| /* 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 */ |
