| 1 | #ifndef __NOUVEAU_GPIO_H__ |
| 2 | #define __NOUVEAU_GPIO_H__ |
| 3 | |
| 4 | #include <core/subdev.h> |
| 5 | #include <core/device.h> |
| 6 | #include <core/event.h> |
| 7 | |
| 8 | #include <subdev/bios.h> |
| 9 | #include <subdev/bios/gpio.h> |
| 10 | |
| 11 | struct nouveau_gpio { |
| 12 | struct nouveau_subdev base; |
| 13 | |
| 14 | struct nouveau_event *events; |
| 15 | |
| 16 | /* hardware interfaces */ |
| 17 | void (*reset)(struct nouveau_gpio *, u8 func); |
| 18 | int (*drive)(struct nouveau_gpio *, int line, int dir, int out); |
| 19 | int (*sense)(struct nouveau_gpio *, int line); |
| 20 | |
| 21 | /* software interfaces */ |
| 22 | int (*find)(struct nouveau_gpio *, int idx, u8 tag, u8 line, |
| 23 | struct dcb_gpio_func *); |
| 24 | int (*set)(struct nouveau_gpio *, int idx, u8 tag, u8 line, int state); |
| 25 | int (*get)(struct nouveau_gpio *, int idx, u8 tag, u8 line); |
| 26 | }; |
| 27 | |
| 28 | static inline struct nouveau_gpio * |
| 29 | nouveau_gpio(void *obj) |
| 30 | { |
| 31 | return (void *)nv_device(obj)->subdev[NVDEV_SUBDEV_GPIO]; |
| 32 | } |
| 33 | |
| 34 | #define nouveau_gpio_create(p,e,o,l,d) \ |
| 35 | nouveau_gpio_create_((p), (e), (o), (l), sizeof(**d), (void **)d) |
| 36 | #define nouveau_gpio_destroy(p) ({ \ |
| 37 | struct nouveau_gpio *gpio = (p); \ |
| 38 | _nouveau_gpio_dtor(nv_object(gpio)); \ |
| 39 | }) |
| 40 | #define nouveau_gpio_fini(p,s) \ |
| 41 | nouveau_subdev_fini(&(p)->base, (s)) |
| 42 | |
| 43 | int nouveau_gpio_create_(struct nouveau_object *, struct nouveau_object *, |
| 44 | struct nouveau_oclass *, int, int, void **); |
| 45 | void _nouveau_gpio_dtor(struct nouveau_object *); |
| 46 | int nouveau_gpio_init(struct nouveau_gpio *); |
| 47 | |
| 48 | extern struct nouveau_oclass nv10_gpio_oclass; |
| 49 | extern struct nouveau_oclass nv50_gpio_oclass; |
| 50 | extern struct nouveau_oclass nvd0_gpio_oclass; |
| 51 | extern struct nouveau_oclass nve0_gpio_oclass; |
| 52 | |
| 53 | #endif |
| 54 | |