xref: /openbmc/linux/drivers/usb/serial/option.c (revision e8e0929d)
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 
169 #define QUANTA_VENDOR_ID			0x0408
170 #define QUANTA_PRODUCT_Q101			0xEA02
171 #define QUANTA_PRODUCT_Q111			0xEA03
172 #define QUANTA_PRODUCT_GLX			0xEA04
173 #define QUANTA_PRODUCT_GKE			0xEA05
174 #define QUANTA_PRODUCT_GLE			0xEA06
175 
176 #define NOVATELWIRELESS_VENDOR_ID		0x1410
177 
178 /* YISO PRODUCTS */
179 
180 #define YISO_VENDOR_ID				0x0EAB
181 #define YISO_PRODUCT_U893			0xC893
182 
183 /* MERLIN EVDO PRODUCTS */
184 #define NOVATELWIRELESS_PRODUCT_V640		0x1100
185 #define NOVATELWIRELESS_PRODUCT_V620		0x1110
186 #define NOVATELWIRELESS_PRODUCT_V740		0x1120
187 #define NOVATELWIRELESS_PRODUCT_V720		0x1130
188 
189 /* MERLIN HSDPA/HSPA PRODUCTS */
190 #define NOVATELWIRELESS_PRODUCT_U730		0x1400
191 #define NOVATELWIRELESS_PRODUCT_U740		0x1410
192 #define NOVATELWIRELESS_PRODUCT_U870		0x1420
193 #define NOVATELWIRELESS_PRODUCT_XU870		0x1430
194 #define NOVATELWIRELESS_PRODUCT_X950D		0x1450
195 
196 /* EXPEDITE PRODUCTS */
197 #define NOVATELWIRELESS_PRODUCT_EV620		0x2100
198 #define NOVATELWIRELESS_PRODUCT_ES720		0x2110
199 #define NOVATELWIRELESS_PRODUCT_E725		0x2120
200 #define NOVATELWIRELESS_PRODUCT_ES620		0x2130
201 #define NOVATELWIRELESS_PRODUCT_EU730		0x2400
202 #define NOVATELWIRELESS_PRODUCT_EU740		0x2410
203 #define NOVATELWIRELESS_PRODUCT_EU870D		0x2420
204 
205 /* OVATION PRODUCTS */
206 #define NOVATELWIRELESS_PRODUCT_MC727		0x4100
207 #define NOVATELWIRELESS_PRODUCT_MC950D		0x4400
208 #define NOVATELWIRELESS_PRODUCT_U727		0x5010
209 #define NOVATELWIRELESS_PRODUCT_MC727_NEW	0x5100
210 #define NOVATELWIRELESS_PRODUCT_MC760		0x6000
211 #define NOVATELWIRELESS_PRODUCT_OVMC760		0x6002
212 
213 /* FUTURE NOVATEL PRODUCTS */
214 #define NOVATELWIRELESS_PRODUCT_EVDO_HIGHSPEED	0X6001
215 #define NOVATELWIRELESS_PRODUCT_HSPA_FULLSPEED	0X7000
216 #define NOVATELWIRELESS_PRODUCT_HSPA_HIGHSPEED	0X7001
217 #define NOVATELWIRELESS_PRODUCT_EVDO_EMBEDDED_FULLSPEED	0X8000
218 #define NOVATELWIRELESS_PRODUCT_EVDO_EMBEDDED_HIGHSPEED	0X8001
219 #define NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_FULLSPEED	0X9000
220 #define NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_HIGHSPEED	0X9001
221 #define NOVATELWIRELESS_PRODUCT_GLOBAL		0XA001
222 
223 /* AMOI PRODUCTS */
224 #define AMOI_VENDOR_ID				0x1614
225 #define AMOI_PRODUCT_H01			0x0800
226 #define AMOI_PRODUCT_H01A			0x7002
227 #define AMOI_PRODUCT_H02			0x0802
228 
229 #define DELL_VENDOR_ID				0x413C
230 
231 /* Dell modems */
232 #define DELL_PRODUCT_5700_MINICARD		0x8114
233 #define DELL_PRODUCT_5500_MINICARD		0x8115
234 #define DELL_PRODUCT_5505_MINICARD		0x8116
235 #define DELL_PRODUCT_5700_EXPRESSCARD		0x8117
236 #define DELL_PRODUCT_5510_EXPRESSCARD		0x8118
237 
238 #define DELL_PRODUCT_5700_MINICARD_SPRINT	0x8128
239 #define DELL_PRODUCT_5700_MINICARD_TELUS	0x8129
240 
241 #define DELL_PRODUCT_5720_MINICARD_VZW		0x8133
242 #define DELL_PRODUCT_5720_MINICARD_SPRINT	0x8134
243 #define DELL_PRODUCT_5720_MINICARD_TELUS	0x8135
244 #define DELL_PRODUCT_5520_MINICARD_CINGULAR	0x8136
245 #define DELL_PRODUCT_5520_MINICARD_GENERIC_L	0x8137
246 #define DELL_PRODUCT_5520_MINICARD_GENERIC_I	0x8138
247 
248 #define DELL_PRODUCT_5730_MINICARD_SPRINT	0x8180
249 #define DELL_PRODUCT_5730_MINICARD_TELUS	0x8181
250 #define DELL_PRODUCT_5730_MINICARD_VZW		0x8182
251 
252 #define KYOCERA_VENDOR_ID			0x0c88
253 #define KYOCERA_PRODUCT_KPC650			0x17da
254 #define KYOCERA_PRODUCT_KPC680			0x180a
255 
256 #define ANYDATA_VENDOR_ID			0x16d5
257 #define ANYDATA_PRODUCT_ADU_620UW		0x6202
258 #define ANYDATA_PRODUCT_ADU_E100A		0x6501
259 #define ANYDATA_PRODUCT_ADU_500A		0x6502
260 
261 #define AXESSTEL_VENDOR_ID			0x1726
262 #define AXESSTEL_PRODUCT_MV110H			0x1000
263 
264 #define BANDRICH_VENDOR_ID			0x1A8D
265 #define BANDRICH_PRODUCT_C100_1			0x1002
266 #define BANDRICH_PRODUCT_C100_2			0x1003
267 #define BANDRICH_PRODUCT_1004			0x1004
268 #define BANDRICH_PRODUCT_1005			0x1005
269 #define BANDRICH_PRODUCT_1006			0x1006
270 #define BANDRICH_PRODUCT_1007			0x1007
271 #define BANDRICH_PRODUCT_1008			0x1008
272 #define BANDRICH_PRODUCT_1009			0x1009
273 #define BANDRICH_PRODUCT_100A			0x100a
274 
275 #define BANDRICH_PRODUCT_100B			0x100b
276 #define BANDRICH_PRODUCT_100C			0x100c
277 #define BANDRICH_PRODUCT_100D			0x100d
278 #define BANDRICH_PRODUCT_100E			0x100e
279 
280 #define BANDRICH_PRODUCT_100F			0x100f
281 #define BANDRICH_PRODUCT_1010			0x1010
282 #define BANDRICH_PRODUCT_1011			0x1011
283 #define BANDRICH_PRODUCT_1012			0x1012
284 
285 #define AMOI_VENDOR_ID			0x1614
286 #define AMOI_PRODUCT_9508			0x0800
287 
288 #define QUALCOMM_VENDOR_ID			0x05C6
289 
290 #define MAXON_VENDOR_ID				0x16d8
291 
292 #define TELIT_VENDOR_ID				0x1bc7
293 #define TELIT_PRODUCT_UC864E			0x1003
294 #define TELIT_PRODUCT_UC864G			0x1004
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 #define ZTE_PRODUCT_AC2726			0xfff5
304 
305 #define BENQ_VENDOR_ID				0x04a5
306 #define BENQ_PRODUCT_H10			0x4068
307 
308 #define DLINK_VENDOR_ID				0x1186
309 #define DLINK_PRODUCT_DWM_652			0x3e04
310 
311 #define QISDA_VENDOR_ID				0x1da5
312 #define QISDA_PRODUCT_H21_4512			0x4512
313 #define QISDA_PRODUCT_H21_4523			0x4523
314 #define QISDA_PRODUCT_H20_4515			0x4515
315 #define QISDA_PRODUCT_H20_4519			0x4519
316 
317 
318 /* TOSHIBA PRODUCTS */
319 #define TOSHIBA_VENDOR_ID			0x0930
320 #define TOSHIBA_PRODUCT_HSDPA_MINICARD		0x1302
321 
322 #define ALINK_VENDOR_ID				0x1e0e
323 #define ALINK_PRODUCT_3GU			0x9200
324 
325 /* ALCATEL PRODUCTS */
326 #define ALCATEL_VENDOR_ID			0x1bbb
327 #define ALCATEL_PRODUCT_X060S			0x0000
328 
329 
330 static struct usb_device_id option_ids[] = {
331 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
332 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
333 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_LIGHT) },
334 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD) },
335 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD_LIGHT) },
336 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS) },
337 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_LIGHT) },
338 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD) },
339 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD_LIGHT) },
340 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA) },
341 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA_BUS) },
342 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER) },
343 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER_BUS) },
344 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GT_MAX_READY) },
345 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_LIGHT) },
346 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_GT) },
347 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_EX) },
348 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_KOI_MODEM) },
349 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_MODEM) },
350 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM) },
351 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_LITE) },
352 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_GT) },
353 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_EX) },
354 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_MODEM) },
355 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GTM380_MODEM) },
356 	{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_Q101) },
357 	{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_Q111) },
358 	{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GLX) },
359 	{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GKE) },
360 	{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GLE) },
361 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E600, 0xff, 0xff, 0xff) },
362 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220, 0xff, 0xff, 0xff) },
363 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220BIS, 0xff, 0xff, 0xff) },
364 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1401, 0xff, 0xff, 0xff) },
365 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1402, 0xff, 0xff, 0xff) },
366 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1403, 0xff, 0xff, 0xff) },
367 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1404, 0xff, 0xff, 0xff) },
368 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1405, 0xff, 0xff, 0xff) },
369 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1406, 0xff, 0xff, 0xff) },
370 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1407, 0xff, 0xff, 0xff) },
371 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1408, 0xff, 0xff, 0xff) },
372 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1409, 0xff, 0xff, 0xff) },
373 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140A, 0xff, 0xff, 0xff) },
374 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140B, 0xff, 0xff, 0xff) },
375 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140C, 0xff, 0xff, 0xff) },
376 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140D, 0xff, 0xff, 0xff) },
377 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140E, 0xff, 0xff, 0xff) },
378 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140F, 0xff, 0xff, 0xff) },
379 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1410, 0xff, 0xff, 0xff) },
380 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1411, 0xff, 0xff, 0xff) },
381 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1412, 0xff, 0xff, 0xff) },
382 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1413, 0xff, 0xff, 0xff) },
383 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1414, 0xff, 0xff, 0xff) },
384 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1415, 0xff, 0xff, 0xff) },
385 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1416, 0xff, 0xff, 0xff) },
386 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1417, 0xff, 0xff, 0xff) },
387 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1418, 0xff, 0xff, 0xff) },
388 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1419, 0xff, 0xff, 0xff) },
389 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141A, 0xff, 0xff, 0xff) },
390 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141B, 0xff, 0xff, 0xff) },
391 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141C, 0xff, 0xff, 0xff) },
392 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141D, 0xff, 0xff, 0xff) },
393 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141E, 0xff, 0xff, 0xff) },
394 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141F, 0xff, 0xff, 0xff) },
395 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1420, 0xff, 0xff, 0xff) },
396 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1421, 0xff, 0xff, 0xff) },
397 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1422, 0xff, 0xff, 0xff) },
398 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1423, 0xff, 0xff, 0xff) },
399 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1424, 0xff, 0xff, 0xff) },
400 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1425, 0xff, 0xff, 0xff) },
401 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1426, 0xff, 0xff, 0xff) },
402 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1427, 0xff, 0xff, 0xff) },
403 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1428, 0xff, 0xff, 0xff) },
404 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1429, 0xff, 0xff, 0xff) },
405 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142A, 0xff, 0xff, 0xff) },
406 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142B, 0xff, 0xff, 0xff) },
407 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142C, 0xff, 0xff, 0xff) },
408 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142D, 0xff, 0xff, 0xff) },
409 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142E, 0xff, 0xff, 0xff) },
410 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142F, 0xff, 0xff, 0xff) },
411 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1430, 0xff, 0xff, 0xff) },
412 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1431, 0xff, 0xff, 0xff) },
413 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1432, 0xff, 0xff, 0xff) },
414 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1433, 0xff, 0xff, 0xff) },
415 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1434, 0xff, 0xff, 0xff) },
416 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1435, 0xff, 0xff, 0xff) },
417 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1436, 0xff, 0xff, 0xff) },
418 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1437, 0xff, 0xff, 0xff) },
419 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1438, 0xff, 0xff, 0xff) },
420 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1439, 0xff, 0xff, 0xff) },
421 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143A, 0xff, 0xff, 0xff) },
422 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143B, 0xff, 0xff, 0xff) },
423 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143C, 0xff, 0xff, 0xff) },
424 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143D, 0xff, 0xff, 0xff) },
425 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143E, 0xff, 0xff, 0xff) },
426 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143F, 0xff, 0xff, 0xff) },
427 	{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_9508) },
428 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) }, /* Novatel Merlin V640/XV620 */
429 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) }, /* Novatel Merlin V620/S620 */
430 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V740) }, /* Novatel Merlin EX720/V740/X720 */
431 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V720) }, /* Novatel Merlin V720/S720/PC720 */
432 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U730) }, /* Novatel U730/U740 (VF version) */
433 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U740) }, /* Novatel U740 */
434 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U870) }, /* Novatel U870 */
435 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_XU870) }, /* Novatel Merlin XU870 HSDPA/3G */
436 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_X950D) }, /* Novatel X950D */
437 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EV620) }, /* Novatel EV620/ES620 CDMA/EV-DO */
438 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_ES720) }, /* Novatel ES620/ES720/U720/USB720 */
439 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E725) }, /* Novatel E725/E726 */
440 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_ES620) }, /* Novatel Merlin ES620 SM Bus */
441 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU730) }, /* Novatel EU730 and Vodafone EU740 */
442 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU740) }, /* Novatel non-Vodafone EU740 */
443 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU870D) }, /* Novatel EU850D/EU860D/EU870D */
444 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC950D) }, /* Novatel MC930D/MC950D */
445 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC727) }, /* Novatel MC727/U727/USB727 */
446 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC727_NEW) }, /* Novatel MC727/U727/USB727 refresh */
447 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U727) }, /* Novatel MC727/U727/USB727 */
448 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC760) }, /* Novatel MC760/U760/USB760 */
449 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_OVMC760) }, /* Novatel Ovation MC760 */
450 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_FULLSPEED) }, /* Novatel HSPA product */
451 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_EMBEDDED_FULLSPEED) }, /* Novatel EVDO Embedded product */
452 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_FULLSPEED) }, /* Novatel HSPA Embedded product */
453 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_HIGHSPEED) }, /* Novatel EVDO product */
454 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_HIGHSPEED) }, /* Novatel HSPA product */
455 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_EMBEDDED_HIGHSPEED) }, /* Novatel EVDO Embedded product */
456 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_HIGHSPEED) }, /* Novatel HSPA Embedded product */
457 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_GLOBAL) }, /* Novatel Global product */
458 
459 	{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01) },
460 	{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01A) },
461 	{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H02) },
462 
463 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5700_MINICARD) },		/* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite EV620 CDMA/EV-DO */
464 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5500_MINICARD) },		/* Dell Wireless 5500 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */
465 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5505_MINICARD) },		/* Dell Wireless 5505 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */
466 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5700_EXPRESSCARD) },		/* Dell Wireless 5700 Mobile Broadband CDMA/EVDO ExpressCard == Novatel Merlin XV620 CDMA/EV-DO */
467 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5510_EXPRESSCARD) },		/* Dell Wireless 5510 Mobile Broadband HSDPA ExpressCard == Novatel Merlin XU870 HSDPA/3G */
468 	{ 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 */
469 	{ 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 */
470 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5720_MINICARD_VZW) }, 	/* Dell Wireless 5720 == Novatel EV620 CDMA/EV-DO */
471 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5720_MINICARD_SPRINT) }, 	/* Dell Wireless 5720 == Novatel EV620 CDMA/EV-DO */
472 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5720_MINICARD_TELUS) }, 	/* Dell Wireless 5720 == Novatel EV620 CDMA/EV-DO */
473 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5520_MINICARD_CINGULAR) },	/* Dell Wireless HSDPA 5520 == Novatel Expedite EU860D */
474 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5520_MINICARD_GENERIC_L) },	/* Dell Wireless HSDPA 5520 */
475 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5520_MINICARD_GENERIC_I) },	/* Dell Wireless 5520 Voda I Mobile Broadband (3G HSDPA) Minicard */
476 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_SPRINT) },	/* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
477 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_TELUS) },	/* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
478 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_VZW) }, 	/* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
479 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) },	/* ADU-E100, ADU-310 */
480 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) },
481 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_620UW) },
482 	{ USB_DEVICE(AXESSTEL_VENDOR_ID, AXESSTEL_PRODUCT_MV110H) },
483 	{ USB_DEVICE(YISO_VENDOR_ID, YISO_PRODUCT_U893) },
484 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_1) },
485 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_2) },
486 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1004) },
487 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1005) },
488 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1006) },
489 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1007) },
490 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1008) },
491 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1009) },
492 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100A) },
493 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100B) },
494 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100C) },
495 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100D) },
496 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100E) },
497 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100F) },
498 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1010) },
499 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1011) },
500 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1012) },
501 	{ USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC650) },
502 	{ USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) },
503 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6000)}, /* ZTE AC8700 */
504 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
505 	{ USB_DEVICE(MAXON_VENDOR_ID, 0x6280) }, /* BP3-USB & BP3-EXT HSDPA */
506 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },
507 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864G) },
508 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */
509 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0002, 0xff, 0xff, 0xff) },
510 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0003, 0xff, 0xff, 0xff) },
511 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0004, 0xff, 0xff, 0xff) },
512 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0005, 0xff, 0xff, 0xff) },
513 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0006, 0xff, 0xff, 0xff) },
514 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0007, 0xff, 0xff, 0xff) },
515 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0008, 0xff, 0xff, 0xff) },
516 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0009, 0xff, 0xff, 0xff) },
517 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000a, 0xff, 0xff, 0xff) },
518 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000b, 0xff, 0xff, 0xff) },
519 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000c, 0xff, 0xff, 0xff) },
520 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000d, 0xff, 0xff, 0xff) },
521 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000e, 0xff, 0xff, 0xff) },
522 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000f, 0xff, 0xff, 0xff) },
523 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0010, 0xff, 0xff, 0xff) },
524 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0011, 0xff, 0xff, 0xff) },
525 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0012, 0xff, 0xff, 0xff) },
526 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0013, 0xff, 0xff, 0xff) },
527 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF628, 0xff, 0xff, 0xff) },
528 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0016, 0xff, 0xff, 0xff) },
529 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0017, 0xff, 0xff, 0xff) },
530 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0018, 0xff, 0xff, 0xff) },
531 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0019, 0xff, 0xff, 0xff) },
532 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0020, 0xff, 0xff, 0xff) },
533 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0021, 0xff, 0xff, 0xff) },
534 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0022, 0xff, 0xff, 0xff) },
535 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0023, 0xff, 0xff, 0xff) },
536 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0024, 0xff, 0xff, 0xff) },
537 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0025, 0xff, 0xff, 0xff) },
538 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0026, 0xff, 0xff, 0xff) },
539 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0028, 0xff, 0xff, 0xff) },
540 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0029, 0xff, 0xff, 0xff) },
541 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0030, 0xff, 0xff, 0xff) },
542 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF626, 0xff, 0xff, 0xff) },
543 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0032, 0xff, 0xff, 0xff) },
544 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0033, 0xff, 0xff, 0xff) },
545 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0037, 0xff, 0xff, 0xff) },
546 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0039, 0xff, 0xff, 0xff) },
547 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0042, 0xff, 0xff, 0xff) },
548 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0043, 0xff, 0xff, 0xff) },
549 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0048, 0xff, 0xff, 0xff) },
550 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0049, 0xff, 0xff, 0xff) },
551 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0051, 0xff, 0xff, 0xff) },
552 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0052, 0xff, 0xff, 0xff) },
553 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0054, 0xff, 0xff, 0xff) },
554 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0055, 0xff, 0xff, 0xff) },
555 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0057, 0xff, 0xff, 0xff) },
556 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0058, 0xff, 0xff, 0xff) },
557 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0061, 0xff, 0xff, 0xff) },
558 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0062, 0xff, 0xff, 0xff) },
559 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0063, 0xff, 0xff, 0xff) },
560 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0064, 0xff, 0xff, 0xff) },
561 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0066, 0xff, 0xff, 0xff) },
562 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0069, 0xff, 0xff, 0xff) },
563 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0076, 0xff, 0xff, 0xff) },
564 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0078, 0xff, 0xff, 0xff) },
565 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0082, 0xff, 0xff, 0xff) },
566 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0086, 0xff, 0xff, 0xff) },
567 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x2002, 0xff, 0xff, 0xff) },
568 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x2003, 0xff, 0xff, 0xff) },
569 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0014, 0xff, 0xff, 0xff) }, /* ZTE CDMA products */
570 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0027, 0xff, 0xff, 0xff) },
571 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0059, 0xff, 0xff, 0xff) },
572 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0060, 0xff, 0xff, 0xff) },
573 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0070, 0xff, 0xff, 0xff) },
574 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0073, 0xff, 0xff, 0xff) },
575 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_CDMA_TECH, 0xff, 0xff, 0xff) },
576 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC8710, 0xff, 0xff, 0xff) },
577 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC2726, 0xff, 0xff, 0xff) },
578 	{ USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) },
579 	{ USB_DEVICE(DLINK_VENDOR_ID, DLINK_PRODUCT_DWM_652) },
580 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4512) },
581 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4523) },
582 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H20_4515) },
583 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H20_4519) },
584 	{ USB_DEVICE(TOSHIBA_VENDOR_ID, TOSHIBA_PRODUCT_HSDPA_MINICARD ) }, /* Toshiba 3G HSDPA == Novatel Expedite EU870D MiniCard */
585 	{ USB_DEVICE(ALINK_VENDOR_ID, 0x9000) },
586 	{ USB_DEVICE_AND_INTERFACE_INFO(ALINK_VENDOR_ID, ALINK_PRODUCT_3GU, 0xff, 0xff, 0xff) },
587 	{ USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S) },
588 	{ } /* Terminating entry */
589 };
590 MODULE_DEVICE_TABLE(usb, option_ids);
591 
592 static struct usb_driver option_driver = {
593 	.name       = "option",
594 	.probe      = usb_serial_probe,
595 	.disconnect = usb_serial_disconnect,
596 #ifdef CONFIG_PM
597 	.suspend    = usb_serial_suspend,
598 	.resume     = usb_serial_resume,
599 	.supports_autosuspend =	1,
600 #endif
601 	.id_table   = option_ids,
602 	.no_dynamic_id = 	1,
603 };
604 
605 /* The card has three separate interfaces, which the serial driver
606  * recognizes separately, thus num_port=1.
607  */
608 
609 static struct usb_serial_driver option_1port_device = {
610 	.driver = {
611 		.owner =	THIS_MODULE,
612 		.name =		"option1",
613 	},
614 	.description       = "GSM modem (1-port)",
615 	.usb_driver        = &option_driver,
616 	.id_table          = option_ids,
617 	.num_ports         = 1,
618 	.probe             = option_probe,
619 	.open              = option_open,
620 	.close             = option_close,
621 	.dtr_rts	   = option_dtr_rts,
622 	.write             = option_write,
623 	.write_room        = option_write_room,
624 	.chars_in_buffer   = option_chars_in_buffer,
625 	.set_termios       = option_set_termios,
626 	.tiocmget          = option_tiocmget,
627 	.tiocmset          = option_tiocmset,
628 	.attach            = option_startup,
629 	.disconnect        = option_disconnect,
630 	.release           = option_release,
631 	.read_int_callback = option_instat_callback,
632 #ifdef CONFIG_PM
633 	.suspend           = option_suspend,
634 	.resume            = option_resume,
635 #endif
636 };
637 
638 static int debug;
639 
640 /* per port private data */
641 
642 #define N_IN_URB 4
643 #define N_OUT_URB 4
644 #define IN_BUFLEN 4096
645 #define OUT_BUFLEN 4096
646 
647 struct option_intf_private {
648 	spinlock_t susp_lock;
649 	unsigned int suspended:1;
650 	int in_flight;
651 };
652 
653 struct option_port_private {
654 	/* Input endpoints and buffer for this port */
655 	struct urb *in_urbs[N_IN_URB];
656 	u8 *in_buffer[N_IN_URB];
657 	/* Output endpoints and buffer for this port */
658 	struct urb *out_urbs[N_OUT_URB];
659 	u8 *out_buffer[N_OUT_URB];
660 	unsigned long out_busy;		/* Bit vector of URBs in use */
661 	int opened;
662 	struct usb_anchor delayed;
663 
664 	/* Settings for the port */
665 	int rts_state;	/* Handshaking pins (outputs) */
666 	int dtr_state;
667 	int cts_state;	/* Handshaking pins (inputs) */
668 	int dsr_state;
669 	int dcd_state;
670 	int ri_state;
671 
672 	unsigned long tx_start_time[N_OUT_URB];
673 };
674 
675 /* Functions used by new usb-serial code. */
676 static int __init option_init(void)
677 {
678 	int retval;
679 	retval = usb_serial_register(&option_1port_device);
680 	if (retval)
681 		goto failed_1port_device_register;
682 	retval = usb_register(&option_driver);
683 	if (retval)
684 		goto failed_driver_register;
685 
686 	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
687 	       DRIVER_DESC "\n");
688 
689 	return 0;
690 
691 failed_driver_register:
692 	usb_serial_deregister(&option_1port_device);
693 failed_1port_device_register:
694 	return retval;
695 }
696 
697 static void __exit option_exit(void)
698 {
699 	usb_deregister(&option_driver);
700 	usb_serial_deregister(&option_1port_device);
701 }
702 
703 module_init(option_init);
704 module_exit(option_exit);
705 
706 static int option_probe(struct usb_serial *serial,
707 			const struct usb_device_id *id)
708 {
709 	struct option_intf_private *data;
710 	/* D-Link DWM 652 still exposes CD-Rom emulation interface in modem mode */
711 	if (serial->dev->descriptor.idVendor == DLINK_VENDOR_ID &&
712 		serial->dev->descriptor.idProduct == DLINK_PRODUCT_DWM_652 &&
713 		serial->interface->cur_altsetting->desc.bInterfaceClass == 0x8)
714 		return -ENODEV;
715 
716 	data = serial->private = kzalloc(sizeof(struct option_intf_private), GFP_KERNEL);
717 	if (!data)
718 		return -ENOMEM;
719 	spin_lock_init(&data->susp_lock);
720 	return 0;
721 }
722 
723 static void option_set_termios(struct tty_struct *tty,
724 		struct usb_serial_port *port, struct ktermios *old_termios)
725 {
726 	dbg("%s", __func__);
727 	/* Doesn't support option setting */
728 	tty_termios_copy_hw(tty->termios, old_termios);
729 	option_send_setup(port);
730 }
731 
732 static int option_tiocmget(struct tty_struct *tty, struct file *file)
733 {
734 	struct usb_serial_port *port = tty->driver_data;
735 	unsigned int value;
736 	struct option_port_private *portdata;
737 
738 	portdata = usb_get_serial_port_data(port);
739 
740 	value = ((portdata->rts_state) ? TIOCM_RTS : 0) |
741 		((portdata->dtr_state) ? TIOCM_DTR : 0) |
742 		((portdata->cts_state) ? TIOCM_CTS : 0) |
743 		((portdata->dsr_state) ? TIOCM_DSR : 0) |
744 		((portdata->dcd_state) ? TIOCM_CAR : 0) |
745 		((portdata->ri_state) ? TIOCM_RNG : 0);
746 
747 	return value;
748 }
749 
750 static int option_tiocmset(struct tty_struct *tty, struct file *file,
751 			unsigned int set, unsigned int clear)
752 {
753 	struct usb_serial_port *port = tty->driver_data;
754 	struct option_port_private *portdata;
755 
756 	portdata = usb_get_serial_port_data(port);
757 
758 	/* FIXME: what locks portdata fields ? */
759 	if (set & TIOCM_RTS)
760 		portdata->rts_state = 1;
761 	if (set & TIOCM_DTR)
762 		portdata->dtr_state = 1;
763 
764 	if (clear & TIOCM_RTS)
765 		portdata->rts_state = 0;
766 	if (clear & TIOCM_DTR)
767 		portdata->dtr_state = 0;
768 	return option_send_setup(port);
769 }
770 
771 /* Write */
772 static int option_write(struct tty_struct *tty, struct usb_serial_port *port,
773 			const unsigned char *buf, int count)
774 {
775 	struct option_port_private *portdata;
776 	struct option_intf_private *intfdata;
777 	int i;
778 	int left, todo;
779 	struct urb *this_urb = NULL; /* spurious */
780 	int err;
781 	unsigned long flags;
782 
783 	portdata = usb_get_serial_port_data(port);
784 	intfdata = port->serial->private;
785 
786 	dbg("%s: write (%d chars)", __func__, count);
787 
788 	i = 0;
789 	left = count;
790 	for (i = 0; left > 0 && i < N_OUT_URB; i++) {
791 		todo = left;
792 		if (todo > OUT_BUFLEN)
793 			todo = OUT_BUFLEN;
794 
795 		this_urb = portdata->out_urbs[i];
796 		if (test_and_set_bit(i, &portdata->out_busy)) {
797 			if (time_before(jiffies,
798 					portdata->tx_start_time[i] + 10 * HZ))
799 				continue;
800 			usb_unlink_urb(this_urb);
801 			continue;
802 		}
803 		dbg("%s: endpoint %d buf %d", __func__,
804 			usb_pipeendpoint(this_urb->pipe), i);
805 
806 		err = usb_autopm_get_interface_async(port->serial->interface);
807 		if (err < 0)
808 			break;
809 
810 		/* send the data */
811 		memcpy(this_urb->transfer_buffer, buf, todo);
812 		this_urb->transfer_buffer_length = todo;
813 
814 		spin_lock_irqsave(&intfdata->susp_lock, flags);
815 		if (intfdata->suspended) {
816 			usb_anchor_urb(this_urb, &portdata->delayed);
817 			spin_unlock_irqrestore(&intfdata->susp_lock, flags);
818 		} else {
819 			intfdata->in_flight++;
820 			spin_unlock_irqrestore(&intfdata->susp_lock, flags);
821 			err = usb_submit_urb(this_urb, GFP_ATOMIC);
822 			if (err) {
823 				dbg("usb_submit_urb %p (write bulk) failed "
824 					"(%d)", this_urb, err);
825 				clear_bit(i, &portdata->out_busy);
826 				spin_lock_irqsave(&intfdata->susp_lock, flags);
827 				intfdata->in_flight--;
828 				spin_unlock_irqrestore(&intfdata->susp_lock, flags);
829 				continue;
830 			}
831 		}
832 
833 		portdata->tx_start_time[i] = jiffies;
834 		buf += todo;
835 		left -= todo;
836 	}
837 
838 	count -= left;
839 	dbg("%s: wrote (did %d)", __func__, count);
840 	return count;
841 }
842 
843 static void option_indat_callback(struct urb *urb)
844 {
845 	int err;
846 	int endpoint;
847 	struct usb_serial_port *port;
848 	struct tty_struct *tty;
849 	unsigned char *data = urb->transfer_buffer;
850 	int status = urb->status;
851 
852 	dbg("%s: %p", __func__, urb);
853 
854 	endpoint = usb_pipeendpoint(urb->pipe);
855 	port =  urb->context;
856 
857 	if (status) {
858 		dbg("%s: nonzero status: %d on endpoint %02x.",
859 		    __func__, status, endpoint);
860 	} else {
861 		tty = tty_port_tty_get(&port->port);
862 		if (urb->actual_length) {
863 			tty_buffer_request_room(tty, urb->actual_length);
864 			tty_insert_flip_string(tty, data, urb->actual_length);
865 			tty_flip_buffer_push(tty);
866 		} else
867 			dbg("%s: empty read urb received", __func__);
868 		tty_kref_put(tty);
869 
870 		/* Resubmit urb so we continue receiving */
871 		if (port->port.count && status != -ESHUTDOWN) {
872 			err = usb_submit_urb(urb, GFP_ATOMIC);
873 			if (err)
874 				printk(KERN_ERR "%s: resubmit read urb failed. "
875 					"(%d)", __func__, err);
876 			else
877 				usb_mark_last_busy(port->serial->dev);
878 		}
879 
880 	}
881 	return;
882 }
883 
884 static void option_outdat_callback(struct urb *urb)
885 {
886 	struct usb_serial_port *port;
887 	struct option_port_private *portdata;
888 	struct option_intf_private *intfdata;
889 	int i;
890 
891 	dbg("%s", __func__);
892 
893 	port =  urb->context;
894 	intfdata = port->serial->private;
895 
896 	usb_serial_port_softint(port);
897 	usb_autopm_put_interface_async(port->serial->interface);
898 	portdata = usb_get_serial_port_data(port);
899 	spin_lock(&intfdata->susp_lock);
900 	intfdata->in_flight--;
901 	spin_unlock(&intfdata->susp_lock);
902 
903 	for (i = 0; i < N_OUT_URB; ++i) {
904 		if (portdata->out_urbs[i] == urb) {
905 			smp_mb__before_clear_bit();
906 			clear_bit(i, &portdata->out_busy);
907 			break;
908 		}
909 	}
910 }
911 
912 static void option_instat_callback(struct urb *urb)
913 {
914 	int err;
915 	int status = urb->status;
916 	struct usb_serial_port *port =  urb->context;
917 	struct option_port_private *portdata = usb_get_serial_port_data(port);
918 
919 	dbg("%s", __func__);
920 	dbg("%s: urb %p port %p has data %p", __func__, urb, port, portdata);
921 
922 	if (status == 0) {
923 		struct usb_ctrlrequest *req_pkt =
924 				(struct usb_ctrlrequest *)urb->transfer_buffer;
925 
926 		if (!req_pkt) {
927 			dbg("%s: NULL req_pkt\n", __func__);
928 			return;
929 		}
930 		if ((req_pkt->bRequestType == 0xA1) &&
931 				(req_pkt->bRequest == 0x20)) {
932 			int old_dcd_state;
933 			unsigned char signals = *((unsigned char *)
934 					urb->transfer_buffer +
935 					sizeof(struct usb_ctrlrequest));
936 
937 			dbg("%s: signal x%x", __func__, signals);
938 
939 			old_dcd_state = portdata->dcd_state;
940 			portdata->cts_state = 1;
941 			portdata->dcd_state = ((signals & 0x01) ? 1 : 0);
942 			portdata->dsr_state = ((signals & 0x02) ? 1 : 0);
943 			portdata->ri_state = ((signals & 0x08) ? 1 : 0);
944 
945 			if (old_dcd_state && !portdata->dcd_state) {
946 				struct tty_struct *tty =
947 						tty_port_tty_get(&port->port);
948 				if (tty && !C_CLOCAL(tty))
949 					tty_hangup(tty);
950 				tty_kref_put(tty);
951 			}
952 		} else {
953 			dbg("%s: type %x req %x", __func__,
954 				req_pkt->bRequestType, req_pkt->bRequest);
955 		}
956 	} else
957 		err("%s: error %d", __func__, status);
958 
959 	/* Resubmit urb so we continue receiving IRQ data */
960 	if (status != -ESHUTDOWN && status != -ENOENT) {
961 		err = usb_submit_urb(urb, GFP_ATOMIC);
962 		if (err)
963 			dbg("%s: resubmit intr urb failed. (%d)",
964 				__func__, err);
965 	}
966 }
967 
968 static int option_write_room(struct tty_struct *tty)
969 {
970 	struct usb_serial_port *port = tty->driver_data;
971 	struct option_port_private *portdata;
972 	int i;
973 	int data_len = 0;
974 	struct urb *this_urb;
975 
976 	portdata = usb_get_serial_port_data(port);
977 
978 	for (i = 0; i < N_OUT_URB; i++) {
979 		this_urb = portdata->out_urbs[i];
980 		if (this_urb && !test_bit(i, &portdata->out_busy))
981 			data_len += OUT_BUFLEN;
982 	}
983 
984 	dbg("%s: %d", __func__, data_len);
985 	return data_len;
986 }
987 
988 static int option_chars_in_buffer(struct tty_struct *tty)
989 {
990 	struct usb_serial_port *port = tty->driver_data;
991 	struct option_port_private *portdata;
992 	int i;
993 	int data_len = 0;
994 	struct urb *this_urb;
995 
996 	portdata = usb_get_serial_port_data(port);
997 
998 	for (i = 0; i < N_OUT_URB; i++) {
999 		this_urb = portdata->out_urbs[i];
1000 		/* FIXME: This locking is insufficient as this_urb may
1001 		   go unused during the test */
1002 		if (this_urb && test_bit(i, &portdata->out_busy))
1003 			data_len += this_urb->transfer_buffer_length;
1004 	}
1005 	dbg("%s: %d", __func__, data_len);
1006 	return data_len;
1007 }
1008 
1009 static int option_open(struct tty_struct *tty, struct usb_serial_port *port)
1010 {
1011 	struct option_port_private *portdata;
1012 	struct option_intf_private *intfdata;
1013 	struct usb_serial *serial = port->serial;
1014 	int i, err;
1015 	struct urb *urb;
1016 
1017 	portdata = usb_get_serial_port_data(port);
1018 	intfdata = serial->private;
1019 
1020 	dbg("%s", __func__);
1021 
1022 	/* Start reading from the IN endpoint */
1023 	for (i = 0; i < N_IN_URB; i++) {
1024 		urb = portdata->in_urbs[i];
1025 		if (!urb)
1026 			continue;
1027 		err = usb_submit_urb(urb, GFP_KERNEL);
1028 		if (err) {
1029 			dbg("%s: submit urb %d failed (%d) %d",
1030 				__func__, i, err,
1031 				urb->transfer_buffer_length);
1032 		}
1033 	}
1034 
1035 	option_send_setup(port);
1036 
1037 	serial->interface->needs_remote_wakeup = 1;
1038 	spin_lock_irq(&intfdata->susp_lock);
1039 	portdata->opened = 1;
1040 	spin_unlock_irq(&intfdata->susp_lock);
1041 	usb_autopm_put_interface(serial->interface);
1042 
1043 	return 0;
1044 }
1045 
1046 static void option_dtr_rts(struct usb_serial_port *port, int on)
1047 {
1048 	struct usb_serial *serial = port->serial;
1049 	struct option_port_private *portdata;
1050 
1051 	dbg("%s", __func__);
1052 	portdata = usb_get_serial_port_data(port);
1053 	mutex_lock(&serial->disc_mutex);
1054 	portdata->rts_state = on;
1055 	portdata->dtr_state = on;
1056 	if (serial->dev)
1057 		option_send_setup(port);
1058 	mutex_unlock(&serial->disc_mutex);
1059 }
1060 
1061 
1062 static void option_close(struct usb_serial_port *port)
1063 {
1064 	int i;
1065 	struct usb_serial *serial = port->serial;
1066 	struct option_port_private *portdata;
1067 	struct option_intf_private *intfdata = port->serial->private;
1068 
1069 	dbg("%s", __func__);
1070 	portdata = usb_get_serial_port_data(port);
1071 
1072 	if (serial->dev) {
1073 		/* Stop reading/writing urbs */
1074 		spin_lock_irq(&intfdata->susp_lock);
1075 		portdata->opened = 0;
1076 		spin_unlock_irq(&intfdata->susp_lock);
1077 
1078 		for (i = 0; i < N_IN_URB; i++)
1079 			usb_kill_urb(portdata->in_urbs[i]);
1080 		for (i = 0; i < N_OUT_URB; i++)
1081 			usb_kill_urb(portdata->out_urbs[i]);
1082 		usb_autopm_get_interface(serial->interface);
1083 		serial->interface->needs_remote_wakeup = 0;
1084 	}
1085 }
1086 
1087 /* Helper functions used by option_setup_urbs */
1088 static struct urb *option_setup_urb(struct usb_serial *serial, int endpoint,
1089 		int dir, void *ctx, char *buf, int len,
1090 		void (*callback)(struct urb *))
1091 {
1092 	struct urb *urb;
1093 
1094 	if (endpoint == -1)
1095 		return NULL;		/* endpoint not needed */
1096 
1097 	urb = usb_alloc_urb(0, GFP_KERNEL);		/* No ISO */
1098 	if (urb == NULL) {
1099 		dbg("%s: alloc for endpoint %d failed.", __func__, endpoint);
1100 		return NULL;
1101 	}
1102 
1103 		/* Fill URB using supplied data. */
1104 	usb_fill_bulk_urb(urb, serial->dev,
1105 		      usb_sndbulkpipe(serial->dev, endpoint) | dir,
1106 		      buf, len, callback, ctx);
1107 
1108 	return urb;
1109 }
1110 
1111 /* Setup urbs */
1112 static void option_setup_urbs(struct usb_serial *serial)
1113 {
1114 	int i, j;
1115 	struct usb_serial_port *port;
1116 	struct option_port_private *portdata;
1117 
1118 	dbg("%s", __func__);
1119 
1120 	for (i = 0; i < serial->num_ports; i++) {
1121 		port = serial->port[i];
1122 		portdata = usb_get_serial_port_data(port);
1123 
1124 		/* Do indat endpoints first */
1125 		for (j = 0; j < N_IN_URB; ++j) {
1126 			portdata->in_urbs[j] = option_setup_urb(serial,
1127 					port->bulk_in_endpointAddress,
1128 					USB_DIR_IN, port,
1129 					portdata->in_buffer[j],
1130 					IN_BUFLEN, option_indat_callback);
1131 		}
1132 
1133 		/* outdat endpoints */
1134 		for (j = 0; j < N_OUT_URB; ++j) {
1135 			portdata->out_urbs[j] = option_setup_urb(serial,
1136 					port->bulk_out_endpointAddress,
1137 					USB_DIR_OUT, port,
1138 					portdata->out_buffer[j],
1139 					OUT_BUFLEN, option_outdat_callback);
1140 		}
1141 	}
1142 }
1143 
1144 
1145 /** send RTS/DTR state to the port.
1146  *
1147  * This is exactly the same as SET_CONTROL_LINE_STATE from the PSTN
1148  * CDC.
1149 */
1150 static int option_send_setup(struct usb_serial_port *port)
1151 {
1152 	struct usb_serial *serial = port->serial;
1153 	struct option_port_private *portdata;
1154 	int ifNum = serial->interface->cur_altsetting->desc.bInterfaceNumber;
1155 	int val = 0;
1156 	dbg("%s", __func__);
1157 
1158 	portdata = usb_get_serial_port_data(port);
1159 
1160 	if (portdata->dtr_state)
1161 		val |= 0x01;
1162 	if (portdata->rts_state)
1163 		val |= 0x02;
1164 
1165 	return usb_control_msg(serial->dev,
1166 		usb_rcvctrlpipe(serial->dev, 0),
1167 		0x22, 0x21, val, ifNum, NULL, 0, USB_CTRL_SET_TIMEOUT);
1168 }
1169 
1170 static int option_startup(struct usb_serial *serial)
1171 {
1172 	int i, j, err;
1173 	struct usb_serial_port *port;
1174 	struct option_port_private *portdata;
1175 	u8 *buffer;
1176 
1177 	dbg("%s", __func__);
1178 
1179 	/* Now setup per port private data */
1180 	for (i = 0; i < serial->num_ports; i++) {
1181 		port = serial->port[i];
1182 		portdata = kzalloc(sizeof(*portdata), GFP_KERNEL);
1183 		if (!portdata) {
1184 			dbg("%s: kmalloc for option_port_private (%d) failed!.",
1185 					__func__, i);
1186 			return 1;
1187 		}
1188 		init_usb_anchor(&portdata->delayed);
1189 
1190 		for (j = 0; j < N_IN_URB; j++) {
1191 			buffer = (u8 *)__get_free_page(GFP_KERNEL);
1192 			if (!buffer)
1193 				goto bail_out_error;
1194 			portdata->in_buffer[j] = buffer;
1195 		}
1196 
1197 		for (j = 0; j < N_OUT_URB; j++) {
1198 			buffer = kmalloc(OUT_BUFLEN, GFP_KERNEL);
1199 			if (!buffer)
1200 				goto bail_out_error2;
1201 			portdata->out_buffer[j] = buffer;
1202 		}
1203 
1204 		usb_set_serial_port_data(port, portdata);
1205 
1206 		if (!port->interrupt_in_urb)
1207 			continue;
1208 		err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
1209 		if (err)
1210 			dbg("%s: submit irq_in urb failed %d",
1211 				__func__, err);
1212 	}
1213 	option_setup_urbs(serial);
1214 	return 0;
1215 
1216 bail_out_error2:
1217 	for (j = 0; j < N_OUT_URB; j++)
1218 		kfree(portdata->out_buffer[j]);
1219 bail_out_error:
1220 	for (j = 0; j < N_IN_URB; j++)
1221 		if (portdata->in_buffer[j])
1222 			free_page((unsigned long)portdata->in_buffer[j]);
1223 	kfree(portdata);
1224 	return 1;
1225 }
1226 
1227 static void stop_read_write_urbs(struct usb_serial *serial)
1228 {
1229 	int i, j;
1230 	struct usb_serial_port *port;
1231 	struct option_port_private *portdata;
1232 
1233 	/* Stop reading/writing urbs */
1234 	for (i = 0; i < serial->num_ports; ++i) {
1235 		port = serial->port[i];
1236 		portdata = usb_get_serial_port_data(port);
1237 		for (j = 0; j < N_IN_URB; j++)
1238 			usb_kill_urb(portdata->in_urbs[j]);
1239 		for (j = 0; j < N_OUT_URB; j++)
1240 			usb_kill_urb(portdata->out_urbs[j]);
1241 	}
1242 }
1243 
1244 static void option_disconnect(struct usb_serial *serial)
1245 {
1246 	dbg("%s", __func__);
1247 
1248 	stop_read_write_urbs(serial);
1249 }
1250 
1251 static void option_release(struct usb_serial *serial)
1252 {
1253 	int i, j;
1254 	struct usb_serial_port *port;
1255 	struct option_port_private *portdata;
1256 
1257 	dbg("%s", __func__);
1258 
1259 	/* Now free them */
1260 	for (i = 0; i < serial->num_ports; ++i) {
1261 		port = serial->port[i];
1262 		portdata = usb_get_serial_port_data(port);
1263 
1264 		for (j = 0; j < N_IN_URB; j++) {
1265 			if (portdata->in_urbs[j]) {
1266 				usb_free_urb(portdata->in_urbs[j]);
1267 				free_page((unsigned long)
1268 					portdata->in_buffer[j]);
1269 				portdata->in_urbs[j] = NULL;
1270 			}
1271 		}
1272 		for (j = 0; j < N_OUT_URB; j++) {
1273 			if (portdata->out_urbs[j]) {
1274 				usb_free_urb(portdata->out_urbs[j]);
1275 				kfree(portdata->out_buffer[j]);
1276 				portdata->out_urbs[j] = NULL;
1277 			}
1278 		}
1279 	}
1280 
1281 	/* Now free per port private data */
1282 	for (i = 0; i < serial->num_ports; i++) {
1283 		port = serial->port[i];
1284 		kfree(usb_get_serial_port_data(port));
1285 	}
1286 }
1287 
1288 #ifdef CONFIG_PM
1289 static int option_suspend(struct usb_serial *serial, pm_message_t message)
1290 {
1291 	struct option_intf_private *intfdata = serial->private;
1292 	int b;
1293 
1294 	dbg("%s entered", __func__);
1295 
1296 	if (serial->dev->auto_pm) {
1297 		spin_lock_irq(&intfdata->susp_lock);
1298 		b = intfdata->in_flight;
1299 		spin_unlock_irq(&intfdata->susp_lock);
1300 
1301 		if (b)
1302 			return -EBUSY;
1303 	}
1304 
1305 	spin_lock_irq(&intfdata->susp_lock);
1306 	intfdata->suspended = 1;
1307 	spin_unlock_irq(&intfdata->susp_lock);
1308 	stop_read_write_urbs(serial);
1309 
1310 	return 0;
1311 }
1312 
1313 static void play_delayed(struct usb_serial_port *port)
1314 {
1315 	struct option_intf_private *data;
1316 	struct option_port_private *portdata;
1317 	struct urb *urb;
1318 	int err;
1319 
1320 	portdata = usb_get_serial_port_data(port);
1321 	data = port->serial->private;
1322 	while ((urb = usb_get_from_anchor(&portdata->delayed))) {
1323 		err = usb_submit_urb(urb, GFP_ATOMIC);
1324 		if (!err)
1325 			data->in_flight++;
1326 	}
1327 }
1328 
1329 static int option_resume(struct usb_serial *serial)
1330 {
1331 	int i, j;
1332 	struct usb_serial_port *port;
1333 	struct option_intf_private *intfdata = serial->private;
1334 	struct option_port_private *portdata;
1335 	struct urb *urb;
1336 	int err = 0;
1337 
1338 	dbg("%s entered", __func__);
1339 	/* get the interrupt URBs resubmitted unconditionally */
1340 	for (i = 0; i < serial->num_ports; i++) {
1341 		port = serial->port[i];
1342 		if (!port->interrupt_in_urb) {
1343 			dbg("%s: No interrupt URB for port %d\n", __func__, i);
1344 			continue;
1345 		}
1346 		err = usb_submit_urb(port->interrupt_in_urb, GFP_NOIO);
1347 		dbg("Submitted interrupt URB for port %d (result %d)", i, err);
1348 		if (err < 0) {
1349 			err("%s: Error %d for interrupt URB of port%d",
1350 				 __func__, err, i);
1351 			goto err_out;
1352 		}
1353 	}
1354 
1355 	for (i = 0; i < serial->num_ports; i++) {
1356 		/* walk all ports */
1357 		port = serial->port[i];
1358 		portdata = usb_get_serial_port_data(port);
1359 
1360 		/* skip closed ports */
1361 		spin_lock_irq(&intfdata->susp_lock);
1362 		if (!portdata->opened) {
1363 			spin_unlock_irq(&intfdata->susp_lock);
1364 			continue;
1365 		}
1366 
1367 		for (j = 0; j < N_IN_URB; j++) {
1368 			urb = portdata->in_urbs[j];
1369 			err = usb_submit_urb(urb, GFP_ATOMIC);
1370 			if (err < 0) {
1371 				err("%s: Error %d for bulk URB %d",
1372 					 __func__, err, i);
1373 				spin_unlock_irq(&intfdata->susp_lock);
1374 				goto err_out;
1375 			}
1376 		}
1377 		play_delayed(port);
1378 		spin_unlock_irq(&intfdata->susp_lock);
1379 	}
1380 	spin_lock_irq(&intfdata->susp_lock);
1381 	intfdata->suspended = 0;
1382 	spin_unlock_irq(&intfdata->susp_lock);
1383 err_out:
1384 	return err;
1385 }
1386 #endif
1387 
1388 MODULE_AUTHOR(DRIVER_AUTHOR);
1389 MODULE_DESCRIPTION(DRIVER_DESC);
1390 MODULE_VERSION(DRIVER_VERSION);
1391 MODULE_LICENSE("GPL");
1392 
1393 module_param(debug, bool, S_IRUGO | S_IWUSR);
1394 MODULE_PARM_DESC(debug, "Debug messages");
1395