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a10220bb MP |
1 | /* |
2 | * Copyright 2012 Nouveau Community | |
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: Martin Peres <martin.peres@labri.fr> | |
23 | * Ben Skeggs | |
24 | */ | |
bb23f9d7 | 25 | #include "priv.h" |
a10220bb | 26 | |
a699a85a | 27 | #include <subdev/therm.h> |
2984506f BS |
28 | #include <subdev/timer.h> |
29 | ||
2984506f | 30 | static int |
01d6b956 | 31 | nv50_bus_hwsq_exec(struct nvkm_bus *bus, u32 *data, u32 size) |
2984506f | 32 | { |
14caba44 | 33 | struct nvkm_device *device = bus->subdev.device; |
2984506f BS |
34 | int i; |
35 | ||
14caba44 BS |
36 | nvkm_mask(device, 0x001098, 0x00000008, 0x00000000); |
37 | nvkm_wr32(device, 0x001304, 0x00000000); | |
2984506f | 38 | for (i = 0; i < size; i++) |
14caba44 BS |
39 | nvkm_wr32(device, 0x001400 + (i * 4), data[i]); |
40 | nvkm_mask(device, 0x001098, 0x00000018, 0x00000018); | |
41 | nvkm_wr32(device, 0x00130c, 0x00000003); | |
2984506f | 42 | |
4f31c84e BS |
43 | if (nvkm_msec(device, 2000, |
44 | if (!(nvkm_rd32(device, 0x001308) & 0x00000100)) | |
45 | break; | |
46 | ) < 0) | |
47 | return -ETIMEDOUT; | |
48 | ||
49 | return 0; | |
2984506f BS |
50 | } |
51 | ||
52 | void | |
bb23f9d7 | 53 | nv50_bus_intr(struct nvkm_bus *bus) |
a10220bb | 54 | { |
bb23f9d7 | 55 | struct nvkm_subdev *subdev = &bus->subdev; |
a699a85a | 56 | struct nvkm_device *device = subdev->device; |
14caba44 | 57 | u32 stat = nvkm_rd32(device, 0x001100) & nvkm_rd32(device, 0x001140); |
a10220bb MP |
58 | |
59 | if (stat & 0x00000008) { | |
14caba44 BS |
60 | u32 addr = nvkm_rd32(device, 0x009084); |
61 | u32 data = nvkm_rd32(device, 0x009088); | |
9d7175c8 | 62 | |
a699a85a BS |
63 | nvkm_error(subdev, "MMIO %s of %08x FAULT at %06x\n", |
64 | (addr & 0x00000002) ? "write" : "read", data, | |
65 | (addr & 0x00fffffc)); | |
9d7175c8 | 66 | |
a10220bb | 67 | stat &= ~0x00000008; |
14caba44 | 68 | nvkm_wr32(device, 0x001100, 0x00000008); |
a10220bb MP |
69 | } |
70 | ||
71 | if (stat & 0x00010000) { | |
a699a85a | 72 | struct nvkm_therm *therm = device->therm; |
6cf813fb BS |
73 | if (therm) |
74 | nvkm_subdev_intr(&therm->subdev); | |
a10220bb | 75 | stat &= ~0x00010000; |
14caba44 | 76 | nvkm_wr32(device, 0x001100, 0x00010000); |
a10220bb MP |
77 | } |
78 | ||
79 | if (stat) { | |
a699a85a | 80 | nvkm_error(subdev, "intr %08x\n", stat); |
14caba44 | 81 | nvkm_mask(device, 0x001140, stat, 0); |
a10220bb MP |
82 | } |
83 | } | |
84 | ||
bb23f9d7 BS |
85 | void |
86 | nv50_bus_init(struct nvkm_bus *bus) | |
a10220bb | 87 | { |
14caba44 | 88 | struct nvkm_device *device = bus->subdev.device; |
14caba44 BS |
89 | nvkm_wr32(device, 0x001100, 0xffffffff); |
90 | nvkm_wr32(device, 0x001140, 0x00010008); | |
a10220bb MP |
91 | } |
92 | ||
bb23f9d7 BS |
93 | static const struct nvkm_bus_func |
94 | nv50_bus = { | |
95 | .init = nv50_bus_init, | |
48ae0b35 | 96 | .intr = nv50_bus_intr, |
2984506f BS |
97 | .hwsq_exec = nv50_bus_hwsq_exec, |
98 | .hwsq_size = 64, | |
bb23f9d7 BS |
99 | }; |
100 | ||
101 | int | |
102 | nv50_bus_new(struct nvkm_device *device, int index, struct nvkm_bus **pbus) | |
103 | { | |
104 | return nvkm_bus_new_(&nv50_bus, device, index, pbus); | |
105 | } |