2 * Copyright 2016 Karol Herbst
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
22 * Authors: Karol Herbst
26 #include <subdev/fuse.h>
29 gf100_volt_speedo_read(struct nvkm_volt
*volt
)
31 struct nvkm_device
*device
= volt
->subdev
.device
;
32 struct nvkm_fuse
*fuse
= device
->fuse
;
37 return nvkm_fuse_read(fuse
, 0x1cc);
41 gf100_volt_oneinit(struct nvkm_volt
*volt
)
43 struct nvkm_subdev
*subdev
= &volt
->subdev
;
44 if (volt
->speedo
<= 0)
45 nvkm_error(subdev
, "couldn't find speedo value, volting not "
50 static const struct nvkm_volt_func
52 .oneinit
= gf100_volt_oneinit
,
53 .vid_get
= nvkm_voltgpio_get
,
54 .vid_set
= nvkm_voltgpio_set
,
55 .speedo_read
= gf100_volt_speedo_read
,
59 gf100_volt_new(struct nvkm_device
*device
, int index
, struct nvkm_volt
**pvolt
)
61 struct nvkm_volt
*volt
;
64 ret
= nvkm_volt_new_(&gf100_volt
, device
, index
, &volt
);
69 return nvkm_voltgpio_init(volt
);