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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" |
2984506f BS |
26 | |
27 | #include <subdev/timer.h> | |
28 | ||
2984506f | 29 | static int |
01d6b956 | 30 | g94_bus_hwsq_exec(struct nvkm_bus *bus, u32 *data, u32 size) |
2984506f | 31 | { |
14caba44 | 32 | struct nvkm_device *device = bus->subdev.device; |
2984506f BS |
33 | int i; |
34 | ||
14caba44 BS |
35 | nvkm_mask(device, 0x001098, 0x00000008, 0x00000000); |
36 | nvkm_wr32(device, 0x001304, 0x00000000); | |
37 | nvkm_wr32(device, 0x001318, 0x00000000); | |
2984506f | 38 | for (i = 0; i < size; i++) |
14caba44 BS |
39 | nvkm_wr32(device, 0x080000 + (i * 4), data[i]); |
40 | nvkm_mask(device, 0x001098, 0x00000018, 0x00000018); | |
41 | nvkm_wr32(device, 0x00130c, 0x00000001); | |
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 | ||
bb23f9d7 BS |
52 | static const struct nvkm_bus_func |
53 | g94_bus = { | |
54 | .init = nv50_bus_init, | |
2984506f | 55 | .intr = nv50_bus_intr, |
5f8824de | 56 | .hwsq_exec = g94_bus_hwsq_exec, |
2984506f | 57 | .hwsq_size = 128, |
bb23f9d7 BS |
58 | }; |
59 | ||
60 | int | |
61 | g94_bus_new(struct nvkm_device *device, int index, struct nvkm_bus **pbus) | |
62 | { | |
63 | return nvkm_bus_new_(&g94_bus, device, index, pbus); | |
64 | } |