122 	unsigned int head, sect, cyl, wpcom, lzone, ctl;  member
182 	if (hd_info[0].head != 0)  in hd_setup()
184 	hd_info[hdind].head = ints[2];  in hd_setup()
290 static int controller_ready(unsigned int drive, unsigned int head)  in controller_ready()  argument
297 		outb_p(0xA0 | (drive<<4) | head, HD_CURRENT);  in controller_ready()
307 		   unsigned int head,  in hd_out()  argument
320 	if (!controller_ready(disk->unit, head)) {  in hd_out()
332 	outb_p(0xA0 | (disk->unit << 4) | head, ++port);  in hd_out()
383 		hd_out(disk, disk->sect, disk->sect, disk->head-1,  in reset_hd()
561 	if (disk->head > 16) {  in do_special_op()
581 	unsigned int block, nsect, sec, track, head, cyl;  in hd_request()  local
621 	head  = track % disk->head;  in hd_request()
622 	cyl   = track / disk->head;  in hd_request()
627 		cyl, head, sec, nsect, bio_data(req->bio));  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()
665 	geo->heads = disk->head;  in hd_getgeo()
745 		set_capacity(disk, p->head * p->sect * p->cyl);  in hd_init()
751 			p->cyl, p->head, p->sect);  in hd_init()