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 #include <engine/msvld.h>
25 #include <engine/falcon.h>
26 
27 /*******************************************************************************
28  * MSVLD object classes
29  ******************************************************************************/
30 
31 static struct nvkm_oclass
32 g98_msvld_sclass[] = {
33 	{ 0x88b1, &nvkm_object_ofuncs },
34 	{ 0x85b1, &nvkm_object_ofuncs },
35 	{ 0x86b1, &nvkm_object_ofuncs },
36 	{},
37 };
38 
39 /*******************************************************************************
40  * PMSVLD context
41  ******************************************************************************/
42 
43 static struct nvkm_oclass
44 g98_msvld_cclass = {
45 	.handle = NV_ENGCTX(MSVLD, 0x98),
46 	.ofuncs = &(struct nvkm_ofuncs) {
47 		.ctor = _nvkm_falcon_context_ctor,
48 		.dtor = _nvkm_falcon_context_dtor,
49 		.init = _nvkm_falcon_context_init,
50 		.fini = _nvkm_falcon_context_fini,
51 		.rd32 = _nvkm_falcon_context_rd32,
52 		.wr32 = _nvkm_falcon_context_wr32,
53 	},
54 };
55 
56 /*******************************************************************************
57  * PMSVLD engine/subdev functions
58  ******************************************************************************/
59 
60 static int
61 g98_msvld_init(struct nvkm_object *object)
62 {
63 	struct nvkm_falcon *msvld = (void *)object;
64 	struct nvkm_device *device = msvld->engine.subdev.device;
65 	int ret;
66 
67 	ret = nvkm_falcon_init(msvld);
68 	if (ret)
69 		return ret;
70 
71 	nvkm_wr32(device, 0x084010, 0x0000ffd2);
72 	nvkm_wr32(device, 0x08401c, 0x0000fff2);
73 	return 0;
74 }
75 
76 static const struct nvkm_falcon_func
77 g98_msvld_func = {
78 };
79 
80 static int
81 g98_msvld_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
82 	       struct nvkm_oclass *oclass, void *data, u32 size,
83 	       struct nvkm_object **pobject)
84 {
85 	struct nvkm_falcon *msvld;
86 	int ret;
87 
88 	ret = nvkm_falcon_create(&g98_msvld_func, parent, engine, oclass,
89 				 0x084000, true, "PMSVLD", "msvld", &msvld);
90 	*pobject = nv_object(msvld);
91 	if (ret)
92 		return ret;
93 
94 	nv_subdev(msvld)->unit = 0x04008000;
95 	nv_engine(msvld)->cclass = &g98_msvld_cclass;
96 	nv_engine(msvld)->sclass = g98_msvld_sclass;
97 	return 0;
98 }
99 
100 struct nvkm_oclass
101 g98_msvld_oclass = {
102 	.handle = NV_ENGINE(MSVLD, 0x98),
103 	.ofuncs = &(struct nvkm_ofuncs) {
104 		.ctor = g98_msvld_ctor,
105 		.dtor = _nvkm_falcon_dtor,
106 		.init = g98_msvld_init,
107 		.fini = _nvkm_falcon_fini,
108 	},
109 };
110