[linux-2.6-block.git] / include / media / v4l2-ioctl.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_IOCTL_H
#define _V4L2_IOCTL_H

#include <linux/poll.h>
#include <linux/fs.h>
#include <linux/mutex.h>
#include <linux/compiler.h> /* need __user */
#include <linux/videodev2.h>

struct v4l2_fh;

struct v4l2_ioctl_ops {
	/* ioctl callbacks */

	/* VIDIOC_QUERYCAP handler */
	int (*vidioc_querycap)(struct file *file, void *fh, struct v4l2_capability *cap);

	/* VIDIOC_ENUM_FMT handlers */
	int (*vidioc_enum_fmt_vid_cap)     (struct file *file, void *fh,
					    struct v4l2_fmtdesc *f);
	int (*vidioc_enum_fmt_vid_overlay) (struct file *file, void *fh,
					    struct v4l2_fmtdesc *f);
	int (*vidioc_enum_fmt_vid_out)     (struct file *file, void *fh,
					    struct v4l2_fmtdesc *f);
	int (*vidioc_enum_fmt_vid_cap_mplane)(struct file *file, void *fh,
					      struct v4l2_fmtdesc *f);
	int (*vidioc_enum_fmt_vid_out_mplane)(struct file *file, void *fh,
					      struct v4l2_fmtdesc *f);
	int (*vidioc_enum_fmt_sdr_cap)     (struct file *file, void *fh,
					    struct v4l2_fmtdesc *f);
	int (*vidioc_enum_fmt_sdr_out)     (struct file *file, void *fh,
					    struct v4l2_fmtdesc *f);

	/* VIDIOC_G_FMT handlers */
	int (*vidioc_g_fmt_vid_cap)    (struct file *file, void *fh,
					struct v4l2_format *f);
	int (*vidioc_g_fmt_vid_overlay)(struct file *file, void *fh,
					struct v4l2_format *f);
	int (*vidioc_g_fmt_vid_out)    (struct file *file, void *fh,
					struct v4l2_format *f);
	int (*vidioc_g_fmt_vid_out_overlay)(struct file *file, void *fh,
					struct v4l2_format *f);
	int (*vidioc_g_fmt_vbi_cap)    (struct file *file, void *fh,
					struct v4l2_format *f);
	int (*vidioc_g_fmt_vbi_out)    (struct file *file, void *fh,
					struct v4l2_format *f);
	int (*vidioc_g_fmt_sliced_vbi_cap)(struct file *file, void *fh,
					struct v4l2_format *f);
	int (*vidioc_g_fmt_sliced_vbi_out)(struct file *file, void *fh,
					struct v4l2_format *f);
	int (*vidioc_g_fmt_vid_cap_mplane)(struct file *file, void *fh,
					   struct v4l2_format *f);
	int (*vidioc_g_fmt_vid_out_mplane)(struct file *file, void *fh,
					   struct v4l2_format *f);
	int (*vidioc_g_fmt_sdr_cap)    (struct file *file, void *fh,
					struct v4l2_format *f);
	int (*vidioc_g_fmt_sdr_out)    (struct file *file, void *fh,
					struct v4l2_format *f);

	/* VIDIOC_S_FMT handlers */
	int (*vidioc_s_fmt_vid_cap)    (struct file *file, void *fh,
					struct v4l2_format *f);
	int (*vidioc_s_fmt_vid_overlay)(struct file *file, void *fh,
					struct v4l2_format *f);
	int (*vidioc_s_fmt_vid_out)    (struct file *file, void *fh,
					struct v4l2_format *f);
	int (*vidioc_s_fmt_vid_out_overlay)(struct file *file, void *fh,
					struct v4l2_format *f);
	int (*vidioc_s_fmt_vbi_cap)    (struct file *file, void *fh,
					struct v4l2_format *f);
	int (*vidioc_s_fmt_vbi_out)    (struct file *file, void *fh,
					struct v4l2_format *f);
	int (*vidioc_s_fmt_sliced_vbi_cap)(struct file *file, void *fh,
					struct v4l2_format *f);
	int (*vidioc_s_fmt_sliced_vbi_out)(struct file *file, void *fh,
					struct v4l2_format *f);
	int (*vidioc_s_fmt_vid_cap_mplane)(struct file *file, void *fh,
					   struct v4l2_format *f);
	int (*vidioc_s_fmt_vid_out_mplane)(struct file *file, void *fh,
					   struct v4l2_format *f);
	int (*vidioc_s_fmt_sdr_cap)    (struct file *file, void *fh,
					struct v4l2_format *f);
	int (*vidioc_s_fmt_sdr_out)    (struct file *file, void *fh,
					struct v4l2_format *f);

	/* VIDIOC_TRY_FMT handlers */
	int (*vidioc_try_fmt_vid_cap)    (struct file *file, void *fh,
					  struct v4l2_format *f);
	int (*vidioc_try_fmt_vid_overlay)(struct file *file, void *fh,
					  struct v4l2_format *f);
	int (*vidioc_try_fmt_vid_out)    (struct file *file, void *fh,
					  struct v4l2_format *f);
	int (*vidioc_try_fmt_vid_out_overlay)(struct file *file, void *fh,
					  struct v4l2_format *f);
	int (*vidioc_try_fmt_vbi_cap)    (struct file *file, void *fh,
					  struct v4l2_format *f);
	int (*vidioc_try_fmt_vbi_out)    (struct file *file, void *fh,
					  struct v4l2_format *f);
	int (*vidioc_try_fmt_sliced_vbi_cap)(struct file *file, void *fh,
					  struct v4l2_format *f);
	int (*vidioc_try_fmt_sliced_vbi_out)(struct file *file, void *fh,
					  struct v4l2_format *f);
	int (*vidioc_try_fmt_vid_cap_mplane)(struct file *file, void *fh,
					     struct v4l2_format *f);
	int (*vidioc_try_fmt_vid_out_mplane)(struct file *file, void *fh,
					     struct v4l2_format *f);
	int (*vidioc_try_fmt_sdr_cap)    (struct file *file, void *fh,
					  struct v4l2_format *f);
	int (*vidioc_try_fmt_sdr_out)    (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_expbuf)  (struct file *file, void *fh,
				struct v4l2_exportbuffer *e);
	int (*vidioc_dqbuf)   (struct file *file, void *fh, struct v4l2_buffer *b);

	int (*vidioc_create_bufs)(struct file *file, void *fh, struct v4l2_create_buffers *b);
	int (*vidioc_prepare_buf)(struct file *file, void *fh, struct v4l2_buffer *b);

	int (*vidioc_overlay) (struct file *file, void *fh, unsigned int i);
	int (*vidioc_g_fbuf)   (struct file *file, void *fh,
				struct v4l2_framebuffer *a);
	int (*vidioc_s_fbuf)   (struct file *file, void *fh,
				const 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
			ENUMSTD is handled by videodev.c
		 */
	int (*vidioc_g_std) (struct file *file, void *fh, v4l2_std_id *norm);
	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_enum_output) (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_query_ext_ctrl)   (struct file *file, void *fh,
					struct v4l2_query_ext_ctrl *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,
					const 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,
					const 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,
					const 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,
					const struct v4l2_crop *a);
	int (*vidioc_g_selection)      (struct file *file, void *fh,
					struct v4l2_selection *s);
	int (*vidioc_s_selection)      (struct file *file, void *fh,
					struct v4l2_selection *s);
	/* Compression ioctls */
	int (*vidioc_g_jpegcomp)       (struct file *file, void *fh,
					struct v4l2_jpegcompression *a);
	int (*vidioc_s_jpegcomp)       (struct file *file, void *fh,
					const 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);
	int (*vidioc_decoder_cmd)      (struct file *file, void *fh,
					struct v4l2_decoder_cmd *a);
	int (*vidioc_try_decoder_cmd)  (struct file *file, void *fh,
					struct v4l2_decoder_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,
					const 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,
					const struct v4l2_frequency *a);
	int (*vidioc_enum_freq_bands) (struct file *file, void *fh,
				    struct v4l2_frequency_band *band);

	/* 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);

	int (*vidioc_s_hw_freq_seek)   (struct file *file, void *fh,
					const struct v4l2_hw_freq_seek *a);

	/* Debugging ioctls */
#ifdef CONFIG_VIDEO_ADV_DEBUG
	int (*vidioc_g_register)       (struct file *file, void *fh,
					struct v4l2_dbg_register *reg);
	int (*vidioc_s_register)       (struct file *file, void *fh,
					const struct v4l2_dbg_register *reg);

	int (*vidioc_g_chip_info)      (struct file *file, void *fh,
					struct v4l2_dbg_chip_info *chip);
#endif

	int (*vidioc_enum_framesizes)   (struct file *file, void *fh,
					 struct v4l2_frmsizeenum *fsize);

	int (*vidioc_enum_frameintervals) (struct file *file, void *fh,
					   struct v4l2_frmivalenum *fival);

	/* DV Timings IOCTLs */
	int (*vidioc_s_dv_timings) (struct file *file, void *fh,
				    struct v4l2_dv_timings *timings);
	int (*vidioc_g_dv_timings) (struct file *file, void *fh,
				    struct v4l2_dv_timings *timings);
	int (*vidioc_query_dv_timings) (struct file *file, void *fh,
				    struct v4l2_dv_timings *timings);
	int (*vidioc_enum_dv_timings) (struct file *file, void *fh,
				    struct v4l2_enum_dv_timings *timings);
	int (*vidioc_dv_timings_cap) (struct file *file, void *fh,
				    struct v4l2_dv_timings_cap *cap);
	int (*vidioc_g_edid) (struct file *file, void *fh, struct v4l2_edid *edid);
	int (*vidioc_s_edid) (struct file *file, void *fh, struct v4l2_edid *edid);

	int (*vidioc_subscribe_event)  (struct v4l2_fh *fh,
					const struct v4l2_event_subscription *sub);
	int (*vidioc_unsubscribe_event)(struct v4l2_fh *fh,
					const struct v4l2_event_subscription *sub);

	/* For other private ioctls */
	long (*vidioc_default)	       (struct file *file, void *fh,
					bool valid_prio, unsigned int cmd, void *arg);
};


/* v4l debugging and diagnostics */

/* Device debug flags to be used with the video device debug attribute */

/* Just log the ioctl name + error code */
#define V4L2_DEV_DEBUG_IOCTL		0x01
/* Log the ioctl name arguments + error code */
#define V4L2_DEV_DEBUG_IOCTL_ARG	0x02
/* Log the file operations open, release, mmap and get_unmapped_area */
#define V4L2_DEV_DEBUG_FOP		0x04
/* Log the read and write file operations and the VIDIOC_(D)QBUF ioctls */
#define V4L2_DEV_DEBUG_STREAMING	0x08
/* Log poll() */
#define V4L2_DEV_DEBUG_POLL		0x10

/*  Video standard functions  */
extern const char *v4l2_norm_to_name(v4l2_std_id id);
extern void v4l2_video_std_frame_period(int id, struct v4l2_fract *frameperiod);
extern int v4l2_video_std_construct(struct v4l2_standard *vs,
				    int id, const char *name);
/* Prints the ioctl in a human-readable format. If prefix != NULL,
   then do printk(KERN_DEBUG "%s: ", prefix) first. */
extern void v4l_printk_ioctl(const char *prefix, unsigned int cmd);

/* Internal use only: get the mutex (if any) that we need to lock for the
   given command. */
struct video_device;
extern struct mutex *v4l2_ioctl_get_lock(struct video_device *vdev, unsigned cmd);

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

#ifdef CONFIG_COMPAT
/* 32 Bits compatibility layer for 64 bits processors */
extern long v4l2_compat_ioctl32(struct file *file, unsigned int cmd,
				unsigned long arg);
#endif

typedef long (*v4l2_kioctl)(struct file *file,
		unsigned int cmd, void *arg);

/* Include support for obsoleted stuff */
extern long video_usercopy(struct file *file, unsigned int cmd,
				unsigned long arg, v4l2_kioctl func);

/* Standard handlers for V4L ioctl's */
extern long video_ioctl2(struct file *file,
			unsigned int cmd, unsigned long arg);

#endif /* _V4L2_IOCTL_H */
Commit	Line	Data
35ea11ff HV	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_IOCTL_H
	10	#define _V4L2_IOCTL_H
	11
	12	#include <linux/poll.h>
	13	#include <linux/fs.h>
35ea11ff HV	14	#include <linux/mutex.h>
35ea11ff HV	15	#include <linux/compiler.h> /* need __user */
35ea11ff	16	#include <linux/videodev2.h>
35ea11ff	17
d3d7c963 SA	18	struct v4l2_fh;
d3d7c963 SA	19
a399810c HV	20	struct v4l2_ioctl_ops {
	21	/* ioctl callbacks */
	22
	23	/* VIDIOC_QUERYCAP handler */
	24	int (vidioc_querycap)(struct file file, void fh, struct v4l2_capability cap);
	25
a399810c HV	26	/* VIDIOC_ENUM_FMT handlers */
	27	int (vidioc_enum_fmt_vid_cap) (struct file file, void *fh,
	28	struct v4l2_fmtdesc *f);
	29	int (vidioc_enum_fmt_vid_overlay) (struct file file, void *fh,
	30	struct v4l2_fmtdesc *f);
	31	int (vidioc_enum_fmt_vid_out) (struct file file, void *fh,
	32	struct v4l2_fmtdesc *f);
d14e6d76 PO	33	int (vidioc_enum_fmt_vid_cap_mplane)(struct file file, void *fh,
	34	struct v4l2_fmtdesc *f);
	35	int (vidioc_enum_fmt_vid_out_mplane)(struct file file, void *fh,
	36	struct v4l2_fmtdesc *f);
855df1dc AP	37	int (vidioc_enum_fmt_sdr_cap) (struct file file, void *fh,
855df1dc AP	38	struct v4l2_fmtdesc *f);
9effc72f AP	39	int (vidioc_enum_fmt_sdr_out) (struct file file, void *fh,
9effc72f AP	40	struct v4l2_fmtdesc *f);
a399810c HV	41
	42	/* VIDIOC_G_FMT handlers */
	43	int (vidioc_g_fmt_vid_cap) (struct file file, void *fh,
	44	struct v4l2_format *f);
	45	int (vidioc_g_fmt_vid_overlay)(struct file file, void *fh,
	46	struct v4l2_format *f);
	47	int (vidioc_g_fmt_vid_out) (struct file file, void *fh,
	48	struct v4l2_format *f);
	49	int (vidioc_g_fmt_vid_out_overlay)(struct file file, void *fh,
	50	struct v4l2_format *f);
	51	int (vidioc_g_fmt_vbi_cap) (struct file file, void *fh,
	52	struct v4l2_format *f);
	53	int (vidioc_g_fmt_vbi_out) (struct file file, void *fh,
	54	struct v4l2_format *f);
	55	int (vidioc_g_fmt_sliced_vbi_cap)(struct file file, void *fh,
	56	struct v4l2_format *f);
	57	int (vidioc_g_fmt_sliced_vbi_out)(struct file file, void *fh,
	58	struct v4l2_format *f);
d14e6d76 PO	59	int (vidioc_g_fmt_vid_cap_mplane)(struct file file, void *fh,
	60	struct v4l2_format *f);
	61	int (vidioc_g_fmt_vid_out_mplane)(struct file file, void *fh,
	62	struct v4l2_format *f);
855df1dc AP	63	int (vidioc_g_fmt_sdr_cap) (struct file file, void *fh,
855df1dc AP	64	struct v4l2_format *f);
9effc72f AP	65	int (vidioc_g_fmt_sdr_out) (struct file file, void *fh,
9effc72f AP	66	struct v4l2_format *f);
a399810c HV	67
	68	/* VIDIOC_S_FMT handlers */
	69	int (vidioc_s_fmt_vid_cap) (struct file file, void *fh,
	70	struct v4l2_format *f);
	71	int (vidioc_s_fmt_vid_overlay)(struct file file, void *fh,
	72	struct v4l2_format *f);
	73	int (vidioc_s_fmt_vid_out) (struct file file, void *fh,
	74	struct v4l2_format *f);
	75	int (vidioc_s_fmt_vid_out_overlay)(struct file file, void *fh,
	76	struct v4l2_format *f);
	77	int (vidioc_s_fmt_vbi_cap) (struct file file, void *fh,
	78	struct v4l2_format *f);
	79	int (vidioc_s_fmt_vbi_out) (struct file file, void *fh,
	80	struct v4l2_format *f);
	81	int (vidioc_s_fmt_sliced_vbi_cap)(struct file file, void *fh,
	82	struct v4l2_format *f);
	83	int (vidioc_s_fmt_sliced_vbi_out)(struct file file, void *fh,
	84	struct v4l2_format *f);
d14e6d76 PO	85	int (vidioc_s_fmt_vid_cap_mplane)(struct file file, void *fh,
	86	struct v4l2_format *f);
	87	int (vidioc_s_fmt_vid_out_mplane)(struct file file, void *fh,
	88	struct v4l2_format *f);
855df1dc AP	89	int (vidioc_s_fmt_sdr_cap) (struct file file, void *fh,
855df1dc AP	90	struct v4l2_format *f);
9effc72f AP	91	int (vidioc_s_fmt_sdr_out) (struct file file, void *fh,
9effc72f AP	92	struct v4l2_format *f);
a399810c HV	93
	94	/* VIDIOC_TRY_FMT handlers */
	95	int (vidioc_try_fmt_vid_cap) (struct file file, void *fh,
	96	struct v4l2_format *f);
	97	int (vidioc_try_fmt_vid_overlay)(struct file file, void *fh,
	98	struct v4l2_format *f);
	99	int (vidioc_try_fmt_vid_out) (struct file file, void *fh,
	100	struct v4l2_format *f);
	101	int (vidioc_try_fmt_vid_out_overlay)(struct file file, void *fh,
	102	struct v4l2_format *f);
	103	int (vidioc_try_fmt_vbi_cap) (struct file file, void *fh,
	104	struct v4l2_format *f);
	105	int (vidioc_try_fmt_vbi_out) (struct file file, void *fh,
	106	struct v4l2_format *f);
	107	int (vidioc_try_fmt_sliced_vbi_cap)(struct file file, void *fh,
	108	struct v4l2_format *f);
	109	int (vidioc_try_fmt_sliced_vbi_out)(struct file file, void *fh,
	110	struct v4l2_format *f);
d14e6d76 PO	111	int (vidioc_try_fmt_vid_cap_mplane)(struct file file, void *fh,
	112	struct v4l2_format *f);
	113	int (vidioc_try_fmt_vid_out_mplane)(struct file file, void *fh,
	114	struct v4l2_format *f);
855df1dc	115	int (vidioc_try_fmt_sdr_cap) (struct file file, void *fh,
9effc72f AP	116	struct v4l2_format *f);
9effc72f AP	117	int (vidioc_try_fmt_sdr_out) (struct file file, void *fh,
855df1dc	118	struct v4l2_format *f);
a399810c HV	119
	120	/* Buffer handlers */
	121	int (vidioc_reqbufs) (struct file file, void fh, struct v4l2_requestbuffers b);
	122	int (vidioc_querybuf)(struct file file, void fh, struct v4l2_buffer b);
	123	int (vidioc_qbuf) (struct file file, void fh, struct v4l2_buffer b);
b799d09a TS	124	int (vidioc_expbuf) (struct file file, void *fh,
b799d09a TS	125	struct v4l2_exportbuffer *e);
a399810c HV	126	int (vidioc_dqbuf) (struct file file, void fh, struct v4l2_buffer b);
a399810c HV	127
2150158b GL	128	int (vidioc_create_bufs)(struct file file, void fh, struct v4l2_create_buffers b);
2150158b GL	129	int (vidioc_prepare_buf)(struct file file, void fh, struct v4l2_buffer b);
a399810c HV	130
a399810c HV	131	int (vidioc_overlay) (struct file file, void *fh, unsigned int i);
a399810c HV	132	int (vidioc_g_fbuf) (struct file file, void *fh,
	133	struct v4l2_framebuffer *a);
	134	int (vidioc_s_fbuf) (struct file file, void *fh,
e6eb28c2	135	const struct v4l2_framebuffer *a);
a399810c HV	136
	137	/* Stream on/off */
	138	int (vidioc_streamon) (struct file file, void *fh, enum v4l2_buf_type i);
	139	int (vidioc_streamoff)(struct file file, void *fh, enum v4l2_buf_type i);
	140
	141	/* Standard handling
	142	ENUMSTD is handled by videodev.c
	143	*/
	144	int (vidioc_g_std) (struct file file, void fh, v4l2_std_id norm);
314527ac	145	int (vidioc_s_std) (struct file file, void *fh, v4l2_std_id norm);
a399810c HV	146	int (vidioc_querystd) (struct file file, void fh, v4l2_std_id a);
	147
	148	/* Input handling */
	149	int (vidioc_enum_input)(struct file file, void *fh,
	150	struct v4l2_input *inp);
	151	int (vidioc_g_input) (struct file file, void fh, unsigned int i);
	152	int (vidioc_s_input) (struct file file, void *fh, unsigned int i);
	153
	154	/* Output handling */
	155	int (vidioc_enum_output) (struct file file, void *fh,
	156	struct v4l2_output *a);
	157	int (vidioc_g_output) (struct file file, void fh, unsigned int i);
	158	int (vidioc_s_output) (struct file file, void *fh, unsigned int i);
	159
	160	/* Control handling */
	161	int (vidioc_queryctrl) (struct file file, void *fh,
	162	struct v4l2_queryctrl *a);
e6bee368 HV	163	int (vidioc_query_ext_ctrl) (struct file file, void *fh,
e6bee368 HV	164	struct v4l2_query_ext_ctrl *a);
a399810c HV	165	int (vidioc_g_ctrl) (struct file file, void *fh,
	166	struct v4l2_control *a);
	167	int (vidioc_s_ctrl) (struct file file, void *fh,
	168	struct v4l2_control *a);
	169	int (vidioc_g_ext_ctrls) (struct file file, void *fh,
	170	struct v4l2_ext_controls *a);
	171	int (vidioc_s_ext_ctrls) (struct file file, void *fh,
	172	struct v4l2_ext_controls *a);
	173	int (vidioc_try_ext_ctrls) (struct file file, void *fh,
	174	struct v4l2_ext_controls *a);
	175	int (vidioc_querymenu) (struct file file, void *fh,
	176	struct v4l2_querymenu *a);
	177
	178	/* Audio ioctls */
	179	int (vidioc_enumaudio) (struct file file, void *fh,
	180	struct v4l2_audio *a);
	181	int (vidioc_g_audio) (struct file file, void *fh,
	182	struct v4l2_audio *a);
	183	int (vidioc_s_audio) (struct file file, void *fh,
0e8025b9	184	const struct v4l2_audio *a);
a399810c HV	185
	186	/* Audio out ioctls */
	187	int (vidioc_enumaudout) (struct file file, void *fh,
	188	struct v4l2_audioout *a);
	189	int (vidioc_g_audout) (struct file file, void *fh,
	190	struct v4l2_audioout *a);
	191	int (vidioc_s_audout) (struct file file, void *fh,
ba9425bc	192	const struct v4l2_audioout *a);
a399810c HV	193	int (vidioc_g_modulator) (struct file file, void *fh,
	194	struct v4l2_modulator *a);
	195	int (vidioc_s_modulator) (struct file file, void *fh,
3f70e1f5	196	const struct v4l2_modulator *a);
a399810c HV	197	/* Crop ioctls */
	198	int (vidioc_cropcap) (struct file file, void *fh,
	199	struct v4l2_cropcap *a);
	200	int (vidioc_g_crop) (struct file file, void *fh,
	201	struct v4l2_crop *a);
	202	int (vidioc_s_crop) (struct file file, void *fh,
4f996594	203	const struct v4l2_crop *a);
0e8caace TS	204	int (vidioc_g_selection) (struct file file, void *fh,
	205	struct v4l2_selection *s);
	206	int (vidioc_s_selection) (struct file file, void *fh,
	207	struct v4l2_selection *s);
a399810c HV	208	/* Compression ioctls */
	209	int (vidioc_g_jpegcomp) (struct file file, void *fh,
	210	struct v4l2_jpegcompression *a);
	211	int (vidioc_s_jpegcomp) (struct file file, void *fh,
d88aab53	212	const struct v4l2_jpegcompression *a);
a399810c HV	213	int (vidioc_g_enc_index) (struct file file, void *fh,
	214	struct v4l2_enc_idx *a);
	215	int (vidioc_encoder_cmd) (struct file file, void *fh,
	216	struct v4l2_encoder_cmd *a);
	217	int (vidioc_try_encoder_cmd) (struct file file, void *fh,
	218	struct v4l2_encoder_cmd *a);
a45c0ad5 HV	219	int (vidioc_decoder_cmd) (struct file file, void *fh,
	220	struct v4l2_decoder_cmd *a);
	221	int (vidioc_try_decoder_cmd) (struct file file, void *fh,
	222	struct v4l2_decoder_cmd *a);
a399810c HV	223
	224	/* Stream type-dependent parameter ioctls */
	225	int (vidioc_g_parm) (struct file file, void *fh,
	226	struct v4l2_streamparm *a);
	227	int (vidioc_s_parm) (struct file file, void *fh,
	228	struct v4l2_streamparm *a);
	229
	230	/* Tuner ioctls */
	231	int (vidioc_g_tuner) (struct file file, void *fh,
	232	struct v4l2_tuner *a);
	233	int (vidioc_s_tuner) (struct file file, void *fh,
2f73c7c5	234	const struct v4l2_tuner *a);
a399810c HV	235	int (vidioc_g_frequency) (struct file file, void *fh,
	236	struct v4l2_frequency *a);
	237	int (vidioc_s_frequency) (struct file file, void *fh,
b530a447	238	const struct v4l2_frequency *a);
82b655bf HV	239	int (vidioc_enum_freq_bands) (struct file file, void *fh,
82b655bf HV	240	struct v4l2_frequency_band *band);
a399810c HV	241
	242	/* Sliced VBI cap */
	243	int (vidioc_g_sliced_vbi_cap) (struct file file, void *fh,
	244	struct v4l2_sliced_vbi_cap *a);
	245
	246	/* Log status ioctl */
	247	int (vidioc_log_status) (struct file file, void *fh);
	248
	249	int (vidioc_s_hw_freq_seek) (struct file file, void *fh,
ec6f4328	250	const struct v4l2_hw_freq_seek *a);
a399810c HV	251
	252	/* Debugging ioctls */
	253	#ifdef CONFIG_VIDEO_ADV_DEBUG
	254	int (vidioc_g_register) (struct file file, void *fh,
aecde8b5	255	struct v4l2_dbg_register *reg);
a399810c	256	int (vidioc_s_register) (struct file file, void *fh,
977ba3b1	257	const struct v4l2_dbg_register *reg);
a399810c	258
96b03d2a HV	259	int (vidioc_g_chip_info) (struct file file, void *fh,
96b03d2a HV	260	struct v4l2_dbg_chip_info *chip);
cd634f1b	261	#endif
79b0c640	262
74d83fa0 MCC	263	int (vidioc_enum_framesizes) (struct file file, void *fh,
	264	struct v4l2_frmsizeenum *fsize);
	265
	266	int (vidioc_enum_frameintervals) (struct file file, void *fh,
	267	struct v4l2_frmivalenum *fival);
	268
b6456c0c	269	/* DV Timings IOCTLs */
b6456c0c MK	270	int (vidioc_s_dv_timings) (struct file file, void *fh,
	271	struct v4l2_dv_timings *timings);
	272	int (vidioc_g_dv_timings) (struct file file, void *fh,
	273	struct v4l2_dv_timings *timings);
5d7758ee HV	274	int (vidioc_query_dv_timings) (struct file file, void *fh,
	275	struct v4l2_dv_timings *timings);
	276	int (vidioc_enum_dv_timings) (struct file file, void *fh,
	277	struct v4l2_enum_dv_timings *timings);
	278	int (vidioc_dv_timings_cap) (struct file file, void *fh,
	279	struct v4l2_dv_timings_cap *cap);
dd519bb3 HV	280	int (vidioc_g_edid) (struct file file, void fh, struct v4l2_edid edid);
dd519bb3 HV	281	int (vidioc_s_edid) (struct file file, void fh, struct v4l2_edid edid);
b6456c0c	282
d3d7c963	283	int (vidioc_subscribe_event) (struct v4l2_fh fh,
85f5fe39	284	const struct v4l2_event_subscription *sub);
d3d7c963	285	int (vidioc_unsubscribe_event)(struct v4l2_fh fh,
85f5fe39	286	const struct v4l2_event_subscription *sub);
d3d7c963	287
a399810c	288	/* For other private ioctls */
069b7479	289	long (vidioc_default) (struct file file, void *fh,
6d43be77	290	bool valid_prio, unsigned int cmd, void *arg);
a399810c HV	291	};
	292
	293
2864462e MCC	294	/* v4l debugging and diagnostics */
2864462e MCC	295
17028cdb HV	296	/* Device debug flags to be used with the video device debug attribute */
	297
	298	/* Just log the ioctl name + error code */
	299	#define V4L2_DEV_DEBUG_IOCTL 0x01
	300	/* Log the ioctl name arguments + error code */
	301	#define V4L2_DEV_DEBUG_IOCTL_ARG 0x02
	302	/* Log the file operations open, release, mmap and get_unmapped_area */
	303	#define V4L2_DEV_DEBUG_FOP 0x04
	304	/* Log the read and write file operations and the VIDIOC_(D)QBUF ioctls */
	305	#define V4L2_DEV_DEBUG_STREAMING 0x08
	306	/* Log poll() */
	307	#define V4L2_DEV_DEBUG_POLL 0x10
2864462e	308
35ea11ff HV	309	/* Video standard functions */
35ea11ff HV	310	extern const char *v4l2_norm_to_name(v4l2_std_id id);
51f0b8d5	311	extern void v4l2_video_std_frame_period(int id, struct v4l2_fract *frameperiod);
35ea11ff HV	312	extern int v4l2_video_std_construct(struct v4l2_standard *vs,
35ea11ff HV	313	int id, const char *name);
4a085168 HV	314	/* Prints the ioctl in a human-readable format. If prefix != NULL,
	315	then do printk(KERN_DEBUG "%s: ", prefix) first. */
	316	extern void v4l_printk_ioctl(const char *prefix, unsigned int cmd);
35ea11ff	317
5a5adf6b HV	318	/* Internal use only: get the mutex (if any) that we need to lock for the
	319	given command. */
	320	struct video_device;
	321	extern struct mutex v4l2_ioctl_get_lock(struct video_device vdev, unsigned cmd);
	322
35ea11ff HV	323	/* names for fancy debug output */
	324	extern const char *v4l2_field_names[];
	325	extern const char *v4l2_type_names[];
	326
bec43661	327	#ifdef CONFIG_COMPAT
35ea11ff	328	/* 32 Bits compatibility layer for 64 bits processors */
9bb7cde7	329	extern long v4l2_compat_ioctl32(struct file *file, unsigned int cmd,
35ea11ff	330	unsigned long arg);
bec43661	331	#endif
35ea11ff	332
08af245d HV	333	typedef long (v4l2_kioctl)(struct file file,
	334	unsigned int cmd, void *arg);
	335
35ea11ff	336	/* Include support for obsoleted stuff */
069b7479	337	extern long video_usercopy(struct file *file, unsigned int cmd,
f473bf76	338	unsigned long arg, v4l2_kioctl func);
35ea11ff	339
8a522c91	340	/* Standard handlers for V4L ioctl's */
069b7479	341	extern long video_ioctl2(struct file *file,
8a522c91 MCC	342	unsigned int cmd, unsigned long arg);
8a522c91 MCC	343
35ea11ff	344	#endif /* _V4L2_IOCTL_H */