1 /*
2 * Copyright 2015 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 #define gf119_pmu_code gk110_pmu_code
25 #define gf119_pmu_data gk110_pmu_data
26 #include "priv.h"
27 #include "fuc/gf119.fuc4.h"
28
29 #include <subdev/timer.h>
30
31 void
gk110_pmu_pgob(struct nvkm_pmu * pmu,bool enable)32 gk110_pmu_pgob(struct nvkm_pmu *pmu, bool enable)
33 {
34 struct nvkm_device *device = pmu->subdev.device;
35 static const struct {
36 u32 addr;
37 u32 data;
38 } magic[] = {
39 { 0x020520, 0xfffffffc },
40 { 0x020524, 0xfffffffe },
41 { 0x020524, 0xfffffffc },
42 { 0x020524, 0xfffffff8 },
43 { 0x020524, 0xffffffe0 },
44 { 0x020530, 0xfffffffe },
45 { 0x02052c, 0xfffffffa },
46 { 0x02052c, 0xfffffff0 },
47 { 0x02052c, 0xffffffc0 },
48 { 0x02052c, 0xffffff00 },
49 { 0x02052c, 0xfffffc00 },
50 { 0x02052c, 0xfffcfc00 },
51 { 0x02052c, 0xfff0fc00 },
52 { 0x02052c, 0xff80fc00 },
53 { 0x020528, 0xfffffffe },
54 { 0x020528, 0xfffffffc },
55 };
56 int i;
57
58 nvkm_mask(device, 0x000200, 0x00001000, 0x00000000);
59 nvkm_rd32(device, 0x000200);
60 nvkm_mask(device, 0x000200, 0x08000000, 0x08000000);
61 msleep(50);
62
63 nvkm_mask(device, 0x10a78c, 0x00000002, 0x00000002);
64 nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000001);
65 nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000000);
66
67 nvkm_mask(device, 0x0206b4, 0x00000000, 0x00000000);
68 for (i = 0; i < ARRAY_SIZE(magic); i++) {
69 nvkm_wr32(device, magic[i].addr, magic[i].data);
70 nvkm_msec(device, 2000,
71 if (!(nvkm_rd32(device, magic[i].addr) & 0x80000000))
72 break;
73 );
74 }
75
76 nvkm_mask(device, 0x10a78c, 0x00000002, 0x00000000);
77 nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000001);
78 nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000000);
79
80 nvkm_mask(device, 0x000200, 0x08000000, 0x00000000);
81 nvkm_mask(device, 0x000200, 0x00001000, 0x00001000);
82 nvkm_rd32(device, 0x000200);
83 }
84
85 static const struct nvkm_pmu_func
86 gk110_pmu = {
87 .flcn = >215_pmu_flcn,
88 .code.data = gk110_pmu_code,
89 .code.size = sizeof(gk110_pmu_code),
90 .data.data = gk110_pmu_data,
91 .data.size = sizeof(gk110_pmu_data),
92 .enabled = gf100_pmu_enabled,
93 .reset = gf100_pmu_reset,
94 .init = gt215_pmu_init,
95 .fini = gt215_pmu_fini,
96 .intr = gt215_pmu_intr,
97 .send = gt215_pmu_send,
98 .recv = gt215_pmu_recv,
99 .pgob = gk110_pmu_pgob,
100 };
101
102 static const struct nvkm_pmu_fwif
103 gk110_pmu_fwif[] = {
104 { -1, gf100_pmu_nofw, &gk110_pmu },
105 {}
106 };
107
108 int
gk110_pmu_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_pmu ** ppmu)109 gk110_pmu_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
110 struct nvkm_pmu **ppmu)
111 {
112 return nvkm_pmu_new_(gk110_pmu_fwif, device, type, inst, ppmu);
113 }
114