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 #include <core/firmware.h>
24 
25 static void *
26 nvkm_nvdec_dtor(struct nvkm_engine *engine)
27 {
28 	struct nvkm_nvdec *nvdec = nvkm_nvdec(engine);
29 	nvkm_falcon_dtor(&nvdec->falcon);
30 	return nvdec;
31 }
32 
33 static const struct nvkm_engine_func
34 nvkm_nvdec = {
35 	.dtor = nvkm_nvdec_dtor,
36 };
37 
38 int
39 nvkm_nvdec_new_(const struct nvkm_nvdec_fwif *fwif, struct nvkm_device *device,
40 		int index, struct nvkm_nvdec **pnvdec)
41 {
42 	struct nvkm_nvdec *nvdec;
43 	int ret;
44 
45 	if (!(nvdec = *pnvdec = kzalloc(sizeof(*nvdec), GFP_KERNEL)))
46 		return -ENOMEM;
47 
48 	ret = nvkm_engine_ctor(&nvkm_nvdec, device, index, true,
49 			       &nvdec->engine);
50 	if (ret)
51 		return ret;
52 
53 	fwif = nvkm_firmware_load(&nvdec->engine.subdev, fwif, "Nvdec", nvdec);
54 	if (IS_ERR(fwif))
55 		return -ENODEV;
56 
57 	nvdec->func = fwif->func;
58 
59 	return nvkm_falcon_ctor(nvdec->func->flcn, &nvdec->engine.subdev,
60 				nvkm_subdev_name[index], 0, &nvdec->falcon);
61 };
62