1 /* 2 * Copyright (c) 2012 Bjørn Mork <bjorn@mork.no> 3 * 4 * The probing code is heavily inspired by cdc_ether, which is: 5 * Copyright (C) 2003-2005 by David Brownell 6 * Copyright (C) 2006 by Ole Andre Vadla Ravnas (ActiveSync) 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 10 * version 2 as published by the Free Software Foundation. 11 */ 12 13 #include <linux/module.h> 14 #include <linux/netdevice.h> 15 #include <linux/ethtool.h> 16 #include <linux/mii.h> 17 #include <linux/usb.h> 18 #include <linux/usb/cdc.h> 19 #include <linux/usb/usbnet.h> 20 #include <linux/usb/cdc-wdm.h> 21 22 /* This driver supports wwan (3G/LTE/?) devices using a vendor 23 * specific management protocol called Qualcomm MSM Interface (QMI) - 24 * in addition to the more common AT commands over serial interface 25 * management 26 * 27 * QMI is wrapped in CDC, using CDC encapsulated commands on the 28 * control ("master") interface of a two-interface CDC Union 29 * resembling standard CDC ECM. The devices do not use the control 30 * interface for any other CDC messages. Most likely because the 31 * management protocol is used in place of the standard CDC 32 * notifications NOTIFY_NETWORK_CONNECTION and NOTIFY_SPEED_CHANGE 33 * 34 * Alternatively, control and data functions can be combined in a 35 * single USB interface. 36 * 37 * Handling a protocol like QMI is out of the scope for any driver. 38 * It is exported as a character device using the cdc-wdm driver as 39 * a subdriver, enabling userspace applications ("modem managers") to 40 * handle it. 41 * 42 * These devices may alternatively/additionally be configured using AT 43 * commands on a serial interface 44 */ 45 46 /* driver specific data */ 47 struct qmi_wwan_state { 48 struct usb_driver *subdriver; 49 atomic_t pmcount; 50 unsigned long unused; 51 struct usb_interface *control; 52 struct usb_interface *data; 53 }; 54 55 /* using a counter to merge subdriver requests with our own into a combined state */ 56 static int qmi_wwan_manage_power(struct usbnet *dev, int on) 57 { 58 struct qmi_wwan_state *info = (void *)&dev->data; 59 int rv = 0; 60 61 dev_dbg(&dev->intf->dev, "%s() pmcount=%d, on=%d\n", __func__, atomic_read(&info->pmcount), on); 62 63 if ((on && atomic_add_return(1, &info->pmcount) == 1) || (!on && atomic_dec_and_test(&info->pmcount))) { 64 /* need autopm_get/put here to ensure the usbcore sees the new value */ 65 rv = usb_autopm_get_interface(dev->intf); 66 if (rv < 0) 67 goto err; 68 dev->intf->needs_remote_wakeup = on; 69 usb_autopm_put_interface(dev->intf); 70 } 71 err: 72 return rv; 73 } 74 75 static int qmi_wwan_cdc_wdm_manage_power(struct usb_interface *intf, int on) 76 { 77 struct usbnet *dev = usb_get_intfdata(intf); 78 79 /* can be called while disconnecting */ 80 if (!dev) 81 return 0; 82 return qmi_wwan_manage_power(dev, on); 83 } 84 85 /* collect all three endpoints and register subdriver */ 86 static int qmi_wwan_register_subdriver(struct usbnet *dev) 87 { 88 int rv; 89 struct usb_driver *subdriver = NULL; 90 struct qmi_wwan_state *info = (void *)&dev->data; 91 92 /* collect bulk endpoints */ 93 rv = usbnet_get_endpoints(dev, info->data); 94 if (rv < 0) 95 goto err; 96 97 /* update status endpoint if separate control interface */ 98 if (info->control != info->data) 99 dev->status = &info->control->cur_altsetting->endpoint[0]; 100 101 /* require interrupt endpoint for subdriver */ 102 if (!dev->status) { 103 rv = -EINVAL; 104 goto err; 105 } 106 107 /* for subdriver power management */ 108 atomic_set(&info->pmcount, 0); 109 110 /* register subdriver */ 111 subdriver = usb_cdc_wdm_register(info->control, &dev->status->desc, 4096, &qmi_wwan_cdc_wdm_manage_power); 112 if (IS_ERR(subdriver)) { 113 dev_err(&info->control->dev, "subdriver registration failed\n"); 114 rv = PTR_ERR(subdriver); 115 goto err; 116 } 117 118 /* prevent usbnet from using status endpoint */ 119 dev->status = NULL; 120 121 /* save subdriver struct for suspend/resume wrappers */ 122 info->subdriver = subdriver; 123 124 err: 125 return rv; 126 } 127 128 static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf) 129 { 130 int status = -1; 131 u8 *buf = intf->cur_altsetting->extra; 132 int len = intf->cur_altsetting->extralen; 133 struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc; 134 struct usb_cdc_union_desc *cdc_union = NULL; 135 struct usb_cdc_ether_desc *cdc_ether = NULL; 136 u32 found = 0; 137 struct usb_driver *driver = driver_of(intf); 138 struct qmi_wwan_state *info = (void *)&dev->data; 139 140 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) < sizeof(struct qmi_wwan_state))); 141 142 /* control and data is shared? */ 143 if (intf->cur_altsetting->desc.bNumEndpoints == 3) { 144 info->control = intf; 145 info->data = intf; 146 goto shared; 147 } 148 149 /* else require a single interrupt status endpoint on control intf */ 150 if (intf->cur_altsetting->desc.bNumEndpoints != 1) 151 goto err; 152 153 /* and a number of CDC descriptors */ 154 while (len > 3) { 155 struct usb_descriptor_header *h = (void *)buf; 156 157 /* ignore any misplaced descriptors */ 158 if (h->bDescriptorType != USB_DT_CS_INTERFACE) 159 goto next_desc; 160 161 /* buf[2] is CDC descriptor subtype */ 162 switch (buf[2]) { 163 case USB_CDC_HEADER_TYPE: 164 if (found & 1 << USB_CDC_HEADER_TYPE) { 165 dev_dbg(&intf->dev, "extra CDC header\n"); 166 goto err; 167 } 168 if (h->bLength != sizeof(struct usb_cdc_header_desc)) { 169 dev_dbg(&intf->dev, "CDC header len %u\n", h->bLength); 170 goto err; 171 } 172 break; 173 case USB_CDC_UNION_TYPE: 174 if (found & 1 << USB_CDC_UNION_TYPE) { 175 dev_dbg(&intf->dev, "extra CDC union\n"); 176 goto err; 177 } 178 if (h->bLength != sizeof(struct usb_cdc_union_desc)) { 179 dev_dbg(&intf->dev, "CDC union len %u\n", h->bLength); 180 goto err; 181 } 182 cdc_union = (struct usb_cdc_union_desc *)buf; 183 break; 184 case USB_CDC_ETHERNET_TYPE: 185 if (found & 1 << USB_CDC_ETHERNET_TYPE) { 186 dev_dbg(&intf->dev, "extra CDC ether\n"); 187 goto err; 188 } 189 if (h->bLength != sizeof(struct usb_cdc_ether_desc)) { 190 dev_dbg(&intf->dev, "CDC ether len %u\n", h->bLength); 191 goto err; 192 } 193 cdc_ether = (struct usb_cdc_ether_desc *)buf; 194 break; 195 } 196 197 /* 198 * Remember which CDC functional descriptors we've seen. Works 199 * for all types we care about, of which USB_CDC_ETHERNET_TYPE 200 * (0x0f) is the highest numbered 201 */ 202 if (buf[2] < 32) 203 found |= 1 << buf[2]; 204 205 next_desc: 206 len -= h->bLength; 207 buf += h->bLength; 208 } 209 210 /* did we find all the required ones? */ 211 if (!(found & (1 << USB_CDC_HEADER_TYPE)) || 212 !(found & (1 << USB_CDC_UNION_TYPE))) { 213 dev_err(&intf->dev, "CDC functional descriptors missing\n"); 214 goto err; 215 } 216 217 /* verify CDC Union */ 218 if (desc->bInterfaceNumber != cdc_union->bMasterInterface0) { 219 dev_err(&intf->dev, "bogus CDC Union: master=%u\n", cdc_union->bMasterInterface0); 220 goto err; 221 } 222 223 /* need to save these for unbind */ 224 info->control = intf; 225 info->data = usb_ifnum_to_if(dev->udev, cdc_union->bSlaveInterface0); 226 if (!info->data) { 227 dev_err(&intf->dev, "bogus CDC Union: slave=%u\n", cdc_union->bSlaveInterface0); 228 goto err; 229 } 230 231 /* errors aren't fatal - we can live with the dynamic address */ 232 if (cdc_ether) { 233 dev->hard_mtu = le16_to_cpu(cdc_ether->wMaxSegmentSize); 234 usbnet_get_ethernet_addr(dev, cdc_ether->iMACAddress); 235 } 236 237 /* claim data interface and set it up */ 238 status = usb_driver_claim_interface(driver, info->data, dev); 239 if (status < 0) 240 goto err; 241 242 shared: 243 status = qmi_wwan_register_subdriver(dev); 244 if (status < 0 && info->control != info->data) { 245 usb_set_intfdata(info->data, NULL); 246 usb_driver_release_interface(driver, info->data); 247 } 248 249 err: 250 return status; 251 } 252 253 static void qmi_wwan_unbind(struct usbnet *dev, struct usb_interface *intf) 254 { 255 struct qmi_wwan_state *info = (void *)&dev->data; 256 struct usb_driver *driver = driver_of(intf); 257 struct usb_interface *other; 258 259 if (info->subdriver && info->subdriver->disconnect) 260 info->subdriver->disconnect(info->control); 261 262 /* allow user to unbind using either control or data */ 263 if (intf == info->control) 264 other = info->data; 265 else 266 other = info->control; 267 268 /* only if not shared */ 269 if (other && intf != other) { 270 usb_set_intfdata(other, NULL); 271 usb_driver_release_interface(driver, other); 272 } 273 274 info->subdriver = NULL; 275 info->data = NULL; 276 info->control = NULL; 277 } 278 279 /* suspend/resume wrappers calling both usbnet and the cdc-wdm 280 * subdriver if present. 281 * 282 * NOTE: cdc-wdm also supports pre/post_reset, but we cannot provide 283 * wrappers for those without adding usbnet reset support first. 284 */ 285 static int qmi_wwan_suspend(struct usb_interface *intf, pm_message_t message) 286 { 287 struct usbnet *dev = usb_get_intfdata(intf); 288 struct qmi_wwan_state *info = (void *)&dev->data; 289 int ret; 290 291 ret = usbnet_suspend(intf, message); 292 if (ret < 0) 293 goto err; 294 295 if (intf == info->control && info->subdriver && info->subdriver->suspend) 296 ret = info->subdriver->suspend(intf, message); 297 if (ret < 0) 298 usbnet_resume(intf); 299 err: 300 return ret; 301 } 302 303 static int qmi_wwan_resume(struct usb_interface *intf) 304 { 305 struct usbnet *dev = usb_get_intfdata(intf); 306 struct qmi_wwan_state *info = (void *)&dev->data; 307 int ret = 0; 308 bool callsub = (intf == info->control && info->subdriver && info->subdriver->resume); 309 310 if (callsub) 311 ret = info->subdriver->resume(intf); 312 if (ret < 0) 313 goto err; 314 ret = usbnet_resume(intf); 315 if (ret < 0 && callsub && info->subdriver->suspend) 316 info->subdriver->suspend(intf, PMSG_SUSPEND); 317 err: 318 return ret; 319 } 320 321 static const struct driver_info qmi_wwan_info = { 322 .description = "WWAN/QMI device", 323 .flags = FLAG_WWAN, 324 .bind = qmi_wwan_bind, 325 .unbind = qmi_wwan_unbind, 326 .manage_power = qmi_wwan_manage_power, 327 }; 328 329 #define HUAWEI_VENDOR_ID 0x12D1 330 331 /* map QMI/wwan function by a fixed interface number */ 332 #define QMI_FIXED_INTF(vend, prod, num) \ 333 USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \ 334 .driver_info = (unsigned long)&qmi_wwan_info 335 336 /* Gobi 1000 QMI/wwan interface number is 3 according to qcserial */ 337 #define QMI_GOBI1K_DEVICE(vend, prod) \ 338 QMI_FIXED_INTF(vend, prod, 3) 339 340 /* Gobi 2000/3000 QMI/wwan interface number is 0 according to qcserial */ 341 #define QMI_GOBI_DEVICE(vend, prod) \ 342 QMI_FIXED_INTF(vend, prod, 0) 343 344 static const struct usb_device_id products[] = { 345 /* 1. CDC ECM like devices match on the control interface */ 346 { /* Huawei E392, E398 and possibly others sharing both device id and more... */ 347 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 9), 348 .driver_info = (unsigned long)&qmi_wwan_info, 349 }, 350 { /* Vodafone/Huawei K5005 (12d1:14c8) and similar modems */ 351 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 57), 352 .driver_info = (unsigned long)&qmi_wwan_info, 353 }, 354 { /* HUAWEI_INTERFACE_NDIS_CONTROL_QUALCOMM */ 355 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x69), 356 .driver_info = (unsigned long)&qmi_wwan_info, 357 }, 358 359 /* 2. Combined interface devices matching on class+protocol */ 360 { /* Huawei E367 and possibly others in "Windows mode" */ 361 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 7), 362 .driver_info = (unsigned long)&qmi_wwan_info, 363 }, 364 { /* Huawei E392, E398 and possibly others in "Windows mode" */ 365 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 17), 366 .driver_info = (unsigned long)&qmi_wwan_info, 367 }, 368 { /* HUAWEI_NDIS_SINGLE_INTERFACE_VDF */ 369 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x37), 370 .driver_info = (unsigned long)&qmi_wwan_info, 371 }, 372 { /* HUAWEI_INTERFACE_NDIS_HW_QUALCOMM */ 373 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x67), 374 .driver_info = (unsigned long)&qmi_wwan_info, 375 }, 376 { /* Pantech UML290, P4200 and more */ 377 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf0, 0xff), 378 .driver_info = (unsigned long)&qmi_wwan_info, 379 }, 380 { /* Pantech UML290 - newer firmware */ 381 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf1, 0xff), 382 .driver_info = (unsigned long)&qmi_wwan_info, 383 }, 384 { /* Novatel USB551L and MC551 */ 385 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0xb001, 386 USB_CLASS_COMM, 387 USB_CDC_SUBCLASS_ETHERNET, 388 USB_CDC_PROTO_NONE), 389 .driver_info = (unsigned long)&qmi_wwan_info, 390 }, 391 { /* Novatel E362 */ 392 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9010, 393 USB_CLASS_COMM, 394 USB_CDC_SUBCLASS_ETHERNET, 395 USB_CDC_PROTO_NONE), 396 .driver_info = (unsigned long)&qmi_wwan_info, 397 }, 398 { /* Dell Wireless 5800 (Novatel E362) */ 399 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8195, 400 USB_CLASS_COMM, 401 USB_CDC_SUBCLASS_ETHERNET, 402 USB_CDC_PROTO_NONE), 403 .driver_info = (unsigned long)&qmi_wwan_info, 404 }, 405 { /* Dell Wireless 5800 V2 (Novatel E362) */ 406 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8196, 407 USB_CLASS_COMM, 408 USB_CDC_SUBCLASS_ETHERNET, 409 USB_CDC_PROTO_NONE), 410 .driver_info = (unsigned long)&qmi_wwan_info, 411 }, 412 413 /* 3. Combined interface devices matching on interface number */ 414 {QMI_FIXED_INTF(0x0408, 0xea42, 4)}, /* Yota / Megafon M100-1 */ 415 {QMI_FIXED_INTF(0x12d1, 0x140c, 1)}, /* Huawei E173 */ 416 {QMI_FIXED_INTF(0x19d2, 0x0002, 1)}, 417 {QMI_FIXED_INTF(0x19d2, 0x0012, 1)}, 418 {QMI_FIXED_INTF(0x19d2, 0x0017, 3)}, 419 {QMI_FIXED_INTF(0x19d2, 0x0021, 4)}, 420 {QMI_FIXED_INTF(0x19d2, 0x0025, 1)}, 421 {QMI_FIXED_INTF(0x19d2, 0x0031, 4)}, 422 {QMI_FIXED_INTF(0x19d2, 0x0042, 4)}, 423 {QMI_FIXED_INTF(0x19d2, 0x0049, 5)}, 424 {QMI_FIXED_INTF(0x19d2, 0x0052, 4)}, 425 {QMI_FIXED_INTF(0x19d2, 0x0055, 1)}, /* ZTE (Vodafone) K3520-Z */ 426 {QMI_FIXED_INTF(0x19d2, 0x0058, 4)}, 427 {QMI_FIXED_INTF(0x19d2, 0x0063, 4)}, /* ZTE (Vodafone) K3565-Z */ 428 {QMI_FIXED_INTF(0x19d2, 0x0104, 4)}, /* ZTE (Vodafone) K4505-Z */ 429 {QMI_FIXED_INTF(0x19d2, 0x0113, 5)}, 430 {QMI_FIXED_INTF(0x19d2, 0x0118, 5)}, 431 {QMI_FIXED_INTF(0x19d2, 0x0121, 5)}, 432 {QMI_FIXED_INTF(0x19d2, 0x0123, 4)}, 433 {QMI_FIXED_INTF(0x19d2, 0x0124, 5)}, 434 {QMI_FIXED_INTF(0x19d2, 0x0125, 6)}, 435 {QMI_FIXED_INTF(0x19d2, 0x0126, 5)}, 436 {QMI_FIXED_INTF(0x19d2, 0x0130, 1)}, 437 {QMI_FIXED_INTF(0x19d2, 0x0133, 3)}, 438 {QMI_FIXED_INTF(0x19d2, 0x0141, 5)}, 439 {QMI_FIXED_INTF(0x19d2, 0x0157, 5)}, /* ZTE MF683 */ 440 {QMI_FIXED_INTF(0x19d2, 0x0158, 3)}, 441 {QMI_FIXED_INTF(0x19d2, 0x0167, 4)}, /* ZTE MF820D */ 442 {QMI_FIXED_INTF(0x19d2, 0x0168, 4)}, 443 {QMI_FIXED_INTF(0x19d2, 0x0176, 3)}, 444 {QMI_FIXED_INTF(0x19d2, 0x0178, 3)}, 445 {QMI_FIXED_INTF(0x19d2, 0x0191, 4)}, /* ZTE EuFi890 */ 446 {QMI_FIXED_INTF(0x19d2, 0x0199, 1)}, /* ZTE MF820S */ 447 {QMI_FIXED_INTF(0x19d2, 0x0200, 1)}, 448 {QMI_FIXED_INTF(0x19d2, 0x0257, 3)}, /* ZTE MF821 */ 449 {QMI_FIXED_INTF(0x19d2, 0x0265, 4)}, /* ONDA MT8205 4G LTE */ 450 {QMI_FIXED_INTF(0x19d2, 0x0284, 4)}, /* ZTE MF880 */ 451 {QMI_FIXED_INTF(0x19d2, 0x0326, 4)}, /* ZTE MF821D */ 452 {QMI_FIXED_INTF(0x19d2, 0x1008, 4)}, /* ZTE (Vodafone) K3570-Z */ 453 {QMI_FIXED_INTF(0x19d2, 0x1010, 4)}, /* ZTE (Vodafone) K3571-Z */ 454 {QMI_FIXED_INTF(0x19d2, 0x1012, 4)}, 455 {QMI_FIXED_INTF(0x19d2, 0x1018, 3)}, /* ZTE (Vodafone) K5006-Z */ 456 {QMI_FIXED_INTF(0x19d2, 0x1021, 2)}, 457 {QMI_FIXED_INTF(0x19d2, 0x1245, 4)}, 458 {QMI_FIXED_INTF(0x19d2, 0x1247, 4)}, 459 {QMI_FIXED_INTF(0x19d2, 0x1252, 4)}, 460 {QMI_FIXED_INTF(0x19d2, 0x1254, 4)}, 461 {QMI_FIXED_INTF(0x19d2, 0x1255, 3)}, 462 {QMI_FIXED_INTF(0x19d2, 0x1255, 4)}, 463 {QMI_FIXED_INTF(0x19d2, 0x1256, 4)}, 464 {QMI_FIXED_INTF(0x19d2, 0x1401, 2)}, 465 {QMI_FIXED_INTF(0x19d2, 0x1402, 2)}, /* ZTE MF60 */ 466 {QMI_FIXED_INTF(0x19d2, 0x1424, 2)}, 467 {QMI_FIXED_INTF(0x19d2, 0x1425, 2)}, 468 {QMI_FIXED_INTF(0x19d2, 0x1426, 2)}, /* ZTE MF91 */ 469 {QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */ 470 {QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */ 471 {QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */ 472 {QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */ 473 {QMI_FIXED_INTF(0x1199, 0x68a2, 19)}, /* Sierra Wireless MC7710 in QMI mode */ 474 {QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */ 475 {QMI_FIXED_INTF(0x1bbb, 0x011e, 4)}, /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */ 476 {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */ 477 {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ 478 479 /* 4. Gobi 1000 devices */ 480 {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ 481 {QMI_GOBI1K_DEVICE(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */ 482 {QMI_GOBI1K_DEVICE(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */ 483 {QMI_GOBI1K_DEVICE(0x413c, 0x8172)}, /* Dell Gobi Modem device */ 484 {QMI_GOBI1K_DEVICE(0x1410, 0xa001)}, /* Novatel Gobi Modem device */ 485 {QMI_GOBI1K_DEVICE(0x0b05, 0x1776)}, /* Asus Gobi Modem device */ 486 {QMI_GOBI1K_DEVICE(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */ 487 {QMI_GOBI1K_DEVICE(0x05c6, 0x9001)}, /* Generic Gobi Modem device */ 488 {QMI_GOBI1K_DEVICE(0x05c6, 0x9002)}, /* Generic Gobi Modem device */ 489 {QMI_GOBI1K_DEVICE(0x05c6, 0x9202)}, /* Generic Gobi Modem device */ 490 {QMI_GOBI1K_DEVICE(0x05c6, 0x9203)}, /* Generic Gobi Modem device */ 491 {QMI_GOBI1K_DEVICE(0x05c6, 0x9222)}, /* Generic Gobi Modem device */ 492 {QMI_GOBI1K_DEVICE(0x05c6, 0x9009)}, /* Generic Gobi Modem device */ 493 494 /* 5. Gobi 2000 and 3000 devices */ 495 {QMI_GOBI_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */ 496 {QMI_GOBI_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */ 497 {QMI_GOBI_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */ 498 {QMI_GOBI_DEVICE(0x05c6, 0x920d)}, /* Gobi 3000 Composite */ 499 {QMI_GOBI_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */ 500 {QMI_GOBI_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */ 501 {QMI_GOBI_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */ 502 {QMI_GOBI_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */ 503 {QMI_GOBI_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */ 504 {QMI_GOBI_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */ 505 {QMI_GOBI_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */ 506 {QMI_GOBI_DEVICE(0x1199, 0x68a5)}, /* Sierra Wireless Modem */ 507 {QMI_GOBI_DEVICE(0x1199, 0x68a9)}, /* Sierra Wireless Modem */ 508 {QMI_GOBI_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 509 {QMI_GOBI_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 510 {QMI_GOBI_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 511 {QMI_GOBI_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 512 {QMI_GOBI_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 513 {QMI_GOBI_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 514 {QMI_GOBI_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 515 {QMI_GOBI_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 516 {QMI_GOBI_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 517 {QMI_GOBI_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 518 {QMI_GOBI_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */ 519 {QMI_FIXED_INTF(0x1199, 0x9011, 5)}, /* alternate interface number!? */ 520 {QMI_GOBI_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */ 521 {QMI_GOBI_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */ 522 {QMI_GOBI_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */ 523 {QMI_GOBI_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Mobile Broadband Module */ 524 {QMI_GOBI_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */ 525 {QMI_GOBI_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */ 526 {QMI_GOBI_DEVICE(0x1199, 0x901b)}, /* Sierra Wireless MC7770 */ 527 {QMI_GOBI_DEVICE(0x12d1, 0x14f1)}, /* Sony Gobi 3000 Composite */ 528 {QMI_GOBI_DEVICE(0x1410, 0xa021)}, /* Foxconn Gobi 3000 Modem device (Novatel E396) */ 529 530 { } /* END */ 531 }; 532 MODULE_DEVICE_TABLE(usb, products); 533 534 static int qmi_wwan_probe(struct usb_interface *intf, const struct usb_device_id *prod) 535 { 536 struct usb_device_id *id = (struct usb_device_id *)prod; 537 538 /* Workaround to enable dynamic IDs. This disables usbnet 539 * blacklisting functionality. Which, if required, can be 540 * reimplemented here by using a magic "blacklist" value 541 * instead of 0 in the static device id table 542 */ 543 if (!id->driver_info) { 544 dev_dbg(&intf->dev, "setting defaults for dynamic device id\n"); 545 id->driver_info = (unsigned long)&qmi_wwan_info; 546 } 547 548 return usbnet_probe(intf, id); 549 } 550 551 static struct usb_driver qmi_wwan_driver = { 552 .name = "qmi_wwan", 553 .id_table = products, 554 .probe = qmi_wwan_probe, 555 .disconnect = usbnet_disconnect, 556 .suspend = qmi_wwan_suspend, 557 .resume = qmi_wwan_resume, 558 .reset_resume = qmi_wwan_resume, 559 .supports_autosuspend = 1, 560 .disable_hub_initiated_lpm = 1, 561 }; 562 563 module_usb_driver(qmi_wwan_driver); 564 565 MODULE_AUTHOR("Bjørn Mork <bjorn@mork.no>"); 566 MODULE_DESCRIPTION("Qualcomm MSM Interface (QMI) WWAN driver"); 567 MODULE_LICENSE("GPL"); 568