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/*
* Copyright © 2007 Daniel Stone
* Copyright © 2007 Matthew Garrett
* Copyright © 2007 Jerome Glisse
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 2.
*
* This program 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 General Public License for more details.
*
* A copy of the General Public License is included with the source
* distribution of this driver, as COPYING.
*
* Authors: Daniel Stone <daniel@fooishbar.org>
* Matthew Garrett <mjg59@srcf.ucam.org>
* Jerome Glisse <glisse@freedesktop.org>
*
* Portions based on the Radeon and VESA drivers.
*/
/*
* avivo common functions
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "avivo.h"
#include "radeon_reg.h"
void
avivo_set_indexed(ScrnInfoPtr screen_info,
unsigned int index_offset,
unsigned int data_offset,
unsigned int offset,
unsigned int value)
{
struct avivo_info *avivo = avivo_get_info(screen_info);
OUTREG(index_offset, offset);
OUTREG(data_offset, value);
}
unsigned int
avivo_get_indexed(ScrnInfoPtr screen_info,
unsigned int index_offset,
unsigned int data_offset,
unsigned int offset)
{
struct avivo_info *avivo = avivo_get_info(screen_info);
OUTREG(index_offset, offset);
return INREG(data_offset);
}
unsigned int
avivo_get_mc(ScrnInfoPtr screen_info, unsigned int offset)
{
return avivo_get_indexed(screen_info,
AVIVO_MC_INDEX,
AVIVO_MC_DATA,
offset | 0x007f0000);
}
void
avivo_set_mc(ScrnInfoPtr screen_info,
unsigned int offset,
unsigned int value)
{
avivo_set_indexed(screen_info,
AVIVO_MC_INDEX,
AVIVO_MC_DATA,
offset | 0x00ff0000,
value);
}
struct avivo_info *
avivo_get_info(ScrnInfoPtr screen_info)
{
struct avivo_info *avivo;
if (!screen_info->driverPrivate) {
screen_info->driverPrivate = xcalloc(sizeof(struct avivo_info), 1);
}
avivo = screen_info->driverPrivate;
if (!avivo)
FatalError("Couldn't allocate driver structure\n");
return avivo;
}
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