1 /*
2  * Copyright 2012 Maarten Lankhorst
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: Maarten Lankhorst
23  */
24 #include <engine/mspdec.h>
25 #include <engine/falcon.h>
26 
27 /*******************************************************************************
28  * MSPDEC object classes
29  ******************************************************************************/
30 
31 static struct nvkm_oclass
32 gf100_mspdec_sclass[] = {
33 	{ 0x90b2, &nvkm_object_ofuncs },
34 	{},
35 };
36 
37 /*******************************************************************************
38  * PMSPDEC context
39  ******************************************************************************/
40 
41 static struct nvkm_oclass
42 gf100_mspdec_cclass = {
43 	.handle = NV_ENGCTX(MSPDEC, 0xc0),
44 	.ofuncs = &(struct nvkm_ofuncs) {
45 		.ctor = _nvkm_falcon_context_ctor,
46 		.dtor = _nvkm_falcon_context_dtor,
47 		.init = _nvkm_falcon_context_init,
48 		.fini = _nvkm_falcon_context_fini,
49 		.rd32 = _nvkm_falcon_context_rd32,
50 		.wr32 = _nvkm_falcon_context_wr32,
51 	},
52 };
53 
54 /*******************************************************************************
55  * PMSPDEC engine/subdev functions
56  ******************************************************************************/
57 
58 static int
59 gf100_mspdec_init(struct nvkm_object *object)
60 {
61 	struct nvkm_falcon *mspdec = (void *)object;
62 	struct nvkm_device *device = mspdec->engine.subdev.device;
63 	int ret;
64 
65 	ret = nvkm_falcon_init(mspdec);
66 	if (ret)
67 		return ret;
68 
69 	nvkm_wr32(device, 0x085010, 0x0000fff2);
70 	nvkm_wr32(device, 0x08501c, 0x0000fff2);
71 	return 0;
72 }
73 
74 static const struct nvkm_falcon_func
75 gf100_mspdec_func = {
76 };
77 
78 static int
79 gf100_mspdec_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
80 		  struct nvkm_oclass *oclass, void *data, u32 size,
81 		  struct nvkm_object **pobject)
82 {
83 	struct nvkm_falcon *mspdec;
84 	int ret;
85 
86 	ret = nvkm_falcon_create(&gf100_mspdec_func, parent, engine, oclass,
87 				 0x085000, true, "PMSPDEC", "mspdec", &mspdec);
88 	*pobject = nv_object(mspdec);
89 	if (ret)
90 		return ret;
91 
92 	nv_subdev(mspdec)->unit = 0x00020000;
93 	nv_engine(mspdec)->cclass = &gf100_mspdec_cclass;
94 	nv_engine(mspdec)->sclass = gf100_mspdec_sclass;
95 	return 0;
96 }
97 
98 struct nvkm_oclass
99 gf100_mspdec_oclass = {
100 	.handle = NV_ENGINE(MSPDEC, 0xc0),
101 	.ofuncs = &(struct nvkm_ofuncs) {
102 		.ctor = gf100_mspdec_ctor,
103 		.dtor = _nvkm_falcon_dtor,
104 		.init = gf100_mspdec_init,
105 		.fini = _nvkm_falcon_fini,
106 	},
107 };
108