[linux-2.6-block.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 */
#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 char *v4l2_norm_to_name(v4l2_std_id id);
extern int v4l2_video_std_construct(struct v4l2_standard *vs,
				    int id, char *name);
/* Prints the ioctl in a human-readable format */
extern void v4l_printk_ioctl(unsigned int cmd);

/* 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);

	/* For other private ioctls */
	int (*vidioc_default)	       (struct file *file, void *fh,
					int cmd, void *arg);


#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 */
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
38ee04f0 MCC	12	#define OBSOLETE_OWNER 1 /* to be removed soon */
38ee04f0 MCC	13	#define OBSOLETE_DEVDATA 1 /* to be removed soon */
401998fa MCC	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 */
487206f2	20	#ifdef CONFIG_VIDEO_V4L1_COMPAT
401998fa MCC	21	#include <linux/videodev.h>
	22	#else
	23	#include <linux/videodev2.h>
	24	#endif
	25
401998fa MCC	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
401998fa	42	/* Video standard functions */
e75f9cee	43	extern char *v4l2_norm_to_name(v4l2_std_id id);
401998fa MCC	44	extern int v4l2_video_std_construct(struct v4l2_standard *vs,
401998fa MCC	45	int id, char *name);
057596ee MCC	46	/* Prints the ioctl in a human-readable format */
057596ee MCC	47	extern void v4l_printk_ioctl(unsigned int cmd);
401998fa MCC	48
	49	/* prority handling */
	50	struct v4l2_prio_state {
	51	atomic_t prios[4];
	52	};
	53	int v4l2_prio_init(struct v4l2_prio_state *global);
	54	int v4l2_prio_change(struct v4l2_prio_state global, enum v4l2_priority local,
	55	enum v4l2_priority new);
	56	int v4l2_prio_open(struct v4l2_prio_state global, enum v4l2_priority local);
	57	int v4l2_prio_close(struct v4l2_prio_state global, enum v4l2_priority local);
	58	enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global);
	59	int v4l2_prio_check(struct v4l2_prio_state global, enum v4l2_priority local);
	60
	61	/* names for fancy debug output */
	62	extern char *v4l2_field_names[];
	63	extern char *v4l2_type_names[];
	64
	65	/* Compatibility layer interface -- v4l1-compat module */
	66	typedef int (v4l2_kioctl)(struct inode inode, struct file *file,
	67	unsigned int cmd, void *arg);
	68	#ifdef CONFIG_VIDEO_V4L1_COMPAT
	69	int v4l_compat_translate_ioctl(struct inode inode, struct file file,
	70	int cmd, void *arg, v4l2_kioctl driver_ioctl);
	71	#else
	72	#define v4l_compat_translate_ioctl(inode,file,cmd,arg,ioctl) -EINVAL
	73	#endif
	74
	75	/* 32 Bits compatibility layer for 64 bits processors */
	76	extern long v4l_compat_ioctl32(struct file *file, unsigned int cmd,
	77	unsigned long arg);
	78
	79	/*
	80	* Newer version of video_device, handled by videodev2.c
	81	* This version moves redundant code from video device code to
	82	* the common handler
	83	*/
401998fa MCC	84
	85	struct video_device
	86	{
	87	/* device ops */
5e87efa3	88	const struct file_operations *fops;
401998fa	89
54bd5b66 KS	90	/* sysfs */
	91	struct device class_dev; /* v4l device */
	92	struct device dev; / device parent */
	93
401998fa	94	/* device info */
401998fa MCC	95	char name[32];
	96	int type; /* v4l1 */
	97	int type2; /* v4l2 */
401998fa MCC	98	int minor;
	99
	100	int debug; /* Activates debug level*/
	101
	102	/* Video standard vars */
e75f9cee MCC	103	v4l2_std_id tvnorms; /* Supported tv norms */
e75f9cee MCC	104	v4l2_std_id current_norm; /* Current tvnorm */
401998fa MCC	105
	106	/* callbacks */
	107	void (release)(struct video_device vfd);
	108
	109	/* ioctl callbacks */
	110
	111	/* VIDIOC_QUERYCAP handler */
	112	int (vidioc_querycap)(struct file file, void fh, struct v4l2_capability cap);
	113
	114	/* Priority handling */
	115	int (vidioc_g_priority) (struct file file, void *fh,
	116	enum v4l2_priority *p);
	117	int (vidioc_s_priority) (struct file file, void *fh,
	118	enum v4l2_priority p);
	119
	120	/* VIDIOC_ENUM_FMT handlers */
	121	int (vidioc_enum_fmt_cap) (struct file file, void *fh,
	122	struct v4l2_fmtdesc *f);
	123	int (vidioc_enum_fmt_overlay) (struct file file, void *fh,
	124	struct v4l2_fmtdesc *f);
	125	int (vidioc_enum_fmt_vbi) (struct file file, void *fh,
	126	struct v4l2_fmtdesc *f);
	127	int (vidioc_enum_fmt_vbi_capture) (struct file file, void *fh,
	128	struct v4l2_fmtdesc *f);
	129	int (vidioc_enum_fmt_video_output)(struct file file, void *fh,
	130	struct v4l2_fmtdesc *f);
b2787845 HV	131	int (vidioc_enum_fmt_output_overlay) (struct file file, void *fh,
b2787845 HV	132	struct v4l2_fmtdesc *f);
401998fa MCC	133	int (vidioc_enum_fmt_vbi_output) (struct file file, void *fh,
	134	struct v4l2_fmtdesc *f);
	135	int (vidioc_enum_fmt_type_private)(struct file file, void *fh,
	136	struct v4l2_fmtdesc *f);
	137
	138	/* VIDIOC_G_FMT handlers */
	139	int (vidioc_g_fmt_cap) (struct file file, void *fh,
	140	struct v4l2_format *f);
	141	int (vidioc_g_fmt_overlay) (struct file file, void *fh,
	142	struct v4l2_format *f);
	143	int (vidioc_g_fmt_vbi) (struct file file, void *fh,
	144	struct v4l2_format *f);
	145	int (vidioc_g_fmt_vbi_output) (struct file file, void *fh,
	146	struct v4l2_format *f);
	147	int (vidioc_g_fmt_vbi_capture)(struct file file, void *fh,
	148	struct v4l2_format *f);
	149	int (vidioc_g_fmt_video_output)(struct file file, void *fh,
	150	struct v4l2_format *f);
b2787845 HV	151	int (vidioc_g_fmt_output_overlay) (struct file file, void *fh,
b2787845 HV	152	struct v4l2_format *f);
401998fa MCC	153	int (vidioc_g_fmt_type_private)(struct file file, void *fh,
	154	struct v4l2_format *f);
	155
	156	/* VIDIOC_S_FMT handlers */
	157	int (vidioc_s_fmt_cap) (struct file file, void *fh,
	158	struct v4l2_format *f);
	159
	160	int (vidioc_s_fmt_overlay) (struct file file, void *fh,
	161	struct v4l2_format *f);
	162	int (vidioc_s_fmt_vbi) (struct file file, void *fh,
	163	struct v4l2_format *f);
	164	int (vidioc_s_fmt_vbi_output) (struct file file, void *fh,
	165	struct v4l2_format *f);
	166	int (vidioc_s_fmt_vbi_capture)(struct file file, void *fh,
	167	struct v4l2_format *f);
	168	int (vidioc_s_fmt_video_output)(struct file file, void *fh,
	169	struct v4l2_format *f);
b2787845 HV	170	int (vidioc_s_fmt_output_overlay) (struct file file, void *fh,
b2787845 HV	171	struct v4l2_format *f);
401998fa MCC	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);
b2787845 HV	188	int (vidioc_try_fmt_output_overlay)(struct file file, void *fh,
b2787845 HV	189	struct v4l2_format *f);
401998fa MCC	190	int (vidioc_try_fmt_type_private)(struct file file, void *fh,
	191	struct v4l2_format *f);
	192
	193	/* Buffer handlers */
	194	int (vidioc_reqbufs) (struct file file, void fh, struct v4l2_requestbuffers b);
	195	int (vidioc_querybuf)(struct file file, void fh, struct v4l2_buffer b);
	196	int (vidioc_qbuf) (struct file file, void fh, struct v4l2_buffer b);
	197	int (vidioc_dqbuf) (struct file file, void fh, struct v4l2_buffer b);
	198
	199
	200	int (vidioc_overlay) (struct file file, void *fh, unsigned int i);
8a905162	201	#ifdef CONFIG_VIDEO_V4L1_COMPAT
401998fa MCC	202	/* buffer type is struct vidio_mbuf * */
	203	int (vidiocgmbuf) (struct file file, void fh, struct video_mbuf p);
	204	#endif
	205	int (vidioc_g_fbuf) (struct file file, void *fh,
	206	struct v4l2_framebuffer *a);
	207	int (vidioc_s_fbuf) (struct file file, void *fh,
	208	struct v4l2_framebuffer *a);
	209
	210	/* Stream on/off */
	211	int (vidioc_streamon) (struct file file, void *fh, enum v4l2_buf_type i);
	212	int (vidioc_streamoff)(struct file file, void *fh, enum v4l2_buf_type i);
	213
	214	/* Standard handling
	215	G_STD and ENUMSTD are handled by videodev.c
	216	*/
e75f9cee	217	int (vidioc_s_std) (struct file file, void fh, v4l2_std_id norm);
401998fa MCC	218	int (vidioc_querystd) (struct file file, void fh, v4l2_std_id a);
	219
	220	/* Input handling */
	221	int (vidioc_enum_input)(struct file file, void *fh,
	222	struct v4l2_input *inp);
	223	int (vidioc_g_input) (struct file file, void fh, unsigned int i);
	224	int (vidioc_s_input) (struct file file, void *fh, unsigned int i);
	225
	226	/* Output handling */
	227	int (vidioc_enumoutput) (struct file file, void *fh,
	228	struct v4l2_output *a);
	229	int (vidioc_g_output) (struct file file, void fh, unsigned int i);
	230	int (vidioc_s_output) (struct file file, void *fh, unsigned int i);
	231
	232	/* Control handling */
	233	int (vidioc_queryctrl) (struct file file, void *fh,
	234	struct v4l2_queryctrl *a);
	235	int (vidioc_g_ctrl) (struct file file, void *fh,
	236	struct v4l2_control *a);
	237	int (vidioc_s_ctrl) (struct file file, void *fh,
	238	struct v4l2_control *a);
05976914 HV	239	int (vidioc_g_ext_ctrls) (struct file file, void *fh,
	240	struct v4l2_ext_controls *a);
	241	int (vidioc_s_ext_ctrls) (struct file file, void *fh,
	242	struct v4l2_ext_controls *a);
	243	int (vidioc_try_ext_ctrls) (struct file file, void *fh,
	244	struct v4l2_ext_controls *a);
401998fa MCC	245	int (vidioc_querymenu) (struct file file, void *fh,
	246	struct v4l2_querymenu *a);
	247
	248	/* Audio ioctls */
	249	int (vidioc_enumaudio) (struct file file, void *fh,
	250	struct v4l2_audio *a);
	251	int (vidioc_g_audio) (struct file file, void *fh,
	252	struct v4l2_audio *a);
	253	int (vidioc_s_audio) (struct file file, void *fh,
	254	struct v4l2_audio *a);
	255
	256	/* Audio out ioctls */
	257	int (vidioc_enumaudout) (struct file file, void *fh,
	258	struct v4l2_audioout *a);
	259	int (vidioc_g_audout) (struct file file, void *fh,
	260	struct v4l2_audioout *a);
	261	int (vidioc_s_audout) (struct file file, void *fh,
	262	struct v4l2_audioout *a);
	263	int (vidioc_g_modulator) (struct file file, void *fh,
	264	struct v4l2_modulator *a);
	265	int (vidioc_s_modulator) (struct file file, void *fh,
	266	struct v4l2_modulator *a);
	267	/* Crop ioctls */
	268	int (vidioc_cropcap) (struct file file, void *fh,
	269	struct v4l2_cropcap *a);
	270	int (vidioc_g_crop) (struct file file, void *fh,
	271	struct v4l2_crop *a);
	272	int (vidioc_s_crop) (struct file file, void *fh,
	273	struct v4l2_crop *a);
	274	/* Compression ioctls */
401998fa MCC	275	int (vidioc_g_jpegcomp) (struct file file, void *fh,
	276	struct v4l2_jpegcompression *a);
	277	int (vidioc_s_jpegcomp) (struct file file, void *fh,
	278	struct v4l2_jpegcompression *a);
db6eb5b3 HV	279	int (vidioc_g_enc_index) (struct file file, void *fh,
db6eb5b3 HV	280	struct v4l2_enc_idx *a);
ada6ecd2 HV	281	int (vidioc_encoder_cmd) (struct file file, void *fh,
	282	struct v4l2_encoder_cmd *a);
	283	int (vidioc_try_encoder_cmd) (struct file file, void *fh,
	284	struct v4l2_encoder_cmd *a);
401998fa MCC	285
	286	/* Stream type-dependent parameter ioctls */
	287	int (vidioc_g_parm) (struct file file, void *fh,
	288	struct v4l2_streamparm *a);
	289	int (vidioc_s_parm) (struct file file, void *fh,
	290	struct v4l2_streamparm *a);
	291
	292	/* Tuner ioctls */
	293	int (vidioc_g_tuner) (struct file file, void *fh,
	294	struct v4l2_tuner *a);
	295	int (vidioc_s_tuner) (struct file file, void *fh,
	296	struct v4l2_tuner *a);
	297	int (vidioc_g_frequency) (struct file file, void *fh,
	298	struct v4l2_frequency *a);
	299	int (vidioc_s_frequency) (struct file file, void *fh,
	300	struct v4l2_frequency *a);
	301
	302	/* Sliced VBI cap */
	303	int (vidioc_g_sliced_vbi_cap) (struct file file, void *fh,
	304	struct v4l2_sliced_vbi_cap *a);
	305
	306	/* Log status ioctl */
	307	int (vidioc_log_status) (struct file file, void *fh);
	308
	309
dbbff48f TP	310	/* Debugging ioctls */
	311	#ifdef CONFIG_VIDEO_ADV_DEBUG
	312	int (vidioc_g_register) (struct file file, void *fh,
	313	struct v4l2_register *reg);
	314	int (vidioc_s_register) (struct file file, void *fh,
	315	struct v4l2_register *reg);
	316	#endif
3434eb7e HV	317	int (vidioc_g_chip_ident) (struct file file, void *fh,
3434eb7e HV	318	struct v4l2_chip_ident *chip);
dbbff48f	319
130ca945 DSL	320	/* For other private ioctls */
	321	int (vidioc_default) (struct file file, void *fh,
	322	int cmd, void *arg);
	323
dbbff48f	324
5e87efa3	325	#ifdef OBSOLETE_OWNER /* to be removed soon */
401998fa MCC	326	/* obsolete -- fops->owner is used instead */
	327	struct module *owner;
	328	/* dev->driver_data will be used instead some day.
	329	* Use the video_{get\|set}_drvdata() helper functions,
	330	* so the switch over will be transparent for you.
	331	* Or use {pci\|usb}_{get\|set}_drvdata() directly. */
	332	void *priv;
	333	#endif
	334
	335	/* for videodev.c intenal usage -- please don't touch */
	336	int users; /* video_exclusive_{open\|close} ... */
	337	struct mutex lock; /* ... helper function uses these */
401998fa MCC	338	};
401998fa MCC	339
e90ff923 LT	340	/* Class-dev to video-device */
	341	#define to_video_device(cd) container_of(cd, struct video_device, class_dev)
	342
401998fa MCC	343	/* Version 2 functions */
	344	extern int video_register_device(struct video_device *vfd, int type, int nr);
	345	void video_unregister_device(struct video_device *);
	346	extern int video_ioctl2(struct inode inode, struct file file,
	347	unsigned int cmd, unsigned long arg);
	348
	349	/* helper functions to alloc / release struct video_device, the
	350	later can be used for video_device->release() */
	351	struct video_device *video_device_alloc(void);
	352	void video_device_release(struct video_device *vfd);
	353
	354	/* Include support for obsoleted stuff */
	355	extern int video_usercopy(struct inode inode, struct file file,
	356	unsigned int cmd, unsigned long arg,
	357	int (func)(struct inode inode, struct file *file,
	358	unsigned int cmd, void *arg));
	359
8a905162	360	#ifdef CONFIG_VIDEO_V4L1_COMPAT
401998fa MCC	361	#include <linux/mm.h>
401998fa MCC	362
8a6914ab	363	static inline int __must_check
401998fa	364	video_device_create_file(struct video_device *vfd,
54bd5b66	365	struct device_attribute *attr)
401998fa	366	{
54bd5b66	367	int ret = device_create_file(&vfd->class_dev, attr);
3117beec MK	368	if (ret < 0)
	369	printk(KERN_WARNING "%s error: %d\n", __FUNCTION__, ret);
	370	return ret;
401998fa MCC	371	}
	372	static inline void
	373	video_device_remove_file(struct video_device *vfd,
54bd5b66	374	struct device_attribute *attr)
401998fa	375	{
54bd5b66	376	device_remove_file(&vfd->class_dev, attr);
401998fa MCC	377	}
401998fa MCC	378
8a905162 MCC	379	#endif /* CONFIG_VIDEO_V4L1_COMPAT */
8a905162 MCC	380
5e87efa3	381	#ifdef OBSOLETE_OWNER /* to be removed soon */
401998fa MCC	382	/* helper functions to access driver private data. */
	383	static inline void video_get_drvdata(struct video_device dev)
	384	{
	385	return dev->priv;
	386	}
	387
	388	static inline void video_set_drvdata(struct video_device dev, void data)
	389	{
	390	dev->priv = data;
	391	}
38ee04f0	392
401998fa MCC	393	#endif
401998fa MCC	394
38ee04f0 MCC	395	#ifdef OBSOLETE_DEVDATA /* to be removed soon */
	396	/* Obsolete stuff - Still needed for radio devices and obsolete drivers */
	397	extern struct video_device* video_devdata(struct file*);
401998fa MCC	398	extern int video_exclusive_open(struct inode inode, struct file file);
401998fa MCC	399	extern int video_exclusive_release(struct inode inode, struct file file);
38ee04f0	400	#endif
401998fa MCC	401
401998fa MCC	402	#endif /* _V4L2_DEV_H */