1 /* $NetBSD: nouveau_nvkm_subdev_pmu_gk110.c,v 1.3 2021/12/18 23:45:41 riastradh Exp $ */
2
3 /*
4 * Copyright 2015 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_gk110.c,v 1.3 2021/12/18 23:45:41 riastradh Exp $");
28
29 #define gf119_pmu_code gk110_pmu_code
30 #define gf119_pmu_data gk110_pmu_data
31 #include "priv.h"
32 #include "fuc/gf119.fuc4.h"
33
34 #include <subdev/timer.h>
35
36 void
gk110_pmu_pgob(struct nvkm_pmu * pmu,bool enable)37 gk110_pmu_pgob(struct nvkm_pmu *pmu, bool enable)
38 {
39 struct nvkm_device *device = pmu->subdev.device;
40 static const struct {
41 u32 addr;
42 u32 data;
43 } magic[] = {
44 { 0x020520, 0xfffffffc },
45 { 0x020524, 0xfffffffe },
46 { 0x020524, 0xfffffffc },
47 { 0x020524, 0xfffffff8 },
48 { 0x020524, 0xffffffe0 },
49 { 0x020530, 0xfffffffe },
50 { 0x02052c, 0xfffffffa },
51 { 0x02052c, 0xfffffff0 },
52 { 0x02052c, 0xffffffc0 },
53 { 0x02052c, 0xffffff00 },
54 { 0x02052c, 0xfffffc00 },
55 { 0x02052c, 0xfffcfc00 },
56 { 0x02052c, 0xfff0fc00 },
57 { 0x02052c, 0xff80fc00 },
58 { 0x020528, 0xfffffffe },
59 { 0x020528, 0xfffffffc },
60 };
61 int i;
62
63 nvkm_mask(device, 0x000200, 0x00001000, 0x00000000);
64 nvkm_rd32(device, 0x000200);
65 nvkm_mask(device, 0x000200, 0x08000000, 0x08000000);
66 msleep(50);
67
68 nvkm_mask(device, 0x10a78c, 0x00000002, 0x00000002);
69 nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000001);
70 nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000000);
71
72 nvkm_mask(device, 0x0206b4, 0x00000000, 0x00000000);
73 for (i = 0; i < ARRAY_SIZE(magic); i++) {
74 nvkm_wr32(device, magic[i].addr, magic[i].data);
75 nvkm_msec(device, 2000,
76 if (!(nvkm_rd32(device, magic[i].addr) & 0x80000000))
77 break;
78 );
79 }
80
81 nvkm_mask(device, 0x10a78c, 0x00000002, 0x00000000);
82 nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000001);
83 nvkm_mask(device, 0x10a78c, 0x00000001, 0x00000000);
84
85 nvkm_mask(device, 0x000200, 0x08000000, 0x00000000);
86 nvkm_mask(device, 0x000200, 0x00001000, 0x00001000);
87 nvkm_rd32(device, 0x000200);
88 }
89
90 static const struct nvkm_pmu_func
91 gk110_pmu = {
92 .flcn = >215_pmu_flcn,
93 .code.data = gk110_pmu_code,
94 .code.size = sizeof(gk110_pmu_code),
95 .data.data = gk110_pmu_data,
96 .data.size = sizeof(gk110_pmu_data),
97 .enabled = gf100_pmu_enabled,
98 .reset = gf100_pmu_reset,
99 .init = gt215_pmu_init,
100 .fini = gt215_pmu_fini,
101 .intr = gt215_pmu_intr,
102 .send = gt215_pmu_send,
103 .recv = gt215_pmu_recv,
104 .pgob = gk110_pmu_pgob,
105 };
106
107 static const struct nvkm_pmu_fwif
108 gk110_pmu_fwif[] = {
109 { -1, gf100_pmu_nofw, &gk110_pmu },
110 {}
111 };
112
113 int
gk110_pmu_new(struct nvkm_device * device,int index,struct nvkm_pmu ** ppmu)114 gk110_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
115 {
116 return nvkm_pmu_new_(gk110_pmu_fwif, device, index, ppmu);
117 }
118