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include: linux: Add PiSP specific image and config buffer formats

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Add the Raspberry Pi 5 PiSP specific compressed Bayer format types 1/2:
- V4L2_PIX_FMT_PISP_COMP1_xxx
- V4L2_PIX_FMT_PISP_COMP2_xxx

Add the Raspberry Pi 5 PiSP Frontend and Backend config formats:
- V4L2_META_FMT_RPI_FE_CFG
- V4L2_META_FMT_RPI_BE_CFG

Add the Raspberry Pi 5 PiSP Frontend statistics format:
- V4L2_META_FMT_RPI_FE_STATS

The corresponding changes submitted to the linux-media mailing list can
be found at:
(series "media: raspberrypi: Add support for PiSP Back End")
https://lore.kernel.org/linux-media/20240502110503.38412-4-jacopo.mondi@ideasonboard.com/
https://lore.kernel.org/linux-media/20240502110503.38412-5-jacopo.mondi@ideasonboard.com/

and for the DRM mailing at:
(patch "[RFC] drm/fourcc: Add RPI modifiers")
https://lore.kernel.org/dri-devel/20240226153854.99471-1-jacopo.mondi@ideasonboard.com/

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
This commit is contained in:
Naushir Patuck 2024-05-10 11:02:04 +01:00 • committed by Kieran Bingham
parent 1659e68cdc
commit b14f061150
2 changed files with 25 additions and 0 deletions
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4
include/linux/drm_fourcc.h
View file

@ -490,6 +490,7 @@ extern "C" {
#define DRM_FORMAT_MOD_VENDOR_ALLWINNER 0x09
#define DRM_FORMAT_MOD_VENDOR_AMLOGIC 0x0a
#define DRM_FORMAT_MOD_VENDOR_MIPI 0x0b
#define DRM_FORMAT_MOD_VENDOR_RPI 0x0c
/* add more to the end as needed */
@ -1670,6 +1671,9 @@ drm_fourcc_canonicalize_nvidia_format_mod(__u64 modifier)
*/
#define MIPI_FORMAT_MOD_CSI2_PACKED fourcc_mod_code(MIPI, 1)
#define PISP_FORMAT_MOD_COMPRESS_MODE1 fourcc_mod_code(RPI, 1)
#define PISP_FORMAT_MOD_COMPRESS_MODE2 fourcc_mod_code(RPI, 2)
#if defined(__cplusplus)
}
#endif

21
include/linux/videodev2.h
View file

@ -787,6 +787,18 @@ struct v4l2_pix_format {
#define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */
#define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */
/* Raspberry Pi PiSP compressed formats. */
#define V4L2_PIX_FMT_PISP_COMP1_RGGB v4l2_fourcc('P', 'C', '1', 'R') /* PiSP 8-bit mode 1 compressed RGGB bayer */
#define V4L2_PIX_FMT_PISP_COMP1_GRBG v4l2_fourcc('P', 'C', '1', 'G') /* PiSP 8-bit mode 1 compressed GRBG bayer */
#define V4L2_PIX_FMT_PISP_COMP1_GBRG v4l2_fourcc('P', 'C', '1', 'g') /* PiSP 8-bit mode 1 compressed GBRG bayer */
#define V4L2_PIX_FMT_PISP_COMP1_BGGR v4l2_fourcc('P', 'C', '1', 'B') /* PiSP 8-bit mode 1 compressed BGGR bayer */
#define V4L2_PIX_FMT_PISP_COMP1_MONO v4l2_fourcc('P', 'C', '1', 'M') /* PiSP 8-bit mode 1 compressed monochrome */
#define V4L2_PIX_FMT_PISP_COMP2_RGGB v4l2_fourcc('P', 'C', '2', 'R') /* PiSP 8-bit mode 2 compressed RGGB bayer */
#define V4L2_PIX_FMT_PISP_COMP2_GRBG v4l2_fourcc('P', 'C', '2', 'G') /* PiSP 8-bit mode 2 compressed GRBG bayer */
#define V4L2_PIX_FMT_PISP_COMP2_GBRG v4l2_fourcc('P', 'C', '2', 'g') /* PiSP 8-bit mode 2 compressed GBRG bayer */
#define V4L2_PIX_FMT_PISP_COMP2_BGGR v4l2_fourcc('P', 'C', '2', 'B') /* PiSP 8-bit mode 2 compressed BGGR bayer */
#define V4L2_PIX_FMT_PISP_COMP2_MONO v4l2_fourcc('P', 'C', '2', 'M') /* PiSP 8-bit mode 2 compressed monochrome */
/* SDR formats - used only for Software Defined Radio devices */
#define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
#define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
@ -816,6 +828,15 @@ struct v4l2_pix_format {
#define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */
#define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */
/* The metadata format identifier for BE configuration buffers. */
#define V4L2_META_FMT_RPI_BE_CFG v4l2_fourcc('R', 'P', 'B', 'C')
/* The metadata format identifier for FE configuration buffers. */
#define V4L2_META_FMT_RPI_FE_CFG v4l2_fourcc('R', 'P', 'F', 'C')
/* The metadata format identifier for FE stats buffers. */
#define V4L2_META_FMT_RPI_FE_STATS v4l2_fourcc('R', 'P', 'F', 'S')
/* priv field value to indicates that subsequent fields are valid. */
#define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe