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path: root/drivers/char/rio/riotty.c
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Diffstat (limited to 'drivers/char/rio/riotty.c')
-rw-r--r--drivers/char/rio/riotty.c1217
1 files changed, 295 insertions, 922 deletions
diff --git a/drivers/char/rio/riotty.c b/drivers/char/rio/riotty.c
index 78a321afdf4f..6379816ed173 100644
--- a/drivers/char/rio/riotty.c
+++ b/drivers/char/rio/riotty.c
@@ -89,22 +89,13 @@ static char *_riotty_c_sccs_ = "@(#)riotty.c 1.3";
#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);
+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 */
-
+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
**
@@ -117,27 +108,25 @@ extern int conv_bv[]; /* now defined in ttymgr.c */
#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 */
+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
@@ -145,62 +134,59 @@ default_sg =
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;
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);
+ Modem = rio_ismodem(tty);
- if ( p->RIOFailed ) {
- rio_dprintk (RIO_DEBUG_TTY, "System initialisation failed\n");
+ if (p->RIOFailed) {
+ rio_dprintk(RIO_DEBUG_TTY, "System initialisation failed\n");
pseterr(ENXIO);
- func_exit ();
+ 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 (%s) (mapped:%d)\n", SysPort, Modem ? "Modem" : "tty", 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);
+ rio_dprintk(RIO_DEBUG_TTY, "Illegal port number %d\n", SysPort);
pseterr(ENXIO);
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 ();
+ ** 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);
return -ENXIO;
}
@@ -210,132 +196,93 @@ 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");
+ ** 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 ();
+ 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;
}
@@ -346,16 +293,16 @@ 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. */
@@ -363,26 +310,21 @@ riotopen(struct tty_struct * tty, struct file * filp)
rio_spin_unlock_irqrestore(&PortP->portSem, flags);
#ifdef NEED_THIS
- ttyseth(PortP, tp, (struct old_sgttyb *)&default_sg);
+ 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, Modem, 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);
+ ** 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"
@@ -399,115 +341,106 @@ riotopen(struct tty_struct * tty, struct file * filp)
*/
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
+#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);
- */
+ 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);
+ 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);
/*
- PortP->gs.tty->termios->c_state |= WOPEN;
- */
+ 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)
-#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;
- }
+ if (RIODelay(PortP, HUNDRED_MS) == RIO_FAIL)
+ {
+ /*
+ ** 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;
+ }
}
PortP->State &= ~RIO_WOPEN;
}
- if ( p->RIOHalted )
+ if (p->RIOHalted)
goto bombout;
- rio_dprintk (RIO_DEBUG_TTY, "Setting RIO_MOPEN\n");
+ rio_dprintk(RIO_DEBUG_TTY, "Setting RIO_MOPEN\n");
PortP->State |= RIO_MOPEN;
- }
- else
+ } else
#endif
{
/*
- ** ACTION
- ** Direct line open - force carrier (will probably mean
- ** that sleeping Modem line fubar)
- */
+ ** ACTION
+ ** Direct line open - force carrier (will probably mean
+ ** that sleeping Modem line fubar)
+ */
PortP->State |= RIO_LOPEN;
}
- 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 +449,73 @@ 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 */
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.) */
+ 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;
+ struct tty_struct *tty;
unsigned long flags;
int Modem;
int rv = 0;
-
- rio_dprintk (RIO_DEBUG_TTY, "port close SysPort %d\n",PortP->PortNum);
+
+ 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 0x%x\n", (int) 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 0x%x\n", (int) 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
- */
+ ** clear the open bits for this device
+ */
PortP->State &= (Modem ? ~RIO_MOPEN : ~RIO_LOPEN);
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 +523,47 @@ 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)) {
+ 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;
+ 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)
@@ -651,8 +571,8 @@ riotclose(void *ptr)
return -EIO;
}
- if ( p->RIOHalted ) {
- RIOClearUp( PortP );
+ if (p->RIOHalted) {
+ RIOClearUp(PortP);
goto close_end;
}
@@ -665,115 +585,73 @@ riotclose(void *ptr)
}
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++;
-close_end:
+ close_end:
/* XXX: Why would a "DELETED" flag be reset here? I'd have
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)
+static void RIOClearUp(PortP)
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;
@@ -788,33 +666,26 @@ 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 */
+ 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;
@@ -824,47 +695,47 @@ 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
+ */
+ WBYTE(PacketP->data[0], command);
- if ( len==2 )
- WBYTE(PacketP->data[1] , arg);
+ if (len == 2)
+ WBYTE(PacketP->data[1], arg);
/*
- ** 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.
+ */
+ WBYTE(PacketP->len, PKT_CMD_BIT | len);
add_transmit(PortP);
/*
- ** Count characters transmitted for port statistics reporting
- */
+ ** Count characters transmitted for port statistics reporting
+ */
if (PortP->statsGather)
PortP->txchars += len;
@@ -873,501 +744,3 @@ 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
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