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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 "nv04.h"
#include <core/client.h>
#include <core/engctx.h>
#include <core/ramht.h>
#include <subdev/instmem/nv04.h>
#include <nvif/class.h>
#include <nvif/unpack.h>
static struct ramfc_desc
nv10_ramfc[] = {
{ 32, 0, 0x00, 0, NV04_PFIFO_CACHE1_DMA_PUT },
{ 32, 0, 0x04, 0, NV04_PFIFO_CACHE1_DMA_GET },
{ 32, 0, 0x08, 0, NV10_PFIFO_CACHE1_REF_CNT },
{ 16, 0, 0x0c, 0, NV04_PFIFO_CACHE1_DMA_INSTANCE },
{ 16, 16, 0x0c, 0, NV04_PFIFO_CACHE1_DMA_DCOUNT },
{ 32, 0, 0x10, 0, NV04_PFIFO_CACHE1_DMA_STATE },
{ 32, 0, 0x14, 0, NV04_PFIFO_CACHE1_DMA_FETCH },
{ 32, 0, 0x18, 0, NV04_PFIFO_CACHE1_ENGINE },
{ 32, 0, 0x1c, 0, NV04_PFIFO_CACHE1_PULL1 },
{}
};
/*******************************************************************************
* FIFO channel objects
******************************************************************************/
static int
nv10_fifo_chan_ctor(struct nvkm_object *parent,
struct nvkm_object *engine,
struct nvkm_oclass *oclass, void *data, u32 size,
struct nvkm_object **pobject)
{
union {
struct nv03_channel_dma_v0 v0;
} *args = data;
struct nv04_fifo *fifo = (void *)engine;
struct nv04_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 pushbuf %llx "
"offset %016llx\n", args->v0.version,
args->v0.pushbuf, args->v0.offset);
} else
return ret;
ret = nvkm_fifo_channel_create(parent, engine, oclass, 0, 0x800000,
0x10000, args->v0.pushbuf,
(1ULL << NVDEV_ENGINE_DMAOBJ) |
(1ULL << NVDEV_ENGINE_SW) |
(1ULL << NVDEV_ENGINE_GR), &chan);
*pobject = nv_object(chan);
if (ret)
return ret;
args->v0.chid = chan->base.chid;
nv_parent(chan)->object_attach = nv04_fifo_object_attach;
nv_parent(chan)->object_detach = nv04_fifo_object_detach;
nv_parent(chan)->context_attach = nv04_fifo_context_attach;
chan->ramfc = chan->base.chid * 32;
nvkm_kmap(fifo->ramfc);
nvkm_wo32(fifo->ramfc, chan->ramfc + 0x00, args->v0.offset);
nvkm_wo32(fifo->ramfc, chan->ramfc + 0x04, args->v0.offset);
nvkm_wo32(fifo->ramfc, chan->ramfc + 0x0c, chan->base.pushgpu->addr >> 4);
nvkm_wo32(fifo->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(fifo->ramfc);
return 0;
}
static struct nvkm_ofuncs
nv10_fifo_ofuncs = {
.ctor = nv10_fifo_chan_ctor,
.dtor = nv04_fifo_chan_dtor,
.init = nv04_fifo_chan_init,
.fini = nv04_fifo_chan_fini,
.map = _nvkm_fifo_channel_map,
.rd32 = _nvkm_fifo_channel_rd32,
.wr32 = _nvkm_fifo_channel_wr32,
.ntfy = _nvkm_fifo_channel_ntfy
};
static struct nvkm_oclass
nv10_fifo_sclass[] = {
{ NV10_CHANNEL_DMA, &nv10_fifo_ofuncs },
{}
};
/*******************************************************************************
* FIFO context - basically just the instmem reserved for the channel
******************************************************************************/
static struct nvkm_oclass
nv10_fifo_cclass = {
.handle = NV_ENGCTX(FIFO, 0x10),
.ofuncs = &(struct nvkm_ofuncs) {
.ctor = nv04_fifo_context_ctor,
.dtor = _nvkm_fifo_context_dtor,
.init = _nvkm_fifo_context_init,
.fini = _nvkm_fifo_context_fini,
.rd32 = _nvkm_fifo_context_rd32,
.wr32 = _nvkm_fifo_context_wr32,
},
};
/*******************************************************************************
* PFIFO engine
******************************************************************************/
static int
nv10_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
struct nvkm_oclass *oclass, void *data, u32 size,
struct nvkm_object **pobject)
{
struct nv04_instmem *imem = nv04_instmem(parent);
struct nv04_fifo *fifo;
int ret;
ret = nvkm_fifo_create(parent, engine, oclass, 0, 31, &fifo);
*pobject = nv_object(fifo);
if (ret)
return ret;
nvkm_ramht_ref(imem->ramht, &fifo->ramht);
nvkm_gpuobj_ref(imem->ramro, &fifo->ramro);
nvkm_gpuobj_ref(imem->ramfc, &fifo->ramfc);
nv_subdev(fifo)->unit = 0x00000100;
nv_subdev(fifo)->intr = nv04_fifo_intr;
nv_engine(fifo)->cclass = &nv10_fifo_cclass;
nv_engine(fifo)->sclass = nv10_fifo_sclass;
fifo->base.pause = nv04_fifo_pause;
fifo->base.start = nv04_fifo_start;
fifo->ramfc_desc = nv10_ramfc;
return 0;
}
struct nvkm_oclass *
nv10_fifo_oclass = &(struct nvkm_oclass) {
.handle = NV_ENGINE(FIFO, 0x10),
.ofuncs = &(struct nvkm_ofuncs) {
.ctor = nv10_fifo_ctor,
.dtor = nv04_fifo_dtor,
.init = nv04_fifo_init,
.fini = _nvkm_fifo_fini,
},
};
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