LXR linux/drivers/gpu/drm/nouveau/include/nvkm/subdev/volt.h

   1#ifndef __NVKM_VOLT_H__
   2#define __NVKM_VOLT_H__
   3#include <core/subdev.h>
   4
   5struct nvkm_volt {
   6        const struct nvkm_volt_func *func;
   7        struct nvkm_subdev subdev;
   8
   9        u8 vid_mask;
  10        u8 vid_nr;
  11        struct {
  12                u32 uv;
  13                u8 vid;
  14        } vid[256];
  15
  16        u32 max_uv;
  17        u32 min_uv;
  18
  19        /*
  20         * These are fully functional map entries creating a sw ceiling for
  21         * the voltage. These all can describe different kind of curves, so
  22         * that for any given temperature a different one can return the lowest
  23         * value of all three.
  24         */
  25        u8 max0_id;
  26        u8 max1_id;
  27        u8 max2_id;
  28
  29        int speedo;
  30};
  31
  32int nvkm_volt_map(struct nvkm_volt *volt, u8 id, u8 temperature);
  33int nvkm_volt_map_min(struct nvkm_volt *volt, u8 id);
  34int nvkm_volt_get(struct nvkm_volt *);
  35int nvkm_volt_set_id(struct nvkm_volt *, u8 id, u8 min_id, u8 temp,
  36                     int condition);
  37
  38int nv40_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
  39int gf100_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
  40int gk104_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
  41int gk20a_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
  42int gm20b_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
  43#endif
  44