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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 <core/event.h>
#include <subdev/bar.h>
#include <engine/software.h>
#include <engine/disp.h>
#include "nv50.h"
/*******************************************************************************
* software object classes
******************************************************************************/
static int
nvc0_software_mthd_vblsem_offset(struct nouveau_object *object, u32 mthd,
void *args, u32 size)
{
struct nv50_software_chan *chan = (void *)nv_engctx(object->parent);
u64 data = *(u32 *)args;
if (mthd == 0x0400) {
chan->vblank.offset &= 0x00ffffffffULL;
chan->vblank.offset |= data << 32;
} else {
chan->vblank.offset &= 0xff00000000ULL;
chan->vblank.offset |= data;
}
return 0;
}
static int
nvc0_software_mthd_mp_control(struct nouveau_object *object, u32 mthd,
void *args, u32 size)
{
struct nv50_software_chan *chan = (void *)nv_engctx(object->parent);
struct nv50_software_priv *priv = (void *)nv_object(chan)->engine;
u32 data = *(u32 *)args;
switch (mthd) {
case 0x600:
nv_wr32(priv, 0x419e00, data); /* MP.PM_UNK000 */
break;
case 0x644:
if (data & ~0x1ffffe)
return -EINVAL;
nv_wr32(priv, 0x419e44, data); /* MP.TRAP_WARP_ERROR_EN */
break;
case 0x6ac:
nv_wr32(priv, 0x419eac, data); /* MP.PM_UNK0AC */
break;
default:
return -EINVAL;
}
return 0;
}
static struct nouveau_omthds
nvc0_software_omthds[] = {
{ 0x0400, 0x0400, nvc0_software_mthd_vblsem_offset },
{ 0x0404, 0x0404, nvc0_software_mthd_vblsem_offset },
{ 0x0408, 0x0408, nv50_software_mthd_vblsem_value },
{ 0x040c, 0x040c, nv50_software_mthd_vblsem_release },
{ 0x0500, 0x0500, nv50_software_mthd_flip },
{ 0x0600, 0x0600, nvc0_software_mthd_mp_control },
{ 0x0644, 0x0644, nvc0_software_mthd_mp_control },
{ 0x06ac, 0x06ac, nvc0_software_mthd_mp_control },
{}
};
static struct nouveau_oclass
nvc0_software_sclass[] = {
{ 0x906e, &nouveau_object_ofuncs, nvc0_software_omthds },
{}
};
/*******************************************************************************
* software context
******************************************************************************/
static int
nvc0_software_vblsem_release(void *data, u32 type, int head)
{
struct nv50_software_chan *chan = data;
struct nv50_software_priv *priv = (void *)nv_object(chan)->engine;
struct nouveau_bar *bar = nouveau_bar(priv);
nv_wr32(priv, 0x001718, 0x80000000 | chan->vblank.channel);
bar->flush(bar);
nv_wr32(priv, 0x06000c, upper_32_bits(chan->vblank.offset));
nv_wr32(priv, 0x060010, lower_32_bits(chan->vblank.offset));
nv_wr32(priv, 0x060014, chan->vblank.value);
return NVKM_EVENT_DROP;
}
static struct nv50_software_cclass
nvc0_software_cclass = {
.base.handle = NV_ENGCTX(SW, 0xc0),
.base.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nv50_software_context_ctor,
.dtor = _nouveau_software_context_dtor,
.init = _nouveau_software_context_init,
.fini = _nouveau_software_context_fini,
},
.vblank = nvc0_software_vblsem_release,
};
/*******************************************************************************
* software engine/subdev functions
******************************************************************************/
struct nouveau_oclass *
nvc0_software_oclass = &(struct nv50_software_oclass) {
.base.handle = NV_ENGINE(SW, 0xc0),
.base.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nv50_software_ctor,
.dtor = _nouveau_software_dtor,
.init = _nouveau_software_init,
.fini = _nouveau_software_fini,
},
.cclass = &nvc0_software_cclass.base,
.sclass = nvc0_software_sclass,
}.base;
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