304 static void hd_out(struct hd_i_struct *disk,  in hd_out()  argument
320 	if (!controller_ready(disk->unit, head)) {  in hd_out()
325 	outb_p(disk->ctl, HD_CMD);  in hd_out()
327 	outb_p(disk->wpcom >> 2, ++port);  in hd_out()
332 	outb_p(0xA0 | (disk->unit << 4) | head, ++port);  in hd_out()
381 		struct hd_i_struct *disk = &hd_info[i];  in reset_hd()  local
382 		disk->special_op = disk->recalibrate = 1;  in reset_hd()
383 		hd_out(disk, disk->sect, disk->sect, disk->head-1,  in reset_hd()
384 			disk->cyl, ATA_CMD_INIT_DEV_PARAMS, &reset_hd);  in reset_hd()
420 		struct hd_i_struct *disk = req->rq_disk->private_data;  in bad_rw_intr()  local
423 			disk->special_op = disk->recalibrate = 1;  in bad_rw_intr()
427 			disk->special_op = disk->recalibrate = 1;  in bad_rw_intr()
554 static int do_special_op(struct hd_i_struct *disk, struct request *req)  in do_special_op()  argument
556 	if (disk->recalibrate) {  in do_special_op()
557 		disk->recalibrate = 0;  in do_special_op()
558 		hd_out(disk, disk->sect, 0, 0, 0, ATA_CMD_RESTORE, &recal_intr);  in do_special_op()
561 	if (disk->head > 16) {  in do_special_op()
565 	disk->special_op = 0;  in do_special_op()
582 	struct hd_i_struct *disk;  in hd_request()  local
603 	disk = req->rq_disk->private_data;  in hd_request()
614 	if (disk->special_op) {  in hd_request()
615 		if (do_special_op(disk, req))  in hd_request()
619 	sec   = block % disk->sect + 1;  in hd_request()
620 	track = block / disk->sect;  in hd_request()
621 	head  = track % disk->head;  in hd_request()
622 	cyl   = track / disk->head;  in hd_request()
632 			hd_out(disk, nsect, sec, head, cyl, ATA_CMD_PIO_READ,  in hd_request()
638 			hd_out(disk, nsect, sec, head, cyl, ATA_CMD_PIO_WRITE,  in hd_request()
663 	struct hd_i_struct *disk = bdev->bd_disk->private_data;  in hd_getgeo()  local
665 	geo->heads = disk->head;  in hd_getgeo()
666 	geo->sectors = disk->sect;  in hd_getgeo()
667 	geo->cylinders = disk->cyl;  in hd_getgeo()
736 		struct gendisk *disk = alloc_disk(64);  in hd_init()  local
738 		if (!disk)  in hd_init()
740 		disk->major = HD_MAJOR;  in hd_init()
741 		disk->first_minor = drive << 6;  in hd_init()
742 		disk->fops = &hd_fops;  in hd_init()
743 		sprintf(disk->disk_name, "hd%c", 'a'+drive);  in hd_init()
744 		disk->private_data = p;  in hd_init()
745 		set_capacity(disk, p->head * p->sect * p->cyl);  in hd_init()
746 		disk->queue = hd_queue;  in hd_init()
748 		hd_gendisk[drive] = disk;  in hd_init()
750 			disk->disk_name, (unsigned long)get_capacity(disk)/2048,  in hd_init()