4.1cBSD/a/sys/vaxuba/dmreg.h
/* dmreg.h 4.1 82/12/30 */
/*
* DM-11 device register definitions.
*/
struct dmdevice {
short dmcsr; /* control status register */
short dmlstat; /* line status register */
short dmpad1[2];
};
/* bits in dm csr */
#define DM_RF 0100000 /* ring flag */
#define DM_CF 0040000 /* carrier flag */
#define DM_CTS 0020000 /* clear to send */
#define DM_SRF 0010000 /* secondary receive flag */
#define DM_CS 0004000 /* clear scan */
#define DM_CM 0002000 /* clear multiplexor */
#define DM_MM 0001000 /* maintenance mode */
#define DM_STP 0000400 /* step */
#define DM_DONE 0000200 /* scanner is done */
#define DM_IE 0000100 /* interrupt enable */
#define DM_SE 0000040 /* scan enable */
#define DM_BUSY 0000020 /* scan busy */
/* bits in dm lsr */
#define DML_RNG 0000200 /* ring */
#define DML_CAR 0000100 /* carrier detect */
#define DML_CTS 0000040 /* clear to send */
#define DML_SR 0000020 /* secondary receive */
#define DML_ST 0000010 /* secondary transmit */
#define DML_RTS 0000004 /* request to send */
#define DML_DTR 0000002 /* data terminal ready */
#define DML_LE 0000001 /* line enable */
#define DML_ON (DML_DTR|DML_RTS|DML_LE)
#define DML_OFF (DML_LE)