[Patch v5 09/12] [media] s5p-mfc: Add VP9 decoder support

Smitha T Murthy
2017-06-19T05:25:16Z

Add support for codec definition and corresponding buffer
requirements for VP9 decoder.

Signed-off-by: Smitha T Murthy <smitha.t@samsung.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
---
drivers/media/platform/s5p-mfc/regs-mfc-v10.h | 6 ++++++
drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c | 3 +++
drivers/media/platform/s5p-mfc/s5p_mfc_common.h | 1 +
drivers/media/platform/s5p-mfc/s5p_mfc_dec.c | 7 +++++++
drivers/media/platform/s5p-mfc/s5p_mfc_opr.h | 2 ++
drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c | 26 +++++++++++++++++++++++++
6 files changed, 45 insertions(+)

diff --git a/drivers/media/platform/s5p-mfc/regs-mfc-v10.h b/drivers/media/platform/s5p-mfc/regs-mfc-v10.h
index 953a073..6754477 100644
--- a/drivers/media/platform/s5p-mfc/regs-mfc-v10.h
+++ b/drivers/media/platform/s5p-mfc/regs-mfc-v10.h
@@ -18,6 +18,8 @@
/* MFCv10 register definitions*/
#define S5P_FIMV_MFC_CLOCK_OFF_V10 0x7120
#define S5P_FIMV_MFC_STATE_V10 0x7124
+#define S5P_FIMV_D_STATIC_BUFFER_ADDR_V10 0xF570
+#define S5P_FIMV_D_STATIC_BUFFER_SIZE_V10 0xF574

/* MFCv10 Context buffer sizes */
#define MFC_CTX_BUF_SIZE_V10 (30 * SZ_1K)
@@ -34,8 +36,12 @@

/* MFCv10 codec defines*/
#define S5P_FIMV_CODEC_HEVC_DEC 17
+#define S5P_FIMV_CODEC_VP9_DEC 18
#define S5P_FIMV_CODEC_HEVC_ENC 26

+/* Decoder buffer size for MFC v10 */
+#define DEC_VP9_STATIC_BUFFER_SIZE 20480
+
/* Encoder buffer size for MFC v10.0 */
#define ENC_V100_BASE_SIZE(x, y) \
(((x + 3) * (y + 3) * 8) \
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c b/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c
index 76eca67..102b47e 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c
@@ -104,6 +104,9 @@ static int s5p_mfc_open_inst_cmd_v6(struct s5p_mfc_ctx *ctx)
case S5P_MFC_CODEC_HEVC_DEC:
codec_type = S5P_FIMV_CODEC_HEVC_DEC;
break;
+ case S5P_MFC_CODEC_VP9_DEC:
+ codec_type = S5P_FIMV_CODEC_VP9_DEC;
+ break;
case S5P_MFC_CODEC_H264_ENC:
codec_type = S5P_FIMV_CODEC_H264_ENC_V6;
break;
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
index 828e07e..b49f220 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
@@ -73,6 +73,7 @@
#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_VP9_DEC 18

#define S5P_MFC_CODEC_H264_ENC 20
#define S5P_MFC_CODEC_H264_MVC_ENC 21
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
index 4749355..5cf4d99 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
@@ -151,6 +151,13 @@ static struct s5p_mfc_fmt formats[] = {
.num_planes = 1,
.versions = MFC_V10_BIT,
},
+ {
+ .fourcc = V4L2_PIX_FMT_VP9,
+ .codec_mode = S5P_FIMV_CODEC_VP9_DEC,
+ .type = MFC_FMT_DEC,
+ .num_planes = 1,
+ .versions = MFC_V10_BIT,
+ },
};

#define NUM_FORMATS ARRAY_SIZE(formats)
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr.h b/drivers/media/platform/s5p-mfc/s5p_mfc_opr.h
index e7a2d46..57f4560 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr.h
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr.h
@@ -170,6 +170,8 @@ struct s5p_mfc_regs {
void __iomem *d_used_dpb_flag_upper;/* v7 and v8 */
void __iomem *d_used_dpb_flag_lower;/* v7 and v8 */
void __iomem *d_min_scratch_buffer_size; /* v10 */
+ void __iomem *d_static_buffer_addr; /* v10 */
+ void __iomem *d_static_buffer_size; /* v10 */

/* encoder registers */
void __iomem *e_frame_width;
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
index ed725db..f3d0a6f 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
@@ -226,6 +226,12 @@ static int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx)
ctx->scratch_buf_size +
(ctx->mv_count * ctx->mv_size);
break;
+ case S5P_MFC_CODEC_VP9_DEC:
+ mfc_debug(2, "Use min scratch buffer size\n");
+ ctx->bank1.size =
+ ctx->scratch_buf_size +
+ DEC_VP9_STATIC_BUFFER_SIZE;
+ break;
case S5P_MFC_CODEC_H264_ENC:
if (IS_MFCV10(dev)) {
mfc_debug(2, "Use min scratch buffer size\n");
@@ -336,6 +342,7 @@ static int s5p_mfc_alloc_instance_buffer_v6(struct s5p_mfc_ctx *ctx)
case S5P_MFC_CODEC_VC1_DEC:
case S5P_MFC_CODEC_MPEG2_DEC:
case S5P_MFC_CODEC_VP8_DEC:
+ case S5P_MFC_CODEC_VP9_DEC:
ctx->ctx.size = buf_size->other_dec_ctx;
break;
case S5P_MFC_CODEC_H264_ENC:
@@ -566,6 +573,13 @@ static int s5p_mfc_set_dec_frame_buffer_v6(struct s5p_mfc_ctx *ctx)
buf_size1 -= frame_size_mv;
}
}
+ if (ctx->codec_mode == S5P_FIMV_CODEC_VP9_DEC) {
+ writel(buf_addr1, mfc_regs->d_static_buffer_addr);
+ writel(DEC_VP9_STATIC_BUFFER_SIZE,
+ mfc_regs->d_static_buffer_size);
+ buf_addr1 += DEC_VP9_STATIC_BUFFER_SIZE;
+ buf_size1 -= DEC_VP9_STATIC_BUFFER_SIZE;
+ }

mfc_debug(2, "Buf1: %zx, buf_size1: %d (frames %d)\n",
buf_addr1, buf_size1, ctx->total_dpb_count);
@@ -2272,6 +2286,18 @@ const struct s5p_mfc_regs *s5p_mfc_init_regs_v6_plus(struct s5p_mfc_dev *dev)
R(e_h264_options, S5P_FIMV_E_H264_OPTIONS_V8);
R(e_min_scratch_buffer_size, S5P_FIMV_E_MIN_SCRATCH_BUFFER_SIZE_V8);

+ if (!IS_MFCV10(dev))
+ goto done;
+
+ /* Initialize registers used in MFC v10 only.
+ * Also, over-write the registers which have
+ * a different offset for MFC v10.
+ */
+
+ /* decoder registers */
+ R(d_static_buffer_addr, S5P_FIMV_D_STATIC_BUFFER_ADDR_V10);
+ R(d_static_buffer_size, S5P_FIMV_D_STATIC_BUFFER_SIZE_V10);
+
done:
return &mfc_regs;
#undef S5P_MFC_REG_ADDR
--
2.7.4