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, Maarten Lankhorst, Ilia Mirkin
23 */
24
25 #include <engine/falcon.h>
26 #include <engine/bsp.h>
27
28 struct nv98_bsp_priv {
29 struct nouveau_falcon base;
30 };
31
32 /*******************************************************************************
33 * BSP object classes
34 ******************************************************************************/
35
36 static struct nouveau_oclass
37 nv98_bsp_sclass[] = {
38 { 0x88b1, &nouveau_object_ofuncs },
39 { 0x85b1, &nouveau_object_ofuncs },
40 { 0x86b1, &nouveau_object_ofuncs },
41 {},
42 };
43
44 /*******************************************************************************
45 * PBSP context
46 ******************************************************************************/
47
48 static struct nouveau_oclass
49 nv98_bsp_cclass = {
50 .handle = NV_ENGCTX(BSP, 0x98),
51 .ofuncs = &(struct nouveau_ofuncs) {
52 .ctor = _nouveau_falcon_context_ctor,
53 .dtor = _nouveau_falcon_context_dtor,
54 .init = _nouveau_falcon_context_init,
55 .fini = _nouveau_falcon_context_fini,
56 .rd32 = _nouveau_falcon_context_rd32,
57 .wr32 = _nouveau_falcon_context_wr32,
58 },
59 };
60
61 /*******************************************************************************
62 * PBSP engine/subdev functions
63 ******************************************************************************/
64
65 static int
nv98_bsp_init(struct nouveau_object * object)66 nv98_bsp_init(struct nouveau_object *object)
67 {
68 struct nv98_bsp_priv *priv = (void *)object;
69 int ret;
70
71 ret = nouveau_falcon_init(&priv->base);
72 if (ret)
73 return ret;
74
75 nv_wr32(priv, 0x084010, 0x0000ffd2);
76 nv_wr32(priv, 0x08401c, 0x0000fff2);
77 return 0;
78 }
79
80 static int
nv98_bsp_ctor(struct nouveau_object * parent,struct nouveau_object * engine,struct nouveau_oclass * oclass,void * data,u32 size,struct nouveau_object ** pobject)81 nv98_bsp_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
82 struct nouveau_oclass *oclass, void *data, u32 size,
83 struct nouveau_object **pobject)
84 {
85 struct nv98_bsp_priv *priv;
86 int ret;
87
88 ret = nouveau_falcon_create(parent, engine, oclass, 0x084000, true,
89 "PBSP", "bsp", &priv);
90 *pobject = nv_object(priv);
91 if (ret)
92 return ret;
93
94 nv_subdev(priv)->unit = 0x04008000;
95 nv_engine(priv)->cclass = &nv98_bsp_cclass;
96 nv_engine(priv)->sclass = nv98_bsp_sclass;
97 return 0;
98 }
99
100 struct nouveau_oclass
101 nv98_bsp_oclass = {
102 .handle = NV_ENGINE(BSP, 0x98),
103 .ofuncs = &(struct nouveau_ofuncs) {
104 .ctor = nv98_bsp_ctor,
105 .dtor = _nouveau_falcon_dtor,
106 .init = nv98_bsp_init,
107 .fini = _nouveau_falcon_fini,
108 .rd32 = _nouveau_falcon_rd32,
109 .wr32 = _nouveau_falcon_wr32,
110 },
111 };
112