| /* | |
| * 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 */ |