#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/version.h>
-#include <linux/init.h>
+#include <linux/init.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/spinlock.h>
extern void _puts(const char *);
typedef struct bcm_serial {
- volatile Uart * port;
- int type;
- int flags;
- int irq;
- int baud_base;
- int blocked_open;
- unsigned short close_delay;
- unsigned short closing_wait;
- unsigned short line; /* port/line number */
- unsigned short cflags; /* line configuration flag */
- unsigned short x_char; /* xon/xoff character */
- unsigned short read_status_mask; /* mask for read condition */
- unsigned short ignore_status_mask; /* mask for ignore condition */
- unsigned long event; /* mask used in BH */
- int xmit_head; /* Position of the head */
- int xmit_tail; /* Position of the tail */
- int xmit_cnt; /* Count of the chars in the buffer */
- int count; /* indicates how many times it has been opened */
- int magic;
-
- struct async_icount icount; /* keep track of things ... */
- struct tty_struct *tty; /* tty associated */
- struct termios normal_termios;
-
- wait_queue_head_t open_wait;
- wait_queue_head_t close_wait;
-
- long session; /* Session of opening process */
- long pgrp; /* pgrp of opening process */
-
- unsigned char is_initialized;
+ volatile Uart *port;
+ int type;
+ int flags;
+ int irq;
+ int baud_base;
+ int blocked_open;
+ unsigned short close_delay;
+ unsigned short closing_wait;
+ unsigned short line; /* port/line number */
+ unsigned short cflags; /* line configuration flag */
+ unsigned short x_char; /* xon/xoff character */
+ unsigned short read_status_mask; /* mask for read condition */
+ unsigned short ignore_status_mask; /* mask for ignore condition */
+ unsigned long event; /* mask used in BH */
+ int xmit_head; /* Position of the head */
+ int xmit_tail; /* Position of the tail */
+ int xmit_cnt; /* Count of the chars in the buffer */
+ int count; /* indicates how many times it has been opened */
+ int magic;
+
+ struct async_icount icount; /* keep track of things ... */
+ struct tty_struct *tty; /* tty associated */
+ struct ktermios normal_termios;
+
+ wait_queue_head_t open_wait;
+ wait_queue_head_t close_wait;
+
+ long session; /* Session of opening process */
+ long pgrp; /* pgrp of opening process */
+
+ unsigned char is_initialized;
} Context;
#define RXINT (RXFIFONE|RXOVFERR)
/* Enable transmit interrupt */
-#define TXINT (TXFIFOEMT|TXUNDERR|TXOVFERR)
+#define TXINT (TXFIFOEMT|TXUNDERR|TXOVFERR)
/* Enable receiver line status interrupt */
#define LSINT (RXBRK|RXPARERR|RXFRAMERR)
static struct bcm_serial multi[BCM_NUM_UARTS];
static struct bcm_serial *lines[BCM_NUM_UARTS];
static struct tty_driver *serial_driver;
-static struct termios *serial_termios[BCM_NUM_UARTS];
-static struct termios *serial_termios_locked[BCM_NUM_UARTS];
-
-
-static void bcm_stop (struct tty_struct *tty);
-static void bcm_start (struct tty_struct *tty);
-static inline void receive_chars (struct bcm_serial * info);
-static int startup (struct bcm_serial *info);
-static void shutdown (struct bcm_serial * info);
-static void change_speed( volatile Uart *pUart, tcflag_t cFlag );
-static void bcm63xx_cons_flush_chars (struct tty_struct *tty);
-static int bcm63xx_cons_write (struct tty_struct *tty,
- const unsigned char *buf, int count);
-static int bcm63xx_cons_write_room (struct tty_struct *tty);
-static int bcm_chars_in_buffer (struct tty_struct *tty);
-static void bcm_flush_buffer (struct tty_struct *tty);
-static void bcm_throttle (struct tty_struct *tty);
-static void bcm_unthrottle (struct tty_struct *tty);
-static void bcm_send_xchar (struct tty_struct *tty, char ch);
-static int get_serial_info(struct bcm_serial *info, struct serial_struct *retinfo);
-static int set_serial_info (struct bcm_serial *info, struct serial_struct *new_info);
-static int get_lsr_info (struct bcm_serial *info, unsigned int *value);
-static void send_break (struct bcm_serial *info, int duration);
-static int bcm_ioctl (struct tty_struct * tty, struct file * file,
- unsigned int cmd, unsigned long arg);
-static void bcm_set_termios (struct tty_struct *tty, struct termios *old_termios);
-static void bcm63xx_cons_close (struct tty_struct *tty, struct file *filp);
-static void bcm_hangup (struct tty_struct *tty);
-static int block_til_ready (struct tty_struct *tty, struct file *filp, struct bcm_serial *info);
-static int bcm63xx_cons_open (struct tty_struct * tty, struct file * filp);
+static struct ktermios *serial_termios[BCM_NUM_UARTS];
+static struct ktermios *serial_termios_locked[BCM_NUM_UARTS];
+
+
+static void bcm_stop(struct tty_struct *tty);
+static void bcm_start(struct tty_struct *tty);
+static inline void receive_chars(struct bcm_serial *info);
+static int startup(struct bcm_serial *info);
+static void shutdown(struct bcm_serial *info);
+static void change_speed(volatile Uart * pUart, tcflag_t cFlag);
+static void bcm63xx_cons_flush_chars(struct tty_struct *tty);
+static int bcm63xx_cons_write(struct tty_struct *tty,
+ const unsigned char *buf, int count);
+static int bcm63xx_cons_write_room(struct tty_struct *tty);
+static int bcm_chars_in_buffer(struct tty_struct *tty);
+static void bcm_flush_buffer(struct tty_struct *tty);
+static void bcm_throttle(struct tty_struct *tty);
+static void bcm_unthrottle(struct tty_struct *tty);
+static void bcm_send_xchar(struct tty_struct *tty, char ch);
+static int get_serial_info(struct bcm_serial *info,
+ struct serial_struct *retinfo);
+static int set_serial_info(struct bcm_serial *info,
+ struct serial_struct *new_info);
+static int get_lsr_info(struct bcm_serial *info, unsigned int *value);
+static void send_break(struct bcm_serial *info, int duration);
+static int bcm_ioctl(struct tty_struct *tty, struct file *file,
+ unsigned int cmd, unsigned long arg);
+static void bcm_set_termios(struct tty_struct *tty,
+ struct ktermios *old_termios);
+static void bcm63xx_cons_close(struct tty_struct *tty, struct file *filp);
+static void bcm_hangup(struct tty_struct *tty);
+static int block_til_ready(struct tty_struct *tty, struct file *filp,
+ struct bcm_serial *info);
+static int bcm63xx_cons_open(struct tty_struct *tty, struct file *filp);
static int __init bcm63xx_serialinit(void);
* as necessary.
* ------------------------------------------------------------
*/
-static void bcm_stop (struct tty_struct *tty)
+static void bcm_stop(struct tty_struct *tty)
{
-}
+}
-static void bcm_start (struct tty_struct *tty)
+static void bcm_start(struct tty_struct *tty)
{
- _puts(CARDNAME " Start\n");
-}
+ _puts(CARDNAME " Start\n");
+}
/*
* ------------------------------------------------------------
* This routine deals with inputs from any lines.
* ------------------------------------------------------------
*/
-static inline void receive_chars (struct bcm_serial * info)
+static inline void receive_chars(struct bcm_serial *info)
{
- struct tty_struct *tty = 0;
- struct async_icount * icount;
- int ignore = 0;
- unsigned short status, tmp;
- UCHAR ch = 0;
- while ((status = info->port->intStatus) & RXINT)
- {
+ struct tty_struct *tty = 0;
+ struct async_icount *icount;
+ int ignore = 0;
+ unsigned short status, tmp;
+ UCHAR ch = 0;
+ while ((status = info->port->intStatus) & RXINT) {
char flag_char = TTY_NORMAL;
- if (status & RXFIFONE)
- ch = info->port->Data; // Read the character
- tty = info->tty; /* now tty points to the proper dev */
- icount = &info->icount;
- if (! tty)
- break;
- if (!tty_buffer_request_room(tty, 1))
- break;
- icount->rx++;
- if (status & RXBRK)
- {
- flag_char = TTY_BREAK;
- icount->brk++;
- }
- // keep track of the statistics
- if (status & (RXFRAMERR | RXPARERR | RXOVFERR))
- {
- if (status & RXPARERR) /* parity error */
- icount->parity++;
- else
- if (status & RXFRAMERR) /* frame error */
- icount->frame++;
- if (status & RXOVFERR)
- {
- // Overflow. Reset the RX FIFO
- info->port->fifoctl |= RSTRXFIFOS;
- icount->overrun++;
- }
- // check to see if we should ignore the character
- // and mask off conditions that should be ignored
- if (status & info->ignore_status_mask)
- {
- if (++ignore > 100 )
- break;
- goto ignore_char;
- }
- // Mask off the error conditions we want to ignore
- tmp = status & info->read_status_mask;
- if (tmp & RXPARERR)
- {
- flag_char = TTY_PARITY;
- }
- else
- if (tmp & RXFRAMERR)
- {
- flag_char = TTY_FRAME;
- }
- if (tmp & RXOVFERR)
- {
- tty_insert_flip_char(tty, ch, flag_char);
- ch = 0;
- flag_char = TTY_OVERRUN;
+ if (status & RXFIFONE)
+ ch = info->port->Data; // Read the character
+ tty = info->tty; /* now tty points to the proper dev */
+ icount = &info->icount;
+ if (!tty)
+ break;
if (!tty_buffer_request_room(tty, 1))
- break;
- }
- }
- tty_insert_flip_char(tty, ch, flag_char);
- }
-ignore_char:;
+ break;
+ icount->rx++;
+ if (status & RXBRK) {
+ flag_char = TTY_BREAK;
+ icount->brk++;
+ }
+ // keep track of the statistics
+ if (status & (RXFRAMERR | RXPARERR | RXOVFERR)) {
+ if (status & RXPARERR) /* parity error */
+ icount->parity++;
+ else if (status & RXFRAMERR) /* frame error */
+ icount->frame++;
+ if (status & RXOVFERR) {
+ // Overflow. Reset the RX FIFO
+ info->port->fifoctl |= RSTRXFIFOS;
+ icount->overrun++;
+ }
+ // check to see if we should ignore the character
+ // and mask off conditions that should be ignored
+ if (status & info->ignore_status_mask) {
+ if (++ignore > 100)
+ break;
+ goto ignore_char;
+ }
+ // Mask off the error conditions we want to ignore
+ tmp = status & info->read_status_mask;
+ if (tmp & RXPARERR) {
+ flag_char = TTY_PARITY;
+ } else if (tmp & RXFRAMERR) {
+ flag_char = TTY_FRAME;
+ }
+ if (tmp & RXOVFERR) {
+ tty_insert_flip_char(tty, ch, flag_char);
+ ch = 0;
+ flag_char = TTY_OVERRUN;
+ if (!tty_buffer_request_room(tty, 1))
+ break;
+ }
+ }
+ tty_insert_flip_char(tty, ch, flag_char);
+ }
+ ignore_char:;
tty_flip_buffer_push(tty);
tty_schedule_flip(tty);
* ------------------------------------------------------------
*/
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-static irqreturn_t bcm_interrupt (int irq, void * dev)
+static irqreturn_t bcm_interrupt(int irq, void *dev)
#else
-static void bcm_interrupt (int irq, void * dev, struct pt_regs * regs)
+static void bcm_interrupt(int irq, void *dev, struct pt_regs *regs)
#endif
{
- struct bcm_serial * info = lines[0];
- UINT16 intStat;
-
- /* get pending interrupt flags from UART */
-
- /* Mask with only the serial interrupts that are enabled */
- intStat = info->port->intStatus & info->port->intMask;
- while (intStat)
- {
- if (intStat & RXINT)
- receive_chars (info);
- else
- if (intStat & TXINT)
- info->port->intStatus = TXINT;
- else /* don't know what it was, so let's mask it */
- info->port->intMask &= ~intStat;
-
- intStat = info->port->intStatus & info->port->intMask;
- }
-
- // Clear the interrupt
- BcmHalInterruptEnable (INTERRUPT_ID_UART);
+ struct bcm_serial *info = lines[0];
+ UINT16 intStat;
+
+ /* get pending interrupt flags from UART */
+
+ /* Mask with only the serial interrupts that are enabled */
+ intStat = info->port->intStatus & info->port->intMask;
+ while (intStat) {
+ if (intStat & RXINT)
+ receive_chars(info);
+ else if (intStat & TXINT)
+ info->port->intStatus = TXINT;
+ else /* don't know what it was, so let's mask it */
+ info->port->intMask &= ~intStat;
+
+ intStat = info->port->intStatus & info->port->intMask;
+ }
+
+ // Clear the interrupt
+ enable_brcm_irq(INTERRUPT_ID_UART);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
- return IRQ_HANDLED;
-#endif
+ return IRQ_HANDLED;
+#endif
}
/*
* various initialization tasks
* -------------------------------------------------------------------
*/
-static int startup (struct bcm_serial *info)
+static int startup(struct bcm_serial *info)
{
- // Port is already started...
- return 0;
+ // Port is already started...
+ return 0;
}
/*
* DTR is dropped if the hangup on close termio flag is on.
* -------------------------------------------------------------------
*/
-static void shutdown (struct bcm_serial * info)
+static void shutdown(struct bcm_serial *info)
{
- unsigned long flags;
- if (!info->is_initialized)
- return;
+ unsigned long flags;
+ if (!info->is_initialized)
+ return;
- spin_lock_irqsave(&bcm963xx_serial_lock, flags);
+ spin_lock_irqsave(&bcm963xx_serial_lock, flags);
- info->port->control &= ~(BRGEN|TXEN|RXEN);
- if (info->tty)
- set_bit (TTY_IO_ERROR, &info->tty->flags);
- info->is_initialized = 0;
+ info->port->control &= ~(BRGEN | TXEN | RXEN);
+ if (info->tty)
+ set_bit(TTY_IO_ERROR, &info->tty->flags);
+ info->is_initialized = 0;
- spin_unlock_irqrestore(&bcm963xx_serial_lock, flags);
+ spin_unlock_irqrestore(&bcm963xx_serial_lock, flags);
}
+
/*
* -------------------------------------------------------------------
* change_speed ()
* Set the baud rate, character size, parity and stop bits.
* -------------------------------------------------------------------
*/
-static void change_speed( volatile Uart *pUart, tcflag_t cFlag )
+static void change_speed(volatile Uart * pUart, tcflag_t cFlag)
{
- unsigned long ulFlags, ulBaud, ulClockFreqHz, ulTmp;
-
- spin_lock_irqsave(&bcm963xx_serial_lock, ulFlags);
- switch( cFlag & (CBAUD | CBAUDEX) )
- {
- case B115200:
- ulBaud = 115200;
- break;
- case B57600:
- ulBaud = 57600;
- break;
- case B38400:
- ulBaud = 38400;
- break;
- case B19200:
- ulBaud = 19200;
- break;
- case B9600:
- ulBaud = 9600;
- break;
- case B4800:
- ulBaud = 4800;
- break;
- case B2400:
- ulBaud = 2400;
- break;
- case B1800:
- ulBaud = 1800;
- break;
- case B1200:
- ulBaud = 1200;
- break;
- case B600:
- ulBaud = 600;
- break;
- case B300:
- ulBaud = 300;
- break;
- case B200:
- ulBaud = 200;
- break;
- case B150:
- ulBaud = 150;
- break;
- case B134:
- ulBaud = 134;
- break;
- case B110:
- ulBaud = 110;
- break;
- case B75:
- ulBaud = 75;
- break;
- case B50:
- ulBaud = 50;
- break;
- default:
- ulBaud = 115200;
- break;
- }
-
- /* Calculate buad rate. */
- ulClockFreqHz = BD_BCM63XX_TIMER_CLOCK_INPUT;
- ulTmp = (ulClockFreqHz / ulBaud) / 16;
- if( ulTmp & 0x01 )
- ulTmp /= 2; /* Rounding up, so sub is already accounted for */
- else
- ulTmp = (ulTmp / 2) - 1; /* Rounding down so we must sub 1 */
- pUart->baudword = ulTmp;
-
- /* Set character size, stop bits and parity. */
- switch( cFlag & CSIZE )
- {
- case CS5:
- ulTmp = BITS5SYM; /* select transmit 5 bit data size */
- break;
- case CS6:
- ulTmp = BITS6SYM; /* select transmit 6 bit data size */
- break;
- case CS7:
- ulTmp = BITS7SYM; /* select transmit 7 bit data size */
- break;
- default:
- ulTmp = BITS8SYM; /* select transmit 8 bit data size */
- break;
- }
- if( cFlag & CSTOPB )
- ulTmp |= TWOSTOP; /* select 2 stop bits */
- else
- ulTmp |= ONESTOP; /* select one stop bit */
-
- /* Write these values into the config reg. */
- pUart->config = ulTmp;
- pUart->control &= ~(RXPARITYEN | TXPARITYEN | RXPARITYEVEN | TXPARITYEVEN);
- switch( cFlag & (PARENB | PARODD) )
- {
- case PARENB|PARODD:
- pUart->control |= RXPARITYEN | TXPARITYEN;
- break;
- case PARENB:
- pUart->control |= RXPARITYEN | TXPARITYEN | RXPARITYEVEN | TXPARITYEVEN;
- break;
- default:
- pUart->control |= 0;
- break;
- }
-
- /* Reset and flush uart */
- pUart->fifoctl = RSTTXFIFOS | RSTRXFIFOS;
- spin_unlock_irqrestore(&bcm963xx_serial_lock, ulFlags);
+ unsigned long ulFlags, ulBaud, ulClockFreqHz, ulTmp;
+
+ spin_lock_irqsave(&bcm963xx_serial_lock, ulFlags);
+ switch (cFlag & (CBAUD | CBAUDEX)) {
+ case B115200:
+ ulBaud = 115200;
+ break;
+ case B57600:
+ ulBaud = 57600;
+ break;
+ case B38400:
+ ulBaud = 38400;
+ break;
+ case B19200:
+ ulBaud = 19200;
+ break;
+ case B9600:
+ ulBaud = 9600;
+ break;
+ case B4800:
+ ulBaud = 4800;
+ break;
+ case B2400:
+ ulBaud = 2400;
+ break;
+ case B1800:
+ ulBaud = 1800;
+ break;
+ case B1200:
+ ulBaud = 1200;
+ break;
+ case B600:
+ ulBaud = 600;
+ break;
+ case B300:
+ ulBaud = 300;
+ break;
+ case B200:
+ ulBaud = 200;
+ break;
+ case B150:
+ ulBaud = 150;
+ break;
+ case B134:
+ ulBaud = 134;
+ break;
+ case B110:
+ ulBaud = 110;
+ break;
+ case B75:
+ ulBaud = 75;
+ break;
+ case B50:
+ ulBaud = 50;
+ break;
+ default:
+ ulBaud = 115200;
+ break;
+ }
+
+ /* Calculate buad rate. */
+ ulClockFreqHz = BD_BCM63XX_TIMER_CLOCK_INPUT;
+ ulTmp = (ulClockFreqHz / ulBaud) / 16;
+ if (ulTmp & 0x01)
+ ulTmp /= 2; /* Rounding up, so sub is already accounted for */
+ else
+ ulTmp = (ulTmp / 2) - 1; /* Rounding down so we must sub 1 */
+ pUart->baudword = ulTmp;
+
+ /* Set character size, stop bits and parity. */
+ switch (cFlag & CSIZE) {
+ case CS5:
+ ulTmp = BITS5SYM; /* select transmit 5 bit data size */
+ break;
+ case CS6:
+ ulTmp = BITS6SYM; /* select transmit 6 bit data size */
+ break;
+ case CS7:
+ ulTmp = BITS7SYM; /* select transmit 7 bit data size */
+ break;
+ default:
+ ulTmp = BITS8SYM; /* select transmit 8 bit data size */
+ break;
+ }
+ if (cFlag & CSTOPB)
+ ulTmp |= TWOSTOP; /* select 2 stop bits */
+ else
+ ulTmp |= ONESTOP; /* select one stop bit */
+
+ /* Write these values into the config reg. */
+ pUart->config = ulTmp;
+ pUart->control &=
+ ~(RXPARITYEN | TXPARITYEN | RXPARITYEVEN | TXPARITYEVEN);
+ switch (cFlag & (PARENB | PARODD)) {
+ case PARENB | PARODD:
+ pUart->control |= RXPARITYEN | TXPARITYEN;
+ break;
+ case PARENB:
+ pUart->control |=
+ RXPARITYEN | TXPARITYEN | RXPARITYEVEN | TXPARITYEVEN;
+ break;
+ default:
+ pUart->control |= 0;
+ break;
+ }
+
+ /* Reset and flush uart */
+ pUart->fifoctl = RSTTXFIFOS | RSTRXFIFOS;
+ spin_unlock_irqrestore(&bcm963xx_serial_lock, ulFlags);
}
* Nothing to flush. Polled I/O is used.
* -------------------------------------------------------------------
*/
-static void bcm63xx_cons_flush_chars (struct tty_struct *tty)
+static void bcm63xx_cons_flush_chars(struct tty_struct *tty)
{
}
* Main output routine using polled I/O.
* -------------------------------------------------------------------
*/
-static int bcm63xx_cons_write (struct tty_struct *tty,
- const unsigned char *buf, int count)
+static int bcm63xx_cons_write(struct tty_struct *tty,
+ const unsigned char *buf, int count)
{
- int c;
+ int c;
- for (c = 0; c < count; c++)
- _putc(buf[c]);
- return count;
+ for (c = 0; c < count; c++)
+ _putc(buf[c]);
+ return count;
}
/*
* Compute the amount of space available for writing.
* -------------------------------------------------------------------
*/
-static int bcm63xx_cons_write_room (struct tty_struct *tty)
+static int bcm63xx_cons_write_room(struct tty_struct *tty)
{
- /* Pick a number. Any number. Polled I/O is used. */
- return 1024;
+ /* Pick a number. Any number. Polled I/O is used. */
+ return 1024;
}
/*
* compute the amount of char left to be transmitted
* -------------------------------------------------------------------
*/
-static int bcm_chars_in_buffer (struct tty_struct *tty)
+static int bcm_chars_in_buffer(struct tty_struct *tty)
{
- return 0;
+ return 0;
}
/*
* Empty the output buffer
* -------------------------------------------------------------------
*/
-static void bcm_flush_buffer (struct tty_struct *tty)
+static void bcm_flush_buffer(struct tty_struct *tty)
{
tty_wakeup(tty);
}
* incoming characters should be throttled (or not).
* ------------------------------------------------------------
*/
-static void bcm_throttle (struct tty_struct *tty)
+static void bcm_throttle(struct tty_struct *tty)
{
- struct bcm_serial *info = (struct bcm_serial *)tty->driver_data;
- if (I_IXOFF(tty))
- info->x_char = STOP_CHAR(tty);
+ struct bcm_serial *info = (struct bcm_serial *) tty->driver_data;
+ if (I_IXOFF(tty))
+ info->x_char = STOP_CHAR(tty);
}
-static void bcm_unthrottle (struct tty_struct *tty)
+static void bcm_unthrottle(struct tty_struct *tty)
{
- struct bcm_serial *info = (struct bcm_serial *)tty->driver_data;
- if (I_IXOFF(tty))
- {
- if (info->x_char)
- info->x_char = 0;
- else
- info->x_char = START_CHAR(tty);
- }
+ struct bcm_serial *info = (struct bcm_serial *) tty->driver_data;
+ if (I_IXOFF(tty)) {
+ if (info->x_char)
+ info->x_char = 0;
+ else
+ info->x_char = START_CHAR(tty);
+ }
}
-static void bcm_send_xchar (struct tty_struct *tty, char ch)
+static void bcm_send_xchar(struct tty_struct *tty, char ch)
{
- struct bcm_serial *info = (struct bcm_serial *)tty->driver_data;
- info->x_char = ch;
- if (ch)
- bcm_start (info->tty);
+ struct bcm_serial *info = (struct bcm_serial *) tty->driver_data;
+ info->x_char = ch;
+ if (ch)
+ bcm_start(info->tty);
}
/*
* rs_ioctl () and friends
* ------------------------------------------------------------
*/
-static int get_serial_info(struct bcm_serial *info, struct serial_struct *retinfo)
+static int get_serial_info(struct bcm_serial *info,
+ struct serial_struct *retinfo)
{
- struct serial_struct tmp;
-
- if (!retinfo)
- return -EFAULT;
-
- memset (&tmp, 0, sizeof(tmp));
- tmp.type = info->type;
- tmp.line = info->line;
- tmp.port = (int) info->port;
- tmp.irq = info->irq;
- tmp.flags = 0;
- tmp.baud_base = info->baud_base;
- tmp.close_delay = info->close_delay;
- tmp.closing_wait = info->closing_wait;
-
- return copy_to_user (retinfo, &tmp, sizeof(*retinfo));
+ struct serial_struct tmp;
+
+ if (!retinfo)
+ return -EFAULT;
+
+ memset(&tmp, 0, sizeof(tmp));
+ tmp.type = info->type;
+ tmp.line = info->line;
+ tmp.port = (int) info->port;
+ tmp.irq = info->irq;
+ tmp.flags = 0;
+ tmp.baud_base = info->baud_base;
+ tmp.close_delay = info->close_delay;
+ tmp.closing_wait = info->closing_wait;
+
+ return copy_to_user(retinfo, &tmp, sizeof(*retinfo));
}
-static int set_serial_info (struct bcm_serial *info, struct serial_struct *new_info)
+static int set_serial_info(struct bcm_serial *info,
+ struct serial_struct *new_info)
{
- struct serial_struct new_serial;
- struct bcm_serial old_info;
- int retval = 0;
+ struct serial_struct new_serial;
+ struct bcm_serial old_info;
+ int retval = 0;
- if (!new_info)
- return -EFAULT;
+ if (!new_info)
+ return -EFAULT;
- copy_from_user (&new_serial, new_info, sizeof(new_serial));
- old_info = *info;
+ copy_from_user(&new_serial, new_info, sizeof(new_serial));
+ old_info = *info;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
- if (info->count > 1)
- return -EBUSY;
+ if (info->count > 1)
+ return -EBUSY;
- /* OK, past this point, all the error checking has been done.
- * At this point, we start making changes.....
- */
- info->baud_base = new_serial.baud_base;
- info->type = new_serial.type;
- info->close_delay = new_serial.close_delay;
- info->closing_wait = new_serial.closing_wait;
- retval = startup (info);
- return retval;
+ /* OK, past this point, all the error checking has been done.
+ * At this point, we start making changes.....
+ */
+ info->baud_base = new_serial.baud_base;
+ info->type = new_serial.type;
+ info->close_delay = new_serial.close_delay;
+ info->closing_wait = new_serial.closing_wait;
+ retval = startup(info);
+ return retval;
}
/*
* transmit holding register is empty. This functionality
* allows an RS485 driver to be written in user space.
*/
-static int get_lsr_info (struct bcm_serial *info, unsigned int *value)
+static int get_lsr_info(struct bcm_serial *info, unsigned int *value)
{
- return( 0 );
+ return (0);
}
/*
* This routine sends a break character out the serial port.
*/
-static void send_break (struct bcm_serial *info, int duration)
+static void send_break(struct bcm_serial *info, int duration)
{
- unsigned long flags;
+ unsigned long flags;
- if (!info->port)
- return;
+ if (!info->port)
+ return;
- current->state = TASK_INTERRUPTIBLE;
+ current->state = TASK_INTERRUPTIBLE;
- /*save_flags (flags);
- cli();*/
- spin_lock_irqsave(&bcm963xx_serial_lock, flags);
+ /*save_flags (flags);
+ cli(); */
+ spin_lock_irqsave(&bcm963xx_serial_lock, flags);
- info->port->control |= XMITBREAK;
- schedule_timeout(duration);
- info->port->control &= ~XMITBREAK;
+ info->port->control |= XMITBREAK;
+ schedule_timeout(duration);
+ info->port->control &= ~XMITBREAK;
- spin_unlock_irqrestore(&bcm963xx_serial_lock, flags);
- //restore_flags (flags);
+ spin_unlock_irqrestore(&bcm963xx_serial_lock, flags);
+ //restore_flags (flags);
}
-static int bcm_ioctl (struct tty_struct * tty, struct file * file,
- unsigned int cmd, unsigned long arg)
+static int bcm_ioctl(struct tty_struct *tty, struct file *file,
+ unsigned int cmd, unsigned long arg)
{
- int error;
- struct bcm_serial * info = (struct bcm_serial *)tty->driver_data;
- int retval;
-
- if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) &&
- (cmd != TIOCSERCONFIG) && (cmd != TIOCSERGWILD) &&
- (cmd != TIOCSERSWILD) && (cmd != TIOCSERGSTRUCT))
- {
- if (tty->flags & (1 << TTY_IO_ERROR))
- return -EIO;
- }
- switch (cmd)
- {
-
- case TCSBRK: /* SVID version: non-zero arg --> no break */
- retval = tty_check_change (tty);
- if (retval)
- return retval;
- tty_wait_until_sent (tty, 0);
- if (!arg)
- send_break (info, HZ/4); /* 1/4 second */
- return 0;
-
- case TCSBRKP: /* support for POSIX tcsendbreak() */
- retval = tty_check_change (tty);
- if (retval)
- return retval;
- tty_wait_until_sent (tty, 0);
- send_break (info, arg ? arg*(HZ/10) : HZ/4);
- return 0;
-
- case TIOCGSOFTCAR:
- error = access_ok (VERIFY_WRITE, (void *)arg, sizeof(long));
- if (!error)
- return -EFAULT;
- else
- {
- put_user (C_CLOCAL(tty) ? 1 : 0, (unsigned long *)arg);
- return 0;
+ int error;
+ struct bcm_serial *info = (struct bcm_serial *) tty->driver_data;
+ int retval;
+
+ if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) &&
+ (cmd != TIOCSERCONFIG) && (cmd != TIOCSERGWILD) &&
+ (cmd != TIOCSERSWILD) && (cmd != TIOCSERGSTRUCT)) {
+ if (tty->flags & (1 << TTY_IO_ERROR))
+ return -EIO;
}
-
- case TIOCSSOFTCAR:
- error = get_user (arg, (unsigned long *)arg);
- if (error)
- return error;
- tty->termios->c_cflag = ((tty->termios->c_cflag & ~CLOCAL) | (arg ? CLOCAL : 0));
- return 0;
-
- case TIOCGSERIAL:
- error = access_ok (VERIFY_WRITE, (void *)arg, sizeof(struct serial_struct));
- if (!error)
- return -EFAULT;
- else
- return get_serial_info (info, (struct serial_struct *)arg);
-
- case TIOCSSERIAL:
- return set_serial_info (info, (struct serial_struct *) arg);
-
- case TIOCSERGETLSR: /* Get line status register */
- error = access_ok (VERIFY_WRITE, (void *)arg, sizeof(unsigned int));
- if (!error)
- return -EFAULT;
- else
- return get_lsr_info (info, (unsigned int *)arg);
-
- case TIOCSERGSTRUCT:
- error = access_ok (VERIFY_WRITE, (void *)arg, sizeof(struct bcm_serial));
- if (!error)
- return -EFAULT;
- else
- {
- copy_to_user((struct bcm_serial *)arg, info, sizeof(struct bcm_serial));
- return 0;
+ switch (cmd) {
+
+ case TCSBRK: /* SVID version: non-zero arg --> no break */
+ retval = tty_check_change(tty);
+ if (retval)
+ return retval;
+ tty_wait_until_sent(tty, 0);
+ if (!arg)
+ send_break(info, HZ / 4); /* 1/4 second */
+ return 0;
+
+ case TCSBRKP: /* support for POSIX tcsendbreak() */
+ retval = tty_check_change(tty);
+ if (retval)
+ return retval;
+ tty_wait_until_sent(tty, 0);
+ send_break(info, arg ? arg * (HZ / 10) : HZ / 4);
+ return 0;
+
+ case TIOCGSOFTCAR:
+ error =
+ access_ok(VERIFY_WRITE, (void *) arg, sizeof(long));
+ if (!error)
+ return -EFAULT;
+ else {
+ put_user(C_CLOCAL(tty) ? 1 : 0,
+ (unsigned long *) arg);
+ return 0;
+ }
+
+ case TIOCSSOFTCAR:
+ error = get_user(arg, (unsigned long *) arg);
+ if (error)
+ return error;
+ tty->termios->c_cflag =
+ ((tty->termios->
+ c_cflag & ~CLOCAL) | (arg ? CLOCAL : 0));
+ return 0;
+
+ case TIOCGSERIAL:
+ error =
+ access_ok(VERIFY_WRITE, (void *) arg,
+ sizeof(struct serial_struct));
+ if (!error)
+ return -EFAULT;
+ else
+ return get_serial_info(info,
+ (struct serial_struct *)
+ arg);
+
+ case TIOCSSERIAL:
+ return set_serial_info(info, (struct serial_struct *) arg);
+
+ case TIOCSERGETLSR: /* Get line status register */
+ error =
+ access_ok(VERIFY_WRITE, (void *) arg,
+ sizeof(unsigned int));
+ if (!error)
+ return -EFAULT;
+ else
+ return get_lsr_info(info, (unsigned int *) arg);
+
+ case TIOCSERGSTRUCT:
+ error =
+ access_ok(VERIFY_WRITE, (void *) arg,
+ sizeof(struct bcm_serial));
+ if (!error)
+ return -EFAULT;
+ else {
+ copy_to_user((struct bcm_serial *) arg, info,
+ sizeof(struct bcm_serial));
+ return 0;
+ }
+
+ default:
+ return -ENOIOCTLCMD;
}
-
- default:
- return -ENOIOCTLCMD;
- }
- return 0;
+ return 0;
}
-static void bcm_set_termios (struct tty_struct *tty, struct termios *old_termios)
+static void bcm_set_termios(struct tty_struct *tty,
+ struct ktermios *old_termios)
{
- struct bcm_serial *info = (struct bcm_serial *)tty->driver_data;
+ struct bcm_serial *info = (struct bcm_serial *) tty->driver_data;
- if( tty->termios->c_cflag != old_termios->c_cflag )
- change_speed (info->port, tty->termios->c_cflag);
+ if (tty->termios->c_cflag != old_termios->c_cflag)
+ change_speed(info->port, tty->termios->c_cflag);
}
/*
* the transmit enable and receive enable flags.
* ------------------------------------------------------------
*/
-static void bcm63xx_cons_close (struct tty_struct *tty, struct file *filp)
+static void bcm63xx_cons_close(struct tty_struct *tty, struct file *filp)
{
- struct bcm_serial * info = (struct bcm_serial *)tty->driver_data;
- unsigned long flags;
-
- if (!info)
- return;
-
- /*save_flags (flags);
- cli();*/
- spin_lock_irqsave(&bcm963xx_serial_lock, flags);
-
- if (tty_hung_up_p (filp))
- {
- spin_unlock_irqrestore(&bcm963xx_serial_lock, flags);
- //restore_flags (flags);
- return;
- }
-
- if ((tty->count == 1) && (info->count != 1))
- {
-
- /* Uh, oh. tty->count is 1, which means that the tty
- * structure will be freed. Info->count should always
- * be one in these conditions. If it's greater than
- * one, we've got real problems, since it means the
- * serial port won't be shutdown.
- */
- printk("bcm63xx_cons_close: bad serial port count; tty->count is 1, "
- "info->count is %d\n", info->count);
- info->count = 1;
- }
-
- if (--info->count < 0)
- {
- printk("ds_close: bad serial port count for ttys%d: %d\n",
- info->line, info->count);
- info->count = 0;
- }
-
- if (info->count)
- {
- //restore_flags (flags);
- spin_unlock_irqrestore(&bcm963xx_serial_lock, flags);
- return;
- }
-
- /* Now we wait for the transmit buffer to clear; and we notify
- * the line discipline to only process XON/XOFF characters.
- */
- tty->closing = 1;
-
- /* At this point we stop accepting input. To do this, we
- * disable the receive line status interrupts.
- */
- shutdown (info);
+ struct bcm_serial *info = (struct bcm_serial *) tty->driver_data;
+ unsigned long flags;
+
+ if (!info)
+ return;
+
+ /*save_flags (flags);
+ cli(); */
+ spin_lock_irqsave(&bcm963xx_serial_lock, flags);
+
+ if (tty_hung_up_p(filp)) {
+ spin_unlock_irqrestore(&bcm963xx_serial_lock, flags);
+ //restore_flags (flags);
+ return;
+ }
+
+ if ((tty->count == 1) && (info->count != 1)) {
+
+ /* Uh, oh. tty->count is 1, which means that the tty
+ * structure will be freed. Info->count should always
+ * be one in these conditions. If it's greater than
+ * one, we've got real problems, since it means the
+ * serial port won't be shutdown.
+ */
+ printk
+ ("bcm63xx_cons_close: bad serial port count; tty->count is 1, "
+ "info->count is %d\n", info->count);
+ info->count = 1;
+ }
+
+ if (--info->count < 0) {
+ printk("ds_close: bad serial port count for ttys%d: %d\n",
+ info->line, info->count);
+ info->count = 0;
+ }
+
+ if (info->count) {
+ //restore_flags (flags);
+ spin_unlock_irqrestore(&bcm963xx_serial_lock, flags);
+ return;
+ }
+
+ /* Now we wait for the transmit buffer to clear; and we notify
+ * the line discipline to only process XON/XOFF characters.
+ */
+ tty->closing = 1;
+
+ /* At this point we stop accepting input. To do this, we
+ * disable the receive line status interrupts.
+ */
+ shutdown(info);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
- if (tty->driver->flush_buffer)
- tty->driver->flush_buffer (tty);
-#else
- if (tty->driver.flush_buffer)
- tty->driver.flush_buffer (tty);
+ if (tty->driver->flush_buffer)
+ tty->driver->flush_buffer(tty);
+#else
+ if (tty->driver.flush_buffer)
+ tty->driver.flush_buffer(tty);
#endif
- if (tty->ldisc.flush_buffer)
- tty->ldisc.flush_buffer (tty);
-
- tty->closing = 0;
- info->event = 0;
- info->tty = 0;
- if (tty->ldisc.num != tty_ldisc_get(N_TTY)->num)
- {
- if (tty->ldisc.close)
- (tty->ldisc.close)(tty);
- tty->ldisc = *tty_ldisc_get(N_TTY);
- tty->termios->c_line = N_TTY;
- if (tty->ldisc.open)
- (tty->ldisc.open)(tty);
- }
- if (info->blocked_open)
- {
- if (info->close_delay)
- {
- current->state = TASK_INTERRUPTIBLE;
- schedule_timeout(info->close_delay);
- }
- wake_up_interruptible (&info->open_wait);
- }
- wake_up_interruptible (&info->close_wait);
-
- //restore_flags (flags);
- spin_unlock_irqrestore(&bcm963xx_serial_lock, flags);
+ if (tty->ldisc.flush_buffer)
+ tty->ldisc.flush_buffer(tty);
+
+ tty->closing = 0;
+ info->event = 0;
+ info->tty = 0;
+ if (tty->ldisc.num != tty_ldisc_get(N_TTY)->num) {
+ if (tty->ldisc.close)
+ (tty->ldisc.close) (tty);
+ tty->ldisc = *tty_ldisc_get(N_TTY);
+ tty->termios->c_line = N_TTY;
+ if (tty->ldisc.open)
+ (tty->ldisc.open) (tty);
+ }
+ if (info->blocked_open) {
+ if (info->close_delay) {
+ current->state = TASK_INTERRUPTIBLE;
+ schedule_timeout(info->close_delay);
+ }
+ wake_up_interruptible(&info->open_wait);
+ }
+ wake_up_interruptible(&info->close_wait);
+
+ //restore_flags (flags);
+ spin_unlock_irqrestore(&bcm963xx_serial_lock, flags);
}
/*
* bcm_hangup () --- called by tty_hangup() when a hangup is signaled.
*/
-static void bcm_hangup (struct tty_struct *tty)
+static void bcm_hangup(struct tty_struct *tty)
{
- struct bcm_serial *info = (struct bcm_serial *)tty->driver_data;
+ struct bcm_serial *info = (struct bcm_serial *) tty->driver_data;
- shutdown (info);
- info->event = 0;
- info->count = 0;
- info->tty = 0;
- wake_up_interruptible (&info->open_wait);
+ shutdown(info);
+ info->event = 0;
+ info->count = 0;
+ info->tty = 0;
+ wake_up_interruptible(&info->open_wait);
}
/*
* rs_open() and friends
* ------------------------------------------------------------
*/
-static int block_til_ready (struct tty_struct *tty, struct file *filp,
- struct bcm_serial *info)
+static int block_til_ready(struct tty_struct *tty, struct file *filp,
+ struct bcm_serial *info)
{
- return 0;
-}
+ return 0;
+}
/*
* This routine is called whenever a serial port is opened. It
* enables interrupts for a serial port. It also performs the
* serial-specific initialization for the tty structure.
*/
-static int bcm63xx_cons_open (struct tty_struct * tty, struct file * filp)
+static int bcm63xx_cons_open(struct tty_struct *tty, struct file *filp)
{
- struct bcm_serial *info;
- int retval, line;
+ struct bcm_serial *info;
+ int retval, line;
- // Make sure we're only opening on of the ports we support
+ // Make sure we're only opening on of the ports we support
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
- line = MINOR(tty->driver->cdev.dev) - tty->driver->minor_start;
+ line = MINOR(tty->driver->cdev.dev) - tty->driver->minor_start;
#else
- line = MINOR(tty->device) - tty->driver.minor_start;
-#endif
+ line = MINOR(tty->device) - tty->driver.minor_start;
+#endif
- if ((line < 0) || (line >= BCM_NUM_UARTS))
- return -ENODEV;
+ if ((line < 0) || (line >= BCM_NUM_UARTS))
+ return -ENODEV;
- info = lines[line];
+ info = lines[line];
- tty->low_latency=1;
- info->port->intMask = 0; /* Clear any pending interrupts */
- info->port->intMask = RXINT; /* Enable RX */
+ tty->low_latency = 1;
+ info->port->intMask = 0; /* Clear any pending interrupts */
+ info->port->intMask = RXINT; /* Enable RX */
- info->count++;
- tty->driver_data = info;
- info->tty = tty;
- BcmHalInterruptEnable (INTERRUPT_ID_UART);
+ info->count++;
+ tty->driver_data = info;
+ info->tty = tty;
+ enable_brcm_irq(INTERRUPT_ID_UART);
- // Start up serial port
- retval = startup (info);
- if (retval)
- return retval;
+ // Start up serial port
+ retval = startup(info);
+ if (retval)
+ return retval;
- retval = block_til_ready (tty, filp, info);
- if (retval)
- return retval;
+ retval = block_til_ready(tty, filp, info);
+ if (retval)
+ return retval;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
- info->pgrp = process_group(current);
- info->session = current->signal->session;
+ info->pgrp = process_group(current);
#else
- info->session = current->session;
- info->pgrp = current->pgrp;
-#endif
+ info->session = current->session;
+ info->pgrp = current->pgrp;
+#endif
- return 0;
+ return 0;
}
-------------------------------------------------------------------------- */
static int __init bcm63xx_serialinit(void)
{
- int i, flags;
- struct bcm_serial * info;
-
- // Print the driver version information
- printk(VER_STR);
- serial_driver = alloc_tty_driver(BCM_NUM_UARTS);
- if (!serial_driver)
- return -ENOMEM;
-
- serial_driver->owner = THIS_MODULE;
-// serial_driver->devfs_name = "tts/";
-// serial_driver.magic = TTY_DRIVER_MAGIC;
- serial_driver->name = "ttyS";
- serial_driver->major = TTY_MAJOR;
- serial_driver->minor_start = 64;
-// serial_driver.num = BCM_NUM_UARTS;
- serial_driver->type = TTY_DRIVER_TYPE_SERIAL;
- serial_driver->subtype = SERIAL_TYPE_NORMAL;
- serial_driver->init_termios = tty_std_termios;
- serial_driver->init_termios.c_cflag = B115200 | CS8 | CREAD | HUPCL | CLOCAL;
- serial_driver->flags = TTY_DRIVER_REAL_RAW;
-
- serial_driver->termios = serial_termios;
- serial_driver->termios_locked = serial_termios_locked;
-
- tty_set_operations(serial_driver, &rs_ops);
-
- if (tty_register_driver (serial_driver))
- panic("Couldn't register serial driver\n");
-
- //save_flags(flags); cli();
- spin_lock_irqsave(&bcm963xx_serial_lock, flags);
-
- for (i = 0; i < BCM_NUM_UARTS; i++)
- {
- info = &multi[i];
- lines[i] = info;
- info->magic = SERIAL_MAGIC;
- info->port = (Uart *) ((char *)UART_BASE + (i * 0x20));
- info->tty = 0;
- info->irq = (2 - i) + 8;
- info->line = i;
- info->close_delay = 50;
- info->closing_wait = 3000;
- info->x_char = 0;
- info->event = 0;
- info->count = 0;
- info->blocked_open = 0;
- info->normal_termios = serial_driver->init_termios;
- init_waitqueue_head(&info->open_wait);
- init_waitqueue_head(&info->close_wait);
-
- /* If we are pointing to address zero then punt - not correctly
- * set up in setup.c to handle this.
- */
- if (! info->port)
- return 0;
- BcmHalMapInterrupt(bcm_interrupt, 0, INTERRUPT_ID_UART);
- }
-
- /* order matters here... the trick is that flags
- * is updated... in request_irq - to immediatedly obliterate
- * it is unwise.
- */
- spin_unlock_irqrestore(&bcm963xx_serial_lock, flags);
- return 0;
+ int i, flags;
+ struct bcm_serial *info;
+
+ // Print the driver version information
+ printk(VER_STR);
+ serial_driver = alloc_tty_driver(BCM_NUM_UARTS);
+ if (!serial_driver)
+ return -ENOMEM;
+
+ serial_driver->owner = THIS_MODULE;
+ serial_driver->name = "ttyS";
+ serial_driver->major = TTY_MAJOR;
+ serial_driver->minor_start = 64;
+ serial_driver->num = 1;
+ serial_driver->type = TTY_DRIVER_TYPE_SERIAL;
+ serial_driver->subtype = SERIAL_TYPE_NORMAL;
+ serial_driver->init_termios = tty_std_termios;
+ serial_driver->init_termios.c_cflag = B115200 | CS8 | CREAD | HUPCL | CLOCAL;
+ serial_driver->flags = TTY_DRIVER_REAL_RAW;
+
+ serial_driver->termios = serial_termios;
+ serial_driver->termios_locked = serial_termios_locked;
+
+ tty_set_operations(serial_driver, &rs_ops);
+
+ if (tty_register_driver(serial_driver))
+ panic("Couldn't register serial driver\n");
+
+ //save_flags(flags); cli();
+ spin_lock_irqsave(&bcm963xx_serial_lock, flags);
+
+ for (i = 0; i < 1; i++) {
+ info = &multi[i];
+ lines[i] = info;
+ info->magic = SERIAL_MAGIC;
+ info->port = (Uart *) ((char *) UART_BASE + (i * 0x20));
+ info->tty = 0;
+ info->irq = (2 - i) + 8;
+ info->line = i;
+ info->close_delay = 50;
+ info->closing_wait = 3000;
+ info->x_char = 0;
+ info->event = 0;
+ info->count = 0;
+ info->blocked_open = 0;
+ info->normal_termios = serial_driver->init_termios;
+ init_waitqueue_head(&info->open_wait);
+ init_waitqueue_head(&info->close_wait);
+
+ /* If we are pointing to address zero then punt - not correctly
+ * set up in setup.c to handle this.
+ */
+ if (!info->port)
+ return 0;
+ BcmHalMapInterrupt(bcm_interrupt, 0, INTERRUPT_ID_UART);
+ }
+
+ /* order matters here... the trick is that flags
+ * is updated... in request_irq - to immediatedly obliterate
+ * it is unwise.
+ */
+ spin_unlock_irqrestore(&bcm963xx_serial_lock, flags);
+ return 0;
}
module_init(bcm63xx_serialinit);
Purpose: bcm_console_print is registered for printk.
The console_lock must be held when we get here.
-------------------------------------------------------------------------- */
-static void bcm_console_print (struct console * cons, const char * str,
- unsigned int count)
+static void bcm_console_print(struct console *cons, const char *str,
+ unsigned int count)
{
- unsigned int i;
- //_puts(str);
- for(i=0; i<count; i++, str++)
- {
- _putc(*str);
- if (*str == 10)
- {
- _putc(13);
- }
- }
+ unsigned int i;
+ //_puts(str);
+ for (i = 0; i < count; i++, str++) {
+ _putc(*str);
+ if (*str == 10) {
+ _putc(13);
+ }
+ }
}
-static struct tty_driver * bcm_console_device(struct console * c, int *index)
+static struct tty_driver *bcm_console_device(struct console *c, int *index)
{
- *index = c->index;
- return serial_driver;
+ *index = c->index;
+ return serial_driver;
}
-static int __init bcm_console_setup(struct console * co, char * options)
+static int __init bcm_console_setup(struct console *co, char *options)
{
- return 0;
+ return 0;
}
static struct console bcm_sercons = {
- .name = "ttyS",
- .write = bcm_console_print,
- .device = bcm_console_device,
- .setup = bcm_console_setup,
- .flags = CON_PRINTBUFFER,
- .index = -1,
+ .name = "ttyS",
+ .write = bcm_console_print,
+ .device = bcm_console_device,
+ .setup = bcm_console_setup,
+ .flags = CON_PRINTBUFFER,
+ .index = -1,
};
static int __init bcm63xx_console_init(void)
{
- register_console(&bcm_sercons);
- return 0;
+ register_console(&bcm_sercons);
+ return 0;
}
console_initcall(bcm63xx_console_init);
projects / openwrt.git / blobdiff