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Diffstat (limited to 'include/linux/videodev2.h')
-rw-r--r--include/linux/videodev2.h208
1 files changed, 148 insertions, 60 deletions
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 89a055761bed..1cded681eb6d 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -15,16 +15,99 @@
*/
#ifdef __KERNEL__
#include <linux/time.h> /* need struct timeval */
+#include <linux/poll.h>
+#include <linux/device.h>
#endif
#include <linux/compiler.h> /* need __user */
+
+#define OBSOLETE_OWNER 1 /* It will be removed for 2.6.15 */
+#define HAVE_V4L2 1
+
+/*
+ * Common stuff for both V4L1 and V4L2
+ * Moved from videodev.h
+ */
+
+#define VIDEO_MAX_FRAME 32
+
+#define VID_TYPE_CAPTURE 1 /* Can capture */
+#define VID_TYPE_TUNER 2 /* Can tune */
+#define VID_TYPE_TELETEXT 4 /* Does teletext */
+#define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */
+#define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */
+#define VID_TYPE_CLIPPING 32 /* Can clip */
+#define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */
+#define VID_TYPE_SCALES 128 /* Scalable */
+#define VID_TYPE_MONOCHROME 256 /* Monochrome only */
+#define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */
+#define VID_TYPE_MPEG_DECODER 1024 /* Can decode MPEG streams */
+#define VID_TYPE_MPEG_ENCODER 2048 /* Can encode MPEG streams */
+#define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */
+#define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */
+
+#ifdef __KERNEL__
+
+#define VFL_TYPE_GRABBER 0
+#define VFL_TYPE_VBI 1
+#define VFL_TYPE_RADIO 2
+#define VFL_TYPE_VTX 3
+
+struct video_device
+{
+ /* device info */
+ struct device *dev;
+ char name[32];
+ int type; /* v4l1 */
+ int type2; /* v4l2 */
+ int hardware;
+ int minor;
+
+ /* device ops + callbacks */
+ struct file_operations *fops;
+ void (*release)(struct video_device *vfd);
+
+
+#if OBSOLETE_OWNER /* to be removed in 2.6.15 */
+ /* obsolete -- fops->owner is used instead */
+ struct module *owner;
+ /* dev->driver_data will be used instead some day.
+ * Use the video_{get|set}_drvdata() helper functions,
+ * so the switch over will be transparent for you.
+ * Or use {pci|usb}_{get|set}_drvdata() directly. */
+ void *priv;
+#endif
+
+ /* for videodev.c intenal usage -- please don't touch */
+ int users; /* video_exclusive_{open|close} ... */
+ struct semaphore lock; /* ... helper function uses these */
+ char devfs_name[64]; /* devfs */
+ struct class_device class_dev; /* sysfs */
+};
+
+#define VIDEO_MAJOR 81
+
+extern int video_register_device(struct video_device *, int type, int nr);
+extern void video_unregister_device(struct video_device *);
+extern int video_usercopy(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg,
+ int (*func)(struct inode *inode, struct file *file,
+ unsigned int cmd, void *arg));
+
+/* helper functions to alloc / release struct video_device, the
+ later can be used for video_device->release() */
+struct video_device *video_device_alloc(void);
+void video_device_release(struct video_device *vfd);
+
+#endif
+
/*
* M I S C E L L A N E O U S
*/
/* Four-character-code (FOURCC) */
#define v4l2_fourcc(a,b,c,d)\
- (((__u32)(a)<<0)|((__u32)(b)<<8)|((__u32)(c)<<16)|((__u32)(d)<<24))
+ (((__u32)(a)<<0)|((__u32)(b)<<8)|((__u32)(c)<<16)|((__u32)(d)<<24))
/*
* E N U M S
@@ -154,20 +237,20 @@ struct v4l2_capability
};
/* Values for 'capabilities' field */
-#define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
-#define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
-#define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
-#define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */
-#define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */
+#define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
+#define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
+#define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
+#define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */
+#define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */
#if 1
#define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */
#define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
#endif
-#define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
+#define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
-#define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
-#define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
-#define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
+#define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
+#define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
+#define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
#define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
#define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */
@@ -179,13 +262,13 @@ struct v4l2_capability
struct v4l2_pix_format
{
- __u32 width;
- __u32 height;
- __u32 pixelformat;
+ __u32 width;
+ __u32 height;
+ __u32 pixelformat;
enum v4l2_field field;
__u32 bytesperline; /* for padding, zero if unused */
- __u32 sizeimage;
- enum v4l2_colorspace colorspace;
+ __u32 sizeimage;
+ enum v4l2_colorspace colorspace;
__u32 priv; /* private data, depends on pixelformat */
};
@@ -238,12 +321,12 @@ struct v4l2_pix_format
*/
struct v4l2_fmtdesc
{
- __u32 index; /* Format number */
+ __u32 index; /* Format number */
enum v4l2_buf_type type; /* buffer type */
__u32 flags;
- __u8 description[32]; /* Description string */
- __u32 pixelformat; /* Format fourcc */
- __u32 reserved[4];
+ __u8 description[32]; /* Description string */
+ __u32 pixelformat; /* Format fourcc */
+ __u32 reserved[4];
};
#define V4L2_FMT_FLAG_COMPRESSED 0x0001
@@ -393,7 +476,7 @@ struct v4l2_jpegcompression
#define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
#define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
#define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
- * allways use APP0 */
+ * allways use APP0 */
};
@@ -402,10 +485,10 @@ struct v4l2_jpegcompression
*/
struct v4l2_requestbuffers
{
- __u32 count;
+ __u32 count;
enum v4l2_buf_type type;
enum v4l2_memory memory;
- __u32 reserved[2];
+ __u32 reserved[2];
};
struct v4l2_buffer
@@ -511,9 +594,9 @@ struct v4l2_outputparm
struct v4l2_cropcap {
enum v4l2_buf_type type;
- struct v4l2_rect bounds;
- struct v4l2_rect defrect;
- struct v4l2_fract pixelaspect;
+ struct v4l2_rect bounds;
+ struct v4l2_rect defrect;
+ struct v4l2_fract pixelaspect;
};
struct v4l2_crop {
@@ -544,6 +627,7 @@ typedef __u64 v4l2_std_id;
#define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000)
#define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000)
+#define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
#define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
#define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
@@ -552,6 +636,7 @@ typedef __u64 v4l2_std_id;
#define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
#define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
#define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
+#define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
/* ATSC/HDTV */
#define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
@@ -581,13 +666,14 @@ typedef __u64 v4l2_std_id;
#define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
V4L2_STD_PAL_60 |\
- V4L2_STD_NTSC)
+ V4L2_STD_NTSC |\
+ V4L2_STD_NTSC_443)
#define V4L2_STD_625_50 (V4L2_STD_PAL |\
V4L2_STD_PAL_N |\
V4L2_STD_PAL_Nc |\
V4L2_STD_SECAM)
#define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
- V4L2_STD_ATSC_16_VSB)
+ V4L2_STD_ATSC_16_VSB)
#define V4L2_STD_UNKNOWN 0
#define V4L2_STD_ALL (V4L2_STD_525_60 |\
@@ -595,7 +681,7 @@ typedef __u64 v4l2_std_id;
struct v4l2_standard
{
- __u32 index;
+ __u32 index;
v4l2_std_id id;
__u8 name[24];
struct v4l2_fract frameperiod; /* Frames, not fields */
@@ -610,9 +696,9 @@ struct v4l2_standard
struct v4l2_input
{
__u32 index; /* Which input */
- __u8 name[32]; /* Label */
+ __u8 name[32]; /* Label */
__u32 type; /* Type of input */
- __u32 audioset; /* Associated audios (bitfield) */
+ __u32 audioset; /* Associated audios (bitfield) */
__u32 tuner; /* Associated tuner */
v4l2_std_id std;
__u32 status;
@@ -647,9 +733,9 @@ struct v4l2_input
struct v4l2_output
{
__u32 index; /* Which output */
- __u8 name[32]; /* Label */
+ __u8 name[32]; /* Label */
__u32 type; /* Type of output */
- __u32 audioset; /* Associated audios (bitfield) */
+ __u32 audioset; /* Associated audios (bitfield) */
__u32 modulator; /* Associated modulator */
v4l2_std_id std;
__u32 reserved[4];
@@ -671,12 +757,12 @@ struct v4l2_control
/* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
struct v4l2_queryctrl
{
- __u32 id;
+ __u32 id;
enum v4l2_ctrl_type type;
__u8 name[32]; /* Whatever */
__s32 minimum; /* Note signedness */
__s32 maximum;
- __s32 step;
+ __s32 step;
__s32 default_value;
__u32 flags;
__u32 reserved[2];
@@ -779,10 +865,10 @@ struct v4l2_modulator
struct v4l2_frequency
{
- __u32 tuner;
+ __u32 tuner;
enum v4l2_tuner_type type;
- __u32 frequency;
- __u32 reserved[8];
+ __u32 frequency;
+ __u32 reserved[8];
};
/*
@@ -802,6 +888,7 @@ struct v4l2_audio
/* Flags for the 'mode' field */
#define V4L2_AUDMODE_AVL 0x00001
+#define V4L2_AUDMODE_32BITS 0x00002
struct v4l2_audioout
{
@@ -846,14 +933,14 @@ struct v4l2_vbi_format
struct v4l2_sliced_vbi_format
{
- __u16 service_set;
- /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
- service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
- (equals frame lines 313-336 for 625 line video
- standards, 263-286 for 525 line standards) */
- __u16 service_lines[2][24];
- __u32 io_size;
- __u32 reserved[2]; /* must be zero */
+ __u16 service_set;
+ /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
+ service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
+ (equals frame lines 313-336 for 625 line video
+ standards, 263-286 for 525 line standards) */
+ __u16 service_lines[2][24];
+ __u32 io_size;
+ __u32 reserved[2]; /* must be zero */
};
#define V4L2_SLICED_TELETEXT_B (0x0001)
@@ -866,22 +953,22 @@ struct v4l2_sliced_vbi_format
struct v4l2_sliced_vbi_cap
{
- __u16 service_set;
- /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
- service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
- (equals frame lines 313-336 for 625 line video
- standards, 263-286 for 525 line standards) */
- __u16 service_lines[2][24];
- __u32 reserved[4]; /* must be 0 */
+ __u16 service_set;
+ /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
+ service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
+ (equals frame lines 313-336 for 625 line video
+ standards, 263-286 for 525 line standards) */
+ __u16 service_lines[2][24];
+ __u32 reserved[4]; /* must be 0 */
};
struct v4l2_sliced_vbi_data
{
- __u32 id;
- __u32 field; /* 0: first field, 1: second field */
- __u32 line; /* 1-23 */
- __u32 reserved; /* must be 0 */
- __u8 data[48];
+ __u32 id;
+ __u32 field; /* 0: first field, 1: second field */
+ __u32 line; /* 1-23 */
+ __u32 reserved; /* must be 0 */
+ __u8 data[48];
};
#endif
@@ -896,9 +983,9 @@ struct v4l2_format
enum v4l2_buf_type type;
union
{
- struct v4l2_pix_format pix; // V4L2_BUF_TYPE_VIDEO_CAPTURE
- struct v4l2_window win; // V4L2_BUF_TYPE_VIDEO_OVERLAY
- struct v4l2_vbi_format vbi; // V4L2_BUF_TYPE_VBI_CAPTURE
+ struct v4l2_pix_format pix; // V4L2_BUF_TYPE_VIDEO_CAPTURE
+ struct v4l2_window win; // V4L2_BUF_TYPE_VIDEO_OVERLAY
+ struct v4l2_vbi_format vbi; // V4L2_BUF_TYPE_VBI_CAPTURE
#if 1
struct v4l2_sliced_vbi_format sliced; // V4L2_BUF_TYPE_SLICED_VBI_CAPTURE
#endif
@@ -981,6 +1068,7 @@ struct v4l2_streamparm
#if 1
#define VIDIOC_G_SLICED_VBI_CAP _IOR ('V', 69, struct v4l2_sliced_vbi_cap)
#endif
+#define VIDIOC_LOG_STATUS _IO ('V', 70)
/* for compatibility, will go away some day */
#define VIDIOC_OVERLAY_OLD _IOWR ('V', 14, int)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 22:18:22 +0000