/*
* 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 */