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#ifndef __NOUVEAU_GPIO_H__
#define __NOUVEAU_GPIO_H__
#include <core/subdev.h>
#include <core/device.h>
#include <subdev/bios.h>
#include <subdev/bios/gpio.h>
struct nouveau_gpio {
struct nouveau_subdev base;
/* hardware interfaces */
void (*reset)(struct nouveau_gpio *);
int (*drive)(struct nouveau_gpio *, int line, int dir, int out);
int (*sense)(struct nouveau_gpio *, int line);
void (*irq_enable)(struct nouveau_gpio *, int line, bool);
/* 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);
int (*irq)(struct nouveau_gpio *, int idx, u8 tag, u8 line, bool on);
/* interrupt handling */
struct list_head isr;
spinlock_t lock;
void (*isr_run)(struct nouveau_gpio *, int idx, u32 mask);
int (*isr_add)(struct nouveau_gpio *, int idx, u8 tag, u8 line,
void (*)(void *, int state), void *data);
void (*isr_del)(struct nouveau_gpio *, int idx, u8 tag, u8 line,
void (*)(void *, int state), void *data);
};
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,d) \
nouveau_gpio_create_((p), (e), (o), sizeof(**d), (void **)d)
#define nouveau_gpio_destroy(p) \
nouveau_subdev_destroy(&(p)->base)
#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, void **);
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;
void nv50_gpio_dtor(struct nouveau_object *);
int nv50_gpio_init(struct nouveau_object *);
int nv50_gpio_fini(struct nouveau_object *, bool);
void nv50_gpio_intr(struct nouveau_subdev *);
void nv50_gpio_irq_enable(struct nouveau_gpio *, int line, bool);
#endif
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