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 *
nvkm_nvdec_dtor(struct nvkm_engine * engine)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
nvkm_nvdec_new_(const struct nvkm_nvdec_fwif * fwif,struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_nvdec ** pnvdec)39 nvkm_nvdec_new_(const struct nvkm_nvdec_fwif *fwif, struct nvkm_device *device,
40 enum nvkm_subdev_type type, int inst, 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, type, inst, 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 nvdec->engine.subdev.name, 0, &nvdec->falcon);
61 };
62