projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| da7c5cc6 KM |
1 | /* |
| 2 | * Copyright (c) 1982 Regents of the University of California. | |
| 3 | * All rights reserved. The Berkeley software License Agreement | |
| 4 | * specifies the terms and conditions for redistribution. | |
| 5 | * | |
| 6 | * @(#)dmreg.h 6.2 (Berkeley) %G% | |
| 7 | */ | |
| 5833b248 SL |
8 | |
| 9 | /* | |
| 10 | * DM-11 device register definitions. | |
| 11 | */ | |
| 12 | struct dmdevice { | |
| 13 | short dmcsr; /* control status register */ | |
| 14 | short dmlstat; /* line status register */ | |
| 15 | short dmpad1[2]; | |
| 16 | }; | |
| 17 | ||
| 18 | /* bits in dm csr */ | |
| 19 | #define DM_RF 0100000 /* ring flag */ | |
| 20 | #define DM_CF 0040000 /* carrier flag */ | |
| 21 | #define DM_CTS 0020000 /* clear to send */ | |
| 22 | #define DM_SRF 0010000 /* secondary receive flag */ | |
| 23 | #define DM_CS 0004000 /* clear scan */ | |
| 24 | #define DM_CM 0002000 /* clear multiplexor */ | |
| 25 | #define DM_MM 0001000 /* maintenance mode */ | |
| 26 | #define DM_STP 0000400 /* step */ | |
| 27 | #define DM_DONE 0000200 /* scanner is done */ | |
| 28 | #define DM_IE 0000100 /* interrupt enable */ | |
| 29 | #define DM_SE 0000040 /* scan enable */ | |
| 30 | #define DM_BUSY 0000020 /* scan busy */ | |
| 31 | ||
| 32 | /* bits in dm lsr */ | |
| 33 | #define DML_RNG 0000200 /* ring */ | |
| 34 | #define DML_CAR 0000100 /* carrier detect */ | |
| 35 | #define DML_CTS 0000040 /* clear to send */ | |
| 36 | #define DML_SR 0000020 /* secondary receive */ | |
| 37 | #define DML_ST 0000010 /* secondary transmit */ | |
| 38 | #define DML_RTS 0000004 /* request to send */ | |
| 39 | #define DML_DTR 0000002 /* data terminal ready */ | |
| 40 | #define DML_LE 0000001 /* line enable */ | |
| 41 | ||
| 42 | #define DML_ON (DML_DTR|DML_RTS|DML_LE) | |
| 43 | #define DML_OFF (DML_LE) |