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-rw-r--r--drivers/char/rio/port.h245
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diff --git a/drivers/char/rio/port.h b/drivers/char/rio/port.h
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+/*
+** -----------------------------------------------------------------------------
+**
+** 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;
+};
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