/*
* 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 "priv.h"
#include "cgrp.h"
#include "chan.h"
#include "chid.h"
#include "runl.h"
#include "regsnv04.h"
#include <core/ramht.h>
#include <subdev/fb.h>
#include <subdev/instmem.h>
#include <nvif/class .h>
static int
nv40_chan_ramfc_write(struct nvkm_chan *chan, u64 offset, u64 length, u32 devm, bool priv)
{
struct nvkm_memory *ramfc = chan->cgrp->runl->fifo->engine.subdev.device->imem->ramfc;
const u32 base = chan->id * 128 ;
chan->ramfc_offset = base;
nvkm_kmap(ramfc);
nvkm_wo32(ramfc, base + 0 x00, offset);
nvkm_wo32(ramfc, base + 0 x04, offset);
nvkm_wo32(ramfc, base + 0 x0c, chan->push->addr >> 4 );
nvkm_wo32(ramfc, base + 0 x18, 0 x30000000 |
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_wo32(ramfc, base + 0 x3c, 0 x0001ffff);
nvkm_done(ramfc);
return 0 ;
}
static const struct nvkm_chan_func_ramfc
nv40_chan_ramfc = {
.layout = (const struct nvkm_ramfc_layout[]) {
{ 32 , 0 , 0 x00, 0 , NV04_PFIFO_CACHE1_DMA_PUT },
{ 32 , 0 , 0 x04, 0 , NV04_PFIFO_CACHE1_DMA_GET },
{ 32 , 0 , 0 x08, 0 , NV10_PFIFO_CACHE1_REF_CNT },
{ 32 , 0 , 0 x0c, 0 , NV04_PFIFO_CACHE1_DMA_INSTANCE },
{ 32 , 0 , 0 x10, 0 , NV04_PFIFO_CACHE1_DMA_DCOUNT },
{ 32 , 0 , 0 x14, 0 , NV04_PFIFO_CACHE1_DMA_STATE },
{ 28 , 0 , 0 x18, 0 , NV04_PFIFO_CACHE1_DMA_FETCH },
{ 2 , 28 , 0 x18, 28 , 0 x002058 },
{ 32 , 0 , 0 x1c, 0 , NV04_PFIFO_CACHE1_ENGINE },
{ 32 , 0 , 0 x20, 0 , NV04_PFIFO_CACHE1_PULL1 },
{ 32 , 0 , 0 x24, 0 , NV10_PFIFO_CACHE1_ACQUIRE_VALUE },
{ 32 , 0 , 0 x28, 0 , NV10_PFIFO_CACHE1_ACQUIRE_TIMESTAMP },
{ 32 , 0 , 0 x2c, 0 , NV10_PFIFO_CACHE1_ACQUIRE_TIMEOUT },
{ 32 , 0 , 0 x30, 0 , NV10_PFIFO_CACHE1_SEMAPHORE },
{ 32 , 0 , 0 x34, 0 , NV10_PFIFO_CACHE1_DMA_SUBROUTINE },
{ 32 , 0 , 0 x38, 0 , NV40_PFIFO_GRCTX_INSTANCE },
{ 17 , 0 , 0 x3c, 0 , NV04_PFIFO_DMA_TIMESLICE },
{ 32 , 0 , 0 x40, 0 , 0 x0032e4 },
{ 32 , 0 , 0 x44, 0 , 0 x0032e8 },
{ 32 , 0 , 0 x4c, 0 , 0 x002088 },
{ 32 , 0 , 0 x50, 0 , 0 x003300 },
{ 32 , 0 , 0 x54, 0 , 0 x00330c },
{}
},
.write = nv40_chan_ramfc_write,
.clear = nv04_chan_ramfc_clear,
.ctxdma = true ,
};
static const struct nvkm_chan_func_userd
nv40_chan_userd = {
.bar = NVKM_BAR0_PRI,
.base = 0 xc00000,
.size = 0 x001000,
};
static const struct nvkm_chan_func
nv40_chan = {
.inst = &nv04_chan_inst,
.userd = &nv40_chan_userd,
.ramfc = &nv40_chan_ramfc,
.start = nv04_chan_start,
.stop = nv04_chan_stop,
};
static int
nv40_eobj_ramht_add(struct nvkm_engn *engn, struct nvkm_object *eobj, struct nvkm_chan *chan)
{
struct nvkm_fifo *fifo = chan->cgrp->runl->fifo;
struct nvkm_instmem *imem = fifo->engine.subdev.device->imem;
u32 context = chan->id << 23 | engn->id << 20 ;
int hash;
mutex_lock(&fifo->mutex);
hash = nvkm_ramht_insert(imem->ramht, eobj, chan->id, 4 , eobj->handle, context);
mutex_unlock(&fifo->mutex);
return hash;
}
static void
nv40_ectx_bind(struct nvkm_engn *engn, struct nvkm_cctx *cctx, struct nvkm_chan *chan)
{
struct nvkm_fifo *fifo = chan->cgrp->runl->fifo;
struct nvkm_device *device = fifo->engine.subdev.device;
struct nvkm_memory *ramfc = device->imem->ramfc;
u32 inst = 0 x00000000, reg, ctx;
int chid;
switch (engn->engine->subdev.type) {
case NVKM_ENGINE_GR:
reg = 0 x0032e0;
ctx = 0 x38;
break ;
case NVKM_ENGINE_MPEG:
if (WARN_ON(device->chipset < 0 x44))
return ;
reg = 0 x00330c;
ctx = 0 x54;
break ;
default :
WARN_ON(1 );
return ;
}
if (cctx)
inst = cctx->vctx->inst->addr >> 4 ;
spin_lock_irq(&fifo->lock);
nvkm_mask(device, 0 x002500, 0 x00000001, 0 x00000000);
chid = nvkm_rd32(device, 0 x003204) & (fifo->chid->nr - 1 );
if (chid == chan->id)
nvkm_wr32(device, reg, inst);
nvkm_kmap(ramfc);
nvkm_wo32(ramfc, chan->ramfc_offset + ctx, inst);
nvkm_done(ramfc);
nvkm_mask(device, 0 x002500, 0 x00000001, 0 x00000001);
spin_unlock_irq(&fifo->lock);
}
static const struct nvkm_engn_func
nv40_engn = {
.bind = nv40_ectx_bind,
.ramht_add = nv40_eobj_ramht_add,
.ramht_del = nv04_eobj_ramht_del,
};
static const struct nvkm_engn_func
nv40_engn_sw = {
.ramht_add = nv40_eobj_ramht_add,
.ramht_del = nv04_eobj_ramht_del,
};
static void
nv40_fifo_init(struct nvkm_fifo *fifo)
{
struct nvkm_device *device = fifo->engine.subdev.device;
struct nvkm_fb *fb = device->fb;
struct nvkm_instmem *imem = device->imem;
struct nvkm_ramht *ramht = imem->ramht;
struct nvkm_memory *ramro = imem->ramro;
struct nvkm_memory *ramfc = imem->ramfc;
nvkm_wr32(device, 0 x002040, 0 x000000ff);
nvkm_wr32(device, 0 x002044, 0 x2101ffff);
nvkm_wr32(device, 0 x002058, 0 x00000001);
nvkm_wr32(device, NV03_PFIFO_RAMHT, (0 x03 << 24 ) /* search 128 */ |
((ramht->bits - 9 ) << 16 ) |
(ramht->gpuobj->addr >> 8 ));
nvkm_wr32(device, NV03_PFIFO_RAMRO, nvkm_memory_addr(ramro) >> 8 );
switch (device->chipset) {
case 0 x47:
case 0 x49:
case 0 x4b:
nvkm_wr32(device, 0 x002230, 0 x00000001);
fallthrough;
case 0 x40:
case 0 x41:
case 0 x42:
case 0 x43:
case 0 x45:
case 0 x48:
nvkm_wr32(device, 0 x002220, 0 x00030002);
break ;
default :
nvkm_wr32(device, 0 x002230, 0 x00000000);
nvkm_wr32(device, 0 x002220, ((fb->ram->size - 512 * 1024 +
nvkm_memory_addr(ramfc)) >> 16 ) |
0 x00030000);
break ;
}
nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH1, fifo->chid->mask);
nvkm_wr32(device, NV03_PFIFO_INTR_0, 0 xffffffff);
nvkm_wr32(device, NV03_PFIFO_INTR_EN_0, 0 xffffffff);
nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH0, 1 );
nvkm_wr32(device, NV04_PFIFO_CACHE1_PULL0, 1 );
nvkm_wr32(device, NV03_PFIFO_CACHES, 1 );
}
static const struct nvkm_fifo_func
nv40_fifo = {
.chid_nr = nv10_fifo_chid_nr,
.chid_ctor = nv04_fifo_chid_ctor,
.runl_ctor = nv04_fifo_runl_ctor,
.init = nv40_fifo_init,
.intr = nv04_fifo_intr,
.pause = nv04_fifo_pause,
.start = nv04_fifo_start,
.runl = &nv04_runl,
.engn = &nv40_engn,
.engn_sw = &nv40_engn_sw,
.cgrp = {{ }, &nv04_cgrp },
.chan = {{ 0 , 0 , NV40_CHANNEL_DMA }, &nv40_chan },
};
int
nv40_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
struct nvkm_fifo **pfifo)
{
return nvkm_fifo_new_(&nv40_fifo, device, type, inst, pfifo);
}
Messung V0.5 in Prozent C=93 H=95 G=93
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-07)
¤
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