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/* $Id: ide-std.c,v 1.4 1999/06/11 14:29:45 ralf Exp $
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* IDE routines for typical pc-like standard configurations.
*
* Copyright (C) 1998, 1999 by Ralf Baechle
*/
#include <linux/sched.h>
#include <linux/ide.h>
#include <linux/ioport.h>
#include <linux/hdreg.h>
#include <asm/ptrace.h>
#include <asm/hdreg.h>
static int std_ide_default_irq(ide_ioreg_t base)
{
switch (base) {
case 0x1f0: return 14;
case 0x170: return 15;
case 0x1e8: return 11;
case 0x168: return 10;
case 0x1e0: return 8;
case 0x160: return 12;
default:
return 0;
}
}
static ide_ioreg_t std_ide_default_io_base(int index)
{
switch (index) {
case 0: return 0x1f0;
case 1: return 0x170;
case 2: return 0x1e8;
case 3: return 0x168;
case 4: return 0x1e0;
case 5: return 0x160;
default:
return 0;
}
}
static void std_ide_init_hwif_ports (hw_regs_t *hw, ide_ioreg_t data_port,
ide_ioreg_t ctrl_port, int *irq)
{
ide_ioreg_t reg = data_port;
int i;
for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
hw->io_ports[i] = reg;
reg += 1;
}
if (ctrl_port) {
hw->io_ports[IDE_CONTROL_OFFSET] = ctrl_port;
} else {
hw->io_ports[IDE_CONTROL_OFFSET] = hw->io_ports[IDE_DATA_OFFSET] + 0x206;
}
if (irq != NULL)
*irq = 0;
}
static int std_ide_request_irq(unsigned int irq,
void (*handler)(int,void *, struct pt_regs *),
unsigned long flags, const char *device,
void *dev_id)
{
return request_irq(irq, handler, flags, device, dev_id);
}
static void std_ide_free_irq(unsigned int irq, void *dev_id)
{
free_irq(irq, dev_id);
}
static int std_ide_check_region(ide_ioreg_t from, unsigned int extent)
{
return check_region(from, extent);
}
static void std_ide_request_region(ide_ioreg_t from, unsigned int extent,
const char *name)
{
request_region(from, extent, name);
}
static void std_ide_release_region(ide_ioreg_t from, unsigned int extent)
{
release_region(from, extent);
}
struct ide_ops std_ide_ops = {
&std_ide_default_irq,
&std_ide_default_io_base,
&std_ide_init_hwif_ports,
&std_ide_request_irq,
&std_ide_free_irq,
&std_ide_check_region,
&std_ide_request_region,
&std_ide_release_region
};
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