/*
* 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 "priv.h"
#include <core/gpuobj.h>
#include <core/object.h>
#include <subdev/timer.h>
#include <nvif/class .h>
/*******************************************************************************
* PMPEG context
******************************************************************************/
static int
nv50_mpeg_cclass_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent,
int align, struct nvkm_gpuobj **pgpuobj)
{
int ret = nvkm_gpuobj_new(object->engine->subdev.device, 128 * 4 ,
align, true , parent, pgpuobj);
if (ret == 0 ) {
nvkm_kmap(*pgpuobj);
nvkm_wo32(*pgpuobj, 0 x70, 0 x00801ec1);
nvkm_wo32(*pgpuobj, 0 x7c, 0 x0000037c);
nvkm_done(*pgpuobj);
}
return ret;
}
const struct nvkm_object_func
nv50_mpeg_cclass = {
.bind = nv50_mpeg_cclass_bind,
};
/*******************************************************************************
* PMPEG engine / subdev functions
******************************************************************************/
void
nv50_mpeg_intr(struct nvkm_engine *mpeg)
{
struct nvkm_subdev *subdev = &mpeg->subdev;
struct nvkm_device *device = subdev->device;
u32 stat = nvkm_rd32(device, 0 x00b100);
u32 type = nvkm_rd32(device, 0 x00b230);
u32 mthd = nvkm_rd32(device, 0 x00b234);
u32 data = nvkm_rd32(device, 0 x00b238);
u32 show = stat;
if (stat & 0 x01000000) {
/* happens on initial binding of the object */
if (type == 0 x00000020 && mthd == 0 x0000) {
nvkm_wr32(device, 0 x00b308, 0 x00000100);
show &= ~0 x01000000;
}
}
if (show) {
nvkm_info(subdev, "%08x %08x %08x %08x\n" ,
stat, type, mthd, data);
}
nvkm_wr32(device, 0 x00b100, stat);
nvkm_wr32(device, 0 x00b230, 0 x00000001);
}
int
nv50_mpeg_init(struct nvkm_engine *mpeg)
{
struct nvkm_subdev *subdev = &mpeg->subdev;
struct nvkm_device *device = subdev->device;
nvkm_wr32(device, 0 x00b32c, 0 x00000000);
nvkm_wr32(device, 0 x00b314, 0 x00000100);
nvkm_wr32(device, 0 x00b0e0, 0 x0000001a);
nvkm_wr32(device, 0 x00b220, 0 x00000044);
nvkm_wr32(device, 0 x00b300, 0 x00801ec1);
nvkm_wr32(device, 0 x00b390, 0 x00000000);
nvkm_wr32(device, 0 x00b394, 0 x00000000);
nvkm_wr32(device, 0 x00b398, 0 x00000000);
nvkm_mask(device, 0 x00b32c, 0 x00000001, 0 x00000001);
nvkm_wr32(device, 0 x00b100, 0 xffffffff);
nvkm_wr32(device, 0 x00b140, 0 xffffffff);
if (nvkm_msec(device, 2000 ,
if (!(nvkm_rd32(device, 0 x00b200) & 0 x00000001))
break ;
) < 0 ) {
nvkm_error(subdev, "timeout %08x\n" ,
nvkm_rd32(device, 0 x00b200));
return -EBUSY;
}
return 0 ;
}
static const struct nvkm_engine_func
nv50_mpeg = {
.init = nv50_mpeg_init,
.intr = nv50_mpeg_intr,
.cclass = &nv50_mpeg_cclass,
.sclass = {
{ -1 , -1 , NV31_MPEG, &nv31_mpeg_object },
{}
}
};
int
nv50_mpeg_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
struct nvkm_engine **pmpeg)
{
return nvkm_engine_new_(&nv50_mpeg, device, type, inst, true , pmpeg);
}
Messung V0.5 in Prozent C=98 H=100 G=98
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-10-06)
¤
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