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      1 /*	$NetBSD: nouveau_nvkm_engine_nvenc_base.c,v 1.2 2021/12/18 23:45:37 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2019 Red Hat Inc.
      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 COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     22  * OTHER DEALINGS IN THE SOFTWARE.
     23  */
     24 #include <sys/cdefs.h>
     25 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_engine_nvenc_base.c,v 1.2 2021/12/18 23:45:37 riastradh Exp $");
     26 
     27 #include "priv.h"
     28 
     29 #include "priv.h"
     30 #include <core/firmware.h>
     31 
     32 static void *
     33 nvkm_nvenc_dtor(struct nvkm_engine *engine)
     34 {
     35 	struct nvkm_nvenc *nvenc = nvkm_nvenc(engine);
     36 	nvkm_falcon_dtor(&nvenc->falcon);
     37 	return nvenc;
     38 }
     39 
     40 static const struct nvkm_engine_func
     41 nvkm_nvenc = {
     42 	.dtor = nvkm_nvenc_dtor,
     43 };
     44 
     45 int
     46 nvkm_nvenc_new_(const struct nvkm_nvenc_fwif *fwif, struct nvkm_device *device,
     47 		int index, struct nvkm_nvenc **pnvenc)
     48 {
     49 	struct nvkm_nvenc *nvenc;
     50 	int ret;
     51 
     52 	if (!(nvenc = *pnvenc = kzalloc(sizeof(*nvenc), GFP_KERNEL)))
     53 		return -ENOMEM;
     54 
     55 	ret = nvkm_engine_ctor(&nvkm_nvenc, device, index, true,
     56 			       &nvenc->engine);
     57 	if (ret)
     58 		return ret;
     59 
     60 	fwif = nvkm_firmware_load(&nvenc->engine.subdev, fwif, "Nvenc", nvenc);
     61 	if (IS_ERR(fwif))
     62 		return -ENODEV;
     63 
     64 	nvenc->func = fwif->func;
     65 
     66 	return nvkm_falcon_ctor(nvenc->func->flcn, &nvenc->engine.subdev,
     67 				nvkm_subdev_name[index], 0, &nvenc->falcon);
     68 };
     69