1 /* SPDX-License-Identifier: MIT */
2 #ifndef __NVKM_GPIO_H__
3 #define __NVKM_GPIO_H__
4 #include <core/subdev.h>
5 #include <core/event.h>
6 
7 #include <subdev/bios.h>
8 #include <subdev/bios/gpio.h>
9 
10 struct nvkm_gpio_ntfy_req {
11 	u8 mask;
12 	u8 line;
13 };
14 
15 struct nvkm_gpio_ntfy_rep {
16 	u8 mask;
17 };
18 
19 struct nvkm_gpio {
20 	const struct nvkm_gpio_func *func;
21 	struct nvkm_subdev subdev;
22 
23 #define NVKM_GPIO_HI       BIT(0)
24 #define NVKM_GPIO_LO       BIT(1)
25 #define NVKM_GPIO_TOGGLED (NVKM_GPIO_HI | NVKM_GPIO_LO)
26 	struct nvkm_event event;
27 };
28 
29 void nvkm_gpio_reset(struct nvkm_gpio *, u8 func);
30 int nvkm_gpio_find(struct nvkm_gpio *, int idx, u8 tag, u8 line,
31 		   struct dcb_gpio_func *);
32 int nvkm_gpio_set(struct nvkm_gpio *, int idx, u8 tag, u8 line, int state);
33 int nvkm_gpio_get(struct nvkm_gpio *, int idx, u8 tag, u8 line);
34 
35 int nv10_gpio_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_gpio **);
36 int nv50_gpio_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_gpio **);
37 int g94_gpio_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_gpio **);
38 int gf119_gpio_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_gpio **);
39 int gk104_gpio_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_gpio **);
40 int ga102_gpio_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_gpio **);
41 #endif
42