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/*
* Copyright (c) 2015, NVIDIA CORPORATION. All rights reserved.
*
* 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 AUTHORS OR COPYRIGHT HOLDERS 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 "changk104.h"
#include <nvif/class.h>
static void
gm20b_fifo_gpfifo_fini(struct nvkm_fifo_chan *base)
{
struct gk104_fifo_chan *chan = gk104_fifo_chan(base);
struct gk104_fifo *fifo = chan->fifo;
struct nvkm_device *device = fifo->base.engine.subdev.device;
u32 coff = chan->base.chid * 8;
if (!list_empty(&chan->head)) {
list_del_init(&chan->head);
nvkm_mask(device, 0x800004 + coff, 0x00000800, 0x00000800);
gk104_fifo_runlist_commit(fifo, chan->engine);
}
gk104_fifo_gpfifo_kick(chan);
nvkm_wr32(device, 0x800000 + coff, 0x00000000);
}
static const struct nvkm_fifo_chan_func
gm20b_fifo_gpfifo_func = {
.dtor = gk104_fifo_gpfifo_dtor,
.init = gk104_fifo_gpfifo_init,
.fini = gm20b_fifo_gpfifo_fini,
.ntfy = g84_fifo_chan_ntfy,
.engine_ctor = gk104_fifo_gpfifo_engine_ctor,
.engine_dtor = gk104_fifo_gpfifo_engine_dtor,
.engine_init = gk104_fifo_gpfifo_engine_init,
.engine_fini = gk104_fifo_gpfifo_engine_fini,
};
int
gm20b_fifo_gpfifo_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass,
void *data, u32 size, struct nvkm_object **pobject)
{
return __gk104_fifo_gpfifo_new(base, oclass, &gm20b_fifo_gpfifo_func,
data, size, pobject);
}
const struct nvkm_fifo_chan_oclass
gm20b_fifo_gpfifo_oclass = {
.base.oclass = MAXWELL_CHANNEL_GPFIFO_A,
.base.minver = 0,
.base.maxver = 0,
.ctor = gm20b_fifo_gpfifo_new,
};
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