1/*	$NetBSD: nouveau_nvkm_subdev_pmu_gp102.c,v 1.2 2021/12/18 23:45:41 riastradh Exp $	*/
2
3/*
4 * Copyright 2016 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Ben Skeggs <bskeggs@redhat.com>
25 */
26#include <sys/cdefs.h>
27__KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_subdev_pmu_gp102.c,v 1.2 2021/12/18 23:45:41 riastradh Exp $");
28
29#include "priv.h"
30
31static void
32gp102_pmu_reset(struct nvkm_pmu *pmu)
33{
34	struct nvkm_device *device = pmu->subdev.device;
35	nvkm_mask(device, 0x10a3c0, 0x00000001, 0x00000001);
36	nvkm_mask(device, 0x10a3c0, 0x00000001, 0x00000000);
37}
38
39static bool
40gp102_pmu_enabled(struct nvkm_pmu *pmu)
41{
42	return !(nvkm_rd32(pmu->subdev.device, 0x10a3c0) & 0x00000001);
43}
44
45static const struct nvkm_pmu_func
46gp102_pmu = {
47	.flcn = &gt215_pmu_flcn,
48	.enabled = gp102_pmu_enabled,
49	.reset = gp102_pmu_reset,
50};
51
52static const struct nvkm_pmu_fwif
53gp102_pmu_fwif[] = {
54	{ -1, gf100_pmu_nofw, &gp102_pmu },
55	{}
56};
57
58int
59gp102_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
60{
61	return nvkm_pmu_new_(gp102_pmu_fwif, device, index, ppmu);
62}
63