111 lines · c
1/*2 * Copyright 2023 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * OTHER DEALINGS IN THE SOFTWARE.21 */22#include "priv.h"23 24#include <core/object.h>25#include <subdev/gsp.h>26#include <engine/fifo.h>27 28#include <nvrm/nvtypes.h>29#include <nvrm/535.113.01/common/sdk/nvidia/inc/nvos.h>30 31struct r535_nvdec_obj {32 struct nvkm_object object;33 struct nvkm_gsp_object rm;34};35 36static void *37r535_nvdec_obj_dtor(struct nvkm_object *object)38{39 struct r535_nvdec_obj *obj = container_of(object, typeof(*obj), object);40 41 nvkm_gsp_rm_free(&obj->rm);42 return obj;43}44 45static const struct nvkm_object_func46r535_nvdec_obj = {47 .dtor = r535_nvdec_obj_dtor,48};49 50static int51r535_nvdec_obj_ctor(const struct nvkm_oclass *oclass, void *argv, u32 argc,52 struct nvkm_object **pobject)53{54 struct nvkm_chan *chan = nvkm_uchan_chan(oclass->parent);55 struct r535_nvdec_obj *obj;56 NV_BSP_ALLOCATION_PARAMETERS *args;57 58 if (!(obj = kzalloc(sizeof(*obj), GFP_KERNEL)))59 return -ENOMEM;60 61 nvkm_object_ctor(&r535_nvdec_obj, oclass, &obj->object);62 *pobject = &obj->object;63 64 args = nvkm_gsp_rm_alloc_get(&chan->rm.object, oclass->handle, oclass->base.oclass,65 sizeof(*args), &obj->rm);66 if (WARN_ON(IS_ERR(args)))67 return PTR_ERR(args);68 69 args->size = sizeof(*args);70 args->engineInstance = oclass->engine->subdev.inst;71 72 return nvkm_gsp_rm_alloc_wr(&obj->rm, args);73}74 75static void *76r535_nvdec_dtor(struct nvkm_engine *engine)77{78 struct nvkm_nvdec *nvdec = nvkm_nvdec(engine);79 80 kfree(nvdec->engine.func);81 return nvdec;82}83 84int85r535_nvdec_new(const struct nvkm_engine_func *hw, struct nvkm_device *device,86 enum nvkm_subdev_type type, int inst, struct nvkm_nvdec **pnvdec)87{88 struct nvkm_engine_func *rm;89 int nclass;90 91 for (nclass = 0; hw->sclass[nclass].oclass; nclass++);92 93 if (!(rm = kzalloc(sizeof(*rm) + (nclass + 1) * sizeof(rm->sclass[0]), GFP_KERNEL)))94 return -ENOMEM;95 96 rm->dtor = r535_nvdec_dtor;97 for (int i = 0; i < nclass; i++) {98 rm->sclass[i].minver = hw->sclass[i].minver;99 rm->sclass[i].maxver = hw->sclass[i].maxver;100 rm->sclass[i].oclass = hw->sclass[i].oclass;101 rm->sclass[i].ctor = r535_nvdec_obj_ctor;102 }103 104 if (!(*pnvdec = kzalloc(sizeof(**pnvdec), GFP_KERNEL))) {105 kfree(rm);106 return -ENOMEM;107 }108 109 return nvkm_engine_ctor(rm, device, type, inst, true, &(*pnvdec)->engine);110}111