1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
/****************************************************************************
******* *******
******* 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
|
