diff options
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/rio/riotty.c | 583 |
1 files changed, 0 insertions, 583 deletions
diff --git a/drivers/char/rio/riotty.c b/drivers/char/rio/riotty.c index 5894a25b011..6379816ed17 100644 --- a/drivers/char/rio/riotty.c +++ b/drivers/char/rio/riotty.c @@ -89,16 +89,9 @@ 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); -#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 */ @@ -226,33 +219,6 @@ int riotopen(struct tty_struct *tty, struct file *filp) ** 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 /* 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 be great... -- REW @@ -281,21 +247,10 @@ int riotopen(struct tty_struct *tty, struct file *filp) } } rio_dprintk(RIO_DEBUG_TTY, "RTA has been booted\n"); -#endif -#if 0 - tp = PortP->TtyP; /* get tty struct */ -#endif rio_spin_lock_irqsave(&PortP->portSem, flags); 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, @@ -363,11 +318,6 @@ int riotopen(struct tty_struct *tty, struct file *filp) 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 rio_spin_lock_irqsave(&PortP->portSem, flags); /* @@ -439,9 +389,6 @@ int riotopen(struct tty_struct *tty, struct file *filp) 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 @@ -505,10 +452,6 @@ int riotopen(struct tty_struct *tty, struct file *filp) */ 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 */ @@ -534,13 +477,6 @@ int riotclose(void *ptr) 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); /* @@ -703,45 +639,6 @@ int riotclose(void *ptr) } -/* -** 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; @@ -776,11 +673,6 @@ int RIOShortCommand(struct rio_info *p, struct Port *PortP, int command, int len 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 if (PortP->State & RIO_DELETED) { rio_dprintk(RIO_DEBUG_TTY, "Short command to deleted RTA ignored\n"); @@ -852,478 +744,3 @@ int RIOShortCommand(struct rio_info *p, struct Port *PortP, int command, int len } -#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 |