source: src/linux/universal/linux-3.18/drivers/usb/serial/qcserial.c @ 31869

Last change on this file since 31869 was 31869, checked in by brainslayer, 2 months ago

update

File size: 16.3 KB
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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 */
28enum 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
42static 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(0x1199, 0x68a4)},   /* Sierra Wireless QDL */
128        {USB_DEVICE(0x1199, 0x68a5)},   /* Sierra Wireless Modem */
129        {USB_DEVICE(0x1199, 0x68a8)},   /* Sierra Wireless QDL */
130        {USB_DEVICE(0x1199, 0x68a9)},   /* Sierra Wireless Modem */
131        {USB_DEVICE(0x1199, 0x9010)},   /* Sierra Wireless Gobi 3000 QDL */
132        {USB_DEVICE(0x1199, 0x9012)},   /* Sierra Wireless Gobi 3000 QDL */
133        {USB_DEVICE(0x1199, 0x9013)},   /* Sierra Wireless Gobi 3000 Modem device (MC8355) */
134        {USB_DEVICE(0x1199, 0x9014)},   /* Sierra Wireless Gobi 3000 QDL */
135        {USB_DEVICE(0x1199, 0x9015)},   /* Sierra Wireless Gobi 3000 Modem device */
136        {USB_DEVICE(0x1199, 0x9018)},   /* Sierra Wireless Gobi 3000 QDL */
137        {USB_DEVICE(0x1199, 0x9019)},   /* Sierra Wireless Gobi 3000 Modem device */
138        {USB_DEVICE(0x1199, 0x901b)},   /* Sierra Wireless MC7770 */
139        {USB_DEVICE(0x12D1, 0x14F0)},   /* Sony Gobi 3000 QDL */
140        {USB_DEVICE(0x12D1, 0x14F1)},   /* Sony Gobi 3000 Composite */
141        {USB_DEVICE(0x0AF0, 0x8120)},   /* Option GTM681W */
142
143        /* non-Gobi Sierra Wireless devices */
144        {DEVICE_SWI(0x03f0, 0x4e1d)},   /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */
145        {DEVICE_SWI(0x0f3d, 0x68a2)},   /* Sierra Wireless MC7700 */
146        {DEVICE_SWI(0x114f, 0x68a2)},   /* Sierra Wireless MC7750 */
147        {DEVICE_SWI(0x1199, 0x68a2)},   /* Sierra Wireless MC7710 */
148        {DEVICE_SWI(0x1199, 0x68c0)},   /* Sierra Wireless MC7304/MC7354 */
149        {DEVICE_SWI(0x1199, 0x901c)},   /* Sierra Wireless EM7700 */
150        {DEVICE_SWI(0x1199, 0x901f)},   /* Sierra Wireless EM7355 */
151        {DEVICE_SWI(0x1199, 0x9040)},   /* Sierra Wireless Modem */
152        {DEVICE_SWI(0x1199, 0x9041)},   /* Sierra Wireless MC7305/MC7355 */
153        {DEVICE_SWI(0x1199, 0x9051)},   /* Netgear AirCard 340U */
154        {DEVICE_SWI(0x1199, 0x9053)},   /* Sierra Wireless Modem */
155        {DEVICE_SWI(0x1199, 0x9054)},   /* Sierra Wireless Modem */
156        {DEVICE_SWI(0x1199, 0x9055)},   /* Netgear AirCard 341U */
157        {DEVICE_SWI(0x1199, 0x9056)},   /* Sierra Wireless Modem */
158        {DEVICE_SWI(0x1199, 0x9060)},   /* Sierra Wireless Modem */
159        {DEVICE_SWI(0x1199, 0x9061)},   /* Sierra Wireless Modem */
160        {DEVICE_SWI(0x1199, 0x9070)},   /* Sierra Wireless MC74xx */
161        {DEVICE_SWI(0x1199, 0x9071)},   /* Sierra Wireless MC74xx */
162        {DEVICE_SWI(0x1199, 0x9078)},   /* Sierra Wireless EM74xx */
163        {DEVICE_SWI(0x1199, 0x9079)},   /* Sierra Wireless EM74xx */
164        {DEVICE_SWI(0x413c, 0x81a2)},   /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */
165        {DEVICE_SWI(0x413c, 0x81a3)},   /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */
166        {DEVICE_SWI(0x413c, 0x81a4)},   /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */
167        {DEVICE_SWI(0x413c, 0x81a8)},   /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */
168        {DEVICE_SWI(0x413c, 0x81a9)},   /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */
169        {DEVICE_SWI(0x413c, 0x81b1)},   /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */
170        {DEVICE_SWI(0x413c, 0x81b3)},   /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */
171        {DEVICE_SWI(0x413c, 0x81b5)},   /* Dell Wireless 5811e QDL */
172        {DEVICE_SWI(0x413c, 0x81b6)},   /* Dell Wireless 5811e QDL */
173
174        /* Huawei devices */
175        {DEVICE_HWI(0x03f0, 0x581d)},   /* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */
176
177        { }                             /* Terminating entry */
178};
179MODULE_DEVICE_TABLE(usb, id_table);
180
181static int handle_quectel_ec20(struct device *dev, int ifnum)
182{
183        int altsetting = 0;
184
185        /*
186         * Quectel EC20 Mini PCIe LTE module layout:
187         * 0: DM/DIAG (use libqcdm from ModemManager for communication)
188         * 1: NMEA
189         * 2: AT-capable modem port
190         * 3: Modem interface
191         * 4: NDIS
192         */
193        switch (ifnum) {
194        case 0:
195                dev_dbg(dev, "Quectel EC20 DM/DIAG interface found\n");
196                break;
197        case 1:
198                dev_dbg(dev, "Quectel EC20 NMEA GPS interface found\n");
199                break;
200        case 2:
201        case 3:
202                dev_dbg(dev, "Quectel EC20 Modem port found\n");
203                break;
204        case 4:
205                /* Don't claim the QMI/net interface */
206                altsetting = -1;
207                break;
208        }
209
210        return altsetting;
211}
212
213static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
214{
215        struct usb_host_interface *intf = serial->interface->cur_altsetting;
216        struct device *dev = &serial->dev->dev;
217        int retval = -ENODEV;
218        __u8 nintf;
219        __u8 ifnum;
220        int altsetting = -1;
221        bool sendsetup = false;
222
223        /* we only support vendor specific functions */
224        if (intf->desc.bInterfaceClass != USB_CLASS_VENDOR_SPEC)
225                goto done;
226
227        nintf = serial->dev->actconfig->desc.bNumInterfaces;
228        dev_dbg(dev, "Num Interfaces = %d\n", nintf);
229        ifnum = intf->desc.bInterfaceNumber;
230        dev_dbg(dev, "This Interface = %d\n", ifnum);
231
232        if (nintf == 1) {
233                /* QDL mode */
234                /* Gobi 2000 has a single altsetting, older ones have two */
235                if (serial->interface->num_altsetting == 2)
236                        intf = &serial->interface->altsetting[1];
237                else if (serial->interface->num_altsetting > 2)
238                        goto done;
239
240                if (intf->desc.bNumEndpoints == 2 &&
241                    usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) &&
242                    usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) {
243                        dev_dbg(dev, "QDL port found\n");
244
245                        if (serial->interface->num_altsetting == 1)
246                                retval = 0; /* Success */
247                        else
248                                altsetting = 1;
249                }
250                goto done;
251
252        }
253
254        /* default to enabling interface */
255        altsetting = 0;
256
257        /*
258         * Composite mode; don't bind to the QMI/net interface as that
259         * gets handled by other drivers.
260         */
261
262        switch (id->driver_info) {
263        case QCSERIAL_G1K:
264                /*
265                 * Gobi 1K USB layout:
266                 * 0: DM/DIAG (use libqcdm from ModemManager for communication)
267                 * 1: serial port (doesn't respond)
268                 * 2: AT-capable modem port
269                 * 3: QMI/net
270                 */
271                if (nintf < 3 || nintf > 4) {
272                        dev_err(dev, "unknown number of interfaces: %d\n", nintf);
273                        altsetting = -1;
274                        goto done;
275                }
276
277                if (ifnum == 0) {
278                        dev_dbg(dev, "Gobi 1K DM/DIAG interface found\n");
279                        altsetting = 1;
280                } else if (ifnum == 2)
281                        dev_dbg(dev, "Modem port found\n");
282                else
283                        altsetting = -1;
284                break;
285        case QCSERIAL_G2K:
286                /* handle non-standard layouts */
287                if (nintf == 5 && id->idProduct == QUECTEL_EC20_PID) {
288                        altsetting = handle_quectel_ec20(dev, ifnum);
289                        goto done;
290                }
291
292                /*
293                 * Gobi 2K+ USB layout:
294                 * 0: QMI/net
295                 * 1: DM/DIAG (use libqcdm from ModemManager for communication)
296                 * 2: AT-capable modem port
297                 * 3: NMEA
298                 */
299                if (nintf < 3 || nintf > 4) {
300                        dev_err(dev, "unknown number of interfaces: %d\n", nintf);
301                        altsetting = -1;
302                        goto done;
303                }
304
305                switch (ifnum) {
306                case 0:
307                        /* Don't claim the QMI/net interface */
308                        altsetting = -1;
309                        break;
310                case 1:
311                        dev_dbg(dev, "Gobi 2K+ DM/DIAG interface found\n");
312                        break;
313                case 2:
314                        dev_dbg(dev, "Modem port found\n");
315                        break;
316                case 3:
317                        /*
318                         * NMEA (serial line 9600 8N1)
319                         * # echo "\$GPS_START" > /dev/ttyUSBx
320                         * # echo "\$GPS_STOP"  > /dev/ttyUSBx
321                         */
322                        dev_dbg(dev, "Gobi 2K+ NMEA GPS interface found\n");
323                        break;
324                }
325                break;
326        case QCSERIAL_SWI:
327                /*
328                 * Sierra Wireless layout:
329                 * 0: DM/DIAG (use libqcdm from ModemManager for communication)
330                 * 2: NMEA
331                 * 3: AT-capable modem port
332                 * 8: QMI/net
333                 */
334                switch (ifnum) {
335                case 0:
336                        dev_dbg(dev, "DM/DIAG interface found\n");
337                        break;
338                case 2:
339                        dev_dbg(dev, "NMEA GPS interface found\n");
340                        break;
341                case 3:
342                        dev_dbg(dev, "Modem port found\n");
343                        sendsetup = true;
344                        break;
345                default:
346                        /* don't claim any unsupported interface */
347                        altsetting = -1;
348                        break;
349                }
350                break;
351        case QCSERIAL_HWI:
352                /*
353                 * Huawei devices map functions by subclass + protocol
354                 * instead of interface numbers. The protocol identify
355                 * a specific function, while the subclass indicate a
356                 * specific firmware source
357                 *
358                 * This is a blacklist of functions known to be
359                 * non-serial.  The rest are assumed to be serial and
360                 * will be handled by this driver
361                 */
362                switch (intf->desc.bInterfaceProtocol) {
363                        /* QMI combined (qmi_wwan) */
364                case 0x07:
365                case 0x37:
366                case 0x67:
367                        /* QMI data (qmi_wwan) */
368                case 0x08:
369                case 0x38:
370                case 0x68:
371                        /* QMI control (qmi_wwan) */
372                case 0x09:
373                case 0x39:
374                case 0x69:
375                        /* NCM like (huawei_cdc_ncm) */
376                case 0x16:
377                case 0x46:
378                case 0x76:
379                        altsetting = -1;
380                        break;
381                default:
382                        dev_dbg(dev, "Huawei type serial port found (%02x/%02x/%02x)\n",
383                                intf->desc.bInterfaceClass,
384                                intf->desc.bInterfaceSubClass,
385                                intf->desc.bInterfaceProtocol);
386                }
387                break;
388        default:
389                dev_err(dev, "unsupported device layout type: %lu\n",
390                        id->driver_info);
391                break;
392        }
393
394done:
395        if (altsetting >= 0) {
396                retval = usb_set_interface(serial->dev, ifnum, altsetting);
397                if (retval < 0) {
398                        dev_err(dev,
399                                "Could not set interface, error %d\n",
400                                retval);
401                        retval = -ENODEV;
402                }
403        }
404
405        if (!retval)
406                usb_set_serial_data(serial, (void *)(unsigned long)sendsetup);
407
408        return retval;
409}
410
411static int qc_attach(struct usb_serial *serial)
412{
413        struct usb_wwan_intf_private *data;
414        bool sendsetup;
415
416        data = kzalloc(sizeof(*data), GFP_KERNEL);
417        if (!data)
418                return -ENOMEM;
419
420        sendsetup = !!(unsigned long)(usb_get_serial_data(serial));
421        if (sendsetup)
422                data->use_send_setup = 1;
423
424        spin_lock_init(&data->susp_lock);
425
426        usb_set_serial_data(serial, data);
427
428        return 0;
429}
430
431static void qc_release(struct usb_serial *serial)
432{
433        struct usb_wwan_intf_private *priv = usb_get_serial_data(serial);
434
435        usb_set_serial_data(serial, NULL);
436        kfree(priv);
437}
438
439static struct usb_serial_driver qcdevice = {
440        .driver = {
441                .owner     = THIS_MODULE,
442                .name      = "qcserial",
443        },
444        .description         = "Qualcomm USB modem",
445        .id_table            = id_table,
446        .num_ports           = 1,
447        .probe               = qcprobe,
448        .open                = usb_wwan_open,
449        .close               = usb_wwan_close,
450        .dtr_rts             = usb_wwan_dtr_rts,
451        .write               = usb_wwan_write,
452        .write_room          = usb_wwan_write_room,
453        .chars_in_buffer     = usb_wwan_chars_in_buffer,
454        .attach              = qc_attach,
455        .release             = qc_release,
456        .port_probe          = usb_wwan_port_probe,
457        .port_remove         = usb_wwan_port_remove,
458#ifdef CONFIG_PM
459        .suspend             = usb_wwan_suspend,
460        .resume              = usb_wwan_resume,
461#endif
462};
463
464static struct usb_serial_driver * const serial_drivers[] = {
465        &qcdevice, NULL
466};
467
468module_usb_serial_driver(serial_drivers, id_table);
469
470MODULE_AUTHOR(DRIVER_AUTHOR);
471MODULE_DESCRIPTION(DRIVER_DESC);
472MODULE_LICENSE("GPL v2");
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