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      1 /*	$NetBSD: nouveau_nvkm_engine_nvdec_base.c,v 1.2 2021/12/18 23:45:37 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be included in
     14  * all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     22  * DEALINGS IN THE SOFTWARE.
     23  */
     24 #include <sys/cdefs.h>
     25 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_engine_nvdec_base.c,v 1.2 2021/12/18 23:45:37 riastradh Exp $");
     26 
     27 #include "priv.h"
     28 #include <core/firmware.h>
     29 
     30 static void *
     31 nvkm_nvdec_dtor(struct nvkm_engine *engine)
     32 {
     33 	struct nvkm_nvdec *nvdec = nvkm_nvdec(engine);
     34 	nvkm_falcon_dtor(&nvdec->falcon);
     35 	return nvdec;
     36 }
     37 
     38 static const struct nvkm_engine_func
     39 nvkm_nvdec = {
     40 	.dtor = nvkm_nvdec_dtor,
     41 };
     42 
     43 int
     44 nvkm_nvdec_new_(const struct nvkm_nvdec_fwif *fwif, struct nvkm_device *device,
     45 		int index, struct nvkm_nvdec **pnvdec)
     46 {
     47 	struct nvkm_nvdec *nvdec;
     48 	int ret;
     49 
     50 	if (!(nvdec = *pnvdec = kzalloc(sizeof(*nvdec), GFP_KERNEL)))
     51 		return -ENOMEM;
     52 
     53 	ret = nvkm_engine_ctor(&nvkm_nvdec, device, index, true,
     54 			       &nvdec->engine);
     55 	if (ret)
     56 		return ret;
     57 
     58 	fwif = nvkm_firmware_load(&nvdec->engine.subdev, fwif, "Nvdec", nvdec);
     59 	if (IS_ERR(fwif))
     60 		return -ENODEV;
     61 
     62 	nvdec->func = fwif->func;
     63 
     64 	return nvkm_falcon_ctor(nvdec->func->flcn, &nvdec->engine.subdev,
     65 				nvkm_subdev_name[index], 0, &nvdec->falcon);
     66 };
     67