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
nv44_mc_ctor(struct nouveau_object * parent,struct nouveau_object * engine,struct nouveau_oclass * oclass,void * data,u32 size,struct nouveau_object ** pobject)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
39 ret = nouveau_mc_create(parent, engine, oclass, &priv);
40 *pobject = nv_object(priv);
41 if (ret)
42 return ret;
43
44 priv->base.intr_map = nv04_mc_intr;
45 return 0;
46 }
47
48 static int
nv44_mc_init(struct nouveau_object * object)49 nv44_mc_init(struct nouveau_object *object)
50 {
51 struct nv44_mc_priv *priv = (void *)object;
52 u32 tmp = nv_rd32(priv, 0x10020c);
53
54 nv_wr32(priv, 0x000200, 0xffffffff); /* everything enabled */
55
56 nv_wr32(priv, 0x001700, tmp);
57 nv_wr32(priv, 0x001704, 0);
58 nv_wr32(priv, 0x001708, 0);
59 nv_wr32(priv, 0x00170c, tmp);
60
61 return nouveau_mc_init(&priv->base);
62 }
63
64 struct nouveau_oclass
65 nv44_mc_oclass = {
66 .handle = NV_SUBDEV(MC, 0x44),
67 .ofuncs = &(struct nouveau_ofuncs) {
68 .ctor = nv44_mc_ctor,
69 .dtor = _nouveau_mc_dtor,
70 .init = nv44_mc_init,
71 .fini = _nouveau_mc_fini,
72 },
73 };
74