1 /*
2 ** -----------------------------------------------------------------------------
3 **
4 ** Perle Specialix driver for Linux
5 ** Ported from existing RIO Driver for SCO sources.
6 *
7 * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
8 *
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.
13 *
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.
18 *
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.
22 **
23 ** Module : port.h
24 ** SID : 1.3
25 ** Last Modified : 11/6/98 11:34:12
26 ** Retrieved : 11/6/98 11:34:21
27 **
28 ** ident @(#)port.h 1.3
29 **
30 ** -----------------------------------------------------------------------------
31 */
32
33 #ifndef __rio_port_h__
34 #define __rio_port_h__
35
36 /*
37 ** Port data structure
38 */
39 struct Port {
40 struct gs_port gs;
41 int PortNum; /* RIO port no., 0-511 */
42 struct Host *HostP;
43 void __iomem *Caddr;
44 unsigned short HostPort; /* Port number on host card */
45 unsigned char RupNum; /* Number of RUP for port */
46 unsigned char ID2; /* Second ID of RTA for port */
47 unsigned long State; /* FLAGS for open & xopen */
48 #define RIO_LOPEN 0x00001 /* Local open */
49 #define RIO_MOPEN 0x00002 /* Modem open */
50 #define RIO_WOPEN 0x00004 /* Waiting for open */
51 #define RIO_CLOSING 0x00008 /* The port is being close */
52 #define RIO_XPBUSY 0x00010 /* Transparent printer busy */
53 #define RIO_BREAKING 0x00020 /* Break in progress */
54 #define RIO_DIRECT 0x00040 /* Doing Direct output */
55 #define RIO_EXCLUSIVE 0x00080 /* Stream open for exclusive use */
56 #define RIO_NDELAY 0x00100 /* Stream is open FNDELAY */
57 #define RIO_CARR_ON 0x00200 /* Stream has carrier present */
58 #define RIO_XPWANTR 0x00400 /* Stream wanted by Xprint */
59 #define RIO_RBLK 0x00800 /* Stream is read-blocked */
60 #define RIO_BUSY 0x01000 /* Stream is BUSY for write */
61 #define RIO_TIMEOUT 0x02000 /* Stream timeout in progress */
62 #define RIO_TXSTOP 0x04000 /* Stream output is stopped */
63 #define RIO_WAITFLUSH 0x08000 /* Stream waiting for flush */
64 #define RIO_DYNOROD 0x10000 /* Drain failed */
65 #define RIO_DELETED 0x20000 /* RTA has been deleted */
66 #define RIO_ISSCANCODE 0x40000 /* This line is in scancode mode */
67 #define RIO_USING_EUC 0x100000 /* Using extended Unix chars */
68 #define RIO_CAN_COOK 0x200000 /* This line can do cooking */
69 #define RIO_TRIAD_MODE 0x400000 /* Enable TRIAD special ops. */
70 #define RIO_TRIAD_BLOCK 0x800000 /* Next read will block */
71 #define RIO_TRIAD_FUNC 0x1000000 /* Seen a function key coming in */
72 #define RIO_THROTTLE_RX 0x2000000 /* RX needs to be throttled. */
73
74 unsigned long Config; /* FLAGS for NOREAD.... */
75 #define RIO_NOREAD 0x0001 /* Are not allowed to read port */
76 #define RIO_NOWRITE 0x0002 /* Are not allowed to write port */
77 #define RIO_NOXPRINT 0x0004 /* Are not allowed to xprint port */
78 #define RIO_NOMASK 0x0007 /* All not allowed things */
79 #define RIO_IXANY 0x0008 /* Port is allowed ixany */
80 #define RIO_MODEM 0x0010 /* Stream is a modem device */
81 #define RIO_IXON 0x0020 /* Port is allowed ixon */
82 #define RIO_WAITDRAIN 0x0040 /* Wait for port to completely drain */
83 #define RIO_MAP_50_TO_50 0x0080 /* Map 50 baud to 50 baud */
84 #define RIO_MAP_110_TO_110 0x0100 /* Map 110 baud to 110 baud */
85
86 /*
87 ** 15.10.1998 ARG - ESIL 0761 prt fix
88 ** As LynxOS does not appear to support Hardware Flow Control .....
89 ** Define our own flow control flags in 'Config'.
90 */
91 #define RIO_CTSFLOW 0x0200 /* RIO's own CTSFLOW flag */
92 #define RIO_RTSFLOW 0x0400 /* RIO's own RTSFLOW flag */
93
94
95 struct PHB __iomem *PhbP; /* pointer to PHB for port */
96 u16 __iomem *TxAdd; /* Add packets here */
97 u16 __iomem *TxStart; /* Start of add array */
98 u16 __iomem *TxEnd; /* End of add array */
99 u16 __iomem *RxRemove; /* Remove packets here */
100 u16 __iomem *RxStart; /* Start of remove array */
101 u16 __iomem *RxEnd; /* End of remove array */
102 unsigned int RtaUniqueNum; /* Unique number of RTA */
103 unsigned short PortState; /* status of port */
104 unsigned short ModemState; /* status of modem lines */
105 unsigned long ModemLines; /* Modem bits sent to RTA */
106 unsigned char CookMode; /* who expands CR/LF? */
107 unsigned char ParamSem; /* Prevent write during param */
108 unsigned char Mapped; /* if port mapped onto host */
109 unsigned char SecondBlock; /* if port belongs to 2nd block
110 of 16 port RTA */
111 unsigned char InUse; /* how many pre-emptive cmds */
112 unsigned char Lock; /* if params locked */
113 unsigned char Store; /* if params stored across closes */
114 unsigned char FirstOpen; /* TRUE if first time port opened */
115 unsigned char FlushCmdBodge; /* if doing a (non)flush */
116 unsigned char MagicFlags; /* require intr processing */
117 #define MAGIC_FLUSH 0x01 /* mirror of WflushFlag */
118 #define MAGIC_REBOOT 0x02 /* RTA re-booted, re-open ports */
119 #define MORE_OUTPUT_EYGOR 0x04 /* riotproc failed to empty clists */
120 unsigned char WflushFlag; /* 1 How many WFLUSHs active */
121 /*
122 ** Transparent print stuff
123 */
124 struct Xprint {
125 #ifndef MAX_XP_CTRL_LEN
126 #define MAX_XP_CTRL_LEN 16 /* ALSO IN DAEMON.H */
127 #endif
128 unsigned int XpCps;
129 char XpOn[MAX_XP_CTRL_LEN];
130 char XpOff[MAX_XP_CTRL_LEN];
131 unsigned short XpLen; /* strlen(XpOn)+strlen(XpOff) */
132 unsigned char XpActive;
133 unsigned char XpLastTickOk; /* TRUE if we can process */
134 #define XP_OPEN 00001
135 #define XP_RUNABLE 00002
136 struct ttystatics *XttyP;
137 } Xprint;
138 unsigned char RxDataStart;
139 unsigned char Cor2Copy; /* copy of COR2 */
140 char *Name; /* points to the Rta's name */
141 char *TxRingBuffer;
142 unsigned short TxBufferIn; /* New data arrives here */
143 unsigned short TxBufferOut; /* Intr removes data here */
144 unsigned short OldTxBufferOut; /* Indicates if draining */
145 int TimeoutId; /* Timeout ID */
146 unsigned int Debug;
147 unsigned char WaitUntilBooted; /* True if open should block */
148 unsigned int statsGather; /* True if gathering stats */
149 unsigned long txchars; /* Chars transmitted */
150 unsigned long rxchars; /* Chars received */
151 unsigned long opens; /* port open count */
152 unsigned long closes; /* port close count */
153 unsigned long ioctls; /* ioctl count */
154 unsigned char LastRxTgl; /* Last state of rx toggle bit */
155 spinlock_t portSem; /* Lock using this sem */
156 int MonitorTstate; /* Monitoring ? */
157 int timeout_id; /* For calling 100 ms delays */
158 int timeout_sem; /* For calling 100 ms delays */
159 int firstOpen; /* First time open ? */
160 char *p; /* save the global struc here .. */
161 };
162
163 struct ModuleInfo {
164 char *Name;
165 unsigned int Flags[4]; /* one per port on a module */
166 };
167
168 /*
169 ** This struct is required because trying to grab an entire Port structure
170 ** runs into problems with differing struct sizes between driver and config.
171 */
172 struct PortParams {
173 unsigned int Port;
174 unsigned long Config;
175 unsigned long State;
176 struct ttystatics *TtyP;
177 };
178
179 #endif
180
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