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@@ -0,0 +1,1486 @@
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+diff -Naur linux-2.4.35.4-old/drivers/usb/serial/sierra.c linux-2.4.35.4/drivers/usb/serial/sierra.c
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+--- linux-2.4.35.4-old/drivers/usb/serial/sierra.c 1969-12-31 17:00:00.000000000 -0700
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++++ linux-2.4.35.4/drivers/usb/serial/sierra.c 2008-01-25 10:21:25.747868456 -0700
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+@@ -0,0 +1,1446 @@
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++/*
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++ * Sierra Wireless CDMA Wireless Serial USB drive
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++ *
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++ * Current Copy modified by: Kevin Lloyd <[email protected]>
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++ * Original Copy written by: 2005 Greg Kroah-Hartman <gregkh <at> suse.de>
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++ *
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++ *
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++ * This program is free software; you can redistribute it and/or
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++ * modify it under the terms of the GNU General Public License version
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++ * 2 as published by the Free Software Foundation.
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++ *
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++ * Version history:
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++ Version 1.03 (Lloyd):
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++ Included support for DTR control and enhanced buffering (should help
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++ speed).
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++ */
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++
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++#include <linux/config.h>
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++#include <linux/kernel.h>
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++#include <linux/init.h>
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++#include <linux/slab.h>
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++#include <linux/tty.h>
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++#include <linux/tty_driver.h>
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++#include <linux/tty_flip.h>
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++#include <linux/module.h>
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++#include <linux/usb.h>
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++#include <linux/mm.h>
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++#include <asm/uaccess.h>
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++#include <linux/errno.h>
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++#include <linux/list.h>
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++#include <linux/spinlock.h>
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++#include <linux/smp_lock.h>
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++
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++#ifdef CONFIG_USB_SERIAL_DEBUG
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++ static int debug = 1;
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++#else
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++ static int debug;
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++#endif
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++
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++#include "usb-serial.h"
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++#include "sierra.h"
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++#if defined(CONFIG_USB_SERIAL_PL2303) || defined(CONFIG_USB_SERIAL_PL2303_MODULE)
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++#include "pl2303.h" // see /* BEGIN HORRIBLE HACK FOR PL2303 */ below
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++#endif
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++
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++#define DRIVER_VERSION "v1.03"
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++
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++#if 0
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++#define USB_VENDER_REQUEST_SET_DEVICE_POWER_STATE 0
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++
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++#define USB_DEVICE_POWER_STATE_D0 0x0000
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++#define USB_DEVICE_POWER_STATE_D1 0x0001
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++#define USB_DEVICE_POWER_STATE_D2 0x0002
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++#define USB_DEVICE_POWER_STATE_D3 0x0003
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++
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++#define SET_CONTROL_LINE_STATE 0x22
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++/*
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++ * Output control lines.
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++ */
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++
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++#define ACM_CTRL_DTR 0x01
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++#define ACM_CTRL_RTS 0x02
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++#endif
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++
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++//static int sw_attach(struct usb_serial *serial);
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++static void sw_usb_serial_generic_shutdown(struct usb_serial *serial);
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++
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++static int sw_usb_serial_generic_open(struct usb_serial_port *port, struct file *filp);
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++static void sw_usb_serial_generic_close(struct usb_serial_port *port, struct file *filp);
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++
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++#if 1
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++/*-----------------------------------------------------------*/
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++static int serial_refcount;
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++static struct tty_driver serial_tty_driver;
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++static struct tty_struct * serial_tty[SERIAL_TTY_MINORS];
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++static struct termios * serial_termios[SERIAL_TTY_MINORS];
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++static struct termios * serial_termios_locked[SERIAL_TTY_MINORS];
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++static struct usb_serial *serial_table[SERIAL_TTY_MINORS]; /* initially all NULL */
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++
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++static LIST_HEAD(usb_serial_driver_list);
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++static struct usb_serial *get_free_serial (int num_ports, int *minor);
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++static void generic_write_bulk_callback (struct urb *urb);
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++static void * usb_serial_probe(struct usb_device *dev, unsigned int ifnum,const struct usb_device_id *id);
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++static void usb_serial_disconnect(struct usb_device *dev, void *ptr);
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++static void sw_usb_serial_generic_read_bulk_callback (struct urb *urb);
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++static void port_softint(void *private);
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++static void return_serial (struct usb_serial *serial);
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++static struct usb_serial *get_free_serial (int num_ports, int *minor);
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++static int serial_read_proc (char *page, char **start, off_t off, int count, int *eof, void *data);
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++/*-----------------------------------------------------------*/
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++
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++#endif
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++
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++
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++static struct usb_device_id id_table [] = {
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++ { USB_DEVICE(0x1199, 0x0017) }, /* Sierra Wireless EM5625 */
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++ { USB_DEVICE(0x1199, 0x0018) }, /* Sierra Wireless MC5720 */
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++ { USB_DEVICE(0x1199, 0x0218) }, /* Sierra Wireless MC5720 */
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++ { USB_DEVICE(0x0f30, 0x1b1d) }, /* Sierra Wireless MC5720 */
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++ { USB_DEVICE(0x1199, 0x0020) }, /* Sierra Wireless MC5725 */
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++ { USB_DEVICE(0x1199, 0x0220) }, /* Sierra Wireless MC5725 */
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++ { USB_DEVICE(0x1199, 0x0019) }, /* Sierra Wireless AirCard 595 */
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++ { USB_DEVICE(0x1199, 0x0021) }, /* Sierra Wireless AirCard 597E */
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++ { USB_DEVICE(0x1199, 0x0120) }, /* Sierra Wireless USB Dongle 595U */
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++ { USB_DEVICE(0x1199, 0x0023) }, /* Sierra Wireless C597 */
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++
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++ { USB_DEVICE(0x1199, 0x6802) }, /* Sierra Wireless MC8755 */
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++ { USB_DEVICE(0x1199, 0x6804) }, /* Sierra Wireless MC8755 */
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++ { USB_DEVICE(0x1199, 0x6803) }, /* Sierra Wireless MC8765 */
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++ { USB_DEVICE(0x1199, 0x6812) }, /* Sierra Wireless MC8775 & AC 875U */
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++ { USB_DEVICE(0x1199, 0x6813) }, /* Sierra Wireless MC8775 (Thinkpad internal) */
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++ { USB_DEVICE(0x1199, 0x6815) }, /* Sierra Wireless MC8775 */
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++ { USB_DEVICE(0x03f0, 0x1e1d) }, /* HP hs2300 a.k.a MC8775 */
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++ { USB_DEVICE(0x1199, 0x6820) }, /* Sierra Wireless AirCard 875 */
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++ { USB_DEVICE(0x1199, 0x6821) }, /* Sierra Wireless AirCard 875U */
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++ { USB_DEVICE(0x1199, 0x6832) }, /* Sierra Wireless MC8780*/
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++ { USB_DEVICE(0x1199, 0x6833) }, /* Sierra Wireless MC8781*/
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++ { USB_DEVICE(0x1199, 0x683B) }, /* Sierra Wireless MC8785 Composite*/
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++ { USB_DEVICE(0x1199, 0x6850) }, /* Sierra Wireless AirCard 880 */
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++ { USB_DEVICE(0x1199, 0x6851) }, /* Sierra Wireless AirCard 881 */
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++ { USB_DEVICE(0x1199, 0x6852) }, /* Sierra Wireless AirCard 880 E */
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++ { USB_DEVICE(0x1199, 0x6853) }, /* Sierra Wireless AirCard 881 E */
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++ { USB_DEVICE(0x1199, 0x6855) }, /* Sierra Wireless AirCard 880 U */
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++ { USB_DEVICE(0x1199, 0x6856) }, /* Sierra Wireless AirCard 881 U */
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++ { USB_DEVICE(0x1199, 0x6859) }, /* Sierra Wireless AirCard 885 E */
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++ { USB_DEVICE(0x1199, 0x685A) }, /* Sierra Wireless AirCard 885 E */
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++
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++ { USB_DEVICE(0x1199, 0x6468) }, /* Sierra Wireless MP3G - EVDO */
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++ { USB_DEVICE(0x1199, 0x6469) }, /* Sierra Wireless MP3G - UMTS/HSPA */
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++
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++ { USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless AirCard 580 */
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++ { USB_DEVICE(0x0F3D, 0x0112) }, /* AirPrime/Sierra Wireless PC 5220 */
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++ { USB_DEVICE(0x05C6, 0x6613) }, /* Onda H600/ZTE MF330 */
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++ { }
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++};
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++
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++MODULE_DEVICE_TABLE(usb, id_table);
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++
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++static struct usb_driver sierra_driver = {
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++// .owner = THIS_MODULE,
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++ .name = "Sierra wireless",
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++ .probe = usb_serial_probe,
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++ .disconnect = usb_serial_disconnect,
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++ .id_table = id_table,
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++};
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++
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++static struct usb_serial_device_type sierra_device = {
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++// .driver = {
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++ .owner = THIS_MODULE,
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++ .name = "Sierra Wireless",
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++// },
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++ .id_table = id_table,
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++ .num_interrupt_in = NUM_DONT_CARE,
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++ .num_bulk_in = NUM_DONT_CARE,
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++ .num_bulk_out = NUM_DONT_CARE,
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++ .num_ports = 3,
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++ //.startup = sw_attach,
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++ .shutdown = sw_usb_serial_generic_shutdown,
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++ .open = sw_usb_serial_generic_open,
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++ .close = sw_usb_serial_generic_close,
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++};
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++
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++#define MAX_NUM_PORTS 8
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++
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++/* local function prototypes */
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++static int serial_open (struct tty_struct *tty, struct file * filp);
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++static void serial_close (struct tty_struct *tty, struct file * filp);
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++static int serial_write (struct tty_struct * tty, int from_user, const unsigned char *buf, int count);
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++static int serial_write_room (struct tty_struct *tty);
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++static int serial_chars_in_buffer (struct tty_struct *tty);
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++static void serial_throttle (struct tty_struct * tty);
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++static void serial_unthrottle (struct tty_struct * tty);
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++static int serial_ioctl (struct tty_struct *tty, struct file * file, unsigned int cmd, unsigned long arg);
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++static void serial_set_termios (struct tty_struct *tty, struct termios * old);
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++//static void serial_shutdown (struct usb_serial *serial);
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++static void serial_break (struct tty_struct *tty, int break_state);
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++static int generic_write (struct usb_serial_port *port, int from_user, const unsigned char *buf, int count);
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++static int generic_write_room (struct usb_serial_port *port);
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++static void generic_cleanup (struct usb_serial_port *port);
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++static int generic_chars_in_buffer (struct usb_serial_port *port);
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++//static void generic_shutdown (struct usb_serial *serial);
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++
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++#if 1
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++static struct tty_driver serial_tty_driver = {
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++ .magic = TTY_DRIVER_MAGIC,
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++ .driver_name = "usb-serial",
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++#ifndef CONFIG_DEVFS_FS
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++ .name = "ttyUSB",
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++#else
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++ .name = "usb/tts/%d",
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++#endif
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++ .major = SERIAL_TTY_MAJOR,
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++ .minor_start = 0,
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++ .num = SERIAL_TTY_MINORS,
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++ .type = TTY_DRIVER_TYPE_SERIAL,
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++ .subtype = SERIAL_TYPE_NORMAL,
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++ .flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_NO_DEVFS,
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++
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++ .refcount = &serial_refcount,
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++ .table = serial_tty,
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++ .termios = serial_termios,
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++ .termios_locked = serial_termios_locked,
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++
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++ .open = serial_open,
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++ .close = serial_close,
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++ .write = serial_write,
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++ .write_room = serial_write_room,
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++ .ioctl = serial_ioctl,
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++ .set_termios = serial_set_termios,
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++ .throttle = serial_throttle,
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++ .unthrottle = serial_unthrottle,
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++ .break_ctl = serial_break,
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++ .chars_in_buffer = serial_chars_in_buffer,
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++ .read_proc = serial_read_proc,
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++};
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++#endif
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++
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++
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++/*****************************************************************************
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++ * Driver tty interface functions
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++ *****************************************************************************/
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++static struct usb_serial *get_serial_by_minor (unsigned int minor)
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++{
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++ return serial_table[minor];
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++}
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++
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++static int serial_open (struct tty_struct *tty, struct file * filp)
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++{
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++ struct usb_serial *serial;
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++ struct usb_serial_port *port;
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++ unsigned int portNumber;
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++ int retval = 0;
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++
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++ dbg("%s", __FUNCTION__);
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++
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++ /* initialize the pointer incase something fails */
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++ tty->driver_data = NULL;
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++
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++ /* get the serial object associated with this tty pointer */
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++ serial = get_serial_by_minor (MINOR(tty->device));
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++
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++ if (serial_paranoia_check (serial, __FUNCTION__))
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++ return -ENODEV;
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++
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++ /* set up our port structure making the tty driver remember our port object, and us it */
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++ portNumber = MINOR(tty->device) - serial->minor;
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++ port = &serial->port[portNumber];
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++ tty->driver_data = port;
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++
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++ down (&port->sem);
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++ port->tty = tty;
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++
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++ /* lock this module before we call it */
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++ if (serial->type->owner)
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++ __MOD_INC_USE_COUNT(serial->type->owner);
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++
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++ ++port->open_count;
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++ if (port->open_count == 1) {
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++ /* only call the device specific open if this
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++ * is the first time the port is opened */
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++ if (serial->type->open)
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++ retval = serial->type->open(port, filp);
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++ else
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++ retval = sw_usb_serial_generic_open(port, filp);//@.@
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++ }
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++
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++ if (retval) {
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++ port->open_count = 0;
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++ if (serial->type->owner)
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++ __MOD_DEC_USE_COUNT(serial->type->owner);
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++ }
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++
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++ up (&port->sem);
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++ return retval;
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++}
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++
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++static void __serial_close(struct usb_serial_port *port, struct file *filp)
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++{
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++ if (!port->open_count) {
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++ dbg ("%s - port not opened", __FUNCTION__);
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++ return;
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++ }
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++
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++ --port->open_count;
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++ if (port->open_count <= 0) {
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++ /* only call the device specific close if this
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++ * port is being closed by the last owner */
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++ if (port->serial->type->close)
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++ port->serial->type->close(port, filp);
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++ else
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++ //generic_close(port, filp);
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++ sw_usb_serial_generic_close(port, filp);
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++ port->open_count = 0;
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++ }
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++
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++ if (port->serial->type->owner)
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++ __MOD_DEC_USE_COUNT(port->serial->type->owner);
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++}
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++
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++static void serial_close(struct tty_struct *tty, struct file * filp)
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++{
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++ struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
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++ struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
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++
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++ if (!serial)
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++ return;
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++
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++ down (&port->sem);
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++
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++ dbg("%s - port %d", __FUNCTION__, port->number);
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++
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++ /* if disconnect beat us to the punch here, there's nothing to do */
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++ if (tty->driver_data) {
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++ __serial_close(port, filp);
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++ }
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++
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++ up (&port->sem);
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++}
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++
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++static int serial_write (struct tty_struct * tty, int from_user, const unsigned char *buf, int count)
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++{
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++ struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
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++ struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
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++ int retval = -EINVAL;
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++
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++ if (!serial)
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++ return -ENODEV;
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++
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++ down (&port->sem);
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++
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++ dbg("%s - port %d, %d byte(s)", __FUNCTION__, port->number, count);
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++
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++ if (!port->open_count) {
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++ dbg("%s - port not opened", __FUNCTION__);
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++ goto exit;
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++ }
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++
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++ /* pass on to the driver specific version of this function if it is available */
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++ if (serial->type->write)
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++ retval = serial->type->write(port, from_user, buf, count);
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++ else
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++ retval = generic_write(port, from_user, buf, count);
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++
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++exit:
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++ up (&port->sem);
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++ return retval;
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++}
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++
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++static int serial_write_room (struct tty_struct *tty)
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++{
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++ struct usb_serial_port *port = (struct usb_serial_port *) tty->driver_data;
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++ struct usb_serial *serial = get_usb_serial (port, __FUNCTION__);
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++ int retval = -EINVAL;
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++
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++ if (!serial)
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++ return -ENODEV;
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++
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++ down (&port->sem);
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++
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|
|
++ 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 <[email protected]>
|
|
|
++ * 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
|
|
|
++
|
Travis Kemen