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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 <core/client.h>
#include <core/device.h>
#include <core/gpuobj.h>
#include <nvif/unpack.h>
#include <nvif/class.h>
#include <subdev/fb.h>
#include "priv.h"
struct nvd0_dmaobj_priv {
struct nouveau_dmaobj base;
u32 flags0;
};
static int
nvd0_dmaobj_bind(struct nouveau_dmaobj *dmaobj,
struct nouveau_object *parent,
struct nouveau_gpuobj **pgpuobj)
{
struct nvd0_dmaobj_priv *priv = (void *)dmaobj;
int ret;
if (!nv_iclass(parent, NV_ENGCTX_CLASS)) {
switch (nv_mclass(parent->parent)) {
case GF110_DISP_CORE_CHANNEL_DMA:
case GK104_DISP_CORE_CHANNEL_DMA:
case GK110_DISP_CORE_CHANNEL_DMA:
case GM107_DISP_CORE_CHANNEL_DMA:
case GM204_DISP_CORE_CHANNEL_DMA:
case GF110_DISP_BASE_CHANNEL_DMA:
case GK104_DISP_BASE_CHANNEL_DMA:
case GK110_DISP_BASE_CHANNEL_DMA:
case GF110_DISP_OVERLAY_CONTROL_DMA:
case GK104_DISP_OVERLAY_CONTROL_DMA:
break;
default:
return -EINVAL;
}
} else
return 0;
ret = nouveau_gpuobj_new(parent, parent, 24, 32, 0, pgpuobj);
if (ret == 0) {
nv_wo32(*pgpuobj, 0x00, priv->flags0);
nv_wo32(*pgpuobj, 0x04, priv->base.start >> 8);
nv_wo32(*pgpuobj, 0x08, priv->base.limit >> 8);
nv_wo32(*pgpuobj, 0x0c, 0x00000000);
nv_wo32(*pgpuobj, 0x10, 0x00000000);
nv_wo32(*pgpuobj, 0x14, 0x00000000);
}
return ret;
}
static int
nvd0_dmaobj_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nouveau_dmaeng *dmaeng = (void *)engine;
union {
struct gf110_dma_v0 v0;
} *args;
struct nvd0_dmaobj_priv *priv;
u32 kind, page;
int ret;
ret = nvkm_dmaobj_create(parent, engine, oclass, &data, &size, &priv);
*pobject = nv_object(priv);
if (ret)
return ret;
args = data;
nv_ioctl(parent, "create gf110 dma size %d\n", size);
if (nvif_unpack(args->v0, 0, 0, false)) {
nv_ioctl(parent, "create gf100 dma vers %d page %d kind %02x\n",
args->v0.version, args->v0.page, args->v0.kind);
kind = args->v0.kind;
page = args->v0.page;
} else
if (size == 0) {
if (priv->base.target != NV_MEM_TARGET_VM) {
kind = GF110_DMA_V0_KIND_PITCH;
page = GF110_DMA_V0_PAGE_SP;
} else {
kind = GF110_DMA_V0_KIND_VM;
page = GF110_DMA_V0_PAGE_LP;
}
} else
return ret;
if (page > 1)
return -EINVAL;
priv->flags0 = (kind << 20) | (page << 6);
switch (priv->base.target) {
case NV_MEM_TARGET_VRAM:
priv->flags0 |= 0x00000009;
break;
case NV_MEM_TARGET_VM:
case NV_MEM_TARGET_PCI:
case NV_MEM_TARGET_PCI_NOSNOOP:
/* XXX: don't currently know how to construct a real one
* of these. we only use them to represent pushbufs
* on these chipsets, and the classes that use them
* deal with the target themselves.
*/
break;
default:
return -EINVAL;
}
return dmaeng->bind(&priv->base, nv_object(priv), (void *)pobject);
}
static struct nouveau_ofuncs
nvd0_dmaobj_ofuncs = {
.ctor = nvd0_dmaobj_ctor,
.dtor = _nvkm_dmaobj_dtor,
.init = _nvkm_dmaobj_init,
.fini = _nvkm_dmaobj_fini,
};
static struct nouveau_oclass
nvd0_dmaeng_sclass[] = {
{ NV_DMA_FROM_MEMORY, &nvd0_dmaobj_ofuncs },
{ NV_DMA_TO_MEMORY, &nvd0_dmaobj_ofuncs },
{ NV_DMA_IN_MEMORY, &nvd0_dmaobj_ofuncs },
{}
};
struct nouveau_oclass *
nvd0_dmaeng_oclass = &(struct nvkm_dmaeng_impl) {
.base.handle = NV_ENGINE(DMAOBJ, 0xd0),
.base.ofuncs = &(struct nouveau_ofuncs) {
.ctor = _nvkm_dmaeng_ctor,
.dtor = _nvkm_dmaeng_dtor,
.init = _nvkm_dmaeng_init,
.fini = _nvkm_dmaeng_fini,
},
.sclass = nvd0_dmaeng_sclass,
.bind = nvd0_dmaobj_bind,
}.base;
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