diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/subdev/volt.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/subdev/volt.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/volt.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/volt.h new file mode 100644 index 000000000..0be86d5f0 --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/volt.h @@ -0,0 +1,45 @@ +/* SPDX-License-Identifier: MIT */ +#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; + + /* + * These are fully functional map entries creating a sw ceiling for + * the voltage. These all can describe different kind of curves, so + * that for any given temperature a different one can return the lowest + * value of all three. + */ + u8 max0_id; + u8 max1_id; + u8 max2_id; + + int speedo; +}; + +int nvkm_volt_map(struct nvkm_volt *volt, u8 id, u8 temperature); +int nvkm_volt_map_min(struct nvkm_volt *volt, u8 id); +int nvkm_volt_get(struct nvkm_volt *); +int nvkm_volt_set_id(struct nvkm_volt *, u8 id, u8 min_id, u8 temp, + int condition); + +int nv40_volt_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_volt **); +int gf100_volt_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_volt **); +int gf117_volt_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_volt **); +int gk104_volt_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_volt **); +int gk20a_volt_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_volt **); +int gm20b_volt_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_volt **); +#endif |