ubuntu-linux-kernel/drivers/gpu/drm/nouveau/nvkm/engine/nvdec/base.c

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2024-04-01 15:06:58 +00:00
/*
* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include "priv.h"
#include <engine/falcon.h>
static int
nvkm_nvdec_oneinit(struct nvkm_engine *engine)
{
struct nvkm_nvdec *nvdec = nvkm_nvdec(engine);
return nvkm_falcon_v1_new(&nvdec->engine.subdev, "NVDEC", 0x84000,
&nvdec->falcon);
}
static void *
nvkm_nvdec_dtor(struct nvkm_engine *engine)
{
struct nvkm_nvdec *nvdec = nvkm_nvdec(engine);
nvkm_falcon_del(&nvdec->falcon);
return nvdec;
}
static const struct nvkm_engine_func
nvkm_nvdec = {
.dtor = nvkm_nvdec_dtor,
.oneinit = nvkm_nvdec_oneinit,
};
int
nvkm_nvdec_new_(struct nvkm_device *device, int index,
struct nvkm_nvdec **pnvdec)
{
struct nvkm_nvdec *nvdec;
if (!(nvdec = *pnvdec = kzalloc(sizeof(*nvdec), GFP_KERNEL)))
return -ENOMEM;
return nvkm_engine_ctor(&nvkm_nvdec, device, index, true,
&nvdec->engine);
};