patch-2.3.99-pre7 linux/drivers/char/rio/port.h

• Lines: 246
• Date: Wed May 10 16:56:44 2000
• Orig file: v2.3.99-pre6/linux/drivers/char/rio/port.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.99-pre6/linux/drivers/char/rio/port.h linux/drivers/char/rio/port.h
@@ -0,0 +1,245 @@
+/*
+** -----------------------------------------------------------------------------
+**
+**  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__
+
+#ifdef SCCS_LABELS
+static char *_port_h_sccs_ = "@(#)port.h	1.3";
+#endif
+
+
+#undef VPIX
+
+
+/*
+** the port data structure - one per port in the system
+*/
+
+#ifdef STATS
+struct RIOStats
+{
+	/*
+	** interrupt statistics
+	*/
+	uint	BreakIntCnt;
+	uint	ModemOffCnt;
+	uint	ModemOnCnt;
+	uint	RxIntCnt;
+	uint	TxIntCnt;
+	/*
+	** throughput statistics
+	*/
+	uint	RxCharCnt;
+	uint	RxPktCnt;
+	uint	RxSaveCnt;
+	uint	TxCharCnt;
+	uint	TxPktCnt;
+	/*
+	** driver entry statistics
+	*/
+	uint	CloseCnt;
+	uint	IoctlCnt;
+	uint	OpenCnt;
+	uint	ReadCnt;
+	uint	WriteCnt;
+	/*
+	** proc statistics
+	*/
+	uint	BlockCnt;
+	uint	OutputCnt;
+	uint	ResumeCnt;
+	uint	RflushCnt;
+	uint	SuspendCnt;
+	uint	TbreakCnt;
+	uint	TimeoutCnt;
+	uint	UnblockCnt;
+	uint	WflushCnt;
+	uint	WFBodgeCnt;
+};
+#endif
+
+/*
+**	Port data structure
+*/
+struct	Port
+{
+  struct gs_port gs; 
+  int				PortNum;	/* RIO port no., 0-511 */
+  struct Host	*HostP;
+  volatile caddr_t		Caddr;
+  ushort			HostPort;  /* Port number on host card */
+  uchar			RupNum;	/* Number of RUP for port */
+  uchar			ID2;	/* Second ID of RTA for port */
+  ulong			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. */
+
+    ulong			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			*PhbP;	  /* pointer to PHB for port */
+    WORD                        *TxAdd;   /* Add packets here */
+    WORD                        *TxStart; /* Start of add array */
+    WORD                        *TxEnd;         /* End of add array */
+    WORD                        *RxRemove;      /* Remove packets here */
+    WORD                        *RxStart;       /* Start of remove array */
+    WORD                        *RxEnd;         /* End of remove array */
+    uint			RtaUniqueNum;	/* Unique number of RTA */
+    ushort			PortState;	/* status of port */
+    ushort			ModemState;	/* status of modem lines */
+    ulong			ModemLines;	/* Modem bits sent to RTA */
+    uchar			CookMode;	/* who expands CR/LF? */
+    uchar			ParamSem;	/* Prevent write during param */
+    uchar			Mapped;		/* if port mapped onto host */
+    uchar			SecondBlock;	/* if port belongs to 2nd block
+						   of 16 port RTA */
+    uchar			InUse;		/* how many pre-emptive cmds */
+    uchar			Lock;		/* if params locked */
+    uchar			Store;	/* if params stored across closes */
+    uchar			FirstOpen; /* TRUE if first time port opened */
+    uchar			FlushCmdBodge;	/* if doing a (non)flush */
+    uchar			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 */
+    uchar			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
+	uint			XpCps;
+	char			XpOn[MAX_XP_CTRL_LEN];
+	char			XpOff[MAX_XP_CTRL_LEN];
+	ushort			XpLen;		/* strlen(XpOn)+strlen(XpOff) */
+	uchar			XpActive;
+	uchar			XpLastTickOk;	/* TRUE if we can process */
+#define	XP_OPEN		00001
+#define	XP_RUNABLE	00002
+	struct ttystatics 		*XttyP;
+    } Xprint;
+#ifdef VPIX
+    v86_t			*StashP;
+    uint			IntMask;
+    struct termss 		VpixSs;
+    uchar			ModemStatusReg;	/* Modem status register */
+#endif
+    uchar			RxDataStart;
+    uchar			Cor2Copy;	/* copy of COR2 */
+    char			*Name;		/* points to the Rta's name */
+#ifdef STATS
+    struct RIOStats 		Stat;		/* ports statistics */
+#endif
+    char			*TxRingBuffer;
+    ushort			TxBufferIn;	/* New data arrives here */
+    ushort			TxBufferOut;	/* Intr removes data here */
+    ushort			OldTxBufferOut;	/* Indicates if draining */
+    int				TimeoutId;	/* Timeout ID */
+    uint			Debug;
+    uchar			WaitUntilBooted; /* True if open should block */
+    uint			statsGather;	/* True if gathering stats */
+    ulong			txchars;	/* Chars transmitted */
+    ulong			rxchars;	/* Chars received */
+    ulong			opens;		/* port open count */
+    ulong			closes;		/* port close count */
+    ulong			ioctls;		/* ioctl count */
+    uchar			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;
+	uint	Flags[4];	/* one per port on a module */
+};
+#endif
+
+/*
+** 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 {
+	uint	Port;
+	ulong	Config;
+	ulong	State;
+	struct ttystatics	*TtyP;
+};