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Subject[PATCH v3 32/35] media: camss: Add support for 10-bit grayscale formats
Date
Add support for 10-bit packed V4L2_PIX_FMT_Y10P (on 8x16 and 8x96)
and unpacked V4L2_PIX_FMT_Y10 (on 8x96 only) pixel formats.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
---
drivers/media/platform/qcom/camss/camss-csid.c | 50 +++++++++++++++++++-----
drivers/media/platform/qcom/camss/camss-csiphy.c | 2 +
drivers/media/platform/qcom/camss/camss-ispif.c | 6 ++-
drivers/media/platform/qcom/camss/camss-vfe.c | 3 ++
drivers/media/platform/qcom/camss/camss-video.c | 6 +++
5 files changed, 56 insertions(+), 11 deletions(-)

diff --git a/drivers/media/platform/qcom/camss/camss-csid.c b/drivers/media/platform/qcom/camss/camss-csid.c
index 0b7f90d..a581377 100644
--- a/drivers/media/platform/qcom/camss/camss-csid.c
+++ b/drivers/media/platform/qcom/camss/camss-csid.c
@@ -193,7 +193,14 @@ static const struct csid_format csid_formats_8x16[] = {
DECODE_FORMAT_UNCOMPRESSED_12_BIT,
12,
1,
- }
+ },
+ {
+ MEDIA_BUS_FMT_Y10_1X10,
+ DATA_TYPE_RAW_10BIT,
+ DECODE_FORMAT_UNCOMPRESSED_10_BIT,
+ 10,
+ 1,
+ },
};

static const struct csid_format csid_formats_8x96[] = {
@@ -336,7 +343,14 @@ static const struct csid_format csid_formats_8x96[] = {
DECODE_FORMAT_UNCOMPRESSED_14_BIT,
14,
1,
- }
+ },
+ {
+ MEDIA_BUS_FMT_Y10_1X10,
+ DATA_TYPE_RAW_10BIT,
+ DECODE_FORMAT_UNCOMPRESSED_10_BIT,
+ 10,
+ 1,
+ },
};

static u32 csid_find_code(u32 *code, unsigned int n_code,
@@ -379,6 +393,16 @@ static u32 csid_src_pad_code(struct csid_device *csid, u32 sink_code,
return csid_find_code(src_code, ARRAY_SIZE(src_code),
index, src_req_code);
}
+ case MEDIA_BUS_FMT_Y10_1X10:
+ {
+ u32 src_code[] = {
+ MEDIA_BUS_FMT_Y10_1X10,
+ MEDIA_BUS_FMT_Y10_2X8_PADHI_LE,
+ };
+
+ return csid_find_code(src_code, ARRAY_SIZE(src_code),
+ index, src_req_code);
+ }
default:
if (index > 0)
return 0;
@@ -682,15 +706,21 @@ static int csid_set_stream(struct v4l2_subdev *sd, int enable)
val |= CAMSS_CSID_CID_n_CFG_RDI_EN;
val |= df << CAMSS_CSID_CID_n_CFG_DECODE_FORMAT_SHIFT;
val |= CAMSS_CSID_CID_n_CFG_RDI_MODE_RAW_DUMP;
- if (csid->camss->version == CAMSS_8x96 &&
- csid->fmt[MSM_CSID_PAD_SINK].code ==
- MEDIA_BUS_FMT_SBGGR10_1X10 &&
- csid->fmt[MSM_CSID_PAD_SRC].code ==
- MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE) {
- val |= CAMSS_CSID_CID_n_CFG_RDI_MODE_PLAIN_PACKING;
- val |= CAMSS_CSID_CID_n_CFG_PLAIN_FORMAT_16;
- val |= CAMSS_CSID_CID_n_CFG_PLAIN_ALIGNMENT_LSB;
+
+ if (csid->camss->version == CAMSS_8x96) {
+ u32 sink_code = csid->fmt[MSM_CSID_PAD_SINK].code;
+ u32 src_code = csid->fmt[MSM_CSID_PAD_SRC].code;
+
+ if ((sink_code == MEDIA_BUS_FMT_SBGGR10_1X10 &&
+ src_code == MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE) ||
+ (sink_code == MEDIA_BUS_FMT_Y10_1X10 &&
+ src_code == MEDIA_BUS_FMT_Y10_2X8_PADHI_LE)) {
+ val |= CAMSS_CSID_CID_n_CFG_RDI_MODE_PLAIN_PACKING;
+ val |= CAMSS_CSID_CID_n_CFG_PLAIN_FORMAT_16;
+ val |= CAMSS_CSID_CID_n_CFG_PLAIN_ALIGNMENT_LSB;
+ }
}
+
writel_relaxed(val, csid->base +
CAMSS_CSID_CID_n_CFG(ver, cid));

diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.c b/drivers/media/platform/qcom/camss/camss-csiphy.c
index 0b7bf1e..924f854 100644
--- a/drivers/media/platform/qcom/camss/camss-csiphy.c
+++ b/drivers/media/platform/qcom/camss/camss-csiphy.c
@@ -48,6 +48,7 @@ static const struct csiphy_format csiphy_formats_8x16[] = {
{ MEDIA_BUS_FMT_SGBRG12_1X12, 12 },
{ MEDIA_BUS_FMT_SGRBG12_1X12, 12 },
{ MEDIA_BUS_FMT_SRGGB12_1X12, 12 },
+ { MEDIA_BUS_FMT_Y10_1X10, 10 },
};

static const struct csiphy_format csiphy_formats_8x96[] = {
@@ -71,6 +72,7 @@ static const struct csiphy_format csiphy_formats_8x96[] = {
{ MEDIA_BUS_FMT_SGBRG14_1X14, 14 },
{ MEDIA_BUS_FMT_SGRBG14_1X14, 14 },
{ MEDIA_BUS_FMT_SRGGB14_1X14, 14 },
+ { MEDIA_BUS_FMT_Y10_1X10, 10 },
};

/*
diff --git a/drivers/media/platform/qcom/camss/camss-ispif.c b/drivers/media/platform/qcom/camss/camss-ispif.c
index 649596a..02f84bc 100644
--- a/drivers/media/platform/qcom/camss/camss-ispif.c
+++ b/drivers/media/platform/qcom/camss/camss-ispif.c
@@ -120,6 +120,7 @@ static const u32 ispif_formats_8x16[] = {
MEDIA_BUS_FMT_SGBRG12_1X12,
MEDIA_BUS_FMT_SGRBG12_1X12,
MEDIA_BUS_FMT_SRGGB12_1X12,
+ MEDIA_BUS_FMT_Y10_1X10,
};

static const u32 ispif_formats_8x96[] = {
@@ -144,6 +145,8 @@ static const u32 ispif_formats_8x96[] = {
MEDIA_BUS_FMT_SGBRG14_1X14,
MEDIA_BUS_FMT_SGRBG14_1X14,
MEDIA_BUS_FMT_SRGGB14_1X14,
+ MEDIA_BUS_FMT_Y10_1X10,
+ MEDIA_BUS_FMT_Y10_2X8_PADHI_LE,
};

/*
@@ -687,7 +690,8 @@ static void ispif_config_pack(struct ispif_device *ispif, u32 code,
{
u32 addr, val;

- if (code != MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE)
+ if (code != MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE &&
+ code != MEDIA_BUS_FMT_Y10_2X8_PADHI_LE)
return;

switch (intf) {
diff --git a/drivers/media/platform/qcom/camss/camss-vfe.c b/drivers/media/platform/qcom/camss/camss-vfe.c
index 269b7c8..053e55d 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe.c
+++ b/drivers/media/platform/qcom/camss/camss-vfe.c
@@ -70,6 +70,7 @@ static const struct vfe_format formats_rdi_8x16[] = {
{ MEDIA_BUS_FMT_SGBRG12_1X12, 12 },
{ MEDIA_BUS_FMT_SGRBG12_1X12, 12 },
{ MEDIA_BUS_FMT_SRGGB12_1X12, 12 },
+ { MEDIA_BUS_FMT_Y10_1X10, 10 },
};

static const struct vfe_format formats_pix_8x16[] = {
@@ -101,6 +102,8 @@ static const struct vfe_format formats_rdi_8x96[] = {
{ MEDIA_BUS_FMT_SGBRG14_1X14, 14 },
{ MEDIA_BUS_FMT_SGRBG14_1X14, 14 },
{ MEDIA_BUS_FMT_SRGGB14_1X14, 14 },
+ { MEDIA_BUS_FMT_Y10_1X10, 10 },
+ { MEDIA_BUS_FMT_Y10_2X8_PADHI_LE, 16 },
};

static const struct vfe_format formats_pix_8x96[] = {
diff --git a/drivers/media/platform/qcom/camss/camss-video.c b/drivers/media/platform/qcom/camss/camss-video.c
index 2e19bc8..c9bb0d0 100644
--- a/drivers/media/platform/qcom/camss/camss-video.c
+++ b/drivers/media/platform/qcom/camss/camss-video.c
@@ -74,6 +74,8 @@ static const struct camss_format_info formats_rdi_8x16[] = {
{ { 1, 1 } }, { { 1, 1 } }, { 12 } },
{ MEDIA_BUS_FMT_SRGGB12_1X12, V4L2_PIX_FMT_SRGGB12P, 1,
{ { 1, 1 } }, { { 1, 1 } }, { 12 } },
+ { MEDIA_BUS_FMT_Y10_1X10, V4L2_PIX_FMT_Y10P, 1,
+ { { 1, 1 } }, { { 1, 1 } }, { 10 } },
};

static const struct camss_format_info formats_rdi_8x96[] = {
@@ -119,6 +121,10 @@ static const struct camss_format_info formats_rdi_8x96[] = {
{ { 1, 1 } }, { { 1, 1 } }, { 14 } },
{ MEDIA_BUS_FMT_SRGGB14_1X14, V4L2_PIX_FMT_SRGGB14P, 1,
{ { 1, 1 } }, { { 1, 1 } }, { 14 } },
+ { MEDIA_BUS_FMT_Y10_1X10, V4L2_PIX_FMT_Y10P, 1,
+ { { 1, 1 } }, { { 1, 1 } }, { 10 } },
+ { MEDIA_BUS_FMT_Y10_2X8_PADHI_LE, V4L2_PIX_FMT_Y10, 1,
+ { { 1, 1 } }, { { 1, 1 } }, { 16 } },
};

static const struct camss_format_info formats_pix_8x16[] = {
--
2.7.4
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