SAFE public projects git trees. - safe/jmp/linux-2.6/blob - 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 tty_struct *tty, struct usb_serial_port *port,
  47                                                         struct file *filp);
  48 static void option_close(struct tty_struct *tty, struct usb_serial_port *port,
  49                                                         struct file *filp);
  50 static int  option_startup(struct usb_serial *serial);
  51 static void option_shutdown(struct usb_serial *serial);
  52 static int  option_write_room(struct tty_struct *tty);
  53
  54 static void option_instat_callback(struct urb *urb);
  55
  56 static int option_write(struct tty_struct *tty, struct usb_serial_port *port,
  57                         const unsigned char *buf, int count);
  58 static int  option_chars_in_buffer(struct tty_struct *tty);
  59 static void option_set_termios(struct tty_struct *tty,
  60                         struct usb_serial_port *port, struct ktermios *old);
  61 static int  option_tiocmget(struct tty_struct *tty, struct file *file);
  62 static int  option_tiocmset(struct tty_struct *tty, struct file *file,
  63                                 unsigned int set, unsigned int clear);
  64 static int  option_send_setup(struct tty_struct *tty, struct usb_serial_port *port);
  65
  66 /* Vendor and product IDs */
  67 #define OPTION_VENDOR_ID                        0x0AF0
  68 #define OPTION_PRODUCT_COLT                     0x5000
  69 #define OPTION_PRODUCT_RICOLA                   0x6000
  70 #define OPTION_PRODUCT_RICOLA_LIGHT             0x6100
  71 #define OPTION_PRODUCT_RICOLA_QUAD              0x6200
  72 #define OPTION_PRODUCT_RICOLA_QUAD_LIGHT        0x6300
  73 #define OPTION_PRODUCT_RICOLA_NDIS              0x6050
  74 #define OPTION_PRODUCT_RICOLA_NDIS_LIGHT        0x6150
  75 #define OPTION_PRODUCT_RICOLA_NDIS_QUAD         0x6250
  76 #define OPTION_PRODUCT_RICOLA_NDIS_QUAD_LIGHT   0x6350
  77 #define OPTION_PRODUCT_COBRA                    0x6500
  78 #define OPTION_PRODUCT_COBRA_BUS                0x6501
  79 #define OPTION_PRODUCT_VIPER                    0x6600
  80 #define OPTION_PRODUCT_VIPER_BUS                0x6601
  81 #define OPTION_PRODUCT_GT_MAX_READY             0x6701
  82 #define OPTION_PRODUCT_GT_MAX                   0x6711
  83 #define OPTION_PRODUCT_FUJI_MODEM_LIGHT         0x6721
  84 #define OPTION_PRODUCT_FUJI_MODEM_GT            0x6741
  85 #define OPTION_PRODUCT_FUJI_MODEM_EX            0x6761
  86 #define OPTION_PRODUCT_FUJI_NETWORK_LIGHT       0x6731
  87 #define OPTION_PRODUCT_FUJI_NETWORK_GT          0x6751
  88 #define OPTION_PRODUCT_FUJI_NETWORK_EX          0x6771
  89 #define OPTION_PRODUCT_KOI_MODEM                0x6800
  90 #define OPTION_PRODUCT_KOI_NETWORK              0x6811
  91 #define OPTION_PRODUCT_SCORPION_MODEM           0x6901
  92 #define OPTION_PRODUCT_SCORPION_NETWORK         0x6911
  93 #define OPTION_PRODUCT_ETNA_MODEM               0x7001
  94 #define OPTION_PRODUCT_ETNA_NETWORK             0x7011
  95 #define OPTION_PRODUCT_ETNA_MODEM_LITE          0x7021
  96 #define OPTION_PRODUCT_ETNA_MODEM_GT            0x7041
  97 #define OPTION_PRODUCT_ETNA_MODEM_EX            0x7061
  98 #define OPTION_PRODUCT_ETNA_NETWORK_LITE        0x7031
  99 #define OPTION_PRODUCT_ETNA_NETWORK_GT          0x7051
 100 #define OPTION_PRODUCT_ETNA_NETWORK_EX          0x7071
 101 #define OPTION_PRODUCT_ETNA_KOI_MODEM           0x7100
 102 #define OPTION_PRODUCT_ETNA_KOI_NETWORK         0x7111
 103
 104 #define HUAWEI_VENDOR_ID                        0x12D1
 105 #define HUAWEI_PRODUCT_E600                     0x1001
 106 #define HUAWEI_PRODUCT_E220                     0x1003
 107 #define HUAWEI_PRODUCT_E220BIS                  0x1004
 108 #define HUAWEI_PRODUCT_E1401                    0x1401
 109 #define HUAWEI_PRODUCT_E1403                    0x1403
 110 #define HUAWEI_PRODUCT_E1405                    0x1405
 111 #define HUAWEI_PRODUCT_E1406                    0x1406
 112 #define HUAWEI_PRODUCT_E1408                    0x1408
 113 #define HUAWEI_PRODUCT_E1409                    0x1409
 114 #define HUAWEI_PRODUCT_E1410                    0x1410
 115 #define HUAWEI_PRODUCT_E1411                    0x1411
 116 #define HUAWEI_PRODUCT_E1412                    0x1412
 117 #define HUAWEI_PRODUCT_E1413                    0x1413
 118 #define HUAWEI_PRODUCT_E1414                    0x1414
 119 #define HUAWEI_PRODUCT_E1415                    0x1415
 120 #define HUAWEI_PRODUCT_E1416                    0x1416
 121 #define HUAWEI_PRODUCT_E1417                    0x1417
 122 #define HUAWEI_PRODUCT_E1418                    0x1418
 123 #define HUAWEI_PRODUCT_E1419                    0x1419
 124
 125 #define NOVATELWIRELESS_VENDOR_ID               0x1410
 126
 127 /* MERLIN EVDO PRODUCTS */
 128 #define NOVATELWIRELESS_PRODUCT_V640            0x1100
 129 #define NOVATELWIRELESS_PRODUCT_V620            0x1110
 130 #define NOVATELWIRELESS_PRODUCT_V740            0x1120
 131 #define NOVATELWIRELESS_PRODUCT_V720            0x1130
 132
 133 /* MERLIN HSDPA/HSPA PRODUCTS */
 134 #define NOVATELWIRELESS_PRODUCT_U730            0x1400
 135 #define NOVATELWIRELESS_PRODUCT_U740            0x1410
 136 #define NOVATELWIRELESS_PRODUCT_U870            0x1420
 137 #define NOVATELWIRELESS_PRODUCT_XU870           0x1430
 138 #define NOVATELWIRELESS_PRODUCT_X950D           0x1450
 139
 140 /* EXPEDITE PRODUCTS */
 141 #define NOVATELWIRELESS_PRODUCT_EV620           0x2100
 142 #define NOVATELWIRELESS_PRODUCT_ES720           0x2110
 143 #define NOVATELWIRELESS_PRODUCT_E725            0x2120
 144 #define NOVATELWIRELESS_PRODUCT_ES620           0x2130
 145 #define NOVATELWIRELESS_PRODUCT_EU730           0x2400
 146 #define NOVATELWIRELESS_PRODUCT_EU740           0x2410
 147 #define NOVATELWIRELESS_PRODUCT_EU870D          0x2420
 148
 149 /* OVATION PRODUCTS */
 150 #define NOVATELWIRELESS_PRODUCT_MC727           0x4100
 151 #define NOVATELWIRELESS_PRODUCT_MC950D          0x4400
 152
 153 /* FUTURE NOVATEL PRODUCTS */
 154 #define NOVATELWIRELESS_PRODUCT_EVDO_1          0x6000
 155 #define NOVATELWIRELESS_PRODUCT_HSPA_1          0x7000
 156 #define NOVATELWIRELESS_PRODUCT_EMBEDDED_1      0x8000
 157 #define NOVATELWIRELESS_PRODUCT_GLOBAL_1        0x9000
 158 #define NOVATELWIRELESS_PRODUCT_EVDO_2          0x6001
 159 #define NOVATELWIRELESS_PRODUCT_HSPA_2          0x7001
 160 #define NOVATELWIRELESS_PRODUCT_EMBEDDED_2      0x8001
 161 #define NOVATELWIRELESS_PRODUCT_GLOBAL_2        0x9001
 162
 163 /* AMOI PRODUCTS */
 164 #define AMOI_VENDOR_ID                          0x1614
 165 #define AMOI_PRODUCT_H01                        0x0800
 166 #define AMOI_PRODUCT_H01A                       0x7002
 167 #define AMOI_PRODUCT_H02                        0x0802
 168
 169 #define DELL_VENDOR_ID                          0x413C
 170
 171 #define KYOCERA_VENDOR_ID                       0x0c88
 172 #define KYOCERA_PRODUCT_KPC650                  0x17da
 173 #define KYOCERA_PRODUCT_KPC680                  0x180a
 174
 175 #define ANYDATA_VENDOR_ID                       0x16d5
 176 #define ANYDATA_PRODUCT_ADU_E100A               0x6501
 177 #define ANYDATA_PRODUCT_ADU_500A                0x6502
 178
 179 #define AXESSTEL_VENDOR_ID                      0x1726
 180 #define AXESSTEL_PRODUCT_MV110H                 0x1000
 181
 182 #define ONDA_VENDOR_ID                          0x19d2
 183 #define ONDA_PRODUCT_MSA501HS                   0x0001
 184 #define ONDA_PRODUCT_ET502HS                    0x0002
 185
 186 #define BANDRICH_VENDOR_ID                      0x1A8D
 187 #define BANDRICH_PRODUCT_C100_1                 0x1002
 188 #define BANDRICH_PRODUCT_C100_2                 0x1003
 189 #define BANDRICH_PRODUCT_1004                   0x1004
 190 #define BANDRICH_PRODUCT_1005                   0x1005
 191 #define BANDRICH_PRODUCT_1006                   0x1006
 192 #define BANDRICH_PRODUCT_1007                   0x1007
 193 #define BANDRICH_PRODUCT_1008                   0x1008
 194 #define BANDRICH_PRODUCT_1009                   0x1009
 195 #define BANDRICH_PRODUCT_100A                   0x100a
 196
 197 #define BANDRICH_PRODUCT_100B                   0x100b
 198 #define BANDRICH_PRODUCT_100C                   0x100c
 199 #define BANDRICH_PRODUCT_100D                   0x100d
 200 #define BANDRICH_PRODUCT_100E                   0x100e
 201
 202 #define BANDRICH_PRODUCT_100F                   0x100f
 203 #define BANDRICH_PRODUCT_1010                   0x1010
 204 #define BANDRICH_PRODUCT_1011                   0x1011
 205 #define BANDRICH_PRODUCT_1012                   0x1012
 206
 207 #define AMOI_VENDOR_ID                  0x1614
 208 #define AMOI_PRODUCT_9508                       0x0800
 209
 210 #define QUALCOMM_VENDOR_ID                      0x05C6
 211
 212 #define MAXON_VENDOR_ID                         0x16d8
 213
 214 #define TELIT_VENDOR_ID                         0x1bc7
 215 #define TELIT_PRODUCT_UC864E                    0x1003
 216
 217 /* ZTE PRODUCTS */
 218 #define ZTE_VENDOR_ID                           0x19d2
 219 #define ZTE_PRODUCT_MF628                       0x0015
 220
 221 static struct usb_device_id option_ids[] = {
 222         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
 223         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
 224         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_LIGHT) },
 225         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD) },
 226         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD_LIGHT) },
 227         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS) },
 228         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_LIGHT) },
 229         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD) },
 230         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD_LIGHT) },
 231         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA) },
 232         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA_BUS) },
 233         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER) },
 234         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER_BUS) },
 235         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GT_MAX_READY) },
 236         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GT_MAX) },
 237         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_LIGHT) },
 238         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_GT) },
 239         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_EX) },
 240         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_LIGHT) },
 241         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_GT) },
 242         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_EX) },
 243         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_KOI_MODEM) },
 244         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_KOI_NETWORK) },
 245         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_MODEM) },
 246         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_NETWORK) },
 247         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM) },
 248         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK) },
 249         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_LITE) },
 250         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_GT) },
 251         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_EX) },
 252         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_LITE) },
 253         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_GT) },
 254         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_EX) },
 255         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_MODEM) },
 256         { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_NETWORK) },
 257         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E600, 0xff, 0xff, 0xff) },
 258         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220, 0xff, 0xff, 0xff) },
 259         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220BIS, 0xff, 0xff, 0xff) },
 260         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1401, 0xff, 0xff, 0xff) },
 261         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1403, 0xff, 0xff, 0xff) },
 262         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1405, 0xff, 0xff, 0xff) },
 263         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1406, 0xff, 0xff, 0xff) },
 264         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1408, 0xff, 0xff, 0xff) },
 265         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1409, 0xff, 0xff, 0xff) },
 266         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1410, 0xff, 0xff, 0xff) },
 267         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1411, 0xff, 0xff, 0xff) },
 268         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1412, 0xff, 0xff, 0xff) },
 269         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1413, 0xff, 0xff, 0xff) },
 270         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1414, 0xff, 0xff, 0xff) },
 271         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1415, 0xff, 0xff, 0xff) },
 272         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1416, 0xff, 0xff, 0xff) },
 273         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1417, 0xff, 0xff, 0xff) },
 274         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1418, 0xff, 0xff, 0xff) },
 275         { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1419, 0xff, 0xff, 0xff) },
 276         { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_9508) },
 277         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) }, /* Novatel Merlin V640/XV620 */
 278         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) }, /* Novatel Merlin V620/S620 */
 279         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V740) }, /* Novatel Merlin EX720/V740/X720 */
 280         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V720) }, /* Novatel Merlin V720/S720/PC720 */
 281         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U730) }, /* Novatel U730/U740 (VF version) */
 282         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U740) }, /* Novatel U740 */
 283         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U870) }, /* Novatel U870 */
 284         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_XU870) }, /* Novatel Merlin XU870 HSDPA/3G */
 285         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_X950D) }, /* Novatel X950D */
 286         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EV620) }, /* Novatel EV620/ES620 CDMA/EV-DO */
 287         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_ES720) }, /* Novatel ES620/ES720/U720/USB720 */
 288         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E725) }, /* Novatel E725/E726 */
 289         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_ES620) }, /* Novatel Merlin ES620 SM Bus */
 290         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU730) }, /* Novatel EU730 and Vodafone EU740 */
 291         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU740) }, /* Novatel non-Vodafone EU740 */
 292         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU870D) }, /* Novatel EU850D/EU860D/EU870D */
 293         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC950D) }, /* Novatel MC930D/MC950D */
 294         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC727) }, /* Novatel MC727/U727/USB727 */
 295         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_1) }, /* Novatel EVDO product */
 296         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_1) }, /* Novatel HSPA product */
 297         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EMBEDDED_1) }, /* Novatel Embedded product */
 298         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_GLOBAL_1) }, /* Novatel Global product */
 299         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_2) }, /* Novatel EVDO product */
 300         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_2) }, /* Novatel HSPA product */
 301         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EMBEDDED_2) }, /* Novatel Embedded product */
 302         { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_GLOBAL_2) }, /* Novatel Global product */
 303
 304         { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01) },
 305         { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01A) },
 306         { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H02) },
 307
 308         { USB_DEVICE(DELL_VENDOR_ID, 0x8114) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite EV620 CDMA/EV-DO */
 309         { USB_DEVICE(DELL_VENDOR_ID, 0x8115) }, /* Dell Wireless 5500 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */
 310         { USB_DEVICE(DELL_VENDOR_ID, 0x8116) }, /* Dell Wireless 5505 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */
 311         { USB_DEVICE(DELL_VENDOR_ID, 0x8117) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO ExpressCard == Novatel Merlin XV620 CDMA/EV-DO */
 312         { USB_DEVICE(DELL_VENDOR_ID, 0x8118) }, /* Dell Wireless 5510 Mobile Broadband HSDPA ExpressCard == Novatel Merlin XU870 HSDPA/3G */
 313         { USB_DEVICE(DELL_VENDOR_ID, 0x8128) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite E720 CDMA/EV-DO */
 314         { USB_DEVICE(DELL_VENDOR_ID, 0x8129) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite ET620 CDMA/EV-DO */
 315         { USB_DEVICE(DELL_VENDOR_ID, 0x8133) }, /* Dell Wireless 5720 == Novatel EV620 CDMA/EV-DO */
 316         { USB_DEVICE(DELL_VENDOR_ID, 0x8136) }, /* Dell Wireless HSDPA 5520 == Novatel Expedite EU860D */
 317         { USB_DEVICE(DELL_VENDOR_ID, 0x8137) }, /* Dell Wireless HSDPA 5520 */
 318         { USB_DEVICE(DELL_VENDOR_ID, 0x8138) }, /* Dell Wireless 5520 Voda I Mobile Broadband (3G HSDPA) Minicard */
 319         { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) },
 320         { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) },
 321         { USB_DEVICE(AXESSTEL_VENDOR_ID, AXESSTEL_PRODUCT_MV110H) },
 322         { USB_DEVICE(ONDA_VENDOR_ID, ONDA_PRODUCT_MSA501HS) },
 323         { USB_DEVICE(ONDA_VENDOR_ID, ONDA_PRODUCT_ET502HS) },
 324         { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_1) },
 325         { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_2) },
 326         { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1004) },
 327         { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1005) },
 328         { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1006) },
 329         { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1007) },
 330         { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1008) },
 331         { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1009) },
 332         { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100A) },
 333         { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100B) },
 334         { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100C) },
 335         { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100D) },
 336         { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100E) },
 337         { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100F) },
 338         { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1010) },
 339         { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1011) },
 340         { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1012) },
 341         { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC650) },
 342         { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) },
 343         { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6000)}, /* ZTE AC8700 */
 344         { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
 345         { USB_DEVICE(MAXON_VENDOR_ID, 0x6280) }, /* BP3-USB & BP3-EXT HSDPA */
 346         { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },
 347         { USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_MF628) },
 348         { } /* Terminating entry */
 349 };
 350 MODULE_DEVICE_TABLE(usb, option_ids);
 351
 352 static struct usb_driver option_driver = {
 353         .name       = "option",
 354         .probe      = usb_serial_probe,
 355         .disconnect = usb_serial_disconnect,
 356         .id_table   = option_ids,
 357         .no_dynamic_id =        1,
 358 };
 359
 360 /* The card has three separate interfaces, which the serial driver
 361  * recognizes separately, thus num_port=1.
 362  */
 363
 364 static struct usb_serial_driver option_1port_device = {
 365         .driver = {
 366                 .owner =        THIS_MODULE,
 367                 .name =         "option1",
 368         },
 369         .description       = "GSM modem (1-port)",
 370         .usb_driver        = &option_driver,
 371         .id_table          = option_ids,
 372         .num_ports         = 1,
 373         .open              = option_open,
 374         .close             = option_close,
 375         .write             = option_write,
 376         .write_room        = option_write_room,
 377         .chars_in_buffer   = option_chars_in_buffer,
 378         .set_termios       = option_set_termios,
 379         .tiocmget          = option_tiocmget,
 380         .tiocmset          = option_tiocmset,
 381         .attach            = option_startup,
 382         .shutdown          = option_shutdown,
 383         .read_int_callback = option_instat_callback,
 384 };
 385
 386 static int debug;
 387
 388 /* per port private data */
 389
 390 #define N_IN_URB 4
 391 #define N_OUT_URB 1
 392 #define IN_BUFLEN 4096
 393 #define OUT_BUFLEN 128
 394
 395 struct option_port_private {
 396         /* Input endpoints and buffer for this port */
 397         struct urb *in_urbs[N_IN_URB];
 398         u8 *in_buffer[N_IN_URB];
 399         /* Output endpoints and buffer for this port */
 400         struct urb *out_urbs[N_OUT_URB];
 401         u8 *out_buffer[N_OUT_URB];
 402         unsigned long out_busy;         /* Bit vector of URBs in use */
 403
 404         /* Settings for the port */
 405         int rts_state;  /* Handshaking pins (outputs) */
 406         int dtr_state;
 407         int cts_state;  /* Handshaking pins (inputs) */
 408         int dsr_state;
 409         int dcd_state;
 410         int ri_state;
 411
 412         unsigned long tx_start_time[N_OUT_URB];
 413 };
 414
 415 /* Functions used by new usb-serial code. */
 416 static int __init option_init(void)
 417 {
 418         int retval;
 419         retval = usb_serial_register(&option_1port_device);
 420         if (retval)
 421                 goto failed_1port_device_register;
 422         retval = usb_register(&option_driver);
 423         if (retval)
 424                 goto failed_driver_register;
 425
 426         info(DRIVER_DESC ": " DRIVER_VERSION);
 427
 428         return 0;
 429
 430 failed_driver_register:
 431         usb_serial_deregister(&option_1port_device);
 432 failed_1port_device_register:
 433         return retval;
 434 }
 435
 436 static void __exit option_exit(void)
 437 {
 438         usb_deregister(&option_driver);
 439         usb_serial_deregister(&option_1port_device);
 440 }
 441
 442 module_init(option_init);
 443 module_exit(option_exit);
 444
 445 static void option_set_termios(struct tty_struct *tty,
 446                 struct usb_serial_port *port, struct ktermios *old_termios)
 447 {
 448         dbg("%s", __func__);
 449         /* Doesn't support option setting */
 450         tty_termios_copy_hw(tty->termios, old_termios);
 451         option_send_setup(tty, port);
 452 }
 453
 454 static int option_tiocmget(struct tty_struct *tty, struct file *file)
 455 {
 456         struct usb_serial_port *port = tty->driver_data;
 457         unsigned int value;
 458         struct option_port_private *portdata;
 459
 460         portdata = usb_get_serial_port_data(port);
 461
 462         value = ((portdata->rts_state) ? TIOCM_RTS : 0) |
 463                 ((portdata->dtr_state) ? TIOCM_DTR : 0) |
 464                 ((portdata->cts_state) ? TIOCM_CTS : 0) |
 465                 ((portdata->dsr_state) ? TIOCM_DSR : 0) |
 466                 ((portdata->dcd_state) ? TIOCM_CAR : 0) |
 467                 ((portdata->ri_state) ? TIOCM_RNG : 0);
 468
 469         return value;
 470 }
 471
 472 static int option_tiocmset(struct tty_struct *tty, struct file *file,
 473                         unsigned int set, unsigned int clear)
 474 {
 475         struct usb_serial_port *port = tty->driver_data;
 476         struct option_port_private *portdata;
 477
 478         portdata = usb_get_serial_port_data(port);
 479
 480         /* FIXME: what locks portdata fields ? */
 481         if (set & TIOCM_RTS)
 482                 portdata->rts_state = 1;
 483         if (set & TIOCM_DTR)
 484                 portdata->dtr_state = 1;
 485
 486         if (clear & TIOCM_RTS)
 487                 portdata->rts_state = 0;
 488         if (clear & TIOCM_DTR)
 489                 portdata->dtr_state = 0;
 490         return option_send_setup(tty, port);
 491 }
 492
 493 /* Write */
 494 static int option_write(struct tty_struct *tty, struct usb_serial_port *port,
 495                         const unsigned char *buf, int count)
 496 {
 497         struct option_port_private *portdata;
 498         int i;
 499         int left, todo;
 500         struct urb *this_urb = NULL; /* spurious */
 501         int err;
 502
 503         portdata = usb_get_serial_port_data(port);
 504
 505         dbg("%s: write (%d chars)", __func__, count);
 506
 507         i = 0;
 508         left = count;
 509         for (i = 0; left > 0 && i < N_OUT_URB; i++) {
 510                 todo = left;
 511                 if (todo > OUT_BUFLEN)
 512                         todo = OUT_BUFLEN;
 513
 514                 this_urb = portdata->out_urbs[i];
 515                 if (test_and_set_bit(i, &portdata->out_busy)) {
 516                         if (time_before(jiffies,
 517                                         portdata->tx_start_time[i] + 10 * HZ))
 518                                 continue;
 519                         usb_unlink_urb(this_urb);
 520                         continue;
 521                 }
 522                 if (this_urb->status != 0)
 523                         dbg("usb_write %p failed (err=%d)",
 524                                 this_urb, this_urb->status);
 525
 526                 dbg("%s: endpoint %d buf %d", __func__,
 527                         usb_pipeendpoint(this_urb->pipe), i);
 528
 529                 /* send the data */
 530                 memcpy(this_urb->transfer_buffer, buf, todo);
 531                 this_urb->transfer_buffer_length = todo;
 532
 533                 this_urb->dev = port->serial->dev;
 534                 err = usb_submit_urb(this_urb, GFP_ATOMIC);
 535                 if (err) {
 536                         dbg("usb_submit_urb %p (write bulk) failed "
 537                                 "(%d, has %d)", this_urb,
 538                                 err, this_urb->status);
 539                         clear_bit(i, &portdata->out_busy);
 540                         continue;
 541                 }
 542                 portdata->tx_start_time[i] = jiffies;
 543                 buf += todo;
 544                 left -= todo;
 545         }
 546
 547         count -= left;
 548         dbg("%s: wrote (did %d)", __func__, count);
 549         return count;
 550 }
 551
 552 static void option_indat_callback(struct urb *urb)
 553 {
 554         int err;
 555         int endpoint;
 556         struct usb_serial_port *port;
 557         struct tty_struct *tty;
 558         unsigned char *data = urb->transfer_buffer;
 559         int status = urb->status;
 560
 561         dbg("%s: %p", __func__, urb);
 562
 563         endpoint = usb_pipeendpoint(urb->pipe);
 564         port =  urb->context;
 565
 566         if (status) {
 567                 dbg("%s: nonzero status: %d on endpoint %02x.",
 568                     __func__, status, endpoint);
 569         } else {
 570                 tty = port->port.tty;
 571                 if (urb->actual_length) {
 572                         tty_buffer_request_room(tty, urb->actual_length);
 573                         tty_insert_flip_string(tty, data, urb->actual_length);
 574                         tty_flip_buffer_push(tty);
 575                 } else {
 576                         dbg("%s: empty read urb received", __func__);
 577                 }
 578
 579                 /* Resubmit urb so we continue receiving */
 580                 if (port->port.count && status != -ESHUTDOWN) {
 581                         err = usb_submit_urb(urb, GFP_ATOMIC);
 582                         if (err)
 583                                 printk(KERN_ERR "%s: resubmit read urb failed. "
 584                                         "(%d)", __func__, err);
 585                 }
 586         }
 587         return;
 588 }
 589
 590 static void option_outdat_callback(struct urb *urb)
 591 {
 592         struct usb_serial_port *port;
 593         struct option_port_private *portdata;
 594         int i;
 595
 596         dbg("%s", __func__);
 597
 598         port =  urb->context;
 599
 600         usb_serial_port_softint(port);
 601
 602         portdata = usb_get_serial_port_data(port);
 603         for (i = 0; i < N_OUT_URB; ++i) {
 604                 if (portdata->out_urbs[i] == urb) {
 605                         smp_mb__before_clear_bit();
 606                         clear_bit(i, &portdata->out_busy);
 607                         break;
 608                 }
 609         }
 610 }
 611
 612 static void option_instat_callback(struct urb *urb)
 613 {
 614         int err;
 615         int status = urb->status;
 616         struct usb_serial_port *port =  urb->context;
 617         struct option_port_private *portdata = usb_get_serial_port_data(port);
 618         struct usb_serial *serial = port->serial;
 619
 620         dbg("%s", __func__);
 621         dbg("%s: urb %p port %p has data %p", __func__, urb, port, portdata);
 622
 623         if (status == 0) {
 624                 struct usb_ctrlrequest *req_pkt =
 625                                 (struct usb_ctrlrequest *)urb->transfer_buffer;
 626
 627                 if (!req_pkt) {
 628                         dbg("%s: NULL req_pkt\n", __func__);
 629                         return;
 630                 }
 631                 if ((req_pkt->bRequestType == 0xA1) &&
 632                                 (req_pkt->bRequest == 0x20)) {
 633                         int old_dcd_state;
 634                         unsigned char signals = *((unsigned char *)
 635                                         urb->transfer_buffer +
 636                                         sizeof(struct usb_ctrlrequest));
 637
 638                         dbg("%s: signal x%x", __func__, signals);
 639
 640                         old_dcd_state = portdata->dcd_state;
 641                         portdata->cts_state = 1;
 642                         portdata->dcd_state = ((signals & 0x01) ? 1 : 0);
 643                         portdata->dsr_state = ((signals & 0x02) ? 1 : 0);
 644                         portdata->ri_state = ((signals & 0x08) ? 1 : 0);
 645
 646                         if (port->port.tty && !C_CLOCAL(port->port.tty) &&
 647                                         old_dcd_state && !portdata->dcd_state)
 648                                 tty_hangup(port->port.tty);
 649                 } else {
 650                         dbg("%s: type %x req %x", __func__,
 651                                 req_pkt->bRequestType, req_pkt->bRequest);
 652                 }
 653         } else
 654                 dbg("%s: error %d", __func__, status);
 655
 656         /* Resubmit urb so we continue receiving IRQ data */
 657         if (status != -ESHUTDOWN) {
 658                 urb->dev = serial->dev;
 659                 err = usb_submit_urb(urb, GFP_ATOMIC);
 660                 if (err)
 661                         dbg("%s: resubmit intr urb failed. (%d)",
 662                                 __func__, err);
 663         }
 664 }
 665
 666 static int option_write_room(struct tty_struct *tty)
 667 {
 668         struct usb_serial_port *port = tty->driver_data;
 669         struct option_port_private *portdata;
 670         int i;
 671         int data_len = 0;
 672         struct urb *this_urb;
 673
 674         portdata = usb_get_serial_port_data(port);
 675
 676
 677         for (i = 0; i < N_OUT_URB; i++) {
 678                 this_urb = portdata->out_urbs[i];
 679                 if (this_urb && !test_bit(i, &portdata->out_busy))
 680                         data_len += OUT_BUFLEN;
 681         }
 682
 683         dbg("%s: %d", __func__, data_len);
 684         return data_len;
 685 }
 686
 687 static int option_chars_in_buffer(struct tty_struct *tty)
 688 {
 689         struct usb_serial_port *port = tty->driver_data;
 690         struct option_port_private *portdata;
 691         int i;
 692         int data_len = 0;
 693         struct urb *this_urb;
 694
 695         portdata = usb_get_serial_port_data(port);
 696
 697         for (i = 0; i < N_OUT_URB; i++) {
 698                 this_urb = portdata->out_urbs[i];
 699                 /* FIXME: This locking is insufficient as this_urb may
 700                    go unused during the test */
 701                 if (this_urb && test_bit(i, &portdata->out_busy))
 702                         data_len += this_urb->transfer_buffer_length;
 703         }
 704         dbg("%s: %d", __func__, data_len);
 705         return data_len;
 706 }
 707
 708 static int option_open(struct tty_struct *tty,
 709                         struct usb_serial_port *port, struct file *filp)
 710 {
 711         struct option_port_private *portdata;
 712         struct usb_serial *serial = port->serial;
 713         int i, err;
 714         struct urb *urb;
 715
 716         portdata = usb_get_serial_port_data(port);
 717
 718         dbg("%s", __func__);
 719
 720         /* Set some sane defaults */
 721         portdata->rts_state = 1;
 722         portdata->dtr_state = 1;
 723
 724         /* Reset low level data toggle and start reading from endpoints */
 725         for (i = 0; i < N_IN_URB; i++) {
 726                 urb = portdata->in_urbs[i];
 727                 if (!urb)
 728                         continue;
 729                 if (urb->dev != serial->dev) {
 730                         dbg("%s: dev %p != %p", __func__,
 731                                 urb->dev, serial->dev);
 732                         continue;
 733                 }
 734
 735                 /*
 736                  * make sure endpoint data toggle is synchronized with the
 737                  * device
 738                  */
 739                 usb_clear_halt(urb->dev, urb->pipe);
 740
 741                 err = usb_submit_urb(urb, GFP_KERNEL);
 742                 if (err) {
 743                         dbg("%s: submit urb %d failed (%d) %d",
 744                                 __func__, i, err,
 745                                 urb->transfer_buffer_length);
 746                 }
 747         }
 748
 749         /* Reset low level data toggle on out endpoints */
 750         for (i = 0; i < N_OUT_URB; i++) {
 751                 urb = portdata->out_urbs[i];
 752                 if (!urb)
 753                         continue;
 754                 urb->dev = serial->dev;
 755                 /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe),
 756                                 usb_pipeout(urb->pipe), 0); */
 757         }
 758
 759         if (tty)
 760                 tty->low_latency = 1;
 761
 762         option_send_setup(tty, port);
 763
 764         return 0;
 765 }
 766
 767 static void option_close(struct tty_struct *tty,
 768                         struct usb_serial_port *port, struct file *filp)
 769 {
 770         int i;
 771         struct usb_serial *serial = port->serial;
 772         struct option_port_private *portdata;
 773
 774         dbg("%s", __func__);
 775         portdata = usb_get_serial_port_data(port);
 776
 777         portdata->rts_state = 0;
 778         portdata->dtr_state = 0;
 779
 780         if (serial->dev) {
 781                 mutex_lock(&serial->disc_mutex);
 782                 if (!serial->disconnected)
 783                         option_send_setup(tty, port);
 784                 mutex_unlock(&serial->disc_mutex);
 785
 786                 /* Stop reading/writing urbs */
 787                 for (i = 0; i < N_IN_URB; i++)
 788                         usb_kill_urb(portdata->in_urbs[i]);
 789                 for (i = 0; i < N_OUT_URB; i++)
 790                         usb_kill_urb(portdata->out_urbs[i]);
 791         }
 792         port->port.tty = NULL;  /* FIXME */
 793 }
 794
 795 /* Helper functions used by option_setup_urbs */
 796 static struct urb *option_setup_urb(struct usb_serial *serial, int endpoint,
 797                 int dir, void *ctx, char *buf, int len,
 798                 void (*callback)(struct urb *))
 799 {
 800         struct urb *urb;
 801
 802         if (endpoint == -1)
 803                 return NULL;            /* endpoint not needed */
 804
 805         urb = usb_alloc_urb(0, GFP_KERNEL);             /* No ISO */
 806         if (urb == NULL) {
 807                 dbg("%s: alloc for endpoint %d failed.", __func__, endpoint);
 808                 return NULL;
 809         }
 810
 811                 /* Fill URB using supplied data. */
 812         usb_fill_bulk_urb(urb, serial->dev,
 813                       usb_sndbulkpipe(serial->dev, endpoint) | dir,
 814                       buf, len, callback, ctx);
 815
 816         return urb;
 817 }
 818
 819 /* Setup urbs */
 820 static void option_setup_urbs(struct usb_serial *serial)
 821 {
 822         int i, j;
 823         struct usb_serial_port *port;
 824         struct option_port_private *portdata;
 825
 826         dbg("%s", __func__);
 827
 828         for (i = 0; i < serial->num_ports; i++) {
 829                 port = serial->port[i];
 830                 portdata = usb_get_serial_port_data(port);
 831
 832                 /* Do indat endpoints first */
 833                 for (j = 0; j < N_IN_URB; ++j) {
 834                         portdata->in_urbs[j] = option_setup_urb(serial,
 835                                         port->bulk_in_endpointAddress,
 836                                         USB_DIR_IN, port,
 837                                         portdata->in_buffer[j],
 838                                         IN_BUFLEN, option_indat_callback);
 839                 }
 840
 841                 /* outdat endpoints */
 842                 for (j = 0; j < N_OUT_URB; ++j) {
 843                         portdata->out_urbs[j] = option_setup_urb(serial,
 844                                         port->bulk_out_endpointAddress,
 845                                         USB_DIR_OUT, port,
 846                                         portdata->out_buffer[j],
 847                                         OUT_BUFLEN, option_outdat_callback);
 848                 }
 849         }
 850 }
 851
 852
 853 /** send RTS/DTR state to the port.
 854  *
 855  * This is exactly the same as SET_CONTROL_LINE_STATE from the PSTN
 856  * CDC.
 857 */
 858 static int option_send_setup(struct tty_struct *tty,
 859                                                 struct usb_serial_port *port)
 860 {
 861         struct usb_serial *serial = port->serial;
 862         struct option_port_private *portdata;
 863         int ifNum = serial->interface->cur_altsetting->desc.bInterfaceNumber;
 864         dbg("%s", __func__);
 865
 866         portdata = usb_get_serial_port_data(port);
 867
 868         if (tty) {
 869                 int val = 0;
 870                 if (portdata->dtr_state)
 871                         val |= 0x01;
 872                 if (portdata->rts_state)
 873                         val |= 0x02;
 874
 875                 return usb_control_msg(serial->dev,
 876                         usb_rcvctrlpipe(serial->dev, 0),
 877                         0x22, 0x21, val, ifNum, NULL, 0, USB_CTRL_SET_TIMEOUT);
 878         }
 879         return 0;
 880 }
 881
 882 static int option_startup(struct usb_serial *serial)
 883 {
 884         int i, j, err;
 885         struct usb_serial_port *port;
 886         struct option_port_private *portdata;
 887         u8 *buffer;
 888
 889         dbg("%s", __func__);
 890
 891         /* Now setup per port private data */
 892         for (i = 0; i < serial->num_ports; i++) {
 893                 port = serial->port[i];
 894                 portdata = kzalloc(sizeof(*portdata), GFP_KERNEL);
 895                 if (!portdata) {
 896                         dbg("%s: kmalloc for option_port_private (%d) failed!.",
 897                                         __func__, i);
 898                         return 1;
 899                 }
 900
 901                 for (j = 0; j < N_IN_URB; j++) {
 902                         buffer = (u8 *)__get_free_page(GFP_KERNEL);
 903                         if (!buffer)
 904                                 goto bail_out_error;
 905                         portdata->in_buffer[j] = buffer;
 906                 }
 907
 908                 for (j = 0; j < N_OUT_URB; j++) {
 909                         buffer = kmalloc(OUT_BUFLEN, GFP_KERNEL);
 910                         if (!buffer)
 911                                 goto bail_out_error2;
 912                         portdata->out_buffer[j] = buffer;
 913                 }
 914
 915                 usb_set_serial_port_data(port, portdata);
 916
 917                 if (!port->interrupt_in_urb)
 918                         continue;
 919                 err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
 920                 if (err)
 921                         dbg("%s: submit irq_in urb failed %d",
 922                                 __func__, err);
 923         }
 924         option_setup_urbs(serial);
 925         return 0;
 926
 927 bail_out_error2:
 928         for (j = 0; j < N_OUT_URB; j++)
 929                 kfree(portdata->out_buffer[j]);
 930 bail_out_error:
 931         for (j = 0; j < N_IN_URB; j++)
 932                 if (portdata->in_buffer[j])
 933                         free_page((unsigned long)portdata->in_buffer[j]);
 934         kfree(portdata);
 935         return 1;
 936 }
 937
 938 static void option_shutdown(struct usb_serial *serial)
 939 {
 940         int i, j;
 941         struct usb_serial_port *port;
 942         struct option_port_private *portdata;
 943
 944         dbg("%s", __func__);
 945
 946         /* Stop reading/writing urbs */
 947         for (i = 0; i < serial->num_ports; ++i) {
 948                 port = serial->port[i];
 949                 portdata = usb_get_serial_port_data(port);
 950                 for (j = 0; j < N_IN_URB; j++)
 951                         usb_kill_urb(portdata->in_urbs[j]);
 952                 for (j = 0; j < N_OUT_URB; j++)
 953                         usb_kill_urb(portdata->out_urbs[j]);
 954         }
 955
 956         /* Now free them */
 957         for (i = 0; i < serial->num_ports; ++i) {
 958                 port = serial->port[i];
 959                 portdata = usb_get_serial_port_data(port);
 960
 961                 for (j = 0; j < N_IN_URB; j++) {
 962                         if (portdata->in_urbs[j]) {
 963                                 usb_free_urb(portdata->in_urbs[j]);
 964                                 free_page((unsigned long)
 965                                         portdata->in_buffer[j]);
 966                                 portdata->in_urbs[j] = NULL;
 967                         }
 968                 }
 969                 for (j = 0; j < N_OUT_URB; j++) {
 970                         if (portdata->out_urbs[j]) {
 971                                 usb_free_urb(portdata->out_urbs[j]);
 972                                 kfree(portdata->out_buffer[j]);
 973                                 portdata->out_urbs[j] = NULL;
 974                         }
 975                 }
 976         }
 977
 978         /* Now free per port private data */
 979         for (i = 0; i < serial->num_ports; i++) {
 980                 port = serial->port[i];
 981                 kfree(usb_get_serial_port_data(port));
 982         }
 983 }
 984
 985 MODULE_AUTHOR(DRIVER_AUTHOR);
 986 MODULE_DESCRIPTION(DRIVER_DESC);
 987 MODULE_VERSION(DRIVER_VERSION);
 988 MODULE_LICENSE("GPL");
 989
 990 module_param(debug, bool, S_IRUGO | S_IWUSR);
 991 MODULE_PARM_DESC(debug, "Debug messages");