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 <engine/falcon.h>
26 #include <engine/bsp.h>
27
28 struct nve0_bsp_priv {
29 struct nouveau_falcon base;
30 };
31
32 /*******************************************************************************
33 * BSP object classes
34 ******************************************************************************/
35
36 static struct nouveau_oclass
37 nve0_bsp_sclass[] = {
38 { 0x95b1, &nouveau_object_ofuncs },
39 {},
40 };
41
42 /*******************************************************************************
43 * PBSP context
44 ******************************************************************************/
45
46 static struct nouveau_oclass
47 nve0_bsp_cclass = {
48 .handle = NV_ENGCTX(BSP, 0xe0),
49 .ofuncs = &(struct nouveau_ofuncs) {
50 .ctor = _nouveau_falcon_context_ctor,
51 .dtor = _nouveau_falcon_context_dtor,
52 .init = _nouveau_falcon_context_init,
53 .fini = _nouveau_falcon_context_fini,
54 .rd32 = _nouveau_falcon_context_rd32,
55 .wr32 = _nouveau_falcon_context_wr32,
56 },
57 };
58
59 /*******************************************************************************
60 * PBSP engine/subdev functions
61 ******************************************************************************/
62
63 static int
nve0_bsp_init(struct nouveau_object * object)64 nve0_bsp_init(struct nouveau_object *object)
65 {
66 struct nve0_bsp_priv *priv = (void *)object;
67 int ret;
68
69 ret = nouveau_falcon_init(&priv->base);
70 if (ret)
71 return ret;
72
73 nv_wr32(priv, 0x084010, 0x0000fff2);
74 nv_wr32(priv, 0x08401c, 0x0000fff2);
75 return 0;
76 }
77
78 static int
nve0_bsp_ctor(struct nouveau_object * parent,struct nouveau_object * engine,struct nouveau_oclass * oclass,void * data,u32 size,struct nouveau_object ** pobject)79 nve0_bsp_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
80 struct nouveau_oclass *oclass, void *data, u32 size,
81 struct nouveau_object **pobject)
82 {
83 struct nve0_bsp_priv *priv;
84 int ret;
85
86 ret = nouveau_falcon_create(parent, engine, oclass, 0x084000, true,
87 "PBSP", "bsp", &priv);
88 *pobject = nv_object(priv);
89 if (ret)
90 return ret;
91
92 nv_subdev(priv)->unit = 0x00008000;
93 nv_subdev(priv)->intr = nouveau_falcon_intr;
94 nv_engine(priv)->cclass = &nve0_bsp_cclass;
95 nv_engine(priv)->sclass = nve0_bsp_sclass;
96 return 0;
97 }
98
99 struct nouveau_oclass
100 nve0_bsp_oclass = {
101 .handle = NV_ENGINE(BSP, 0xe0),
102 .ofuncs = &(struct nouveau_ofuncs) {
103 .ctor = nve0_bsp_ctor,
104 .dtor = _nouveau_falcon_dtor,
105 .init = nve0_bsp_init,
106 .fini = _nouveau_falcon_fini,
107 .rd32 = _nouveau_falcon_rd32,
108 .wr32 = _nouveau_falcon_wr32,
109 },
110 };
111