226 #define	UD	unit[drive]
227 #define	UDT	unit[drive].disktype
284 #define	IS_BUFFERED(drive,side,track) \  argument
285     (BufferDrive == (drive) && BufferSide == (side) && BufferTrack == (track))
343 static void fd_select_drive( int drive );
349 static int do_format(int drive, int type, struct atari_format_descr *desc);
350 static void do_fd_action( int drive );
364 static void setup_req_params( int drive );
368 static void fd_probe( int drive );
369 static int fd_test_drive_present( int drive );
429 static void fd_select_drive( int drive )  in fd_select_drive()  argument
434 	if (drive == SelectedDrive)  in fd_select_drive()
441 	sound_ym.wd_data = (tmp | DSKDRVNONE) & ~(drive == 0 ? DSKDRV0 : DSKDRV1);  in fd_select_drive()
454 	SelectedDrive = drive;  in fd_select_drive()
520 	static int    drive = 0;  in check_change()  local
526 	if (++drive > 1 || !UD.connected)  in check_change()
527 		drive = 0;  in check_change()
536 			               ~(drive == 0 ? DSKDRV0 : DSKDRV1);  in check_change()
541 			DPRINT(( "wpstat[%d] = %d\n", drive, stat ));  in check_change()
543 			set_bit (drive, &changed_floppies);  in check_change()
646 static int do_format(int drive, int type, struct atari_format_descr *desc)  in do_format()  argument
653 		drive, desc->track, desc->head, desc->sect_offset ));  in do_format()
708 	do_fd_action( drive );  in do_format()
726 static void do_fd_action( int drive )  in do_fd_action()  argument
732 	    if (IS_BUFFERED( drive, ReqSide, ReqTrack )) {  in do_fd_action()
737 			setup_req_params( drive );  in do_fd_action()
755 	if (SelectedDrive != drive)  in do_fd_action()
756 		fd_select_drive( drive );  in do_fd_action()
1332 	unsigned int drive = p - unit;  in floppy_check_events()  local
1333 	if (test_bit (drive, &fake_change)) {  in floppy_check_events()
1337 	if (test_bit (drive, &changed_floppies)) {  in floppy_check_events()
1354 	unsigned int drive = p - unit;  in floppy_revalidate()  local
1356 	if (test_bit(drive, &changed_floppies) ||  in floppy_revalidate()
1357 	    test_bit(drive, &fake_change) ||  in floppy_revalidate()
1362 		clear_bit(drive, &fake_change);  in floppy_revalidate()
1363 		clear_bit(drive, &changed_floppies);  in floppy_revalidate()
1367 		if (default_params[drive].blocks == 0)  in floppy_revalidate()
1370 			UDT = &default_params[drive];  in floppy_revalidate()
1378 static void setup_req_params( int drive )  in setup_req_params()  argument
1423 	int drive, type;  in redo_fd_request()  local
1440 	drive = floppy - unit;  in redo_fd_request()
1445 		printk(KERN_ERR "Unknown Device: fd%d\n", drive );  in redo_fd_request()
1461 			printk(KERN_WARNING "fd%d: invalid disk format", drive );  in redo_fd_request()
1466 			printk(KERN_WARNING "fd%d: unsupported disk format", drive );  in redo_fd_request()
1488 	setup_req_params( drive );  in redo_fd_request()
1489 	do_fd_action( drive );  in redo_fd_request()
1514 	int drive = floppy - unit;  in fd_locked_ioctl()  local
1534 			        drive, dtp, dtp->name);  in fd_locked_ioctl()
1579 			drive, setprm.size, setprm.sect, setprm.stretch);  in fd_locked_ioctl()
1610 				        drive, dtp->name, dtp);  in fd_locked_ioctl()
1616 				  default_params[drive].name    = dtp->name;  in fd_locked_ioctl()
1617 				  default_params[drive].spt     = dtp->spt;  in fd_locked_ioctl()
1618 				  default_params[drive].blocks  = dtp->blocks;  in fd_locked_ioctl()
1619 				  default_params[drive].fdc_speed = dtp->fdc_speed;  in fd_locked_ioctl()
1620 				  default_params[drive].stretch = dtp->stretch;  in fd_locked_ioctl()
1632 			dtp = &default_params[drive];  in fd_locked_ioctl()
1635 			dtp = &user_params[drive];  in fd_locked_ioctl()
1648 				drive, dtp->blocks, dtp->spt, dtp->stretch);  in fd_locked_ioctl()
1676 		return do_format(drive, type, &fmt_desc);  in fd_locked_ioctl()
1680 		default_params[drive].blocks  = 0;  in fd_locked_ioctl()
1686 		set_bit(drive, &fake_change);  in fd_locked_ioctl()
1708 static void __init fd_probe( int drive )  in fd_probe()  argument
1713 	if (!fd_test_drive_present( drive ))  in fd_probe()
1718 	switch( UserSteprate[drive] ) {  in fd_probe()
1751 static int __init fd_test_drive_present( int drive )  in fd_test_drive_present()  argument
1757 	if (drive >= (MACH_IS_FALCON ? 1 : 2)) return( 0 );  in fd_test_drive_present()
1758 	fd_select_drive( drive );  in fd_test_drive_present()
1800 	int drive, cnt = 0;  in config_types()  local
1807 	for( drive = 0; drive < FD_MAX_UNITS; drive++ ) {  in config_types()
1808 		fd_probe( drive );  in config_types()
1810 			printk(KERN_INFO "fd%d\n", drive);  in config_types()
1913 	int drive = *part & 3;  in floppy_find()  local
1915 	if (drive >= FD_MAX_UNITS || type > NUM_DISK_MINORS)  in floppy_find()
1918 	return get_disk(unit[drive].disk);  in floppy_find()