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Diffstat (limited to 'drivers/char/rio/riotty.c')
-rw-r--r--drivers/char/rio/riotty.c198
1 files changed, 53 insertions, 145 deletions
diff --git a/drivers/char/rio/riotty.c b/drivers/char/rio/riotty.c
index 6379816ed173..204267613c9c 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"
@@ -77,58 +74,18 @@ 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"
static void RIOClearUp(struct Port *PortP);
-int RIOShortCommand(struct rio_info *p, struct Port *PortP, int command, int len, int arg);
-
-
-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;
@@ -136,8 +93,7 @@ extern struct rio_info *p;
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 */
unsigned long flags;
@@ -151,16 +107,14 @@ int riotopen(struct tty_struct *tty, struct file *filp)
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();
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.
@@ -170,7 +124,6 @@ int riotopen(struct tty_struct *tty, struct file *filp)
*/
if (SysPort >= RIO_PORTS) { /* out of range ? */
rio_dprintk(RIO_DEBUG_TTY, "Illegal port number %d\n", SysPort);
- pseterr(ENXIO);
func_exit();
return -ENXIO;
}
@@ -187,7 +140,6 @@ int riotopen(struct tty_struct *tty, struct file *filp)
*/
rio_dprintk(RIO_DEBUG_TTY, "port not mapped into system\n");
func_exit();
- pseterr(ENXIO);
return -ENXIO;
}
@@ -209,7 +161,6 @@ int riotopen(struct tty_struct *tty, struct file *filp)
*/
if ((PortP->HostP->Flags & RUN_STATE) != RC_RUNNING) {
rio_dprintk(RIO_DEBUG_TTY, "Host not running\n");
- pseterr(ENXIO);
func_exit();
return -ENXIO;
}
@@ -309,15 +260,12 @@ int riotopen(struct tty_struct *tty, struct file *filp)
/* 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.
-- REW */
- RIOParam(PortP, OPEN, Modem, OK_TO_SLEEP); /* Open the port */
+ RIOParam(PortP, OPEN, 1, OK_TO_SLEEP); /* Open the port */
rio_spin_lock_irqsave(&PortP->portSem, flags);
/*
@@ -325,20 +273,6 @@ int riotopen(struct tty_struct *tty, struct file *filp)
*/
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;
- }
-**
-*/
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");
@@ -358,80 +292,61 @@ int riotopen(struct tty_struct *tty, struct file *filp)
}
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
+ tp->tm.c_state |= CARR_ON;
+ wakeup((caddr_t) &tp->tm.c_canq);
*/
- if ((PortP->gs.tty->termios->c_cflag & CLOCAL) || (PortP->ModemState & MSVR1_CD)) {
- rio_dprintk(RIO_DEBUG_TTY, "open(%d) Modem carr on\n", SysPort);
+ 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 )
+ PortP->gs.tty->termios->c_state |= WOPEN;
*/
- 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->State |= RIO_WOPEN;
+ rio_spin_unlock_irqrestore(&PortP->portSem, flags);
+ if (RIODelay(PortP, HUNDRED_MS) == RIO_FAIL) {
/*
- PortP->gs.tty->termios->c_state |= WOPEN;
+ ** ACTION: verify that this is a good thing
+ ** to do here. -- ???
+ ** I think it's OK. -- REW
*/
- PortP->State |= RIO_WOPEN;
+ 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)
- {
- /*
- ** 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");
-#ifdef STATS
- PortP->Stat.OpenCnt++;
-#endif
/*
** Count opens for port statistics reporting
*/
@@ -460,23 +375,21 @@ int riotclose(void *ptr)
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);
/* PortP = p->RIOPortp[SysPort]; */
- rio_dprintk(RIO_DEBUG_TTY, "Port is at address 0x%x\n", (int) PortP);
+ 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)
end_time = jiffies + PortP->gs.closing_wait;
else
end_time = jiffies + MAX_SCHEDULE_TIMEOUT;
- Modem = rio_ismodem(tty);
rio_spin_lock_irqsave(&PortP->portSem, flags);
/*
@@ -500,7 +413,7 @@ int riotclose(void *ptr)
/*
** clear the open bits for this device
*/
- PortP->State &= (Modem ? ~RIO_MOPEN : ~RIO_LOPEN);
+ PortP->State &= ~RIO_MOPEN;
PortP->State &= ~RIO_CARR_ON;
PortP->ModemState &= ~MSVR1_CD;
/*
@@ -536,7 +449,6 @@ int riotclose(void *ptr)
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");
@@ -615,16 +527,13 @@ int riotclose(void *ptr)
*/
PortP->Config &= ~(RIO_CTSFLOW | RIO_RTSFLOW);
-#ifdef STATS
- PortP->Stat.CloseCnt++;
-#endif
/*
** 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
@@ -640,8 +549,7 @@ int riotclose(void *ptr)
-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 */
@@ -668,7 +576,7 @@ struct Port *PortP;
*/
int RIOShortCommand(struct rio_info *p, struct Port *PortP, int command, int len, int arg)
{
- PKT *PacketP;
+ struct PKT *PacketP;
int retries = 20; /* at 10 per second -> 2 seconds */
unsigned long flags;
@@ -722,15 +630,15 @@ int RIOShortCommand(struct rio_info *p, struct Port *PortP, int command, int len
/*
** set the command byte and the argument byte
*/
- WBYTE(PacketP->data[0], command);
+ writeb(command, &PacketP->data[0]);
if (len == 2)
- WBYTE(PacketP->data[1], arg);
+ writeb(arg, &PacketP->data[1]);
/*
** set the length of the packet and set the command bit.
*/
- WBYTE(PacketP->len, PKT_CMD_BIT | len);
+ writeb(PKT_CMD_BIT | len, &PacketP->len);
add_transmit(PortP);
/*