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

   1/* SPDX-License-Identifier: MIT */
   2#ifndef __NVKM_VOLT_H__
   3#define __NVKM_VOLT_H__
   4#include <core/subdev.h>
   5
   6struct nvkm_volt {
   7        const struct nvkm_volt_func *func;
   8        struct nvkm_subdev subdev;
   9
  10        u8 vid_mask;
  11        u8 vid_nr;
  12        struct {
  13                u32 uv;
  14                u8 vid;
  15        } vid[256];
  16
  17        u32 max_uv;
  18        u32 min_uv;
  19
  20        /*
  21         * These are fully functional map entries creating a sw ceiling for
  22         * the voltage. These all can describe different kind of curves, so
  23         * that for any given temperature a different one can return the lowest
  24         * value of all three.
  25         */
  26        u8 max0_id;
  27        u8 max1_id;
  28        u8 max2_id;
  29
  30        int speedo;
  31};
  32
  33int nvkm_volt_map(struct nvkm_volt *volt, u8 id, u8 temperature);
  34int nvkm_volt_map_min(struct nvkm_volt *volt, u8 id);
  35int nvkm_volt_get(struct nvkm_volt *);
  36int nvkm_volt_set_id(struct nvkm_volt *, u8 id, u8 min_id, u8 temp,
  37                     int condition);
  38
  39int nv40_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
  40int gf100_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
  41int gf117_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
  42int gk104_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
  43int gk20a_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
  44int gm20b_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
  45#endif
  46