18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * mediabay.h: definitions for using the media bay 48c2ecf20Sopenharmony_ci * on PowerBook 3400 and similar computers. 58c2ecf20Sopenharmony_ci * 68c2ecf20Sopenharmony_ci * Copyright (C) 1997 Paul Mackerras. 78c2ecf20Sopenharmony_ci */ 88c2ecf20Sopenharmony_ci#ifndef _PPC_MEDIABAY_H 98c2ecf20Sopenharmony_ci#define _PPC_MEDIABAY_H 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_ci#ifdef __KERNEL__ 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ci#define MB_FD 0 /* media bay contains floppy drive (automatic eject ?) */ 148c2ecf20Sopenharmony_ci#define MB_FD1 1 /* media bay contains floppy drive (manual eject ?) */ 158c2ecf20Sopenharmony_ci#define MB_SOUND 2 /* sound device ? */ 168c2ecf20Sopenharmony_ci#define MB_CD 3 /* media bay contains ATA drive such as CD or ZIP */ 178c2ecf20Sopenharmony_ci#define MB_PCI 5 /* media bay contains a PCI device */ 188c2ecf20Sopenharmony_ci#define MB_POWER 6 /* media bay contains a Power device (???) */ 198c2ecf20Sopenharmony_ci#define MB_NO 7 /* media bay contains nothing */ 208c2ecf20Sopenharmony_ci 218c2ecf20Sopenharmony_cistruct macio_dev; 228c2ecf20Sopenharmony_ci 238c2ecf20Sopenharmony_ci#ifdef CONFIG_PMAC_MEDIABAY 248c2ecf20Sopenharmony_ci 258c2ecf20Sopenharmony_ci/* Check the content type of the bay, returns MB_NO if the bay is still 268c2ecf20Sopenharmony_ci * transitionning 278c2ecf20Sopenharmony_ci */ 288c2ecf20Sopenharmony_ciextern int check_media_bay(struct macio_dev *bay); 298c2ecf20Sopenharmony_ci 308c2ecf20Sopenharmony_ci/* The ATA driver uses the calls below to temporarily hold on the 318c2ecf20Sopenharmony_ci * media bay callbacks while initializing the interface 328c2ecf20Sopenharmony_ci */ 338c2ecf20Sopenharmony_ciextern void lock_media_bay(struct macio_dev *bay); 348c2ecf20Sopenharmony_ciextern void unlock_media_bay(struct macio_dev *bay); 358c2ecf20Sopenharmony_ci 368c2ecf20Sopenharmony_ci#else 378c2ecf20Sopenharmony_ci 388c2ecf20Sopenharmony_cistatic inline int check_media_bay(struct macio_dev *bay) 398c2ecf20Sopenharmony_ci{ 408c2ecf20Sopenharmony_ci return MB_NO; 418c2ecf20Sopenharmony_ci} 428c2ecf20Sopenharmony_ci 438c2ecf20Sopenharmony_cistatic inline void lock_media_bay(struct macio_dev *bay) { } 448c2ecf20Sopenharmony_cistatic inline void unlock_media_bay(struct macio_dev *bay) { } 458c2ecf20Sopenharmony_ci 468c2ecf20Sopenharmony_ci#endif 478c2ecf20Sopenharmony_ci 488c2ecf20Sopenharmony_ci#endif /* __KERNEL__ */ 498c2ecf20Sopenharmony_ci#endif /* _PPC_MEDIABAY_H */ 50