xref: /linux/drivers/usb/serial/option.c (revision dfc349402de8e95f6a42e8341e9ea193b718eee3)
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 static void option_close(struct usb_serial_port *port);
50 static void option_dtr_rts(struct usb_serial_port *port, int on);
51 
52 static int  option_startup(struct usb_serial *serial);
53 static void option_disconnect(struct usb_serial *serial);
54 static void option_release(struct usb_serial *serial);
55 static int  option_write_room(struct tty_struct *tty);
56 
57 static void option_instat_callback(struct urb *urb);
58 
59 static int option_write(struct tty_struct *tty, struct usb_serial_port *port,
60 			const unsigned char *buf, int count);
61 static int  option_chars_in_buffer(struct tty_struct *tty);
62 static void option_set_termios(struct tty_struct *tty,
63 			struct usb_serial_port *port, struct ktermios *old);
64 static int  option_tiocmget(struct tty_struct *tty, struct file *file);
65 static int  option_tiocmset(struct tty_struct *tty, struct file *file,
66 				unsigned int set, unsigned int clear);
67 static int  option_send_setup(struct usb_serial_port *port);
68 #ifdef CONFIG_PM
69 static int  option_suspend(struct usb_serial *serial, pm_message_t message);
70 static int  option_resume(struct usb_serial *serial);
71 #endif
72 
73 /* Vendor and product IDs */
74 #define OPTION_VENDOR_ID			0x0AF0
75 #define OPTION_PRODUCT_COLT			0x5000
76 #define OPTION_PRODUCT_RICOLA			0x6000
77 #define OPTION_PRODUCT_RICOLA_LIGHT		0x6100
78 #define OPTION_PRODUCT_RICOLA_QUAD		0x6200
79 #define OPTION_PRODUCT_RICOLA_QUAD_LIGHT	0x6300
80 #define OPTION_PRODUCT_RICOLA_NDIS		0x6050
81 #define OPTION_PRODUCT_RICOLA_NDIS_LIGHT	0x6150
82 #define OPTION_PRODUCT_RICOLA_NDIS_QUAD		0x6250
83 #define OPTION_PRODUCT_RICOLA_NDIS_QUAD_LIGHT	0x6350
84 #define OPTION_PRODUCT_COBRA			0x6500
85 #define OPTION_PRODUCT_COBRA_BUS		0x6501
86 #define OPTION_PRODUCT_VIPER			0x6600
87 #define OPTION_PRODUCT_VIPER_BUS		0x6601
88 #define OPTION_PRODUCT_GT_MAX_READY		0x6701
89 #define OPTION_PRODUCT_FUJI_MODEM_LIGHT		0x6721
90 #define OPTION_PRODUCT_FUJI_MODEM_GT		0x6741
91 #define OPTION_PRODUCT_FUJI_MODEM_EX		0x6761
92 #define OPTION_PRODUCT_KOI_MODEM		0x6800
93 #define OPTION_PRODUCT_SCORPION_MODEM		0x6901
94 #define OPTION_PRODUCT_ETNA_MODEM		0x7001
95 #define OPTION_PRODUCT_ETNA_MODEM_LITE		0x7021
96 #define OPTION_PRODUCT_ETNA_MODEM_GT		0x7041
97 #define OPTION_PRODUCT_ETNA_MODEM_EX		0x7061
98 #define OPTION_PRODUCT_ETNA_KOI_MODEM		0x7100
99 #define OPTION_PRODUCT_GTM380_MODEM		0x7201
100 
101 #define HUAWEI_VENDOR_ID			0x12D1
102 #define HUAWEI_PRODUCT_E600			0x1001
103 #define HUAWEI_PRODUCT_E220			0x1003
104 #define HUAWEI_PRODUCT_E220BIS			0x1004
105 #define HUAWEI_PRODUCT_E1401			0x1401
106 #define HUAWEI_PRODUCT_E1402			0x1402
107 #define HUAWEI_PRODUCT_E1403			0x1403
108 #define HUAWEI_PRODUCT_E1404			0x1404
109 #define HUAWEI_PRODUCT_E1405			0x1405
110 #define HUAWEI_PRODUCT_E1406			0x1406
111 #define HUAWEI_PRODUCT_E1407			0x1407
112 #define HUAWEI_PRODUCT_E1408			0x1408
113 #define HUAWEI_PRODUCT_E1409			0x1409
114 #define HUAWEI_PRODUCT_E140A			0x140A
115 #define HUAWEI_PRODUCT_E140B			0x140B
116 #define HUAWEI_PRODUCT_E140C			0x140C
117 #define HUAWEI_PRODUCT_E140D			0x140D
118 #define HUAWEI_PRODUCT_E140E			0x140E
119 #define HUAWEI_PRODUCT_E140F			0x140F
120 #define HUAWEI_PRODUCT_E1410			0x1410
121 #define HUAWEI_PRODUCT_E1411			0x1411
122 #define HUAWEI_PRODUCT_E1412			0x1412
123 #define HUAWEI_PRODUCT_E1413			0x1413
124 #define HUAWEI_PRODUCT_E1414			0x1414
125 #define HUAWEI_PRODUCT_E1415			0x1415
126 #define HUAWEI_PRODUCT_E1416			0x1416
127 #define HUAWEI_PRODUCT_E1417			0x1417
128 #define HUAWEI_PRODUCT_E1418			0x1418
129 #define HUAWEI_PRODUCT_E1419			0x1419
130 #define HUAWEI_PRODUCT_E141A			0x141A
131 #define HUAWEI_PRODUCT_E141B			0x141B
132 #define HUAWEI_PRODUCT_E141C			0x141C
133 #define HUAWEI_PRODUCT_E141D			0x141D
134 #define HUAWEI_PRODUCT_E141E			0x141E
135 #define HUAWEI_PRODUCT_E141F			0x141F
136 #define HUAWEI_PRODUCT_E1420			0x1420
137 #define HUAWEI_PRODUCT_E1421			0x1421
138 #define HUAWEI_PRODUCT_E1422			0x1422
139 #define HUAWEI_PRODUCT_E1423			0x1423
140 #define HUAWEI_PRODUCT_E1424			0x1424
141 #define HUAWEI_PRODUCT_E1425			0x1425
142 #define HUAWEI_PRODUCT_E1426			0x1426
143 #define HUAWEI_PRODUCT_E1427			0x1427
144 #define HUAWEI_PRODUCT_E1428			0x1428
145 #define HUAWEI_PRODUCT_E1429			0x1429
146 #define HUAWEI_PRODUCT_E142A			0x142A
147 #define HUAWEI_PRODUCT_E142B			0x142B
148 #define HUAWEI_PRODUCT_E142C			0x142C
149 #define HUAWEI_PRODUCT_E142D			0x142D
150 #define HUAWEI_PRODUCT_E142E			0x142E
151 #define HUAWEI_PRODUCT_E142F			0x142F
152 #define HUAWEI_PRODUCT_E1430			0x1430
153 #define HUAWEI_PRODUCT_E1431			0x1431
154 #define HUAWEI_PRODUCT_E1432			0x1432
155 #define HUAWEI_PRODUCT_E1433			0x1433
156 #define HUAWEI_PRODUCT_E1434			0x1434
157 #define HUAWEI_PRODUCT_E1435			0x1435
158 #define HUAWEI_PRODUCT_E1436			0x1436
159 #define HUAWEI_PRODUCT_E1437			0x1437
160 #define HUAWEI_PRODUCT_E1438			0x1438
161 #define HUAWEI_PRODUCT_E1439			0x1439
162 #define HUAWEI_PRODUCT_E143A			0x143A
163 #define HUAWEI_PRODUCT_E143B			0x143B
164 #define HUAWEI_PRODUCT_E143C			0x143C
165 #define HUAWEI_PRODUCT_E143D			0x143D
166 #define HUAWEI_PRODUCT_E143E			0x143E
167 #define HUAWEI_PRODUCT_E143F			0x143F
168 #define HUAWEI_PRODUCT_E14AC			0x14AC
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 #define TELIT_PRODUCT_UC864G			0x1004
296 
297 /* ZTE PRODUCTS */
298 #define ZTE_VENDOR_ID				0x19d2
299 #define ZTE_PRODUCT_MF622			0x0001
300 #define ZTE_PRODUCT_MF628			0x0015
301 #define ZTE_PRODUCT_MF626			0x0031
302 #define ZTE_PRODUCT_CDMA_TECH			0xfffe
303 #define ZTE_PRODUCT_AC8710			0xfff1
304 #define ZTE_PRODUCT_AC2726			0xfff5
305 
306 #define BENQ_VENDOR_ID				0x04a5
307 #define BENQ_PRODUCT_H10			0x4068
308 
309 #define DLINK_VENDOR_ID				0x1186
310 #define DLINK_PRODUCT_DWM_652			0x3e04
311 #define DLINK_PRODUCT_DWM_652_U5		0xce16
312 
313 #define QISDA_VENDOR_ID				0x1da5
314 #define QISDA_PRODUCT_H21_4512			0x4512
315 #define QISDA_PRODUCT_H21_4523			0x4523
316 #define QISDA_PRODUCT_H20_4515			0x4515
317 #define QISDA_PRODUCT_H20_4519			0x4519
318 
319 /* TLAYTECH PRODUCTS */
320 #define TLAYTECH_VENDOR_ID			0x20B9
321 #define TLAYTECH_PRODUCT_TEU800			0x1682
322 
323 /* TOSHIBA PRODUCTS */
324 #define TOSHIBA_VENDOR_ID			0x0930
325 #define TOSHIBA_PRODUCT_HSDPA_MINICARD		0x1302
326 #define TOSHIBA_PRODUCT_G450			0x0d45
327 
328 #define ALINK_VENDOR_ID				0x1e0e
329 #define ALINK_PRODUCT_3GU			0x9200
330 
331 /* ALCATEL PRODUCTS */
332 #define ALCATEL_VENDOR_ID			0x1bbb
333 #define ALCATEL_PRODUCT_X060S			0x0000
334 
335 /* Airplus products */
336 #define AIRPLUS_VENDOR_ID			0x1011
337 #define AIRPLUS_PRODUCT_MCD650			0x3198
338 
339 static struct usb_device_id option_ids[] = {
340 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
341 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
342 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_LIGHT) },
343 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD) },
344 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD_LIGHT) },
345 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS) },
346 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_LIGHT) },
347 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD) },
348 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD_LIGHT) },
349 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA) },
350 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA_BUS) },
351 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER) },
352 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER_BUS) },
353 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GT_MAX_READY) },
354 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_LIGHT) },
355 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_GT) },
356 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_EX) },
357 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_KOI_MODEM) },
358 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_MODEM) },
359 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM) },
360 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_LITE) },
361 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_GT) },
362 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_EX) },
363 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_MODEM) },
364 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GTM380_MODEM) },
365 	{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_Q101) },
366 	{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_Q111) },
367 	{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GLX) },
368 	{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GKE) },
369 	{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GLE) },
370 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E600, 0xff, 0xff, 0xff) },
371 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220, 0xff, 0xff, 0xff) },
372 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220BIS, 0xff, 0xff, 0xff) },
373 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1401, 0xff, 0xff, 0xff) },
374 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1402, 0xff, 0xff, 0xff) },
375 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1403, 0xff, 0xff, 0xff) },
376 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1404, 0xff, 0xff, 0xff) },
377 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1405, 0xff, 0xff, 0xff) },
378 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1406, 0xff, 0xff, 0xff) },
379 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1407, 0xff, 0xff, 0xff) },
380 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1408, 0xff, 0xff, 0xff) },
381 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1409, 0xff, 0xff, 0xff) },
382 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140A, 0xff, 0xff, 0xff) },
383 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140B, 0xff, 0xff, 0xff) },
384 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140C, 0xff, 0xff, 0xff) },
385 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140D, 0xff, 0xff, 0xff) },
386 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140E, 0xff, 0xff, 0xff) },
387 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140F, 0xff, 0xff, 0xff) },
388 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1410, 0xff, 0xff, 0xff) },
389 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1411, 0xff, 0xff, 0xff) },
390 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1412, 0xff, 0xff, 0xff) },
391 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1413, 0xff, 0xff, 0xff) },
392 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1414, 0xff, 0xff, 0xff) },
393 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1415, 0xff, 0xff, 0xff) },
394 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1416, 0xff, 0xff, 0xff) },
395 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1417, 0xff, 0xff, 0xff) },
396 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1418, 0xff, 0xff, 0xff) },
397 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1419, 0xff, 0xff, 0xff) },
398 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141A, 0xff, 0xff, 0xff) },
399 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141B, 0xff, 0xff, 0xff) },
400 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141C, 0xff, 0xff, 0xff) },
401 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141D, 0xff, 0xff, 0xff) },
402 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141E, 0xff, 0xff, 0xff) },
403 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141F, 0xff, 0xff, 0xff) },
404 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1420, 0xff, 0xff, 0xff) },
405 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1421, 0xff, 0xff, 0xff) },
406 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1422, 0xff, 0xff, 0xff) },
407 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1423, 0xff, 0xff, 0xff) },
408 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1424, 0xff, 0xff, 0xff) },
409 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1425, 0xff, 0xff, 0xff) },
410 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1426, 0xff, 0xff, 0xff) },
411 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1427, 0xff, 0xff, 0xff) },
412 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1428, 0xff, 0xff, 0xff) },
413 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1429, 0xff, 0xff, 0xff) },
414 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142A, 0xff, 0xff, 0xff) },
415 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142B, 0xff, 0xff, 0xff) },
416 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142C, 0xff, 0xff, 0xff) },
417 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142D, 0xff, 0xff, 0xff) },
418 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142E, 0xff, 0xff, 0xff) },
419 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142F, 0xff, 0xff, 0xff) },
420 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1430, 0xff, 0xff, 0xff) },
421 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1431, 0xff, 0xff, 0xff) },
422 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1432, 0xff, 0xff, 0xff) },
423 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1433, 0xff, 0xff, 0xff) },
424 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1434, 0xff, 0xff, 0xff) },
425 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1435, 0xff, 0xff, 0xff) },
426 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1436, 0xff, 0xff, 0xff) },
427 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1437, 0xff, 0xff, 0xff) },
428 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1438, 0xff, 0xff, 0xff) },
429 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1439, 0xff, 0xff, 0xff) },
430 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143A, 0xff, 0xff, 0xff) },
431 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143B, 0xff, 0xff, 0xff) },
432 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143C, 0xff, 0xff, 0xff) },
433 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143D, 0xff, 0xff, 0xff) },
434 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143E, 0xff, 0xff, 0xff) },
435 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143F, 0xff, 0xff, 0xff) },
436 	{ USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E14AC) },
437 	{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_9508) },
438 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) }, /* Novatel Merlin V640/XV620 */
439 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) }, /* Novatel Merlin V620/S620 */
440 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V740) }, /* Novatel Merlin EX720/V740/X720 */
441 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V720) }, /* Novatel Merlin V720/S720/PC720 */
442 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U730) }, /* Novatel U730/U740 (VF version) */
443 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U740) }, /* Novatel U740 */
444 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U870) }, /* Novatel U870 */
445 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_XU870) }, /* Novatel Merlin XU870 HSDPA/3G */
446 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_X950D) }, /* Novatel X950D */
447 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EV620) }, /* Novatel EV620/ES620 CDMA/EV-DO */
448 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_ES720) }, /* Novatel ES620/ES720/U720/USB720 */
449 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E725) }, /* Novatel E725/E726 */
450 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_ES620) }, /* Novatel Merlin ES620 SM Bus */
451 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU730) }, /* Novatel EU730 and Vodafone EU740 */
452 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU740) }, /* Novatel non-Vodafone EU740 */
453 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU870D) }, /* Novatel EU850D/EU860D/EU870D */
454 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC950D) }, /* Novatel MC930D/MC950D */
455 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC727) }, /* Novatel MC727/U727/USB727 */
456 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC727_NEW) }, /* Novatel MC727/U727/USB727 refresh */
457 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U727) }, /* Novatel MC727/U727/USB727 */
458 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC760) }, /* Novatel MC760/U760/USB760 */
459 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_OVMC760) }, /* Novatel Ovation MC760 */
460 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_FULLSPEED) }, /* Novatel HSPA product */
461 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_EMBEDDED_FULLSPEED) }, /* Novatel EVDO Embedded product */
462 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_FULLSPEED) }, /* Novatel HSPA Embedded product */
463 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_HIGHSPEED) }, /* Novatel EVDO product */
464 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_HIGHSPEED) }, /* Novatel HSPA product */
465 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_EMBEDDED_HIGHSPEED) }, /* Novatel EVDO Embedded product */
466 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_HIGHSPEED) }, /* Novatel HSPA Embedded product */
467 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_GLOBAL) }, /* Novatel Global product */
468 
469 	{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01) },
470 	{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01A) },
471 	{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H02) },
472 
473 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5700_MINICARD) },		/* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite EV620 CDMA/EV-DO */
474 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5500_MINICARD) },		/* Dell Wireless 5500 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */
475 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5505_MINICARD) },		/* Dell Wireless 5505 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */
476 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5700_EXPRESSCARD) },		/* Dell Wireless 5700 Mobile Broadband CDMA/EVDO ExpressCard == Novatel Merlin XV620 CDMA/EV-DO */
477 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5510_EXPRESSCARD) },		/* Dell Wireless 5510 Mobile Broadband HSDPA ExpressCard == Novatel Merlin XU870 HSDPA/3G */
478 	{ 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 */
479 	{ 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 */
480 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5720_MINICARD_VZW) }, 	/* Dell Wireless 5720 == Novatel EV620 CDMA/EV-DO */
481 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5720_MINICARD_SPRINT) }, 	/* Dell Wireless 5720 == Novatel EV620 CDMA/EV-DO */
482 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5720_MINICARD_TELUS) }, 	/* Dell Wireless 5720 == Novatel EV620 CDMA/EV-DO */
483 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5520_MINICARD_CINGULAR) },	/* Dell Wireless HSDPA 5520 == Novatel Expedite EU860D */
484 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5520_MINICARD_GENERIC_L) },	/* Dell Wireless HSDPA 5520 */
485 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5520_MINICARD_GENERIC_I) },	/* Dell Wireless 5520 Voda I Mobile Broadband (3G HSDPA) Minicard */
486 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_SPRINT) },	/* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
487 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_TELUS) },	/* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
488 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_VZW) }, 	/* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
489 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) },	/* ADU-E100, ADU-310 */
490 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) },
491 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_620UW) },
492 	{ USB_DEVICE(AXESSTEL_VENDOR_ID, AXESSTEL_PRODUCT_MV110H) },
493 	{ USB_DEVICE(YISO_VENDOR_ID, YISO_PRODUCT_U893) },
494 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_1) },
495 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_2) },
496 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1004) },
497 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1005) },
498 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1006) },
499 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1007) },
500 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1008) },
501 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1009) },
502 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100A) },
503 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100B) },
504 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100C) },
505 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100D) },
506 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100E) },
507 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100F) },
508 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1010) },
509 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1011) },
510 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1012) },
511 	{ USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC650) },
512 	{ USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) },
513 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6000)}, /* ZTE AC8700 */
514 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
515 	{ USB_DEVICE(MAXON_VENDOR_ID, 0x6280) }, /* BP3-USB & BP3-EXT HSDPA */
516 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },
517 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864G) },
518 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */
519 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0002, 0xff, 0xff, 0xff) },
520 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0003, 0xff, 0xff, 0xff) },
521 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0004, 0xff, 0xff, 0xff) },
522 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0005, 0xff, 0xff, 0xff) },
523 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0006, 0xff, 0xff, 0xff) },
524 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0007, 0xff, 0xff, 0xff) },
525 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0008, 0xff, 0xff, 0xff) },
526 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0009, 0xff, 0xff, 0xff) },
527 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000a, 0xff, 0xff, 0xff) },
528 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000b, 0xff, 0xff, 0xff) },
529 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000c, 0xff, 0xff, 0xff) },
530 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000d, 0xff, 0xff, 0xff) },
531 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000e, 0xff, 0xff, 0xff) },
532 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000f, 0xff, 0xff, 0xff) },
533 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0010, 0xff, 0xff, 0xff) },
534 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0011, 0xff, 0xff, 0xff) },
535 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0012, 0xff, 0xff, 0xff) },
536 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0013, 0xff, 0xff, 0xff) },
537 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF628, 0xff, 0xff, 0xff) },
538 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0016, 0xff, 0xff, 0xff) },
539 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0017, 0xff, 0xff, 0xff) },
540 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0018, 0xff, 0xff, 0xff) },
541 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0019, 0xff, 0xff, 0xff) },
542 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0020, 0xff, 0xff, 0xff) },
543 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0021, 0xff, 0xff, 0xff) },
544 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0022, 0xff, 0xff, 0xff) },
545 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0023, 0xff, 0xff, 0xff) },
546 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0024, 0xff, 0xff, 0xff) },
547 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0025, 0xff, 0xff, 0xff) },
548 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0026, 0xff, 0xff, 0xff) },
549 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0028, 0xff, 0xff, 0xff) },
550 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0029, 0xff, 0xff, 0xff) },
551 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0030, 0xff, 0xff, 0xff) },
552 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF626, 0xff, 0xff, 0xff) },
553 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0032, 0xff, 0xff, 0xff) },
554 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0033, 0xff, 0xff, 0xff) },
555 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0037, 0xff, 0xff, 0xff) },
556 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0039, 0xff, 0xff, 0xff) },
557 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0042, 0xff, 0xff, 0xff) },
558 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0043, 0xff, 0xff, 0xff) },
559 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0048, 0xff, 0xff, 0xff) },
560 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0049, 0xff, 0xff, 0xff) },
561 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0051, 0xff, 0xff, 0xff) },
562 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0052, 0xff, 0xff, 0xff) },
563 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0054, 0xff, 0xff, 0xff) },
564 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0055, 0xff, 0xff, 0xff) },
565 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0057, 0xff, 0xff, 0xff) },
566 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0058, 0xff, 0xff, 0xff) },
567 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0061, 0xff, 0xff, 0xff) },
568 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0062, 0xff, 0xff, 0xff) },
569 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0063, 0xff, 0xff, 0xff) },
570 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0064, 0xff, 0xff, 0xff) },
571 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0066, 0xff, 0xff, 0xff) },
572 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0069, 0xff, 0xff, 0xff) },
573 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0076, 0xff, 0xff, 0xff) },
574 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0078, 0xff, 0xff, 0xff) },
575 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0082, 0xff, 0xff, 0xff) },
576 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0086, 0xff, 0xff, 0xff) },
577 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x2002, 0xff, 0xff, 0xff) },
578 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x2003, 0xff, 0xff, 0xff) },
579 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0014, 0xff, 0xff, 0xff) }, /* ZTE CDMA products */
580 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0027, 0xff, 0xff, 0xff) },
581 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0059, 0xff, 0xff, 0xff) },
582 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0060, 0xff, 0xff, 0xff) },
583 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0070, 0xff, 0xff, 0xff) },
584 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0073, 0xff, 0xff, 0xff) },
585 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_CDMA_TECH, 0xff, 0xff, 0xff) },
586 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC8710, 0xff, 0xff, 0xff) },
587 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC2726, 0xff, 0xff, 0xff) },
588 	{ USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) },
589 	{ USB_DEVICE(DLINK_VENDOR_ID, DLINK_PRODUCT_DWM_652) },
590 	{ USB_DEVICE(ALINK_VENDOR_ID, DLINK_PRODUCT_DWM_652_U5) }, /* Yes, ALINK_VENDOR_ID */
591 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4512) },
592 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4523) },
593 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H20_4515) },
594 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H20_4519) },
595 	{ USB_DEVICE(TOSHIBA_VENDOR_ID, TOSHIBA_PRODUCT_G450) },
596 	{ USB_DEVICE(TOSHIBA_VENDOR_ID, TOSHIBA_PRODUCT_HSDPA_MINICARD ) }, /* Toshiba 3G HSDPA == Novatel Expedite EU870D MiniCard */
597 	{ USB_DEVICE(ALINK_VENDOR_ID, 0x9000) },
598 	{ USB_DEVICE_AND_INTERFACE_INFO(ALINK_VENDOR_ID, ALINK_PRODUCT_3GU, 0xff, 0xff, 0xff) },
599 	{ USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S) },
600 	{ USB_DEVICE(AIRPLUS_VENDOR_ID, AIRPLUS_PRODUCT_MCD650) },
601 	{ USB_DEVICE(TLAYTECH_VENDOR_ID, TLAYTECH_PRODUCT_TEU800) },
602 	{ } /* Terminating entry */
603 };
604 MODULE_DEVICE_TABLE(usb, option_ids);
605 
606 static struct usb_driver option_driver = {
607 	.name       = "option",
608 	.probe      = usb_serial_probe,
609 	.disconnect = usb_serial_disconnect,
610 #ifdef CONFIG_PM
611 	.suspend    = usb_serial_suspend,
612 	.resume     = usb_serial_resume,
613 	.supports_autosuspend =	1,
614 #endif
615 	.id_table   = option_ids,
616 	.no_dynamic_id = 	1,
617 };
618 
619 /* The card has three separate interfaces, which the serial driver
620  * recognizes separately, thus num_port=1.
621  */
622 
623 static struct usb_serial_driver option_1port_device = {
624 	.driver = {
625 		.owner =	THIS_MODULE,
626 		.name =		"option1",
627 	},
628 	.description       = "GSM modem (1-port)",
629 	.usb_driver        = &option_driver,
630 	.id_table          = option_ids,
631 	.num_ports         = 1,
632 	.probe             = option_probe,
633 	.open              = option_open,
634 	.close             = option_close,
635 	.dtr_rts	   = option_dtr_rts,
636 	.write             = option_write,
637 	.write_room        = option_write_room,
638 	.chars_in_buffer   = option_chars_in_buffer,
639 	.set_termios       = option_set_termios,
640 	.tiocmget          = option_tiocmget,
641 	.tiocmset          = option_tiocmset,
642 	.attach            = option_startup,
643 	.disconnect        = option_disconnect,
644 	.release           = option_release,
645 	.read_int_callback = option_instat_callback,
646 #ifdef CONFIG_PM
647 	.suspend           = option_suspend,
648 	.resume            = option_resume,
649 #endif
650 };
651 
652 static int debug;
653 
654 /* per port private data */
655 
656 #define N_IN_URB 4
657 #define N_OUT_URB 4
658 #define IN_BUFLEN 4096
659 #define OUT_BUFLEN 4096
660 
661 struct option_intf_private {
662 	spinlock_t susp_lock;
663 	unsigned int suspended:1;
664 	int in_flight;
665 };
666 
667 struct option_port_private {
668 	/* Input endpoints and buffer for this port */
669 	struct urb *in_urbs[N_IN_URB];
670 	u8 *in_buffer[N_IN_URB];
671 	/* Output endpoints and buffer for this port */
672 	struct urb *out_urbs[N_OUT_URB];
673 	u8 *out_buffer[N_OUT_URB];
674 	unsigned long out_busy;		/* Bit vector of URBs in use */
675 	int opened;
676 	struct usb_anchor delayed;
677 
678 	/* Settings for the port */
679 	int rts_state;	/* Handshaking pins (outputs) */
680 	int dtr_state;
681 	int cts_state;	/* Handshaking pins (inputs) */
682 	int dsr_state;
683 	int dcd_state;
684 	int ri_state;
685 
686 	unsigned long tx_start_time[N_OUT_URB];
687 };
688 
689 /* Functions used by new usb-serial code. */
690 static int __init option_init(void)
691 {
692 	int retval;
693 	retval = usb_serial_register(&option_1port_device);
694 	if (retval)
695 		goto failed_1port_device_register;
696 	retval = usb_register(&option_driver);
697 	if (retval)
698 		goto failed_driver_register;
699 
700 	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
701 	       DRIVER_DESC "\n");
702 
703 	return 0;
704 
705 failed_driver_register:
706 	usb_serial_deregister(&option_1port_device);
707 failed_1port_device_register:
708 	return retval;
709 }
710 
711 static void __exit option_exit(void)
712 {
713 	usb_deregister(&option_driver);
714 	usb_serial_deregister(&option_1port_device);
715 }
716 
717 module_init(option_init);
718 module_exit(option_exit);
719 
720 static int option_probe(struct usb_serial *serial,
721 			const struct usb_device_id *id)
722 {
723 	struct option_intf_private *data;
724 	/* D-Link DWM 652 still exposes CD-Rom emulation interface in modem mode */
725 	if (serial->dev->descriptor.idVendor == DLINK_VENDOR_ID &&
726 		serial->dev->descriptor.idProduct == DLINK_PRODUCT_DWM_652 &&
727 		serial->interface->cur_altsetting->desc.bInterfaceClass == 0x8)
728 		return -ENODEV;
729 
730 	data = serial->private = kzalloc(sizeof(struct option_intf_private), GFP_KERNEL);
731 	if (!data)
732 		return -ENOMEM;
733 	spin_lock_init(&data->susp_lock);
734 	return 0;
735 }
736 
737 static void option_set_termios(struct tty_struct *tty,
738 		struct usb_serial_port *port, struct ktermios *old_termios)
739 {
740 	dbg("%s", __func__);
741 	/* Doesn't support option setting */
742 	tty_termios_copy_hw(tty->termios, old_termios);
743 	option_send_setup(port);
744 }
745 
746 static int option_tiocmget(struct tty_struct *tty, struct file *file)
747 {
748 	struct usb_serial_port *port = tty->driver_data;
749 	unsigned int value;
750 	struct option_port_private *portdata;
751 
752 	portdata = usb_get_serial_port_data(port);
753 
754 	value = ((portdata->rts_state) ? TIOCM_RTS : 0) |
755 		((portdata->dtr_state) ? TIOCM_DTR : 0) |
756 		((portdata->cts_state) ? TIOCM_CTS : 0) |
757 		((portdata->dsr_state) ? TIOCM_DSR : 0) |
758 		((portdata->dcd_state) ? TIOCM_CAR : 0) |
759 		((portdata->ri_state) ? TIOCM_RNG : 0);
760 
761 	return value;
762 }
763 
764 static int option_tiocmset(struct tty_struct *tty, struct file *file,
765 			unsigned int set, unsigned int clear)
766 {
767 	struct usb_serial_port *port = tty->driver_data;
768 	struct option_port_private *portdata;
769 
770 	portdata = usb_get_serial_port_data(port);
771 
772 	/* FIXME: what locks portdata fields ? */
773 	if (set & TIOCM_RTS)
774 		portdata->rts_state = 1;
775 	if (set & TIOCM_DTR)
776 		portdata->dtr_state = 1;
777 
778 	if (clear & TIOCM_RTS)
779 		portdata->rts_state = 0;
780 	if (clear & TIOCM_DTR)
781 		portdata->dtr_state = 0;
782 	return option_send_setup(port);
783 }
784 
785 /* Write */
786 static int option_write(struct tty_struct *tty, struct usb_serial_port *port,
787 			const unsigned char *buf, int count)
788 {
789 	struct option_port_private *portdata;
790 	struct option_intf_private *intfdata;
791 	int i;
792 	int left, todo;
793 	struct urb *this_urb = NULL; /* spurious */
794 	int err;
795 	unsigned long flags;
796 
797 	portdata = usb_get_serial_port_data(port);
798 	intfdata = port->serial->private;
799 
800 	dbg("%s: write (%d chars)", __func__, count);
801 
802 	i = 0;
803 	left = count;
804 	for (i = 0; left > 0 && i < N_OUT_URB; i++) {
805 		todo = left;
806 		if (todo > OUT_BUFLEN)
807 			todo = OUT_BUFLEN;
808 
809 		this_urb = portdata->out_urbs[i];
810 		if (test_and_set_bit(i, &portdata->out_busy)) {
811 			if (time_before(jiffies,
812 					portdata->tx_start_time[i] + 10 * HZ))
813 				continue;
814 			usb_unlink_urb(this_urb);
815 			continue;
816 		}
817 		dbg("%s: endpoint %d buf %d", __func__,
818 			usb_pipeendpoint(this_urb->pipe), i);
819 
820 		err = usb_autopm_get_interface_async(port->serial->interface);
821 		if (err < 0)
822 			break;
823 
824 		/* send the data */
825 		memcpy(this_urb->transfer_buffer, buf, todo);
826 		this_urb->transfer_buffer_length = todo;
827 
828 		spin_lock_irqsave(&intfdata->susp_lock, flags);
829 		if (intfdata->suspended) {
830 			usb_anchor_urb(this_urb, &portdata->delayed);
831 			spin_unlock_irqrestore(&intfdata->susp_lock, flags);
832 		} else {
833 			intfdata->in_flight++;
834 			spin_unlock_irqrestore(&intfdata->susp_lock, flags);
835 			err = usb_submit_urb(this_urb, GFP_ATOMIC);
836 			if (err) {
837 				dbg("usb_submit_urb %p (write bulk) failed "
838 					"(%d)", this_urb, err);
839 				clear_bit(i, &portdata->out_busy);
840 				spin_lock_irqsave(&intfdata->susp_lock, flags);
841 				intfdata->in_flight--;
842 				spin_unlock_irqrestore(&intfdata->susp_lock, flags);
843 				continue;
844 			}
845 		}
846 
847 		portdata->tx_start_time[i] = jiffies;
848 		buf += todo;
849 		left -= todo;
850 	}
851 
852 	count -= left;
853 	dbg("%s: wrote (did %d)", __func__, count);
854 	return count;
855 }
856 
857 static void option_indat_callback(struct urb *urb)
858 {
859 	int err;
860 	int endpoint;
861 	struct usb_serial_port *port;
862 	struct tty_struct *tty;
863 	unsigned char *data = urb->transfer_buffer;
864 	int status = urb->status;
865 
866 	dbg("%s: %p", __func__, urb);
867 
868 	endpoint = usb_pipeendpoint(urb->pipe);
869 	port =  urb->context;
870 
871 	if (status) {
872 		dbg("%s: nonzero status: %d on endpoint %02x.",
873 		    __func__, status, endpoint);
874 	} else {
875 		tty = tty_port_tty_get(&port->port);
876 		if (urb->actual_length) {
877 			tty_buffer_request_room(tty, urb->actual_length);
878 			tty_insert_flip_string(tty, data, urb->actual_length);
879 			tty_flip_buffer_push(tty);
880 		} else
881 			dbg("%s: empty read urb received", __func__);
882 		tty_kref_put(tty);
883 
884 		/* Resubmit urb so we continue receiving */
885 		if (port->port.count && status != -ESHUTDOWN) {
886 			err = usb_submit_urb(urb, GFP_ATOMIC);
887 			if (err)
888 				printk(KERN_ERR "%s: resubmit read urb failed. "
889 					"(%d)", __func__, err);
890 			else
891 				usb_mark_last_busy(port->serial->dev);
892 		}
893 
894 	}
895 	return;
896 }
897 
898 static void option_outdat_callback(struct urb *urb)
899 {
900 	struct usb_serial_port *port;
901 	struct option_port_private *portdata;
902 	struct option_intf_private *intfdata;
903 	int i;
904 
905 	dbg("%s", __func__);
906 
907 	port =  urb->context;
908 	intfdata = port->serial->private;
909 
910 	usb_serial_port_softint(port);
911 	usb_autopm_put_interface_async(port->serial->interface);
912 	portdata = usb_get_serial_port_data(port);
913 	spin_lock(&intfdata->susp_lock);
914 	intfdata->in_flight--;
915 	spin_unlock(&intfdata->susp_lock);
916 
917 	for (i = 0; i < N_OUT_URB; ++i) {
918 		if (portdata->out_urbs[i] == urb) {
919 			smp_mb__before_clear_bit();
920 			clear_bit(i, &portdata->out_busy);
921 			break;
922 		}
923 	}
924 }
925 
926 static void option_instat_callback(struct urb *urb)
927 {
928 	int err;
929 	int status = urb->status;
930 	struct usb_serial_port *port =  urb->context;
931 	struct option_port_private *portdata = usb_get_serial_port_data(port);
932 
933 	dbg("%s", __func__);
934 	dbg("%s: urb %p port %p has data %p", __func__, urb, port, portdata);
935 
936 	if (status == 0) {
937 		struct usb_ctrlrequest *req_pkt =
938 				(struct usb_ctrlrequest *)urb->transfer_buffer;
939 
940 		if (!req_pkt) {
941 			dbg("%s: NULL req_pkt\n", __func__);
942 			return;
943 		}
944 		if ((req_pkt->bRequestType == 0xA1) &&
945 				(req_pkt->bRequest == 0x20)) {
946 			int old_dcd_state;
947 			unsigned char signals = *((unsigned char *)
948 					urb->transfer_buffer +
949 					sizeof(struct usb_ctrlrequest));
950 
951 			dbg("%s: signal x%x", __func__, signals);
952 
953 			old_dcd_state = portdata->dcd_state;
954 			portdata->cts_state = 1;
955 			portdata->dcd_state = ((signals & 0x01) ? 1 : 0);
956 			portdata->dsr_state = ((signals & 0x02) ? 1 : 0);
957 			portdata->ri_state = ((signals & 0x08) ? 1 : 0);
958 
959 			if (old_dcd_state && !portdata->dcd_state) {
960 				struct tty_struct *tty =
961 						tty_port_tty_get(&port->port);
962 				if (tty && !C_CLOCAL(tty))
963 					tty_hangup(tty);
964 				tty_kref_put(tty);
965 			}
966 		} else {
967 			dbg("%s: type %x req %x", __func__,
968 				req_pkt->bRequestType, req_pkt->bRequest);
969 		}
970 	} else
971 		err("%s: error %d", __func__, status);
972 
973 	/* Resubmit urb so we continue receiving IRQ data */
974 	if (status != -ESHUTDOWN && status != -ENOENT) {
975 		err = usb_submit_urb(urb, GFP_ATOMIC);
976 		if (err)
977 			dbg("%s: resubmit intr urb failed. (%d)",
978 				__func__, err);
979 	}
980 }
981 
982 static int option_write_room(struct tty_struct *tty)
983 {
984 	struct usb_serial_port *port = tty->driver_data;
985 	struct option_port_private *portdata;
986 	int i;
987 	int data_len = 0;
988 	struct urb *this_urb;
989 
990 	portdata = usb_get_serial_port_data(port);
991 
992 	for (i = 0; i < N_OUT_URB; i++) {
993 		this_urb = portdata->out_urbs[i];
994 		if (this_urb && !test_bit(i, &portdata->out_busy))
995 			data_len += OUT_BUFLEN;
996 	}
997 
998 	dbg("%s: %d", __func__, data_len);
999 	return data_len;
1000 }
1001 
1002 static int option_chars_in_buffer(struct tty_struct *tty)
1003 {
1004 	struct usb_serial_port *port = tty->driver_data;
1005 	struct option_port_private *portdata;
1006 	int i;
1007 	int data_len = 0;
1008 	struct urb *this_urb;
1009 
1010 	portdata = usb_get_serial_port_data(port);
1011 
1012 	for (i = 0; i < N_OUT_URB; i++) {
1013 		this_urb = portdata->out_urbs[i];
1014 		/* FIXME: This locking is insufficient as this_urb may
1015 		   go unused during the test */
1016 		if (this_urb && test_bit(i, &portdata->out_busy))
1017 			data_len += this_urb->transfer_buffer_length;
1018 	}
1019 	dbg("%s: %d", __func__, data_len);
1020 	return data_len;
1021 }
1022 
1023 static int option_open(struct tty_struct *tty, struct usb_serial_port *port)
1024 {
1025 	struct option_port_private *portdata;
1026 	struct option_intf_private *intfdata;
1027 	struct usb_serial *serial = port->serial;
1028 	int i, err;
1029 	struct urb *urb;
1030 
1031 	portdata = usb_get_serial_port_data(port);
1032 	intfdata = serial->private;
1033 
1034 	dbg("%s", __func__);
1035 
1036 	/* Start reading from the IN endpoint */
1037 	for (i = 0; i < N_IN_URB; i++) {
1038 		urb = portdata->in_urbs[i];
1039 		if (!urb)
1040 			continue;
1041 		err = usb_submit_urb(urb, GFP_KERNEL);
1042 		if (err) {
1043 			dbg("%s: submit urb %d failed (%d) %d",
1044 				__func__, i, err,
1045 				urb->transfer_buffer_length);
1046 		}
1047 	}
1048 
1049 	option_send_setup(port);
1050 
1051 	serial->interface->needs_remote_wakeup = 1;
1052 	spin_lock_irq(&intfdata->susp_lock);
1053 	portdata->opened = 1;
1054 	spin_unlock_irq(&intfdata->susp_lock);
1055 	usb_autopm_put_interface(serial->interface);
1056 
1057 	return 0;
1058 }
1059 
1060 static void option_dtr_rts(struct usb_serial_port *port, int on)
1061 {
1062 	struct usb_serial *serial = port->serial;
1063 	struct option_port_private *portdata;
1064 
1065 	dbg("%s", __func__);
1066 	portdata = usb_get_serial_port_data(port);
1067 	mutex_lock(&serial->disc_mutex);
1068 	portdata->rts_state = on;
1069 	portdata->dtr_state = on;
1070 	if (serial->dev)
1071 		option_send_setup(port);
1072 	mutex_unlock(&serial->disc_mutex);
1073 }
1074 
1075 
1076 static void option_close(struct usb_serial_port *port)
1077 {
1078 	int i;
1079 	struct usb_serial *serial = port->serial;
1080 	struct option_port_private *portdata;
1081 	struct option_intf_private *intfdata = port->serial->private;
1082 
1083 	dbg("%s", __func__);
1084 	portdata = usb_get_serial_port_data(port);
1085 
1086 	if (serial->dev) {
1087 		/* Stop reading/writing urbs */
1088 		spin_lock_irq(&intfdata->susp_lock);
1089 		portdata->opened = 0;
1090 		spin_unlock_irq(&intfdata->susp_lock);
1091 
1092 		for (i = 0; i < N_IN_URB; i++)
1093 			usb_kill_urb(portdata->in_urbs[i]);
1094 		for (i = 0; i < N_OUT_URB; i++)
1095 			usb_kill_urb(portdata->out_urbs[i]);
1096 		usb_autopm_get_interface(serial->interface);
1097 		serial->interface->needs_remote_wakeup = 0;
1098 	}
1099 }
1100 
1101 /* Helper functions used by option_setup_urbs */
1102 static struct urb *option_setup_urb(struct usb_serial *serial, int endpoint,
1103 		int dir, void *ctx, char *buf, int len,
1104 		void (*callback)(struct urb *))
1105 {
1106 	struct urb *urb;
1107 
1108 	if (endpoint == -1)
1109 		return NULL;		/* endpoint not needed */
1110 
1111 	urb = usb_alloc_urb(0, GFP_KERNEL);		/* No ISO */
1112 	if (urb == NULL) {
1113 		dbg("%s: alloc for endpoint %d failed.", __func__, endpoint);
1114 		return NULL;
1115 	}
1116 
1117 		/* Fill URB using supplied data. */
1118 	usb_fill_bulk_urb(urb, serial->dev,
1119 		      usb_sndbulkpipe(serial->dev, endpoint) | dir,
1120 		      buf, len, callback, ctx);
1121 
1122 	return urb;
1123 }
1124 
1125 /* Setup urbs */
1126 static void option_setup_urbs(struct usb_serial *serial)
1127 {
1128 	int i, j;
1129 	struct usb_serial_port *port;
1130 	struct option_port_private *portdata;
1131 
1132 	dbg("%s", __func__);
1133 
1134 	for (i = 0; i < serial->num_ports; i++) {
1135 		port = serial->port[i];
1136 		portdata = usb_get_serial_port_data(port);
1137 
1138 		/* Do indat endpoints first */
1139 		for (j = 0; j < N_IN_URB; ++j) {
1140 			portdata->in_urbs[j] = option_setup_urb(serial,
1141 					port->bulk_in_endpointAddress,
1142 					USB_DIR_IN, port,
1143 					portdata->in_buffer[j],
1144 					IN_BUFLEN, option_indat_callback);
1145 		}
1146 
1147 		/* outdat endpoints */
1148 		for (j = 0; j < N_OUT_URB; ++j) {
1149 			portdata->out_urbs[j] = option_setup_urb(serial,
1150 					port->bulk_out_endpointAddress,
1151 					USB_DIR_OUT, port,
1152 					portdata->out_buffer[j],
1153 					OUT_BUFLEN, option_outdat_callback);
1154 		}
1155 	}
1156 }
1157 
1158 
1159 /** send RTS/DTR state to the port.
1160  *
1161  * This is exactly the same as SET_CONTROL_LINE_STATE from the PSTN
1162  * CDC.
1163 */
1164 static int option_send_setup(struct usb_serial_port *port)
1165 {
1166 	struct usb_serial *serial = port->serial;
1167 	struct option_port_private *portdata;
1168 	int ifNum = serial->interface->cur_altsetting->desc.bInterfaceNumber;
1169 	int val = 0;
1170 	dbg("%s", __func__);
1171 
1172 	portdata = usb_get_serial_port_data(port);
1173 
1174 	if (portdata->dtr_state)
1175 		val |= 0x01;
1176 	if (portdata->rts_state)
1177 		val |= 0x02;
1178 
1179 	return usb_control_msg(serial->dev,
1180 		usb_rcvctrlpipe(serial->dev, 0),
1181 		0x22, 0x21, val, ifNum, NULL, 0, USB_CTRL_SET_TIMEOUT);
1182 }
1183 
1184 static int option_startup(struct usb_serial *serial)
1185 {
1186 	int i, j, err;
1187 	struct usb_serial_port *port;
1188 	struct option_port_private *portdata;
1189 	u8 *buffer;
1190 
1191 	dbg("%s", __func__);
1192 
1193 	/* Now setup per port private data */
1194 	for (i = 0; i < serial->num_ports; i++) {
1195 		port = serial->port[i];
1196 		portdata = kzalloc(sizeof(*portdata), GFP_KERNEL);
1197 		if (!portdata) {
1198 			dbg("%s: kmalloc for option_port_private (%d) failed!.",
1199 					__func__, i);
1200 			return 1;
1201 		}
1202 		init_usb_anchor(&portdata->delayed);
1203 
1204 		for (j = 0; j < N_IN_URB; j++) {
1205 			buffer = (u8 *)__get_free_page(GFP_KERNEL);
1206 			if (!buffer)
1207 				goto bail_out_error;
1208 			portdata->in_buffer[j] = buffer;
1209 		}
1210 
1211 		for (j = 0; j < N_OUT_URB; j++) {
1212 			buffer = kmalloc(OUT_BUFLEN, GFP_KERNEL);
1213 			if (!buffer)
1214 				goto bail_out_error2;
1215 			portdata->out_buffer[j] = buffer;
1216 		}
1217 
1218 		usb_set_serial_port_data(port, portdata);
1219 
1220 		if (!port->interrupt_in_urb)
1221 			continue;
1222 		err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
1223 		if (err)
1224 			dbg("%s: submit irq_in urb failed %d",
1225 				__func__, err);
1226 	}
1227 	option_setup_urbs(serial);
1228 	return 0;
1229 
1230 bail_out_error2:
1231 	for (j = 0; j < N_OUT_URB; j++)
1232 		kfree(portdata->out_buffer[j]);
1233 bail_out_error:
1234 	for (j = 0; j < N_IN_URB; j++)
1235 		if (portdata->in_buffer[j])
1236 			free_page((unsigned long)portdata->in_buffer[j]);
1237 	kfree(portdata);
1238 	return 1;
1239 }
1240 
1241 static void stop_read_write_urbs(struct usb_serial *serial)
1242 {
1243 	int i, j;
1244 	struct usb_serial_port *port;
1245 	struct option_port_private *portdata;
1246 
1247 	/* Stop reading/writing urbs */
1248 	for (i = 0; i < serial->num_ports; ++i) {
1249 		port = serial->port[i];
1250 		portdata = usb_get_serial_port_data(port);
1251 		for (j = 0; j < N_IN_URB; j++)
1252 			usb_kill_urb(portdata->in_urbs[j]);
1253 		for (j = 0; j < N_OUT_URB; j++)
1254 			usb_kill_urb(portdata->out_urbs[j]);
1255 	}
1256 }
1257 
1258 static void option_disconnect(struct usb_serial *serial)
1259 {
1260 	dbg("%s", __func__);
1261 
1262 	stop_read_write_urbs(serial);
1263 }
1264 
1265 static void option_release(struct usb_serial *serial)
1266 {
1267 	int i, j;
1268 	struct usb_serial_port *port;
1269 	struct option_port_private *portdata;
1270 
1271 	dbg("%s", __func__);
1272 
1273 	/* Now free them */
1274 	for (i = 0; i < serial->num_ports; ++i) {
1275 		port = serial->port[i];
1276 		portdata = usb_get_serial_port_data(port);
1277 
1278 		for (j = 0; j < N_IN_URB; j++) {
1279 			if (portdata->in_urbs[j]) {
1280 				usb_free_urb(portdata->in_urbs[j]);
1281 				free_page((unsigned long)
1282 					portdata->in_buffer[j]);
1283 				portdata->in_urbs[j] = NULL;
1284 			}
1285 		}
1286 		for (j = 0; j < N_OUT_URB; j++) {
1287 			if (portdata->out_urbs[j]) {
1288 				usb_free_urb(portdata->out_urbs[j]);
1289 				kfree(portdata->out_buffer[j]);
1290 				portdata->out_urbs[j] = NULL;
1291 			}
1292 		}
1293 	}
1294 
1295 	/* Now free per port private data */
1296 	for (i = 0; i < serial->num_ports; i++) {
1297 		port = serial->port[i];
1298 		kfree(usb_get_serial_port_data(port));
1299 	}
1300 }
1301 
1302 #ifdef CONFIG_PM
1303 static int option_suspend(struct usb_serial *serial, pm_message_t message)
1304 {
1305 	struct option_intf_private *intfdata = serial->private;
1306 	int b;
1307 
1308 	dbg("%s entered", __func__);
1309 
1310 	if (serial->dev->auto_pm) {
1311 		spin_lock_irq(&intfdata->susp_lock);
1312 		b = intfdata->in_flight;
1313 		spin_unlock_irq(&intfdata->susp_lock);
1314 
1315 		if (b)
1316 			return -EBUSY;
1317 	}
1318 
1319 	spin_lock_irq(&intfdata->susp_lock);
1320 	intfdata->suspended = 1;
1321 	spin_unlock_irq(&intfdata->susp_lock);
1322 	stop_read_write_urbs(serial);
1323 
1324 	return 0;
1325 }
1326 
1327 static void play_delayed(struct usb_serial_port *port)
1328 {
1329 	struct option_intf_private *data;
1330 	struct option_port_private *portdata;
1331 	struct urb *urb;
1332 	int err;
1333 
1334 	portdata = usb_get_serial_port_data(port);
1335 	data = port->serial->private;
1336 	while ((urb = usb_get_from_anchor(&portdata->delayed))) {
1337 		err = usb_submit_urb(urb, GFP_ATOMIC);
1338 		if (!err)
1339 			data->in_flight++;
1340 	}
1341 }
1342 
1343 static int option_resume(struct usb_serial *serial)
1344 {
1345 	int i, j;
1346 	struct usb_serial_port *port;
1347 	struct option_intf_private *intfdata = serial->private;
1348 	struct option_port_private *portdata;
1349 	struct urb *urb;
1350 	int err = 0;
1351 
1352 	dbg("%s entered", __func__);
1353 	/* get the interrupt URBs resubmitted unconditionally */
1354 	for (i = 0; i < serial->num_ports; i++) {
1355 		port = serial->port[i];
1356 		if (!port->interrupt_in_urb) {
1357 			dbg("%s: No interrupt URB for port %d\n", __func__, i);
1358 			continue;
1359 		}
1360 		err = usb_submit_urb(port->interrupt_in_urb, GFP_NOIO);
1361 		dbg("Submitted interrupt URB for port %d (result %d)", i, err);
1362 		if (err < 0) {
1363 			err("%s: Error %d for interrupt URB of port%d",
1364 				 __func__, err, i);
1365 			goto err_out;
1366 		}
1367 	}
1368 
1369 	for (i = 0; i < serial->num_ports; i++) {
1370 		/* walk all ports */
1371 		port = serial->port[i];
1372 		portdata = usb_get_serial_port_data(port);
1373 
1374 		/* skip closed ports */
1375 		spin_lock_irq(&intfdata->susp_lock);
1376 		if (!portdata->opened) {
1377 			spin_unlock_irq(&intfdata->susp_lock);
1378 			continue;
1379 		}
1380 
1381 		for (j = 0; j < N_IN_URB; j++) {
1382 			urb = portdata->in_urbs[j];
1383 			err = usb_submit_urb(urb, GFP_ATOMIC);
1384 			if (err < 0) {
1385 				err("%s: Error %d for bulk URB %d",
1386 					 __func__, err, i);
1387 				spin_unlock_irq(&intfdata->susp_lock);
1388 				goto err_out;
1389 			}
1390 		}
1391 		play_delayed(port);
1392 		spin_unlock_irq(&intfdata->susp_lock);
1393 	}
1394 	spin_lock_irq(&intfdata->susp_lock);
1395 	intfdata->suspended = 0;
1396 	spin_unlock_irq(&intfdata->susp_lock);
1397 err_out:
1398 	return err;
1399 }
1400 #endif
1401 
1402 MODULE_AUTHOR(DRIVER_AUTHOR);
1403 MODULE_DESCRIPTION(DRIVER_DESC);
1404 MODULE_VERSION(DRIVER_VERSION);
1405 MODULE_LICENSE("GPL");
1406 
1407 module_param(debug, bool, S_IRUGO | S_IWUSR);
1408 MODULE_PARM_DESC(debug, "Debug messages");
1409