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*/ 39struct 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 163struct 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*/ 172struct PortParams { 173 unsigned int Port; 174 unsigned long Config; 175 unsigned long State; 176 struct ttystatics *TtyP; 177}; 178 179#endif 180