xref: /linux/drivers/gpu/drm/nouveau/nvkm/engine/mspdec/g98.c (revision 702648721db590b3425c31ade294000e18808345)
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 "priv.h"
25 
26 #include <nvif/class.h>
27 
28 void
29 g98_mspdec_init(struct nvkm_falcon *mspdec)
30 {
31 	struct nvkm_device *device = mspdec->engine.subdev.device;
32 	nvkm_wr32(device, 0x085010, 0x0000ffd2);
33 	nvkm_wr32(device, 0x08501c, 0x0000fff2);
34 }
35 
36 static const struct nvkm_falcon_func
37 g98_mspdec = {
38 	.init = g98_mspdec_init,
39 	.sclass = {
40 		{ -1, -1, G98_MSPDEC },
41 		{}
42 	}
43 };
44 
45 int
46 g98_mspdec_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
47 	       struct nvkm_engine **pengine)
48 {
49 	return nvkm_mspdec_new_(&g98_mspdec, device, type, inst, pengine);
50 }
51