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a4feaf4e BS |
1 | /* |
2 | * Copyright 2012 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 | */ | |
878da15a BS |
24 | #include "nv50.h" |
25 | #include "outp.h" | |
a4feaf4e | 26 | |
120b0c39 | 27 | #include <core/client.h> |
cc2a9071 BS |
28 | #include <subdev/timer.h> |
29 | ||
7568b106 | 30 | #include <nvif/cl5070.h> |
878da15a | 31 | #include <nvif/unpack.h> |
a4feaf4e BS |
32 | |
33 | int | |
878da15a | 34 | gt215_hda_eld(NV50_DISP_MTHD_V1) |
a4feaf4e | 35 | { |
2fde1f1c | 36 | struct nvkm_device *device = disp->base.engine.subdev.device; |
120b0c39 BS |
37 | union { |
38 | struct nv50_disp_sor_hda_eld_v0 v0; | |
39 | } *args = data; | |
40 | const u32 soff = outp->or * 0x800; | |
f01c4e68 | 41 | int ret = -ENOSYS, i; |
a4feaf4e | 42 | |
53003941 | 43 | nvif_ioctl(object, "disp sor hda eld size %d\n", size); |
f01c4e68 | 44 | if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) { |
53003941 BS |
45 | nvif_ioctl(object, "disp sor hda eld vers %d\n", |
46 | args->v0.version); | |
120b0c39 BS |
47 | if (size > 0x60) |
48 | return -E2BIG; | |
49 | } else | |
50 | return ret; | |
51 | ||
52 | if (size && args->v0.data[0]) { | |
cc2a9071 | 53 | if (outp->info.type == DCB_OUTPUT_DP) { |
2fde1f1c | 54 | nvkm_mask(device, 0x61c1e0 + soff, 0x8000000d, 0x80000001); |
3a020b4d BS |
55 | nvkm_msec(device, 2000, |
56 | u32 tmp = nvkm_rd32(device, 0x61c1e0 + soff); | |
57 | if (!(tmp & 0x80000000)) | |
58 | break; | |
59 | ); | |
cc2a9071 | 60 | } |
a4feaf4e | 61 | for (i = 0; i < size; i++) |
d347583a | 62 | nvkm_wr32(device, 0x61c440 + soff, (i << 8) | args->v0.data[i]); |
02d69294 | 63 | for (; i < 0x60; i++) |
2fde1f1c BS |
64 | nvkm_wr32(device, 0x61c440 + soff, (i << 8)); |
65 | nvkm_mask(device, 0x61c448 + soff, 0x80000003, 0x80000003); | |
a4feaf4e | 66 | } else { |
cc2a9071 | 67 | if (outp->info.type == DCB_OUTPUT_DP) { |
2fde1f1c | 68 | nvkm_mask(device, 0x61c1e0 + soff, 0x80000001, 0x80000000); |
3a020b4d BS |
69 | nvkm_msec(device, 2000, |
70 | u32 tmp = nvkm_rd32(device, 0x61c1e0 + soff); | |
71 | if (!(tmp & 0x80000000)) | |
72 | break; | |
73 | ); | |
cc2a9071 | 74 | } |
2fde1f1c | 75 | nvkm_mask(device, 0x61c448 + soff, 0x80000003, 0x80000000 | !!size); |
a4feaf4e BS |
76 | } |
77 | ||
78 | return 0; | |
79 | } |