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_620UW 0x6202 177 #define ANYDATA_PRODUCT_ADU_E100A 0x6501 178 #define ANYDATA_PRODUCT_ADU_500A 0x6502 179 180 #define AXESSTEL_VENDOR_ID 0x1726 181 #define AXESSTEL_PRODUCT_MV110H 0x1000 182 183 #define ONDA_VENDOR_ID 0x19d2 184 #define ONDA_PRODUCT_MSA501HS 0x0001 185 #define ONDA_PRODUCT_ET502HS 0x0002 186 187 #define BANDRICH_VENDOR_ID 0x1A8D 188 #define BANDRICH_PRODUCT_C100_1 0x1002 189 #define BANDRICH_PRODUCT_C100_2 0x1003 190 #define BANDRICH_PRODUCT_1004 0x1004 191 #define BANDRICH_PRODUCT_1005 0x1005 192 #define BANDRICH_PRODUCT_1006 0x1006 193 #define BANDRICH_PRODUCT_1007 0x1007 194 #define BANDRICH_PRODUCT_1008 0x1008 195 #define BANDRICH_PRODUCT_1009 0x1009 196 #define BANDRICH_PRODUCT_100A 0x100a 197 198 #define BANDRICH_PRODUCT_100B 0x100b 199 #define BANDRICH_PRODUCT_100C 0x100c 200 #define BANDRICH_PRODUCT_100D 0x100d 201 #define BANDRICH_PRODUCT_100E 0x100e 202 203 #define BANDRICH_PRODUCT_100F 0x100f 204 #define BANDRICH_PRODUCT_1010 0x1010 205 #define BANDRICH_PRODUCT_1011 0x1011 206 #define BANDRICH_PRODUCT_1012 0x1012 207 208 #define AMOI_VENDOR_ID 0x1614 209 #define AMOI_PRODUCT_9508 0x0800 210 211 #define QUALCOMM_VENDOR_ID 0x05C6 212 213 #define MAXON_VENDOR_ID 0x16d8 214 215 #define TELIT_VENDOR_ID 0x1bc7 216 #define TELIT_PRODUCT_UC864E 0x1003 217 218 /* ZTE PRODUCTS */ 219 #define ZTE_VENDOR_ID 0x19d2 220 #define ZTE_PRODUCT_MF628 0x0015 221 #define ZTE_PRODUCT_CDMA_TECH 0xfffe 222 223 static struct usb_device_id option_ids[] = { 224 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) }, 225 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) }, 226 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_LIGHT) }, 227 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD) }, 228 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD_LIGHT) }, 229 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS) }, 230 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_LIGHT) }, 231 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD) }, 232 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD_LIGHT) }, 233 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA) }, 234 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA_BUS) }, 235 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER) }, 236 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER_BUS) }, 237 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GT_MAX_READY) }, 238 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GT_MAX) }, 239 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_LIGHT) }, 240 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_GT) }, 241 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_EX) }, 242 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_LIGHT) }, 243 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_GT) }, 244 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_EX) }, 245 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_KOI_MODEM) }, 246 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_KOI_NETWORK) }, 247 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_MODEM) }, 248 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_NETWORK) }, 249 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM) }, 250 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK) }, 251 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_LITE) }, 252 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_GT) }, 253 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_EX) }, 254 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_LITE) }, 255 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_GT) }, 256 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_EX) }, 257 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_MODEM) }, 258 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_NETWORK) }, 259 { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E600, 0xff, 0xff, 0xff) }, 260 { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220, 0xff, 0xff, 0xff) }, 261 { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220BIS, 0xff, 0xff, 0xff) }, 262 { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1401, 0xff, 0xff, 0xff) }, 263 { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1403, 0xff, 0xff, 0xff) }, 264 { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1405, 0xff, 0xff, 0xff) }, 265 { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1406, 0xff, 0xff, 0xff) }, 266 { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1408, 0xff, 0xff, 0xff) }, 267 { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1409, 0xff, 0xff, 0xff) }, 268 { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1410, 0xff, 0xff, 0xff) }, 269 { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1411, 0xff, 0xff, 0xff) }, 270 { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1412, 0xff, 0xff, 0xff) }, 271 { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1413, 0xff, 0xff, 0xff) }, 272 { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1414, 0xff, 0xff, 0xff) }, 273 { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1415, 0xff, 0xff, 0xff) }, 274 { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1416, 0xff, 0xff, 0xff) }, 275 { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1417, 0xff, 0xff, 0xff) }, 276 { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1418, 0xff, 0xff, 0xff) }, 277 { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1419, 0xff, 0xff, 0xff) }, 278 { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_9508) }, 279 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) }, /* Novatel Merlin V640/XV620 */ 280 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) }, /* Novatel Merlin V620/S620 */ 281 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V740) }, /* Novatel Merlin EX720/V740/X720 */ 282 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V720) }, /* Novatel Merlin V720/S720/PC720 */ 283 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U730) }, /* Novatel U730/U740 (VF version) */ 284 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U740) }, /* Novatel U740 */ 285 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U870) }, /* Novatel U870 */ 286 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_XU870) }, /* Novatel Merlin XU870 HSDPA/3G */ 287 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_X950D) }, /* Novatel X950D */ 288 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EV620) }, /* Novatel EV620/ES620 CDMA/EV-DO */ 289 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_ES720) }, /* Novatel ES620/ES720/U720/USB720 */ 290 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E725) }, /* Novatel E725/E726 */ 291 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_ES620) }, /* Novatel Merlin ES620 SM Bus */ 292 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU730) }, /* Novatel EU730 and Vodafone EU740 */ 293 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU740) }, /* Novatel non-Vodafone EU740 */ 294 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU870D) }, /* Novatel EU850D/EU860D/EU870D */ 295 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC950D) }, /* Novatel MC930D/MC950D */ 296 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC727) }, /* Novatel MC727/U727/USB727 */ 297 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_1) }, /* Novatel EVDO product */ 298 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_1) }, /* Novatel HSPA product */ 299 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EMBEDDED_1) }, /* Novatel Embedded product */ 300 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_GLOBAL_1) }, /* Novatel Global product */ 301 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_2) }, /* Novatel EVDO product */ 302 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_2) }, /* Novatel HSPA product */ 303 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EMBEDDED_2) }, /* Novatel Embedded product */ 304 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_GLOBAL_2) }, /* Novatel Global product */ 305 306 { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01) }, 307 { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01A) }, 308 { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H02) }, 309 310 { USB_DEVICE(DELL_VENDOR_ID, 0x8114) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite EV620 CDMA/EV-DO */ 311 { USB_DEVICE(DELL_VENDOR_ID, 0x8115) }, /* Dell Wireless 5500 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */ 312 { USB_DEVICE(DELL_VENDOR_ID, 0x8116) }, /* Dell Wireless 5505 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */ 313 { USB_DEVICE(DELL_VENDOR_ID, 0x8117) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO ExpressCard == Novatel Merlin XV620 CDMA/EV-DO */ 314 { USB_DEVICE(DELL_VENDOR_ID, 0x8118) }, /* Dell Wireless 5510 Mobile Broadband HSDPA ExpressCard == Novatel Merlin XU870 HSDPA/3G */ 315 { USB_DEVICE(DELL_VENDOR_ID, 0x8128) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite E720 CDMA/EV-DO */ 316 { USB_DEVICE(DELL_VENDOR_ID, 0x8129) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite ET620 CDMA/EV-DO */ 317 { USB_DEVICE(DELL_VENDOR_ID, 0x8133) }, /* Dell Wireless 5720 == Novatel EV620 CDMA/EV-DO */ 318 { USB_DEVICE(DELL_VENDOR_ID, 0x8136) }, /* Dell Wireless HSDPA 5520 == Novatel Expedite EU860D */ 319 { USB_DEVICE(DELL_VENDOR_ID, 0x8137) }, /* Dell Wireless HSDPA 5520 */ 320 { USB_DEVICE(DELL_VENDOR_ID, 0x8138) }, /* Dell Wireless 5520 Voda I Mobile Broadband (3G HSDPA) Minicard */ 321 { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) }, 322 { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) }, 323 { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_620UW) }, 324 { USB_DEVICE(AXESSTEL_VENDOR_ID, AXESSTEL_PRODUCT_MV110H) }, 325 { USB_DEVICE(ONDA_VENDOR_ID, ONDA_PRODUCT_MSA501HS) }, 326 { USB_DEVICE(ONDA_VENDOR_ID, ONDA_PRODUCT_ET502HS) }, 327 { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_1) }, 328 { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_2) }, 329 { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1004) }, 330 { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1005) }, 331 { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1006) }, 332 { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1007) }, 333 { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1008) }, 334 { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1009) }, 335 { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100A) }, 336 { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100B) }, 337 { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100C) }, 338 { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100D) }, 339 { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100E) }, 340 { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100F) }, 341 { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1010) }, 342 { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1011) }, 343 { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1012) }, 344 { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC650) }, 345 { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) }, 346 { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6000)}, /* ZTE AC8700 */ 347 { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */ 348 { USB_DEVICE(MAXON_VENDOR_ID, 0x6280) }, /* BP3-USB & BP3-EXT HSDPA */ 349 { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) }, 350 { USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_MF628) }, 351 { USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_CDMA_TECH) }, 352 { } /* Terminating entry */ 353 }; 354 MODULE_DEVICE_TABLE(usb, option_ids); 355 356 static struct usb_driver option_driver = { 357 .name = "option", 358 .probe = usb_serial_probe, 359 .disconnect = usb_serial_disconnect, 360 .id_table = option_ids, 361 .no_dynamic_id = 1, 362 }; 363 364 /* The card has three separate interfaces, which the serial driver 365 * recognizes separately, thus num_port=1. 366 */ 367 368 static struct usb_serial_driver option_1port_device = { 369 .driver = { 370 .owner = THIS_MODULE, 371 .name = "option1", 372 }, 373 .description = "GSM modem (1-port)", 374 .usb_driver = &option_driver, 375 .id_table = option_ids, 376 .num_ports = 1, 377 .open = option_open, 378 .close = option_close, 379 .write = option_write, 380 .write_room = option_write_room, 381 .chars_in_buffer = option_chars_in_buffer, 382 .set_termios = option_set_termios, 383 .tiocmget = option_tiocmget, 384 .tiocmset = option_tiocmset, 385 .attach = option_startup, 386 .shutdown = option_shutdown, 387 .read_int_callback = option_instat_callback, 388 }; 389 390 static int debug; 391 392 /* per port private data */ 393 394 #define N_IN_URB 4 395 #define N_OUT_URB 1 396 #define IN_BUFLEN 4096 397 #define OUT_BUFLEN 128 398 399 struct option_port_private { 400 /* Input endpoints and buffer for this port */ 401 struct urb *in_urbs[N_IN_URB]; 402 u8 *in_buffer[N_IN_URB]; 403 /* Output endpoints and buffer for this port */ 404 struct urb *out_urbs[N_OUT_URB]; 405 u8 *out_buffer[N_OUT_URB]; 406 unsigned long out_busy; /* Bit vector of URBs in use */ 407 408 /* Settings for the port */ 409 int rts_state; /* Handshaking pins (outputs) */ 410 int dtr_state; 411 int cts_state; /* Handshaking pins (inputs) */ 412 int dsr_state; 413 int dcd_state; 414 int ri_state; 415 416 unsigned long tx_start_time[N_OUT_URB]; 417 }; 418 419 /* Functions used by new usb-serial code. */ 420 static int __init option_init(void) 421 { 422 int retval; 423 retval = usb_serial_register(&option_1port_device); 424 if (retval) 425 goto failed_1port_device_register; 426 retval = usb_register(&option_driver); 427 if (retval) 428 goto failed_driver_register; 429 430 info(DRIVER_DESC ": " DRIVER_VERSION); 431 432 return 0; 433 434 failed_driver_register: 435 usb_serial_deregister(&option_1port_device); 436 failed_1port_device_register: 437 return retval; 438 } 439 440 static void __exit option_exit(void) 441 { 442 usb_deregister(&option_driver); 443 usb_serial_deregister(&option_1port_device); 444 } 445 446 module_init(option_init); 447 module_exit(option_exit); 448 449 static void option_set_termios(struct tty_struct *tty, 450 struct usb_serial_port *port, struct ktermios *old_termios) 451 { 452 dbg("%s", __func__); 453 /* Doesn't support option setting */ 454 tty_termios_copy_hw(tty->termios, old_termios); 455 option_send_setup(tty, port); 456 } 457 458 static int option_tiocmget(struct tty_struct *tty, struct file *file) 459 { 460 struct usb_serial_port *port = tty->driver_data; 461 unsigned int value; 462 struct option_port_private *portdata; 463 464 portdata = usb_get_serial_port_data(port); 465 466 value = ((portdata->rts_state) ? TIOCM_RTS : 0) | 467 ((portdata->dtr_state) ? TIOCM_DTR : 0) | 468 ((portdata->cts_state) ? TIOCM_CTS : 0) | 469 ((portdata->dsr_state) ? TIOCM_DSR : 0) | 470 ((portdata->dcd_state) ? TIOCM_CAR : 0) | 471 ((portdata->ri_state) ? TIOCM_RNG : 0); 472 473 return value; 474 } 475 476 static int option_tiocmset(struct tty_struct *tty, struct file *file, 477 unsigned int set, unsigned int clear) 478 { 479 struct usb_serial_port *port = tty->driver_data; 480 struct option_port_private *portdata; 481 482 portdata = usb_get_serial_port_data(port); 483 484 /* FIXME: what locks portdata fields ? */ 485 if (set & TIOCM_RTS) 486 portdata->rts_state = 1; 487 if (set & TIOCM_DTR) 488 portdata->dtr_state = 1; 489 490 if (clear & TIOCM_RTS) 491 portdata->rts_state = 0; 492 if (clear & TIOCM_DTR) 493 portdata->dtr_state = 0; 494 return option_send_setup(tty, port); 495 } 496 497 /* Write */ 498 static int option_write(struct tty_struct *tty, struct usb_serial_port *port, 499 const unsigned char *buf, int count) 500 { 501 struct option_port_private *portdata; 502 int i; 503 int left, todo; 504 struct urb *this_urb = NULL; /* spurious */ 505 int err; 506 507 portdata = usb_get_serial_port_data(port); 508 509 dbg("%s: write (%d chars)", __func__, count); 510 511 i = 0; 512 left = count; 513 for (i = 0; left > 0 && i < N_OUT_URB; i++) { 514 todo = left; 515 if (todo > OUT_BUFLEN) 516 todo = OUT_BUFLEN; 517 518 this_urb = portdata->out_urbs[i]; 519 if (test_and_set_bit(i, &portdata->out_busy)) { 520 if (time_before(jiffies, 521 portdata->tx_start_time[i] + 10 * HZ)) 522 continue; 523 usb_unlink_urb(this_urb); 524 continue; 525 } 526 if (this_urb->status != 0) 527 dbg("usb_write %p failed (err=%d)", 528 this_urb, this_urb->status); 529 530 dbg("%s: endpoint %d buf %d", __func__, 531 usb_pipeendpoint(this_urb->pipe), i); 532 533 /* send the data */ 534 memcpy(this_urb->transfer_buffer, buf, todo); 535 this_urb->transfer_buffer_length = todo; 536 537 this_urb->dev = port->serial->dev; 538 err = usb_submit_urb(this_urb, GFP_ATOMIC); 539 if (err) { 540 dbg("usb_submit_urb %p (write bulk) failed " 541 "(%d, has %d)", this_urb, 542 err, this_urb->status); 543 clear_bit(i, &portdata->out_busy); 544 continue; 545 } 546 portdata->tx_start_time[i] = jiffies; 547 buf += todo; 548 left -= todo; 549 } 550 551 count -= left; 552 dbg("%s: wrote (did %d)", __func__, count); 553 return count; 554 } 555 556 static void option_indat_callback(struct urb *urb) 557 { 558 int err; 559 int endpoint; 560 struct usb_serial_port *port; 561 struct tty_struct *tty; 562 unsigned char *data = urb->transfer_buffer; 563 int status = urb->status; 564 565 dbg("%s: %p", __func__, urb); 566 567 endpoint = usb_pipeendpoint(urb->pipe); 568 port = urb->context; 569 570 if (status) { 571 dbg("%s: nonzero status: %d on endpoint %02x.", 572 __func__, status, endpoint); 573 } else { 574 tty = tty_port_tty_get(&port->port); 575 if (urb->actual_length) { 576 tty_buffer_request_room(tty, urb->actual_length); 577 tty_insert_flip_string(tty, data, urb->actual_length); 578 tty_flip_buffer_push(tty); 579 } else 580 dbg("%s: empty read urb received", __func__); 581 tty_kref_put(tty); 582 583 /* Resubmit urb so we continue receiving */ 584 if (port->port.count && status != -ESHUTDOWN) { 585 err = usb_submit_urb(urb, GFP_ATOMIC); 586 if (err) 587 printk(KERN_ERR "%s: resubmit read urb failed. " 588 "(%d)", __func__, err); 589 } 590 } 591 return; 592 } 593 594 static void option_outdat_callback(struct urb *urb) 595 { 596 struct usb_serial_port *port; 597 struct option_port_private *portdata; 598 int i; 599 600 dbg("%s", __func__); 601 602 port = urb->context; 603 604 usb_serial_port_softint(port); 605 606 portdata = usb_get_serial_port_data(port); 607 for (i = 0; i < N_OUT_URB; ++i) { 608 if (portdata->out_urbs[i] == urb) { 609 smp_mb__before_clear_bit(); 610 clear_bit(i, &portdata->out_busy); 611 break; 612 } 613 } 614 } 615 616 static void option_instat_callback(struct urb *urb) 617 { 618 int err; 619 int status = urb->status; 620 struct usb_serial_port *port = urb->context; 621 struct option_port_private *portdata = usb_get_serial_port_data(port); 622 struct usb_serial *serial = port->serial; 623 624 dbg("%s", __func__); 625 dbg("%s: urb %p port %p has data %p", __func__, urb, port, portdata); 626 627 if (status == 0) { 628 struct usb_ctrlrequest *req_pkt = 629 (struct usb_ctrlrequest *)urb->transfer_buffer; 630 631 if (!req_pkt) { 632 dbg("%s: NULL req_pkt\n", __func__); 633 return; 634 } 635 if ((req_pkt->bRequestType == 0xA1) && 636 (req_pkt->bRequest == 0x20)) { 637 int old_dcd_state; 638 unsigned char signals = *((unsigned char *) 639 urb->transfer_buffer + 640 sizeof(struct usb_ctrlrequest)); 641 642 dbg("%s: signal x%x", __func__, signals); 643 644 old_dcd_state = portdata->dcd_state; 645 portdata->cts_state = 1; 646 portdata->dcd_state = ((signals & 0x01) ? 1 : 0); 647 portdata->dsr_state = ((signals & 0x02) ? 1 : 0); 648 portdata->ri_state = ((signals & 0x08) ? 1 : 0); 649 650 if (old_dcd_state && !portdata->dcd_state) { 651 struct tty_struct *tty = 652 tty_port_tty_get(&port->port); 653 if (tty && !C_CLOCAL(tty)) 654 tty_hangup(tty); 655 tty_kref_put(tty); 656 } 657 } else { 658 dbg("%s: type %x req %x", __func__, 659 req_pkt->bRequestType, req_pkt->bRequest); 660 } 661 } else 662 dbg("%s: error %d", __func__, status); 663 664 /* Resubmit urb so we continue receiving IRQ data */ 665 if (status != -ESHUTDOWN) { 666 urb->dev = serial->dev; 667 err = usb_submit_urb(urb, GFP_ATOMIC); 668 if (err) 669 dbg("%s: resubmit intr urb failed. (%d)", 670 __func__, err); 671 } 672 } 673 674 static int option_write_room(struct tty_struct *tty) 675 { 676 struct usb_serial_port *port = tty->driver_data; 677 struct option_port_private *portdata; 678 int i; 679 int data_len = 0; 680 struct urb *this_urb; 681 682 portdata = usb_get_serial_port_data(port); 683 684 685 for (i = 0; i < N_OUT_URB; i++) { 686 this_urb = portdata->out_urbs[i]; 687 if (this_urb && !test_bit(i, &portdata->out_busy)) 688 data_len += OUT_BUFLEN; 689 } 690 691 dbg("%s: %d", __func__, data_len); 692 return data_len; 693 } 694 695 static int option_chars_in_buffer(struct tty_struct *tty) 696 { 697 struct usb_serial_port *port = tty->driver_data; 698 struct option_port_private *portdata; 699 int i; 700 int data_len = 0; 701 struct urb *this_urb; 702 703 portdata = usb_get_serial_port_data(port); 704 705 for (i = 0; i < N_OUT_URB; i++) { 706 this_urb = portdata->out_urbs[i]; 707 /* FIXME: This locking is insufficient as this_urb may 708 go unused during the test */ 709 if (this_urb && test_bit(i, &portdata->out_busy)) 710 data_len += this_urb->transfer_buffer_length; 711 } 712 dbg("%s: %d", __func__, data_len); 713 return data_len; 714 } 715 716 static int option_open(struct tty_struct *tty, 717 struct usb_serial_port *port, struct file *filp) 718 { 719 struct option_port_private *portdata; 720 struct usb_serial *serial = port->serial; 721 int i, err; 722 struct urb *urb; 723 724 portdata = usb_get_serial_port_data(port); 725 726 dbg("%s", __func__); 727 728 /* Set some sane defaults */ 729 portdata->rts_state = 1; 730 portdata->dtr_state = 1; 731 732 /* Reset low level data toggle and start reading from endpoints */ 733 for (i = 0; i < N_IN_URB; i++) { 734 urb = portdata->in_urbs[i]; 735 if (!urb) 736 continue; 737 if (urb->dev != serial->dev) { 738 dbg("%s: dev %p != %p", __func__, 739 urb->dev, serial->dev); 740 continue; 741 } 742 743 /* 744 * make sure endpoint data toggle is synchronized with the 745 * device 746 */ 747 usb_clear_halt(urb->dev, urb->pipe); 748 749 err = usb_submit_urb(urb, GFP_KERNEL); 750 if (err) { 751 dbg("%s: submit urb %d failed (%d) %d", 752 __func__, i, err, 753 urb->transfer_buffer_length); 754 } 755 } 756 757 /* Reset low level data toggle on out endpoints */ 758 for (i = 0; i < N_OUT_URB; i++) { 759 urb = portdata->out_urbs[i]; 760 if (!urb) 761 continue; 762 urb->dev = serial->dev; 763 /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), 764 usb_pipeout(urb->pipe), 0); */ 765 } 766 767 if (tty) 768 tty->low_latency = 1; 769 770 option_send_setup(tty, port); 771 772 return 0; 773 } 774 775 static void option_close(struct tty_struct *tty, 776 struct usb_serial_port *port, struct file *filp) 777 { 778 int i; 779 struct usb_serial *serial = port->serial; 780 struct option_port_private *portdata; 781 782 dbg("%s", __func__); 783 portdata = usb_get_serial_port_data(port); 784 785 portdata->rts_state = 0; 786 portdata->dtr_state = 0; 787 788 if (serial->dev) { 789 mutex_lock(&serial->disc_mutex); 790 if (!serial->disconnected) 791 option_send_setup(tty, port); 792 mutex_unlock(&serial->disc_mutex); 793 794 /* Stop reading/writing urbs */ 795 for (i = 0; i < N_IN_URB; i++) 796 usb_kill_urb(portdata->in_urbs[i]); 797 for (i = 0; i < N_OUT_URB; i++) 798 usb_kill_urb(portdata->out_urbs[i]); 799 } 800 tty_port_tty_set(&port->port, NULL); 801 } 802 803 /* Helper functions used by option_setup_urbs */ 804 static struct urb *option_setup_urb(struct usb_serial *serial, int endpoint, 805 int dir, void *ctx, char *buf, int len, 806 void (*callback)(struct urb *)) 807 { 808 struct urb *urb; 809 810 if (endpoint == -1) 811 return NULL; /* endpoint not needed */ 812 813 urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */ 814 if (urb == NULL) { 815 dbg("%s: alloc for endpoint %d failed.", __func__, endpoint); 816 return NULL; 817 } 818 819 /* Fill URB using supplied data. */ 820 usb_fill_bulk_urb(urb, serial->dev, 821 usb_sndbulkpipe(serial->dev, endpoint) | dir, 822 buf, len, callback, ctx); 823 824 return urb; 825 } 826 827 /* Setup urbs */ 828 static void option_setup_urbs(struct usb_serial *serial) 829 { 830 int i, j; 831 struct usb_serial_port *port; 832 struct option_port_private *portdata; 833 834 dbg("%s", __func__); 835 836 for (i = 0; i < serial->num_ports; i++) { 837 port = serial->port[i]; 838 portdata = usb_get_serial_port_data(port); 839 840 /* Do indat endpoints first */ 841 for (j = 0; j < N_IN_URB; ++j) { 842 portdata->in_urbs[j] = option_setup_urb(serial, 843 port->bulk_in_endpointAddress, 844 USB_DIR_IN, port, 845 portdata->in_buffer[j], 846 IN_BUFLEN, option_indat_callback); 847 } 848 849 /* outdat endpoints */ 850 for (j = 0; j < N_OUT_URB; ++j) { 851 portdata->out_urbs[j] = option_setup_urb(serial, 852 port->bulk_out_endpointAddress, 853 USB_DIR_OUT, port, 854 portdata->out_buffer[j], 855 OUT_BUFLEN, option_outdat_callback); 856 } 857 } 858 } 859 860 861 /** send RTS/DTR state to the port. 862 * 863 * This is exactly the same as SET_CONTROL_LINE_STATE from the PSTN 864 * CDC. 865 */ 866 static int option_send_setup(struct tty_struct *tty, 867 struct usb_serial_port *port) 868 { 869 struct usb_serial *serial = port->serial; 870 struct option_port_private *portdata; 871 int ifNum = serial->interface->cur_altsetting->desc.bInterfaceNumber; 872 dbg("%s", __func__); 873 874 portdata = usb_get_serial_port_data(port); 875 876 if (tty) { 877 int val = 0; 878 if (portdata->dtr_state) 879 val |= 0x01; 880 if (portdata->rts_state) 881 val |= 0x02; 882 883 return usb_control_msg(serial->dev, 884 usb_rcvctrlpipe(serial->dev, 0), 885 0x22, 0x21, val, ifNum, NULL, 0, USB_CTRL_SET_TIMEOUT); 886 } 887 return 0; 888 } 889 890 static int option_startup(struct usb_serial *serial) 891 { 892 int i, j, err; 893 struct usb_serial_port *port; 894 struct option_port_private *portdata; 895 u8 *buffer; 896 897 dbg("%s", __func__); 898 899 /* Now setup per port private data */ 900 for (i = 0; i < serial->num_ports; i++) { 901 port = serial->port[i]; 902 portdata = kzalloc(sizeof(*portdata), GFP_KERNEL); 903 if (!portdata) { 904 dbg("%s: kmalloc for option_port_private (%d) failed!.", 905 __func__, i); 906 return 1; 907 } 908 909 for (j = 0; j < N_IN_URB; j++) { 910 buffer = (u8 *)__get_free_page(GFP_KERNEL); 911 if (!buffer) 912 goto bail_out_error; 913 portdata->in_buffer[j] = buffer; 914 } 915 916 for (j = 0; j < N_OUT_URB; j++) { 917 buffer = kmalloc(OUT_BUFLEN, GFP_KERNEL); 918 if (!buffer) 919 goto bail_out_error2; 920 portdata->out_buffer[j] = buffer; 921 } 922 923 usb_set_serial_port_data(port, portdata); 924 925 if (!port->interrupt_in_urb) 926 continue; 927 err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); 928 if (err) 929 dbg("%s: submit irq_in urb failed %d", 930 __func__, err); 931 } 932 option_setup_urbs(serial); 933 return 0; 934 935 bail_out_error2: 936 for (j = 0; j < N_OUT_URB; j++) 937 kfree(portdata->out_buffer[j]); 938 bail_out_error: 939 for (j = 0; j < N_IN_URB; j++) 940 if (portdata->in_buffer[j]) 941 free_page((unsigned long)portdata->in_buffer[j]); 942 kfree(portdata); 943 return 1; 944 } 945 946 static void option_shutdown(struct usb_serial *serial) 947 { 948 int i, j; 949 struct usb_serial_port *port; 950 struct option_port_private *portdata; 951 952 dbg("%s", __func__); 953 954 /* Stop reading/writing urbs */ 955 for (i = 0; i < serial->num_ports; ++i) { 956 port = serial->port[i]; 957 portdata = usb_get_serial_port_data(port); 958 for (j = 0; j < N_IN_URB; j++) 959 usb_kill_urb(portdata->in_urbs[j]); 960 for (j = 0; j < N_OUT_URB; j++) 961 usb_kill_urb(portdata->out_urbs[j]); 962 } 963 964 /* Now free them */ 965 for (i = 0; i < serial->num_ports; ++i) { 966 port = serial->port[i]; 967 portdata = usb_get_serial_port_data(port); 968 969 for (j = 0; j < N_IN_URB; j++) { 970 if (portdata->in_urbs[j]) { 971 usb_free_urb(portdata->in_urbs[j]); 972 free_page((unsigned long) 973 portdata->in_buffer[j]); 974 portdata->in_urbs[j] = NULL; 975 } 976 } 977 for (j = 0; j < N_OUT_URB; j++) { 978 if (portdata->out_urbs[j]) { 979 usb_free_urb(portdata->out_urbs[j]); 980 kfree(portdata->out_buffer[j]); 981 portdata->out_urbs[j] = NULL; 982 } 983 } 984 } 985 986 /* Now free per port private data */ 987 for (i = 0; i < serial->num_ports; i++) { 988 port = serial->port[i]; 989 kfree(usb_get_serial_port_data(port)); 990 } 991 } 992 993 MODULE_AUTHOR(DRIVER_AUTHOR); 994 MODULE_DESCRIPTION(DRIVER_DESC); 995 MODULE_VERSION(DRIVER_VERSION); 996 MODULE_LICENSE("GPL"); 997 998 module_param(debug, bool, S_IRUGO | S_IWUSR); 999 MODULE_PARM_DESC(debug, "Debug messages"); 1000