xref: /linux/drivers/usb/serial/option.c (revision ac6a0cf6716bb46813d0161024c66c2af66e53d1)
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_probe(struct usb_serial *serial,
47 			const struct usb_device_id *id);
48 static int  option_open(struct tty_struct *tty, struct usb_serial_port *port,
49 							struct file *filp);
50 static void option_close(struct usb_serial_port *port);
51 static void option_dtr_rts(struct usb_serial_port *port, int on);
52 
53 static int  option_startup(struct usb_serial *serial);
54 static void option_disconnect(struct usb_serial *serial);
55 static void option_release(struct usb_serial *serial);
56 static int  option_write_room(struct tty_struct *tty);
57 
58 static void option_instat_callback(struct urb *urb);
59 
60 static int option_write(struct tty_struct *tty, struct usb_serial_port *port,
61 			const unsigned char *buf, int count);
62 static int  option_chars_in_buffer(struct tty_struct *tty);
63 static void option_set_termios(struct tty_struct *tty,
64 			struct usb_serial_port *port, struct ktermios *old);
65 static int  option_tiocmget(struct tty_struct *tty, struct file *file);
66 static int  option_tiocmset(struct tty_struct *tty, struct file *file,
67 				unsigned int set, unsigned int clear);
68 static int  option_send_setup(struct usb_serial_port *port);
69 #ifdef CONFIG_PM
70 static int  option_suspend(struct usb_serial *serial, pm_message_t message);
71 static int  option_resume(struct usb_serial *serial);
72 #endif
73 
74 /* Vendor and product IDs */
75 #define OPTION_VENDOR_ID			0x0AF0
76 #define OPTION_PRODUCT_COLT			0x5000
77 #define OPTION_PRODUCT_RICOLA			0x6000
78 #define OPTION_PRODUCT_RICOLA_LIGHT		0x6100
79 #define OPTION_PRODUCT_RICOLA_QUAD		0x6200
80 #define OPTION_PRODUCT_RICOLA_QUAD_LIGHT	0x6300
81 #define OPTION_PRODUCT_RICOLA_NDIS		0x6050
82 #define OPTION_PRODUCT_RICOLA_NDIS_LIGHT	0x6150
83 #define OPTION_PRODUCT_RICOLA_NDIS_QUAD		0x6250
84 #define OPTION_PRODUCT_RICOLA_NDIS_QUAD_LIGHT	0x6350
85 #define OPTION_PRODUCT_COBRA			0x6500
86 #define OPTION_PRODUCT_COBRA_BUS		0x6501
87 #define OPTION_PRODUCT_VIPER			0x6600
88 #define OPTION_PRODUCT_VIPER_BUS		0x6601
89 #define OPTION_PRODUCT_GT_MAX_READY		0x6701
90 #define OPTION_PRODUCT_FUJI_MODEM_LIGHT		0x6721
91 #define OPTION_PRODUCT_FUJI_MODEM_GT		0x6741
92 #define OPTION_PRODUCT_FUJI_MODEM_EX		0x6761
93 #define OPTION_PRODUCT_KOI_MODEM		0x6800
94 #define OPTION_PRODUCT_SCORPION_MODEM		0x6901
95 #define OPTION_PRODUCT_ETNA_MODEM		0x7001
96 #define OPTION_PRODUCT_ETNA_MODEM_LITE		0x7021
97 #define OPTION_PRODUCT_ETNA_MODEM_GT		0x7041
98 #define OPTION_PRODUCT_ETNA_MODEM_EX		0x7061
99 #define OPTION_PRODUCT_ETNA_KOI_MODEM		0x7100
100 #define OPTION_PRODUCT_GTM380_MODEM		0x7201
101 
102 #define HUAWEI_VENDOR_ID			0x12D1
103 #define HUAWEI_PRODUCT_E600			0x1001
104 #define HUAWEI_PRODUCT_E220			0x1003
105 #define HUAWEI_PRODUCT_E220BIS			0x1004
106 #define HUAWEI_PRODUCT_E1401			0x1401
107 #define HUAWEI_PRODUCT_E1402			0x1402
108 #define HUAWEI_PRODUCT_E1403			0x1403
109 #define HUAWEI_PRODUCT_E1404			0x1404
110 #define HUAWEI_PRODUCT_E1405			0x1405
111 #define HUAWEI_PRODUCT_E1406			0x1406
112 #define HUAWEI_PRODUCT_E1407			0x1407
113 #define HUAWEI_PRODUCT_E1408			0x1408
114 #define HUAWEI_PRODUCT_E1409			0x1409
115 #define HUAWEI_PRODUCT_E140A			0x140A
116 #define HUAWEI_PRODUCT_E140B			0x140B
117 #define HUAWEI_PRODUCT_E140C			0x140C
118 #define HUAWEI_PRODUCT_E140D			0x140D
119 #define HUAWEI_PRODUCT_E140E			0x140E
120 #define HUAWEI_PRODUCT_E140F			0x140F
121 #define HUAWEI_PRODUCT_E1410			0x1410
122 #define HUAWEI_PRODUCT_E1411			0x1411
123 #define HUAWEI_PRODUCT_E1412			0x1412
124 #define HUAWEI_PRODUCT_E1413			0x1413
125 #define HUAWEI_PRODUCT_E1414			0x1414
126 #define HUAWEI_PRODUCT_E1415			0x1415
127 #define HUAWEI_PRODUCT_E1416			0x1416
128 #define HUAWEI_PRODUCT_E1417			0x1417
129 #define HUAWEI_PRODUCT_E1418			0x1418
130 #define HUAWEI_PRODUCT_E1419			0x1419
131 #define HUAWEI_PRODUCT_E141A			0x141A
132 #define HUAWEI_PRODUCT_E141B			0x141B
133 #define HUAWEI_PRODUCT_E141C			0x141C
134 #define HUAWEI_PRODUCT_E141D			0x141D
135 #define HUAWEI_PRODUCT_E141E			0x141E
136 #define HUAWEI_PRODUCT_E141F			0x141F
137 #define HUAWEI_PRODUCT_E1420			0x1420
138 #define HUAWEI_PRODUCT_E1421			0x1421
139 #define HUAWEI_PRODUCT_E1422			0x1422
140 #define HUAWEI_PRODUCT_E1423			0x1423
141 #define HUAWEI_PRODUCT_E1424			0x1424
142 #define HUAWEI_PRODUCT_E1425			0x1425
143 #define HUAWEI_PRODUCT_E1426			0x1426
144 #define HUAWEI_PRODUCT_E1427			0x1427
145 #define HUAWEI_PRODUCT_E1428			0x1428
146 #define HUAWEI_PRODUCT_E1429			0x1429
147 #define HUAWEI_PRODUCT_E142A			0x142A
148 #define HUAWEI_PRODUCT_E142B			0x142B
149 #define HUAWEI_PRODUCT_E142C			0x142C
150 #define HUAWEI_PRODUCT_E142D			0x142D
151 #define HUAWEI_PRODUCT_E142E			0x142E
152 #define HUAWEI_PRODUCT_E142F			0x142F
153 #define HUAWEI_PRODUCT_E1430			0x1430
154 #define HUAWEI_PRODUCT_E1431			0x1431
155 #define HUAWEI_PRODUCT_E1432			0x1432
156 #define HUAWEI_PRODUCT_E1433			0x1433
157 #define HUAWEI_PRODUCT_E1434			0x1434
158 #define HUAWEI_PRODUCT_E1435			0x1435
159 #define HUAWEI_PRODUCT_E1436			0x1436
160 #define HUAWEI_PRODUCT_E1437			0x1437
161 #define HUAWEI_PRODUCT_E1438			0x1438
162 #define HUAWEI_PRODUCT_E1439			0x1439
163 #define HUAWEI_PRODUCT_E143A			0x143A
164 #define HUAWEI_PRODUCT_E143B			0x143B
165 #define HUAWEI_PRODUCT_E143C			0x143C
166 #define HUAWEI_PRODUCT_E143D			0x143D
167 #define HUAWEI_PRODUCT_E143E			0x143E
168 #define HUAWEI_PRODUCT_E143F			0x143F
169 
170 #define QUANTA_VENDOR_ID			0x0408
171 #define QUANTA_PRODUCT_Q101			0xEA02
172 #define QUANTA_PRODUCT_Q111			0xEA03
173 #define QUANTA_PRODUCT_GLX			0xEA04
174 #define QUANTA_PRODUCT_GKE			0xEA05
175 #define QUANTA_PRODUCT_GLE			0xEA06
176 
177 #define NOVATELWIRELESS_VENDOR_ID		0x1410
178 
179 /* YISO PRODUCTS */
180 
181 #define YISO_VENDOR_ID				0x0EAB
182 #define YISO_PRODUCT_U893			0xC893
183 
184 /* MERLIN EVDO PRODUCTS */
185 #define NOVATELWIRELESS_PRODUCT_V640		0x1100
186 #define NOVATELWIRELESS_PRODUCT_V620		0x1110
187 #define NOVATELWIRELESS_PRODUCT_V740		0x1120
188 #define NOVATELWIRELESS_PRODUCT_V720		0x1130
189 
190 /* MERLIN HSDPA/HSPA PRODUCTS */
191 #define NOVATELWIRELESS_PRODUCT_U730		0x1400
192 #define NOVATELWIRELESS_PRODUCT_U740		0x1410
193 #define NOVATELWIRELESS_PRODUCT_U870		0x1420
194 #define NOVATELWIRELESS_PRODUCT_XU870		0x1430
195 #define NOVATELWIRELESS_PRODUCT_X950D		0x1450
196 
197 /* EXPEDITE PRODUCTS */
198 #define NOVATELWIRELESS_PRODUCT_EV620		0x2100
199 #define NOVATELWIRELESS_PRODUCT_ES720		0x2110
200 #define NOVATELWIRELESS_PRODUCT_E725		0x2120
201 #define NOVATELWIRELESS_PRODUCT_ES620		0x2130
202 #define NOVATELWIRELESS_PRODUCT_EU730		0x2400
203 #define NOVATELWIRELESS_PRODUCT_EU740		0x2410
204 #define NOVATELWIRELESS_PRODUCT_EU870D		0x2420
205 
206 /* OVATION PRODUCTS */
207 #define NOVATELWIRELESS_PRODUCT_MC727		0x4100
208 #define NOVATELWIRELESS_PRODUCT_MC950D		0x4400
209 #define NOVATELWIRELESS_PRODUCT_U727		0x5010
210 #define NOVATELWIRELESS_PRODUCT_MC727_NEW	0x5100
211 #define NOVATELWIRELESS_PRODUCT_MC760		0x6000
212 #define NOVATELWIRELESS_PRODUCT_OVMC760		0x6002
213 
214 /* FUTURE NOVATEL PRODUCTS */
215 #define NOVATELWIRELESS_PRODUCT_EVDO_HIGHSPEED	0X6001
216 #define NOVATELWIRELESS_PRODUCT_HSPA_FULLSPEED	0X7000
217 #define NOVATELWIRELESS_PRODUCT_HSPA_HIGHSPEED	0X7001
218 #define NOVATELWIRELESS_PRODUCT_EVDO_EMBEDDED_FULLSPEED	0X8000
219 #define NOVATELWIRELESS_PRODUCT_EVDO_EMBEDDED_HIGHSPEED	0X8001
220 #define NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_FULLSPEED	0X9000
221 #define NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_HIGHSPEED	0X9001
222 #define NOVATELWIRELESS_PRODUCT_GLOBAL		0XA001
223 
224 /* AMOI PRODUCTS */
225 #define AMOI_VENDOR_ID				0x1614
226 #define AMOI_PRODUCT_H01			0x0800
227 #define AMOI_PRODUCT_H01A			0x7002
228 #define AMOI_PRODUCT_H02			0x0802
229 
230 #define DELL_VENDOR_ID				0x413C
231 
232 /* Dell modems */
233 #define DELL_PRODUCT_5700_MINICARD		0x8114
234 #define DELL_PRODUCT_5500_MINICARD		0x8115
235 #define DELL_PRODUCT_5505_MINICARD		0x8116
236 #define DELL_PRODUCT_5700_EXPRESSCARD		0x8117
237 #define DELL_PRODUCT_5510_EXPRESSCARD		0x8118
238 
239 #define DELL_PRODUCT_5700_MINICARD_SPRINT	0x8128
240 #define DELL_PRODUCT_5700_MINICARD_TELUS	0x8129
241 
242 #define DELL_PRODUCT_5720_MINICARD_VZW		0x8133
243 #define DELL_PRODUCT_5720_MINICARD_SPRINT	0x8134
244 #define DELL_PRODUCT_5720_MINICARD_TELUS	0x8135
245 #define DELL_PRODUCT_5520_MINICARD_CINGULAR	0x8136
246 #define DELL_PRODUCT_5520_MINICARD_GENERIC_L	0x8137
247 #define DELL_PRODUCT_5520_MINICARD_GENERIC_I	0x8138
248 
249 #define DELL_PRODUCT_5730_MINICARD_SPRINT	0x8180
250 #define DELL_PRODUCT_5730_MINICARD_TELUS	0x8181
251 #define DELL_PRODUCT_5730_MINICARD_VZW		0x8182
252 
253 #define KYOCERA_VENDOR_ID			0x0c88
254 #define KYOCERA_PRODUCT_KPC650			0x17da
255 #define KYOCERA_PRODUCT_KPC680			0x180a
256 
257 #define ANYDATA_VENDOR_ID			0x16d5
258 #define ANYDATA_PRODUCT_ADU_620UW		0x6202
259 #define ANYDATA_PRODUCT_ADU_E100A		0x6501
260 #define ANYDATA_PRODUCT_ADU_500A		0x6502
261 
262 #define AXESSTEL_VENDOR_ID			0x1726
263 #define AXESSTEL_PRODUCT_MV110H			0x1000
264 
265 #define BANDRICH_VENDOR_ID			0x1A8D
266 #define BANDRICH_PRODUCT_C100_1			0x1002
267 #define BANDRICH_PRODUCT_C100_2			0x1003
268 #define BANDRICH_PRODUCT_1004			0x1004
269 #define BANDRICH_PRODUCT_1005			0x1005
270 #define BANDRICH_PRODUCT_1006			0x1006
271 #define BANDRICH_PRODUCT_1007			0x1007
272 #define BANDRICH_PRODUCT_1008			0x1008
273 #define BANDRICH_PRODUCT_1009			0x1009
274 #define BANDRICH_PRODUCT_100A			0x100a
275 
276 #define BANDRICH_PRODUCT_100B			0x100b
277 #define BANDRICH_PRODUCT_100C			0x100c
278 #define BANDRICH_PRODUCT_100D			0x100d
279 #define BANDRICH_PRODUCT_100E			0x100e
280 
281 #define BANDRICH_PRODUCT_100F			0x100f
282 #define BANDRICH_PRODUCT_1010			0x1010
283 #define BANDRICH_PRODUCT_1011			0x1011
284 #define BANDRICH_PRODUCT_1012			0x1012
285 
286 #define AMOI_VENDOR_ID			0x1614
287 #define AMOI_PRODUCT_9508			0x0800
288 
289 #define QUALCOMM_VENDOR_ID			0x05C6
290 
291 #define MAXON_VENDOR_ID				0x16d8
292 
293 #define TELIT_VENDOR_ID				0x1bc7
294 #define TELIT_PRODUCT_UC864E			0x1003
295 
296 /* ZTE PRODUCTS */
297 #define ZTE_VENDOR_ID				0x19d2
298 #define ZTE_PRODUCT_MF622			0x0001
299 #define ZTE_PRODUCT_MF628			0x0015
300 #define ZTE_PRODUCT_MF626			0x0031
301 #define ZTE_PRODUCT_CDMA_TECH			0xfffe
302 #define ZTE_PRODUCT_AC8710			0xfff1
303 
304 #define BENQ_VENDOR_ID				0x04a5
305 #define BENQ_PRODUCT_H10			0x4068
306 
307 #define DLINK_VENDOR_ID				0x1186
308 #define DLINK_PRODUCT_DWM_652			0x3e04
309 
310 #define QISDA_VENDOR_ID				0x1da5
311 #define QISDA_PRODUCT_H21_4512			0x4512
312 #define QISDA_PRODUCT_H21_4523			0x4523
313 #define QISDA_PRODUCT_H20_4515			0x4515
314 #define QISDA_PRODUCT_H20_4519			0x4519
315 
316 
317 /* TOSHIBA PRODUCTS */
318 #define TOSHIBA_VENDOR_ID			0x0930
319 #define TOSHIBA_PRODUCT_HSDPA_MINICARD		0x1302
320 
321 #define ALINK_VENDOR_ID				0x1e0e
322 #define ALINK_PRODUCT_3GU			0x9200
323 
324 /* ALCATEL PRODUCTS */
325 #define ALCATEL_VENDOR_ID			0x1bbb
326 #define ALCATEL_PRODUCT_X060S			0x0000
327 
328 
329 static struct usb_device_id option_ids[] = {
330 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
331 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
332 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_LIGHT) },
333 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD) },
334 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD_LIGHT) },
335 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS) },
336 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_LIGHT) },
337 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD) },
338 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD_LIGHT) },
339 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA) },
340 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA_BUS) },
341 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER) },
342 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER_BUS) },
343 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GT_MAX_READY) },
344 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_LIGHT) },
345 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_GT) },
346 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_EX) },
347 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_KOI_MODEM) },
348 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_MODEM) },
349 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM) },
350 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_LITE) },
351 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_GT) },
352 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_EX) },
353 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_MODEM) },
354 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GTM380_MODEM) },
355 	{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_Q101) },
356 	{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_Q111) },
357 	{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GLX) },
358 	{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GKE) },
359 	{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GLE) },
360 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E600, 0xff, 0xff, 0xff) },
361 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220, 0xff, 0xff, 0xff) },
362 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220BIS, 0xff, 0xff, 0xff) },
363 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1401, 0xff, 0xff, 0xff) },
364 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1402, 0xff, 0xff, 0xff) },
365 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1403, 0xff, 0xff, 0xff) },
366 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1404, 0xff, 0xff, 0xff) },
367 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1405, 0xff, 0xff, 0xff) },
368 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1406, 0xff, 0xff, 0xff) },
369 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1407, 0xff, 0xff, 0xff) },
370 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1408, 0xff, 0xff, 0xff) },
371 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1409, 0xff, 0xff, 0xff) },
372 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140A, 0xff, 0xff, 0xff) },
373 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140B, 0xff, 0xff, 0xff) },
374 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140C, 0xff, 0xff, 0xff) },
375 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140D, 0xff, 0xff, 0xff) },
376 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140E, 0xff, 0xff, 0xff) },
377 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140F, 0xff, 0xff, 0xff) },
378 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1410, 0xff, 0xff, 0xff) },
379 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1411, 0xff, 0xff, 0xff) },
380 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1412, 0xff, 0xff, 0xff) },
381 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1413, 0xff, 0xff, 0xff) },
382 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1414, 0xff, 0xff, 0xff) },
383 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1415, 0xff, 0xff, 0xff) },
384 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1416, 0xff, 0xff, 0xff) },
385 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1417, 0xff, 0xff, 0xff) },
386 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1418, 0xff, 0xff, 0xff) },
387 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1419, 0xff, 0xff, 0xff) },
388 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141A, 0xff, 0xff, 0xff) },
389 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141B, 0xff, 0xff, 0xff) },
390 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141C, 0xff, 0xff, 0xff) },
391 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141D, 0xff, 0xff, 0xff) },
392 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141E, 0xff, 0xff, 0xff) },
393 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141F, 0xff, 0xff, 0xff) },
394 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1420, 0xff, 0xff, 0xff) },
395 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1421, 0xff, 0xff, 0xff) },
396 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1422, 0xff, 0xff, 0xff) },
397 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1423, 0xff, 0xff, 0xff) },
398 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1424, 0xff, 0xff, 0xff) },
399 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1425, 0xff, 0xff, 0xff) },
400 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1426, 0xff, 0xff, 0xff) },
401 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1427, 0xff, 0xff, 0xff) },
402 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1428, 0xff, 0xff, 0xff) },
403 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1429, 0xff, 0xff, 0xff) },
404 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142A, 0xff, 0xff, 0xff) },
405 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142B, 0xff, 0xff, 0xff) },
406 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142C, 0xff, 0xff, 0xff) },
407 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142D, 0xff, 0xff, 0xff) },
408 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142E, 0xff, 0xff, 0xff) },
409 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142F, 0xff, 0xff, 0xff) },
410 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1430, 0xff, 0xff, 0xff) },
411 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1431, 0xff, 0xff, 0xff) },
412 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1432, 0xff, 0xff, 0xff) },
413 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1433, 0xff, 0xff, 0xff) },
414 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1434, 0xff, 0xff, 0xff) },
415 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1435, 0xff, 0xff, 0xff) },
416 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1436, 0xff, 0xff, 0xff) },
417 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1437, 0xff, 0xff, 0xff) },
418 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1438, 0xff, 0xff, 0xff) },
419 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1439, 0xff, 0xff, 0xff) },
420 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143A, 0xff, 0xff, 0xff) },
421 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143B, 0xff, 0xff, 0xff) },
422 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143C, 0xff, 0xff, 0xff) },
423 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143D, 0xff, 0xff, 0xff) },
424 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143E, 0xff, 0xff, 0xff) },
425 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143F, 0xff, 0xff, 0xff) },
426 	{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_9508) },
427 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) }, /* Novatel Merlin V640/XV620 */
428 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) }, /* Novatel Merlin V620/S620 */
429 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V740) }, /* Novatel Merlin EX720/V740/X720 */
430 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V720) }, /* Novatel Merlin V720/S720/PC720 */
431 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U730) }, /* Novatel U730/U740 (VF version) */
432 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U740) }, /* Novatel U740 */
433 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U870) }, /* Novatel U870 */
434 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_XU870) }, /* Novatel Merlin XU870 HSDPA/3G */
435 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_X950D) }, /* Novatel X950D */
436 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EV620) }, /* Novatel EV620/ES620 CDMA/EV-DO */
437 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_ES720) }, /* Novatel ES620/ES720/U720/USB720 */
438 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E725) }, /* Novatel E725/E726 */
439 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_ES620) }, /* Novatel Merlin ES620 SM Bus */
440 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU730) }, /* Novatel EU730 and Vodafone EU740 */
441 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU740) }, /* Novatel non-Vodafone EU740 */
442 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU870D) }, /* Novatel EU850D/EU860D/EU870D */
443 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC950D) }, /* Novatel MC930D/MC950D */
444 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC727) }, /* Novatel MC727/U727/USB727 */
445 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC727_NEW) }, /* Novatel MC727/U727/USB727 refresh */
446 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U727) }, /* Novatel MC727/U727/USB727 */
447 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC760) }, /* Novatel MC760/U760/USB760 */
448 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_OVMC760) }, /* Novatel Ovation MC760 */
449 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_FULLSPEED) }, /* Novatel HSPA product */
450 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_EMBEDDED_FULLSPEED) }, /* Novatel EVDO Embedded product */
451 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_FULLSPEED) }, /* Novatel HSPA Embedded product */
452 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_HIGHSPEED) }, /* Novatel EVDO product */
453 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_HIGHSPEED) }, /* Novatel HSPA product */
454 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_EMBEDDED_HIGHSPEED) }, /* Novatel EVDO Embedded product */
455 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_HIGHSPEED) }, /* Novatel HSPA Embedded product */
456 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_GLOBAL) }, /* Novatel Global product */
457 
458 	{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01) },
459 	{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01A) },
460 	{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H02) },
461 
462 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5700_MINICARD) },		/* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite EV620 CDMA/EV-DO */
463 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5500_MINICARD) },		/* Dell Wireless 5500 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */
464 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5505_MINICARD) },		/* Dell Wireless 5505 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */
465 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5700_EXPRESSCARD) },		/* Dell Wireless 5700 Mobile Broadband CDMA/EVDO ExpressCard == Novatel Merlin XV620 CDMA/EV-DO */
466 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5510_EXPRESSCARD) },		/* Dell Wireless 5510 Mobile Broadband HSDPA ExpressCard == Novatel Merlin XU870 HSDPA/3G */
467 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5700_MINICARD_SPRINT) },	/* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite E720 CDMA/EV-DO */
468 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5700_MINICARD_TELUS) },	/* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite ET620 CDMA/EV-DO */
469 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5720_MINICARD_VZW) }, 	/* Dell Wireless 5720 == Novatel EV620 CDMA/EV-DO */
470 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5720_MINICARD_SPRINT) }, 	/* Dell Wireless 5720 == Novatel EV620 CDMA/EV-DO */
471 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5720_MINICARD_TELUS) }, 	/* Dell Wireless 5720 == Novatel EV620 CDMA/EV-DO */
472 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5520_MINICARD_CINGULAR) },	/* Dell Wireless HSDPA 5520 == Novatel Expedite EU860D */
473 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5520_MINICARD_GENERIC_L) },	/* Dell Wireless HSDPA 5520 */
474 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5520_MINICARD_GENERIC_I) },	/* Dell Wireless 5520 Voda I Mobile Broadband (3G HSDPA) Minicard */
475 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_SPRINT) },	/* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
476 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_TELUS) },	/* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
477 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_VZW) }, 	/* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
478 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) },	/* ADU-E100, ADU-310 */
479 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) },
480 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_620UW) },
481 	{ USB_DEVICE(AXESSTEL_VENDOR_ID, AXESSTEL_PRODUCT_MV110H) },
482 	{ USB_DEVICE(YISO_VENDOR_ID, YISO_PRODUCT_U893) },
483 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_1) },
484 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_2) },
485 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1004) },
486 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1005) },
487 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1006) },
488 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1007) },
489 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1008) },
490 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1009) },
491 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100A) },
492 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100B) },
493 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100C) },
494 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100D) },
495 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100E) },
496 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100F) },
497 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1010) },
498 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1011) },
499 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1012) },
500 	{ USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC650) },
501 	{ USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) },
502 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6000)}, /* ZTE AC8700 */
503 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
504 	{ USB_DEVICE(MAXON_VENDOR_ID, 0x6280) }, /* BP3-USB & BP3-EXT HSDPA */
505 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },
506 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */
507 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0002, 0xff, 0xff, 0xff) },
508 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0003, 0xff, 0xff, 0xff) },
509 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0004, 0xff, 0xff, 0xff) },
510 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0005, 0xff, 0xff, 0xff) },
511 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0006, 0xff, 0xff, 0xff) },
512 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0007, 0xff, 0xff, 0xff) },
513 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0008, 0xff, 0xff, 0xff) },
514 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0009, 0xff, 0xff, 0xff) },
515 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000a, 0xff, 0xff, 0xff) },
516 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000b, 0xff, 0xff, 0xff) },
517 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000c, 0xff, 0xff, 0xff) },
518 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000d, 0xff, 0xff, 0xff) },
519 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000e, 0xff, 0xff, 0xff) },
520 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000f, 0xff, 0xff, 0xff) },
521 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0010, 0xff, 0xff, 0xff) },
522 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0011, 0xff, 0xff, 0xff) },
523 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0012, 0xff, 0xff, 0xff) },
524 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0013, 0xff, 0xff, 0xff) },
525 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF628, 0xff, 0xff, 0xff) },
526 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0016, 0xff, 0xff, 0xff) },
527 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0017, 0xff, 0xff, 0xff) },
528 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0018, 0xff, 0xff, 0xff) },
529 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0019, 0xff, 0xff, 0xff) },
530 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0020, 0xff, 0xff, 0xff) },
531 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0021, 0xff, 0xff, 0xff) },
532 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0022, 0xff, 0xff, 0xff) },
533 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0023, 0xff, 0xff, 0xff) },
534 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0024, 0xff, 0xff, 0xff) },
535 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0025, 0xff, 0xff, 0xff) },
536 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0026, 0xff, 0xff, 0xff) },
537 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0028, 0xff, 0xff, 0xff) },
538 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0029, 0xff, 0xff, 0xff) },
539 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0030, 0xff, 0xff, 0xff) },
540 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF626, 0xff, 0xff, 0xff) },
541 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0032, 0xff, 0xff, 0xff) },
542 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0033, 0xff, 0xff, 0xff) },
543 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0037, 0xff, 0xff, 0xff) },
544 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0039, 0xff, 0xff, 0xff) },
545 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0042, 0xff, 0xff, 0xff) },
546 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0043, 0xff, 0xff, 0xff) },
547 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0048, 0xff, 0xff, 0xff) },
548 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0049, 0xff, 0xff, 0xff) },
549 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0051, 0xff, 0xff, 0xff) },
550 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0052, 0xff, 0xff, 0xff) },
551 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0054, 0xff, 0xff, 0xff) },
552 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0055, 0xff, 0xff, 0xff) },
553 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0057, 0xff, 0xff, 0xff) },
554 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0058, 0xff, 0xff, 0xff) },
555 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0061, 0xff, 0xff, 0xff) },
556 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0062, 0xff, 0xff, 0xff) },
557 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0063, 0xff, 0xff, 0xff) },
558 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0064, 0xff, 0xff, 0xff) },
559 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0066, 0xff, 0xff, 0xff) },
560 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0069, 0xff, 0xff, 0xff) },
561 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0076, 0xff, 0xff, 0xff) },
562 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0078, 0xff, 0xff, 0xff) },
563 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0082, 0xff, 0xff, 0xff) },
564 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0086, 0xff, 0xff, 0xff) },
565 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x2002, 0xff, 0xff, 0xff) },
566 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x2003, 0xff, 0xff, 0xff) },
567 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0014, 0xff, 0xff, 0xff) }, /* ZTE CDMA products */
568 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0027, 0xff, 0xff, 0xff) },
569 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0059, 0xff, 0xff, 0xff) },
570 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0060, 0xff, 0xff, 0xff) },
571 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0070, 0xff, 0xff, 0xff) },
572 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0073, 0xff, 0xff, 0xff) },
573 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_CDMA_TECH, 0xff, 0xff, 0xff) },
574 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC8710, 0xff, 0xff, 0xff) },
575 	{ USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) },
576 	{ USB_DEVICE(DLINK_VENDOR_ID, DLINK_PRODUCT_DWM_652) },
577 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4512) },
578 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4523) },
579 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H20_4515) },
580 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H20_4519) },
581 	{ USB_DEVICE(TOSHIBA_VENDOR_ID, TOSHIBA_PRODUCT_HSDPA_MINICARD ) }, /* Toshiba 3G HSDPA == Novatel Expedite EU870D MiniCard */
582 	{ USB_DEVICE(ALINK_VENDOR_ID, 0x9000) },
583 	{ USB_DEVICE_AND_INTERFACE_INFO(ALINK_VENDOR_ID, ALINK_PRODUCT_3GU, 0xff, 0xff, 0xff) },
584 	{ USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S) },
585 	{ } /* Terminating entry */
586 };
587 MODULE_DEVICE_TABLE(usb, option_ids);
588 
589 static struct usb_driver option_driver = {
590 	.name       = "option",
591 	.probe      = usb_serial_probe,
592 	.disconnect = usb_serial_disconnect,
593 #ifdef CONFIG_PM
594 	.suspend    = usb_serial_suspend,
595 	.resume     = usb_serial_resume,
596 #endif
597 	.id_table   = option_ids,
598 	.no_dynamic_id = 	1,
599 };
600 
601 /* The card has three separate interfaces, which the serial driver
602  * recognizes separately, thus num_port=1.
603  */
604 
605 static struct usb_serial_driver option_1port_device = {
606 	.driver = {
607 		.owner =	THIS_MODULE,
608 		.name =		"option1",
609 	},
610 	.description       = "GSM modem (1-port)",
611 	.usb_driver        = &option_driver,
612 	.id_table          = option_ids,
613 	.num_ports         = 1,
614 	.probe             = option_probe,
615 	.open              = option_open,
616 	.close             = option_close,
617 	.dtr_rts	   = option_dtr_rts,
618 	.write             = option_write,
619 	.write_room        = option_write_room,
620 	.chars_in_buffer   = option_chars_in_buffer,
621 	.set_termios       = option_set_termios,
622 	.tiocmget          = option_tiocmget,
623 	.tiocmset          = option_tiocmset,
624 	.attach            = option_startup,
625 	.disconnect        = option_disconnect,
626 	.release           = option_release,
627 	.read_int_callback = option_instat_callback,
628 #ifdef CONFIG_PM
629 	.suspend           = option_suspend,
630 	.resume            = option_resume,
631 #endif
632 };
633 
634 static int debug;
635 
636 /* per port private data */
637 
638 #define N_IN_URB 4
639 #define N_OUT_URB 4
640 #define IN_BUFLEN 4096
641 #define OUT_BUFLEN 4096
642 
643 struct option_port_private {
644 	/* Input endpoints and buffer for this port */
645 	struct urb *in_urbs[N_IN_URB];
646 	u8 *in_buffer[N_IN_URB];
647 	/* Output endpoints and buffer for this port */
648 	struct urb *out_urbs[N_OUT_URB];
649 	u8 *out_buffer[N_OUT_URB];
650 	unsigned long out_busy;		/* Bit vector of URBs in use */
651 
652 	/* Settings for the port */
653 	int rts_state;	/* Handshaking pins (outputs) */
654 	int dtr_state;
655 	int cts_state;	/* Handshaking pins (inputs) */
656 	int dsr_state;
657 	int dcd_state;
658 	int ri_state;
659 
660 	unsigned long tx_start_time[N_OUT_URB];
661 };
662 
663 /* Functions used by new usb-serial code. */
664 static int __init option_init(void)
665 {
666 	int retval;
667 	retval = usb_serial_register(&option_1port_device);
668 	if (retval)
669 		goto failed_1port_device_register;
670 	retval = usb_register(&option_driver);
671 	if (retval)
672 		goto failed_driver_register;
673 
674 	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
675 	       DRIVER_DESC "\n");
676 
677 	return 0;
678 
679 failed_driver_register:
680 	usb_serial_deregister(&option_1port_device);
681 failed_1port_device_register:
682 	return retval;
683 }
684 
685 static void __exit option_exit(void)
686 {
687 	usb_deregister(&option_driver);
688 	usb_serial_deregister(&option_1port_device);
689 }
690 
691 module_init(option_init);
692 module_exit(option_exit);
693 
694 static int option_probe(struct usb_serial *serial,
695 			const struct usb_device_id *id)
696 {
697 	/* D-Link DWM 652 still exposes CD-Rom emulation interface in modem mode */
698 	if (serial->dev->descriptor.idVendor == DLINK_VENDOR_ID &&
699 		serial->dev->descriptor.idProduct == DLINK_PRODUCT_DWM_652 &&
700 		serial->interface->cur_altsetting->desc.bInterfaceClass == 0x8)
701 		return -ENODEV;
702 
703 	return 0;
704 }
705 
706 static void option_set_termios(struct tty_struct *tty,
707 		struct usb_serial_port *port, struct ktermios *old_termios)
708 {
709 	dbg("%s", __func__);
710 	/* Doesn't support option setting */
711 	tty_termios_copy_hw(tty->termios, old_termios);
712 	option_send_setup(port);
713 }
714 
715 static int option_tiocmget(struct tty_struct *tty, struct file *file)
716 {
717 	struct usb_serial_port *port = tty->driver_data;
718 	unsigned int value;
719 	struct option_port_private *portdata;
720 
721 	portdata = usb_get_serial_port_data(port);
722 
723 	value = ((portdata->rts_state) ? TIOCM_RTS : 0) |
724 		((portdata->dtr_state) ? TIOCM_DTR : 0) |
725 		((portdata->cts_state) ? TIOCM_CTS : 0) |
726 		((portdata->dsr_state) ? TIOCM_DSR : 0) |
727 		((portdata->dcd_state) ? TIOCM_CAR : 0) |
728 		((portdata->ri_state) ? TIOCM_RNG : 0);
729 
730 	return value;
731 }
732 
733 static int option_tiocmset(struct tty_struct *tty, struct file *file,
734 			unsigned int set, unsigned int clear)
735 {
736 	struct usb_serial_port *port = tty->driver_data;
737 	struct option_port_private *portdata;
738 
739 	portdata = usb_get_serial_port_data(port);
740 
741 	/* FIXME: what locks portdata fields ? */
742 	if (set & TIOCM_RTS)
743 		portdata->rts_state = 1;
744 	if (set & TIOCM_DTR)
745 		portdata->dtr_state = 1;
746 
747 	if (clear & TIOCM_RTS)
748 		portdata->rts_state = 0;
749 	if (clear & TIOCM_DTR)
750 		portdata->dtr_state = 0;
751 	return option_send_setup(port);
752 }
753 
754 /* Write */
755 static int option_write(struct tty_struct *tty, struct usb_serial_port *port,
756 			const unsigned char *buf, int count)
757 {
758 	struct option_port_private *portdata;
759 	int i;
760 	int left, todo;
761 	struct urb *this_urb = NULL; /* spurious */
762 	int err;
763 
764 	portdata = usb_get_serial_port_data(port);
765 
766 	dbg("%s: write (%d chars)", __func__, count);
767 
768 	i = 0;
769 	left = count;
770 	for (i = 0; left > 0 && i < N_OUT_URB; i++) {
771 		todo = left;
772 		if (todo > OUT_BUFLEN)
773 			todo = OUT_BUFLEN;
774 
775 		this_urb = portdata->out_urbs[i];
776 		if (test_and_set_bit(i, &portdata->out_busy)) {
777 			if (time_before(jiffies,
778 					portdata->tx_start_time[i] + 10 * HZ))
779 				continue;
780 			usb_unlink_urb(this_urb);
781 			continue;
782 		}
783 		dbg("%s: endpoint %d buf %d", __func__,
784 			usb_pipeendpoint(this_urb->pipe), i);
785 
786 		/* send the data */
787 		memcpy(this_urb->transfer_buffer, buf, todo);
788 		this_urb->transfer_buffer_length = todo;
789 
790 		err = usb_submit_urb(this_urb, GFP_ATOMIC);
791 		if (err) {
792 			dbg("usb_submit_urb %p (write bulk) failed "
793 				"(%d)", this_urb, err);
794 			clear_bit(i, &portdata->out_busy);
795 			continue;
796 		}
797 		portdata->tx_start_time[i] = jiffies;
798 		buf += todo;
799 		left -= todo;
800 	}
801 
802 	count -= left;
803 	dbg("%s: wrote (did %d)", __func__, count);
804 	return count;
805 }
806 
807 static void option_indat_callback(struct urb *urb)
808 {
809 	int err;
810 	int endpoint;
811 	struct usb_serial_port *port;
812 	struct tty_struct *tty;
813 	unsigned char *data = urb->transfer_buffer;
814 	int status = urb->status;
815 
816 	dbg("%s: %p", __func__, urb);
817 
818 	endpoint = usb_pipeendpoint(urb->pipe);
819 	port =  urb->context;
820 
821 	if (status) {
822 		dbg("%s: nonzero status: %d on endpoint %02x.",
823 		    __func__, status, endpoint);
824 	} else {
825 		tty = tty_port_tty_get(&port->port);
826 		if (urb->actual_length) {
827 			tty_buffer_request_room(tty, urb->actual_length);
828 			tty_insert_flip_string(tty, data, urb->actual_length);
829 			tty_flip_buffer_push(tty);
830 		} else
831 			dbg("%s: empty read urb received", __func__);
832 		tty_kref_put(tty);
833 
834 		/* Resubmit urb so we continue receiving */
835 		if (port->port.count && status != -ESHUTDOWN) {
836 			err = usb_submit_urb(urb, GFP_ATOMIC);
837 			if (err)
838 				printk(KERN_ERR "%s: resubmit read urb failed. "
839 					"(%d)", __func__, err);
840 		}
841 	}
842 	return;
843 }
844 
845 static void option_outdat_callback(struct urb *urb)
846 {
847 	struct usb_serial_port *port;
848 	struct option_port_private *portdata;
849 	int i;
850 
851 	dbg("%s", __func__);
852 
853 	port =  urb->context;
854 
855 	usb_serial_port_softint(port);
856 
857 	portdata = usb_get_serial_port_data(port);
858 	for (i = 0; i < N_OUT_URB; ++i) {
859 		if (portdata->out_urbs[i] == urb) {
860 			smp_mb__before_clear_bit();
861 			clear_bit(i, &portdata->out_busy);
862 			break;
863 		}
864 	}
865 }
866 
867 static void option_instat_callback(struct urb *urb)
868 {
869 	int err;
870 	int status = urb->status;
871 	struct usb_serial_port *port =  urb->context;
872 	struct option_port_private *portdata = usb_get_serial_port_data(port);
873 
874 	dbg("%s", __func__);
875 	dbg("%s: urb %p port %p has data %p", __func__, urb, port, portdata);
876 
877 	if (status == 0) {
878 		struct usb_ctrlrequest *req_pkt =
879 				(struct usb_ctrlrequest *)urb->transfer_buffer;
880 
881 		if (!req_pkt) {
882 			dbg("%s: NULL req_pkt\n", __func__);
883 			return;
884 		}
885 		if ((req_pkt->bRequestType == 0xA1) &&
886 				(req_pkt->bRequest == 0x20)) {
887 			int old_dcd_state;
888 			unsigned char signals = *((unsigned char *)
889 					urb->transfer_buffer +
890 					sizeof(struct usb_ctrlrequest));
891 
892 			dbg("%s: signal x%x", __func__, signals);
893 
894 			old_dcd_state = portdata->dcd_state;
895 			portdata->cts_state = 1;
896 			portdata->dcd_state = ((signals & 0x01) ? 1 : 0);
897 			portdata->dsr_state = ((signals & 0x02) ? 1 : 0);
898 			portdata->ri_state = ((signals & 0x08) ? 1 : 0);
899 
900 			if (old_dcd_state && !portdata->dcd_state) {
901 				struct tty_struct *tty =
902 						tty_port_tty_get(&port->port);
903 				if (tty && !C_CLOCAL(tty))
904 					tty_hangup(tty);
905 				tty_kref_put(tty);
906 			}
907 		} else {
908 			dbg("%s: type %x req %x", __func__,
909 				req_pkt->bRequestType, req_pkt->bRequest);
910 		}
911 	} else
912 		err("%s: error %d", __func__, status);
913 
914 	/* Resubmit urb so we continue receiving IRQ data */
915 	if (status != -ESHUTDOWN && status != -ENOENT) {
916 		err = usb_submit_urb(urb, GFP_ATOMIC);
917 		if (err)
918 			dbg("%s: resubmit intr urb failed. (%d)",
919 				__func__, err);
920 	}
921 }
922 
923 static int option_write_room(struct tty_struct *tty)
924 {
925 	struct usb_serial_port *port = tty->driver_data;
926 	struct option_port_private *portdata;
927 	int i;
928 	int data_len = 0;
929 	struct urb *this_urb;
930 
931 	portdata = usb_get_serial_port_data(port);
932 
933 	for (i = 0; i < N_OUT_URB; i++) {
934 		this_urb = portdata->out_urbs[i];
935 		if (this_urb && !test_bit(i, &portdata->out_busy))
936 			data_len += OUT_BUFLEN;
937 	}
938 
939 	dbg("%s: %d", __func__, data_len);
940 	return data_len;
941 }
942 
943 static int option_chars_in_buffer(struct tty_struct *tty)
944 {
945 	struct usb_serial_port *port = tty->driver_data;
946 	struct option_port_private *portdata;
947 	int i;
948 	int data_len = 0;
949 	struct urb *this_urb;
950 
951 	portdata = usb_get_serial_port_data(port);
952 
953 	for (i = 0; i < N_OUT_URB; i++) {
954 		this_urb = portdata->out_urbs[i];
955 		/* FIXME: This locking is insufficient as this_urb may
956 		   go unused during the test */
957 		if (this_urb && test_bit(i, &portdata->out_busy))
958 			data_len += this_urb->transfer_buffer_length;
959 	}
960 	dbg("%s: %d", __func__, data_len);
961 	return data_len;
962 }
963 
964 static int option_open(struct tty_struct *tty,
965 			struct usb_serial_port *port, struct file *filp)
966 {
967 	struct option_port_private *portdata;
968 	int i, err;
969 	struct urb *urb;
970 
971 	portdata = usb_get_serial_port_data(port);
972 
973 	dbg("%s", __func__);
974 
975 	/* Start reading from the IN endpoint */
976 	for (i = 0; i < N_IN_URB; i++) {
977 		urb = portdata->in_urbs[i];
978 		if (!urb)
979 			continue;
980 		err = usb_submit_urb(urb, GFP_KERNEL);
981 		if (err) {
982 			dbg("%s: submit urb %d failed (%d) %d",
983 				__func__, i, err,
984 				urb->transfer_buffer_length);
985 		}
986 	}
987 
988 	option_send_setup(port);
989 
990 	return 0;
991 }
992 
993 static void option_dtr_rts(struct usb_serial_port *port, int on)
994 {
995 	struct usb_serial *serial = port->serial;
996 	struct option_port_private *portdata;
997 
998 	dbg("%s", __func__);
999 	portdata = usb_get_serial_port_data(port);
1000 	mutex_lock(&serial->disc_mutex);
1001 	portdata->rts_state = on;
1002 	portdata->dtr_state = on;
1003 	if (serial->dev)
1004 		option_send_setup(port);
1005 	mutex_unlock(&serial->disc_mutex);
1006 }
1007 
1008 
1009 static void option_close(struct usb_serial_port *port)
1010 {
1011 	int i;
1012 	struct usb_serial *serial = port->serial;
1013 	struct option_port_private *portdata;
1014 
1015 	dbg("%s", __func__);
1016 	portdata = usb_get_serial_port_data(port);
1017 
1018 	if (serial->dev) {
1019 		/* Stop reading/writing urbs */
1020 		for (i = 0; i < N_IN_URB; i++)
1021 			usb_kill_urb(portdata->in_urbs[i]);
1022 		for (i = 0; i < N_OUT_URB; i++)
1023 			usb_kill_urb(portdata->out_urbs[i]);
1024 	}
1025 }
1026 
1027 /* Helper functions used by option_setup_urbs */
1028 static struct urb *option_setup_urb(struct usb_serial *serial, int endpoint,
1029 		int dir, void *ctx, char *buf, int len,
1030 		void (*callback)(struct urb *))
1031 {
1032 	struct urb *urb;
1033 
1034 	if (endpoint == -1)
1035 		return NULL;		/* endpoint not needed */
1036 
1037 	urb = usb_alloc_urb(0, GFP_KERNEL);		/* No ISO */
1038 	if (urb == NULL) {
1039 		dbg("%s: alloc for endpoint %d failed.", __func__, endpoint);
1040 		return NULL;
1041 	}
1042 
1043 		/* Fill URB using supplied data. */
1044 	usb_fill_bulk_urb(urb, serial->dev,
1045 		      usb_sndbulkpipe(serial->dev, endpoint) | dir,
1046 		      buf, len, callback, ctx);
1047 
1048 	return urb;
1049 }
1050 
1051 /* Setup urbs */
1052 static void option_setup_urbs(struct usb_serial *serial)
1053 {
1054 	int i, j;
1055 	struct usb_serial_port *port;
1056 	struct option_port_private *portdata;
1057 
1058 	dbg("%s", __func__);
1059 
1060 	for (i = 0; i < serial->num_ports; i++) {
1061 		port = serial->port[i];
1062 		portdata = usb_get_serial_port_data(port);
1063 
1064 		/* Do indat endpoints first */
1065 		for (j = 0; j < N_IN_URB; ++j) {
1066 			portdata->in_urbs[j] = option_setup_urb(serial,
1067 					port->bulk_in_endpointAddress,
1068 					USB_DIR_IN, port,
1069 					portdata->in_buffer[j],
1070 					IN_BUFLEN, option_indat_callback);
1071 		}
1072 
1073 		/* outdat endpoints */
1074 		for (j = 0; j < N_OUT_URB; ++j) {
1075 			portdata->out_urbs[j] = option_setup_urb(serial,
1076 					port->bulk_out_endpointAddress,
1077 					USB_DIR_OUT, port,
1078 					portdata->out_buffer[j],
1079 					OUT_BUFLEN, option_outdat_callback);
1080 		}
1081 	}
1082 }
1083 
1084 
1085 /** send RTS/DTR state to the port.
1086  *
1087  * This is exactly the same as SET_CONTROL_LINE_STATE from the PSTN
1088  * CDC.
1089 */
1090 static int option_send_setup(struct usb_serial_port *port)
1091 {
1092 	struct usb_serial *serial = port->serial;
1093 	struct option_port_private *portdata;
1094 	int ifNum = serial->interface->cur_altsetting->desc.bInterfaceNumber;
1095 	int val = 0;
1096 	dbg("%s", __func__);
1097 
1098 	portdata = usb_get_serial_port_data(port);
1099 
1100 	if (portdata->dtr_state)
1101 		val |= 0x01;
1102 	if (portdata->rts_state)
1103 		val |= 0x02;
1104 
1105 	return usb_control_msg(serial->dev,
1106 		usb_rcvctrlpipe(serial->dev, 0),
1107 		0x22, 0x21, val, ifNum, NULL, 0, USB_CTRL_SET_TIMEOUT);
1108 }
1109 
1110 static int option_startup(struct usb_serial *serial)
1111 {
1112 	int i, j, err;
1113 	struct usb_serial_port *port;
1114 	struct option_port_private *portdata;
1115 	u8 *buffer;
1116 
1117 	dbg("%s", __func__);
1118 
1119 	/* Now setup per port private data */
1120 	for (i = 0; i < serial->num_ports; i++) {
1121 		port = serial->port[i];
1122 		portdata = kzalloc(sizeof(*portdata), GFP_KERNEL);
1123 		if (!portdata) {
1124 			dbg("%s: kmalloc for option_port_private (%d) failed!.",
1125 					__func__, i);
1126 			return 1;
1127 		}
1128 
1129 		for (j = 0; j < N_IN_URB; j++) {
1130 			buffer = (u8 *)__get_free_page(GFP_KERNEL);
1131 			if (!buffer)
1132 				goto bail_out_error;
1133 			portdata->in_buffer[j] = buffer;
1134 		}
1135 
1136 		for (j = 0; j < N_OUT_URB; j++) {
1137 			buffer = kmalloc(OUT_BUFLEN, GFP_KERNEL);
1138 			if (!buffer)
1139 				goto bail_out_error2;
1140 			portdata->out_buffer[j] = buffer;
1141 		}
1142 
1143 		usb_set_serial_port_data(port, portdata);
1144 
1145 		if (!port->interrupt_in_urb)
1146 			continue;
1147 		err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
1148 		if (err)
1149 			dbg("%s: submit irq_in urb failed %d",
1150 				__func__, err);
1151 	}
1152 	option_setup_urbs(serial);
1153 	return 0;
1154 
1155 bail_out_error2:
1156 	for (j = 0; j < N_OUT_URB; j++)
1157 		kfree(portdata->out_buffer[j]);
1158 bail_out_error:
1159 	for (j = 0; j < N_IN_URB; j++)
1160 		if (portdata->in_buffer[j])
1161 			free_page((unsigned long)portdata->in_buffer[j]);
1162 	kfree(portdata);
1163 	return 1;
1164 }
1165 
1166 static void stop_read_write_urbs(struct usb_serial *serial)
1167 {
1168 	int i, j;
1169 	struct usb_serial_port *port;
1170 	struct option_port_private *portdata;
1171 
1172 	/* Stop reading/writing urbs */
1173 	for (i = 0; i < serial->num_ports; ++i) {
1174 		port = serial->port[i];
1175 		portdata = usb_get_serial_port_data(port);
1176 		for (j = 0; j < N_IN_URB; j++)
1177 			usb_kill_urb(portdata->in_urbs[j]);
1178 		for (j = 0; j < N_OUT_URB; j++)
1179 			usb_kill_urb(portdata->out_urbs[j]);
1180 	}
1181 }
1182 
1183 static void option_disconnect(struct usb_serial *serial)
1184 {
1185 	dbg("%s", __func__);
1186 
1187 	stop_read_write_urbs(serial);
1188 }
1189 
1190 static void option_release(struct usb_serial *serial)
1191 {
1192 	int i, j;
1193 	struct usb_serial_port *port;
1194 	struct option_port_private *portdata;
1195 
1196 	dbg("%s", __func__);
1197 
1198 	/* Now free them */
1199 	for (i = 0; i < serial->num_ports; ++i) {
1200 		port = serial->port[i];
1201 		portdata = usb_get_serial_port_data(port);
1202 
1203 		for (j = 0; j < N_IN_URB; j++) {
1204 			if (portdata->in_urbs[j]) {
1205 				usb_free_urb(portdata->in_urbs[j]);
1206 				free_page((unsigned long)
1207 					portdata->in_buffer[j]);
1208 				portdata->in_urbs[j] = NULL;
1209 			}
1210 		}
1211 		for (j = 0; j < N_OUT_URB; j++) {
1212 			if (portdata->out_urbs[j]) {
1213 				usb_free_urb(portdata->out_urbs[j]);
1214 				kfree(portdata->out_buffer[j]);
1215 				portdata->out_urbs[j] = NULL;
1216 			}
1217 		}
1218 	}
1219 
1220 	/* Now free per port private data */
1221 	for (i = 0; i < serial->num_ports; i++) {
1222 		port = serial->port[i];
1223 		kfree(usb_get_serial_port_data(port));
1224 	}
1225 }
1226 
1227 #ifdef CONFIG_PM
1228 static int option_suspend(struct usb_serial *serial, pm_message_t message)
1229 {
1230 	dbg("%s entered", __func__);
1231 	stop_read_write_urbs(serial);
1232 
1233 	return 0;
1234 }
1235 
1236 static int option_resume(struct usb_serial *serial)
1237 {
1238 	int err, i, j;
1239 	struct usb_serial_port *port;
1240 	struct urb *urb;
1241 	struct option_port_private *portdata;
1242 
1243 	dbg("%s entered", __func__);
1244 	/* get the interrupt URBs resubmitted unconditionally */
1245 	for (i = 0; i < serial->num_ports; i++) {
1246 		port = serial->port[i];
1247 		if (!port->interrupt_in_urb) {
1248 			dbg("%s: No interrupt URB for port %d\n", __func__, i);
1249 			continue;
1250 		}
1251 		err = usb_submit_urb(port->interrupt_in_urb, GFP_NOIO);
1252 		dbg("Submitted interrupt URB for port %d (result %d)", i, err);
1253 		if (err < 0) {
1254 			err("%s: Error %d for interrupt URB of port%d",
1255 				 __func__, err, i);
1256 			return err;
1257 		}
1258 	}
1259 
1260 	for (i = 0; i < serial->num_ports; i++) {
1261 		/* walk all ports */
1262 		port = serial->port[i];
1263 		portdata = usb_get_serial_port_data(port);
1264 		mutex_lock(&port->mutex);
1265 
1266 		/* skip closed ports */
1267 		if (!port->port.count) {
1268 			mutex_unlock(&port->mutex);
1269 			continue;
1270 		}
1271 
1272 		for (j = 0; j < N_IN_URB; j++) {
1273 			urb = portdata->in_urbs[j];
1274 			err = usb_submit_urb(urb, GFP_NOIO);
1275 			if (err < 0) {
1276 				mutex_unlock(&port->mutex);
1277 				err("%s: Error %d for bulk URB %d",
1278 					 __func__, err, i);
1279 				return err;
1280 			}
1281 		}
1282 		mutex_unlock(&port->mutex);
1283 	}
1284 	return 0;
1285 }
1286 #endif
1287 
1288 MODULE_AUTHOR(DRIVER_AUTHOR);
1289 MODULE_DESCRIPTION(DRIVER_DESC);
1290 MODULE_VERSION(DRIVER_VERSION);
1291 MODULE_LICENSE("GPL");
1292 
1293 module_param(debug, bool, S_IRUGO | S_IWUSR);
1294 MODULE_PARM_DESC(debug, "Debug messages");
1295