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media: s5p-mfc: Add support for HEVC decoder 

Add support for codec definition and corresponding buffer
requirements for HEVC decoder.

Signed-off-by: Smitha T Murthy <smitha.t@samsung.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Smitha T Murthy 2018-02-02 07:25:44 -05:00 committed by Mauro Carvalho Chehab
parent 1c700fa76b
commit c9fcd51c16
6 changed files with 30 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/media/platform/s5p-mfc/regs-mfc-v10.h
View File

@ -32,6 +32,7 @@
#define MFC_NUM_PORTS_V10 1
/* MFCv10 codec defines*/
#define S5P_FIMV_CODEC_HEVC_DEC 17
#define S5P_FIMV_CODEC_HEVC_ENC 26
/* Encoder buffer size for MFC v10.0 */

3
drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c
View File

@ -101,6 +101,9 @@ static int s5p_mfc_open_inst_cmd_v6(struct s5p_mfc_ctx *ctx)
case S5P_MFC_CODEC_VP8_DEC:
codec_type = S5P_FIMV_CODEC_VP8_DEC_V6;
break;
case S5P_MFC_CODEC_HEVC_DEC:
codec_type = S5P_FIMV_CODEC_HEVC_DEC;
break;
case S5P_MFC_CODEC_H264_ENC:
codec_type = S5P_FIMV_CODEC_H264_ENC_V6;
break;

1
drivers/media/platform/s5p-mfc/s5p_mfc_common.h
View File

@ -72,6 +72,7 @@
#define S5P_MFC_CODEC_H263_DEC 5
#define S5P_MFC_CODEC_VC1RCV_DEC 6
#define S5P_MFC_CODEC_VP8_DEC 7
#define S5P_MFC_CODEC_HEVC_DEC 17
#define S5P_MFC_CODEC_H264_ENC 20
#define S5P_MFC_CODEC_H264_MVC_ENC 21

7
drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
View File

@ -144,6 +144,13 @@ static struct s5p_mfc_fmt formats[] = {
.num_planes = 1,
.versions = MFC_V6PLUS_BITS,
},
{
.fourcc = V4L2_PIX_FMT_HEVC,
.codec_mode = S5P_FIMV_CODEC_HEVC_DEC,
.type = MFC_FMT_DEC,
.num_planes = 1,
.versions = MFC_V10_BIT,
},
};
#define NUM_FORMATS ARRAY_SIZE(formats)

17
drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
View File

@ -220,6 +220,12 @@ static int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx)
S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6);
ctx->bank1.size = ctx->scratch_buf_size;
break;
case S5P_MFC_CODEC_HEVC_DEC:
mfc_debug(2, "Use min scratch buffer size\n");
ctx->bank1.size =
ctx->scratch_buf_size +
(ctx->mv_count * ctx->mv_size);
break;
case S5P_MFC_CODEC_H264_ENC:
if (IS_MFCV10(dev)) {
mfc_debug(2, "Use min scratch buffer size\n");
@ -321,6 +327,7 @@ static int s5p_mfc_alloc_instance_buffer_v6(struct s5p_mfc_ctx *ctx)
switch (ctx->codec_mode) {
case S5P_MFC_CODEC_H264_DEC:
case S5P_MFC_CODEC_H264_MVC_DEC:
case S5P_MFC_CODEC_HEVC_DEC:
ctx->ctx.size = buf_size->h264_dec_ctx;
break;
case S5P_MFC_CODEC_MPEG4_DEC:
@ -434,6 +441,10 @@ static void s5p_mfc_dec_calc_dpb_size_v6(struct s5p_mfc_ctx *ctx)
ctx->mv_size = S5P_MFC_DEC_MV_SIZE_V6(ctx->img_width,
ctx->img_height);
}
} else if (ctx->codec_mode == S5P_MFC_CODEC_HEVC_DEC) {
ctx->mv_size = s5p_mfc_dec_hevc_mv_size(ctx->img_width,
ctx->img_height);
ctx->mv_size = ALIGN(ctx->mv_size, 32);
} else {
ctx->mv_size = 0;
}
@ -515,7 +526,8 @@ static int s5p_mfc_set_dec_frame_buffer_v6(struct s5p_mfc_ctx *ctx)
buf_size1 -= ctx->scratch_buf_size;
if (ctx->codec_mode == S5P_FIMV_CODEC_H264_DEC ||
ctx->codec_mode == S5P_FIMV_CODEC_H264_MVC_DEC){
ctx->codec_mode == S5P_FIMV_CODEC_H264_MVC_DEC ||
ctx->codec_mode == S5P_FIMV_CODEC_HEVC_DEC) {
writel(ctx->mv_size, mfc_regs->d_mv_buffer_size);
writel(ctx->mv_count, mfc_regs->d_num_mv);
}
@ -538,7 +550,8 @@ static int s5p_mfc_set_dec_frame_buffer_v6(struct s5p_mfc_ctx *ctx)
mfc_regs->d_second_plane_dpb + i * 4);
}
if (ctx->codec_mode == S5P_MFC_CODEC_H264_DEC ||
ctx->codec_mode == S5P_MFC_CODEC_H264_MVC_DEC) {
ctx->codec_mode == S5P_MFC_CODEC_H264_MVC_DEC ||
ctx->codec_mode == S5P_MFC_CODEC_HEVC_DEC) {
for (i = 0; i < ctx->mv_count; i++) {
/* To test alignment */
align_gap = buf_addr1;

3
drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h
View File

@ -29,6 +29,9 @@
#define S5P_MFC_LCU_WIDTH(x_size) DIV_ROUND_UP(x_size, 32)
#define S5P_MFC_LCU_HEIGHT(y_size) DIV_ROUND_UP(y_size, 32)
#define s5p_mfc_dec_hevc_mv_size(x, y) \
(DIV_ROUND_UP(x, 64) * DIV_ROUND_UP(y, 64) * 256 + 512)
/* Definition */
#define ENC_MULTI_SLICE_MB_MAX ((1 << 30) - 1)
#define ENC_MULTI_SLICE_BIT_MIN 2800