arch/powerpc/include/asm/mediabay.h

   1 /*
   2  * mediabay.h: definitions for using the media bay
   3  * on PowerBook 3400 and similar computers.
   4  *
   5  * Copyright (C) 1997 Paul Mackerras.
   6  */
   7 #ifndef _PPC_MEDIABAY_H
   8 #define _PPC_MEDIABAY_H
   9
  10 #ifdef __KERNEL__
  11
  12 #define MB_FD           0       /* media bay contains floppy drive (automatic eject ?) */
  13 #define MB_FD1          1       /* media bay contains floppy drive (manual eject ?) */
  14 #define MB_SOUND        2       /* sound device ? */
  15 #define MB_CD           3       /* media bay contains ATA drive such as CD or ZIP */
  16 #define MB_PCI          5       /* media bay contains a PCI device */
  17 #define MB_POWER        6       /* media bay contains a Power device (???) */
  18 #define MB_NO           7       /* media bay contains nothing */
  19
  20 /* Number of bays in the machine or 0 */
  21 extern int media_bay_count;
  22
  23 #ifdef CONFIG_BLK_DEV_IDE_PMAC
  24 #include <linux/ide.h>
  25
  26 int check_media_bay_by_base(unsigned long base, int what);
  27 /* called by IDE PMAC host driver to register IDE controller for media bay */
  28 int media_bay_set_ide_infos(struct device_node *which_bay, unsigned long base,
  29                             int irq, ide_hwif_t *hwif);
  30
  31 int check_media_bay(struct device_node *which_bay, int what);
  32
  33 #else
  34
  35 static inline int check_media_bay(struct device_node *which_bay, int what)
  36 {
  37         return -ENODEV;
  38 }
  39
  40 #endif
  41
  42 #endif /* __KERNEL__ */
  43 #endif /* _PPC_MEDIABAY_H */