base.c

 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 <core/firmware.h>
25
26static void *
27nvkm_nvenc_dtor(struct nvkm_engine *engine)
28{
29	struct nvkm_nvenc *nvenc = nvkm_nvenc(engine);
30	nvkm_falcon_dtor(&nvenc->falcon);
31	return nvenc;
32}
33
34static const struct nvkm_engine_func
35nvkm_nvenc = {
36	.dtor = nvkm_nvenc_dtor,
37	.sclass = { {} },
38};
39
40int
41nvkm_nvenc_new_(const struct nvkm_nvenc_fwif *fwif, struct nvkm_device *device,
42		enum nvkm_subdev_type type, int inst, 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, type, inst, 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}