xref: /linux/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gt215.c (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
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 #include "fuc/gt215.fuc3.h"
26 
27 static void
28 gt215_pmu_reset(struct nvkm_pmu *pmu)
29 {
30 	struct nvkm_device *device = pmu->subdev.device;
31 	nvkm_mask(device, 0x022210, 0x00000001, 0x00000000);
32 	nvkm_mask(device, 0x022210, 0x00000001, 0x00000001);
33 }
34 
35 static const struct nvkm_pmu_func
36 gt215_pmu = {
37 	.reset = gt215_pmu_reset,
38 	.code.data = gt215_pmu_code,
39 	.code.size = sizeof(gt215_pmu_code),
40 	.data.data = gt215_pmu_data,
41 	.data.size = sizeof(gt215_pmu_data),
42 };
43 
44 int
45 gt215_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
46 {
47 	return nvkm_pmu_new_(&gt215_pmu, device, index, ppmu);
48 }
49