drivers/net/usb/qmi_wwan.c

   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
 355         /* 2. Combined interface devices matching on class+protocol */
 356         {       /* Huawei E367 and possibly others in "Windows mode" */
 357                 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 7),
 358                 .driver_info        = (unsigned long)&qmi_wwan_info,
 359         },
 360         {       /* Huawei E392, E398 and possibly others in "Windows mode" */
 361                 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 17),
 362                 .driver_info        = (unsigned long)&qmi_wwan_info,
 363         },
 364         {       /* Pantech UML290, P4200 and more */
 365                 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf0, 0xff),
 366                 .driver_info        = (unsigned long)&qmi_wwan_info,
 367         },
 368         {       /* Pantech UML290 - newer firmware */
 369                 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf1, 0xff),
 370                 .driver_info        = (unsigned long)&qmi_wwan_info,
 371         },
 372         {       /* Novatel USB551L and MC551 */
 373                 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0xb001,
 374                                               USB_CLASS_COMM,
 375                                               USB_CDC_SUBCLASS_ETHERNET,
 376                                               USB_CDC_PROTO_NONE),
 377                 .driver_info        = (unsigned long)&qmi_wwan_info,
 378         },
 379         {       /* Novatel E362 */
 380                 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9010,
 381                                               USB_CLASS_COMM,
 382                                               USB_CDC_SUBCLASS_ETHERNET,
 383                                               USB_CDC_PROTO_NONE),
 384                 .driver_info        = (unsigned long)&qmi_wwan_info,
 385         },
 386         {       /* Dell Wireless 5800 (Novatel E362) */
 387                 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8195,
 388                                               USB_CLASS_COMM,
 389                                               USB_CDC_SUBCLASS_ETHERNET,
 390                                               USB_CDC_PROTO_NONE),
 391                 .driver_info        = (unsigned long)&qmi_wwan_info,
 392         },
 393         {       /* Dell Wireless 5800 V2 (Novatel E362) */
 394                 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8196,
 395                                               USB_CLASS_COMM,
 396                                               USB_CDC_SUBCLASS_ETHERNET,
 397                                               USB_CDC_PROTO_NONE),
 398                 .driver_info        = (unsigned long)&qmi_wwan_info,
 399         },
 400
 401         /* 3. Combined interface devices matching on interface number */
 402         {QMI_FIXED_INTF(0x12d1, 0x140c, 1)},    /* Huawei E173 */
 403         {QMI_FIXED_INTF(0x19d2, 0x0002, 1)},
 404         {QMI_FIXED_INTF(0x19d2, 0x0012, 1)},
 405         {QMI_FIXED_INTF(0x19d2, 0x0017, 3)},
 406         {QMI_FIXED_INTF(0x19d2, 0x0021, 4)},
 407         {QMI_FIXED_INTF(0x19d2, 0x0025, 1)},
 408         {QMI_FIXED_INTF(0x19d2, 0x0031, 4)},
 409         {QMI_FIXED_INTF(0x19d2, 0x0042, 4)},
 410         {QMI_FIXED_INTF(0x19d2, 0x0049, 5)},
 411         {QMI_FIXED_INTF(0x19d2, 0x0052, 4)},
 412         {QMI_FIXED_INTF(0x19d2, 0x0055, 1)},    /* ZTE (Vodafone) K3520-Z */
 413         {QMI_FIXED_INTF(0x19d2, 0x0058, 4)},
 414         {QMI_FIXED_INTF(0x19d2, 0x0063, 4)},    /* ZTE (Vodafone) K3565-Z */
 415         {QMI_FIXED_INTF(0x19d2, 0x0104, 4)},    /* ZTE (Vodafone) K4505-Z */
 416         {QMI_FIXED_INTF(0x19d2, 0x0113, 5)},
 417         {QMI_FIXED_INTF(0x19d2, 0x0118, 5)},
 418         {QMI_FIXED_INTF(0x19d2, 0x0121, 5)},
 419         {QMI_FIXED_INTF(0x19d2, 0x0123, 4)},
 420         {QMI_FIXED_INTF(0x19d2, 0x0124, 5)},
 421         {QMI_FIXED_INTF(0x19d2, 0x0125, 6)},
 422         {QMI_FIXED_INTF(0x19d2, 0x0126, 5)},
 423         {QMI_FIXED_INTF(0x19d2, 0x0130, 1)},
 424         {QMI_FIXED_INTF(0x19d2, 0x0133, 3)},
 425         {QMI_FIXED_INTF(0x19d2, 0x0141, 5)},
 426         {QMI_FIXED_INTF(0x19d2, 0x0157, 5)},    /* ZTE MF683 */
 427         {QMI_FIXED_INTF(0x19d2, 0x0158, 3)},
 428         {QMI_FIXED_INTF(0x19d2, 0x0167, 4)},    /* ZTE MF820D */
 429         {QMI_FIXED_INTF(0x19d2, 0x0168, 4)},
 430         {QMI_FIXED_INTF(0x19d2, 0x0176, 3)},
 431         {QMI_FIXED_INTF(0x19d2, 0x0178, 3)},
 432         {QMI_FIXED_INTF(0x19d2, 0x0191, 4)},    /* ZTE EuFi890 */
 433         {QMI_FIXED_INTF(0x19d2, 0x0199, 1)},    /* ZTE MF820S */
 434         {QMI_FIXED_INTF(0x19d2, 0x0200, 1)},
 435         {QMI_FIXED_INTF(0x19d2, 0x0257, 3)},    /* ZTE MF821 */
 436         {QMI_FIXED_INTF(0x19d2, 0x0284, 4)},    /* ZTE MF880 */
 437         {QMI_FIXED_INTF(0x19d2, 0x0326, 4)},    /* ZTE MF821D */
 438         {QMI_FIXED_INTF(0x19d2, 0x1008, 4)},    /* ZTE (Vodafone) K3570-Z */
 439         {QMI_FIXED_INTF(0x19d2, 0x1010, 4)},    /* ZTE (Vodafone) K3571-Z */
 440         {QMI_FIXED_INTF(0x19d2, 0x1012, 4)},
 441         {QMI_FIXED_INTF(0x19d2, 0x1018, 3)},    /* ZTE (Vodafone) K5006-Z */
 442         {QMI_FIXED_INTF(0x19d2, 0x1021, 2)},
 443         {QMI_FIXED_INTF(0x19d2, 0x1245, 4)},
 444         {QMI_FIXED_INTF(0x19d2, 0x1247, 4)},
 445         {QMI_FIXED_INTF(0x19d2, 0x1252, 4)},
 446         {QMI_FIXED_INTF(0x19d2, 0x1254, 4)},
 447         {QMI_FIXED_INTF(0x19d2, 0x1255, 3)},
 448         {QMI_FIXED_INTF(0x19d2, 0x1255, 4)},
 449         {QMI_FIXED_INTF(0x19d2, 0x1256, 4)},
 450         {QMI_FIXED_INTF(0x19d2, 0x1401, 2)},
 451         {QMI_FIXED_INTF(0x19d2, 0x1402, 2)},    /* ZTE MF60 */
 452         {QMI_FIXED_INTF(0x19d2, 0x1424, 2)},
 453         {QMI_FIXED_INTF(0x19d2, 0x1425, 2)},
 454         {QMI_FIXED_INTF(0x19d2, 0x1426, 2)},    /* ZTE MF91 */
 455         {QMI_FIXED_INTF(0x19d2, 0x2002, 4)},    /* ZTE (Vodafone) K3765-Z */
 456         {QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)},    /* Sierra Wireless MC7700 */
 457         {QMI_FIXED_INTF(0x114f, 0x68a2, 8)},    /* Sierra Wireless MC7750 */
 458         {QMI_FIXED_INTF(0x1199, 0x68a2, 8)},    /* Sierra Wireless MC7710 in QMI mode */
 459         {QMI_FIXED_INTF(0x1199, 0x68a2, 19)},   /* Sierra Wireless MC7710 in QMI mode */
 460         {QMI_FIXED_INTF(0x1199, 0x901c, 8)},    /* Sierra Wireless EM7700 */
 461
 462         /* 4. Gobi 1000 devices */
 463         {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)},    /* Acer Gobi Modem Device */
 464         {QMI_GOBI1K_DEVICE(0x03f0, 0x1f1d)},    /* HP un2400 Gobi Modem Device */
 465         {QMI_GOBI1K_DEVICE(0x04da, 0x250d)},    /* Panasonic Gobi Modem device */
 466         {QMI_GOBI1K_DEVICE(0x413c, 0x8172)},    /* Dell Gobi Modem device */
 467         {QMI_GOBI1K_DEVICE(0x1410, 0xa001)},    /* Novatel Gobi Modem device */
 468         {QMI_GOBI1K_DEVICE(0x0b05, 0x1776)},    /* Asus Gobi Modem device */
 469         {QMI_GOBI1K_DEVICE(0x19d2, 0xfff3)},    /* ONDA Gobi Modem device */
 470         {QMI_GOBI1K_DEVICE(0x05c6, 0x9001)},    /* Generic Gobi Modem device */
 471         {QMI_GOBI1K_DEVICE(0x05c6, 0x9002)},    /* Generic Gobi Modem device */
 472         {QMI_GOBI1K_DEVICE(0x05c6, 0x9202)},    /* Generic Gobi Modem device */
 473         {QMI_GOBI1K_DEVICE(0x05c6, 0x9203)},    /* Generic Gobi Modem device */
 474         {QMI_GOBI1K_DEVICE(0x05c6, 0x9222)},    /* Generic Gobi Modem device */
 475         {QMI_GOBI1K_DEVICE(0x05c6, 0x9009)},    /* Generic Gobi Modem device */
 476
 477         /* 5. Gobi 2000 and 3000 devices */
 478         {QMI_GOBI_DEVICE(0x413c, 0x8186)},      /* Dell Gobi 2000 Modem device (N0218, VU936) */
 479         {QMI_GOBI_DEVICE(0x413c, 0x8194)},      /* Dell Gobi 3000 Composite */
 480         {QMI_GOBI_DEVICE(0x05c6, 0x920b)},      /* Generic Gobi 2000 Modem device */
 481         {QMI_GOBI_DEVICE(0x05c6, 0x920d)},      /* Gobi 3000 Composite */
 482         {QMI_GOBI_DEVICE(0x05c6, 0x9225)},      /* Sony Gobi 2000 Modem device (N0279, VU730) */
 483         {QMI_GOBI_DEVICE(0x05c6, 0x9245)},      /* Samsung Gobi 2000 Modem device (VL176) */
 484         {QMI_GOBI_DEVICE(0x03f0, 0x251d)},      /* HP Gobi 2000 Modem device (VP412) */
 485         {QMI_GOBI_DEVICE(0x05c6, 0x9215)},      /* Acer Gobi 2000 Modem device (VP413) */
 486         {QMI_GOBI_DEVICE(0x05c6, 0x9265)},      /* Asus Gobi 2000 Modem device (VR305) */
 487         {QMI_GOBI_DEVICE(0x05c6, 0x9235)},      /* Top Global Gobi 2000 Modem device (VR306) */
 488         {QMI_GOBI_DEVICE(0x05c6, 0x9275)},      /* iRex Technologies Gobi 2000 Modem device (VR307) */
 489         {QMI_GOBI_DEVICE(0x1199, 0x68a5)},      /* Sierra Wireless Modem */
 490         {QMI_GOBI_DEVICE(0x1199, 0x68a9)},      /* Sierra Wireless Modem */
 491         {QMI_GOBI_DEVICE(0x1199, 0x9001)},      /* Sierra Wireless Gobi 2000 Modem device (VT773) */
 492         {QMI_GOBI_DEVICE(0x1199, 0x9002)},      /* Sierra Wireless Gobi 2000 Modem device (VT773) */
 493         {QMI_GOBI_DEVICE(0x1199, 0x9003)},      /* Sierra Wireless Gobi 2000 Modem device (VT773) */
 494         {QMI_GOBI_DEVICE(0x1199, 0x9004)},      /* Sierra Wireless Gobi 2000 Modem device (VT773) */
 495         {QMI_GOBI_DEVICE(0x1199, 0x9005)},      /* Sierra Wireless Gobi 2000 Modem device (VT773) */
 496         {QMI_GOBI_DEVICE(0x1199, 0x9006)},      /* Sierra Wireless Gobi 2000 Modem device (VT773) */
 497         {QMI_GOBI_DEVICE(0x1199, 0x9007)},      /* Sierra Wireless Gobi 2000 Modem device (VT773) */
 498         {QMI_GOBI_DEVICE(0x1199, 0x9008)},      /* Sierra Wireless Gobi 2000 Modem device (VT773) */
 499         {QMI_GOBI_DEVICE(0x1199, 0x9009)},      /* Sierra Wireless Gobi 2000 Modem device (VT773) */
 500         {QMI_GOBI_DEVICE(0x1199, 0x900a)},      /* Sierra Wireless Gobi 2000 Modem device (VT773) */
 501         {QMI_GOBI_DEVICE(0x1199, 0x9011)},      /* Sierra Wireless Gobi 2000 Modem device (MC8305) */
 502         {QMI_FIXED_INTF(0x1199, 0x9011, 5)},    /* alternate interface number!? */
 503         {QMI_GOBI_DEVICE(0x16d8, 0x8002)},      /* CMDTech Gobi 2000 Modem device (VU922) */
 504         {QMI_GOBI_DEVICE(0x05c6, 0x9205)},      /* Gobi 2000 Modem device */
 505         {QMI_GOBI_DEVICE(0x1199, 0x9013)},      /* Sierra Wireless Gobi 3000 Modem device (MC8355) */
 506         {QMI_GOBI_DEVICE(0x03f0, 0x371d)},      /* HP un2430 Mobile Broadband Module */
 507         {QMI_GOBI_DEVICE(0x1199, 0x9015)},      /* Sierra Wireless Gobi 3000 Modem device */
 508         {QMI_GOBI_DEVICE(0x1199, 0x9019)},      /* Sierra Wireless Gobi 3000 Modem device */
 509         {QMI_GOBI_DEVICE(0x1199, 0x901b)},      /* Sierra Wireless MC7770 */
 510         {QMI_GOBI_DEVICE(0x12d1, 0x14f1)},      /* Sony Gobi 3000 Composite */
 511         {QMI_GOBI_DEVICE(0x1410, 0xa021)},      /* Foxconn Gobi 3000 Modem device (Novatel E396) */
 512
 513         { }                                     /* END */
 514 };
 515 MODULE_DEVICE_TABLE(usb, products);
 516
 517 static int qmi_wwan_probe(struct usb_interface *intf, const struct usb_device_id *prod)
 518 {
 519         struct usb_device_id *id = (struct usb_device_id *)prod;
 520
 521         /* Workaround to enable dynamic IDs.  This disables usbnet
 522          * blacklisting functionality.  Which, if required, can be
 523          * reimplemented here by using a magic "blacklist" value
 524          * instead of 0 in the static device id table
 525          */
 526         if (!id->driver_info) {
 527                 dev_dbg(&intf->dev, "setting defaults for dynamic device id\n");
 528                 id->driver_info = (unsigned long)&qmi_wwan_info;
 529         }
 530
 531         return usbnet_probe(intf, id);
 532 }
 533
 534 static struct usb_driver qmi_wwan_driver = {
 535         .name                 = "qmi_wwan",
 536         .id_table             = products,
 537         .probe                = qmi_wwan_probe,
 538         .disconnect           = usbnet_disconnect,
 539         .suspend              = qmi_wwan_suspend,
 540         .resume               = qmi_wwan_resume,
 541         .reset_resume         = qmi_wwan_resume,
 542         .supports_autosuspend = 1,
 543         .disable_hub_initiated_lpm = 1,
 544 };
 545
 546 module_usb_driver(qmi_wwan_driver);
 547
 548 MODULE_AUTHOR("Bjørn Mork <bjorn@mork.no>");
 549 MODULE_DESCRIPTION("Qualcomm MSM Interface (QMI) WWAN driver");
 550 MODULE_LICENSE("GPL");