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/*
* $Id$
* Copyright (C) 2007 Maciej Cencora <m.cencora@gmail.com>
* Copyright (C) 2007 Oliver McFadden <z3ro.geek@gmail.com>
*
* 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <revenge_main.h>
unsigned int
register_read (unsigned int key)
{
return reg_mem_map[key >> 2];
}
void
register_write (unsigned int key, unsigned int val)
{
reg_mem_map[key >> 2] = val;
}
unsigned int
register_read_pcie (unsigned int key)
{
register_write (RADEON_PCIE_INDEX, key);
return register_read (RADEON_PCIE_DATA);
}
void
register_write_pcie (unsigned int key, unsigned int val)
{
register_write (RADEON_PCIE_INDEX, key);
register_write (RADEON_PCIE_DATA, val);
}
unsigned int
register_read_igp (unsigned int key)
{
unsigned int ret;
register_write (RADEON_IGPGART_INDEX, key & 0x7f);
ret = register_read (RADEON_IGPGART_DATA);
register_write (RADEON_IGPGART_INDEX, 0x7f);
return ret;
}
void
register_write_igp (unsigned int key, unsigned int val)
{
register_write (RADEON_IGPGART_INDEX, (key & 0x7f) | (1 << 8));
register_write (RADEON_IGPGART_DATA, val);
register_write (RADEON_IGPGART_INDEX, 0x7f);
}
unsigned int
register_read_rs690 (unsigned int key)
{
register_write (RADEON_RS690GART_INDEX, key & RADEON_RS690GART_INDEX_MASK);
return register_read (RADEON_RS690GART_DATA);
}
void
register_write_rs690 (unsigned int key, unsigned int val)
{
register_write (RADEON_RS690GART_INDEX,
(key & RADEON_RS690GART_INDEX_MASK) |
RADEON_RS690GART_INDEX_WRITEBIT);
register_write (RADEON_RS690GART_DATA, val);
register_write (RADEON_RS690GART_INDEX, RADEON_RS690GART_INDEX_WRITEACK);
}
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