diff options
Diffstat (limited to 'arch/blackfin/include')
| -rw-r--r-- | arch/blackfin/include/asm/gpio.h | 79 |
1 files changed, 67 insertions, 12 deletions
diff --git a/arch/blackfin/include/asm/gpio.h b/arch/blackfin/include/asm/gpio.h index 2a5e846a538..f8fe33b8bca 100644 --- a/arch/blackfin/include/asm/gpio.h +++ b/arch/blackfin/include/asm/gpio.h @@ -84,13 +84,12 @@ #ifndef __ARCH_BLACKFIN_GPIO_H__ #define __ARCH_BLACKFIN_GPIO_H__ -#define gpio_bank(x) ((x) >> 4) -#define gpio_bank_n(x) ((x) & 0xF ? ((x) >> 4) + 1 : (x) >> 4) -#define gpio_bit(x) (1<<((x) & 0xF)) -#define gpio_sub_n(x) ((x) & 0xF) +#define gpio_bank(x) ((x) >> 4) +#define gpio_bit(x) (1<<((x) & 0xF)) +#define gpio_sub_n(x) ((x) & 0xF) +#define GPIO_BANK_NUM DIV_ROUND_UP(MAX_BLACKFIN_GPIOS, 16) #define GPIO_BANKSIZE 16 -#define GPIO_BANK_NUM gpio_bank_n(MAX_BLACKFIN_GPIOS) #define GPIO_0 0 #define GPIO_1 1 @@ -546,20 +545,76 @@ struct gpio_port_s { * MODIFICATION HISTORY : **************************************************************/ -int gpio_request(unsigned, const char *); -void gpio_free(unsigned); -void gpio_set_value(unsigned gpio, int arg); -int gpio_get_value(unsigned gpio); +int bfin_gpio_request(unsigned gpio, const char *label); +void bfin_gpio_free(unsigned gpio); +int bfin_gpio_direction_input(unsigned gpio); +int bfin_gpio_direction_output(unsigned gpio, int value); +int bfin_gpio_get_value(unsigned gpio); +void bfin_gpio_set_value(unsigned gpio, int value); #ifndef BF548_FAMILY -#define gpio_set_value(gpio, value) set_gpio_data(gpio, value) +#define bfin_gpio_set_value(gpio, value) set_gpio_data(gpio, value) #endif -int gpio_direction_input(unsigned gpio); -int gpio_direction_output(unsigned gpio, int value); +#ifdef CONFIG_GPIOLIB +#include <asm-generic/gpio.h> /* cansleep wrappers */ + +static inline int gpio_get_value(unsigned int gpio) +{ + if (gpio < MAX_BLACKFIN_GPIOS) + return bfin_gpio_get_value(gpio); + else + return __gpio_get_value(gpio); +} + +static inline void gpio_set_value(unsigned int gpio, int value) +{ + if (gpio < MAX_BLACKFIN_GPIOS) + bfin_gpio_set_value(gpio, value); + else + __gpio_set_value(gpio, value); +} + +static inline int gpio_cansleep(unsigned int gpio) +{ + return __gpio_cansleep(gpio); +} + +#else /* !CONFIG_GPIOLIB */ + +static inline int gpio_request(unsigned gpio, const char *label) +{ + return bfin_gpio_request(gpio, label); +} + +static inline void gpio_free(unsigned gpio) +{ + return bfin_gpio_free(gpio); +} + +static inline int gpio_direction_input(unsigned gpio) +{ + return bfin_gpio_direction_input(gpio); +} + +static inline int gpio_direction_output(unsigned gpio, int value) +{ + return bfin_gpio_direction_output(gpio, value); +} + +static inline int gpio_get_value(unsigned gpio) +{ + return bfin_gpio_get_value(gpio); +} + +static inline void gpio_set_value(unsigned gpio, int value) +{ + return bfin_gpio_set_value(gpio, value); +} #include <asm-generic/gpio.h> /* cansleep wrappers */ +#endif /* !CONFIG_GPIOLIB */ #include <asm/irq.h> static inline int gpio_to_irq(unsigned gpio) |