Florian Fainelli | 4ead168 | 2007-05-22 21:44:42 +0200 | [diff] [blame] | 1 | #ifndef _AU1XXX_GPIO_H_ |
| 2 | #define _AU1XXX_GPIO_H_ |
| 3 | |
| 4 | #include <linux/types.h> |
| 5 | |
| 6 | #define AU1XXX_GPIO_BASE 200 |
| 7 | |
| 8 | struct au1x00_gpio2 { |
| 9 | u32 dir; |
| 10 | u32 reserved; |
| 11 | u32 output; |
| 12 | u32 pinstate; |
| 13 | u32 inten; |
| 14 | u32 enable; |
| 15 | }; |
| 16 | |
| 17 | extern int au1xxx_gpio_get_value(unsigned gpio); |
| 18 | extern void au1xxx_gpio_set_value(unsigned gpio, int value); |
| 19 | extern int au1xxx_gpio_direction_input(unsigned gpio); |
| 20 | extern int au1xxx_gpio_direction_output(unsigned gpio, int value); |
| 21 | |
| 22 | |
| 23 | /* Wrappers for the arch-neutral GPIO API */ |
| 24 | |
| 25 | static inline int gpio_request(unsigned gpio, const char *label) |
| 26 | { |
| 27 | /* Not yet implemented */ |
| 28 | return 0; |
| 29 | } |
| 30 | |
| 31 | static inline void gpio_free(unsigned gpio) |
| 32 | { |
| 33 | /* Not yet implemented */ |
| 34 | } |
| 35 | |
| 36 | static inline int gpio_direction_input(unsigned gpio) |
| 37 | { |
| 38 | return au1xxx_gpio_direction_input(gpio); |
| 39 | } |
| 40 | |
| 41 | static inline int gpio_direction_output(unsigned gpio, int value) |
| 42 | { |
| 43 | return au1xxx_gpio_direction_output(gpio, value); |
| 44 | } |
| 45 | |
| 46 | static inline int gpio_get_value(unsigned gpio) |
| 47 | { |
| 48 | return au1xxx_gpio_get_value(gpio); |
| 49 | } |
| 50 | |
| 51 | static inline void gpio_set_value(unsigned gpio, int value) |
| 52 | { |
| 53 | au1xxx_gpio_set_value(gpio, value); |
| 54 | } |
| 55 | |
| 56 | static inline int gpio_to_irq(unsigned gpio) |
| 57 | { |
| 58 | return gpio; |
| 59 | } |
| 60 | |
| 61 | static inline int irq_to_gpio(unsigned irq) |
| 62 | { |
| 63 | return irq; |
| 64 | } |
| 65 | |
| 66 | /* For cansleep */ |
| 67 | #include <asm-generic/gpio.h> |
| 68 | |
| 69 | #endif /* _AU1XXX_GPIO_H_ */ |