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

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __NVKM_VOLT_H__
   3 #define __NVKM_VOLT_H__
   4 #include <core/subdev.h>
   5
   6 struct 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
  33 int nvkm_volt_map(struct nvkm_volt *volt, u8 id, u8 temperature);
  34 int nvkm_volt_map_min(struct nvkm_volt *volt, u8 id);
  35 int nvkm_volt_get(struct nvkm_volt *);
  36 int nvkm_volt_set_id(struct nvkm_volt *, u8 id, u8 min_id, u8 temp,
  37                      int condition);
  38
  39 int nv40_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
  40 int gf100_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
  41 int gk104_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
  42 int gk20a_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
  43 int gm20b_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
  44 #endif