ide.h
上传用户:lgb322
上传日期:2013-02-24
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文件大小:1k
- /*
- * linux/include/asm-arm/ide.h
- *
- * Copyright (C) 1994-1996 Linus Torvalds & authors
- */
- /* s390 does not have IDE */
- #ifndef __ASMS390_IDE_H
- #define __ASMS390_IDE_H
- #ifdef __KERNEL__
- #ifndef MAX_HWIFS
- #define MAX_HWIFS 0
- #endif
- #define ide__sti() do {} while (0)
- typedef union {
- unsigned all : 8; /* all of the bits together */
- struct {
- unsigned head : 4; /* always zeros here */
- unsigned unit : 1; /* drive select number, 0 or 1 */
- unsigned bit5 : 1; /* always 1 */
- unsigned lba : 1; /* using LBA instead of CHS */
- unsigned bit7 : 1; /* always 1 */
- } b;
- } select_t;
- #define ide_request_irq(irq,hand,flg,dev,id) do {} while (0)
- #define ide_free_irq(irq,dev_id) do {} while (0)
- #define ide_check_region(from,extent) do {} while (0)
- #define ide_request_region(from,extent,name) do {} while (0)
- #define ide_release_region(from,extent) do {} while (0)
- /*
- * The following are not needed for the non-m68k ports
- */
- #define ide_ack_intr(hwif) (1)
- #define ide_fix_driveid(id) do {} while (0)
- #define ide_release_lock(lock) do {} while (0)
- #define ide_get_lock(lock, hdlr, data) do {} while (0)
- /*
- * We always use the new IDE port registering,
- * so these are fixed here.
- */
- #define ide_default_io_base(i) ((ide_ioreg_t)0)
- #define ide_default_irq(b) (0)
- #endif /* __KERNEL__ */
- #endif /* __ASMARM_IDE_H */