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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.
*/
#ifndef __SAVAGE2000_H__
#define __SAVAGE2000_H__
#include <core/gfxcard.h>
#include "savage.h"
#include "mmio.h"
typedef struct {
SavageDeviceData s;
} Savage2000DeviceData;
typedef struct {
SavageDriverData s;
} Savage2000DriverData;
void
savage2000_get_info( CoreGraphicsDevice *device,
GraphicsDriverInfo *info );
DFBResult
savage2000_init_driver( CoreGraphicsDevice *device,
GraphicsDeviceFuncs *funcs,
void *driver_data );
DFBResult
savage2000_init_device( CoreGraphicsDevice *device,
GraphicsDeviceInfo *device_info,
void *driver_data,
void *device_data );
void
savage2000_close_device( CoreGraphicsDevice *device,
void *driver_data,
void *device_data );
void
savage2000_close_driver( CoreGraphicsDevice *device,
void *driver_data );
#undef FIFOSTATUS
#define FIFOSTATUS 0x48C60
/* Wait for fifo space */
static inline void
savage2000_waitfifo(Savage2000DriverData *sdrv,
Savage2000DeviceData *sdev, int space)
{
uint32 slots = MAXFIFO - space;
volatile u8 *mmio = sdrv->s.mmio_base;
sdev->s.waitfifo_sum += space;
sdev->s.waitfifo_calls++;
if ((savage_in32(mmio, FIFOSTATUS) & 0x000fffff) > slots) {
do {
sdev->s.fifo_waitcycles++;
} while (savage_in32(mmio, FIFOSTATUS) > slots);
}
else {
sdev->s.fifo_cache_hits++;
}
}
/* Wait for idle accelerator */
static inline void
savage2000_waitidle(Savage2000DriverData *sdrv, Savage2000DeviceData *sdev)
{
sdev->s.waitidle_calls++;
while (savage_in32(sdrv->s.mmio_base, FIFOSTATUS) & 0x009fffff) {
sdev->s.idle_waitcycles++;
}
}
#endif
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