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/*
* 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/unpack.h>
static int
nv50_fifo_chan_ctor_dma(struct nvkm_object *parent, struct nvkm_object *engine,
struct nvkm_oclass *oclass, void *data, u32 size,
struct nvkm_object **pobject)
{
union {
struct nv50_channel_dma_v0 v0;
} *args = data;
struct nvkm_device *device = parent->engine->subdev.device;
struct nv50_fifo_base *base = (void *)parent;
struct nv50_fifo_chan *chan;
int ret;
nvif_ioctl(parent, "create channel dma size %d\n", size);
if (nvif_unpack(args->v0, 0, 0, false)) {
nvif_ioctl(parent, "create channel dma vers %d vm %llx "
"pushbuf %llx offset %016llx\n",
args->v0.version, args->v0.vm, args->v0.pushbuf,
args->v0.offset);
if (args->v0.vm)
return -ENOENT;
} else
return ret;
ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0xc00000,
0x2000, args->v0.pushbuf,
(1ULL << NVDEV_ENGINE_DMAOBJ) |
(1ULL << NVDEV_ENGINE_SW) |
(1ULL << NVDEV_ENGINE_GR) |
(1ULL << NVDEV_ENGINE_MPEG), &chan);
*pobject = nv_object(chan);
if (ret)
return ret;
chan->base.inst = base->base.gpuobj.addr;
args->v0.chid = chan->base.chid;
nv_parent(chan)->context_attach = nv50_fifo_context_attach;
nv_parent(chan)->context_detach = nv50_fifo_context_detach;
nv_parent(chan)->object_attach = nv50_fifo_object_attach;
nv_parent(chan)->object_detach = nv50_fifo_object_detach;
ret = nvkm_ramht_new(device, 0x8000, 16, &base->base.gpuobj,
&chan->ramht);
if (ret)
return ret;
nvkm_kmap(base->ramfc);
nvkm_wo32(base->ramfc, 0x08, lower_32_bits(args->v0.offset));
nvkm_wo32(base->ramfc, 0x0c, upper_32_bits(args->v0.offset));
nvkm_wo32(base->ramfc, 0x10, lower_32_bits(args->v0.offset));
nvkm_wo32(base->ramfc, 0x14, upper_32_bits(args->v0.offset));
nvkm_wo32(base->ramfc, 0x3c, 0x003f6078);
nvkm_wo32(base->ramfc, 0x44, 0x01003fff);
nvkm_wo32(base->ramfc, 0x48, chan->base.pushgpu->node->offset >> 4);
nvkm_wo32(base->ramfc, 0x4c, 0xffffffff);
nvkm_wo32(base->ramfc, 0x60, 0x7fffffff);
nvkm_wo32(base->ramfc, 0x78, 0x00000000);
nvkm_wo32(base->ramfc, 0x7c, 0x30000001);
nvkm_wo32(base->ramfc, 0x80, ((chan->ramht->bits - 9) << 27) |
(4 << 24) /* SEARCH_FULL */ |
(chan->ramht->gpuobj->node->offset >> 4));
nvkm_done(base->ramfc);
return 0;
}
static struct nvkm_ofuncs
nv50_fifo_ofuncs_dma = {
.ctor = nv50_fifo_chan_ctor_dma,
.dtor = nv50_fifo_chan_dtor,
.init = nv50_fifo_chan_init,
.fini = nv50_fifo_chan_fini,
.map = _nvkm_fifo_channel_map,
.rd32 = _nvkm_fifo_channel_rd32,
.wr32 = _nvkm_fifo_channel_wr32,
.ntfy = _nvkm_fifo_channel_ntfy
};
struct nvkm_oclass
nv50_fifo_sclass[] = {
{ NV50_CHANNEL_DMA, &nv50_fifo_ofuncs_dma },
{ NV50_CHANNEL_GPFIFO, &nv50_fifo_ofuncs_ind },
{}
};
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