1 /*
2  * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20  * DEALINGS IN THE SOFTWARE.
21  */
22 #include "priv.h"
23 
24 #include <engine/falcon.h>
25 
26 static int
27 nvkm_nvdec_oneinit(struct nvkm_engine *engine)
28 {
29 	struct nvkm_nvdec *nvdec = nvkm_nvdec(engine);
30 	return nvkm_falcon_v1_new(&nvdec->engine.subdev, "NVDEC", 0x84000,
31 				  &nvdec->falcon);
32 }
33 
34 static void *
35 nvkm_nvdec_dtor(struct nvkm_engine *engine)
36 {
37 	struct nvkm_nvdec *nvdec = nvkm_nvdec(engine);
38 	nvkm_falcon_del(&nvdec->falcon);
39 	return nvdec;
40 }
41 
42 static const struct nvkm_engine_func
43 nvkm_nvdec = {
44 	.dtor = nvkm_nvdec_dtor,
45 	.oneinit = nvkm_nvdec_oneinit,
46 };
47 
48 int
49 nvkm_nvdec_new_(struct nvkm_device *device, int index,
50 		struct nvkm_nvdec **pnvdec)
51 {
52 	struct nvkm_nvdec *nvdec;
53 
54 	if (!(nvdec = *pnvdec = kzalloc(sizeof(*nvdec), GFP_KERNEL)))
55 		return -ENOMEM;
56 
57 	return nvkm_engine_ctor(&nvkm_nvdec, device, index, true,
58 				&nvdec->engine);
59 };
60