1/* 2 * mediabay.h: definitions for using the media bay 3 * on PowerBook 3400 and similar computers. 4 * 5 * Copyright (C) 1997 Paul Mackerras. 6 */ 7#ifndef _PPC_MEDIABAY_H 8#define _PPC_MEDIABAY_H 9 10#ifdef __KERNEL__ 11 12#define MB_FD 0 /* media bay contains floppy drive (automatic eject ?) */ 13#define MB_FD1 1 /* media bay contains floppy drive (manual eject ?) */ 14#define MB_SOUND 2 /* sound device ? */ 15#define MB_CD 3 /* media bay contains ATA drive such as CD or ZIP */ 16#define MB_PCI 5 /* media bay contains a PCI device */ 17#define MB_POWER 6 /* media bay contains a Power device (???) */ 18#define MB_NO 7 /* media bay contains nothing */ 19 20struct macio_dev; 21 22#ifdef CONFIG_PMAC_MEDIABAY 23 24/* Check the content type of the bay, returns MB_NO if the bay is still 25 * transitionning 26 */ 27extern int check_media_bay(struct macio_dev *bay); 28 29/* The ATA driver uses the calls below to temporarily hold on the 30 * media bay callbacks while initializing the interface 31 */ 32extern void lock_media_bay(struct macio_dev *bay); 33extern void unlock_media_bay(struct macio_dev *bay); 34 35#else 36 37static inline int check_media_bay(struct macio_dev *bay) 38{ 39 return MB_NO; 40} 41 42static inline void lock_media_bay(struct macio_dev *bay) { } 43static inline void unlock_media_bay(struct macio_dev *bay) { } 44 45#endif 46 47#endif /* __KERNEL__ */ 48#endif /* _PPC_MEDIABAY_H */ 49