| /**************************************************************************** |
| ******* ******* |
| ******* CIRRUS.H ******* |
| ******* ******* |
| **************************************************************************** |
| |
| Author : Jeremy Rolls |
| Date : 3 Aug 1990 |
| |
| * |
| * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| |
| Version : 0.01 |
| |
| |
| Mods |
| ---------------------------------------------------------------------------- |
| Date By Description |
| ---------------------------------------------------------------------------- |
| |
| ***************************************************************************/ |
| |
| #ifndef _cirrus_h |
| #ifndef lint |
| /* static char* _cirrus_h_sccs = "@(#)cirrus.h 1.16"; */ |
| #endif |
| #define _cirrus_h 1 |
| |
| /* Bit fields for particular registers shared with driver */ |
| |
| /* COR1 - driver and RTA */ |
| #define COR1_ODD 0x80 /* Odd parity */ |
| #define COR1_EVEN 0x00 /* Even parity */ |
| #define COR1_NOP 0x00 /* No parity */ |
| #define COR1_FORCE 0x20 /* Force parity */ |
| #define COR1_NORMAL 0x40 /* With parity */ |
| #define COR1_1STOP 0x00 /* 1 stop bit */ |
| #define COR1_15STOP 0x04 /* 1.5 stop bits */ |
| #define COR1_2STOP 0x08 /* 2 stop bits */ |
| #define COR1_5BITS 0x00 /* 5 data bits */ |
| #define COR1_6BITS 0x01 /* 6 data bits */ |
| #define COR1_7BITS 0x02 /* 7 data bits */ |
| #define COR1_8BITS 0x03 /* 8 data bits */ |
| |
| #define COR1_HOST 0xef /* Safe host bits */ |
| |
| /* RTA only */ |
| #define COR1_CINPCK 0x00 /* Check parity of received characters */ |
| #define COR1_CNINPCK 0x10 /* Don't check parity */ |
| |
| /* COR2 bits for both RTA and driver use */ |
| #define COR2_IXANY 0x80 /* IXANY - any character is XON */ |
| #define COR2_IXON 0x40 /* IXON - enable tx soft flowcontrol */ |
| #define COR2_RTSFLOW 0x02 /* Enable tx hardware flow control */ |
| |
| /* Additional driver bits */ |
| #define COR2_HUPCL 0x20 /* Hang up on close */ |
| #define COR2_CTSFLOW 0x04 /* Enable rx hardware flow control */ |
| #define COR2_IXOFF 0x01 /* Enable rx software flow control */ |
| #define COR2_DTRFLOW 0x08 /* Enable tx hardware flow control */ |
| |
| /* RTA use only */ |
| #define COR2_ETC 0x20 /* Embedded transmit options */ |
| #define COR2_LOCAL 0x10 /* Local loopback mode */ |
| #define COR2_REMOTE 0x08 /* Remote loopback mode */ |
| #define COR2_HOST 0xc2 /* Safe host bits */ |
| |
| /* COR3 - RTA use only */ |
| #define COR3_SCDRNG 0x80 /* Enable special char detect for range */ |
| #define COR3_SCD34 0x40 /* Special character detect for SCHR's 3 + 4 */ |
| #define COR3_FCT 0x20 /* Flow control transparency */ |
| #define COR3_SCD12 0x10 /* Special character detect for SCHR's 1 + 2 */ |
| #define COR3_FIFO12 0x0c /* 12 chars for receive FIFO threshold */ |
| #define COR3_FIFO10 0x0a /* 10 chars for receive FIFO threshold */ |
| #define COR3_FIFO8 0x08 /* 8 chars for receive FIFO threshold */ |
| #define COR3_FIFO6 0x06 /* 6 chars for receive FIFO threshold */ |
| |
| #define COR3_THRESHOLD COR3_FIFO8 /* MUST BE LESS THAN MCOR_THRESHOLD */ |
| |
| #define COR3_DEFAULT (COR3_FCT | COR3_THRESHOLD) |
| /* Default bits for COR3 */ |
| |
| /* COR4 driver and RTA use */ |
| #define COR4_IGNCR 0x80 /* Throw away CR's on input */ |
| #define COR4_ICRNL 0x40 /* Map CR -> NL on input */ |
| #define COR4_INLCR 0x20 /* Map NL -> CR on input */ |
| #define COR4_IGNBRK 0x10 /* Ignore Break */ |
| #define COR4_NBRKINT 0x08 /* No interrupt on break (-BRKINT) */ |
| #define COR4_RAISEMOD 0x01 /* Raise modem output lines on non-zero baud */ |
| |
| |
| /* COR4 driver only */ |
| #define COR4_IGNPAR 0x04 /* IGNPAR (ignore characters with errors) */ |
| #define COR4_PARMRK 0x02 /* PARMRK */ |
| |
| #define COR4_HOST 0xf8 /* Safe host bits */ |
| |
| /* COR4 RTA only */ |
| #define COR4_CIGNPAR 0x02 /* Thrown away bad characters */ |
| #define COR4_CPARMRK 0x04 /* PARMRK characters */ |
| #define COR4_CNPARMRK 0x03 /* Don't PARMRK */ |
| |
| /* COR5 driver and RTA use */ |
| #define COR5_ISTRIP 0x80 /* Strip input chars to 7 bits */ |
| #define COR5_LNE 0x40 /* Enable LNEXT processing */ |
| #define COR5_CMOE 0x20 /* Match good and errored characters */ |
| #define COR5_ONLCR 0x02 /* NL -> CR NL on output */ |
| #define COR5_OCRNL 0x01 /* CR -> NL on output */ |
| |
| /* |
| ** Spare bits - these are not used in the CIRRUS registers, so we use |
| ** them to set various other features. |
| */ |
| /* |
| ** tstop and tbusy indication |
| */ |
| #define COR5_TSTATE_ON 0x08 /* Turn on monitoring of tbusy and tstop */ |
| #define COR5_TSTATE_OFF 0x04 /* Turn off monitoring of tbusy and tstop */ |
| /* |
| ** TAB3 |
| */ |
| #define COR5_TAB3 0x10 /* TAB3 mode */ |
| |
| #define COR5_HOST 0xc3 /* Safe host bits */ |
| |
| /* CCSR */ |
| #define CCSR_TXFLOFF 0x04 /* Tx is xoffed */ |
| |
| /* MSVR1 */ |
| /* NB. DTR / CD swapped from Cirrus spec as the pins are also reversed on the |
| RTA. This is because otherwise DCD would get lost on the 1 parallel / 3 |
| serial option. |
| */ |
| #define MSVR1_CD 0x80 /* CD (DSR on Cirrus) */ |
| #define MSVR1_RTS 0x40 /* RTS (CTS on Cirrus) */ |
| #define MSVR1_RI 0x20 /* RI */ |
| #define MSVR1_DTR 0x10 /* DTR (CD on Cirrus) */ |
| #define MSVR1_CTS 0x01 /* CTS output pin (RTS on Cirrus) */ |
| /* Next two used to indicate state of tbusy and tstop to driver */ |
| #define MSVR1_TSTOP 0x08 /* Set if port flow controlled */ |
| #define MSVR1_TEMPTY 0x04 /* Set if port tx buffer empty */ |
| |
| #define MSVR1_HOST 0xf3 /* The bits the host wants */ |
| |
| /* Defines for the subscripts of a CONFIG packet */ |
| #define CONFIG_COR1 1 /* Option register 1 */ |
| #define CONFIG_COR2 2 /* Option register 2 */ |
| #define CONFIG_COR4 3 /* Option register 4 */ |
| #define CONFIG_COR5 4 /* Option register 5 */ |
| #define CONFIG_TXXON 5 /* Tx XON character */ |
| #define CONFIG_TXXOFF 6 /* Tx XOFF character */ |
| #define CONFIG_RXXON 7 /* Rx XON character */ |
| #define CONFIG_RXXOFF 8 /* Rx XOFF character */ |
| #define CONFIG_LNEXT 9 /* LNEXT character */ |
| #define CONFIG_TXBAUD 10 /* Tx baud rate */ |
| #define CONFIG_RXBAUD 11 /* Rx baud rate */ |
| |
| #define PRE_EMPTIVE 0x80 /* Pre-emptive bit in command field */ |
| |
| /* Packet types going from Host to remote - with the exception of OPEN, MOPEN, |
| CONFIG, SBREAK and MEMDUMP the remaining bytes of the data array will not |
| be used |
| */ |
| #define OPEN 0x00 /* Open a port */ |
| #define CONFIG 0x01 /* Configure a port */ |
| #define MOPEN 0x02 /* Modem open (block for DCD) */ |
| #define CLOSE 0x03 /* Close a port */ |
| #define WFLUSH (0x04 | PRE_EMPTIVE) /* Write flush */ |
| #define RFLUSH (0x05 | PRE_EMPTIVE) /* Read flush */ |
| #define RESUME (0x06 | PRE_EMPTIVE) /* Resume if xoffed */ |
| #define SBREAK 0x07 /* Start break */ |
| #define EBREAK 0x08 /* End break */ |
| #define SUSPEND (0x09 | PRE_EMPTIVE) /* Susp op (behave as tho xoffed) */ |
| #define FCLOSE (0x0a | PRE_EMPTIVE) /* Force close */ |
| #define XPRINT 0x0b /* Xprint packet */ |
| #define MBIS (0x0c | PRE_EMPTIVE) /* Set modem lines */ |
| #define MBIC (0x0d | PRE_EMPTIVE) /* Clear modem lines */ |
| #define MSET (0x0e | PRE_EMPTIVE) /* Set modem lines */ |
| #define PCLOSE 0x0f /* Pseudo close - Leaves rx/tx enabled */ |
| #define MGET (0x10 | PRE_EMPTIVE) /* Force update of modem status */ |
| #define MEMDUMP (0x11 | PRE_EMPTIVE) /* Send back mem from addr supplied */ |
| #define READ_REGISTER (0x12 | PRE_EMPTIVE) /* Read CD1400 register (debug) */ |
| |
| /* "Command" packets going from remote to host COMPLETE and MODEM_STATUS |
| use data[4] / data[3] to indicate current state and modem status respectively |
| */ |
| |
| #define COMPLETE (0x20 | PRE_EMPTIVE) |
| /* Command complete */ |
| #define BREAK_RECEIVED (0x21 | PRE_EMPTIVE) |
| /* Break received */ |
| #define MODEM_STATUS (0x22 | PRE_EMPTIVE) |
| /* Change in modem status */ |
| |
| /* "Command" packet that could go either way - handshake wake-up */ |
| #define HANDSHAKE (0x23 | PRE_EMPTIVE) |
| /* Wake-up to HOST / RTA */ |
| |
| #endif |