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Message-id: <1484733729-25371-6-git-send-email-smitha.t@samsung.com>
Date: Wed, 18 Jan 2017 15:32:03 +0530
From: Smitha T Murthy <smitha.t@...sung.com>
To: linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: kyungmin.park@...sung.com, kamil@...as.org, jtp.park@...sung.com,
a.hajda@...sung.com, mchehab@...nel.org, pankaj.dubey@...sung.com,
krzk@...nel.org, m.szyprowski@...sung.com, s.nawrocki@...sung.com,
Smitha T Murthy <smitha.t@...sung.com>
Subject: [PATCH 05/11] [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@...sung.com>
---
drivers/media/platform/s5p-mfc/regs-mfc-v10.h | 3 +++
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 | 8 ++++++++
drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c | 18 ++++++++++++++++--
drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h | 5 +++++
6 files changed, 36 insertions(+), 2 deletions(-)
diff --git a/drivers/media/platform/s5p-mfc/regs-mfc-v10.h b/drivers/media/platform/s5p-mfc/regs-mfc-v10.h
index 153ee68..a57009a 100644
--- a/drivers/media/platform/s5p-mfc/regs-mfc-v10.h
+++ b/drivers/media/platform/s5p-mfc/regs-mfc-v10.h
@@ -32,6 +32,9 @@
#define MFC_VERSION_V10 0xA0
#define MFC_NUM_PORTS_V10 1
+/* MFCv10 codec defines*/
+#define S5P_FIMV_CODEC_HEVC_DEC 17
+
/* Encoder buffer size for MFC v10.0 */
#define ENC_V100_H264_ME_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 b1b1491..76eca67 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_cmd_v6.c
@@ -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;
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
index 998e24b..5c46060 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
@@ -79,6 +79,7 @@ static inline dma_addr_t s5p_mfc_mem_cookie(void *a, void *b)
#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
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
index 784b28e..9f459b3 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
@@ -156,6 +156,14 @@
.versions = MFC_V6_BIT | MFC_V7_BIT | MFC_V8_BIT |
MFC_V10_BIT,
},
+ {
+ .name = "HEVC Encoded Stream",
+ .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)
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 369210a..b6cb280 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
@@ -220,6 +220,13 @@ 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->scratch_buf_size = ALIGN(ctx->scratch_buf_size, 256);
+ 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");
@@ -322,6 +329,7 @@ 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:
@@ -438,6 +446,10 @@ static void s5p_mfc_dec_calc_dpb_size_v6(struct s5p_mfc_ctx *ctx)
ctx->img_height);
ctx->mv_size = ALIGN(ctx->mv_size, 16);
}
+ } 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;
}
@@ -526,7 +538,8 @@ 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);
}
@@ -549,7 +562,8 @@ 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;
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h
index 2b5a9f4..2e404d8 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h
@@ -29,6 +29,11 @@
#define enc_lcu_width(x_size) ((x_size + 31) / 32)
#define enc_lcu_height(y_size) ((y_size + 31) / 32)
+#define dec_lcu_width(x_size) ((x_size + 63) / 64)
+#define dec_lcu_height(y_size) ((y_size + 63) / 64)
+#define s5p_mfc_dec_hevc_mv_size(x, y) \
+ (dec_lcu_width(x) * dec_lcu_height(y) * 256 + 512)
+
/* Definition */
#define ENC_MULTI_SLICE_MB_MAX ((1 << 30) - 1)
#define ENC_MULTI_SLICE_BIT_MIN 2800
--
1.7.2.3
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