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/*
* linux/include/asm-m68k/ide.h
*
* Copyright (C) 1994-1996 Linus Torvalds & authors
*/
/* Copyright(c) 1996 Kars de Jong */
/* Based on the ide driver from 1.2.13pl8 */
/*
* Credits (alphabetical):
*
* - Bjoern Brauel
* - Kars de Jong
* - Torsten Ebeling
* - Dwight Engen
* - Thorsten Floeck
* - Roman Hodek
* - Guenther Kelleter
* - Chris Lawrence
* - Michael Rausch
* - Christian Sauer
* - Michael Schmitz
* - Jes Soerensen
* - Michael Thurm
* - Geert Uytterhoeven
*/
#ifndef _M68K_IDE_H
#define _M68K_IDE_H
#ifdef __KERNEL__
#include <asm/setup.h>
#include <asm/io.h>
#include <asm/irq.h>
#ifdef CONFIG_ATARI
#include <linux/interrupt.h>
#include <asm/atari_stdma.h>
#endif
#ifdef CONFIG_MAC
#include <asm/macints.h>
#endif
#ifndef MAX_HWIFS
#define MAX_HWIFS 4 /* same as the other archs */
#endif
/*
* Get rid of defs from io.h - ide has its private and conflicting versions
* Since so far no single m68k platform uses ISA/PCI I/O space for IDE, we
* always use the `raw' MMIO versions
*/
#undef inb
#undef inw
#undef insw
#undef inl
#undef insl
#undef outb
#undef outw
#undef outsw
#undef outl
#undef outsl
#undef readb
#undef readw
#undef readl
#undef writeb
#undef writew
#undef writel
#define inb in_8
#define inw in_be16
#define insw(port, addr, n) raw_insw((u16 *)port, addr, n)
#define inl in_be32
#define insl(port, addr, n) raw_insl((u32 *)port, addr, n)
#define outb(val, port) out_8(port, val)
#define outw(val, port) out_be16(port, val)
#define outsw(port, addr, n) raw_outsw((u16 *)port, addr, n)
#define outl(val, port) out_be32(port, val)
#define outsl(port, addr, n) raw_outsl((u32 *)port, addr, n)
#define readb in_8
#define readw in_be16
#define __ide_mm_insw(port, addr, n) raw_insw((u16 *)port, addr, n)
#define readl in_be32
#define __ide_mm_insl(port, addr, n) raw_insl((u32 *)port, addr, n)
#define writeb(val, port) out_8(port, val)
#define writew(val, port) out_be16(port, val)
#define __ide_mm_outsw(port, addr, n) raw_outsw((u16 *)port, addr, n)
#define writel(val, port) out_be32(port, val)
#define __ide_mm_outsl(port, addr, n) raw_outsl((u32 *)port, addr, n)
#if defined(CONFIG_ATARI) || defined(CONFIG_Q40)
#define insw_swapw(port, addr, n) raw_insw_swapw((u16 *)port, addr, n)
#define outsw_swapw(port, addr, n) raw_outsw_swapw((u16 *)port, addr, n)
#endif
/* Q40 and Atari have byteswapped IDE busses and since many interesting
* values in the identification string are text, chars and words they
* happened to be almost correct without swapping.. However *_capacity
* is needed for drives over 8 GB. RZ */
#if defined(CONFIG_Q40) || defined(CONFIG_ATARI)
#define M68K_IDE_SWAPW (MACH_IS_Q40 || MACH_IS_ATARI)
#endif
#ifdef CONFIG_BLK_DEV_FALCON_IDE
#define IDE_ARCH_LOCK
extern int falconide_intr_lock;
static __inline__ void ide_release_lock (void)
{
if (MACH_IS_ATARI) {
if (falconide_intr_lock == 0) {
printk("ide_release_lock: bug\n");
return;
}
falconide_intr_lock = 0;
stdma_release();
}
}
static __inline__ void
ide_get_lock(irqreturn_t (*handler)(int, void *, struct pt_regs *), void *data)
{
if (MACH_IS_ATARI) {
if (falconide_intr_lock == 0) {
if (in_interrupt() > 0)
panic( "Falcon IDE hasn't ST-DMA lock in interrupt" );
stdma_lock(handler, data);
falconide_intr_lock = 1;
}
}
}
#endif /* CONFIG_BLK_DEV_FALCON_IDE */
#define IDE_ARCH_ACK_INTR
#define ide_ack_intr(hwif) ((hwif)->hw.ack_intr ? (hwif)->hw.ack_intr(hwif) : 1)
#endif /* __KERNEL__ */
#endif /* _M68K_IDE_H */
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