Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
nv04.c
Go to the documentation of this file.
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 nv04_mc_priv {
28  struct nouveau_mc base;
29 };
30 
31 const struct nouveau_mc_intr
33  { 0x00000001, NVDEV_ENGINE_MPEG }, /* NV17- MPEG/ME */
34  { 0x00000100, NVDEV_ENGINE_FIFO },
35  { 0x00001000, NVDEV_ENGINE_GR },
36  { 0x00020000, NVDEV_ENGINE_VP }, /* NV40- */
37  { 0x00100000, NVDEV_SUBDEV_TIMER },
38  { 0x01000000, NVDEV_ENGINE_DISP }, /* NV04- PCRTC0 */
39  { 0x02000000, NVDEV_ENGINE_DISP }, /* NV11- PCRTC1 */
40  { 0x10000000, NVDEV_SUBDEV_GPIO }, /* PBUS */
41  { 0x80000000, NVDEV_ENGINE_SW },
42  {}
43 };
44 
45 static int
46 nv04_mc_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
47  struct nouveau_oclass *oclass, void *data, u32 size,
48  struct nouveau_object **pobject)
49 {
50  struct nv04_mc_priv *priv;
51  int ret;
52 
53  ret = nouveau_mc_create(parent, engine, oclass, &priv);
54  *pobject = nv_object(priv);
55  if (ret)
56  return ret;
57 
58  nv_subdev(priv)->intr = nouveau_mc_intr;
59  priv->base.intr_map = nv04_mc_intr;
60  return 0;
61 }
62 
63 int
65 {
66  struct nv04_mc_priv *priv = (void *)object;
67 
68  nv_wr32(priv, 0x000200, 0xffffffff); /* everything enabled */
69  nv_wr32(priv, 0x001850, 0x00000001); /* disable rom access */
70 
71  return nouveau_mc_init(&priv->base);
72 }
73 
74 struct nouveau_oclass
76  .handle = NV_SUBDEV(MC, 0x04),
77  .ofuncs = &(struct nouveau_ofuncs) {
78  .ctor = nv04_mc_ctor,
79  .dtor = _nouveau_mc_dtor,
80  .init = nv04_mc_init,
81  .fini = _nouveau_mc_fini,
82  },
83 };