| 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"); |