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 #define gf119_pmu_code gk104_pmu_code
25 #define gf119_pmu_data gk104_pmu_data
26 #include "priv.h"
27 #include "fuc/gf119.fuc4.h"
28
29 #include <core/option.h>
30 #include <subdev/fuse.h>
31 #include <subdev/timer.h>
32
33 static void
magic_(struct nvkm_device * device,u32 ctrl,int size)34 magic_(struct nvkm_device *device, u32 ctrl, int size)
35 {
36 nvkm_wr32(device, 0x00c800, 0x00000000);
37 nvkm_wr32(device, 0x00c808, 0x00000000);
38 nvkm_wr32(device, 0x00c800, ctrl);
39 nvkm_msec(device, 2000,
40 if (nvkm_rd32(device, 0x00c800) & 0x40000000) {
41 while (size--)
42 nvkm_wr32(device, 0x00c804, 0x00000000);
43 break;
44 }
45 );
46 nvkm_wr32(device, 0x00c800, 0x00000000);
47 }
48
49 static void
magic(struct nvkm_device * device,u32 ctrl)50 magic(struct nvkm_device *device, u32 ctrl)
51 {
52 magic_(device, 0x8000a41f | ctrl, 6);
53 magic_(device, 0x80000421 | ctrl, 1);
54 }
55
56 static void
gk104_pmu_pgob(struct nvkm_pmu * pmu,bool enable)57 gk104_pmu_pgob(struct nvkm_pmu *pmu, bool enable)
58 {
59 struct nvkm_device *device = pmu->subdev.device;
60
61 if (!(nvkm_fuse_read(device->fuse, 0x31c) & 0x00000001))
62 return;
63
64 nvkm_mask(device, 0x000200, 0x00001000, 0x00000000);
65 nvkm_rd32(device, 0x000200);
66 nvkm_mask(device, 0x000200, 0x08000000, 0x08000000);
67 msleep(50);
68
69 nvkm_mask(device, 0x10a78c, 0x00000002, 0x00000002);
70 nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000001);
71 nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000000);
72
73 nvkm_mask(device, 0x020004, 0xc0000000, enable ? 0xc0000000 : 0x40000000);
74 msleep(50);
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 if (nvkm_boolopt(device->cfgopt, "War00C800_0", true)) {
85 switch (device->chipset) {
86 case 0xe4:
87 magic(device, 0x04000000);
88 magic(device, 0x06000000);
89 magic(device, 0x0c000000);
90 magic(device, 0x0e000000);
91 break;
92 case 0xe6:
93 magic(device, 0x02000000);
94 magic(device, 0x04000000);
95 magic(device, 0x0a000000);
96 break;
97 case 0xe7:
98 magic(device, 0x02000000);
99 break;
100 default:
101 break;
102 }
103 }
104 }
105
106 static const struct nvkm_pmu_func
107 gk104_pmu = {
108 .flcn = >215_pmu_flcn,
109 .code.data = gk104_pmu_code,
110 .code.size = sizeof(gk104_pmu_code),
111 .data.data = gk104_pmu_data,
112 .data.size = sizeof(gk104_pmu_data),
113 .enabled = gf100_pmu_enabled,
114 .reset = gf100_pmu_reset,
115 .init = gt215_pmu_init,
116 .fini = gt215_pmu_fini,
117 .intr = gt215_pmu_intr,
118 .send = gt215_pmu_send,
119 .recv = gt215_pmu_recv,
120 .pgob = gk104_pmu_pgob,
121 };
122
123 static const struct nvkm_pmu_fwif
124 gk104_pmu_fwif[] = {
125 { -1, gf100_pmu_nofw, &gk104_pmu },
126 {}
127 };
128
129 int
gk104_pmu_new(struct nvkm_device * device,int index,struct nvkm_pmu ** ppmu)130 gk104_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
131 {
132 return nvkm_pmu_new_(gk104_pmu_fwif, device, index, ppmu);
133 }
134
