+struct ftdi_private {
+ ftdi_chip_type_t chip_type;
+ /* type of the device, either SIO or FT8U232AM */
+ int baud_base; /* baud base clock for divisor setting */
+ int custom_divisor; /* custom_divisor kludge, this is for baud_base (different from what goes to the chip!) */
+ __u16 last_set_data_urb_value ;
+ /* the last data state set - needed for doing a break */
+ int write_offset; /* This is the offset in the usb data block to write the serial data -
+ * it is different between devices
+ */
+ int flags; /* some ASYNC_xxxx flags are supported */
+ unsigned long last_dtr_rts; /* saved modem control outputs */
+ wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */
+ char prev_status, diff_status; /* Used for TIOCMIWAIT */
+ __u8 rx_flags; /* receive state flags (throttling) */
+ spinlock_t rx_lock; /* spinlock for receive state */
+ struct delayed_work rx_work;
+ struct usb_serial_port *port;
+ int rx_processed;
+ unsigned long rx_bytes;
+
+ __u16 interface; /* FT2232C port interface (0 for FT232/245) */
+
+ int force_baud; /* if non-zero, force the baud rate to this value */
+ 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;
+};
+