1 /*
2 * Copyright 2016 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 <bskeggs@redhat.com>
23 */
24 #include "priv.h"
25
26 static int
gm200_pmu_flcn_reset(struct nvkm_falcon * falcon)27 gm200_pmu_flcn_reset(struct nvkm_falcon *falcon)
28 {
29 struct nvkm_pmu *pmu = container_of(falcon, typeof(*pmu), falcon);
30
31 nvkm_falcon_wr32(falcon, 0x014, 0x0000ffff);
32 pmu->func->reset(pmu);
33 return nvkm_falcon_enable(falcon);
34 }
35
36 const struct nvkm_falcon_func
37 gm200_pmu_flcn = {
38 .debug = 0xc08,
39 .fbif = 0xe00,
40 .load_imem = nvkm_falcon_v1_load_imem,
41 .load_dmem = nvkm_falcon_v1_load_dmem,
42 .read_dmem = nvkm_falcon_v1_read_dmem,
43 .bind_context = nvkm_falcon_v1_bind_context,
44 .wait_for_halt = nvkm_falcon_v1_wait_for_halt,
45 .clear_interrupt = nvkm_falcon_v1_clear_interrupt,
46 .set_start_addr = nvkm_falcon_v1_set_start_addr,
47 .start = nvkm_falcon_v1_start,
48 .enable = nvkm_falcon_v1_enable,
49 .disable = nvkm_falcon_v1_disable,
50 .reset = gm200_pmu_flcn_reset,
51 .cmdq = { 0x4a0, 0x4b0, 4 },
52 .msgq = { 0x4c8, 0x4cc, 0 },
53 };
54
55 static const struct nvkm_pmu_func
56 gm200_pmu = {
57 .flcn = &gm200_pmu_flcn,
58 .enabled = gf100_pmu_enabled,
59 .reset = gf100_pmu_reset,
60 };
61
62
63 int
gm200_pmu_nofw(struct nvkm_pmu * pmu,int ver,const struct nvkm_pmu_fwif * fwif)64 gm200_pmu_nofw(struct nvkm_pmu *pmu, int ver, const struct nvkm_pmu_fwif *fwif)
65 {
66 nvkm_warn(&pmu->subdev, "firmware unavailable\n");
67 return 0;
68 }
69
70 static const struct nvkm_pmu_fwif
71 gm200_pmu_fwif[] = {
72 { -1, gm200_pmu_nofw, &gm200_pmu },
73 {}
74 };
75
76 int
gm200_pmu_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_pmu ** ppmu)77 gm200_pmu_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
78 struct nvkm_pmu **ppmu)
79 {
80 return nvkm_pmu_new_(gm200_pmu_fwif, device, type, inst, ppmu);
81 }
82