1 /*
2  * Copyright 2019 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 #include "priv.h"
23 
24 #include "priv.h"
25 #include <core/firmware.h>
26 
27 static void *
28 nvkm_nvenc_dtor(struct nvkm_engine *engine)
29 {
30 	struct nvkm_nvenc *nvenc = nvkm_nvenc(engine);
31 	nvkm_falcon_dtor(&nvenc->falcon);
32 	return nvenc;
33 }
34 
35 static const struct nvkm_engine_func
36 nvkm_nvenc = {
37 	.dtor = nvkm_nvenc_dtor,
38 };
39 
40 int
41 nvkm_nvenc_new_(const struct nvkm_nvenc_fwif *fwif, struct nvkm_device *device,
42 		int index, struct nvkm_nvenc **pnvenc)
43 {
44 	struct nvkm_nvenc *nvenc;
45 	int ret;
46 
47 	if (!(nvenc = *pnvenc = kzalloc(sizeof(*nvenc), GFP_KERNEL)))
48 		return -ENOMEM;
49 
50 	ret = nvkm_engine_ctor(&nvkm_nvenc, device, index, true,
51 			       &nvenc->engine);
52 	if (ret)
53 		return ret;
54 
55 	fwif = nvkm_firmware_load(&nvenc->engine.subdev, fwif, "Nvenc", nvenc);
56 	if (IS_ERR(fwif))
57 		return -ENODEV;
58 
59 	nvenc->func = fwif->func;
60 
61 	return nvkm_falcon_ctor(nvenc->func->flcn, &nvenc->engine.subdev,
62 				nvenc->engine.subdev.name, 0, &nvenc->falcon);
63 };
64