/*
* Copyright 2023 Red Hat Inc.
*
* 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 <core/object.h>
#include <subdev/gsp.h>
#include <engine/fifo.h>
#include <nvrm/nvtypes.h>
#include <nvrm/535.113.01/common/sdk/nvidia/inc/nvos.h>
struct r535_nvdec_obj {
struct nvkm_object object;
struct nvkm_gsp_object rm;
};
static void *
r535_nvdec_obj_dtor(struct nvkm_object *object)
{
struct r535_nvdec_obj *obj = container_of(object, typeof(*obj), object);
nvkm_gsp_rm_free(&obj->rm);
return obj;
}
static const struct nvkm_object_func
r535_nvdec_obj = {
.dtor = r535_nvdec_obj_dtor,
};
static int
r535_nvdec_obj_ctor(const struct nvkm_oclass *oclass, void *argv, u32 argc,
struct nvkm_object **pobject)
{
struct nvkm_chan *chan = nvkm_uchan_chan(oclass->parent);
struct r535_nvdec_obj *obj;
NV_BSP_ALLOCATION_PARAMETERS *args;
if (!(obj = kzalloc(sizeof(*obj), GFP_KERNEL)))
return -ENOMEM;
nvkm_object_ctor(&r535_nvdec_obj, oclass, &obj->object);
*pobject = &obj->object;
args = nvkm_gsp_rm_alloc_get(&chan->rm.object, oclass->handle, oclass->base.oclass,
sizeof(*args), &obj->rm);
if (WARN_ON(IS_ERR(args)))
return PTR_ERR(args);
args->size = sizeof(*args);
args->engineInstance = oclass->engine->subdev.inst;
return nvkm_gsp_rm_alloc_wr(&obj->rm, args);
}
static void *
r535_nvdec_dtor(struct nvkm_engine *engine)
{
struct nvkm_nvdec *nvdec = nvkm_nvdec(engine);
kfree(nvdec->engine.func);
return nvdec;
}
int
r535_nvdec_new(const struct nvkm_engine_func *hw, struct nvkm_device *device,
enum nvkm_subdev_type type, int inst, struct nvkm_nvdec **pnvdec)
{
struct nvkm_engine_func *rm;
int nclass;
for (nclass = 0; hw->sclass[nclass].oclass; nclass++);
if (!(rm = kzalloc(sizeof(*rm) + (nclass + 1) * sizeof(rm->sclass[0]), GFP_KERNEL)))
return -ENOMEM;
rm->dtor = r535_nvdec_dtor;
for (int i = 0; i < nclass; i++) {
rm->sclass[i].minver = hw->sclass[i].minver;
rm->sclass[i].maxver = hw->sclass[i].maxver;
rm->sclass[i].oclass = hw->sclass[i].oclass;
rm->sclass[i].ctor = r535_nvdec_obj_ctor;
}
if (!(*pnvdec = kzalloc(sizeof(**pnvdec), GFP_KERNEL))) {
kfree(rm);
return -ENOMEM;
}
return nvkm_engine_ctor(rm, device, type, inst, true, &(*pnvdec)->engine);
}