static int stli_open(struct tty_struct *tty, struct file *filp);
static void stli_close(struct tty_struct *tty, struct file *filp);
static int stli_write(struct tty_struct *tty, const unsigned char *buf, int count);
-static void stli_putchar(struct tty_struct *tty, unsigned char ch);
+static int stli_putchar(struct tty_struct *tty, unsigned char ch);
static void stli_flushchars(struct tty_struct *tty);
static int stli_writeroom(struct tty_struct *tty);
static int stli_charsinbuffer(struct tty_struct *tty);
static void stli_stop(struct tty_struct *tty);
static void stli_start(struct tty_struct *tty);
static void stli_flushbuffer(struct tty_struct *tty);
-static void stli_breakctl(struct tty_struct *tty, int state);
+static int stli_breakctl(struct tty_struct *tty, int state);
static void stli_waituntilsent(struct tty_struct *tty, int timeout);
static void stli_sendxchar(struct tty_struct *tty, char ch);
static void stli_hangup(struct tty_struct *tty);
static void stli_brdpoll(struct stlibrd *brdp, cdkhdr_t __iomem *hdrp);
static void stli_poll(unsigned long arg);
static int stli_hostcmd(struct stlibrd *brdp, struct stliport *portp);
-static int stli_initopen(struct stlibrd *brdp, struct stliport *portp);
+static int stli_initopen(struct tty_struct *tty, struct stlibrd *brdp, struct stliport *portp);
static int stli_rawopen(struct stlibrd *brdp, struct stliport *portp, unsigned long arg, int wait);
static int stli_rawclose(struct stlibrd *brdp, struct stliport *portp, unsigned long arg, int wait);
-static int stli_waitcarrier(struct stlibrd *brdp, struct stliport *portp, struct file *filp);
-static int stli_setport(struct stliport *portp);
+static int stli_waitcarrier(struct tty_struct *tty, struct stlibrd *brdp,
+ struct stliport *portp, struct file *filp);
+static int stli_setport(struct tty_struct *tty);
static int stli_cmdwait(struct stlibrd *brdp, struct stliport *portp, unsigned long cmd, void *arg, int size, int copyback);
static void stli_sendcmd(struct stlibrd *brdp, struct stliport *portp, unsigned long cmd, void *arg, int size, int copyback);
static void __stli_sendcmd(struct stlibrd *brdp, struct stliport *portp, unsigned long cmd, void *arg, int size, int copyback);
static void stli_dodelaycmd(struct stliport *portp, cdkctrl_t __iomem *cp);
-static void stli_mkasyport(struct stliport *portp, asyport_t *pp, struct ktermios *tiosp);
+static void stli_mkasyport(struct tty_struct *tty, struct stliport *portp, asyport_t *pp, struct ktermios *tiosp);
static void stli_mkasysigs(asysigs_t *sp, int dtr, int rts);
static long stli_mktiocm(unsigned long sigvalue);
static void stli_read(struct stlibrd *brdp, struct stliport *portp);
static int stli_getserial(struct stliport *portp, struct serial_struct __user *sp);
-static int stli_setserial(struct stliport *portp, struct serial_struct __user *sp);
+static int stli_setserial(struct tty_struct *tty, struct serial_struct __user *sp);
static int stli_getbrdstats(combrd_t __user *bp);
-static int stli_getportstats(struct stliport *portp, comstats_t __user *cp);
-static int stli_portcmdstats(struct stliport *portp);
+static int stli_getportstats(struct tty_struct *tty, struct stliport *portp, comstats_t __user *cp);
+static int stli_portcmdstats(struct tty_struct *tty, struct stliport *portp);
static int stli_clrportstats(struct stliport *portp, comstats_t __user *cp);
static int stli_getportstruct(struct stliport __user *arg);
static int stli_getbrdstruct(struct stlibrd __user *arg);
{
struct stliport *portp;
unsigned int j;
+ struct tty_struct *tty;
for (j = 0; j < STL_MAXPORTS; j++) {
portp = brdp->ports[j];
if (portp != NULL) {
- if (portp->port.tty != NULL)
- tty_hangup(portp->port.tty);
+ tty = tty_port_tty_get(&portp->port);
+ if (tty != NULL) {
+ tty_hangup(tty);
+ tty_kref_put(tty);
+ }
kfree(portp);
}
}
* requires several commands to the board we will need to wait for any
* other open that is already initializing the port.
*/
- portp->port.tty = tty;
+ tty_port_tty_set(&portp->port, tty);
tty->driver_data = portp;
- portp->refcount++;
+ portp->port.count++;
wait_event_interruptible(portp->raw_wait,
!test_bit(ST_INITIALIZING, &portp->state));
if ((portp->port.flags & ASYNC_INITIALIZED) == 0) {
set_bit(ST_INITIALIZING, &portp->state);
- if ((rc = stli_initopen(brdp, portp)) >= 0) {
+ if ((rc = stli_initopen(tty, brdp, portp)) >= 0) {
portp->port.flags |= ASYNC_INITIALIZED;
clear_bit(TTY_IO_ERROR, &tty->flags);
}
* then also we might have to wait for carrier.
*/
if (!(filp->f_flags & O_NONBLOCK)) {
- if ((rc = stli_waitcarrier(brdp, portp, filp)) != 0)
+ if ((rc = stli_waitcarrier(tty, brdp, portp, filp)) != 0)
return rc;
}
portp->port.flags |= ASYNC_NORMAL_ACTIVE;
spin_unlock_irqrestore(&stli_lock, flags);
return;
}
- if ((tty->count == 1) && (portp->refcount != 1))
- portp->refcount = 1;
- if (portp->refcount-- > 1) {
+ if ((tty->count == 1) && (portp->port.count != 1))
+ portp->port.count = 1;
+ if (portp->port.count-- > 1) {
spin_unlock_irqrestore(&stli_lock, flags);
return;
}
clear_bit(ST_TXBUSY, &portp->state);
clear_bit(ST_RXSTOP, &portp->state);
set_bit(TTY_IO_ERROR, &tty->flags);
- if (tty->ldisc.flush_buffer)
- (tty->ldisc.flush_buffer)(tty);
+ tty_ldisc_flush(tty);
set_bit(ST_DOFLUSHRX, &portp->state);
stli_flushbuffer(tty);
tty->closing = 0;
- portp->port.tty = NULL;
+ tty_port_tty_set(&portp->port, NULL);
if (portp->openwaitcnt) {
if (portp->close_delay)
* this still all happens pretty quickly.
*/
-static int stli_initopen(struct stlibrd *brdp, struct stliport *portp)
+static int stli_initopen(struct tty_struct *tty,
+ struct stlibrd *brdp, struct stliport *portp)
{
- struct tty_struct *tty;
asynotify_t nt;
asyport_t aport;
int rc;
sizeof(asynotify_t), 0)) < 0)
return rc;
- tty = portp->port.tty;
- if (tty == NULL)
- return -ENODEV;
- stli_mkasyport(portp, &aport, tty->termios);
+ stli_mkasyport(tty, portp, &aport, tty->termios);
if ((rc = stli_cmdwait(brdp, portp, A_SETPORT, &aport,
sizeof(asyport_t), 0)) < 0)
return rc;
* waiting for the command to complete - so must have user context.
*/
-static int stli_setport(struct stliport *portp)
+static int stli_setport(struct tty_struct *tty)
{
+ struct stliport *portp = tty->driver_data;
struct stlibrd *brdp;
asyport_t aport;
if (portp == NULL)
return -ENODEV;
- if (portp->port.tty == NULL)
- return -ENODEV;
if (portp->brdnr >= stli_nrbrds)
return -ENODEV;
brdp = stli_brds[portp->brdnr];
if (brdp == NULL)
return -ENODEV;
- stli_mkasyport(portp, &aport, portp->port.tty->termios);
+ stli_mkasyport(tty, portp, &aport, tty->termios);
return(stli_cmdwait(brdp, portp, A_SETPORT, &aport, sizeof(asyport_t), 0));
}
* maybe because if we are clocal then we don't need to wait...
*/
-static int stli_waitcarrier(struct stlibrd *brdp, struct stliport *portp, struct file *filp)
+static int stli_waitcarrier(struct tty_struct *tty, struct stlibrd *brdp,
+ struct stliport *portp, struct file *filp)
{
unsigned long flags;
int rc, doclocal;
rc = 0;
doclocal = 0;
- if (portp->port.tty->termios->c_cflag & CLOCAL)
+ if (tty->termios->c_cflag & CLOCAL)
doclocal++;
spin_lock_irqsave(&stli_lock, flags);
portp->openwaitcnt++;
if (! tty_hung_up_p(filp))
- portp->refcount--;
+ portp->port.count--;
spin_unlock_irqrestore(&stli_lock, flags);
for (;;) {
spin_lock_irqsave(&stli_lock, flags);
if (! tty_hung_up_p(filp))
- portp->refcount++;
+ portp->port.count++;
portp->openwaitcnt--;
spin_unlock_irqrestore(&stli_lock, flags);
* first them do the new ports.
*/
-static void stli_putchar(struct tty_struct *tty, unsigned char ch)
+static int stli_putchar(struct tty_struct *tty, unsigned char ch)
{
if (tty != stli_txcooktty) {
if (stli_txcooktty != NULL)
}
stli_txcookbuf[stli_txcooksize++] = ch;
+ return 0;
}
/*****************************************************************************/
stli_txcookrealsize = 0;
stli_txcooktty = NULL;
- if (tty == NULL)
- return;
if (cooktty == NULL)
return;
if (tty != cooktty)
* just quietly ignore any requests to change irq, etc.
*/
-static int stli_setserial(struct stliport *portp, struct serial_struct __user *sp)
+static int stli_setserial(struct tty_struct *tty, struct serial_struct __user *sp)
{
struct serial_struct sio;
int rc;
+ struct stliport *portp = tty->driver_data;
if (copy_from_user(&sio, sp, sizeof(struct serial_struct)))
return -EFAULT;
portp->closing_wait = sio.closing_wait;
portp->custom_divisor = sio.custom_divisor;
- if ((rc = stli_setport(portp)) < 0)
+ if ((rc = stli_setport(tty)) < 0)
return rc;
return 0;
}
{
struct stliport *portp;
struct stlibrd *brdp;
- unsigned int ival;
int rc;
void __user *argp = (void __user *)arg;
rc = stli_getserial(portp, argp);
break;
case TIOCSSERIAL:
- rc = stli_setserial(portp, argp);
+ rc = stli_setserial(tty, argp);
break;
case STL_GETPFLAG:
rc = put_user(portp->pflag, (unsigned __user *)argp);
break;
case STL_SETPFLAG:
if ((rc = get_user(portp->pflag, (unsigned __user *)argp)) == 0)
- stli_setport(portp);
+ stli_setport(tty);
break;
case COM_GETPORTSTATS:
- rc = stli_getportstats(portp, argp);
+ rc = stli_getportstats(tty, portp, argp);
break;
case COM_CLRPORTSTATS:
rc = stli_clrportstats(portp, argp);
struct ktermios *tiosp;
asyport_t aport;
- if (tty == NULL)
- return;
portp = tty->driver_data;
if (portp == NULL)
return;
tiosp = tty->termios;
- stli_mkasyport(portp, &aport, tiosp);
+ stli_mkasyport(tty, portp, &aport, tiosp);
stli_cmdwait(brdp, portp, A_SETPORT, &aport, sizeof(asyport_t), 0);
stli_mkasysigs(&portp->asig, ((tiosp->c_cflag & CBAUD) ? 1 : 0), -1);
stli_cmdwait(brdp, portp, A_SETSIGNALS, &portp->asig,
clear_bit(ST_TXBUSY, &portp->state);
clear_bit(ST_RXSTOP, &portp->state);
set_bit(TTY_IO_ERROR, &tty->flags);
- portp->port.tty = NULL;
+ tty_port_tty_set(&portp->port, NULL);
portp->port.flags &= ~ASYNC_NORMAL_ACTIVE;
- portp->refcount = 0;
+ portp->port.count = 0;
spin_unlock_irqrestore(&stli_lock, flags);
wake_up_interruptible(&portp->port.open_wait);
/*****************************************************************************/
-static void stli_breakctl(struct tty_struct *tty, int state)
+static int stli_breakctl(struct tty_struct *tty, int state)
{
struct stlibrd *brdp;
struct stliport *portp;
portp = tty->driver_data;
if (portp == NULL)
- return;
+ return -EINVAL;
if (portp->brdnr >= stli_nrbrds)
- return;
+ return -EINVAL;
brdp = stli_brds[portp->brdnr];
if (brdp == NULL)
- return;
+ return -EINVAL;
arg = (state == -1) ? BREAKON : BREAKOFF;
stli_cmdwait(brdp, portp, A_BREAK, &arg, sizeof(long), 0);
+ return 0;
}
/*****************************************************************************/
struct stliport *portp;
unsigned long tend;
- if (tty == NULL)
- return;
portp = tty->driver_data;
if (portp == NULL)
return;
char *sp, *uart;
int rc, cnt;
- rc = stli_portcmdstats(portp);
+ rc = stli_portcmdstats(NULL, portp);
uart = "UNKNOWN";
if (brdp->state & BST_STARTED) {
if (test_bit(ST_RXSTOP, &portp->state))
return;
- tty = portp->port.tty;
+ tty = tty_port_tty_get(&portp->port);
if (tty == NULL)
return;
set_bit(ST_RXING, &portp->state);
tty_schedule_flip(tty);
+ tty_kref_put(tty);
}
/*****************************************************************************/
if (ap->notify) {
nt = ap->changed;
ap->notify = 0;
- tty = portp->port.tty;
+ tty = tty_port_tty_get(&portp->port);
if (nt.signal & SG_DCD) {
oldsigs = portp->sigs;
tty_schedule_flip(tty);
}
}
+ tty_kref_put(tty);
if (nt.data & DT_RXBUSY) {
donerx++;
* the slave.
*/
-static void stli_mkasyport(struct stliport *portp, asyport_t *pp, struct ktermios *tiosp)
+static void stli_mkasyport(struct tty_struct *tty, struct stliport *portp,
+ asyport_t *pp, struct ktermios *tiosp)
{
memset(pp, 0, sizeof(asyport_t));
/*
* Start of by setting the baud, char size, parity and stop bit info.
*/
- pp->baudout = tty_get_baud_rate(portp->port.tty);
+ pp->baudout = tty_get_baud_rate(tty);
if ((tiosp->c_cflag & CBAUD) == B38400) {
if ((portp->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
pp->baudout = 57600;
printk("STALLION: failed to allocate port structure\n");
continue;
}
-
+ tty_port_init(&portp->port);
portp->magic = STLI_PORTMAGIC;
portp->portnr = i;
portp->brdnr = brdp->brdnr;
* what port to get stats for (used through board control device).
*/
-static int stli_portcmdstats(struct stliport *portp)
+static int stli_portcmdstats(struct tty_struct *tty, struct stliport *portp)
{
unsigned long flags;
struct stlibrd *brdp;
stli_comstats.panel = portp->panelnr;
stli_comstats.port = portp->portnr;
stli_comstats.state = portp->state;
- stli_comstats.flags = portp->port.flag;
+ stli_comstats.flags = portp->port.flags;
spin_lock_irqsave(&brd_lock, flags);
- if (portp->port.tty != NULL) {
- if (portp->port.tty->driver_data == portp) {
- stli_comstats.ttystate = portp->port.tty->flags;
+ if (tty != NULL) {
+ if (portp->port.tty == tty) {
+ stli_comstats.ttystate = tty->flags;
stli_comstats.rxbuffered = -1;
- if (portp->port.tty->termios != NULL) {
- stli_comstats.cflags = portp->port.tty->termios->c_cflag;
- stli_comstats.iflags = portp->port.tty->termios->c_iflag;
- stli_comstats.oflags = portp->port.tty->termios->c_oflag;
- stli_comstats.lflags = portp->port.tty->termios->c_lflag;
+ if (tty->termios != NULL) {
+ stli_comstats.cflags = tty->termios->c_cflag;
+ stli_comstats.iflags = tty->termios->c_iflag;
+ stli_comstats.oflags = tty->termios->c_oflag;
+ stli_comstats.lflags = tty->termios->c_lflag;
}
}
}
* what port to get stats for (used through board control device).
*/
-static int stli_getportstats(struct stliport *portp, comstats_t __user *cp)
+static int stli_getportstats(struct tty_struct *tty, struct stliport *portp,
+ comstats_t __user *cp)
{
struct stlibrd *brdp;
int rc;
if (!brdp)
return -ENODEV;
- if ((rc = stli_portcmdstats(portp)) < 0)
+ if ((rc = stli_portcmdstats(tty, portp)) < 0)
return rc;
return copy_to_user(cp, &stli_comstats, sizeof(comstats_t)) ?
switch (cmd) {
case COM_GETPORTSTATS:
- rc = stli_getportstats(NULL, argp);
+ rc = stli_getportstats(NULL, NULL, argp);
done++;
break;
case COM_CLRPORTSTATS:
istallion_class = class_create(THIS_MODULE, "staliomem");
for (i = 0; i < 4; i++)
- device_create(istallion_class, NULL, MKDEV(STL_SIOMEMMAJOR, i),
- "staliomem%d", i);
+ device_create_drvdata(istallion_class, NULL,
+ MKDEV(STL_SIOMEMMAJOR, i),
+ NULL, "staliomem%d", i);
return 0;
err_deinit:
projects / linux-2.6-omap-h63xx.git / blobdiff