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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 "v0.7.2"
#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 tty_struct *tty, struct usb_serial_port *port,
struct file *filp);
static void option_close(struct tty_struct *tty, 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 int option_write_room(struct tty_struct *tty);
static void option_instat_callback(struct urb *urb);
static int option_write(struct tty_struct *tty, struct usb_serial_port *port,
const unsigned char *buf, int count);
static int option_chars_in_buffer(struct tty_struct *tty);
static void option_set_termios(struct tty_struct *tty,
struct usb_serial_port *port, struct ktermios *old);
static int option_tiocmget(struct tty_struct *tty, struct file *file);
static int option_tiocmset(struct tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear);
static int option_send_setup(struct tty_struct *tty, 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_FUJI_MODEM_LIGHT 0x6721
#define OPTION_PRODUCT_FUJI_MODEM_GT 0x6741
#define OPTION_PRODUCT_FUJI_MODEM_EX 0x6761
#define OPTION_PRODUCT_KOI_MODEM 0x6800
#define OPTION_PRODUCT_SCORPION_MODEM 0x6901
#define OPTION_PRODUCT_ETNA_MODEM 0x7001
#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_KOI_MODEM 0x7100
#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_E1402 0x1402
#define HUAWEI_PRODUCT_E1403 0x1403
#define HUAWEI_PRODUCT_E1404 0x1404
#define HUAWEI_PRODUCT_E1405 0x1405
#define HUAWEI_PRODUCT_E1406 0x1406
#define HUAWEI_PRODUCT_E1407 0x1407
#define HUAWEI_PRODUCT_E1408 0x1408
#define HUAWEI_PRODUCT_E1409 0x1409
#define HUAWEI_PRODUCT_E140A 0x140A
#define HUAWEI_PRODUCT_E140B 0x140B
#define HUAWEI_PRODUCT_E140C 0x140C
#define HUAWEI_PRODUCT_E140D 0x140D
#define HUAWEI_PRODUCT_E140E 0x140E
#define HUAWEI_PRODUCT_E140F 0x140F
#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 HUAWEI_PRODUCT_E141A 0x141A
#define HUAWEI_PRODUCT_E141B 0x141B
#define HUAWEI_PRODUCT_E141C 0x141C
#define HUAWEI_PRODUCT_E141D 0x141D
#define HUAWEI_PRODUCT_E141E 0x141E
#define HUAWEI_PRODUCT_E141F 0x141F
#define HUAWEI_PRODUCT_E1420 0x1420
#define HUAWEI_PRODUCT_E1421 0x1421
#define HUAWEI_PRODUCT_E1422 0x1422
#define HUAWEI_PRODUCT_E1423 0x1423
#define HUAWEI_PRODUCT_E1424 0x1424
#define HUAWEI_PRODUCT_E1425 0x1425
#define HUAWEI_PRODUCT_E1426 0x1426
#define HUAWEI_PRODUCT_E1427 0x1427
#define HUAWEI_PRODUCT_E1428 0x1428
#define HUAWEI_PRODUCT_E1429 0x1429
#define HUAWEI_PRODUCT_E142A 0x142A
#define HUAWEI_PRODUCT_E142B 0x142B
#define HUAWEI_PRODUCT_E142C 0x142C
#define HUAWEI_PRODUCT_E142D 0x142D
#define HUAWEI_PRODUCT_E142E 0x142E
#define HUAWEI_PRODUCT_E142F 0x142F
#define HUAWEI_PRODUCT_E1430 0x1430
#define HUAWEI_PRODUCT_E1431 0x1431
#define HUAWEI_PRODUCT_E1432 0x1432
#define HUAWEI_PRODUCT_E1433 0x1433
#define HUAWEI_PRODUCT_E1434 0x1434
#define HUAWEI_PRODUCT_E1435 0x1435
#define HUAWEI_PRODUCT_E1436 0x1436
#define HUAWEI_PRODUCT_E1437 0x1437
#define HUAWEI_PRODUCT_E1438 0x1438
#define HUAWEI_PRODUCT_E1439 0x1439
#define HUAWEI_PRODUCT_E143A 0x143A
#define HUAWEI_PRODUCT_E143B 0x143B
#define HUAWEI_PRODUCT_E143C 0x143C
#define HUAWEI_PRODUCT_E143D 0x143D
#define HUAWEI_PRODUCT_E143E 0x143E
#define HUAWEI_PRODUCT_E143F 0x143F
#define NOVATELWIRELESS_VENDOR_ID 0x1410
/* YISO PRODUCTS */
#define YISO_VENDOR_ID 0x0EAB
#define YISO_PRODUCT_U893 0xC893
/* 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_KPC650 0x17da
#define KYOCERA_PRODUCT_KPC680 0x180a
#define ANYDATA_VENDOR_ID 0x16d5
#define ANYDATA_PRODUCT_ADU_620UW 0x6202
#define ANYDATA_PRODUCT_ADU_E100A 0x6501
#define ANYDATA_PRODUCT_ADU_500A 0x6502
#define AXESSTEL_VENDOR_ID 0x1726
#define AXESSTEL_PRODUCT_MV110H 0x1000
#define ONDA_VENDOR_ID 0x19d2
#define ONDA_PRODUCT_MSA501HS 0x0001
#define ONDA_PRODUCT_ET502HS 0x0002
#define ONDA_PRODUCT_MT503HS 0x0200
#define BANDRICH_VENDOR_ID 0x1A8D
#define BANDRICH_PRODUCT_C100_1 0x1002
#define BANDRICH_PRODUCT_C100_2 0x1003
#define BANDRICH_PRODUCT_1004 0x1004
#define BANDRICH_PRODUCT_1005 0x1005
#define BANDRICH_PRODUCT_1006 0x1006
#define BANDRICH_PRODUCT_1007 0x1007
#define BANDRICH_PRODUCT_1008 0x1008
#define BANDRICH_PRODUCT_1009 0x1009
#define BANDRICH_PRODUCT_100A 0x100a
#define BANDRICH_PRODUCT_100B 0x100b
#define BANDRICH_PRODUCT_100C 0x100c
#define BANDRICH_PRODUCT_100D 0x100d
#define BANDRICH_PRODUCT_100E 0x100e
#define BANDRICH_PRODUCT_100F 0x100f
#define BANDRICH_PRODUCT_1010 0x1010
#define BANDRICH_PRODUCT_1011 0x1011
#define BANDRICH_PRODUCT_1012 0x1012
#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
/* ZTE PRODUCTS */
#define ZTE_VENDOR_ID 0x19d2
#define ZTE_PRODUCT_MF628 0x0015
#define ZTE_PRODUCT_MF626 0x0031
#define ZTE_PRODUCT_CDMA_TECH 0xfffe
/* Ericsson products */
#define ERICSSON_VENDOR_ID 0x0bdb
#define ERICSSON_PRODUCT_F3507G 0x1900
/* Pantech products */
#define PANTECH_VENDOR_ID 0x106c
#define PANTECH_PRODUCT_PC5740 0x3701
#define PANTECH_PRODUCT_PC5750 0x3702 /* PX-500 */
#define PANTECH_PRODUCT_UM150 0x3711
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_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_KOI_MODEM) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_MODEM) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM) },
{ 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_KOI_MODEM) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E600, 0xff, 0xff, 0xff) },
{ 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_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1401, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1402, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1403, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1404, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1405, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1406, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1407, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1408, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1409, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140A, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140B, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140C, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140D, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140E, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140F, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1410, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1411, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1412, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1413, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1414, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1415, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1416, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1417, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1418, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1419, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141A, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141B, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141C, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141D, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141E, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141F, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1420, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1421, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1422, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1423, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1424, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1425, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1426, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1427, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1428, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1429, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142A, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142B, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142C, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142D, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142E, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142F, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1430, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1431, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1432, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1433, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1434, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1435, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1436, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1437, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1438, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1439, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143A, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143B, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143C, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143D, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143E, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143F, 0xff, 0xff, 0xff) },
{ 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(DELL_VENDOR_ID, 0x8147) }, /* Dell Wireless 5530 Mobile Broadband (3G HSPA) Mini-Card */
{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) }, /* ADU-E100, ADU-310 */
{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) },
{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_620UW) },
{ USB_DEVICE(AXESSTEL_VENDOR_ID, AXESSTEL_PRODUCT_MV110H) },
{ USB_DEVICE(ONDA_VENDOR_ID, ONDA_PRODUCT_MSA501HS) },
{ USB_DEVICE(ONDA_VENDOR_ID, ONDA_PRODUCT_ET502HS) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0003) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0004) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0005) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0006) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0007) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0008) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0009) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x000a) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x000b) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x000c) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x000d) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x000e) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x000f) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0010) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0011) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0012) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0013) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0014) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0015) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0016) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0017) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0018) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0019) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0020) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0021) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0022) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0023) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0024) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0025) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0026) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0027) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0028) },
{ USB_DEVICE(ONDA_VENDOR_ID, 0x0029) },
{ USB_DEVICE(ONDA_VENDOR_ID, ONDA_PRODUCT_MT503HS) },
{ USB_DEVICE(YISO_VENDOR_ID, YISO_PRODUCT_U893) },
{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_1) },
{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_2) },
{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1004) },
{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1005) },
{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1006) },
{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1007) },
{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1008) },
{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1009) },
{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100A) },
{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100B) },
{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100C) },
{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100D) },
{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100E) },
{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100F) },
{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1010) },
{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1011) },
{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1012) },
{ USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC650) },
{ USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) },
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6000)}, /* ZTE AC8700 */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
{ USB_DEVICE(MAXON_VENDOR_ID, 0x6280) }, /* BP3-USB & BP3-EXT HSDPA */
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },
{ USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_MF626) },
{ USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_MF628) },
{ USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_CDMA_TECH) },
{ USB_DEVICE(ERICSSON_VENDOR_ID, ERICSSON_PRODUCT_F3507G) },
{ USB_DEVICE(PANTECH_VENDOR_ID, PANTECH_PRODUCT_PC5740) },
{ USB_DEVICE(PANTECH_VENDOR_ID, PANTECH_PRODUCT_PC5750) },
{ USB_DEVICE(PANTECH_VENDOR_ID, PANTECH_PRODUCT_UM150) },
{ } /* 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_ports = 1,
.open = option_open,
.close = option_close,
.write = option_write,
.write_room = option_write_room,
.chars_in_buffer = option_chars_in_buffer,
.set_termios = option_set_termios,
.tiocmget = option_tiocmget,
.tiocmset = option_tiocmset,
.attach = option_startup,
.shutdown = option_shutdown,
.read_int_callback = option_instat_callback,
};
static int debug;
/* 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;
printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
DRIVER_DESC "\n");
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_set_termios(struct tty_struct *tty,
struct usb_serial_port *port, struct ktermios *old_termios)
{
dbg("%s", __func__);
/* Doesn't support option setting */
tty_termios_copy_hw(tty->termios, old_termios);
option_send_setup(tty, port);
}
static int option_tiocmget(struct tty_struct *tty, struct file *file)
{
struct usb_serial_port *port = tty->driver_data;
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 tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear)
{
struct usb_serial_port *port = tty->driver_data;
struct option_port_private *portdata;
portdata = usb_get_serial_port_data(port);
/* FIXME: what locks portdata fields ? */
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(tty, port);
}
/* Write */
static int option_write(struct tty_struct *tty, 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)", __func__, 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", __func__,
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)", __func__, 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", __func__, urb);
endpoint = usb_pipeendpoint(urb->pipe);
port = urb->context;
if (status) {
dbg("%s: nonzero status: %d on endpoint %02x.",
__func__, status, endpoint);
} else {
tty = tty_port_tty_get(&port->port);
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", __func__);
tty_kref_put(tty);
/* Resubmit urb so we continue receiving */
if (port->port.count && status != -ESHUTDOWN) {
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err)
printk(KERN_ERR "%s: resubmit read urb failed. "
"(%d)", __func__, err);
}
}
return;
}
static void option_outdat_callback(struct urb *urb)
{
struct usb_serial_port *port;
struct option_port_private *portdata;
int i;
dbg("%s", __func__);
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 = urb->context;
struct option_port_private *portdata = usb_get_serial_port_data(port);
struct usb_serial *serial = port->serial;
dbg("%s", __func__);
dbg("%s: urb %p port %p has data %p", __func__, 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", __func__);
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", __func__, 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 (old_dcd_state && !portdata->dcd_state) {
struct tty_struct *tty =
tty_port_tty_get(&port->port);
if (tty && !C_CLOCAL(tty))
tty_hangup(tty);
tty_kref_put(tty);
}
} else {
dbg("%s: type %x req %x", __func__,
req_pkt->bRequestType, req_pkt->bRequest);
}
} else
dbg("%s: error %d", __func__, 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)",
__func__, err);
}
}
static int option_write_room(struct tty_struct *tty)
{
struct usb_serial_port *port = tty->driver_data;
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", __func__, data_len);
return data_len;
}
static int option_chars_in_buffer(struct tty_struct *tty)
{
struct usb_serial_port *port = tty->driver_data;
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];
/* FIXME: This locking is insufficient as this_urb may
go unused during the test */
if (this_urb && test_bit(i, &portdata->out_busy))
data_len += this_urb->transfer_buffer_length;
}
dbg("%s: %d", __func__, data_len);
return data_len;
}
static int option_open(struct tty_struct *tty,
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", __func__);
/* 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", __func__,
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",
__func__, 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); */
}
if (tty)
tty->low_latency = 1;
option_send_setup(tty, port);
return 0;
}
static void option_close(struct tty_struct *tty,
struct usb_serial_port *port, struct file *filp)
{
int i;
struct usb_serial *serial = port->serial;
struct option_port_private *portdata;
dbg("%s", __func__);
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(tty, 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]);
}
tty_port_tty_set(&port->port, 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.", __func__, 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", __func__);
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);
}
}
}
/** send RTS/DTR state to the port.
*
* This is exactly the same as SET_CONTROL_LINE_STATE from the PSTN
* CDC.
*/
static int option_send_setup(struct tty_struct *tty,
struct usb_serial_port *port)
{
struct usb_serial *serial = port->serial;
struct option_port_private *portdata;
int ifNum = serial->interface->cur_altsetting->desc.bInterfaceNumber;
dbg("%s", __func__);
portdata = usb_get_serial_port_data(port);
if (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, ifNum, 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", __func__);
/* 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!.",
__func__, 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",
__func__, 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", __func__);
/* 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");
module_param(debug, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(debug, "Debug messages");
|
