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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/os.h>
#include <core/class.h>
#include <core/engctx.h>
#include <engine/software.h>
#include <engine/disp.h>
struct nvc0_software_priv {
struct nouveau_software base;
};
struct nvc0_software_chan {
struct nouveau_software_chan base;
};
/*******************************************************************************
* software object classes
******************************************************************************/
static int
nvc0_software_mthd_vblsem_offset(struct nouveau_object *object, u32 mthd,
void *args, u32 size)
{
struct nvc0_software_chan *chan = (void *)nv_engctx(object->parent);
u64 data = *(u32 *)args;
if (mthd == 0x0400) {
chan->base.vblank.offset &= 0x00ffffffffULL;
chan->base.vblank.offset |= data << 32;
} else {
chan->base.vblank.offset &= 0xff00000000ULL;
chan->base.vblank.offset |= data;
}
return 0;
}
static int
nvc0_software_mthd_vblsem_value(struct nouveau_object *object, u32 mthd,
void *args, u32 size)
{
struct nvc0_software_chan *chan = (void *)nv_engctx(object->parent);
chan->base.vblank.value = *(u32 *)args;
return 0;
}
static int
nvc0_software_mthd_vblsem_release(struct nouveau_object *object, u32 mthd,
void *args, u32 size)
{
struct nvc0_software_chan *chan = (void *)nv_engctx(object->parent);
struct nouveau_disp *disp = nouveau_disp(object);
unsigned long flags;
u32 crtc = *(u32 *)args;
if ((nv_device(object)->card_type < NV_E0 && crtc > 1) || crtc > 3)
return -EINVAL;
disp->vblank.get(disp->vblank.data, crtc);
spin_lock_irqsave(&disp->vblank.lock, flags);
list_add(&chan->base.vblank.head, &disp->vblank.list);
chan->base.vblank.crtc = crtc;
spin_unlock_irqrestore(&disp->vblank.lock, flags);
return 0;
}
static int
nvc0_software_mthd_flip(struct nouveau_object *object, u32 mthd,
void *args, u32 size)
{
struct nvc0_software_chan *chan = (void *)nv_engctx(object->parent);
if (chan->base.flip)
return chan->base.flip(chan->base.flip_data);
return -EINVAL;
}
static struct nouveau_omthds
nvc0_software_omthds[] = {
{ 0x0400, nvc0_software_mthd_vblsem_offset },
{ 0x0404, nvc0_software_mthd_vblsem_offset },
{ 0x0408, nvc0_software_mthd_vblsem_value },
{ 0x040c, nvc0_software_mthd_vblsem_release },
{ 0x0500, nvc0_software_mthd_flip },
{}
};
static struct nouveau_oclass
nvc0_software_sclass[] = {
{ 0x906e, &nouveau_object_ofuncs, nvc0_software_omthds },
{}
};
/*******************************************************************************
* software context
******************************************************************************/
static int
nvc0_software_context_ctor(struct nouveau_object *parent,
struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nvc0_software_chan *chan;
int ret;
ret = nouveau_software_context_create(parent, engine, oclass, &chan);
*pobject = nv_object(chan);
if (ret)
return ret;
chan->base.vblank.channel = nv_gpuobj(parent->parent)->addr >> 12;
return 0;
}
static struct nouveau_oclass
nvc0_software_cclass = {
.handle = NV_ENGCTX(SW, 0xc0),
.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nvc0_software_context_ctor,
.dtor = _nouveau_software_context_dtor,
.init = _nouveau_software_context_init,
.fini = _nouveau_software_context_fini,
},
};
/*******************************************************************************
* software engine/subdev functions
******************************************************************************/
static int
nvc0_software_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nvc0_software_priv *priv;
int ret;
ret = nouveau_software_create(parent, engine, oclass, &priv);
*pobject = nv_object(priv);
if (ret)
return ret;
nv_engine(priv)->cclass = &nvc0_software_cclass;
nv_engine(priv)->sclass = nvc0_software_sclass;
return 0;
}
struct nouveau_oclass
nvc0_software_oclass = {
.handle = NV_ENGINE(SW, 0xc0),
.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nvc0_software_ctor,
.dtor = _nouveau_software_dtor,
.init = _nouveau_software_init,
.fini = _nouveau_software_fini,
},
};
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