xref: /linux/drivers/gpu/drm/nouveau/include/nvkm/subdev/gpio.h (revision b85d45947951d23cb22d90caecf4c1eb81342c96)
1 #ifndef __NVKM_GPIO_H__
2 #define __NVKM_GPIO_H__
3 #include <core/subdev.h>
4 #include <core/event.h>
5 
6 #include <subdev/bios.h>
7 #include <subdev/bios/gpio.h>
8 
9 struct nvkm_gpio_ntfy_req {
10 #define NVKM_GPIO_HI                                                       0x01
11 #define NVKM_GPIO_LO                                                       0x02
12 #define NVKM_GPIO_TOGGLED                                                  0x03
13 	u8 mask;
14 	u8 line;
15 };
16 
17 struct nvkm_gpio_ntfy_rep {
18 	u8 mask;
19 };
20 
21 struct nvkm_gpio {
22 	const struct nvkm_gpio_func *func;
23 	struct nvkm_subdev subdev;
24 
25 	struct nvkm_event event;
26 };
27 
28 void nvkm_gpio_reset(struct nvkm_gpio *, u8 func);
29 int nvkm_gpio_find(struct nvkm_gpio *, int idx, u8 tag, u8 line,
30 		   struct dcb_gpio_func *);
31 int nvkm_gpio_set(struct nvkm_gpio *, int idx, u8 tag, u8 line, int state);
32 int nvkm_gpio_get(struct nvkm_gpio *, int idx, u8 tag, u8 line);
33 
34 int nv10_gpio_new(struct nvkm_device *, int, struct nvkm_gpio **);
35 int nv50_gpio_new(struct nvkm_device *, int, struct nvkm_gpio **);
36 int g94_gpio_new(struct nvkm_device *, int, struct nvkm_gpio **);
37 int gf119_gpio_new(struct nvkm_device *, int, struct nvkm_gpio **);
38 int gk104_gpio_new(struct nvkm_device *, int, struct nvkm_gpio **);
39 #endif
40