49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
/*
|
|
* mediabay.h: definitions for using the media bay
|
|
* on PowerBook 3400 and similar computers.
|
|
*
|
|
* Copyright (C) 1997 Paul Mackerras.
|
|
*/
|
|
#ifndef _PPC_MEDIABAY_H
|
|
#define _PPC_MEDIABAY_H
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
#define MB_FD 0 /* media bay contains floppy drive (automatic eject ?) */
|
|
#define MB_FD1 1 /* media bay contains floppy drive (manual eject ?) */
|
|
#define MB_SOUND 2 /* sound device ? */
|
|
#define MB_CD 3 /* media bay contains ATA drive such as CD or ZIP */
|
|
#define MB_PCI 5 /* media bay contains a PCI device */
|
|
#define MB_POWER 6 /* media bay contains a Power device (???) */
|
|
#define MB_NO 7 /* media bay contains nothing */
|
|
|
|
struct macio_dev;
|
|
|
|
#ifdef CONFIG_PMAC_MEDIABAY
|
|
|
|
/* Check the content type of the bay, returns MB_NO if the bay is still
|
|
* transitionning
|
|
*/
|
|
extern int check_media_bay(struct macio_dev *bay);
|
|
|
|
/* The ATA driver uses the calls below to temporarily hold on the
|
|
* media bay callbacks while initializing the interface
|
|
*/
|
|
extern void lock_media_bay(struct macio_dev *bay);
|
|
extern void unlock_media_bay(struct macio_dev *bay);
|
|
|
|
#else
|
|
|
|
static inline int check_media_bay(struct macio_dev *bay)
|
|
{
|
|
return MB_NO;
|
|
}
|
|
|
|
static inline void lock_media_bay(struct macio_dev *bay) { }
|
|
static inline void unlock_media_bay(struct macio_dev *bay) { }
|
|
|
|
#endif
|
|
|
|
#endif /* __KERNEL__ */
|
|
#endif /* _PPC_MEDIABAY_H */
|