309 #define	UD	unit[drive]
310 #define	UDT	unit[drive].disktype
367 #define	IS_BUFFERED(drive,side,track) \  argument
368     (BufferDrive == (drive) && BufferSide == (side) && BufferTrack == (track))
423 static void fd_select_drive( int drive );
429 static int do_format(int drive, int type, struct atari_format_descr *desc);
430 static void do_fd_action( int drive );
444 static void setup_req_params( int drive );
447 static void fd_probe( int drive );
448 static int fd_test_drive_present( int drive );
521 static void fd_select_drive( int drive )  in fd_select_drive()  argument
526 	if (drive == SelectedDrive)  in fd_select_drive()
533 	sound_ym.wd_data = (tmp | DSKDRVNONE) & ~(drive == 0 ? DSKDRV0 : DSKDRV1);  in fd_select_drive()
546 	SelectedDrive = drive;  in fd_select_drive()
612 	static int    drive = 0;  in check_change()  local
618 	if (++drive > 1 || !UD.connected)  in check_change()
619 		drive = 0;  in check_change()
628 			               ~(drive == 0 ? DSKDRV0 : DSKDRV1);  in check_change()
633 			DPRINT(( "wpstat[%d] = %d\n", drive, stat ));  in check_change()
635 			set_bit (drive, &changed_floppies);  in check_change()
743 static int do_format(int drive, int type, struct atari_format_descr *desc)  in do_format()  argument
761 	q = unit[drive].disk[type]->queue;  in do_format()
813 	do_fd_action( drive );  in do_format()
835 static void do_fd_action( int drive )  in do_fd_action()  argument
841 	    if (IS_BUFFERED( drive, ReqSide, ReqTrack )) {  in do_fd_action()
846 			setup_req_params( drive );  in do_fd_action()
864 	if (SelectedDrive != drive)  in do_fd_action()
865 		fd_select_drive( drive );  in do_fd_action()
1440 	unsigned int drive = p - unit;  in floppy_check_events()  local
1441 	if (test_bit (drive, &fake_change)) {  in floppy_check_events()
1445 	if (test_bit (drive, &changed_floppies)) {  in floppy_check_events()
1462 	unsigned int drive = p - unit;  in floppy_revalidate()  local
1464 	if (test_bit(drive, &changed_floppies) ||  in floppy_revalidate()
1465 	    test_bit(drive, &fake_change) || !p->disktype) {  in floppy_revalidate()
1469 		clear_bit(drive, &fake_change);  in floppy_revalidate()
1470 		clear_bit(drive, &changed_floppies);  in floppy_revalidate()
1474 		if (default_params[drive].blocks == 0)  in floppy_revalidate()
1477 			UDT = &default_params[drive];  in floppy_revalidate()
1485 static void setup_req_params( int drive )  in setup_req_params()  argument
1496 		read_track = (ReqCmd == READ && unit[drive].error_count == 0);  in setup_req_params()
1508 	int drive = floppy - unit;  in ataflop_queue_rq()  local
1512 		drive, type, blk_rq_cur_sectors(bd->rq),  in ataflop_queue_rq()
1525 	unit[drive].error_count = 0;  in ataflop_queue_rq()
1534 		printk(KERN_ERR "Unknown Device: fd%d\n", drive );  in ataflop_queue_rq()
1551 			printk(KERN_WARNING "fd%d: invalid disk format", drive );  in ataflop_queue_rq()
1557 			printk(KERN_WARNING "fd%d: unsupported disk format", drive );  in ataflop_queue_rq()
1575 	setup_req_params( drive );  in ataflop_queue_rq()
1576 	do_fd_action( drive );  in ataflop_queue_rq()
1590 	int drive = floppy - unit;  in fd_locked_ioctl()  local
1610 			        drive, dtp, dtp->name);  in fd_locked_ioctl()
1655 			drive, setprm.size, setprm.sect, setprm.stretch);  in fd_locked_ioctl()
1686 				        drive, dtp->name, dtp);  in fd_locked_ioctl()
1692 				  default_params[drive].name    = dtp->name;  in fd_locked_ioctl()
1693 				  default_params[drive].spt     = dtp->spt;  in fd_locked_ioctl()
1694 				  default_params[drive].blocks  = dtp->blocks;  in fd_locked_ioctl()
1695 				  default_params[drive].fdc_speed = dtp->fdc_speed;  in fd_locked_ioctl()
1696 				  default_params[drive].stretch = dtp->stretch;  in fd_locked_ioctl()
1708 			dtp = &default_params[drive];  in fd_locked_ioctl()
1711 			dtp = &user_params[drive];  in fd_locked_ioctl()
1724 				drive, dtp->blocks, dtp->spt, dtp->stretch);  in fd_locked_ioctl()
1752 		return do_format(drive, type, &fmt_desc);  in fd_locked_ioctl()
1756 		default_params[drive].blocks  = 0;  in fd_locked_ioctl()
1763 		set_bit(drive, &fake_change);  in fd_locked_ioctl()
1788 static void __init fd_probe( int drive )  in fd_probe()  argument
1793 	if (!fd_test_drive_present( drive ))  in fd_probe()
1798 	switch( UserSteprate[drive] ) {  in fd_probe()
1831 static int __init fd_test_drive_present( int drive )  in fd_test_drive_present()  argument
1837 	if (drive >= (MACH_IS_FALCON ? 1 : 2)) return( 0 );  in fd_test_drive_present()
1838 	fd_select_drive( drive );  in fd_test_drive_present()
1880 	int drive, cnt = 0;  in config_types()  local
1887 	for( drive = 0; drive < FD_MAX_UNITS; drive++ ) {  in config_types()
1888 		fd_probe( drive );  in config_types()
1890 			printk(KERN_INFO "fd%d\n", drive);  in config_types()
1994 static int ataflop_alloc_disk(unsigned int drive, unsigned int type)  in ataflop_alloc_disk()  argument
2001 	disk = blk_mq_alloc_disk(&unit[drive].tag_set, &lim, NULL);  in ataflop_alloc_disk()
2006 	disk->first_minor = drive + (type << 2);  in ataflop_alloc_disk()
2008 	sprintf(disk->disk_name, "fd%d", drive);  in ataflop_alloc_disk()
2012 	disk->private_data = &unit[drive];  in ataflop_alloc_disk()
2015 	unit[drive].disk[type] = disk;  in ataflop_alloc_disk()
2021 	int drive = MINOR(dev) & 3;  in ataflop_probe()  local
2027 	if (drive >= FD_MAX_UNITS || type >= NUM_DISK_MINORS)  in ataflop_probe()
2029 	if (unit[drive].disk[type])  in ataflop_probe()
2031 	if (ataflop_alloc_disk(drive, type))  in ataflop_probe()
2033 	if (add_disk(unit[drive].disk[type]))  in ataflop_probe()
2035 	unit[drive].registered[type] = true;  in ataflop_probe()
2039 	put_disk(unit[drive].disk[type]);  in ataflop_probe()
2040 	unit[drive].disk[type] = NULL;  in ataflop_probe()