[PATCH v2 45/66] media: sun6i-csi: Introduce capture format structure, list and helper

Paul Kocialkowski
2022-02-05T19:30:36Z

Add a table that describes each pixel format and associated output
register configuration with necessary tweaks. It will be used later on
to configure the hardware.

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
---
.../sunxi/sun6i-csi/sun6i_csi_capture.c | 199 ++++++++++++++----
.../sunxi/sun6i-csi/sun6i_csi_capture.h | 12 ++
2 files changed, 175 insertions(+), 36 deletions(-)

diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c
index 726416d98c46..8e71c81cd54f 100644
--- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c
+++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c
@@ -60,45 +60,171 @@ sun6i_csi_capture_remote_subdev(struct sun6i_csi_capture *capture, u32 *pad)

/* Format */

-static const u32 sun6i_csi_capture_formats[] = {
- V4L2_PIX_FMT_SBGGR8,
- V4L2_PIX_FMT_SGBRG8,
- V4L2_PIX_FMT_SGRBG8,
- V4L2_PIX_FMT_SRGGB8,
- V4L2_PIX_FMT_SBGGR10,
- V4L2_PIX_FMT_SGBRG10,
- V4L2_PIX_FMT_SGRBG10,
- V4L2_PIX_FMT_SRGGB10,
- V4L2_PIX_FMT_SBGGR12,
- V4L2_PIX_FMT_SGBRG12,
- V4L2_PIX_FMT_SGRBG12,
- V4L2_PIX_FMT_SRGGB12,
- V4L2_PIX_FMT_YUYV,
- V4L2_PIX_FMT_YVYU,
- V4L2_PIX_FMT_UYVY,
- V4L2_PIX_FMT_VYUY,
- V4L2_PIX_FMT_NV12_16L16,
- V4L2_PIX_FMT_NV12,
- V4L2_PIX_FMT_NV21,
- V4L2_PIX_FMT_YUV420,
- V4L2_PIX_FMT_YVU420,
- V4L2_PIX_FMT_NV16,
- V4L2_PIX_FMT_NV61,
- V4L2_PIX_FMT_YUV422P,
- V4L2_PIX_FMT_RGB565,
- V4L2_PIX_FMT_RGB565X,
- V4L2_PIX_FMT_JPEG,
+static const struct sun6i_csi_capture_format sun6i_csi_capture_formats[] = {
+ /* Bayer */
+ {
+ .pixelformat = V4L2_PIX_FMT_SBGGR8,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_RAW_8,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_RAW_8,
+ },
+ {
+ .pixelformat = V4L2_PIX_FMT_SGBRG8,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_RAW_8,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_RAW_8,
+ },
+ {
+ .pixelformat = V4L2_PIX_FMT_SGRBG8,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_RAW_8,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_RAW_8,
+ },
+ {
+ .pixelformat = V4L2_PIX_FMT_SRGGB8,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_RAW_8,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_RAW_8,
+ },
+ {
+ .pixelformat = V4L2_PIX_FMT_SBGGR10,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_RAW_10,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_RAW_10,
+ },
+ {
+ .pixelformat = V4L2_PIX_FMT_SGBRG10,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_RAW_10,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_RAW_10,
+ },
+ {
+ .pixelformat = V4L2_PIX_FMT_SGRBG10,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_RAW_10,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_RAW_10,
+ },
+ {
+ .pixelformat = V4L2_PIX_FMT_SRGGB10,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_RAW_10,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_RAW_10,
+ },
+ {
+ .pixelformat = V4L2_PIX_FMT_SBGGR12,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_RAW_12,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_RAW_12,
+ },
+ {
+ .pixelformat = V4L2_PIX_FMT_SGBRG12,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_RAW_12,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_RAW_12,
+ },
+ {
+ .pixelformat = V4L2_PIX_FMT_SGRBG12,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_RAW_12,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_RAW_12,
+ },
+ {
+ .pixelformat = V4L2_PIX_FMT_SRGGB12,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_RAW_12,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_RAW_12,
+ },
+ /* RGB */
+ {
+ .pixelformat = V4L2_PIX_FMT_RGB565,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_RGB565,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_RGB565,
+ },
+ {
+ .pixelformat = V4L2_PIX_FMT_RGB565X,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_RGB565,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_RGB565,
+ },
+ /* YUV422 */
+ {
+ .pixelformat = V4L2_PIX_FMT_YUYV,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_RAW_8,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_RAW_8,
+ .input_format_raw = true,
+ .hsize_len_factor = 2,
+ },
+ {
+ .pixelformat = V4L2_PIX_FMT_YVYU,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_RAW_8,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_RAW_8,
+ .input_format_raw = true,
+ .hsize_len_factor = 2,
+ },
+ {
+ .pixelformat = V4L2_PIX_FMT_UYVY,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_RAW_8,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_RAW_8,
+ .input_format_raw = true,
+ .hsize_len_factor = 2,
+ },
+ {
+ .pixelformat = V4L2_PIX_FMT_VYUY,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_RAW_8,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_RAW_8,
+ .input_format_raw = true,
+ .hsize_len_factor = 2,
+ },
+ {
+ .pixelformat = V4L2_PIX_FMT_NV16,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_YUV422SP,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_YUV422SP,
+ },
+ {
+ .pixelformat = V4L2_PIX_FMT_NV61,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_YUV422SP,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_YUV422SP,
+ .input_yuv_seq_invert = true,
+ },
+ {
+ .pixelformat = V4L2_PIX_FMT_YUV422P,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_YUV422P,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_YUV422P,
+ },
+ /* YUV420 */
+ {
+ .pixelformat = V4L2_PIX_FMT_NV12_16L16,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_YUV420MB,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_YUV420MB,
+ },
+ {
+ .pixelformat = V4L2_PIX_FMT_NV12,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_YUV420SP,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_YUV420SP,
+ },
+ {
+ .pixelformat = V4L2_PIX_FMT_NV21,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_YUV420SP,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_YUV420SP,
+ .input_yuv_seq_invert = true,
+ },
+
+ {
+ .pixelformat = V4L2_PIX_FMT_YUV420,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_YUV420P,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_YUV420P,
+ },
+ {
+ .pixelformat = V4L2_PIX_FMT_YVU420,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_YUV420P,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_YUV420P,
+ .input_yuv_seq_invert = true,
+ },
+ /* Compressed */
+ {
+ .pixelformat = V4L2_PIX_FMT_JPEG,
+ .output_format_frame = SUN6I_CSI_OUTPUT_FMT_FRAME_RAW_8,
+ .output_format_field = SUN6I_CSI_OUTPUT_FMT_FIELD_RAW_8,
+ },
};

-static bool sun6i_csi_capture_format_check(u32 format)
+const
+struct sun6i_csi_capture_format *sun6i_csi_capture_format_find(u32 pixelformat)
{
unsigned int i;

for (i = 0; i < ARRAY_SIZE(sun6i_csi_capture_formats); i++)
- if (sun6i_csi_capture_formats[i] == format)
- return true;
+ if (sun6i_csi_capture_formats[i].pixelformat == pixelformat)
+ return &sun6i_csi_capture_formats[i];

- return false;
+ return NULL;
}

/* Capture */
@@ -820,8 +946,9 @@ static void sun6i_csi_capture_format_prepare(struct v4l2_format *format)
&pix_format->height, SUN6I_CSI_CAPTURE_HEIGHT_MIN,
SUN6I_CSI_CAPTURE_HEIGHT_MAX, 1, 0);

- if (!sun6i_csi_capture_format_check(pix_format->pixelformat))
- pix_format->pixelformat = sun6i_csi_capture_formats[0];
+ if (!sun6i_csi_capture_format_find(pix_format->pixelformat))
+ pix_format->pixelformat =
+ sun6i_csi_capture_formats[0].pixelformat;

width = pix_format->width;
height = pix_format->height;
@@ -872,7 +999,7 @@ static int sun6i_csi_capture_enum_fmt(struct file *file, void *private,
if (index >= ARRAY_SIZE(sun6i_csi_capture_formats))
return -EINVAL;

- fmtdesc->pixelformat = sun6i_csi_capture_formats[index];
+ fmtdesc->pixelformat = sun6i_csi_capture_formats[index].pixelformat;

return 0;
}
@@ -1144,7 +1271,7 @@ int sun6i_csi_capture_setup(struct sun6i_csi_device *csi_dev)
/* V4L2 Format */

format->type = queue->type;
- pix_format->pixelformat = sun6i_csi_capture_formats[0];
+ pix_format->pixelformat = sun6i_csi_capture_formats[0].pixelformat;
pix_format->width = 1280;
pix_format->height = 720;
pix_format->field = V4L2_FIELD_NONE;
diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h
index 3b9759e1563d..4b1ff19edc2f 100644
--- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h
+++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.h
@@ -18,6 +18,15 @@

struct sun6i_csi_device;

+struct sun6i_csi_capture_format {
+ u32 pixelformat;
+ u8 output_format_field;
+ u8 output_format_frame;
+ bool input_yuv_seq_invert;
+ bool input_format_raw;
+ u32 hsize_len_factor;
+};
+
#undef current
struct sun6i_csi_capture_state {
struct list_head queue;
@@ -46,6 +55,9 @@ void sun6i_csi_capture_dimensions(struct sun6i_csi_device *csi_dev,
void sun6i_csi_capture_format(struct sun6i_csi_device *csi_dev,
u32 *pixelformat, u32 *field);

+const
+struct sun6i_csi_capture_format *sun6i_csi_capture_format_find(u32 pixelformat);
+
void sun6i_csi_capture_sync(struct sun6i_csi_device *csi_dev);
void sun6i_csi_capture_frame_done(struct sun6i_csi_device *csi_dev);

--
2.34.1