OpenCloudOS-Kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm204.c

58 lines
1.9 KiB
C

/*
* 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
*/
#include "gk104.h"
#include <nvif/class.h>
static struct nvkm_oclass
gm204_fifo_sclass[] = {
{ MAXWELL_CHANNEL_GPFIFO_A, &gk104_fifo_chan_ofuncs },
{}
};
int
gm204_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
struct nvkm_oclass *oclass, void *data, u32 size,
struct nvkm_object **pobject)
{
int ret = gk104_fifo_ctor(parent, engine, oclass, data, size, pobject);
if (ret == 0) {
struct gk104_fifo *fifo = (void *)*pobject;
nv_engine(fifo)->sclass = gm204_fifo_sclass;
}
return ret;
}
struct nvkm_oclass *
gm204_fifo_oclass = &(struct gk104_fifo_impl) {
.base.handle = NV_ENGINE(FIFO, 0x24),
.base.ofuncs = &(struct nvkm_ofuncs) {
.ctor = gm204_fifo_ctor,
.dtor = gk104_fifo_dtor,
.init = gk104_fifo_init,
.fini = _nvkm_fifo_fini,
},
.channels = 4096,
}.base;