drivers/usb/serial/option.c

   1 /*
   2   USB Driver for GSM modems
   3
   4   Copyright (C) 2005  Matthias Urlichs <smurf@smurf.noris.de>
   5
   6   This driver is free software; you can redistribute it and/or modify
   7   it under the terms of Version 2 of the GNU General Public License as
   8   published by the Free Software Foundation.
   9
  10   Portions copied from the Keyspan driver by Hugh Blemings <hugh@blemings.org>
  11
  12   History: see the git log.
  13
  14   Work sponsored by: Sigos GmbH, Germany <info@sigos.de>
  15
  16   This driver exists because the "normal" serial driver doesn't work too well
  17   with GSM modems. Issues:
  18   - data loss -- one single Receive URB is not nearly enough
  19   - nonstandard flow (Option devices) control
  20   - controlling the baud rate doesn't make sense
  21
  22   This driver is named "option" because the most common device it's
  23   used for is a PC-Card (with an internal OHCI-USB interface, behind
  24   which the GSM interface sits), made by Option Inc.
  25
  26   Some of the "one port" devices actually exhibit multiple USB instances
  27   on the USB bus. This is not a bug, these ports are used for different
  28   device features.
  29 */
  30
  31 #define DRIVER_VERSION "v0.7.2"
  32 #define DRIVER_AUTHOR "Matthias Urlichs <smurf@smurf.noris.de>"
  33 #define DRIVER_DESC "USB Driver for GSM modems"
  34
  35 #include <linux/kernel.h>
  36 #include <linux/jiffies.h>
  37 #include <linux/errno.h>
  38 #include <linux/tty.h>
  39 #include <linux/tty_flip.h>
  40 #include <linux/module.h>
  41 #include <linux/bitops.h>
  42 #include <linux/usb.h>
  43 #include <linux/usb/serial.h>
  44
  45 /* Function prototypes */
  46 static int  option_open(struct usb_serial_port *port, struct file *filp);
  47 static void option_close(struct usb_serial_port *port, struct file *filp);
  48 static int  option_startup(struct usb_serial *serial);
  49 static void option_shutdown(struct usb_serial *serial);
  50 static void option_rx_throttle(struct usb_serial_port *port);
  51 static void option_rx_unthrottle(struct usb_serial_port *port);
  52 static int  option_write_room(struct usb_serial_port *port);
  53
  54 static void option_instat_callback(struct urb *urb);
  55
  56 static int option_write(struct usb_serial_port *port,
  57                         const unsigned char *buf, int count);
  58
  59 static int  option_chars_in_buffer(struct usb_serial_port *port);
  60 static int  option_ioctl(struct usb_serial_port *port, struct file *file,
  61                         unsigned int cmd, unsigned long arg);
  62 static void option_set_termios(struct usb_serial_port *port,
  63                                 struct ktermios *old);
  64 static void option_break_ctl(struct usb_serial_port *port, int break_state);
  65 static int  option_tiocmget(struct usb_serial_port *port, struct file *file);
  66 static int  option_tiocmset(struct usb_serial_port *port, struct file *file,
  67                                 unsigned int set, unsigned int clear);
  68 static int  option_send_setup(struct usb_serial_port *port);
  69
  70 /* Vendor and product IDs */
  71 #define OPTION_VENDOR_ID                        0x0AF0
  72 #define OPTION_PRODUCT_COLT                     0x5000
  73 #define OPTION_PRODUCT_RICOLA                   0x6000
  74 #define OPTION_PRODUCT_RICOLA_LIGHT             0x6100
  75 #define OPTION_PRODUCT_RICOLA_QUAD              0x6200
  76 #define OPTION_PRODUCT_RICOLA_QUAD_LIGHT        0x6300
  77 #define OPTION_PRODUCT_RICOLA_NDIS              0x6050
  78 #define OPTION_PRODUCT_RICOLA_NDIS_LIGHT        0x6150
  79 #define OPTION_PRODUCT_RICOLA_NDIS_QUAD         0x6250
  80 #define OPTION_PRODUCT_RICOLA_NDIS_QUAD_LIGHT   0x6350
  81 #define OPTION_PRODUCT_COBRA                    0x6500
  82 #define OPTION_PRODUCT_COBRA_BUS                0x6501
  83 #define OPTION_PRODUCT_VIPER                    0x6600
  84 #define OPTION_PRODUCT_VIPER_BUS                0x6601
  85 #define OPTION_PRODUCT_GT_MAX_READY             0x6701
  86 #define OPTION_PRODUCT_GT_MAX                   0x6711
  87 #define OPTION_PRODUCT_FUJI_MODEM_LIGHT         0x6721
  88 #define OPTION_PRODUCT_FUJI_MODEM_GT            0x6741
  89 #define OPTION_PRODUCT_FUJI_MODEM_EX            0x6761
  90 #define OPTION_PRODUCT_FUJI_NETWORK_LIGHT       0x6731
  91 #define OPTION_PRODUCT_FUJI_NETWORK_GT          0x6751
  92 #define OPTION_PRODUCT_FUJI_NETWORK_EX          0x6771
  93 #define OPTION_PRODUCT_KOI_MODEM                0x6800
  94 #define OPTION_PRODUCT_KOI_NETWORK              0x6811
  95 #define OPTION_PRODUCT_SCORPION_MODEM           0x6901
  96 #define OPTION_PRODUCT_SCORPION_NETWORK         0x6911
  97 #define OPTION_PRODUCT_ETNA_MODEM               0x7001
  98 #define OPTION_PRODUCT_ETNA_NETWORK             0x7011
  99 #define OPTION_PRODUCT_ETNA_MODEM_LITE          0x7021
 100 #define OPTION_PRODUCT_ETNA_MODEM_GT            0x7041
 101 #define OPTION_PRODUCT_ETNA_MODEM_EX            0x7061
 102 #define OPTION_PRODUCT_ETNA_NETWORK_LITE        0x7031
 103 #define OPTION_PRODUCT_ETNA_NETWORK_GT          0x7051
 104 #define OPTION_PRODUCT_ETNA_NETWORK_EX          0x7071
 105 #define OPTION_PRODUCT_ETNA_KOI_MODEM           0x7100
 106 #define OPTION_PRODUCT_ETNA_KOI_NETWORK         0x7111
 107
 108 #define HUAWEI_VENDOR_ID                        0x12D1
 109 #define HUAWEI_PRODUCT_E600                     0x1001
 110 #define HUAWEI_PRODUCT_E220                     0x1003
 111 #define HUAWEI_PRODUCT_E220BIS                  0x1004
 112 #define HUAWEI_PRODUCT_E1401                    0x1401
 113 #define HUAWEI_PRODUCT_E1403                    0x1403
 114 #define HUAWEI_PRODUCT_E1405                    0x1405
 115 #define HUAWEI_PRODUCT_E1406                    0x1406
 116 #define HUAWEI_PRODUCT_E1408                    0x1408
 117 #define HUAWEI_PRODUCT_E1409                    0x1409
 118 #define HUAWEI_PRODUCT_E1410                    0x1410
 119 #define HUAWEI_PRODUCT_E1411                    0x1411
 120 #define HUAWEI_PRODUCT_E1412                    0x1412
 121 #define HUAWEI_PRODUCT_E1413                    0x1413
 122 #define HUAWEI_PRODUCT_E1414                    0x1414
 123 #define HUAWEI_PRODUCT_E1415                    0x1415
 124 #define HUAWEI_PRODUCT_E1416                    0x1416
 125 #define HUAWEI_PRODUCT_E1417                    0x1417
 126 #define HUAWEI_PRODUCT_E1418                    0x1418
 127 #define HUAWEI_PRODUCT_E1419                    0x1419
 128
 129 #define NOVATELWIRELESS_VENDOR_ID               0x1410
 130
 131 /* MERLIN EVDO PRODUCTS */
 132 #define NOVATELWIRELESS_PRODUCT_V640            0x1100
 133 #define NOVATELWIRELESS_PRODUCT_V620            0x1110
 134 #define NOVATELWIRELESS_PRODUCT_V740            0x1120
 135 #define NOVATELWIRELESS_PRODUCT_V720            0x1130
 136
 137 /* MERLIN HSDPA/HSPA PRODUCTS */
 138 #define NOVATELWIRELESS_PRODUCT_U730            0x1400
 139 #define NOVATELWIRELESS_PRODUCT_U740            0x1410
 140 #define NOVATELWIRELESS_PRODUCT_U870            0x1420
 141 #define NOVATELWIRELESS_PRODUCT_XU870           0x1430
 142 #define NOVATELWIRELESS_PRODUCT_X950D           0x1450
 143
 144 /* EXPEDITE PRODUCTS */
 145 #define NOVATELWIRELESS_PRODUCT_EV620           0x2100
 146 #define NOVATELWIRELESS_PRODUCT_ES720           0x2110
 147 #define NOVATELWIRELESS_PRODUCT_E725            0x2120
 148 #define NOVATELWIRELESS_PRODUCT_ES620           0x2130
 149 #define NOVATELWIRELESS_PRODUCT_EU730           0x2400
 150 #define NOVATELWIRELESS_PRODUCT_EU740           0x2410
 151 #define NOVATELWIRELESS_PRODUCT_EU870D          0x2420
 152
 153 /* OVATION PRODUCTS */
 154 #define NOVATELWIRELESS_PRODUCT_MC727           0x4100
 155 #define NOVATELWIRELESS_PRODUCT_MC950D          0x4400
 156
 157 #define NOVATELWIRELESS_PRODUCT_U727            0x5010
 158
 159 /* FUTURE NOVATEL PRODUCTS */
 160 #define NOVATELWIRELESS_PRODUCT_EVDO_1          0x6000
 161 #define NOVATELWIRELESS_PRODUCT_HSPA_1          0x7000
 162 #define NOVATELWIRELESS_PRODUCT_EMBEDDED_1      0x8000
 163 #define NOVATELWIRELESS_PRODUCT_GLOBAL_1        0x9000
 164 #define NOVATELWIRELESS_PRODUCT_EVDO_2          0x6001
 165 #define NOVATELWIRELESS_PRODUCT_HSPA_2          0x7001
 166 #define NOVATELWIRELESS_PRODUCT_EMBEDDED_2      0x8001
 167 #define NOVATELWIRELESS_PRODUCT_GLOBAL_2        0x9001
 168
 169 /* AMOI PRODUCTS */
 170 #define AMOI_VENDOR_ID                          0x1614
 171 #define AMOI_PRODUCT_H01                        0x0800
 172 #define AMOI_PRODUCT_H01A                       0x7002
 173 #define AMOI_PRODUCT_H02                        0x0802
 174
 175 #define DELL_VENDOR_ID                          0x413C
 176
 177 #define KYOCERA_VENDOR_ID                       0x0c88
 178 #define KYOCERA_PRODUCT_KPC680                  0x180a
 179
 180 #define ANYDATA_VENDOR_ID                       0x16d5
 181 #define ANYDATA_PRODUCT_ADU_E100A               0x6501
 182 #define ANYDATA_PRODUCT_ADU_500A                0x6502
 183
 184 #define AXESSTEL_VENDOR_ID                      0x1726
 185 #define AXESSTEL_PRODUCT_MV110H                 0x1000
 186
 187 #define BANDRICH_VENDOR_ID                      0x1A8D
 188 #define BANDRICH_PRODUCT_C100_1                 0x1002
 189 #define BANDRICH_PRODUCT_C100_2                 0x1003
 190
 191 #define AMOI_VENDOR_ID                  0x1614
 192 #define AMOI_PRODUCT_9508                       0x0800
 193
 194 #define QUALCOMM_VENDOR_ID                      0x05C6
 195
 196 #define MAXON_VENDOR_ID                         0x16d8
 197
 198 static struct usb_device_id option_ids[] = {
 199         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
 200         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
 201         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_LIGHT) },
 202         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD) },
 203         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD_LIGHT) },
 204         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS) },
 205         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_LIGHT) },
 206         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD) },
 207         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD_LIGHT) },
 208         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA) },
 209         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA_BUS) },
 210         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER) },
 211         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER_BUS) },
 212         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GT_MAX_READY) },
 213         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GT_MAX) },
 214         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_LIGHT) },
 215         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_GT) },
 216         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_EX) },
 217         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_LIGHT) },
 218         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_GT) },
 219         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_EX) },
 220         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_KOI_MODEM) },
 221         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_KOI_NETWORK) },
 222         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_MODEM) },
 223         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_NETWORK) },
 224         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM) },
 225         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK) },
 226         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_LITE) },
 227         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_GT) },
 228         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_EX) },
 229         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_LITE) },
 230         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_GT) },
 231         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_EX) },
 232         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_MODEM) },
 233         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_NETWORK) },
 234         { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E600) },
 235         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220, 0xff, 0xff, 0xff) },
 236         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220BIS, 0xff, 0xff, 0xff) },
 237         { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1401) },
 238         { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1403) },
 239         { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1405) },
 240         { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1406) },
 241         { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1408) },
 242         { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1409) },
 243         { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1410) },
 244         { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1411) },
 245         { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1412) },
 246         { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1413) },
 247         { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1414) },
 248         { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1415) },
 249         { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1416) },
 250         { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1417) },
 251         { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1418) },
 252         { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1419) },
 253         { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_9508) },
 254         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) }, /* Novatel Merlin V640/XV620 */
 255         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) }, /* Novatel Merlin V620/S620 */
 256         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V740) }, /* Novatel Merlin EX720/V740/X720 */
 257         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V720) }, /* Novatel Merlin V720/S720/PC720 */
 258         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U730) }, /* Novatel U730/U740 (VF version) */
 259         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U740) }, /* Novatel U740 */
 260         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U870) }, /* Novatel U870 */
 261         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_XU870) }, /* Novatel Merlin XU870 HSDPA/3G */
 262         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_X950D) }, /* Novatel X950D */
 263         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EV620) }, /* Novatel EV620/ES620 CDMA/EV-DO */
 264         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_ES720) }, /* Novatel ES620/ES720/U720/USB720 */
 265         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E725) }, /* Novatel E725/E726 */
 266         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_ES620) }, /* Novatel Merlin ES620 SM Bus */
 267         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU730) }, /* Novatel EU730 and Vodafone EU740 */
 268         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU740) }, /* Novatel non-Vodafone EU740 */
 269         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU870D) }, /* Novatel EU850D/EU860D/EU870D */
 270         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC950D) }, /* Novatel MC930D/MC950D */
 271         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC727) }, /* Novatel MC727/U727/USB727 */
 272         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U727) }, /* Novatel U727 */
 273         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_1) }, /* Novatel EVDO product */
 274         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_1) }, /* Novatel HSPA product */
 275         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EMBEDDED_1) }, /* Novatel Embedded product */
 276         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_GLOBAL_1) }, /* Novatel Global product */
 277         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_2) }, /* Novatel EVDO product */
 278         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_2) }, /* Novatel HSPA product */
 279         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EMBEDDED_2) }, /* Novatel Embedded product */
 280         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_GLOBAL_2) }, /* Novatel Global product */
 281
 282         { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01) },
 283         { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01A) },
 284         { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H02) },
 285
 286         { USB_DEVICE(DELL_VENDOR_ID, 0x8114) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite EV620 CDMA/EV-DO */
 287         { USB_DEVICE(DELL_VENDOR_ID, 0x8115) }, /* Dell Wireless 5500 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */
 288         { USB_DEVICE(DELL_VENDOR_ID, 0x8116) }, /* Dell Wireless 5505 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */
 289         { USB_DEVICE(DELL_VENDOR_ID, 0x8117) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO ExpressCard == Novatel Merlin XV620 CDMA/EV-DO */
 290         { USB_DEVICE(DELL_VENDOR_ID, 0x8118) }, /* Dell Wireless 5510 Mobile Broadband HSDPA ExpressCard == Novatel Merlin XU870 HSDPA/3G */
 291         { USB_DEVICE(DELL_VENDOR_ID, 0x8128) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite E720 CDMA/EV-DO */
 292         { USB_DEVICE(DELL_VENDOR_ID, 0x8129) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite ET620 CDMA/EV-DO */
 293         { USB_DEVICE(DELL_VENDOR_ID, 0x8133) }, /* Dell Wireless 5720 == Novatel EV620 CDMA/EV-DO */
 294         { USB_DEVICE(DELL_VENDOR_ID, 0x8136) }, /* Dell Wireless HSDPA 5520 == Novatel Expedite EU860D */
 295         { USB_DEVICE(DELL_VENDOR_ID, 0x8137) }, /* Dell Wireless HSDPA 5520 */
 296         { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) },
 297         { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) },
 298         { USB_DEVICE(AXESSTEL_VENDOR_ID, AXESSTEL_PRODUCT_MV110H) },
 299         { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_1) },
 300         { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_2) },
 301         { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) },
 302         { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
 303         { USB_DEVICE(MAXON_VENDOR_ID, 0x6280) }, /* BP3-USB & BP3-EXT HSDPA */
 304         { USB_DEVICE(0x19d2, 0x0001) },         /* Telstra NextG CDMA */
 305         { } /* Terminating entry */
 306 };
 307 MODULE_DEVICE_TABLE(usb, option_ids);
 308
 309 static struct usb_driver option_driver = {
 310         .name       = "option",
 311         .probe      = usb_serial_probe,
 312         .disconnect = usb_serial_disconnect,
 313         .id_table   = option_ids,
 314         .no_dynamic_id =        1,
 315 };
 316
 317 /* The card has three separate interfaces, which the serial driver
 318  * recognizes separately, thus num_port=1.
 319  */
 320
 321 static struct usb_serial_driver option_1port_device = {
 322         .driver = {
 323                 .owner =        THIS_MODULE,
 324                 .name =         "option1",
 325         },
 326         .description       = "GSM modem (1-port)",
 327         .usb_driver        = &option_driver,
 328         .id_table          = option_ids,
 329         .num_ports         = 1,
 330         .open              = option_open,
 331         .close             = option_close,
 332         .write             = option_write,
 333         .write_room        = option_write_room,
 334         .chars_in_buffer   = option_chars_in_buffer,
 335         .throttle          = option_rx_throttle,
 336         .unthrottle        = option_rx_unthrottle,
 337         .ioctl             = option_ioctl,
 338         .set_termios       = option_set_termios,
 339         .break_ctl         = option_break_ctl,
 340         .tiocmget          = option_tiocmget,
 341         .tiocmset          = option_tiocmset,
 342         .attach            = option_startup,
 343         .shutdown          = option_shutdown,
 344         .read_int_callback = option_instat_callback,
 345 };
 346
 347 #ifdef CONFIG_USB_DEBUG
 348 static int debug;
 349 #else
 350 #define debug 0
 351 #endif
 352
 353 /* per port private data */
 354
 355 #define N_IN_URB 4
 356 #define N_OUT_URB 1
 357 #define IN_BUFLEN 4096
 358 #define OUT_BUFLEN 128
 359
 360 struct option_port_private {
 361         /* Input endpoints and buffer for this port */
 362         struct urb *in_urbs[N_IN_URB];
 363         u8 *in_buffer[N_IN_URB];
 364         /* Output endpoints and buffer for this port */
 365         struct urb *out_urbs[N_OUT_URB];
 366         u8 *out_buffer[N_OUT_URB];
 367         unsigned long out_busy;         /* Bit vector of URBs in use */
 368
 369         /* Settings for the port */
 370         int rts_state;  /* Handshaking pins (outputs) */
 371         int dtr_state;
 372         int cts_state;  /* Handshaking pins (inputs) */
 373         int dsr_state;
 374         int dcd_state;
 375         int ri_state;
 376
 377         unsigned long tx_start_time[N_OUT_URB];
 378 };
 379
 380 /* Functions used by new usb-serial code. */
 381 static int __init option_init(void)
 382 {
 383         int retval;
 384         retval = usb_serial_register(&option_1port_device);
 385         if (retval)
 386                 goto failed_1port_device_register;
 387         retval = usb_register(&option_driver);
 388         if (retval)
 389                 goto failed_driver_register;
 390
 391         info(DRIVER_DESC ": " DRIVER_VERSION);
 392
 393         return 0;
 394
 395 failed_driver_register:
 396         usb_serial_deregister (&option_1port_device);
 397 failed_1port_device_register:
 398         return retval;
 399 }
 400
 401 static void __exit option_exit(void)
 402 {
 403         usb_deregister (&option_driver);
 404         usb_serial_deregister (&option_1port_device);
 405 }
 406
 407 module_init(option_init);
 408 module_exit(option_exit);
 409
 410 static void option_rx_throttle(struct usb_serial_port *port)
 411 {
 412         dbg("%s", __func__);
 413 }
 414
 415 static void option_rx_unthrottle(struct usb_serial_port *port)
 416 {
 417         dbg("%s", __func__);
 418 }
 419
 420 static void option_break_ctl(struct usb_serial_port *port, int break_state)
 421 {
 422         /* Unfortunately, I don't know how to send a break */
 423         dbg("%s", __func__);
 424 }
 425
 426 static void option_set_termios(struct usb_serial_port *port,
 427                         struct ktermios *old_termios)
 428 {
 429         dbg("%s", __func__);
 430         /* Doesn't support option setting */
 431         tty_termios_copy_hw(port->tty->termios, old_termios);
 432         option_send_setup(port);
 433 }
 434
 435 static int option_tiocmget(struct usb_serial_port *port, struct file *file)
 436 {
 437         unsigned int value;
 438         struct option_port_private *portdata;
 439
 440         portdata = usb_get_serial_port_data(port);
 441
 442         value = ((portdata->rts_state) ? TIOCM_RTS : 0) |
 443                 ((portdata->dtr_state) ? TIOCM_DTR : 0) |
 444                 ((portdata->cts_state) ? TIOCM_CTS : 0) |
 445                 ((portdata->dsr_state) ? TIOCM_DSR : 0) |
 446                 ((portdata->dcd_state) ? TIOCM_CAR : 0) |
 447                 ((portdata->ri_state) ? TIOCM_RNG : 0);
 448
 449         return value;
 450 }
 451
 452 static int option_tiocmset(struct usb_serial_port *port, struct file *file,
 453                         unsigned int set, unsigned int clear)
 454 {
 455         struct option_port_private *portdata;
 456
 457         portdata = usb_get_serial_port_data(port);
 458
 459         /* FIXME: what locks portdata fields ? */
 460         if (set & TIOCM_RTS)
 461                 portdata->rts_state = 1;
 462         if (set & TIOCM_DTR)
 463                 portdata->dtr_state = 1;
 464
 465         if (clear & TIOCM_RTS)
 466                 portdata->rts_state = 0;
 467         if (clear & TIOCM_DTR)
 468                 portdata->dtr_state = 0;
 469         return option_send_setup(port);
 470 }
 471
 472 static int option_ioctl(struct usb_serial_port *port, struct file *file,
 473                         unsigned int cmd, unsigned long arg)
 474 {
 475         return -ENOIOCTLCMD;
 476 }
 477
 478 /* Write */
 479 static int option_write(struct usb_serial_port *port,
 480                         const unsigned char *buf, int count)
 481 {
 482         struct option_port_private *portdata;
 483         int i;
 484         int left, todo;
 485         struct urb *this_urb = NULL; /* spurious */
 486         int err;
 487
 488         portdata = usb_get_serial_port_data(port);
 489
 490         dbg("%s: write (%d chars)", __func__, count);
 491
 492         i = 0;
 493         left = count;
 494         for (i=0; left > 0 && i < N_OUT_URB; i++) {
 495                 todo = left;
 496                 if (todo > OUT_BUFLEN)
 497                         todo = OUT_BUFLEN;
 498
 499                 this_urb = portdata->out_urbs[i];
 500                 if (test_and_set_bit(i, &portdata->out_busy)) {
 501                         if (time_before(jiffies,
 502                                         portdata->tx_start_time[i] + 10 * HZ))
 503                                 continue;
 504                         usb_unlink_urb(this_urb);
 505                         continue;
 506                 }
 507                 if (this_urb->status != 0)
 508                         dbg("usb_write %p failed (err=%d)",
 509                                 this_urb, this_urb->status);
 510
 511                 dbg("%s: endpoint %d buf %d", __func__,
 512                         usb_pipeendpoint(this_urb->pipe), i);
 513
 514                 /* send the data */
 515                 memcpy (this_urb->transfer_buffer, buf, todo);
 516                 this_urb->transfer_buffer_length = todo;
 517
 518                 this_urb->dev = port->serial->dev;
 519                 err = usb_submit_urb(this_urb, GFP_ATOMIC);
 520                 if (err) {
 521                         dbg("usb_submit_urb %p (write bulk) failed "
 522                                 "(%d, has %d)", this_urb,
 523                                 err, this_urb->status);
 524                         clear_bit(i, &portdata->out_busy);
 525                         continue;
 526                 }
 527                 portdata->tx_start_time[i] = jiffies;
 528                 buf += todo;
 529                 left -= todo;
 530         }
 531
 532         count -= left;
 533         dbg("%s: wrote (did %d)", __func__, count);
 534         return count;
 535 }
 536
 537 static void option_indat_callback(struct urb *urb)
 538 {
 539         int err;
 540         int endpoint;
 541         struct usb_serial_port *port;
 542         struct tty_struct *tty;
 543         unsigned char *data = urb->transfer_buffer;
 544         int status = urb->status;
 545
 546         dbg("%s: %p", __func__, urb);
 547
 548         endpoint = usb_pipeendpoint(urb->pipe);
 549         port =  urb->context;
 550
 551         if (status) {
 552                 dbg("%s: nonzero status: %d on endpoint %02x.",
 553                     __func__, status, endpoint);
 554         } else {
 555                 tty = port->tty;
 556                 if (urb->actual_length) {
 557                         tty_buffer_request_room(tty, urb->actual_length);
 558                         tty_insert_flip_string(tty, data, urb->actual_length);
 559                         tty_flip_buffer_push(tty);
 560                 } else {
 561                         dbg("%s: empty read urb received", __func__);
 562                 }
 563
 564                 /* Resubmit urb so we continue receiving */
 565                 if (port->open_count && status != -ESHUTDOWN) {
 566                         err = usb_submit_urb(urb, GFP_ATOMIC);
 567                         if (err)
 568                                 printk(KERN_ERR "%s: resubmit read urb failed. "
 569                                         "(%d)", __func__, err);
 570                 }
 571         }
 572         return;
 573 }
 574
 575 static void option_outdat_callback(struct urb *urb)
 576 {
 577         struct usb_serial_port *port;
 578         struct option_port_private *portdata;
 579         int i;
 580
 581         dbg("%s", __func__);
 582
 583         port =  urb->context;
 584
 585         usb_serial_port_softint(port);
 586
 587         portdata = usb_get_serial_port_data(port);
 588         for (i = 0; i < N_OUT_URB; ++i) {
 589                 if (portdata->out_urbs[i] == urb) {
 590                         smp_mb__before_clear_bit();
 591                         clear_bit(i, &portdata->out_busy);
 592                         break;
 593                 }
 594         }
 595 }
 596
 597 static void option_instat_callback(struct urb *urb)
 598 {
 599         int err;
 600         int status = urb->status;
 601         struct usb_serial_port *port =  urb->context;
 602         struct option_port_private *portdata = usb_get_serial_port_data(port);
 603         struct usb_serial *serial = port->serial;
 604
 605         dbg("%s", __func__);
 606         dbg("%s: urb %p port %p has data %p", __func__,urb,port,portdata);
 607
 608         if (status == 0) {
 609                 struct usb_ctrlrequest *req_pkt =
 610                                 (struct usb_ctrlrequest *)urb->transfer_buffer;
 611
 612                 if (!req_pkt) {
 613                         dbg("%s: NULL req_pkt\n", __func__);
 614                         return;
 615                 }
 616                 if ((req_pkt->bRequestType == 0xA1) &&
 617                                 (req_pkt->bRequest == 0x20)) {
 618                         int old_dcd_state;
 619                         unsigned char signals = *((unsigned char *)
 620                                         urb->transfer_buffer +
 621                                         sizeof(struct usb_ctrlrequest));
 622
 623                         dbg("%s: signal x%x", __func__, signals);
 624
 625                         old_dcd_state = portdata->dcd_state;
 626                         portdata->cts_state = 1;
 627                         portdata->dcd_state = ((signals & 0x01) ? 1 : 0);
 628                         portdata->dsr_state = ((signals & 0x02) ? 1 : 0);
 629                         portdata->ri_state = ((signals & 0x08) ? 1 : 0);
 630
 631                         if (port->tty && !C_CLOCAL(port->tty) &&
 632                                         old_dcd_state && !portdata->dcd_state)
 633                                 tty_hangup(port->tty);
 634                 } else {
 635                         dbg("%s: type %x req %x", __func__,
 636                                 req_pkt->bRequestType,req_pkt->bRequest);
 637                 }
 638         } else
 639                 dbg("%s: error %d", __func__, status);
 640
 641         /* Resubmit urb so we continue receiving IRQ data */
 642         if (status != -ESHUTDOWN) {
 643                 urb->dev = serial->dev;
 644                 err = usb_submit_urb(urb, GFP_ATOMIC);
 645                 if (err)
 646                         dbg("%s: resubmit intr urb failed. (%d)",
 647                                 __func__, err);
 648         }
 649 }
 650
 651 static int option_write_room(struct usb_serial_port *port)
 652 {
 653         struct option_port_private *portdata;
 654         int i;
 655         int data_len = 0;
 656         struct urb *this_urb;
 657
 658         portdata = usb_get_serial_port_data(port);
 659
 660
 661         for (i=0; i < N_OUT_URB; i++) {
 662                 this_urb = portdata->out_urbs[i];
 663                 if (this_urb && !test_bit(i, &portdata->out_busy))
 664                         data_len += OUT_BUFLEN;
 665         }
 666
 667         dbg("%s: %d", __func__, data_len);
 668         return data_len;
 669 }
 670
 671 static int option_chars_in_buffer(struct usb_serial_port *port)
 672 {
 673         struct option_port_private *portdata;
 674         int i;
 675         int data_len = 0;
 676         struct urb *this_urb;
 677
 678         portdata = usb_get_serial_port_data(port);
 679
 680         for (i=0; i < N_OUT_URB; i++) {
 681                 this_urb = portdata->out_urbs[i];
 682                 /* FIXME: This locking is insufficient as this_urb may
 683                    go unused during the test */
 684                 if (this_urb && test_bit(i, &portdata->out_busy))
 685                         data_len += this_urb->transfer_buffer_length;
 686         }
 687         dbg("%s: %d", __func__, data_len);
 688         return data_len;
 689 }
 690
 691 static int option_open(struct usb_serial_port *port, struct file *filp)
 692 {
 693         struct option_port_private *portdata;
 694         struct usb_serial *serial = port->serial;
 695         int i, err;
 696         struct urb *urb;
 697
 698         portdata = usb_get_serial_port_data(port);
 699
 700         dbg("%s", __func__);
 701
 702         /* Set some sane defaults */
 703         portdata->rts_state = 1;
 704         portdata->dtr_state = 1;
 705
 706         /* Reset low level data toggle and start reading from endpoints */
 707         for (i = 0; i < N_IN_URB; i++) {
 708                 urb = portdata->in_urbs[i];
 709                 if (! urb)
 710                         continue;
 711                 if (urb->dev != serial->dev) {
 712                         dbg("%s: dev %p != %p", __func__,
 713                                 urb->dev, serial->dev);
 714                         continue;
 715                 }
 716
 717                 /*
 718                  * make sure endpoint data toggle is synchronized with the
 719                  * device
 720                  */
 721                 usb_clear_halt(urb->dev, urb->pipe);
 722
 723                 err = usb_submit_urb(urb, GFP_KERNEL);
 724                 if (err) {
 725                         dbg("%s: submit urb %d failed (%d) %d",
 726                                 __func__, i, err,
 727                                 urb->transfer_buffer_length);
 728                 }
 729         }
 730
 731         /* Reset low level data toggle on out endpoints */
 732         for (i = 0; i < N_OUT_URB; i++) {
 733                 urb = portdata->out_urbs[i];
 734                 if (! urb)
 735                         continue;
 736                 urb->dev = serial->dev;
 737                 /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe),
 738                                 usb_pipeout(urb->pipe), 0); */
 739         }
 740
 741         port->tty->low_latency = 1;
 742
 743         option_send_setup(port);
 744
 745         return (0);
 746 }
 747
 748 static void option_close(struct usb_serial_port *port, struct file *filp)
 749 {
 750         int i;
 751         struct usb_serial *serial = port->serial;
 752         struct option_port_private *portdata;
 753
 754         dbg("%s", __func__);
 755         portdata = usb_get_serial_port_data(port);
 756
 757         portdata->rts_state = 0;
 758         portdata->dtr_state = 0;
 759
 760         if (serial->dev) {
 761                 mutex_lock(&serial->disc_mutex);
 762                 if (!serial->disconnected)
 763                         option_send_setup(port);
 764                 mutex_unlock(&serial->disc_mutex);
 765
 766                 /* Stop reading/writing urbs */
 767                 for (i = 0; i < N_IN_URB; i++)
 768                         usb_kill_urb(portdata->in_urbs[i]);
 769                 for (i = 0; i < N_OUT_URB; i++)
 770                         usb_kill_urb(portdata->out_urbs[i]);
 771         }
 772         port->tty = NULL;
 773 }
 774
 775 /* Helper functions used by option_setup_urbs */
 776 static struct urb *option_setup_urb(struct usb_serial *serial, int endpoint,
 777                 int dir, void *ctx, char *buf, int len,
 778                 void (*callback)(struct urb *))
 779 {
 780         struct urb *urb;
 781
 782         if (endpoint == -1)
 783                 return NULL;            /* endpoint not needed */
 784
 785         urb = usb_alloc_urb(0, GFP_KERNEL);             /* No ISO */
 786         if (urb == NULL) {
 787                 dbg("%s: alloc for endpoint %d failed.", __func__, endpoint);
 788                 return NULL;
 789         }
 790
 791                 /* Fill URB using supplied data. */
 792         usb_fill_bulk_urb(urb, serial->dev,
 793                       usb_sndbulkpipe(serial->dev, endpoint) | dir,
 794                       buf, len, callback, ctx);
 795
 796         return urb;
 797 }
 798
 799 /* Setup urbs */
 800 static void option_setup_urbs(struct usb_serial *serial)
 801 {
 802         int i,j;
 803         struct usb_serial_port *port;
 804         struct option_port_private *portdata;
 805
 806         dbg("%s", __func__);
 807
 808         for (i = 0; i < serial->num_ports; i++) {
 809                 port = serial->port[i];
 810                 portdata = usb_get_serial_port_data(port);
 811
 812         /* Do indat endpoints first */
 813                 for (j = 0; j < N_IN_URB; ++j) {
 814                         portdata->in_urbs[j] = option_setup_urb (serial,
 815                         port->bulk_in_endpointAddress, USB_DIR_IN, port,
 816                         portdata->in_buffer[j], IN_BUFLEN, option_indat_callback);
 817                 }
 818
 819                 /* outdat endpoints */
 820                 for (j = 0; j < N_OUT_URB; ++j) {
 821                         portdata->out_urbs[j] = option_setup_urb (serial,
 822                         port->bulk_out_endpointAddress, USB_DIR_OUT, port,
 823                         portdata->out_buffer[j], OUT_BUFLEN, option_outdat_callback);
 824                 }
 825         }
 826 }
 827
 828
 829 /** send RTS/DTR state to the port.
 830  *
 831  * This is exactly the same as SET_CONTROL_LINE_STATE from the PSTN
 832  * CDC.
 833 */
 834 static int option_send_setup(struct usb_serial_port *port)
 835 {
 836         struct usb_serial *serial = port->serial;
 837         struct option_port_private *portdata;
 838         int ifNum = serial->interface->cur_altsetting->desc.bInterfaceNumber;
 839         dbg("%s", __func__);
 840
 841         portdata = usb_get_serial_port_data(port);
 842
 843         if (port->tty) {
 844                 int val = 0;
 845                 if (portdata->dtr_state)
 846                         val |= 0x01;
 847                 if (portdata->rts_state)
 848                         val |= 0x02;
 849
 850                 return usb_control_msg(serial->dev,
 851                                 usb_rcvctrlpipe(serial->dev, 0),
 852                                 0x22,0x21,val,ifNum,NULL,0,USB_CTRL_SET_TIMEOUT);
 853         }
 854
 855         return 0;
 856 }
 857
 858 static int option_startup(struct usb_serial *serial)
 859 {
 860         int i, j, err;
 861         struct usb_serial_port *port;
 862         struct option_port_private *portdata;
 863         u8 *buffer;
 864
 865         dbg("%s", __func__);
 866
 867         /* Now setup per port private data */
 868         for (i = 0; i < serial->num_ports; i++) {
 869                 port = serial->port[i];
 870                 portdata = kzalloc(sizeof(*portdata), GFP_KERNEL);
 871                 if (!portdata) {
 872                         dbg("%s: kmalloc for option_port_private (%d) failed!.",
 873                                         __func__, i);
 874                         return (1);
 875                 }
 876
 877                 for (j = 0; j < N_IN_URB; j++) {
 878                         buffer = (u8 *)__get_free_page(GFP_KERNEL);
 879                         if (!buffer)
 880                                 goto bail_out_error;
 881                         portdata->in_buffer[j] = buffer;
 882                 }
 883
 884                 for (j = 0; j < N_OUT_URB; j++) {
 885                         buffer = kmalloc(OUT_BUFLEN, GFP_KERNEL);
 886                         if (!buffer)
 887                                 goto bail_out_error2;
 888                         portdata->out_buffer[j] = buffer;
 889                 }
 890
 891                 usb_set_serial_port_data(port, portdata);
 892
 893                 if (! port->interrupt_in_urb)
 894                         continue;
 895                 err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
 896                 if (err)
 897                         dbg("%s: submit irq_in urb failed %d",
 898                                 __func__, err);
 899         }
 900
 901         option_setup_urbs(serial);
 902
 903         return (0);
 904
 905 bail_out_error2:
 906         for (j = 0; j < N_OUT_URB; j++)
 907                 kfree(portdata->out_buffer[j]);
 908 bail_out_error:
 909         for (j = 0; j < N_IN_URB; j++)
 910                 if (portdata->in_buffer[j])
 911                         free_page((unsigned long)portdata->in_buffer[j]);
 912         kfree(portdata);
 913         return 1;
 914 }
 915
 916 static void option_shutdown(struct usb_serial *serial)
 917 {
 918         int i, j;
 919         struct usb_serial_port *port;
 920         struct option_port_private *portdata;
 921
 922         dbg("%s", __func__);
 923
 924         /* Stop reading/writing urbs */
 925         for (i = 0; i < serial->num_ports; ++i) {
 926                 port = serial->port[i];
 927                 portdata = usb_get_serial_port_data(port);
 928                 for (j = 0; j < N_IN_URB; j++)
 929                         usb_kill_urb(portdata->in_urbs[j]);
 930                 for (j = 0; j < N_OUT_URB; j++)
 931                         usb_kill_urb(portdata->out_urbs[j]);
 932         }
 933
 934         /* Now free them */
 935         for (i = 0; i < serial->num_ports; ++i) {
 936                 port = serial->port[i];
 937                 portdata = usb_get_serial_port_data(port);
 938
 939                 for (j = 0; j < N_IN_URB; j++) {
 940                         if (portdata->in_urbs[j]) {
 941                                 usb_free_urb(portdata->in_urbs[j]);
 942                                 free_page((unsigned long)portdata->in_buffer[j]);
 943                                 portdata->in_urbs[j] = NULL;
 944                         }
 945                 }
 946                 for (j = 0; j < N_OUT_URB; j++) {
 947                         if (portdata->out_urbs[j]) {
 948                                 usb_free_urb(portdata->out_urbs[j]);
 949                                 kfree(portdata->out_buffer[j]);
 950                                 portdata->out_urbs[j] = NULL;
 951                         }
 952                 }
 953         }
 954
 955         /* Now free per port private data */
 956         for (i = 0; i < serial->num_ports; i++) {
 957                 port = serial->port[i];
 958                 kfree(usb_get_serial_port_data(port));
 959         }
 960 }
 961
 962 MODULE_AUTHOR(DRIVER_AUTHOR);
 963 MODULE_DESCRIPTION(DRIVER_DESC);
 964 MODULE_VERSION(DRIVER_VERSION);
 965 MODULE_LICENSE("GPL");
 966
 967 #ifdef CONFIG_USB_DEBUG
 968 module_param(debug, bool, S_IRUGO | S_IWUSR);
 969 MODULE_PARM_DESC(debug, "Debug messages");
 970 #endif
 971