diff options
Diffstat (limited to 'arch/arm/mach-s3c2410/include/mach/gpio-fns.h')
| -rw-r--r-- | arch/arm/mach-s3c2410/include/mach/gpio-fns.h | 47 |
1 files changed, 24 insertions, 23 deletions
diff --git a/arch/arm/mach-s3c2410/include/mach/gpio-fns.h b/arch/arm/mach-s3c2410/include/mach/gpio-fns.h index 035a493952db..f453c4f2cb8e 100644 --- a/arch/arm/mach-s3c2410/include/mach/gpio-fns.h +++ b/arch/arm/mach-s3c2410/include/mach/gpio-fns.h @@ -10,14 +10,28 @@ * published by the Free Software Foundation. */ +#ifndef __MACH_GPIO_FNS_H +#define __MACH_GPIO_FNS_H __FILE__ + /* These functions are in the to-be-removed category and it is strongly * encouraged not to use these in new code. They will be marked deprecated * very soon. * * Most of the functionality can be either replaced by the gpiocfg calls * for the s3c platform or by the generic GPIOlib API. + * + * As of 2.6.35-rc, these will be removed, with the few drivers using them + * either replaced or given a wrapper until the calls can be removed. */ +#include <plat/gpio-cfg.h> + +static inline void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int cfg) +{ + /* 1:1 mapping between cfgpin and setcfg calls at the moment */ + s3c_gpio_cfgpin(pin, cfg); +} + /* external functions for GPIO support * * These allow various different clients to access the same GPIO @@ -25,17 +39,6 @@ * GPIO register, then it is safe to ioremap/__raw_{read|write} to it. */ -/* s3c2410_gpio_cfgpin - * - * set the configuration of the given pin to the value passed. - * - * eg: - * s3c2410_gpio_cfgpin(S3C2410_GPA(0), S3C2410_GPA0_ADDR0); - * s3c2410_gpio_cfgpin(S3C2410_GPE(8), S3C2410_GPE8_SDDAT1); -*/ - -extern void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int function); - extern unsigned int s3c2410_gpio_getcfg(unsigned int pin); /* s3c2410_gpio_getirq @@ -73,6 +76,14 @@ extern int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on, /* s3c2410_gpio_pullup * + * This call should be replaced with s3c_gpio_setpull(). + * + * As a note, there is currently no distinction between pull-up and pull-down + * in the s3c24xx series devices with only an on/off configuration. + */ + +/* s3c2410_gpio_pullup + * * configure the pull-up control on the given pin * * to = 1 => disable the pull-up @@ -86,18 +97,8 @@ extern int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on, extern void s3c2410_gpio_pullup(unsigned int pin, unsigned int to); -/* s3c2410_gpio_getpull - * - * Read the state of the pull-up on a given pin - * - * return: - * < 0 => error code - * 0 => enabled - * 1 => disabled -*/ - -extern int s3c2410_gpio_getpull(unsigned int pin); - extern void s3c2410_gpio_setpin(unsigned int pin, unsigned int to); extern unsigned int s3c2410_gpio_getpin(unsigned int pin); + +#endif /* __MACH_GPIO_FNS_H */ |
