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