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1da177e4 LT |
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 | ||
1da177e4 LT |
36 | /* |
37 | ** Port data structure | |
38 | */ | |
8d8706e2 AM |
39 | struct Port { |
40 | struct gs_port gs; | |
74769abf | 41 | int PortNum; /* RIO port no., 0-511 */ |
8d8706e2 | 42 | struct Host *HostP; |
d886cb58 | 43 | void __iomem *Caddr; |
74769abf AC |
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 */ | |
1da177e4 LT |
67 | #define RIO_USING_EUC 0x100000 /* Using extended Unix chars */ |
68 | #define RIO_CAN_COOK 0x200000 /* This line can do cooking */ | |
8d8706e2 AM |
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. */ | |
1da177e4 | 73 | |
74769abf AC |
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 */ | |
1da177e4 LT |
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 | */ | |
74769abf AC |
91 | #define RIO_CTSFLOW 0x0200 /* RIO's own CTSFLOW flag */ |
92 | #define RIO_RTSFLOW 0x0400 /* RIO's own RTSFLOW flag */ | |
1da177e4 LT |
93 | |
94 | ||
d886cb58 AV |
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 */ | |
74769abf AC |
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 */ | |
1da177e4 LT |
121 | /* |
122 | ** Transparent print stuff | |
123 | */ | |
8d8706e2 | 124 | struct Xprint { |
1da177e4 | 125 | #ifndef MAX_XP_CTRL_LEN |
8d8706e2 | 126 | #define MAX_XP_CTRL_LEN 16 /* ALSO IN DAEMON.H */ |
1da177e4 | 127 | #endif |
74769abf | 128 | unsigned int XpCps; |
8d8706e2 AM |
129 | char XpOn[MAX_XP_CTRL_LEN]; |
130 | char XpOff[MAX_XP_CTRL_LEN]; | |
74769abf AC |
131 | unsigned short XpLen; /* strlen(XpOn)+strlen(XpOff) */ |
132 | unsigned char XpActive; | |
133 | unsigned char XpLastTickOk; /* TRUE if we can process */ | |
1da177e4 LT |
134 | #define XP_OPEN 00001 |
135 | #define XP_RUNABLE 00002 | |
8d8706e2 AM |
136 | struct ttystatics *XttyP; |
137 | } Xprint; | |
74769abf AC |
138 | unsigned char RxDataStart; |
139 | unsigned char Cor2Copy; /* copy of COR2 */ | |
140 | char *Name; /* points to the Rta's name */ | |
8d8706e2 | 141 | char *TxRingBuffer; |
74769abf AC |
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 .. */ | |
1da177e4 LT |
161 | }; |
162 | ||
8d8706e2 AM |
163 | struct ModuleInfo { |
164 | char *Name; | |
74769abf | 165 | unsigned int Flags[4]; /* one per port on a module */ |
1da177e4 | 166 | }; |
1da177e4 LT |
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 { | |
74769abf AC |
173 | unsigned int Port; |
174 | unsigned long Config; | |
175 | unsigned long State; | |
8d8706e2 | 176 | struct ttystatics *TtyP; |
1da177e4 | 177 | }; |
74769abf AC |
178 | |
179 | #endif |