diff options
author | Kumar Gala <galak@kernel.crashing.org> | 2007-02-12 23:57:21 -0600 |
---|---|---|
committer | Kumar Gala <galak@kernel.crashing.org> | 2007-02-12 23:57:21 -0600 |
commit | 54c66f6d781e03dc0b23956234963c4911e6d1c0 (patch) | |
tree | 40619a66ae6d8703a57bf681d087ffeabbffd346 /include/asm-arm/arch-omap/gpio.h | |
parent | 8ce0a7df6e6117d8814e976d4b7ce6a6b2c9cf93 (diff) | |
parent | 17e0e27020d028a790d97699aff85a43af5be472 (diff) |
Merge branch 'master' into 85xx
Diffstat (limited to 'include/asm-arm/arch-omap/gpio.h')
-rw-r--r-- | include/asm-arm/arch-omap/gpio.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/include/asm-arm/arch-omap/gpio.h b/include/asm-arm/arch-omap/gpio.h index f486b72070e..3762a6ae6a7 100644 --- a/include/asm-arm/arch-omap/gpio.h +++ b/include/asm-arm/arch-omap/gpio.h @@ -76,4 +76,70 @@ extern void omap_set_gpio_direction(int gpio, int is_input); extern void omap_set_gpio_dataout(int gpio, int enable); extern int omap_get_gpio_datain(int gpio); +/*-------------------------------------------------------------------------*/ + +/* wrappers for "new style" GPIO calls. the old OMAP-specfic ones should + * eventually be removed (along with this errno.h inclusion), and maybe + * gpios should put MPUIOs last too. + */ + +#include <asm/errno.h> + +static inline int gpio_request(unsigned gpio, const char *label) +{ + return omap_request_gpio(gpio); +} + +static inline void gpio_free(unsigned gpio) +{ + omap_free_gpio(gpio); +} + +static inline int __gpio_set_direction(unsigned gpio, int is_input) +{ + if (cpu_class_is_omap2()) { + if (gpio > OMAP_MAX_GPIO_LINES) + return -EINVAL; + } else { + if (gpio > (OMAP_MAX_GPIO_LINES + 16 /* MPUIO */)) + return -EINVAL; + } + omap_set_gpio_direction(gpio, is_input); + return 0; +} + +static inline int gpio_direction_input(unsigned gpio) +{ + return __gpio_set_direction(gpio, 1); +} + +static inline int gpio_direction_output(unsigned gpio) +{ + return __gpio_set_direction(gpio, 0); +} + +static inline int gpio_get_value(unsigned gpio) +{ + return omap_get_gpio_datain(gpio); +} + +static inline void gpio_set_value(unsigned gpio, int value) +{ + omap_set_gpio_dataout(gpio, value); +} + +#include <asm-generic/gpio.h> /* cansleep wrappers */ + +static inline int gpio_to_irq(unsigned gpio) +{ + return OMAP_GPIO_IRQ(gpio); +} + +static inline int irq_to_gpio(unsigned irq) +{ + if (cpu_class_is_omap1() && (irq < (IH_MPUIO_BASE + 16))) + return (irq - IH_MPUIO_BASE) + OMAP_MAX_GPIO_LINES; + return irq - IH_GPIO_BASE; +} + #endif |