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path: root/drivers/gpu/drm/meson/meson_overlay.c
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-rw-r--r--drivers/gpu/drm/meson/meson_overlay.c866
1 files changed, 866 insertions, 0 deletions
diff --git a/drivers/gpu/drm/meson/meson_overlay.c b/drivers/gpu/drm/meson/meson_overlay.c
new file mode 100644
index 0000000000..7f98de3884
--- /dev/null
+++ b/drivers/gpu/drm/meson/meson_overlay.c
@@ -0,0 +1,866 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 BayLibre, SAS
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ * Copyright (C) 2015 Amlogic, Inc. All rights reserved.
+ */
+
+#include <linux/bitfield.h>
+
+#include <drm/drm_atomic.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_blend.h>
+#include <drm/drm_device.h>
+#include <drm/drm_fb_dma_helper.h>
+#include <drm/drm_fourcc.h>
+#include <drm/drm_framebuffer.h>
+#include <drm/drm_gem_atomic_helper.h>
+#include <drm/drm_gem_dma_helper.h>
+
+#include "meson_overlay.h"
+#include "meson_registers.h"
+#include "meson_viu.h"
+#include "meson_vpp.h"
+
+/* VD1_IF0_GEN_REG */
+#define VD_URGENT_CHROMA BIT(28)
+#define VD_URGENT_LUMA BIT(27)
+#define VD_HOLD_LINES(lines) FIELD_PREP(GENMASK(24, 19), lines)
+#define VD_DEMUX_MODE_RGB BIT(16)
+#define VD_BYTES_PER_PIXEL(val) FIELD_PREP(GENMASK(15, 14), val)
+#define VD_CHRO_RPT_LASTL_CTRL BIT(6)
+#define VD_LITTLE_ENDIAN BIT(4)
+#define VD_SEPARATE_EN BIT(1)
+#define VD_ENABLE BIT(0)
+
+/* VD1_IF0_CANVAS0 */
+#define CANVAS_ADDR2(addr) FIELD_PREP(GENMASK(23, 16), addr)
+#define CANVAS_ADDR1(addr) FIELD_PREP(GENMASK(15, 8), addr)
+#define CANVAS_ADDR0(addr) FIELD_PREP(GENMASK(7, 0), addr)
+
+/* VD1_IF0_LUMA_X0 VD1_IF0_CHROMA_X0 */
+#define VD_X_START(value) FIELD_PREP(GENMASK(14, 0), value)
+#define VD_X_END(value) FIELD_PREP(GENMASK(30, 16), value)
+
+/* VD1_IF0_LUMA_Y0 VD1_IF0_CHROMA_Y0 */
+#define VD_Y_START(value) FIELD_PREP(GENMASK(12, 0), value)
+#define VD_Y_END(value) FIELD_PREP(GENMASK(28, 16), value)
+
+/* VD1_IF0_GEN_REG2 */
+#define VD_COLOR_MAP(value) FIELD_PREP(GENMASK(1, 0), value)
+
+/* VIU_VD1_FMT_CTRL */
+#define VD_HORZ_Y_C_RATIO(value) FIELD_PREP(GENMASK(22, 21), value)
+#define VD_HORZ_FMT_EN BIT(20)
+#define VD_VERT_RPT_LINE0 BIT(16)
+#define VD_VERT_INITIAL_PHASE(value) FIELD_PREP(GENMASK(11, 8), value)
+#define VD_VERT_PHASE_STEP(value) FIELD_PREP(GENMASK(7, 1), value)
+#define VD_VERT_FMT_EN BIT(0)
+
+/* VPP_POSTBLEND_VD1_H_START_END */
+#define VD_H_END(value) FIELD_PREP(GENMASK(11, 0), value)
+#define VD_H_START(value) FIELD_PREP(GENMASK(27, 16), \
+ ((value) & GENMASK(13, 0)))
+
+/* VPP_POSTBLEND_VD1_V_START_END */
+#define VD_V_END(value) FIELD_PREP(GENMASK(11, 0), value)
+#define VD_V_START(value) FIELD_PREP(GENMASK(27, 16), value)
+
+/* VPP_BLEND_VD2_V_START_END */
+#define VD2_V_END(value) FIELD_PREP(GENMASK(11, 0), value)
+#define VD2_V_START(value) FIELD_PREP(GENMASK(27, 16), value)
+
+/* VIU_VD1_FMT_W */
+#define VD_V_WIDTH(value) FIELD_PREP(GENMASK(11, 0), value)
+#define VD_H_WIDTH(value) FIELD_PREP(GENMASK(27, 16), value)
+
+/* VPP_HSC_REGION12_STARTP VPP_HSC_REGION34_STARTP */
+#define VD_REGION24_START(value) FIELD_PREP(GENMASK(11, 0), value)
+#define VD_REGION13_END(value) FIELD_PREP(GENMASK(27, 16), value)
+
+/* AFBC_ENABLE */
+#define AFBC_DEC_ENABLE BIT(8)
+#define AFBC_FRM_START BIT(0)
+
+/* AFBC_MODE */
+#define AFBC_HORZ_SKIP_UV(value) FIELD_PREP(GENMASK(1, 0), value)
+#define AFBC_VERT_SKIP_UV(value) FIELD_PREP(GENMASK(3, 2), value)
+#define AFBC_HORZ_SKIP_Y(value) FIELD_PREP(GENMASK(5, 4), value)
+#define AFBC_VERT_SKIP_Y(value) FIELD_PREP(GENMASK(7, 6), value)
+#define AFBC_COMPBITS_YUV(value) FIELD_PREP(GENMASK(13, 8), value)
+#define AFBC_COMPBITS_8BIT 0
+#define AFBC_COMPBITS_10BIT (2 | (2 << 2) | (2 << 4))
+#define AFBC_BURST_LEN(value) FIELD_PREP(GENMASK(15, 14), value)
+#define AFBC_HOLD_LINE_NUM(value) FIELD_PREP(GENMASK(22, 16), value)
+#define AFBC_MIF_URGENT(value) FIELD_PREP(GENMASK(25, 24), value)
+#define AFBC_REV_MODE(value) FIELD_PREP(GENMASK(27, 26), value)
+#define AFBC_BLK_MEM_MODE BIT(28)
+#define AFBC_SCATTER_MODE BIT(29)
+#define AFBC_SOFT_RESET BIT(31)
+
+/* AFBC_SIZE_IN */
+#define AFBC_HSIZE_IN(value) FIELD_PREP(GENMASK(28, 16), value)
+#define AFBC_VSIZE_IN(value) FIELD_PREP(GENMASK(12, 0), value)
+
+/* AFBC_DEC_DEF_COLOR */
+#define AFBC_DEF_COLOR_Y(value) FIELD_PREP(GENMASK(29, 20), value)
+#define AFBC_DEF_COLOR_U(value) FIELD_PREP(GENMASK(19, 10), value)
+#define AFBC_DEF_COLOR_V(value) FIELD_PREP(GENMASK(9, 0), value)
+
+/* AFBC_CONV_CTRL */
+#define AFBC_CONV_LBUF_LEN(value) FIELD_PREP(GENMASK(11, 0), value)
+
+/* AFBC_LBUF_DEPTH */
+#define AFBC_DEC_LBUF_DEPTH(value) FIELD_PREP(GENMASK(27, 16), value)
+#define AFBC_MIF_LBUF_DEPTH(value) FIELD_PREP(GENMASK(11, 0), value)
+
+/* AFBC_OUT_XSCOPE/AFBC_SIZE_OUT */
+#define AFBC_HSIZE_OUT(value) FIELD_PREP(GENMASK(28, 16), value)
+#define AFBC_VSIZE_OUT(value) FIELD_PREP(GENMASK(12, 0), value)
+#define AFBC_OUT_HORZ_BGN(value) FIELD_PREP(GENMASK(28, 16), value)
+#define AFBC_OUT_HORZ_END(value) FIELD_PREP(GENMASK(12, 0), value)
+
+/* AFBC_OUT_YSCOPE */
+#define AFBC_OUT_VERT_BGN(value) FIELD_PREP(GENMASK(28, 16), value)
+#define AFBC_OUT_VERT_END(value) FIELD_PREP(GENMASK(12, 0), value)
+
+/* AFBC_VD_CFMT_CTRL */
+#define AFBC_HORZ_RPT_PIXEL0 BIT(23)
+#define AFBC_HORZ_Y_C_RATIO(value) FIELD_PREP(GENMASK(22, 21), value)
+#define AFBC_HORZ_FMT_EN BIT(20)
+#define AFBC_VERT_RPT_LINE0 BIT(16)
+#define AFBC_VERT_INITIAL_PHASE(value) FIELD_PREP(GENMASK(11, 8), value)
+#define AFBC_VERT_PHASE_STEP(value) FIELD_PREP(GENMASK(7, 1), value)
+#define AFBC_VERT_FMT_EN BIT(0)
+
+/* AFBC_VD_CFMT_W */
+#define AFBC_VD_V_WIDTH(value) FIELD_PREP(GENMASK(11, 0), value)
+#define AFBC_VD_H_WIDTH(value) FIELD_PREP(GENMASK(27, 16), value)
+
+/* AFBC_MIF_HOR_SCOPE */
+#define AFBC_MIF_BLK_BGN_H(value) FIELD_PREP(GENMASK(25, 16), value)
+#define AFBC_MIF_BLK_END_H(value) FIELD_PREP(GENMASK(9, 0), value)
+
+/* AFBC_MIF_VER_SCOPE */
+#define AFBC_MIF_BLK_BGN_V(value) FIELD_PREP(GENMASK(27, 16), value)
+#define AFBC_MIF_BLK_END_V(value) FIELD_PREP(GENMASK(11, 0), value)
+
+/* AFBC_PIXEL_HOR_SCOPE */
+#define AFBC_DEC_PIXEL_BGN_H(value) FIELD_PREP(GENMASK(28, 16), \
+ ((value) & GENMASK(12, 0)))
+#define AFBC_DEC_PIXEL_END_H(value) FIELD_PREP(GENMASK(12, 0), value)
+
+/* AFBC_PIXEL_VER_SCOPE */
+#define AFBC_DEC_PIXEL_BGN_V(value) FIELD_PREP(GENMASK(28, 16), value)
+#define AFBC_DEC_PIXEL_END_V(value) FIELD_PREP(GENMASK(12, 0), value)
+
+/* AFBC_VD_CFMT_H */
+#define AFBC_VD_HEIGHT(value) FIELD_PREP(GENMASK(12, 0), value)
+
+struct meson_overlay {
+ struct drm_plane base;
+ struct meson_drm *priv;
+};
+#define to_meson_overlay(x) container_of(x, struct meson_overlay, base)
+
+#define FRAC_16_16(mult, div) (((mult) << 16) / (div))
+
+static int meson_overlay_atomic_check(struct drm_plane *plane,
+ struct drm_atomic_state *state)
+{
+ struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
+ plane);
+ struct drm_crtc_state *crtc_state;
+
+ if (!new_plane_state->crtc)
+ return 0;
+
+ crtc_state = drm_atomic_get_crtc_state(state,
+ new_plane_state->crtc);
+ if (IS_ERR(crtc_state))
+ return PTR_ERR(crtc_state);
+
+ return drm_atomic_helper_check_plane_state(new_plane_state,
+ crtc_state,
+ FRAC_16_16(1, 5),
+ FRAC_16_16(5, 1),
+ true, true);
+}
+
+/* Takes a fixed 16.16 number and converts it to integer. */
+static inline int64_t fixed16_to_int(int64_t value)
+{
+ return value >> 16;
+}
+
+static const uint8_t skip_tab[6] = {
+ 0x24, 0x04, 0x68, 0x48, 0x28, 0x08,
+};
+
+static void meson_overlay_get_vertical_phase(unsigned int ratio_y, int *phase,
+ int *repeat, bool interlace)
+{
+ int offset_in = 0;
+ int offset_out = 0;
+ int repeat_skip = 0;
+
+ if (!interlace && ratio_y > (1 << 18))
+ offset_out = (1 * ratio_y) >> 10;
+
+ while ((offset_in + (4 << 8)) <= offset_out) {
+ repeat_skip++;
+ offset_in += 4 << 8;
+ }
+
+ *phase = (offset_out - offset_in) >> 2;
+
+ if (*phase > 0x100)
+ repeat_skip++;
+
+ *phase = *phase & 0xff;
+
+ if (repeat_skip > 5)
+ repeat_skip = 5;
+
+ *repeat = skip_tab[repeat_skip];
+}
+
+static void meson_overlay_setup_scaler_params(struct meson_drm *priv,
+ struct drm_plane *plane,
+ bool interlace_mode)
+{
+ struct drm_crtc_state *crtc_state = priv->crtc->state;
+ int video_top, video_left, video_width, video_height;
+ struct drm_plane_state *state = plane->state;
+ unsigned int vd_start_lines, vd_end_lines;
+ unsigned int hd_start_lines, hd_end_lines;
+ unsigned int crtc_height, crtc_width;
+ unsigned int vsc_startp, vsc_endp;
+ unsigned int hsc_startp, hsc_endp;
+ unsigned int crop_top, crop_left;
+ int vphase, vphase_repeat_skip;
+ unsigned int ratio_x, ratio_y;
+ int temp_height, temp_width;
+ unsigned int w_in, h_in;
+ int afbc_left, afbc_right;
+ int afbc_top_src, afbc_bottom_src;
+ int afbc_top, afbc_bottom;
+ int temp, start, end;
+
+ if (!crtc_state) {
+ DRM_ERROR("Invalid crtc_state\n");
+ return;
+ }
+
+ crtc_height = crtc_state->mode.vdisplay;
+ crtc_width = crtc_state->mode.hdisplay;
+
+ w_in = fixed16_to_int(state->src_w);
+ h_in = fixed16_to_int(state->src_h);
+ crop_top = fixed16_to_int(state->src_y);
+ crop_left = fixed16_to_int(state->src_x);
+
+ video_top = state->crtc_y;
+ video_left = state->crtc_x;
+ video_width = state->crtc_w;
+ video_height = state->crtc_h;
+
+ DRM_DEBUG("crtc_width %d crtc_height %d interlace %d\n",
+ crtc_width, crtc_height, interlace_mode);
+ DRM_DEBUG("w_in %d h_in %d crop_top %d crop_left %d\n",
+ w_in, h_in, crop_top, crop_left);
+ DRM_DEBUG("video top %d left %d width %d height %d\n",
+ video_top, video_left, video_width, video_height);
+
+ ratio_x = (w_in << 18) / video_width;
+ ratio_y = (h_in << 18) / video_height;
+
+ if (ratio_x * video_width < (w_in << 18))
+ ratio_x++;
+
+ DRM_DEBUG("ratio x 0x%x y 0x%x\n", ratio_x, ratio_y);
+
+ meson_overlay_get_vertical_phase(ratio_y, &vphase, &vphase_repeat_skip,
+ interlace_mode);
+
+ DRM_DEBUG("vphase 0x%x skip %d\n", vphase, vphase_repeat_skip);
+
+ /* Vertical */
+
+ start = video_top + video_height / 2 - ((h_in << 17) / ratio_y);
+ end = (h_in << 18) / ratio_y + start - 1;
+
+ if (video_top < 0 && start < 0)
+ vd_start_lines = (-(start) * ratio_y) >> 18;
+ else if (start < video_top)
+ vd_start_lines = ((video_top - start) * ratio_y) >> 18;
+ else
+ vd_start_lines = 0;
+
+ if (video_top < 0)
+ temp_height = min_t(unsigned int,
+ video_top + video_height - 1,
+ crtc_height - 1);
+ else
+ temp_height = min_t(unsigned int,
+ video_top + video_height - 1,
+ crtc_height - 1) - video_top + 1;
+
+ temp = vd_start_lines + (temp_height * ratio_y >> 18);
+ vd_end_lines = (temp <= (h_in - 1)) ? temp : (h_in - 1);
+
+ vd_start_lines += crop_left;
+ vd_end_lines += crop_left;
+
+ /*
+ * TOFIX: Input frames are handled and scaled like progressive frames,
+ * proper handling of interlaced field input frames need to be figured
+ * out using the proper framebuffer flags set by userspace.
+ */
+ if (interlace_mode) {
+ start >>= 1;
+ end >>= 1;
+ }
+
+ vsc_startp = max_t(int, start,
+ max_t(int, 0, video_top));
+ vsc_endp = min_t(int, end,
+ min_t(int, crtc_height - 1,
+ video_top + video_height - 1));
+
+ DRM_DEBUG("vsc startp %d endp %d start_lines %d end_lines %d\n",
+ vsc_startp, vsc_endp, vd_start_lines, vd_end_lines);
+
+ afbc_top = round_down(vd_start_lines, 4);
+ afbc_bottom = round_up(vd_end_lines + 1, 4);
+ afbc_top_src = 0;
+ afbc_bottom_src = round_up(h_in + 1, 4);
+
+ DRM_DEBUG("afbc top %d (src %d) bottom %d (src %d)\n",
+ afbc_top, afbc_top_src, afbc_bottom, afbc_bottom_src);
+
+ /* Horizontal */
+
+ start = video_left + video_width / 2 - ((w_in << 17) / ratio_x);
+ end = (w_in << 18) / ratio_x + start - 1;
+
+ if (video_left < 0 && start < 0)
+ hd_start_lines = (-(start) * ratio_x) >> 18;
+ else if (start < video_left)
+ hd_start_lines = ((video_left - start) * ratio_x) >> 18;
+ else
+ hd_start_lines = 0;
+
+ if (video_left < 0)
+ temp_width = min_t(unsigned int,
+ video_left + video_width - 1,
+ crtc_width - 1);
+ else
+ temp_width = min_t(unsigned int,
+ video_left + video_width - 1,
+ crtc_width - 1) - video_left + 1;
+
+ temp = hd_start_lines + (temp_width * ratio_x >> 18);
+ hd_end_lines = (temp <= (w_in - 1)) ? temp : (w_in - 1);
+
+ priv->viu.vpp_line_in_length = hd_end_lines - hd_start_lines + 1;
+ hsc_startp = max_t(int, start, max_t(int, 0, video_left));
+ hsc_endp = min_t(int, end, min_t(int, crtc_width - 1,
+ video_left + video_width - 1));
+
+ hd_start_lines += crop_top;
+ hd_end_lines += crop_top;
+
+ DRM_DEBUG("hsc startp %d endp %d start_lines %d end_lines %d\n",
+ hsc_startp, hsc_endp, hd_start_lines, hd_end_lines);
+
+ if (hd_start_lines > 0 || (hd_end_lines < w_in)) {
+ afbc_left = 0;
+ afbc_right = round_up(w_in, 32);
+ } else {
+ afbc_left = round_down(hd_start_lines, 32);
+ afbc_right = round_up(hd_end_lines + 1, 32);
+ }
+
+ DRM_DEBUG("afbc left %d right %d\n", afbc_left, afbc_right);
+
+ priv->viu.vpp_vsc_start_phase_step = ratio_y << 6;
+
+ priv->viu.vpp_vsc_ini_phase = vphase << 8;
+ priv->viu.vpp_vsc_phase_ctrl = (1 << 13) | (4 << 8) |
+ vphase_repeat_skip;
+
+ priv->viu.vd1_if0_luma_x0 = VD_X_START(hd_start_lines) |
+ VD_X_END(hd_end_lines);
+ priv->viu.vd1_if0_chroma_x0 = VD_X_START(hd_start_lines >> 1) |
+ VD_X_END(hd_end_lines >> 1);
+
+ priv->viu.viu_vd1_fmt_w =
+ VD_H_WIDTH(hd_end_lines - hd_start_lines + 1) |
+ VD_V_WIDTH(hd_end_lines/2 - hd_start_lines/2 + 1);
+
+ priv->viu.vd1_afbc_vd_cfmt_w =
+ AFBC_VD_H_WIDTH(afbc_right - afbc_left) |
+ AFBC_VD_V_WIDTH(afbc_right / 2 - afbc_left / 2);
+
+ priv->viu.vd1_afbc_vd_cfmt_h =
+ AFBC_VD_HEIGHT((afbc_bottom - afbc_top) / 2);
+
+ priv->viu.vd1_afbc_mif_hor_scope = AFBC_MIF_BLK_BGN_H(afbc_left / 32) |
+ AFBC_MIF_BLK_END_H((afbc_right / 32) - 1);
+
+ priv->viu.vd1_afbc_mif_ver_scope = AFBC_MIF_BLK_BGN_V(afbc_top / 4) |
+ AFBC_MIF_BLK_END_H((afbc_bottom / 4) - 1);
+
+ priv->viu.vd1_afbc_size_out =
+ AFBC_HSIZE_OUT(afbc_right - afbc_left) |
+ AFBC_VSIZE_OUT(afbc_bottom - afbc_top);
+
+ priv->viu.vd1_afbc_pixel_hor_scope =
+ AFBC_DEC_PIXEL_BGN_H(hd_start_lines - afbc_left) |
+ AFBC_DEC_PIXEL_END_H(hd_end_lines - afbc_left);
+
+ priv->viu.vd1_afbc_pixel_ver_scope =
+ AFBC_DEC_PIXEL_BGN_V(vd_start_lines - afbc_top) |
+ AFBC_DEC_PIXEL_END_V(vd_end_lines - afbc_top);
+
+ priv->viu.vd1_afbc_size_in =
+ AFBC_HSIZE_IN(afbc_right - afbc_left) |
+ AFBC_VSIZE_IN(afbc_bottom_src - afbc_top_src);
+
+ priv->viu.vd1_if0_luma_y0 = VD_Y_START(vd_start_lines) |
+ VD_Y_END(vd_end_lines);
+
+ priv->viu.vd1_if0_chroma_y0 = VD_Y_START(vd_start_lines >> 1) |
+ VD_Y_END(vd_end_lines >> 1);
+
+ priv->viu.vpp_pic_in_height = h_in;
+
+ priv->viu.vpp_postblend_vd1_h_start_end = VD_H_START(hsc_startp) |
+ VD_H_END(hsc_endp);
+ priv->viu.vpp_blend_vd2_h_start_end = VD_H_START(hd_start_lines) |
+ VD_H_END(hd_end_lines);
+ priv->viu.vpp_hsc_region12_startp = VD_REGION13_END(0) |
+ VD_REGION24_START(hsc_startp);
+ priv->viu.vpp_hsc_region34_startp =
+ VD_REGION13_END(hsc_startp) |
+ VD_REGION24_START(hsc_endp - hsc_startp);
+ priv->viu.vpp_hsc_region4_endp = hsc_endp - hsc_startp;
+ priv->viu.vpp_hsc_start_phase_step = ratio_x << 6;
+ priv->viu.vpp_hsc_region1_phase_slope = 0;
+ priv->viu.vpp_hsc_region3_phase_slope = 0;
+ priv->viu.vpp_hsc_phase_ctrl = (1 << 21) | (4 << 16);
+
+ priv->viu.vpp_line_in_length = hd_end_lines - hd_start_lines + 1;
+ priv->viu.vpp_preblend_h_size = hd_end_lines - hd_start_lines + 1;
+
+ priv->viu.vpp_postblend_vd1_v_start_end = VD_V_START(vsc_startp) |
+ VD_V_END(vsc_endp);
+ priv->viu.vpp_blend_vd2_v_start_end =
+ VD2_V_START((vd_end_lines + 1) >> 1) |
+ VD2_V_END(vd_end_lines);
+
+ priv->viu.vpp_vsc_region12_startp = 0;
+ priv->viu.vpp_vsc_region34_startp =
+ VD_REGION13_END(vsc_endp - vsc_startp) |
+ VD_REGION24_START(vsc_endp - vsc_startp);
+ priv->viu.vpp_vsc_region4_endp = vsc_endp - vsc_startp;
+ priv->viu.vpp_vsc_start_phase_step = ratio_y << 6;
+}
+
+static void meson_overlay_atomic_update(struct drm_plane *plane,
+ struct drm_atomic_state *state)
+{
+ struct meson_overlay *meson_overlay = to_meson_overlay(plane);
+ struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
+ plane);
+ struct drm_framebuffer *fb = new_state->fb;
+ struct meson_drm *priv = meson_overlay->priv;
+ struct drm_gem_dma_object *gem;
+ unsigned long flags;
+ bool interlace_mode;
+
+ DRM_DEBUG_DRIVER("\n");
+
+ interlace_mode = new_state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE;
+
+ spin_lock_irqsave(&priv->drm->event_lock, flags);
+
+ if ((fb->modifier & DRM_FORMAT_MOD_AMLOGIC_FBC(0, 0)) ==
+ DRM_FORMAT_MOD_AMLOGIC_FBC(0, 0)) {
+ priv->viu.vd1_afbc = true;
+
+ priv->viu.vd1_afbc_mode = AFBC_MIF_URGENT(3) |
+ AFBC_HOLD_LINE_NUM(8) |
+ AFBC_BURST_LEN(2);
+
+ if (fb->modifier & DRM_FORMAT_MOD_AMLOGIC_FBC(0,
+ AMLOGIC_FBC_OPTION_MEM_SAVING))
+ priv->viu.vd1_afbc_mode |= AFBC_BLK_MEM_MODE;
+
+ if ((fb->modifier & __fourcc_mod_amlogic_layout_mask) ==
+ AMLOGIC_FBC_LAYOUT_SCATTER)
+ priv->viu.vd1_afbc_mode |= AFBC_SCATTER_MODE;
+
+ priv->viu.vd1_afbc_en = 0x1600 | AFBC_DEC_ENABLE;
+
+ priv->viu.vd1_afbc_conv_ctrl = AFBC_CONV_LBUF_LEN(256);
+
+ priv->viu.vd1_afbc_dec_def_color = AFBC_DEF_COLOR_Y(1023);
+
+ /* 420: horizontal / 2, vertical / 4 */
+ priv->viu.vd1_afbc_vd_cfmt_ctrl = AFBC_HORZ_RPT_PIXEL0 |
+ AFBC_HORZ_Y_C_RATIO(1) |
+ AFBC_HORZ_FMT_EN |
+ AFBC_VERT_RPT_LINE0 |
+ AFBC_VERT_INITIAL_PHASE(12) |
+ AFBC_VERT_PHASE_STEP(8) |
+ AFBC_VERT_FMT_EN;
+
+ switch (fb->format->format) {
+ /* AFBC Only formats */
+ case DRM_FORMAT_YUV420_10BIT:
+ priv->viu.vd1_afbc_mode |=
+ AFBC_COMPBITS_YUV(AFBC_COMPBITS_10BIT);
+ priv->viu.vd1_afbc_dec_def_color |=
+ AFBC_DEF_COLOR_U(512) |
+ AFBC_DEF_COLOR_V(512);
+ break;
+ case DRM_FORMAT_YUV420_8BIT:
+ priv->viu.vd1_afbc_dec_def_color |=
+ AFBC_DEF_COLOR_U(128) |
+ AFBC_DEF_COLOR_V(128);
+ break;
+ }
+
+ priv->viu.vd1_if0_gen_reg = 0;
+ priv->viu.vd1_if0_canvas0 = 0;
+ priv->viu.viu_vd1_fmt_ctrl = 0;
+ } else {
+ priv->viu.vd1_afbc = false;
+
+ priv->viu.vd1_if0_gen_reg = VD_URGENT_CHROMA |
+ VD_URGENT_LUMA |
+ VD_HOLD_LINES(9) |
+ VD_CHRO_RPT_LASTL_CTRL |
+ VD_ENABLE;
+ }
+
+ /* Setup scaler params */
+ meson_overlay_setup_scaler_params(priv, plane, interlace_mode);
+
+ priv->viu.vd1_if0_repeat_loop = 0;
+ priv->viu.vd1_if0_luma0_rpt_pat = interlace_mode ? 8 : 0;
+ priv->viu.vd1_if0_chroma0_rpt_pat = interlace_mode ? 8 : 0;
+ priv->viu.vd1_range_map_y = 0;
+ priv->viu.vd1_range_map_cb = 0;
+ priv->viu.vd1_range_map_cr = 0;
+
+ /* Default values for RGB888/YUV444 */
+ priv->viu.vd1_if0_gen_reg2 = 0;
+ priv->viu.viu_vd1_fmt_ctrl = 0;
+
+ /* None will match for AFBC Only formats */
+ switch (fb->format->format) {
+ /* TOFIX DRM_FORMAT_RGB888 should be supported */
+ case DRM_FORMAT_YUYV:
+ priv->viu.vd1_if0_gen_reg |= VD_BYTES_PER_PIXEL(1);
+ priv->viu.vd1_if0_canvas0 =
+ CANVAS_ADDR2(priv->canvas_id_vd1_0) |
+ CANVAS_ADDR1(priv->canvas_id_vd1_0) |
+ CANVAS_ADDR0(priv->canvas_id_vd1_0);
+ priv->viu.viu_vd1_fmt_ctrl = VD_HORZ_Y_C_RATIO(1) | /* /2 */
+ VD_HORZ_FMT_EN |
+ VD_VERT_RPT_LINE0 |
+ VD_VERT_INITIAL_PHASE(12) |
+ VD_VERT_PHASE_STEP(16) | /* /2 */
+ VD_VERT_FMT_EN;
+ break;
+ case DRM_FORMAT_NV12:
+ case DRM_FORMAT_NV21:
+ priv->viu.vd1_if0_gen_reg |= VD_SEPARATE_EN;
+ priv->viu.vd1_if0_canvas0 =
+ CANVAS_ADDR2(priv->canvas_id_vd1_1) |
+ CANVAS_ADDR1(priv->canvas_id_vd1_1) |
+ CANVAS_ADDR0(priv->canvas_id_vd1_0);
+ if (fb->format->format == DRM_FORMAT_NV12)
+ priv->viu.vd1_if0_gen_reg2 = VD_COLOR_MAP(1);
+ else
+ priv->viu.vd1_if0_gen_reg2 = VD_COLOR_MAP(2);
+ priv->viu.viu_vd1_fmt_ctrl = VD_HORZ_Y_C_RATIO(1) | /* /2 */
+ VD_HORZ_FMT_EN |
+ VD_VERT_RPT_LINE0 |
+ VD_VERT_INITIAL_PHASE(12) |
+ VD_VERT_PHASE_STEP(8) | /* /4 */
+ VD_VERT_FMT_EN;
+ break;
+ case DRM_FORMAT_YUV444:
+ case DRM_FORMAT_YUV422:
+ case DRM_FORMAT_YUV420:
+ case DRM_FORMAT_YUV411:
+ case DRM_FORMAT_YUV410:
+ priv->viu.vd1_if0_gen_reg |= VD_SEPARATE_EN;
+ priv->viu.vd1_if0_canvas0 =
+ CANVAS_ADDR2(priv->canvas_id_vd1_2) |
+ CANVAS_ADDR1(priv->canvas_id_vd1_1) |
+ CANVAS_ADDR0(priv->canvas_id_vd1_0);
+ switch (fb->format->format) {
+ case DRM_FORMAT_YUV422:
+ priv->viu.viu_vd1_fmt_ctrl =
+ VD_HORZ_Y_C_RATIO(1) | /* /2 */
+ VD_HORZ_FMT_EN |
+ VD_VERT_RPT_LINE0 |
+ VD_VERT_INITIAL_PHASE(12) |
+ VD_VERT_PHASE_STEP(16) | /* /2 */
+ VD_VERT_FMT_EN;
+ break;
+ case DRM_FORMAT_YUV420:
+ priv->viu.viu_vd1_fmt_ctrl =
+ VD_HORZ_Y_C_RATIO(1) | /* /2 */
+ VD_HORZ_FMT_EN |
+ VD_VERT_RPT_LINE0 |
+ VD_VERT_INITIAL_PHASE(12) |
+ VD_VERT_PHASE_STEP(8) | /* /4 */
+ VD_VERT_FMT_EN;
+ break;
+ case DRM_FORMAT_YUV411:
+ priv->viu.viu_vd1_fmt_ctrl =
+ VD_HORZ_Y_C_RATIO(2) | /* /4 */
+ VD_HORZ_FMT_EN |
+ VD_VERT_RPT_LINE0 |
+ VD_VERT_INITIAL_PHASE(12) |
+ VD_VERT_PHASE_STEP(16) | /* /2 */
+ VD_VERT_FMT_EN;
+ break;
+ case DRM_FORMAT_YUV410:
+ priv->viu.viu_vd1_fmt_ctrl =
+ VD_HORZ_Y_C_RATIO(2) | /* /4 */
+ VD_HORZ_FMT_EN |
+ VD_VERT_RPT_LINE0 |
+ VD_VERT_INITIAL_PHASE(12) |
+ VD_VERT_PHASE_STEP(8) | /* /4 */
+ VD_VERT_FMT_EN;
+ break;
+ }
+ break;
+ }
+
+ /* Update Canvas with buffer address */
+ priv->viu.vd1_planes = fb->format->num_planes;
+
+ switch (priv->viu.vd1_planes) {
+ case 3:
+ gem = drm_fb_dma_get_gem_obj(fb, 2);
+ priv->viu.vd1_addr2 = gem->dma_addr + fb->offsets[2];
+ priv->viu.vd1_stride2 = fb->pitches[2];
+ priv->viu.vd1_height2 =
+ drm_format_info_plane_height(fb->format,
+ fb->height, 2);
+ DRM_DEBUG("plane 2 addr 0x%x stride %d height %d\n",
+ priv->viu.vd1_addr2,
+ priv->viu.vd1_stride2,
+ priv->viu.vd1_height2);
+ fallthrough;
+ case 2:
+ gem = drm_fb_dma_get_gem_obj(fb, 1);
+ priv->viu.vd1_addr1 = gem->dma_addr + fb->offsets[1];
+ priv->viu.vd1_stride1 = fb->pitches[1];
+ priv->viu.vd1_height1 =
+ drm_format_info_plane_height(fb->format,
+ fb->height, 1);
+ DRM_DEBUG("plane 1 addr 0x%x stride %d height %d\n",
+ priv->viu.vd1_addr1,
+ priv->viu.vd1_stride1,
+ priv->viu.vd1_height1);
+ fallthrough;
+ case 1:
+ gem = drm_fb_dma_get_gem_obj(fb, 0);
+ priv->viu.vd1_addr0 = gem->dma_addr + fb->offsets[0];
+ priv->viu.vd1_stride0 = fb->pitches[0];
+ priv->viu.vd1_height0 =
+ drm_format_info_plane_height(fb->format,
+ fb->height, 0);
+ DRM_DEBUG("plane 0 addr 0x%x stride %d height %d\n",
+ priv->viu.vd1_addr0,
+ priv->viu.vd1_stride0,
+ priv->viu.vd1_height0);
+ }
+
+ if (priv->viu.vd1_afbc) {
+ if (priv->viu.vd1_afbc_mode & AFBC_SCATTER_MODE) {
+ /*
+ * In Scatter mode, the header contains the physical
+ * body content layout, thus the body content
+ * size isn't needed.
+ */
+ priv->viu.vd1_afbc_head_addr = priv->viu.vd1_addr0 >> 4;
+ priv->viu.vd1_afbc_body_addr = 0;
+ } else {
+ /* Default mode is 4k per superblock */
+ unsigned long block_size = 4096;
+ unsigned long body_size;
+
+ /* 8bit mem saving mode is 3072bytes per superblock */
+ if (priv->viu.vd1_afbc_mode & AFBC_BLK_MEM_MODE)
+ block_size = 3072;
+
+ body_size = (ALIGN(priv->viu.vd1_stride0, 64) / 64) *
+ (ALIGN(priv->viu.vd1_height0, 32) / 32) *
+ block_size;
+
+ priv->viu.vd1_afbc_body_addr = priv->viu.vd1_addr0 >> 4;
+ /* Header is after body content */
+ priv->viu.vd1_afbc_head_addr = (priv->viu.vd1_addr0 +
+ body_size) >> 4;
+ }
+ }
+
+ priv->viu.vd1_enabled = true;
+
+ spin_unlock_irqrestore(&priv->drm->event_lock, flags);
+
+ DRM_DEBUG_DRIVER("\n");
+}
+
+static void meson_overlay_atomic_disable(struct drm_plane *plane,
+ struct drm_atomic_state *state)
+{
+ struct meson_overlay *meson_overlay = to_meson_overlay(plane);
+ struct meson_drm *priv = meson_overlay->priv;
+
+ DRM_DEBUG_DRIVER("\n");
+
+ priv->viu.vd1_enabled = false;
+
+ /* Disable VD1 */
+ if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) {
+ writel_relaxed(0, priv->io_base + _REG(VD1_BLEND_SRC_CTRL));
+ writel_relaxed(0, priv->io_base + _REG(VD2_BLEND_SRC_CTRL));
+ writel_relaxed(0, priv->io_base + _REG(VD1_IF0_GEN_REG + 0x17b0));
+ writel_relaxed(0, priv->io_base + _REG(VD2_IF0_GEN_REG + 0x17b0));
+ } else
+ writel_bits_relaxed(VPP_VD1_POSTBLEND | VPP_VD1_PREBLEND, 0,
+ priv->io_base + _REG(VPP_MISC));
+
+}
+
+static const struct drm_plane_helper_funcs meson_overlay_helper_funcs = {
+ .atomic_check = meson_overlay_atomic_check,
+ .atomic_disable = meson_overlay_atomic_disable,
+ .atomic_update = meson_overlay_atomic_update,
+};
+
+static bool meson_overlay_format_mod_supported(struct drm_plane *plane,
+ u32 format, u64 modifier)
+{
+ if (modifier == DRM_FORMAT_MOD_LINEAR &&
+ format != DRM_FORMAT_YUV420_8BIT &&
+ format != DRM_FORMAT_YUV420_10BIT)
+ return true;
+
+ if ((modifier & DRM_FORMAT_MOD_AMLOGIC_FBC(0, 0)) ==
+ DRM_FORMAT_MOD_AMLOGIC_FBC(0, 0)) {
+ unsigned int layout = modifier &
+ DRM_FORMAT_MOD_AMLOGIC_FBC(
+ __fourcc_mod_amlogic_layout_mask, 0);
+ unsigned int options =
+ (modifier >> __fourcc_mod_amlogic_options_shift) &
+ __fourcc_mod_amlogic_options_mask;
+
+ if (format != DRM_FORMAT_YUV420_8BIT &&
+ format != DRM_FORMAT_YUV420_10BIT) {
+ DRM_DEBUG_KMS("%llx invalid format 0x%08x\n",
+ modifier, format);
+ return false;
+ }
+
+ if (layout != AMLOGIC_FBC_LAYOUT_BASIC &&
+ layout != AMLOGIC_FBC_LAYOUT_SCATTER) {
+ DRM_DEBUG_KMS("%llx invalid layout %x\n",
+ modifier, layout);
+ return false;
+ }
+
+ if (options &&
+ options != AMLOGIC_FBC_OPTION_MEM_SAVING) {
+ DRM_DEBUG_KMS("%llx invalid layout %x\n",
+ modifier, layout);
+ return false;
+ }
+
+ return true;
+ }
+
+ DRM_DEBUG_KMS("invalid modifier %llx for format 0x%08x\n",
+ modifier, format);
+
+ return false;
+}
+
+static const struct drm_plane_funcs meson_overlay_funcs = {
+ .update_plane = drm_atomic_helper_update_plane,
+ .disable_plane = drm_atomic_helper_disable_plane,
+ .destroy = drm_plane_cleanup,
+ .reset = drm_atomic_helper_plane_reset,
+ .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
+ .format_mod_supported = meson_overlay_format_mod_supported,
+};
+
+static const uint32_t supported_drm_formats[] = {
+ DRM_FORMAT_YUYV,
+ DRM_FORMAT_NV12,
+ DRM_FORMAT_NV21,
+ DRM_FORMAT_YUV444,
+ DRM_FORMAT_YUV422,
+ DRM_FORMAT_YUV420,
+ DRM_FORMAT_YUV411,
+ DRM_FORMAT_YUV410,
+ DRM_FORMAT_YUV420_8BIT, /* Amlogic FBC Only */
+ DRM_FORMAT_YUV420_10BIT, /* Amlogic FBC Only */
+};
+
+static const uint64_t format_modifiers[] = {
+ DRM_FORMAT_MOD_AMLOGIC_FBC(AMLOGIC_FBC_LAYOUT_SCATTER,
+ AMLOGIC_FBC_OPTION_MEM_SAVING),
+ DRM_FORMAT_MOD_AMLOGIC_FBC(AMLOGIC_FBC_LAYOUT_BASIC,
+ AMLOGIC_FBC_OPTION_MEM_SAVING),
+ DRM_FORMAT_MOD_AMLOGIC_FBC(AMLOGIC_FBC_LAYOUT_SCATTER, 0),
+ DRM_FORMAT_MOD_AMLOGIC_FBC(AMLOGIC_FBC_LAYOUT_BASIC, 0),
+ DRM_FORMAT_MOD_LINEAR,
+ DRM_FORMAT_MOD_INVALID,
+};
+
+int meson_overlay_create(struct meson_drm *priv)
+{
+ struct meson_overlay *meson_overlay;
+ struct drm_plane *plane;
+
+ DRM_DEBUG_DRIVER("\n");
+
+ meson_overlay = devm_kzalloc(priv->drm->dev, sizeof(*meson_overlay),
+ GFP_KERNEL);
+ if (!meson_overlay)
+ return -ENOMEM;
+
+ meson_overlay->priv = priv;
+ plane = &meson_overlay->base;
+
+ drm_universal_plane_init(priv->drm, plane, 0xFF,
+ &meson_overlay_funcs,
+ supported_drm_formats,
+ ARRAY_SIZE(supported_drm_formats),
+ format_modifiers,
+ DRM_PLANE_TYPE_OVERLAY, "meson_overlay_plane");
+
+ drm_plane_helper_add(plane, &meson_overlay_helper_funcs);
+
+ /* For now, VD Overlay plane is always on the back */
+ drm_plane_create_zpos_immutable_property(plane, 0);
+
+ priv->overlay_plane = plane;
+
+ DRM_DEBUG_DRIVER("\n");
+
+ return 0;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-18 14:24:06 +0000