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|
/*
USB Driver for GSM modems
Copyright (C) 2005 Matthias Urlichs <smurf@smurf.noris.de>
This driver is free software; you can redistribute it and/or modify
it under the terms of Version 2 of the GNU General Public License as
published by the Free Software Foundation.
Portions copied from the Keyspan driver by Hugh Blemings <hugh@blemings.org>
History: see the git log.
Work sponsored by: Sigos GmbH, Germany <info@sigos.de>
This driver exists because the "normal" serial driver doesn't work too well
with GSM modems. Issues:
- data loss -- one single Receive URB is not nearly enough
- nonstandard flow (Option devices) control
- controlling the baud rate doesn't make sense
This driver is named "option" because the most common device it's
used for is a PC-Card (with an internal OHCI-USB interface, behind
which the GSM interface sits), made by Option Inc.
Some of the "one port" devices actually exhibit multiple USB instances
on the USB bus. This is not a bug, these ports are used for different
device features.
*/
#define DRIVER_VERSION "v0.7.1"
#define DRIVER_AUTHOR "Matthias Urlichs <smurf@smurf.noris.de>"
#define DRIVER_DESC "USB Driver for GSM modems"
#include <linux/kernel.h>
#include <linux/jiffies.h>
#include <linux/errno.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
#include <linux/module.h>
#include <linux/bitops.h>
#include <linux/usb.h>
#include <linux/usb/serial.h>
/* Function prototypes */
static int option_open(struct usb_serial_port *port, struct file *filp);
static void option_close(struct usb_serial_port *port, struct file *filp);
static int option_startup(struct usb_serial *serial);
static void option_shutdown(struct usb_serial *serial);
static void option_rx_throttle(struct usb_serial_port *port);
static void option_rx_unthrottle(struct usb_serial_port *port);
static int option_write_room(struct usb_serial_port *port);
static void option_instat_callback(struct urb *urb);
static int option_write(struct usb_serial_port *port,
const unsigned char *buf, int count);
static int option_chars_in_buffer(struct usb_serial_port *port);
static int option_ioctl(struct usb_serial_port *port, struct file *file,
unsigned int cmd, unsigned long arg);
static void option_set_termios(struct usb_serial_port *port,
struct ktermios *old);
static void option_break_ctl(struct usb_serial_port *port, int break_state);
static int option_tiocmget(struct usb_serial_port *port, struct file *file);
static int option_tiocmset(struct usb_serial_port *port, struct file *file,
unsigned int set, unsigned int clear);
static int option_send_setup(struct usb_serial_port *port);
/* Vendor and product IDs */
#define OPTION_VENDOR_ID 0x0AF0
#define OPTION_PRODUCT_COLT 0x5000
#define OPTION_PRODUCT_RICOLA 0x6000
#define OPTION_PRODUCT_RICOLA_LIGHT 0x6100
#define OPTION_PRODUCT_RICOLA_QUAD 0x6200
#define OPTION_PRODUCT_RICOLA_QUAD_LIGHT 0x6300
#define OPTION_PRODUCT_RICOLA_NDIS 0x6050
#define OPTION_PRODUCT_RICOLA_NDIS_LIGHT 0x6150
#define OPTION_PRODUCT_RICOLA_NDIS_QUAD 0x6250
#define OPTION_PRODUCT_RICOLA_NDIS_QUAD_LIGHT 0x6350
#define OPTION_PRODUCT_COBRA 0x6500
#define OPTION_PRODUCT_COBRA_BUS 0x6501
#define OPTION_PRODUCT_VIPER 0x6600
#define OPTION_PRODUCT_VIPER_BUS 0x6601
#define OPTION_PRODUCT_GT_MAX_READY 0x6701
#define OPTION_PRODUCT_GT_MAX 0x6711
#define OPTION_PRODUCT_FUJI_MODEM_LIGHT 0x6721
#define OPTION_PRODUCT_FUJI_MODEM_GT 0x6741
#define OPTION_PRODUCT_FUJI_MODEM_EX 0x6761
#define OPTION_PRODUCT_FUJI_NETWORK_LIGHT 0x6731
#define OPTION_PRODUCT_FUJI_NETWORK_GT 0x6751
#define OPTION_PRODUCT_FUJI_NETWORK_EX 0x6771
#define OPTION_PRODUCT_KOI_MODEM 0x6800
#define OPTION_PRODUCT_KOI_NETWORK 0x6811
#define OPTION_PRODUCT_SCORPION_MODEM 0x6901
#define OPTION_PRODUCT_SCORPION_NETWORK 0x6911
#define OPTION_PRODUCT_ETNA_MODEM 0x7001
#define OPTION_PRODUCT_ETNA_NETWORK 0x7011
#define OPTION_PRODUCT_ETNA_MODEM_LITE 0x7021
#define OPTION_PRODUCT_ETNA_MODEM_GT 0x7041
#define OPTION_PRODUCT_ETNA_MODEM_EX 0x7061
#define OPTION_PRODUCT_ETNA_NETWORK_LITE 0x7031
#define OPTION_PRODUCT_ETNA_NETWORK_GT 0x7051
#define OPTION_PRODUCT_ETNA_NETWORK_EX 0x7071
#define OPTION_PRODUCT_ETNA_KOI_MODEM 0x7100
#define OPTION_PRODUCT_ETNA_KOI_NETWORK 0x7111
#define HUAWEI_VENDOR_ID 0x12D1
#define HUAWEI_PRODUCT_E600 0x1001
#define HUAWEI_PRODUCT_E220 0x1003
#define HUAWEI_PRODUCT_E220BIS 0x1004
#define HUAWEI_PRODUCT_E1401 0x1401
#define HUAWEI_PRODUCT_E1403 0x1403
#define HUAWEI_PRODUCT_E1405 0x1405
#define HUAWEI_PRODUCT_E1406 0x1406
#define HUAWEI_PRODUCT_E1408 0x1408
#define HUAWEI_PRODUCT_E1409 0x1409
#define HUAWEI_PRODUCT_E1410 0x1410
#define HUAWEI_PRODUCT_E1411 0x1411
#define HUAWEI_PRODUCT_E1412 0x1412
#define HUAWEI_PRODUCT_E1413 0x1413
#define HUAWEI_PRODUCT_E1414 0x1414
#define HUAWEI_PRODUCT_E1415 0x1415
#define HUAWEI_PRODUCT_E1416 0x1416
#define HUAWEI_PRODUCT_E1417 0x1417
#define HUAWEI_PRODUCT_E1418 0x1418
#define HUAWEI_PRODUCT_E1419 0x1419
#define NOVATELWIRELESS_VENDOR_ID 0x1410
/* MERLIN EVDO PRODUCTS */
#define NOVATELWIRELESS_PRODUCT_V640 0x1100
#define NOVATELWIRELESS_PRODUCT_V620 0x1110
#define NOVATELWIRELESS_PRODUCT_V740 0x1120
#define NOVATELWIRELESS_PRODUCT_V720 0x1130
/* MERLIN HSDPA/HSPA PRODUCTS */
#define NOVATELWIRELESS_PRODUCT_U730 0x1400
#define NOVATELWIRELESS_PRODUCT_U740 0x1410
#define NOVATELWIRELESS_PRODUCT_U870 0x1420
#define NOVATELWIRELESS_PRODUCT_XU870 0x1430
#define NOVATELWIRELESS_PRODUCT_X950D 0x1450
/* EXPEDITE PRODUCTS */
#define NOVATELWIRELESS_PRODUCT_EV620 0x2100
#define NOVATELWIRELESS_PRODUCT_ES720 0x2110
#define NOVATELWIRELESS_PRODUCT_E725 0x2120
#define NOVATELWIRELESS_PRODUCT_ES620 0x2130
#define NOVATELWIRELESS_PRODUCT_EU730 0x2400
#define NOVATELWIRELESS_PRODUCT_EU740 0x2410
#define NOVATELWIRELESS_PRODUCT_EU870D 0x2420
/* OVATION PRODUCTS */
#define NOVATELWIRELESS_PRODUCT_MC727 0x4100
#define NOVATELWIRELESS_PRODUCT_MC950D 0x4400
/* FUTURE NOVATEL PRODUCTS */
#define NOVATELWIRELESS_PRODUCT_EVDO_1 0x6000
#define NOVATELWIRELESS_PRODUCT_HSPA_1 0x7000
#define NOVATELWIRELESS_PRODUCT_EMBEDDED_1 0x8000
#define NOVATELWIRELESS_PRODUCT_GLOBAL_1 0x9000
#define NOVATELWIRELESS_PRODUCT_EVDO_2 0x6001
#define NOVATELWIRELESS_PRODUCT_HSPA_2 0x7001
#define NOVATELWIRELESS_PRODUCT_EMBEDDED_2 0x8001
#define NOVATELWIRELESS_PRODUCT_GLOBAL_2 0x9001
/* AMOI PRODUCTS */
#define AMOI_VENDOR_ID 0x1614
#define AMOI_PRODUCT_H01 0x0800
#define AMOI_PRODUCT_H01A 0x7002
#define AMOI_PRODUCT_H02 0x0802
#define DELL_VENDOR_ID 0x413C
#define KYOCERA_VENDOR_ID 0x0c88
#define KYOCERA_PRODUCT_KPC680 0x180a
#define ANYDATA_VENDOR_ID 0x16d5
#define ANYDATA_PRODUCT_ADU_E100A 0x6501
#define ANYDATA_PRODUCT_ADU_500A 0x6502
#define AXESSTEL_VENDOR_ID 0x1726
#define AXESSTEL_PRODUCT_MV110H 0x1000
#define BANDRICH_VENDOR_ID 0x1A8D
#define BANDRICH_PRODUCT_C100_1 0x1002
#define BANDRICH_PRODUCT_C100_2 0x1003
#define AMOI_VENDOR_ID 0x1614
#define AMOI_PRODUCT_9508 0x0800
#define QUALCOMM_VENDOR_ID 0x05C6
#define MAXON_VENDOR_ID 0x16d8
#define TELIT_VENDOR_ID 0x1bc7
#define TELIT_PRODUCT_UC864E 0x1003
static struct usb_device_id option_ids[] = {
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_LIGHT) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD_LIGHT) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_LIGHT) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD_LIGHT) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA_BUS) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER_BUS) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GT_MAX_READY) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GT_MAX) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_LIGHT) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_GT) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_EX) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_LIGHT) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_GT) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_EX) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_KOI_MODEM) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_KOI_NETWORK) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_MODEM) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_NETWORK) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_LITE) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_GT) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_EX) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_LITE) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_GT) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_EX) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_MODEM) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_NETWORK) },
{ USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E600) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220BIS, 0xff, 0xff, 0xff) },
{ USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1401) },
{ USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1403) },
{ USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1405) },
{ USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1406) },
{ USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1408) },
{ USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1409) },
{ USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1410) },
{ USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1411) },
{ USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1412) },
{ USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1413) },
{ USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1414) },
{ USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1415) },
{ USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1416) },
{ USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1417) },
{ USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1418) },
{ USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1419) },
{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_9508) },
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) }, /* Novatel Merlin V640/XV620 */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) }, /* Novatel Merlin V620/S620 */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V740) }, /* Novatel Merlin EX720/V740/X720 */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V720) }, /* Novatel Merlin V720/S720/PC720 */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U730) }, /* Novatel U730/U740 (VF version) */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U740) }, /* Novatel U740 */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U870) }, /* Novatel U870 */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_XU870) }, /* Novatel Merlin XU870 HSDPA/3G */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_X950D) }, /* Novatel X950D */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EV620) }, /* Novatel EV620/ES620 CDMA/EV-DO */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_ES720) }, /* Novatel ES620/ES720/U720/USB720 */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E725) }, /* Novatel E725/E726 */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_ES620) }, /* Novatel Merlin ES620 SM Bus */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU730) }, /* Novatel EU730 and Vodafone EU740 */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU740) }, /* Novatel non-Vodafone EU740 */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU870D) }, /* Novatel EU850D/EU860D/EU870D */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC950D) }, /* Novatel MC930D/MC950D */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC727) }, /* Novatel MC727/U727/USB727 */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_1) }, /* Novatel EVDO product */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_1) }, /* Novatel HSPA product */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EMBEDDED_1) }, /* Novatel Embedded product */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_GLOBAL_1) }, /* Novatel Global product */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_2) }, /* Novatel EVDO product */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_2) }, /* Novatel HSPA product */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EMBEDDED_2) }, /* Novatel Embedded product */
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_GLOBAL_2) }, /* Novatel Global product */
{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01) },
{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01A) },
{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H02) },
{ USB_DEVICE(DELL_VENDOR_ID, 0x8114) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite EV620 CDMA/EV-DO */
{ USB_DEVICE(DELL_VENDOR_ID, 0x8115) }, /* Dell Wireless 5500 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */
{ USB_DEVICE(DELL_VENDOR_ID, 0x8116) }, /* Dell Wireless 5505 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */
{ USB_DEVICE(DELL_VENDOR_ID, 0x8117) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO ExpressCard == Novatel Merlin XV620 CDMA/EV-DO */
{ USB_DEVICE(DELL_VENDOR_ID, 0x8118) }, /* Dell Wireless 5510 Mobile Broadband HSDPA ExpressCard == Novatel Merlin XU870 HSDPA/3G */
{ USB_DEVICE(DELL_VENDOR_ID, 0x8128) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite E720 CDMA/EV-DO */
{ USB_DEVICE(DELL_VENDOR_ID, 0x8129) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite ET620 CDMA/EV-DO */
{ USB_DEVICE(DELL_VENDOR_ID, 0x8133) }, /* Dell Wireless 5720 == Novatel EV620 CDMA/EV-DO */
{ USB_DEVICE(DELL_VENDOR_ID, 0x8136) }, /* Dell Wireless HSDPA 5520 == Novatel Expedite EU860D */
{ USB_DEVICE(DELL_VENDOR_ID, 0x8137) }, /* Dell Wireless HSDPA 5520 */
{ USB_DEVICE(DELL_VENDOR_ID, 0x8138) }, /* Dell Wireless 5520 Voda I Mobile Broadband (3G HSDPA) Minicard */
{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) },
{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) },
{ USB_DEVICE(AXESSTEL_VENDOR_ID, AXESSTEL_PRODUCT_MV110H) },
{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_1) },
{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_2) },
{ USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) },
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
{ USB_DEVICE(MAXON_VENDOR_ID, 0x6280) }, /* BP3-USB & BP3-EXT HSDPA */
{ USB_DEVICE(0x19d2, 0x0001) }, /* Telstra NextG CDMA */
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, option_ids);
static struct usb_driver option_driver = {
.name = "option",
.probe = usb_serial_probe,
.disconnect = usb_serial_disconnect,
.id_table = option_ids,
.no_dynamic_id = 1,
};
/* The card has three separate interfaces, which the serial driver
* recognizes separately, thus num_port=1.
*/
static struct usb_serial_driver option_1port_device = {
.driver = {
.owner = THIS_MODULE,
.name = "option1",
},
.description = "GSM modem (1-port)",
.usb_driver = &option_driver,
.id_table = option_ids,
.num_interrupt_in = NUM_DONT_CARE,
.num_bulk_in = NUM_DONT_CARE,
.num_bulk_out = NUM_DONT_CARE,
.num_ports = 1,
.open = option_open,
.close = option_close,
.write = option_write,
.write_room = option_write_room,
.chars_in_buffer = option_chars_in_buffer,
.throttle = option_rx_throttle,
.unthrottle = option_rx_unthrottle,
.ioctl = option_ioctl,
.set_termios = option_set_termios,
.break_ctl = option_break_ctl,
.tiocmget = option_tiocmget,
.tiocmset = option_tiocmset,
.attach = option_startup,
.shutdown = option_shutdown,
.read_int_callback = option_instat_callback,
};
#ifdef CONFIG_USB_DEBUG
static int debug;
#else
#define debug 0
#endif
/* per port private data */
#define N_IN_URB 4
#define N_OUT_URB 1
#define IN_BUFLEN 4096
#define OUT_BUFLEN 128
struct option_port_private {
/* Input endpoints and buffer for this port */
struct urb *in_urbs[N_IN_URB];
u8 *in_buffer[N_IN_URB];
/* Output endpoints and buffer for this port */
struct urb *out_urbs[N_OUT_URB];
u8 *out_buffer[N_OUT_URB];
unsigned long out_busy; /* Bit vector of URBs in use */
/* Settings for the port */
int rts_state; /* Handshaking pins (outputs) */
int dtr_state;
int cts_state; /* Handshaking pins (inputs) */
int dsr_state;
int dcd_state;
int ri_state;
unsigned long tx_start_time[N_OUT_URB];
};
/* Functions used by new usb-serial code. */
static int __init option_init(void)
{
int retval;
retval = usb_serial_register(&option_1port_device);
if (retval)
goto failed_1port_device_register;
retval = usb_register(&option_driver);
if (retval)
goto failed_driver_register;
info(DRIVER_DESC ": " DRIVER_VERSION);
return 0;
failed_driver_register:
usb_serial_deregister (&option_1port_device);
failed_1port_device_register:
return retval;
}
static void __exit option_exit(void)
{
usb_deregister (&option_driver);
usb_serial_deregister (&option_1port_device);
}
module_init(option_init);
module_exit(option_exit);
static void option_rx_throttle(struct usb_serial_port *port)
{
dbg("%s", __FUNCTION__);
}
static void option_rx_unthrottle(struct usb_serial_port *port)
{
dbg("%s", __FUNCTION__);
}
static void option_break_ctl(struct usb_serial_port *port, int break_state)
{
/* Unfortunately, I don't know how to send a break */
dbg("%s", __FUNCTION__);
}
static void option_set_termios(struct usb_serial_port *port,
struct ktermios *old_termios)
{
dbg("%s", __FUNCTION__);
/* Doesn't support option setting */
tty_termios_copy_hw(port->tty->termios, old_termios);
option_send_setup(port);
}
static int option_tiocmget(struct usb_serial_port *port, struct file *file)
{
unsigned int value;
struct option_port_private *portdata;
portdata = usb_get_serial_port_data(port);
value = ((portdata->rts_state) ? TIOCM_RTS : 0) |
((portdata->dtr_state) ? TIOCM_DTR : 0) |
((portdata->cts_state) ? TIOCM_CTS : 0) |
((portdata->dsr_state) ? TIOCM_DSR : 0) |
((portdata->dcd_state) ? TIOCM_CAR : 0) |
((portdata->ri_state) ? TIOCM_RNG : 0);
return value;
}
static int option_tiocmset(struct usb_serial_port *port, struct file *file,
unsigned int set, unsigned int clear)
{
struct option_port_private *portdata;
portdata = usb_get_serial_port_data(port);
if (set & TIOCM_RTS)
portdata->rts_state = 1;
if (set & TIOCM_DTR)
portdata->dtr_state = 1;
if (clear & TIOCM_RTS)
portdata->rts_state = 0;
if (clear & TIOCM_DTR)
portdata->dtr_state = 0;
return option_send_setup(port);
}
static int option_ioctl(struct usb_serial_port *port, struct file *file,
unsigned int cmd, unsigned long arg)
{
return -ENOIOCTLCMD;
}
/* Write */
static int option_write(struct usb_serial_port *port,
const unsigned char *buf, int count)
{
struct option_port_private *portdata;
int i;
int left, todo;
struct urb *this_urb = NULL; /* spurious */
int err;
portdata = usb_get_serial_port_data(port);
dbg("%s: write (%d chars)", __FUNCTION__, count);
i = 0;
left = count;
for (i=0; left > 0 && i < N_OUT_URB; i++) {
todo = left;
if (todo > OUT_BUFLEN)
todo = OUT_BUFLEN;
this_urb = portdata->out_urbs[i];
if (test_and_set_bit(i, &portdata->out_busy)) {
if (time_before(jiffies,
portdata->tx_start_time[i] + 10 * HZ))
continue;
usb_unlink_urb(this_urb);
continue;
}
if (this_urb->status != 0)
dbg("usb_write %p failed (err=%d)",
this_urb, this_urb->status);
dbg("%s: endpoint %d buf %d", __FUNCTION__,
usb_pipeendpoint(this_urb->pipe), i);
/* send the data */
memcpy (this_urb->transfer_buffer, buf, todo);
this_urb->transfer_buffer_length = todo;
this_urb->dev = port->serial->dev;
err = usb_submit_urb(this_urb, GFP_ATOMIC);
if (err) {
dbg("usb_submit_urb %p (write bulk) failed "
"(%d, has %d)", this_urb,
err, this_urb->status);
clear_bit(i, &portdata->out_busy);
continue;
}
portdata->tx_start_time[i] = jiffies;
buf += todo;
left -= todo;
}
count -= left;
dbg("%s: wrote (did %d)", __FUNCTION__, count);
return count;
}
static void option_indat_callback(struct urb *urb)
{
int err;
int endpoint;
struct usb_serial_port *port;
struct tty_struct *tty;
unsigned char *data = urb->transfer_buffer;
int status = urb->status;
dbg("%s: %p", __FUNCTION__, urb);
endpoint = usb_pipeendpoint(urb->pipe);
port = (struct usb_serial_port *) urb->context;
if (status) {
dbg("%s: nonzero status: %d on endpoint %02x.",
__FUNCTION__, status, endpoint);
} else {
tty = port->tty;
if (urb->actual_length) {
tty_buffer_request_room(tty, urb->actual_length);
tty_insert_flip_string(tty, data, urb->actual_length);
tty_flip_buffer_push(tty);
} else {
dbg("%s: empty read urb received", __FUNCTION__);
}
/* Resubmit urb so we continue receiving */
if (port->open_count && status != -ESHUTDOWN) {
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err)
printk(KERN_ERR "%s: resubmit read urb failed. "
"(%d)", __FUNCTION__, err);
}
}
return;
}
static void option_outdat_callback(struct urb *urb)
{
struct usb_serial_port *port;
struct option_port_private *portdata;
int i;
dbg("%s", __FUNCTION__);
port = (struct usb_serial_port *) urb->context;
usb_serial_port_softint(port);
portdata = usb_get_serial_port_data(port);
for (i = 0; i < N_OUT_URB; ++i) {
if (portdata->out_urbs[i] == urb) {
smp_mb__before_clear_bit();
clear_bit(i, &portdata->out_busy);
break;
}
}
}
static void option_instat_callback(struct urb *urb)
{
int err;
int status = urb->status;
struct usb_serial_port *port = (struct usb_serial_port *) urb->context;
struct option_port_private *portdata = usb_get_serial_port_data(port);
struct usb_serial *serial = port->serial;
dbg("%s", __FUNCTION__);
dbg("%s: urb %p port %p has data %p", __FUNCTION__,urb,port,portdata);
if (status == 0) {
struct usb_ctrlrequest *req_pkt =
(struct usb_ctrlrequest *)urb->transfer_buffer;
if (!req_pkt) {
dbg("%s: NULL req_pkt\n", __FUNCTION__);
return;
}
if ((req_pkt->bRequestType == 0xA1) &&
(req_pkt->bRequest == 0x20)) {
int old_dcd_state;
unsigned char signals = *((unsigned char *)
urb->transfer_buffer +
sizeof(struct usb_ctrlrequest));
dbg("%s: signal x%x", __FUNCTION__, signals);
old_dcd_state = portdata->dcd_state;
portdata->cts_state = 1;
portdata->dcd_state = ((signals & 0x01) ? 1 : 0);
portdata->dsr_state = ((signals & 0x02) ? 1 : 0);
portdata->ri_state = ((signals & 0x08) ? 1 : 0);
if (port->tty && !C_CLOCAL(port->tty) &&
old_dcd_state && !portdata->dcd_state)
tty_hangup(port->tty);
} else {
dbg("%s: type %x req %x", __FUNCTION__,
req_pkt->bRequestType,req_pkt->bRequest);
}
} else
dbg("%s: error %d", __FUNCTION__, status);
/* Resubmit urb so we continue receiving IRQ data */
if (status != -ESHUTDOWN) {
urb->dev = serial->dev;
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err)
dbg("%s: resubmit intr urb failed. (%d)",
__FUNCTION__, err);
}
}
static int option_write_room(struct usb_serial_port *port)
{
struct option_port_private *portdata;
int i;
int data_len = 0;
struct urb *this_urb;
portdata = usb_get_serial_port_data(port);
for (i=0; i < N_OUT_URB; i++) {
this_urb = portdata->out_urbs[i];
if (this_urb && !test_bit(i, &portdata->out_busy))
data_len += OUT_BUFLEN;
}
dbg("%s: %d", __FUNCTION__, data_len);
return data_len;
}
static int option_chars_in_buffer(struct usb_serial_port *port)
{
struct option_port_private *portdata;
int i;
int data_len = 0;
struct urb *this_urb;
portdata = usb_get_serial_port_data(port);
for (i=0; i < N_OUT_URB; i++) {
this_urb = portdata->out_urbs[i];
if (this_urb && test_bit(i, &portdata->out_busy))
data_len += this_urb->transfer_buffer_length;
}
dbg("%s: %d", __FUNCTION__, data_len);
return data_len;
}
static int option_open(struct usb_serial_port *port, struct file *filp)
{
struct option_port_private *portdata;
struct usb_serial *serial = port->serial;
int i, err;
struct urb *urb;
portdata = usb_get_serial_port_data(port);
dbg("%s", __FUNCTION__);
/* Set some sane defaults */
portdata->rts_state = 1;
portdata->dtr_state = 1;
/* Reset low level data toggle and start reading from endpoints */
for (i = 0; i < N_IN_URB; i++) {
urb = portdata->in_urbs[i];
if (! urb)
continue;
if (urb->dev != serial->dev) {
dbg("%s: dev %p != %p", __FUNCTION__,
urb->dev, serial->dev);
continue;
}
/*
* make sure endpoint data toggle is synchronized with the
* device
*/
usb_clear_halt(urb->dev, urb->pipe);
err = usb_submit_urb(urb, GFP_KERNEL);
if (err) {
dbg("%s: submit urb %d failed (%d) %d",
__FUNCTION__, i, err,
urb->transfer_buffer_length);
}
}
/* Reset low level data toggle on out endpoints */
for (i = 0; i < N_OUT_URB; i++) {
urb = portdata->out_urbs[i];
if (! urb)
continue;
urb->dev = serial->dev;
/* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe),
usb_pipeout(urb->pipe), 0); */
}
port->tty->low_latency = 1;
option_send_setup(port);
return (0);
}
static void option_close(struct usb_serial_port *port, struct file *filp)
{
int i;
struct usb_serial *serial = port->serial;
struct option_port_private *portdata;
dbg("%s", __FUNCTION__);
portdata = usb_get_serial_port_data(port);
portdata->rts_state = 0;
portdata->dtr_state = 0;
if (serial->dev) {
mutex_lock(&serial->disc_mutex);
if (!serial->disconnected)
option_send_setup(port);
mutex_unlock(&serial->disc_mutex);
/* Stop reading/writing urbs */
for (i = 0; i < N_IN_URB; i++)
usb_kill_urb(portdata->in_urbs[i]);
for (i = 0; i < N_OUT_URB; i++)
usb_kill_urb(portdata->out_urbs[i]);
}
port->tty = NULL;
}
/* Helper functions used by option_setup_urbs */
static struct urb *option_setup_urb(struct usb_serial *serial, int endpoint,
int dir, void *ctx, char *buf, int len,
void (*callback)(struct urb *))
{
struct urb *urb;
if (endpoint == -1)
return NULL; /* endpoint not needed */
urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */
if (urb == NULL) {
dbg("%s: alloc for endpoint %d failed.", __FUNCTION__, endpoint);
return NULL;
}
/* Fill URB using supplied data. */
usb_fill_bulk_urb(urb, serial->dev,
usb_sndbulkpipe(serial->dev, endpoint) | dir,
buf, len, callback, ctx);
return urb;
}
/* Setup urbs */
static void option_setup_urbs(struct usb_serial *serial)
{
int i,j;
struct usb_serial_port *port;
struct option_port_private *portdata;
dbg("%s", __FUNCTION__);
for (i = 0; i < serial->num_ports; i++) {
port = serial->port[i];
portdata = usb_get_serial_port_data(port);
/* Do indat endpoints first */
for (j = 0; j < N_IN_URB; ++j) {
portdata->in_urbs[j] = option_setup_urb (serial,
port->bulk_in_endpointAddress, USB_DIR_IN, port,
portdata->in_buffer[j], IN_BUFLEN, option_indat_callback);
}
/* outdat endpoints */
for (j = 0; j < N_OUT_URB; ++j) {
portdata->out_urbs[j] = option_setup_urb (serial,
port->bulk_out_endpointAddress, USB_DIR_OUT, port,
portdata->out_buffer[j], OUT_BUFLEN, option_outdat_callback);
}
}
}
static int option_send_setup(struct usb_serial_port *port)
{
struct usb_serial *serial = port->serial;
struct option_port_private *portdata;
dbg("%s", __FUNCTION__);
if (port->number != 0)
return 0;
portdata = usb_get_serial_port_data(port);
if (port->tty) {
int val = 0;
if (portdata->dtr_state)
val |= 0x01;
if (portdata->rts_state)
val |= 0x02;
return usb_control_msg(serial->dev,
usb_rcvctrlpipe(serial->dev, 0),
0x22,0x21,val,0,NULL,0,USB_CTRL_SET_TIMEOUT);
}
return 0;
}
static int option_startup(struct usb_serial *serial)
{
int i, j, err;
struct usb_serial_port *port;
struct option_port_private *portdata;
u8 *buffer;
dbg("%s", __FUNCTION__);
/* Now setup per port private data */
for (i = 0; i < serial->num_ports; i++) {
port = serial->port[i];
portdata = kzalloc(sizeof(*portdata), GFP_KERNEL);
if (!portdata) {
dbg("%s: kmalloc for option_port_private (%d) failed!.",
__FUNCTION__, i);
return (1);
}
for (j = 0; j < N_IN_URB; j++) {
buffer = (u8 *)__get_free_page(GFP_KERNEL);
if (!buffer)
goto bail_out_error;
portdata->in_buffer[j] = buffer;
}
for (j = 0; j < N_OUT_URB; j++) {
buffer = kmalloc(OUT_BUFLEN, GFP_KERNEL);
if (!buffer)
goto bail_out_error2;
portdata->out_buffer[j] = buffer;
}
usb_set_serial_port_data(port, portdata);
if (! port->interrupt_in_urb)
continue;
err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
if (err)
dbg("%s: submit irq_in urb failed %d",
__FUNCTION__, err);
}
option_setup_urbs(serial);
return (0);
bail_out_error2:
for (j = 0; j < N_OUT_URB; j++)
kfree(portdata->out_buffer[j]);
bail_out_error:
for (j = 0; j < N_IN_URB; j++)
if (portdata->in_buffer[j])
free_page((unsigned long)portdata->in_buffer[j]);
kfree(portdata);
return 1;
}
static void option_shutdown(struct usb_serial *serial)
{
int i, j;
struct usb_serial_port *port;
struct option_port_private *portdata;
dbg("%s", __FUNCTION__);
/* Stop reading/writing urbs */
for (i = 0; i < serial->num_ports; ++i) {
port = serial->port[i];
portdata = usb_get_serial_port_data(port);
for (j = 0; j < N_IN_URB; j++)
usb_kill_urb(portdata->in_urbs[j]);
for (j = 0; j < N_OUT_URB; j++)
usb_kill_urb(portdata->out_urbs[j]);
}
/* Now free them */
for (i = 0; i < serial->num_ports; ++i) {
port = serial->port[i];
portdata = usb_get_serial_port_data(port);
for (j = 0; j < N_IN_URB; j++) {
if (portdata->in_urbs[j]) {
usb_free_urb(portdata->in_urbs[j]);
free_page((unsigned long)portdata->in_buffer[j]);
portdata->in_urbs[j] = NULL;
}
}
for (j = 0; j < N_OUT_URB; j++) {
if (portdata->out_urbs[j]) {
usb_free_urb(portdata->out_urbs[j]);
kfree(portdata->out_buffer[j]);
portdata->out_urbs[j] = NULL;
}
}
}
/* Now free per port private data */
for (i = 0; i < serial->num_ports; i++) {
port = serial->port[i];
kfree(usb_get_serial_port_data(port));
}
}
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_VERSION(DRIVER_VERSION);
MODULE_LICENSE("GPL");
#ifdef CONFIG_USB_DEBUG
module_param(debug, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(debug, "Debug messages");
#endif
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