enable decoding 12-bit extended jpeg
Signed-off-by: Ming Qian <ming.qian@xxxxxxx>
---
.../media/platform/nxp/imx-jpeg/mxc-jpeg.c | 136 +++++++++++++++++-
1 file changed, 134 insertions(+), 2 deletions(-)
diff --git a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
index 7c3ad1ee4769..2dd52d593764 100644
--- a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
+++ b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
@@ -87,6 +87,20 @@ static const struct mxc_jpeg_fmt mxc_formats[] = {
.precision = 8,
.is_rgb = 1,
},
+ {
+ .name = "BGR 12bit", /*12-bit BGR packed format*/
+ .fourcc = V4L2_PIX_FMT_B312,
+ .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444,
+ .nc = 3,
+ .depth = 36,
+ .mem_planes = 1,
+ .comp_planes = 1,
+ .h_align = 3,
+ .v_align = 3,
+ .flags = MXC_JPEG_FMT_TYPE_RAW,
+ .precision = 12,
+ .is_rgb = 1,
+ },
{
.name = "ABGR", /* ABGR packed format */
.fourcc = V4L2_PIX_FMT_ABGR32,
@@ -101,6 +115,20 @@ static const struct mxc_jpeg_fmt mxc_formats[] = {
.precision = 8,
.is_rgb = 1,
},
+ {
+ .name = "ABGR 12bit", /* 12-bit ABGR packed format */
+ .fourcc = V4L2_PIX_FMT_B412,
+ .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444,
+ .nc = 4,
+ .depth = 48,
+ .mem_planes = 1,
+ .comp_planes = 1,
+ .h_align = 3,
+ .v_align = 3,
+ .flags = MXC_JPEG_FMT_TYPE_RAW,
+ .precision = 12,
+ .is_rgb = 1,
+ },
{
.name = "YUV420", /* 1st plane = Y, 2nd plane = UV */
.fourcc = V4L2_PIX_FMT_NV12M,
@@ -127,6 +155,32 @@ static const struct mxc_jpeg_fmt mxc_formats[] = {
.flags = MXC_JPEG_FMT_TYPE_RAW,
.precision = 8,
},
+ {
+ .name = "YUV420 12bit", /* 1st plane = Y, 2nd plane = UV */
+ .fourcc = V4L2_PIX_FMT_P012M,
+ .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420,
+ .nc = 3,
+ .depth = 18, /* 6 x 12 bits (4Y + UV) for 4 pixels */
+ .mem_planes = 2,
+ .comp_planes = 2, /* 1 plane Y, 1 plane UV interleaved */
+ .h_align = 4,
+ .v_align = 4,
+ .flags = MXC_JPEG_FMT_TYPE_RAW,
+ .precision = 12,
+ },
+ {
+ .name = "YUV420 12bit", /* 1st plane = Y, 2nd plane = UV */
+ .fourcc = V4L2_PIX_FMT_P012,
+ .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420,
+ .nc = 3,
+ .depth = 18, /* 6 x 12 bits (4Y + UV) for 4 pixels */
+ .mem_planes = 1,
+ .comp_planes = 2, /* 1 plane Y, 1 plane UV interleaved */
+ .h_align = 4,
+ .v_align = 4,
+ .flags = MXC_JPEG_FMT_TYPE_RAW,
+ .precision = 12,
+ },
{
.name = "YUV422", /* YUYV */
.fourcc = V4L2_PIX_FMT_YUYV,
@@ -140,6 +194,19 @@ static const struct mxc_jpeg_fmt mxc_formats[] = {
.flags = MXC_JPEG_FMT_TYPE_RAW,
.precision = 8,
},
+ {
+ .name = "YUV422 12bit", /* YUYV */
+ .fourcc = V4L2_PIX_FMT_Y212,
+ .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422,
+ .nc = 3,
+ .depth = 24,
+ .mem_planes = 1,
+ .comp_planes = 1,
+ .h_align = 4,
+ .v_align = 3,
+ .flags = MXC_JPEG_FMT_TYPE_RAW,
+ .precision = 12,
+ },
{
.name = "YUV444", /* YUVYUV */
.fourcc = V4L2_PIX_FMT_YUV24,
@@ -153,6 +220,19 @@ static const struct mxc_jpeg_fmt mxc_formats[] = {
.flags = MXC_JPEG_FMT_TYPE_RAW,
.precision = 8,
},
+ {
+ .name = "YUV444 12bit", /* YUVYUV */
+ .fourcc = V4L2_PIX_FMT_Y312,
+ .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444,
+ .nc = 3,
+ .depth = 36,
+ .mem_planes = 1,
+ .comp_planes = 1,
+ .h_align = 3,
+ .v_align = 3,
+ .flags = MXC_JPEG_FMT_TYPE_RAW,
+ .precision = 12,
+ },
{
.name = "Gray", /* Gray (Y8/Y12) or Single Comp */
.fourcc = V4L2_PIX_FMT_GREY,
@@ -166,6 +246,19 @@ static const struct mxc_jpeg_fmt mxc_formats[] = {
.flags = MXC_JPEG_FMT_TYPE_RAW,
.precision = 8,
},
+ {
+ .name = "Gray 12bit", /* Gray (Y8/Y12) or Single Comp */
+ .fourcc = V4L2_PIX_FMT_Y012,
+ .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY,
+ .nc = 1,
+ .depth = 12,
+ .mem_planes = 1,
+ .comp_planes = 1,
+ .h_align = 3,
+ .v_align = 3,
+ .flags = MXC_JPEG_FMT_TYPE_RAW,
+ .precision = 12,
+ },
};
#define MXC_JPEG_NUM_FORMATS ARRAY_SIZE(mxc_formats)
@@ -437,17 +530,24 @@ static enum mxc_jpeg_image_format mxc_jpeg_fourcc_to_imgfmt(u32 fourcc)
{
switch (fourcc) {
case V4L2_PIX_FMT_GREY:
+ case V4L2_PIX_FMT_Y012:
return MXC_JPEG_GRAY;
case V4L2_PIX_FMT_YUYV:
+ case V4L2_PIX_FMT_Y212:
return MXC_JPEG_YUV422;
case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV12M:
+ case V4L2_PIX_FMT_P012:
+ case V4L2_PIX_FMT_P012M:
return MXC_JPEG_YUV420;
case V4L2_PIX_FMT_YUV24:
+ case V4L2_PIX_FMT_Y312:
return MXC_JPEG_YUV444;
case V4L2_PIX_FMT_BGR24:
+ case V4L2_PIX_FMT_B312:
return MXC_JPEG_BGR;
case V4L2_PIX_FMT_ABGR32:
+ case V4L2_PIX_FMT_B412:
return MXC_JPEG_ABGR;
default:
return MXC_JPEG_INVALID;
@@ -483,6 +583,17 @@ static void mxc_jpeg_addrs(struct mxc_jpeg_desc *desc,
offset;
}
+static bool mxc_jpeg_is_extended_sequential(const struct mxc_jpeg_fmt *fmt)
+{
+ if (!fmt || !(fmt->flags & MXC_JPEG_FMT_TYPE_RAW))
+ return false;
+
+ if (fmt->precision > 8)
+ return true;
+
+ return false;
+}
+
static void notify_eos(struct mxc_jpeg_ctx *ctx)
{
const struct v4l2_event ev = {
@@ -767,24 +878,31 @@ static int mxc_jpeg_fixup_sof(struct mxc_jpeg_sof *sof,
switch (fourcc) {
case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV12M:
+ case V4L2_PIX_FMT_P012:
+ case V4L2_PIX_FMT_P012M:
sof->components_no = 3;
sof->comp[0].v = 0x2;
sof->comp[0].h = 0x2;
break;
case V4L2_PIX_FMT_YUYV:
+ case V4L2_PIX_FMT_Y212:
sof->components_no = 3;
sof->comp[0].v = 0x1;
sof->comp[0].h = 0x2;
break;
case V4L2_PIX_FMT_YUV24:
+ case V4L2_PIX_FMT_Y312:
case V4L2_PIX_FMT_BGR24:
+ case V4L2_PIX_FMT_B312:
default:
sof->components_no = 3;
break;
case V4L2_PIX_FMT_ABGR32:
+ case V4L2_PIX_FMT_B412:
sof->components_no = 4;
break;
case V4L2_PIX_FMT_GREY:
+ case V4L2_PIX_FMT_Y012:
sof->components_no = 1;
break;
}
@@ -804,20 +922,27 @@ static int mxc_jpeg_fixup_sos(struct mxc_jpeg_sos *sos,
switch (fourcc) {
case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV12M:
+ case V4L2_PIX_FMT_P012:
+ case V4L2_PIX_FMT_P012M:
sos->components_no = 3;
break;
case V4L2_PIX_FMT_YUYV:
+ case V4L2_PIX_FMT_Y212:
sos->components_no = 3;
break;
case V4L2_PIX_FMT_YUV24:
+ case V4L2_PIX_FMT_Y312:
case V4L2_PIX_FMT_BGR24:
+ case V4L2_PIX_FMT_B312:
default:
sos->components_no = 3;
break;
case V4L2_PIX_FMT_ABGR32:
+ case V4L2_PIX_FMT_B412:
sos->components_no = 4;
break;
case V4L2_PIX_FMT_GREY:
+ case V4L2_PIX_FMT_Y012:
sos->components_no = 1;
break;
}
@@ -847,12 +972,15 @@ static unsigned int mxc_jpeg_setup_cfg_stream(void *cfg_stream_vaddr,
u8 *cfg = (u8 *)cfg_stream_vaddr;
struct mxc_jpeg_sof *sof;
struct mxc_jpeg_sos *sos;
+ const struct mxc_jpeg_fmt *fmt = mxc_jpeg_find_format(fourcc);
+
+ if (!fmt)
+ return 0;
memcpy(cfg + offset, jpeg_soi, ARRAY_SIZE(jpeg_soi));
offset += ARRAY_SIZE(jpeg_soi);
- if (fourcc == V4L2_PIX_FMT_BGR24 ||
- fourcc == V4L2_PIX_FMT_ABGR32) {
+ if (fmt->is_rgb) {
memcpy(cfg + offset, jpeg_app14, sizeof(jpeg_app14));
offset += sizeof(jpeg_app14);
} else {
@@ -918,6 +1046,10 @@ static void mxc_jpeg_config_dec_desc(struct vb2_buffer *out_buf,
desc->stm_ctrl &= ~STM_CTRL_IMAGE_FORMAT(0xF); /* clear image format */
desc->stm_ctrl |= STM_CTRL_IMAGE_FORMAT(img_fmt);
desc->stm_ctrl |= STM_CTRL_BITBUF_PTR_CLR(1);
+ if (mxc_jpeg_is_extended_sequential(jpeg_src_buf->fmt))
+ desc->stm_ctrl |= STM_CTRL_PIXEL_PRECISION;
+ else
+ desc->stm_ctrl &= ~STM_CTRL_PIXEL_PRECISION;
desc->line_pitch = q_data_cap->bytesperline[0];
mxc_jpeg_addrs(desc, dst_buf, src_buf, 0);
mxc_jpeg_set_bufsize(desc, ALIGN(vb2_plane_size(src_buf, 0), 1024));
--
2.38.1
