HEVC frames may use scaling list feature. Add support for it.

Signed-off-by: Jernej Skrabec <jernej.skra...@siol.net>
---
 drivers/staging/media/sunxi/cedrus/cedrus.c   |  7 ++
 drivers/staging/media/sunxi/cedrus/cedrus.h   |  1 +
 .../staging/media/sunxi/cedrus/cedrus_dec.c   |  2 +
 .../staging/media/sunxi/cedrus/cedrus_h265.c  | 70 ++++++++++++++++++-
 .../staging/media/sunxi/cedrus/cedrus_regs.h  |  2 +
 5 files changed, 81 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.c 
b/drivers/staging/media/sunxi/cedrus/cedrus.c
index c6ddd46eff82..bf68bc6b20c8 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus.c
+++ b/drivers/staging/media/sunxi/cedrus/cedrus.c
@@ -116,6 +116,13 @@ static const struct cedrus_control cedrus_controls[] = {
                .codec          = CEDRUS_CODEC_H265,
                .required       = true,
        },
+       {
+               .cfg = {
+                       .id     = V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX,
+               },
+               .codec          = CEDRUS_CODEC_H265,
+               .required       = true,
+       },
        {
                .cfg = {
                        .id     = V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE,
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.h 
b/drivers/staging/media/sunxi/cedrus/cedrus.h
index 96765555ab8a..d945f4f0ff2d 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus.h
+++ b/drivers/staging/media/sunxi/cedrus/cedrus.h
@@ -73,6 +73,7 @@ struct cedrus_h265_run {
        const struct v4l2_ctrl_hevc_sps                 *sps;
        const struct v4l2_ctrl_hevc_pps                 *pps;
        const struct v4l2_ctrl_hevc_slice_params        *slice_params;
+       const struct v4l2_ctrl_hevc_scaling_matrix      *scaling_matrix;
 };
 
 struct cedrus_run {
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_dec.c 
b/drivers/staging/media/sunxi/cedrus/cedrus_dec.c
index 4a2fc33a1d79..327ed6c264dc 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus_dec.c
+++ b/drivers/staging/media/sunxi/cedrus/cedrus_dec.c
@@ -66,6 +66,8 @@ void cedrus_device_run(void *priv)
                        V4L2_CID_MPEG_VIDEO_HEVC_PPS);
                run.h265.slice_params = cedrus_find_control_data(ctx,
                        V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS);
+               run.h265.scaling_matrix = cedrus_find_control_data(ctx,
+                       V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX);
                break;
 
        default:
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c 
b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c
index 6945dc74e1d7..888bfd5ca224 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c
+++ b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c
@@ -220,6 +220,69 @@ static void cedrus_h265_pred_weight_write(struct 
cedrus_dev *dev,
        }
 }
 
+static void cedrus_h265_write_scaling_list(struct cedrus_ctx *ctx,
+                                          struct cedrus_run *run)
+{
+       const struct v4l2_ctrl_hevc_scaling_matrix *scaling;
+       struct cedrus_dev *dev = ctx->dev;
+       u32 i, j, k, val;
+
+       scaling = run->h265.scaling_matrix;
+
+       cedrus_write(dev, VE_DEC_H265_SCALING_LIST_DC_COEF0,
+                    (scaling->scaling_list_dc_coef_32x32[1] << 24) |
+                    (scaling->scaling_list_dc_coef_32x32[0] << 16) |
+                    (scaling->scaling_list_dc_coef_16x16[1] << 8) |
+                    (scaling->scaling_list_dc_coef_16x16[0] << 0));
+
+       cedrus_write(dev, VE_DEC_H265_SCALING_LIST_DC_COEF1,
+                    (scaling->scaling_list_dc_coef_16x16[5] << 24) |
+                    (scaling->scaling_list_dc_coef_16x16[4] << 16) |
+                    (scaling->scaling_list_dc_coef_16x16[3] << 8) |
+                    (scaling->scaling_list_dc_coef_16x16[2] << 0));
+
+       cedrus_h265_sram_write_offset(dev, 
VE_DEC_H265_SRAM_OFFSET_SCALING_LISTS);
+
+       for (i = 0; i < 6; i++)
+               for (j = 0; j < 8; j++)
+                       for (k = 0; k < 8; k += 4) {
+                               val = ((u32)scaling->scaling_list_8x8[i][j + (k 
+ 3) * 8] << 24) |
+                                     ((u32)scaling->scaling_list_8x8[i][j + (k 
+ 2) * 8] << 16) |
+                                     ((u32)scaling->scaling_list_8x8[i][j + (k 
+ 1) * 8] << 8) |
+                                     scaling->scaling_list_8x8[i][j + k * 8];
+                               cedrus_write(dev, VE_DEC_H265_SRAM_DATA, val);
+                       }
+
+       for (i = 0; i < 2; i++)
+               for (j = 0; j < 8; j++)
+                       for (k = 0; k < 8; k += 4) {
+                               val = ((u32)scaling->scaling_list_32x32[i][j + 
(k + 3) * 8] << 24) |
+                                     ((u32)scaling->scaling_list_32x32[i][j + 
(k + 2) * 8] << 16) |
+                                     ((u32)scaling->scaling_list_32x32[i][j + 
(k + 1) * 8] << 8) |
+                                     scaling->scaling_list_32x32[i][j + k * 8];
+                               cedrus_write(dev, VE_DEC_H265_SRAM_DATA, val);
+                       }
+
+       for (i = 0; i < 6; i++)
+               for (j = 0; j < 8; j++)
+                       for (k = 0; k < 8; k += 4) {
+                               val = ((u32)scaling->scaling_list_16x16[i][j + 
(k + 3) * 8] << 24) |
+                                     ((u32)scaling->scaling_list_16x16[i][j + 
(k + 2) * 8] << 16) |
+                                     ((u32)scaling->scaling_list_16x16[i][j + 
(k + 1) * 8] << 8) |
+                                     scaling->scaling_list_16x16[i][j + k * 8];
+                               cedrus_write(dev, VE_DEC_H265_SRAM_DATA, val);
+                       }
+
+       for (i = 0; i < 6; i++)
+               for (j = 0; j < 4; j++) {
+                       val = ((u32)scaling->scaling_list_4x4[i][j + 12] << 24) 
|
+                             ((u32)scaling->scaling_list_4x4[i][j + 8] << 16) |
+                             ((u32)scaling->scaling_list_4x4[i][j + 4] << 8) |
+                             scaling->scaling_list_4x4[i][j];
+                       cedrus_write(dev, VE_DEC_H265_SRAM_DATA, val);
+               }
+}
+
 static void cedrus_h265_setup(struct cedrus_ctx *ctx,
                              struct cedrus_run *run)
 {
@@ -499,7 +562,12 @@ static void cedrus_h265_setup(struct cedrus_ctx *ctx,
 
        /* Scaling list. */
 
-       reg = VE_DEC_H265_SCALING_LIST_CTRL0_DEFAULT;
+       if (sps->flags & V4L2_HEVC_SPS_FLAG_SCALING_LIST_ENABLED) {
+               cedrus_h265_write_scaling_list(ctx, run);
+               reg = VE_DEC_H265_SCALING_LIST_CTRL0_FLAG_ENABLED;
+       } else {
+               reg = VE_DEC_H265_SCALING_LIST_CTRL0_DEFAULT;
+       }
        cedrus_write(dev, VE_DEC_H265_SCALING_LIST_CTRL0, reg);
 
        /* Neightbor information address. */
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_regs.h 
b/drivers/staging/media/sunxi/cedrus/cedrus_regs.h
index 7beb03d3bb39..0d9449fe2b28 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus_regs.h
+++ b/drivers/staging/media/sunxi/cedrus/cedrus_regs.h
@@ -492,6 +492,8 @@
 #define VE_DEC_H265_ENTRY_POINT_OFFSET_ADDR    (VE_ENGINE_DEC_H265 + 0x64)
 #define VE_DEC_H265_TILE_START_CTB             (VE_ENGINE_DEC_H265 + 0x68)
 #define VE_DEC_H265_TILE_END_CTB               (VE_ENGINE_DEC_H265 + 0x6c)
+#define VE_DEC_H265_SCALING_LIST_DC_COEF0      (VE_ENGINE_DEC_H265 + 0x78)
+#define VE_DEC_H265_SCALING_LIST_DC_COEF1      (VE_ENGINE_DEC_H265 + 0x7c)
 
 #define VE_DEC_H265_LOW_ADDR                   (VE_ENGINE_DEC_H265 + 0x80)
 
-- 
2.23.0

_______________________________________________
devel mailing list
de...@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel

Reply via email to