1 /*	$NetBSD: nouveau_nvkm_subdev_pmu_gf100.c,v 1.3 2021/12/18 23:45:41 riastradh Exp $	*/
2 
3 /*
4  * Copyright 2013 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
25  */
26 #include <sys/cdefs.h>
27 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_subdev_pmu_gf100.c,v 1.3 2021/12/18 23:45:41 riastradh Exp $");
28 
29 #include "priv.h"
30 #include "fuc/gf100.fuc3.h"
31 
32 #include <subdev/mc.h>
33 
34 void
gf100_pmu_reset(struct nvkm_pmu * pmu)35 gf100_pmu_reset(struct nvkm_pmu *pmu)
36 {
37 	struct nvkm_device *device = pmu->subdev.device;
38 	nvkm_mc_disable(device, NVKM_SUBDEV_PMU);
39 	nvkm_mc_enable(device, NVKM_SUBDEV_PMU);
40 }
41 
42 bool
gf100_pmu_enabled(struct nvkm_pmu * pmu)43 gf100_pmu_enabled(struct nvkm_pmu *pmu)
44 {
45 	return nvkm_mc_enabled(pmu->subdev.device, NVKM_SUBDEV_PMU);
46 }
47 
48 static const struct nvkm_pmu_func
49 gf100_pmu = {
50 	.flcn = &gt215_pmu_flcn,
51 	.code.data = gf100_pmu_code,
52 	.code.size = sizeof(gf100_pmu_code),
53 	.data.data = gf100_pmu_data,
54 	.data.size = sizeof(gf100_pmu_data),
55 	.enabled = gf100_pmu_enabled,
56 	.reset = gf100_pmu_reset,
57 	.init = gt215_pmu_init,
58 	.fini = gt215_pmu_fini,
59 	.intr = gt215_pmu_intr,
60 	.send = gt215_pmu_send,
61 	.recv = gt215_pmu_recv,
62 };
63 
64 int
gf100_pmu_nofw(struct nvkm_pmu * pmu,int ver,const struct nvkm_pmu_fwif * fwif)65 gf100_pmu_nofw(struct nvkm_pmu *pmu, int ver, const struct nvkm_pmu_fwif *fwif)
66 {
67 	return 0;
68 }
69 
70 static const struct nvkm_pmu_fwif
71 gf100_pmu_fwif[] = {
72 	{ -1, gf100_pmu_nofw, &gf100_pmu },
73 	{}
74 };
75 
76 int
gf100_pmu_new(struct nvkm_device * device,int index,struct nvkm_pmu ** ppmu)77 gf100_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
78 {
79 	return nvkm_pmu_new_(gf100_pmu_fwif, device, index, ppmu);
80 }
81