[Patch v2 04/11] s5p-mfc: Support MFCv10.10 buffer requirements

From: Smitha T Murthy
Date: Fri Mar 03 2017 - 05:18:25 EST

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Aligning the luma_dpb_size, chroma_dpb_size, mv_size and me_buffer_size
for MFCv10.10.

Signed-off-by: Smitha T Murthy <smitha.t@xxxxxxxxxxx>
---
drivers/media/platform/s5p-mfc/regs-mfc-v10.h | 19 +++++
drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c | 99 ++++++++++++++++++-----
drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h | 2 +
3 files changed, 99 insertions(+), 21 deletions(-)

diff --git a/drivers/media/platform/s5p-mfc/regs-mfc-v10.h b/drivers/media/platform/s5p-mfc/regs-mfc-v10.h
index bd671a5..dafcf9d 100644
--- a/drivers/media/platform/s5p-mfc/regs-mfc-v10.h
+++ b/drivers/media/platform/s5p-mfc/regs-mfc-v10.h
@@ -32,5 +32,24 @@
#define MFC_VERSION_V10 0xA0
#define MFC_NUM_PORTS_V10 1

+/* MFCv10 codec defines*/
+#define S5P_FIMV_CODEC_HEVC_ENC 26
+
+/* Encoder buffer size for MFC v10.0 */
+#define ENC_V100_BASE_SIZE(x, y) \
+ (((x + 3) * (y + 3) * 8) \
+ + ((y * 64) + 1280) * DIV_ROUND_UP(x, 8))
+
+#define ENC_V100_H264_ME_SIZE(x, y) \
+ (ENC_V100_BASE_SIZE(x, y) \
+ + (DIV_ROUND_UP(x * y, 64) * 32))
+
+#define ENC_V100_MPEG4_ME_SIZE(x, y) \
+ (ENC_V100_BASE_SIZE(x, y) \
+ + (DIV_ROUND_UP(x * y, 128) * 16))
+
+#define ENC_V100_VP8_ME_SIZE(x, y) \
+ ENC_V100_BASE_SIZE(x, y)
+
#endif /*_REGS_MFC_V10_H*/

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 5f0da0b..d4c75eb 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
@@ -45,6 +45,8 @@

#define IS_MFCV6_V2(dev) (!IS_MFCV7_PLUS(dev) && dev->fw_ver == MFC_FW_V2)

+#define calc_param(value, align) (DIV_ROUND_UP(value, align) * align)
+
/* Allocate temporary buffers for decoding */
static int s5p_mfc_alloc_dec_temp_buffers_v6(struct s5p_mfc_ctx *ctx)
{
@@ -64,6 +66,7 @@ static int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
unsigned int mb_width, mb_height;
+ unsigned int lcu_width = 0, lcu_height = 0;
int ret;

mb_width = MB_WIDTH(ctx->img_width);
@@ -74,7 +77,9 @@ static int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx)
ctx->luma_size, ctx->chroma_size, ctx->mv_size);
mfc_debug(2, "Totals bufs: %d\n", ctx->total_dpb_count);
} else if (ctx->type == MFCINST_ENCODER) {
- if (IS_MFCV8_PLUS(dev))
+ if (IS_MFCV10(dev)) {
+ ctx->tmv_buffer_size = 0;
+ } else if (IS_MFCV8_PLUS(dev))
ctx->tmv_buffer_size = S5P_FIMV_NUM_TMV_BUFFERS_V6 *
ALIGN(S5P_FIMV_TMV_BUFFER_SIZE_V8(mb_width, mb_height),
S5P_FIMV_TMV_BUFFER_ALIGN_V6);
@@ -82,13 +87,36 @@ static int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx)
ctx->tmv_buffer_size = S5P_FIMV_NUM_TMV_BUFFERS_V6 *
ALIGN(S5P_FIMV_TMV_BUFFER_SIZE_V6(mb_width, mb_height),
S5P_FIMV_TMV_BUFFER_ALIGN_V6);
-
- ctx->luma_dpb_size = ALIGN((mb_width * mb_height) *
- S5P_FIMV_LUMA_MB_TO_PIXEL_V6,
- S5P_FIMV_LUMA_DPB_BUFFER_ALIGN_V6);
- ctx->chroma_dpb_size = ALIGN((mb_width * mb_height) *
- S5P_FIMV_CHROMA_MB_TO_PIXEL_V6,
- S5P_FIMV_CHROMA_DPB_BUFFER_ALIGN_V6);
+ if (IS_MFCV10(dev)) {
+ lcu_width = enc_lcu_width(ctx->img_width);
+ lcu_height = enc_lcu_height(ctx->img_height);
+ if (ctx->codec_mode != S5P_FIMV_CODEC_HEVC_ENC) {
+ ctx->luma_dpb_size =
+ ALIGN(calc_param((mb_width * 16), 64)
+ * calc_param((mb_height * 16), 32)
+ + 64, 64);
+ ctx->chroma_dpb_size =
+ ALIGN(calc_param((mb_width * 16), 64)
+ * (mb_height * 8)
+ + 64, 64);
+ } else {
+ ctx->luma_dpb_size =
+ ALIGN(calc_param((lcu_width * 32), 64)
+ * calc_param((lcu_height * 32), 32)
+ + 64, 64);
+ ctx->chroma_dpb_size =
+ ALIGN(calc_param((lcu_width * 32), 64)
+ * (lcu_height * 16)
+ + 64, 64);
+ }
+ } else {
+ ctx->luma_dpb_size = ALIGN((mb_width * mb_height) *
+ S5P_FIMV_LUMA_MB_TO_PIXEL_V6,
+ S5P_FIMV_LUMA_DPB_BUFFER_ALIGN_V6);
+ ctx->chroma_dpb_size = ALIGN((mb_width * mb_height) *
+ S5P_FIMV_CHROMA_MB_TO_PIXEL_V6,
+ S5P_FIMV_CHROMA_DPB_BUFFER_ALIGN_V6);
+ }
if (IS_MFCV8_PLUS(dev))
ctx->me_buffer_size = ALIGN(S5P_FIMV_ME_BUFFER_SIZE_V8(
ctx->img_width, ctx->img_height,
@@ -197,6 +225,8 @@ static int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx)
case S5P_MFC_CODEC_H264_ENC:
if (IS_MFCV10(dev)) {
mfc_debug(2, "Use min scratch buffer size\n");
+ ctx->me_buffer_size =
+ ALIGN(ENC_V100_H264_ME_SIZE(mb_width, mb_height), 16);
} else if (IS_MFCV8_PLUS(dev))
ctx->scratch_buf_size =
S5P_FIMV_SCRATCH_BUF_SIZE_H264_ENC_V8(
@@ -219,6 +249,9 @@ static int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx)
case S5P_MFC_CODEC_H263_ENC:
if (IS_MFCV10(dev)) {
mfc_debug(2, "Use min scratch buffer size\n");
+ ctx->me_buffer_size =
+ ALIGN(ENC_V100_MPEG4_ME_SIZE(mb_width,
+ mb_height), 16);
} else
ctx->scratch_buf_size =
S5P_FIMV_SCRATCH_BUF_SIZE_MPEG4_ENC_V6(
@@ -235,7 +268,10 @@ static int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx)
case S5P_MFC_CODEC_VP8_ENC:
if (IS_MFCV10(dev)) {
mfc_debug(2, "Use min scratch buffer size\n");
- } else if (IS_MFCV8_PLUS(dev))
+ ctx->me_buffer_size =
+ ALIGN(ENC_V100_VP8_ME_SIZE(mb_width, mb_height),
+ 16);
+ } else if (IS_MFCV8_PLUS(dev))
ctx->scratch_buf_size =
S5P_FIMV_SCRATCH_BUF_SIZE_VP8_ENC_V8(
mb_width,
@@ -395,13 +431,15 @@ static void s5p_mfc_dec_calc_dpb_size_v6(struct s5p_mfc_ctx *ctx)

if (ctx->codec_mode == S5P_MFC_CODEC_H264_DEC ||
ctx->codec_mode == S5P_MFC_CODEC_H264_MVC_DEC) {
- if (IS_MFCV10(dev))
+ if (IS_MFCV10(dev)) {
ctx->mv_size = S5P_MFC_DEC_MV_SIZE_V10(ctx->img_width,
ctx->img_height);
- else
+ ctx->mv_size = ALIGN(ctx->mv_size, 32);
+ } else {
ctx->mv_size = S5P_MFC_DEC_MV_SIZE_V6(ctx->img_width,
ctx->img_height);
- ctx->mv_size = ALIGN(ctx->mv_size, 16);
+ ctx->mv_size = ALIGN(ctx->mv_size, 16);
+ }
} else {
ctx->mv_size = 0;
}
@@ -598,15 +636,34 @@ static int s5p_mfc_set_enc_ref_buffer_v6(struct s5p_mfc_ctx *ctx)

mfc_debug(2, "Buf1: %p (%d)\n", (void *)buf_addr1, buf_size1);

- for (i = 0; i < ctx->pb_count; i++) {
- writel(buf_addr1, mfc_regs->e_luma_dpb + (4 * i));
- buf_addr1 += ctx->luma_dpb_size;
- writel(buf_addr1, mfc_regs->e_chroma_dpb + (4 * i));
- buf_addr1 += ctx->chroma_dpb_size;
- writel(buf_addr1, mfc_regs->e_me_buffer + (4 * i));
- buf_addr1 += ctx->me_buffer_size;
- buf_size1 -= (ctx->luma_dpb_size + ctx->chroma_dpb_size +
- ctx->me_buffer_size);
+ if (IS_MFCV10(dev)) {
+ /* start address of per buffer is aligned */
+ for (i = 0; i < ctx->pb_count; i++) {
+ writel(buf_addr1, mfc_regs->e_luma_dpb + (4 * i));
+ buf_addr1 += ctx->luma_dpb_size;
+ buf_size1 -= ctx->luma_dpb_size;
+ }
+ for (i = 0; i < ctx->pb_count; i++) {
+ writel(buf_addr1, mfc_regs->e_chroma_dpb + (4 * i));
+ buf_addr1 += ctx->chroma_dpb_size;
+ buf_size1 -= ctx->chroma_dpb_size;
+ }
+ for (i = 0; i < ctx->pb_count; i++) {
+ writel(buf_addr1, mfc_regs->e_me_buffer + (4 * i));
+ buf_addr1 += ctx->me_buffer_size;
+ buf_size1 -= ctx->me_buffer_size;
+ }
+ } else {
+ for (i = 0; i < ctx->pb_count; i++) {
+ writel(buf_addr1, mfc_regs->e_luma_dpb + (4 * i));
+ buf_addr1 += ctx->luma_dpb_size;
+ writel(buf_addr1, mfc_regs->e_chroma_dpb + (4 * i));
+ buf_addr1 += ctx->chroma_dpb_size;
+ writel(buf_addr1, mfc_regs->e_me_buffer + (4 * i));
+ buf_addr1 += ctx->me_buffer_size;
+ buf_size1 -= (ctx->luma_dpb_size + ctx->chroma_dpb_size
+ + ctx->me_buffer_size);
+ }
}

writel(buf_addr1, mfc_regs->e_scratch_buffer_addr);
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 021b8db..975bbc5 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h
@@ -26,6 +26,8 @@
(((MB_HEIGHT(y)+1)/2)*2) * 64 + 128)
#define S5P_MFC_DEC_MV_SIZE_V10(x, y) (MB_WIDTH(x) * \
(((MB_HEIGHT(y)+1)/2)*2) * 64 + 512)
+#define enc_lcu_width(x_size) DIV_ROUND_UP(x_size, 32)
+#define enc_lcu_height(y_size) DIV_ROUND_UP(y_size, 32)

/* Definition */
#define ENC_MULTI_SLICE_MB_MAX ((1 << 30) - 1)
--
1.7.2.3

Next message: Peter Chen: "Re: [PATCH v17 2/3] usb: USB Type-C connector class"
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In reply to: Andrzej Hajda: "Re: [Patch v2 10/11] s5p-mfc: Add support for HEVC encoder"
Next in thread: Andrzej Hajda: "Re: [Patch v2 04/11] s5p-mfc: Support MFCv10.10 buffer requirements"
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