[RFC 5/6] media: hantro: h1: NV12 single-plane support

From: Hugues Fruchet
Date: Wed Oct 04 2023 - 06:38:59 EST


Add support of NV12 single-plane input frame.

Signed-off-by: Hugues Fruchet <hugues.fruchet@xxxxxxxxxxx>
---
.../platform/verisilicon/hantro_h1_jpeg_enc.c | 42 +++++++++++--------
.../platform/verisilicon/hantro_h1_vp8_enc.c | 13 +++++-
2 files changed, 36 insertions(+), 19 deletions(-)

diff --git a/drivers/media/platform/verisilicon/hantro_h1_jpeg_enc.c b/drivers/media/platform/verisilicon/hantro_h1_jpeg_enc.c
index 12d69503d6ba..9cba30945421 100644
--- a/drivers/media/platform/verisilicon/hantro_h1_jpeg_enc.c
+++ b/drivers/media/platform/verisilicon/hantro_h1_jpeg_enc.c
@@ -42,9 +42,13 @@ static void hantro_h1_jpeg_enc_set_buffers(struct hantro_dev *vpu,
struct vb2_buffer *src_buf,
struct vb2_buffer *dst_buf)
{
+ const u32 src_addr_regs[] = { H1_REG_ADDR_IN_PLANE_0,
+ H1_REG_ADDR_IN_PLANE_1,
+ H1_REG_ADDR_IN_PLANE_2 };
struct v4l2_pix_format_mplane *pix_fmt = &ctx->src_fmt;
- dma_addr_t src[3];
+ size_t luma_size;
u32 size_left;
+ int i;

size_left = vb2_plane_size(dst_buf, 0) - ctx->vpu_dst_fmt->header_size;
if (WARN_ON(vb2_plane_size(dst_buf, 0) < ctx->vpu_dst_fmt->header_size))
@@ -57,23 +61,25 @@ static void hantro_h1_jpeg_enc_set_buffers(struct hantro_dev *vpu,
H1_REG_ADDR_OUTPUT_STREAM);
vepu_write_relaxed(vpu, size_left, H1_REG_STR_BUF_LIMIT);

- if (pix_fmt->num_planes == 1) {
- src[0] = vb2_dma_contig_plane_dma_addr(src_buf, 0);
- /* single plane formats we supported are all interlaced */
- vepu_write_relaxed(vpu, src[0], H1_REG_ADDR_IN_PLANE_0);
- } else if (pix_fmt->num_planes == 2) {
- src[0] = vb2_dma_contig_plane_dma_addr(src_buf, 0);
- src[1] = vb2_dma_contig_plane_dma_addr(src_buf, 1);
- vepu_write_relaxed(vpu, src[0], H1_REG_ADDR_IN_PLANE_0);
- vepu_write_relaxed(vpu, src[1], H1_REG_ADDR_IN_PLANE_1);
- } else {
- src[0] = vb2_dma_contig_plane_dma_addr(src_buf, 0);
- src[1] = vb2_dma_contig_plane_dma_addr(src_buf, 1);
- src[2] = vb2_dma_contig_plane_dma_addr(src_buf, 2);
- vepu_write_relaxed(vpu, src[0], H1_REG_ADDR_IN_PLANE_0);
- vepu_write_relaxed(vpu, src[1], H1_REG_ADDR_IN_PLANE_1);
- vepu_write_relaxed(vpu, src[2], H1_REG_ADDR_IN_PLANE_2);
- }
+ luma_size = hantro_rounded_luma_size(ctx->src_fmt.width,
+ ctx->src_fmt.height);
+
+ vepu_write_relaxed(vpu,
+ vb2_dma_contig_plane_dma_addr(src_buf, 0) +
+ src_buf->planes[0].data_offset,
+ src_addr_regs[0]);
+ vepu_write_relaxed(vpu,
+ vb2_dma_contig_plane_dma_addr(src_buf, 0) +
+ src_buf->planes[0].data_offset +
+ luma_size,
+ src_addr_regs[1]);
+
+ for (i = 1; i < pix_fmt->num_planes; ++i)
+ /* Multiplanes. */
+ vepu_write_relaxed(vpu,
+ vb2_dma_contig_plane_dma_addr(src_buf, i) +
+ src_buf->planes[i].data_offset,
+ src_addr_regs[i]);
}

static void
diff --git a/drivers/media/platform/verisilicon/hantro_h1_vp8_enc.c b/drivers/media/platform/verisilicon/hantro_h1_vp8_enc.c
index b7a635fb73b0..05aa0dd9c09c 100644
--- a/drivers/media/platform/verisilicon/hantro_h1_vp8_enc.c
+++ b/drivers/media/platform/verisilicon/hantro_h1_vp8_enc.c
@@ -1129,7 +1129,18 @@ hantro_h1_vp8_enc_set_buffers(struct hantro_dev *vpu, struct hantro_ctx *ctx, u3
H1_REG_ADDR_REC_CHROMA);

/* Source buffer. */
- for (i = 0; i < src_fmt->num_planes; ++i)
+ vepu_write_relaxed(vpu,
+ vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0) +
+ src_buf->vb2_buf.planes[0].data_offset,
+ src_addr_regs[0]);
+ vepu_write_relaxed(vpu,
+ vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0) +
+ src_buf->vb2_buf.planes[0].data_offset +
+ luma_size,
+ src_addr_regs[1]);
+
+ for (i = 1; i < src_fmt->num_planes; ++i)
+ /* Multiplanes. */
vepu_write_relaxed(vpu,
vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, i) +
src_buf->vb2_buf.planes[i].data_offset,
--
2.25.1