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/*
(c) Copyright 2001-2009 The world wide DirectFB Open Source Community (directfb.org)
(c) Copyright 2000-2004 Convergence (integrated media) GmbH
All rights reserved.
Written by Denis Oliver Kropp <dok@directfb.org>,
Andreas Hundt <andi@fischlustig.de>,
Sven Neumann <neo@directfb.org>,
Ville Syrjälä <syrjala@sci.fi> and
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 <sys/io.h>
#include <core/coredefs.h>
#include <core/layers.h>
#include <core/surface.h>
#include "neomagic.h"
typedef struct {
CoreLayerRegionConfig config;
/* overlay registers */
struct {
u32 OFFSET;
u16 PITCH;
u16 X1;
u16 X2;
u16 Y1;
u16 Y2;
u16 HSCALE;
u16 VSCALE;
u8 CONTROL;
} regs;
} NeoOverlayLayerData;
static void ovl_set_regs ( NeoDriverData *ndrv,
NeoOverlayLayerData *novl );
static void ovl_calc_regs( NeoDriverData *ndrv,
NeoOverlayLayerData *novl,
CoreLayerRegionConfig *config,
CoreSurface *surface,
CoreSurfaceBufferLock *lock );
#define NEO_OVERLAY_SUPPORTED_OPTIONS (DLOP_NONE)
/**********************/
static int
ovlLayerDataSize( void )
{
return sizeof(NeoOverlayLayerData);
}
static DFBResult
ovlInitLayer( CoreLayer *layer,
void *driver_data,
void *layer_data,
DFBDisplayLayerDescription *description,
DFBDisplayLayerConfig *default_config,
DFBColorAdjustment *default_adj )
{
/* set capabilities and type */
description->caps = DLCAPS_SCREEN_LOCATION | DLCAPS_SURFACE |
DLCAPS_BRIGHTNESS;
description->type = DLTF_VIDEO | DLTF_STILL_PICTURE;
/* set name */
snprintf( description->name,
DFB_DISPLAY_LAYER_DESC_NAME_LENGTH, "NeoMagic Overlay" );
/* fill out the default configuration */
default_config->flags = DLCONF_WIDTH | DLCONF_HEIGHT |
DLCONF_PIXELFORMAT | DLCONF_BUFFERMODE |
DLCONF_OPTIONS;
default_config->width = 640;
default_config->height = 480;
default_config->pixelformat = DSPF_YUY2;
default_config->buffermode = DLBM_FRONTONLY;
default_config->options = DLOP_NONE;
/* fill out default color adjustment,
only fields set in flags will be accepted from applications */
default_adj->flags = DCAF_BRIGHTNESS;
default_adj->brightness = 0x8000;
/* FIXME: use mmio */
if (iopl(3) < 0) {
D_PERROR( "NeoMagic/Overlay: Could not change I/O permission level!\n" );
return DFB_UNSUPPORTED;
}
neo_unlock();
/* reset overlay */
OUTGR(0xb0, 0x00);
/* reset brightness */
OUTGR(0xc4, 0x00);
/* disable capture */
OUTGR(0x0a, 0x21);
OUTSR(0x08, 0xa0);
OUTGR(0x0a, 0x01);
neo_lock();
return DFB_OK;
}
static void
ovlOnOff( NeoDriverData *ndrv,
NeoOverlayLayerData *novl,
int on )
{
/* set/clear enable bit */
if (on)
novl->regs.CONTROL = 0x01;
else
novl->regs.CONTROL = 0x00;
/* FIXME: use mmio */
if (iopl(3) < 0) {
D_PERROR( "NeoMagic/Overlay: Could not change I/O permission level!\n" );
return;
}
/* write back to card */
neo_unlock();
OUTGR(0xb0, novl->regs.CONTROL);
neo_lock();
}
static DFBResult
ovlTestRegion( CoreLayer *layer,
void *driver_data,
void *layer_data,
CoreLayerRegionConfig *config,
CoreLayerRegionConfigFlags *failed )
{
CoreLayerRegionConfigFlags fail = 0;
/* check for unsupported options */
if (config->options & ~NEO_OVERLAY_SUPPORTED_OPTIONS)
fail |= CLRCF_OPTIONS;
/* check pixel format */
switch (config->format) {
case DSPF_YUY2:
break;
default:
fail |= CLRCF_FORMAT;
}
/* check width */
if (config->width > 1024 || config->width < 160)
fail |= CLRCF_WIDTH;
/* check height */
if (config->height > 1024 || config->height < 1)
fail |= CLRCF_HEIGHT;
/* write back failing fields */
if (failed)
*failed = fail;
/* return failure if any field failed */
if (fail)
return DFB_UNSUPPORTED;
return DFB_OK;
}
static DFBResult
ovlSetRegion( CoreLayer *layer,
void *driver_data,
void *layer_data,
void *region_data,
CoreLayerRegionConfig *config,
CoreLayerRegionConfigFlags updated,
CoreSurface *surface,
CorePalette *palette,
CoreSurfaceBufferLock *lock )
{
NeoDriverData *ndrv = (NeoDriverData*) driver_data;
NeoOverlayLayerData *novl = (NeoOverlayLayerData*) layer_data;
/* remember configuration */
novl->config = *config;
ovl_calc_regs( ndrv, novl, config, surface, lock );
ovl_set_regs( ndrv, novl );
/* enable overlay */
ovlOnOff( ndrv, novl, config->opacity );
return DFB_OK;
}
static DFBResult
ovlRemoveRegion( CoreLayer *layer,
void *driver_data,
void *layer_data,
void *region_data )
{
NeoDriverData *ndrv = (NeoDriverData*) driver_data;
NeoOverlayLayerData *novl = (NeoOverlayLayerData*) layer_data;
/* disable overlay */
ovlOnOff( ndrv, novl, 0 );
return DFB_OK;
}
static DFBResult
ovlFlipRegion( CoreLayer *layer,
void *driver_data,
void *layer_data,
void *region_data,
CoreSurface *surface,
DFBSurfaceFlipFlags flags,
CoreSurfaceBufferLock *lock )
{
NeoDriverData *ndrv = (NeoDriverData*) driver_data;
NeoOverlayLayerData *novl = (NeoOverlayLayerData*) layer_data;
#if 0
bool onsync = (flags & DSFLIP_WAITFORSYNC);
if (onsync)
dfb_fbdev_wait_vsync();
#endif
dfb_surface_flip( surface, false );
ovl_calc_regs( ndrv, novl, &novl->config, surface, lock );
ovl_set_regs( ndrv, novl );
return DFB_OK;
}
static DFBResult
ovlSetColorAdjustment( CoreLayer *layer,
void *driver_data,
void *layer_data,
DFBColorAdjustment *adj )
{
/* FIXME: use mmio */
if (iopl(3) < 0) {
D_PERROR( "NeoMagic/Overlay: Could not change I/O permission level!\n" );
return DFB_UNSUPPORTED;
}
neo_unlock();
OUTGR(0xc4, (signed char)((adj->brightness >> 8) -128));
neo_lock();
return DFB_OK;
}
DisplayLayerFuncs neoOverlayFuncs = {
.LayerDataSize = ovlLayerDataSize,
.InitLayer = ovlInitLayer,
.SetRegion = ovlSetRegion,
.RemoveRegion = ovlRemoveRegion,
.TestRegion = ovlTestRegion,
.FlipRegion = ovlFlipRegion,
.SetColorAdjustment = ovlSetColorAdjustment,
};
/* internal */
static void ovl_set_regs( NeoDriverData *ndrv, NeoOverlayLayerData *novl )
{
/* FIXME: use mmio */
if (iopl(3) < 0) {
D_PERROR( "NeoMagic/Overlay: Could not change I/O permission level!\n" );
return;
}
neo_unlock();
OUTGR(0xb1, ((novl->regs.X2 >> 4) & 0xf0) | (novl->regs.X1 >> 8));
OUTGR(0xb2, novl->regs.X1);
OUTGR(0xb3, novl->regs.X2);
OUTGR(0xb4, ((novl->regs.Y2 >> 4) & 0xf0) | (novl->regs.Y1 >> 8));
OUTGR(0xb5, novl->regs.Y1);
OUTGR(0xb6, novl->regs.Y2);
OUTGR(0xb7, novl->regs.OFFSET >> 16);
OUTGR(0xb8, novl->regs.OFFSET >> 8);
OUTGR(0xb9, novl->regs.OFFSET);
OUTGR(0xba, novl->regs.PITCH >> 8);
OUTGR(0xbb, novl->regs.PITCH);
OUTGR(0xbc, 0x2e); /* Neo2160: 0x4f */
OUTGR(0xbd, 0x02);
OUTGR(0xbe, 0x00);
OUTGR(0xbf, 0x02);
OUTGR(0xc0, novl->regs.HSCALE >> 8);
OUTGR(0xc1, novl->regs.HSCALE);
OUTGR(0xc2, novl->regs.VSCALE >> 8);
OUTGR(0xc3, novl->regs.VSCALE);
neo_lock();
}
static void ovl_calc_regs( NeoDriverData *ndrv,
NeoOverlayLayerData *novl,
CoreLayerRegionConfig *config,
CoreSurface *surface,
CoreSurfaceBufferLock *lock )
{
/* fill register struct */
novl->regs.X1 = config->dest.x;
novl->regs.X2 = config->dest.x + config->dest.w - 1;
novl->regs.Y1 = config->dest.y;
novl->regs.Y2 = config->dest.y + config->dest.h - 1;
novl->regs.OFFSET = lock->offset;
novl->regs.PITCH = lock->pitch;
novl->regs.HSCALE = (surface->config.size.w << 12) / (config->dest.w + 1);
novl->regs.VSCALE = (surface->config.size.h << 12) / (config->dest.h + 1);
}
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