcp(hdcp)) {
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_RXSTATUS,
+ &hdcp->auth.msg.hdcp2.rxstatus_dp,
+ 1);
+ } else {
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_RXSTATUS,
+ (uint8_t *)&hdcp->auth.msg.hdcp2.rxstatus,
+ sizeof(hdcp->auth.msg.hdcp2.rxstatus));
+ }
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_read_ake_cert(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+
+ if (is_dp_hdcp(hdcp)) {
+ hdcp->auth.msg.hdcp2.ake_cert[0] = HDCP_2_2_AKE_SEND_CERT;
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_CERT,
+ hdcp->auth.msg.hdcp2.ake_cert+1,
+ sizeof(hdcp->auth.msg.hdcp2.ake_cert)-1);
+
+ } else {
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_CERT,
+ hdcp->auth.msg.hdcp2.ake_cert,
+ sizeof(hdcp->auth.msg.hdcp2.ake_cert));
+ }
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_read_h_prime(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+
+ if (is_dp_hdcp(hdcp)) {
+ hdcp->auth.msg.hdcp2.ake_h_prime[0] = HDCP_2_2_AKE_SEND_HPRIME;
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_H_PRIME,
+ hdcp->auth.msg.hdcp2.ake_h_prime+1,
+ sizeof(hdcp->auth.msg.hdcp2.ake_h_prime)-1);
+
+ } else {
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_H_PRIME,
+ hdcp->auth.msg.hdcp2.ake_h_prime,
+ sizeof(hdcp->auth.msg.hdcp2.ake_h_prime));
+ }
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_read_pairing_info(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+
+ if (is_dp_hdcp(hdcp)) {
+ hdcp->auth.msg.hdcp2.ake_pairing_info[0] = HDCP_2_2_AKE_SEND_PAIRING_INFO;
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_PAIRING_INFO,
+ hdcp->auth.msg.hdcp2.ake_pairing_info+1,
+ sizeof(hdcp->auth.msg.hdcp2.ake_pairing_info)-1);
+
+ } else {
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_AKE_SEND_PAIRING_INFO,
+ hdcp->auth.msg.hdcp2.ake_pairing_info,
+ sizeof(hdcp->auth.msg.hdcp2.ake_pairing_info));
+ }
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_read_l_prime(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+
+ if (is_dp_hdcp(hdcp)) {
+ hdcp->auth.msg.hdcp2.lc_l_prime[0] = HDCP_2_2_LC_SEND_LPRIME;
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_LC_SEND_L_PRIME,
+ hdcp->auth.msg.hdcp2.lc_l_prime+1,
+ sizeof(hdcp->auth.msg.hdcp2.lc_l_prime)-1);
+
+ } else {
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_LC_SEND_L_PRIME,
+ hdcp->auth.msg.hdcp2.lc_l_prime,
+ sizeof(hdcp->auth.msg.hdcp2.lc_l_prime));
+ }
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_read_rx_id_list(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (is_dp_hdcp(hdcp)) {
+ uint32_t device_count = 0;
+ uint32_t rx_id_list_size = 0;
+ uint32_t bytes_read = 0;
+
+ hdcp->auth.msg.hdcp2.rx_id_list[0] = HDCP_2_2_REP_SEND_RECVID_LIST;
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_REPEATER_AUTH_SEND_RECEIVERID_LIST,
+ hdcp->auth.msg.hdcp2.rx_id_list+1,
+ HDCP_MAX_AUX_TRANSACTION_SIZE);
+ if (status == MOD_HDCP_STATUS_SUCCESS) {
+ bytes_read = HDCP_MAX_AUX_TRANSACTION_SIZE;
+ device_count = HDCP_2_2_DEV_COUNT_LO(hdcp->auth.msg.hdcp2.rx_id_list[2]) +
+ (HDCP_2_2_DEV_COUNT_HI(hdcp->auth.msg.hdcp2.rx_id_list[1]) << 4);
+ rx_id_list_size = MIN((21 + 5 * device_count),
+ (sizeof(hdcp->auth.msg.hdcp2.rx_id_list) - 1));
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_REPEATER_AUTH_SEND_RECEIVERID_LIST_PART2,
+ hdcp->auth.msg.hdcp2.rx_id_list + 1 + bytes_read,
+ (rx_id_list_size - 1) / HDCP_MAX_AUX_TRANSACTION_SIZE * HDCP_MAX_AUX_TRANSACTION_SIZE);
+ }
+ } else {
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_REPEATER_AUTH_SEND_RECEIVERID_LIST,
+ hdcp->auth.msg.hdcp2.rx_id_list,
+ hdcp->auth.msg.hdcp2.rx_id_list_size);
+ }
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_read_stream_ready(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+
+ if (is_dp_hdcp(hdcp)) {
+ hdcp->auth.msg.hdcp2.repeater_auth_stream_ready[0] = HDCP_2_2_REP_STREAM_READY;
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_REPEATER_AUTH_STREAM_READY,
+ hdcp->auth.msg.hdcp2.repeater_auth_stream_ready+1,
+ sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_ready)-1);
+
+ } else {
+ status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_REPEATER_AUTH_STREAM_READY,
+ hdcp->auth.msg.hdcp2.repeater_auth_stream_ready,
+ sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_ready));
+ }
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_write_ake_init(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+
+ if (is_dp_hdcp(hdcp))
+ status = write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_AKE_INIT,
+ hdcp->auth.msg.hdcp2.ake_init+1,
+ sizeof(hdcp->auth.msg.hdcp2.ake_init)-1);
+ else
+ status = write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_AKE_INIT,
+ hdcp->auth.msg.hdcp2.ake_init,
+ sizeof(hdcp->auth.msg.hdcp2.ake_init));
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_write_no_stored_km(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+
+ if (is_dp_hdcp(hdcp))
+ status = write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_AKE_NO_STORED_KM,
+ hdcp->auth.msg.hdcp2.ake_no_stored_km+1,
+ sizeof(hdcp->auth.msg.hdcp2.ake_no_stored_km)-1);
+ else
+ status = write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_AKE_NO_STORED_KM,
+ hdcp->auth.msg.hdcp2.ake_no_stored_km,
+ sizeof(hdcp->auth.msg.hdcp2.ake_no_stored_km));
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_write_stored_km(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+
+ if (is_dp_hdcp(hdcp))
+ status = write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_AKE_STORED_KM,
+ hdcp->auth.msg.hdcp2.ake_stored_km+1,
+ sizeof(hdcp->auth.msg.hdcp2.ake_stored_km)-1);
+ else
+ status = write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_AKE_STORED_KM,
+ hdcp->auth.msg.hdcp2.ake_stored_km,
+ sizeof(hdcp->auth.msg.hdcp2.ake_stored_km));
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_write_lc_init(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+
+ if (is_dp_hdcp(hdcp))
+ status = write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_LC_INIT,
+ hdcp->auth.msg.hdcp2.lc_init+1,
+ sizeof(hdcp->auth.msg.hdcp2.lc_init)-1);
+ else
+ status = write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_LC_INIT,
+ hdcp->auth.msg.hdcp2.lc_init,
+ sizeof(hdcp->auth.msg.hdcp2.lc_init));
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_write_eks(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+
+ if (is_dp_hdcp(hdcp))
+ status = write(hdcp,
+ MOD_HDCP_MESSAGE_ID_WRITE_SKE_SEND_EKS,
+ hdcp->auth.msg.hdcp2.ske_eks+1,
+ sizeof(hdcp->auth.msg.hdcp2.ske_eks)-1);
+ else
+ status = write(hdcp,
+ MOD_HDCP_MESSAGE_ID_WRITE_SKE_SEND_EKS,
+ hdcp->auth.msg.hdcp2.ske_eks,
+ sizeof(hdcp->auth.msg.hdcp2.ske_eks));
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_write_repeater_auth_ack(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+
+ if (is_dp_hdcp(hdcp))
+ status = write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_SEND_ACK,
+ hdcp->auth.msg.hdcp2.repeater_auth_ack+1,
+ sizeof(hdcp->auth.msg.hdcp2.repeater_auth_ack)-1);
+ else
+ status = write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_SEND_ACK,
+ hdcp->auth.msg.hdcp2.repeater_auth_ack,
+ sizeof(hdcp->auth.msg.hdcp2.repeater_auth_ack));
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_write_stream_manage(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+
+ if (is_dp_hdcp(hdcp))
+ status = write(hdcp,
+ MOD_HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_STREAM_MANAGE,
+ hdcp->auth.msg.hdcp2.repeater_auth_stream_manage+1,
+ hdcp->auth.msg.hdcp2.stream_manage_size-1);
+ else
+ status = write(hdcp,
+ MOD_HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_STREAM_MANAGE,
+ hdcp->auth.msg.hdcp2.repeater_auth_stream_manage,
+ hdcp->auth.msg.hdcp2.stream_manage_size);
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_write_content_type(struct mod_hdcp *hdcp)
+{
+ enum mod_hdcp_status status;
+
+ if (is_dp_hdcp(hdcp))
+ status = write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_CONTENT_STREAM_TYPE,
+ hdcp->auth.msg.hdcp2.content_stream_type_dp+1,
+ sizeof(hdcp->auth.msg.hdcp2.content_stream_type_dp)-1);
+ else
+ status = MOD_HDCP_STATUS_INVALID_OPERATION;
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_clear_cp_irq_status(struct mod_hdcp *hdcp)
+{
+ uint8_t clear_cp_irq_bit = DP_CP_IRQ;
+ uint32_t size = 1;
+
+ if (is_dp_hdcp(hdcp)) {
+ uint32_t cp_irq_addrs = (hdcp->connection.link.dp.rev >= 0x14)
+ ? DP_DEVICE_SERVICE_IRQ_VECTOR_ESI0:DP_DEVICE_SERVICE_IRQ_VECTOR;
+ return hdcp->config.ddc.funcs.write_dpcd(hdcp->config.ddc.handle, cp_irq_addrs,
+ &clear_cp_irq_bit, size) ? MOD_HDCP_STATUS_SUCCESS : MOD_HDCP_STATUS_DDC_FAILURE;
+ }
+
+ return MOD_HDCP_STATUS_INVALID_OPERATION;
+}
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.c
new file mode 100644
index 000000000..6b3b5f610
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.c
@@ -0,0 +1,361 @@
+/*
+ * Copyright 2019 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+
+#include "hdcp.h"
+
+void mod_hdcp_dump_binary_message(uint8_t *msg, uint32_t msg_size,
+ uint8_t *buf, uint32_t buf_size)
+{
+ const uint8_t bytes_per_line = 16,
+ byte_size = 3,
+ newline_size = 1,
+ terminator_size = 1;
+ uint32_t line_count = msg_size / bytes_per_line,
+ trailing_bytes = msg_size % bytes_per_line;
+ uint32_t target_size = (byte_size * bytes_per_line + newline_size) * line_count +
+ byte_size * trailing_bytes + newline_size + terminator_size;
+ uint32_t buf_pos = 0;
+ uint32_t i = 0;
+
+ if (buf_size >= target_size) {
+ for (i = 0; i < msg_size; i++) {
+ if (i % bytes_per_line == 0)
+ buf[buf_pos++] = '\n';
+ sprintf(&buf[buf_pos], "%02X ", msg[i]);
+ buf_pos += byte_size;
+ }
+ buf[buf_pos++] = '\0';
+ }
+}
+
+void mod_hdcp_log_ddc_trace(struct mod_hdcp *hdcp)
+{
+ if (is_hdcp1(hdcp)) {
+ HDCP_DDC_READ_TRACE(hdcp, "BKSV", hdcp->auth.msg.hdcp1.bksv,
+ sizeof(hdcp->auth.msg.hdcp1.bksv));
+ HDCP_DDC_READ_TRACE(hdcp, "BCAPS", &hdcp->auth.msg.hdcp1.bcaps,
+ sizeof(hdcp->auth.msg.hdcp1.bcaps));
+ HDCP_DDC_READ_TRACE(hdcp, "BSTATUS",
+ (uint8_t *)&hdcp->auth.msg.hdcp1.bstatus,
+ sizeof(hdcp->auth.msg.hdcp1.bstatus));
+ HDCP_DDC_WRITE_TRACE(hdcp, "AN", hdcp->auth.msg.hdcp1.an,
+ sizeof(hdcp->auth.msg.hdcp1.an));
+ HDCP_DDC_WRITE_TRACE(hdcp, "AKSV", hdcp->auth.msg.hdcp1.aksv,
+ sizeof(hdcp->auth.msg.hdcp1.aksv));
+ HDCP_DDC_WRITE_TRACE(hdcp, "AINFO", &hdcp->auth.msg.hdcp1.ainfo,
+ sizeof(hdcp->auth.msg.hdcp1.ainfo));
+ HDCP_DDC_READ_TRACE(hdcp, "RI' / R0'",
+ (uint8_t *)&hdcp->auth.msg.hdcp1.r0p,
+ sizeof(hdcp->auth.msg.hdcp1.r0p));
+ HDCP_DDC_READ_TRACE(hdcp, "BINFO",
+ (uint8_t *)&hdcp->auth.msg.hdcp1.binfo_dp,
+ sizeof(hdcp->auth.msg.hdcp1.binfo_dp));
+ HDCP_DDC_READ_TRACE(hdcp, "KSVLIST", hdcp->auth.msg.hdcp1.ksvlist,
+ hdcp->auth.msg.hdcp1.ksvlist_size);
+ HDCP_DDC_READ_TRACE(hdcp, "V'", hdcp->auth.msg.hdcp1.vp,
+ sizeof(hdcp->auth.msg.hdcp1.vp));
+ } else if (is_hdcp2(hdcp)) {
+ HDCP_DDC_READ_TRACE(hdcp, "HDCP2Version",
+ &hdcp->auth.msg.hdcp2.hdcp2version_hdmi,
+ sizeof(hdcp->auth.msg.hdcp2.hdcp2version_hdmi));
+ HDCP_DDC_READ_TRACE(hdcp, "Rx Caps", hdcp->auth.msg.hdcp2.rxcaps_dp,
+ sizeof(hdcp->auth.msg.hdcp2.rxcaps_dp));
+ HDCP_DDC_WRITE_TRACE(hdcp, "AKE Init", hdcp->auth.msg.hdcp2.ake_init,
+ sizeof(hdcp->auth.msg.hdcp2.ake_init));
+ HDCP_DDC_READ_TRACE(hdcp, "AKE Cert", hdcp->auth.msg.hdcp2.ake_cert,
+ sizeof(hdcp->auth.msg.hdcp2.ake_cert));
+ HDCP_DDC_WRITE_TRACE(hdcp, "Stored KM",
+ hdcp->auth.msg.hdcp2.ake_stored_km,
+ sizeof(hdcp->auth.msg.hdcp2.ake_stored_km));
+ HDCP_DDC_WRITE_TRACE(hdcp, "No Stored KM",
+ hdcp->auth.msg.hdcp2.ake_no_stored_km,
+ sizeof(hdcp->auth.msg.hdcp2.ake_no_stored_km));
+ HDCP_DDC_READ_TRACE(hdcp, "H'", hdcp->auth.msg.hdcp2.ake_h_prime,
+ sizeof(hdcp->auth.msg.hdcp2.ake_h_prime));
+ HDCP_DDC_READ_TRACE(hdcp, "Pairing Info",
+ hdcp->auth.msg.hdcp2.ake_pairing_info,
+ sizeof(hdcp->auth.msg.hdcp2.ake_pairing_info));
+ HDCP_DDC_WRITE_TRACE(hdcp, "LC Init", hdcp->auth.msg.hdcp2.lc_init,
+ sizeof(hdcp->auth.msg.hdcp2.lc_init));
+ HDCP_DDC_READ_TRACE(hdcp, "L'", hdcp->auth.msg.hdcp2.lc_l_prime,
+ sizeof(hdcp->auth.msg.hdcp2.lc_l_prime));
+ HDCP_DDC_WRITE_TRACE(hdcp, "Exchange KS", hdcp->auth.msg.hdcp2.ske_eks,
+ sizeof(hdcp->auth.msg.hdcp2.ske_eks));
+ HDCP_DDC_READ_TRACE(hdcp, "Rx Status",
+ (uint8_t *)&hdcp->auth.msg.hdcp2.rxstatus,
+ sizeof(hdcp->auth.msg.hdcp2.rxstatus));
+ HDCP_DDC_READ_TRACE(hdcp, "Rx Id List",
+ hdcp->auth.msg.hdcp2.rx_id_list,
+ hdcp->auth.msg.hdcp2.rx_id_list_size);
+ HDCP_DDC_WRITE_TRACE(hdcp, "Rx Id List Ack",
+ hdcp->auth.msg.hdcp2.repeater_auth_ack,
+ sizeof(hdcp->auth.msg.hdcp2.repeater_auth_ack));
+ HDCP_DDC_WRITE_TRACE(hdcp, "Content Stream Management",
+ hdcp->auth.msg.hdcp2.repeater_auth_stream_manage,
+ hdcp->auth.msg.hdcp2.stream_manage_size);
+ HDCP_DDC_READ_TRACE(hdcp, "Stream Ready",
+ hdcp->auth.msg.hdcp2.repeater_auth_stream_ready,
+ sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_ready));
+ HDCP_DDC_WRITE_TRACE(hdcp, "Content Stream Type",
+ hdcp->auth.msg.hdcp2.content_stream_type_dp,
+ sizeof(hdcp->auth.msg.hdcp2.content_stream_type_dp));
+ }
+}
+
+char *mod_hdcp_status_to_str(int32_t status)
+{
+ switch (status) {
+ case MOD_HDCP_STATUS_SUCCESS:
+ return "MOD_HDCP_STATUS_SUCCESS";
+ case MOD_HDCP_STATUS_FAILURE:
+ return "MOD_HDCP_STATUS_FAILURE";
+ case MOD_HDCP_STATUS_RESET_NEEDED:
+ return "MOD_HDCP_STATUS_RESET_NEEDED";
+ case MOD_HDCP_STATUS_DISPLAY_OUT_OF_BOUND:
+ return "MOD_HDCP_STATUS_DISPLAY_OUT_OF_BOUND";
+ case MOD_HDCP_STATUS_DISPLAY_NOT_FOUND:
+ return "MOD_HDCP_STATUS_DISPLAY_NOT_FOUND";
+ case MOD_HDCP_STATUS_INVALID_STATE:
+ return "MOD_HDCP_STATUS_INVALID_STATE";
+ case MOD_HDCP_STATUS_NOT_IMPLEMENTED:
+ return "MOD_HDCP_STATUS_NOT_IMPLEMENTED";
+ case MOD_HDCP_STATUS_INTERNAL_POLICY_FAILURE:
+ return "MOD_HDCP_STATUS_INTERNAL_POLICY_FAILURE";
+ case MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE:
+ return "MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE";
+ case MOD_HDCP_STATUS_CREATE_PSP_SERVICE_FAILURE:
+ return "MOD_HDCP_STATUS_CREATE_PSP_SERVICE_FAILURE";
+ case MOD_HDCP_STATUS_DESTROY_PSP_SERVICE_FAILURE:
+ return "MOD_HDCP_STATUS_DESTROY_PSP_SERVICE_FAILURE";
+ case MOD_HDCP_STATUS_HDCP1_CREATE_SESSION_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP1_CREATE_SESSION_FAILURE";
+ case MOD_HDCP_STATUS_HDCP1_DESTROY_SESSION_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP1_DESTROY_SESSION_FAILURE";
+ case MOD_HDCP_STATUS_HDCP1_VALIDATE_ENCRYPTION_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP1_VALIDATE_ENCRYPTION_FAILURE";
+ case MOD_HDCP_STATUS_HDCP1_NOT_HDCP_REPEATER:
+ return "MOD_HDCP_STATUS_HDCP1_NOT_HDCP_REPEATER";
+ case MOD_HDCP_STATUS_HDCP1_NOT_CAPABLE:
+ return "MOD_HDCP_STATUS_HDCP1_NOT_CAPABLE";
+ case MOD_HDCP_STATUS_HDCP1_R0_PRIME_PENDING:
+ return "MOD_HDCP_STATUS_HDCP1_R0_PRIME_PENDING";
+ case MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE";
+ case MOD_HDCP_STATUS_HDCP1_BKSV_REVOKED:
+ return "MOD_HDCP_STATUS_HDCP1_BKSV_REVOKED";
+ case MOD_HDCP_STATUS_HDCP1_KSV_LIST_NOT_READY:
+ return "MOD_HDCP_STATUS_HDCP1_KSV_LIST_NOT_READY";
+ case MOD_HDCP_STATUS_HDCP1_VALIDATE_KSV_LIST_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP1_VALIDATE_KSV_LIST_FAILURE";
+ case MOD_HDCP_STATUS_HDCP1_KSV_LIST_REVOKED:
+ return "MOD_HDCP_STATUS_HDCP1_KSV_LIST_REVOKED";
+ case MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION_FAILURE";
+ case MOD_HDCP_STATUS_HDCP1_ENABLE_STREAM_ENCRYPTION_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP1_ENABLE_STREAM_ENCRYPTION_FAILURE";
+ case MOD_HDCP_STATUS_HDCP1_MAX_CASCADE_EXCEEDED_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP1_MAX_CASCADE_EXCEEDED_FAILURE";
+ case MOD_HDCP_STATUS_HDCP1_MAX_DEVS_EXCEEDED_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP1_MAX_DEVS_EXCEEDED_FAILURE";
+ case MOD_HDCP_STATUS_HDCP1_DEVICE_COUNT_MISMATCH_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP1_DEVICE_COUNT_MISMATCH_FAILURE";
+ case MOD_HDCP_STATUS_HDCP1_LINK_INTEGRITY_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP1_LINK_INTEGRITY_FAILURE";
+ case MOD_HDCP_STATUS_HDCP1_REAUTH_REQUEST_ISSUED:
+ return "MOD_HDCP_STATUS_HDCP1_REAUTH_REQUEST_ISSUED";
+ case MOD_HDCP_STATUS_HDCP1_LINK_MAINTENANCE_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP1_LINK_MAINTENANCE_FAILURE";
+ case MOD_HDCP_STATUS_HDCP1_INVALID_BKSV:
+ return "MOD_HDCP_STATUS_HDCP1_INVALID_BKSV";
+ case MOD_HDCP_STATUS_DDC_FAILURE:
+ return "MOD_HDCP_STATUS_DDC_FAILURE";
+ case MOD_HDCP_STATUS_INVALID_OPERATION:
+ return "MOD_HDCP_STATUS_INVALID_OPERATION";
+ case MOD_HDCP_STATUS_HDCP2_NOT_CAPABLE:
+ return "MOD_HDCP_STATUS_HDCP2_NOT_CAPABLE";
+ case MOD_HDCP_STATUS_HDCP2_CREATE_SESSION_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP2_CREATE_SESSION_FAILURE";
+ case MOD_HDCP_STATUS_HDCP2_DESTROY_SESSION_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP2_DESTROY_SESSION_FAILURE";
+ case MOD_HDCP_STATUS_HDCP2_PREP_AKE_INIT_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP2_PREP_AKE_INIT_FAILURE";
+ case MOD_HDCP_STATUS_HDCP2_AKE_CERT_PENDING:
+ return "MOD_HDCP_STATUS_HDCP2_AKE_CERT_PENDING";
+ case MOD_HDCP_STATUS_HDCP2_H_PRIME_PENDING:
+ return "MOD_HDCP_STATUS_HDCP2_H_PRIME_PENDING";
+ case MOD_HDCP_STATUS_HDCP2_PAIRING_INFO_PENDING:
+ return "MOD_HDCP_STATUS_HDCP2_PAIRING_INFO_PENDING";
+ case MOD_HDCP_STATUS_HDCP2_VALIDATE_AKE_CERT_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP2_VALIDATE_AKE_CERT_FAILURE";
+ case MOD_HDCP_STATUS_HDCP2_AKE_CERT_REVOKED:
+ return "MOD_HDCP_STATUS_HDCP2_AKE_CERT_REVOKED";
+ case MOD_HDCP_STATUS_HDCP2_VALIDATE_H_PRIME_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP2_VALIDATE_H_PRIME_FAILURE";
+ case MOD_HDCP_STATUS_HDCP2_VALIDATE_PAIRING_INFO_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP2_VALIDATE_PAIRING_INFO_FAILURE";
+ case MOD_HDCP_STATUS_HDCP2_PREP_LC_INIT_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP2_PREP_LC_INIT_FAILURE";
+ case MOD_HDCP_STATUS_HDCP2_L_PRIME_PENDING:
+ return "MOD_HDCP_STATUS_HDCP2_L_PRIME_PENDING";
+ case MOD_HDCP_STATUS_HDCP2_VALIDATE_L_PRIME_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP2_VALIDATE_L_PRIME_FAILURE";
+ case MOD_HDCP_STATUS_HDCP2_PREP_EKS_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP2_PREP_EKS_FAILURE";
+ case MOD_HDCP_STATUS_HDCP2_ENABLE_ENCRYPTION_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP2_ENABLE_ENCRYPTION_FAILURE";
+ case MOD_HDCP_STATUS_HDCP2_VALIDATE_RX_ID_LIST_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP2_VALIDATE_RX_ID_LIST_FAILURE";
+ case MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_REVOKED:
+ return "MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_REVOKED";
+ case MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_NOT_READY:
+ return "MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_NOT_READY";
+ case MOD_HDCP_STATUS_HDCP2_ENABLE_STREAM_ENCRYPTION_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP2_ENABLE_STREAM_ENCRYPTION_FAILURE";
+ case MOD_HDCP_STATUS_HDCP2_STREAM_READY_PENDING:
+ return "MOD_HDCP_STATUS_HDCP2_STREAM_READY_PENDING";
+ case MOD_HDCP_STATUS_HDCP2_VALIDATE_STREAM_READY_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP2_VALIDATE_STREAM_READY_FAILURE";
+ case MOD_HDCP_STATUS_HDCP2_PREPARE_STREAM_MANAGEMENT_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP2_PREPARE_STREAM_MANAGEMENT_FAILURE";
+ case MOD_HDCP_STATUS_HDCP2_REAUTH_REQUEST:
+ return "MOD_HDCP_STATUS_HDCP2_REAUTH_REQUEST";
+ case MOD_HDCP_STATUS_HDCP2_REAUTH_LINK_INTEGRITY_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP2_REAUTH_LINK_INTEGRITY_FAILURE";
+ case MOD_HDCP_STATUS_HDCP2_DEVICE_COUNT_MISMATCH_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP2_DEVICE_COUNT_MISMATCH_FAILURE";
+ case MOD_HDCP_STATUS_UNSUPPORTED_PSP_VER_FAILURE:
+ return "MOD_HDCP_STATUS_UNSUPPORTED_PSP_VER_FAILURE";
+ default:
+ return "MOD_HDCP_STATUS_UNKNOWN";
+ }
+}
+
+char *mod_hdcp_state_id_to_str(int32_t id)
+{
+ switch (id) {
+ case HDCP_UNINITIALIZED:
+ return "HDCP_UNINITIALIZED";
+ case HDCP_INITIALIZED:
+ return "HDCP_INITIALIZED";
+ case HDCP_CP_NOT_DESIRED:
+ return "HDCP_CP_NOT_DESIRED";
+ case H1_A0_WAIT_FOR_ACTIVE_RX:
+ return "H1_A0_WAIT_FOR_ACTIVE_RX";
+ case H1_A1_EXCHANGE_KSVS:
+ return "H1_A1_EXCHANGE_KSVS";
+ case H1_A2_COMPUTATIONS_A3_VALIDATE_RX_A6_TEST_FOR_REPEATER:
+ return "H1_A2_COMPUTATIONS_A3_VALIDATE_RX_A6_TEST_FOR_REPEATER";
+ case H1_A45_AUTHENTICATED:
+ return "H1_A45_AUTHENTICATED";
+ case H1_A8_WAIT_FOR_READY:
+ return "H1_A8_WAIT_FOR_READY";
+ case H1_A9_READ_KSV_LIST:
+ return "H1_A9_READ_KSV_LIST";
+ case D1_A0_DETERMINE_RX_HDCP_CAPABLE:
+ return "D1_A0_DETERMINE_RX_HDCP_CAPABLE";
+ case D1_A1_EXCHANGE_KSVS:
+ return "D1_A1_EXCHANGE_KSVS";
+ case D1_A23_WAIT_FOR_R0_PRIME:
+ return "D1_A23_WAIT_FOR_R0_PRIME";
+ case D1_A2_COMPUTATIONS_A3_VALIDATE_RX_A5_TEST_FOR_REPEATER:
+ return "D1_A2_COMPUTATIONS_A3_VALIDATE_RX_A5_TEST_FOR_REPEATER";
+ case D1_A4_AUTHENTICATED:
+ return "D1_A4_AUTHENTICATED";
+ case D1_A6_WAIT_FOR_READY:
+ return "D1_A6_WAIT_FOR_READY";
+ case D1_A7_READ_KSV_LIST:
+ return "D1_A7_READ_KSV_LIST";
+ case H2_A0_KNOWN_HDCP2_CAPABLE_RX:
+ return "H2_A0_KNOWN_HDCP2_CAPABLE_RX";
+ case H2_A1_SEND_AKE_INIT:
+ return "H2_A1_SEND_AKE_INIT";
+ case H2_A1_VALIDATE_AKE_CERT:
+ return "H2_A1_VALIDATE_AKE_CERT";
+ case H2_A1_SEND_NO_STORED_KM:
+ return "H2_A1_SEND_NO_STORED_KM";
+ case H2_A1_READ_H_PRIME:
+ return "H2_A1_READ_H_PRIME";
+ case H2_A1_READ_PAIRING_INFO_AND_VALIDATE_H_PRIME:
+ return "H2_A1_READ_PAIRING_INFO_AND_VALIDATE_H_PRIME";
+ case H2_A1_SEND_STORED_KM:
+ return "H2_A1_SEND_STORED_KM";
+ case H2_A1_VALIDATE_H_PRIME:
+ return "H2_A1_VALIDATE_H_PRIME";
+ case H2_A2_LOCALITY_CHECK:
+ return "H2_A2_LOCALITY_CHECK";
+ case H2_A3_EXCHANGE_KS_AND_TEST_FOR_REPEATER:
+ return "H2_A3_EXCHANGE_KS_AND_TEST_FOR_REPEATER";
+ case H2_ENABLE_ENCRYPTION:
+ return "H2_ENABLE_ENCRYPTION";
+ case H2_A5_AUTHENTICATED:
+ return "H2_A5_AUTHENTICATED";
+ case H2_A6_WAIT_FOR_RX_ID_LIST:
+ return "H2_A6_WAIT_FOR_RX_ID_LIST";
+ case H2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK:
+ return "H2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK";
+ case H2_A9_SEND_STREAM_MANAGEMENT:
+ return "H2_A9_SEND_STREAM_MANAGEMENT";
+ case H2_A9_VALIDATE_STREAM_READY:
+ return "H2_A9_VALIDATE_STREAM_READY";
+ case D2_A0_DETERMINE_RX_HDCP_CAPABLE:
+ return "D2_A0_DETERMINE_RX_HDCP_CAPABLE";
+ case D2_A1_SEND_AKE_INIT:
+ return "D2_A1_SEND_AKE_INIT";
+ case D2_A1_VALIDATE_AKE_CERT:
+ return "D2_A1_VALIDATE_AKE_CERT";
+ case D2_A1_SEND_NO_STORED_KM:
+ return "D2_A1_SEND_NO_STORED_KM";
+ case D2_A1_READ_H_PRIME:
+ return "D2_A1_READ_H_PRIME";
+ case D2_A1_READ_PAIRING_INFO_AND_VALIDATE_H_PRIME:
+ return "D2_A1_READ_PAIRING_INFO_AND_VALIDATE_H_PRIME";
+ case D2_A1_SEND_STORED_KM:
+ return "D2_A1_SEND_STORED_KM";
+ case D2_A1_VALIDATE_H_PRIME:
+ return "D2_A1_VALIDATE_H_PRIME";
+ case D2_A2_LOCALITY_CHECK:
+ return "D2_A2_LOCALITY_CHECK";
+ case D2_A34_EXCHANGE_KS_AND_TEST_FOR_REPEATER:
+ return "D2_A34_EXCHANGE_KS_AND_TEST_FOR_REPEATER";
+ case D2_SEND_CONTENT_STREAM_TYPE:
+ return "D2_SEND_CONTENT_STREAM_TYPE";
+ case D2_ENABLE_ENCRYPTION:
+ return "D2_ENABLE_ENCRYPTION";
+ case D2_A5_AUTHENTICATED:
+ return "D2_A5_AUTHENTICATED";
+ case D2_A6_WAIT_FOR_RX_ID_LIST:
+ return "D2_A6_WAIT_FOR_RX_ID_LIST";
+ case D2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK:
+ return "D2_A78_VERIFY_RX_ID_LIST_AND_SEND_ACK";
+ case D2_A9_SEND_STREAM_MANAGEMENT:
+ return "D2_A9_SEND_STREAM_MANAGEMENT";
+ case D2_A9_VALIDATE_STREAM_READY:
+ return "D2_A9_VALIDATE_STREAM_READY";
+ default:
+ return "UNKNOWN_STATE_ID";
+ }
+}
+
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.h b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.h
new file mode 100644
index 000000000..eb6f9b9c5
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.h
@@ -0,0 +1,134 @@
+/*
+ * Copyright 2019 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef MOD_HDCP_LOG_H_
+#define MOD_HDCP_LOG_H_
+
+#ifdef CONFIG_DRM_AMD_DC_HDCP
+#define HDCP_LOG_ERR(hdcp, ...) DRM_DEBUG_KMS(__VA_ARGS__)
+#define HDCP_LOG_VER(hdcp, ...) DRM_DEBUG_KMS(__VA_ARGS__)
+#define HDCP_LOG_FSM(hdcp, ...) DRM_DEBUG_KMS(__VA_ARGS__)
+#define HDCP_LOG_TOP(hdcp, ...) pr_debug("[HDCP_TOP]:"__VA_ARGS__)
+#define HDCP_LOG_DDC(hdcp, ...) pr_debug("[HDCP_DDC]:"__VA_ARGS__)
+#endif
+
+/* default logs */
+#define HDCP_ERROR_TRACE(hdcp, status) \
+ HDCP_LOG_ERR(hdcp, \
+ "[Link %d] WARNING %s IN STATE %s STAY COUNT %d", \
+ hdcp->config.index, \
+ mod_hdcp_status_to_str(status), \
+ mod_hdcp_state_id_to_str(hdcp->state.id), \
+ hdcp->state.stay_count)
+#define HDCP_HDCP1_ENABLED_TRACE(hdcp, displayIndex) \
+ HDCP_LOG_VER(hdcp, \
+ "[Link %d] HDCP 1.4 enabled on display %d", \
+ hdcp->config.index, displayIndex)
+#define HDCP_HDCP2_ENABLED_TRACE(hdcp, displayIndex) \
+ HDCP_LOG_VER(hdcp, \
+ "[Link %d] HDCP 2.2 enabled on display %d", \
+ hdcp->config.index, displayIndex)
+#define HDCP_HDCP1_DISABLED_TRACE(hdcp, displayIndex) \
+ HDCP_LOG_VER(hdcp, \
+ "[Link %d] HDCP 1.4 disabled on display %d", \
+ hdcp->config.index, displayIndex)
+#define HDCP_HDCP2_DISABLED_TRACE(hdcp, displayIndex) \
+ HDCP_LOG_VER(hdcp, \
+ "[Link %d] HDCP 2.2 disabled on display %d", \
+ hdcp->config.index, displayIndex)
+
+/* state machine logs */
+#define HDCP_REMOVE_DISPLAY_TRACE(hdcp, displayIndex) \
+ HDCP_LOG_FSM(hdcp, \
+ "[Link %d] HDCP_REMOVE_DISPLAY index %d", \
+ hdcp->config.index, displayIndex)
+#define HDCP_INPUT_PASS_TRACE(hdcp, str) \
+ HDCP_LOG_FSM(hdcp, \
+ "[Link %d]\tPASS %s", \
+ hdcp->config.index, str)
+#define HDCP_INPUT_FAIL_TRACE(hdcp, str) \
+ HDCP_LOG_FSM(hdcp, \
+ "[Link %d]\tFAIL %s", \
+ hdcp->config.index, str)
+#define HDCP_NEXT_STATE_TRACE(hdcp, id, output) do { \
+ if (output->watchdog_timer_needed) \
+ HDCP_LOG_FSM(hdcp, \
+ "[Link %d] > %s with %d ms watchdog", \
+ hdcp->config.index, \
+ mod_hdcp_state_id_to_str(id), output->watchdog_timer_delay); \
+ else \
+ HDCP_LOG_FSM(hdcp, \
+ "[Link %d] > %s", hdcp->config.index, \
+ mod_hdcp_state_id_to_str(id)); \
+} while (0)
+#define HDCP_TIMEOUT_TRACE(hdcp) \
+ HDCP_LOG_FSM(hdcp, "[Link %d] --> TIMEOUT", hdcp->config.index)
+#define HDCP_CPIRQ_TRACE(hdcp) \
+ HDCP_LOG_FSM(hdcp, "[Link %d] --> CPIRQ", hdcp->config.index)
+#define HDCP_EVENT_TRACE(hdcp, event) \
+ if (event == MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) \
+ HDCP_TIMEOUT_TRACE(hdcp); \
+ else if (event == MOD_HDCP_EVENT_CPIRQ) \
+ HDCP_CPIRQ_TRACE(hdcp)
+/* TODO: find some way to tell if logging is off to save time */
+#define HDCP_DDC_READ_TRACE(hdcp, msg_name, msg, msg_size) do { \
+ mod_hdcp_dump_binary_message(msg, msg_size, hdcp->buf, \
+ sizeof(hdcp->buf)); \
+ HDCP_LOG_DDC(hdcp, "[Link %d] Read %s%s", hdcp->config.index, \
+ msg_name, hdcp->buf); \
+} while (0)
+#define HDCP_DDC_WRITE_TRACE(hdcp, msg_name, msg, msg_size) do { \
+ mod_hdcp_dump_binary_message(msg, msg_size, hdcp->buf, \
+ sizeof(hdcp->buf)); \
+ HDCP_LOG_DDC(hdcp, "[Link %d] Write %s%s", \
+ hdcp->config.index, msg_name,\
+ hdcp->buf); \
+} while (0)
+#define HDCP_TOP_ADD_DISPLAY_TRACE(hdcp, i) \
+ HDCP_LOG_TOP(hdcp, "[Link %d]\tadd display %d", \
+ hdcp->config.index, i)
+#define HDCP_TOP_REMOVE_DISPLAY_TRACE(hdcp, i) \
+ HDCP_LOG_TOP(hdcp, "[Link %d]\tremove display %d", \
+ hdcp->config.index, i)
+#define HDCP_TOP_HDCP1_DESTROY_SESSION_TRACE(hdcp) \
+ HDCP_LOG_TOP(hdcp, "[Link %d]\tdestroy hdcp1 session", \
+ hdcp->config.index)
+#define HDCP_TOP_HDCP2_DESTROY_SESSION_TRACE(hdcp) \
+ HDCP_LOG_TOP(hdcp, "[Link %d]\tdestroy hdcp2 session", \
+ hdcp->config.index)
+#define HDCP_TOP_RESET_AUTH_TRACE(hdcp) \
+ HDCP_LOG_TOP(hdcp, "[Link %d]\treset authentication", hdcp->config.index)
+#define HDCP_TOP_RESET_CONN_TRACE(hdcp) \
+ HDCP_LOG_TOP(hdcp, "[Link %d]\treset connection", hdcp->config.index)
+#define HDCP_TOP_INTERFACE_TRACE(hdcp) do { \
+ HDCP_LOG_TOP(hdcp, "\n"); \
+ HDCP_LOG_TOP(hdcp, "[Link %d] %s", hdcp->config.index, __func__); \
+} while (0)
+#define HDCP_TOP_INTERFACE_TRACE_WITH_INDEX(hdcp, i) do { \
+ HDCP_LOG_TOP(hdcp, "\n"); \
+ HDCP_LOG_TOP(hdcp, "[Link %d] %s display %d", hdcp->config.index, __func__, i); \
+} while (0)
+
+#endif // MOD_HDCP_LOG_H_
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
new file mode 100644
index 000000000..ee67a35c2
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
@@ -0,0 +1,1025 @@
+/*
+ * Copyright 2018 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#define MAX_NUM_DISPLAYS 24
+
+
+#include "hdcp.h"
+
+#include "amdgpu.h"
+#include "hdcp_psp.h"
+
+static void hdcp2_message_init(struct mod_hdcp *hdcp,
+ struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *in)
+{
+ in->session_handle = hdcp->auth.id;
+ in->prepare.msg1_id = TA_HDCP_HDCP2_MSG_ID__NULL_MESSAGE;
+ in->prepare.msg2_id = TA_HDCP_HDCP2_MSG_ID__NULL_MESSAGE;
+ in->process.msg1_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__NULL_MESSAGE;
+ in->process.msg1_desc.msg_size = 0;
+ in->process.msg2_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__NULL_MESSAGE;
+ in->process.msg2_desc.msg_size = 0;
+ in->process.msg3_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__NULL_MESSAGE;
+ in->process.msg3_desc.msg_size = 0;
+}
+
+static enum mod_hdcp_status remove_display_from_topology_v2(
+ struct mod_hdcp *hdcp, uint8_t index)
+{
+ struct psp_context *psp = hdcp->config.psp.handle;
+ struct ta_dtm_shared_memory *dtm_cmd;
+ struct mod_hdcp_display *display =
+ get_active_display_at_index(hdcp, index);
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ dtm_cmd = (struct ta_dtm_shared_memory *)psp->dtm_context.context.mem_context.shared_buf;
+
+ if (!display || !is_display_active(display))
+ return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
+
+ mutex_lock(&psp->dtm_context.mutex);
+
+ memset(dtm_cmd, 0, sizeof(struct ta_dtm_shared_memory));
+
+ dtm_cmd->cmd_id = TA_DTM_COMMAND__TOPOLOGY_UPDATE_V2;
+ dtm_cmd->dtm_in_message.topology_update_v2.display_handle = display->index;
+ dtm_cmd->dtm_in_message.topology_update_v2.is_active = 0;
+ dtm_cmd->dtm_status = TA_DTM_STATUS__GENERIC_FAILURE;
+
+ psp_dtm_invoke(psp, dtm_cmd->cmd_id);
+
+ if (dtm_cmd->dtm_status != TA_DTM_STATUS__SUCCESS) {
+ status = MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE;
+ } else {
+ display->state = MOD_HDCP_DISPLAY_ACTIVE;
+ HDCP_TOP_REMOVE_DISPLAY_TRACE(hdcp, display->index);
+ }
+
+ mutex_unlock(&psp->dtm_context.mutex);
+ return status;
+}
+
+static enum mod_hdcp_status remove_display_from_topology_v3(
+ struct mod_hdcp *hdcp, uint8_t index)
+{
+ struct psp_context *psp = hdcp->config.psp.handle;
+ struct ta_dtm_shared_memory *dtm_cmd;
+ struct mod_hdcp_display *display =
+ get_active_display_at_index(hdcp, index);
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ dtm_cmd = (struct ta_dtm_shared_memory *)psp->dtm_context.context.mem_context.shared_buf;
+
+ if (!display || !is_display_active(display))
+ return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
+
+ mutex_lock(&psp->dtm_context.mutex);
+
+ memset(dtm_cmd, 0, sizeof(struct ta_dtm_shared_memory));
+
+ dtm_cmd->cmd_id = TA_DTM_COMMAND__TOPOLOGY_UPDATE_V3;
+ dtm_cmd->dtm_in_message.topology_update_v3.display_handle = display->index;
+ dtm_cmd->dtm_in_message.topology_update_v3.is_active = 0;
+ dtm_cmd->dtm_status = TA_DTM_STATUS__GENERIC_FAILURE;
+
+ psp_dtm_invoke(psp, dtm_cmd->cmd_id);
+ mutex_unlock(&psp->dtm_context.mutex);
+
+ if (dtm_cmd->dtm_status != TA_DTM_STATUS__SUCCESS) {
+ status = remove_display_from_topology_v2(hdcp, index);
+ if (status != MOD_HDCP_STATUS_SUCCESS)
+ display->state = MOD_HDCP_DISPLAY_INACTIVE;
+ } else {
+ display->state = MOD_HDCP_DISPLAY_ACTIVE;
+ HDCP_TOP_REMOVE_DISPLAY_TRACE(hdcp, display->index);
+ }
+
+ return status;
+}
+
+static enum mod_hdcp_status add_display_to_topology_v2(
+ struct mod_hdcp *hdcp, struct mod_hdcp_display *display)
+{
+ struct psp_context *psp = hdcp->config.psp.handle;
+ struct ta_dtm_shared_memory *dtm_cmd;
+ struct mod_hdcp_link *link = &hdcp->connection.link;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (!psp->dtm_context.context.initialized) {
+ DRM_INFO("Failed to add display topology, DTM TA is not initialized.");
+ display->state = MOD_HDCP_DISPLAY_INACTIVE;
+ return MOD_HDCP_STATUS_FAILURE;
+ }
+
+ dtm_cmd = (struct ta_dtm_shared_memory *)psp->dtm_context.context.mem_context.shared_buf;
+
+ mutex_lock(&psp->dtm_context.mutex);
+ memset(dtm_cmd, 0, sizeof(struct ta_dtm_shared_memory));
+
+ dtm_cmd->cmd_id = TA_DTM_COMMAND__TOPOLOGY_UPDATE_V2;
+ dtm_cmd->dtm_in_message.topology_update_v2.display_handle = display->index;
+ dtm_cmd->dtm_in_message.topology_update_v2.is_active = 1;
+ dtm_cmd->dtm_in_message.topology_update_v2.controller = display->controller;
+ dtm_cmd->dtm_in_message.topology_update_v2.ddc_line = link->ddc_line;
+ dtm_cmd->dtm_in_message.topology_update_v2.dig_be = link->dig_be;
+ dtm_cmd->dtm_in_message.topology_update_v2.dig_fe = display->dig_fe;
+ if (is_dp_hdcp(hdcp))
+ dtm_cmd->dtm_in_message.topology_update_v2.is_assr = link->dp.assr_enabled;
+
+ dtm_cmd->dtm_in_message.topology_update_v2.dp_mst_vcid = display->vc_id;
+ dtm_cmd->dtm_in_message.topology_update_v2.max_hdcp_supported_version =
+ TA_DTM_HDCP_VERSION_MAX_SUPPORTED__2_2;
+ dtm_cmd->dtm_status = TA_DTM_STATUS__GENERIC_FAILURE;
+
+ psp_dtm_invoke(psp, dtm_cmd->cmd_id);
+
+ if (dtm_cmd->dtm_status != TA_DTM_STATUS__SUCCESS) {
+ display->state = MOD_HDCP_DISPLAY_INACTIVE;
+ status = MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE;
+ } else {
+ HDCP_TOP_ADD_DISPLAY_TRACE(hdcp, display->index);
+ }
+
+ mutex_unlock(&psp->dtm_context.mutex);
+ return status;
+}
+
+static enum mod_hdcp_status add_display_to_topology_v3(
+ struct mod_hdcp *hdcp, struct mod_hdcp_display *display)
+{
+ struct psp_context *psp = hdcp->config.psp.handle;
+ struct ta_dtm_shared_memory *dtm_cmd;
+ struct mod_hdcp_link *link = &hdcp->connection.link;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (!psp->dtm_context.context.initialized) {
+ DRM_INFO("Failed to add display topology, DTM TA is not initialized.");
+ display->state = MOD_HDCP_DISPLAY_INACTIVE;
+ return MOD_HDCP_STATUS_FAILURE;
+ }
+
+ dtm_cmd = (struct ta_dtm_shared_memory *)psp->dtm_context.context.mem_context.shared_buf;
+
+ mutex_lock(&psp->dtm_context.mutex);
+ memset(dtm_cmd, 0, sizeof(struct ta_dtm_shared_memory));
+
+ dtm_cmd->cmd_id = TA_DTM_COMMAND__TOPOLOGY_UPDATE_V3;
+ dtm_cmd->dtm_in_message.topology_update_v3.display_handle = display->index;
+ dtm_cmd->dtm_in_message.topology_update_v3.is_active = 1;
+ dtm_cmd->dtm_in_message.topology_update_v3.controller = display->controller;
+ dtm_cmd->dtm_in_message.topology_update_v3.ddc_line = link->ddc_line;
+ dtm_cmd->dtm_in_message.topology_update_v3.link_enc = link->link_enc_idx;
+ dtm_cmd->dtm_in_message.topology_update_v3.stream_enc = display->stream_enc_idx;
+ if (is_dp_hdcp(hdcp))
+ dtm_cmd->dtm_in_message.topology_update_v3.is_assr = link->dp.assr_enabled;
+
+ dtm_cmd->dtm_in_message.topology_update_v3.dp_mst_vcid = display->vc_id;
+ dtm_cmd->dtm_in_message.topology_update_v3.max_hdcp_supported_version =
+ TA_DTM_HDCP_VERSION_MAX_SUPPORTED__2_3;
+ dtm_cmd->dtm_in_message.topology_update_v3.encoder_type = TA_DTM_ENCODER_TYPE__DIG;
+ dtm_cmd->dtm_status = TA_DTM_STATUS__GENERIC_FAILURE;
+ dtm_cmd->dtm_in_message.topology_update_v3.phy_id = link->phy_idx;
+ dtm_cmd->dtm_in_message.topology_update_v3.link_hdcp_cap = link->hdcp_supported_informational;
+ dtm_cmd->dtm_in_message.topology_update_v3.dio_output_type = link->dp.usb4_enabled ?
+ TA_DTM_DIO_OUTPUT_TYPE__DPIA :
+ TA_DTM_DIO_OUTPUT_TYPE__DIRECT;
+ dtm_cmd->dtm_in_message.topology_update_v3.dio_output_id = link->dio_output_id;
+
+ psp_dtm_invoke(psp, dtm_cmd->cmd_id);
+ mutex_unlock(&psp->dtm_context.mutex);
+
+ if (dtm_cmd->dtm_status != TA_DTM_STATUS__SUCCESS) {
+ status = add_display_to_topology_v2(hdcp, display);
+ if (status != MOD_HDCP_STATUS_SUCCESS)
+ display->state = MOD_HDCP_DISPLAY_INACTIVE;
+ } else {
+ HDCP_TOP_ADD_DISPLAY_TRACE(hdcp, display->index);
+ }
+
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_remove_display_from_topology(
+ struct mod_hdcp *hdcp, uint8_t index)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE;
+
+ if (hdcp->config.psp.caps.dtm_v3_supported)
+ status = remove_display_from_topology_v3(hdcp, index);
+ else
+ status = remove_display_from_topology_v2(hdcp, index);
+
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_add_display_to_topology(struct mod_hdcp *hdcp,
+ struct mod_hdcp_display *display)
+{
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (hdcp->config.psp.caps.dtm_v3_supported)
+ status = add_display_to_topology_v3(hdcp, display);
+ else
+ status = add_display_to_topology_v2(hdcp, display);
+
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp1_create_session(struct mod_hdcp *hdcp)
+{
+
+ struct psp_context *psp = hdcp->config.psp.handle;
+ struct mod_hdcp_display *display = get_first_active_display(hdcp);
+ struct ta_hdcp_shared_memory *hdcp_cmd;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (!psp->hdcp_context.context.initialized) {
+ DRM_ERROR("Failed to create hdcp session. HDCP TA is not initialized.");
+ return MOD_HDCP_STATUS_FAILURE;
+ }
+
+ hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
+
+ mutex_lock(&psp->hdcp_context.mutex);
+ memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+
+ hdcp_cmd->in_msg.hdcp1_create_session.display_handle = display->index;
+ hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_CREATE_SESSION;
+
+ psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
+
+ hdcp->auth.id = hdcp_cmd->out_msg.hdcp1_create_session.session_handle;
+
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
+ status = MOD_HDCP_STATUS_HDCP1_CREATE_SESSION_FAILURE;
+ } else {
+ hdcp->auth.msg.hdcp1.ainfo = hdcp_cmd->out_msg.hdcp1_create_session.ainfo_primary;
+ memcpy(hdcp->auth.msg.hdcp1.aksv, hdcp_cmd->out_msg.hdcp1_create_session.aksv_primary,
+ sizeof(hdcp->auth.msg.hdcp1.aksv));
+ memcpy(hdcp->auth.msg.hdcp1.an, hdcp_cmd->out_msg.hdcp1_create_session.an_primary,
+ sizeof(hdcp->auth.msg.hdcp1.an));
+ }
+
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp1_destroy_session(struct mod_hdcp *hdcp)
+{
+
+ struct psp_context *psp = hdcp->config.psp.handle;
+ struct ta_hdcp_shared_memory *hdcp_cmd;
+ uint8_t i = 0;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ mutex_lock(&psp->hdcp_context.mutex);
+ hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
+ memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+
+ hdcp_cmd->in_msg.hdcp1_destroy_session.session_handle = hdcp->auth.id;
+ hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_DESTROY_SESSION;
+
+ psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
+
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
+ status = MOD_HDCP_STATUS_HDCP1_DESTROY_SESSION_FAILURE;
+ } else {
+ HDCP_TOP_HDCP1_DESTROY_SESSION_TRACE(hdcp);
+ for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++)
+ if (is_display_encryption_enabled(&hdcp->displays[i])) {
+ hdcp->displays[i].state =
+ MOD_HDCP_DISPLAY_ACTIVE;
+ HDCP_HDCP1_DISABLED_TRACE(
+ hdcp, hdcp->displays[i].index);
+ }
+ }
+
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp1_validate_rx(struct mod_hdcp *hdcp)
+{
+ struct psp_context *psp = hdcp->config.psp.handle;
+ struct ta_hdcp_shared_memory *hdcp_cmd;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ mutex_lock(&psp->hdcp_context.mutex);
+ hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
+ memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+
+ hdcp_cmd->in_msg.hdcp1_first_part_authentication.session_handle = hdcp->auth.id;
+
+ memcpy(hdcp_cmd->in_msg.hdcp1_first_part_authentication.bksv_primary, hdcp->auth.msg.hdcp1.bksv,
+ TA_HDCP__HDCP1_KSV_SIZE);
+
+ hdcp_cmd->in_msg.hdcp1_first_part_authentication.r0_prime_primary = hdcp->auth.msg.hdcp1.r0p;
+ hdcp_cmd->in_msg.hdcp1_first_part_authentication.bcaps = hdcp->auth.msg.hdcp1.bcaps;
+ hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_FIRST_PART_AUTHENTICATION;
+
+ psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
+
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
+ status = MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE;
+ } else if (hdcp_cmd->out_msg.hdcp1_first_part_authentication.authentication_status ==
+ TA_HDCP_AUTHENTICATION_STATUS__HDCP1_FIRST_PART_COMPLETE) {
+ /* needs second part of authentication */
+ hdcp->connection.is_repeater = 1;
+ } else if (hdcp_cmd->out_msg.hdcp1_first_part_authentication.authentication_status ==
+ TA_HDCP_AUTHENTICATION_STATUS__HDCP1_AUTHENTICATED) {
+ hdcp->connection.is_repeater = 0;
+ } else if (hdcp_cmd->out_msg.hdcp1_first_part_authentication.authentication_status ==
+ TA_HDCP_AUTHENTICATION_STATUS__HDCP1_KSV_REVOKED) {
+ hdcp->connection.is_hdcp1_revoked = 1;
+ status = MOD_HDCP_STATUS_HDCP1_BKSV_REVOKED;
+ } else
+ status = MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE;
+
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp1_enable_encryption(struct mod_hdcp *hdcp)
+{
+ struct psp_context *psp = hdcp->config.psp.handle;
+ struct ta_hdcp_shared_memory *hdcp_cmd;
+ struct mod_hdcp_display *display = get_first_active_display(hdcp);
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ mutex_lock(&psp->hdcp_context.mutex);
+ hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
+ memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+
+ hdcp_cmd->in_msg.hdcp1_enable_encryption.session_handle = hdcp->auth.id;
+ hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_ENABLE_ENCRYPTION;
+
+ psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
+
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
+ status = MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION_FAILURE;
+ } else if (!is_dp_mst_hdcp(hdcp)) {
+ display->state = MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED;
+ HDCP_HDCP1_ENABLED_TRACE(hdcp, display->index);
+ }
+
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp1_validate_ksvlist_vp(struct mod_hdcp *hdcp)
+{
+ struct psp_context *psp = hdcp->config.psp.handle;
+ struct ta_hdcp_shared_memory *hdcp_cmd;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ mutex_lock(&psp->hdcp_context.mutex);
+ hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
+ memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+
+ hdcp_cmd->in_msg.hdcp1_second_part_authentication.session_handle = hdcp->auth.id;
+
+ hdcp_cmd->in_msg.hdcp1_second_part_authentication.ksv_list_size = hdcp->auth.msg.hdcp1.ksvlist_size;
+ memcpy(hdcp_cmd->in_msg.hdcp1_second_part_authentication.ksv_list, hdcp->auth.msg.hdcp1.ksvlist,
+ hdcp->auth.msg.hdcp1.ksvlist_size);
+
+ memcpy(hdcp_cmd->in_msg.hdcp1_second_part_authentication.v_prime, hdcp->auth.msg.hdcp1.vp,
+ sizeof(hdcp->auth.msg.hdcp1.vp));
+
+ hdcp_cmd->in_msg.hdcp1_second_part_authentication.bstatus_binfo =
+ is_dp_hdcp(hdcp) ? hdcp->auth.msg.hdcp1.binfo_dp : hdcp->auth.msg.hdcp1.bstatus;
+ hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_SECOND_PART_AUTHENTICATION;
+
+ psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
+
+ if (hdcp_cmd->hdcp_status == TA_HDCP_STATUS__SUCCESS &&
+ hdcp_cmd->out_msg.hdcp1_second_part_authentication.authentication_status ==
+ TA_HDCP_AUTHENTICATION_STATUS__HDCP1_AUTHENTICATED) {
+ status = MOD_HDCP_STATUS_SUCCESS;
+ } else if (hdcp_cmd->out_msg.hdcp1_second_part_authentication.authentication_status ==
+ TA_HDCP_AUTHENTICATION_STATUS__HDCP1_KSV_REVOKED) {
+ hdcp->connection.is_hdcp1_revoked = 1;
+ status = MOD_HDCP_STATUS_HDCP1_KSV_LIST_REVOKED;
+ } else {
+ status = MOD_HDCP_STATUS_HDCP1_VALIDATE_KSV_LIST_FAILURE;
+ }
+
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp1_enable_dp_stream_encryption(struct mod_hdcp *hdcp)
+{
+
+ struct psp_context *psp = hdcp->config.psp.handle;
+ struct ta_hdcp_shared_memory *hdcp_cmd;
+ int i = 0;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ mutex_lock(&psp->hdcp_context.mutex);
+ hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
+
+ for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) {
+
+ if (hdcp->displays[i].adjust.disable || hdcp->displays[i].state != MOD_HDCP_DISPLAY_ACTIVE)
+ continue;
+
+ memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+
+ hdcp_cmd->in_msg.hdcp1_enable_dp_stream_encryption.session_handle = hdcp->auth.id;
+ hdcp_cmd->in_msg.hdcp1_enable_dp_stream_encryption.display_handle = hdcp->displays[i].index;
+ hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_ENABLE_DP_STREAM_ENCRYPTION;
+
+ psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
+
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
+ status = MOD_HDCP_STATUS_HDCP1_ENABLE_STREAM_ENCRYPTION_FAILURE;
+ break;
+ }
+
+ hdcp->displays[i].state = MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED;
+ HDCP_HDCP1_ENABLED_TRACE(hdcp, hdcp->displays[i].index);
+ }
+
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp1_link_maintenance(struct mod_hdcp *hdcp)
+{
+ struct psp_context *psp = hdcp->config.psp.handle;
+ struct ta_hdcp_shared_memory *hdcp_cmd;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ mutex_lock(&psp->hdcp_context.mutex);
+ hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
+
+ memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+
+ hdcp_cmd->in_msg.hdcp1_get_encryption_status.session_handle = hdcp->auth.id;
+
+ hdcp_cmd->out_msg.hdcp1_get_encryption_status.protection_level = 0;
+ hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_GET_ENCRYPTION_STATUS;
+
+ psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
+
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS ||
+ hdcp_cmd->out_msg.hdcp1_get_encryption_status.protection_level != 1)
+ status = MOD_HDCP_STATUS_HDCP1_LINK_MAINTENANCE_FAILURE;
+
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp2_create_session(struct mod_hdcp *hdcp)
+{
+ struct psp_context *psp = hdcp->config.psp.handle;
+ struct ta_hdcp_shared_memory *hdcp_cmd;
+ struct mod_hdcp_display *display = get_first_active_display(hdcp);
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+
+ if (!psp->hdcp_context.context.initialized) {
+ DRM_ERROR("Failed to create hdcp session, HDCP TA is not initialized");
+ return MOD_HDCP_STATUS_FAILURE;
+ }
+
+ if (!display)
+ return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
+
+ mutex_lock(&psp->hdcp_context.mutex);
+
+ hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
+ memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+
+ hdcp_cmd->in_msg.hdcp2_create_session_v2.display_handle = display->index;
+
+ if (hdcp->connection.link.adjust.hdcp2.force_type == MOD_HDCP_FORCE_TYPE_0)
+ hdcp_cmd->in_msg.hdcp2_create_session_v2.negotiate_content_type =
+ TA_HDCP2_CONTENT_TYPE_NEGOTIATION_TYPE__FORCE_TYPE0;
+ else if (hdcp->connection.link.adjust.hdcp2.force_type == MOD_HDCP_FORCE_TYPE_1)
+ hdcp_cmd->in_msg.hdcp2_create_session_v2.negotiate_content_type =
+ TA_HDCP2_CONTENT_TYPE_NEGOTIATION_TYPE__FORCE_TYPE1;
+ else if (hdcp->connection.link.adjust.hdcp2.force_type == MOD_HDCP_FORCE_TYPE_MAX)
+ hdcp_cmd->in_msg.hdcp2_create_session_v2.negotiate_content_type =
+ TA_HDCP2_CONTENT_TYPE_NEGOTIATION_TYPE__MAX_SUPPORTED;
+
+ hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_CREATE_SESSION_V2;
+
+ psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
+
+
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
+ status = MOD_HDCP_STATUS_HDCP2_CREATE_SESSION_FAILURE;
+ else
+ hdcp->auth.id = hdcp_cmd->out_msg.hdcp2_create_session_v2.session_handle;
+
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp2_destroy_session(struct mod_hdcp *hdcp)
+{
+ struct psp_context *psp = hdcp->config.psp.handle;
+ struct ta_hdcp_shared_memory *hdcp_cmd;
+ uint8_t i = 0;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ mutex_lock(&psp->hdcp_context.mutex);
+ hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
+ memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+
+ hdcp_cmd->in_msg.hdcp2_destroy_session.session_handle = hdcp->auth.id;
+ hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_DESTROY_SESSION;
+
+ psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
+
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
+ status = MOD_HDCP_STATUS_HDCP2_DESTROY_SESSION_FAILURE;
+ } else {
+ HDCP_TOP_HDCP2_DESTROY_SESSION_TRACE(hdcp);
+ for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++)
+ if (is_display_encryption_enabled(&hdcp->displays[i])) {
+ hdcp->displays[i].state =
+ MOD_HDCP_DISPLAY_ACTIVE;
+ HDCP_HDCP2_DISABLED_TRACE(
+ hdcp, hdcp->displays[i].index);
+ }
+ }
+
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp2_prepare_ake_init(struct mod_hdcp *hdcp)
+{
+ struct psp_context *psp = hdcp->config.psp.handle;
+ struct ta_hdcp_shared_memory *hdcp_cmd;
+ struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
+ struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ mutex_lock(&psp->hdcp_context.mutex);
+ hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
+ memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+
+ msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2;
+ msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2;
+
+ hdcp2_message_init(hdcp, msg_in);
+
+ hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2;
+ msg_in->prepare.msg1_id = TA_HDCP_HDCP2_MSG_ID__AKE_INIT;
+
+ psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
+
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
+ status = MOD_HDCP_STATUS_HDCP2_PREP_AKE_INIT_FAILURE;
+ else
+ memcpy(&hdcp->auth.msg.hdcp2.ake_init[0], &msg_out->prepare.transmitter_message[0],
+ sizeof(hdcp->auth.msg.hdcp2.ake_init));
+
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp2_validate_ake_cert(struct mod_hdcp *hdcp)
+{
+ struct psp_context *psp = hdcp->config.psp.handle;
+ struct ta_hdcp_shared_memory *hdcp_cmd;
+ struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
+ struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ mutex_lock(&psp->hdcp_context.mutex);
+ hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
+ memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+
+ msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2;
+ msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2;
+
+ hdcp2_message_init(hdcp, msg_in);
+
+ msg_in->process.msg1_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__AKE_SEND_CERT;
+ msg_in->process.msg1_desc.msg_size = TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_SEND_CERT;
+
+ memcpy(&msg_in->process.receiver_message[0], hdcp->auth.msg.hdcp2.ake_cert,
+ sizeof(hdcp->auth.msg.hdcp2.ake_cert));
+
+ msg_in->prepare.msg1_id = TA_HDCP_HDCP2_MSG_ID__AKE_NO_STORED_KM;
+ msg_in->prepare.msg2_id = TA_HDCP_HDCP2_MSG_ID__AKE_STORED_KM;
+
+ hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2;
+
+ psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
+
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
+ status = MOD_HDCP_STATUS_HDCP2_VALIDATE_AKE_CERT_FAILURE;
+ } else {
+ memcpy(hdcp->auth.msg.hdcp2.ake_no_stored_km,
+ &msg_out->prepare.transmitter_message[0],
+ sizeof(hdcp->auth.msg.hdcp2.ake_no_stored_km));
+
+ memcpy(hdcp->auth.msg.hdcp2.ake_stored_km,
+ &msg_out->prepare.transmitter_message[sizeof(hdcp->auth.msg.hdcp2.ake_no_stored_km)],
+ sizeof(hdcp->auth.msg.hdcp2.ake_stored_km));
+
+ if (msg_out->process.msg1_status ==
+ TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS) {
+ hdcp->connection.is_km_stored =
+ msg_out->process.is_km_stored ? 1 : 0;
+ hdcp->connection.is_repeater =
+ msg_out->process.is_repeater ? 1 : 0;
+ status = MOD_HDCP_STATUS_SUCCESS;
+ } else if (msg_out->process.msg1_status ==
+ TA_HDCP2_MSG_AUTHENTICATION_STATUS__RECEIVERID_REVOKED) {
+ hdcp->connection.is_hdcp2_revoked = 1;
+ status = MOD_HDCP_STATUS_HDCP2_AKE_CERT_REVOKED;
+ } else {
+ status = MOD_HDCP_STATUS_HDCP2_VALIDATE_AKE_CERT_FAILURE;
+ }
+ }
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp2_validate_h_prime(struct mod_hdcp *hdcp)
+{
+ struct psp_context *psp = hdcp->config.psp.handle;
+ struct ta_hdcp_shared_memory *hdcp_cmd;
+ struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
+ struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ mutex_lock(&psp->hdcp_context.mutex);
+ hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
+ memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+
+ msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2;
+ msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2;
+
+ hdcp2_message_init(hdcp, msg_in);
+
+ msg_in->process.msg1_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__AKE_SEND_H_PRIME;
+ msg_in->process.msg1_desc.msg_size = TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_SEND_H_PRIME;
+
+ memcpy(&msg_in->process.receiver_message[0], hdcp->auth.msg.hdcp2.ake_h_prime,
+ sizeof(hdcp->auth.msg.hdcp2.ake_h_prime));
+
+ if (!hdcp->connection.is_km_stored) {
+ msg_in->process.msg2_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__AKE_SEND_PAIRING_INFO;
+ msg_in->process.msg2_desc.msg_size = TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_SEND_PAIRING_INFO;
+ memcpy(&msg_in->process.receiver_message[sizeof(hdcp->auth.msg.hdcp2.ake_h_prime)],
+ hdcp->auth.msg.hdcp2.ake_pairing_info, sizeof(hdcp->auth.msg.hdcp2.ake_pairing_info));
+ }
+
+ hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2;
+
+ psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
+
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
+ status = MOD_HDCP_STATUS_HDCP2_VALIDATE_H_PRIME_FAILURE;
+ else if (msg_out->process.msg1_status != TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
+ status = MOD_HDCP_STATUS_HDCP2_VALIDATE_H_PRIME_FAILURE;
+ else if (!hdcp->connection.is_km_stored &&
+ msg_out->process.msg2_status != TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
+ status = MOD_HDCP_STATUS_HDCP2_VALIDATE_PAIRING_INFO_FAILURE;
+
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp2_prepare_lc_init(struct mod_hdcp *hdcp)
+{
+ struct psp_context *psp = hdcp->config.psp.handle;
+ struct ta_hdcp_shared_memory *hdcp_cmd;
+ struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
+ struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ mutex_lock(&psp->hdcp_context.mutex);
+ hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
+ memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+
+ msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2;
+ msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2;
+
+ hdcp2_message_init(hdcp, msg_in);
+
+ msg_in->prepare.msg1_id = TA_HDCP_HDCP2_MSG_ID__LC_INIT;
+
+ hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2;
+
+ psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
+
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
+ status = MOD_HDCP_STATUS_HDCP2_PREP_LC_INIT_FAILURE;
+ else
+ memcpy(hdcp->auth.msg.hdcp2.lc_init, &msg_out->prepare.transmitter_message[0],
+ sizeof(hdcp->auth.msg.hdcp2.lc_init));
+
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp2_validate_l_prime(struct mod_hdcp *hdcp)
+{
+ struct psp_context *psp = hdcp->config.psp.handle;
+ struct ta_hdcp_shared_memory *hdcp_cmd;
+ struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
+ struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ mutex_lock(&psp->hdcp_context.mutex);
+ hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
+ memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+
+ msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2;
+ msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2;
+
+ hdcp2_message_init(hdcp, msg_in);
+
+ msg_in->process.msg1_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__LC_SEND_L_PRIME;
+ msg_in->process.msg1_desc.msg_size = TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__LC_SEND_L_PRIME;
+
+ memcpy(&msg_in->process.receiver_message[0], hdcp->auth.msg.hdcp2.lc_l_prime,
+ sizeof(hdcp->auth.msg.hdcp2.lc_l_prime));
+
+ hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2;
+
+ psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
+
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS ||
+ msg_out->process.msg1_status != TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
+ status = MOD_HDCP_STATUS_HDCP2_VALIDATE_L_PRIME_FAILURE;
+
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp2_prepare_eks(struct mod_hdcp *hdcp)
+{
+ struct psp_context *psp = hdcp->config.psp.handle;
+ struct ta_hdcp_shared_memory *hdcp_cmd;
+ struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
+ struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ mutex_lock(&psp->hdcp_context.mutex);
+ hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
+ memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+
+ msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2;
+ msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2;
+
+ hdcp2_message_init(hdcp, msg_in);
+
+ msg_in->prepare.msg1_id = TA_HDCP_HDCP2_MSG_ID__SKE_SEND_EKS;
+
+ if (is_dp_hdcp(hdcp))
+ msg_in->prepare.msg2_id = TA_HDCP_HDCP2_MSG_ID__SIGNAL_CONTENT_STREAM_TYPE_DP;
+
+ hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2;
+ psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
+
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
+ status = MOD_HDCP_STATUS_HDCP2_PREP_EKS_FAILURE;
+ } else {
+ memcpy(hdcp->auth.msg.hdcp2.ske_eks,
+ &msg_out->prepare.transmitter_message[0],
+ sizeof(hdcp->auth.msg.hdcp2.ske_eks));
+ msg_out->prepare.msg1_desc.msg_size =
+ sizeof(hdcp->auth.msg.hdcp2.ske_eks);
+
+ if (is_dp_hdcp(hdcp)) {
+ memcpy(hdcp->auth.msg.hdcp2.content_stream_type_dp,
+ &msg_out->prepare.transmitter_message[sizeof(hdcp->auth.msg.hdcp2.ske_eks)],
+ sizeof(hdcp->auth.msg.hdcp2.content_stream_type_dp));
+ }
+ }
+ mutex_unlock(&psp->hdcp_context.mutex);
+
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp2_enable_encryption(struct mod_hdcp *hdcp)
+{
+ struct psp_context *psp = hdcp->config.psp.handle;
+ struct ta_hdcp_shared_memory *hdcp_cmd;
+ struct mod_hdcp_display *display = get_first_active_display(hdcp);
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ if (!display)
+ return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
+
+ mutex_lock(&psp->hdcp_context.mutex);
+
+ hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
+ memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+
+ hdcp_cmd->in_msg.hdcp2_set_encryption.session_handle = hdcp->auth.id;
+
+ hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_SET_ENCRYPTION;
+ psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
+
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
+ status = MOD_HDCP_STATUS_HDCP2_ENABLE_ENCRYPTION_FAILURE;
+ } else if (!is_dp_mst_hdcp(hdcp)) {
+ display->state = MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED;
+ HDCP_HDCP2_ENABLED_TRACE(hdcp, display->index);
+ }
+
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp2_validate_rx_id_list(struct mod_hdcp *hdcp)
+{
+ struct psp_context *psp = hdcp->config.psp.handle;
+ struct ta_hdcp_shared_memory *hdcp_cmd;
+ struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
+ struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ mutex_lock(&psp->hdcp_context.mutex);
+
+ hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
+ memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+
+ msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2;
+ msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2;
+
+ hdcp2_message_init(hdcp, msg_in);
+
+ msg_in->process.msg1_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__REPEATERAUTH_SEND_RECEIVERID_LIST;
+ msg_in->process.msg1_desc.msg_size = sizeof(hdcp->auth.msg.hdcp2.rx_id_list);
+ memcpy(&msg_in->process.receiver_message[0], hdcp->auth.msg.hdcp2.rx_id_list,
+ sizeof(hdcp->auth.msg.hdcp2.rx_id_list));
+
+ msg_in->prepare.msg1_id = TA_HDCP_HDCP2_MSG_ID__REPEATERAUTH_SEND_ACK;
+
+ hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2;
+
+ psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
+
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
+ status = MOD_HDCP_STATUS_HDCP2_VALIDATE_RX_ID_LIST_FAILURE;
+ } else {
+ memcpy(hdcp->auth.msg.hdcp2.repeater_auth_ack,
+ &msg_out->prepare.transmitter_message[0],
+ sizeof(hdcp->auth.msg.hdcp2.repeater_auth_ack));
+
+ if (msg_out->process.msg1_status ==
+ TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS) {
+ hdcp->connection.is_km_stored = msg_out->process.is_km_stored ? 1 : 0;
+ hdcp->connection.is_repeater = msg_out->process.is_repeater ? 1 : 0;
+ status = MOD_HDCP_STATUS_SUCCESS;
+ } else if (msg_out->process.msg1_status ==
+ TA_HDCP2_MSG_AUTHENTICATION_STATUS__RECEIVERID_REVOKED) {
+ hdcp->connection.is_hdcp2_revoked = 1;
+ status = MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_REVOKED;
+ } else {
+ status = MOD_HDCP_STATUS_HDCP2_VALIDATE_RX_ID_LIST_FAILURE;
+ }
+ }
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp2_enable_dp_stream_encryption(struct mod_hdcp *hdcp)
+{
+ struct psp_context *psp = hdcp->config.psp.handle;
+ struct ta_hdcp_shared_memory *hdcp_cmd;
+ struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
+ uint8_t i;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ mutex_lock(&psp->hdcp_context.mutex);
+ hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
+ memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+
+ msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2;
+
+ hdcp2_message_init(hdcp, msg_in);
+
+
+ for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) {
+ if (hdcp->displays[i].adjust.disable || hdcp->displays[i].state != MOD_HDCP_DISPLAY_ACTIVE)
+ continue;
+
+ hdcp_cmd->in_msg.hdcp2_enable_dp_stream_encryption.display_handle = hdcp->displays[i].index;
+ hdcp_cmd->in_msg.hdcp2_enable_dp_stream_encryption.session_handle = hdcp->auth.id;
+
+ hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_ENABLE_DP_STREAM_ENCRYPTION;
+ psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
+
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
+ break;
+
+ hdcp->displays[i].state = MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED;
+ HDCP_HDCP2_ENABLED_TRACE(hdcp, hdcp->displays[i].index);
+ }
+
+ if (hdcp_cmd->hdcp_status == TA_HDCP_STATUS__SUCCESS)
+ status = MOD_HDCP_STATUS_SUCCESS;
+ else
+ status = MOD_HDCP_STATUS_HDCP2_ENABLE_STREAM_ENCRYPTION_FAILURE;
+
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp2_prepare_stream_management(struct mod_hdcp *hdcp)
+{
+
+ struct psp_context *psp = hdcp->config.psp.handle;
+ struct ta_hdcp_shared_memory *hdcp_cmd;
+ struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
+ struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ mutex_lock(&psp->hdcp_context.mutex);
+ hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
+ memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+
+ msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2;
+ msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2;
+
+ hdcp2_message_init(hdcp, msg_in);
+
+ msg_in->prepare.msg1_id = TA_HDCP_HDCP2_MSG_ID__REPEATERAUTH_STREAM_MANAGE;
+
+
+ hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2;
+ psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
+
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
+ status = MOD_HDCP_STATUS_HDCP2_PREPARE_STREAM_MANAGEMENT_FAILURE;
+ } else {
+ hdcp->auth.msg.hdcp2.stream_manage_size = msg_out->prepare.msg1_desc.msg_size;
+
+ memcpy(hdcp->auth.msg.hdcp2.repeater_auth_stream_manage,
+ &msg_out->prepare.transmitter_message[0],
+ sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_manage));
+ }
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
+}
+
+enum mod_hdcp_status mod_hdcp_hdcp2_validate_stream_ready(struct mod_hdcp *hdcp)
+{
+ struct psp_context *psp = hdcp->config.psp.handle;
+ struct ta_hdcp_shared_memory *hdcp_cmd;
+ struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
+ struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ mutex_lock(&psp->hdcp_context.mutex);
+ hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
+ memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+
+ msg_in = &hdcp_cmd->in_msg.hdcp2_prepare_process_authentication_message_v2;
+ msg_out = &hdcp_cmd->out_msg.hdcp2_prepare_process_authentication_message_v2;
+
+ hdcp2_message_init(hdcp, msg_in);
+
+ msg_in->process.msg1_desc.msg_id = TA_HDCP_HDCP2_MSG_ID__REPEATERAUTH_STREAM_READY;
+
+ msg_in->process.msg1_desc.msg_size = sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_ready);
+
+ memcpy(&msg_in->process.receiver_message[0], hdcp->auth.msg.hdcp2.repeater_auth_stream_ready,
+ sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_ready));
+
+ hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2;
+ psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
+
+ if (hdcp_cmd->hdcp_status == TA_HDCP_STATUS__SUCCESS &&
+ msg_out->process.msg1_status == TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
+ status = MOD_HDCP_STATUS_SUCCESS;
+ else
+ status = MOD_HDCP_STATUS_HDCP2_VALIDATE_STREAM_READY_FAILURE;
+
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
+}
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.h b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.h
new file mode 100644
index 000000000..5b71bc96b
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.h
@@ -0,0 +1,532 @@
+/*
+ * Copyright 2019 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef MODULES_HDCP_HDCP_PSP_H_
+#define MODULES_HDCP_HDCP_PSP_H_
+
+/*
+ * NOTE: These parameters are a one-to-one copy of the
+ * parameters required by PSP
+ */
+enum bgd_security_hdcp_encryption_level {
+ HDCP_ENCRYPTION_LEVEL__INVALID = 0,
+ HDCP_ENCRYPTION_LEVEL__OFF,
+ HDCP_ENCRYPTION_LEVEL__ON
+};
+
+enum bgd_security_hdcp2_content_type {
+ HDCP2_CONTENT_TYPE__INVALID = 0,
+ HDCP2_CONTENT_TYPE__TYPE0,
+ HDCP2_CONTENT_TYPE__TYPE1
+};
+enum ta_dtm_command {
+ TA_DTM_COMMAND__UNUSED_1 = 1,
+ TA_DTM_COMMAND__TOPOLOGY_UPDATE_V2,
+ TA_DTM_COMMAND__TOPOLOGY_ASSR_ENABLE,
+ TA_DTM_COMMAND__TOPOLOGY_UPDATE_V3
+};
+
+/* DTM related enumerations */
+/**********************************************************/
+
+enum ta_dtm_status {
+ TA_DTM_STATUS__SUCCESS = 0x00,
+ TA_DTM_STATUS__GENERIC_FAILURE = 0x01,
+ TA_DTM_STATUS__INVALID_PARAMETER = 0x02,
+ TA_DTM_STATUS__NULL_POINTER = 0x3
+};
+
+/* input/output structures for DTM commands */
+/**********************************************************/
+/**
+ * Input structures
+ */
+enum ta_dtm_hdcp_version_max_supported {
+ TA_DTM_HDCP_VERSION_MAX_SUPPORTED__NONE = 0,
+ TA_DTM_HDCP_VERSION_MAX_SUPPORTED__1_x = 10,
+ TA_DTM_HDCP_VERSION_MAX_SUPPORTED__2_0 = 20,
+ TA_DTM_HDCP_VERSION_MAX_SUPPORTED__2_1 = 21,
+ TA_DTM_HDCP_VERSION_MAX_SUPPORTED__2_2 = 22,
+ TA_DTM_HDCP_VERSION_MAX_SUPPORTED__2_3 = 23
+};
+
+struct ta_dtm_topology_update_input_v2 {
+ /* display handle is unique across the driver and is used to identify a display */
+ /* for all security interfaces which reference displays such as HDCP */
+ uint32_t display_handle;
+ uint32_t is_active;
+ uint32_t is_miracast;
+ uint32_t controller;
+ uint32_t ddc_line;
+ uint32_t dig_be;
+ uint32_t dig_fe;
+ uint32_t dp_mst_vcid;
+ uint32_t is_assr;
+ uint32_t max_hdcp_supported_version;
+};
+
+/* For security reason/HW may change value, these encoder type enum values are not HW register values */
+/* Security code will check real HW register values and these SW enum values */
+enum ta_dtm_encoder_type {
+ TA_DTM_ENCODER_TYPE__INVALID = 0,
+ TA_DTM_ENCODER_TYPE__DIG = 0x10
+};
+
+/* @enum ta_dtm_dio_output_type
+ * This enum defines software value for dio_output_type
+ */
+typedef enum {
+ TA_DTM_DIO_OUTPUT_TYPE__INVALID,
+ TA_DTM_DIO_OUTPUT_TYPE__DIRECT,
+ TA_DTM_DIO_OUTPUT_TYPE__DPIA
+} ta_dtm_dio_output_type;
+
+struct ta_dtm_topology_update_input_v3 {
+ /* display handle is unique across the driver and is used to identify a display */
+ /* for all security interfaces which reference displays such as HDCP */
+ /* link_hdcp_cap means link is HDCP-capable for audio HDCP capable property(informational), not for other logic(e.g. Crossbar) */
+ uint32_t display_handle;
+ uint32_t is_active;
+ uint32_t is_miracast;
+ uint32_t controller;
+ uint32_t ddc_line;
+ uint32_t link_enc;
+ uint32_t stream_enc;
+ uint32_t dp_mst_vcid;
+ uint32_t is_assr;
+ uint32_t max_hdcp_supported_version;
+ enum ta_dtm_encoder_type encoder_type;
+ uint32_t phy_id;
+ uint32_t link_hdcp_cap;
+ ta_dtm_dio_output_type dio_output_type;
+ uint32_t dio_output_id;
+};
+
+struct ta_dtm_topology_assr_enable {
+ uint32_t display_topology_dig_be_index;
+};
+
+/**
+ * Output structures
+ */
+
+/* No output structures yet */
+
+union ta_dtm_cmd_input {
+ struct ta_dtm_topology_update_input_v2 topology_update_v2;
+ struct ta_dtm_topology_assr_enable topology_assr_enable;
+ struct ta_dtm_topology_update_input_v3 topology_update_v3;
+};
+
+union ta_dtm_cmd_output {
+ uint32_t reserved;
+};
+
+struct ta_dtm_shared_memory {
+ uint32_t cmd_id;
+ uint32_t resp_id;
+ enum ta_dtm_status dtm_status;
+ uint32_t reserved;
+ union ta_dtm_cmd_input dtm_in_message;
+ union ta_dtm_cmd_output dtm_out_message;
+};
+
+int psp_cmd_submit_buf(struct psp_context *psp, struct amdgpu_firmware_info *ucode, struct psp_gfx_cmd_resp *cmd,
+ uint64_t fence_mc_addr);
+
+enum { PSP_HDCP_SRM_FIRST_GEN_MAX_SIZE = 5120 };
+
+enum ta_hdcp_command {
+ TA_HDCP_COMMAND__INITIALIZE,
+ TA_HDCP_COMMAND__HDCP1_CREATE_SESSION,
+ TA_HDCP_COMMAND__HDCP1_DESTROY_SESSION,
+ TA_HDCP_COMMAND__HDCP1_FIRST_PART_AUTHENTICATION,
+ TA_HDCP_COMMAND__HDCP1_SECOND_PART_AUTHENTICATION,
+ TA_HDCP_COMMAND__HDCP1_ENABLE_ENCRYPTION,
+ TA_HDCP_COMMAND__HDCP1_ENABLE_DP_STREAM_ENCRYPTION,
+ TA_HDCP_COMMAND__HDCP1_GET_ENCRYPTION_STATUS,
+ TA_HDCP_COMMAND__UNUSED_1,
+ TA_HDCP_COMMAND__HDCP2_DESTROY_SESSION,
+ TA_HDCP_COMMAND__UNUSED_2,
+ TA_HDCP_COMMAND__HDCP2_SET_ENCRYPTION,
+ TA_HDCP_COMMAND__HDCP2_GET_ENCRYPTION_STATUS,
+ TA_HDCP_COMMAND__UNUSED_3,
+ TA_HDCP_COMMAND__HDCP2_CREATE_SESSION_V2,
+ TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2,
+ TA_HDCP_COMMAND__HDCP2_ENABLE_DP_STREAM_ENCRYPTION,
+ TA_HDCP_COMMAND__HDCP_DESTROY_ALL_SESSIONS,
+ TA_HDCP_COMMAND__HDCP_SET_SRM,
+ TA_HDCP_COMMAND__HDCP_GET_SRM
+};
+
+enum ta_hdcp2_msg_id {
+ TA_HDCP_HDCP2_MSG_ID__NULL_MESSAGE = 1,
+ TA_HDCP_HDCP2_MSG_ID__AKE_INIT = 2,
+ TA_HDCP_HDCP2_MSG_ID__AKE_SEND_CERT = 3,
+ TA_HDCP_HDCP2_MSG_ID__AKE_NO_STORED_KM = 4,
+ TA_HDCP_HDCP2_MSG_ID__AKE_STORED_KM = 5,
+ TA_HDCP_HDCP2_MSG_ID__AKE_SEND_RRX = 6,
+ TA_HDCP_HDCP2_MSG_ID__AKE_SEND_H_PRIME = 7,
+ TA_HDCP_HDCP2_MSG_ID__AKE_SEND_PAIRING_INFO = 8,
+ TA_HDCP_HDCP2_MSG_ID__LC_INIT = 9,
+ TA_HDCP_HDCP2_MSG_ID__LC_SEND_L_PRIME = 10,
+ TA_HDCP_HDCP2_MSG_ID__SKE_SEND_EKS = 11,
+ TA_HDCP_HDCP2_MSG_ID__REPEATERAUTH_SEND_RECEIVERID_LIST = 12,
+ TA_HDCP_HDCP2_MSG_ID__RTT_READY = 13,
+ TA_HDCP_HDCP2_MSG_ID__RTT_CHALLENGE = 14,
+ TA_HDCP_HDCP2_MSG_ID__REPEATERAUTH_SEND_ACK = 15,
+ TA_HDCP_HDCP2_MSG_ID__REPEATERAUTH_STREAM_MANAGE = 16,
+ TA_HDCP_HDCP2_MSG_ID__REPEATERAUTH_STREAM_READY = 17,
+ TA_HDCP_HDCP2_MSG_ID__RECEIVER_AUTH_STATUS = 18,
+ TA_HDCP_HDCP2_MSG_ID__AKE_TRANSMITTER_INFO = 19,
+ TA_HDCP_HDCP2_MSG_ID__AKE_RECEIVER_INFO = 20,
+ TA_HDCP_HDCP2_MSG_ID__SIGNAL_CONTENT_STREAM_TYPE_DP = 129
+};
+
+enum ta_hdcp2_hdcp2_msg_id_max_size {
+ TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__NULL_MESSAGE = 0,
+ TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_INIT = 12,
+ TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_SEND_CERT = 534,
+ TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_NO_STORED_KM = 129,
+ TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_STORED_KM = 33,
+ TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_SEND_RRX = 9,
+ TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_SEND_H_PRIME = 33,
+ TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_SEND_PAIRING_INFO = 17,
+ TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__LC_INIT = 9,
+ TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__LC_SEND_L_PRIME = 33,
+ TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__SKE_SEND_EKS = 25,
+ TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__REPEATERAUTH_SEND_RECEIVERID_LIST = 181,
+ TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__RTT_READY = 1,
+ TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__RTT_CHALLENGE = 17,
+ TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__REPEATERAUTH_SEND_RACK = 17,
+ TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__REPEATERAUTH_STREAM_MANAGE = 13,
+ TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__REPEATERAUTH_STREAM_READY = 33,
+ TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__RECEIVER_AUTH_STATUS = 4,
+ TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_TRANSMITTER_INFO = 6,
+ TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_RECEIVER_INFO = 6,
+ TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__SIGNAL_CONTENT_STREAM_TYPE_DP = 1
+};
+
+/* HDCP related enumerations */
+/**********************************************************/
+#define TA_HDCP__INVALID_SESSION 0xFFFF
+#define TA_HDCP__HDCP1_AN_SIZE 8
+#define TA_HDCP__HDCP1_KSV_SIZE 5
+#define TA_HDCP__HDCP1_KSV_LIST_MAX_ENTRIES 127
+#define TA_HDCP__HDCP1_V_PRIME_SIZE 20
+#define TA_HDCP__HDCP2_TX_BUF_MAX_SIZE \
+ TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_NO_STORED_KM + TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_STORED_KM + 6
+
+// 64 bits boundaries
+#define TA_HDCP__HDCP2_RX_BUF_MAX_SIZE \
+ TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_SEND_CERT + TA_HDCP_HDCP2_MSG_ID_MAX_SIZE__AKE_RECEIVER_INFO + 4
+
+enum ta_hdcp_status {
+ TA_HDCP_STATUS__SUCCESS = 0x00,
+ TA_HDCP_STATUS__GENERIC_FAILURE = 0x01,
+ TA_HDCP_STATUS__NULL_POINTER = 0x02,
+ TA_HDCP_STATUS__FAILED_ALLOCATING_SESSION = 0x03,
+ TA_HDCP_STATUS__FAILED_SETUP_TX = 0x04,
+ TA_HDCP_STATUS__INVALID_PARAMETER = 0x05,
+ TA_HDCP_STATUS__VHX_ERROR = 0x06,
+ TA_HDCP_STATUS__SESSION_NOT_CLOSED_PROPERLY = 0x07,
+ TA_HDCP_STATUS__SRM_FAILURE = 0x08,
+ TA_HDCP_STATUS__MST_AUTHENTICATED_ALREADY_STARTED = 0x09,
+ TA_HDCP_STATUS__AKE_SEND_CERT_FAILURE = 0x0A,
+ TA_HDCP_STATUS__AKE_NO_STORED_KM_FAILURE = 0x0B,
+ TA_HDCP_STATUS__AKE_SEND_HPRIME_FAILURE = 0x0C,
+ TA_HDCP_STATUS__LC_SEND_LPRIME_FAILURE = 0x0D,
+ TA_HDCP_STATUS__SKE_SEND_EKS_FAILURE = 0x0E,
+ TA_HDCP_STATUS__REPAUTH_SEND_RXIDLIST_FAILURE = 0x0F,
+ TA_HDCP_STATUS__REPAUTH_STREAM_READY_FAILURE = 0x10,
+ TA_HDCP_STATUS__ASD_GENERIC_FAILURE = 0x11,
+ TA_HDCP_STATUS__UNWRAP_SECRET_FAILURE = 0x12,
+ TA_HDCP_STATUS__ENABLE_ENCR_FAILURE = 0x13,
+ TA_HDCP_STATUS__DISABLE_ENCR_FAILURE = 0x14,
+ TA_HDCP_STATUS__NOT_ENOUGH_MEMORY_FAILURE = 0x15,
+ TA_HDCP_STATUS__UNKNOWN_MESSAGE = 0x16,
+ TA_HDCP_STATUS__TOO_MANY_STREAM = 0x17
+};
+
+enum ta_hdcp_authentication_status {
+ TA_HDCP_AUTHENTICATION_STATUS__NOT_STARTED = 0x00,
+ TA_HDCP_AUTHENTICATION_STATUS__HDCP1_FIRST_PART_FAILED = 0x01,
+ TA_HDCP_AUTHENTICATION_STATUS__HDCP1_FIRST_PART_COMPLETE = 0x02,
+ TA_HDCP_AUTHENTICATION_STATUS__HDCP1_SECOND_PART_FAILED = 0x03,
+ TA_HDCP_AUTHENTICATION_STATUS__HDCP1_AUTHENTICATED = 0x04,
+ TA_HDCP_AUTHENTICATION_STATUS__HDCP22_AUTHENTICATION_PENDING = 0x06,
+ TA_HDCP_AUTHENTICATION_STATUS__HDCP22_AUTHENTICATION_FAILED = 0x07,
+ TA_HDCP_AUTHENTICATION_STATUS__HDCP22_AUTHENTICATED = 0x08,
+ TA_HDCP_AUTHENTICATION_STATUS__HDCP1_KSV_VALIDATION_FAILED = 0x09,
+ TA_HDCP_AUTHENTICATION_STATUS__HDCP1_KSV_REVOKED = 0x0A
+};
+
+enum ta_hdcp2_msg_authentication_status {
+ TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS = 0,
+ TA_HDCP2_MSG_AUTHENTICATION_STATUS__KM_NOT_AVAILABLE,
+ TA_HDCP2_MSG_AUTHENTICATION_STATUS__UNUSED,
+ TA_HDCP2_MSG_AUTHENTICATION_STATUS__INVALID = 100, // everything above does not fail the request
+ TA_HDCP2_MSG_AUTHENTICATION_STATUS__NOT_ENOUGH_MEMORY,
+ TA_HDCP2_MSG_AUTHENTICATION_STATUS__NOT_EXPECTED_MSG,
+ TA_HDCP2_MSG_AUTHENTICATION_STATUS__SIGNATURE_CERTIFICAT_ERROR,
+ TA_HDCP2_MSG_AUTHENTICATION_STATUS__INCORRECT_HDCP_VERSION,
+ TA_HDCP2_MSG_AUTHENTICATION_STATUS__UNKNOWN_MESSAGE,
+ TA_HDCP2_MSG_AUTHENTICATION_STATUS__INVALID_HMAC,
+ TA_HDCP2_MSG_AUTHENTICATION_STATUS__INVALID_TOPOLOGY,
+ TA_HDCP2_MSG_AUTHENTICATION_STATUS__INVALID_SEQ_NUM,
+ TA_HDCP2_MSG_AUTHENTICATION_STATUS__INVALID_SIZE,
+ TA_HDCP2_MSG_AUTHENTICATION_STATUS__INVALID_LENGTH,
+ TA_HDCP2_MSG_AUTHENTICATION_STATUS__REAUTH_REQUEST,
+ TA_HDCP2_MSG_AUTHENTICATION_STATUS__RECEIVERID_REVOKED
+};
+
+enum ta_hdcp_content_type {
+ TA_HDCP2_CONTENT_TYPE__TYPE0 = 1,
+ TA_HDCP2_CONTENT_TYPE__TYPE1,
+};
+
+enum ta_hdcp_content_type_negotiation_type {
+ TA_HDCP2_CONTENT_TYPE_NEGOTIATION_TYPE__FORCE_TYPE0 = 1,
+ TA_HDCP2_CONTENT_TYPE_NEGOTIATION_TYPE__FORCE_TYPE1,
+ TA_HDCP2_CONTENT_TYPE_NEGOTIATION_TYPE__MAX_SUPPORTED
+};
+
+enum ta_hdcp2_version {
+ TA_HDCP2_VERSION_UNKNOWN = 0,
+ TA_HDCP2_VERSION_2_0 = 20,
+ TA_HDCP2_VERSION_2_1 = 21,
+ TA_HDCP2_VERSION_2_2 = 22,
+ TA_HDCP2_VERSION_2_3 = 23,
+};
+
+/* input/output structures for HDCP commands */
+/**********************************************************/
+struct ta_hdcp_cmd_hdcp1_create_session_input {
+ uint8_t display_handle;
+};
+
+struct ta_hdcp_cmd_hdcp1_create_session_output {
+ uint32_t session_handle;
+ uint8_t an_primary[TA_HDCP__HDCP1_AN_SIZE];
+ uint8_t aksv_primary[TA_HDCP__HDCP1_KSV_SIZE];
+ uint8_t ainfo_primary;
+ uint8_t an_secondary[TA_HDCP__HDCP1_AN_SIZE];
+ uint8_t aksv_secondary[TA_HDCP__HDCP1_KSV_SIZE];
+ uint8_t ainfo_secondary;
+};
+
+struct ta_hdcp_cmd_hdcp1_destroy_session_input {
+ uint32_t session_handle;
+};
+
+struct ta_hdcp_cmd_hdcp1_first_part_authentication_input {
+ uint32_t session_handle;
+ uint8_t bksv_primary[TA_HDCP__HDCP1_KSV_SIZE];
+ uint8_t bksv_secondary[TA_HDCP__HDCP1_KSV_SIZE];
+ uint8_t bcaps;
+ uint16_t r0_prime_primary;
+ uint16_t r0_prime_secondary;
+};
+
+struct ta_hdcp_cmd_hdcp1_first_part_authentication_output {
+ enum ta_hdcp_authentication_status authentication_status;
+};
+
+struct ta_hdcp_cmd_hdcp1_second_part_authentication_input {
+ uint32_t session_handle;
+ uint16_t bstatus_binfo;
+ uint8_t ksv_list[TA_HDCP__HDCP1_KSV_LIST_MAX_ENTRIES][TA_HDCP__HDCP1_KSV_SIZE];
+ uint32_t ksv_list_size;
+ uint8_t pj_prime;
+ uint8_t v_prime[TA_HDCP__HDCP1_V_PRIME_SIZE];
+};
+
+struct ta_hdcp_cmd_hdcp1_second_part_authentication_output {
+ enum ta_hdcp_authentication_status authentication_status;
+};
+
+struct ta_hdcp_cmd_hdcp1_enable_encryption_input {
+ uint32_t session_handle;
+};
+
+struct ta_hdcp_cmd_hdcp1_enable_dp_stream_encryption_input {
+ uint32_t session_handle;
+ uint32_t display_handle;
+};
+
+struct ta_hdcp_cmd_hdcp1_get_encryption_status_input {
+ uint32_t session_handle;
+};
+
+struct ta_hdcp_cmd_hdcp1_get_encryption_status_output {
+ uint32_t protection_level;
+};
+
+struct ta_hdcp_cmd_hdcp2_create_session_input_v2 {
+ uint32_t display_handle;
+ enum ta_hdcp_content_type_negotiation_type negotiate_content_type;
+};
+
+struct ta_hdcp_cmd_hdcp2_create_session_output_v2 {
+ uint32_t session_handle;
+};
+
+struct ta_hdcp_cmd_hdcp2_destroy_session_input {
+ uint32_t session_handle;
+};
+
+struct ta_hdcp_cmd_hdcp2_authentication_message_v2 {
+ enum ta_hdcp2_msg_id msg_id;
+ uint32_t msg_size;
+};
+
+struct ta_hdcp_cmd_hdcp2_process_authentication_message_input_v2 {
+ struct ta_hdcp_cmd_hdcp2_authentication_message_v2 msg1_desc;
+ struct ta_hdcp_cmd_hdcp2_authentication_message_v2 msg2_desc;
+ struct ta_hdcp_cmd_hdcp2_authentication_message_v2 msg3_desc;
+ uint8_t receiver_message[TA_HDCP__HDCP2_RX_BUF_MAX_SIZE];
+};
+
+struct ta_hdcp_cmd_hdcp2_process_authentication_message_output_v2 {
+ uint32_t hdcp_version;
+ uint32_t is_km_stored;
+ uint32_t is_locality_precompute_support;
+ uint32_t is_repeater;
+ enum ta_hdcp2_msg_authentication_status msg1_status;
+ enum ta_hdcp2_msg_authentication_status msg2_status;
+ enum ta_hdcp2_msg_authentication_status msg3_status;
+};
+
+struct ta_hdcp_cmd_hdcp2_prepare_authentication_message_input_v2 {
+ enum ta_hdcp2_msg_id msg1_id;
+ enum ta_hdcp2_msg_id msg2_id;
+};
+
+struct ta_hdcp_cmd_hdcp2_prepare_authentication_message_output_v2 {
+ enum ta_hdcp2_msg_authentication_status msg1_status;
+ enum ta_hdcp2_msg_authentication_status msg2_status;
+ struct ta_hdcp_cmd_hdcp2_authentication_message_v2 msg1_desc;
+ struct ta_hdcp_cmd_hdcp2_authentication_message_v2 msg2_desc;
+ uint8_t transmitter_message[TA_HDCP__HDCP2_TX_BUF_MAX_SIZE];
+};
+
+struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 {
+ uint32_t session_handle;
+ struct ta_hdcp_cmd_hdcp2_process_authentication_message_input_v2 process;
+ struct ta_hdcp_cmd_hdcp2_prepare_authentication_message_input_v2 prepare;
+};
+
+struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 {
+ uint32_t authentication_status;
+ struct ta_hdcp_cmd_hdcp2_process_authentication_message_output_v2 process;
+ struct ta_hdcp_cmd_hdcp2_prepare_authentication_message_output_v2 prepare;
+};
+
+struct ta_hdcp_cmd_hdcp2_set_encryption_input {
+ uint32_t session_handle;
+};
+
+struct ta_hdcp_cmd_hdcp2_get_encryption_status_input {
+ uint32_t session_handle;
+};
+
+struct ta_hdcp_cmd_hdcp2_get_encryption_status_output {
+ enum ta_hdcp_content_type hdcp2_type;
+ uint32_t protection_level;
+};
+
+struct ta_hdcp_cmd_hdcp2_enable_dp_stream_encryption_input {
+ uint32_t session_handle;
+ uint32_t display_handle;
+};
+
+struct ta_hdcp_cmd_set_srm_input {
+ uint32_t srm_buf_size;
+ uint8_t srm_buf[PSP_HDCP_SRM_FIRST_GEN_MAX_SIZE];
+};
+
+struct ta_hdcp_cmd_set_srm_output {
+ uint8_t valid_signature;
+ uint32_t srm_version;
+};
+
+struct ta_hdcp_cmd_get_srm_output {
+ uint32_t srm_version;
+ uint32_t srm_buf_size;
+ uint8_t srm_buf[PSP_HDCP_SRM_FIRST_GEN_MAX_SIZE];
+};
+
+/**********************************************************/
+/* Common input structure for HDCP callbacks */
+union ta_hdcp_cmd_input {
+ struct ta_hdcp_cmd_hdcp1_create_session_input hdcp1_create_session;
+ struct ta_hdcp_cmd_hdcp1_destroy_session_input hdcp1_destroy_session;
+ struct ta_hdcp_cmd_hdcp1_first_part_authentication_input hdcp1_first_part_authentication;
+ struct ta_hdcp_cmd_hdcp1_second_part_authentication_input hdcp1_second_part_authentication;
+ struct ta_hdcp_cmd_hdcp1_enable_encryption_input hdcp1_enable_encryption;
+ struct ta_hdcp_cmd_hdcp1_enable_dp_stream_encryption_input hdcp1_enable_dp_stream_encryption;
+ struct ta_hdcp_cmd_hdcp1_get_encryption_status_input hdcp1_get_encryption_status;
+ struct ta_hdcp_cmd_hdcp2_destroy_session_input hdcp2_destroy_session;
+ struct ta_hdcp_cmd_hdcp2_set_encryption_input hdcp2_set_encryption;
+ struct ta_hdcp_cmd_hdcp2_get_encryption_status_input hdcp2_get_encryption_status;
+ struct ta_hdcp_cmd_hdcp2_create_session_input_v2 hdcp2_create_session_v2;
+ struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2
+ hdcp2_prepare_process_authentication_message_v2;
+ struct ta_hdcp_cmd_hdcp2_enable_dp_stream_encryption_input hdcp2_enable_dp_stream_encryption;
+ struct ta_hdcp_cmd_set_srm_input hdcp_set_srm;
+};
+
+/* Common output structure for HDCP callbacks */
+union ta_hdcp_cmd_output {
+ struct ta_hdcp_cmd_hdcp1_create_session_output hdcp1_create_session;
+ struct ta_hdcp_cmd_hdcp1_first_part_authentication_output hdcp1_first_part_authentication;
+ struct ta_hdcp_cmd_hdcp1_second_part_authentication_output hdcp1_second_part_authentication;
+ struct ta_hdcp_cmd_hdcp1_get_encryption_status_output hdcp1_get_encryption_status;
+ struct ta_hdcp_cmd_hdcp2_get_encryption_status_output hdcp2_get_encryption_status;
+ struct ta_hdcp_cmd_hdcp2_create_session_output_v2 hdcp2_create_session_v2;
+ struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2
+ hdcp2_prepare_process_authentication_message_v2;
+ struct ta_hdcp_cmd_set_srm_output hdcp_set_srm;
+ struct ta_hdcp_cmd_get_srm_output hdcp_get_srm;
+};
+/**********************************************************/
+
+struct ta_hdcp_shared_memory {
+ uint32_t cmd_id;
+ enum ta_hdcp_status hdcp_status;
+ uint32_t reserved;
+ union ta_hdcp_cmd_input in_msg;
+ union ta_hdcp_cmd_output out_msg;
+};
+
+enum psp_status {
+ PSP_STATUS__SUCCESS = 0,
+ PSP_STATUS__ERROR_INVALID_PARAMS,
+ PSP_STATUS__ERROR_GENERIC,
+ PSP_STATUS__ERROR_OUT_OF_MEMORY,
+ PSP_STATUS__ERROR_UNSUPPORTED_FEATURE
+};
+
+#endif /* MODULES_HDCP_HDCP_PSP_H_ */
diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h b/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h
new file mode 100644
index 000000000..afe1f6cce
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h
@@ -0,0 +1,200 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+
+
+
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef MOD_FREESYNC_H_
+#define MOD_FREESYNC_H_
+
+#include "mod_shared.h"
+
+// Access structures
+struct mod_freesync {
+ int dummy;
+};
+
+// TODO: References to this should be removed
+struct mod_freesync_caps {
+ bool supported;
+ unsigned int min_refresh_in_micro_hz;
+ unsigned int max_refresh_in_micro_hz;
+};
+
+enum mod_vrr_state {
+ VRR_STATE_UNSUPPORTED = 0,
+ VRR_STATE_DISABLED,
+ VRR_STATE_INACTIVE,
+ VRR_STATE_ACTIVE_VARIABLE,
+ VRR_STATE_ACTIVE_FIXED
+};
+
+struct mod_freesync_config {
+ enum mod_vrr_state state;
+ bool vsif_supported;
+ bool ramping;
+ bool btr;
+ unsigned int min_refresh_in_uhz;
+ unsigned int max_refresh_in_uhz;
+ unsigned int fixed_refresh_in_uhz;
+
+};
+
+struct mod_vrr_params_btr {
+ bool btr_enabled;
+ bool btr_active;
+ uint32_t mid_point_in_us;
+ uint32_t inserted_duration_in_us;
+ uint32_t frames_to_insert;
+ uint32_t frame_counter;
+ uint32_t margin_in_us;
+};
+
+struct mod_vrr_params_fixed_refresh {
+ bool fixed_active;
+ bool ramping_active;
+ bool ramping_done;
+ uint32_t target_refresh_in_uhz;
+ uint32_t frame_counter;
+};
+
+struct mod_vrr_params_flip_interval {
+ bool flip_interval_workaround_active;
+ bool program_flip_interval_workaround;
+ bool do_flip_interval_workaround_cleanup;
+ uint32_t flip_interval_detect_counter;
+ uint32_t vsyncs_between_flip;
+ uint32_t vsync_to_flip_in_us;
+ uint32_t v_update_timestamp_in_us;
+};
+
+struct mod_vrr_params {
+ bool supported;
+ bool send_info_frame;
+ enum mod_vrr_state state;
+
+ uint32_t min_refresh_in_uhz;
+ uint32_t max_duration_in_us;
+ uint32_t max_refresh_in_uhz;
+ uint32_t min_duration_in_us;
+ uint32_t fixed_refresh_in_uhz;
+
+ struct dc_crtc_timing_adjust adjust;
+
+ struct mod_vrr_params_fixed_refresh fixed;
+
+ struct mod_vrr_params_btr btr;
+
+ struct mod_vrr_params_flip_interval flip_interval;
+};
+
+struct mod_freesync *mod_freesync_create(struct dc *dc);
+void mod_freesync_destroy(struct mod_freesync *mod_freesync);
+
+bool mod_freesync_get_vmin_vmax(struct mod_freesync *mod_freesync,
+ const struct dc_stream_state *stream,
+ unsigned int *vmin,
+ unsigned int *vmax);
+
+bool mod_freesync_get_v_position(struct mod_freesync *mod_freesync,
+ struct dc_stream_state *stream,
+ unsigned int *nom_v_pos,
+ unsigned int *v_pos);
+
+void mod_freesync_get_settings(struct mod_freesync *mod_freesync,
+ const struct mod_vrr_params *vrr,
+ unsigned int *v_total_min, unsigned int *v_total_max,
+ unsigned int *event_triggers,
+ unsigned int *window_min, unsigned int *window_max,
+ unsigned int *lfc_mid_point_in_us,
+ unsigned int *inserted_frames,
+ unsigned int *inserted_duration_in_us);
+
+void mod_freesync_build_vrr_infopacket(struct mod_freesync *mod_freesync,
+ const struct dc_stream_state *stream,
+ const struct mod_vrr_params *vrr,
+ enum vrr_packet_type packet_type,
+ enum color_transfer_func app_tf,
+ struct dc_info_packet *infopacket,
+ bool pack_sdp_v1_3);
+
+void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync,
+ const struct dc_stream_state *stream,
+ struct mod_freesync_config *in_config,
+ struct mod_vrr_params *in_out_vrr);
+
+void mod_freesync_handle_preflip(struct mod_freesync *mod_freesync,
+ const struct dc_plane_state *plane,
+ const struct dc_stream_state *stream,
+ unsigned int curr_time_stamp_in_us,
+ struct mod_vrr_params *in_out_vrr);
+
+void mod_freesync_handle_v_update(struct mod_freesync *mod_freesync,
+ const struct dc_stream_state *stream,
+ struct mod_vrr_params *in_out_vrr);
+
+unsigned long long mod_freesync_calc_nominal_field_rate(
+ const struct dc_stream_state *stream);
+
+unsigned long long mod_freesync_calc_field_rate_from_timing(
+ unsigned int vtotal, unsigned int htotal, unsigned int pix_clk);
+
+bool mod_freesync_is_valid_range(uint32_t min_refresh_cap_in_uhz,
+ uint32_t max_refresh_cap_in_uhz,
+ uint32_t nominal_field_rate_in_uhz);
+
+unsigned int mod_freesync_calc_v_total_from_refresh(
+ const struct dc_stream_state *stream,
+ unsigned int refresh_in_uhz);
+
+// Returns true when FreeSync is supported and enabled (even if it is inactive)
+bool mod_freesync_get_freesync_enabled(struct mod_vrr_params *pVrr);
+
+#endif
diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h b/drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h
new file mode 100644
index 000000000..3348bb97e
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h
@@ -0,0 +1,324 @@
+/*
+ * Copyright 2018 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef MOD_HDCP_H_
+#define MOD_HDCP_H_
+
+#include "os_types.h"
+#include "signal_types.h"
+
+/* Forward Declarations */
+struct mod_hdcp;
+
+#define MAX_NUM_OF_DISPLAYS 6
+#define MAX_NUM_OF_ATTEMPTS 4
+#define MAX_NUM_OF_ERROR_TRACE 10
+
+/* detailed return status */
+enum mod_hdcp_status {
+ MOD_HDCP_STATUS_SUCCESS = 0,
+ MOD_HDCP_STATUS_FAILURE,
+ MOD_HDCP_STATUS_RESET_NEEDED,
+ MOD_HDCP_STATUS_DISPLAY_OUT_OF_BOUND,
+ MOD_HDCP_STATUS_DISPLAY_NOT_FOUND,
+ MOD_HDCP_STATUS_INVALID_STATE,
+ MOD_HDCP_STATUS_NOT_IMPLEMENTED,
+ MOD_HDCP_STATUS_INTERNAL_POLICY_FAILURE,
+ MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE,
+ MOD_HDCP_STATUS_CREATE_PSP_SERVICE_FAILURE,
+ MOD_HDCP_STATUS_DESTROY_PSP_SERVICE_FAILURE,
+ MOD_HDCP_STATUS_HDCP1_CREATE_SESSION_FAILURE,
+ MOD_HDCP_STATUS_HDCP1_DESTROY_SESSION_FAILURE,
+ MOD_HDCP_STATUS_HDCP1_VALIDATE_ENCRYPTION_FAILURE,
+ MOD_HDCP_STATUS_HDCP1_NOT_HDCP_REPEATER,
+ MOD_HDCP_STATUS_HDCP1_NOT_CAPABLE,
+ MOD_HDCP_STATUS_HDCP1_R0_PRIME_PENDING,
+ MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE,
+ MOD_HDCP_STATUS_HDCP1_BKSV_REVOKED,
+ MOD_HDCP_STATUS_HDCP1_KSV_LIST_NOT_READY,
+ MOD_HDCP_STATUS_HDCP1_VALIDATE_KSV_LIST_FAILURE,
+ MOD_HDCP_STATUS_HDCP1_KSV_LIST_REVOKED,
+ MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION_FAILURE,
+ MOD_HDCP_STATUS_HDCP1_ENABLE_STREAM_ENCRYPTION_FAILURE,
+ MOD_HDCP_STATUS_HDCP1_MAX_CASCADE_EXCEEDED_FAILURE,
+ MOD_HDCP_STATUS_HDCP1_MAX_DEVS_EXCEEDED_FAILURE,
+ MOD_HDCP_STATUS_HDCP1_DEVICE_COUNT_MISMATCH_FAILURE,
+ MOD_HDCP_STATUS_HDCP1_LINK_INTEGRITY_FAILURE,
+ MOD_HDCP_STATUS_HDCP1_REAUTH_REQUEST_ISSUED,
+ MOD_HDCP_STATUS_HDCP1_LINK_MAINTENANCE_FAILURE,
+ MOD_HDCP_STATUS_HDCP1_INVALID_BKSV,
+ MOD_HDCP_STATUS_DDC_FAILURE, /* TODO: specific errors */
+ MOD_HDCP_STATUS_INVALID_OPERATION,
+ MOD_HDCP_STATUS_HDCP2_NOT_CAPABLE,
+ MOD_HDCP_STATUS_HDCP2_CREATE_SESSION_FAILURE,
+ MOD_HDCP_STATUS_HDCP2_DESTROY_SESSION_FAILURE,
+ MOD_HDCP_STATUS_HDCP2_PREP_AKE_INIT_FAILURE,
+ MOD_HDCP_STATUS_HDCP2_AKE_CERT_PENDING,
+ MOD_HDCP_STATUS_HDCP2_H_PRIME_PENDING,
+ MOD_HDCP_STATUS_HDCP2_PAIRING_INFO_PENDING,
+ MOD_HDCP_STATUS_HDCP2_VALIDATE_AKE_CERT_FAILURE,
+ MOD_HDCP_STATUS_HDCP2_AKE_CERT_REVOKED,
+ MOD_HDCP_STATUS_HDCP2_VALIDATE_H_PRIME_FAILURE,
+ MOD_HDCP_STATUS_HDCP2_VALIDATE_PAIRING_INFO_FAILURE,
+ MOD_HDCP_STATUS_HDCP2_PREP_LC_INIT_FAILURE,
+ MOD_HDCP_STATUS_HDCP2_L_PRIME_PENDING,
+ MOD_HDCP_STATUS_HDCP2_VALIDATE_L_PRIME_FAILURE,
+ MOD_HDCP_STATUS_HDCP2_PREP_EKS_FAILURE,
+ MOD_HDCP_STATUS_HDCP2_ENABLE_ENCRYPTION_FAILURE,
+ MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_NOT_READY,
+ MOD_HDCP_STATUS_HDCP2_VALIDATE_RX_ID_LIST_FAILURE,
+ MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_REVOKED,
+ MOD_HDCP_STATUS_HDCP2_ENABLE_STREAM_ENCRYPTION_FAILURE,
+ MOD_HDCP_STATUS_HDCP2_STREAM_READY_PENDING,
+ MOD_HDCP_STATUS_HDCP2_VALIDATE_STREAM_READY_FAILURE,
+ MOD_HDCP_STATUS_HDCP2_PREPARE_STREAM_MANAGEMENT_FAILURE,
+ MOD_HDCP_STATUS_HDCP2_REAUTH_REQUEST,
+ MOD_HDCP_STATUS_HDCP2_REAUTH_LINK_INTEGRITY_FAILURE,
+ MOD_HDCP_STATUS_HDCP2_DEVICE_COUNT_MISMATCH_FAILURE,
+ MOD_HDCP_STATUS_UNSUPPORTED_PSP_VER_FAILURE,
+};
+
+struct mod_hdcp_displayport {
+ uint8_t rev;
+ uint8_t assr_enabled;
+ uint8_t mst_enabled;
+ uint8_t usb4_enabled;
+};
+
+struct mod_hdcp_hdmi {
+ uint8_t reserved;
+};
+enum mod_hdcp_operation_mode {
+ MOD_HDCP_MODE_OFF,
+ MOD_HDCP_MODE_DEFAULT,
+ MOD_HDCP_MODE_DP
+};
+
+enum mod_hdcp_display_state {
+ MOD_HDCP_DISPLAY_INACTIVE = 0,
+ MOD_HDCP_DISPLAY_ACTIVE,
+ MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED
+};
+
+struct mod_hdcp_psp_caps {
+ uint8_t dtm_v3_supported;
+};
+
+enum mod_hdcp_display_disable_option {
+ MOD_HDCP_DISPLAY_NOT_DISABLE = 0,
+ MOD_HDCP_DISPLAY_DISABLE_AUTHENTICATION,
+ MOD_HDCP_DISPLAY_DISABLE_ENCRYPTION,
+};
+
+struct mod_hdcp_ddc {
+ void *handle;
+ struct {
+ bool (*read_i2c)(void *handle,
+ uint32_t address,
+ uint8_t offset,
+ uint8_t *data,
+ uint32_t size);
+ bool (*write_i2c)(void *handle,
+ uint32_t address,
+ const uint8_t *data,
+ uint32_t size);
+ bool (*read_dpcd)(void *handle,
+ uint32_t address,
+ uint8_t *data,
+ uint32_t size);
+ bool (*write_dpcd)(void *handle,
+ uint32_t address,
+ const uint8_t *data,
+ uint32_t size);
+ } funcs;
+};
+
+struct mod_hdcp_psp {
+ void *handle;
+ void *funcs;
+ struct mod_hdcp_psp_caps caps;
+};
+
+struct mod_hdcp_display_adjustment {
+ uint8_t disable : 2;
+ uint8_t reserved : 6;
+};
+
+struct mod_hdcp_link_adjustment_hdcp1 {
+ uint8_t disable : 1;
+ uint8_t postpone_encryption : 1;
+ uint8_t min_auth_retries_wa : 1;
+ uint8_t reserved : 5;
+};
+
+enum mod_hdcp_force_hdcp_type {
+ MOD_HDCP_FORCE_TYPE_MAX = 0,
+ MOD_HDCP_FORCE_TYPE_0,
+ MOD_HDCP_FORCE_TYPE_1
+};
+
+struct mod_hdcp_link_adjustment_hdcp2 {
+ uint8_t disable : 1;
+ uint8_t force_type : 2;
+ uint8_t force_no_stored_km : 1;
+ uint8_t increase_h_prime_timeout: 1;
+ uint8_t reserved : 3;
+};
+
+struct mod_hdcp_link_adjustment {
+ uint8_t auth_delay;
+ struct mod_hdcp_link_adjustment_hdcp1 hdcp1;
+ struct mod_hdcp_link_adjustment_hdcp2 hdcp2;
+};
+
+struct mod_hdcp_error {
+ enum mod_hdcp_status status;
+ uint8_t state_id;
+};
+
+struct mod_hdcp_trace {
+ struct mod_hdcp_error errors[MAX_NUM_OF_ERROR_TRACE];
+ uint8_t error_count;
+};
+
+enum mod_hdcp_encryption_status {
+ MOD_HDCP_ENCRYPTION_STATUS_HDCP_OFF = 0,
+ MOD_HDCP_ENCRYPTION_STATUS_HDCP1_ON,
+ MOD_HDCP_ENCRYPTION_STATUS_HDCP2_TYPE0_ON,
+ MOD_HDCP_ENCRYPTION_STATUS_HDCP2_TYPE1_ON,
+ MOD_HDCP_ENCRYPTION_STATUS_HDCP2_ON
+};
+
+/* per link events dm has to notify to hdcp module */
+enum mod_hdcp_event {
+ MOD_HDCP_EVENT_CALLBACK = 0,
+ MOD_HDCP_EVENT_WATCHDOG_TIMEOUT,
+ MOD_HDCP_EVENT_CPIRQ
+};
+
+/* output flags from module requesting timer operations */
+struct mod_hdcp_output {
+ uint8_t callback_needed;
+ uint8_t callback_stop;
+ uint8_t watchdog_timer_needed;
+ uint8_t watchdog_timer_stop;
+ uint16_t callback_delay;
+ uint16_t watchdog_timer_delay;
+ uint8_t auth_complete;
+};
+
+/* used to represent per display info */
+struct mod_hdcp_display {
+ enum mod_hdcp_display_state state;
+ uint8_t index;
+ uint8_t controller;
+ uint8_t dig_fe;
+ uint8_t stream_enc_idx;
+ union {
+ uint8_t vc_id;
+ };
+ struct mod_hdcp_display_adjustment adjust;
+};
+
+/* used to represent per link info */
+/* in case a link has multiple displays, they share the same link info */
+struct mod_hdcp_link {
+ enum mod_hdcp_operation_mode mode;
+ uint8_t dig_be;
+ uint8_t ddc_line;
+ uint8_t link_enc_idx;
+ uint8_t phy_idx;
+ uint8_t dio_output_id;
+ uint8_t hdcp_supported_informational;
+ union {
+ struct mod_hdcp_displayport dp;
+ struct mod_hdcp_hdmi hdmi;
+ };
+ struct mod_hdcp_link_adjustment adjust;
+};
+
+/* a query structure for a display's hdcp information */
+struct mod_hdcp_display_query {
+ const struct mod_hdcp_display *display;
+ const struct mod_hdcp_link *link;
+ const struct mod_hdcp_trace *trace;
+ enum mod_hdcp_encryption_status encryption_status;
+};
+
+/* contains values per on external display configuration change */
+struct mod_hdcp_config {
+ struct mod_hdcp_psp psp;
+ struct mod_hdcp_ddc ddc;
+ uint8_t index;
+};
+
+/* dm allocates memory of mod_hdcp per dc_link on dm init based on memory size*/
+size_t mod_hdcp_get_memory_size(void);
+
+/* called per link on link creation */
+enum mod_hdcp_status mod_hdcp_setup(struct mod_hdcp *hdcp,
+ struct mod_hdcp_config *config);
+
+/* called per link on link destroy */
+enum mod_hdcp_status mod_hdcp_teardown(struct mod_hdcp *hdcp);
+
+/* called per display after stream is enabled */
+enum mod_hdcp_status mod_hdcp_add_display(struct mod_hdcp *hdcp,
+ struct mod_hdcp_link *link, struct mod_hdcp_display *display,
+ struct mod_hdcp_output *output);
+
+/* called per display before stream is disabled */
+enum mod_hdcp_status mod_hdcp_remove_display(struct mod_hdcp *hdcp,
+ uint8_t index, struct mod_hdcp_output *output);
+
+/* called per display to apply new authentication adjustment */
+enum mod_hdcp_status mod_hdcp_update_display(struct mod_hdcp *hdcp,
+ uint8_t index,
+ struct mod_hdcp_link_adjustment *link_adjust,
+ struct mod_hdcp_display_adjustment *display_adjust,
+ struct mod_hdcp_output *output);
+
+/* called to query hdcp information on a specific index */
+enum mod_hdcp_status mod_hdcp_query_display(struct mod_hdcp *hdcp,
+ uint8_t index, struct mod_hdcp_display_query *query);
+
+/* called per link on connectivity change */
+enum mod_hdcp_status mod_hdcp_reset_connection(struct mod_hdcp *hdcp,
+ struct mod_hdcp_output *output);
+
+/* called per link on events (i.e. callback, watchdog, CP_IRQ) */
+enum mod_hdcp_status mod_hdcp_process_event(struct mod_hdcp *hdcp,
+ enum mod_hdcp_event event, struct mod_hdcp_output *output);
+
+/* called to convert enum mod_hdcp_status to c string */
+char *mod_hdcp_status_to_str(int32_t status);
+
+/* called to convert state id to c string */
+char *mod_hdcp_state_id_to_str(int32_t id);
+
+/* called to convert signal type to operation mode */
+enum mod_hdcp_operation_mode mod_hdcp_signal_type_to_operation_mode(
+ enum signal_type signal);
+#endif /* MOD_HDCP_H_ */
diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_info_packet.h b/drivers/gpu/drm/amd/display/modules/inc/mod_info_packet.h
new file mode 100644
index 000000000..1d8b746b0
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/inc/mod_info_packet.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2018 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef MOD_INFO_PACKET_H_
+#define MOD_INFO_PACKET_H_
+
+#include "dm_services.h"
+#include "mod_shared.h"
+//Forward Declarations
+struct dc_stream_state;
+struct dc_info_packet;
+struct mod_vrr_params;
+
+void mod_build_vsc_infopacket(const struct dc_stream_state *stream,
+ struct dc_info_packet *info_packet,
+ enum dc_color_space cs);
+
+void mod_build_hf_vsif_infopacket(const struct dc_stream_state *stream,
+ struct dc_info_packet *info_packet);
+
+#endif
diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_shared.h b/drivers/gpu/drm/amd/display/modules/inc/mod_shared.h
new file mode 100644
index 000000000..198c0e64d
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/inc/mod_shared.h
@@ -0,0 +1,108 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef MOD_SHARED_H_
+#define MOD_SHARED_H_
+
+enum color_transfer_func {
+ TRANSFER_FUNC_UNKNOWN,
+ TRANSFER_FUNC_SRGB,
+ TRANSFER_FUNC_BT709,
+ TRANSFER_FUNC_PQ2084,
+ TRANSFER_FUNC_PQ2084_INTERIM,
+ TRANSFER_FUNC_LINEAR_0_1,
+ TRANSFER_FUNC_LINEAR_0_125,
+ TRANSFER_FUNC_GAMMA_22,
+ TRANSFER_FUNC_GAMMA_26
+};
+
+enum vrr_packet_type {
+ PACKET_TYPE_VRR,
+ PACKET_TYPE_FS_V1,
+ PACKET_TYPE_FS_V2,
+ PACKET_TYPE_FS_V3,
+ PACKET_TYPE_VTEM
+};
+
+union lut3d_control_flags {
+ unsigned int raw;
+ struct {
+ unsigned int do_chroma_scale :1;
+ unsigned int spec_version :3;
+ unsigned int use_zero_display_black :1;
+ unsigned int use_zero_source_black :1;
+ unsigned int force_display_black :6;
+ unsigned int apply_display_gamma :1;
+ unsigned int exp_shaper_max :6;
+ unsigned int unity_3dlut :1;
+ unsigned int bypass_3dlut :1;
+ unsigned int use_3dlut :1;
+ unsigned int less_than_dcip3 :1;
+ unsigned int override_lum :1;
+ unsigned int use_gamut_map_lib :1;
+ unsigned int chromatic_adaptation_src :1;
+ unsigned int chromatic_adaptation_dst :1;
+ unsigned int do_blender_lut_degamma :1;
+ unsigned int reseved :4;
+ } bits;
+};
+
+enum tm_show_option_internal {
+ tm_show_option_internal_single_file = 0,/*flags2 not in use*/
+ tm_show_option_internal_duplicate_file, /*use flags2*/
+ tm_show_option_internal_duplicate_sidebyside/*use flags2*/
+};
+
+enum lut3d_control_gamut_map {
+ lut3d_control_gamut_map_none = 0,
+ lut3d_control_gamut_map_tonemap,
+ lut3d_control_gamut_map_chto,
+ lut3d_control_gamut_map_chso,
+ lut3d_control_gamut_map_chci
+};
+
+enum lut3d_control_rotation_mode {
+ lut3d_control_rotation_mode_none = 0,
+ lut3d_control_rotation_mode_hue,
+ lut3d_control_rotation_mode_cc,
+ lut3d_control_rotation_mode_hue_cc
+};
+
+struct lut3d_settings {
+ unsigned char version;
+ union lut3d_control_flags flags;
+ union lut3d_control_flags flags2;
+ enum tm_show_option_internal option;
+ unsigned int min_lum;/*multiplied by 100*/
+ unsigned int max_lum;
+ unsigned int min_lum2;
+ unsigned int max_lum2;
+ enum lut3d_control_gamut_map map;
+ enum lut3d_control_rotation_mode rotation;
+ enum lut3d_control_gamut_map map2;
+ enum lut3d_control_rotation_mode rotation2;
+};
+
+#endif /* MOD_SHARED_H_ */
diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_stats.h b/drivers/gpu/drm/amd/display/modules/inc/mod_stats.h
new file mode 100644
index 000000000..4220fd8fd
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/inc/mod_stats.h
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef MODULES_INC_MOD_STATS_H_
+#define MODULES_INC_MOD_STATS_H_
+
+#include "dm_services.h"
+
+struct mod_stats {
+ int dummy;
+};
+
+struct mod_stats_caps {
+ bool dummy;
+};
+
+struct mod_stats_init_params {
+ unsigned int stats_enable;
+ unsigned int stats_entries;
+};
+
+struct mod_stats *mod_stats_create(struct dc *dc,
+ struct mod_stats_init_params *init_params);
+
+void mod_stats_destroy(struct mod_stats *mod_stats);
+
+bool mod_stats_init(struct mod_stats *mod_stats);
+
+void mod_stats_dump(struct mod_stats *mod_stats);
+
+void mod_stats_reset_data(struct mod_stats *mod_stats);
+
+void mod_stats_update_event(struct mod_stats *mod_stats,
+ char *event_string,
+ unsigned int length);
+
+void mod_stats_update_flip(struct mod_stats *mod_stats,
+ unsigned long timestamp_in_ns);
+
+void mod_stats_update_vupdate(struct mod_stats *mod_stats,
+ unsigned long timestamp_in_ns);
+
+void mod_stats_update_freesync(struct mod_stats *mod_stats,
+ unsigned int v_total_min,
+ unsigned int v_total_max,
+ unsigned int event_triggers,
+ unsigned int window_min,
+ unsigned int window_max,
+ unsigned int lfc_mid_point_in_us,
+ unsigned int inserted_frames,
+ unsigned int inserted_frame_duration_in_us);
+
+#endif /* MODULES_INC_MOD_STATS_H_ */
diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_vmid.h b/drivers/gpu/drm/amd/display/modules/inc/mod_vmid.h
new file mode 100644
index 000000000..a3787fdf0
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/inc/mod_vmid.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2019 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef MOD_VMID_H_
+#define MOD_VMID_H_
+
+#define MAX_VMID 16
+
+#include "dc.h"
+
+struct mod_vmid {
+ int dummy;
+};
+
+uint8_t mod_vmid_get_for_ptb(struct mod_vmid *mod_vmid, uint64_t ptb);
+void mod_vmid_reset(struct mod_vmid *mod_vmid);
+struct mod_vmid *mod_vmid_create(
+ struct dc *dc,
+ unsigned int num_vmid,
+ struct dc_virtual_addr_space_config *va_config);
+
+void mod_vmid_destroy(struct mod_vmid *mod_vmid);
+
+#endif /* MOD_VMID_H_ */
diff --git a/drivers/gpu/drm/amd/display/modules/info_packet/Makefile b/drivers/gpu/drm/amd/display/modules/info_packet/Makefile
new file mode 100644
index 000000000..4c382d728
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/info_packet/Makefile
@@ -0,0 +1,31 @@
+#
+# Copyright 2017 Advanced Micro Devices, Inc.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+# THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+#
+#
+# Makefile for the 'info_packet' sub-module of DAL.
+#
+
+INFO_PACKET = info_packet.o
+
+AMD_DAL_INFO_PACKET = $(addprefix $(AMDDALPATH)/modules/info_packet/,$(INFO_PACKET))
+#$(info ************ DAL INFO_PACKET MODULE MAKEFILE ************)
+
+AMD_DISPLAY_FILES += $(AMD_DAL_INFO_PACKET)
diff --git a/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c b/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c
new file mode 100644
index 000000000..27ceba9d6
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c
@@ -0,0 +1,517 @@
+/*
+ * Copyright 2018 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "mod_info_packet.h"
+#include "core_types.h"
+#include "dc_types.h"
+#include "mod_shared.h"
+#include "mod_freesync.h"
+#include "dc.h"
+
+enum vsc_packet_revision {
+ vsc_packet_undefined = 0,
+ //01h = VSC SDP supports only 3D stereo.
+ vsc_packet_rev1 = 1,
+ //02h = 3D stereo + PSR.
+ vsc_packet_rev2 = 2,
+ //03h = 3D stereo + PSR2.
+ vsc_packet_rev3 = 3,
+ //04h = 3D stereo + PSR/PSR2 + Y-coordinate.
+ vsc_packet_rev4 = 4,
+ //05h = 3D stereo + PSR/PSR2 + Y-coordinate + Pixel Encoding/Colorimetry Format
+ vsc_packet_rev5 = 5,
+};
+
+#define HDMI_INFOFRAME_TYPE_VENDOR 0x81
+#define HF_VSIF_VERSION 1
+
+// VTEM Byte Offset
+#define VTEM_PB0 0
+#define VTEM_PB1 1
+#define VTEM_PB2 2
+#define VTEM_PB3 3
+#define VTEM_PB4 4
+#define VTEM_PB5 5
+#define VTEM_PB6 6
+
+#define VTEM_MD0 7
+#define VTEM_MD1 8
+#define VTEM_MD2 9
+#define VTEM_MD3 10
+
+
+// VTEM Byte Masks
+//PB0
+#define MASK_VTEM_PB0__RESERVED0 0x01
+#define MASK_VTEM_PB0__SYNC 0x02
+#define MASK_VTEM_PB0__VFR 0x04
+#define MASK_VTEM_PB0__AFR 0x08
+#define MASK_VTEM_PB0__DS_TYPE 0x30
+ //0: Periodic pseudo-static EM Data Set
+ //1: Periodic dynamic EM Data Set
+ //2: Unique EM Data Set
+ //3: Reserved
+#define MASK_VTEM_PB0__END 0x40
+#define MASK_VTEM_PB0__NEW 0x80
+
+//PB1
+#define MASK_VTEM_PB1__RESERVED1 0xFF
+
+//PB2
+#define MASK_VTEM_PB2__ORGANIZATION_ID 0xFF
+ //0: This is a Vendor Specific EM Data Set
+ //1: This EM Data Set is defined by This Specification (HDMI 2.1 r102.clean)
+ //2: This EM Data Set is defined by CTA-861-G
+ //3: This EM Data Set is defined by VESA
+//PB3
+#define MASK_VTEM_PB3__DATA_SET_TAG_MSB 0xFF
+//PB4
+#define MASK_VTEM_PB4__DATA_SET_TAG_LSB 0xFF
+//PB5
+#define MASK_VTEM_PB5__DATA_SET_LENGTH_MSB 0xFF
+//PB6
+#define MASK_VTEM_PB6__DATA_SET_LENGTH_LSB 0xFF
+
+
+
+//PB7-27 (20 bytes):
+//PB7 = MD0
+#define MASK_VTEM_MD0__VRR_EN 0x01
+#define MASK_VTEM_MD0__M_CONST 0x02
+#define MASK_VTEM_MD0__QMS_EN 0x04
+#define MASK_VTEM_MD0__RESERVED2 0x08
+#define MASK_VTEM_MD0__FVA_FACTOR_M1 0xF0
+
+//MD1
+#define MASK_VTEM_MD1__BASE_VFRONT 0xFF
+
+//MD2
+#define MASK_VTEM_MD2__BASE_REFRESH_RATE_98 0x03
+#define MASK_VTEM_MD2__RB 0x04
+#define MASK_VTEM_MD2__NEXT_TFR 0xF8
+
+//MD3
+#define MASK_VTEM_MD3__BASE_REFRESH_RATE_07 0xFF
+
+enum ColorimetryRGBDP {
+ ColorimetryRGB_DP_sRGB = 0,
+ ColorimetryRGB_DP_AdobeRGB = 3,
+ ColorimetryRGB_DP_P3 = 4,
+ ColorimetryRGB_DP_CustomColorProfile = 5,
+ ColorimetryRGB_DP_ITU_R_BT2020RGB = 6,
+};
+enum ColorimetryYCCDP {
+ ColorimetryYCC_DP_ITU601 = 0,
+ ColorimetryYCC_DP_ITU709 = 1,
+ ColorimetryYCC_DP_AdobeYCC = 5,
+ ColorimetryYCC_DP_ITU2020YCC = 6,
+ ColorimetryYCC_DP_ITU2020YCbCr = 7,
+};
+
+void mod_build_vsc_infopacket(const struct dc_stream_state *stream,
+ struct dc_info_packet *info_packet,
+ enum dc_color_space cs)
+{
+ unsigned int vsc_packet_revision = vsc_packet_undefined;
+ unsigned int i;
+ unsigned int pixelEncoding = 0;
+ unsigned int colorimetryFormat = 0;
+ bool stereo3dSupport = false;
+
+ if (stream->timing.timing_3d_format != TIMING_3D_FORMAT_NONE && stream->view_format != VIEW_3D_FORMAT_NONE) {
+ vsc_packet_revision = vsc_packet_rev1;
+ stereo3dSupport = true;
+ }
+
+ /* VSC packet set to 4 for PSR-SU, or 2 for PSR1 */
+ if (stream->link->psr_settings.psr_version == DC_PSR_VERSION_SU_1)
+ vsc_packet_revision = vsc_packet_rev4;
+ else if (stream->link->psr_settings.psr_version == DC_PSR_VERSION_1)
+ vsc_packet_revision = vsc_packet_rev2;
+
+ /* Update to revision 5 for extended colorimetry support */
+ if (stream->use_vsc_sdp_for_colorimetry)
+ vsc_packet_revision = vsc_packet_rev5;
+
+ /* VSC packet not needed based on the features
+ * supported by this DP display
+ */
+ if (vsc_packet_revision == vsc_packet_undefined)
+ return;
+
+ if (vsc_packet_revision == vsc_packet_rev4) {
+ /* Secondary-data Packet ID = 0*/
+ info_packet->hb0 = 0x00;
+ /* 07h - Packet Type Value indicating Video
+ * Stream Configuration packet
+ */
+ info_packet->hb1 = 0x07;
+ /* 04h = VSC SDP supporting 3D stereo + PSR/PSR2 + Y-coordinate
+ * (applies to eDP v1.4 or higher).
+ */
+ info_packet->hb2 = 0x04;
+ /* 0Eh = VSC SDP supporting 3D stereo + PSR2
+ * (HB2 = 04h), with Y-coordinate of first scan
+ * line of the SU region
+ */
+ info_packet->hb3 = 0x0E;
+
+ for (i = 0; i < 28; i++)
+ info_packet->sb[i] = 0;
+
+ info_packet->valid = true;
+ }
+
+ if (vsc_packet_revision == vsc_packet_rev2) {
+ /* Secondary-data Packet ID = 0*/
+ info_packet->hb0 = 0x00;
+ /* 07h - Packet Type Value indicating Video
+ * Stream Configuration packet
+ */
+ info_packet->hb1 = 0x07;
+ /* 02h = VSC SDP supporting 3D stereo and PSR
+ * (applies to eDP v1.3 or higher).
+ */
+ info_packet->hb2 = 0x02;
+ /* 08h = VSC packet supporting 3D stereo + PSR
+ * (HB2 = 02h).
+ */
+ info_packet->hb3 = 0x08;
+
+ for (i = 0; i < 28; i++)
+ info_packet->sb[i] = 0;
+
+ info_packet->valid = true;
+ }
+
+ if (vsc_packet_revision == vsc_packet_rev1) {
+
+ info_packet->hb0 = 0x00; // Secondary-data Packet ID = 0
+ info_packet->hb1 = 0x07; // 07h = Packet Type Value indicating Video Stream Configuration packet
+ info_packet->hb2 = 0x01; // 01h = Revision number. VSC SDP supporting 3D stereo only
+ info_packet->hb3 = 0x01; // 01h = VSC SDP supporting 3D stereo only (HB2 = 01h).
+
+ info_packet->valid = true;
+ }
+
+ if (stereo3dSupport) {
+ /* ==============================================================================================================|
+ * A. STEREO 3D
+ * ==============================================================================================================|
+ * VSC Payload (1 byte) From DP1.2 spec
+ *
+ * Bits 3:0 (Stereo Interface Method Code) | Bits 7:4 (Stereo Interface Method Specific Parameter)
+ * -----------------------------------------------------------------------------------------------------
+ * 0 = Non Stereo Video | Must be set to 0x0
+ * -----------------------------------------------------------------------------------------------------
+ * 1 = Frame/Field Sequential | 0x0: L + R view indication based on MISC1 bit 2:1
+ * | 0x1: Right when Stereo Signal = 1
+ * | 0x2: Left when Stereo Signal = 1
+ * | (others reserved)
+ * -----------------------------------------------------------------------------------------------------
+ * 2 = Stacked Frame | 0x0: Left view is on top and right view on bottom
+ * | (others reserved)
+ * -----------------------------------------------------------------------------------------------------
+ * 3 = Pixel Interleaved | 0x0: horiz interleaved, right view pixels on even lines
+ * | 0x1: horiz interleaved, right view pixels on odd lines
+ * | 0x2: checker board, start with left view pixel
+ * | 0x3: vertical interleaved, start with left view pixels
+ * | 0x4: vertical interleaved, start with right view pixels
+ * | (others reserved)
+ * -----------------------------------------------------------------------------------------------------
+ * 4 = Side-by-side | 0x0: left half represents left eye view
+ * | 0x1: left half represents right eye view
+ */
+ switch (stream->timing.timing_3d_format) {
+ case TIMING_3D_FORMAT_HW_FRAME_PACKING:
+ case TIMING_3D_FORMAT_SW_FRAME_PACKING:
+ case TIMING_3D_FORMAT_TOP_AND_BOTTOM:
+ case TIMING_3D_FORMAT_TB_SW_PACKED:
+ info_packet->sb[0] = 0x02; // Stacked Frame, Left view is on top and right view on bottom.
+ break;
+ case TIMING_3D_FORMAT_DP_HDMI_INBAND_FA:
+ case TIMING_3D_FORMAT_INBAND_FA:
+ info_packet->sb[0] = 0x01; // Frame/Field Sequential, L + R view indication based on MISC1 bit 2:1
+ break;
+ case TIMING_3D_FORMAT_SIDE_BY_SIDE:
+ case TIMING_3D_FORMAT_SBS_SW_PACKED:
+ info_packet->sb[0] = 0x04; // Side-by-side
+ break;
+ default:
+ info_packet->sb[0] = 0x00; // No Stereo Video, Shall be cleared to 0x0.
+ break;
+ }
+
+ }
+
+ /* 05h = VSC SDP supporting 3D stereo, PSR2, and Pixel Encoding/Colorimetry Format indication.
+ * Added in DP1.3, a DP Source device is allowed to indicate the pixel encoding/colorimetry
+ * format to the DP Sink device with VSC SDP only when the DP Sink device supports it
+ * (i.e., VSC_SDP_EXTENSION_FOR_COLORIMETRY_SUPPORTED bit in the DPRX_FEATURE_ENUMERATION_LIST
+ * register (DPCD Address 02210h, bit 3) is set to 1).
+ * (Requires VSC_SDP_EXTENSION_FOR_COLORIMETRY_SUPPORTED bit set to 1 in DPCD 02210h. This
+ * DPCD register is exposed in the new Extended Receiver Capability field for DPCD Rev. 1.4
+ * (and higher). When MISC1. bit 6. is Set to 1, a Source device uses a VSC SDP to indicate
+ * the Pixel Encoding/Colorimetry Format and that a Sink device must ignore MISC1, bit 7, and
+ * MISC0, bits 7:1 (MISC1, bit 7. and MISC0, bits 7:1 become "don't care").)
+ */
+ if (vsc_packet_revision == vsc_packet_rev5) {
+ /* Secondary-data Packet ID = 0 */
+ info_packet->hb0 = 0x00;
+ /* 07h - Packet Type Value indicating Video Stream Configuration packet */
+ info_packet->hb1 = 0x07;
+ /* 05h = VSC SDP supporting 3D stereo, PSR2, and Pixel Encoding/Colorimetry Format indication. */
+ info_packet->hb2 = 0x05;
+ /* 13h = VSC SDP supporting 3D stereo, + PSR2, + Pixel Encoding/Colorimetry Format indication (HB2 = 05h). */
+ info_packet->hb3 = 0x13;
+
+ info_packet->valid = true;
+
+ /* Set VSC SDP fields for pixel encoding and colorimetry format from DP 1.3 specs
+ * Data Bytes DB 18~16
+ * Bits 3:0 (Colorimetry Format) | Bits 7:4 (Pixel Encoding)
+ * ----------------------------------------------------------------------------------------------------
+ * 0x0 = sRGB | 0 = RGB
+ * 0x1 = RGB Wide Gamut Fixed Point
+ * 0x2 = RGB Wide Gamut Floating Point
+ * 0x3 = AdobeRGB
+ * 0x4 = DCI-P3
+ * 0x5 = CustomColorProfile
+ * (others reserved)
+ * ----------------------------------------------------------------------------------------------------
+ * 0x0 = ITU-R BT.601 | 1 = YCbCr444
+ * 0x1 = ITU-R BT.709
+ * 0x2 = xvYCC601
+ * 0x3 = xvYCC709
+ * 0x4 = sYCC601
+ * 0x5 = AdobeYCC601
+ * 0x6 = ITU-R BT.2020 Y'cC'bcC'rc
+ * 0x7 = ITU-R BT.2020 Y'C'bC'r
+ * (others reserved)
+ * ----------------------------------------------------------------------------------------------------
+ * 0x0 = ITU-R BT.601 | 2 = YCbCr422
+ * 0x1 = ITU-R BT.709
+ * 0x2 = xvYCC601
+ * 0x3 = xvYCC709
+ * 0x4 = sYCC601
+ * 0x5 = AdobeYCC601
+ * 0x6 = ITU-R BT.2020 Y'cC'bcC'rc
+ * 0x7 = ITU-R BT.2020 Y'C'bC'r
+ * (others reserved)
+ * ----------------------------------------------------------------------------------------------------
+ * 0x0 = ITU-R BT.601 | 3 = YCbCr420
+ * 0x1 = ITU-R BT.709
+ * 0x2 = xvYCC601
+ * 0x3 = xvYCC709
+ * 0x4 = sYCC601
+ * 0x5 = AdobeYCC601
+ * 0x6 = ITU-R BT.2020 Y'cC'bcC'rc
+ * 0x7 = ITU-R BT.2020 Y'C'bC'r
+ * (others reserved)
+ * ----------------------------------------------------------------------------------------------------
+ * 0x0 =DICOM Part14 Grayscale | 4 = Yonly
+ * Display Function
+ * (others reserved)
+ */
+
+ /* Set Pixel Encoding */
+ switch (stream->timing.pixel_encoding) {
+ case PIXEL_ENCODING_RGB:
+ pixelEncoding = 0x0; /* RGB = 0h */
+ break;
+ case PIXEL_ENCODING_YCBCR444:
+ pixelEncoding = 0x1; /* YCbCr444 = 1h */
+ break;
+ case PIXEL_ENCODING_YCBCR422:
+ pixelEncoding = 0x2; /* YCbCr422 = 2h */
+ break;
+ case PIXEL_ENCODING_YCBCR420:
+ pixelEncoding = 0x3; /* YCbCr420 = 3h */
+ break;
+ default:
+ pixelEncoding = 0x0; /* default RGB = 0h */
+ break;
+ }
+
+ /* Set Colorimetry format based on pixel encoding */
+ switch (stream->timing.pixel_encoding) {
+ case PIXEL_ENCODING_RGB:
+ if ((cs == COLOR_SPACE_SRGB) ||
+ (cs == COLOR_SPACE_SRGB_LIMITED))
+ colorimetryFormat = ColorimetryRGB_DP_sRGB;
+ else if (cs == COLOR_SPACE_ADOBERGB)
+ colorimetryFormat = ColorimetryRGB_DP_AdobeRGB;
+ else if ((cs == COLOR_SPACE_2020_RGB_FULLRANGE) ||
+ (cs == COLOR_SPACE_2020_RGB_LIMITEDRANGE))
+ colorimetryFormat = ColorimetryRGB_DP_ITU_R_BT2020RGB;
+ break;
+
+ case PIXEL_ENCODING_YCBCR444:
+ case PIXEL_ENCODING_YCBCR422:
+ case PIXEL_ENCODING_YCBCR420:
+ /* Note: xvYCC probably not supported correctly here on DP since colorspace translation
+ * loses distinction between BT601 vs xvYCC601 in translation
+ */
+ if (cs == COLOR_SPACE_YCBCR601)
+ colorimetryFormat = ColorimetryYCC_DP_ITU601;
+ else if (cs == COLOR_SPACE_YCBCR709)
+ colorimetryFormat = ColorimetryYCC_DP_ITU709;
+ else if (cs == COLOR_SPACE_ADOBERGB)
+ colorimetryFormat = ColorimetryYCC_DP_AdobeYCC;
+ else if (cs == COLOR_SPACE_2020_YCBCR)
+ colorimetryFormat = ColorimetryYCC_DP_ITU2020YCbCr;
+ break;
+
+ default:
+ colorimetryFormat = ColorimetryRGB_DP_sRGB;
+ break;
+ }
+
+ info_packet->sb[16] = (pixelEncoding << 4) | colorimetryFormat;
+
+ /* Set color depth */
+ switch (stream->timing.display_color_depth) {
+ case COLOR_DEPTH_666:
+ /* NOTE: This is actually not valid for YCbCr pixel encoding to have 6 bpc
+ * as of DP1.4 spec, but value of 0 probably reserved here for potential future use.
+ */
+ info_packet->sb[17] = 0;
+ break;
+ case COLOR_DEPTH_888:
+ info_packet->sb[17] = 1;
+ break;
+ case COLOR_DEPTH_101010:
+ info_packet->sb[17] = 2;
+ break;
+ case COLOR_DEPTH_121212:
+ info_packet->sb[17] = 3;
+ break;
+ /*case COLOR_DEPTH_141414: -- NO SUCH FORMAT IN DP SPEC */
+ case COLOR_DEPTH_161616:
+ info_packet->sb[17] = 4;
+ break;
+ default:
+ info_packet->sb[17] = 0;
+ break;
+ }
+
+ /* all YCbCr are always limited range */
+ if ((cs == COLOR_SPACE_SRGB_LIMITED) ||
+ (cs == COLOR_SPACE_2020_RGB_LIMITEDRANGE) ||
+ (pixelEncoding != 0x0)) {
+ info_packet->sb[17] |= 0x80; /* DB17 bit 7 set to 1 for CEA timing. */
+ }
+
+ /* Content Type (Bits 2:0)
+ * 0 = Not defined.
+ * 1 = Graphics.
+ * 2 = Photo.
+ * 3 = Video.
+ * 4 = Game.
+ */
+ info_packet->sb[18] = 0;
+ }
+}
+
+/**
+ * mod_build_hf_vsif_infopacket - Prepare HDMI Vendor Specific info frame.
+ * Follows HDMI Spec to build up Vendor Specific info frame
+ *
+ * @stream: contains data we may need to construct VSIF (i.e. timing_3d_format, etc.)
+ * @info_packet: output structure where to store VSIF
+ */
+void mod_build_hf_vsif_infopacket(const struct dc_stream_state *stream,
+ struct dc_info_packet *info_packet)
+{
+ unsigned int length = 5;
+ bool hdmi_vic_mode = false;
+ uint8_t checksum = 0;
+ uint32_t i = 0;
+ enum dc_timing_3d_format format;
+
+ info_packet->valid = false;
+ format = stream->timing.timing_3d_format;
+ if (stream->view_format == VIEW_3D_FORMAT_NONE)
+ format = TIMING_3D_FORMAT_NONE;
+
+ if (stream->timing.hdmi_vic != 0
+ && stream->timing.h_total >= 3840
+ && stream->timing.v_total >= 2160
+ && format == TIMING_3D_FORMAT_NONE)
+ hdmi_vic_mode = true;
+
+ if ((format == TIMING_3D_FORMAT_NONE) && !hdmi_vic_mode)
+ return;
+
+ info_packet->sb[1] = 0x03;
+ info_packet->sb[2] = 0x0C;
+ info_packet->sb[3] = 0x00;
+
+ if (format != TIMING_3D_FORMAT_NONE)
+ info_packet->sb[4] = (2 << 5);
+
+ else if (hdmi_vic_mode)
+ info_packet->sb[4] = (1 << 5);
+
+ switch (format) {
+ case TIMING_3D_FORMAT_HW_FRAME_PACKING:
+ case TIMING_3D_FORMAT_SW_FRAME_PACKING:
+ info_packet->sb[5] = (0x0 << 4);
+ break;
+
+ case TIMING_3D_FORMAT_SIDE_BY_SIDE:
+ case TIMING_3D_FORMAT_SBS_SW_PACKED:
+ info_packet->sb[5] = (0x8 << 4);
+ length = 6;
+ break;
+
+ case TIMING_3D_FORMAT_TOP_AND_BOTTOM:
+ case TIMING_3D_FORMAT_TB_SW_PACKED:
+ info_packet->sb[5] = (0x6 << 4);
+ break;
+
+ default:
+ break;
+ }
+
+ if (hdmi_vic_mode)
+ info_packet->sb[5] = stream->timing.hdmi_vic;
+
+ info_packet->hb0 = HDMI_INFOFRAME_TYPE_VENDOR;
+ info_packet->hb1 = 0x01;
+ info_packet->hb2 = (uint8_t) (length);
+
+ checksum += info_packet->hb0;
+ checksum += info_packet->hb1;
+ checksum += info_packet->hb2;
+
+ for (i = 1; i <= length; i++)
+ checksum += info_packet->sb[i];
+
+ info_packet->sb[0] = (uint8_t) (0x100 - checksum);
+
+ info_packet->valid = true;
+}
+
diff --git a/drivers/gpu/drm/amd/display/modules/power/Makefile b/drivers/gpu/drm/amd/display/modules/power/Makefile
new file mode 100644
index 000000000..9d1b22d35
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/power/Makefile
@@ -0,0 +1,31 @@
+#
+# Copyright 2017 Advanced Micro Devices, Inc.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+# THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+#
+#
+# Makefile for the 'power' sub-module of DAL.
+#
+
+MOD_POWER = power_helpers.o
+
+AMD_DAL_MOD_POWER = $(addprefix $(AMDDALPATH)/modules/power/,$(MOD_POWER))
+#$(info ************ DAL POWER MODULE MAKEFILE ************)
+
+AMD_DISPLAY_FILES += $(AMD_DAL_MOD_POWER)
diff --git a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c
new file mode 100644
index 000000000..e2f436dea
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c
@@ -0,0 +1,948 @@
+/* Copyright 2018 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "power_helpers.h"
+#include "dc/inc/hw/dmcu.h"
+#include "dc/inc/hw/abm.h"
+#include "dc.h"
+#include "core_types.h"
+#include "dmub_cmd.h"
+
+#define DIV_ROUNDUP(a, b) (((a)+((b)/2))/(b))
+#define bswap16_based_on_endian(big_endian, value) \
+ (big_endian) ? cpu_to_be16(value) : cpu_to_le16(value)
+
+/* Possible Min Reduction config from least aggressive to most aggressive
+ * 0 1 2 3 4 5 6 7 8 9 10 11 12
+ * 100 98.0 94.1 94.1 85.1 80.3 75.3 69.4 60.0 57.6 50.2 49.8 40.0 %
+ */
+static const unsigned char min_reduction_table[13] = {
+0xff, 0xfa, 0xf0, 0xf0, 0xd9, 0xcd, 0xc0, 0xb1, 0x99, 0x93, 0x80, 0x82, 0x66};
+
+/* Possible Max Reduction configs from least aggressive to most aggressive
+ * 0 1 2 3 4 5 6 7 8 9 10 11 12
+ * 96.1 89.8 85.1 80.3 69.4 64.7 64.7 50.2 39.6 30.2 30.2 30.2 19.6 %
+ */
+static const unsigned char max_reduction_table[13] = {
+0xf5, 0xe5, 0xd9, 0xcd, 0xb1, 0xa5, 0xa5, 0x80, 0x65, 0x4d, 0x4d, 0x4d, 0x32};
+
+/* Possible ABM 2.2 Min Reduction configs from least aggressive to most aggressive
+ * 0 1 2 3 4 5 6 7 8 9 10 11 12
+ * 100 100 100 100 100 100 100 100 100 92.2 83.1 75.3 75.3 %
+ */
+static const unsigned char min_reduction_table_v_2_2[13] = {
+0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xeb, 0xd4, 0xc0, 0xc0};
+
+/* Possible ABM 2.2 Max Reduction configs from least aggressive to most aggressive
+ * 0 1 2 3 4 5 6 7 8 9 10 11 12
+ * 96.1 89.8 74.9 69.4 64.7 52.2 48.6 39.6 30.2 25.1 19.6 12.5 12.5 %
+ */
+static const unsigned char max_reduction_table_v_2_2[13] = {
+0xf5, 0xe5, 0xbf, 0xb1, 0xa5, 0x85, 0x7c, 0x65, 0x4d, 0x40, 0x32, 0x20, 0x20};
+
+/* Predefined ABM configuration sets. We may have different configuration sets
+ * in order to satisfy different power/quality requirements.
+ */
+static const unsigned char abm_config[abm_defines_max_config][abm_defines_max_level] = {
+/* ABM Level 1, ABM Level 2, ABM Level 3, ABM Level 4 */
+{ 2, 5, 7, 8 }, /* Default - Medium aggressiveness */
+{ 2, 5, 8, 11 }, /* Alt #1 - Increased aggressiveness */
+{ 0, 2, 4, 8 }, /* Alt #2 - Minimal aggressiveness */
+{ 3, 6, 10, 12 }, /* Alt #3 - Super aggressiveness */
+};
+
+struct abm_parameters {
+ unsigned char min_reduction;
+ unsigned char max_reduction;
+ unsigned char bright_pos_gain;
+ unsigned char dark_pos_gain;
+ unsigned char brightness_gain;
+ unsigned char contrast_factor;
+ unsigned char deviation_gain;
+ unsigned char min_knee;
+ unsigned char max_knee;
+ unsigned short blRampReduction;
+ unsigned short blRampStart;
+};
+
+static const struct abm_parameters abm_settings_config0[abm_defines_max_level] = {
+// min_red max_red bright_pos dark_pos bright_gain contrast dev min_knee max_knee blRed blStart
+ {0xff, 0xbf, 0x20, 0x00, 0xff, 0x99, 0xb3, 0x40, 0xe0, 0xf777, 0xcccc},
+ {0xde, 0x85, 0x20, 0x00, 0xe0, 0x90, 0xa8, 0x40, 0xc8, 0xf777, 0xcccc},
+ {0xb0, 0x50, 0x20, 0x00, 0xc0, 0x88, 0x78, 0x70, 0xa0, 0xeeee, 0x9999},
+ {0x82, 0x40, 0x20, 0x00, 0x00, 0xb8, 0xb3, 0x70, 0x70, 0xe333, 0xb333},
+};
+
+static const struct abm_parameters abm_settings_config1[abm_defines_max_level] = {
+// min_red max_red bright_pos dark_pos bright_gain contrast dev min_knee max_knee blRed blStart
+ {0xf0, 0xd9, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70, 0xcccc, 0xcccc},
+ {0xcd, 0xa5, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70, 0xcccc, 0xcccc},
+ {0x99, 0x65, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70, 0xcccc, 0xcccc},
+ {0x82, 0x4d, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70, 0xcccc, 0xcccc},
+};
+
+static const struct abm_parameters * const abm_settings[] = {
+ abm_settings_config0,
+ abm_settings_config1,
+};
+
+#define NUM_AMBI_LEVEL 5
+#define NUM_AGGR_LEVEL 4
+#define NUM_POWER_FN_SEGS 8
+#define NUM_BL_CURVE_SEGS 16
+#define IRAM_SIZE 256
+
+#define IRAM_RESERVE_AREA_START_V2 0xF0 // reserve 0xF0~0xF6 are write by DMCU only
+#define IRAM_RESERVE_AREA_END_V2 0xF6 // reserve 0xF0~0xF6 are write by DMCU only
+
+#define IRAM_RESERVE_AREA_START_V2_2 0xF0 // reserve 0xF0~0xFF are write by DMCU only
+#define IRAM_RESERVE_AREA_END_V2_2 0xFF // reserve 0xF0~0xFF are write by DMCU only
+
+#pragma pack(push, 1)
+/* NOTE: iRAM is 256B in size */
+struct iram_table_v_2 {
+ /* flags */
+ uint16_t min_abm_backlight; /* 0x00 U16 */
+
+ /* parameters for ABM2.0 algorithm */
+ uint8_t min_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x02 U0.8 */
+ uint8_t max_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x16 U0.8 */
+ uint8_t bright_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x2a U2.6 */
+ uint8_t bright_neg_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x3e U2.6 */
+ uint8_t dark_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x52 U2.6 */
+ uint8_t dark_neg_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x66 U2.6 */
+ uint8_t iir_curve[NUM_AMBI_LEVEL]; /* 0x7a U0.8 */
+ uint8_t deviation_gain; /* 0x7f U0.8 */
+
+ /* parameters for crgb conversion */
+ uint16_t crgb_thresh[NUM_POWER_FN_SEGS]; /* 0x80 U3.13 */
+ uint16_t crgb_offset[NUM_POWER_FN_SEGS]; /* 0x90 U1.15 */
+ uint16_t crgb_slope[NUM_POWER_FN_SEGS]; /* 0xa0 U4.12 */
+
+ /* parameters for custom curve */
+ /* thresholds for brightness --> backlight */
+ uint16_t backlight_thresholds[NUM_BL_CURVE_SEGS]; /* 0xb0 U16.0 */
+ /* offsets for brightness --> backlight */
+ uint16_t backlight_offsets[NUM_BL_CURVE_SEGS]; /* 0xd0 U16.0 */
+
+ /* For reading PSR State directly from IRAM */
+ uint8_t psr_state; /* 0xf0 */
+ uint8_t dmcu_mcp_interface_version; /* 0xf1 */
+ uint8_t dmcu_abm_feature_version; /* 0xf2 */
+ uint8_t dmcu_psr_feature_version; /* 0xf3 */
+ uint16_t dmcu_version; /* 0xf4 */
+ uint8_t dmcu_state; /* 0xf6 */
+
+ uint16_t blRampReduction; /* 0xf7 */
+ uint16_t blRampStart; /* 0xf9 */
+ uint8_t dummy5; /* 0xfb */
+ uint8_t dummy6; /* 0xfc */
+ uint8_t dummy7; /* 0xfd */
+ uint8_t dummy8; /* 0xfe */
+ uint8_t dummy9; /* 0xff */
+};
+
+struct iram_table_v_2_2 {
+ /* flags */
+ uint16_t flags; /* 0x00 U16 */
+
+ /* parameters for ABM2.2 algorithm */
+ uint8_t min_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x02 U0.8 */
+ uint8_t max_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x16 U0.8 */
+ uint8_t bright_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x2a U2.6 */
+ uint8_t dark_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x3e U2.6 */
+ uint8_t hybrid_factor[NUM_AGGR_LEVEL]; /* 0x52 U0.8 */
+ uint8_t contrast_factor[NUM_AGGR_LEVEL]; /* 0x56 U0.8 */
+ uint8_t deviation_gain[NUM_AGGR_LEVEL]; /* 0x5a U0.8 */
+ uint8_t iir_curve[NUM_AMBI_LEVEL]; /* 0x5e U0.8 */
+ uint8_t min_knee[NUM_AGGR_LEVEL]; /* 0x63 U0.8 */
+ uint8_t max_knee[NUM_AGGR_LEVEL]; /* 0x67 U0.8 */
+ uint16_t min_abm_backlight; /* 0x6b U16 */
+ uint8_t pad[19]; /* 0x6d U0.8 */
+
+ /* parameters for crgb conversion */
+ uint16_t crgb_thresh[NUM_POWER_FN_SEGS]; /* 0x80 U3.13 */
+ uint16_t crgb_offset[NUM_POWER_FN_SEGS]; /* 0x90 U1.15 */
+ uint16_t crgb_slope[NUM_POWER_FN_SEGS]; /* 0xa0 U4.12 */
+
+ /* parameters for custom curve */
+ /* thresholds for brightness --> backlight */
+ uint16_t backlight_thresholds[NUM_BL_CURVE_SEGS]; /* 0xb0 U16.0 */
+ /* offsets for brightness --> backlight */
+ uint16_t backlight_offsets[NUM_BL_CURVE_SEGS]; /* 0xd0 U16.0 */
+
+ /* For reading PSR State directly from IRAM */
+ uint8_t psr_state; /* 0xf0 */
+ uint8_t dmcu_mcp_interface_version; /* 0xf1 */
+ uint8_t dmcu_abm_feature_version; /* 0xf2 */
+ uint8_t dmcu_psr_feature_version; /* 0xf3 */
+ uint16_t dmcu_version; /* 0xf4 */
+ uint8_t dmcu_state; /* 0xf6 */
+
+ uint8_t dummy1; /* 0xf7 */
+ uint8_t dummy2; /* 0xf8 */
+ uint8_t dummy3; /* 0xf9 */
+ uint8_t dummy4; /* 0xfa */
+ uint8_t dummy5; /* 0xfb */
+ uint8_t dummy6; /* 0xfc */
+ uint8_t dummy7; /* 0xfd */
+ uint8_t dummy8; /* 0xfe */
+ uint8_t dummy9; /* 0xff */
+};
+#pragma pack(pop)
+
+static void fill_backlight_transform_table(struct dmcu_iram_parameters params,
+ struct iram_table_v_2 *table)
+{
+ unsigned int i;
+ unsigned int num_entries = NUM_BL_CURVE_SEGS;
+ unsigned int lut_index;
+
+ table->backlight_thresholds[0] = 0;
+ table->backlight_offsets[0] = params.backlight_lut_array[0];
+ table->backlight_thresholds[num_entries-1] = 0xFFFF;
+ table->backlight_offsets[num_entries-1] =
+ params.backlight_lut_array[params.backlight_lut_array_size - 1];
+
+ /* Setup all brightness levels between 0% and 100% exclusive
+ * Fills brightness-to-backlight transform table. Backlight custom curve
+ * describes transform from brightness to backlight. It will be defined
+ * as set of thresholds and set of offsets, together, implying
+ * extrapolation of custom curve into 16 uniformly spanned linear
+ * segments. Each threshold/offset represented by 16 bit entry in
+ * format U4.10.
+ */
+ for (i = 1; i+1 < num_entries; i++) {
+ lut_index = (params.backlight_lut_array_size - 1) * i / (num_entries - 1);
+ ASSERT(lut_index < params.backlight_lut_array_size);
+
+ table->backlight_thresholds[i] =
+ cpu_to_be16(DIV_ROUNDUP((i * 65536), num_entries));
+ table->backlight_offsets[i] =
+ cpu_to_be16(params.backlight_lut_array[lut_index]);
+ }
+}
+
+static void fill_backlight_transform_table_v_2_2(struct dmcu_iram_parameters params,
+ struct iram_table_v_2_2 *table, bool big_endian)
+{
+ unsigned int i;
+ unsigned int num_entries = NUM_BL_CURVE_SEGS;
+ unsigned int lut_index;
+
+ table->backlight_thresholds[0] = 0;
+ table->backlight_offsets[0] = params.backlight_lut_array[0];
+ table->backlight_thresholds[num_entries-1] = 0xFFFF;
+ table->backlight_offsets[num_entries-1] =
+ params.backlight_lut_array[params.backlight_lut_array_size - 1];
+
+ /* Setup all brightness levels between 0% and 100% exclusive
+ * Fills brightness-to-backlight transform table. Backlight custom curve
+ * describes transform from brightness to backlight. It will be defined
+ * as set of thresholds and set of offsets, together, implying
+ * extrapolation of custom curve into 16 uniformly spanned linear
+ * segments. Each threshold/offset represented by 16 bit entry in
+ * format U4.10.
+ */
+ for (i = 1; i+1 < num_entries; i++) {
+ lut_index = DIV_ROUNDUP((i * params.backlight_lut_array_size), num_entries);
+ ASSERT(lut_index < params.backlight_lut_array_size);
+
+ table->backlight_thresholds[i] = (big_endian) ?
+ cpu_to_be16(DIV_ROUNDUP((i * 65536), num_entries)) :
+ cpu_to_le16(DIV_ROUNDUP((i * 65536), num_entries));
+ table->backlight_offsets[i] = (big_endian) ?
+ cpu_to_be16(params.backlight_lut_array[lut_index]) :
+ cpu_to_le16(params.backlight_lut_array[lut_index]);
+ }
+}
+
+static void fill_iram_v_2(struct iram_table_v_2 *ram_table, struct dmcu_iram_parameters params)
+{
+ unsigned int set = params.set;
+
+ ram_table->min_abm_backlight =
+ cpu_to_be16(params.min_abm_backlight);
+ ram_table->deviation_gain = 0xb3;
+
+ ram_table->blRampReduction =
+ cpu_to_be16(params.backlight_ramping_reduction);
+ ram_table->blRampStart =
+ cpu_to_be16(params.backlight_ramping_start);
+
+ ram_table->min_reduction[0][0] = min_reduction_table[abm_config[set][0]];
+ ram_table->min_reduction[1][0] = min_reduction_table[abm_config[set][0]];
+ ram_table->min_reduction[2][0] = min_reduction_table[abm_config[set][0]];
+ ram_table->min_reduction[3][0] = min_reduction_table[abm_config[set][0]];
+ ram_table->min_reduction[4][0] = min_reduction_table[abm_config[set][0]];
+ ram_table->max_reduction[0][0] = max_reduction_table[abm_config[set][0]];
+ ram_table->max_reduction[1][0] = max_reduction_table[abm_config[set][0]];
+ ram_table->max_reduction[2][0] = max_reduction_table[abm_config[set][0]];
+ ram_table->max_reduction[3][0] = max_reduction_table[abm_config[set][0]];
+ ram_table->max_reduction[4][0] = max_reduction_table[abm_config[set][0]];
+
+ ram_table->min_reduction[0][1] = min_reduction_table[abm_config[set][1]];
+ ram_table->min_reduction[1][1] = min_reduction_table[abm_config[set][1]];
+ ram_table->min_reduction[2][1] = min_reduction_table[abm_config[set][1]];
+ ram_table->min_reduction[3][1] = min_reduction_table[abm_config[set][1]];
+ ram_table->min_reduction[4][1] = min_reduction_table[abm_config[set][1]];
+ ram_table->max_reduction[0][1] = max_reduction_table[abm_config[set][1]];
+ ram_table->max_reduction[1][1] = max_reduction_table[abm_config[set][1]];
+ ram_table->max_reduction[2][1] = max_reduction_table[abm_config[set][1]];
+ ram_table->max_reduction[3][1] = max_reduction_table[abm_config[set][1]];
+ ram_table->max_reduction[4][1] = max_reduction_table[abm_config[set][1]];
+
+ ram_table->min_reduction[0][2] = min_reduction_table[abm_config[set][2]];
+ ram_table->min_reduction[1][2] = min_reduction_table[abm_config[set][2]];
+ ram_table->min_reduction[2][2] = min_reduction_table[abm_config[set][2]];
+ ram_table->min_reduction[3][2] = min_reduction_table[abm_config[set][2]];
+ ram_table->min_reduction[4][2] = min_reduction_table[abm_config[set][2]];
+ ram_table->max_reduction[0][2] = max_reduction_table[abm_config[set][2]];
+ ram_table->max_reduction[1][2] = max_reduction_table[abm_config[set][2]];
+ ram_table->max_reduction[2][2] = max_reduction_table[abm_config[set][2]];
+ ram_table->max_reduction[3][2] = max_reduction_table[abm_config[set][2]];
+ ram_table->max_reduction[4][2] = max_reduction_table[abm_config[set][2]];
+
+ ram_table->min_reduction[0][3] = min_reduction_table[abm_config[set][3]];
+ ram_table->min_reduction[1][3] = min_reduction_table[abm_config[set][3]];
+ ram_table->min_reduction[2][3] = min_reduction_table[abm_config[set][3]];
+ ram_table->min_reduction[3][3] = min_reduction_table[abm_config[set][3]];
+ ram_table->min_reduction[4][3] = min_reduction_table[abm_config[set][3]];
+ ram_table->max_reduction[0][3] = max_reduction_table[abm_config[set][3]];
+ ram_table->max_reduction[1][3] = max_reduction_table[abm_config[set][3]];
+ ram_table->max_reduction[2][3] = max_reduction_table[abm_config[set][3]];
+ ram_table->max_reduction[3][3] = max_reduction_table[abm_config[set][3]];
+ ram_table->max_reduction[4][3] = max_reduction_table[abm_config[set][3]];
+
+ ram_table->bright_pos_gain[0][0] = 0x20;
+ ram_table->bright_pos_gain[0][1] = 0x20;
+ ram_table->bright_pos_gain[0][2] = 0x20;
+ ram_table->bright_pos_gain[0][3] = 0x20;
+ ram_table->bright_pos_gain[1][0] = 0x20;
+ ram_table->bright_pos_gain[1][1] = 0x20;
+ ram_table->bright_pos_gain[1][2] = 0x20;
+ ram_table->bright_pos_gain[1][3] = 0x20;
+ ram_table->bright_pos_gain[2][0] = 0x20;
+ ram_table->bright_pos_gain[2][1] = 0x20;
+ ram_table->bright_pos_gain[2][2] = 0x20;
+ ram_table->bright_pos_gain[2][3] = 0x20;
+ ram_table->bright_pos_gain[3][0] = 0x20;
+ ram_table->bright_pos_gain[3][1] = 0x20;
+ ram_table->bright_pos_gain[3][2] = 0x20;
+ ram_table->bright_pos_gain[3][3] = 0x20;
+ ram_table->bright_pos_gain[4][0] = 0x20;
+ ram_table->bright_pos_gain[4][1] = 0x20;
+ ram_table->bright_pos_gain[4][2] = 0x20;
+ ram_table->bright_pos_gain[4][3] = 0x20;
+ ram_table->bright_neg_gain[0][0] = 0x00;
+ ram_table->bright_neg_gain[0][1] = 0x00;
+ ram_table->bright_neg_gain[0][2] = 0x00;
+ ram_table->bright_neg_gain[0][3] = 0x00;
+ ram_table->bright_neg_gain[1][0] = 0x00;
+ ram_table->bright_neg_gain[1][1] = 0x00;
+ ram_table->bright_neg_gain[1][2] = 0x00;
+ ram_table->bright_neg_gain[1][3] = 0x00;
+ ram_table->bright_neg_gain[2][0] = 0x00;
+ ram_table->bright_neg_gain[2][1] = 0x00;
+ ram_table->bright_neg_gain[2][2] = 0x00;
+ ram_table->bright_neg_gain[2][3] = 0x00;
+ ram_table->bright_neg_gain[3][0] = 0x00;
+ ram_table->bright_neg_gain[3][1] = 0x00;
+ ram_table->bright_neg_gain[3][2] = 0x00;
+ ram_table->bright_neg_gain[3][3] = 0x00;
+ ram_table->bright_neg_gain[4][0] = 0x00;
+ ram_table->bright_neg_gain[4][1] = 0x00;
+ ram_table->bright_neg_gain[4][2] = 0x00;
+ ram_table->bright_neg_gain[4][3] = 0x00;
+ ram_table->dark_pos_gain[0][0] = 0x00;
+ ram_table->dark_pos_gain[0][1] = 0x00;
+ ram_table->dark_pos_gain[0][2] = 0x00;
+ ram_table->dark_pos_gain[0][3] = 0x00;
+ ram_table->dark_pos_gain[1][0] = 0x00;
+ ram_table->dark_pos_gain[1][1] = 0x00;
+ ram_table->dark_pos_gain[1][2] = 0x00;
+ ram_table->dark_pos_gain[1][3] = 0x00;
+ ram_table->dark_pos_gain[2][0] = 0x00;
+ ram_table->dark_pos_gain[2][1] = 0x00;
+ ram_table->dark_pos_gain[2][2] = 0x00;
+ ram_table->dark_pos_gain[2][3] = 0x00;
+ ram_table->dark_pos_gain[3][0] = 0x00;
+ ram_table->dark_pos_gain[3][1] = 0x00;
+ ram_table->dark_pos_gain[3][2] = 0x00;
+ ram_table->dark_pos_gain[3][3] = 0x00;
+ ram_table->dark_pos_gain[4][0] = 0x00;
+ ram_table->dark_pos_gain[4][1] = 0x00;
+ ram_table->dark_pos_gain[4][2] = 0x00;
+ ram_table->dark_pos_gain[4][3] = 0x00;
+ ram_table->dark_neg_gain[0][0] = 0x00;
+ ram_table->dark_neg_gain[0][1] = 0x00;
+ ram_table->dark_neg_gain[0][2] = 0x00;
+ ram_table->dark_neg_gain[0][3] = 0x00;
+ ram_table->dark_neg_gain[1][0] = 0x00;
+ ram_table->dark_neg_gain[1][1] = 0x00;
+ ram_table->dark_neg_gain[1][2] = 0x00;
+ ram_table->dark_neg_gain[1][3] = 0x00;
+ ram_table->dark_neg_gain[2][0] = 0x00;
+ ram_table->dark_neg_gain[2][1] = 0x00;
+ ram_table->dark_neg_gain[2][2] = 0x00;
+ ram_table->dark_neg_gain[2][3] = 0x00;
+ ram_table->dark_neg_gain[3][0] = 0x00;
+ ram_table->dark_neg_gain[3][1] = 0x00;
+ ram_table->dark_neg_gain[3][2] = 0x00;
+ ram_table->dark_neg_gain[3][3] = 0x00;
+ ram_table->dark_neg_gain[4][0] = 0x00;
+ ram_table->dark_neg_gain[4][1] = 0x00;
+ ram_table->dark_neg_gain[4][2] = 0x00;
+ ram_table->dark_neg_gain[4][3] = 0x00;
+
+ ram_table->iir_curve[0] = 0x65;
+ ram_table->iir_curve[1] = 0x65;
+ ram_table->iir_curve[2] = 0x65;
+ ram_table->iir_curve[3] = 0x65;
+ ram_table->iir_curve[4] = 0x65;
+
+ //Gamma 2.4
+ ram_table->crgb_thresh[0] = cpu_to_be16(0x13b6);
+ ram_table->crgb_thresh[1] = cpu_to_be16(0x1648);
+ ram_table->crgb_thresh[2] = cpu_to_be16(0x18e3);
+ ram_table->crgb_thresh[3] = cpu_to_be16(0x1b41);
+ ram_table->crgb_thresh[4] = cpu_to_be16(0x1d46);
+ ram_table->crgb_thresh[5] = cpu_to_be16(0x1f21);
+ ram_table->crgb_thresh[6] = cpu_to_be16(0x2167);
+ ram_table->crgb_thresh[7] = cpu_to_be16(0x2384);
+ ram_table->crgb_offset[0] = cpu_to_be16(0x2999);
+ ram_table->crgb_offset[1] = cpu_to_be16(0x3999);
+ ram_table->crgb_offset[2] = cpu_to_be16(0x4666);
+ ram_table->crgb_offset[3] = cpu_to_be16(0x5999);
+ ram_table->crgb_offset[4] = cpu_to_be16(0x6333);
+ ram_table->crgb_offset[5] = cpu_to_be16(0x7800);
+ ram_table->crgb_offset[6] = cpu_to_be16(0x8c00);
+ ram_table->crgb_offset[7] = cpu_to_be16(0xa000);
+ ram_table->crgb_slope[0] = cpu_to_be16(0x3147);
+ ram_table->crgb_slope[1] = cpu_to_be16(0x2978);
+ ram_table->crgb_slope[2] = cpu_to_be16(0x23a2);
+ ram_table->crgb_slope[3] = cpu_to_be16(0x1f55);
+ ram_table->crgb_slope[4] = cpu_to_be16(0x1c63);
+ ram_table->crgb_slope[5] = cpu_to_be16(0x1a0f);
+ ram_table->crgb_slope[6] = cpu_to_be16(0x178d);
+ ram_table->crgb_slope[7] = cpu_to_be16(0x15ab);
+
+ fill_backlight_transform_table(
+ params, ram_table);
+}
+
+static void fill_iram_v_2_2(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parameters params)
+{
+ unsigned int set = params.set;
+
+ ram_table->flags = 0x0;
+
+ ram_table->min_abm_backlight =
+ cpu_to_be16(params.min_abm_backlight);
+
+ ram_table->deviation_gain[0] = 0xb3;
+ ram_table->deviation_gain[1] = 0xa8;
+ ram_table->deviation_gain[2] = 0x98;
+ ram_table->deviation_gain[3] = 0x68;
+
+ ram_table->min_reduction[0][0] = min_reduction_table_v_2_2[abm_config[set][0]];
+ ram_table->min_reduction[1][0] = min_reduction_table_v_2_2[abm_config[set][0]];
+ ram_table->min_reduction[2][0] = min_reduction_table_v_2_2[abm_config[set][0]];
+ ram_table->min_reduction[3][0] = min_reduction_table_v_2_2[abm_config[set][0]];
+ ram_table->min_reduction[4][0] = min_reduction_table_v_2_2[abm_config[set][0]];
+ ram_table->max_reduction[0][0] = max_reduction_table_v_2_2[abm_config[set][0]];
+ ram_table->max_reduction[1][0] = max_reduction_table_v_2_2[abm_config[set][0]];
+ ram_table->max_reduction[2][0] = max_reduction_table_v_2_2[abm_config[set][0]];
+ ram_table->max_reduction[3][0] = max_reduction_table_v_2_2[abm_config[set][0]];
+ ram_table->max_reduction[4][0] = max_reduction_table_v_2_2[abm_config[set][0]];
+
+ ram_table->min_reduction[0][1] = min_reduction_table_v_2_2[abm_config[set][1]];
+ ram_table->min_reduction[1][1] = min_reduction_table_v_2_2[abm_config[set][1]];
+ ram_table->min_reduction[2][1] = min_reduction_table_v_2_2[abm_config[set][1]];
+ ram_table->min_reduction[3][1] = min_reduction_table_v_2_2[abm_config[set][1]];
+ ram_table->min_reduction[4][1] = min_reduction_table_v_2_2[abm_config[set][1]];
+ ram_table->max_reduction[0][1] = max_reduction_table_v_2_2[abm_config[set][1]];
+ ram_table->max_reduction[1][1] = max_reduction_table_v_2_2[abm_config[set][1]];
+ ram_table->max_reduction[2][1] = max_reduction_table_v_2_2[abm_config[set][1]];
+ ram_table->max_reduction[3][1] = max_reduction_table_v_2_2[abm_config[set][1]];
+ ram_table->max_reduction[4][1] = max_reduction_table_v_2_2[abm_config[set][1]];
+
+ ram_table->min_reduction[0][2] = min_reduction_table_v_2_2[abm_config[set][2]];
+ ram_table->min_reduction[1][2] = min_reduction_table_v_2_2[abm_config[set][2]];
+ ram_table->min_reduction[2][2] = min_reduction_table_v_2_2[abm_config[set][2]];
+ ram_table->min_reduction[3][2] = min_reduction_table_v_2_2[abm_config[set][2]];
+ ram_table->min_reduction[4][2] = min_reduction_table_v_2_2[abm_config[set][2]];
+ ram_table->max_reduction[0][2] = max_reduction_table_v_2_2[abm_config[set][2]];
+ ram_table->max_reduction[1][2] = max_reduction_table_v_2_2[abm_config[set][2]];
+ ram_table->max_reduction[2][2] = max_reduction_table_v_2_2[abm_config[set][2]];
+ ram_table->max_reduction[3][2] = max_reduction_table_v_2_2[abm_config[set][2]];
+ ram_table->max_reduction[4][2] = max_reduction_table_v_2_2[abm_config[set][2]];
+
+ ram_table->min_reduction[0][3] = min_reduction_table_v_2_2[abm_config[set][3]];
+ ram_table->min_reduction[1][3] = min_reduction_table_v_2_2[abm_config[set][3]];
+ ram_table->min_reduction[2][3] = min_reduction_table_v_2_2[abm_config[set][3]];
+ ram_table->min_reduction[3][3] = min_reduction_table_v_2_2[abm_config[set][3]];
+ ram_table->min_reduction[4][3] = min_reduction_table_v_2_2[abm_config[set][3]];
+ ram_table->max_reduction[0][3] = max_reduction_table_v_2_2[abm_config[set][3]];
+ ram_table->max_reduction[1][3] = max_reduction_table_v_2_2[abm_config[set][3]];
+ ram_table->max_reduction[2][3] = max_reduction_table_v_2_2[abm_config[set][3]];
+ ram_table->max_reduction[3][3] = max_reduction_table_v_2_2[abm_config[set][3]];
+ ram_table->max_reduction[4][3] = max_reduction_table_v_2_2[abm_config[set][3]];
+
+ ram_table->bright_pos_gain[0][0] = 0x20;
+ ram_table->bright_pos_gain[0][1] = 0x20;
+ ram_table->bright_pos_gain[0][2] = 0x20;
+ ram_table->bright_pos_gain[0][3] = 0x20;
+ ram_table->bright_pos_gain[1][0] = 0x20;
+ ram_table->bright_pos_gain[1][1] = 0x20;
+ ram_table->bright_pos_gain[1][2] = 0x20;
+ ram_table->bright_pos_gain[1][3] = 0x20;
+ ram_table->bright_pos_gain[2][0] = 0x20;
+ ram_table->bright_pos_gain[2][1] = 0x20;
+ ram_table->bright_pos_gain[2][2] = 0x20;
+ ram_table->bright_pos_gain[2][3] = 0x20;
+ ram_table->bright_pos_gain[3][0] = 0x20;
+ ram_table->bright_pos_gain[3][1] = 0x20;
+ ram_table->bright_pos_gain[3][2] = 0x20;
+ ram_table->bright_pos_gain[3][3] = 0x20;
+ ram_table->bright_pos_gain[4][0] = 0x20;
+ ram_table->bright_pos_gain[4][1] = 0x20;
+ ram_table->bright_pos_gain[4][2] = 0x20;
+ ram_table->bright_pos_gain[4][3] = 0x20;
+
+ ram_table->dark_pos_gain[0][0] = 0x00;
+ ram_table->dark_pos_gain[0][1] = 0x00;
+ ram_table->dark_pos_gain[0][2] = 0x00;
+ ram_table->dark_pos_gain[0][3] = 0x00;
+ ram_table->dark_pos_gain[1][0] = 0x00;
+ ram_table->dark_pos_gain[1][1] = 0x00;
+ ram_table->dark_pos_gain[1][2] = 0x00;
+ ram_table->dark_pos_gain[1][3] = 0x00;
+ ram_table->dark_pos_gain[2][0] = 0x00;
+ ram_table->dark_pos_gain[2][1] = 0x00;
+ ram_table->dark_pos_gain[2][2] = 0x00;
+ ram_table->dark_pos_gain[2][3] = 0x00;
+ ram_table->dark_pos_gain[3][0] = 0x00;
+ ram_table->dark_pos_gain[3][1] = 0x00;
+ ram_table->dark_pos_gain[3][2] = 0x00;
+ ram_table->dark_pos_gain[3][3] = 0x00;
+ ram_table->dark_pos_gain[4][0] = 0x00;
+ ram_table->dark_pos_gain[4][1] = 0x00;
+ ram_table->dark_pos_gain[4][2] = 0x00;
+ ram_table->dark_pos_gain[4][3] = 0x00;
+
+ ram_table->hybrid_factor[0] = 0xff;
+ ram_table->hybrid_factor[1] = 0xff;
+ ram_table->hybrid_factor[2] = 0xff;
+ ram_table->hybrid_factor[3] = 0xc0;
+
+ ram_table->contrast_factor[0] = 0x99;
+ ram_table->contrast_factor[1] = 0x99;
+ ram_table->contrast_factor[2] = 0x90;
+ ram_table->contrast_factor[3] = 0x80;
+
+ ram_table->iir_curve[0] = 0x65;
+ ram_table->iir_curve[1] = 0x65;
+ ram_table->iir_curve[2] = 0x65;
+ ram_table->iir_curve[3] = 0x65;
+ ram_table->iir_curve[4] = 0x65;
+
+ //Gamma 2.2
+ ram_table->crgb_thresh[0] = cpu_to_be16(0x127c);
+ ram_table->crgb_thresh[1] = cpu_to_be16(0x151b);
+ ram_table->crgb_thresh[2] = cpu_to_be16(0x17d5);
+ ram_table->crgb_thresh[3] = cpu_to_be16(0x1a56);
+ ram_table->crgb_thresh[4] = cpu_to_be16(0x1c83);
+ ram_table->crgb_thresh[5] = cpu_to_be16(0x1e72);
+ ram_table->crgb_thresh[6] = cpu_to_be16(0x20f0);
+ ram_table->crgb_thresh[7] = cpu_to_be16(0x232b);
+ ram_table->crgb_offset[0] = cpu_to_be16(0x2999);
+ ram_table->crgb_offset[1] = cpu_to_be16(0x3999);
+ ram_table->crgb_offset[2] = cpu_to_be16(0x4666);
+ ram_table->crgb_offset[3] = cpu_to_be16(0x5999);
+ ram_table->crgb_offset[4] = cpu_to_be16(0x6333);
+ ram_table->crgb_offset[5] = cpu_to_be16(0x7800);
+ ram_table->crgb_offset[6] = cpu_to_be16(0x8c00);
+ ram_table->crgb_offset[7] = cpu_to_be16(0xa000);
+ ram_table->crgb_slope[0] = cpu_to_be16(0x3609);
+ ram_table->crgb_slope[1] = cpu_to_be16(0x2dfa);
+ ram_table->crgb_slope[2] = cpu_to_be16(0x27ea);
+ ram_table->crgb_slope[3] = cpu_to_be16(0x235d);
+ ram_table->crgb_slope[4] = cpu_to_be16(0x2042);
+ ram_table->crgb_slope[5] = cpu_to_be16(0x1dc3);
+ ram_table->crgb_slope[6] = cpu_to_be16(0x1b1a);
+ ram_table->crgb_slope[7] = cpu_to_be16(0x1910);
+
+ fill_backlight_transform_table_v_2_2(
+ params, ram_table, true);
+}
+
+static void fill_iram_v_2_3(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parameters params, bool big_endian)
+{
+ unsigned int i, j;
+ unsigned int set = params.set;
+
+ ram_table->flags = 0x0;
+ ram_table->min_abm_backlight = (big_endian) ?
+ cpu_to_be16(params.min_abm_backlight) :
+ cpu_to_le16(params.min_abm_backlight);
+
+ for (i = 0; i < NUM_AGGR_LEVEL; i++) {
+ ram_table->hybrid_factor[i] = abm_settings[set][i].brightness_gain;
+ ram_table->contrast_factor[i] = abm_settings[set][i].contrast_factor;
+ ram_table->deviation_gain[i] = abm_settings[set][i].deviation_gain;
+ ram_table->min_knee[i] = abm_settings[set][i].min_knee;
+ ram_table->max_knee[i] = abm_settings[set][i].max_knee;
+
+ for (j = 0; j < NUM_AMBI_LEVEL; j++) {
+ ram_table->min_reduction[j][i] = abm_settings[set][i].min_reduction;
+ ram_table->max_reduction[j][i] = abm_settings[set][i].max_reduction;
+ ram_table->bright_pos_gain[j][i] = abm_settings[set][i].bright_pos_gain;
+ ram_table->dark_pos_gain[j][i] = abm_settings[set][i].dark_pos_gain;
+ }
+ }
+
+ ram_table->iir_curve[0] = 0x65;
+ ram_table->iir_curve[1] = 0x65;
+ ram_table->iir_curve[2] = 0x65;
+ ram_table->iir_curve[3] = 0x65;
+ ram_table->iir_curve[4] = 0x65;
+
+ //Gamma 2.2
+ ram_table->crgb_thresh[0] = bswap16_based_on_endian(big_endian, 0x127c);
+ ram_table->crgb_thresh[1] = bswap16_based_on_endian(big_endian, 0x151b);
+ ram_table->crgb_thresh[2] = bswap16_based_on_endian(big_endian, 0x17d5);
+ ram_table->crgb_thresh[3] = bswap16_based_on_endian(big_endian, 0x1a56);
+ ram_table->crgb_thresh[4] = bswap16_based_on_endian(big_endian, 0x1c83);
+ ram_table->crgb_thresh[5] = bswap16_based_on_endian(big_endian, 0x1e72);
+ ram_table->crgb_thresh[6] = bswap16_based_on_endian(big_endian, 0x20f0);
+ ram_table->crgb_thresh[7] = bswap16_based_on_endian(big_endian, 0x232b);
+ ram_table->crgb_offset[0] = bswap16_based_on_endian(big_endian, 0x2999);
+ ram_table->crgb_offset[1] = bswap16_based_on_endian(big_endian, 0x3999);
+ ram_table->crgb_offset[2] = bswap16_based_on_endian(big_endian, 0x4666);
+ ram_table->crgb_offset[3] = bswap16_based_on_endian(big_endian, 0x5999);
+ ram_table->crgb_offset[4] = bswap16_based_on_endian(big_endian, 0x6333);
+ ram_table->crgb_offset[5] = bswap16_based_on_endian(big_endian, 0x7800);
+ ram_table->crgb_offset[6] = bswap16_based_on_endian(big_endian, 0x8c00);
+ ram_table->crgb_offset[7] = bswap16_based_on_endian(big_endian, 0xa000);
+ ram_table->crgb_slope[0] = bswap16_based_on_endian(big_endian, 0x3609);
+ ram_table->crgb_slope[1] = bswap16_based_on_endian(big_endian, 0x2dfa);
+ ram_table->crgb_slope[2] = bswap16_based_on_endian(big_endian, 0x27ea);
+ ram_table->crgb_slope[3] = bswap16_based_on_endian(big_endian, 0x235d);
+ ram_table->crgb_slope[4] = bswap16_based_on_endian(big_endian, 0x2042);
+ ram_table->crgb_slope[5] = bswap16_based_on_endian(big_endian, 0x1dc3);
+ ram_table->crgb_slope[6] = bswap16_based_on_endian(big_endian, 0x1b1a);
+ ram_table->crgb_slope[7] = bswap16_based_on_endian(big_endian, 0x1910);
+
+ fill_backlight_transform_table_v_2_2(
+ params, ram_table, big_endian);
+}
+
+bool dmub_init_abm_config(struct resource_pool *res_pool,
+ struct dmcu_iram_parameters params,
+ unsigned int inst)
+{
+ struct iram_table_v_2_2 ram_table;
+ struct abm_config_table config;
+ unsigned int set = params.set;
+ bool result = false;
+ uint32_t i, j = 0;
+
+#if defined(CONFIG_DRM_AMD_DC_DCN)
+ if (res_pool->abm == NULL && res_pool->multiple_abms[inst] == NULL)
+ return false;
+#else
+ if (res_pool->abm == NULL)
+ return false;
+#endif
+
+ memset(&ram_table, 0, sizeof(ram_table));
+ memset(&config, 0, sizeof(config));
+
+ fill_iram_v_2_3(&ram_table, params, false);
+
+ // We must copy to structure that is aligned to 32-bit
+ for (i = 0; i < NUM_POWER_FN_SEGS; i++) {
+ config.crgb_thresh[i] = ram_table.crgb_thresh[i];
+ config.crgb_offset[i] = ram_table.crgb_offset[i];
+ config.crgb_slope[i] = ram_table.crgb_slope[i];
+ }
+
+ for (i = 0; i < NUM_BL_CURVE_SEGS; i++) {
+ config.backlight_thresholds[i] = ram_table.backlight_thresholds[i];
+ config.backlight_offsets[i] = ram_table.backlight_offsets[i];
+ }
+
+ for (i = 0; i < NUM_AMBI_LEVEL; i++)
+ config.iir_curve[i] = ram_table.iir_curve[i];
+
+ for (i = 0; i < NUM_AMBI_LEVEL; i++) {
+ for (j = 0; j < NUM_AGGR_LEVEL; j++) {
+ config.min_reduction[i][j] = ram_table.min_reduction[i][j];
+ config.max_reduction[i][j] = ram_table.max_reduction[i][j];
+ config.bright_pos_gain[i][j] = ram_table.bright_pos_gain[i][j];
+ config.dark_pos_gain[i][j] = ram_table.dark_pos_gain[i][j];
+ }
+ }
+
+ for (i = 0; i < NUM_AGGR_LEVEL; i++) {
+ config.hybrid_factor[i] = ram_table.hybrid_factor[i];
+ config.contrast_factor[i] = ram_table.contrast_factor[i];
+ config.deviation_gain[i] = ram_table.deviation_gain[i];
+ config.min_knee[i] = ram_table.min_knee[i];
+ config.max_knee[i] = ram_table.max_knee[i];
+ }
+
+ if (params.backlight_ramping_override) {
+ for (i = 0; i < NUM_AGGR_LEVEL; i++) {
+ config.blRampReduction[i] = params.backlight_ramping_reduction;
+ config.blRampStart[i] = params.backlight_ramping_start;
+ }
+ } else {
+ for (i = 0; i < NUM_AGGR_LEVEL; i++) {
+ config.blRampReduction[i] = abm_settings[set][i].blRampReduction;
+ config.blRampStart[i] = abm_settings[set][i].blRampStart;
+ }
+ }
+
+ config.min_abm_backlight = ram_table.min_abm_backlight;
+
+#if defined(CONFIG_DRM_AMD_DC_DCN)
+ if (res_pool->multiple_abms[inst]) {
+ result = res_pool->multiple_abms[inst]->funcs->init_abm_config(
+ res_pool->multiple_abms[inst], (char *)(&config), sizeof(struct abm_config_table), inst);
+ } else
+#endif
+ result = res_pool->abm->funcs->init_abm_config(
+ res_pool->abm, (char *)(&config), sizeof(struct abm_config_table), 0);
+
+ return result;
+}
+
+bool dmcu_load_iram(struct dmcu *dmcu,
+ struct dmcu_iram_parameters params)
+{
+ unsigned char ram_table[IRAM_SIZE];
+ bool result = false;
+
+ if (dmcu == NULL)
+ return false;
+
+ if (dmcu && !dmcu->funcs->is_dmcu_initialized(dmcu))
+ return true;
+
+ memset(&ram_table, 0, sizeof(ram_table));
+
+ if (dmcu->dmcu_version.abm_version == 0x24) {
+ fill_iram_v_2_3((struct iram_table_v_2_2 *)ram_table, params, true);
+ result = dmcu->funcs->load_iram(
+ dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2);
+ } else if (dmcu->dmcu_version.abm_version == 0x23) {
+ fill_iram_v_2_3((struct iram_table_v_2_2 *)ram_table, params, true);
+
+ result = dmcu->funcs->load_iram(
+ dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2);
+ } else if (dmcu->dmcu_version.abm_version == 0x22) {
+ fill_iram_v_2_2((struct iram_table_v_2_2 *)ram_table, params);
+
+ result = dmcu->funcs->load_iram(
+ dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2);
+ } else {
+ fill_iram_v_2((struct iram_table_v_2 *)ram_table, params);
+
+ result = dmcu->funcs->load_iram(
+ dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2);
+
+ if (result)
+ result = dmcu->funcs->load_iram(
+ dmcu, IRAM_RESERVE_AREA_END_V2 + 1,
+ (char *)(&ram_table) + IRAM_RESERVE_AREA_END_V2 + 1,
+ sizeof(ram_table) - IRAM_RESERVE_AREA_END_V2 - 1);
+ }
+
+ return result;
+}
+
+/*
+ * is_psr_su_specific_panel() - check if sink is AMD vendor-specific PSR-SU
+ * supported eDP device.
+ *
+ * @link: dc link pointer
+ *
+ * Return: true if AMDGPU vendor specific PSR-SU eDP panel
+ */
+bool is_psr_su_specific_panel(struct dc_link *link)
+{
+ bool isPSRSUSupported = false;
+ struct dpcd_caps *dpcd_caps = &link->dpcd_caps;
+
+ if (dpcd_caps->edp_rev >= DP_EDP_14) {
+ if (dpcd_caps->psr_info.psr_version >= DP_PSR2_WITH_Y_COORD_ET_SUPPORTED)
+ isPSRSUSupported = true;
+ /*
+ * Some panels will report PSR capabilities over additional DPCD bits.
+ * Such panels are approved despite reporting only PSR v3, as long as
+ * the additional bits are reported.
+ */
+ if (dpcd_caps->sink_dev_id == DP_BRANCH_DEVICE_ID_001CF8) {
+ /*
+ * This is the temporary workaround to disable PSRSU when system turned on
+ * DSC function on the sepcific sink.
+ */
+ if (dpcd_caps->psr_info.psr_version < DP_PSR2_WITH_Y_COORD_IS_SUPPORTED)
+ isPSRSUSupported = false;
+ else if (dpcd_caps->dsc_caps.dsc_basic_caps.fields.dsc_support.DSC_SUPPORT &&
+ ((dpcd_caps->sink_dev_id_str[1] == 0x08 && dpcd_caps->sink_dev_id_str[0] == 0x08) ||
+ (dpcd_caps->sink_dev_id_str[1] == 0x08 && dpcd_caps->sink_dev_id_str[0] == 0x07)))
+ isPSRSUSupported = false;
+ else if (dpcd_caps->sink_dev_id_str[1] == 0x08 && dpcd_caps->sink_dev_id_str[0] == 0x03)
+ isPSRSUSupported = false;
+ else if (dpcd_caps->sink_dev_id_str[1] == 0x08 && dpcd_caps->sink_dev_id_str[0] == 0x03)
+ isPSRSUSupported = false;
+ else if (dpcd_caps->psr_info.force_psrsu_cap == 0x1)
+ isPSRSUSupported = true;
+ }
+ }
+
+ return isPSRSUSupported;
+}
+
+/**
+ * mod_power_calc_psr_configs() - calculate/update generic psr configuration fields.
+ * @psr_config: [output], psr configuration structure to be updated
+ * @link: [input] dc link pointer
+ * @stream: [input] dc stream state pointer
+ *
+ * calculate and update the psr configuration fields that are not DM specific, i.e. such
+ * fields which are based on DPCD caps or timing information. To setup PSR in DMUB FW,
+ * this helper is assumed to be called before the call of the DC helper dc_link_setup_psr().
+ *
+ * PSR config fields to be updated within the helper:
+ * - psr_rfb_setup_time
+ * - psr_sdp_transmit_line_num_deadline
+ * - line_time_in_us
+ * - su_y_granularity
+ * - su_granularity_required
+ * - psr_frame_capture_indication_req
+ * - psr_exit_link_training_required
+ *
+ * PSR config fields that are DM specific and NOT updated within the helper:
+ * - allow_smu_optimizations
+ * - allow_multi_disp_optimizations
+ */
+void mod_power_calc_psr_configs(struct psr_config *psr_config,
+ struct dc_link *link,
+ const struct dc_stream_state *stream)
+{
+ unsigned int num_vblank_lines = 0;
+ unsigned int vblank_time_in_us = 0;
+ unsigned int sdp_tx_deadline_in_us = 0;
+ unsigned int line_time_in_us = 0;
+ struct dpcd_caps *dpcd_caps = &link->dpcd_caps;
+ const int psr_setup_time_step_in_us = 55; /* refer to eDP spec DPCD 0x071h */
+
+ /* timing parameters */
+ num_vblank_lines = stream->timing.v_total -
+ stream->timing.v_addressable -
+ stream->timing.v_border_top -
+ stream->timing.v_border_bottom;
+
+ vblank_time_in_us = (stream->timing.h_total * num_vblank_lines * 1000) / (stream->timing.pix_clk_100hz / 10);
+
+ line_time_in_us = ((stream->timing.h_total * 1000) / (stream->timing.pix_clk_100hz / 10)) + 1;
+
+ /**
+ * psr configuration fields
+ *
+ * as per eDP 1.5 pg. 377 of 459, DPCD 0x071h bits [3:1], psr setup time bits interpreted as below
+ * 000b <--> 330 us (default)
+ * 001b <--> 275 us
+ * 010b <--> 220 us
+ * 011b <--> 165 us
+ * 100b <--> 110 us
+ * 101b <--> 055 us
+ * 110b <--> 000 us
+ */
+ psr_config->psr_rfb_setup_time =
+ (6 - dpcd_caps->psr_info.psr_dpcd_caps.bits.PSR_SETUP_TIME) * psr_setup_time_step_in_us;
+
+ if (psr_config->psr_rfb_setup_time > vblank_time_in_us) {
+ link->psr_settings.psr_frame_capture_indication_req = true;
+ link->psr_settings.psr_sdp_transmit_line_num_deadline = num_vblank_lines;
+ } else {
+ sdp_tx_deadline_in_us = vblank_time_in_us - psr_config->psr_rfb_setup_time;
+
+ /* Set the last possible line SDP may be transmitted without violating the RFB setup time */
+ link->psr_settings.psr_frame_capture_indication_req = false;
+ link->psr_settings.psr_sdp_transmit_line_num_deadline = sdp_tx_deadline_in_us / line_time_in_us;
+ }
+
+ psr_config->psr_sdp_transmit_line_num_deadline = link->psr_settings.psr_sdp_transmit_line_num_deadline;
+ psr_config->line_time_in_us = line_time_in_us;
+ psr_config->su_y_granularity = dpcd_caps->psr_info.psr2_su_y_granularity_cap;
+ psr_config->su_granularity_required = dpcd_caps->psr_info.psr_dpcd_caps.bits.SU_GRANULARITY_REQUIRED;
+ psr_config->psr_frame_capture_indication_req = link->psr_settings.psr_frame_capture_indication_req;
+ psr_config->psr_exit_link_training_required =
+ !link->dpcd_caps.psr_info.psr_dpcd_caps.bits.LINK_TRAINING_ON_EXIT_NOT_REQUIRED;
+}
+
+bool mod_power_only_edp(const struct dc_state *context, const struct dc_stream_state *stream)
+{
+ return context && context->stream_count == 1 && dc_is_embedded_signal(stream->signal);
+}
+
+bool psr_su_set_y_granularity(struct dc *dc, struct dc_link *link,
+ struct dc_stream_state *stream,
+ struct psr_config *config)
+{
+ uint16_t pic_height;
+ uint8_t slice_height;
+
+ if ((link->connector_signal & SIGNAL_TYPE_EDP) &&
+ (!dc->caps.edp_dsc_support ||
+ link->panel_config.dsc.disable_dsc_edp ||
+ !link->dpcd_caps.dsc_caps.dsc_basic_caps.fields.dsc_support.DSC_SUPPORT ||
+ !stream->timing.dsc_cfg.num_slices_v))
+ return true;
+
+ pic_height = stream->timing.v_addressable +
+ stream->timing.v_border_top + stream->timing.v_border_bottom;
+
+ if (stream->timing.dsc_cfg.num_slices_v == 0)
+ return false;
+
+ slice_height = pic_height / stream->timing.dsc_cfg.num_slices_v;
+
+ if (slice_height) {
+ if (config->su_y_granularity &&
+ (slice_height % config->su_y_granularity)) {
+ ASSERT(0);
+ return false;
+ }
+
+ config->su_y_granularity = slice_height;
+ }
+
+ return true;
+}
diff --git a/drivers/gpu/drm/amd/display/modules/power/power_helpers.h b/drivers/gpu/drm/amd/display/modules/power/power_helpers.h
new file mode 100644
index 000000000..bb16b37b8
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/power/power_helpers.h
@@ -0,0 +1,65 @@
+/* Copyright 2018 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef MODULES_POWER_POWER_HELPERS_H_
+#define MODULES_POWER_POWER_HELPERS_H_
+
+#include "dc/inc/hw/dmcu.h"
+#include "dc/inc/hw/abm.h"
+#include "dc/inc/core_types.h"
+
+struct resource_pool;
+
+
+enum abm_defines {
+ abm_defines_max_level = 4,
+ abm_defines_max_config = 4,
+};
+
+struct dmcu_iram_parameters {
+ unsigned int *backlight_lut_array;
+ unsigned int backlight_lut_array_size;
+ bool backlight_ramping_override;
+ unsigned int backlight_ramping_reduction;
+ unsigned int backlight_ramping_start;
+ unsigned int min_abm_backlight;
+ unsigned int set;
+};
+
+bool dmcu_load_iram(struct dmcu *dmcu,
+ struct dmcu_iram_parameters params);
+bool dmub_init_abm_config(struct resource_pool *res_pool,
+ struct dmcu_iram_parameters params,
+ unsigned int inst);
+
+bool is_psr_su_specific_panel(struct dc_link *link);
+void mod_power_calc_psr_configs(struct psr_config *psr_config,
+ struct dc_link *link,
+ const struct dc_stream_state *stream);
+bool mod_power_only_edp(const struct dc_state *context,
+ const struct dc_stream_state *stream);
+bool psr_su_set_y_granularity(struct dc *dc, struct dc_link *link,
+ struct dc_stream_state *stream,
+ struct psr_config *config);
+#endif /* MODULES_POWER_POWER_HELPERS_H_ */
diff --git a/drivers/gpu/drm/amd/display/modules/vmid/vmid.c b/drivers/gpu/drm/amd/display/modules/vmid/vmid.c
new file mode 100644
index 000000000..2c40212d8
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/vmid/vmid.c
@@ -0,0 +1,174 @@
+/*
+ * Copyright 2019 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "mod_vmid.h"
+
+struct core_vmid {
+ struct mod_vmid public;
+ struct dc *dc;
+
+ unsigned int num_vmid;
+ unsigned int num_vmids_available;
+ uint64_t ptb_assigned_to_vmid[MAX_VMID];
+ struct dc_virtual_addr_space_config base_config;
+};
+
+#define MOD_VMID_TO_CORE(mod_vmid)\
+ container_of(mod_vmid, struct core_vmid, public)
+
+static void add_ptb_to_table(struct core_vmid *core_vmid, unsigned int vmid, uint64_t ptb)
+{
+ if (vmid < MAX_VMID) {
+ core_vmid->ptb_assigned_to_vmid[vmid] = ptb;
+ core_vmid->num_vmids_available--;
+ }
+}
+
+static void clear_entry_from_vmid_table(struct core_vmid *core_vmid, unsigned int vmid)
+{
+ if (vmid < MAX_VMID) {
+ core_vmid->ptb_assigned_to_vmid[vmid] = 0;
+ core_vmid->num_vmids_available++;
+ }
+}
+
+static void evict_vmids(struct core_vmid *core_vmid)
+{
+ int i;
+ uint16_t ord = dc_get_vmid_use_vector(core_vmid->dc);
+
+ // At this point any positions with value 0 are unused vmids, evict them
+ for (i = 1; i < core_vmid->num_vmid; i++) {
+ if (!(ord & (1u << i)))
+ clear_entry_from_vmid_table(core_vmid, i);
+ }
+}
+
+// Return value of -1 indicates vmid table uninitialized or ptb dne in the table
+static int get_existing_vmid_for_ptb(struct core_vmid *core_vmid, uint64_t ptb)
+{
+ int i;
+
+ for (i = 0; i < core_vmid->num_vmid; i++) {
+ if (core_vmid->ptb_assigned_to_vmid[i] == ptb)
+ return i;
+ }
+
+ return -1;
+}
+
+// Expected to be called only when there's an available vmid
+static int get_next_available_vmid(struct core_vmid *core_vmid)
+{
+ int i;
+
+ for (i = 1; i < core_vmid->num_vmid; i++) {
+ if (core_vmid->ptb_assigned_to_vmid[i] == 0)
+ return i;
+ }
+
+ return -1;
+}
+
+uint8_t mod_vmid_get_for_ptb(struct mod_vmid *mod_vmid, uint64_t ptb)
+{
+ struct core_vmid *core_vmid = MOD_VMID_TO_CORE(mod_vmid);
+ int vmid = 0;
+
+ // Physical address gets vmid 0
+ if (ptb == 0)
+ return 0;
+
+ vmid = get_existing_vmid_for_ptb(core_vmid, ptb);
+
+ if (vmid == -1) {
+ struct dc_virtual_addr_space_config va_config = core_vmid->base_config;
+
+ va_config.page_table_base_addr = ptb;
+
+ if (core_vmid->num_vmids_available == 0)
+ evict_vmids(core_vmid);
+
+ vmid = get_next_available_vmid(core_vmid);
+ if (vmid != -1) {
+ add_ptb_to_table(core_vmid, vmid, ptb);
+
+ dc_setup_vm_context(core_vmid->dc, &va_config, vmid);
+ } else
+ ASSERT(0);
+ }
+
+ return vmid;
+}
+
+void mod_vmid_reset(struct mod_vmid *mod_vmid)
+{
+ struct core_vmid *core_vmid = MOD_VMID_TO_CORE(mod_vmid);
+
+ core_vmid->num_vmids_available = core_vmid->num_vmid - 1;
+ memset(core_vmid->ptb_assigned_to_vmid, 0, sizeof(core_vmid->ptb_assigned_to_vmid[0]) * MAX_VMID);
+}
+
+struct mod_vmid *mod_vmid_create(
+ struct dc *dc,
+ unsigned int num_vmid,
+ struct dc_virtual_addr_space_config *va_config)
+{
+ struct core_vmid *core_vmid;
+
+ if (num_vmid <= 1)
+ goto fail_no_vm_ctx;
+
+ if (dc == NULL)
+ goto fail_dc_null;
+
+ core_vmid = kzalloc(sizeof(struct core_vmid), GFP_KERNEL);
+
+ if (core_vmid == NULL)
+ goto fail_alloc_context;
+
+ core_vmid->dc = dc;
+ core_vmid->num_vmid = num_vmid;
+ core_vmid->num_vmids_available = num_vmid - 1;
+ core_vmid->base_config = *va_config;
+
+ memset(core_vmid->ptb_assigned_to_vmid, 0, sizeof(core_vmid->ptb_assigned_to_vmid[0]) * MAX_VMID);
+
+ return &core_vmid->public;
+
+fail_no_vm_ctx:
+fail_alloc_context:
+fail_dc_null:
+ return NULL;
+}
+
+void mod_vmid_destroy(struct mod_vmid *mod_vmid)
+{
+ if (mod_vmid != NULL) {
+ struct core_vmid *core_vmid = MOD_VMID_TO_CORE(mod_vmid);
+
+ kfree(core_vmid);
+ }
+}