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/*
* 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.
*
* Copyright (C) 1994-1996 Linus Torvalds & authors
*
* Copied from i386; many of the especially older MIPS or ISA-based platforms
* are basically identical. Using this file probably implies i8259 PIC
* support in a system but the very least interrupt numbers 0 - 15 need to
* be put aside for legacy devices.
*/
#ifndef __ASM_MACH_GENERIC_IDE_H
#define __ASM_MACH_GENERIC_IDE_H
#ifdef __KERNEL__
#include <linux/config.h>
#include <linux/pci.h>
#include <linux/stddef.h>
#ifndef MAX_HWIFS
# ifdef CONFIG_BLK_DEV_IDEPCI
#define MAX_HWIFS 10
# else
#define MAX_HWIFS 6
# endif
#endif
#define IDE_ARCH_OBSOLETE_DEFAULTS
static __inline__ int ide_probe_legacy(void)
{
#ifdef CONFIG_PCI
struct pci_dev *dev;
if ((dev = pci_get_class(PCI_CLASS_BRIDGE_EISA << 8, NULL)) != NULL ||
(dev = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, NULL)) != NULL) {
pci_dev_put(dev);
return 1;
}
return 0;
#elif defined(CONFIG_EISA) || defined(CONFIG_ISA)
return 1;
#else
return 0;
#endif
}
static __inline__ int ide_default_irq(unsigned long base)
{
if (ide_probe_legacy())
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;
}
else
return 0;
}
static __inline__ unsigned long ide_default_io_base(int index)
{
if (ide_probe_legacy())
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;
}
else
return 0;
}
#define IDE_ARCH_OBSOLETE_INIT
#define ide_default_io_ctl(base) ((base) + 0x206) /* obsolete */
#ifdef CONFIG_BLK_DEV_IDEPCI
#define ide_init_default_irq(base) (0)
#else
#define ide_init_default_irq(base) ide_default_irq(base)
#endif
/* MIPS port and memory-mapped I/O string operations. */
#define __ide_insw insw
#define __ide_insl insl
#define __ide_outsw outsw
#define __ide_outsl outsl
#define __ide_mm_insw readsw
#define __ide_mm_insl readsl
#define __ide_mm_outsw writesw
#define __ide_mm_outsl writesl
#endif /* __KERNEL__ */
#endif /* __ASM_MACH_GENERIC_IDE_H */
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