1 #ifndef __NVKM_GPIO_H__
2 #define __NVKM_GPIO_H__
4 #include <subdev/gpio.h>
6 #define nouveau_gpio_create(p,e,o,d) \
7 nouveau_gpio_create_((p), (e), (o), sizeof(**d), (void **)d)
8 #define nouveau_gpio_destroy(p) ({ \
9 struct nouveau_gpio *gpio = (p); \
10 _nouveau_gpio_dtor(nv_object(gpio)); \
12 #define nouveau_gpio_init(p) ({ \
13 struct nouveau_gpio *gpio = (p); \
14 _nouveau_gpio_init(nv_object(gpio)); \
16 #define nouveau_gpio_fini(p,s) ({ \
17 struct nouveau_gpio *gpio = (p); \
18 _nouveau_gpio_fini(nv_object(gpio), (s)); \
21 int nouveau_gpio_create_(struct nouveau_object *, struct nouveau_object *,
22 struct nouveau_oclass *, int, void **);
23 int _nouveau_gpio_ctor(struct nouveau_object *, struct nouveau_object *,
24 struct nouveau_oclass *, void *, u32,
25 struct nouveau_object **);
26 void _nouveau_gpio_dtor(struct nouveau_object *);
27 int _nouveau_gpio_init(struct nouveau_object *);
28 int _nouveau_gpio_fini(struct nouveau_object *, bool);
30 struct nouveau_gpio_impl {
31 struct nouveau_oclass base;
34 /* read and ack pending interrupts, returning only data
35 * for lines that have not been masked off, while still
36 * performing the ack for anything that was pending.
38 void (*intr_stat)(struct nouveau_gpio *, u32 *, u32 *);
40 /* mask on/off interrupts for hi/lo transitions on a
41 * given set of gpio lines
43 void (*intr_mask)(struct nouveau_gpio *, u32, u32, u32);
45 /* configure gpio direction and output value */
46 int (*drive)(struct nouveau_gpio *, int line, int dir, int out);
48 /* sense current state of given gpio line */
49 int (*sense)(struct nouveau_gpio *, int line);
52 void (*reset)(struct nouveau_gpio *, u8);
55 void nv50_gpio_reset(struct nouveau_gpio *, u8);
56 int nv50_gpio_drive(struct nouveau_gpio *, int, int, int);
57 int nv50_gpio_sense(struct nouveau_gpio *, int);
59 void nv94_gpio_intr_stat(struct nouveau_gpio *, u32 *, u32 *);
60 void nv94_gpio_intr_mask(struct nouveau_gpio *, u32, u32, u32);
62 void nvd0_gpio_reset(struct nouveau_gpio *, u8);
63 int nvd0_gpio_drive(struct nouveau_gpio *, int, int, int);
64 int nvd0_gpio_sense(struct nouveau_gpio *, int);