/* to talk to the device */
/* Thanx to gkh and the rest of the usb dev group for all code I have assimilated :-) */
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <asm/uaccess.h>
#include <linux/usb.h>
#include <linux/serial.h>
-#include "usb-serial.h"
+#include <linux/usb/serial.h>
#include "ftdi_sio.h"
/*
static struct usb_device_id id_table_combined [] = {
+ { USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) },
{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) },
{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2101_PID) },
{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2102_PID) },
{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2103_PID) },
{ USB_DEVICE(ICOM_ID1_VID, ICOM_ID1_PID) },
{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
+ { USB_DEVICE(TESTO_VID, TESTO_USB_INTERFACE_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
{ }, /* Optional parameter entry */
{ } /* Terminating entry */
};
spinlock_t rx_lock; /* spinlock for receive state */
struct work_struct rx_work;
int rx_processed;
+ unsigned long rx_bytes;
__u16 interface; /* FT2232C port interface (0 for FT232/245) */
int force_rtscts; /* if non-zero, force RTS-CTS to always be enabled */
spinlock_t tx_lock; /* spinlock for transmit state */
+ unsigned long tx_bytes;
unsigned long tx_outstanding_bytes;
unsigned long tx_outstanding_urbs;
};
static int ftdi_open (struct usb_serial_port *port, struct file *filp)
{ /* ftdi_open */
- struct termios tmp_termios;
struct usb_device *dev = port->serial->dev;
struct ftdi_private *priv = usb_get_serial_port_data(port);
unsigned long flags;
dbg("%s", __FUNCTION__);
+ spin_lock_irqsave(&priv->tx_lock, flags);
+ priv->tx_bytes = 0;
+ spin_unlock_irqrestore(&priv->tx_lock, flags);
+ spin_lock_irqsave(&priv->rx_lock, flags);
+ priv->rx_bytes = 0;
+ spin_unlock_irqrestore(&priv->rx_lock, flags);
- port->tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
+ if (port->tty)
+ port->tty->low_latency = (priv->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
/* No error checking for this (will get errors later anyway) */
/* See ftdi_sio.h for description of what is reset */
This is same behaviour as serial.c/rs_open() - Kuba */
/* ftdi_set_termios will send usb control messages */
- ftdi_set_termios(port, &tmp_termios);
+ if (port->tty)
+ ftdi_set_termios(port, NULL);
/* FIXME: Flow control might be enabled, so it should be checked -
we have no control of defaults! */
spin_lock_irqsave(&priv->tx_lock, flags);
++priv->tx_outstanding_urbs;
priv->tx_outstanding_bytes += count;
+ priv->tx_bytes += count;
spin_unlock_irqrestore(&priv->tx_lock, flags);
}
priv->tx_outstanding_bytes -= countback;
spin_unlock_irqrestore(&priv->tx_lock, flags);
- schedule_work(&port->work);
+ usb_serial_port_softint(port);
} /* ftdi_write_bulk_callback */
struct usb_serial_port *port = (struct usb_serial_port *)urb->context;
struct tty_struct *tty;
struct ftdi_private *priv;
+ unsigned long countread;
+ unsigned long flags;
if (urb->number_of_packets > 0) {
err("%s transfer_buffer_length %d actual_length %d number of packets %d",__FUNCTION__,
return;
}
+ /* count data bytes, but not status bytes */
+ countread = urb->actual_length;
+ countread -= 2 * ((countread + (PKTSZ - 1)) / PKTSZ);
+ spin_lock_irqsave(&priv->rx_lock, flags);
+ priv->rx_bytes += countread;
+ spin_unlock_irqrestore(&priv->rx_lock, flags);
+
ftdi_process_read(port);
} /* ftdi_read_bulk_callback */
err("%s urb failed to set baudrate", __FUNCTION__);
}
/* Ensure RTS and DTR are raised when baudrate changed from 0 */
- if ((old_termios->c_cflag & CBAUD) == B0) {
+ if (!old_termios || (old_termios->c_cflag & CBAUD) == B0) {
set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
}
}