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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 <core/os.h>
#include <core/class.h>
#include <core/engctx.h>
#include <core/ramht.h>
#include <subdev/instmem.h>
#include <subdev/instmem/nv04.h>
#include <subdev/fb.h>
#include <engine/fifo.h>
#include "nv04.h"
static struct ramfc_desc
nv17_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 },
{ 32, 0, 0x20, 0, NV10_PFIFO_CACHE1_ACQUIRE_VALUE },
{ 32, 0, 0x24, 0, NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP },
{ 32, 0, 0x28, 0, NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT },
{ 32, 0, 0x2c, 0, NV10_PFIFO_CACHE1_SEMAPHORE },
{ 32, 0, 0x30, 0, NV10_PFIFO_CACHE1_DMA_SUBROUTINE },
{}
};
/*******************************************************************************
* FIFO channel objects
******************************************************************************/
static int
nv17_fifo_chan_ctor(struct nouveau_object *parent,
struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nv04_fifo_priv *priv = (void *)engine;
struct nv04_fifo_chan *chan;
struct nv03_channel_dma_class *args = data;
int ret;
if (size < sizeof(*args))
return -EINVAL;
ret = nouveau_fifo_channel_create(parent, engine, oclass, 0, 0x800000,
0x10000, args->pushbuf,
(1 << NVDEV_ENGINE_DMAOBJ) |
(1 << NVDEV_ENGINE_SW) |
(1 << NVDEV_ENGINE_GR) |
(1 << NVDEV_ENGINE_MPEG), /* NV31- */
&chan);
*pobject = nv_object(chan);
if (ret)
return ret;
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 * 64;
nv_wo32(priv->ramfc, chan->ramfc + 0x00, args->offset);
nv_wo32(priv->ramfc, chan->ramfc + 0x04, args->offset);
nv_wo32(priv->ramfc, chan->ramfc + 0x0c, chan->base.pushgpu->addr >> 4);
nv_wo32(priv->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);
return 0;
}
static struct nouveau_ofuncs
nv17_fifo_ofuncs = {
.ctor = nv17_fifo_chan_ctor,
.dtor = nv04_fifo_chan_dtor,
.init = nv04_fifo_chan_init,
.fini = nv04_fifo_chan_fini,
.rd32 = _nouveau_fifo_channel_rd32,
.wr32 = _nouveau_fifo_channel_wr32,
};
static struct nouveau_oclass
nv17_fifo_sclass[] = {
{ 0x176e, &nv17_fifo_ofuncs },
{}
};
/*******************************************************************************
* FIFO context - basically just the instmem reserved for the channel
******************************************************************************/
static struct nouveau_oclass
nv17_fifo_cclass = {
.handle = NV_ENGCTX(FIFO, 0x17),
.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nv04_fifo_context_ctor,
.dtor = _nouveau_fifo_context_dtor,
.init = _nouveau_fifo_context_init,
.fini = _nouveau_fifo_context_fini,
.rd32 = _nouveau_fifo_context_rd32,
.wr32 = _nouveau_fifo_context_wr32,
},
};
/*******************************************************************************
* PFIFO engine
******************************************************************************/
static int
nv17_fifo_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nv04_instmem_priv *imem = nv04_instmem(parent);
struct nv04_fifo_priv *priv;
int ret;
ret = nouveau_fifo_create(parent, engine, oclass, 0, 31, &priv);
*pobject = nv_object(priv);
if (ret)
return ret;
nouveau_ramht_ref(imem->ramht, &priv->ramht);
nouveau_gpuobj_ref(imem->ramro, &priv->ramro);
nouveau_gpuobj_ref(imem->ramfc, &priv->ramfc);
nv_subdev(priv)->unit = 0x00000100;
nv_subdev(priv)->intr = nv04_fifo_intr;
nv_engine(priv)->cclass = &nv17_fifo_cclass;
nv_engine(priv)->sclass = nv17_fifo_sclass;
priv->base.pause = nv04_fifo_pause;
priv->base.start = nv04_fifo_start;
priv->ramfc_desc = nv17_ramfc;
return 0;
}
static int
nv17_fifo_init(struct nouveau_object *object)
{
struct nv04_fifo_priv *priv = (void *)object;
int ret;
ret = nouveau_fifo_init(&priv->base);
if (ret)
return ret;
nv_wr32(priv, NV04_PFIFO_DELAY_0, 0x000000ff);
nv_wr32(priv, NV04_PFIFO_DMA_TIMESLICE, 0x0101ffff);
nv_wr32(priv, NV03_PFIFO_RAMHT, (0x03 << 24) /* search 128 */ |
((priv->ramht->bits - 9) << 16) |
(priv->ramht->base.addr >> 8));
nv_wr32(priv, NV03_PFIFO_RAMRO, priv->ramro->addr >> 8);
nv_wr32(priv, NV03_PFIFO_RAMFC, priv->ramfc->addr >> 8 | 0x00010000);
nv_wr32(priv, NV03_PFIFO_CACHE1_PUSH1, priv->base.max);
nv_wr32(priv, NV03_PFIFO_INTR_0, 0xffffffff);
nv_wr32(priv, NV03_PFIFO_INTR_EN_0, 0xffffffff);
nv_wr32(priv, NV03_PFIFO_CACHE1_PUSH0, 1);
nv_wr32(priv, NV04_PFIFO_CACHE1_PULL0, 1);
nv_wr32(priv, NV03_PFIFO_CACHES, 1);
return 0;
}
struct nouveau_oclass
nv17_fifo_oclass = {
.handle = NV_ENGINE(FIFO, 0x17),
.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nv17_fifo_ctor,
.dtor = nv04_fifo_dtor,
.init = nv17_fifo_init,
.fini = _nouveau_fifo_fini,
},
};
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