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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 <engine/mpeg.h>
#include <subdev/bar.h>
#include <subdev/timer.h>
struct nv50_mpeg_priv {
struct nvkm_mpeg base;
};
struct nv50_mpeg_chan {
struct nvkm_mpeg_chan base;
};
/*******************************************************************************
* MPEG object classes
******************************************************************************/
static int
nv50_mpeg_object_ctor(struct nvkm_object *parent,
struct nvkm_object *engine,
struct nvkm_oclass *oclass, void *data, u32 size,
struct nvkm_object **pobject)
{
struct nvkm_gpuobj *obj;
int ret;
ret = nvkm_gpuobj_create(parent, engine, oclass, 0, parent,
16, 16, 0, &obj);
*pobject = nv_object(obj);
if (ret)
return ret;
nv_wo32(obj, 0x00, nv_mclass(obj));
nv_wo32(obj, 0x04, 0x00000000);
nv_wo32(obj, 0x08, 0x00000000);
nv_wo32(obj, 0x0c, 0x00000000);
return 0;
}
struct nvkm_ofuncs
nv50_mpeg_ofuncs = {
.ctor = nv50_mpeg_object_ctor,
.dtor = _nvkm_gpuobj_dtor,
.init = _nvkm_gpuobj_init,
.fini = _nvkm_gpuobj_fini,
.rd32 = _nvkm_gpuobj_rd32,
.wr32 = _nvkm_gpuobj_wr32,
};
static struct nvkm_oclass
nv50_mpeg_sclass[] = {
{ 0x3174, &nv50_mpeg_ofuncs },
{}
};
/*******************************************************************************
* PMPEG context
******************************************************************************/
int
nv50_mpeg_context_ctor(struct nvkm_object *parent,
struct nvkm_object *engine,
struct nvkm_oclass *oclass, void *data, u32 size,
struct nvkm_object **pobject)
{
struct nvkm_bar *bar = nvkm_bar(parent);
struct nv50_mpeg_chan *chan;
int ret;
ret = nvkm_mpeg_context_create(parent, engine, oclass, NULL, 128 * 4,
0, NVOBJ_FLAG_ZERO_ALLOC, &chan);
*pobject = nv_object(chan);
if (ret)
return ret;
nv_wo32(chan, 0x0070, 0x00801ec1);
nv_wo32(chan, 0x007c, 0x0000037c);
bar->flush(bar);
return 0;
}
static struct nvkm_oclass
nv50_mpeg_cclass = {
.handle = NV_ENGCTX(MPEG, 0x50),
.ofuncs = &(struct nvkm_ofuncs) {
.ctor = nv50_mpeg_context_ctor,
.dtor = _nvkm_mpeg_context_dtor,
.init = _nvkm_mpeg_context_init,
.fini = _nvkm_mpeg_context_fini,
.rd32 = _nvkm_mpeg_context_rd32,
.wr32 = _nvkm_mpeg_context_wr32,
},
};
/*******************************************************************************
* PMPEG engine/subdev functions
******************************************************************************/
void
nv50_mpeg_intr(struct nvkm_subdev *subdev)
{
struct nv50_mpeg_priv *priv = (void *)subdev;
u32 stat = nv_rd32(priv, 0x00b100);
u32 type = nv_rd32(priv, 0x00b230);
u32 mthd = nv_rd32(priv, 0x00b234);
u32 data = nv_rd32(priv, 0x00b238);
u32 show = stat;
if (stat & 0x01000000) {
/* happens on initial binding of the object */
if (type == 0x00000020 && mthd == 0x0000) {
nv_wr32(priv, 0x00b308, 0x00000100);
show &= ~0x01000000;
}
}
if (show) {
nv_info(priv, "0x%08x 0x%08x 0x%08x 0x%08x\n",
stat, type, mthd, data);
}
nv_wr32(priv, 0x00b100, stat);
nv_wr32(priv, 0x00b230, 0x00000001);
}
static void
nv50_vpe_intr(struct nvkm_subdev *subdev)
{
struct nv50_mpeg_priv *priv = (void *)subdev;
if (nv_rd32(priv, 0x00b100))
nv50_mpeg_intr(subdev);
if (nv_rd32(priv, 0x00b800)) {
u32 stat = nv_rd32(priv, 0x00b800);
nv_info(priv, "PMSRCH: 0x%08x\n", stat);
nv_wr32(priv, 0xb800, stat);
}
}
static int
nv50_mpeg_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
struct nvkm_oclass *oclass, void *data, u32 size,
struct nvkm_object **pobject)
{
struct nv50_mpeg_priv *priv;
int ret;
ret = nvkm_mpeg_create(parent, engine, oclass, &priv);
*pobject = nv_object(priv);
if (ret)
return ret;
nv_subdev(priv)->unit = 0x00400002;
nv_subdev(priv)->intr = nv50_vpe_intr;
nv_engine(priv)->cclass = &nv50_mpeg_cclass;
nv_engine(priv)->sclass = nv50_mpeg_sclass;
return 0;
}
int
nv50_mpeg_init(struct nvkm_object *object)
{
struct nv50_mpeg_priv *priv = (void *)object;
int ret;
ret = nvkm_mpeg_init(&priv->base);
if (ret)
return ret;
nv_wr32(priv, 0x00b32c, 0x00000000);
nv_wr32(priv, 0x00b314, 0x00000100);
nv_wr32(priv, 0x00b0e0, 0x0000001a);
nv_wr32(priv, 0x00b220, 0x00000044);
nv_wr32(priv, 0x00b300, 0x00801ec1);
nv_wr32(priv, 0x00b390, 0x00000000);
nv_wr32(priv, 0x00b394, 0x00000000);
nv_wr32(priv, 0x00b398, 0x00000000);
nv_mask(priv, 0x00b32c, 0x00000001, 0x00000001);
nv_wr32(priv, 0x00b100, 0xffffffff);
nv_wr32(priv, 0x00b140, 0xffffffff);
if (!nv_wait(priv, 0x00b200, 0x00000001, 0x00000000)) {
nv_error(priv, "timeout 0x%08x\n", nv_rd32(priv, 0x00b200));
return -EBUSY;
}
return 0;
}
struct nvkm_oclass
nv50_mpeg_oclass = {
.handle = NV_ENGINE(MPEG, 0x50),
.ofuncs = &(struct nvkm_ofuncs) {
.ctor = nv50_mpeg_ctor,
.dtor = _nvkm_mpeg_dtor,
.init = nv50_mpeg_init,
.fini = _nvkm_mpeg_fini,
},
};
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