1 /*
2 * Copyright 2013 Red Hat Inc.
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 COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Ben Skeggs
23 */
24 #include "priv.h"
25
26 static const struct nvkm_volt_func
27 nv40_volt = {
28 .vid_get = nvkm_voltgpio_get,
29 .vid_set = nvkm_voltgpio_set,
30 };
31
32 int
nv40_volt_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_volt ** pvolt)33 nv40_volt_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
34 struct nvkm_volt **pvolt)
35 {
36 struct nvkm_volt *volt;
37 int ret;
38
39 ret = nvkm_volt_new_(&nv40_volt, device, type, inst, &volt);
40 *pvolt = volt;
41 if (ret)
42 return ret;
43
44 return nvkm_voltgpio_init(volt);
45 }
46