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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 | */ | |
24 | ||
25 | #include <subdev/mc.h> | |
26 | ||
27 | struct nv44_mc_priv { | |
28 | struct nouveau_mc base; | |
29 | }; | |
30 | ||
31 | static int | |
32 | nv44_mc_ctor(struct nouveau_object *parent, struct nouveau_object *engine, | |
33 | struct nouveau_oclass *oclass, void *data, u32 size, | |
34 | struct nouveau_object **pobject) | |
35 | { | |
36 | struct nv44_mc_priv *priv; | |
37 | int ret; | |
38 | ||
6ff8c76a | 39 | ret = nouveau_mc_create(parent, engine, oclass, nv04_mc_intr, &priv); |
7d9115de BS |
40 | *pobject = nv_object(priv); |
41 | if (ret) | |
42 | return ret; | |
43 | ||
7d9115de BS |
44 | return 0; |
45 | } | |
46 | ||
47 | static int | |
48 | nv44_mc_init(struct nouveau_object *object) | |
49 | { | |
50 | struct nv44_mc_priv *priv = (void *)object; | |
51 | u32 tmp = nv_rd32(priv, 0x10020c); | |
52 | ||
53 | nv_wr32(priv, 0x000200, 0xffffffff); /* everything enabled */ | |
54 | ||
55 | nv_wr32(priv, 0x001700, tmp); | |
56 | nv_wr32(priv, 0x001704, 0); | |
57 | nv_wr32(priv, 0x001708, 0); | |
58 | nv_wr32(priv, 0x00170c, tmp); | |
59 | ||
60 | return nouveau_mc_init(&priv->base); | |
61 | } | |
62 | ||
63 | struct nouveau_oclass | |
64 | nv44_mc_oclass = { | |
65 | .handle = NV_SUBDEV(MC, 0x44), | |
66 | .ofuncs = &(struct nouveau_ofuncs) { | |
67 | .ctor = nv44_mc_ctor, | |
68 | .dtor = _nouveau_mc_dtor, | |
69 | .init = nv44_mc_init, | |
70 | .fini = _nouveau_mc_fini, | |
71 | }, | |
72 | }; |