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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 <core/client.h>
#include <core/handle.h>
#include <engine/fifo.h>
struct nv44_mpeg_priv {
struct nvkm_mpeg base;
};
struct nv44_mpeg_chan {
struct nvkm_mpeg_chan base;
};
/*******************************************************************************
* PMPEG context
******************************************************************************/
static int
nv44_mpeg_context_ctor(struct nvkm_object *parent,
struct nvkm_object *engine,
struct nvkm_oclass *oclass, void *data, u32 size,
struct nvkm_object **pobject)
{
struct nv44_mpeg_chan *chan;
int ret;
ret = nvkm_mpeg_context_create(parent, engine, oclass, NULL, 264 * 4,
16, NVOBJ_FLAG_ZERO_ALLOC, &chan);
*pobject = nv_object(chan);
if (ret)
return ret;
nv_wo32(&chan->base.base, 0x78, 0x02001ec1);
return 0;
}
static int
nv44_mpeg_context_fini(struct nvkm_object *object, bool suspend)
{
struct nv44_mpeg_priv *priv = (void *)object->engine;
struct nv44_mpeg_chan *chan = (void *)object;
u32 inst = 0x80000000 | nv_gpuobj(chan)->addr >> 4;
nv_mask(priv, 0x00b32c, 0x00000001, 0x00000000);
if (nv_rd32(priv, 0x00b318) == inst)
nv_mask(priv, 0x00b318, 0x80000000, 0x00000000);
nv_mask(priv, 0x00b32c, 0x00000001, 0x00000001);
return 0;
}
static struct nvkm_oclass
nv44_mpeg_cclass = {
.handle = NV_ENGCTX(MPEG, 0x44),
.ofuncs = &(struct nvkm_ofuncs) {
.ctor = nv44_mpeg_context_ctor,
.dtor = _nvkm_mpeg_context_dtor,
.init = _nvkm_mpeg_context_init,
.fini = nv44_mpeg_context_fini,
.rd32 = _nvkm_mpeg_context_rd32,
.wr32 = _nvkm_mpeg_context_wr32,
},
};
/*******************************************************************************
* PMPEG engine/subdev functions
******************************************************************************/
static void
nv44_mpeg_intr(struct nvkm_subdev *subdev)
{
struct nvkm_fifo *fifo = nvkm_fifo(subdev);
struct nvkm_engine *engine = nv_engine(subdev);
struct nvkm_object *engctx;
struct nvkm_handle *handle;
struct nv44_mpeg_priv *priv = (void *)subdev;
u32 inst = nv_rd32(priv, 0x00b318) & 0x000fffff;
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;
int chid;
engctx = nvkm_engctx_get(engine, inst);
chid = fifo->chid(fifo, engctx);
if (stat & 0x01000000) {
/* happens on initial binding of the object */
if (type == 0x00000020 && mthd == 0x0000) {
nv_mask(priv, 0x00b308, 0x00000000, 0x00000000);
show &= ~0x01000000;
}
if (type == 0x00000010) {
handle = nvkm_handle_get_class(engctx, 0x3174);
if (handle && !nv_call(handle->object, mthd, data))
show &= ~0x01000000;
nvkm_handle_put(handle);
}
}
nv_wr32(priv, 0x00b100, stat);
nv_wr32(priv, 0x00b230, 0x00000001);
if (show) {
nv_error(priv,
"ch %d [0x%08x %s] 0x%08x 0x%08x 0x%08x 0x%08x\n",
chid, inst << 4, nvkm_client_name(engctx), stat,
type, mthd, data);
}
nvkm_engctx_put(engctx);
}
static void
nv44_mpeg_me_intr(struct nvkm_subdev *subdev)
{
struct nv44_mpeg_priv *priv = (void *)subdev;
u32 stat;
if ((stat = nv_rd32(priv, 0x00b100)))
nv44_mpeg_intr(subdev);
if ((stat = nv_rd32(priv, 0x00b800))) {
nv_error(priv, "PMSRCH 0x%08x\n", stat);
nv_wr32(priv, 0x00b800, stat);
}
}
static int
nv44_mpeg_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
struct nvkm_oclass *oclass, void *data, u32 size,
struct nvkm_object **pobject)
{
struct nv44_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 = 0x00000002;
nv_subdev(priv)->intr = nv44_mpeg_me_intr;
nv_engine(priv)->cclass = &nv44_mpeg_cclass;
nv_engine(priv)->sclass = nv40_mpeg_sclass;
nv_engine(priv)->tile_prog = nv31_mpeg_tile_prog;
return 0;
}
struct nvkm_oclass
nv44_mpeg_oclass = {
.handle = NV_ENGINE(MPEG, 0x44),
.ofuncs = &(struct nvkm_ofuncs) {
.ctor = nv44_mpeg_ctor,
.dtor = _nvkm_mpeg_dtor,
.init = nv31_mpeg_init,
.fini = _nvkm_mpeg_fini,
},
};
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