diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/include/subdev/gpio.h')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/include/subdev/gpio.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/gpio.h b/drivers/gpu/drm/nouveau/core/include/subdev/gpio.h new file mode 100644 index 0000000..c85b9f1 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/include/subdev/gpio.h @@ -0,0 +1,53 @@ +#ifndef __NOUVEAU_GPIO_H__ +#define __NOUVEAU_GPIO_H__ + +#include <core/subdev.h> +#include <core/device.h> +#include <core/event.h> + +#include <subdev/bios.h> +#include <subdev/bios/gpio.h> + +struct nouveau_gpio { + struct nouveau_subdev base; + + struct nouveau_event *events; + + /* hardware interfaces */ + void (*reset)(struct nouveau_gpio *, u8 func); + int (*drive)(struct nouveau_gpio *, int line, int dir, int out); + int (*sense)(struct nouveau_gpio *, int line); + + /* software interfaces */ + int (*find)(struct nouveau_gpio *, int idx, u8 tag, u8 line, + struct dcb_gpio_func *); + int (*set)(struct nouveau_gpio *, int idx, u8 tag, u8 line, int state); + int (*get)(struct nouveau_gpio *, int idx, u8 tag, u8 line); +}; + +static inline struct nouveau_gpio * +nouveau_gpio(void *obj) +{ + return (void *)nv_device(obj)->subdev[NVDEV_SUBDEV_GPIO]; +} + +#define nouveau_gpio_create(p,e,o,l,d) \ + nouveau_gpio_create_((p), (e), (o), (l), sizeof(**d), (void **)d) +#define nouveau_gpio_destroy(p) ({ \ + struct nouveau_gpio *gpio = (p); \ + _nouveau_gpio_dtor(nv_object(gpio)); \ +}) +#define nouveau_gpio_fini(p,s) \ + nouveau_subdev_fini(&(p)->base, (s)) + +int nouveau_gpio_create_(struct nouveau_object *, struct nouveau_object *, + struct nouveau_oclass *, int, int, void **); +void _nouveau_gpio_dtor(struct nouveau_object *); +int nouveau_gpio_init(struct nouveau_gpio *); + +extern struct nouveau_oclass nv10_gpio_oclass; +extern struct nouveau_oclass nv50_gpio_oclass; +extern struct nouveau_oclass nvd0_gpio_oclass; +extern struct nouveau_oclass nve0_gpio_oclass; + +#endif |