X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fchar%2Frio%2Friotty.c;h=a4f0b1e3e7fabf105892d9c2d442e8cc066d7147;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=db655002671f3e0d11139563aeb9ad7adc004b28;hpb=6a77f38946aaee1cd85eeec6cf4229b204c15071;p=linux-2.6.git

diff --git a/drivers/char/rio/riotty.c b/drivers/char/rio/riotty.c
index db6550026..a4f0b1e3e 100644
--- a/drivers/char/rio/riotty.c
+++ b/drivers/char/rio/riotty.c
@@ -56,15 +56,12 @@ static char *_riotty_c_sccs_ = "@(#)riotty.c	1.3";
 
 #include "linux_compat.h"
 #include "rio_linux.h"
-#include "typdef.h"
 #include "pkt.h"
 #include "daemon.h"
 #include "rio.h"
 #include "riospace.h"
-#include "top.h"
 #include "cmdpkt.h"
 #include "map.h"
-#include "riotypes.h"
 #include "rup.h"
 #include "port.h"
 #include "riodrvr.h"
@@ -77,131 +74,72 @@ static char *_riotty_c_sccs_ = "@(#)riotty.c	1.3";
 #include "unixrup.h"
 #include "board.h"
 #include "host.h"
-#include "error.h"
 #include "phb.h"
 #include "link.h"
 #include "cmdblk.h"
 #include "route.h"
-#include "control.h"
 #include "cirrus.h"
 #include "rioioctl.h"
 #include "param.h"
-#include "list.h"
-#include "sam.h"
-
-#if 0
-static void ttyseth_pv(struct Port *, struct ttystatics *, 
-				struct termios *sg, int);
-#endif
 
 static void RIOClearUp(struct Port *PortP);
-int RIOShortCommand(struct rio_info *p, struct Port *PortP, 
-			   int command, int len, int arg);
 
-#if 0
-static int RIOCookMode(struct ttystatics *);
-#endif
-
-extern int	conv_vb[];	/* now defined in ttymgr.c */
-extern int	conv_bv[];	/* now defined in ttymgr.c */
- 
-/*
-** 16.09.1998 ARG - Fix to build riotty.k.o for Modular Kernel Support
-**
-** ep.def.h is necessary for Modular Kernel Support
-** DO NOT place any kernel 'extern's after this line
-** or this source file will not build riotty.k.o
-*/
-#ifdef uLYNX
-#include <ep.def.h>
-#endif
-
-#ifdef NEED_THIS2
-static struct old_sgttyb 
-default_sg = 
-{ 
-	B19200, B19200,				/* input and output speed */ 
-	'H' - '@',					/* erase char */ 
-	-1,							/* 2nd erase char */ 
-	'U' - '@',					/* kill char */ 
-	ECHO | CRMOD,				/* mode */ 
-	'C' - '@',					/* interrupt character */ 
-	'\\' - '@',					/* quit char */ 
-	'Q' - '@',					/* start char */
-	'S' - '@',					/* stop char */ 
-	'D' - '@',					/* EOF */
-	-1,							/* brk */
-	(LCRTBS | LCRTERA | LCRTKIL | LCTLECH),	/* local mode word */ 
-	'Z' - '@',					/* process stop */
-	'Y' - '@',					/* delayed stop */
-	'R' - '@',					/* reprint line */ 
-	'O' - '@',					/* flush output */
-	'W' - '@',					/* word erase */
-	'V' - '@'					/* literal next char */
-};
-#endif
+/* Below belongs in func.h */
+int RIOShortCommand(struct rio_info *p, struct Port *PortP, int command, int len, int arg);
 
 
 extern struct rio_info *p;
 
 
-int
-riotopen(struct tty_struct * tty, struct file * filp)
+int riotopen(struct tty_struct *tty, struct file *filp)
 {
-	register uint SysPort;
-	int Modem;
+	unsigned int SysPort;
 	int repeat_this = 250;
-	struct Port *PortP;		 /* pointer to the port structure */
+	struct Port *PortP;	/* pointer to the port structure */
 	unsigned long flags;
 	int retval = 0;
 
-	func_enter ();
+	func_enter();
 
 	/* Make sure driver_data is NULL in case the rio isn't booted jet. Else gs_close
 	   is going to oops.
-	*/
+	 */
 	tty->driver_data = NULL;
-        
+
 	SysPort = rio_minor(tty);
-	Modem   = rio_ismodem(tty);
 
-	if ( p->RIOFailed ) {
-		rio_dprintk (RIO_DEBUG_TTY, "System initialisation failed\n");
-		pseterr(ENXIO);
-		func_exit ();
+	if (p->RIOFailed) {
+		rio_dprintk(RIO_DEBUG_TTY, "System initialisation failed\n");
+		func_exit();
 		return -ENXIO;
 	}
 
-	rio_dprintk (RIO_DEBUG_TTY, "port open SysPort %d (%s) (mapped:%d)\n",
-	       SysPort,  Modem ? "Modem" : "tty",
-				   p->RIOPortp[SysPort]->Mapped);
+	rio_dprintk(RIO_DEBUG_TTY, "port open SysPort %d (mapped:%d)\n", SysPort, p->RIOPortp[SysPort]->Mapped);
 
 	/*
-	** Validate that we have received a legitimate request.
-	** Currently, just check that we are opening a port on
-	** a host card that actually exists, and that the port
-	** has been mapped onto a host.
-	*/
+	 ** Validate that we have received a legitimate request.
+	 ** Currently, just check that we are opening a port on
+	 ** a host card that actually exists, and that the port
+	 ** has been mapped onto a host.
+	 */
 	if (SysPort >= RIO_PORTS) {	/* out of range ? */
-		rio_dprintk (RIO_DEBUG_TTY, "Illegal port number %d\n",SysPort);
-		pseterr(ENXIO);
+		rio_dprintk(RIO_DEBUG_TTY, "Illegal port number %d\n", SysPort);
 		func_exit();
 		return -ENXIO;
 	}
 
 	/*
-	** Grab pointer to the port stucture
-	*/
+	 ** Grab pointer to the port stucture
+	 */
 	PortP = p->RIOPortp[SysPort];	/* Get control struc */
-	rio_dprintk (RIO_DEBUG_TTY, "PortP: %p\n", PortP);
-	if ( !PortP->Mapped ) {	/* we aren't mapped yet! */
+	rio_dprintk(RIO_DEBUG_TTY, "PortP: %p\n", PortP);
+	if (!PortP->Mapped) {	/* we aren't mapped yet! */
 		/*
-		** The system doesn't know which RTA this port
-		** corresponds to.
-		*/
-		rio_dprintk (RIO_DEBUG_TTY, "port not mapped into system\n");
-		func_exit ();
-		pseterr(ENXIO);
+		 ** The system doesn't know which RTA this port
+		 ** corresponds to.
+		 */
+		rio_dprintk(RIO_DEBUG_TTY, "port not mapped into system\n");
+		func_exit();
 		return -ENXIO;
 	}
 
@@ -210,132 +148,92 @@ riotopen(struct tty_struct * tty, struct file * filp)
 	PortP->gs.tty = tty;
 	PortP->gs.count++;
 
-	rio_dprintk (RIO_DEBUG_TTY, "%d bytes in tx buffer\n",
-				   PortP->gs.xmit_cnt);
+	rio_dprintk(RIO_DEBUG_TTY, "%d bytes in tx buffer\n", PortP->gs.xmit_cnt);
 
-	retval = gs_init_port (&PortP->gs);
+	retval = gs_init_port(&PortP->gs);
 	if (retval) {
 		PortP->gs.count--;
 		return -ENXIO;
 	}
 	/*
-	** If the host hasn't been booted yet, then 
-	** fail
-	*/
-	if ( (PortP->HostP->Flags & RUN_STATE) != RC_RUNNING ) {
-		rio_dprintk (RIO_DEBUG_TTY, "Host not running\n");
-		pseterr(ENXIO);
-		func_exit ();
+	 ** If the host hasn't been booted yet, then
+	 ** fail
+	 */
+	if ((PortP->HostP->Flags & RUN_STATE) != RC_RUNNING) {
+		rio_dprintk(RIO_DEBUG_TTY, "Host not running\n");
+		func_exit();
 		return -ENXIO;
 	}
 
 	/*
-	** If the RTA has not booted yet and the user has choosen to block
-	** until the RTA is present then we must spin here waiting for
-	** the RTA to boot.
-	*/
-#if 0
-	if (!(PortP->HostP->Mapping[PortP->RupNum].Flags & RTA_BOOTED)) {
-		if (PortP->WaitUntilBooted) {
-			rio_dprintk (RIO_DEBUG_TTY, "Waiting for RTA to boot\n");
-			do {
-				if (RIODelay(PortP, HUNDRED_MS) == RIO_FAIL) {
-					rio_dprintk (RIO_DEBUG_TTY, "RTA EINTR in delay \n");
-					func_exit ();
-					return -EINTR;
-				}
-				if (repeat_this -- <= 0) {
-					rio_dprintk (RIO_DEBUG_TTY, "Waiting for RTA to boot timeout\n");
-					RIOPreemptiveCmd(p, PortP, FCLOSE ); 
-					pseterr(EINTR);
-					func_exit ();
-					return -EIO;
-				}
-			} while(!(PortP->HostP->Mapping[PortP->RupNum].Flags & RTA_BOOTED));
-			rio_dprintk (RIO_DEBUG_TTY, "RTA has been booted\n");
-		} else {
-			rio_dprintk (RIO_DEBUG_TTY, "RTA never booted\n");
-			pseterr(ENXIO);
-			func_exit ();
-			return 0;
-		}
-	}
-#else
+	 ** If the RTA has not booted yet and the user has choosen to block
+	 ** until the RTA is present then we must spin here waiting for
+	 ** the RTA to boot.
+	 */
 	/* I find the above code a bit hairy. I find the below code
-           easier to read and shorter. Now, if it works too that would
+	   easier to read and shorter. Now, if it works too that would
 	   be great... -- REW 
-	*/
-	rio_dprintk (RIO_DEBUG_TTY, "Checking if RTA has booted... \n");
+	 */
+	rio_dprintk(RIO_DEBUG_TTY, "Checking if RTA has booted... \n");
 	while (!(PortP->HostP->Mapping[PortP->RupNum].Flags & RTA_BOOTED)) {
-	  if (!PortP->WaitUntilBooted) {
-	    rio_dprintk (RIO_DEBUG_TTY, "RTA never booted\n");
-	    func_exit ();
-	    return -ENXIO;
-	  }
-
-	  /* Under Linux you'd normally use a wait instead of this
-	     busy-waiting. I'll stick with the old implementation for
-	     now. --REW 
-	  */
-	  if (RIODelay(PortP, HUNDRED_MS) == RIO_FAIL) {
-	    rio_dprintk (RIO_DEBUG_TTY, "RTA_wait_for_boot: EINTR in delay \n");
-	    func_exit ();
-	    return -EINTR;
-	  }
-	  if (repeat_this -- <= 0) {
-	    rio_dprintk (RIO_DEBUG_TTY, "Waiting for RTA to boot timeout\n");
-	    func_exit ();
-	    return -EIO;
-	  }
+		if (!PortP->WaitUntilBooted) {
+			rio_dprintk(RIO_DEBUG_TTY, "RTA never booted\n");
+			func_exit();
+			return -ENXIO;
+		}
+
+		/* Under Linux you'd normally use a wait instead of this
+		   busy-waiting. I'll stick with the old implementation for
+		   now. --REW
+		 */
+		if (RIODelay(PortP, HUNDRED_MS) == RIO_FAIL) {
+			rio_dprintk(RIO_DEBUG_TTY, "RTA_wait_for_boot: EINTR in delay \n");
+			func_exit();
+			return -EINTR;
+		}
+		if (repeat_this-- <= 0) {
+			rio_dprintk(RIO_DEBUG_TTY, "Waiting for RTA to boot timeout\n");
+			func_exit();
+			return -EIO;
+		}
 	}
-	rio_dprintk (RIO_DEBUG_TTY, "RTA has been booted\n");
-#endif
-#if 0
-	tp =  PortP->TtyP;		/* get tty struct */
-#endif
+	rio_dprintk(RIO_DEBUG_TTY, "RTA has been booted\n");
 	rio_spin_lock_irqsave(&PortP->portSem, flags);
-	if ( p->RIOHalted ) {
+	if (p->RIOHalted) {
 		goto bombout;
 	}
-#if 0
-	retval = gs_init_port(&PortP->gs);
-	if (retval){
-		func_exit ();
-		return retval;
-	}
-#endif
 
 	/*
-	** If the port is in the final throws of being closed,
-	** we should wait here (politely), waiting
-	** for it to finish, so that it doesn't close us!
-	*/
-	while ( (PortP->State & RIO_CLOSING) && !p->RIOHalted ) {
-		rio_dprintk (RIO_DEBUG_TTY, "Waiting for RIO_CLOSING to go away\n");
-		if (repeat_this -- <= 0) {
-			rio_dprintk (RIO_DEBUG_TTY, "Waiting for not idle closed broken by signal\n");
-			RIOPreemptiveCmd(p, PortP, FCLOSE ); 
+	 ** If the port is in the final throws of being closed,
+	 ** we should wait here (politely), waiting
+	 ** for it to finish, so that it doesn't close us!
+	 */
+	while ((PortP->State & RIO_CLOSING) && !p->RIOHalted) {
+		rio_dprintk(RIO_DEBUG_TTY, "Waiting for RIO_CLOSING to go away\n");
+		if (repeat_this-- <= 0) {
+			rio_dprintk(RIO_DEBUG_TTY, "Waiting for not idle closed broken by signal\n");
+			RIOPreemptiveCmd(p, PortP, FCLOSE);
 			retval = -EINTR;
 			goto bombout;
 		}
 		rio_spin_unlock_irqrestore(&PortP->portSem, flags);
 		if (RIODelay(PortP, HUNDRED_MS) == RIO_FAIL) {
-			rio_spin_lock_irqsave(&PortP->portSem, flags); 
+			rio_spin_lock_irqsave(&PortP->portSem, flags);
 			retval = -EINTR;
 			goto bombout;
 		}
-		rio_spin_lock_irqsave(&PortP->portSem, flags); 
+		rio_spin_lock_irqsave(&PortP->portSem, flags);
 	}
 
-	if ( !PortP->Mapped ) {
-		rio_dprintk (RIO_DEBUG_TTY, "Port unmapped while closing!\n");
+	if (!PortP->Mapped) {
+		rio_dprintk(RIO_DEBUG_TTY, "Port unmapped while closing!\n");
 		rio_spin_unlock_irqrestore(&PortP->portSem, flags);
 		retval = -ENXIO;
-		func_exit ();
+		func_exit();
 		return retval;
 	}
 
-	if ( p->RIOHalted ) {
+	if (p->RIOHalted) {
 		goto bombout;
 	}
 
@@ -346,168 +244,118 @@ riotopen(struct tty_struct * tty, struct file * filp)
 */
 	/* Uh? Suppose I turn these on and then another process opens
 	   the port again? The flags get cleared! Not good. -- REW */
-	if ( !(PortP->State & (RIO_LOPEN | RIO_MOPEN)) ) {
-		PortP->Config &= ~(RIO_CTSFLOW|RIO_RTSFLOW);
+	if (!(PortP->State & (RIO_LOPEN | RIO_MOPEN))) {
+		PortP->Config &= ~(RIO_CTSFLOW | RIO_RTSFLOW);
 	}
 
 	if (!(PortP->firstOpen)) {	/* First time ? */
-		rio_dprintk (RIO_DEBUG_TTY, "First open for this port\n");
-	
+		rio_dprintk(RIO_DEBUG_TTY, "First open for this port\n");
+
 
 		PortP->firstOpen++;
-		PortP->CookMode = 0; /* XXX RIOCookMode(tp); */
+		PortP->CookMode = 0;	/* XXX RIOCookMode(tp); */
 		PortP->InUse = NOT_INUSE;
 
 		/* Tentative fix for bug PR27. Didn't work. */
 		/* PortP->gs.xmit_cnt = 0; */
 
 		rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-#ifdef NEED_THIS
-		ttyseth(PortP, tp, (struct old_sgttyb *)&default_sg);
-#endif
 
 		/* Someone explain to me why this delay/config is
-                   here. If I read the docs correctly the "open"
-                   command piggybacks the parameters immediately. 
+		   here. If I read the docs correctly the "open"
+		   command piggybacks the parameters immediately.
 		   -- REW */
-		RIOParam(PortP,OPEN,Modem,OK_TO_SLEEP);		/* Open the port */
-#if 0
-		/* This delay of 1 second was annoying. I removed it. -- REW */
-		RIODelay(PortP, HUNDRED_MS*10);
-		RIOParam(PortP,CONFIG,Modem,OK_TO_SLEEP);	/* Config the port */
-#endif
+		RIOParam(PortP, OPEN, 1, OK_TO_SLEEP);	/* Open the port */
 		rio_spin_lock_irqsave(&PortP->portSem, flags);
 
 		/*
-		** wait for the port to be not closed.
-		*/
-		while ( !(PortP->PortState & PORT_ISOPEN) && !p->RIOHalted ) {
-			rio_dprintk (RIO_DEBUG_TTY, "Waiting for PORT_ISOPEN-currently %x\n",PortP->PortState);
-/*
-** 15.10.1998 ARG - ESIL 0759
-** (Part) fix for port being trashed when opened whilst RTA "disconnected"
-** Take out the limited wait - now wait for ever or until user
-** bangs us out.
-**
-			if (repeat_this -- <= 0) {
-				rio_dprint(RIO_DEBUG_TTY, ("Waiting for open to finish timed out.\n"));
-				RIOPreemptiveCmd(p, PortP, FCLOSE ); 
-				rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-				return -EINTR;
-			}
-**
-*/
+		 ** wait for the port to be not closed.
+		 */
+		while (!(PortP->PortState & PORT_ISOPEN) && !p->RIOHalted) {
+			rio_dprintk(RIO_DEBUG_TTY, "Waiting for PORT_ISOPEN-currently %x\n", PortP->PortState);
 			rio_spin_unlock_irqrestore(&PortP->portSem, flags);
 			if (RIODelay(PortP, HUNDRED_MS) == RIO_FAIL) {
-				rio_dprintk (RIO_DEBUG_TTY, "Waiting for open to finish broken by signal\n");
-				RIOPreemptiveCmd(p, PortP, FCLOSE );
-				func_exit ();
+				rio_dprintk(RIO_DEBUG_TTY, "Waiting for open to finish broken by signal\n");
+				RIOPreemptiveCmd(p, PortP, FCLOSE);
+				func_exit();
 				return -EINTR;
 			}
 			rio_spin_lock_irqsave(&PortP->portSem, flags);
 		}
 
-		if ( p->RIOHalted ) {
-		  retval = -EIO;
-bombout:
-		  /* 			RIOClearUp( PortP ); */
+		if (p->RIOHalted) {
+			retval = -EIO;
+		      bombout:
+			/*                    RIOClearUp( PortP ); */
 			rio_spin_unlock_irqrestore(&PortP->portSem, flags);
 			return retval;
 		}
-		rio_dprintk (RIO_DEBUG_TTY, "PORT_ISOPEN found\n");
+		rio_dprintk(RIO_DEBUG_TTY, "PORT_ISOPEN found\n");
 	}
-
-#ifdef MODEM_SUPPORT 
-	if (Modem) {
-		rio_dprintk (RIO_DEBUG_TTY, "Modem - test for carrier\n");
+	rio_dprintk(RIO_DEBUG_TTY, "Modem - test for carrier\n");
+	/*
+	 ** ACTION
+	 ** insert test for carrier here. -- ???
+	 ** I already see that test here. What's the deal? -- REW
+	 */
+	if ((PortP->gs.tty->termios->c_cflag & CLOCAL) || (PortP->ModemState & MSVR1_CD)) {
+		rio_dprintk(RIO_DEBUG_TTY, "open(%d) Modem carr on\n", SysPort);
 		/*
-		** ACTION
-		** insert test for carrier here. -- ???
-		** I already see that test here. What's the deal? -- REW
-		*/
-		if ((PortP->gs.tty->termios->c_cflag & CLOCAL) || (PortP->ModemState & MSVR1_CD))
-		{
-			rio_dprintk (RIO_DEBUG_TTY, "open(%d) Modem carr on\n", SysPort);
+		   tp->tm.c_state |= CARR_ON;
+		   wakeup((caddr_t) &tp->tm.c_canq);
+		 */
+		PortP->State |= RIO_CARR_ON;
+		wake_up_interruptible(&PortP->gs.open_wait);
+	} else {	/* no carrier - wait for DCD */
 			/*
-			tp->tm.c_state |= CARR_ON;
-			wakeup((caddr_t) &tp->tm.c_canq);
-			*/
-			PortP->State |= RIO_CARR_ON;
-			wake_up_interruptible (&PortP->gs.open_wait);
-		}
-		else /* no carrier - wait for DCD */
-		{
-		  /*
-			while (!(PortP->gs.tty->termios->c_state & CARR_ON) && 
-			       !(filp->f_flags & O_NONBLOCK) && !p->RIOHalted )
-		  */
-			while (!(PortP->State & RIO_CARR_ON) && 
-			       !(filp->f_flags & O_NONBLOCK) && !p->RIOHalted ) {
-
-				rio_dprintk (RIO_DEBUG_TTY, "open(%d) sleeping for carr on\n",SysPort);
+		   while (!(PortP->gs.tty->termios->c_state & CARR_ON) &&
+		   !(filp->f_flags & O_NONBLOCK) && !p->RIOHalted )
+		 */
+		while (!(PortP->State & RIO_CARR_ON) && !(filp->f_flags & O_NONBLOCK) && !p->RIOHalted) {
+				rio_dprintk(RIO_DEBUG_TTY, "open(%d) sleeping for carr on\n", SysPort);
+			/*
+			   PortP->gs.tty->termios->c_state |= WOPEN;
+			 */
+			PortP->State |= RIO_WOPEN;
+			rio_spin_unlock_irqrestore(&PortP->portSem, flags);
+			if (RIODelay(PortP, HUNDRED_MS) == RIO_FAIL) {
 				/*
-				PortP->gs.tty->termios->c_state |= WOPEN;
-				*/
-				PortP->State |= RIO_WOPEN;
+				 ** ACTION: verify that this is a good thing
+				 ** to do here. -- ???
+				 ** I think it's OK. -- REW
+				 */
+				rio_dprintk(RIO_DEBUG_TTY, "open(%d) sleeping for carr broken by signal\n", SysPort);
+				RIOPreemptiveCmd(p, PortP, FCLOSE);
+				/*
+				   tp->tm.c_state &= ~WOPEN;
+				 */
+				PortP->State &= ~RIO_WOPEN;
 				rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-				if (RIODelay (PortP, HUNDRED_MS) == RIO_FAIL)
-#if 0
-				if ( sleep((caddr_t)&tp->tm.c_canqo, TTIPRI|PCATCH))
-#endif
-				{
-					/*
-					** ACTION: verify that this is a good thing
-					** to do here. -- ???
-					** I think it's OK. -- REW
-					*/
-					rio_dprintk (RIO_DEBUG_TTY, "open(%d) sleeping for carr broken by signal\n",
-					       SysPort);
-					RIOPreemptiveCmd( p, PortP, FCLOSE );
-					/*
-					tp->tm.c_state &= ~WOPEN;
-					*/
-					PortP->State &= ~RIO_WOPEN;
-					rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-					func_exit ();
-					return -EINTR;
-				}
+				func_exit();
+				return -EINTR;
 			}
-			PortP->State &= ~RIO_WOPEN;
 		}
-		if ( p->RIOHalted )
-			goto bombout;
-		rio_dprintk (RIO_DEBUG_TTY, "Setting RIO_MOPEN\n");
-		PortP->State |= RIO_MOPEN;
-	}
-	else
-#endif
-	{
-		/*
-		** ACTION
-		** Direct line open - force carrier (will probably mean
-		** that sleeping Modem line fubar)
-		*/
-		PortP->State |= RIO_LOPEN;
+		PortP->State &= ~RIO_WOPEN;
 	}
+	if (p->RIOHalted)
+		goto bombout;
+	rio_dprintk(RIO_DEBUG_TTY, "Setting RIO_MOPEN\n");
+	PortP->State |= RIO_MOPEN;
 
-	if ( p->RIOHalted ) {
+	if (p->RIOHalted)
 		goto bombout;
-	}
 
-	rio_dprintk (RIO_DEBUG_TTY, "high level open done\n");
+	rio_dprintk(RIO_DEBUG_TTY, "high level open done\n");
 
-#ifdef STATS
-	PortP->Stat.OpenCnt++;
-#endif
 	/*
-	** Count opens for port statistics reporting
-	*/
+	 ** Count opens for port statistics reporting
+	 */
 	if (PortP->statsGather)
 		PortP->opens++;
 
 	rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-	rio_dprintk (RIO_DEBUG_TTY, "Returning from open\n");
-	func_exit ();
+	rio_dprintk(RIO_DEBUG_TTY, "Returning from open\n");
+	func_exit();
 	return 0;
 }
 
@@ -516,85 +364,71 @@ bombout:
 ** The operating system thinks that this is last close for the device.
 ** As there are two interfaces to the port (Modem and tty), we need to
 ** check that both are closed before we close the device.
-*/ 
-int
-riotclose(void  *ptr)
+*/
+int riotclose(void *ptr)
 {
-#if 0
-	register uint SysPort = dev;
-	struct ttystatics *tp;		/* pointer to our ttystruct */
-#endif
-	struct Port *PortP =ptr;	/* pointer to the port structure */
+	struct Port *PortP = ptr;	/* pointer to the port structure */
 	int deleted = 0;
-	int	try = -1; /* Disable the timeouts by setting them to -1 */
-	int	repeat_this = -1; /* Congrats to those having 15 years of 
-				     uptime! (You get to break the driver.) */
-	long end_time;
-	struct tty_struct * tty;
+	int try = -1;		/* Disable the timeouts by setting them to -1 */
+	int repeat_this = -1;	/* Congrats to those having 15 years of
+				   uptime! (You get to break the driver.) */
+	unsigned long end_time;
+	struct tty_struct *tty;
 	unsigned long flags;
-	int Modem;
-	int rv =0;
-	
-	rio_dprintk (RIO_DEBUG_TTY, "port close SysPort %d\n",PortP->PortNum);
+	int rv = 0;
+
+	rio_dprintk(RIO_DEBUG_TTY, "port close SysPort %d\n", PortP->PortNum);
 
 	/* PortP = p->RIOPortp[SysPort]; */
-	rio_dprintk (RIO_DEBUG_TTY, "Port is at address 0x%x\n",(int)PortP);
-	/* tp = PortP->TtyP;*/			/* Get tty */
+	rio_dprintk(RIO_DEBUG_TTY, "Port is at address %p\n", PortP);
+	/* tp = PortP->TtyP; *//* Get tty */
 	tty = PortP->gs.tty;
-	rio_dprintk (RIO_DEBUG_TTY, "TTY is at address 0x%x\n",(int)tty);
+	rio_dprintk(RIO_DEBUG_TTY, "TTY is at address %p\n", tty);
 
-	if (PortP->gs.closing_wait) 
+	if (PortP->gs.closing_wait)
 		end_time = jiffies + PortP->gs.closing_wait;
-	else 
+	else
 		end_time = jiffies + MAX_SCHEDULE_TIMEOUT;
 
-	Modem = rio_ismodem(tty);
-#if 0
-	/* What F.CKING cache? Even then, a higly idle multiprocessor,
-	   system with large caches this won't work . Better find out when 
-	   this doesn't work asap, and fix the cause.  -- REW */
-	
-	RIODelay(PortP, HUNDRED_MS*10);	/* To flush the cache */
-#endif
 	rio_spin_lock_irqsave(&PortP->portSem, flags);
 
 	/*
-	** Setting this flag will make any process trying to open
-	** this port block until we are complete closing it.
-	*/
+	 ** Setting this flag will make any process trying to open
+	 ** this port block until we are complete closing it.
+	 */
 	PortP->State |= RIO_CLOSING;
 
-	if ( (PortP->State & RIO_DELETED) ) {
-		rio_dprintk (RIO_DEBUG_TTY, "Close on deleted RTA\n");
+	if ((PortP->State & RIO_DELETED)) {
+		rio_dprintk(RIO_DEBUG_TTY, "Close on deleted RTA\n");
 		deleted = 1;
 	}
-	
-	if ( p->RIOHalted ) {
-		RIOClearUp( PortP );
+
+	if (p->RIOHalted) {
+		RIOClearUp(PortP);
 		rv = -EIO;
 		goto close_end;
 	}
 
-	rio_dprintk (RIO_DEBUG_TTY, "Clear bits\n");
+	rio_dprintk(RIO_DEBUG_TTY, "Clear bits\n");
 	/*
-	** clear the open bits for this device
-	*/
-	PortP->State &= (Modem ? ~RIO_MOPEN : ~RIO_LOPEN);
+	 ** clear the open bits for this device
+	 */
+	PortP->State &= ~RIO_MOPEN;
 	PortP->State &= ~RIO_CARR_ON;
 	PortP->ModemState &= ~MSVR1_CD;
 	/*
-	** If the device was open as both a Modem and a tty line
-	** then we need to wimp out here, as the port has not really
-	** been finally closed (gee, whizz!) The test here uses the
-	** bit for the OTHER mode of operation, to see if THAT is
-	** still active!
-	*/
-	if ( (PortP->State & (RIO_LOPEN|RIO_MOPEN)) ) {
+	 ** If the device was open as both a Modem and a tty line
+	 ** then we need to wimp out here, as the port has not really
+	 ** been finally closed (gee, whizz!) The test here uses the
+	 ** bit for the OTHER mode of operation, to see if THAT is
+	 ** still active!
+	 */
+	if ((PortP->State & (RIO_LOPEN | RIO_MOPEN))) {
 		/*
-		** The port is still open for the other task -
-		** return, pretending that we are still active.
-		*/
-		rio_dprintk (RIO_DEBUG_TTY, "Channel %d still open !\n",PortP->PortNum);
+		 ** The port is still open for the other task -
+		 ** return, pretending that we are still active.
+		 */
+		rio_dprintk(RIO_DEBUG_TTY, "Channel %d still open !\n", PortP->PortNum);
 		PortP->State &= ~RIO_CLOSING;
 		if (PortP->firstOpen)
 			PortP->firstOpen--;
@@ -602,48 +436,46 @@ riotclose(void  *ptr)
 		return -EIO;
 	}
 
-	rio_dprintk (RIO_DEBUG_TTY, "Closing down - everything must go!\n");
+	rio_dprintk(RIO_DEBUG_TTY, "Closing down - everything must go!\n");
 
 	PortP->State &= ~RIO_DYNOROD;
 
 	/*
-	** This is where we wait for the port
-	** to drain down before closing. Bye-bye....
-	** (We never meant to do this)
-	*/
-	rio_dprintk (RIO_DEBUG_TTY, "Timeout 1 starts\n");
+	 ** This is where we wait for the port
+	 ** to drain down before closing. Bye-bye....
+	 ** (We never meant to do this)
+	 */
+	rio_dprintk(RIO_DEBUG_TTY, "Timeout 1 starts\n");
 
 	if (!deleted)
-	while ( (PortP->InUse != NOT_INUSE) && !p->RIOHalted && 
-		(PortP->TxBufferIn != PortP->TxBufferOut) ) {
-		cprintf("Need to flush the ttyport\n");
-		if (repeat_this -- <= 0) {
-			rv = -EINTR;
-			rio_dprintk (RIO_DEBUG_TTY, "Waiting for not idle closed broken by signal\n");
-			RIOPreemptiveCmd(p, PortP, FCLOSE ); 
-			goto close_end;
-		}
-		rio_dprintk (RIO_DEBUG_TTY, "Calling timeout to flush in closing\n");
-		rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-		if (RIODelay_ni(PortP, HUNDRED_MS*10) == RIO_FAIL) {
-			rio_dprintk (RIO_DEBUG_TTY, "RTA EINTR in delay \n");
-			rv = -EINTR;
+		while ((PortP->InUse != NOT_INUSE) && !p->RIOHalted && (PortP->TxBufferIn != PortP->TxBufferOut)) {
+			if (repeat_this-- <= 0) {
+				rv = -EINTR;
+				rio_dprintk(RIO_DEBUG_TTY, "Waiting for not idle closed broken by signal\n");
+				RIOPreemptiveCmd(p, PortP, FCLOSE);
+				goto close_end;
+			}
+			rio_dprintk(RIO_DEBUG_TTY, "Calling timeout to flush in closing\n");
+			rio_spin_unlock_irqrestore(&PortP->portSem, flags);
+			if (RIODelay_ni(PortP, HUNDRED_MS * 10) == RIO_FAIL) {
+				rio_dprintk(RIO_DEBUG_TTY, "RTA EINTR in delay \n");
+				rv = -EINTR;
+				rio_spin_lock_irqsave(&PortP->portSem, flags);
+				goto close_end;
+			}
 			rio_spin_lock_irqsave(&PortP->portSem, flags);
-			goto close_end;
 		}
-		rio_spin_lock_irqsave(&PortP->portSem, flags);
-	}
 
 	PortP->TxBufferIn = PortP->TxBufferOut = 0;
 	repeat_this = 0xff;
 
 	PortP->InUse = 0;
-	if ( (PortP->State & (RIO_LOPEN|RIO_MOPEN)) ) {
+	if ((PortP->State & (RIO_LOPEN | RIO_MOPEN))) {
 		/*
-		** The port has been re-opened for the other task -
-		** return, pretending that we are still active.
-		*/
-		rio_dprintk (RIO_DEBUG_TTY, "Channel %d re-open!\n", PortP->PortNum);
+		 ** The port has been re-opened for the other task -
+		 ** return, pretending that we are still active.
+		 */
+		rio_dprintk(RIO_DEBUG_TTY, "Channel %d re-open!\n", PortP->PortNum);
 		PortP->State &= ~RIO_CLOSING;
 		rio_spin_unlock_irqrestore(&PortP->portSem, flags);
 		if (PortP->firstOpen)
@@ -651,60 +483,53 @@ riotclose(void  *ptr)
 		return -EIO;
 	}
 
-	if ( p->RIOHalted ) {
-		RIOClearUp( PortP );
+	if (p->RIOHalted) {
+		RIOClearUp(PortP);
 		goto close_end;
 	}
 
-	
-
 	/* Can't call RIOShortCommand with the port locked. */
 	rio_spin_unlock_irqrestore(&PortP->portSem, flags);
 
 	if (RIOShortCommand(p, PortP, CLOSE, 1, 0) == RIO_FAIL) {
-	  RIOPreemptiveCmd(p, PortP,FCLOSE);
-	  goto close_end;
+		RIOPreemptiveCmd(p, PortP, FCLOSE);
+		goto close_end;
 	}
 
 	if (!deleted)
-	  while (try && (PortP->PortState & PORT_ISOPEN)) {
-	        try--;
-		if (time_after (jiffies, end_time)) {
-		  rio_dprintk (RIO_DEBUG_TTY, "Run out of tries - force the bugger shut!\n" );
-		  RIOPreemptiveCmd(p, PortP,FCLOSE);
-		  break;
-		}
-		rio_dprintk (RIO_DEBUG_TTY, "Close: PortState:ISOPEN is %d\n", 
-					   PortP->PortState & PORT_ISOPEN);
+		while (try && (PortP->PortState & PORT_ISOPEN)) {
+			try--;
+			if (time_after(jiffies, end_time)) {
+				rio_dprintk(RIO_DEBUG_TTY, "Run out of tries - force the bugger shut!\n");
+				RIOPreemptiveCmd(p, PortP, FCLOSE);
+				break;
+			}
+			rio_dprintk(RIO_DEBUG_TTY, "Close: PortState:ISOPEN is %d\n", PortP->PortState & PORT_ISOPEN);
 
-		if ( p->RIOHalted ) {
-			RIOClearUp( PortP );
-			goto close_end;
-		}
-		if (RIODelay(PortP, HUNDRED_MS) == RIO_FAIL) {
-			rio_dprintk (RIO_DEBUG_TTY, "RTA EINTR in delay \n");
-			RIOPreemptiveCmd(p, PortP,FCLOSE);
-			break;
+			if (p->RIOHalted) {
+				RIOClearUp(PortP);
+				goto close_end;
+			}
+			if (RIODelay(PortP, HUNDRED_MS) == RIO_FAIL) {
+				rio_dprintk(RIO_DEBUG_TTY, "RTA EINTR in delay \n");
+				RIOPreemptiveCmd(p, PortP, FCLOSE);
+				break;
+			}
 		}
-	}
 	rio_spin_lock_irqsave(&PortP->portSem, flags);
-	rio_dprintk (RIO_DEBUG_TTY, "Close: try was %d on completion\n", try );
- 
+	rio_dprintk(RIO_DEBUG_TTY, "Close: try was %d on completion\n", try);
+
 	/* RIOPreemptiveCmd(p, PortP, FCLOSE); */
 
 /*
 ** 15.10.1998 ARG - ESIL 0761 part fix
 ** RIO has it's own CTSFLOW and RTSFLOW flags in 'Config' in the port structure,** we need to make sure that the flags are clear when the port is opened.
 */
-	PortP->Config &= ~(RIO_CTSFLOW|RIO_RTSFLOW);
-
+	PortP->Config &= ~(RIO_CTSFLOW | RIO_RTSFLOW);
 
-#ifdef STATS
-	PortP->Stat.CloseCnt++;
-#endif
 	/*
-	** Count opens for port statistics reporting
-	*/
+	 ** Count opens for port statistics reporting
+	 */
 	if (PortP->statsGather)
 		PortP->closes++;
 
@@ -713,70 +538,28 @@ close_end:
 	   thought that a "deleted" flag means that the port was
 	   permanently gone, but here we can make it reappear by it
 	   being in close during the "deletion".
-	*/
-	PortP->State &= ~(RIO_CLOSING|RIO_DELETED);
+	 */
+	PortP->State &= ~(RIO_CLOSING | RIO_DELETED);
 	if (PortP->firstOpen)
 		PortP->firstOpen--;
 	rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-	rio_dprintk (RIO_DEBUG_TTY, "Return from close\n");
+	rio_dprintk(RIO_DEBUG_TTY, "Return from close\n");
 	return rv;
 }
 
 
-/*
-** decide if we need to use the line discipline.
-** This routine can return one of three values:
-** COOK_RAW if no processing has to be done by the line discipline or the card
-** COOK_WELL if the line discipline must be used to do the processing
-** COOK_MEDIUM if the card can do all the processing necessary.
-*/
-#if 0
-static int
-RIOCookMode(struct ttystatics *tp)
-{
-	/*
-	** We can't handle tm.c_mstate != 0 on SCO
-	** We can't handle mapping
-	** We can't handle non-ttwrite line disc.
-	** We can't handle lflag XCASE
-	** We can handle oflag OPOST & (OCRNL, ONLCR, TAB3)
-	*/
-
-#ifdef CHECK
-	CheckTtyP( tp );
-#endif
-	if (!(tp->tm.c_oflag & OPOST))	/* No post processing */
-		return COOK_RAW;	/* Raw mode o/p */
-
-	if ( tp->tm.c_lflag & XCASE )
-		return COOK_WELL;	/* Use line disc */
-
-	if (tp->tm.c_oflag & ~(OPOST | ONLCR | OCRNL | TAB3 ) )
-		return COOK_WELL;	/* Use line disc for strange modes */
-
-	if ( tp->tm.c_oflag == OPOST )	/* If only OPOST is set, do RAW */
-		return COOK_RAW;
 
-	/*
-	** So, we need to output process!
-	*/
-	return COOK_MEDIUM;
-}
-#endif
-
-static void
-RIOClearUp(PortP)
-struct Port *PortP;
+static void RIOClearUp(struct Port *PortP)
 {
-	rio_dprintk (RIO_DEBUG_TTY, "RIOHalted set\n");
-	PortP->Config = 0;	  /* Direct semaphore */
+	rio_dprintk(RIO_DEBUG_TTY, "RIOHalted set\n");
+	PortP->Config = 0;	/* Direct semaphore */
 	PortP->PortState = 0;
 	PortP->firstOpen = 0;
 	PortP->FlushCmdBodge = 0;
 	PortP->ModemState = PortP->CookMode = 0;
 	PortP->Mapped = 0;
 	PortP->WflushFlag = 0;
-	PortP->MagicFlags	= 0;
+	PortP->MagicFlags = 0;
 	PortP->RxDataStart = 0;
 	PortP->TxBufferIn = 0;
 	PortP->TxBufferOut = 0;
@@ -791,33 +574,26 @@ struct Port *PortP;
 ** Other values of len aren't allowed, and will cause
 ** a panic.
 */
-int RIOShortCommand(struct rio_info *p, struct Port *PortP,
-		int command, int len, int arg)
+int RIOShortCommand(struct rio_info *p, struct Port *PortP, int command, int len, int arg)
 {
-	PKT *PacketP;
-	int		retries = 20; /* at 10 per second -> 2 seconds */
+	struct PKT __iomem *PacketP;
+	int retries = 20;	/* at 10 per second -> 2 seconds */
 	unsigned long flags;
 
-	rio_dprintk (RIO_DEBUG_TTY, "entering shortcommand.\n");
-#ifdef CHECK
-	CheckPortP( PortP );
-	if ( len < 1 || len > 2 )
-		cprintf(("STUPID LENGTH %d\n",len));
-#endif
+	rio_dprintk(RIO_DEBUG_TTY, "entering shortcommand.\n");
 
-	if ( PortP->State & RIO_DELETED ) {
-		rio_dprintk (RIO_DEBUG_TTY, "Short command to deleted RTA ignored\n");
+	if (PortP->State & RIO_DELETED) {
+		rio_dprintk(RIO_DEBUG_TTY, "Short command to deleted RTA ignored\n");
 		return RIO_FAIL;
 	}
 	rio_spin_lock_irqsave(&PortP->portSem, flags);
 
 	/*
-	** If the port is in use for pre-emptive command, then wait for it to 
-	** be free again.
-	*/
-	while ( (PortP->InUse != NOT_INUSE) && !p->RIOHalted ) {
-		rio_dprintk (RIO_DEBUG_TTY, "Waiting for not in use (%d)\n", 
-					   retries);
+	 ** If the port is in use for pre-emptive command, then wait for it to
+	 ** be free again.
+	 */
+	while ((PortP->InUse != NOT_INUSE) && !p->RIOHalted) {
+		rio_dprintk(RIO_DEBUG_TTY, "Waiting for not in use (%d)\n", retries);
 		rio_spin_unlock_irqrestore(&PortP->portSem, flags);
 		if (retries-- <= 0) {
 			return RIO_FAIL;
@@ -827,47 +603,47 @@ int RIOShortCommand(struct rio_info *p, struct Port *PortP,
 		}
 		rio_spin_lock_irqsave(&PortP->portSem, flags);
 	}
-	if ( PortP->State & RIO_DELETED ) {
-		rio_dprintk (RIO_DEBUG_TTY, "Short command to deleted RTA ignored\n");
+	if (PortP->State & RIO_DELETED) {
+		rio_dprintk(RIO_DEBUG_TTY, "Short command to deleted RTA ignored\n");
 		rio_spin_unlock_irqrestore(&PortP->portSem, flags);
 		return RIO_FAIL;
 	}
 
-	while ( !can_add_transmit(&PacketP,PortP) && !p->RIOHalted ) {
-		rio_dprintk (RIO_DEBUG_TTY, "Waiting to add short command to queue (%d)\n", retries);
+	while (!can_add_transmit(&PacketP, PortP) && !p->RIOHalted) {
+		rio_dprintk(RIO_DEBUG_TTY, "Waiting to add short command to queue (%d)\n", retries);
 		rio_spin_unlock_irqrestore(&PortP->portSem, flags);
 		if (retries-- <= 0) {
-		  rio_dprintk (RIO_DEBUG_TTY, "out of tries. Failing\n");
+			rio_dprintk(RIO_DEBUG_TTY, "out of tries. Failing\n");
 			return RIO_FAIL;
 		}
-		if ( RIODelay_ni(PortP, HUNDRED_MS)==RIO_FAIL ) {
+		if (RIODelay_ni(PortP, HUNDRED_MS) == RIO_FAIL) {
 			return RIO_FAIL;
 		}
 		rio_spin_lock_irqsave(&PortP->portSem, flags);
 	}
 
-	if ( p->RIOHalted ) {
+	if (p->RIOHalted) {
 		rio_spin_unlock_irqrestore(&PortP->portSem, flags);
 		return RIO_FAIL;
 	}
 
 	/*
-	** set the command byte and the argument byte
-	*/
-	WBYTE(PacketP->data[0] , command);
+	 ** set the command byte and the argument byte
+	 */
+	writeb(command, &PacketP->data[0]);
 
-	if ( len==2 )
-		WBYTE(PacketP->data[1] , arg);
+	if (len == 2)
+		writeb(arg, &PacketP->data[1]);
 
 	/*
-	** set the length of the packet and set the command bit.
-	*/
-	WBYTE(PacketP->len , PKT_CMD_BIT | len);
+	 ** set the length of the packet and set the command bit.
+	 */
+	writeb(PKT_CMD_BIT | len, &PacketP->len);
 
 	add_transmit(PortP);
 	/*
-	** Count characters transmitted for port statistics reporting
-	*/
+	 ** Count characters transmitted for port statistics reporting
+	 */
 	if (PortP->statsGather)
 		PortP->txchars += len;
 
@@ -876,501 +652,3 @@ int RIOShortCommand(struct rio_info *p, struct Port *PortP,
 }
 
 
-#if 0
-/*
-** This is an ioctl interface. This is the twentieth century. You know what
-** its all about.
-*/
-int
-riotioctl(struct rio_info *p, struct tty_struct *tty, int cmd, caddr_t arg)
-{
-	register struct		Port *PortP;
-	register struct		ttystatics *tp;
-	int					current;
-	int					ParamSemIncremented = 0;
-	int					old_oflag, old_cflag, old_iflag, changed, oldcook;
-	int					i;
-	unsigned char		sio_regs[5];		/* Here be magic */
-	short				vpix_cflag;
-	short				divisor;
-	int					baud;
-	uint				SysPort = rio_minor(tty);
-	int				Modem = rio_ismodem(tty);
-	int					ioctl_processed;
-
-	rio_dprintk (RIO_DEBUG_TTY, "port ioctl SysPort %d command 0x%x argument 0x%x %s\n",
-			SysPort, cmd, arg, Modem?"Modem":"tty") ;
-
-	if ( SysPort >= RIO_PORTS ) {
-		rio_dprintk (RIO_DEBUG_TTY, "Bad port number %d\n", SysPort);
-		return -ENXIO;
-	}
-
-	PortP = p->RIOPortp[SysPort];
-	tp = PortP->TtyP;
-
-	rio_spin_lock_irqsave(&PortP->portSem, flags);
-
-#ifdef STATS
-	PortP->Stat.IoctlCnt++;
-#endif
-
-	if ( PortP->State & RIO_DELETED ) {
-		rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-		return -EIO;
-	}
-
-
-	if ( p->RIOHalted ) {
-		RIOClearUp( PortP );
-		rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-		return -EIO;
-	}
-
-	/*
-	** Count ioctls for port statistics reporting
-	*/
-	if (PortP->statsGather)
-		PortP->ioctls++;
-
-	/*
-	** Specialix RIO Ioctl calls
-	*/
-	switch (cmd) {
-
-		case TCRIOTRIAD:
-			if ( arg )
-				PortP->State |= RIO_TRIAD_MODE;
-			else
-				PortP->State &= ~RIO_TRIAD_MODE;
-			/*
-			** Normally, when istrip is set on a port, a config is
-			** sent to the RTA instructing the CD1400 to do the
-			** stripping. In TRIAD mode, the interrupt receive routine
-			** must do the stripping instead, since it has to detect
-			** an 8 bit function key sequence. If istrip is set with
-			** TRIAD mode on(off), and 8 bit data is being read by
-			** the port, the user then turns TRIAD mode off(on), the RTA
-			** must be reconfigured (not) to do the stripping.
-			** Hence we call RIOParam here.
-			*/
-			rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-			RIOParam(PortP,CONFIG,Modem,OK_TO_SLEEP);	
-			return 0;
-
-		case TCRIOTSTATE:
-			rio_dprintk (RIO_DEBUG_TTY, "tbusy/tstop monitoring %sabled\n",
-		 		arg ? "en" : "dis");
-			/* MonitorTstate = 0 ;*/
-			rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-			RIOParam(PortP, CONFIG, Modem, OK_TO_SLEEP);
-			return 0;
-
-		case TCRIOSTATE: /* current state of Modem input pins */
-			rio_dprintk (RIO_DEBUG_TTY, "TCRIOSTATE\n");
-			if (RIOPreemptiveCmd(p, PortP, MGET) == RIO_FAIL)
-				rio_dprintk (RIO_DEBUG_TTY, "TCRIOSTATE command failed\n");
-			PortP->State |= RIO_BUSY;
-			current = PortP->ModemState;
-			if ( copyout((caddr_t)&current, (int)arg,
-							sizeof(current))==COPYFAIL ) {
-				rio_dprintk (RIO_DEBUG_TTY, "Copyout failed\n");
-				rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-				pseterr(EFAULT);
-			}
-			rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-			return 0;
-
-		case TCRIOMBIS:		/* Set modem lines */
-		case TCRIOMBIC:		/* Clear modem lines */
-			rio_dprintk (RIO_DEBUG_TTY, "TCRIOMBIS/TCRIOMBIC\n");
-			if (cmd == TCRIOMBIS) {
-				uint		state;
-				state = (uint)arg;
-				PortP->ModemState |= (ushort)state;
-				PortP->ModemLines = (ulong) arg;
-				if (RIOPreemptiveCmd(p, PortP, MBIS) == RIO_FAIL)
-					rio_dprintk (RIO_DEBUG_TTY, 
-					 "TCRIOMBIS command failed\n");
-			}
-			else {
-				uint		state;
-
-				state = (uint)arg;
-				PortP->ModemState &= ~(ushort)state;
-				PortP->ModemLines = (ulong) arg;
-				if (RIOPreemptiveCmd(p, PortP, MBIC) == RIO_FAIL)
-					rio_dprintk (RIO_DEBUG_TTY, "TCRIOMBIC command failed\n");
-			}
-			PortP->State |= RIO_BUSY;
-			rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-			return 0;
-
-		case TCRIOXPON: /* set Xprint ON string */
-			rio_dprintk (RIO_DEBUG_TTY, "TCRIOXPON\n");
-			if ( copyin((int)arg, (caddr_t)PortP->Xprint.XpOn,
-						MAX_XP_CTRL_LEN)==COPYFAIL ) {
-				rio_dprintk (RIO_DEBUG_TTY, "Copyin failed\n");
-				PortP->Xprint.XpOn[0] = '\0';
-				rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-				pseterr(EFAULT);
-			}
-			PortP->Xprint.XpOn[MAX_XP_CTRL_LEN-1] = '\0';
-			PortP->Xprint.XpLen = strlen(PortP->Xprint.XpOn)+
-												strlen(PortP->Xprint.XpOff);
-			rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-			return 0;
-
-		case TCRIOXPOFF: /* set Xprint OFF string */
-			rio_dprintk (RIO_DEBUG_TTY, "TCRIOXPOFF\n");
-			if ( copyin( (int)arg, (caddr_t)PortP->Xprint.XpOff,
-						MAX_XP_CTRL_LEN)==COPYFAIL ) {
-				rio_dprintk (RIO_DEBUG_TTY, "Copyin failed\n");
-				PortP->Xprint.XpOff[0] = '\0';
-				rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-				pseterr(EFAULT);
-			}
-			PortP->Xprint.XpOff[MAX_XP_CTRL_LEN-1] = '\0';
-			PortP->Xprint.XpLen = strlen(PortP->Xprint.XpOn)+
-										strlen(PortP->Xprint.XpOff);
-			rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-			return 0;
-
-		case TCRIOXPCPS: /* set Xprint CPS string */
-			rio_dprintk (RIO_DEBUG_TTY, "TCRIOXPCPS\n");
-			if ( (uint)arg > p->RIOConf.MaxXpCps || 
-					(uint)arg < p->RIOConf.MinXpCps ) {
-				rio_dprintk (RIO_DEBUG_TTY, "%d CPS out of range\n",arg);
-				rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-				pseterr(EINVAL);
-				return 0;
-			}
-			PortP->Xprint.XpCps = (uint)arg;
-			rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-			return 0;
-
-		case TCRIOXPRINT:
-			rio_dprintk (RIO_DEBUG_TTY, "TCRIOXPRINT\n");
-			if ( copyout((caddr_t)&PortP->Xprint, (int)arg,
-					sizeof(struct Xprint))==COPYFAIL ) {
-			        rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-				pseterr(EFAULT);
-			}
-			rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-			return 0;
-
-		case TCRIOIXANYON:
-			rio_dprintk (RIO_DEBUG_TTY, "TCRIOIXANYON\n");
-			PortP->Config |= RIO_IXANY;
-			rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-			return 0;
-
-		case TCRIOIXANYOFF:
-			rio_dprintk (RIO_DEBUG_TTY, "TCRIOIXANYOFF\n");
-			PortP->Config &= ~RIO_IXANY;
-			rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-			return 0;
-
-		case TCRIOIXONON:
-			rio_dprintk (RIO_DEBUG_TTY, "TCRIOIXONON\n");
-			PortP->Config |= RIO_IXON;
-			rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-			return 0;
-
-		case TCRIOIXONOFF:
-			rio_dprintk (RIO_DEBUG_TTY, "TCRIOIXONOFF\n");
-			PortP->Config &= ~RIO_IXON;
-			rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-			return 0;
-
-/*
-** 15.10.1998 ARG - ESIL 0761 part fix
-** Added support for CTS and RTS flow control ioctls :
-*/
-		case TCRIOCTSFLOWEN:
-			rio_dprintk (RIO_DEBUG_TTY, "TCRIOCTSFLOWEN\n");
-			PortP->Config |= RIO_CTSFLOW;
-			rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-			RIOParam(PortP,CONFIG,Modem,OK_TO_SLEEP);	
-			return 0;
-
-		case TCRIOCTSFLOWDIS:
-			rio_dprintk (RIO_DEBUG_TTY, "TCRIOCTSFLOWDIS\n");
-			PortP->Config &= ~RIO_CTSFLOW;
-			rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-			RIOParam(PortP,CONFIG,Modem,OK_TO_SLEEP);	
-			return 0;
-
-		case TCRIORTSFLOWEN:
-			rio_dprintk (RIO_DEBUG_TTY, "TCRIORTSFLOWEN\n");
-			PortP->Config |= RIO_RTSFLOW;
-			rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-			RIOParam(PortP,CONFIG,Modem,OK_TO_SLEEP);	
-			return 0;
-
-		case TCRIORTSFLOWDIS:
-			rio_dprintk (RIO_DEBUG_TTY, "TCRIORTSFLOWDIS\n");
-			PortP->Config &= ~RIO_RTSFLOW;
-			rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-			RIOParam(PortP,CONFIG,Modem,OK_TO_SLEEP);	
-			return 0;
-
-/* end ESIL 0761 part fix */
-
-	}
-
-
-	/* Lynx IOCTLS */
-	switch (cmd) {
-		case TIOCSETP:
-		case TIOCSETN:
-		case OTIOCSETP:
-		case OTIOCSETN:
-			ioctl_processed++;
-			ttyseth(PortP, tp, (struct old_sgttyb *)arg);
-			break;
-		case TCSETA:
-		case TCSETAW:
-		case TCSETAF:
-			ioctl_processed++;
-			rio_dprintk (RIO_DEBUG_TTY, "NON POSIX ioctl\n");
-			ttyseth_pv(PortP, tp, (struct termios *)arg, 0);
-			break;
-		case TCSETAP:	/* posix tcsetattr() */
-		case TCSETAWP:	/* posix tcsetattr() */
-		case TCSETAFP:	/* posix tcsetattr() */
-			rio_dprintk (RIO_DEBUG_TTY, "NON POSIX SYSV ioctl\n");
-			ttyseth_pv(PortP, tp, (struct termios *)arg, 1);
-			ioctl_processed++;
-			break;
-	}
-
-	/*
-	** If its any of the commands that require the port to be in the
-	** non-busy state wait until all output has drained 
-	*/
-	if (!ioctl_processed)
-	switch(cmd) {
-		case TCSETAW:
-		case TCSETAF:
-		case TCSETA:
-		case TCSBRK:
-#define OLD_POSIX ('x' << 8)
-#define OLD_POSIX_SETA (OLD_POSIX | 2)
-#define OLD_POSIX_SETAW (OLD_POSIX | 3)
-#define OLD_POSIX_SETAF (OLD_POSIX | 4)
-#define NEW_POSIX (('i' << 24) | ('X' << 16))
-#define NEW_POSIX_SETA (NEW_POSIX | 2)
-#define NEW_POSIX_SETAW (NEW_POSIX | 3)
-#define NEW_POSIX_SETAF (NEW_POSIX | 4)
-		case OLD_POSIX_SETA:
-		case OLD_POSIX_SETAW:
-		case OLD_POSIX_SETAF:
-		case NEW_POSIX_SETA:
-		case NEW_POSIX_SETAW:
-		case NEW_POSIX_SETAF:
-#ifdef TIOCSETP
-		case TIOCSETP:
-#endif
-		case TIOCSETD:
-		case TIOCSETN:
-			rio_dprintk (RIO_DEBUG_TTY, "wait for non-BUSY, semaphore set\n");
-			/*
-			** Wait for drain here, at least as far as the double buffer
-			** being empty.
-			*/
-			/* XXX Does the above comment mean that this has
-			   still to be implemented? -- REW */
-			/* XXX Is the locking OK together with locking
-                           in txenable? (Deadlock?) -- REW */
-			
-			RIOTxEnable((char *)PortP);
-			break;
-		default:
-			break;
-	}
-
-	old_cflag = tp->tm.c_cflag;
-	old_iflag = tp->tm.c_iflag;
-	old_oflag = tp->tm.c_oflag;
-	oldcook = PortP->CookMode;
-
-	if ( p->RIOHalted ) {
-		RIOClearUp( PortP );
-		rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-		pseterr(EIO);
-		return 0;
-	}
-
-	PortP->FlushCmdBodge = 0;
-
-	/*
-	** If the port is locked, and it is reconfigured, we want
-	** to restore the state of the tty structure so the change is NOT
-	** made.
-	*/
-	if (PortP->Lock) {
-		tp->tm.c_iflag = PortP->StoredTty.iflag;
-		tp->tm.c_oflag = PortP->StoredTty.oflag;
-		tp->tm.c_cflag = PortP->StoredTty.cflag;
-		tp->tm.c_lflag = PortP->StoredTty.lflag;
-		tp->tm.c_line = PortP->StoredTty.line;
-		for (i = 0; i < NCC + 1; i++)
-			tp->tm.c_cc[i] = PortP->StoredTty.cc[i];
-	}
-	else {
-		/*
-		** If the port is set to store the parameters, and it is
-		** reconfigured, we want to save the current tty struct so it
-		** may be restored on the next open.
-		*/
-		if (PortP->Store) {
-			PortP->StoredTty.iflag = tp->tm.c_iflag;
-			PortP->StoredTty.oflag = tp->tm.c_oflag;
-			PortP->StoredTty.cflag = tp->tm.c_cflag;
-			PortP->StoredTty.lflag = tp->tm.c_lflag;
-			PortP->StoredTty.line = tp->tm.c_line;
-			for (i = 0; i < NCC + 1; i++)
-				PortP->StoredTty.cc[i] = tp->tm.c_cc[i];
-		}
-	}
-
-	changed = (tp->tm.c_cflag != old_cflag) ||
-				(tp->tm.c_iflag != old_iflag) ||
-				(tp->tm.c_oflag != old_oflag);
-
-	PortP->CookMode = RIOCookMode(tp);	/* Set new cooking mode */
-
-	rio_dprintk (RIO_DEBUG_TTY, "RIOIoctl changed %d newcook %d oldcook %d\n",
-			changed,PortP->CookMode,oldcook);
-
-#ifdef MODEM_SUPPORT
-	/*
-	** kludge to force CARR_ON if CLOCAL set
-	*/
-	if ((tp->tm.c_cflag & CLOCAL) || (PortP->ModemState & MSVR1_CD))	{
-		tp->tm.c_state |= CARR_ON;
-		wakeup ((caddr_t)&tp->tm.c_canq);
-	}
-#endif
-
-	if ( p->RIOHalted ) {
-		RIOClearUp( PortP );
-		rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-		pseterr(EIO);
-		return 0;
-	}
-	/*
-	** Re-configure if modes or cooking have changed
-	*/
-	if (changed || oldcook != PortP->CookMode || (ioctl_processed)) {
-		rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-		rio_dprintk (RIO_DEBUG_TTY, "Ioctl changing the PORT settings\n");
-		RIOParam(PortP,CONFIG,Modem,OK_TO_SLEEP);	
-		rio_spin_lock_irqsave(&PortP->portSem, flags);
-	}
-
-	if (p->RIOHalted) {
-		rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-		RIOClearUp( PortP );
-		pseterr(EIO);
-		return 0;
-	}
-	rio_spin_unlock_irqrestore(&PortP->portSem, flags);
-	return 0;
-}
-
-/*
-	ttyseth -- set hardware dependent tty settings
-*/
-void
-ttyseth(PortP, s, sg)
-struct Port *		PortP;
-struct ttystatics *		s;
-struct old_sgttyb *sg;
-{
-	struct old_sgttyb *	tsg;
-	struct termios *tp = &s->tm;
-
-	tsg = &s->sg;
-
-	if (sg->sg_flags & (EVENP|ODDP))  {
-		tp->c_cflag &= PARENB;
-		if (sg->sg_flags & EVENP) {
-			if (sg->sg_flags & ODDP) {
-				tp->c_cflag &= V_CS7;
-				tp->c_cflag &= ~PARENB;
-			}
-			else {
-				tp->c_cflag &= V_CS7;
-				tp->c_cflag &= PARENB;
-				tp->c_cflag &= PARODD;
-			}
-		}
-		else if (sg->sg_flags & ODDP) {
-			tp->c_cflag &= V_CS7;
-			tp->c_cflag &= PARENB;
-			tp->c_cflag &= PARODD;
-		}
-		else {
-			tp->c_cflag &= V_CS7;
-			tp->c_cflag &= PARENB;
-		}
-	}
-/*
- * Use ispeed as the desired speed.  Most implementations don't handle 
- * separate input and output speeds very well. If the RIO handles this, 
- * I will have to use separate sets of flags to store them in the 
- * Port structure.
- */
-	if ( !sg->sg_ospeed )
-		sg->sg_ospeed = sg->sg_ispeed;
-	else
-		sg->sg_ispeed = sg->sg_ospeed;
-	if (sg->sg_ispeed > V_EXTB ) 
-		sg->sg_ispeed = V_EXTB;
-	if (sg->sg_ispeed < V_B0)
-		sg->sg_ispeed = V_B0;
-	*tsg = *sg;
-   tp->c_cflag = (tp->c_cflag & ~V_CBAUD) | conv_bv[(int)sg->sg_ispeed];
-}
-
-/*
-	ttyseth_pv -- set hardware dependent tty settings using either the
-			POSIX termios structure or the System V termio structure.
-				sysv = 0 => (POSIX):	 struct termios *sg
-				sysv != 0 => (System V): struct termio *sg
-*/
-static void
-ttyseth_pv(PortP, s, sg, sysv)
-struct Port *PortP;
-struct ttystatics *s;
-struct termios *sg;
-int sysv;
-{
-    int speed;
-    unsigned char csize;
-    unsigned char cread;
-    unsigned int lcr_flags;
-    int ps;
- 
-    if (sysv) {
-        /* sg points to a System V termio structure */
-        csize = ((struct termio *)sg)->c_cflag & CSIZE;
-        cread = ((struct termio *)sg)->c_cflag & CREAD;
-        speed = conv_vb[((struct termio *)sg)->c_cflag & V_CBAUD];
-    }
-    else {
-        /* sg points to a POSIX termios structure */
-        csize = sg->c_cflag & CSIZE;
-        cread = sg->c_cflag & CREAD;
-        speed = conv_vb[sg->c_cflag & V_CBAUD];
-    }
-    if (s->sg.sg_ispeed != speed || s->sg.sg_ospeed != speed) {
-        s->sg.sg_ispeed = speed;
-        s->sg.sg_ospeed = speed;
-        s->tm.c_cflag = (s->tm.c_cflag & ~V_CBAUD) |
-                         conv_bv[(int)s->sg.sg_ispeed];
-    }
-}
-#endif