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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 "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, 0x70, 0x00801ec1);
nvkm_wo32(*pgpuobj, 0x7c, 0x0000037c);
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, 0x00b100);
u32 type = nvkm_rd32(device, 0x00b230);
u32 mthd = nvkm_rd32(device, 0x00b234);
u32 data = nvkm_rd32(device, 0x00b238);
u32 show = stat;
if (stat & 0x01000000) {
/* happens on initial binding of the object */
if (type == 0x00000020 && mthd == 0x0000) {
nvkm_wr32(device, 0x00b308, 0x00000100);
show &= ~0x01000000;
}
}
if (show) {
nvkm_info(subdev, "%08x %08x %08x %08x\n",
stat, type, mthd, data);
}
nvkm_wr32(device, 0x00b100, stat);
nvkm_wr32(device, 0x00b230, 0x00000001);
}
int
nv50_mpeg_init(struct nvkm_engine *mpeg)
{
struct nvkm_subdev *subdev = &mpeg->subdev;
struct nvkm_device *device = subdev->device;
nvkm_wr32(device, 0x00b32c, 0x00000000);
nvkm_wr32(device, 0x00b314, 0x00000100);
nvkm_wr32(device, 0x00b0e0, 0x0000001a);
nvkm_wr32(device, 0x00b220, 0x00000044);
nvkm_wr32(device, 0x00b300, 0x00801ec1);
nvkm_wr32(device, 0x00b390, 0x00000000);
nvkm_wr32(device, 0x00b394, 0x00000000);
nvkm_wr32(device, 0x00b398, 0x00000000);
nvkm_mask(device, 0x00b32c, 0x00000001, 0x00000001);
nvkm_wr32(device, 0x00b100, 0xffffffff);
nvkm_wr32(device, 0x00b140, 0xffffffff);
if (nvkm_msec(device, 2000,
if (!(nvkm_rd32(device, 0x00b200) & 0x00000001))
break;
) < 0) {
nvkm_error(subdev, "timeout %08x\n",
nvkm_rd32(device, 0x00b200));
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);
}
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