#include "isa_glue.h"
#include "sio.h"
#if NSIO > 0
d_open_t	sioopen;
d_close_t	sioclose;
d_rdwr_t	sioread, siowrite;
d_ioctl_t	sioioctl;
d_stop_t	siostop;
d_ttycv_t	siodevtotty;
#define sioreset	nxreset
#else
#define sioopen		nxopen
#define sioclose	nxclose
#define sioread		nxread
#define siowrite	nxwrite
#define sioioctl	nxioctl
#define siostop		nxstop
#define sioreset	nxreset
#define	siodevtotty	nxdevtotty
#endif
static struct cdevsw gcdevsw =
	{ sioopen,	sioclose,	sioread,	siowrite,	/*28*/
	  sioioctl,	siostop,	sioreset,	siodevtotty,/* sio */
	  ttselect,	nommap,		NULL };
driver(sio, 28, 4, "PC serial port", NULL, NULL)
instance(sio, 0x3f8, IRQ4, -1, 0, 0)
instance(sio, 0x2f8, IRQ3, -1, 0, 0)
enddriver(sio)