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/* SPDX-License-Identifier: GPL-2.0 */
/*
* 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 */
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