162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * mediabay.h: definitions for using the media bay 462306a36Sopenharmony_ci * on PowerBook 3400 and similar computers. 562306a36Sopenharmony_ci * 662306a36Sopenharmony_ci * Copyright (C) 1997 Paul Mackerras. 762306a36Sopenharmony_ci */ 862306a36Sopenharmony_ci#ifndef _PPC_MEDIABAY_H 962306a36Sopenharmony_ci#define _PPC_MEDIABAY_H 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci#ifdef __KERNEL__ 1262306a36Sopenharmony_ci 1362306a36Sopenharmony_ci#define MB_FD 0 /* media bay contains floppy drive (automatic eject ?) */ 1462306a36Sopenharmony_ci#define MB_FD1 1 /* media bay contains floppy drive (manual eject ?) */ 1562306a36Sopenharmony_ci#define MB_SOUND 2 /* sound device ? */ 1662306a36Sopenharmony_ci#define MB_CD 3 /* media bay contains ATA drive such as CD or ZIP */ 1762306a36Sopenharmony_ci#define MB_PCI 5 /* media bay contains a PCI device */ 1862306a36Sopenharmony_ci#define MB_POWER 6 /* media bay contains a Power device (???) */ 1962306a36Sopenharmony_ci#define MB_NO 7 /* media bay contains nothing */ 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_cistruct macio_dev; 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_ci#ifdef CONFIG_PMAC_MEDIABAY 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_ci/* Check the content type of the bay, returns MB_NO if the bay is still 2662306a36Sopenharmony_ci * transitionning 2762306a36Sopenharmony_ci */ 2862306a36Sopenharmony_ciextern int check_media_bay(struct macio_dev *bay); 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_ci/* The ATA driver uses the calls below to temporarily hold on the 3162306a36Sopenharmony_ci * media bay callbacks while initializing the interface 3262306a36Sopenharmony_ci */ 3362306a36Sopenharmony_ciextern void lock_media_bay(struct macio_dev *bay); 3462306a36Sopenharmony_ciextern void unlock_media_bay(struct macio_dev *bay); 3562306a36Sopenharmony_ci 3662306a36Sopenharmony_ci#else 3762306a36Sopenharmony_ci 3862306a36Sopenharmony_cistatic inline int check_media_bay(struct macio_dev *bay) 3962306a36Sopenharmony_ci{ 4062306a36Sopenharmony_ci return MB_NO; 4162306a36Sopenharmony_ci} 4262306a36Sopenharmony_ci 4362306a36Sopenharmony_cistatic inline void lock_media_bay(struct macio_dev *bay) { } 4462306a36Sopenharmony_cistatic inline void unlock_media_bay(struct macio_dev *bay) { } 4562306a36Sopenharmony_ci 4662306a36Sopenharmony_ci#endif 4762306a36Sopenharmony_ci 4862306a36Sopenharmony_ci#endif /* __KERNEL__ */ 4962306a36Sopenharmony_ci#endif /* _PPC_MEDIABAY_H */ 50