2 ** -----------------------------------------------------------------------------
4 ** Perle Specialix driver for Linux
5 ** Ported from existing RIO Driver for SCO sources.
7 * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 ** Last Modified : 11/6/98 11:34:12
26 ** Retrieved : 11/6/98 11:34:21
28 ** ident @(#)port.h 1.3
30 ** -----------------------------------------------------------------------------
33 #ifndef __rio_port_h__
34 #define __rio_port_h__
37 static char *_port_h_sccs_ = "@(#)port.h 1.3";
45 ** the port data structure - one per port in the system
51 ** interrupt statistics
59 ** throughput statistics
67 ** driver entry statistics
91 ** Port data structure
95 int PortNum; /* RIO port no., 0-511 */
97 volatile caddr_t Caddr;
98 ushort HostPort; /* Port number on host card */
99 uchar RupNum; /* Number of RUP for port */
100 uchar ID2; /* Second ID of RTA for port */
101 ulong State; /* FLAGS for open & xopen */
102 #define RIO_LOPEN 0x00001 /* Local open */
103 #define RIO_MOPEN 0x00002 /* Modem open */
104 #define RIO_WOPEN 0x00004 /* Waiting for open */
105 #define RIO_CLOSING 0x00008 /* The port is being close */
106 #define RIO_XPBUSY 0x00010 /* Transparent printer busy */
107 #define RIO_BREAKING 0x00020 /* Break in progress */
108 #define RIO_DIRECT 0x00040 /* Doing Direct output */
109 #define RIO_EXCLUSIVE 0x00080 /* Stream open for exclusive use */
110 #define RIO_NDELAY 0x00100 /* Stream is open FNDELAY */
111 #define RIO_CARR_ON 0x00200 /* Stream has carrier present */
112 #define RIO_XPWANTR 0x00400 /* Stream wanted by Xprint */
113 #define RIO_RBLK 0x00800 /* Stream is read-blocked */
114 #define RIO_BUSY 0x01000 /* Stream is BUSY for write */
115 #define RIO_TIMEOUT 0x02000 /* Stream timeout in progress */
116 #define RIO_TXSTOP 0x04000 /* Stream output is stopped */
117 #define RIO_WAITFLUSH 0x08000 /* Stream waiting for flush */
118 #define RIO_DYNOROD 0x10000 /* Drain failed */
119 #define RIO_DELETED 0x20000 /* RTA has been deleted */
120 #define RIO_ISSCANCODE 0x40000 /* This line is in scancode mode */
121 #define RIO_USING_EUC 0x100000 /* Using extended Unix chars */
122 #define RIO_CAN_COOK 0x200000 /* This line can do cooking */
123 #define RIO_TRIAD_MODE 0x400000 /* Enable TRIAD special ops. */
124 #define RIO_TRIAD_BLOCK 0x800000 /* Next read will block */
125 #define RIO_TRIAD_FUNC 0x1000000 /* Seen a function key coming in */
126 #define RIO_THROTTLE_RX 0x2000000 /* RX needs to be throttled. */
128 ulong Config; /* FLAGS for NOREAD.... */
129 #define RIO_NOREAD 0x0001 /* Are not allowed to read port */
130 #define RIO_NOWRITE 0x0002 /* Are not allowed to write port */
131 #define RIO_NOXPRINT 0x0004 /* Are not allowed to xprint port */
132 #define RIO_NOMASK 0x0007 /* All not allowed things */
133 #define RIO_IXANY 0x0008 /* Port is allowed ixany */
134 #define RIO_MODEM 0x0010 /* Stream is a modem device */
135 #define RIO_IXON 0x0020 /* Port is allowed ixon */
136 #define RIO_WAITDRAIN 0x0040 /* Wait for port to completely drain */
137 #define RIO_MAP_50_TO_50 0x0080 /* Map 50 baud to 50 baud */
138 #define RIO_MAP_110_TO_110 0x0100 /* Map 110 baud to 110 baud */
141 ** 15.10.1998 ARG - ESIL 0761 prt fix
142 ** As LynxOS does not appear to support Hardware Flow Control .....
143 ** Define our own flow control flags in 'Config'.
145 #define RIO_CTSFLOW 0x0200 /* RIO's own CTSFLOW flag */
146 #define RIO_RTSFLOW 0x0400 /* RIO's own RTSFLOW flag */
149 struct PHB *PhbP; /* pointer to PHB for port */
150 WORD *TxAdd; /* Add packets here */
151 WORD *TxStart; /* Start of add array */
152 WORD *TxEnd; /* End of add array */
153 WORD *RxRemove; /* Remove packets here */
154 WORD *RxStart; /* Start of remove array */
155 WORD *RxEnd; /* End of remove array */
156 uint RtaUniqueNum; /* Unique number of RTA */
157 ushort PortState; /* status of port */
158 ushort ModemState; /* status of modem lines */
159 ulong ModemLines; /* Modem bits sent to RTA */
160 uchar CookMode; /* who expands CR/LF? */
161 uchar ParamSem; /* Prevent write during param */
162 uchar Mapped; /* if port mapped onto host */
163 uchar SecondBlock; /* if port belongs to 2nd block
165 uchar InUse; /* how many pre-emptive cmds */
166 uchar Lock; /* if params locked */
167 uchar Store; /* if params stored across closes */
168 uchar FirstOpen; /* TRUE if first time port opened */
169 uchar FlushCmdBodge; /* if doing a (non)flush */
170 uchar MagicFlags; /* require intr processing */
171 #define MAGIC_FLUSH 0x01 /* mirror of WflushFlag */
172 #define MAGIC_REBOOT 0x02 /* RTA re-booted, re-open ports */
173 #define MORE_OUTPUT_EYGOR 0x04 /* riotproc failed to empty clists */
174 uchar WflushFlag; /* 1 How many WFLUSHs active */
176 ** Transparent print stuff
179 #ifndef MAX_XP_CTRL_LEN
180 #define MAX_XP_CTRL_LEN 16 /* ALSO IN DAEMON.H */
183 char XpOn[MAX_XP_CTRL_LEN];
184 char XpOff[MAX_XP_CTRL_LEN];
185 ushort XpLen; /* strlen(XpOn)+strlen(XpOff) */
187 uchar XpLastTickOk; /* TRUE if we can process */
188 #define XP_OPEN 00001
189 #define XP_RUNABLE 00002
190 struct ttystatics *XttyP;
195 struct termss VpixSs;
196 uchar ModemStatusReg; /* Modem status register */
199 uchar Cor2Copy; /* copy of COR2 */
200 char *Name; /* points to the Rta's name */
202 struct RIOStats Stat; /* ports statistics */
205 ushort TxBufferIn; /* New data arrives here */
206 ushort TxBufferOut; /* Intr removes data here */
207 ushort OldTxBufferOut; /* Indicates if draining */
208 int TimeoutId; /* Timeout ID */
210 uchar WaitUntilBooted; /* True if open should block */
211 uint statsGather; /* True if gathering stats */
212 ulong txchars; /* Chars transmitted */
213 ulong rxchars; /* Chars received */
214 ulong opens; /* port open count */
215 ulong closes; /* port close count */
216 ulong ioctls; /* ioctl count */
217 uchar LastRxTgl; /* Last state of rx toggle bit */
218 spinlock_t portSem; /* Lock using this sem */
219 int MonitorTstate; /* Monitoring ? */
220 int timeout_id; /* For calling 100 ms delays */
221 int timeout_sem; /* For calling 100 ms delays */
222 int firstOpen; /* First time open ? */
223 char *p; /* save the global struc here .. */
228 uint Flags[4]; /* one per port on a module */
233 ** This struct is required because trying to grab an entire Port structure
234 ** runs into problems with differing struct sizes between driver and config.
240 struct ttystatics *TtyP;