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 30static void * 31nvkm_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 38static const struct nvkm_engine_func 39nvkm_nvdec = { 40 .dtor = nvkm_nvdec_dtor, 41}; 42 43int 44nvkm_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