text: #ifndef __NVKM_VOLT_H__
  #define __NVKM_VOLT_H__
  #include <core/subdev.h>
  
  struct nvkm_volt {
  	const struct nvkm_volt_func *func;
  	struct nvkm_subdev subdev;
  
  	u8 vid_mask;
  	u8 vid_nr;
  	struct {
  		u32 uv;
  		u8 vid;
  	} vid[256];
  
  	u32 max_uv;
  	u32 min_uv;
  };
  
  int nvkm_volt_get(struct nvkm_volt *);
  int nvkm_volt_set_id(struct nvkm_volt *, u8 id, int condition);
  
  int nv40_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
  int gk104_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
  int gk20a_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
  int gm20b_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
  #endif
  