[PATCH v2 2/5] include: linux: Update kernel headers to version v6.10-rc1
Kieran Bingham
kieran.bingham at ideasonboard.com
Thu May 30 23:47:18 CEST 2024
Quoting Hans de Goede (2024-05-30 18:15:57)
> Updated kernel headers to v6.10-rc1 using utils/update-kernel-headers.sh
> and re-instating libcamera local modifications.
>
> This includes adding include/linux/udmabuf.h which was not part
> of libcamera's include/linux headers before.
>
> Signed-off-by: Hans de Goede <hdegoede at redhat.com>
I thought I recalled we added something locally before it got merged for
RPi formats - but there's nothing being lost / removed here so I think
we're all good.
And the checkstyle warnings you mentioned are fine here. We should
figure out how to exclude this directory.
Reviewed-by: Kieran Bingham <kieran.bingham at ideasonboard.com>
> ---
> include/linux/README | 2 +-
> include/linux/drm_fourcc.h | 10 ++---
> include/linux/media-bus-format.h | 9 ++++
> include/linux/rkisp1-config.h | 56 +++++++++++++------------
> include/linux/udmabuf.h | 33 +++++++++++++++
> include/linux/v4l2-controls.h | 6 +++
> include/linux/v4l2-mediabus.h | 18 +++++---
> include/linux/v4l2-subdev.h | 29 ++++++++++---
> include/linux/videodev2.h | 72 ++++++++++++++++++++++++--------
> 9 files changed, 172 insertions(+), 63 deletions(-)
> create mode 100644 include/linux/udmabuf.h
>
> diff --git a/include/linux/README b/include/linux/README
> index 101e4997..b7795309 100644
> --- a/include/linux/README
> +++ b/include/linux/README
> @@ -1,4 +1,4 @@
> # SPDX-License-Identifier: CC0-1.0
>
> -Files in this directory are imported from v6.7 of the Linux kernel. Do not
> +Files in this directory are imported from v6.10-rc1 of the Linux kernel. Do not
> modify them manually.
> diff --git a/include/linux/drm_fourcc.h b/include/linux/drm_fourcc.h
> index b4e1a092..d8e99940 100644
> --- a/include/linux/drm_fourcc.h
> +++ b/include/linux/drm_fourcc.h
> @@ -54,7 +54,7 @@ extern "C" {
> * Format modifiers may change any property of the buffer, including the number
> * of planes and/or the required allocation size. Format modifiers are
> * vendor-namespaced, and as such the relationship between a fourcc code and a
> - * modifier is specific to the modifer being used. For example, some modifiers
> + * modifier is specific to the modifier being used. For example, some modifiers
> * may preserve meaning - such as number of planes - from the fourcc code,
> * whereas others may not.
> *
> @@ -79,7 +79,7 @@ extern "C" {
> * format.
> * - Higher-level programs interfacing with KMS/GBM/EGL/Vulkan/etc: these users
> * see modifiers as opaque tokens they can check for equality and intersect.
> - * These users musn't need to know to reason about the modifier value
> + * These users mustn't need to know to reason about the modifier value
> * (i.e. they are not expected to extract information out of the modifier).
> *
> * Vendors should document their modifier usage in as much detail as
> @@ -610,7 +610,7 @@ extern "C" {
> * This is a tiled layout using 4Kb tiles in row-major layout.
> * Within the tile pixels are laid out in 16 256 byte units / sub-tiles which
> * are arranged in four groups (two wide, two high) with column-major layout.
> - * Each group therefore consits out of four 256 byte units, which are also laid
> + * Each group therefore consists out of four 256 byte units, which are also laid
> * out as 2x2 column-major.
> * 256 byte units are made out of four 64 byte blocks of pixels, producing
> * either a square block or a 2:1 unit.
> @@ -1183,7 +1183,7 @@ drm_fourcc_canonicalize_nvidia_format_mod(__u64 modifier)
> */
>
> /*
> - * The top 4 bits (out of the 56 bits alloted for specifying vendor specific
> + * The top 4 bits (out of the 56 bits allotted for specifying vendor specific
> * modifiers) denote the category for modifiers. Currently we have three
> * categories of modifiers ie AFBC, MISC and AFRC. We can have a maximum of
> * sixteen different categories.
> @@ -1499,7 +1499,7 @@ drm_fourcc_canonicalize_nvidia_format_mod(__u64 modifier)
> * Amlogic FBC Memory Saving mode
> *
> * Indicates the storage is packed when pixel size is multiple of word
> - * boudaries, i.e. 8bit should be stored in this mode to save allocation
> + * boundaries, i.e. 8bit should be stored in this mode to save allocation
> * memory.
> *
> * This mode reduces body layout to 3072 bytes per 64x32 superblock with
> diff --git a/include/linux/media-bus-format.h b/include/linux/media-bus-format.h
> index f05f747e..d4c1d991 100644
> --- a/include/linux/media-bus-format.h
> +++ b/include/linux/media-bus-format.h
> @@ -174,4 +174,13 @@
> */
> #define MEDIA_BUS_FMT_METADATA_FIXED 0x7001
>
> +/* Generic line based metadata formats for serial buses. Next is 0x8008. */
> +#define MEDIA_BUS_FMT_META_8 0x8001
> +#define MEDIA_BUS_FMT_META_10 0x8002
> +#define MEDIA_BUS_FMT_META_12 0x8003
> +#define MEDIA_BUS_FMT_META_14 0x8004
> +#define MEDIA_BUS_FMT_META_16 0x8005
> +#define MEDIA_BUS_FMT_META_20 0x8006
> +#define MEDIA_BUS_FMT_META_24 0x8007
> +
> #endif /* __LINUX_MEDIA_BUS_FORMAT_H */
> diff --git a/include/linux/rkisp1-config.h b/include/linux/rkisp1-config.h
> index 2d1c448a..f87c6bd4 100644
> --- a/include/linux/rkisp1-config.h
> +++ b/include/linux/rkisp1-config.h
> @@ -4,8 +4,8 @@
> * Copyright (C) 2017 Rockchip Electronics Co., Ltd.
> */
>
> -#ifndef _UAPI_RKISP1_CONFIG_H
> -#define _UAPI_RKISP1_CONFIG_H
> +#ifndef _RKISP1_CONFIG_H
> +#define _RKISP1_CONFIG_H
>
> #include <linux/types.h>
>
> @@ -175,11 +175,14 @@
> /**
> * enum rkisp1_cif_isp_version - ISP variants
> *
> - * @RKISP1_V10: used at least in rk3288 and rk3399
> - * @RKISP1_V11: declared in the original vendor code, but not used
> - * @RKISP1_V12: used at least in rk3326 and px30
> - * @RKISP1_V13: used at least in rk1808
> - * @RKISP1_V_IMX8MP: used in at least imx8mp
> + * @RKISP1_V10: Used at least in RK3288 and RK3399.
> + * @RKISP1_V11: Declared in the original vendor code, but not used. Same number
> + * of entries in grids and histogram as v10.
> + * @RKISP1_V12: Used at least in RK3326 and PX30.
> + * @RKISP1_V13: Used at least in RK1808. Same number of entries in grids and
> + * histogram as v12.
> + * @RKISP1_V_IMX8MP: Used in at least i.MX8MP. Same number of entries in grids
> + * and histogram as v10.
> */
> enum rkisp1_cif_isp_version {
> RKISP1_V10 = 10,
> @@ -586,10 +589,9 @@ enum rkisp1_cif_isp_goc_mode {
> * as is reported by the hw_revision field of the struct media_device_info
> * that is returned by ioctl MEDIA_IOC_DEVICE_INFO.
> *
> - * Versions <= V11 have RKISP1_CIF_ISP_GAMMA_OUT_MAX_SAMPLES_V10
> - * entries, versions >= V12 have RKISP1_CIF_ISP_GAMMA_OUT_MAX_SAMPLES_V12
> - * entries. RKISP1_CIF_ISP_GAMMA_OUT_MAX_SAMPLES is equal to the maximum
> - * of the two.
> + * V10 has RKISP1_CIF_ISP_GAMMA_OUT_MAX_SAMPLES_V10 entries, V12 has
> + * RKISP1_CIF_ISP_GAMMA_OUT_MAX_SAMPLES_V12 entries.
> + * RKISP1_CIF_ISP_GAMMA_OUT_MAX_SAMPLES is equal to the maximum of the two.
> */
> struct rkisp1_cif_isp_goc_config {
> __u32 mode;
> @@ -609,10 +611,10 @@ struct rkisp1_cif_isp_goc_config {
> * as is reported by the hw_revision field of the struct media_device_info
> * that is returned by ioctl MEDIA_IOC_DEVICE_INFO.
> *
> - * Versions <= V11 have RKISP1_CIF_ISP_HISTOGRAM_WEIGHT_GRIDS_SIZE_V10
> - * entries, versions >= V12 have RKISP1_CIF_ISP_HISTOGRAM_WEIGHT_GRIDS_SIZE_V12
> - * entries. RKISP1_CIF_ISP_HISTOGRAM_WEIGHT_GRIDS_SIZE is equal to the maximum
> - * of the two.
> + * V10 has RKISP1_CIF_ISP_HISTOGRAM_WEIGHT_GRIDS_SIZE_V10 entries, V12 has
> + * RKISP1_CIF_ISP_HISTOGRAM_WEIGHT_GRIDS_SIZE_V12 entries.
> + * RKISP1_CIF_ISP_HISTOGRAM_WEIGHT_GRIDS_SIZE is equal to the maximum of the
> + * two.
> */
> struct rkisp1_cif_isp_hst_config {
> __u32 mode;
> @@ -904,9 +906,9 @@ struct rkisp1_cif_isp_bls_meas_val {
> * as is reported by the hw_revision field of the struct media_device_info
> * that is returned by ioctl MEDIA_IOC_DEVICE_INFO.
> *
> - * Versions <= V11 have RKISP1_CIF_ISP_AE_MEAN_MAX_V10 entries,
> - * versions >= V12 have RKISP1_CIF_ISP_AE_MEAN_MAX_V12 entries.
> - * RKISP1_CIF_ISP_AE_MEAN_MAX is equal to the maximum of the two.
> + * V10 has RKISP1_CIF_ISP_AE_MEAN_MAX_V10 entries, V12 has
> + * RKISP1_CIF_ISP_AE_MEAN_MAX_V12 entries. RKISP1_CIF_ISP_AE_MEAN_MAX is equal
> + * to the maximum of the two.
> *
> * Image is divided into 5x5 blocks on V10 and 9x9 blocks on V12.
> */
> @@ -946,21 +948,21 @@ struct rkisp1_cif_isp_af_stat {
> * integer part.
> *
> * The window of the measurements area is divided to 5x5 sub-windows for
> - * V10/V11 and to 9x9 sub-windows for V12. The histogram is then computed for
> - * each sub-window independently and the final result is a weighted average of
> - * the histogram measurements on all sub-windows. The window of the
> - * measurements area and the weight of each sub-window are configurable using
> + * V10 and to 9x9 sub-windows for V12. The histogram is then computed for each
> + * sub-window independently and the final result is a weighted average of the
> + * histogram measurements on all sub-windows. The window of the measurements
> + * area and the weight of each sub-window are configurable using
> * struct @rkisp1_cif_isp_hst_config.
> *
> - * The histogram contains 16 bins in V10/V11 and 32 bins in V12/V13.
> + * The histogram contains 16 bins in V10 and 32 bins in V12.
> *
> * The number of entries of @hist_bins depends on the hardware revision
> * as is reported by the hw_revision field of the struct media_device_info
> * that is returned by ioctl MEDIA_IOC_DEVICE_INFO.
> *
> - * Versions <= V11 have RKISP1_CIF_ISP_HIST_BIN_N_MAX_V10 entries,
> - * versions >= V12 have RKISP1_CIF_ISP_HIST_BIN_N_MAX_V12 entries.
> - * RKISP1_CIF_ISP_HIST_BIN_N_MAX is equal to the maximum of the two.
> + * V10 has RKISP1_CIF_ISP_HIST_BIN_N_MAX_V10 entries, V12 has
> + * RKISP1_CIF_ISP_HIST_BIN_N_MAX_V12 entries. RKISP1_CIF_ISP_HIST_BIN_N_MAX is
> + * equal to the maximum of the two.
> */
> struct rkisp1_cif_isp_hist_stat {
> __u32 hist_bins[RKISP1_CIF_ISP_HIST_BIN_N_MAX];
> @@ -994,4 +996,4 @@ struct rkisp1_stat_buffer {
> struct rkisp1_cif_isp_stat params;
> };
>
> -#endif /* _UAPI_RKISP1_CONFIG_H */
> +#endif /* _RKISP1_CONFIG_H */
> diff --git a/include/linux/udmabuf.h b/include/linux/udmabuf.h
> new file mode 100644
> index 00000000..76cc7de9
> --- /dev/null
> +++ b/include/linux/udmabuf.h
> @@ -0,0 +1,33 @@
> +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
> +#ifndef _LINUX_UDMABUF_H
> +#define _LINUX_UDMABUF_H
> +
> +#include <linux/types.h>
> +#include <linux/ioctl.h>
> +
> +#define UDMABUF_FLAGS_CLOEXEC 0x01
> +
> +struct udmabuf_create {
> + __u32 memfd;
> + __u32 flags;
> + __u64 offset;
> + __u64 size;
> +};
> +
> +struct udmabuf_create_item {
> + __u32 memfd;
> + __u32 __pad;
> + __u64 offset;
> + __u64 size;
> +};
> +
> +struct udmabuf_create_list {
> + __u32 flags;
> + __u32 count;
> + struct udmabuf_create_item list[];
> +};
> +
> +#define UDMABUF_CREATE _IOW('u', 0x42, struct udmabuf_create)
> +#define UDMABUF_CREATE_LIST _IOW('u', 0x43, struct udmabuf_create_list)
> +
> +#endif /* _LINUX_UDMABUF_H */
> diff --git a/include/linux/v4l2-controls.h b/include/linux/v4l2-controls.h
> index b9f64810..1e6e816b 100644
> --- a/include/linux/v4l2-controls.h
> +++ b/include/linux/v4l2-controls.h
> @@ -211,6 +211,12 @@ enum v4l2_colorfx {
> */
> #define V4L2_CID_USER_NPCM_BASE (V4L2_CID_USER_BASE + 0x11b0)
>
> +/*
> + * The base for THine THP7312 driver controls.
> + * We reserve 32 controls for this driver.
> + */
> +#define V4L2_CID_USER_THP7312_BASE (V4L2_CID_USER_BASE + 0x11c0)
> +
> /* MPEG-class control IDs */
> /* The MPEG controls are applicable to all codec controls
> * and the 'MPEG' part of the define is historical */
> diff --git a/include/linux/v4l2-mediabus.h b/include/linux/v4l2-mediabus.h
> index 2c318de1..097ef739 100644
> --- a/include/linux/v4l2-mediabus.h
> +++ b/include/linux/v4l2-mediabus.h
> @@ -19,12 +19,18 @@
> * @width: image width
> * @height: image height
> * @code: data format code (from enum v4l2_mbus_pixelcode)
> - * @field: used interlacing type (from enum v4l2_field)
> - * @colorspace: colorspace of the data (from enum v4l2_colorspace)
> - * @ycbcr_enc: YCbCr encoding of the data (from enum v4l2_ycbcr_encoding)
> - * @hsv_enc: HSV encoding of the data (from enum v4l2_hsv_encoding)
> - * @quantization: quantization of the data (from enum v4l2_quantization)
> - * @xfer_func: transfer function of the data (from enum v4l2_xfer_func)
> + * @field: used interlacing type (from enum v4l2_field), zero for metadata
> + * mbus codes
> + * @colorspace: colorspace of the data (from enum v4l2_colorspace), zero on
> + * metadata mbus codes
> + * @ycbcr_enc: YCbCr encoding of the data (from enum v4l2_ycbcr_encoding), zero
> + * for metadata mbus codes
> + * @hsv_enc: HSV encoding of the data (from enum v4l2_hsv_encoding), zero for
> + * metadata mbus codes
> + * @quantization: quantization of the data (from enum v4l2_quantization), zero
> + * for metadata mbus codes
> + * @xfer_func: transfer function of the data (from enum v4l2_xfer_func), zero
> + * for metadata mbus codes
> * @flags: flags (V4L2_MBUS_FRAMEFMT_*)
> * @reserved: reserved bytes that can be later used
> */
> diff --git a/include/linux/v4l2-subdev.h b/include/linux/v4l2-subdev.h
> index b383c2fe..2347e266 100644
> --- a/include/linux/v4l2-subdev.h
> +++ b/include/linux/v4l2-subdev.h
> @@ -50,6 +50,10 @@ struct v4l2_subdev_format {
> * @rect: pad crop rectangle boundaries
> * @stream: stream number, defined in subdev routing
> * @reserved: drivers and applications must zero this array
> + *
> + * The subdev crop API is an obsolete interface and may be removed in the
> + * future. It is superseded by the selection API. No new extensions to this
> + * structure will be accepted.
> */
> struct v4l2_subdev_crop {
> __u32 which;
> @@ -116,13 +120,15 @@ struct v4l2_subdev_frame_size_enum {
> * @pad: pad number, as reported by the media API
> * @interval: frame interval in seconds
> * @stream: stream number, defined in subdev routing
> + * @which: interval type (from enum v4l2_subdev_format_whence)
> * @reserved: drivers and applications must zero this array
> */
> struct v4l2_subdev_frame_interval {
> __u32 pad;
> struct v4l2_fract interval;
> __u32 stream;
> - __u32 reserved[8];
> + __u32 which;
> + __u32 reserved[7];
> };
>
> /**
> @@ -133,7 +139,7 @@ struct v4l2_subdev_frame_interval {
> * @width: frame width in pixels
> * @height: frame height in pixels
> * @interval: frame interval in seconds
> - * @which: format type (from enum v4l2_subdev_format_whence)
> + * @which: interval type (from enum v4l2_subdev_format_whence)
> * @stream: stream number, defined in subdev routing
> * @reserved: drivers and applications must zero this array
> */
> @@ -222,15 +228,19 @@ struct v4l2_subdev_route {
> * struct v4l2_subdev_routing - Subdev routing information
> *
> * @which: configuration type (from enum v4l2_subdev_format_whence)
> - * @num_routes: the total number of routes in the routes array
> + * @len_routes: the length of the routes array, in routes; set by the user, not
> + * modified by the kernel
> * @routes: pointer to the routes array
> + * @num_routes: the total number of routes, possibly more than fits in the
> + * routes array
> * @reserved: drivers and applications must zero this array
> */
> struct v4l2_subdev_routing {
> __u32 which;
> - __u32 num_routes;
> + __u32 len_routes;
> __u64 routes;
> - __u32 reserved[6];
> + __u32 num_routes;
> + __u32 reserved[11];
> };
>
> /*
> @@ -239,7 +249,14 @@ struct v4l2_subdev_routing {
> * set (which is the default), the 'stream' fields will be forced to 0 by the
> * kernel.
> */
> - #define V4L2_SUBDEV_CLIENT_CAP_STREAMS (1ULL << 0)
> +#define V4L2_SUBDEV_CLIENT_CAP_STREAMS (1ULL << 0)
> +
> +/*
> + * The client is aware of the struct v4l2_subdev_frame_interval which field. If
> + * this is not set (which is the default), the which field is forced to
> + * V4L2_SUBDEV_FORMAT_ACTIVE by the kernel.
> + */
> +#define V4L2_SUBDEV_CLIENT_CAP_INTERVAL_USES_WHICH (1ULL << 1)
>
> /**
> * struct v4l2_subdev_client_capability - Capabilities of the client accessing
> diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
> index 0b5482a0..7fe522e8 100644
> --- a/include/linux/videodev2.h
> +++ b/include/linux/videodev2.h
> @@ -574,6 +574,8 @@ struct v4l2_pix_format {
> #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */
> #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */
> #define V4L2_PIX_FMT_IPU3_Y10 v4l2_fourcc('i', 'p', '3', 'y') /* IPU3 packed 10-bit greyscale */
> +#define V4L2_PIX_FMT_Y12P v4l2_fourcc('Y', '1', '2', 'P') /* 12 Greyscale, MIPI RAW12 packed */
> +#define V4L2_PIX_FMT_Y14P v4l2_fourcc('Y', '1', '4', 'P') /* 14 Greyscale, MIPI RAW14 packed */
>
> /* Palette formats */
> #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */
> @@ -867,6 +869,7 @@ struct v4l2_fmtdesc {
> #define V4L2_FMT_FLAG_CSC_YCBCR_ENC 0x0080
> #define V4L2_FMT_FLAG_CSC_HSV_ENC V4L2_FMT_FLAG_CSC_YCBCR_ENC
> #define V4L2_FMT_FLAG_CSC_QUANTIZATION 0x0100
> +#define V4L2_FMT_FLAG_META_LINE_BASED 0x0200
>
> /* Frame Size and frame rate enumeration */
> /*
> @@ -1016,18 +1019,20 @@ struct v4l2_requestbuffers {
> #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4)
> #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5)
> #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6)
> +#define V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS (1 << 7)
> +#define V4L2_BUF_CAP_SUPPORTS_REMOVE_BUFS (1 << 8)
>
> /**
> * struct v4l2_plane - plane info for multi-planar buffers
> * @bytesused: number of bytes occupied by data in the plane (payload)
> * @length: size of this plane (NOT the payload) in bytes
> - * @mem_offset: when memory in the associated struct v4l2_buffer is
> + * @m.mem_offset: when memory in the associated struct v4l2_buffer is
> * V4L2_MEMORY_MMAP, equals the offset from the start of
> * the device memory for this plane (or is a "cookie" that
> * should be passed to mmap() called on the video node)
> - * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer
> + * @m.userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer
> * pointing to this plane
> - * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file
> + * @m.fd: when memory is V4L2_MEMORY_DMABUF, a userspace file
> * descriptor associated with this plane
> * @m: union of @mem_offset, @userptr and @fd
> * @data_offset: offset in the plane to the start of data; usually 0,
> @@ -1065,14 +1070,14 @@ struct v4l2_plane {
> * @sequence: sequence count of this frame
> * @memory: enum v4l2_memory; the method, in which the actual video data is
> * passed
> - * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
> + * @m.offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
> * offset from the start of the device memory for this plane,
> * (or a "cookie" that should be passed to mmap() as offset)
> - * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
> + * @m.userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
> * a userspace pointer pointing to this buffer
> - * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
> + * @m.fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
> * a userspace file descriptor associated with this buffer
> - * @planes: for multiplanar buffers; userspace pointer to the array of plane
> + * @m.planes: for multiplanar buffers; userspace pointer to the array of plane
> * info structs for this buffer
> * @m: union of @offset, @userptr, @planes and @fd
> * @length: size in bytes of the buffer (NOT its payload) for single-plane
> @@ -1810,8 +1815,10 @@ struct v4l2_ext_control {
> struct v4l2_ctrl_av1_tile_group_entry *p_av1_tile_group_entry;
> struct v4l2_ctrl_av1_frame *p_av1_frame;
> struct v4l2_ctrl_av1_film_grain *p_av1_film_grain;
> + struct v4l2_ctrl_hdr10_cll_info *p_hdr10_cll_info;
> + struct v4l2_ctrl_hdr10_mastering_display *p_hdr10_mastering_display;
> void *ptr;
> - };
> + } __attribute__ ((packed));
> } __attribute__ ((packed));
>
> struct v4l2_ext_controls {
> @@ -2381,23 +2388,32 @@ struct v4l2_sdr_format {
> * struct v4l2_meta_format - metadata format definition
> * @dataformat: little endian four character code (fourcc)
> * @buffersize: maximum size in bytes required for data
> + * @width: number of data units of data per line (valid for line
> + * based formats only, see format documentation)
> + * @height: number of lines of data per buffer (valid for line based
> + * formats only)
> + * @bytesperline: offset between the beginnings of two adjacent lines in
> + * bytes (valid for line based formats only)
> */
> struct v4l2_meta_format {
> __u32 dataformat;
> __u32 buffersize;
> + __u32 width;
> + __u32 height;
> + __u32 bytesperline;
> } __attribute__ ((packed));
>
> /**
> * struct v4l2_format - stream data format
> - * @type: enum v4l2_buf_type; type of the data stream
> - * @pix: definition of an image format
> - * @pix_mp: definition of a multiplanar image format
> - * @win: definition of an overlaid image
> - * @vbi: raw VBI capture or output parameters
> - * @sliced: sliced VBI capture or output parameters
> - * @raw_data: placeholder for future extensions and custom formats
> - * @fmt: union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr, @meta
> - * and @raw_data
> + * @type: enum v4l2_buf_type; type of the data stream
> + * @fmt.pix: definition of an image format
> + * @fmt.pix_mp: definition of a multiplanar image format
> + * @fmt.win: definition of an overlaid image
> + * @fmt.vbi: raw VBI capture or output parameters
> + * @fmt.sliced: sliced VBI capture or output parameters
> + * @fmt.raw_data: placeholder for future extensions and custom formats
> + * @fmt: union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr,
> + * @meta and @raw_data
> */
> struct v4l2_format {
> __u32 type;
> @@ -2570,6 +2586,9 @@ struct v4l2_dbg_chip_info {
> * @flags: additional buffer management attributes (ignored unless the
> * queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability
> * and configured for MMAP streaming I/O).
> + * @max_num_buffers: if V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS capability flag is set
> + * this field indicate the maximum possible number of buffers
> + * for this queue.
> * @reserved: future extensions
> */
> struct v4l2_create_buffers {
> @@ -2579,7 +2598,22 @@ struct v4l2_create_buffers {
> struct v4l2_format format;
> __u32 capabilities;
> __u32 flags;
> - __u32 reserved[6];
> + __u32 max_num_buffers;
> + __u32 reserved[5];
> +};
> +
> +/**
> + * struct v4l2_remove_buffers - VIDIOC_REMOVE_BUFS argument
> + * @index: the first buffer to be removed
> + * @count: number of buffers to removed
> + * @type: enum v4l2_buf_type
> + * @reserved: future extensions
> + */
> +struct v4l2_remove_buffers {
> + __u32 index;
> + __u32 count;
> + __u32 type;
> + __u32 reserved[13];
> };
>
> /*
> @@ -2681,6 +2715,8 @@ struct v4l2_create_buffers {
> #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info)
>
> #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl)
> +#define VIDIOC_REMOVE_BUFS _IOWR('V', 104, struct v4l2_remove_buffers)
> +
>
> /* Reminder: when adding new ioctls please add support for them to
> drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
> --
> 2.45.1
>
More information about the libcamera-devel
mailing list