1/*
2 *  linux/include/asm-arm/ide.h
3 *
4 *  Copyright (C) 1994-1996  Linus Torvalds & authors
5 */
6
7/*
8 *  This file contains the i386 architecture specific IDE code.
9 */
10
11#ifndef __ASMARM_IDE_H
12#define __ASMARM_IDE_H
13
14#ifdef __KERNEL__
15
16#ifndef MAX_HWIFS
17#define MAX_HWIFS	4
18#endif
19
20#define ide__sti()	__sti()
21
22#include <asm/arch/ide.h>
23
24typedef union {
25	unsigned all			: 8;	/* all of the bits together */
26	struct {
27		unsigned head		: 4;	/* always zeros here */
28		unsigned unit		: 1;	/* drive select number, 0 or 1 */
29		unsigned bit5		: 1;	/* always 1 */
30		unsigned lba		: 1;	/* using LBA instead of CHS */
31		unsigned bit7		: 1;	/* always 1 */
32	} b;
33} select_t;
34
35typedef union {
36	unsigned all			: 8;	/* all of the bits together */
37	struct {
38		unsigned bit0		: 1;
39		unsigned nIEN		: 1;	/* device INTRQ to host */
40		unsigned SRST		: 1;	/* host soft reset bit */
41		unsigned bit3		: 1;	/* ATA-2 thingy */
42		unsigned reserved456	: 3;
43		unsigned HOB		: 1;	/* 48-bit address ordering */
44	} b;
45} control_t;
46
47#define ide_request_irq(irq,hand,flg,dev,id)	request_irq((irq),(hand),(flg),(dev),(id))
48#define ide_free_irq(irq,dev_id)		free_irq((irq), (dev_id))
49#define ide_check_region(from,extent)		check_region((from), (extent))
50#define ide_request_region(from,extent,name)	request_region((from), (extent), (name))
51#define ide_release_region(from,extent)		release_region((from), (extent))
52
53/*
54 * The following are not needed for the non-m68k ports
55 */
56#define ide_ack_intr(hwif)		(1)
57#define ide_fix_driveid(id)		do {} while (0)
58#define ide_release_lock(lock)		do {} while (0)
59#define ide_get_lock(lock, hdlr, data)	do {} while (0)
60
61/*
62 * We always use the new IDE port registering,
63 * so these are fixed here.
64 */
65#define ide_default_io_base(i)		((ide_ioreg_t)0)
66#define ide_default_irq(b)		(0)
67
68#endif /* __KERNEL__ */
69
70#endif /* __ASMARM_IDE_H */
71