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[/] [test_project/] [trunk/] [linux_sd_driver/] [include/] [media/] [v4l2-dev.h] - Blame information for rev 62

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/*
 *
 *      V 4 L 2   D R I V E R   H E L P E R   A P I
 *
 * Moved from videodev2.h
 *
 *      Some commonly needed functions for drivers (v4l2-common.o module)
 */
#ifndef _V4L2_DEV_H
#define _V4L2_DEV_H
 
#define OBSOLETE_OWNER   1 /* to be removed soon */
#define OBSOLETE_DEVDATA 1 /* to be removed soon */
 
#include <linux/poll.h>
#include <linux/fs.h>
#include <linux/device.h>
#include <linux/mutex.h>
#include <linux/compiler.h> /* need __user */
#ifdef CONFIG_VIDEO_V4L1_COMPAT
#include <linux/videodev.h>
#else
#include <linux/videodev2.h>
#endif
 
#define VIDEO_MAJOR     81
/* Minor device allocation */
#define MINOR_VFL_TYPE_GRABBER_MIN   0
#define MINOR_VFL_TYPE_GRABBER_MAX  63
#define MINOR_VFL_TYPE_RADIO_MIN    64
#define MINOR_VFL_TYPE_RADIO_MAX   127
#define MINOR_VFL_TYPE_VTX_MIN     192
#define MINOR_VFL_TYPE_VTX_MAX     223
#define MINOR_VFL_TYPE_VBI_MIN     224
#define MINOR_VFL_TYPE_VBI_MAX     255
 
#define VFL_TYPE_GRABBER        0
#define VFL_TYPE_VBI            1
#define VFL_TYPE_RADIO          2
#define VFL_TYPE_VTX            3
 
/*  Video standard functions  */
extern unsigned int v4l2_video_std_fps(struct v4l2_standard *vs);
extern char *v4l2_norm_to_name(v4l2_std_id id);
extern int v4l2_video_std_construct(struct v4l2_standard *vs,
                                    int id, char *name);
 
/* prority handling */
struct v4l2_prio_state {
        atomic_t prios[4];
};
int v4l2_prio_init(struct v4l2_prio_state *global);
int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local,
                     enum v4l2_priority new);
int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local);
int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local);
enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global);
int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local);
 
/* names for fancy debug output */
extern char *v4l2_field_names[];
extern char *v4l2_type_names[];
 
/*  Compatibility layer interface  --  v4l1-compat module */
typedef int (*v4l2_kioctl)(struct inode *inode, struct file *file,
                           unsigned int cmd, void *arg);
#ifdef CONFIG_VIDEO_V4L1_COMPAT
int v4l_compat_translate_ioctl(struct inode *inode, struct file *file,
                               int cmd, void *arg, v4l2_kioctl driver_ioctl);
#else
#define v4l_compat_translate_ioctl(inode,file,cmd,arg,ioctl) -EINVAL
#endif
 
/* 32 Bits compatibility layer for 64 bits processors */
extern long v4l_compat_ioctl32(struct file *file, unsigned int cmd,
                                unsigned long arg);
 
/*
 * Newer version of video_device, handled by videodev2.c
 *      This version moves redundant code from video device code to
 *      the common handler
 */
 
struct video_device
{
        /* device ops */
        const struct file_operations *fops;
 
        /* sysfs */
        struct device class_dev;        /* v4l device */
        struct device *dev;             /* device parent */
 
        /* device info */
        char name[32];
        int type;       /* v4l1 */
        int type2;      /* v4l2 */
        int minor;
 
        int debug;      /* Activates debug level*/
 
        /* Video standard vars */
        v4l2_std_id tvnorms;            /* Supported tv norms */
        v4l2_std_id current_norm;       /* Current tvnorm */
 
        /* callbacks */
        void (*release)(struct video_device *vfd);
 
        /* ioctl callbacks */
 
        /* VIDIOC_QUERYCAP handler */
        int (*vidioc_querycap)(struct file *file, void *fh, struct v4l2_capability *cap);
 
        /* Priority handling */
        int (*vidioc_g_priority)   (struct file *file, void *fh,
                                    enum v4l2_priority *p);
        int (*vidioc_s_priority)   (struct file *file, void *fh,
                                    enum v4l2_priority p);
 
        /* VIDIOC_ENUM_FMT handlers */
        int (*vidioc_enum_fmt_cap)         (struct file *file, void *fh,
                                            struct v4l2_fmtdesc *f);
        int (*vidioc_enum_fmt_overlay)     (struct file *file, void *fh,
                                            struct v4l2_fmtdesc *f);
        int (*vidioc_enum_fmt_vbi)         (struct file *file, void *fh,
                                            struct v4l2_fmtdesc *f);
        int (*vidioc_enum_fmt_vbi_capture) (struct file *file, void *fh,
                                            struct v4l2_fmtdesc *f);
        int (*vidioc_enum_fmt_video_output)(struct file *file, void *fh,
                                            struct v4l2_fmtdesc *f);
        int (*vidioc_enum_fmt_output_overlay) (struct file *file, void *fh,
                                            struct v4l2_fmtdesc *f);
        int (*vidioc_enum_fmt_vbi_output)  (struct file *file, void *fh,
                                            struct v4l2_fmtdesc *f);
        int (*vidioc_enum_fmt_type_private)(struct file *file, void *fh,
                                            struct v4l2_fmtdesc *f);
 
        /* VIDIOC_G_FMT handlers */
        int (*vidioc_g_fmt_cap)        (struct file *file, void *fh,
                                        struct v4l2_format *f);
        int (*vidioc_g_fmt_overlay)    (struct file *file, void *fh,
                                        struct v4l2_format *f);
        int (*vidioc_g_fmt_vbi)        (struct file *file, void *fh,
                                        struct v4l2_format *f);
        int (*vidioc_g_fmt_vbi_output) (struct file *file, void *fh,
                                        struct v4l2_format *f);
        int (*vidioc_g_fmt_vbi_capture)(struct file *file, void *fh,
                                        struct v4l2_format *f);
        int (*vidioc_g_fmt_video_output)(struct file *file, void *fh,
                                        struct v4l2_format *f);
        int (*vidioc_g_fmt_output_overlay) (struct file *file, void *fh,
                                        struct v4l2_format *f);
        int (*vidioc_g_fmt_type_private)(struct file *file, void *fh,
                                        struct v4l2_format *f);
 
        /* VIDIOC_S_FMT handlers */
        int (*vidioc_s_fmt_cap)        (struct file *file, void *fh,
                                        struct v4l2_format *f);
 
        int (*vidioc_s_fmt_overlay)    (struct file *file, void *fh,
                                        struct v4l2_format *f);
        int (*vidioc_s_fmt_vbi)        (struct file *file, void *fh,
                                        struct v4l2_format *f);
        int (*vidioc_s_fmt_vbi_output) (struct file *file, void *fh,
                                        struct v4l2_format *f);
        int (*vidioc_s_fmt_vbi_capture)(struct file *file, void *fh,
                                        struct v4l2_format *f);
        int (*vidioc_s_fmt_video_output)(struct file *file, void *fh,
                                        struct v4l2_format *f);
        int (*vidioc_s_fmt_output_overlay) (struct file *file, void *fh,
                                        struct v4l2_format *f);
        int (*vidioc_s_fmt_type_private)(struct file *file, void *fh,
                                        struct v4l2_format *f);
 
        /* VIDIOC_TRY_FMT handlers */
        int (*vidioc_try_fmt_cap)        (struct file *file, void *fh,
                                          struct v4l2_format *f);
        int (*vidioc_try_fmt_overlay)    (struct file *file, void *fh,
                                          struct v4l2_format *f);
        int (*vidioc_try_fmt_vbi)        (struct file *file, void *fh,
                                          struct v4l2_format *f);
        int (*vidioc_try_fmt_vbi_output) (struct file *file, void *fh,
                                          struct v4l2_format *f);
        int (*vidioc_try_fmt_vbi_capture)(struct file *file, void *fh,
                                          struct v4l2_format *f);
        int (*vidioc_try_fmt_video_output)(struct file *file, void *fh,
                                          struct v4l2_format *f);
        int (*vidioc_try_fmt_output_overlay)(struct file *file, void *fh,
                                          struct v4l2_format *f);
        int (*vidioc_try_fmt_type_private)(struct file *file, void *fh,
                                          struct v4l2_format *f);
 
        /* Buffer handlers */
        int (*vidioc_reqbufs) (struct file *file, void *fh, struct v4l2_requestbuffers *b);
        int (*vidioc_querybuf)(struct file *file, void *fh, struct v4l2_buffer *b);
        int (*vidioc_qbuf)    (struct file *file, void *fh, struct v4l2_buffer *b);
        int (*vidioc_dqbuf)   (struct file *file, void *fh, struct v4l2_buffer *b);
 
 
        int (*vidioc_overlay) (struct file *file, void *fh, unsigned int i);
#ifdef CONFIG_VIDEO_V4L1_COMPAT
                        /* buffer type is struct vidio_mbuf * */
        int (*vidiocgmbuf)  (struct file *file, void *fh, struct video_mbuf *p);
#endif
        int (*vidioc_g_fbuf)   (struct file *file, void *fh,
                                struct v4l2_framebuffer *a);
        int (*vidioc_s_fbuf)   (struct file *file, void *fh,
                                struct v4l2_framebuffer *a);
 
                /* Stream on/off */
        int (*vidioc_streamon) (struct file *file, void *fh, enum v4l2_buf_type i);
        int (*vidioc_streamoff)(struct file *file, void *fh, enum v4l2_buf_type i);
 
                /* Standard handling
                        G_STD and ENUMSTD are handled by videodev.c
                 */
        int (*vidioc_s_std) (struct file *file, void *fh, v4l2_std_id *norm);
        int (*vidioc_querystd) (struct file *file, void *fh, v4l2_std_id *a);
 
                /* Input handling */
        int (*vidioc_enum_input)(struct file *file, void *fh,
                                 struct v4l2_input *inp);
        int (*vidioc_g_input)   (struct file *file, void *fh, unsigned int *i);
        int (*vidioc_s_input)   (struct file *file, void *fh, unsigned int i);
 
                /* Output handling */
        int (*vidioc_enumoutput) (struct file *file, void *fh,
                                  struct v4l2_output *a);
        int (*vidioc_g_output)   (struct file *file, void *fh, unsigned int *i);
        int (*vidioc_s_output)   (struct file *file, void *fh, unsigned int i);
 
                /* Control handling */
        int (*vidioc_queryctrl)        (struct file *file, void *fh,
                                        struct v4l2_queryctrl *a);
        int (*vidioc_g_ctrl)           (struct file *file, void *fh,
                                        struct v4l2_control *a);
        int (*vidioc_s_ctrl)           (struct file *file, void *fh,
                                        struct v4l2_control *a);
        int (*vidioc_g_ext_ctrls)      (struct file *file, void *fh,
                                        struct v4l2_ext_controls *a);
        int (*vidioc_s_ext_ctrls)      (struct file *file, void *fh,
                                        struct v4l2_ext_controls *a);
        int (*vidioc_try_ext_ctrls)    (struct file *file, void *fh,
                                        struct v4l2_ext_controls *a);
        int (*vidioc_querymenu)        (struct file *file, void *fh,
                                        struct v4l2_querymenu *a);
 
        /* Audio ioctls */
        int (*vidioc_enumaudio)        (struct file *file, void *fh,
                                        struct v4l2_audio *a);
        int (*vidioc_g_audio)          (struct file *file, void *fh,
                                        struct v4l2_audio *a);
        int (*vidioc_s_audio)          (struct file *file, void *fh,
                                        struct v4l2_audio *a);
 
        /* Audio out ioctls */
        int (*vidioc_enumaudout)       (struct file *file, void *fh,
                                        struct v4l2_audioout *a);
        int (*vidioc_g_audout)         (struct file *file, void *fh,
                                        struct v4l2_audioout *a);
        int (*vidioc_s_audout)         (struct file *file, void *fh,
                                        struct v4l2_audioout *a);
        int (*vidioc_g_modulator)      (struct file *file, void *fh,
                                        struct v4l2_modulator *a);
        int (*vidioc_s_modulator)      (struct file *file, void *fh,
                                        struct v4l2_modulator *a);
        /* Crop ioctls */
        int (*vidioc_cropcap)          (struct file *file, void *fh,
                                        struct v4l2_cropcap *a);
        int (*vidioc_g_crop)           (struct file *file, void *fh,
                                        struct v4l2_crop *a);
        int (*vidioc_s_crop)           (struct file *file, void *fh,
                                        struct v4l2_crop *a);
        /* Compression ioctls */
        int (*vidioc_g_jpegcomp)       (struct file *file, void *fh,
                                        struct v4l2_jpegcompression *a);
        int (*vidioc_s_jpegcomp)       (struct file *file, void *fh,
                                        struct v4l2_jpegcompression *a);
        int (*vidioc_g_enc_index)      (struct file *file, void *fh,
                                        struct v4l2_enc_idx *a);
        int (*vidioc_encoder_cmd)      (struct file *file, void *fh,
                                        struct v4l2_encoder_cmd *a);
        int (*vidioc_try_encoder_cmd)  (struct file *file, void *fh,
                                        struct v4l2_encoder_cmd *a);
 
        /* Stream type-dependent parameter ioctls */
        int (*vidioc_g_parm)           (struct file *file, void *fh,
                                        struct v4l2_streamparm *a);
        int (*vidioc_s_parm)           (struct file *file, void *fh,
                                        struct v4l2_streamparm *a);
 
        /* Tuner ioctls */
        int (*vidioc_g_tuner)          (struct file *file, void *fh,
                                        struct v4l2_tuner *a);
        int (*vidioc_s_tuner)          (struct file *file, void *fh,
                                        struct v4l2_tuner *a);
        int (*vidioc_g_frequency)      (struct file *file, void *fh,
                                        struct v4l2_frequency *a);
        int (*vidioc_s_frequency)      (struct file *file, void *fh,
                                        struct v4l2_frequency *a);
 
        /* Sliced VBI cap */
        int (*vidioc_g_sliced_vbi_cap) (struct file *file, void *fh,
                                        struct v4l2_sliced_vbi_cap *a);
 
        /* Log status ioctl */
        int (*vidioc_log_status)       (struct file *file, void *fh);
 
 
        /* Debugging ioctls */
#ifdef CONFIG_VIDEO_ADV_DEBUG
        int (*vidioc_g_register)       (struct file *file, void *fh,
                                        struct v4l2_register *reg);
        int (*vidioc_s_register)       (struct file *file, void *fh,
                                        struct v4l2_register *reg);
#endif
        int (*vidioc_g_chip_ident)     (struct file *file, void *fh,
                                        struct v4l2_chip_ident *chip);
 
 
#ifdef OBSOLETE_OWNER /* to be removed soon */
/* 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 mutex lock;             /* ... helper function uses these   */
};
 
/* Class-dev to video-device */
#define to_video_device(cd) container_of(cd, struct video_device, class_dev)
 
/* Version 2 functions */
extern int video_register_device(struct video_device *vfd, int type, int nr);
void video_unregister_device(struct video_device *);
extern int video_ioctl2(struct inode *inode, struct file *file,
                          unsigned int cmd, unsigned long 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);
 
/* Include support for obsoleted stuff */
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));
 
#ifdef CONFIG_VIDEO_V4L1_COMPAT
#include <linux/mm.h>
 
static inline int __must_check
video_device_create_file(struct video_device *vfd,
                         struct device_attribute *attr)
{
        int ret = device_create_file(&vfd->class_dev, attr);
        if (ret < 0)
                printk(KERN_WARNING "%s error: %d\n", __FUNCTION__, ret);
        return ret;
}
static inline void
video_device_remove_file(struct video_device *vfd,
                         struct device_attribute *attr)
{
        device_remove_file(&vfd->class_dev, attr);
}
 
#endif /* CONFIG_VIDEO_V4L1_COMPAT */
 
#ifdef OBSOLETE_OWNER /* to be removed soon */
/* helper functions to access driver private data. */
static inline void *video_get_drvdata(struct video_device *dev)
{
        return dev->priv;
}
 
static inline void video_set_drvdata(struct video_device *dev, void *data)
{
        dev->priv = data;
}
 
#endif
 
#ifdef OBSOLETE_DEVDATA /* to be removed soon */
/* Obsolete stuff - Still needed for radio devices and obsolete drivers */
extern struct video_device* video_devdata(struct file*);
extern int video_exclusive_open(struct inode *inode, struct file *file);
extern int video_exclusive_release(struct inode *inode, struct file *file);
#endif
 
#endif /* _V4L2_DEV_H */

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[/] [test_project/] [trunk/] [linux_sd_driver/] [include/] [media/] [v4l2-dev.h] - Blame information for rev 62

Line No.	Rev	Author	Line
1	62	marcus.erl	`/*`
2			`*`
3			`* V 4 L 2 D R I V E R H E L P E R A P I`
4			`*`
5			`* Moved from videodev2.h`
6			`*`
7			`* Some commonly needed functions for drivers (v4l2-common.o module)`
8			`*/`
9			`#ifndef _V4L2_DEV_H`
10			`#define _V4L2_DEV_H`
11
12			`#define OBSOLETE_OWNER 1 /* to be removed soon */`
13			`#define OBSOLETE_DEVDATA 1 /* to be removed soon */`
14
15			`#include <linux/poll.h>`
16			`#include <linux/fs.h>`
17			`#include <linux/device.h>`
18			`#include <linux/mutex.h>`
19			`#include <linux/compiler.h> /* need __user */`
20			`#ifdef CONFIG_VIDEO_V4L1_COMPAT`
21			`#include <linux/videodev.h>`
22			`#else`
23			`#include <linux/videodev2.h>`
24			`#endif`
25
26			`#define VIDEO_MAJOR 81`
27			`/* Minor device allocation */`
28			`#define MINOR_VFL_TYPE_GRABBER_MIN 0`
29			`#define MINOR_VFL_TYPE_GRABBER_MAX 63`
30			`#define MINOR_VFL_TYPE_RADIO_MIN 64`
31			`#define MINOR_VFL_TYPE_RADIO_MAX 127`
32			`#define MINOR_VFL_TYPE_VTX_MIN 192`
33			`#define MINOR_VFL_TYPE_VTX_MAX 223`
34			`#define MINOR_VFL_TYPE_VBI_MIN 224`
35			`#define MINOR_VFL_TYPE_VBI_MAX 255`
36
37			`#define VFL_TYPE_GRABBER 0`
38			`#define VFL_TYPE_VBI 1`
39			`#define VFL_TYPE_RADIO 2`
40			`#define VFL_TYPE_VTX 3`
41
42			`/* Video standard functions */`
43			`extern unsigned int v4l2_video_std_fps(struct v4l2_standard *vs);`
44			`extern char *v4l2_norm_to_name(v4l2_std_id id);`
45			`extern int v4l2_video_std_construct(struct v4l2_standard *vs,`
46			`int id, char *name);`
47
48			`/* prority handling */`
49			`struct v4l2_prio_state {`
50			`atomic_t prios[4];`
51			`};`
52			`int v4l2_prio_init(struct v4l2_prio_state *global);`
53			`int v4l2_prio_change(struct v4l2_prio_state global, enum v4l2_priority local,`
54			`enum v4l2_priority new);`
55			`int v4l2_prio_open(struct v4l2_prio_state global, enum v4l2_priority local);`
56			`int v4l2_prio_close(struct v4l2_prio_state global, enum v4l2_priority local);`
57			`enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global);`
58			`int v4l2_prio_check(struct v4l2_prio_state global, enum v4l2_priority local);`
59
60			`/* names for fancy debug output */`
61			`extern char *v4l2_field_names[];`
62			`extern char *v4l2_type_names[];`
63
64			`/* Compatibility layer interface -- v4l1-compat module */`
65			`typedef int (v4l2_kioctl)(struct inode inode, struct file *file,`
66			`unsigned int cmd, void *arg);`
67			`#ifdef CONFIG_VIDEO_V4L1_COMPAT`
68			`int v4l_compat_translate_ioctl(struct inode inode, struct file file,`
69			`int cmd, void *arg, v4l2_kioctl driver_ioctl);`
70			`#else`
71			`#define v4l_compat_translate_ioctl(inode,file,cmd,arg,ioctl) -EINVAL`
72			`#endif`
73
74			`/* 32 Bits compatibility layer for 64 bits processors */`
75			`extern long v4l_compat_ioctl32(struct file *file, unsigned int cmd,`
76			`unsigned long arg);`
77
78			`/*`
79			`* Newer version of video_device, handled by videodev2.c`
80			`* This version moves redundant code from video device code to`
81			`* the common handler`
82			`*/`
83
84			`struct video_device`
85			`{`
86			`/* device ops */`
87			`const struct file_operations *fops;`
88
89			`/* sysfs */`
90			`struct device class_dev; /* v4l device */`
91			`struct device dev; / device parent */`
92
93			`/* device info */`
94			`char name[32];`
95			`int type; /* v4l1 */`
96			`int type2; /* v4l2 */`
97			`int minor;`
98
99			`int debug; /* Activates debug level*/`
100
101			`/* Video standard vars */`
102			`v4l2_std_id tvnorms; /* Supported tv norms */`
103			`v4l2_std_id current_norm; /* Current tvnorm */`
104
105			`/* callbacks */`
106			`void (release)(struct video_device vfd);`
107
108			`/* ioctl callbacks */`
109
110			`/* VIDIOC_QUERYCAP handler */`
111			`int (vidioc_querycap)(struct file file, void fh, struct v4l2_capability cap);`
112
113			`/* Priority handling */`
114			`int (vidioc_g_priority) (struct file file, void *fh,`
115			`enum v4l2_priority *p);`
116			`int (vidioc_s_priority) (struct file file, void *fh,`
117			`enum v4l2_priority p);`
118
119			`/* VIDIOC_ENUM_FMT handlers */`
120			`int (vidioc_enum_fmt_cap) (struct file file, void *fh,`
121			`struct v4l2_fmtdesc *f);`
122			`int (vidioc_enum_fmt_overlay) (struct file file, void *fh,`
123			`struct v4l2_fmtdesc *f);`
124			`int (vidioc_enum_fmt_vbi) (struct file file, void *fh,`
125			`struct v4l2_fmtdesc *f);`
126			`int (vidioc_enum_fmt_vbi_capture) (struct file file, void *fh,`
127			`struct v4l2_fmtdesc *f);`
128			`int (vidioc_enum_fmt_video_output)(struct file file, void *fh,`
129			`struct v4l2_fmtdesc *f);`
130			`int (vidioc_enum_fmt_output_overlay) (struct file file, void *fh,`
131			`struct v4l2_fmtdesc *f);`
132			`int (vidioc_enum_fmt_vbi_output) (struct file file, void *fh,`
133			`struct v4l2_fmtdesc *f);`
134			`int (vidioc_enum_fmt_type_private)(struct file file, void *fh,`
135			`struct v4l2_fmtdesc *f);`
136
137			`/* VIDIOC_G_FMT handlers */`
138			`int (vidioc_g_fmt_cap) (struct file file, void *fh,`
139			`struct v4l2_format *f);`
140			`int (vidioc_g_fmt_overlay) (struct file file, void *fh,`
141			`struct v4l2_format *f);`
142			`int (vidioc_g_fmt_vbi) (struct file file, void *fh,`
143			`struct v4l2_format *f);`
144			`int (vidioc_g_fmt_vbi_output) (struct file file, void *fh,`
145			`struct v4l2_format *f);`
146			`int (vidioc_g_fmt_vbi_capture)(struct file file, void *fh,`
147			`struct v4l2_format *f);`
148			`int (vidioc_g_fmt_video_output)(struct file file, void *fh,`
149			`struct v4l2_format *f);`
150			`int (vidioc_g_fmt_output_overlay) (struct file file, void *fh,`
151			`struct v4l2_format *f);`
152			`int (vidioc_g_fmt_type_private)(struct file file, void *fh,`
153			`struct v4l2_format *f);`
154
155			`/* VIDIOC_S_FMT handlers */`
156			`int (vidioc_s_fmt_cap) (struct file file, void *fh,`
157			`struct v4l2_format *f);`
158
159			`int (vidioc_s_fmt_overlay) (struct file file, void *fh,`
160			`struct v4l2_format *f);`
161			`int (vidioc_s_fmt_vbi) (struct file file, void *fh,`
162			`struct v4l2_format *f);`
163			`int (vidioc_s_fmt_vbi_output) (struct file file, void *fh,`
164			`struct v4l2_format *f);`
165			`int (vidioc_s_fmt_vbi_capture)(struct file file, void *fh,`
166			`struct v4l2_format *f);`
167			`int (vidioc_s_fmt_video_output)(struct file file, void *fh,`
168			`struct v4l2_format *f);`
169			`int (vidioc_s_fmt_output_overlay) (struct file file, void *fh,`
170			`struct v4l2_format *f);`
171			`int (vidioc_s_fmt_type_private)(struct file file, void *fh,`
172			`struct v4l2_format *f);`
173
174			`/* VIDIOC_TRY_FMT handlers */`
175			`int (vidioc_try_fmt_cap) (struct file file, void *fh,`
176			`struct v4l2_format *f);`
177			`int (vidioc_try_fmt_overlay) (struct file file, void *fh,`
178			`struct v4l2_format *f);`
179			`int (vidioc_try_fmt_vbi) (struct file file, void *fh,`
180			`struct v4l2_format *f);`
181			`int (vidioc_try_fmt_vbi_output) (struct file file, void *fh,`
182			`struct v4l2_format *f);`
183			`int (vidioc_try_fmt_vbi_capture)(struct file file, void *fh,`
184			`struct v4l2_format *f);`
185			`int (vidioc_try_fmt_video_output)(struct file file, void *fh,`
186			`struct v4l2_format *f);`
187			`int (vidioc_try_fmt_output_overlay)(struct file file, void *fh,`
188			`struct v4l2_format *f);`
189			`int (vidioc_try_fmt_type_private)(struct file file, void *fh,`
190			`struct v4l2_format *f);`
191
192			`/* Buffer handlers */`
193			`int (vidioc_reqbufs) (struct file file, void fh, struct v4l2_requestbuffers b);`
194			`int (vidioc_querybuf)(struct file file, void fh, struct v4l2_buffer b);`
195			`int (vidioc_qbuf) (struct file file, void fh, struct v4l2_buffer b);`
196			`int (vidioc_dqbuf) (struct file file, void fh, struct v4l2_buffer b);`
197
198
199			`int (vidioc_overlay) (struct file file, void *fh, unsigned int i);`
200			`#ifdef CONFIG_VIDEO_V4L1_COMPAT`
201			`/* buffer type is struct vidio_mbuf * */`
202			`int (vidiocgmbuf) (struct file file, void fh, struct video_mbuf p);`
203			`#endif`
204			`int (vidioc_g_fbuf) (struct file file, void *fh,`
205			`struct v4l2_framebuffer *a);`
206			`int (vidioc_s_fbuf) (struct file file, void *fh,`
207			`struct v4l2_framebuffer *a);`
208
209			`/* Stream on/off */`
210			`int (vidioc_streamon) (struct file file, void *fh, enum v4l2_buf_type i);`
211			`int (vidioc_streamoff)(struct file file, void *fh, enum v4l2_buf_type i);`
212
213			`/* Standard handling`
214			`G_STD and ENUMSTD are handled by videodev.c`
215			`*/`
216			`int (vidioc_s_std) (struct file file, void fh, v4l2_std_id norm);`
217			`int (vidioc_querystd) (struct file file, void fh, v4l2_std_id a);`
218
219			`/* Input handling */`
220			`int (vidioc_enum_input)(struct file file, void *fh,`
221			`struct v4l2_input *inp);`
222			`int (vidioc_g_input) (struct file file, void fh, unsigned int i);`
223			`int (vidioc_s_input) (struct file file, void *fh, unsigned int i);`
224
225			`/* Output handling */`
226			`int (vidioc_enumoutput) (struct file file, void *fh,`
227			`struct v4l2_output *a);`
228			`int (vidioc_g_output) (struct file file, void fh, unsigned int i);`
229			`int (vidioc_s_output) (struct file file, void *fh, unsigned int i);`
230
231			`/* Control handling */`
232			`int (vidioc_queryctrl) (struct file file, void *fh,`
233			`struct v4l2_queryctrl *a);`
234			`int (vidioc_g_ctrl) (struct file file, void *fh,`
235			`struct v4l2_control *a);`
236			`int (vidioc_s_ctrl) (struct file file, void *fh,`
237			`struct v4l2_control *a);`
238			`int (vidioc_g_ext_ctrls) (struct file file, void *fh,`
239			`struct v4l2_ext_controls *a);`
240			`int (vidioc_s_ext_ctrls) (struct file file, void *fh,`
241			`struct v4l2_ext_controls *a);`
242			`int (vidioc_try_ext_ctrls) (struct file file, void *fh,`
243			`struct v4l2_ext_controls *a);`
244			`int (vidioc_querymenu) (struct file file, void *fh,`
245			`struct v4l2_querymenu *a);`
246
247			`/* Audio ioctls */`
248			`int (vidioc_enumaudio) (struct file file, void *fh,`
249			`struct v4l2_audio *a);`
250			`int (vidioc_g_audio) (struct file file, void *fh,`
251			`struct v4l2_audio *a);`
252			`int (vidioc_s_audio) (struct file file, void *fh,`
253			`struct v4l2_audio *a);`
254
255			`/* Audio out ioctls */`
256			`int (vidioc_enumaudout) (struct file file, void *fh,`
257			`struct v4l2_audioout *a);`
258			`int (vidioc_g_audout) (struct file file, void *fh,`
259			`struct v4l2_audioout *a);`
260			`int (vidioc_s_audout) (struct file file, void *fh,`
261			`struct v4l2_audioout *a);`
262			`int (vidioc_g_modulator) (struct file file, void *fh,`
263			`struct v4l2_modulator *a);`
264			`int (vidioc_s_modulator) (struct file file, void *fh,`
265			`struct v4l2_modulator *a);`
266			`/* Crop ioctls */`
267			`int (vidioc_cropcap) (struct file file, void *fh,`
268			`struct v4l2_cropcap *a);`
269			`int (vidioc_g_crop) (struct file file, void *fh,`
270			`struct v4l2_crop *a);`
271			`int (vidioc_s_crop) (struct file file, void *fh,`
272			`struct v4l2_crop *a);`
273			`/* Compression ioctls */`
274			`int (vidioc_g_jpegcomp) (struct file file, void *fh,`
275			`struct v4l2_jpegcompression *a);`
276			`int (vidioc_s_jpegcomp) (struct file file, void *fh,`
277			`struct v4l2_jpegcompression *a);`
278			`int (vidioc_g_enc_index) (struct file file, void *fh,`
279			`struct v4l2_enc_idx *a);`
280			`int (vidioc_encoder_cmd) (struct file file, void *fh,`
281			`struct v4l2_encoder_cmd *a);`
282			`int (vidioc_try_encoder_cmd) (struct file file, void *fh,`
283			`struct v4l2_encoder_cmd *a);`
284
285			`/* Stream type-dependent parameter ioctls */`
286			`int (vidioc_g_parm) (struct file file, void *fh,`
287			`struct v4l2_streamparm *a);`
288			`int (vidioc_s_parm) (struct file file, void *fh,`
289			`struct v4l2_streamparm *a);`
290
291			`/* Tuner ioctls */`
292			`int (vidioc_g_tuner) (struct file file, void *fh,`
293			`struct v4l2_tuner *a);`
294			`int (vidioc_s_tuner) (struct file file, void *fh,`
295			`struct v4l2_tuner *a);`
296			`int (vidioc_g_frequency) (struct file file, void *fh,`
297			`struct v4l2_frequency *a);`
298			`int (vidioc_s_frequency) (struct file file, void *fh,`
299			`struct v4l2_frequency *a);`
300
301			`/* Sliced VBI cap */`
302			`int (vidioc_g_sliced_vbi_cap) (struct file file, void *fh,`
303			`struct v4l2_sliced_vbi_cap *a);`
304
305			`/* Log status ioctl */`
306			`int (vidioc_log_status) (struct file file, void *fh);`
307
308
309			`/* Debugging ioctls */`
310			`#ifdef CONFIG_VIDEO_ADV_DEBUG`
311			`int (vidioc_g_register) (struct file file, void *fh,`
312			`struct v4l2_register *reg);`
313			`int (vidioc_s_register) (struct file file, void *fh,`
314			`struct v4l2_register *reg);`
315			`#endif`
316			`int (vidioc_g_chip_ident) (struct file file, void *fh,`
317			`struct v4l2_chip_ident *chip);`
318
319
320			`#ifdef OBSOLETE_OWNER /* to be removed soon */`
321			`/* obsolete -- fops->owner is used instead */`
322			`struct module *owner;`
323			`/* dev->driver_data will be used instead some day.`
324			`* Use the video_{get\|set}_drvdata() helper functions,`
325			`* so the switch over will be transparent for you.`
326			`* Or use {pci\|usb}_{get\|set}_drvdata() directly. */`
327			`void *priv;`
328			`#endif`
329
330			`/* for videodev.c intenal usage -- please don't touch */`
331			`int users; /* video_exclusive_{open\|close} ... */`
332			`struct mutex lock; /* ... helper function uses these */`
333			`};`
334
335			`/* Class-dev to video-device */`
336			`#define to_video_device(cd) container_of(cd, struct video_device, class_dev)`
337
338			`/* Version 2 functions */`
339			`extern int video_register_device(struct video_device *vfd, int type, int nr);`
340			`void video_unregister_device(struct video_device *);`
341			`extern int video_ioctl2(struct inode inode, struct file file,`
342			`unsigned int cmd, unsigned long arg);`
343
344			`/* helper functions to alloc / release struct video_device, the`
345			`later can be used for video_device->release() */`
346			`struct video_device *video_device_alloc(void);`
347			`void video_device_release(struct video_device *vfd);`
348
349			`/* Include support for obsoleted stuff */`
350			`extern int video_usercopy(struct inode inode, struct file file,`
351			`unsigned int cmd, unsigned long arg,`
352			`int (func)(struct inode inode, struct file *file,`
353			`unsigned int cmd, void *arg));`
354
355			`#ifdef CONFIG_VIDEO_V4L1_COMPAT`
356			`#include <linux/mm.h>`
357
358			`static inline int __must_check`
359			`video_device_create_file(struct video_device *vfd,`
360			`struct device_attribute *attr)`
361			`{`
362			`int ret = device_create_file(&vfd->class_dev, attr);`
363			`if (ret < 0)`
364			`printk(KERN_WARNING "%s error: %d\n", __FUNCTION__, ret);`
365			`return ret;`
366			`}`
367			`static inline void`
368			`video_device_remove_file(struct video_device *vfd,`
369			`struct device_attribute *attr)`
370			`{`
371			`device_remove_file(&vfd->class_dev, attr);`
372			`}`
373
374			`#endif /* CONFIG_VIDEO_V4L1_COMPAT */`
375
376			`#ifdef OBSOLETE_OWNER /* to be removed soon */`
377			`/* helper functions to access driver private data. */`
378			`static inline void video_get_drvdata(struct video_device dev)`
379			`{`
380			`return dev->priv;`
381			`}`
382
383			`static inline void video_set_drvdata(struct video_device dev, void data)`
384			`{`
385			`dev->priv = data;`
386			`}`
387
388			`#endif`
389
390			`#ifdef OBSOLETE_DEVDATA /* to be removed soon */`
391			`/* Obsolete stuff - Still needed for radio devices and obsolete drivers */`
392			`extern struct video_device* video_devdata(struct file*);`
393			`extern int video_exclusive_open(struct inode inode, struct file file);`
394			`extern int video_exclusive_release(struct inode inode, struct file file);`
395			`#endif`
396
397			`#endif /* _V4L2_DEV_H */`