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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/include/link_service_types.h
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/include/link_service_types.h')
-rw-r--r--drivers/gpu/drm/amd/display/include/link_service_types.h274
1 files changed, 274 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/include/link_service_types.h b/drivers/gpu/drm/amd/display/include/link_service_types.h
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+++ b/drivers/gpu/drm/amd/display/include/link_service_types.h
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+/*
+ * Copyright 2012-15 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 __DAL_LINK_SERVICE_TYPES_H__
+#define __DAL_LINK_SERVICE_TYPES_H__
+
+#include "grph_object_id.h"
+#include "dal_types.h"
+#include "irq_types.h"
+
+/*struct mst_mgr_callback_object;*/
+struct ddc;
+struct irq_manager;
+
+enum {
+ MAX_CONTROLLER_NUM = 6
+};
+
+enum dp_power_state {
+ DP_POWER_STATE_D0 = 1,
+ DP_POWER_STATE_D3
+};
+
+enum edp_revision {
+ /* eDP version 1.1 or lower */
+ EDP_REVISION_11 = 0x00,
+ /* eDP version 1.2 */
+ EDP_REVISION_12 = 0x01,
+ /* eDP version 1.3 */
+ EDP_REVISION_13 = 0x02
+};
+
+enum {
+ LINK_RATE_REF_FREQ_IN_KHZ = 27000, /*27MHz*/
+ BITS_PER_DP_BYTE = 10,
+ DATA_EFFICIENCY_8b_10b_x10000 = 8000, /* 80% data efficiency */
+ DATA_EFFICIENCY_8b_10b_FEC_EFFICIENCY_x100 = 97, /* 97% data efficiency when FEC is enabled */
+ DATA_EFFICIENCY_128b_132b_x10000 = 9646, /* 96.71% data efficiency x 99.75% downspread factor */
+};
+
+enum link_training_result {
+ LINK_TRAINING_SUCCESS,
+ LINK_TRAINING_CR_FAIL_LANE0,
+ LINK_TRAINING_CR_FAIL_LANE1,
+ LINK_TRAINING_CR_FAIL_LANE23,
+ /* CR DONE bit is cleared during EQ step */
+ LINK_TRAINING_EQ_FAIL_CR,
+ /* CR DONE bit is cleared but LANE0_CR_DONE is set during EQ step */
+ LINK_TRAINING_EQ_FAIL_CR_PARTIAL,
+ /* other failure during EQ step */
+ LINK_TRAINING_EQ_FAIL_EQ,
+ LINK_TRAINING_LQA_FAIL,
+ /* one of the CR,EQ or symbol lock is dropped */
+ LINK_TRAINING_LINK_LOSS,
+ /* Abort link training (because sink unplugged) */
+ LINK_TRAINING_ABORT,
+ DP_128b_132b_LT_FAILED,
+ DP_128b_132b_MAX_LOOP_COUNT_REACHED,
+ DP_128b_132b_CHANNEL_EQ_DONE_TIMEOUT,
+ DP_128b_132b_CDS_DONE_TIMEOUT,
+};
+
+enum lttpr_mode {
+ LTTPR_MODE_UNKNOWN,
+ LTTPR_MODE_NON_LTTPR,
+ LTTPR_MODE_TRANSPARENT,
+ LTTPR_MODE_NON_TRANSPARENT,
+};
+
+struct link_training_settings {
+ struct dc_link_settings link_settings;
+
+ /* TODO: turn lane settings below into mandatory fields
+ * as initial lane configuration
+ */
+ enum dc_voltage_swing *voltage_swing;
+ enum dc_pre_emphasis *pre_emphasis;
+ enum dc_post_cursor2 *post_cursor2;
+ bool should_set_fec_ready;
+ /* TODO - factor lane_settings out because it changes during LT */
+ union dc_dp_ffe_preset *ffe_preset;
+
+ uint16_t cr_pattern_time;
+ uint16_t eq_pattern_time;
+ uint16_t cds_pattern_time;
+ enum dc_dp_training_pattern pattern_for_cr;
+ enum dc_dp_training_pattern pattern_for_eq;
+ enum dc_dp_training_pattern pattern_for_cds;
+
+ uint32_t eq_wait_time_limit;
+ uint8_t eq_loop_count_limit;
+ uint32_t cds_wait_time_limit;
+
+ bool enhanced_framing;
+ enum lttpr_mode lttpr_mode;
+
+ /* disallow different lanes to have different lane settings */
+ bool disallow_per_lane_settings;
+ /* dpcd lane settings will always use the same hw lane settings
+ * even if it doesn't match requested lane adjust */
+ bool always_match_dpcd_with_hw_lane_settings;
+
+ /*****************************************************************
+ * training states - parameters that can change in link training
+ *****************************************************************/
+ /* TODO: Move hw_lane_settings and dpcd_lane_settings
+ * along with lane adjust, lane align, offset and all
+ * other training states into a new structure called
+ * training states, so link_training_settings becomes
+ * a constant input pre-decided prior to link training.
+ *
+ * The goal is to strictly decouple link training settings
+ * decision making process from link training states to
+ * prevent it from messy code practice of changing training
+ * decision on the fly.
+ */
+ struct dc_lane_settings hw_lane_settings[LANE_COUNT_DP_MAX];
+ union dpcd_training_lane dpcd_lane_settings[LANE_COUNT_DP_MAX];
+};
+
+/*TODO: Move this enum test harness*/
+/* Test patterns*/
+enum dp_test_pattern {
+ /* Input data is pass through Scrambler
+ * and 8b10b Encoder straight to output*/
+ DP_TEST_PATTERN_VIDEO_MODE = 0,
+
+ /* phy test patterns*/
+ DP_TEST_PATTERN_PHY_PATTERN_BEGIN,
+ DP_TEST_PATTERN_D102 = DP_TEST_PATTERN_PHY_PATTERN_BEGIN,
+ DP_TEST_PATTERN_SYMBOL_ERROR,
+ DP_TEST_PATTERN_PRBS7,
+ DP_TEST_PATTERN_80BIT_CUSTOM,
+ DP_TEST_PATTERN_CP2520_1,
+ DP_TEST_PATTERN_CP2520_2,
+ DP_TEST_PATTERN_HBR2_COMPLIANCE_EYE = DP_TEST_PATTERN_CP2520_2,
+ DP_TEST_PATTERN_CP2520_3,
+ DP_TEST_PATTERN_128b_132b_TPS1,
+ DP_TEST_PATTERN_128b_132b_TPS2,
+ DP_TEST_PATTERN_PRBS9,
+ DP_TEST_PATTERN_PRBS11,
+ DP_TEST_PATTERN_PRBS15,
+ DP_TEST_PATTERN_PRBS23,
+ DP_TEST_PATTERN_PRBS31,
+ DP_TEST_PATTERN_264BIT_CUSTOM,
+ DP_TEST_PATTERN_SQUARE_PULSE,
+
+ /* Link Training Patterns */
+ DP_TEST_PATTERN_TRAINING_PATTERN1,
+ DP_TEST_PATTERN_TRAINING_PATTERN2,
+ DP_TEST_PATTERN_TRAINING_PATTERN3,
+ DP_TEST_PATTERN_TRAINING_PATTERN4,
+ DP_TEST_PATTERN_128b_132b_TPS1_TRAINING_MODE,
+ DP_TEST_PATTERN_128b_132b_TPS2_TRAINING_MODE,
+ DP_TEST_PATTERN_PHY_PATTERN_END = DP_TEST_PATTERN_128b_132b_TPS2_TRAINING_MODE,
+
+ /* link test patterns*/
+ DP_TEST_PATTERN_COLOR_SQUARES,
+ DP_TEST_PATTERN_COLOR_SQUARES_CEA,
+ DP_TEST_PATTERN_VERTICAL_BARS,
+ DP_TEST_PATTERN_HORIZONTAL_BARS,
+ DP_TEST_PATTERN_COLOR_RAMP,
+
+ /* audio test patterns*/
+ DP_TEST_PATTERN_AUDIO_OPERATOR_DEFINED,
+ DP_TEST_PATTERN_AUDIO_SAWTOOTH,
+
+ DP_TEST_PATTERN_UNSUPPORTED
+};
+
+enum dp_test_pattern_color_space {
+ DP_TEST_PATTERN_COLOR_SPACE_RGB,
+ DP_TEST_PATTERN_COLOR_SPACE_YCBCR601,
+ DP_TEST_PATTERN_COLOR_SPACE_YCBCR709,
+ DP_TEST_PATTERN_COLOR_SPACE_UNDEFINED
+};
+
+enum dp_panel_mode {
+ /* not required */
+ DP_PANEL_MODE_DEFAULT,
+ /* standard mode for eDP */
+ DP_PANEL_MODE_EDP,
+ /* external chips specific settings */
+ DP_PANEL_MODE_SPECIAL
+};
+
+enum dpcd_source_sequence {
+ DPCD_SOURCE_SEQ_AFTER_CONNECT_DIG_FE_OTG = 1, /*done in apply_single_controller_ctx_to_hw */
+ DPCD_SOURCE_SEQ_AFTER_DP_STREAM_ATTR, /*done in core_link_enable_stream */
+ DPCD_SOURCE_SEQ_AFTER_UPDATE_INFO_FRAME, /*done in core_link_enable_stream/dcn20_enable_stream */
+ DPCD_SOURCE_SEQ_AFTER_CONNECT_DIG_FE_BE, /*done in perform_link_training_with_retries/dcn20_enable_stream */
+ DPCD_SOURCE_SEQ_AFTER_ENABLE_LINK_PHY, /*done in dp_enable_link_phy */
+ DPCD_SOURCE_SEQ_AFTER_SET_SOURCE_PATTERN, /*done in dp_set_hw_test_pattern */
+ DPCD_SOURCE_SEQ_AFTER_ENABLE_AUDIO_STREAM, /*done in dce110_enable_audio_stream */
+ DPCD_SOURCE_SEQ_AFTER_ENABLE_DP_VID_STREAM, /*done in enc1_stream_encoder_dp_unblank */
+ DPCD_SOURCE_SEQ_AFTER_DISABLE_DP_VID_STREAM, /*done in enc1_stream_encoder_dp_blank */
+ DPCD_SOURCE_SEQ_AFTER_FIFO_STEER_RESET, /*done in enc1_stream_encoder_dp_blank */
+ DPCD_SOURCE_SEQ_AFTER_DISABLE_AUDIO_STREAM, /*done in dce110_disable_audio_stream */
+ DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY, /*done in dp_disable_link_phy */
+ DPCD_SOURCE_SEQ_AFTER_DISCONNECT_DIG_FE_BE, /*done in dce110_disable_stream */
+};
+
+/* DPCD_ADDR_TRAINING_LANEx_SET registers value */
+union dpcd_training_lane_set {
+ struct {
+#if defined(LITTLEENDIAN_CPU)
+ uint8_t VOLTAGE_SWING_SET:2;
+ uint8_t MAX_SWING_REACHED:1;
+ uint8_t PRE_EMPHASIS_SET:2;
+ uint8_t MAX_PRE_EMPHASIS_REACHED:1;
+ /* following is reserved in DP 1.1 */
+ uint8_t POST_CURSOR2_SET:2;
+#elif defined(BIGENDIAN_CPU)
+ uint8_t POST_CURSOR2_SET:2;
+ uint8_t MAX_PRE_EMPHASIS_REACHED:1;
+ uint8_t PRE_EMPHASIS_SET:2;
+ uint8_t MAX_SWING_REACHED:1;
+ uint8_t VOLTAGE_SWING_SET:2;
+#else
+ #error ARCH not defined!
+#endif
+ } bits;
+
+ uint8_t raw;
+};
+
+
+/* AMD's copy of various payload data for MST. We have two copies of the payload table (one in DRM,
+ * one in DC) since DRM's MST helpers can't be accessed here. This stream allocation table should
+ * _ONLY_ be filled out from DM and then passed to DC, do NOT use these for _any_ kind of atomic
+ * state calculations in DM, or you will break something.
+ */
+
+struct drm_dp_mst_port;
+
+/* DP MST stream allocation (payload bandwidth number) */
+struct dc_dp_mst_stream_allocation {
+ uint8_t vcp_id;
+ /* number of slots required for the DP stream in
+ * transport packet */
+ uint8_t slot_count;
+};
+
+/* DP MST stream allocation table */
+struct dc_dp_mst_stream_allocation_table {
+ /* number of DP video streams */
+ int stream_count;
+ /* array of stream allocations */
+ struct dc_dp_mst_stream_allocation stream_allocations[MAX_CONTROLLER_NUM];
+};
+
+#endif /*__DAL_LINK_SERVICE_TYPES_H__*/