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#ifndef __LINUX_VIDEODEV2_H
#define __LINUX_VIDEODEV2_H
/*
 *      Video for Linux Two
 *
 *      Header file for v4l or V4L2 drivers and applications, for
 *      Linux kernels 2.2.x or 2.4.x.
 *
 *      See http://bytesex.org/v4l/ for API specs and other
 *      v4l2 documentation.
 *
 *      Author: Bill Dirks <bdirks@pacbell.net>
 *              Justin Schoeman
 *              et al.
 */

#include <linux/time.h> /* need struct timeval */

/*
 *      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))


/*
 *      E N U M S
 */

enum v4l2_field {
        V4L2_FIELD_ANY        = 0, /* driver can choose from none,
                                      top, bottom, interlaced
                                      depending on whatever it thinks
                                      is approximate ... */

        V4L2_FIELD_NONE       = 1, /* this device has no fields ... */
        V4L2_FIELD_TOP        = 2, /* top field only */
        V4L2_FIELD_BOTTOM     = 3, /* bottom field only */
        V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */
        V4L2_FIELD_SEQ_TB     = 5, /* both fields sequential into one
                                      buffer, top-bottom order */

        V4L2_FIELD_SEQ_BT     = 6, /* same as above + bottom-top order */
        V4L2_FIELD_ALTERNATE  = 7, /* both fields alternating into
                                      separate buffers */

};
#define V4L2_FIELD_HAS_TOP(field)       \
        ((field) == V4L2_FIELD_TOP      ||\
         (field) == V4L2_FIELD_INTERLACED ||\
         (field) == V4L2_FIELD_SEQ_TB   ||\
         (field) == V4L2_FIELD_SEQ_BT)

#define V4L2_FIELD_HAS_BOTTOM(field)    \
        ((field) == V4L2_FIELD_BOTTOM   ||\
         (field) == V4L2_FIELD_INTERLACED ||\
         (field) == V4L2_FIELD_SEQ_TB   ||\
         (field) == V4L2_FIELD_SEQ_BT)

#define V4L2_FIELD_HAS_BOTH(field)      \
        ((field) == V4L2_FIELD_INTERLACED ||\
         (field) == V4L2_FIELD_SEQ_TB   ||\
         (field) == V4L2_FIELD_SEQ_BT)


enum v4l2_buf_type {
        V4L2_BUF_TYPE_VIDEO_CAPTURE  = 1,
        V4L2_BUF_TYPE_VIDEO_OUTPUT   = 2,
        V4L2_BUF_TYPE_VIDEO_OVERLAY  = 3,
        V4L2_BUF_TYPE_VBI_CAPTURE    = 4,
        V4L2_BUF_TYPE_VBI_OUTPUT     = 5,
        V4L2_BUF_TYPE_PRIVATE        = 0x80,
};

enum v4l2_ctrl_type {
        V4L2_CTRL_TYPE_INTEGER       = 1,
        V4L2_CTRL_TYPE_BOOLEAN       = 2,
        V4L2_CTRL_TYPE_MENU          = 3,
        V4L2_CTRL_TYPE_BUTTON        = 4,
};

enum v4l2_tuner_type {
        V4L2_TUNER_RADIO             = 1,
        V4L2_TUNER_ANALOG_TV         = 2,
};

enum v4l2_memory {
        V4L2_MEMORY_MMAP             = 1,
        V4L2_MEMORY_USERPTR          = 2,
        V4L2_MEMORY_OVERLAY          = 3,
};

/* see also http://vektor.theorem.ca/graphics/ycbcr/ */
enum v4l2_colorspace {
        /* ITU-R 601 -- broadcast NTSC/PAL */
        V4L2_COLORSPACE_SMPTE170M     = 1,

        /* 1125-Line (US) HDTV */
        V4L2_COLORSPACE_SMPTE240M     = 2,

        /* HD and modern captures. */
        V4L2_COLORSPACE_REC709        = 3,
       
        /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */
        V4L2_COLORSPACE_BT878         = 4,
       
        /* These should be useful.  Assume 601 extents. */
        V4L2_COLORSPACE_470_SYSTEM_M  = 5,
        V4L2_COLORSPACE_470_SYSTEM_BG = 6,
       
        /* I know there will be cameras that send this.  So, this is
         * unspecified chromaticities and full 0-255 on each of the
         * Y'CbCr components
         */

        V4L2_COLORSPACE_JPEG          = 7,
       
        /* For RGB colourspaces, this is probably a good start. */
        V4L2_COLORSPACE_SRGB          = 8,
};

struct v4l2_rect {
        __s32   left;
        __s32   top;
        __s32   width;
        __s32   height;
};

struct v4l2_fract {
        __u32   numerator;
        __u32   denominator;
};

/*
 *      D R I V E R   C A P A B I L I T I E S
 */

struct v4l2_capability
{
        __u8    driver[16];     /* i.e. "bttv" */
        __u8    card[32];       /* i.e. "Hauppauge WinTV" */
        __u8    bus_info[32];   /* "PCI:" + pci_name(pci_dev) */
        __u32   version;        /* should use KERNEL_VERSION() */
        __u32   capabilities;   /* Device capabilities */
        __u32   reserved[4];
};

/* 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 VBI capture device */
#define V4L2_CAP_VBI_OUTPUT     0x00000020  /* Is a VBI output device */
#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_READWRITE      0x01000000  /* read/write systemcalls */
#define V4L2_CAP_ASYNCIO        0x02000000  /* async I/O */
#define V4L2_CAP_STREAMING      0x04000000  /* streaming I/O ioctls */

/*
 *      V I D E O   I M A G E   F O R M A T
 */


struct v4l2_pix_format
{
        __u32                   width;
        __u32                   height;
        __u32                   pixelformat;
        enum v4l2_field         field;
        __u32                   bytesperline;   /* for padding, zero if unused */
        __u32                   sizeimage;
        enum v4l2_colorspace    colorspace;
        __u32                   priv;           /* private data, depends on pixelformat */
};

/*           Pixel format    FOURCC                  depth  Description   */
#define V4L2_PIX_FMT_RGB332  v4l2_fourcc('R','G','B','1') /*  8  RGB-3-3-2     */
#define V4L2_PIX_FMT_RGB555  v4l2_fourcc('R','G','B','O') /* 16  RGB-5-5-5     */
#define V4L2_PIX_FMT_RGB565  v4l2_fourcc('R','G','B','P') /* 16  RGB-5-6-5     */
#define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R','G','B','Q') /* 16  RGB-5-5-5 BE  */
#define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R','G','B','R') /* 16  RGB-5-6-5 BE  */
#define V4L2_PIX_FMT_BGR24   v4l2_fourcc('B','G','R','3') /* 24  BGR-8-8-8     */
#define V4L2_PIX_FMT_RGB24   v4l2_fourcc('R','G','B','3') /* 24  RGB-8-8-8     */
#define V4L2_PIX_FMT_BGR32   v4l2_fourcc('B','G','R','4') /* 32  BGR-8-8-8-8   */
#define V4L2_PIX_FMT_RGB32   v4l2_fourcc('R','G','B','4') /* 32  RGB-8-8-8-8   */
#define V4L2_PIX_FMT_GREY    v4l2_fourcc('G','R','E','Y') /*  8  Greyscale     */
#define V4L2_PIX_FMT_YVU410  v4l2_fourcc('Y','V','U','9') /*  9  YVU 4:1:0     */
#define V4L2_PIX_FMT_YVU420  v4l2_fourcc('Y','V','1','2') /* 12  YVU 4:2:0     */
#define V4L2_PIX_FMT_YUYV    v4l2_fourcc('Y','U','Y','V') /* 16  YUV 4:2:2     */
#define V4L2_PIX_FMT_UYVY    v4l2_fourcc('U','Y','V','Y') /* 16  YUV 4:2:2     */
#define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4','2','2','P') /* 16  YVU422 planar */
#define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4','1','1','P') /* 16  YVU411 planar */
#define V4L2_PIX_FMT_Y41P    v4l2_fourcc('Y','4','1','P') /* 12  YUV 4:1:1     */

/* two planes -- one Y, one Cr + Cb interleaved  */
#define V4L2_PIX_FMT_NV12    v4l2_fourcc('N','V','1','2') /* 12  Y/CbCr 4:2:0  */
#define V4L2_PIX_FMT_NV21    v4l2_fourcc('N','V','2','1') /* 12  Y/CrCb 4:2:0  */

/*  The following formats are not defined in the V4L2 specification */
#define V4L2_PIX_FMT_YUV410  v4l2_fourcc('Y','U','V','9') /*  9  YUV 4:1:0     */
#define V4L2_PIX_FMT_YUV420  v4l2_fourcc('Y','U','1','2') /* 12  YUV 4:2:0     */
#define V4L2_PIX_FMT_YYUV    v4l2_fourcc('Y','Y','U','V') /* 16  YUV 4:2:2     */
#define V4L2_PIX_FMT_HI240   v4l2_fourcc('H','I','2','4') /*  8  8-bit color   */

/* compressed formats */
#define V4L2_PIX_FMT_MJPEG    v4l2_fourcc('M','J','P','G') /* Motion-JPEG   */
#define V4L2_PIX_FMT_JPEG     v4l2_fourcc('J','P','E','G') /* JFIF JPEG     */
#define V4L2_PIX_FMT_DV       v4l2_fourcc('d','v','s','d') /* 1394          */
#define V4L2_PIX_FMT_MPEG     v4l2_fourcc('M','P','E','G') /* MPEG          */

/*  Vendor-specific formats   */
#define V4L2_PIX_FMT_WNVA    v4l2_fourcc('W','N','V','A') /* Winnov hw compres */

/*
 *      F O R M A T   E N U M E R A T I O N
 */

struct v4l2_fmtdesc
{
        __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];
};

#define V4L2_FMT_FLAG_COMPRESSED 0x0001


/*
 *      T I M E C O D E
 */

struct v4l2_timecode
{
        __u32   type;
        __u32   flags;
        __u8    frames;
        __u8    seconds;
        __u8    minutes;
        __u8    hours;
        __u8    userbits[4];
};

/*  Type  */
#define V4L2_TC_TYPE_24FPS              1
#define V4L2_TC_TYPE_25FPS              2
#define V4L2_TC_TYPE_30FPS              3
#define V4L2_TC_TYPE_50FPS              4
#define V4L2_TC_TYPE_60FPS              5

/*  Flags  */
#define V4L2_TC_FLAG_DROPFRAME          0x0001 /* "drop-frame" mode */
#define V4L2_TC_FLAG_COLORFRAME         0x0002
#define V4L2_TC_USERBITS_field          0x000C
#define V4L2_TC_USERBITS_USERDEFINED    0x0000
#define V4L2_TC_USERBITS_8BITCHARS      0x0008
/* The above is based on SMPTE timecodes */


/*
 *      C O M P R E S S I O N   P A R A M E T E R S
 */

#if 0
/* ### generic compression settings don't work, there is too much
 * ### codec-specific stuff.  Maybe reuse that for MPEG codec settings
 * ### later ... */

struct v4l2_compression
{
        __u32   quality;
        __u32   keyframerate;
        __u32   pframerate;
        __u32   reserved[5];
};
#endif

struct v4l2_jpegcompression
{
        int quality;

        int  APPn;              /* Number of APP segment to be written,
                                 * must be 0..15 */

        int  APP_len;           /* Length of data in JPEG APPn segment */
        char APP_data[60];      /* Data in the JPEG APPn segment. */
       
        int  COM_len;           /* Length of data in JPEG COM segment */
        char COM_data[60];      /* Data in JPEG COM segment */
       
        __u32 jpeg_markers;     /* Which markers should go into the JPEG
                                 * output. Unless you exactly know what
                                 * you do, leave them untouched.
                                 * Inluding less markers will make the
                                 * resulting code smaller, but there will
                                 * be fewer aplications which can read it.
                                 * The presence of the APP and COM marker
                                 * is influenced by APP_len and COM_len
                                 * ONLY, not by this property! */

       
#define V4L2_JPEG_MARKER_DHT (1<<3)    /* Define Huffman Tables */
#define V4L2_JPEG_MARKER_DQT (1<<4)    /* Define Quantization Tables */
#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 */
};


/*
 *      M E M O R Y - M A P P I N G   B U F F E R S
 */

struct v4l2_requestbuffers
{
        __u32                   count;
        enum v4l2_buf_type      type;
        enum v4l2_memory        memory;
        __u32                   reserved[2];
};

struct v4l2_buffer
{
        __u32                   index;
        enum v4l2_buf_type      type;
        __u32                   bytesused;
        __u32                   flags;
        enum v4l2_field         field;
        struct timeval          timestamp;
        struct v4l2_timecode    timecode;
        __u32                   sequence;

        /* memory location */
        enum v4l2_memory        memory;
        union {
                __u32           offset;
                unsigned long   userptr;
        } m;
        __u32                   length;

        __u32                   reserved[2];
};

/*  Flags for 'flags' field */
#define V4L2_BUF_FLAG_MAPPED    0x0001  /* Buffer is mapped (flag) */
#define V4L2_BUF_FLAG_QUEUED    0x0002  /* Buffer is queued for processing */
#define V4L2_BUF_FLAG_DONE      0x0004  /* Buffer is ready */
#define V4L2_BUF_FLAG_KEYFRAME  0x0008  /* Image is a keyframe (I-frame) */
#define V4L2_BUF_FLAG_PFRAME    0x0010  /* Image is a P-frame */
#define V4L2_BUF_FLAG_BFRAME    0x0020  /* Image is a B-frame */
#define V4L2_BUF_FLAG_TIMECODE  0x0100  /* timecode field is valid */

/*
 *      O V E R L A Y   P R E V I E W
 */

struct v4l2_framebuffer
{
        __u32                   capability;
        __u32                   flags;
/* FIXME: in theory we should pass something like PCI device + memory
 * region + offset instead of some physical address */

        void*                   base;
        struct v4l2_pix_format  fmt;
};
/*  Flags for the 'capability' field. Read only */
#define V4L2_FBUF_CAP_EXTERNOVERLAY     0x0001
#define V4L2_FBUF_CAP_CHROMAKEY         0x0002
#define V4L2_FBUF_CAP_LIST_CLIPPING     0x0004
#define V4L2_FBUF_CAP_BITMAP_CLIPPING   0x0008
/*  Flags for the 'flags' field. */
#define V4L2_FBUF_FLAG_PRIMARY          0x0001
#define V4L2_FBUF_FLAG_OVERLAY          0x0002
#define V4L2_FBUF_FLAG_CHROMAKEY        0x0004

struct v4l2_clip
{
        struct v4l2_rect        c;
        struct v4l2_clip        *next;
};

struct v4l2_window
{
        struct v4l2_rect        w;
        enum v4l2_field         field;
        __u32                   chromakey;
        struct v4l2_clip        *clips;
        __u32                   clipcount;
        void                    *bitmap;
};


/*
 *      C A P T U R E   P A R A M E T E R S
 */

struct v4l2_captureparm
{
        __u32              capability;    /*  Supported modes */
        __u32              capturemode;   /*  Current mode */
        struct v4l2_fract  timeperframe;  /*  Time per frame in .1us units */
        __u32              extendedmode;  /*  Driver-specific extensions */
        __u32              readbuffers;   /*  # of buffers for read */
        __u32              reserved[4];
};
/*  Flags for 'capability' and 'capturemode' fields */
#define V4L2_MODE_HIGHQUALITY   0x0001  /*  High quality imaging mode */
#define V4L2_CAP_TIMEPERFRAME   0x1000  /*  timeperframe field is supported */

struct v4l2_outputparm
{
        __u32              capability;   /*  Supported modes */
        __u32              outputmode;   /*  Current mode */
        struct v4l2_fract  timeperframe; /*  Time per frame in seconds */
        __u32              extendedmode; /*  Driver-specific extensions */
        __u32              writebuffers; /*  # of buffers for write */
        __u32              reserved[4];
};

/*
 *      I N P U T   I M A G E   C R O P P I N G
 */


struct v4l2_cropcap {
        enum v4l2_buf_type      type;  
        struct v4l2_rect        bounds;
        struct v4l2_rect        defrect;
        struct v4l2_fract       pixelaspect;
};

struct v4l2_crop {
        enum v4l2_buf_type      type;
        struct v4l2_rect        c;
};

/*
 *      A N A L O G   V I D E O   S T A N D A R D
 */


typedef __u64 v4l2_std_id;

/* one bit for each */
#define V4L2_STD_PAL_B          ((v4l2_std_id)0x00000001)
#define V4L2_STD_PAL_B1         ((v4l2_std_id)0x00000002)
#define V4L2_STD_PAL_G          ((v4l2_std_id)0x00000004)
#define V4L2_STD_PAL_H          ((v4l2_std_id)0x00000008)
#define V4L2_STD_PAL_I          ((v4l2_std_id)0x00000010)
#define V4L2_STD_PAL_D          ((v4l2_std_id)0x00000020)
#define V4L2_STD_PAL_D1         ((v4l2_std_id)0x00000040)
#define V4L2_STD_PAL_K          ((v4l2_std_id)0x00000080)

#define V4L2_STD_PAL_M          ((v4l2_std_id)0x00000100)
#define V4L2_STD_PAL_N          ((v4l2_std_id)0x00000200)
#define V4L2_STD_PAL_Nc         ((v4l2_std_id)0x00000400)
#define V4L2_STD_PAL_60         ((v4l2_std_id)0x00000800)

#define V4L2_STD_NTSC_M         ((v4l2_std_id)0x00001000)
#define V4L2_STD_NTSC_M_JP      ((v4l2_std_id)0x00002000)

#define V4L2_STD_SECAM_B        ((v4l2_std_id)0x00010000)
#define V4L2_STD_SECAM_D        ((v4l2_std_id)0x00020000)
#define V4L2_STD_SECAM_G        ((v4l2_std_id)0x00040000)
#define V4L2_STD_SECAM_H        ((v4l2_std_id)0x00080000)
#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)

/* ATSC/HDTV */
#define V4L2_STD_ATSC_8_VSB     ((v4l2_std_id)0x01000000)
#define V4L2_STD_ATSC_16_VSB    ((v4l2_std_id)0x02000000)

/* some common needed stuff */
#define V4L2_STD_PAL_BG         (V4L2_STD_PAL_B         |\
                                 V4L2_STD_PAL_B1        |\
                                 V4L2_STD_PAL_G)

#define V4L2_STD_PAL_DK         (V4L2_STD_PAL_D         |\
                                 V4L2_STD_PAL_D1        |\
                                 V4L2_STD_PAL_K)

#define V4L2_STD_PAL            (V4L2_STD_PAL_BG        |\
                                 V4L2_STD_PAL_DK        |\
                                 V4L2_STD_PAL_H         |\
                                 V4L2_STD_PAL_I)

#define V4L2_STD_NTSC           (V4L2_STD_NTSC_M        |\
                                 V4L2_STD_NTSC_M_JP)

#define V4L2_STD_SECAM          (V4L2_STD_SECAM_B       |\
                                 V4L2_STD_SECAM_D       |\
                                 V4L2_STD_SECAM_G       |\
                                 V4L2_STD_SECAM_H       |\
                                 V4L2_STD_SECAM_K       |\
                                 V4L2_STD_SECAM_K1      |\
                                 V4L2_STD_SECAM_L)


#define V4L2_STD_525_60         (V4L2_STD_PAL_M         |\
                                 V4L2_STD_PAL_60        |\
                                 V4L2_STD_NTSC)

#define V4L2_STD_625_50         (V4L2_STD_PAL           |\
                                 V4L2_STD_PAL_N         |\
                                 V4L2_STD_PAL_Nc        |\
                                 V4L2_STD_SECAM)


#define V4L2_STD_UNKNOWN        0
#define V4L2_STD_ALL            (V4L2_STD_525_60        |\
                                 V4L2_STD_625_50)


struct v4l2_standard
{
        __u32                index;
        v4l2_std_id          id;
        __u8                 name[24];
        struct v4l2_fract    frameperiod; /* Frames, not fields */
        __u32                framelines;
        __u32                reserved[4];
};


/*
 *      V I D E O   I N P U T S
 */

struct v4l2_input
{
        __u32        index;             /*  Which input */
        __u8         name[32];          /*  Label */
        __u32        type;              /*  Type of input */
        __u32        audioset;          /*  Associated audios (bitfield) */
        __u32        tuner;             /*  Associated tuner */
        v4l2_std_id  std;
        __u32        status;
        __u32        reserved[4];
};
/*  Values for the 'type' field */
#define V4L2_INPUT_TYPE_TUNER           1
#define V4L2_INPUT_TYPE_CAMERA          2

/* field 'status' - general */
#define V4L2_IN_ST_NO_POWER    0x00000001  /* Attached device is off */
#define V4L2_IN_ST_NO_SIGNAL   0x00000002
#define V4L2_IN_ST_NO_COLOR    0x00000004

/* field 'status' - analog */
#define V4L2_IN_ST_NO_H_LOCK   0x00000100  /* No horizontal sync lock */
#define V4L2_IN_ST_COLOR_KILL  0x00000200  /* Color killer is active */

/* field 'status' - digital */
#define V4L2_IN_ST_NO_SYNC     0x00010000  /* No synchronization lock */
#define V4L2_IN_ST_NO_EQU      0x00020000  /* No equalizer lock */
#define V4L2_IN_ST_NO_CARRIER  0x00040000  /* Carrier recovery failed */

/* field 'status' - VCR and set-top box */
#define V4L2_IN_ST_MACROVISION 0x01000000  /* Macrovision detected */
#define V4L2_IN_ST_NO_ACCESS   0x02000000  /* Conditional access denied */
#define V4L2_IN_ST_VTR         0x04000000  /* VTR time constant */

/*
 *      V I D E O   O U T P U T S
 */

struct v4l2_output
{
        __u32        index;             /*  Which output */
        __u8         name[32];          /*  Label */
        __u32        type;              /*  Type of output */
        __u32        audioset;          /*  Associated audios (bitfield) */
        __u32        modulator;         /*  Associated modulator */
        v4l2_std_id  std;
        __u32        reserved[4];
};
/*  Values for the 'type' field */
#define V4L2_OUTPUT_TYPE_MODULATOR              1
#define V4L2_OUTPUT_TYPE_ANALOG                 2
#define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY       3

/*
 *      C O N T R O L S
 */

struct v4l2_control
{
        __u32                id;
        __s32                value;
};

/*  Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
struct v4l2_queryctrl
{
        __u32                id;
        enum v4l2_ctrl_type  type;
        __u8                 name[32];  /* Whatever */
        __s32                minimum;   /* Note signedness */
        __s32                maximum;
        __s32                step;
        __s32                default_value;
        __u32                flags;
        __u32                reserved[2];
};

/*  Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
struct v4l2_querymenu
{
        __u32           id;
        __u32           index;
        __u8            name[32];       /* Whatever */
        __u32           reserved;
};

/*  Control flags  */
#define V4L2_CTRL_FLAG_DISABLED         0x0001
#define V4L2_CTRL_FLAG_GRABBED          0x0002

/*  Control IDs defined by V4L2 */
#define V4L2_CID_BASE                   0x00980900
/*  IDs reserved for driver specific controls */
#define V4L2_CID_PRIVATE_BASE           0x08000000

#define V4L2_CID_BRIGHTNESS             (V4L2_CID_BASE+0)
#define V4L2_CID_CONTRAST               (V4L2_CID_BASE+1)
#define V4L2_CID_SATURATION             (V4L2_CID_BASE+2)
#define V4L2_CID_HUE                    (V4L2_CID_BASE+3)
#define V4L2_CID_AUDIO_VOLUME           (V4L2_CID_BASE+5)
#define V4L2_CID_AUDIO_BALANCE          (V4L2_CID_BASE+6)
#define V4L2_CID_AUDIO_BASS             (V4L2_CID_BASE+7)
#define V4L2_CID_AUDIO_TREBLE           (V4L2_CID_BASE+8)
#define V4L2_CID_AUDIO_MUTE             (V4L2_CID_BASE+9)
#define V4L2_CID_AUDIO_LOUDNESS         (V4L2_CID_BASE+10)
#define V4L2_CID_BLACK_LEVEL            (V4L2_CID_BASE+11)
#define V4L2_CID_AUTO_WHITE_BALANCE     (V4L2_CID_BASE+12)
#define V4L2_CID_DO_WHITE_BALANCE       (V4L2_CID_BASE+13)
#define V4L2_CID_RED_BALANCE            (V4L2_CID_BASE+14)
#define V4L2_CID_BLUE_BALANCE           (V4L2_CID_BASE+15)
#define V4L2_CID_GAMMA                  (V4L2_CID_BASE+16)
#define V4L2_CID_WHITENESS              (V4L2_CID_GAMMA) /* ? Not sure */
#define V4L2_CID_EXPOSURE               (V4L2_CID_BASE+17)
#define V4L2_CID_AUTOGAIN               (V4L2_CID_BASE+18)
#define V4L2_CID_GAIN                   (V4L2_CID_BASE+19)
#define V4L2_CID_HFLIP                  (V4L2_CID_BASE+20)
#define V4L2_CID_VFLIP                  (V4L2_CID_BASE+21)
#define V4L2_CID_HCENTER                (V4L2_CID_BASE+22)
#define V4L2_CID_VCENTER                (V4L2_CID_BASE+23)
#define V4L2_CID_LASTP1                 (V4L2_CID_BASE+24) /* last CID + 1 */

/*
 *      T U N I N G
 */

struct v4l2_tuner
{
        __u32                   index;
        __u8                    name[32];
        enum v4l2_tuner_type    type;
        __u32                   capability;
        __u32                   rangelow;
        __u32                   rangehigh;
        __u32                   rxsubchans;
        __u32                   audmode;
        __s32                   signal;
        __s32                   afc;
        __u32                   reserved[4];
};

struct v4l2_modulator
{
        __u32                   index;
        __u8                    name[32];
        __u32                   capability;
        __u32                   rangelow;
        __u32                   rangehigh;
        __u32                   txsubchans;
        __u32                   reserved[4];
};

/*  Flags for the 'capability' field */
#define V4L2_TUNER_CAP_LOW              0x0001
#define V4L2_TUNER_CAP_NORM             0x0002
#define V4L2_TUNER_CAP_STEREO           0x0010
#define V4L2_TUNER_CAP_LANG2            0x0020
#define V4L2_TUNER_CAP_SAP              0x0020
#define V4L2_TUNER_CAP_LANG1            0x0040

/*  Flags for the 'rxsubchans' field */
#define V4L2_TUNER_SUB_MONO             0x0001
#define V4L2_TUNER_SUB_STEREO           0x0002
#define V4L2_TUNER_SUB_LANG2            0x0004
#define V4L2_TUNER_SUB_SAP              0x0004
#define V4L2_TUNER_SUB_LANG1            0x0008

/*  Values for the 'audmode' field */
#define V4L2_TUNER_MODE_MONO            0x0000
#define V4L2_TUNER_MODE_STEREO          0x0001
#define V4L2_TUNER_MODE_LANG2           0x0002
#define V4L2_TUNER_MODE_SAP             0x0002
#define V4L2_TUNER_MODE_LANG1           0x0003

struct v4l2_frequency
{
        __u32                 tuner;
        enum v4l2_tuner_type  type;
        __u32                 frequency;
        __u32                 reserved[8];
};

/*
 *      A U D I O
 */

struct v4l2_audio
{
        __u32   index;
        __u8    name[32];
        __u32   capability;
        __u32   mode;
        __u32   reserved[2];
};
/*  Flags for the 'capability' field */
#define V4L2_AUDCAP_STEREO              0x00001
#define V4L2_AUDCAP_AVL                 0x00002

/*  Flags for the 'mode' field */
#define V4L2_AUDMODE_AVL                0x00001

struct v4l2_audioout
{
        __u32   index;
        __u8    name[32];
        __u32   capability;
        __u32   mode;
        __u32   reserved[2];
};

/*
 *      D A T A   S E R V I C E S   ( V B I )
 *
 *      Data services API by Michael Schimek
 */


struct v4l2_vbi_format
{
        __u32   sampling_rate;          /* in 1 Hz */
        __u32   offset;
        __u32   samples_per_line;
        __u32   sample_format;          /* V4L2_PIX_FMT_* */
        __s32   start[2];
        __u32   count[2];
        __u32   flags;                  /* V4L2_VBI_* */
        __u32   reserved[2];            /* must be zero */
};

/*  VBI flags  */
#define V4L2_VBI_UNSYNC         (1<< 0)
#define V4L2_VBI_INTERLACED     (1<< 1)


/*
 *      A G G R E G A T E   S T R U C T U R E S
 */


/*      Stream data format
 */

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
                __u8    raw_data[200];        // user-defined
        } fmt;
};


/*      Stream type-dependent parameters
 */

struct v4l2_streamparm
{
        enum v4l2_buf_type type;
        union
        {
                struct v4l2_captureparm capture;
                struct v4l2_outputparm  output;
                __u8    raw_data[200];  /* user-defined */
        } parm;
};



/*
 *      I O C T L   C O D E S   F O R   V I D E O   D E V I C E S
 *
 */

#define VIDIOC_QUERYCAP         _IOR  ('V',  0, struct v4l2_capability)
#define VIDIOC_RESERVED         _IO   ('V',  1)
#define VIDIOC_ENUM_FMT         _IOWR ('V',  2, struct v4l2_fmtdesc)
#define VIDIOC_G_FMT            _IOWR ('V',  4, struct v4l2_format)
#define VIDIOC_S_FMT            _IOWR ('V',  5, struct v4l2_format)
#if 0
#define VIDIOC_G_COMP           _IOR  ('V',  6, struct v4l2_compression)
#define VIDIOC_S_COMP           _IOW  ('V',  7, struct v4l2_compression)
#endif
#define VIDIOC_REQBUFS          _IOWR ('V',  8, struct v4l2_requestbuffers)
#define VIDIOC_QUERYBUF         _IOWR ('V',  9, struct v4l2_buffer)
#define VIDIOC_G_FBUF           _IOR  ('V', 10, struct v4l2_framebuffer)
#define VIDIOC_S_FBUF           _IOW  ('V', 11, struct v4l2_framebuffer)
#define VIDIOC_OVERLAY          _IOWR ('V', 14, int)
#define VIDIOC_QBUF             _IOWR ('V', 15, struct v4l2_buffer)
#define VIDIOC_DQBUF            _IOWR ('V', 17, struct v4l2_buffer)
#define VIDIOC_STREAMON         _IOW  ('V', 18, int)
#define VIDIOC_STREAMOFF        _IOW  ('V', 19, int)
#define VIDIOC_G_PARM           _IOWR ('V', 21, struct v4l2_streamparm)
#define VIDIOC_S_PARM           _IOW  ('V', 22, struct v4l2_streamparm)
#define VIDIOC_G_STD            _IOR  ('V', 23, v4l2_std_id)
#define VIDIOC_S_STD            _IOW  ('V', 24, v4l2_std_id)
#define VIDIOC_ENUMSTD          _IOWR ('V', 25, struct v4l2_standard)
#define VIDIOC_ENUMINPUT        _IOWR ('V', 26, struct v4l2_input)
#define VIDIOC_G_CTRL           _IOWR ('V', 27, struct v4l2_control)
#define VIDIOC_S_CTRL           _IOW  ('V', 28, struct v4l2_control)
#define VIDIOC_G_TUNER          _IOWR ('V', 29, struct v4l2_tuner)
#define VIDIOC_S_TUNER          _IOW  ('V', 30, struct v4l2_tuner)
#define VIDIOC_G_AUDIO          _IOWR ('V', 33, struct v4l2_audio)
#define VIDIOC_S_AUDIO          _IOW  ('V', 34, struct v4l2_audio)
#define VIDIOC_QUERYCTRL        _IOWR ('V', 36, struct v4l2_queryctrl)
#define VIDIOC_QUERYMENU        _IOWR ('V', 37, struct v4l2_querymenu)
#define VIDIOC_G_INPUT          _IOR  ('V', 38, int)
#define VIDIOC_S_INPUT          _IOWR ('V', 39, int)
#define VIDIOC_G_OUTPUT         _IOR  ('V', 46, int)
#define VIDIOC_S_OUTPUT         _IOWR ('V', 47, int)
#define VIDIOC_ENUMOUTPUT       _IOWR ('V', 48, struct v4l2_output)
#define VIDIOC_G_AUDOUT         _IOWR ('V', 49, struct v4l2_audioout)
#define VIDIOC_S_AUDOUT         _IOW  ('V', 50, struct v4l2_audioout)
#define VIDIOC_G_MODULATOR      _IOWR ('V', 54, struct v4l2_modulator)
#define VIDIOC_S_MODULATOR      _IOW  ('V', 55, struct v4l2_modulator)
#define VIDIOC_G_FREQUENCY      _IOWR ('V', 56, struct v4l2_frequency)
#define VIDIOC_S_FREQUENCY      _IOW  ('V', 57, struct v4l2_frequency)
#define VIDIOC_CROPCAP          _IOR  ('V', 58, struct v4l2_cropcap)
#define VIDIOC_G_CROP           _IOWR ('V', 59, struct v4l2_crop)
#define VIDIOC_S_CROP           _IOW  ('V', 60, struct v4l2_crop)
#define VIDIOC_G_JPEGCOMP       _IOR  ('V', 61, struct v4l2_jpegcompression)
#define VIDIOC_S_JPEGCOMP       _IOW  ('V', 62, struct v4l2_jpegcompression)
#define VIDIOC_QUERYSTD         _IOR  ('V', 63, v4l2_std_id)
#define VIDIOC_TRY_FMT          _IOWR ('V', 64, struct v4l2_format)

#define BASE_VIDIOC_PRIVATE     192             /* 192-255 are private */


#ifdef __KERNEL__
/*
 *
 *      V 4 L 2   D R I V E R   H E L P E R   A P I
 *
 *      Some commonly needed functions for drivers (v4l2-common.o module)
 */

#include <linux/fs.h>

/*  Video standard functions  */
extern unsigned int v4l2_video_std_fps(struct v4l2_standard *vs);
extern int v4l2_video_std_construct(struct v4l2_standard *vs,
                                    int id, char *name);

/*  Compatibility layer interface  */
typedef int (*v4l2_kioctl)(struct inode *inode, struct file *file,
                           unsigned int cmd, void *arg);
int v4l_compat_translate_ioctl(struct inode *inode, struct file *file,
                               int cmd, void *arg, v4l2_kioctl driver_ioctl);

/* names for fancy debug output */
extern char *v4l2_field_names[];
extern char *v4l2_type_names[];
extern char *v4l2_ioctl_names[];

#endif /* __KERNEL__ */
#endif /* __LINUX_VIDEODEV2_H */

/*
 * Local variables:
 * c-basic-offset: 8
 * End:
 */