1 /*
2  * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20  * DEALINGS IN THE SOFTWARE.
21  */
22 
23 #ifndef __GK20A_VOLT_H__
24 #define __GK20A_VOLT_H__
25 
26 struct cvb_coef {
27 	int c0;
28 	int c1;
29 	int c2;
30 	int c3;
31 	int c4;
32 	int c5;
33 };
34 
35 struct gk20a_volt {
36 	struct nvkm_volt base;
37 	struct regulator *vdd;
38 };
39 
40 int _gk20a_volt_ctor(struct nvkm_device *device, int index,
41 		     const struct cvb_coef *coefs, int nb_coefs,
42 		     struct gk20a_volt *volt);
43 
44 int gk20a_volt_calc_voltage(const struct cvb_coef *coef, int speedo);
45 int gk20a_volt_vid_get(struct nvkm_volt *volt);
46 int gk20a_volt_vid_set(struct nvkm_volt *volt, u8 vid);
47 int gk20a_volt_set_id(struct nvkm_volt *volt, u8 id, int condition);
48 
49 #endif
50