+#warning This driver is deprecated. Check Kconfig for details.
/*
* mcfserial.c -- serial driver for ColdFire internal UARTS.
*
static inline void receive_chars(struct mcf_serial *info)
{
volatile unsigned char *uartp;
- struct tty_struct *tty = info->tty;
+ struct tty_struct *tty = info->port.tty;
unsigned char status, ch, flag;
if (!tty)
info->stats.tx++;
}
- if ((info->xmit_cnt <= 0) || info->tty->stopped) {
+ if ((info->xmit_cnt <= 0) || info->port.tty->stopped) {
info->imr &= ~MCFUART_UIR_TXREADY;
uartp[MCFUART_UIMR] = info->imr;
return;
static void mcfrs_offintr(struct work_struct *work)
{
struct mcf_serial *info = container_of(work, struct mcf_serial, tqueue);
- struct tty_struct *tty = info->tty;
+ struct tty_struct *tty = info->port.tty;
if (tty)
tty_wakeup(tty);
static void do_serial_hangup(struct work_struct *work)
{
struct mcf_serial *info = container_of(work, struct mcf_serial, tqueue_hangup);
- struct tty_struct *tty = info->tty;
+ struct tty_struct *tty = info->port.tty;
if (tty)
tty_hangup(tty);
uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETTX; /* reset TX */
mcfrs_setsignals(info, 1, 1);
- if (info->tty)
- clear_bit(TTY_IO_ERROR, &info->tty->flags);
+ if (info->port.tty)
+ clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
/*
uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETRX; /* reset RX */
uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETTX; /* reset TX */
- if (!info->tty || (info->tty->termios->c_cflag & HUPCL))
+ if (!info->port.tty || (info->port.tty->termios->c_cflag & HUPCL))
mcfrs_setsignals(info, 0, 0);
if (info->xmit_buf) {
info->xmit_buf = 0;
}
- if (info->tty)
- set_bit(TTY_IO_ERROR, &info->tty->flags);
+ if (info->port.tty)
+ set_bit(TTY_IO_ERROR, &info->port.tty->flags);
info->flags &= ~ASYNC_INITIALIZED;
local_irq_restore(flags);
unsigned int fraction;
#endif
- if (!info->tty || !info->tty->termios)
+ if (!info->port.tty || !info->port.tty->termios)
return;
- cflag = info->tty->termios->c_cflag;
+ cflag = info->port.tty->termios->c_cflag;
if (info->addr == 0)
return;
if (i & CBAUDEX) {
i &= ~CBAUDEX;
if (i < 1 || i > 4)
- info->tty->termios->c_cflag &= ~CBAUDEX;
+ info->port.tty->termios->c_cflag &= ~CBAUDEX;
else
i += 15;
}
tty_wait_until_sent(tty, 0);
send_break(info, arg ? arg*(HZ/10) : HZ/4);
return 0;
- case TIOCGSOFTCAR:
- error = put_user(C_CLOCAL(tty) ? 1 : 0,
- (unsigned long *) arg);
- if (error)
- return error;
- return 0;
- case TIOCSSOFTCAR:
- get_user(arg, (unsigned long *) arg);
- tty->termios->c_cflag =
- ((tty->termios->c_cflag & ~CLOCAL) |
- (arg ? CLOCAL : 0));
- return 0;
case TIOCGSERIAL:
if (access_ok(VERIFY_WRITE, (void *) arg,
sizeof(struct serial_struct)))
} else
#endif
shutdown(info);
- if (tty->driver->flush_buffer)
- tty->driver->flush_buffer(tty);
+ mcfrs_flush_buffer(tty);
tty_ldisc_flush(tty);
tty->closing = 0;
info->event = 0;
- info->tty = 0;
+ info->port.tty = NULL;
#if 0
if (tty->ldisc.num != ldiscs[N_TTY].num) {
if (tty->ldisc.close)
* Note: we have to use pretty tight timings here to satisfy
* the NIST-PCTS.
*/
+ lock_kernel();
+
fifo_time = (MCF5272_FIFO_SIZE * HZ * 10) / info->baud;
char_time = fifo_time / 5;
if (char_time == 0)
if (timeout && time_after(jiffies, orig_jiffies + timeout))
break;
}
+ unlock_kernel();
#else
/*
* For the other coldfire models, assume all data has been sent
info->event = 0;
info->count = 0;
info->flags &= ~ASYNC_NORMAL_ACTIVE;
- info->tty = 0;
+ info->port.tty = NULL;
wake_up_interruptible(&info->open_wait);
}
#endif
info->count++;
tty->driver_data = info;
- info->tty = tty;
+ info->port.tty = tty;
/*
* Start up serial port
for (i = 0, info = mcfrs_table; (i < NR_PORTS); i++, info++) {
info->magic = SERIAL_MAGIC;
info->line = i;
- info->tty = 0;
+ info->port.tty = NULL;
info->custom_divisor = 16;
info->close_delay = 50;
info->closing_wait = 3000;
* This is used for console output.
*/
-void mcfrs_put_char(char ch)
+int mcfrs_put_char(char ch)
{
volatile unsigned char *uartp;
unsigned long flags;
mcfrs_init_console(); /* try and get it back */
local_irq_restore(flags);
- return;
+ return 1;
}