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      1 /*	$NetBSD: gpio.h,v 1.3 2021/12/18 23:45:33 riastradh Exp $	*/
      2 
      3 /* SPDX-License-Identifier: MIT */
      4 #ifndef __NVKM_GPIO_H__
      5 #define __NVKM_GPIO_H__
      6 #include <core/subdev.h>
      7 #include <core/event.h>
      8 
      9 #include <subdev/bios.h>
     10 #include <subdev/bios/gpio.h>
     11 
     12 struct nvkm_gpio_ntfy_req {
     13 #define NVKM_GPIO_HI                                                       0x01
     14 #define NVKM_GPIO_LO                                                       0x02
     15 #define NVKM_GPIO_TOGGLED                                                  0x03
     16 	u8 mask;
     17 	u8 line;
     18 };
     19 
     20 struct nvkm_gpio_ntfy_rep {
     21 	u8 mask;
     22 };
     23 
     24 struct nvkm_gpio {
     25 	const struct nvkm_gpio_func *func;
     26 	struct nvkm_subdev subdev;
     27 
     28 	struct nvkm_event event;
     29 };
     30 
     31 void nvkm_gpio_reset(struct nvkm_gpio *, u8 func);
     32 int nvkm_gpio_find(struct nvkm_gpio *, int idx, u8 tag, u8 line,
     33 		   struct dcb_gpio_func *);
     34 int nvkm_gpio_set(struct nvkm_gpio *, int idx, u8 tag, u8 line, int state);
     35 int nvkm_gpio_get(struct nvkm_gpio *, int idx, u8 tag, u8 line);
     36 
     37 int nv10_gpio_new(struct nvkm_device *, int, struct nvkm_gpio **);
     38 int nv50_gpio_new(struct nvkm_device *, int, struct nvkm_gpio **);
     39 int g94_gpio_new(struct nvkm_device *, int, struct nvkm_gpio **);
     40 int gf119_gpio_new(struct nvkm_device *, int, struct nvkm_gpio **);
     41 int gk104_gpio_new(struct nvkm_device *, int, struct nvkm_gpio **);
     42 #endif
     43