|  | /* | 
|  | ** ----------------------------------------------------------------------------- | 
|  | ** | 
|  | **  Perle Specialix driver for Linux | 
|  | **  Ported from existing RIO Driver for SCO sources. | 
|  | * | 
|  | *  (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. | 
|  | ** | 
|  | **	Module		: port.h | 
|  | **	SID		: 1.3 | 
|  | **	Last Modified	: 11/6/98 11:34:12 | 
|  | **	Retrieved	: 11/6/98 11:34:21 | 
|  | ** | 
|  | **  ident @(#)port.h	1.3 | 
|  | ** | 
|  | ** ----------------------------------------------------------------------------- | 
|  | */ | 
|  |  | 
|  | #ifndef	__rio_port_h__ | 
|  | #define	__rio_port_h__ | 
|  |  | 
|  | /* | 
|  | **	Port data structure | 
|  | */ | 
|  | struct Port { | 
|  | struct gs_port gs; | 
|  | int PortNum;			/* RIO port no., 0-511 */ | 
|  | struct Host *HostP; | 
|  | void __iomem *Caddr; | 
|  | unsigned short HostPort;	/* Port number on host card */ | 
|  | unsigned char RupNum;		/* Number of RUP for port */ | 
|  | unsigned char ID2;		/* Second ID of RTA for port */ | 
|  | unsigned long State;		/* FLAGS for open & xopen */ | 
|  | #define	RIO_LOPEN	0x00001		/* Local open */ | 
|  | #define	RIO_MOPEN	0x00002		/* Modem open */ | 
|  | #define	RIO_WOPEN	0x00004		/* Waiting for open */ | 
|  | #define	RIO_CLOSING	0x00008		/* The port is being close */ | 
|  | #define	RIO_XPBUSY	0x00010		/* Transparent printer busy */ | 
|  | #define	RIO_BREAKING	0x00020		/* Break in progress */ | 
|  | #define	RIO_DIRECT	0x00040		/* Doing Direct output */ | 
|  | #define	RIO_EXCLUSIVE	0x00080		/* Stream open for exclusive use */ | 
|  | #define	RIO_NDELAY	0x00100		/* Stream is open FNDELAY */ | 
|  | #define	RIO_CARR_ON	0x00200		/* Stream has carrier present */ | 
|  | #define	RIO_XPWANTR	0x00400		/* Stream wanted by Xprint */ | 
|  | #define	RIO_RBLK	0x00800		/* Stream is read-blocked */ | 
|  | #define	RIO_BUSY	0x01000		/* Stream is BUSY for write */ | 
|  | #define	RIO_TIMEOUT	0x02000		/* Stream timeout in progress */ | 
|  | #define	RIO_TXSTOP	0x04000		/* Stream output is stopped */ | 
|  | #define	RIO_WAITFLUSH	0x08000		/* Stream waiting for flush */ | 
|  | #define	RIO_DYNOROD	0x10000		/* Drain failed */ | 
|  | #define	RIO_DELETED	0x20000		/* RTA has been deleted */ | 
|  | #define RIO_ISSCANCODE	0x40000		/* This line is in scancode mode */ | 
|  | #define	RIO_USING_EUC	0x100000	/* Using extended Unix chars */ | 
|  | #define	RIO_CAN_COOK	0x200000	/* This line can do cooking */ | 
|  | #define RIO_TRIAD_MODE  0x400000	/* Enable TRIAD special ops. */ | 
|  | #define RIO_TRIAD_BLOCK 0x800000	/* Next read will block */ | 
|  | #define RIO_TRIAD_FUNC  0x1000000	/* Seen a function key coming in */ | 
|  | #define RIO_THROTTLE_RX 0x2000000	/* RX needs to be throttled. */ | 
|  |  | 
|  | unsigned long Config;		/* FLAGS for NOREAD.... */ | 
|  | #define	RIO_NOREAD	0x0001		/* Are not allowed to read port */ | 
|  | #define	RIO_NOWRITE	0x0002		/* Are not allowed to write port */ | 
|  | #define	RIO_NOXPRINT	0x0004		/* Are not allowed to xprint port */ | 
|  | #define	RIO_NOMASK	0x0007		/* All not allowed things */ | 
|  | #define RIO_IXANY	0x0008		/* Port is allowed ixany */ | 
|  | #define	RIO_MODEM	0x0010		/* Stream is a modem device */ | 
|  | #define	RIO_IXON	0x0020		/* Port is allowed ixon */ | 
|  | #define RIO_WAITDRAIN	0x0040		/* Wait for port to completely drain */ | 
|  | #define RIO_MAP_50_TO_50	0x0080	/* Map 50 baud to 50 baud */ | 
|  | #define RIO_MAP_110_TO_110	0x0100	/* Map 110 baud to 110 baud */ | 
|  |  | 
|  | /* | 
|  | ** 15.10.1998 ARG - ESIL 0761 prt fix | 
|  | ** As LynxOS does not appear to support Hardware Flow Control ..... | 
|  | ** Define our own flow control flags in 'Config'. | 
|  | */ | 
|  | #define RIO_CTSFLOW	0x0200		/* RIO's own CTSFLOW flag */ | 
|  | #define RIO_RTSFLOW	0x0400		/* RIO's own RTSFLOW flag */ | 
|  |  | 
|  |  | 
|  | struct PHB __iomem *PhbP;	/* pointer to PHB for port */ | 
|  | u16 __iomem *TxAdd;		/* Add packets here */ | 
|  | u16 __iomem *TxStart;		/* Start of add array */ | 
|  | u16 __iomem *TxEnd;		/* End of add array */ | 
|  | u16 __iomem *RxRemove;		/* Remove packets here */ | 
|  | u16 __iomem *RxStart;		/* Start of remove array */ | 
|  | u16 __iomem *RxEnd;		/* End of remove array */ | 
|  | unsigned int RtaUniqueNum;	/* Unique number of RTA */ | 
|  | unsigned short PortState;	/* status of port */ | 
|  | unsigned short ModemState;	/* status of modem lines */ | 
|  | unsigned long ModemLines;	/* Modem bits sent to RTA */ | 
|  | unsigned char CookMode;		/* who expands CR/LF? */ | 
|  | unsigned char ParamSem;		/* Prevent write during param */ | 
|  | unsigned char Mapped;		/* if port mapped onto host */ | 
|  | unsigned char SecondBlock;	/* if port belongs to 2nd block | 
|  | of 16 port RTA */ | 
|  | unsigned char InUse;		/* how many pre-emptive cmds */ | 
|  | unsigned char Lock;		/* if params locked */ | 
|  | unsigned char Store;		/* if params stored across closes */ | 
|  | unsigned char FirstOpen;	/* TRUE if first time port opened */ | 
|  | unsigned char FlushCmdBodge;	/* if doing a (non)flush */ | 
|  | unsigned char MagicFlags;	/* require intr processing */ | 
|  | #define	MAGIC_FLUSH	0x01		/* mirror of WflushFlag */ | 
|  | #define	MAGIC_REBOOT	0x02		/* RTA re-booted, re-open ports */ | 
|  | #define	MORE_OUTPUT_EYGOR 0x04		/* riotproc failed to empty clists */ | 
|  | unsigned char WflushFlag;	/* 1 How many WFLUSHs active */ | 
|  | /* | 
|  | ** Transparent print stuff | 
|  | */ | 
|  | struct Xprint { | 
|  | #ifndef MAX_XP_CTRL_LEN | 
|  | #define MAX_XP_CTRL_LEN		16	/* ALSO IN DAEMON.H */ | 
|  | #endif | 
|  | unsigned int XpCps; | 
|  | char XpOn[MAX_XP_CTRL_LEN]; | 
|  | char XpOff[MAX_XP_CTRL_LEN]; | 
|  | unsigned short XpLen;	/* strlen(XpOn)+strlen(XpOff) */ | 
|  | unsigned char XpActive; | 
|  | unsigned char XpLastTickOk;	/* TRUE if we can process */ | 
|  | #define	XP_OPEN		00001 | 
|  | #define	XP_RUNABLE	00002 | 
|  | struct ttystatics *XttyP; | 
|  | } Xprint; | 
|  | unsigned char RxDataStart; | 
|  | unsigned char Cor2Copy;		/* copy of COR2 */ | 
|  | char *Name;			/* points to the Rta's name */ | 
|  | char *TxRingBuffer; | 
|  | unsigned short TxBufferIn;	/* New data arrives here */ | 
|  | unsigned short TxBufferOut;	/* Intr removes data here */ | 
|  | unsigned short OldTxBufferOut;	/* Indicates if draining */ | 
|  | int TimeoutId;			/* Timeout ID */ | 
|  | unsigned int Debug; | 
|  | unsigned char WaitUntilBooted;	/* True if open should block */ | 
|  | unsigned int statsGather;	/* True if gathering stats */ | 
|  | unsigned long txchars;		/* Chars transmitted */ | 
|  | unsigned long rxchars;		/* Chars received */ | 
|  | unsigned long opens;		/* port open count */ | 
|  | unsigned long closes;		/* port close count */ | 
|  | unsigned long ioctls;		/* ioctl count */ | 
|  | unsigned char LastRxTgl;	/* Last state of rx toggle bit */ | 
|  | spinlock_t portSem;		/* Lock using this sem */ | 
|  | int MonitorTstate;		/* Monitoring ? */ | 
|  | int timeout_id;			/* For calling 100 ms delays */ | 
|  | int timeout_sem;		/* For calling 100 ms delays */ | 
|  | int firstOpen;			/* First time open ? */ | 
|  | char *p;			/* save the global struc here .. */ | 
|  | }; | 
|  |  | 
|  | struct ModuleInfo { | 
|  | char *Name; | 
|  | unsigned int Flags[4];		/* one per port on a module */ | 
|  | }; | 
|  |  | 
|  | /* | 
|  | ** This struct is required because trying to grab an entire Port structure | 
|  | ** runs into problems with differing struct sizes between driver and config. | 
|  | */ | 
|  | struct PortParams { | 
|  | unsigned int Port; | 
|  | unsigned long Config; | 
|  | unsigned long State; | 
|  | struct ttystatics *TtyP; | 
|  | }; | 
|  |  | 
|  | #endif |