diff options
Diffstat (limited to 'arch/arm/mach-s3c2410/include/mach')
-rw-r--r-- | arch/arm/mach-s3c2410/include/mach/gpio-fns.h | 103 | ||||
-rw-r--r-- | arch/arm/mach-s3c2410/include/mach/gpio.h | 1 | ||||
-rw-r--r-- | arch/arm/mach-s3c2410/include/mach/hardware.h | 84 |
3 files changed, 104 insertions, 84 deletions
diff --git a/arch/arm/mach-s3c2410/include/mach/gpio-fns.h b/arch/arm/mach-s3c2410/include/mach/gpio-fns.h new file mode 100644 index 0000000..b4f3955 --- /dev/null +++ b/arch/arm/mach-s3c2410/include/mach/gpio-fns.h @@ -0,0 +1,103 @@ +/* arch/arm/mach-s3c2410/include/mach/gpio-fns.h + * + * Copyright (c) 2003,2009 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2410 - hardware + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +/* 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. +*/ + +/* external functions for GPIO support + * + * These allow various different clients to access the same GPIO + * registers without conflicting. If your driver only owns the entire + * 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_GPA0, S3C2410_GPA0_ADDR0); + * s3c2410_gpio_cfgpin(S3C2410_GPE8, 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 + * + * turn the given pin number into the corresponding IRQ number + * + * returns: + * < 0 = no interrupt for this pin + * >=0 = interrupt number for the pin +*/ + +extern int s3c2410_gpio_getirq(unsigned int pin); + +#ifdef CONFIG_CPU_S3C2400 + +extern int s3c2400_gpio_getirq(unsigned int pin); + +#endif /* CONFIG_CPU_S3C2400 */ + +/* s3c2410_gpio_irqfilter + * + * set the irq filtering on the given pin + * + * on = 0 => disable filtering + * 1 => enable filtering + * + * config = S3C2410_EINTFLT_PCLK or S3C2410_EINTFLT_EXTCLK orred with + * width of filter (0 through 63) + * + * +*/ + +extern int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on, + unsigned int config); + +/* s3c2410_gpio_pullup + * + * configure the pull-up control on the given pin + * + * to = 1 => disable the pull-up + * 0 => enable the pull-up + * + * eg; + * + * s3c2410_gpio_pullup(S3C2410_GPB0, 0); + * s3c2410_gpio_pullup(S3C2410_GPE8, 0); +*/ + +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); diff --git a/arch/arm/mach-s3c2410/include/mach/gpio.h b/arch/arm/mach-s3c2410/include/mach/gpio.h index 51a88cf..15f0b3e 100644 --- a/arch/arm/mach-s3c2410/include/mach/gpio.h +++ b/arch/arm/mach-s3c2410/include/mach/gpio.h @@ -24,5 +24,6 @@ #include <asm-generic/gpio.h> #include <mach/gpio-nrs.h> +#include <mach/gpio-fns.h> #define S3C_GPIO_END (S3C2410_GPIO_BANKH + 32) diff --git a/arch/arm/mach-s3c2410/include/mach/hardware.h b/arch/arm/mach-s3c2410/include/mach/hardware.h index d7745d8..aef5631 100644 --- a/arch/arm/mach-s3c2410/include/mach/hardware.h +++ b/arch/arm/mach-s3c2410/include/mach/hardware.h @@ -15,90 +15,6 @@ #ifndef __ASSEMBLY__ -/* external functions for GPIO support - * - * These allow various different clients to access the same GPIO - * registers without conflicting. If your driver only owns the entire - * 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_GPA0, S3C2410_GPA0_ADDR0); - * s3c2410_gpio_cfgpin(S3C2410_GPE8, 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 - * - * turn the given pin number into the corresponding IRQ number - * - * returns: - * < 0 = no interrupt for this pin - * >=0 = interrupt number for the pin -*/ - -extern int s3c2410_gpio_getirq(unsigned int pin); - -#ifdef CONFIG_CPU_S3C2400 - -extern int s3c2400_gpio_getirq(unsigned int pin); - -#endif /* CONFIG_CPU_S3C2400 */ - -/* s3c2410_gpio_irqfilter - * - * set the irq filtering on the given pin - * - * on = 0 => disable filtering - * 1 => enable filtering - * - * config = S3C2410_EINTFLT_PCLK or S3C2410_EINTFLT_EXTCLK orred with - * width of filter (0 through 63) - * - * -*/ - -extern int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on, - unsigned int config); - -/* s3c2410_gpio_pullup - * - * configure the pull-up control on the given pin - * - * to = 1 => disable the pull-up - * 0 => enable the pull-up - * - * eg; - * - * s3c2410_gpio_pullup(S3C2410_GPB0, 0); - * s3c2410_gpio_pullup(S3C2410_GPE8, 0); -*/ - -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); - extern unsigned int s3c2410_modify_misccr(unsigned int clr, unsigned int chg); #ifdef CONFIG_CPU_S3C2440 |