diff options
Diffstat (limited to 'arch/arm/include/asm/arch-s5pc2xx/gpio.h')
| -rw-r--r-- | arch/arm/include/asm/arch-s5pc2xx/gpio.h | 45 |
1 files changed, 37 insertions, 8 deletions
diff --git a/arch/arm/include/asm/arch-s5pc2xx/gpio.h b/arch/arm/include/asm/arch-s5pc2xx/gpio.h index 38303e4..8be620c 100644 --- a/arch/arm/include/asm/arch-s5pc2xx/gpio.h +++ b/arch/arm/include/asm/arch-s5pc2xx/gpio.h @@ -80,14 +80,43 @@ struct s5pc210_gpio_part3 { }; /* functions */ -void gpio_cfg_pin(struct s5p_gpio_bank *bank, int gpio, int cfg); -void gpio_direction_output(struct s5p_gpio_bank *bank, int gpio, int en); -void gpio_direction_input(struct s5p_gpio_bank *bank, int gpio); -void gpio_set_value(struct s5p_gpio_bank *bank, int gpio, int en); -unsigned int gpio_get_value(struct s5p_gpio_bank *bank, int gpio); -void gpio_set_pull(struct s5p_gpio_bank *bank, int gpio, int mode); -void gpio_set_drv(struct s5p_gpio_bank *bank, int gpio, int mode); -void gpio_set_rate(struct s5p_gpio_bank *bank, int gpio, int mode); +void s5p_gpio_cfg_pin(struct s5p_gpio_bank *bank, int gpio, int cfg); +void s5p_gpio_direction_output(struct s5p_gpio_bank *bank, int gpio, int en); +void s5p_gpio_direction_input(struct s5p_gpio_bank *bank, int gpio); +void s5p_gpio_set_value(struct s5p_gpio_bank *bank, int gpio, int en); +unsigned int s5p_gpio_get_value(struct s5p_gpio_bank *bank, int gpio); +void s5p_gpio_set_pull(struct s5p_gpio_bank *bank, int gpio, int mode); +void s5p_gpio_set_drv(struct s5p_gpio_bank *bank, int gpio, int mode); +void s5p_gpio_set_rate(struct s5p_gpio_bank *bank, int gpio, int mode); + +/* GPIO pins per bank */ +#define GPIO_PER_BANK 8 + +#define s5pc210_gpio_part1_get_nr(bank, pin) \ + ((((((unsigned int) &(((struct s5pc210_gpio_part1 *) \ + S5PC210_GPIO_PART1_BASE)->bank)) \ + - S5PC210_GPIO_PART1_BASE) / sizeof(struct s5p_gpio_bank)) \ + * GPIO_PER_BANK) + pin) + +#define GPIO_PART1_MAX ((sizeof(struct s5pc210_gpio_part1) \ + / sizeof(struct s5p_gpio_bank)) * GPIO_PER_BANK) + +#define s5pc210_gpio_part2_get_nr(bank, pin) \ + (((((((unsigned int) &(((struct s5pc210_gpio_part2 *) \ + S5PC210_GPIO_PART2_BASE)->bank)) \ + - S5PC210_GPIO_PART2_BASE) / sizeof(struct s5p_gpio_bank)) \ + * GPIO_PER_BANK) + pin) + GPIO_PART1_MAX) + +static inline unsigned int s5p_gpio_base(int nr) +{ + if (nr < GPIO_PART1_MAX) + return S5PC210_GPIO_PART1_BASE; + else + return S5PC210_GPIO_PART2_BASE; + + return 0; +} + #endif /* Pin configurations */ |