/* Write old LCR value back out, which turns enhanced access off */
writeb(lcrb, &ch->ch_cls_uart->lcr);
- /* Enable interrupts for CTS flow, turn off interrupts for received XOFF chars */
+ /*
+ * Enable interrupts for CTS flow, turn off interrupts for
+ * received XOFF chars
+ */
ier |= (UART_EXAR654_IER_CTSDSR);
ier &= ~(UART_EXAR654_IER_XOFF);
writeb(ier, &ch->ch_cls_uart->ier);
/* Write old LCR value back out, which turns enhanced access off */
writeb(lcrb, &ch->ch_cls_uart->lcr);
- /* Disable interrupts for CTS flow, turn on interrupts for received XOFF chars */
+ /*
+ * Disable interrupts for CTS flow, turn on interrupts for
+ * received XOFF chars
+ */
ier &= ~(UART_EXAR654_IER_CTSDSR);
ier |= (UART_EXAR654_IER_XOFF);
writeb(ier, &ch->ch_cls_uart->ier);
/* Write old LCR value back out, which turns enhanced access off */
writeb(lcrb, &ch->ch_cls_uart->lcr);
- /* Disable interrupts for CTS flow, turn off interrupts for received XOFF chars */
+ /*
+ * Disable interrupts for CTS flow, turn off interrupts for
+ * received XOFF chars
+ */
ier &= ~(UART_EXAR654_IER_CTSDSR);
ier &= ~(UART_EXAR654_IER_XOFF);
writeb(ier, &ch->ch_cls_uart->ier);
&ch->ch_cls_uart->isr_fcr);
ch->ch_r_watermark = 0;
- ch->ch_t_tlevel = 16;
- ch->ch_r_tlevel = 16;
+ ch->ch_t_tlevel = 16;
+ ch->ch_r_tlevel = 16;
}
UART_16654_FCR_TXTRIGGER_16 | UART_FCR_CLEAR_RCVR),
&ch->ch_cls_uart->isr_fcr);
- ch->ch_t_tlevel = 16;
- ch->ch_r_tlevel = 16;
+ ch->ch_t_tlevel = 16;
+ ch->ch_r_tlevel = 16;
}
if (ch->ch_flags & CH_BREAK_SENDING) {
if ((jiffies >= ch->ch_stop_sending_break) || force) {
uchar temp = readb(&ch->ch_cls_uart->lcr);
- writeb((temp & ~UART_LCR_SBC), &ch->ch_cls_uart->lcr);
+ writeb((temp & ~UART_LCR_SBC), &ch->ch_cls_uart->lcr);
ch->ch_flags &= ~(CH_BREAK_SENDING);
ch->ch_stop_sending_break = 0;
- DPR_IOCTL(("Finishing UART_LCR_SBC! finished: %lx\n", jiffies));
+ DPR_IOCTL(("Finishing UART_LCR_SBC! finished: %lx\n",
+ jiffies));
}
}
DGNC_UNLOCK(ch->ch_lock, lock_flags);
if (isr & UART_IIR_NO_INT)
break;
- DPR_INTR(("%s:%d port: %x isr: %x\n", __FILE__, __LINE__, port, isr));
+ DPR_INTR(("%s:%d port: %x isr: %x\n", __FILE__, __LINE__,
+ port, isr));
/* Receive Interrupt pending */
if (isr & (UART_IIR_RDI | UART_IIR_RDI_TIMEOUT)) {
uchar uart_lcr = 0;
uchar ier = 0;
uchar uart_ier = 0;
- uint baud = 9600;
+ uint baud = 9600;
int quot = 0;
- struct dgnc_board *bd;
+ struct dgnc_board *bd;
struct channel_t *ch;
- struct un_t *un;
+ struct un_t *un;
if (!tty || tty->magic != TTY_MAGIC)
return;
return;
DPR_PARAM(("param start: tdev: %x cflags: %x oflags: %x iflags: %x\n",
- ch->ch_tun.un_dev, ch->ch_c_cflag, ch->ch_c_oflag, ch->ch_c_iflag));
+ ch->ch_tun.un_dev, ch->ch_c_cflag, ch->ch_c_oflag,
+ ch->ch_c_iflag));
/*
* If baud rate is zero, flush queues, and set mval to drop DTR.
ch->ch_w_head = ch->ch_w_tail = 0;
cls_flush_uart_write(ch);
- cls_flush_uart_read(ch);
+ cls_flush_uart_read(ch);
/* The baudrate is B0 so all modem lines are to be dropped. */
ch->ch_flags |= (CH_BAUD0);
4800, 9600, 19200, 38400 }
};
- /* Only use the TXPrint baud rate if the terminal unit is NOT open */
- if (!(ch->ch_tun.un_flags & UN_ISOPEN) && (un->un_type == DGNC_PRINT))
+ /*
+ * Only use the TXPrint baud rate if the terminal
+ * unit is NOT open
+ */
+ if (!(ch->ch_tun.un_flags & UN_ISOPEN) &&
+ (un->un_type == DGNC_PRINT))
baud = C_BAUD(ch->ch_pun.un_tty) & 0xff;
else
baud = C_BAUD(ch->ch_tun.un_tty) & 0xff;
jindex = baud;
- if ((iindex >= 0) && (iindex < 4) && (jindex >= 0) && (jindex < 16)) {
+ if ((iindex >= 0) && (iindex < 4) && (jindex >= 0) &&
+ (jindex < 16)) {
baud = bauds[iindex][jindex];
} else {
DPR_IOCTL(("baud indices were out of range (%d)(%d)",
}
}
- if (ch->ch_c_cflag & PARENB) {
+ if (ch->ch_c_cflag & PARENB)
lcr |= UART_LCR_PARITY;
- }
- if (!(ch->ch_c_cflag & PARODD)) {
+ if (!(ch->ch_c_cflag & PARODD))
lcr |= UART_LCR_EPAR;
- }
/*
* Not all platforms support mark/space parity,
writeb((quot & 0xff), &ch->ch_cls_uart->txrx);
writeb((quot >> 8), &ch->ch_cls_uart->ier);
writeb(lcr, &ch->ch_cls_uart->lcr);
- }
+ }
if (uart_lcr != lcr)
writeb(lcr, &ch->ch_cls_uart->lcr);
- if (ch->ch_c_cflag & CREAD) {
+ if (ch->ch_c_cflag & CREAD)
ier |= (UART_IER_RDI | UART_IER_RLSI);
- }
- else {
+ else
ier &= ~(UART_IER_RDI | UART_IER_RLSI);
- }
/*
* Have the UART interrupt on modem signal changes ONLY when
* we are in hardware flow control mode, or CLOCAL/FORCEDCD is not set.
*/
- if ((ch->ch_digi.digi_flags & CTSPACE) || (ch->ch_digi.digi_flags & RTSPACE) ||
- (ch->ch_c_cflag & CRTSCTS) || !(ch->ch_digi.digi_flags & DIGI_FORCEDCD) ||
+ if ((ch->ch_digi.digi_flags & CTSPACE) ||
+ (ch->ch_digi.digi_flags & RTSPACE) ||
+ (ch->ch_c_cflag & CRTSCTS) ||
+ !(ch->ch_digi.digi_flags & DIGI_FORCEDCD) ||
!(ch->ch_c_cflag & CLOCAL))
- {
- ier |= UART_IER_MSI;
- }
- else {
- ier &= ~UART_IER_MSI;
- }
+ ier |= UART_IER_MSI;
+ else
+ ier &= ~UART_IER_MSI;
ier |= UART_IER_THRI;
if (ch->ch_digi.digi_flags & CTSPACE || ch->ch_c_cflag & CRTSCTS) {
cls_set_cts_flow_control(ch);
- }
- else if (ch->ch_c_iflag & IXON) {
- /* If start/stop is set to disable, then we should disable flow control */
- if ((ch->ch_startc == _POSIX_VDISABLE) || (ch->ch_stopc == _POSIX_VDISABLE))
+ } else if (ch->ch_c_iflag & IXON) {
+ /*
+ * If start/stop is set to disable, then we should
+ * disable flow control
+ */
+ if ((ch->ch_startc == _POSIX_VDISABLE) ||
+ (ch->ch_stopc == _POSIX_VDISABLE))
cls_set_no_output_flow_control(ch);
else
cls_set_ixon_flow_control(ch);
- }
- else {
+ } else {
cls_set_no_output_flow_control(ch);
}
if (ch->ch_digi.digi_flags & RTSPACE || ch->ch_c_cflag & CRTSCTS) {
cls_set_rts_flow_control(ch);
- }
- else if (ch->ch_c_iflag & IXOFF) {
- /* If start/stop is set to disable, then we should disable flow control */
- if ((ch->ch_startc == _POSIX_VDISABLE) || (ch->ch_stopc == _POSIX_VDISABLE))
+ } else if (ch->ch_c_iflag & IXOFF) {
+ /*
+ * If start/stop is set to disable, then we should disable
+ * flow control
+ */
+ if ((ch->ch_startc == _POSIX_VDISABLE) ||
+ (ch->ch_stopc == _POSIX_VDISABLE))
cls_set_no_input_flow_control(ch);
else
cls_set_ixoff_flow_control(ch);
- }
- else {
+ } else {
cls_set_no_input_flow_control(ch);
}
*/
static void cls_tasklet(unsigned long data)
{
- struct dgnc_board *bd = (struct dgnc_board *) data;
+ struct dgnc_board *bd = (struct dgnc_board *) data;
struct channel_t *ch;
ulong lock_flags;
int i;
unsigned long lock_flags;
if (!brd) {
- APR(("Received interrupt (%d) with null board associated\n", irq));
+ APR(("Received interrupt (%d) with null board associated\n",
+ irq));
return IRQ_NONE;
}
* Check to make sure its for us.
*/
if (brd->magic != DGNC_BOARD_MAGIC) {
- APR(("Received interrupt (%d) with a board pointer that wasn't ours!\n", irq));
+ APR((
+ "Received interrupt (%d) with a board pointer "
+ "that wasn't ours!\n", irq));
return IRQ_NONE;
}
/* If 0, no interrupts pending */
if (!poll_reg) {
- DPR_INTR(("Kernel interrupted to me, but no pending interrupts...\n"));
+ DPR_INTR((
+ "Kernel interrupted to me, but no pending "
+ "interrupts...\n"));
DGNC_UNLOCK(brd->bd_intr_lock, lock_flags);
return IRQ_NONE;
}
DPR_INTR(("%s:%d poll_reg: %x\n", __FILE__, __LINE__, poll_reg));
/* Parse each port to find out what caused the interrupt */
- for (i = 0; i < brd->nasync; i++) {
+ for (i = 0; i < brd->nasync; i++)
cls_parse_isr(brd, i);
- }
/*
* Schedule tasklet to more in-depth servicing at a better time.
static void cls_copy_data_from_uart_to_queue(struct channel_t *ch)
{
- int qleft = 0;
- uchar linestatus = 0;
+ int qleft = 0;
+ uchar linestatus = 0;
uchar error_mask = 0;
ushort head;
ushort tail;
tail = ch->ch_r_tail;
/* Store how much space we have left in the queue */
- if ((qleft = tail - head - 1) < 0)
+ qleft = (tail - head - 1);
+ if (qleft < 0)
qleft += RQUEUEMASK + 1;
/*
}
/*
- * If our queue is full, we have no choice but to drop some data.
- * The assumption is that HWFLOW or SWFLOW should have stopped
- * things way way before we got to this point.
+ * If our queue is full, we have no choice but to drop some
+ * data. The assumption is that HWFLOW or SWFLOW should have
+ * stopped things way way before we got to this point.
*
* I decided that I wanted to ditch the oldest data first,
* I hope thats okay with everyone? Yes? Good.
qleft++;
}
- ch->ch_equeue[head] = linestatus & (UART_LSR_BI | UART_LSR_PE | UART_LSR_FE);
+ ch->ch_equeue[head] = linestatus & (UART_LSR_BI | UART_LSR_PE
+ | UART_LSR_FE);
ch->ch_rqueue[head] = readb(&ch->ch_cls_uart->txrx);
- dgnc_sniff_nowait_nolock(ch, "UART READ", ch->ch_rqueue + head, 1);
+ dgnc_sniff_nowait_nolock(ch, "UART READ",
+ ch->ch_rqueue + head, 1);
qleft--;
- DPR_READ(("DATA/LSR pair: %x %x\n", ch->ch_rqueue[head], ch->ch_equeue[head]));
+ DPR_READ(("DATA/LSR pair: %x %x\n", ch->ch_rqueue[head],
+ ch->ch_equeue[head]));
if (ch->ch_equeue[head] & UART_LSR_PE)
ch->ch_err_parity++;
{
ulong lock_flags;
struct channel_t *ch;
- struct un_t *un;
+ struct un_t *un;
int rc = 0;
- if (!tty || tty->magic != TTY_MAGIC) {
+ if (!tty || tty->magic != TTY_MAGIC)
return -ENXIO;
- }
un = (struct un_t *) tty->driver_data;
- if (!un || un->magic != DGNC_UNIT_MAGIC) {
+ if (!un || un->magic != DGNC_UNIT_MAGIC)
return -ENXIO;
- }
ch = un->un_ch;
- if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) {
+ if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)
return -ENXIO;
- }
DGNC_LOCK(ch->ch_lock, lock_flags);
un->un_flags |= UN_EMPTY;
/*
* NOTE: Do something with time passed in.
*/
- rc = wait_event_interruptible(un->un_flags_wait, ((un->un_flags & UN_EMPTY) == 0));
+ rc = wait_event_interruptible(un->un_flags_wait,
+ ((un->un_flags & UN_EMPTY) == 0));
/* If ret is non-zero, user ctrl-c'ed us */
if (rc)
DPR_IOCTL(("%d Drain - User ctrl c'ed\n", __LINE__));
- return rc;
+ return rc;
}
/* Channel lock MUST be held before calling this function! */
static void cls_flush_uart_write(struct channel_t *ch)
{
- if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) {
+ if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)
return;
- }
- writeb((UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_XMIT), &ch->ch_cls_uart->isr_fcr);
+ writeb((UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_XMIT),
+ &ch->ch_cls_uart->isr_fcr);
udelay(10);
ch->ch_flags |= (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM);
/* Channel lock MUST be held before calling this function! */
static void cls_flush_uart_read(struct channel_t *ch)
{
- if (!ch || ch->magic != DGNC_CHANNEL_MAGIC) {
+ if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)
return;
- }
/*
* For complete POSIX compatibility, we should be purging the
* So for now, we will leave the code #ifdef'ed out...
*/
#if 0
- writeb((UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_RCVR), &ch->ch_cls_uart->isr_fcr);
+ writeb((UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_RCVR),
+ &ch->ch_cls_uart->isr_fcr);
#endif
udelay(10);
}
}
/* If port is "stopped", don't send any data to the UART */
- if ((ch->ch_flags & CH_FORCED_STOP) || (ch->ch_flags & CH_BREAK_SENDING)) {
+ if ((ch->ch_flags & CH_FORCED_STOP) ||
+ (ch->ch_flags & CH_BREAK_SENDING)) {
DGNC_UNLOCK(ch->ch_lock, lock_flags);
return;
}
n = 32;
- /* cache head and tail of queue */
- head = ch->ch_w_head & WQUEUEMASK;
- tail = ch->ch_w_tail & WQUEUEMASK;
- qlen = (head - tail) & WQUEUEMASK;
+ /* cache head and tail of queue */
+ head = ch->ch_w_head & WQUEUEMASK;
+ tail = ch->ch_w_tail & WQUEUEMASK;
+ qlen = (head - tail) & WQUEUEMASK;
/* Find minimum of the FIFO space, versus queue length */
n = min(n, qlen);
/*
* If RTS Toggle mode is on, turn on RTS now if not already set,
- * and make sure we get an event when the data transfer has completed.
+ * and make sure we get an event when the data transfer has
+ * completed.
*/
if (ch->ch_digi.digi_flags & DIGI_RTS_TOGGLE) {
if (!(ch->ch_mostat & UART_MCR_RTS)) {
/*
* If DTR Toggle mode is on, turn on DTR now if not already set,
- * and make sure we get an event when the data transfer has completed.
+ * and make sure we get an event when the data transfer has
+ * completed.
*/
if (ch->ch_digi.digi_flags & DIGI_DTR_TOGGLE) {
if (!(ch->ch_mostat & UART_MCR_DTR)) {
ch->ch_tun.un_flags |= (UN_EMPTY);
}
writeb(ch->ch_wqueue[ch->ch_w_tail], &ch->ch_cls_uart->txrx);
- dgnc_sniff_nowait_nolock(ch, "UART WRITE", ch->ch_wqueue + ch->ch_w_tail, 1);
+ dgnc_sniff_nowait_nolock(ch, "UART WRITE",
+ ch->ch_wqueue + ch->ch_w_tail, 1);
DPR_WRITE(("Tx data: %x\n", ch->ch_wqueue[ch->ch_w_tail]));
ch->ch_w_tail++;
ch->ch_w_tail &= WQUEUEMASK;
if (!ch || ch->magic != DGNC_CHANNEL_MAGIC)
return;
- DPR_MSIGS(("cls_parse_modem: port: %d signals: %d\n", ch->ch_portnum, msignals));
+ DPR_MSIGS(("cls_parse_modem: port: %d signals: %d\n",
+ ch->ch_portnum, msignals));
/*
* Do altpin switching. Altpin switches DCD and DSR.
}
}
- /* Scrub off lower bits. They signify delta's, which I don't care about */
+ /*
+ * Scrub off lower bits. They signify delta's, which I don't
+ * care about
+ */
signals &= 0xf0;
if (msignals & UART_MSR_DCD)
ch->ch_mistat &= ~UART_MSR_CTS;
- DPR_MSIGS(("Port: %d DTR: %d RTS: %d CTS: %d DSR: %d " "RI: %d CD: %d\n",
+ DPR_MSIGS((
+ "Port: %d DTR: %d RTS: %d CTS: %d DSR: %d " "RI: %d CD: %d\n",
ch->ch_portnum,
!!((ch->ch_mistat | ch->ch_mostat) & UART_MCR_DTR),
!!((ch->ch_mistat | ch->ch_mostat) & UART_MCR_RTS),
if (ch->ch_flags & CH_LOOPBACK)
out |= UART_MCR_LOOP;
- writeb(out, &ch->ch_cls_uart->mcr);
+ writeb(out, &ch->ch_cls_uart->mcr);
/* Give time for the UART to actually drop the signals */
udelay(10);
if (ch->ch_startc != _POSIX_VDISABLE) {
ch->ch_xon_sends++;
writeb(ch->ch_startc, &ch->ch_cls_uart->txrx);
- }
+ }
}
if (ch->ch_stopc != _POSIX_VDISABLE) {
ch->ch_xoff_sends++;
writeb(ch->ch_stopc, &ch->ch_cls_uart->txrx);
- }
+ }
}
/* Write old LCR value back out, which turns enhanced access off */
writeb(lcrb, &ch->ch_cls_uart->lcr);
- /* Clear out UART and FIFO */
+ /* Clear out UART and FIFO */
readb(&ch->ch_cls_uart->txrx);
- writeb((UART_FCR_ENABLE_FIFO|UART_FCR_CLEAR_RCVR|UART_FCR_CLEAR_XMIT), &ch->ch_cls_uart->isr_fcr);
+ writeb((UART_FCR_ENABLE_FIFO|UART_FCR_CLEAR_RCVR|UART_FCR_CLEAR_XMIT),
+ &ch->ch_cls_uart->isr_fcr);
udelay(10);
ch->ch_flags |= (CH_FIFO_ENABLED | CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM);
if (ch->ch_flags & CH_TX_FIFO_EMPTY)
tasklet_schedule(&ch->ch_bd->helper_tasklet);
left = 1;
- }
- else {
+ } else {
ch->ch_flags |= (CH_TX_FIFO_EMPTY | CH_TX_FIFO_LWM);
left = 0;
}
writeb((temp & ~UART_LCR_SBC), &ch->ch_cls_uart->lcr);
ch->ch_flags &= ~(CH_BREAK_SENDING);
ch->ch_stop_sending_break = 0;
- DPR_IOCTL(("Finishing UART_LCR_SBC! finished: %lx\n", jiffies));
+ DPR_IOCTL(("Finishing UART_LCR_SBC! finished: %lx\n",
+ jiffies));
}
return;
- }
+ }
/*
* Set the time we should stop sending the break.
uchar temp = readb(&ch->ch_cls_uart->lcr);
writeb((temp | UART_LCR_SBC), &ch->ch_cls_uart->lcr);
ch->ch_flags |= (CH_BREAK_SENDING);
- DPR_IOCTL(("Port %d. Starting UART_LCR_SBC! start: %lx should end: %lx\n",
+ DPR_IOCTL((
+ "Port %d. Starting UART_LCR_SBC! start: %lx "
+ "should end: %lx\n",
ch->ch_portnum, jiffies, ch->ch_stop_sending_break));
}
}
static void cls_vpd(struct dgnc_board *brd)
{
- ulong vpdbase; /* Start of io base of the card */
- u8 __iomem *re_map_vpdbase;/* Remapped memory of the card */
+ ulong vpdbase; /* Start of io base of the card */
+ u8 __iomem *re_map_vpdbase;/* Remapped memory of the card */
int i = 0;
if (!re_map_vpdbase)
return;
- /* Store the VPD into our buffer */
- for (i = 0; i < 0x40; i++) {
+ /* Store the VPD into our buffer */
+ for (i = 0; i < 0x40; i++) {
brd->vpd[i] = readb(re_map_vpdbase + i);
- printk("%x ", brd->vpd[i]);
- }
- printk("\n");
+ pr_info("%x ", brd->vpd[i]);
+ }
+ pr_info("\n");
if (re_map_vpdbase)
iounmap(re_map_vpdbase);
projects / ~andy / linux / commitdiff