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/*
* Copyright 2015 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.
*
* Authors: Ben Skeggs <bskeggs@redhat.com>
*/
#include "priv.h"
#include <engine/fifo.h>
static int
nvkm_gr_oclass_get(struct nvkm_oclass *oclass, int index)
{
struct nvkm_gr *gr = nvkm_gr(oclass->engine);
int c = 0;
if (gr->func->object_get) {
int ret = gr->func->object_get(gr, index, &oclass->base);
if (oclass->base.oclass)
return index;
return ret;
}
while (gr->func->sclass[c].oclass) {
if (c++ == index) {
oclass->base = gr->func->sclass[index];
return index;
}
}
return c;
}
static int
nvkm_gr_cclass_new(struct nvkm_fifo_chan *chan,
const struct nvkm_oclass *oclass,
struct nvkm_object **pobject)
{
struct nvkm_gr *gr = nvkm_gr(oclass->engine);
if (gr->func->chan_new)
return gr->func->chan_new(gr, chan, oclass, pobject);
return 0;
}
struct nvkm_engine_func
nvkm_gr = {
.fifo.cclass = nvkm_gr_cclass_new,
.fifo.sclass = nvkm_gr_oclass_get,
};
int
nvkm_gr_create_(struct nvkm_object *parent, struct nvkm_object *engine,
struct nvkm_oclass *oclass, bool enable,
int length, void **pobject)
{
struct nvkm_gr *gr;
int ret;
ret = nvkm_engine_create_(parent, engine, oclass, enable,
"gr", "gr", length, pobject);
gr = *pobject;
if (ret)
return ret;
gr->engine.func = &nvkm_gr;
return 0;
}
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