[mirror_ubuntu-artful-kernel.git] / include / media / v4l2-dev.h

/*
 *
 *	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 */

#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
#include <linux/videodev.h>
#else
#include <linux/videodev2.h>
#endif

#include <linux/fs.h>

#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

	const struct file_operations *fops;

/*  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);

/* 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 v4l2_tvnorm {
	char          *name;
	v4l2_std_id   id;

	void          *priv_data;
};

struct video_device
{
	/* device ops */
	struct file_operations *fops;

	/* device info */
	struct device *dev;
	char name[32];
	int type;       /* v4l1 */
	int type2;      /* v4l2 */
	int hardware;
	int minor;

	int debug;	/* Activates debug level*/

	/* Video standard vars */
	int tvnormsize;	/* Size of tvnorm array */
	v4l2_std_id current_norm; /* Current tvnorm */
	struct v4l2_tvnorm *tvnorms;

	/* 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_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_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_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_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 HAVE_V4L1
			/* 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 a);
	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_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_mpegcomp)       (struct file *file, void *fh,
					struct v4l2_mpeg_compression *a);
	int (*vidioc_s_mpegcomp)       (struct file *file, void *fh,
					struct v4l2_mpeg_compression *a);
	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);

	/* 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);


#if 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   */
	char devfs_name[64];           /* devfs */
	struct class_device class_dev; /* sysfs */
};

/* 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 HAVE_V4L1
#include <linux/mm.h>

extern struct video_device* video_devdata(struct file*);

#define to_video_device(cd) container_of(cd, struct video_device, class_dev)
static inline void
video_device_create_file(struct video_device *vfd,
			 struct class_device_attribute *attr)
{
	class_device_create_file(&vfd->class_dev, attr);
}
static inline void
video_device_remove_file(struct video_device *vfd,
			 struct class_device_attribute *attr)
{
	class_device_remove_file(&vfd->class_dev, attr);
}

#if 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

extern int video_exclusive_open(struct inode *inode, struct file *file);
extern int video_exclusive_release(struct inode *inode, struct file *file);
#endif /* HAVE_V4L1 */

#endif /* _V4L2_DEV_H */
Commit	Line	Data
401998fa MCC	1	/*
	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
	14	#include <linux/poll.h>
	15	#include <linux/fs.h>
	16	#include <linux/device.h>
	17	#include <linux/mutex.h>
	18	#include <linux/compiler.h> /* need __user */
	19	#ifdef CONFIG_VIDEO_V4L1
	20	#include <linux/videodev.h>
	21	#else
	22	#include <linux/videodev2.h>
	23	#endif
	24
	25	#include <linux/fs.h>
	26
	27	#define VIDEO_MAJOR 81
	28	/* Minor device allocation */
	29	#define MINOR_VFL_TYPE_GRABBER_MIN 0
	30	#define MINOR_VFL_TYPE_GRABBER_MAX 63
	31	#define MINOR_VFL_TYPE_RADIO_MIN 64
	32	#define MINOR_VFL_TYPE_RADIO_MAX 127
	33	#define MINOR_VFL_TYPE_VTX_MIN 192
	34	#define MINOR_VFL_TYPE_VTX_MAX 223
	35	#define MINOR_VFL_TYPE_VBI_MIN 224
	36	#define MINOR_VFL_TYPE_VBI_MAX 255
	37
	38	#define VFL_TYPE_GRABBER 0
	39	#define VFL_TYPE_VBI 1
	40	#define VFL_TYPE_RADIO 2
	41	#define VFL_TYPE_VTX 3
	42
	43	const struct file_operations *fops;
	44
	45	/* Video standard functions */
	46	extern unsigned int v4l2_video_std_fps(struct v4l2_standard *vs);
	47	extern int v4l2_video_std_construct(struct v4l2_standard *vs,
	48	int id, char *name);
	49
	50	/* prority handling */
	51	struct v4l2_prio_state {
	52	atomic_t prios[4];
	53	};
	54	int v4l2_prio_init(struct v4l2_prio_state *global);
	55	int v4l2_prio_change(struct v4l2_prio_state global, enum v4l2_priority local,
	56	enum v4l2_priority new);
	57	int v4l2_prio_open(struct v4l2_prio_state global, enum v4l2_priority local);
	58	int v4l2_prio_close(struct v4l2_prio_state global, enum v4l2_priority local);
	59	enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global);
	60	int v4l2_prio_check(struct v4l2_prio_state global, enum v4l2_priority local);
	61
	62	/* names for fancy debug output */
	63	extern char *v4l2_field_names[];
	64	extern char *v4l2_type_names[];
65
66	/* Compatibility layer interface -- v4l1-compat module */
67	typedef int (v4l2_kioctl)(struct inode inode, struct file *file,
68	unsigned int cmd, void *arg);
69	#ifdef CONFIG_VIDEO_V4L1_COMPAT
70	int v4l_compat_translate_ioctl(struct inode inode, struct file file,
71	int cmd, void *arg, v4l2_kioctl driver_ioctl);
72	#else
73	#define v4l_compat_translate_ioctl(inode,file,cmd,arg,ioctl) -EINVAL
74	#endif
75
76	/* 32 Bits compatibility layer for 64 bits processors */
77	extern long v4l_compat_ioctl32(struct file *file, unsigned int cmd,
78	unsigned long arg);
79
80	/*
81	* Newer version of video_device, handled by videodev2.c
82	* This version moves redundant code from video device code to
83	* the common handler
84	*/
85	struct v4l2_tvnorm {
86	char *name;
87	v4l2_std_id id;
88
89	void *priv_data;
90	};
91
92	struct video_device
93	{
94	/* device ops */
95	struct file_operations *fops;
96
97	/* device info */
98	struct device *dev;
99	char name[32];
100	int type; /* v4l1 */
101	int type2; /* v4l2 */
102	int hardware;
103	int minor;
104
105	int debug; /* Activates debug level*/
106
107	/* Video standard vars */
108	int tvnormsize; /* Size of tvnorm array */
109	v4l2_std_id current_norm; /* Current tvnorm */
110	struct v4l2_tvnorm *tvnorms;
111
112	/* callbacks */
113	void (release)(struct video_device vfd);
114
115	/* ioctl callbacks */
116
117	/* VIDIOC_QUERYCAP handler */
118	int (vidioc_querycap)(struct file file, void fh, struct v4l2_capability cap);
119
120	/* Priority handling */
121	int (vidioc_g_priority) (struct file file, void *fh,
122	enum v4l2_priority *p);
123	int (vidioc_s_priority) (struct file file, void *fh,
124	enum v4l2_priority p);
125
126	/* VIDIOC_ENUM_FMT handlers */
127	int (vidioc_enum_fmt_cap) (struct file file, void *fh,
128	struct v4l2_fmtdesc *f);
129	int (vidioc_enum_fmt_overlay) (struct file file, void *fh,
130	struct v4l2_fmtdesc *f);
131	int (vidioc_enum_fmt_vbi) (struct file file, void *fh,
132	struct v4l2_fmtdesc *f);
133	int (vidioc_enum_fmt_vbi_capture) (struct file file, void *fh,
134	struct v4l2_fmtdesc *f);
135	int (vidioc_enum_fmt_video_output)(struct file file, void *fh,
136	struct v4l2_fmtdesc *f);
137	int (vidioc_enum_fmt_vbi_output) (struct file file, void *fh,
138	struct v4l2_fmtdesc *f);
139	int (vidioc_enum_fmt_type_private)(struct file file, void *fh,
140	struct v4l2_fmtdesc *f);
141
142	/* VIDIOC_G_FMT handlers */
143	int (vidioc_g_fmt_cap) (struct file file, void *fh,
144	struct v4l2_format *f);
145	int (vidioc_g_fmt_overlay) (struct file file, void *fh,
146	struct v4l2_format *f);
147	int (vidioc_g_fmt_vbi) (struct file file, void *fh,
148	struct v4l2_format *f);
149	int (vidioc_g_fmt_vbi_output) (struct file file, void *fh,
150	struct v4l2_format *f);
151	int (vidioc_g_fmt_vbi_capture)(struct file file, void *fh,
152	struct v4l2_format *f);
153	int (vidioc_g_fmt_video_output)(struct file file, void *fh,
154	struct v4l2_format *f);
155	int (vidioc_g_fmt_type_private)(struct file file, void *fh,
156	struct v4l2_format *f);
157
158	/* VIDIOC_S_FMT handlers */
159	int (vidioc_s_fmt_cap) (struct file file, void *fh,
160	struct v4l2_format *f);
161
162	int (vidioc_s_fmt_overlay) (struct file file, void *fh,
163	struct v4l2_format *f);
164	int (vidioc_s_fmt_vbi) (struct file file, void *fh,
165	struct v4l2_format *f);
166	int (vidioc_s_fmt_vbi_output) (struct file file, void *fh,
167	struct v4l2_format *f);
168	int (vidioc_s_fmt_vbi_capture)(struct file file, void *fh,
169	struct v4l2_format *f);
170	int (vidioc_s_fmt_video_output)(struct file file, void *fh,
171	struct v4l2_format *f);
172	int (vidioc_s_fmt_type_private)(struct file file, void *fh,
173	struct v4l2_format *f);
174
175	/* VIDIOC_TRY_FMT handlers */
176	int (vidioc_try_fmt_cap) (struct file file, void *fh,
177	struct v4l2_format *f);
178	int (vidioc_try_fmt_overlay) (struct file file, void *fh,
179	struct v4l2_format *f);
180	int (vidioc_try_fmt_vbi) (struct file file, void *fh,
181	struct v4l2_format *f);
182	int (vidioc_try_fmt_vbi_output) (struct file file, void *fh,
183	struct v4l2_format *f);
184	int (vidioc_try_fmt_vbi_capture)(struct file file, void *fh,
185	struct v4l2_format *f);
186	int (vidioc_try_fmt_video_output)(struct file file, void *fh,
187	struct v4l2_format *f);
188	int (vidioc_try_fmt_type_private)(struct file file, void *fh,
189	struct v4l2_format *f);
190
191	/* Buffer handlers */
192	int (vidioc_reqbufs) (struct file file, void fh, struct v4l2_requestbuffers b);
193	int (vidioc_querybuf)(struct file file, void fh, struct v4l2_buffer b);
194	int (vidioc_qbuf) (struct file file, void fh, struct v4l2_buffer b);
195	int (vidioc_dqbuf) (struct file file, void fh, struct v4l2_buffer b);
196
197
198	int (vidioc_overlay) (struct file file, void *fh, unsigned int i);
199	#ifdef HAVE_V4L1
200	/* buffer type is struct vidio_mbuf * */
201	int (vidiocgmbuf) (struct file file, void fh, struct video_mbuf p);
202	#endif
203	int (vidioc_g_fbuf) (struct file file, void *fh,
204	struct v4l2_framebuffer *a);
205	int (vidioc_s_fbuf) (struct file file, void *fh,
206	struct v4l2_framebuffer *a);
207
208	/* Stream on/off */
209	int (vidioc_streamon) (struct file file, void *fh, enum v4l2_buf_type i);
210	int (vidioc_streamoff)(struct file file, void *fh, enum v4l2_buf_type i);
211
212	/* Standard handling
213	G_STD and ENUMSTD are handled by videodev.c
214	*/
215	int (vidioc_s_std) (struct file file, void *fh, v4l2_std_id a);
216	int (vidioc_querystd) (struct file file, void fh, v4l2_std_id a);
217
218	/* Input handling */
219	int (vidioc_enum_input)(struct file file, void *fh,
220	struct v4l2_input *inp);
221	int (vidioc_g_input) (struct file file, void fh, unsigned int i);
222	int (vidioc_s_input) (struct file file, void *fh, unsigned int i);
223
224	/* Output handling */
225	int (vidioc_enumoutput) (struct file file, void *fh,
226	struct v4l2_output *a);
227	int (vidioc_g_output) (struct file file, void fh, unsigned int i);
228	int (vidioc_s_output) (struct file file, void *fh, unsigned int i);
229
230	/* Control handling */
231	int (vidioc_queryctrl) (struct file file, void *fh,
232	struct v4l2_queryctrl *a);
233	int (vidioc_g_ctrl) (struct file file, void *fh,
234	struct v4l2_control *a);
235	int (vidioc_s_ctrl) (struct file file, void *fh,
236	struct v4l2_control *a);
237	int (vidioc_querymenu) (struct file file, void *fh,
238	struct v4l2_querymenu *a);
239
240	/* Audio ioctls */
241	int (vidioc_enumaudio) (struct file file, void *fh,
242	struct v4l2_audio *a);
243	int (vidioc_g_audio) (struct file file, void *fh,
244	struct v4l2_audio *a);
245	int (vidioc_s_audio) (struct file file, void *fh,
246	struct v4l2_audio *a);
247
248	/* Audio out ioctls */
249	int (vidioc_enumaudout) (struct file file, void *fh,
250	struct v4l2_audioout *a);
251	int (vidioc_g_audout) (struct file file, void *fh,
252	struct v4l2_audioout *a);
253	int (vidioc_s_audout) (struct file file, void *fh,
254	struct v4l2_audioout *a);
255	int (vidioc_g_modulator) (struct file file, void *fh,
256	struct v4l2_modulator *a);
257	int (vidioc_s_modulator) (struct file file, void *fh,
258	struct v4l2_modulator *a);
259	/* Crop ioctls */
260	int (vidioc_cropcap) (struct file file, void *fh,
261	struct v4l2_cropcap *a);
262	int (vidioc_g_crop) (struct file file, void *fh,
263	struct v4l2_crop *a);
264	int (vidioc_s_crop) (struct file file, void *fh,
265	struct v4l2_crop *a);
266	/* Compression ioctls */
267	int (vidioc_g_mpegcomp) (struct file file, void *fh,
268	struct v4l2_mpeg_compression *a);
269	int (vidioc_s_mpegcomp) (struct file file, void *fh,
270	struct v4l2_mpeg_compression *a);
271	int (vidioc_g_jpegcomp) (struct file file, void *fh,
272	struct v4l2_jpegcompression *a);
273	int (vidioc_s_jpegcomp) (struct file file, void *fh,
274	struct v4l2_jpegcompression *a);
275
276	/* Stream type-dependent parameter ioctls */
277	int (vidioc_g_parm) (struct file file, void *fh,
278	struct v4l2_streamparm *a);
279	int (vidioc_s_parm) (struct file file, void *fh,
280	struct v4l2_streamparm *a);
281
282	/* Tuner ioctls */
283	int (vidioc_g_tuner) (struct file file, void *fh,
284	struct v4l2_tuner *a);
285	int (vidioc_s_tuner) (struct file file, void *fh,
286	struct v4l2_tuner *a);
287	int (vidioc_g_frequency) (struct file file, void *fh,
288	struct v4l2_frequency *a);
289	int (vidioc_s_frequency) (struct file file, void *fh,
290	struct v4l2_frequency *a);
291
292	/* Sliced VBI cap */
293	int (vidioc_g_sliced_vbi_cap) (struct file file, void *fh,
294	struct v4l2_sliced_vbi_cap *a);
295
296	/* Log status ioctl */
297	int (vidioc_log_status) (struct file file, void *fh);
298
299
300	#if OBSOLETE_OWNER /* to be removed soon */
301	/* obsolete -- fops->owner is used instead */
302	struct module *owner;
303	/* dev->driver_data will be used instead some day.
304	* Use the video_{get\|set}_drvdata() helper functions,
305	* so the switch over will be transparent for you.
306	* Or use {pci\|usb}_{get\|set}_drvdata() directly. */
307	void *priv;
308	#endif
309
310	/* for videodev.c intenal usage -- please don't touch */
311	int users; /* video_exclusive_{open\|close} ... */
312	struct mutex lock; /* ... helper function uses these */
313	char devfs_name[64]; /* devfs */
314	struct class_device class_dev; /* sysfs */
315	};
316
317	/* Version 2 functions */
318	extern int video_register_device(struct video_device *vfd, int type, int nr);
319	void video_unregister_device(struct video_device *);
320	extern int video_ioctl2(struct inode inode, struct file file,
321	unsigned int cmd, unsigned long arg);
322
323	/* helper functions to alloc / release struct video_device, the
324	later can be used for video_device->release() */
325	struct video_device *video_device_alloc(void);
326	void video_device_release(struct video_device *vfd);
327
328	/* Include support for obsoleted stuff */
329	extern int video_usercopy(struct inode inode, struct file file,
330	unsigned int cmd, unsigned long arg,
331	int (func)(struct inode inode, struct file *file,
332	unsigned int cmd, void *arg));
333
334
335	#ifdef HAVE_V4L1
336	#include <linux/mm.h>
337
338	extern struct video_device* video_devdata(struct file*);
339
340	#define to_video_device(cd) container_of(cd, struct video_device, class_dev)
341	static inline void
342	video_device_create_file(struct video_device *vfd,
343	struct class_device_attribute *attr)
344	{
345	class_device_create_file(&vfd->class_dev, attr);
346	}
347	static inline void
348	video_device_remove_file(struct video_device *vfd,
349	struct class_device_attribute *attr)
350	{
351	class_device_remove_file(&vfd->class_dev, attr);
352	}
353
354	#if OBSOLETE_OWNER /* to be removed soon */
355	/* helper functions to access driver private data. */
356	static inline void video_get_drvdata(struct video_device dev)
357	{
358	return dev->priv;
359	}
360
361	static inline void video_set_drvdata(struct video_device dev, void data)
362	{
363	dev->priv = data;
364	}
365	#endif
366
367	extern int video_exclusive_open(struct inode inode, struct file file);
368	extern int video_exclusive_release(struct inode inode, struct file file);
369	#endif /* HAVE_V4L1 */
370
371	#endif /* _V4L2_DEV_H */