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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>
u32
nvkm_gr_ctxsw_inst(struct nvkm_device *device)
{
struct nvkm_gr *gr = device->gr;
if (gr && gr->func->ctxsw.inst)
return gr->func->ctxsw.inst(gr);
return 0;
}
int
nvkm_gr_ctxsw_resume(struct nvkm_device *device)
{
struct nvkm_gr *gr = device->gr;
if (gr && gr->func->ctxsw.resume)
return gr->func->ctxsw.resume(gr);
return 0;
}
int
nvkm_gr_ctxsw_pause(struct nvkm_device *device)
{
struct nvkm_gr *gr = device->gr;
if (gr && gr->func->ctxsw.pause)
return gr->func->ctxsw.pause(gr);
return 0;
}
static bool
nvkm_gr_chsw_load(struct nvkm_engine *engine)
{
struct nvkm_gr *gr = nvkm_gr(engine);
if (gr->func->chsw_load)
return gr->func->chsw_load(gr);
return false;
}
static void
nvkm_gr_tile(struct nvkm_engine *engine, int region, struct nvkm_fb_tile *tile)
{
struct nvkm_gr *gr = nvkm_gr(engine);
if (gr->func->tile)
gr->func->tile(gr, region, tile);
}
u64
nvkm_gr_units(struct nvkm_gr *gr)
{
if (gr->func->units)
return gr->func->units(gr);
return 0;
}
int
nvkm_gr_tlb_flush(struct nvkm_gr *gr)
{
if (gr->func->tlb_flush)
return gr->func->tlb_flush(gr);
return -ENODEV;
}
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;
}
static void
nvkm_gr_intr(struct nvkm_engine *engine)
{
struct nvkm_gr *gr = nvkm_gr(engine);
gr->func->intr(gr);
}
static int
nvkm_gr_oneinit(struct nvkm_engine *engine)
{
struct nvkm_gr *gr = nvkm_gr(engine);
if (gr->func->oneinit)
return gr->func->oneinit(gr);
return 0;
}
static int
nvkm_gr_init(struct nvkm_engine *engine)
{
struct nvkm_gr *gr = nvkm_gr(engine);
return gr->func->init(gr);
}
static int
nvkm_gr_fini(struct nvkm_engine *engine, bool suspend)
{
struct nvkm_gr *gr = nvkm_gr(engine);
if (gr->func->fini)
return gr->func->fini(gr, suspend);
return 0;
}
static void *
nvkm_gr_dtor(struct nvkm_engine *engine)
{
struct nvkm_gr *gr = nvkm_gr(engine);
if (gr->func->dtor)
return gr->func->dtor(gr);
return gr;
}
static const struct nvkm_engine_func
nvkm_gr = {
.dtor = nvkm_gr_dtor,
.oneinit = nvkm_gr_oneinit,
.init = nvkm_gr_init,
.fini = nvkm_gr_fini,
.intr = nvkm_gr_intr,
.tile = nvkm_gr_tile,
.chsw_load = nvkm_gr_chsw_load,
.fifo.cclass = nvkm_gr_cclass_new,
.fifo.sclass = nvkm_gr_oclass_get,
};
int
nvkm_gr_ctor(const struct nvkm_gr_func *func, struct nvkm_device *device,
enum nvkm_subdev_type type, int inst, bool enable, struct nvkm_gr *gr)
{
gr->func = func;
return nvkm_engine_ctor(&nvkm_gr, device, type, inst, enable, &gr->engine);
}
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