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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 MP |
26 | |
27 | static void | |
bb23f9d7 | 28 | gf100_bus_intr(struct nvkm_bus *bus) |
a10220bb | 29 | { |
bb23f9d7 | 30 | struct nvkm_subdev *subdev = &bus->subdev; |
a699a85a | 31 | struct nvkm_device *device = subdev->device; |
14caba44 | 32 | u32 stat = nvkm_rd32(device, 0x001100) & nvkm_rd32(device, 0x001140); |
a10220bb MP |
33 | |
34 | if (stat & 0x0000000e) { | |
14caba44 BS |
35 | u32 addr = nvkm_rd32(device, 0x009084); |
36 | u32 data = nvkm_rd32(device, 0x009088); | |
a10220bb | 37 | |
a699a85a BS |
38 | nvkm_error(subdev, |
39 | "MMIO %s of %08x FAULT at %06x [ %s%s%s]\n", | |
40 | (addr & 0x00000002) ? "write" : "read", data, | |
41 | (addr & 0x00fffffc), | |
42 | (stat & 0x00000002) ? "!ENGINE " : "", | |
43 | (stat & 0x00000004) ? "IBUS " : "", | |
44 | (stat & 0x00000008) ? "TIMEOUT " : ""); | |
382b5bbb | 45 | |
14caba44 BS |
46 | nvkm_wr32(device, 0x009084, 0x00000000); |
47 | nvkm_wr32(device, 0x001100, (stat & 0x0000000e)); | |
a10220bb MP |
48 | stat &= ~0x0000000e; |
49 | } | |
50 | ||
51 | if (stat) { | |
a699a85a | 52 | nvkm_error(subdev, "intr %08x\n", stat); |
14caba44 | 53 | nvkm_mask(device, 0x001140, stat, 0x00000000); |
a10220bb MP |
54 | } |
55 | } | |
56 | ||
bb23f9d7 BS |
57 | static void |
58 | gf100_bus_init(struct nvkm_bus *bus) | |
a10220bb | 59 | { |
14caba44 | 60 | struct nvkm_device *device = bus->subdev.device; |
14caba44 BS |
61 | nvkm_wr32(device, 0x001100, 0xffffffff); |
62 | nvkm_wr32(device, 0x001140, 0x0000000e); | |
a10220bb MP |
63 | } |
64 | ||
bb23f9d7 BS |
65 | static const struct nvkm_bus_func |
66 | gf100_bus = { | |
67 | .init = gf100_bus_init, | |
5f8824de | 68 | .intr = gf100_bus_intr, |
bb23f9d7 BS |
69 | }; |
70 | ||
71 | int | |
72 | gf100_bus_new(struct nvkm_device *device, int index, struct nvkm_bus **pbus) | |
73 | { | |
74 | return nvkm_bus_new_(&gf100_bus, device, index, pbus); | |
75 | } |