projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 1da177e4 LT |
2 | /* |
| 3 | * mediabay.h: definitions for using the media bay | |
| 4 | * on PowerBook 3400 and similar computers. | |
| 5 | * | |
| 6 | * Copyright (C) 1997 Paul Mackerras. | |
| 7 | */ | |
| 8 | #ifndef _PPC_MEDIABAY_H | |
| 9 | #define _PPC_MEDIABAY_H | |
| 10 | ||
| 11 | #ifdef __KERNEL__ | |
| 12 | ||
| 13 | #define MB_FD 0 /* media bay contains floppy drive (automatic eject ?) */ | |
| 14 | #define MB_FD1 1 /* media bay contains floppy drive (manual eject ?) */ | |
| 15 | #define MB_SOUND 2 /* sound device ? */ | |
| 16 | #define MB_CD 3 /* media bay contains ATA drive such as CD or ZIP */ | |
| 17 | #define MB_PCI 5 /* media bay contains a PCI device */ | |
| 18 | #define MB_POWER 6 /* media bay contains a Power device (???) */ | |
| 19 | #define MB_NO 7 /* media bay contains nothing */ | |
| 20 | ||
| d58b0c39 | 21 | struct macio_dev; |
| 1da177e4 | 22 | |
| d58b0c39 | 23 | #ifdef CONFIG_PMAC_MEDIABAY |
| 2dde7861 | 24 | |
| d58b0c39 BH |
25 | /* Check the content type of the bay, returns MB_NO if the bay is still |
| 26 | * transitionning | |
| 27 | */ | |
| 28 | extern int check_media_bay(struct macio_dev *bay); | |
| 305c7368 | 29 | |
| d58b0c39 BH |
30 | /* The ATA driver uses the calls below to temporarily hold on the |
| 31 | * media bay callbacks while initializing the interface | |
| 32 | */ | |
| 33 | extern void lock_media_bay(struct macio_dev *bay); | |
| 34 | extern void unlock_media_bay(struct macio_dev *bay); | |
| 305c7368 AB |
35 | |
| 36 | #else | |
| 37 | ||
| d58b0c39 | 38 | static inline int check_media_bay(struct macio_dev *bay) |
| 305c7368 | 39 | { |
| d58b0c39 | 40 | return MB_NO; |
| 305c7368 AB |
41 | } |
| 42 | ||
| d58b0c39 BH |
43 | static inline void lock_media_bay(struct macio_dev *bay) { } |
| 44 | static inline void unlock_media_bay(struct macio_dev *bay) { } | |
| 45 | ||
| 2dde7861 | 46 | #endif |
| 1da177e4 LT |
47 | |
| 48 | #endif /* __KERNEL__ */ | |
| 49 | #endif /* _PPC_MEDIABAY_H */ |