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      1 /*	$NetBSD: volt.h,v 1.3 2021/12/18 23:45:33 riastradh Exp $	*/
      2 
      3 /* SPDX-License-Identifier: MIT */
      4 #ifndef __NVKM_VOLT_H__
      5 #define __NVKM_VOLT_H__
      6 #include <core/subdev.h>
      7 
      8 struct nvkm_volt {
      9 	const struct nvkm_volt_func *func;
     10 	struct nvkm_subdev subdev;
     11 
     12 	u8 vid_mask;
     13 	u8 vid_nr;
     14 	struct {
     15 		u32 uv;
     16 		u8 vid;
     17 	} vid[256];
     18 
     19 	u32 max_uv;
     20 	u32 min_uv;
     21 
     22 	/*
     23 	 * These are fully functional map entries creating a sw ceiling for
     24 	 * the voltage. These all can describe different kind of curves, so
     25 	 * that for any given temperature a different one can return the lowest
     26 	 * value of all three.
     27 	 */
     28 	u8 max0_id;
     29 	u8 max1_id;
     30 	u8 max2_id;
     31 
     32 	int speedo;
     33 };
     34 
     35 int nvkm_volt_map(struct nvkm_volt *volt, u8 id, u8 temperature);
     36 int nvkm_volt_map_min(struct nvkm_volt *volt, u8 id);
     37 int nvkm_volt_get(struct nvkm_volt *);
     38 int nvkm_volt_set_id(struct nvkm_volt *, u8 id, u8 min_id, u8 temp,
     39 		     int condition);
     40 
     41 int nv40_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
     42 int gf100_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
     43 int gf117_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
     44 int gk104_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
     45 int gk20a_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
     46 int gm20b_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
     47 #endif
     48