*/
#include <linux/module.h>
-#include <linux/autoconf.h>
#include <linux/errno.h>
#include <linux/signal.h>
#include <linux/sched.h>
};
MODULE_DEVICE_TABLE(pci, mxser_pcibrds);
-static int mxvar_baud_table[] = {
- 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400,
- 4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800, 921600
-};
-static unsigned int mxvar_baud_table1[] = {
- 0, B50, B75, B110, B134, B150, B200, B300, B600, B1200, B1800, B2400,
- B4800, B9600, B19200, B38400, B57600, B115200, B230400, B460800, B921600
-};
-#define BAUD_TABLE_NO ARRAY_SIZE(mxvar_baud_table)
-
-#define B_SPEC B2000000
-
static int ioaddr[MXSER_BOARDS] = { 0, 0, 0, 0 };
static int ttymajor = MXSERMAJOR;
static int calloutmajor = MXSERCUMAJOR;
int rx_trigger; /* Rx fifo trigger level */
int rx_low_water;
int baud_base; /* max. speed */
- long realbaud;
int type; /* UART type */
int flags; /* defined in tty.h */
- int speed;
int x_char; /* xon/xoff character */
int IER; /* Interrupt Enable Register */
static int mxser_set_baud_method[MXSER_PORTS + 1];
#ifdef CONFIG_PCI
-static int __devinit CheckIsMoxaMust(int io)
+static int __devinit CheckIsMoxaMust(unsigned long io)
{
u8 oldmcr, hwid;
int i;
static int mxser_set_baud(struct mxser_port *info, long newspd)
{
- unsigned int i;
- int quot = 0;
+ int quot = 0, baud;
unsigned char cval;
- int ret = 0;
if (!info->tty || !info->tty->termios)
- return ret;
+ return -1;
if (!(info->ioaddr))
- return ret;
+ return -1;
if (newspd > info->max_baud)
- return 0;
+ return -1;
- info->realbaud = newspd;
- for (i = 0; i < BAUD_TABLE_NO; i++)
- if (newspd == mxvar_baud_table[i])
- break;
- if (i == BAUD_TABLE_NO) {
- quot = info->baud_base / info->speed;
- if (info->speed <= 0 || info->speed > info->max_baud)
- quot = 0;
+ if (newspd == 134) {
+ quot = 2 * info->baud_base / 269;
+ tty_encode_baud_rate(info->tty, 134, 134);
+ } else if (newspd) {
+ quot = info->baud_base / newspd;
+ if (quot == 0)
+ quot = 1;
+ baud = info->baud_base/quot;
+ tty_encode_baud_rate(info->tty, baud, baud);
} else {
- if (newspd == 134) {
- quot = (2 * info->baud_base / 269);
- } else if (newspd) {
- quot = info->baud_base / newspd;
- if (quot == 0)
- quot = 1;
- } else {
- quot = 0;
- }
+ quot = 0;
}
info->timeout = ((info->xmit_fifo_size * HZ * 10 * quot) / info->baud_base);
} else {
info->MCR &= ~UART_MCR_DTR;
outb(info->MCR, info->ioaddr + UART_MCR);
- return ret;
+ return 0;
}
cval = inb(info->ioaddr + UART_LCR);
outb(quot >> 8, info->ioaddr + UART_DLM); /* MS of divisor */
outb(cval, info->ioaddr + UART_LCR); /* reset DLAB */
- if (i == BAUD_TABLE_NO) {
- quot = info->baud_base % info->speed;
+#ifdef BOTHER
+ if (C_BAUD(info->tty) == BOTHER) {
+ quot = info->baud_base % newspd;
quot *= 8;
- if ((quot % info->speed) > (info->speed / 2)) {
- quot /= info->speed;
+ if (quot % newspd > newspd / 2) {
+ quot /= newspd;
quot++;
- } else {
- quot /= info->speed;
- }
+ } else
+ quot /= newspd;
+
SET_MOXA_MUST_ENUM_VALUE(info->ioaddr, quot);
} else
+#endif
SET_MOXA_MUST_ENUM_VALUE(info->ioaddr, 0);
- return ret;
+ return 0;
}
/*
unsigned cflag, cval, fcr;
int ret = 0;
unsigned char status;
- long baud;
if (!info->tty || !info->tty->termios)
return ret;
if (!(info->ioaddr))
return ret;
- if (mxser_set_baud_method[info->tty->index] == 0) {
- if ((cflag & CBAUD) == B_SPEC)
- baud = info->speed;
- else
- baud = tty_get_baud_rate(info->tty);
- mxser_set_baud(info, baud);
- }
+ if (mxser_set_baud_method[info->tty->index] == 0)
+ mxser_set_baud(info, tty_get_baud_rate(info->tty));
/* byte size and parity */
switch (cflag & CSIZE) {
port->mon_data.up_txcnt;
mon_data_ext.modem_status[i] =
port->mon_data.modem_status;
- mon_data_ext.baudrate[i] = port->realbaud;
+ mon_data_ext.baudrate[i] =
+ tty_get_baud_rate(port->tty);
if (!port->tty || !port->tty->termios) {
cflag = port->normal_termios.c_cflag;
struct serial_icounter_struct __user *p_cuser;
unsigned long templ;
unsigned long flags;
- unsigned int i;
void __user *argp = (void __user *)arg;
int retval;
return 0;
}
- if (cmd == MOXA_SET_SPECIAL_BAUD_RATE) {
- int speed;
-
- if (get_user(speed, (int __user *)argp))
- return -EFAULT;
- if (speed <= 0 || speed > info->max_baud)
- return -EFAULT;
- if (!info->tty || !info->tty->termios || !info->ioaddr)
- return 0;
- info->tty->termios->c_cflag &= ~(CBAUD | CBAUDEX);
- for (i = 0; i < BAUD_TABLE_NO; i++)
- if (speed == mxvar_baud_table[i])
- break;
- if (i == BAUD_TABLE_NO) {
- info->tty->termios->c_cflag |= B_SPEC;
- } else if (speed != 0)
- info->tty->termios->c_cflag |= mxvar_baud_table1[i];
-
- info->speed = speed;
- spin_lock_irqsave(&info->slock, flags);
- mxser_change_speed(info, NULL);
- spin_unlock_irqrestore(&info->slock, flags);
-
- return 0;
- } else if (cmd == MOXA_GET_SPECIAL_BAUD_RATE) {
- if (copy_to_user(argp, &info->speed, sizeof(int)))
- return -EFAULT;
- return 0;
- }
-
if (cmd != TIOCGSERIAL && cmd != TIOCMIWAIT && cmd != TIOCGICOUNT &&
test_bit(TTY_IO_ERROR, &tty->flags))
return -EIO;
info->mon_data.rxcnt = 0;
info->mon_data.txcnt = 0;
return 0;
- case MOXA_ASPP_SETBAUD:{
- long baud;
- if (get_user(baud, (long __user *)argp))
- return -EFAULT;
- spin_lock_irqsave(&info->slock, flags);
- mxser_set_baud(info, baud);
- spin_unlock_irqrestore(&info->slock, flags);
- return 0;
- }
- case MOXA_ASPP_GETBAUD:
- if (copy_to_user(argp, &info->realbaud, sizeof(long)))
- return -EFAULT;
-
- return 0;
case MOXA_ASPP_OQUEUE:{
int len, lsr;
return;
}
- if (port->xmit_buf == 0)
+ if (port->xmit_buf == NULL)
return;
if ((port->xmit_cnt <= 0) || port->tty->stopped ||
info->normal_termios = mxvar_sdriver->init_termios;
init_waitqueue_head(&info->open_wait);
init_waitqueue_head(&info->delta_msr_wait);
- info->speed = 9600;
memset(&info->mon_data, 0, sizeof(struct mxser_mon));
info->err_shadow = 0;
spin_lock_init(&info->slock);
projects / linux-2.6-omap-h63xx.git / blobdiff