+#define ACM_CTRL_DTR 0x01
+#define ACM_CTRL_RTS 0x02
+
+diff -Naur linux-2.4.35.4-old/drivers/usb/serial/sierra.c linux-2.4.35.4/drivers/usb/serial/sierra.c
+--- linux-2.4.35.4-old/drivers/usb/serial/sierra.c 1969-12-31 17:00:00.000000000 -0700
++++ linux-2.4.35.4/drivers/usb/serial/sierra.c 2008-01-25 10:21:25.747868456 -0700
+@@ -0,0 +1,1446 @@
++/*
++ * Sierra Wireless CDMA Wireless Serial USB drive
++ *
++ * Current Copy modified by: Kevin Lloyd <linux@sierrawireless.com>
++ * Original Copy written by: 2005 Greg Kroah-Hartman <gregkh <at> suse.de>
++ *
++ *
++ * This program is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU General Public License version
++ * 2 as published by the Free Software Foundation.
++ *
++ * Version history:
++ Version 1.03 (Lloyd):
++ Included support for DTR control and enhanced buffering (should help
++ speed).
++ */
++
++#include <linux/config.h>
++#include <linux/kernel.h>
++#include <linux/init.h>
++#include <linux/slab.h>
++#include <linux/tty.h>
++#include <linux/tty_driver.h>
++#include <linux/tty_flip.h>
++#include <linux/module.h>
++#include <linux/usb.h>
++#include <linux/mm.h>
++#include <asm/uaccess.h>
++#include <linux/errno.h>
++#include <linux/list.h>
++#include <linux/spinlock.h>
++#include <linux/smp_lock.h>
++
++#ifdef CONFIG_USB_SERIAL_DEBUG
++ static int debug = 1;
++#else
++ static int debug;
++#endif
++
++#include "usb-serial.h"
++#include "sierra.h"
++#if defined(CONFIG_USB_SERIAL_PL2303) || defined(CONFIG_USB_SERIAL_PL2303_MODULE)
++#include "pl2303.h" // see /* BEGIN HORRIBLE HACK FOR PL2303 */ below
++#endif
++
++#define DRIVER_VERSION "v1.03"
++
++#if 0
++#define USB_VENDER_REQUEST_SET_DEVICE_POWER_STATE 0
++
++#define USB_DEVICE_POWER_STATE_D0 0x0000
++#define USB_DEVICE_POWER_STATE_D1 0x0001
++#define USB_DEVICE_POWER_STATE_D2 0x0002
++#define USB_DEVICE_POWER_STATE_D3 0x0003
++
++#define SET_CONTROL_LINE_STATE 0x22
++/*
++ * Output control lines.
++ */
++
++#define ACM_CTRL_DTR 0x01
++#define ACM_CTRL_RTS 0x02
++#endif
++
++//static int sw_attach(struct usb_serial *serial);
++static void sw_usb_serial_generic_shutdown(struct usb_serial *serial);
++
++static int sw_usb_serial_generic_open(struct usb_serial_port *port, struct file *filp);
++static void sw_usb_serial_generic_close(struct usb_serial_port *port, struct file *filp);
++
++#if 1
++/*-----------------------------------------------------------*/
++static int serial_refcount;
++static struct tty_driver serial_tty_driver;
++static struct tty_struct * serial_tty[SERIAL_TTY_MINORS];
++static struct termios * serial_termios[SERIAL_TTY_MINORS];
++static struct termios * serial_termios_locked[SERIAL_TTY_MINORS];
++static struct usb_serial *serial_table[SERIAL_TTY_MINORS]; /* initially all NULL */
++
++static LIST_HEAD(usb_serial_driver_list);
++static struct usb_serial *get_free_serial (int num_ports, int *minor);
++static void generic_write_bulk_callback (struct urb *urb);
++static void * usb_serial_probe(struct usb_device *dev, unsigned int ifnum,const struct usb_device_id *id);
++static void usb_serial_disconnect(struct usb_device *dev, void *ptr);
++static void sw_usb_serial_generic_read_bulk_callback (struct urb *urb);
++static void port_softint(void *private);
++static void return_serial (struct usb_serial *serial);
++static struct usb_serial *get_free_serial (int num_ports, int *minor);
++static int serial_read_proc (char *page, char **start, off_t off, int count, int *eof, void *data);
++/*-----------------------------------------------------------*/
++
++#endif
++
++
++static struct usb_device_id id_table [] = {
++ { USB_DEVICE(0x1199, 0x0017) }, /* Sierra Wireless EM5625 */
++ { USB_DEVICE(0x1199, 0x0018) }, /* Sierra Wireless MC5720 */
++ { USB_DEVICE(0x1199, 0x0218) }, /* Sierra Wireless MC5720 */
++ { USB_DEVICE(0x0f30, 0x1b1d) }, /* Sierra Wireless MC5720 */
++ { USB_DEVICE(0x1199, 0x0020) }, /* Sierra Wireless MC5725 */
++ { USB_DEVICE(0x1199, 0x0220) }, /* Sierra Wireless MC5725 */
++ { USB_DEVICE(0x1199, 0x0019) }, /* Sierra Wireless AirCard 595 */
++ { USB_DEVICE(0x1199, 0x0021) }, /* Sierra Wireless AirCard 597E */
++ { USB_DEVICE(0x1199, 0x0120) }, /* Sierra Wireless USB Dongle 595U */
++ { USB_DEVICE(0x1199, 0x0023) }, /* Sierra Wireless C597 */
++
++ { USB_DEVICE(0x1199, 0x6802) }, /* Sierra Wireless MC8755 */
++ { USB_DEVICE(0x1199, 0x6804) }, /* Sierra Wireless MC8755 */
++ { USB_DEVICE(0x1199, 0x6803) }, /* Sierra Wireless MC8765 */
++ { USB_DEVICE(0x1199, 0x6812) }, /* Sierra Wireless MC8775 & AC 875U */
++ { USB_DEVICE(0x1199, 0x6813) }, /* Sierra Wireless MC8775 (Thinkpad internal) */
++ { USB_DEVICE(0x1199, 0x6815) }, /* Sierra Wireless MC8775 */
++ { USB_DEVICE(0x03f0, 0x1e1d) }, /* HP hs2300 a.k.a MC8775 */
++ { USB_DEVICE(0x1199, 0x6820) }, /* Sierra Wireless AirCard 875 */
++ { USB_DEVICE(0x1199, 0x6821) }, /* Sierra Wireless AirCard 875U */
++ { USB_DEVICE(0x1199, 0x6832) }, /* Sierra Wireless MC8780*/
++ { USB_DEVICE(0x1199, 0x6833) }, /* Sierra Wireless MC8781*/
++ { USB_DEVICE(0x1199, 0x683B) }, /* Sierra Wireless MC8785 Composite*/
++ { USB_DEVICE(0x1199, 0x6850) }, /* Sierra Wireless AirCard 880 */
++ { USB_DEVICE(0x1199, 0x6851) }, /* Sierra Wireless AirCard 881 */
++ { USB_DEVICE(0x1199, 0x6852) }, /* Sierra Wireless AirCard 880 E */
++ { USB_DEVICE(0x1199, 0x6853) }, /* Sierra Wireless AirCard 881 E */
++ { USB_DEVICE(0x1199, 0x6855) }, /* Sierra Wireless AirCard 880 U */
++ { USB_DEVICE(0x1199, 0x6856) }, /* Sierra Wireless AirCard 881 U */
++ { USB_DEVICE(0x1199, 0x6859) }, /* Sierra Wireless AirCard 885 E */
++ { USB_DEVICE(0x1199, 0x685A) }, /* Sierra Wireless AirCard 885 E */
++
++ { USB_DEVICE(0x1199, 0x6468) }, /* Sierra Wireless MP3G - EVDO */
++ { USB_DEVICE(0x1199, 0x6469) }, /* Sierra Wireless MP3G - UMTS/HSPA */
++
++ { USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless AirCard 580 */
++ { USB_DEVICE(0x0F3D, 0x0112) }, /* AirPrime/Sierra Wireless PC 5220 */
++ { USB_DEVICE(0x05C6, 0x6613) }, /* Onda H600/ZTE MF330 */
++ { }
++};
++
++MODULE_DEVICE_TABLE(usb, id_table);
++
++static struct usb_driver sierra_driver = {
++// .owner = THIS_MODULE,
++ .name = "Sierra wireless",
++ .probe = usb_serial_probe,
++ .disconnect = usb_serial_disconnect,
++ .id_table = id_table,
++};
++
++static struct usb_serial_device_type sierra_device = {
++// .driver = {
++ .owner = THIS_MODULE,
++ .name = "Sierra Wireless",
++// },
++ .id_table = id_table,
++ .num_interrupt_in = NUM_DONT_CARE,
++ .num_bulk_in = NUM_DONT_CARE,
++ .num_bulk_out = NUM_DONT_CARE,
++ .num_ports = 3,
++ //.startup = sw_attach,
++ .shutdown = sw_usb_serial_generic_shutdown,
++ .open = sw_usb_serial_generic_open,
++ .close = sw_usb_serial_generic_close,
++};
++
++#define MAX_NUM_PORTS 8
++
++/* local function prototypes */
++static int serial_open (struct tty_struct *tty, struct file * filp);
++static void serial_close (struct tty_struct *tty, struct file * filp);
++static int serial_write (struct tty_struct * tty, int from_user, const unsigned char *buf, int count);
++static int serial_write_room (struct tty_struct *tty);
++static int serial_chars_in_buffer (struct tty_struct *tty);
++static void serial_throttle (struct tty_struct * tty);
++static void serial_unthrottle (struct tty_struct * tty);
++static int serial_ioctl (struct tty_struct *tty, struct file * file, unsigned int cmd, unsigned long arg);
++static void serial_set_termios (struct tty_struct *tty, struct termios * old);
++//static void serial_shutdown (struct usb_serial *serial);
++static void serial_break (struct tty_struct *tty, int break_state);
++static int generic_write (struct usb_serial_port *port, int from_user, const unsigned char *buf, int count);
++static int generic_write_room (struct usb_serial_port *port);
++static void generic_cleanup (struct usb_serial_port *port);
++static int generic_chars_in_buffer (struct usb_serial_port *port);
++//static void generic_shutdown (struct usb_serial *serial);
++
++#if 1
++static struct tty_driver serial_tty_driver = {
++ .magic = TTY_DRIVER_MAGIC,
++ .driver_name = "usb-serial",
++#ifndef CONFIG_DEVFS_FS
++ .name = "ttyUSB",
++#else
++ .name = "usb/tts/%d",
++#endif
++ .major = SERIAL_TTY_MAJOR,
++ .minor_start = 0,
++ .num = SERIAL_TTY_MINORS,
++ .type = TTY_DRIVER_TYPE_SERIAL,
++ .subtype = SERIAL_TYPE_NORMAL,
++ .flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_NO_DEVFS,
++
++ .refcount = &serial_refcount,
++ .table = serial_tty,
++ .termios = serial_termios,
++ .termios_locked = serial_termios_locked,
++
++ .open = serial_open,
++ .close = serial_close,
++ .write = serial_write,
++ .write_room = serial_write_room,
++ .ioctl = serial_ioctl,
++ .set_termios = serial_set_termios,
++ .throttle = serial_throttle,
++ .unthrottle = serial_unthrottle,
++ .break_ctl = serial_break,
++ .chars_in_buffer = serial_chars_in_buffer,
++ .read_proc = serial_read_proc,
++};
++#endif
++
++
++/*****************************************************************************
++ * Driver tty interface functions
++ *****************************************************************************/
++static struct usb_serial *get_serial_by_minor (unsigned int minor)
++{
++ return serial_table[minor];
++}
++
++static int serial_open (struct tty_struct *tty, struct file * filp)
++{
++ struct usb_serial *serial;
++ struct usb_serial_port *port;
++ unsigned int portNumber;
++ int retval = 0;
++
++ dbg("%s", __FUNCTION__);
++
++ /* initialize the pointer incase something fails */
++ tty->driver_data = NULL;
++
++ /* get the serial object associated with this tty pointer */
++ serial = get_serial_by_minor (MINOR(tty->device));
++
++ if (serial_paranoia_check (serial, __FUNCTION__))
++ return -ENODEV;
++
++ /* set up our port structure making the tty driver remember our port object, and us it */
++ portNumber = MINOR(tty->device) - serial->minor;
++ port = &serial->port[portNumber];
++ tty->driver_data = port;
++
++ down (&port->sem);
++ port->tty = tty;
++
++ /* lock this module before we call it */
++ if (serial->type->owner)
++ __MOD_INC_USE_COUNT(serial->type->owner);
++
++ ++port->open_count;
++ if (port->open_count == 1) {
++ /* only call the device specific open if this
++ * is the first time the port is opened */
++ if (serial->type->open)
++ retval = serial->type->open(port, filp);
++ else
++ retval = sw_usb_serial_generic_open(port, filp);//@.@
++ }
++
++ if (retval) {
++ port->open_count = 0;
++ if (serial->type->owner)
++ __MOD_DEC_USE_COUNT(serial->type->owner);
++ }
++
++ up (&port->sem);
++ return retval;
++}
++
++static void __serial_close(struct usb_serial_port *port, struct file *filp)
++{
++ if (!port->open_count) {
++ dbg ("%s - port not opened", __FUNCTION__);
++ return;
++ }
++
++ --port->open_count;
++ if (port->open_count <= 0) {
++ /* only call the device specific close if this
++ * port is being closed by the last owner */
++ if (port->serial->type->close)
++ port->serial->type->close(port, filp);
++ else
++ //generic_close(port, filp);
++ sw_usb_serial_generic_close(port, filp);
++ port->open_count = 0;
++ }
++
++ if (port->serial->type->owner)
++ __MOD_DEC_USE_COUNT(port->serial->type->owner);
++}
++
++static void serial_close(struct tty_struct *tty, struct file * filp)
++{
++ struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
++ struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
++
++ if (!serial)
++ return;
++
++ down (&port->sem);
++
++ dbg("%s - port %d", __FUNCTION__, port->number);
++
++ /* if disconnect beat us to the punch here, there's nothing to do */
++ if (tty->driver_data) {
++ __serial_close(port, filp);
++ }
++
++ up (&port->sem);
++}
++
++static int serial_write (struct tty_struct * tty, int from_user, const unsigned char *buf, int count)
++{
++ struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
++ struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
++ int retval = -EINVAL;
++
++ if (!serial)
++ return -ENODEV;
++
++ down (&port->sem);
++
++ dbg("%s - port %d, %d byte(s)", __FUNCTION__, port->number, count);
++
++ if (!port->open_count) {
++ dbg("%s - port not opened", __FUNCTION__);
++ goto exit;
++ }
++
++ /* pass on to the driver specific version of this function if it is available */
++ if (serial->type->write)
++ retval = serial->type->write(port, from_user, buf, count);
++ else
++ retval = generic_write(port, from_user, buf, count);
++
++exit:
++ up (&port->sem);
++ return retval;
++}
++
++static int serial_write_room (struct tty_struct *tty)
++{
++ struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
++ struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
++ int retval = -EINVAL;
++
++ if (!serial)
++ return -ENODEV;
++
++ down (&port->sem);
++
++ dbg("%s - port %d", __FUNCTION__, port->number);
++
++ if (!port->open_count) {
++ dbg("%s - port not open", __FUNCTION__);
++ goto exit;
++ }
++
++ /* pass on to the driver specific version of this function if it is available */
++ if (serial->type->write_room)
++ retval = serial->type->write_room(port);
++ else
++ retval = generic_write_room(port);
++
++exit:
++ up (&port->sem);
++ return retval;
++}
++
++static int serial_chars_in_buffer (struct tty_struct *tty)
++{
++ struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
++ struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
++ int retval = -EINVAL;
++
++ if (!serial)
++ return -ENODEV;
++
++ down (&port->sem);
++
++ dbg("%s = port %d", __FUNCTION__, port->number);
++
++ if (!port->open_count) {
++ dbg("%s - port not open", __FUNCTION__);
++ goto exit;
++ }
++
++ /* pass on to the driver specific version of this function if it is available */
++ if (serial->type->chars_in_buffer)
++ retval = serial->type->chars_in_buffer(port);
++ else
++ retval = generic_chars_in_buffer(port);
++
++exit:
++ up (&port->sem);
++ return retval;
++}
++
++static void serial_throttle (struct tty_struct * tty)
++{
++ struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
++ struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
++
++ if (!serial)
++ return;
++
++ down (&port->sem);
++
++ dbg("%s - port %d", __FUNCTION__, port->number);
++
++ if (!port->open_count) {
++ dbg ("%s - port not open", __FUNCTION__);
++ goto exit;
++ }
++
++ /* pass on to the driver specific version of this function */
++ if (serial->type->throttle)
++ serial->type->throttle(port);
++
++exit:
++ up (&port->sem);
++}
++
++static void serial_unthrottle (struct tty_struct * tty)
++{
++ struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
++ struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
++
++ if (!serial)
++ return;
++
++ down (&port->sem);
++
++ dbg("%s - port %d", __FUNCTION__, port->number);
++
++ if (!port->open_count) {
++ dbg("%s - port not open", __FUNCTION__);
++ goto exit;
++ }
++
++ /* pass on to the driver specific version of this function */
++ if (serial->type->unthrottle)
++ serial->type->unthrottle(port);
++
++exit:
++ up (&port->sem);
++}
++
++static int serial_ioctl (struct tty_struct *tty, struct file * file, unsigned int cmd, unsigned long arg)
++{
++ struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
++ struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
++ int retval = -ENODEV;
++
++ if (!serial)
++ return -ENODEV;
++
++ down (&port->sem);
++
++ dbg("%s - port %d, cmd 0x%.4x", __FUNCTION__, port->number, cmd);
++
++ if (!port->open_count) {
++ dbg ("%s - port not open", __FUNCTION__);
++ goto exit;
++ }
++
++ /* pass on to the driver specific version of this function if it is available */
++ if (serial->type->ioctl)
++ retval = serial->type->ioctl(port, file, cmd, arg);
++ else
++ retval = -ENOIOCTLCMD;
++
++exit:
++ up (&port->sem);
++ return retval;
++}
++
++static void serial_set_termios (struct tty_struct *tty, struct termios * old)
++{
++ struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
++ struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
++
++ if (!serial)
++ return;
++
++ down (&port->sem);
++
++ dbg("%s - port %d", __FUNCTION__, port->number);
++
++ if (!port->open_count) {
++ dbg("%s - port not open", __FUNCTION__);
++ goto exit;
++ }
++
++ /* pass on to the driver specific version of this function if it is available */
++ if (serial->type->set_termios)
++ serial->type->set_termios(port, old);
++
++exit:
++ up (&port->sem);
++}
++
++static void serial_break (struct tty_struct *tty, int break_state)
++{
++ struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
++ struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
++
++ if (!serial)
++ return;
++
++ down (&port->sem);
++
++ dbg("%s - port %d", __FUNCTION__, port->number);
++
++ if (!port->open_count) {
++ dbg("%s - port not open", __FUNCTION__);
++ goto exit;
++ }
++
++ /* pass on to the driver specific version of this function if it is available */
++ if (serial->type->break_ctl)
++ serial->type->break_ctl(port, break_state);
++
++exit:
++ up (&port->sem);
++}
++#if 0
++static void serial_shutdown (struct usb_serial *serial)
++{
++ dbg ("%s", __FUNCTION__);
++
++ if (serial->type->shutdown)
++ serial->type->shutdown(serial);
++ else
++ generic_shutdown(serial);
++}
++#endif
++static int serial_read_proc (char *page, char **start, off_t off, int count, int *eof, void *data)
++{
++ struct usb_serial *serial;
++ int length = 0;
++ int i;
++ off_t begin = 0;
++ char tmp[40];
++
++ dbg("%s", __FUNCTION__);
++ length += sprintf (page, "usbserinfo:1.0 driver:%s\n", DRIVER_VERSION);
++ for (i = 0; i < SERIAL_TTY_MINORS && length < PAGE_SIZE; ++i) {
++ serial = get_serial_by_minor(i);
++ if (serial == NULL)
++ continue;
++
++ length += sprintf (page+length, "%d:", i);
++ if (serial->type->owner)
++ length += sprintf (page+length, " module:%s", serial->type->owner->name);
++ length += sprintf (page+length, " name:\"%s\"", serial->type->name);
++ length += sprintf (page+length, " vendor:%04x product:%04x", serial->vendor, serial->product);
++ length += sprintf (page+length, " num_ports:%d", serial->num_ports);
++ length += sprintf (page+length, " port:%d", i - serial->minor + 1);
++
++ usb_make_path(serial->dev, tmp, sizeof(tmp));
++ length += sprintf (page+length, " path:%s", tmp);
++
++ length += sprintf (page+length, "\n");
++ if ((length + begin) > (off + count))
++ goto done;
++ if ((length + begin) < off) {
++ begin += length;
++ length = 0;
++ }
++ }
++ *eof = 1;
++done:
++ if (off >= (length + begin))
++ return 0;
++ *start = page + (off-begin);
++ return ((count < begin+length-off) ? count : begin+length-off);
++}
++
++
++/*-----------------------------------------------------------*/
++static int generic_write (struct usb_serial_port *port, int from_user, const unsigned char *buf, int count)
++{
++ struct usb_serial *serial = port->serial;
++ int result;
++
++ dbg("%s - port %d", __FUNCTION__, port->number);
++
++ if (count == 0) {
++ dbg("%s - write request of 0 bytes", __FUNCTION__);
++ return (0);
++ }
++
++ /* only do something if we have a bulk out endpoint */
++ if (serial->num_bulk_out) {
++ if (port->write_urb->status == -EINPROGRESS) {
++ dbg("%s - already writing", __FUNCTION__);
++ return (0);
++ }
++
++ count = (count > port->bulk_out_size) ? port->bulk_out_size : count;
++
++ if (from_user) {
++ if (copy_from_user(port->write_urb->transfer_buffer, buf, count))
++ return -EFAULT;
++ }
++ else {
++ memcpy (port->write_urb->transfer_buffer, buf, count);
++ }
++
++ usb_serial_debug_data (__FILE__, __FUNCTION__, count, port->write_urb->transfer_buffer);
++
++ /* set up our urb */
++ usb_fill_bulk_urb (port->write_urb, serial->dev,
++ usb_sndbulkpipe (serial->dev,
++ port->bulk_out_endpointAddress),
++ port->write_urb->transfer_buffer, count,
++ ((serial->type->write_bulk_callback) ?
++ serial->type->write_bulk_callback :
++ generic_write_bulk_callback), port);
++
++ /* send the data out the bulk port */
++ result = usb_submit_urb(port->write_urb);
++ if (result)
++ err("%s - failed submitting write urb, error %d", __FUNCTION__, result);
++ else
++ result = count;
++
++ return result;
++ }
++
++ /* no bulk out, so return 0 bytes written */
++ return (0);
++}
++
++static int generic_write_room (struct usb_serial_port *port)
++{
++ struct usb_serial *serial = port->serial;
++ int room = 0;
++
++ dbg("%s - port %d", __FUNCTION__, port->number);
++
++ if (serial->num_bulk_out) {
++ if (port->write_urb->status != -EINPROGRESS)
++ room = port->bulk_out_size;
++ }
++
++ dbg("%s - returns %d", __FUNCTION__, room);
++ return (room);
++}
++
++static int generic_chars_in_buffer (struct usb_serial_port *port)
++{
++ struct usb_serial *serial = port->serial;
++ int chars = 0;
++
++ dbg("%s - port %d", __FUNCTION__, port->number);
++
++ if (serial->num_bulk_out) {
++ if (port->write_urb->status == -EINPROGRESS)
++ chars = port->write_urb->transfer_buffer_length;
++ }
++
++ dbg("%s - returns %d", __FUNCTION__, chars);
++ return (chars);
++}
++#if 0
++static void generic_shutdown (struct usb_serial *serial)
++{
++ int i;
++
++ dbg("%s", __FUNCTION__);
++
++ /* stop reads and writes on all ports */
++ for (i=0; i < serial->num_ports; ++i) {
++ generic_cleanup (&serial->port[i]);
++ }
++}
++static void generic_cleanup (struct usb_serial_port *port)
++{
++ struct usb_serial *serial = port->serial;
++
++ dbg("%s - port %d", __FUNCTION__, port->number);
++
++ if (serial->dev) {
++ /* shutdown any bulk reads that might be going on */
++ if (serial->num_bulk_out)
++ usb_unlink_urb (port->write_urb);
++ if (serial->num_bulk_in)
++ usb_unlink_urb (port->read_urb);
++ }
++}
++#endif
++/*----------------------------------------------------------*/
++static void generic_write_bulk_callback (struct urb *urb)
++{
++ struct usb_serial_port *port = (struct usb_serial_port *)urb->context;
++ struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
++
++ dbg("%s - port %d", __FUNCTION__, port->number);
++
++ if (!serial) {
++ dbg("%s - bad serial pointer, exiting", __FUNCTION__);
++ return;
++ }
++
++ if (urb->status) {
++ dbg("%s - nonzero write bulk status received: %d", __FUNCTION__, urb->status);
++ return;
++ }
++
++ queue_task(&port->tqueue, &tq_immediate);
++ mark_bh(IMMEDIATE_BH);
++
++ return;
++}
++
++static struct usb_serial *get_free_serial (int num_ports, int *minor)
++{
++ struct usb_serial *serial = NULL;
++ int i, j;
++ int good_spot;
++
++ dbg("%s %d", __FUNCTION__, num_ports);
++
++ *minor = 0;
++ for (i = 0; i < SERIAL_TTY_MINORS; ++i) {
++ if (serial_table[i])
++ continue;
++
++ good_spot = 1;
++ for (j = 1; j <= num_ports-1; ++j)
++ if (serial_table[i+j])
++ good_spot = 0;
++ if (good_spot == 0)
++ continue;
++
++ if (!(serial = kmalloc(sizeof(struct usb_serial), GFP_KERNEL))) {
++ err("%s - Out of memory", __FUNCTION__);
++ return NULL;
++ }
++ memset(serial, 0, sizeof(struct usb_serial));
++ serial->magic = USB_SERIAL_MAGIC;
++ serial_table[i] = serial;
++ *minor = i;
++ dbg("%s - minor base = %d", __FUNCTION__, *minor);
++ for (i = *minor+1; (i < (*minor + num_ports)) && (i < SERIAL_TTY_MINORS); ++i)
++ serial_table[i] = serial;
++ return serial;
++ }
++ return NULL;
++}
++
++static void return_serial (struct usb_serial *serial)
++{
++ int i;
++
++ dbg("%s", __FUNCTION__);
++
++ if (serial == NULL)
++ return;
++
++ for (i = 0; i < serial->num_ports; ++i) {
++ serial_table[serial->minor + i] = NULL;
++ }
++
++ return;
++}
++
++static void port_softint(void *private)
++{
++ struct usb_serial_port *port = (struct usb_serial_port *)private;
++ struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
++ struct tty_struct *tty;
++
++ dbg("%s - port %d", __FUNCTION__, port->number);
++
++ if (!serial)
++ return;
++
++ tty = port->tty;
++ if (!tty)
++ return;
++
++ if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) && tty->ldisc.write_wakeup) {
++ dbg("%s - write wakeup call.", __FUNCTION__);
++ (tty->ldisc.write_wakeup)(tty);
++ }
++
++ wake_up_interruptible(&tty->write_wait);
++}
++
++
++static void * usb_serial_probe(struct usb_device *dev, unsigned int ifnum,
++ const struct usb_device_id *id)
++{
++ struct usb_serial *serial = NULL;
++ struct usb_serial_port *port;
++ struct usb_interface *interface;
++ struct usb_interface_descriptor *iface_desc;
++ struct usb_endpoint_descriptor *endpoint;
++ struct usb_endpoint_descriptor *interrupt_in_endpoint[MAX_NUM_PORTS];
++ struct usb_endpoint_descriptor *bulk_in_endpoint[MAX_NUM_PORTS];
++ struct usb_endpoint_descriptor *bulk_out_endpoint[MAX_NUM_PORTS];
++ struct usb_serial_device_type *type = NULL;
++ struct list_head *tmp;
++ int found;
++ int minor;
++ int buffer_size;
++ int i;
++ int num_interrupt_in = 0;
++ int num_bulk_in = 0;
++ int num_bulk_out = 0;
++ int num_ports;
++ int max_endpoints;
++ const struct usb_device_id *id_pattern = NULL;
++
++ /* loop through our list of known serial converters, and see if this
++ device matches. */
++ found = 0;
++ interface = &dev->actconfig->interface[ifnum];
++ list_for_each (tmp, &usb_serial_driver_list) {
++ type = list_entry(tmp, struct usb_serial_device_type, driver_list);
++ id_pattern = usb_match_id(dev, interface, type->id_table);
++ if (id_pattern != NULL) {
++ dbg("descriptor matches");
++ found = 1;
++ break;
++ }
++ }
++ if (!found) {
++ /* no match */
++ dbg("none matched");
++ return(NULL);
++ }
++ /* descriptor matches, let's find the endpoints needed */
++ /* check out the endpoints */
++ iface_desc = &interface->altsetting[0];
++ for (i = 0; i < iface_desc->bNumEndpoints; ++i) {
++ endpoint = &iface_desc->endpoint[i];
++
++ if ((endpoint->bEndpointAddress & 0x80) &&
++ ((endpoint->bmAttributes & 3) == 0x02)) {
++ /* we found a bulk in endpoint */
++ dbg("found bulk in");
++ bulk_in_endpoint[num_bulk_in] = endpoint;
++ ++num_bulk_in;
++ }
++
++ if (((endpoint->bEndpointAddress & 0x80) == 0x00) &&
++ ((endpoint->bmAttributes & 3) == 0x02)) {
++ /* we found a bulk out endpoint */
++ dbg("found bulk out");
++ bulk_out_endpoint[num_bulk_out] = endpoint;
++ ++num_bulk_out;
++ }
++
++ if ((endpoint->bEndpointAddress & 0x80) &&
++ ((endpoint->bmAttributes & 3) == 0x03)) {
++ /* we found a interrupt in endpoint */
++ dbg("found interrupt in");
++ interrupt_in_endpoint[num_interrupt_in] = endpoint;
++ ++num_interrupt_in;
++ }
++ }
++
++#if defined(CONFIG_USB_SERIAL_PL2303) || defined(CONFIG_USB_SERIAL_PL2303_MODULE)
++ /* BEGIN HORRIBLE HACK FOR PL2303 */
++ /* this is needed due to the looney way its endpoints are set up */
++ if (((dev->descriptor.idVendor == PL2303_VENDOR_ID) &&
++ (dev->descriptor.idProduct == PL2303_PRODUCT_ID)) ||
++ ((dev->descriptor.idVendor == ATEN_VENDOR_ID) &&
++ (dev->descriptor.idProduct == ATEN_PRODUCT_ID))) {
++ if (ifnum == 1) {
++ /* check out the endpoints of the other interface*/
++ interface = &dev->actconfig->interface[ifnum ^ 1];
++ iface_desc = &interface->altsetting[0];
++ for (i = 0; i < iface_desc->bNumEndpoints; ++i) {
++ endpoint = &iface_desc->endpoint[i];
++ if ((endpoint->bEndpointAddress & 0x80) &&
++ ((endpoint->bmAttributes & 3) == 0x03)) {
++ /* we found a interrupt in endpoint */
++ dbg("found interrupt in for Prolific device on separate interface");
++ interrupt_in_endpoint[num_interrupt_in] = endpoint;
++ ++num_interrupt_in;
++ }
++ }
++ }
++
++ /* Now make sure the PL-2303 is configured correctly.
++ * If not, give up now and hope this hack will work
++ * properly during a later invocation of usb_serial_probe
++ */
++ if (num_bulk_in == 0 || num_bulk_out == 0) {
++ info("PL-2303 hack: descriptors matched but endpoints did not");
++ return NULL;
++ }
++ }
++ /* END HORRIBLE HACK FOR PL2303 */
++#endif
++
++ /* found all that we need */
++ info("%s converter detected", type->name);
++
++#ifdef CONFIG_USB_SERIAL_SIERRAWIRELESS
++ if (type == &sierra_driver) {
++ num_ports = num_bulk_out;
++ if (num_ports == 0) {
++ err("Sierra 3G device with no bulk out, not allowed.");
++ return NULL;
++ }
++ } else
++#endif
++ num_ports = type->num_ports;
++
++ serial = get_free_serial (num_ports, &minor);
++ if (serial == NULL) {
++ err("No more free serial devices");
++ return NULL;
++ }
++
++ serial->dev = dev;
++ serial->type = type;
++ serial->interface = interface;
++ serial->minor = minor;
++ serial->num_ports = num_ports;
++ serial->num_bulk_in = num_bulk_in;
++ serial->num_bulk_out = num_bulk_out;
++ serial->num_interrupt_in = num_interrupt_in;
++ serial->vendor = dev->descriptor.idVendor;
++ serial->product = dev->descriptor.idProduct;
++
++ /* set up the endpoint information */
++ for (i = 0; i < num_bulk_in; ++i) {
++ endpoint = bulk_in_endpoint[i];
++ port = &serial->port[i];
++ port->read_urb = usb_alloc_urb (0);
++ if (!port->read_urb) {
++ err("No free urbs available");
++ goto probe_error;
++ }
++//Amin marked buffer_size = endpoint->wMaxPacketSize;
++// ===> 20060310 Amin modify for improve EVDO and HSDPA Card
++ buffer_size = 2048;
++ printk("KERNEL DEBUG => USBSERIAL.O buffer_size = 2048\n");
++// <=== 20060310 Amin modify for improve EVDO and HSDPA Card
++ port->bulk_in_endpointAddress = endpoint->bEndpointAddress;
++ port->bulk_in_buffer = kmalloc (buffer_size, GFP_KERNEL);
++ if (!port->bulk_in_buffer) {
++ err("Couldn't allocate bulk_in_buffer");
++ goto probe_error;
++ }
++ usb_fill_bulk_urb (port->read_urb, dev,
++ usb_rcvbulkpipe (dev,
++ endpoint->bEndpointAddress),
++ port->bulk_in_buffer, buffer_size,
++ ((serial->type->read_bulk_callback) ?
++ serial->type->read_bulk_callback :
++ sw_usb_serial_generic_read_bulk_callback),
++ port);
++ }
++
++ for (i = 0; i < num_bulk_out; ++i) {
++ endpoint = bulk_out_endpoint[i];
++ port = &serial->port[i];
++ port->write_urb = usb_alloc_urb(0);
++ if (!port->write_urb) {
++ err("No free urbs available");
++ goto probe_error;
++ }
++ buffer_size = endpoint->wMaxPacketSize;
++ port->bulk_out_size = buffer_size;
++ port->bulk_out_endpointAddress = endpoint->bEndpointAddress;
++ port->bulk_out_buffer = kmalloc (buffer_size, GFP_KERNEL);
++ if (!port->bulk_out_buffer) {
++ err("Couldn't allocate bulk_out_buffer");
++ goto probe_error;
++ }
++ usb_fill_bulk_urb (port->write_urb, dev,
++ usb_sndbulkpipe (dev,
++ endpoint->bEndpointAddress),
++ port->bulk_out_buffer, buffer_size,
++ ((serial->type->write_bulk_callback) ?
++ serial->type->write_bulk_callback :
++ generic_write_bulk_callback),
++ port);
++ }
++
++ for (i = 0; i < num_interrupt_in; ++i) {
++ endpoint = interrupt_in_endpoint[i];
++ port = &serial->port[i];
++ port->interrupt_in_urb = usb_alloc_urb(0);
++ if (!port->interrupt_in_urb) {
++ err("No free urbs available");
++ goto probe_error;
++ }
++ buffer_size = endpoint->wMaxPacketSize;
++ port->interrupt_in_endpointAddress = endpoint->bEndpointAddress;
++ port->interrupt_in_buffer = kmalloc (buffer_size, GFP_KERNEL);
++ if (!port->interrupt_in_buffer) {
++ err("Couldn't allocate interrupt_in_buffer");
++ goto probe_error;
++ }
++ usb_fill_int_urb (port->interrupt_in_urb, dev,
++ usb_rcvintpipe (dev,
++ endpoint->bEndpointAddress),
++ port->interrupt_in_buffer, buffer_size,
++ serial->type->read_int_callback, port,
++ endpoint->bInterval);
++ }
++
++ /* initialize some parts of the port structures */
++ /* we don't use num_ports here cauz some devices have more endpoint pairs than ports */
++ max_endpoints = max(num_bulk_in, num_bulk_out);
++ max_endpoints = max(max_endpoints, num_interrupt_in);
++ max_endpoints = max(max_endpoints, (int)serial->num_ports);
++ dbg("%s - setting up %d port structures for this device", __FUNCTION__, max_endpoints);
++ for (i = 0; i < max_endpoints; ++i) {
++ port = &serial->port[i];
++ port->number = i + serial->minor;
++ port->serial = serial;
++ port->magic = USB_SERIAL_PORT_MAGIC;
++ port->tqueue.routine = port_softint;
++ port->tqueue.data = port;
++ init_MUTEX (&port->sem);
++ }
++
++ /* if this device type has a startup function, call it */
++ if (type->startup) {
++ i = type->startup (serial);
++ if (i < 0)
++ goto probe_error;
++ if (i > 0)
++ return serial;
++ }
++
++ /* initialize the devfs nodes for this device and let the user know what ports we are bound to */
++ for (i = 0; i < serial->num_ports; ++i) {
++ tty_register_devfs (&serial_tty_driver, 0, serial->port[i].number);
++ info("%s converter now attached to ttyUSB%d (or usb/tts/%d for devfs)",
++ type->name, serial->port[i].number, serial->port[i].number);
++ }
++
++ return serial; /* success */
++
++
++probe_error:
++ for (i = 0; i < num_bulk_in; ++i) {
++ port = &serial->port[i];
++ if (port->read_urb)
++ usb_free_urb (port->read_urb);
++ if (port->bulk_in_buffer)
++ kfree (port->bulk_in_buffer);
++ }
++ for (i = 0; i < num_bulk_out; ++i) {
++ port = &serial->port[i];
++ if (port->write_urb)
++ usb_free_urb (port->write_urb);
++ if (port->bulk_out_buffer)
++ kfree (port->bulk_out_buffer);
++ }
++ for (i = 0; i < num_interrupt_in; ++i) {
++ port = &serial->port[i];
++ if (port->interrupt_in_urb)
++ usb_free_urb (port->interrupt_in_urb);
++ if (port->interrupt_in_buffer)
++ kfree (port->interrupt_in_buffer);
++ }
++
++ /* return the minor range that this device had */
++ return_serial (serial);
++
++ /* free up any memory that we allocated */
++ kfree (serial);
++ return NULL;
++}
++
++static void usb_serial_disconnect(struct usb_device *dev, void *ptr)
++{
++ struct usb_serial *serial = (struct usb_serial *) ptr;
++ struct usb_serial_port *port;
++ int i;
++
++ dbg ("%s", __FUNCTION__);
++ if (serial) {
++ /* fail all future close/read/write/ioctl/etc calls */
++ for (i = 0; i < serial->num_ports; ++i) {
++ port = &serial->port[i];
++ down (&port->sem);
++ if (port->tty != NULL) {
++ while (port->open_count > 0) {
++ //__serial_close(port, NULL);
++ sw_usb_serial_generic_close(port,NULL);
++ }
++ port->tty->driver_data = NULL;
++ }
++ up (&port->sem);
++ }
++
++ serial->dev = NULL;
++ //serial_shutdown (serial);
++ sw_usb_serial_generic_shutdown(serial);
++
++ for (i = 0; i < serial->num_ports; ++i)
++ serial->port[i].open_count = 0;
++
++ for (i = 0; i < serial->num_bulk_in; ++i) {
++ port = &serial->port[i];
++ if (port->read_urb) {
++ usb_unlink_urb (port->read_urb);
++ usb_free_urb (port->read_urb);
++ }
++ if (port->bulk_in_buffer)
++ kfree (port->bulk_in_buffer);
++ }
++ for (i = 0; i < serial->num_bulk_out; ++i) {
++ port = &serial->port[i];
++ if (port->write_urb) {
++ usb_unlink_urb (port->write_urb);
++ usb_free_urb (port->write_urb);
++ }
++ if (port->bulk_out_buffer)
++ kfree (port->bulk_out_buffer);
++ }
++ for (i = 0; i < serial->num_interrupt_in; ++i) {
++ port = &serial->port[i];
++ if (port->interrupt_in_urb) {
++ usb_unlink_urb (port->interrupt_in_urb);
++ usb_free_urb (port->interrupt_in_urb);
++ }
++ if (port->interrupt_in_buffer)
++ kfree (port->interrupt_in_buffer);
++ }
++
++ for (i = 0; i < serial->num_ports; ++i) {
++ tty_unregister_devfs (&serial_tty_driver, serial->port[i].number);
++ info("%s converter now disconnected from ttyUSB%d", serial->type->name, serial->port[i].number);
++ }
++
++ /* return the minor range that this device had */
++ return_serial (serial);
++
++ /* free up any memory that we allocated */
++ kfree (serial);
++
++ } else {
++ info("device disconnected");
++ }
++
++}
++
++#if 0
++static int sw_attach(struct usb_serial *serial)
++{
++ struct usb_device *hdev = serial->dev;
++ int rc;
++
++ dbg("%s - serial(0x%p)", __FUNCTION__, serial);
++
++ rc = usb_control_msg(
++ hdev,
++ usb_sndctrlpipe(hdev, 0),
++ USB_VENDER_REQUEST_SET_DEVICE_POWER_STATE, /* bRequest */
++ USB_TYPE_VENDOR|USB_RECIP_DEVICE, /* bmRequestType */
++ USB_DEVICE_POWER_STATE_D0, /* wValue */
++ 0, /* wIndex */
++ NULL, /* Data */
++ 0, /* wLength */
++ 1000); /* Timeout */
++
++ err("%s - rc(%d)", __FUNCTION__, rc);
++ return rc;
++}
++#endif
++//void sw_usb_serial_generic_read_bulk_callback (struct urb *urb, struct pt_regs *regs)
++static void sw_usb_serial_generic_read_bulk_callback (struct urb *urb)
++{
++ struct usb_serial_port *port = (struct usb_serial_port *)urb->context;
++ struct usb_serial *serial = port->serial;
++ struct tty_struct *tty;
++ unsigned char *data = urb->transfer_buffer;
++ int result;
++ int i;
++
++ dbg("%s - port %d", __FUNCTION__, port->number);
++
++ if (urb->status) {
++ dbg("%s - nonzero read bulk status received: %d", __FUNCTION__, urb->status);
++ return;
++ }
++
++ //usb_serial_dbg_data(__FILE__, __FUNCTION__, urb->actual_length, data);
++
++ tty = port->tty;
++ if (tty && urb->actual_length) {
++ #if 0
++ tty_buffer_request_room(tty, urb->actual_length);
++ tty_insert_flip_string(tty, data, urb->actual_length);
++ tty_flip_buffer_push(tty);
++ #endif
++ #if 1
++ for (i = 0; i < urb->actual_length ; ++i) {
++ /* if we insert more than TTY_FLIPBUF_SIZE characters, we drop them. */
++ if(tty->flip.count >= TTY_FLIPBUF_SIZE) {
++ tty_flip_buffer_push(tty);
++ }
++ /* this doesn't actually push the data through unless tty->low_latency is set */
++ tty_insert_flip_char(tty, data[i], 0);
++ }
++ tty_flip_buffer_push(tty);
++ #endif
++
++ }
++ else
++ dbg("%s: empty read urb received", __FUNCTION__);
++
++ /* Continue trying to always read */
++ usb_fill_bulk_urb (port->read_urb, serial->dev,
++ usb_rcvbulkpipe (serial->dev,
++ port->bulk_in_endpointAddress),
++ port->read_urb->transfer_buffer,
++ port->read_urb->transfer_buffer_length,
++ ((serial->type->read_bulk_callback) ?
++ serial->type->read_bulk_callback :
++ sw_usb_serial_generic_read_bulk_callback), port);
++ result = usb_submit_urb(port->read_urb);
++ //result = usb_submit_urb(port->read_urb, GFP_ATOMIC); //for kernel 2.6
++ if (result)
++ dbg("%s - failed resubmitting read urb, error %d\n", __FUNCTION__, result);
++}
++#if 1
++static int generic_open (struct usb_serial_port *port, struct file *filp)
++{
++ struct usb_serial *serial = port->serial;
++ int result = 0;
++
++ dbg("%s - port %d", __FUNCTION__, port->number);
++
++ /* force low_latency on so that our tty_push actually forces the data through,
++ otherwise it is scheduled, and with high data rates (like with OHCI) data
++ can get lost. */
++ if (port->tty)
++ port->tty->low_latency = 1;
++
++ /* if we have a bulk interrupt, start reading from it */
++ if (serial->num_bulk_in) {
++ /* Start reading from the device */
++ usb_fill_bulk_urb (port->read_urb, serial->dev,
++ usb_rcvbulkpipe(serial->dev, port->bulk_in_endpointAddress),
++ port->read_urb->transfer_buffer,
++ port->read_urb->transfer_buffer_length,
++ ((serial->type->read_bulk_callback) ?
++ serial->type->read_bulk_callback :
++ sw_usb_serial_generic_read_bulk_callback),
++ port);
++ result = usb_submit_urb(port->read_urb); //, GFP_KERNEL);
++ if (result)
++ //dev_err(&port->dev, "%s - failed resubmitting read urb, error %d\n", __FUNCTION__, result);
++ dbg("%s - failed resubmitting read urb, error %d\n", __FUNCTION__, result);
++
++ }
++
++ return result;
++}
++#endif
++int sw_usb_serial_generic_open (struct usb_serial_port *port, struct file *filp)
++{
++ int rc;
++ struct usb_serial *serial = port->serial;
++ struct usb_device *hdev = serial->dev;
++
++ dbg("%s - port %d", __FUNCTION__, port->number);
++
++ rc = generic_open(port, filp);
++ err("%s - rc(%d)", __FUNCTION__, rc);
++
++ if(0 == rc)
++ {
++ rc = usb_control_msg(
++ hdev,
++ usb_sndctrlpipe(hdev, 0),
++ SET_CONTROL_LINE_STATE, /* bRequest */
++ USB_TYPE_CLASS|USB_RECIP_INTERFACE, /* bmRequestType */
++ ACM_CTRL_DTR|ACM_CTRL_RTS, /* wValue */
++ 0, /* wIndex */
++ NULL, /* Data */
++ 0, /* wLength */
++ 1000); /* Timeout */
++ err("%s - usb_control_msg: rc(%d)", __FUNCTION__, rc);
++ }
++
++ return rc;
++}
++
++static void generic_cleanup (struct usb_serial_port *port)
++{
++ struct usb_serial *serial = port->serial;
++
++ dbg("%s - port %d", __FUNCTION__, port->number);
++
++ if (serial->dev) {
++ /* shutdown any bulk reads that might be going on */
++ if (serial->num_bulk_out)
++ usb_unlink_urb(port->write_urb);
++ //usb_kill_urb(port->write_urb);
++ if (serial->num_bulk_in)
++ usb_unlink_urb(port->read_urb);
++ //usb_kill_urb(port->read_urb);
++ }
++}
++
++static void sw_usb_serial_generic_close (struct usb_serial_port *port, struct file * filp)
++{
++ int rc;
++ struct usb_serial *serial = port->serial;
++ struct usb_device *hdev = serial->dev;
++
++ dbg("%s - port %d", __FUNCTION__, port->number);
++
++ rc = usb_control_msg(
++ hdev,
++ usb_sndctrlpipe(hdev, 0),
++ SET_CONTROL_LINE_STATE, /* bRequest */
++ USB_TYPE_CLASS|USB_RECIP_INTERFACE, /* bmRequestType */
++ 0, /* wValue */
++ 0, /* wIndex */
++ NULL, /* Data */
++ 0, /* wLength */
++ 1000); /* Timeout */
++ err("%s - rc(%d)", __FUNCTION__, rc);
++
++ generic_cleanup (port);
++}
++
++static void sw_usb_serial_generic_shutdown(struct usb_serial *serial)
++{
++ int i, rc;
++ struct usb_device *hdev = serial->dev;
++
++ dbg("%s serial(0x%p)", __FUNCTION__, serial);
++
++ if(hdev)
++ {
++ rc = usb_control_msg(
++ hdev,
++ usb_sndctrlpipe(hdev, 0),
++ USB_VENDER_REQUEST_SET_DEVICE_POWER_STATE, /* bRequest */
++ USB_TYPE_VENDOR|USB_RECIP_DEVICE, /* bmRequestType */
++ USB_DEVICE_POWER_STATE_D3, /* wValue */
++ 0, /* wIndex */
++ NULL, /* Data */
++ 0, /* wLength */
++ 1000); /* Timeout */
++ err("%s - rc(%d)", __FUNCTION__, rc);
++ }
++
++ /* stop reads and writes on all ports */
++ for (i=0; i < serial->num_ports; ++i) {
++ generic_cleanup(&serial->port[i]);
++ }
++}
++int usb_serial_register(struct usb_serial_device_type *new_device)
++{
++ /* Add this device to our list of devices */
++ list_add(&new_device->driver_list, &usb_serial_driver_list);
++
++ info ("USB Serial support registered for %s", new_device->name);
++
++ usb_scan_devices();
++
++ return 0;
++}
++
++
++void usb_serial_deregister(struct usb_serial_device_type *device)
++{
++ struct usb_serial *serial;
++ int i;
++
++ info("USB Serial deregistering driver %s", device->name);
++
++ /* clear out the serial_table if the device is attached to a port */
++ for(i = 0; i < SERIAL_TTY_MINORS; ++i) {
++ serial = serial_table[i];
++ if ((serial != NULL) && (serial->type == device)) {
++ usb_driver_release_interface (&sierra_driver, serial->interface);
++ usb_serial_disconnect (NULL, serial);
++ }
++ }
++
++ list_del(&device->driver_list);
++}
++
++static int __init sierra_init(void)
++{
++ int retval;
++ int i;
++
++ /* Initalize our global data */
++ for (i = 0; i < SERIAL_TTY_MINORS; ++i) {
++ serial_table[i] = NULL;
++ }
++
++ /* register the tty driver */
++ serial_tty_driver.init_termios = tty_std_termios;
++ serial_tty_driver.init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
++ if (tty_register_driver (&serial_tty_driver)) {
++ err("%s - failed to register tty driver", __FUNCTION__);
++ return -1;
++ }
++
++ retval = usb_serial_register(&sierra_device);
++ if (retval)
++ {
++ tty_unregister_driver(&serial_tty_driver);
++ printk("%s return usb_serial_register. retval=[%d].\n",__FUNCTION__, retval);
++ return retval;
++ }
++ retval = usb_register(&sierra_driver);
++ if (retval){
++ usb_serial_deregister(&sierra_device);
++ tty_unregister_driver(&serial_tty_driver);
++ err("usb_register failed for the Sierra 3G USB-Serial driver. Error number %d\n", retval);
++ return -1;
++ }
++
++ return retval;
++}
++
++static void __exit sierra_exit(void)
++{
++ usb_deregister(&sierra_driver);
++ usb_serial_deregister(&sierra_device);
++}
++
++module_init(sierra_init);
++module_exit(sierra_exit);
++MODULE_LICENSE("GPL");
+diff -Naur linux-2.4.35.4-old/drivers/usb/serial/sierra.h linux-2.4.35.4/drivers/usb/serial/sierra.h
+--- linux-2.4.35.4-old/drivers/usb/serial/sierra.h 1969-12-31 17:00:00.000000000 -0700
++++ linux-2.4.35.4/drivers/usb/serial/sierra.h 2008-01-25 10:15:35.640743578 -0700
+@@ -0,0 +1,32 @@
++/*
++ * Sierra Wireless CDMA Wireless Serial USB drive
++ *
++ * Current Copy modified by: Kevin Lloyd <linux@sierrawireless.com>
++ * Original Copy written by: 2005 Greg Kroah-Hartman <gregkh <at> suse.de>
++ *
++ *
++ * This program is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU General Public License version
++ * 2 as published by the Free Software Foundation.
++ *
++ * Version history:
++ Version 1.03 (Lloyd):
++ Included support for DTR control and enhanced buffering (should help
++ speed).
++ */
++
++#define USB_VENDER_REQUEST_SET_DEVICE_POWER_STATE 0
++
++#define USB_DEVICE_POWER_STATE_D0 0x0000
++#define USB_DEVICE_POWER_STATE_D1 0x0001
++#define USB_DEVICE_POWER_STATE_D2 0x0002
++#define USB_DEVICE_POWER_STATE_D3 0x0003
++
++#define SET_CONTROL_LINE_STATE 0x22
++/*
++ * Output control lines.
++ */
++
++#define ACM_CTRL_DTR 0x01
++#define ACM_CTRL_RTS 0x02
++
projects / openwrt.git / blobdiff