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/*
Copyright (C) 2005-2006 Claudio Ciccani <klan@users.sf.net>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <directfb.h>
#include <core/coredefs.h>
#include <core/surface.h>
#include <core/gfxcard.h>
#include <core/system.h>
#include <core/screen.h>
#include <core/layer_control.h>
#include <misc/conf.h>
#include <direct/messages.h>
#include "nvidia.h"
#include "nvidia_regs.h"
#include "nvidia_accel.h"
/************************** Primary Screen functions **************************/
static DFBResult
crtc1InitScreen( CoreScreen *screen,
CoreGraphicsDevice *device,
void *driver_data,
void *screen_data,
DFBScreenDescription *description )
{
NVidiaDriverData *nvdrv = (NVidiaDriverData*) driver_data;
volatile u8 *mmio = nvdrv->mmio_base;
if (OldPrimaryScreenFuncs.InitScreen)
OldPrimaryScreenFuncs.InitScreen( screen, device,
OldPrimaryScreenDriverData,
screen_data, description );
description->caps |= DSCCAPS_VSYNC;
snprintf( description->name,
DFB_SCREEN_DESC_NAME_LENGTH, "NVidia Primary Screen" );
nv_out32( mmio, PCRTC_INTR_EN, PCRTC_INTR_EN_VBLANK_DISABLED );
#ifdef WORDS_BIGENDIAN
nv_out32( mmio, PCRTC_CONFIG, PCRTC_CONFIG_SIGNAL_HSYNC |
PCRTC_CONFIG_ENDIAN_BIG );
#else
nv_out32( mmio, PCRTC_CONFIG, PCRTC_CONFIG_SIGNAL_HSYNC |
PCRTC_CONFIG_ENDIAN_LITTLE );
#endif
nv_out32( mmio, PCRTC_INTR, PCRTC_INTR_VBLANK_RESET );
return DFB_OK;
}
static DFBResult
crtc1WaitVSync( CoreScreen *screen,
void *driver_data,
void *screen_data )
{
NVidiaDriverData *nvdrv = (NVidiaDriverData*) driver_data;
volatile u8 *mmio = nvdrv->mmio_base;
if (!dfb_config->pollvsync_none) {
int i;
for (i = 0; i < 2000000; i++) {
if (!(nv_in8( mmio, PCIO_CRTC_STATUS ) & 8))
break;
}
for (i = 0; i < 2000000;) {
if (nv_in8( mmio, PCIO_CRTC_STATUS ) & 8)
break;
i++;
if ((i % 2000) == 0) {
struct timespec ts = { 0, 10000 };
nanosleep( &ts, NULL );
}
}
}
return DFB_OK;
}
#if 0
static DFBResult
crtc1GetScreenSize( CoreScreen *screen,
void *driver_data,
void *screen_data,
int *ret_width,
int *ret_height )
{
NVidiaDriverData *nvdrv = (NVidiaDriverData*) driver_data;
volatile u8 *mmio = nvdrv->mmio_base;
int w, h;
int val;
/* stolen from RivaTV */
w = nv_incrtc( mmio, CRTC_HORIZ_DISPLAY_END );
w |= (nv_incrtc( mmio, CRTC_HORIZ_EXTRA ) & 0x02) << 7;
w = (w + 1) << 3;
h = nv_incrtc( mmio, CRTC_VERT_DISPLAY_END );
val = nv_incrtc( mmio, CRTC_OVERFLOW );
h |= (val & 0x02) << 7;
h |= (val & 0x40) << 3;
h++;
h |= nv_incrtc( mmio, CRTC_EXTRA ) << 9;
h |= nv_incrtc( mmio, 0x41 ) << 9;
h >>= (nv_incrtc( mmio, CRTC_MAX_SCAN_LINE ) & 0x80) >> 7;
D_DEBUG( "DirectFB/NVidia/Crtc1: "
"detected screen resolution %dx%d.\n", w, h );
*ret_width = w;
*ret_height = h;
return DFB_OK;
}
#endif
ScreenFuncs nvidiaPrimaryScreenFuncs = {
.InitScreen = crtc1InitScreen,
.WaitVSync = crtc1WaitVSync,
//.GetScreenSize = crtc1GetScreenSize
};
ScreenFuncs OldPrimaryScreenFuncs;
void *OldPrimaryScreenDriverData;
/*************************** Primary Layer hooks ******************************/
static DFBResult
fb0FlipRegion( CoreLayer *layer,
void *driver_data,
void *layer_data,
void *region_data,
CoreSurface *surface,
DFBSurfaceFlipFlags flags,
CoreSurfaceBufferLock *lock )
{
NVidiaDriverData *nvdrv = (NVidiaDriverData*) driver_data;
NVidiaDeviceData *nvdev = nvdrv->device_data;
u32 offset;
dfb_surface_flip( surface, false );
offset = (lock->offset + nvdev->fb_offset) & ~3;
nv_out32( nvdrv->mmio_base, PCRTC_START, offset );
if (flags & DSFLIP_WAIT)
dfb_layer_wait_vsync( layer );
return DFB_OK;
}
DisplayLayerFuncs nvidiaPrimaryLayerFuncs = {
.FlipRegion = fb0FlipRegion
};
DisplayLayerFuncs OldPrimaryLayerFuncs;
void *OldPrimaryLayerDriverData;
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