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/msppp.h>
25 #include <engine/falcon.h>
26 
27 #include <nvif/class.h>
28 
29 static int
30 gf100_msppp_init(struct nvkm_object *object)
31 {
32 	struct nvkm_falcon *msppp = (void *)object;
33 	struct nvkm_device *device = msppp->engine.subdev.device;
34 	int ret;
35 
36 	ret = nvkm_falcon_init(msppp);
37 	if (ret)
38 		return ret;
39 
40 	nvkm_wr32(device, 0x086010, 0x0000fff2);
41 	nvkm_wr32(device, 0x08601c, 0x0000fff2);
42 	return 0;
43 }
44 
45 static const struct nvkm_falcon_func
46 gf100_msppp_func = {
47 	.sclass = {
48 		{ -1, -1, GF100_MSPPP },
49 		{}
50 	}
51 };
52 
53 static int
54 gf100_msppp_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
55 		 struct nvkm_oclass *oclass, void *data, u32 size,
56 		 struct nvkm_object **pobject)
57 {
58 	struct nvkm_falcon *msppp;
59 	int ret;
60 
61 	ret = nvkm_falcon_create(&gf100_msppp_func, parent, engine, oclass,
62 				 0x086000, true, "PMSPPP", "msppp", &msppp);
63 	*pobject = nv_object(msppp);
64 	if (ret)
65 		return ret;
66 
67 	nv_subdev(msppp)->unit = 0x00000002;
68 	return 0;
69 }
70 
71 struct nvkm_oclass
72 gf100_msppp_oclass = {
73 	.handle = NV_ENGINE(MSPPP, 0xc0),
74 	.ofuncs = &(struct nvkm_ofuncs) {
75 		.ctor = gf100_msppp_ctor,
76 		.dtor = _nvkm_falcon_dtor,
77 		.init = gf100_msppp_init,
78 		.fini = _nvkm_falcon_fini,
79 	},
80 };
81