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Initial Import 2.4.24pre2

/*
 * 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.
 *
 * This file contains the MIPS architecture specific IDE code.
 *
 * Copyright (C) 1994-1996  Linus Torvalds & authors
 */
#ifndef __ASM_IDE_H
#define __ASM_IDE_H

#ifdef __KERNEL__

#include <linux/config.h>
#include <asm/io.h>

#ifndef MAX_HWIFS
# ifdef CONFIG_BLK_DEV_IDEPCI
#define MAX_HWIFS	10
# else
#define MAX_HWIFS	6
# endif
#endif

struct ide_ops {
	int (*ide_default_irq)(ide_ioreg_t base);
	ide_ioreg_t (*ide_default_io_base)(int index);
	void (*ide_init_hwif_ports)(hw_regs_t *hw, ide_ioreg_t data_port,
	                            ide_ioreg_t ctrl_port, int *irq);
};

extern struct ide_ops *ide_ops;

static __inline__ int ide_default_irq(ide_ioreg_t base)
{
	return ide_ops->ide_default_irq(base);
}

static __inline__ ide_ioreg_t ide_default_io_base(int index)
{
	return ide_ops->ide_default_io_base(index);
}

static inline void ide_init_hwif_ports(hw_regs_t *hw, ide_ioreg_t data_port,
	ide_ioreg_t ctrl_port, int *irq)
{
	ide_ops->ide_init_hwif_ports(hw, data_port, ctrl_port, irq);
}

static __inline__ void ide_init_default_hwifs(void)
{
#ifndef CONFIG_BLK_DEV_IDEPCI
	hw_regs_t hw;
	int index;

	for(index = 0; index < MAX_HWIFS; index++) {
		memset(&hw, 0, sizeof hw);
		ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, NULL);
		hw.irq = ide_default_irq(ide_default_io_base(index));
		ide_register_hw(&hw, NULL);
	}
#endif /* CONFIG_BLK_DEV_IDEPCI */
}

#ifdef CONFIG_PCMCIA_SIBYTE
#define IDE_ARCH_ACK_INTR
#define ide_ack_intr(hwif)	((hwif)->hw.ack_intr ? (hwif)->hw.ack_intr(hwif) : 1)
#endif

#include <asm-generic/ide_iops.h>

#endif /* __KERNEL__ */

#endif /* __ASM_IDE_H */