94 lines
3.1 KiB
C
94 lines
3.1 KiB
C
|
/*
|
||
|
|
* Copyright 2012 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 "channv50.h"
|
||
|
|
|
||
|
|
#include <core/client.h>
|
||
|
|
#include <core/ramht.h>
|
||
|
|
|
||
|
|
#include <nvif/class.h>
|
||
|
|
#include <nvif/cl506f.h>
|
||
|
|
#include <nvif/unpack.h>
|
||
|
|
|
||
|
|
static int
|
||
|
|
nv50_fifo_gpfifo_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass,
|
||
|
|
void *data, u32 size, struct nvkm_object **pobject)
|
||
|
|
{
|
||
|
|
struct nvkm_object *parent = oclass->parent;
|
||
|
|
union {
|
||
|
|
struct nv50_channel_gpfifo_v0 v0;
|
||
|
|
} *args = data;
|
||
|
|
struct nv50_fifo *fifo = nv50_fifo(base);
|
||
|
|
struct nv50_fifo_chan *chan;
|
||
|
|
u64 ioffset, ilength;
|
||
|
|
int ret = -ENOSYS;
|
||
|
|
|
||
|
|
nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
|
||
|
|
if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
|
||
|
|
nvif_ioctl(parent, "create channel gpfifo vers %d vmm %llx "
|
||
|
|
"pushbuf %llx ioffset %016llx "
|
||
|
|
"ilength %08x\n",
|
||
|
|
args->v0.version, args->v0.vmm, args->v0.pushbuf,
|
||
|
|
args->v0.ioffset, args->v0.ilength);
|
||
|
|
if (!args->v0.pushbuf)
|
||
|
|
return -EINVAL;
|
||
|
|
} else
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
|
||
|
|
return -ENOMEM;
|
||
|
|
*pobject = &chan->base.object;
|
||
|
|
|
||
|
|
ret = nv50_fifo_chan_ctor(fifo, args->v0.vmm, args->v0.pushbuf,
|
||
|
|
oclass, chan);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
args->v0.chid = chan->base.chid;
|
||
|
|
ioffset = args->v0.ioffset;
|
||
|
|
ilength = order_base_2(args->v0.ilength / 8);
|
||
|
|
|
||
|
|
nvkm_kmap(chan->ramfc);
|
||
|
|
nvkm_wo32(chan->ramfc, 0x3c, 0x403f6078);
|
||
|
|
nvkm_wo32(chan->ramfc, 0x44, 0x01003fff);
|
||
|
|
nvkm_wo32(chan->ramfc, 0x48, chan->base.push->node->offset >> 4);
|
||
|
|
nvkm_wo32(chan->ramfc, 0x50, lower_32_bits(ioffset));
|
||
|
|
nvkm_wo32(chan->ramfc, 0x54, upper_32_bits(ioffset) | (ilength << 16));
|
||
|
|
nvkm_wo32(chan->ramfc, 0x60, 0x7fffffff);
|
||
|
|
nvkm_wo32(chan->ramfc, 0x78, 0x00000000);
|
||
|
|
nvkm_wo32(chan->ramfc, 0x7c, 0x30000001);
|
||
|
|
nvkm_wo32(chan->ramfc, 0x80, ((chan->ramht->bits - 9) << 27) |
|
||
|
|
(4 << 24) /* SEARCH_FULL */ |
|
||
|
|
(chan->ramht->gpuobj->node->offset >> 4));
|
||
|
|
nvkm_done(chan->ramfc);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
const struct nvkm_fifo_chan_oclass
|
||
|
|
nv50_fifo_gpfifo_oclass = {
|
||
|
|
.base.oclass = NV50_CHANNEL_GPFIFO,
|
||
|
|
.base.minver = 0,
|
||
|
|
.base.maxver = 0,
|
||
|
|
.ctor = nv50_fifo_gpfifo_new,
|
||
|
|
};
|