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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 "nv50.h"
#include "channv50.h"
static void
g84_fifo_uevent_fini(struct nvkm_fifo *fifo)
{
struct nvkm_device *device = fifo->engine.subdev.device;
nvkm_mask(device, 0x002140, 0x40000000, 0x00000000);
}
static void
g84_fifo_uevent_init(struct nvkm_fifo *fifo)
{
struct nvkm_device *device = fifo->engine.subdev.device;
nvkm_mask(device, 0x002140, 0x40000000, 0x40000000);
}
static struct nvkm_engine *
g84_fifo_id_engine(struct nvkm_fifo *fifo, int engi)
{
struct nvkm_device *device = fifo->engine.subdev.device;
struct nvkm_engine *engine;
enum nvkm_subdev_type type;
switch (engi) {
case G84_FIFO_ENGN_SW : type = NVKM_ENGINE_SW; break;
case G84_FIFO_ENGN_GR : type = NVKM_ENGINE_GR; break;
case G84_FIFO_ENGN_MPEG :
if ((engine = nvkm_device_engine(device, NVKM_ENGINE_MSPPP, 0)))
return engine;
type = NVKM_ENGINE_MPEG;
break;
case G84_FIFO_ENGN_ME :
if ((engine = nvkm_device_engine(device, NVKM_ENGINE_CE, 0)))
return engine;
type = NVKM_ENGINE_ME;
break;
case G84_FIFO_ENGN_VP :
if ((engine = nvkm_device_engine(device, NVKM_ENGINE_MSPDEC, 0)))
return engine;
type = NVKM_ENGINE_VP;
break;
case G84_FIFO_ENGN_CIPHER:
if ((engine = nvkm_device_engine(device, NVKM_ENGINE_VIC, 0)))
return engine;
if ((engine = nvkm_device_engine(device, NVKM_ENGINE_SEC, 0)))
return engine;
type = NVKM_ENGINE_CIPHER;
break;
case G84_FIFO_ENGN_BSP :
if ((engine = nvkm_device_engine(device, NVKM_ENGINE_MSVLD, 0)))
return engine;
type = NVKM_ENGINE_BSP;
break;
case G84_FIFO_ENGN_DMA : type = NVKM_ENGINE_DMAOBJ; break;
default:
WARN_ON(1);
return NULL;
}
return nvkm_device_engine(fifo->engine.subdev.device, type, 0);
}
static int
g84_fifo_engine_id(struct nvkm_fifo *base, struct nvkm_engine *engine)
{
switch (engine->subdev.type) {
case NVKM_ENGINE_SW : return G84_FIFO_ENGN_SW;
case NVKM_ENGINE_GR : return G84_FIFO_ENGN_GR;
case NVKM_ENGINE_MPEG :
case NVKM_ENGINE_MSPPP : return G84_FIFO_ENGN_MPEG;
case NVKM_ENGINE_CE : return G84_FIFO_ENGN_CE0;
case NVKM_ENGINE_VP :
case NVKM_ENGINE_MSPDEC: return G84_FIFO_ENGN_VP;
case NVKM_ENGINE_CIPHER:
case NVKM_ENGINE_SEC : return G84_FIFO_ENGN_CIPHER;
case NVKM_ENGINE_BSP :
case NVKM_ENGINE_MSVLD : return G84_FIFO_ENGN_BSP;
case NVKM_ENGINE_DMAOBJ: return G84_FIFO_ENGN_DMA;
default:
WARN_ON(1);
return -1;
}
}
static const struct nvkm_fifo_func
g84_fifo = {
.dtor = nv50_fifo_dtor,
.oneinit = nv50_fifo_oneinit,
.init = nv50_fifo_init,
.intr = nv04_fifo_intr,
.engine_id = g84_fifo_engine_id,
.id_engine = g84_fifo_id_engine,
.pause = nv04_fifo_pause,
.start = nv04_fifo_start,
.uevent_init = g84_fifo_uevent_init,
.uevent_fini = g84_fifo_uevent_fini,
.chan = {
&g84_fifo_gpfifo_oclass,
NULL
},
};
int
g84_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
struct nvkm_fifo **pfifo)
{
return nv50_fifo_new_(&g84_fifo, device, type, inst, pfifo);
}
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