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 = &gt215_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