1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * mediabay.h: definitions for using the media bay 4*4882a593Smuzhiyun * on PowerBook 3400 and similar computers. 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * Copyright (C) 1997 Paul Mackerras. 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun #ifndef _PPC_MEDIABAY_H 9*4882a593Smuzhiyun #define _PPC_MEDIABAY_H 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #ifdef __KERNEL__ 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #define MB_FD 0 /* media bay contains floppy drive (automatic eject ?) */ 14*4882a593Smuzhiyun #define MB_FD1 1 /* media bay contains floppy drive (manual eject ?) */ 15*4882a593Smuzhiyun #define MB_SOUND 2 /* sound device ? */ 16*4882a593Smuzhiyun #define MB_CD 3 /* media bay contains ATA drive such as CD or ZIP */ 17*4882a593Smuzhiyun #define MB_PCI 5 /* media bay contains a PCI device */ 18*4882a593Smuzhiyun #define MB_POWER 6 /* media bay contains a Power device (???) */ 19*4882a593Smuzhiyun #define MB_NO 7 /* media bay contains nothing */ 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun struct macio_dev; 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun #ifdef CONFIG_PMAC_MEDIABAY 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun /* Check the content type of the bay, returns MB_NO if the bay is still 26*4882a593Smuzhiyun * transitionning 27*4882a593Smuzhiyun */ 28*4882a593Smuzhiyun extern int check_media_bay(struct macio_dev *bay); 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun /* The ATA driver uses the calls below to temporarily hold on the 31*4882a593Smuzhiyun * media bay callbacks while initializing the interface 32*4882a593Smuzhiyun */ 33*4882a593Smuzhiyun extern void lock_media_bay(struct macio_dev *bay); 34*4882a593Smuzhiyun extern void unlock_media_bay(struct macio_dev *bay); 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun #else 37*4882a593Smuzhiyun check_media_bay(struct macio_dev * bay)38*4882a593Smuzhiyunstatic inline int check_media_bay(struct macio_dev *bay) 39*4882a593Smuzhiyun { 40*4882a593Smuzhiyun return MB_NO; 41*4882a593Smuzhiyun } 42*4882a593Smuzhiyun lock_media_bay(struct macio_dev * bay)43*4882a593Smuzhiyunstatic inline void lock_media_bay(struct macio_dev *bay) { } unlock_media_bay(struct macio_dev * bay)44*4882a593Smuzhiyunstatic inline void unlock_media_bay(struct macio_dev *bay) { } 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun #endif 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun #endif /* __KERNEL__ */ 49*4882a593Smuzhiyun #endif /* _PPC_MEDIABAY_H */ 50