gpio-bt8xx.c File Reference

#include <linux/module.h>
#include <linux/pci.h>
#include <linux/spinlock.h>
#include <linux/gpio.h>
#include <linux/slab.h>
#include "../media/pci/bt8xx/bt848.h"

Go to the source code of this file.

Data Structures
struct	bt8xxgpio

Macros
#define	BT8XXGPIO_NR_GPIOS   24 /* We have 24 GPIO pins */
#define	bgwrite(dat, adr)   writel((dat), bg->mmio+(adr))
#define	bgread(adr)   readl(bg->mmio+(adr))
#define	bt8xxgpio_suspend   NULL
#define	bt8xxgpio_resume   NULL

Functions
	module_param_named (gpiobase, modparam_gpiobase, int, 0444)
	MODULE_PARM_DESC (gpiobase,"The GPIO number base. -1 means dynamic, which is the default.")
	MODULE_DEVICE_TABLE (pci, bt8xxgpio_pci_tbl)
	module_pci_driver (bt8xxgpio_pci_driver)
	MODULE_LICENSE ("GPL")
	MODULE_AUTHOR ("Michael Buesch")
	MODULE_DESCRIPTION ("Abuse a BT8xx framegrabber card as generic GPIO card")

Macro Definition Documentation

#define bgread

(

adr

)

readl(bg->mmio+(adr))

Definition at line 73 of file gpio-bt8xx.c.

#define bgwrite	(		dat,
			adr
	)		writel((dat), bg->mmio+(adr))

Definition at line 72 of file gpio-bt8xx.c.

#define BT8XXGPIO_NR_GPIOS   24 /* We have 24 GPIO pins */

Definition at line 56 of file gpio-bt8xx.c.

#define bt8xxgpio_resume   NULL

Definition at line 310 of file gpio-bt8xx.c.

#define bt8xxgpio_suspend   NULL

Definition at line 309 of file gpio-bt8xx.c.

Function Documentation

MODULE_AUTHOR

(

"Michael Buesch"

)

MODULE_DESCRIPTION

(

"Abuse a BT8xx framegrabber card as generic GPIO card"

)

MODULE_DEVICE_TABLE	(	pci	,
		bt8xxgpio_pci_tbl
	)

MODULE_LICENSE

(

"GPL"

)

module_param_named	(	gpiobase	,
		modparam_gpiobase	,
		int	,
		0444
	)

MODULE_PARM_DESC	(	gpiobase	,
		"The GPIO number base. -1 means	dynamic,
		which is the default."
	)

module_pci_driver

(

bt8xxgpio_pci_driver

)