uvc_driver.c File Reference

#include <linux/atomic.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/usb.h>
#include <linux/videodev2.h>
#include <linux/vmalloc.h>
#include <linux/wait.h>
#include <linux/version.h>
#include <asm/unaligned.h>
#include <media/v4l2-common.h>
#include "uvcvideo.h"

Go to the source code of this file.

Macros
#define	DRIVER_AUTHOR
#define	DRIVER_DESC   "USB Video Class driver"

Functions
struct usb_host_endpoint *	uvc_find_endpoint (struct usb_host_interface *alts, __u8 epaddr)
void	uvc_simplify_fraction (uint32_t *numerator, uint32_t *denominator, unsigned int n_terms, unsigned int threshold)
uint32_t	uvc_fraction_to_interval (uint32_t numerator, uint32_t denominator)
struct uvc_entity *	uvc_entity_by_id (struct uvc_device *dev, int id)
	module_param_call (clock, uvc_clock_param_set, uvc_clock_param_get,&uvc_clock_param, S_IRUGO|S_IWUSR)
	MODULE_PARM_DESC (clock,"Video buffers timestamp clock")
	module_param_named (nodrop, uvc_no_drop_param, uint, S_IRUGO|S_IWUSR)
	MODULE_PARM_DESC (nodrop,"Don't drop incomplete frames")
	module_param_named (quirks, uvc_quirks_param, uint, S_IRUGO|S_IWUSR)
	MODULE_PARM_DESC (quirks,"Forced device quirks")
	module_param_named (trace, uvc_trace_param, uint, S_IRUGO|S_IWUSR)
	MODULE_PARM_DESC (trace,"Trace level bitmask")
	module_param_named (timeout, uvc_timeout_param, uint, S_IRUGO|S_IWUSR)
	MODULE_PARM_DESC (timeout,"Streaming control requests timeout")
	MODULE_DEVICE_TABLE (usb, uvc_ids)
	module_init (uvc_init)
	module_exit (uvc_cleanup)
	MODULE_AUTHOR (DRIVER_AUTHOR)
	MODULE_DESCRIPTION (DRIVER_DESC)
	MODULE_LICENSE ("GPL")
	MODULE_VERSION (DRIVER_VERSION)

Variables
unsigned int	uvc_clock_param = CLOCK_MONOTONIC
unsigned int	uvc_no_drop_param
unsigned int	uvc_trace_param
unsigned int	uvc_timeout_param = UVC_CTRL_STREAMING_TIMEOUT
struct uvc_driver	uvc_driver

Macro Definition Documentation

#define DRIVER_AUTHOR

Value:

"Laurent Pinchart " \
                "<[email protected]>"

Definition at line 30 of file uvc_driver.c.

#define DRIVER_DESC   "USB Video Class driver"

Definition at line 32 of file uvc_driver.c.

Function Documentation

MODULE_AUTHOR

(

DRIVER_AUTHOR

)

MODULE_DESCRIPTION

(

DRIVER_DESC

)

MODULE_DEVICE_TABLE	(	usb	,
		uvc_ids
	)

module_exit

(

uvc_cleanup

)

module_init

(

uvc_init

)

MODULE_LICENSE

(

"GPL"

)

module_param_call	(	clock	,
		uvc_clock_param_set	,
		uvc_clock_param_get	,
		&	uvc_clock_param,
		S_IRUGO|	S_IWUSR
	)

module_param_named	(	nodrop	,
		uvc_no_drop_param	,
		uint	,
		S_IRUGO|	S_IWUSR
	)

module_param_named	(	quirks	,
		uvc_quirks_param	,
		uint	,
		S_IRUGO|	S_IWUSR
	)

module_param_named	(	trace	,
		uvc_trace_param	,
		uint	,
		S_IRUGO|	S_IWUSR
	)

module_param_named	(	timeout	,
		uvc_timeout_param	,
		uint	,
		S_IRUGO|	S_IWUSR
	)

MODULE_PARM_DESC	(	clock	,
		"Video buffers timestamp clock"
	)

MODULE_PARM_DESC	(	nodrop	,
		"Don't drop incomplete frames"
	)

MODULE_PARM_DESC	(	quirks	,
		"Forced device quirks"
	)

MODULE_PARM_DESC	(	trace	,
		"Trace level bitmask"
	)

MODULE_PARM_DESC	(	timeout	,
		"Streaming control requests timeout"
	)

MODULE_VERSION

(

DRIVER_VERSION

)

struct uvc_entity* uvc_entity_by_id ( struct uvc_device *  dev, int  id  )

read

Definition at line 260 of file uvc_driver.c.

struct usb_host_endpoint* uvc_find_endpoint ( struct usb_host_interface *  alts, __u8  epaddr  )

read

Definition at line 131 of file uvc_driver.c.

uint32_t uvc_fraction_to_interval	(	uint32_t	numerator,
		uint32_t	denominator
	)

Definition at line 234 of file uvc_driver.c.

void uvc_simplify_fraction	(	uint32_t *	numerator,
		uint32_t *	denominator,
		unsigned int	n_terms,
		unsigned int	threshold
	)

Definition at line 183 of file uvc_driver.c.

Variable Documentation

unsigned int uvc_clock_param = CLOCK_MONOTONIC

Definition at line 34 of file uvc_driver.c.

struct uvc_driver uvc_driver

Initial value:

= {
    .driver = {
        .name       = "uvcvideo",
        .probe      = uvc_probe,
        .disconnect = uvc_disconnect,
        .suspend    = uvc_suspend,
        .resume     = uvc_resume,
        .reset_resume   = uvc_reset_resume,
        .id_table   = uvc_ids,
        .supports_autosuspend = 1,
    },
}

Definition at line 2420 of file uvc_driver.c.

unsigned int uvc_no_drop_param

Definition at line 35 of file uvc_driver.c.

unsigned int uvc_timeout_param = UVC_CTRL_STREAMING_TIMEOUT

Definition at line 38 of file uvc_driver.c.

unsigned int uvc_trace_param

Definition at line 37 of file uvc_driver.c.