1 /* 2 * Qualcomm Serial USB driver 3 * 4 * Copyright (c) 2008 QUALCOMM Incorporated. 5 * Copyright (c) 2009 Greg Kroah-Hartman <gregkh@suse.de> 6 * Copyright (c) 2009 Novell Inc. 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License version 10 * 2 as published by the Free Software Foundation. 11 * 12 */ 13 14 #include <linux/tty.h> 15 #include <linux/tty_flip.h> 16 #include <linux/module.h> 17 #include <linux/usb.h> 18 #include <linux/usb/serial.h> 19 #include <linux/slab.h> 20 #include "usb-wwan.h" 21 22 #define DRIVER_AUTHOR "Qualcomm Inc" 23 #define DRIVER_DESC "Qualcomm USB Serial driver" 24 25 #define QUECTEL_EC20_PID 0x9215 26 27 /* standard device layouts supported by this driver */ 28 enum qcserial_layouts { 29 QCSERIAL_G2K = 0, /* Gobi 2000 */ 30 QCSERIAL_G1K = 1, /* Gobi 1000 */ 31 QCSERIAL_SWI = 2, /* Sierra Wireless */ 32 QCSERIAL_HWI = 3, /* Huawei */ 33 }; 34 35 #define DEVICE_G1K(v, p) \ 36 USB_DEVICE(v, p), .driver_info = QCSERIAL_G1K 37 #define DEVICE_SWI(v, p) \ 38 USB_DEVICE(v, p), .driver_info = QCSERIAL_SWI 39 #define DEVICE_HWI(v, p) \ 40 USB_DEVICE(v, p), .driver_info = QCSERIAL_HWI 41 42 static const struct usb_device_id id_table[] = { 43 /* Gobi 1000 devices */ 44 {DEVICE_G1K(0x05c6, 0x9211)}, /* Acer Gobi QDL device */ 45 {DEVICE_G1K(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ 46 {DEVICE_G1K(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */ 47 {DEVICE_G1K(0x03f0, 0x201d)}, /* HP un2400 Gobi QDL Device */ 48 {DEVICE_G1K(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */ 49 {DEVICE_G1K(0x04da, 0x250c)}, /* Panasonic Gobi QDL device */ 50 {DEVICE_G1K(0x413c, 0x8172)}, /* Dell Gobi Modem device */ 51 {DEVICE_G1K(0x413c, 0x8171)}, /* Dell Gobi QDL device */ 52 {DEVICE_G1K(0x1410, 0xa001)}, /* Novatel/Verizon USB-1000 */ 53 {DEVICE_G1K(0x1410, 0xa002)}, /* Novatel Gobi Modem device */ 54 {DEVICE_G1K(0x1410, 0xa003)}, /* Novatel Gobi Modem device */ 55 {DEVICE_G1K(0x1410, 0xa004)}, /* Novatel Gobi Modem device */ 56 {DEVICE_G1K(0x1410, 0xa005)}, /* Novatel Gobi Modem device */ 57 {DEVICE_G1K(0x1410, 0xa006)}, /* Novatel Gobi Modem device */ 58 {DEVICE_G1K(0x1410, 0xa007)}, /* Novatel Gobi Modem device */ 59 {DEVICE_G1K(0x1410, 0xa008)}, /* Novatel Gobi QDL device */ 60 {DEVICE_G1K(0x0b05, 0x1776)}, /* Asus Gobi Modem device */ 61 {DEVICE_G1K(0x0b05, 0x1774)}, /* Asus Gobi QDL device */ 62 {DEVICE_G1K(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */ 63 {DEVICE_G1K(0x19d2, 0xfff2)}, /* ONDA Gobi QDL device */ 64 {DEVICE_G1K(0x1557, 0x0a80)}, /* OQO Gobi QDL device */ 65 {DEVICE_G1K(0x05c6, 0x9001)}, /* Generic Gobi Modem device */ 66 {DEVICE_G1K(0x05c6, 0x9002)}, /* Generic Gobi Modem device */ 67 {DEVICE_G1K(0x05c6, 0x9202)}, /* Generic Gobi Modem device */ 68 {DEVICE_G1K(0x05c6, 0x9203)}, /* Generic Gobi Modem device */ 69 {DEVICE_G1K(0x05c6, 0x9222)}, /* Generic Gobi Modem device */ 70 {DEVICE_G1K(0x05c6, 0x9008)}, /* Generic Gobi QDL device */ 71 {DEVICE_G1K(0x05c6, 0x9009)}, /* Generic Gobi Modem device */ 72 {DEVICE_G1K(0x05c6, 0x9201)}, /* Generic Gobi QDL device */ 73 {DEVICE_G1K(0x05c6, 0x9221)}, /* Generic Gobi QDL device */ 74 {DEVICE_G1K(0x05c6, 0x9231)}, /* Generic Gobi QDL device */ 75 {DEVICE_G1K(0x1f45, 0x0001)}, /* Unknown Gobi QDL device */ 76 {DEVICE_G1K(0x1bc7, 0x900e)}, /* Telit Gobi QDL device */ 77 78 /* Gobi 2000 devices */ 79 {USB_DEVICE(0x1410, 0xa010)}, /* Novatel Gobi 2000 QDL device */ 80 {USB_DEVICE(0x1410, 0xa011)}, /* Novatel Gobi 2000 QDL device */ 81 {USB_DEVICE(0x1410, 0xa012)}, /* Novatel Gobi 2000 QDL device */ 82 {USB_DEVICE(0x1410, 0xa013)}, /* Novatel Gobi 2000 QDL device */ 83 {USB_DEVICE(0x1410, 0xa014)}, /* Novatel Gobi 2000 QDL device */ 84 {USB_DEVICE(0x413c, 0x8185)}, /* Dell Gobi 2000 QDL device (N0218, VU936) */ 85 {USB_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */ 86 {USB_DEVICE(0x05c6, 0x9208)}, /* Generic Gobi 2000 QDL device */ 87 {USB_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */ 88 {USB_DEVICE(0x05c6, 0x9224)}, /* Sony Gobi 2000 QDL device (N0279, VU730) */ 89 {USB_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */ 90 {USB_DEVICE(0x05c6, 0x9244)}, /* Samsung Gobi 2000 QDL device (VL176) */ 91 {USB_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */ 92 {USB_DEVICE(0x03f0, 0x241d)}, /* HP Gobi 2000 QDL device (VP412) */ 93 {USB_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */ 94 {USB_DEVICE(0x05c6, 0x9214)}, /* Acer Gobi 2000 QDL device (VP413) */ 95 {USB_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */ 96 {USB_DEVICE(0x05c6, 0x9264)}, /* Asus Gobi 2000 QDL device (VR305) */ 97 {USB_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */ 98 {USB_DEVICE(0x05c6, 0x9234)}, /* Top Global Gobi 2000 QDL device (VR306) */ 99 {USB_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */ 100 {USB_DEVICE(0x05c6, 0x9274)}, /* iRex Technologies Gobi 2000 QDL device (VR307) */ 101 {USB_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */ 102 {USB_DEVICE(0x1199, 0x9000)}, /* Sierra Wireless Gobi 2000 QDL device (VT773) */ 103 {USB_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 104 {USB_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 105 {USB_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 106 {USB_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 107 {USB_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 108 {USB_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 109 {USB_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 110 {USB_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 111 {USB_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 112 {USB_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 113 {USB_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */ 114 {USB_DEVICE(0x16d8, 0x8001)}, /* CMDTech Gobi 2000 QDL device (VU922) */ 115 {USB_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */ 116 {USB_DEVICE(0x05c6, 0x9204)}, /* Gobi 2000 QDL device */ 117 {USB_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */ 118 119 /* Gobi 3000 devices */ 120 {USB_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Gobi 3000 QDL */ 121 {USB_DEVICE(0x05c6, 0x920c)}, /* Gobi 3000 QDL */ 122 {USB_DEVICE(0x05c6, 0x920d)}, /* Gobi 3000 Composite */ 123 {USB_DEVICE(0x1410, 0xa020)}, /* Novatel Gobi 3000 QDL */ 124 {USB_DEVICE(0x1410, 0xa021)}, /* Novatel Gobi 3000 Composite */ 125 {USB_DEVICE(0x413c, 0x8193)}, /* Dell Gobi 3000 QDL */ 126 {USB_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */ 127 {USB_DEVICE(0x413c, 0x81a6)}, /* Dell DW5570 QDL (MC8805) */ 128 {USB_DEVICE(0x1199, 0x68a4)}, /* Sierra Wireless QDL */ 129 {USB_DEVICE(0x1199, 0x68a5)}, /* Sierra Wireless Modem */ 130 {USB_DEVICE(0x1199, 0x68a8)}, /* Sierra Wireless QDL */ 131 {USB_DEVICE(0x1199, 0x68a9)}, /* Sierra Wireless Modem */ 132 {USB_DEVICE(0x1199, 0x9010)}, /* Sierra Wireless Gobi 3000 QDL */ 133 {USB_DEVICE(0x1199, 0x9012)}, /* Sierra Wireless Gobi 3000 QDL */ 134 {USB_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */ 135 {USB_DEVICE(0x1199, 0x9014)}, /* Sierra Wireless Gobi 3000 QDL */ 136 {USB_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */ 137 {USB_DEVICE(0x1199, 0x9018)}, /* Sierra Wireless Gobi 3000 QDL */ 138 {USB_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */ 139 {USB_DEVICE(0x1199, 0x901b)}, /* Sierra Wireless MC7770 */ 140 {USB_DEVICE(0x12D1, 0x14F0)}, /* Sony Gobi 3000 QDL */ 141 {USB_DEVICE(0x12D1, 0x14F1)}, /* Sony Gobi 3000 Composite */ 142 {USB_DEVICE(0x0AF0, 0x8120)}, /* Option GTM681W */ 143 144 /* non-Gobi Sierra Wireless devices */ 145 {DEVICE_SWI(0x03f0, 0x4e1d)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ 146 {DEVICE_SWI(0x0f3d, 0x68a2)}, /* Sierra Wireless MC7700 */ 147 {DEVICE_SWI(0x114f, 0x68a2)}, /* Sierra Wireless MC7750 */ 148 {DEVICE_SWI(0x1199, 0x68a2)}, /* Sierra Wireless MC7710 */ 149 {DEVICE_SWI(0x1199, 0x68c0)}, /* Sierra Wireless MC7304/MC7354 */ 150 {DEVICE_SWI(0x1199, 0x901c)}, /* Sierra Wireless EM7700 */ 151 {DEVICE_SWI(0x1199, 0x901f)}, /* Sierra Wireless EM7355 */ 152 {DEVICE_SWI(0x1199, 0x9040)}, /* Sierra Wireless Modem */ 153 {DEVICE_SWI(0x1199, 0x9041)}, /* Sierra Wireless MC7305/MC7355 */ 154 {DEVICE_SWI(0x1199, 0x9051)}, /* Netgear AirCard 340U */ 155 {DEVICE_SWI(0x1199, 0x9053)}, /* Sierra Wireless Modem */ 156 {DEVICE_SWI(0x1199, 0x9054)}, /* Sierra Wireless Modem */ 157 {DEVICE_SWI(0x1199, 0x9055)}, /* Netgear AirCard 341U */ 158 {DEVICE_SWI(0x1199, 0x9056)}, /* Sierra Wireless Modem */ 159 {DEVICE_SWI(0x1199, 0x9060)}, /* Sierra Wireless Modem */ 160 {DEVICE_SWI(0x1199, 0x9061)}, /* Sierra Wireless Modem */ 161 {DEVICE_SWI(0x1199, 0x9070)}, /* Sierra Wireless MC74xx */ 162 {DEVICE_SWI(0x1199, 0x9071)}, /* Sierra Wireless MC74xx */ 163 {DEVICE_SWI(0x1199, 0x9078)}, /* Sierra Wireless EM74xx */ 164 {DEVICE_SWI(0x1199, 0x9079)}, /* Sierra Wireless EM74xx */ 165 {DEVICE_SWI(0x413c, 0x81a2)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */ 166 {DEVICE_SWI(0x413c, 0x81a3)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */ 167 {DEVICE_SWI(0x413c, 0x81a4)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ 168 {DEVICE_SWI(0x413c, 0x81a8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */ 169 {DEVICE_SWI(0x413c, 0x81a9)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ 170 {DEVICE_SWI(0x413c, 0x81b1)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */ 171 {DEVICE_SWI(0x413c, 0x81b3)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */ 172 {DEVICE_SWI(0x413c, 0x81b5)}, /* Dell Wireless 5811e QDL */ 173 {DEVICE_SWI(0x413c, 0x81b6)}, /* Dell Wireless 5811e QDL */ 174 175 /* Huawei devices */ 176 {DEVICE_HWI(0x03f0, 0x581d)}, /* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */ 177 178 { } /* Terminating entry */ 179 }; 180 MODULE_DEVICE_TABLE(usb, id_table); 181 182 static int handle_quectel_ec20(struct device *dev, int ifnum) 183 { 184 int altsetting = 0; 185 186 /* 187 * Quectel EC20 Mini PCIe LTE module layout: 188 * 0: DM/DIAG (use libqcdm from ModemManager for communication) 189 * 1: NMEA 190 * 2: AT-capable modem port 191 * 3: Modem interface 192 * 4: NDIS 193 */ 194 switch (ifnum) { 195 case 0: 196 dev_dbg(dev, "Quectel EC20 DM/DIAG interface found\n"); 197 break; 198 case 1: 199 dev_dbg(dev, "Quectel EC20 NMEA GPS interface found\n"); 200 break; 201 case 2: 202 case 3: 203 dev_dbg(dev, "Quectel EC20 Modem port found\n"); 204 break; 205 case 4: 206 /* Don't claim the QMI/net interface */ 207 altsetting = -1; 208 break; 209 } 210 211 return altsetting; 212 } 213 214 static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) 215 { 216 struct usb_host_interface *intf = serial->interface->cur_altsetting; 217 struct device *dev = &serial->dev->dev; 218 int retval = -ENODEV; 219 __u8 nintf; 220 __u8 ifnum; 221 int altsetting = -1; 222 bool sendsetup = false; 223 224 /* we only support vendor specific functions */ 225 if (intf->desc.bInterfaceClass != USB_CLASS_VENDOR_SPEC) 226 goto done; 227 228 nintf = serial->dev->actconfig->desc.bNumInterfaces; 229 dev_dbg(dev, "Num Interfaces = %d\n", nintf); 230 ifnum = intf->desc.bInterfaceNumber; 231 dev_dbg(dev, "This Interface = %d\n", ifnum); 232 233 if (nintf == 1) { 234 /* QDL mode */ 235 /* Gobi 2000 has a single altsetting, older ones have two */ 236 if (serial->interface->num_altsetting == 2) 237 intf = &serial->interface->altsetting[1]; 238 else if (serial->interface->num_altsetting > 2) 239 goto done; 240 241 if (intf->desc.bNumEndpoints == 2 && 242 usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) && 243 usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) { 244 dev_dbg(dev, "QDL port found\n"); 245 246 if (serial->interface->num_altsetting == 1) 247 retval = 0; /* Success */ 248 else 249 altsetting = 1; 250 } 251 goto done; 252 253 } 254 255 /* default to enabling interface */ 256 altsetting = 0; 257 258 /* 259 * Composite mode; don't bind to the QMI/net interface as that 260 * gets handled by other drivers. 261 */ 262 263 switch (id->driver_info) { 264 case QCSERIAL_G1K: 265 /* 266 * Gobi 1K USB layout: 267 * 0: DM/DIAG (use libqcdm from ModemManager for communication) 268 * 1: serial port (doesn't respond) 269 * 2: AT-capable modem port 270 * 3: QMI/net 271 */ 272 if (nintf < 3 || nintf > 4) { 273 dev_err(dev, "unknown number of interfaces: %d\n", nintf); 274 altsetting = -1; 275 goto done; 276 } 277 278 if (ifnum == 0) { 279 dev_dbg(dev, "Gobi 1K DM/DIAG interface found\n"); 280 altsetting = 1; 281 } else if (ifnum == 2) 282 dev_dbg(dev, "Modem port found\n"); 283 else 284 altsetting = -1; 285 break; 286 case QCSERIAL_G2K: 287 /* handle non-standard layouts */ 288 if (nintf == 5 && id->idProduct == QUECTEL_EC20_PID) { 289 altsetting = handle_quectel_ec20(dev, ifnum); 290 goto done; 291 } 292 293 /* 294 * Gobi 2K+ USB layout: 295 * 0: QMI/net 296 * 1: DM/DIAG (use libqcdm from ModemManager for communication) 297 * 2: AT-capable modem port 298 * 3: NMEA 299 */ 300 if (nintf < 3 || nintf > 4) { 301 dev_err(dev, "unknown number of interfaces: %d\n", nintf); 302 altsetting = -1; 303 goto done; 304 } 305 306 switch (ifnum) { 307 case 0: 308 /* Don't claim the QMI/net interface */ 309 altsetting = -1; 310 break; 311 case 1: 312 dev_dbg(dev, "Gobi 2K+ DM/DIAG interface found\n"); 313 break; 314 case 2: 315 dev_dbg(dev, "Modem port found\n"); 316 break; 317 case 3: 318 /* 319 * NMEA (serial line 9600 8N1) 320 * # echo "\$GPS_START" > /dev/ttyUSBx 321 * # echo "\$GPS_STOP" > /dev/ttyUSBx 322 */ 323 dev_dbg(dev, "Gobi 2K+ NMEA GPS interface found\n"); 324 break; 325 } 326 break; 327 case QCSERIAL_SWI: 328 /* 329 * Sierra Wireless layout: 330 * 0: DM/DIAG (use libqcdm from ModemManager for communication) 331 * 2: NMEA 332 * 3: AT-capable modem port 333 * 8: QMI/net 334 */ 335 switch (ifnum) { 336 case 0: 337 dev_dbg(dev, "DM/DIAG interface found\n"); 338 break; 339 case 2: 340 dev_dbg(dev, "NMEA GPS interface found\n"); 341 break; 342 case 3: 343 dev_dbg(dev, "Modem port found\n"); 344 sendsetup = true; 345 break; 346 default: 347 /* don't claim any unsupported interface */ 348 altsetting = -1; 349 break; 350 } 351 break; 352 case QCSERIAL_HWI: 353 /* 354 * Huawei devices map functions by subclass + protocol 355 * instead of interface numbers. The protocol identify 356 * a specific function, while the subclass indicate a 357 * specific firmware source 358 * 359 * This is a blacklist of functions known to be 360 * non-serial. The rest are assumed to be serial and 361 * will be handled by this driver 362 */ 363 switch (intf->desc.bInterfaceProtocol) { 364 /* QMI combined (qmi_wwan) */ 365 case 0x07: 366 case 0x37: 367 case 0x67: 368 /* QMI data (qmi_wwan) */ 369 case 0x08: 370 case 0x38: 371 case 0x68: 372 /* QMI control (qmi_wwan) */ 373 case 0x09: 374 case 0x39: 375 case 0x69: 376 /* NCM like (huawei_cdc_ncm) */ 377 case 0x16: 378 case 0x46: 379 case 0x76: 380 altsetting = -1; 381 break; 382 default: 383 dev_dbg(dev, "Huawei type serial port found (%02x/%02x/%02x)\n", 384 intf->desc.bInterfaceClass, 385 intf->desc.bInterfaceSubClass, 386 intf->desc.bInterfaceProtocol); 387 } 388 break; 389 default: 390 dev_err(dev, "unsupported device layout type: %lu\n", 391 id->driver_info); 392 break; 393 } 394 395 done: 396 if (altsetting >= 0) { 397 retval = usb_set_interface(serial->dev, ifnum, altsetting); 398 if (retval < 0) { 399 dev_err(dev, 400 "Could not set interface, error %d\n", 401 retval); 402 retval = -ENODEV; 403 } 404 } 405 406 if (!retval) 407 usb_set_serial_data(serial, (void *)(unsigned long)sendsetup); 408 409 return retval; 410 } 411 412 static int qc_attach(struct usb_serial *serial) 413 { 414 struct usb_wwan_intf_private *data; 415 bool sendsetup; 416 417 data = kzalloc(sizeof(*data), GFP_KERNEL); 418 if (!data) 419 return -ENOMEM; 420 421 sendsetup = !!(unsigned long)(usb_get_serial_data(serial)); 422 if (sendsetup) 423 data->use_send_setup = 1; 424 425 spin_lock_init(&data->susp_lock); 426 427 usb_set_serial_data(serial, data); 428 429 return 0; 430 } 431 432 static void qc_release(struct usb_serial *serial) 433 { 434 struct usb_wwan_intf_private *priv = usb_get_serial_data(serial); 435 436 usb_set_serial_data(serial, NULL); 437 kfree(priv); 438 } 439 440 static struct usb_serial_driver qcdevice = { 441 .driver = { 442 .owner = THIS_MODULE, 443 .name = "qcserial", 444 }, 445 .description = "Qualcomm USB modem", 446 .id_table = id_table, 447 .num_ports = 1, 448 .probe = qcprobe, 449 .open = usb_wwan_open, 450 .close = usb_wwan_close, 451 .dtr_rts = usb_wwan_dtr_rts, 452 .write = usb_wwan_write, 453 .write_room = usb_wwan_write_room, 454 .chars_in_buffer = usb_wwan_chars_in_buffer, 455 .attach = qc_attach, 456 .release = qc_release, 457 .port_probe = usb_wwan_port_probe, 458 .port_remove = usb_wwan_port_remove, 459 #ifdef CONFIG_PM 460 .suspend = usb_wwan_suspend, 461 .resume = usb_wwan_resume, 462 #endif 463 }; 464 465 static struct usb_serial_driver * const serial_drivers[] = { 466 &qcdevice, NULL 467 }; 468 469 module_usb_serial_driver(serial_drivers, id_table); 470 471 MODULE_AUTHOR(DRIVER_AUTHOR); 472 MODULE_DESCRIPTION(DRIVER_DESC); 473 MODULE_LICENSE("GPL v2"); 474