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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 "channv04.h"
#include "regsnv04.h"
#include <core/ramht.h>
#include <subdev/instmem.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 },
{}
};
static int
nv17_fifo_init(struct nvkm_object *object)
{
struct nv04_fifo *fifo = (void *)object;
struct nvkm_device *device = fifo->base.engine.subdev.device;
struct nvkm_instmem *imem = device->imem;
struct nvkm_ramht *ramht = imem->ramht;
struct nvkm_memory *ramro = imem->ramro;
struct nvkm_memory *ramfc = imem->ramfc;
int ret;
ret = nvkm_fifo_init(&fifo->base);
if (ret)
return ret;
nvkm_wr32(device, NV04_PFIFO_DELAY_0, 0x000000ff);
nvkm_wr32(device, NV04_PFIFO_DMA_TIMESLICE, 0x0101ffff);
nvkm_wr32(device, NV03_PFIFO_RAMHT, (0x03 << 24) /* search 128 */ |
((ramht->bits - 9) << 16) |
(ramht->gpuobj->addr >> 8));
nvkm_wr32(device, NV03_PFIFO_RAMRO, nvkm_memory_addr(ramro) >> 8);
nvkm_wr32(device, NV03_PFIFO_RAMFC, nvkm_memory_addr(ramfc) >> 8 |
0x00010000);
nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH1, fifo->base.nr - 1);
nvkm_wr32(device, NV03_PFIFO_INTR_0, 0xffffffff);
nvkm_wr32(device, NV03_PFIFO_INTR_EN_0, 0xffffffff);
nvkm_wr32(device, NV03_PFIFO_CACHE1_PUSH0, 1);
nvkm_wr32(device, NV04_PFIFO_CACHE1_PULL0, 1);
nvkm_wr32(device, NV03_PFIFO_CACHES, 1);
return 0;
}
static const struct nvkm_fifo_func
nv17_fifo_func = {
.chan = {
&nv17_fifo_dma_oclass,
NULL
},
};
static int
nv17_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
struct nvkm_oclass *oclass, void *data, u32 size,
struct nvkm_object **pobject)
{
struct nv04_fifo *fifo;
int ret;
ret = nvkm_fifo_create(parent, engine, oclass, 0, 31, &fifo);
*pobject = nv_object(fifo);
if (ret)
return ret;
fifo->base.func = &nv17_fifo_func;
nv_subdev(fifo)->unit = 0x00000100;
nv_subdev(fifo)->intr = nv04_fifo_intr;
fifo->base.pause = nv04_fifo_pause;
fifo->base.start = nv04_fifo_start;
fifo->ramfc_desc = nv17_ramfc;
return 0;
}
struct nvkm_oclass *
nv17_fifo_oclass = &(struct nvkm_oclass) {
.handle = NV_ENGINE(FIFO, 0x17),
.ofuncs = &(struct nvkm_ofuncs) {
.ctor = nv17_fifo_ctor,
.dtor = nv04_fifo_dtor,
.init = nv17_fifo_init,
.fini = _nvkm_fifo_fini,
},
};
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