99 lines
3.3 KiB
C
99 lines
3.3 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 "channv04.h"
|
||
|
|
#include "regsnv04.h"
|
||
|
|
|
||
|
|
#include <core/client.h>
|
||
|
|
#include <core/gpuobj.h>
|
||
|
|
#include <subdev/instmem.h>
|
||
|
|
|
||
|
|
#include <nvif/class.h>
|
||
|
|
#include <nvif/cl006b.h>
|
||
|
|
#include <nvif/unpack.h>
|
||
|
|
|
||
|
|
static int
|
||
|
|
nv17_fifo_dma_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 nv03_channel_dma_v0 v0;
|
||
|
|
} *args = data;
|
||
|
|
struct nv04_fifo *fifo = nv04_fifo(base);
|
||
|
|
struct nv04_fifo_chan *chan = NULL;
|
||
|
|
struct nvkm_device *device = fifo->base.engine.subdev.device;
|
||
|
|
struct nvkm_instmem *imem = device->imem;
|
||
|
|
int ret = -ENOSYS;
|
||
|
|
|
||
|
|
nvif_ioctl(parent, "create channel dma size %d\n", size);
|
||
|
|
if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
|
||
|
|
nvif_ioctl(parent, "create channel dma vers %d pushbuf %llx "
|
||
|
|
"offset %08x\n", args->v0.version,
|
||
|
|
args->v0.pushbuf, args->v0.offset);
|
||
|
|
if (!args->v0.pushbuf)
|
||
|
|
return -EINVAL;
|
||
|
|
} else
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
|
||
|
|
return -ENOMEM;
|
||
|
|
*pobject = &chan->base.object;
|
||
|
|
|
||
|
|
ret = nvkm_fifo_chan_ctor(&nv04_fifo_dma_func, &fifo->base,
|
||
|
|
0x1000, 0x1000, false, 0, args->v0.pushbuf,
|
||
|
|
BIT(NV04_FIFO_ENGN_SW) |
|
||
|
|
BIT(NV04_FIFO_ENGN_GR) |
|
||
|
|
BIT(NV04_FIFO_ENGN_MPEG) | /* NV31- */
|
||
|
|
BIT(NV04_FIFO_ENGN_DMA),
|
||
|
|
0, 0x800000, 0x10000, oclass, &chan->base);
|
||
|
|
chan->fifo = fifo;
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
args->v0.chid = chan->base.chid;
|
||
|
|
chan->ramfc = chan->base.chid * 64;
|
||
|
|
|
||
|
|
nvkm_kmap(imem->ramfc);
|
||
|
|
nvkm_wo32(imem->ramfc, chan->ramfc + 0x00, args->v0.offset);
|
||
|
|
nvkm_wo32(imem->ramfc, chan->ramfc + 0x04, args->v0.offset);
|
||
|
|
nvkm_wo32(imem->ramfc, chan->ramfc + 0x0c, chan->base.push->addr >> 4);
|
||
|
|
nvkm_wo32(imem->ramfc, chan->ramfc + 0x14,
|
||
|
|
NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES |
|
||
|
|
NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
|
||
|
|
#ifdef __BIG_ENDIAN
|
||
|
|
NV_PFIFO_CACHE1_BIG_ENDIAN |
|
||
|
|
#endif
|
||
|
|
NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8);
|
||
|
|
nvkm_done(imem->ramfc);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
const struct nvkm_fifo_chan_oclass
|
||
|
|
nv17_fifo_dma_oclass = {
|
||
|
|
.base.oclass = NV17_CHANNEL_DMA,
|
||
|
|
.base.minver = 0,
|
||
|
|
.base.maxver = 0,
|
||
|
|
.ctor = nv17_fifo_dma_new,
|
||
|
|
};
|