saa7146_video.c File Reference

#include <media/saa7146_vv.h>
#include <media/v4l2-chip-ident.h>
#include <media/v4l2-event.h>
#include <media/v4l2-ctrls.h>
#include <linux/module.h>

Go to the source code of this file.

Macros
#define	pr_fmt(fmt)   KBUILD_MODNAME ": " fmt
#define	IS_CAPTURE_ACTIVE(fh)   (((vv->video_status & STATUS_CAPTURE) != 0) && (vv->video_fh == fh))
#define	IS_OVERLAY_ACTIVE(fh)   (((vv->video_status & STATUS_OVERLAY) != 0) && (vv->video_fh == fh))

Functions
	module_param (max_memory, int, 0644)
	MODULE_PARM_DESC (max_memory,"maximum memory usage for capture buffers (default: 32Mb)")
struct saa7146_format *	saa7146_format_by_fourcc (struct saa7146_dev *dev, int fourcc)
int	saa7146_start_preview (struct saa7146_fh *fh)
	EXPORT_SYMBOL_GPL (saa7146_start_preview)
int	saa7146_stop_preview (struct saa7146_fh *fh)
	EXPORT_SYMBOL_GPL (saa7146_stop_preview)
int	saa7146_s_ctrl (struct v4l2_ctrl *ctrl)

Variables
struct v4l2_ioctl_ops	saa7146_video_ioctl_ops
struct v4l2_ioctl_ops	saa7146_vbi_ioctl_ops
struct saa7146_use_ops	saa7146_video_uops

Macro Definition Documentation

#define IS_CAPTURE_ACTIVE

(

fh

)

(((vv->video_status & STATUS_CAPTURE) != 0) && (vv->video_fh == fh))

Definition at line 14 of file saa7146_video.c.

#define IS_OVERLAY_ACTIVE

(

fh

)

(((vv->video_status & STATUS_OVERLAY) != 0) && (vv->video_fh == fh))

Definition at line 17 of file saa7146_video.c.

#define pr_fmt

(

fmt

)

KBUILD_MODNAME ": " fmt

Definition at line 1 of file saa7146_video.c.

Function Documentation

EXPORT_SYMBOL_GPL

(

saa7146_start_preview

)

EXPORT_SYMBOL_GPL

(

saa7146_stop_preview

)

module_param	(	max_memory	,
		int	,
		0644
	)

MODULE_PARM_DESC	(	max_memory	,
		"maximum memory usage for capture buffers (default: 32Mb)"
	)

struct saa7146_format* saa7146_format_by_fourcc ( struct saa7146_dev *  dev, int  fourcc  )

read

Definition at line 92 of file saa7146_video.c.

int saa7146_s_ctrl

(

struct v4l2_ctrl *

ctrl

)

Definition at line 532 of file saa7146_video.c.

int saa7146_start_preview

(

struct saa7146_fh *

fh

)

Definition at line 108 of file saa7146_video.c.

int saa7146_stop_preview

(

struct saa7146_fh *

fh

)

Definition at line 170 of file saa7146_video.c.

Variable Documentation

struct v4l2_ioctl_ops saa7146_vbi_ioctl_ops

Initial value:

= {
    .vidioc_querycap             = vidioc_querycap,
    .vidioc_g_fmt_vbi_cap        = vidioc_g_fmt_vbi_cap,
    .vidioc_g_chip_ident         = vidioc_g_chip_ident,

    .vidioc_reqbufs              = vidioc_reqbufs,
    .vidioc_querybuf             = vidioc_querybuf,
    .vidioc_qbuf                 = vidioc_qbuf,
    .vidioc_dqbuf                = vidioc_dqbuf,
    .vidioc_g_std                = vidioc_g_std,
    .vidioc_s_std                = vidioc_s_std,
    .vidioc_streamon             = vidioc_streamon,
    .vidioc_streamoff            = vidioc_streamoff,
    .vidioc_g_parm           = vidioc_g_parm,
    .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
    .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
}

Definition at line 1039 of file saa7146_video.c.

struct v4l2_ioctl_ops saa7146_video_ioctl_ops

Initial value:

= {
    .vidioc_querycap             = vidioc_querycap,
    .vidioc_enum_fmt_vid_cap     = vidioc_enum_fmt_vid_cap,
    .vidioc_enum_fmt_vid_overlay = vidioc_enum_fmt_vid_cap,
    .vidioc_g_fmt_vid_cap        = vidioc_g_fmt_vid_cap,
    .vidioc_try_fmt_vid_cap      = vidioc_try_fmt_vid_cap,
    .vidioc_s_fmt_vid_cap        = vidioc_s_fmt_vid_cap,
    .vidioc_g_fmt_vid_overlay    = vidioc_g_fmt_vid_overlay,
    .vidioc_try_fmt_vid_overlay  = vidioc_try_fmt_vid_overlay,
    .vidioc_s_fmt_vid_overlay    = vidioc_s_fmt_vid_overlay,
    .vidioc_g_chip_ident         = vidioc_g_chip_ident,

    .vidioc_overlay          = vidioc_overlay,
    .vidioc_g_fbuf           = vidioc_g_fbuf,
    .vidioc_s_fbuf           = vidioc_s_fbuf,
    .vidioc_reqbufs              = vidioc_reqbufs,
    .vidioc_querybuf             = vidioc_querybuf,
    .vidioc_qbuf                 = vidioc_qbuf,
    .vidioc_dqbuf                = vidioc_dqbuf,
    .vidioc_g_std                = vidioc_g_std,
    .vidioc_s_std                = vidioc_s_std,
    .vidioc_streamon             = vidioc_streamon,
    .vidioc_streamoff            = vidioc_streamoff,
    .vidioc_g_parm           = vidioc_g_parm,
    .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
    .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
}

Definition at line 1011 of file saa7146_video.c.

struct saa7146_use_ops saa7146_video_uops

Initial value:

= {
    .init = video_init,
    .open = video_open,
    .release = video_close,
    .irq_done = video_irq_done,
    .read = video_read,
}

Definition at line 1326 of file saa7146_video.c.