From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
Add support to capture 8bit Bayer formats.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
---
.../platform/renesas/rzg2l-cru/rzg2l-cru.h | 5 ++
.../platform/renesas/rzg2l-cru/rzg2l-csi2.c | 7 ++-
.../platform/renesas/rzg2l-cru/rzg2l-ip.c | 9 +++-
.../platform/renesas/rzg2l-cru/rzg2l-video.c | 51 ++++++++++++++++---
4 files changed, 61 insertions(+), 11 deletions(-)
diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-cru.h b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-cru.h
index 174760239548..83c664cb0929 100644
--- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-cru.h
+++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-cru.h
@@ -58,6 +58,11 @@ struct rzg2l_cru_ip {
struct v4l2_subdev *remote;
};
+enum rzg2l_cru_fmt {
+ RZG2L_YUV = 0,
+ RZG2L_RAW_BAYER,
+ RZG2L_USER_DEFINED,
+};
/**
* struct rzg2l_cru_dev - Renesas CRU device structure
* @dev: (OF) device
diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c
index a7e4a0c109da..b14c92cd7c18 100644
--- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c
+++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c
@@ -18,6 +18,7 @@
#include <linux/sys_soc.h>
#include <linux/units.h>
+#include <media/mipi-csi2.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
#include <media/v4l2-fwnode.h>
@@ -188,7 +189,11 @@ struct rzg2l_csi2_format {
};
static const struct rzg2l_csi2_format rzg2l_csi2_formats[] = {
- { .code = MEDIA_BUS_FMT_UYVY8_1X16, .datatype = 0x1e, .bpp = 16 },
+ { .code = MEDIA_BUS_FMT_UYVY8_1X16, .datatype = MIPI_CSI2_DT_YUV422_8B, .bpp = 16 },
+ { .code = MEDIA_BUS_FMT_SBGGR8_1X8, .datatype = MIPI_CSI2_DT_RAW8, .bpp = 8, },
+ { .code = MEDIA_BUS_FMT_SGBRG8_1X8, .datatype = MIPI_CSI2_DT_RAW8, .bpp = 8, },
+ { .code = MEDIA_BUS_FMT_SGRBG8_1X8, .datatype = MIPI_CSI2_DT_RAW8, .bpp = 8, },
+ { .code = MEDIA_BUS_FMT_SRGGB8_1X8, .datatype = MIPI_CSI2_DT_RAW8, .bpp = 8, },
};
static inline struct rzg2l_csi2 *sd_to_csi2(struct v4l2_subdev *sd)
diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c
index ac8ebae4ed07..5f60be92ea85 100644
--- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c
+++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c
@@ -6,6 +6,7 @@
*/
#include <linux/delay.h>
+#include <media/mipi-csi2.h>
#include "rzg2l-cru.h"
struct rzg2l_cru_ip_format {
@@ -15,7 +16,11 @@ struct rzg2l_cru_ip_format {
};
static const struct rzg2l_cru_ip_format rzg2l_cru_ip_formats[] = {
- { .code = MEDIA_BUS_FMT_UYVY8_1X16, .datatype = 0x1e, .bpp = 16 },
+ { .code = MEDIA_BUS_FMT_UYVY8_1X16, .datatype = MIPI_CSI2_DT_YUV422_8B, .bpp = 16 },
+ { .code = MEDIA_BUS_FMT_SBGGR8_1X8, .datatype = MIPI_CSI2_DT_RAW8, .bpp = 8, },
+ { .code = MEDIA_BUS_FMT_SGBRG8_1X8, .datatype = MIPI_CSI2_DT_RAW8, .bpp = 8, },
+ { .code = MEDIA_BUS_FMT_SGRBG8_1X8, .datatype = MIPI_CSI2_DT_RAW8, .bpp = 8, },
+ { .code = MEDIA_BUS_FMT_SRGGB8_1X8, .datatype = MIPI_CSI2_DT_RAW8, .bpp = 8, },
};
enum rzg2l_csi2_pads {
@@ -149,7 +154,7 @@ static int rzg2l_cru_ip_enum_frame_size(struct v4l2_subdev *sd,
if (fse->index != 0)
return -EINVAL;
- if (fse->code != MEDIA_BUS_FMT_UYVY8_1X16)
+ if (!rzg2l_cru_ip_code_to_fmt(fse->code))
return -EINVAL;
fse->min_width = RZG2L_CRU_MIN_INPUT_WIDTH;
diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c
index 6101a070e785..66a0b80e8da7 100644
--- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c
+++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c
@@ -15,6 +15,7 @@
#include <linux/delay.h>
#include <linux/pm_runtime.h>
+#include <media/mipi-csi2.h>
#include <media/v4l2-ioctl.h>
#include <media/videobuf2-dma-contig.h>
@@ -78,6 +79,7 @@
#define ICnMC 0x208
#define ICnMC_CSCTHR BIT(5)
#define ICnMC_INF_YUV8_422 (0x1e << 16)
+#define ICnMC_INF_RAW8 (0x2a << 16)
#define ICnMC_INF_USER (0x30 << 16)
#define ICnMC_VCSEL(x) ((x) << 22)
#define ICnMC_INF_MASK GENMASK(21, 16)
@@ -203,6 +205,10 @@ static int rzg2l_cru_mc_validate_format(struct rzg2l_cru_dev *cru,
switch (fmt.format.code) {
case MEDIA_BUS_FMT_UYVY8_1X16:
+ case MEDIA_BUS_FMT_SBGGR8_1X8:
+ case MEDIA_BUS_FMT_SGBRG8_1X8:
+ case MEDIA_BUS_FMT_SGRBG8_1X8:
+ case MEDIA_BUS_FMT_SRGGB8_1X8:
break;
default:
return -EPIPE;
@@ -300,7 +306,7 @@ static void rzg2l_cru_initialize_axi(struct rzg2l_cru_dev *cru)
rzg2l_cru_write(cru, AMnAXIATTR, amnaxiattr);
}
-static void rzg2l_cru_csi2_setup(struct rzg2l_cru_dev *cru, bool *input_is_yuv,
+static void rzg2l_cru_csi2_setup(struct rzg2l_cru_dev *cru, enum rzg2l_cru_fmt *input_fmt,
struct v4l2_mbus_framefmt *ip_sd_fmt)
{
u32 icnmc;
@@ -308,11 +314,18 @@ static void rzg2l_cru_csi2_setup(struct rzg2l_cru_dev *cru, bool *input_is_yuv,
switch (ip_sd_fmt->code) {
case MEDIA_BUS_FMT_UYVY8_1X16:
icnmc = ICnMC_INF_YUV8_422;
- *input_is_yuv = true;
+ *input_fmt = RZG2L_YUV;
+ break;
+ case MEDIA_BUS_FMT_SBGGR8_1X8:
+ case MEDIA_BUS_FMT_SGBRG8_1X8:
+ case MEDIA_BUS_FMT_SGRBG8_1X8:
+ case MEDIA_BUS_FMT_SRGGB8_1X8:
+ icnmc = ICnMC_INF_RAW8;
+ *input_fmt = RZG2L_RAW_BAYER;
break;
default:
- *input_is_yuv = false;
icnmc = ICnMC_INF_USER;
+ *input_fmt = RZG2L_USER_DEFINED;
break;
}
@@ -327,17 +340,23 @@ static void rzg2l_cru_csi2_setup(struct rzg2l_cru_dev *cru, bool *input_is_yuv,
static int rzg2l_cru_initialize_image_conv(struct rzg2l_cru_dev *cru,
struct v4l2_mbus_framefmt *ip_sd_fmt)
{
- bool output_is_yuv = false;
- bool input_is_yuv = false;
+ enum rzg2l_cru_fmt input_fmt, output_fmt;
u32 icndmr;
- rzg2l_cru_csi2_setup(cru, &input_is_yuv, ip_sd_fmt);
+ rzg2l_cru_csi2_setup(cru, &input_fmt, ip_sd_fmt);
/* Output format */
switch (cru->format.pixelformat) {
case V4L2_PIX_FMT_UYVY:
icndmr = ICnDMR_YCMODE_UYVY;
- output_is_yuv = true;
+ output_fmt = RZG2L_YUV;
+ break;
+ case V4L2_PIX_FMT_SBGGR8:
+ case V4L2_PIX_FMT_SGBRG8:
+ case V4L2_PIX_FMT_SGRBG8:
+ case V4L2_PIX_FMT_SRGGB8:
+ icndmr = 0;
+ output_fmt = RZG2L_RAW_BAYER;
break;
default:
dev_err(cru->dev, "Invalid pixelformat (0x%x)\n",
@@ -346,7 +365,7 @@ static int rzg2l_cru_initialize_image_conv(struct rzg2l_cru_dev *cru,
}
/* If input and output use same colorspace, do bypass mode */
- if (output_is_yuv == input_is_yuv)
+ if (input_fmt == output_fmt)
rzg2l_cru_write(cru, ICnMC,
rzg2l_cru_read(cru, ICnMC) | ICnMC_CSCTHR);
else
@@ -809,6 +828,22 @@ static const struct v4l2_format_info rzg2l_cru_formats[] = {
.format = V4L2_PIX_FMT_UYVY,
.bpp[0] = 2,
},
+ {
+ .format = V4L2_PIX_FMT_SBGGR8,
+ .bpp[0] = 1,
+ },
+ {
+ .format = V4L2_PIX_FMT_SGBRG8,
+ .bpp[0] = 1,
+ },
+ {
+ .format = V4L2_PIX_FMT_SGRBG8,
+ .bpp[0] = 1,
+ },
+ {
+ .format = V4L2_PIX_FMT_SRGGB8,
+ .bpp[0] = 1,
+ },
};
const struct v4l2_format_info *rzg2l_cru_format_from_pixel(u32 format)
--
2.34.1
