306 #define	UD	unit[drive]
307 #define	UDT	unit[drive].disktype
364 #define	IS_BUFFERED(drive,side,track) \  argument
365     (BufferDrive == (drive) && BufferSide == (side) && BufferTrack == (track))
420 static void fd_select_drive( int drive );
426 static int do_format(int drive, int type, struct atari_format_descr *desc);
427 static void do_fd_action( int drive );
441 static void setup_req_params( int drive );
444 static void fd_probe( int drive );
445 static int fd_test_drive_present( int drive );
508 static void fd_select_drive( int drive )  in fd_select_drive()  argument
513 	if (drive == SelectedDrive)  in fd_select_drive()
520 	sound_ym.wd_data = (tmp | DSKDRVNONE) & ~(drive == 0 ? DSKDRV0 : DSKDRV1);  in fd_select_drive()
533 	SelectedDrive = drive;  in fd_select_drive()
599 	static int    drive = 0;  in check_change()  local
605 	if (++drive > 1 || !UD.connected)  in check_change()
606 		drive = 0;  in check_change()
615 			               ~(drive == 0 ? DSKDRV0 : DSKDRV1);  in check_change()
620 			DPRINT(( "wpstat[%d] = %d\n", drive, stat ));  in check_change()
622 			set_bit (drive, &changed_floppies);  in check_change()
724 static int do_format(int drive, int type, struct atari_format_descr *desc)  in do_format()  argument
739 	q = unit[drive].disk[type]->queue;  in do_format()
790 	do_fd_action( drive );  in do_format()
811 static void do_fd_action( int drive )  in do_fd_action()  argument
817 	    if (IS_BUFFERED( drive, ReqSide, ReqTrack )) {  in do_fd_action()
822 			setup_req_params( drive );  in do_fd_action()
839 	if (SelectedDrive != drive)  in do_fd_action()
840 		fd_select_drive( drive );  in do_fd_action()
1413 	unsigned int drive = p - unit;  in floppy_check_events()  local
1414 	if (test_bit (drive, &fake_change)) {  in floppy_check_events()
1418 	if (test_bit (drive, &changed_floppies)) {  in floppy_check_events()
1435 	unsigned int drive = p - unit;  in floppy_revalidate()  local
1437 	if (test_bit(drive, &changed_floppies) ||  in floppy_revalidate()
1438 	    test_bit(drive, &fake_change) ||  in floppy_revalidate()
1443 		clear_bit(drive, &fake_change);  in floppy_revalidate()
1444 		clear_bit(drive, &changed_floppies);  in floppy_revalidate()
1448 		if (default_params[drive].blocks == 0)  in floppy_revalidate()
1451 			UDT = &default_params[drive];  in floppy_revalidate()
1459 static void setup_req_params( int drive )  in setup_req_params()  argument
1491 	int drive = floppy - unit;  in ataflop_queue_rq()  local
1512 		printk(KERN_ERR "Unknown Device: fd%d\n", drive );  in ataflop_queue_rq()
1528 			printk(KERN_WARNING "fd%d: invalid disk format", drive );  in ataflop_queue_rq()
1533 			printk(KERN_WARNING "fd%d: unsupported disk format", drive );  in ataflop_queue_rq()
1550 	setup_req_params( drive );  in ataflop_queue_rq()
1551 	do_fd_action( drive );  in ataflop_queue_rq()
1567 	int drive = floppy - unit;  in fd_locked_ioctl()  local
1587 			        drive, dtp, dtp->name);  in fd_locked_ioctl()
1632 			drive, setprm.size, setprm.sect, setprm.stretch);  in fd_locked_ioctl()
1662 				        drive, dtp->name, dtp);  in fd_locked_ioctl()
1668 				  default_params[drive].name    = dtp->name;  in fd_locked_ioctl()
1669 				  default_params[drive].spt     = dtp->spt;  in fd_locked_ioctl()
1670 				  default_params[drive].blocks  = dtp->blocks;  in fd_locked_ioctl()
1671 				  default_params[drive].fdc_speed = dtp->fdc_speed;  in fd_locked_ioctl()
1672 				  default_params[drive].stretch = dtp->stretch;  in fd_locked_ioctl()
1684 			dtp = &default_params[drive];  in fd_locked_ioctl()
1687 			dtp = &user_params[drive];  in fd_locked_ioctl()
1700 				drive, dtp->blocks, dtp->spt, dtp->stretch);  in fd_locked_ioctl()
1726 		return do_format(drive, type, &fmt_desc);  in fd_locked_ioctl()
1730 		default_params[drive].blocks  = 0;  in fd_locked_ioctl()
1737 		set_bit(drive, &fake_change);  in fd_locked_ioctl()
1760 static void __init fd_probe( int drive )  in fd_probe()  argument
1765 	if (!fd_test_drive_present( drive ))  in fd_probe()
1770 	switch( UserSteprate[drive] ) {  in fd_probe()
1803 static int __init fd_test_drive_present( int drive )  in fd_test_drive_present()  argument
1809 	if (drive >= (MACH_IS_FALCON ? 1 : 2)) return( 0 );  in fd_test_drive_present()
1810 	fd_select_drive( drive );  in fd_test_drive_present()
1852 	int drive, cnt = 0;  in config_types()  local
1859 	for( drive = 0; drive < FD_MAX_UNITS; drive++ ) {  in config_types()
1860 		fd_probe( drive );  in config_types()
1862 			printk(KERN_INFO "fd%d\n", drive);  in config_types()
1968 static int ataflop_alloc_disk(unsigned int drive, unsigned int type)  in ataflop_alloc_disk()  argument
1972 	disk = blk_mq_alloc_disk(&unit[drive].tag_set, NULL);  in ataflop_alloc_disk()
1977 	disk->first_minor = drive + (type << 2);  in ataflop_alloc_disk()
1979 	sprintf(disk->disk_name, "fd%d", drive);  in ataflop_alloc_disk()
1982 	disk->private_data = &unit[drive];  in ataflop_alloc_disk()
1985 	unit[drive].disk[type] = disk;  in ataflop_alloc_disk()
1993 	int drive = MINOR(dev) & 3;  in ataflop_probe()  local
1999 	if (drive >= FD_MAX_UNITS || type >= NUM_DISK_MINORS)  in ataflop_probe()
2002 	if (!unit[drive].disk[type]) {  in ataflop_probe()
2003 		if (ataflop_alloc_disk(drive, type) == 0)  in ataflop_probe()
2004 			add_disk(unit[drive].disk[type]);  in ataflop_probe()