drivers/gpu/drm/nouveau/include/nvkm/subdev/gpio.h

   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 #define NVKM_GPIO_HI                                                       0x01
  12 #define NVKM_GPIO_LO                                                       0x02
  13 #define NVKM_GPIO_TOGGLED                                                  0x03
  14         u8 mask;
  15         u8 line;
  16 };
  17
  18 struct nvkm_gpio_ntfy_rep {
  19         u8 mask;
  20 };
  21
  22 struct nvkm_gpio {
  23         const struct nvkm_gpio_func *func;
  24         struct nvkm_subdev subdev;
  25
  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 *, int, struct nvkm_gpio **);
  36 int nv50_gpio_new(struct nvkm_device *, int, struct nvkm_gpio **);
  37 int g94_gpio_new(struct nvkm_device *, int, struct nvkm_gpio **);
  38 int gf119_gpio_new(struct nvkm_device *, int, struct nvkm_gpio **);
  39 int gk104_gpio_new(struct nvkm_device *, int, struct nvkm_gpio **);
  40 #endif