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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
*/
#define nv44_mpeg(p) container_of((p), struct nv44_mpeg, engine)
#include "priv.h"
#include <core/client.h>
#include <core/gpuobj.h>
#include <engine/fifo.h>
#include <nvif/class.h>
struct nv44_mpeg {
struct nvkm_engine engine;
struct list_head chan;
};
/*******************************************************************************
* PMPEG context
******************************************************************************/
#define nv44_mpeg_chan(p) container_of((p), struct nv44_mpeg_chan, object)
struct nv44_mpeg_chan {
struct nvkm_object object;
struct nv44_mpeg *mpeg;
struct nvkm_fifo_chan *fifo;
struct list_head head;
u32 inst;
};
static int
nv44_mpeg_chan_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent,
int align, struct nvkm_gpuobj **pgpuobj)
{
struct nv44_mpeg_chan *chan = nv44_mpeg_chan(object);
int ret = nvkm_gpuobj_new(chan->object.engine->subdev.device, 264 * 4,
align, true, parent, pgpuobj);
if (ret == 0) {
chan->inst = (*pgpuobj)->addr;
nvkm_kmap(*pgpuobj);
nvkm_wo32(*pgpuobj, 0x78, 0x02001ec1);
nvkm_done(*pgpuobj);
}
return ret;
}
static int
nv44_mpeg_chan_fini(struct nvkm_object *object, bool suspend)
{
struct nv44_mpeg_chan *chan = nv44_mpeg_chan(object);
struct nv44_mpeg *mpeg = chan->mpeg;
struct nvkm_device *device = mpeg->engine.subdev.device;
u32 inst = 0x80000000 | (chan->inst >> 4);
nvkm_mask(device, 0x00b32c, 0x00000001, 0x00000000);
if (nvkm_rd32(device, 0x00b318) == inst)
nvkm_mask(device, 0x00b318, 0x80000000, 0x00000000);
nvkm_mask(device, 0x00b32c, 0x00000001, 0x00000001);
return 0;
}
static void *
nv44_mpeg_chan_dtor(struct nvkm_object *object)
{
struct nv44_mpeg_chan *chan = nv44_mpeg_chan(object);
struct nv44_mpeg *mpeg = chan->mpeg;
unsigned long flags;
spin_lock_irqsave(&mpeg->engine.lock, flags);
list_del(&chan->head);
spin_unlock_irqrestore(&mpeg->engine.lock, flags);
return chan;
}
static const struct nvkm_object_func
nv44_mpeg_chan = {
.dtor = nv44_mpeg_chan_dtor,
.fini = nv44_mpeg_chan_fini,
.bind = nv44_mpeg_chan_bind,
};
static int
nv44_mpeg_chan_new(struct nvkm_fifo_chan *fifoch,
const struct nvkm_oclass *oclass,
struct nvkm_object **pobject)
{
struct nv44_mpeg *mpeg = nv44_mpeg(oclass->engine);
struct nv44_mpeg_chan *chan;
unsigned long flags;
if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
return -ENOMEM;
nvkm_object_ctor(&nv44_mpeg_chan, oclass, &chan->object);
chan->mpeg = mpeg;
chan->fifo = fifoch;
*pobject = &chan->object;
spin_lock_irqsave(&mpeg->engine.lock, flags);
list_add(&chan->head, &mpeg->chan);
spin_unlock_irqrestore(&mpeg->engine.lock, flags);
return 0;
}
/*******************************************************************************
* PMPEG engine/subdev functions
******************************************************************************/
static bool
nv44_mpeg_mthd(struct nvkm_device *device, u32 mthd, u32 data)
{
switch (mthd) {
case 0x190:
case 0x1a0:
case 0x1b0:
return nv40_mpeg_mthd_dma(device, mthd, data);
default:
break;
}
return false;
}
static void
nv44_mpeg_intr(struct nvkm_engine *engine)
{
struct nv44_mpeg *mpeg = nv44_mpeg(engine);
struct nvkm_subdev *subdev = &mpeg->engine.subdev;
struct nvkm_device *device = subdev->device;
struct nv44_mpeg_chan *temp, *chan = NULL;
unsigned long flags;
u32 inst = nvkm_rd32(device, 0x00b318) & 0x000fffff;
u32 stat = nvkm_rd32(device, 0x00b100);
u32 type = nvkm_rd32(device, 0x00b230);
u32 mthd = nvkm_rd32(device, 0x00b234);
u32 data = nvkm_rd32(device, 0x00b238);
u32 show = stat;
spin_lock_irqsave(&mpeg->engine.lock, flags);
list_for_each_entry(temp, &mpeg->chan, head) {
if (temp->inst >> 4 == inst) {
chan = temp;
list_del(&chan->head);
list_add(&chan->head, &mpeg->chan);
break;
}
}
if (stat & 0x01000000) {
/* happens on initial binding of the object */
if (type == 0x00000020 && mthd == 0x0000) {
nvkm_mask(device, 0x00b308, 0x00000000, 0x00000000);
show &= ~0x01000000;
}
if (type == 0x00000010) {
if (nv44_mpeg_mthd(subdev->device, mthd, data))
show &= ~0x01000000;
}
}
nvkm_wr32(device, 0x00b100, stat);
nvkm_wr32(device, 0x00b230, 0x00000001);
if (show) {
nvkm_error(subdev, "ch %d [%08x %s] %08x %08x %08x %08x\n",
chan ? chan->fifo->chid : -1, inst << 4,
chan ? chan->object.client->name : "unknown",
stat, type, mthd, data);
}
spin_unlock_irqrestore(&mpeg->engine.lock, flags);
}
static const struct nvkm_engine_func
nv44_mpeg = {
.init = nv31_mpeg_init,
.intr = nv44_mpeg_intr,
.tile = nv31_mpeg_tile,
.fifo.cclass = nv44_mpeg_chan_new,
.sclass = {
{ -1, -1, NV31_MPEG, &nv31_mpeg_object },
{}
}
};
int
nv44_mpeg_new(struct nvkm_device *device, int index, struct nvkm_engine **pmpeg)
{
struct nv44_mpeg *mpeg;
if (!(mpeg = kzalloc(sizeof(*mpeg), GFP_KERNEL)))
return -ENOMEM;
INIT_LIST_HEAD(&mpeg->chan);
*pmpeg = &mpeg->engine;
return nvkm_engine_ctor(&nv44_mpeg, device, index, true, &mpeg->engine);
}
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