1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/drivers/osx_iokit.h	Sat Jul 05 11:57:36 2008 +0000
     1.3 @@ -0,0 +1,80 @@
     1.4 +/**
     1.5 + * $Id: osx_iokit.h 687 2008-05-12 10:00:13Z nkeynes $
     1.6 + *
     1.7 + * General OS X IOKit support (primarily for cdrom support)
     1.8 + *
     1.9 + * Copyright (c) 2008 Nathan Keynes.
    1.10 + *
    1.11 + * This program is free software; you can redistribute it and/or modify
    1.12 + * it under the terms of the GNU General Public License as published by
    1.13 + * the Free Software Foundation; either version 2 of the License, or
    1.14 + * (at your option) any later version.
    1.15 + *
    1.16 + * This program is distributed in the hope that it will be useful,
    1.17 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.18 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.19 + * GNU General Public License for more details.
    1.20 + */
    1.21 +
    1.22 +#ifndef lxdream_osx_iokit_H
    1.23 +#define lxdream_osx_iokit_H 1
    1.24 +
    1.25 +#include <IOKit/IOKitLib.h>
    1.26 +#include <IOKit/IOBSD.h>
    1.27 +#include <IOKit/storage/IOStorageDeviceCharacteristics.h>
    1.28 +#include <IOKit/storage/IOCDMediaBSDClient.h>
    1.29 +#include "lxdream.h"
    1.30 +#include "hook.h"
    1.31 +
    1.32 +/**
    1.33 + * CD-ROM drive visitor. Returns FALSE to continue iterating, TRUE if the desired CD-ROM
    1.34 + * has been found. In the latter case, the io_object is returned from find_cdrom_device
    1.35 + * (and not freed)
    1.36 + */ 
    1.37 +typedef gboolean (*find_drive_callback_t)( io_object_t object, char *vendor, char *product,
    1.38 +                                           char *iopath, void *user_data );
    1.39 +
    1.40 +/**
    1.41 + * Search for a CD or DVD drive (instance of IODVDServices or IOCompactDiscServices).
    1.42 + * The callback will be called repeatedly until either it returns TRUE, or all drives
    1.43 + * have been iterated over.
    1.44 + * 
    1.45 + * @return an IO registry entry for the matched drive, or 0 if no drives matched.
    1.46 + * 
    1.47 + * Note: Use of IOCompactDiscServices is somewhat tentative since I don't have a Mac
    1.48 + * with a CD-Rom drive.
    1.49 + */ 
    1.50 +io_object_t find_cdrom_drive( find_drive_callback_t callback, void *user_data );
    1.51 +
    1.52 +typedef struct osx_cdrom_drive *osx_cdrom_drive_t;
    1.53 +
    1.54 +/**
    1.55 + * Construct an osx_cdrom_drive_t on the given device specification.
    1.56 + * @return a new osx_cdrom_drive_t, or NULL if the device name was invalid.
    1.57 + */
    1.58 +
    1.59 +osx_cdrom_drive_t osx_cdrom_open_drive( const char *devname );
    1.60 +
    1.61 +typedef void (*media_changed_callback_t)( osx_cdrom_drive_t drive, gboolean disc_present, void *user_data ); 
    1.62 +
    1.63 +/**
    1.64 + * Set the media changed callback for the drive. (NULL == no callback)
    1.65 + */
    1.66 +void osx_cdrom_set_media_changed_callback( osx_cdrom_drive_t drive, 
    1.67 +                                           media_changed_callback_t callback, 
    1.68 +                                           void *user_data );
    1.69 +
    1.70 +/**
    1.71 + * Return a file handle for the cdrom drive (actually for the media).
    1.72 + * @return an open file handle, or -1 if there was no media present or
    1.73 + * the media could not be opened.
    1.74 + */
    1.75 +int osx_cdrom_get_media_handle( osx_cdrom_drive_t drive );
    1.76 +
    1.77 +void osx_cdrom_release_media_handle( osx_cdrom_drive_t drive );
    1.78 +
    1.79 +/** Close on osx_cdrom_drive_t and release all associated resources.
    1.80 + */
    1.81 +void osx_cdrom_close_drive( osx_cdrom_drive_t drive );
    1.82 +
    1.83 +#endif /* !lxdream_osx_iokit_H */