xref: /linux/drivers/usb/serial/option.c (revision 913df4453f85f1fe79b35ecf3c9a0c0b707d22a2)
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 
312 #define QISDA_VENDOR_ID				0x1da5
313 #define QISDA_PRODUCT_H21_4512			0x4512
314 #define QISDA_PRODUCT_H21_4523			0x4523
315 #define QISDA_PRODUCT_H20_4515			0x4515
316 #define QISDA_PRODUCT_H20_4519			0x4519
317 
318 
319 /* TOSHIBA PRODUCTS */
320 #define TOSHIBA_VENDOR_ID			0x0930
321 #define TOSHIBA_PRODUCT_HSDPA_MINICARD		0x1302
322 #define TOSHIBA_PRODUCT_G450			0x0d45
323 
324 #define ALINK_VENDOR_ID				0x1e0e
325 #define ALINK_PRODUCT_3GU			0x9200
326 
327 /* ALCATEL PRODUCTS */
328 #define ALCATEL_VENDOR_ID			0x1bbb
329 #define ALCATEL_PRODUCT_X060S			0x0000
330 
331 
332 static struct usb_device_id option_ids[] = {
333 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
334 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
335 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_LIGHT) },
336 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD) },
337 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD_LIGHT) },
338 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS) },
339 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_LIGHT) },
340 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD) },
341 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD_LIGHT) },
342 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA) },
343 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA_BUS) },
344 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER) },
345 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER_BUS) },
346 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GT_MAX_READY) },
347 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_LIGHT) },
348 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_GT) },
349 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_EX) },
350 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_KOI_MODEM) },
351 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_MODEM) },
352 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM) },
353 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_LITE) },
354 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_GT) },
355 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_EX) },
356 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_MODEM) },
357 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GTM380_MODEM) },
358 	{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_Q101) },
359 	{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_Q111) },
360 	{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GLX) },
361 	{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GKE) },
362 	{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GLE) },
363 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E600, 0xff, 0xff, 0xff) },
364 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220, 0xff, 0xff, 0xff) },
365 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220BIS, 0xff, 0xff, 0xff) },
366 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1401, 0xff, 0xff, 0xff) },
367 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1402, 0xff, 0xff, 0xff) },
368 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1403, 0xff, 0xff, 0xff) },
369 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1404, 0xff, 0xff, 0xff) },
370 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1405, 0xff, 0xff, 0xff) },
371 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1406, 0xff, 0xff, 0xff) },
372 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1407, 0xff, 0xff, 0xff) },
373 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1408, 0xff, 0xff, 0xff) },
374 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1409, 0xff, 0xff, 0xff) },
375 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140A, 0xff, 0xff, 0xff) },
376 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140B, 0xff, 0xff, 0xff) },
377 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140C, 0xff, 0xff, 0xff) },
378 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140D, 0xff, 0xff, 0xff) },
379 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140E, 0xff, 0xff, 0xff) },
380 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140F, 0xff, 0xff, 0xff) },
381 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1410, 0xff, 0xff, 0xff) },
382 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1411, 0xff, 0xff, 0xff) },
383 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1412, 0xff, 0xff, 0xff) },
384 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1413, 0xff, 0xff, 0xff) },
385 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1414, 0xff, 0xff, 0xff) },
386 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1415, 0xff, 0xff, 0xff) },
387 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1416, 0xff, 0xff, 0xff) },
388 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1417, 0xff, 0xff, 0xff) },
389 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1418, 0xff, 0xff, 0xff) },
390 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1419, 0xff, 0xff, 0xff) },
391 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141A, 0xff, 0xff, 0xff) },
392 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141B, 0xff, 0xff, 0xff) },
393 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141C, 0xff, 0xff, 0xff) },
394 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141D, 0xff, 0xff, 0xff) },
395 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141E, 0xff, 0xff, 0xff) },
396 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141F, 0xff, 0xff, 0xff) },
397 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1420, 0xff, 0xff, 0xff) },
398 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1421, 0xff, 0xff, 0xff) },
399 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1422, 0xff, 0xff, 0xff) },
400 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1423, 0xff, 0xff, 0xff) },
401 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1424, 0xff, 0xff, 0xff) },
402 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1425, 0xff, 0xff, 0xff) },
403 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1426, 0xff, 0xff, 0xff) },
404 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1427, 0xff, 0xff, 0xff) },
405 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1428, 0xff, 0xff, 0xff) },
406 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1429, 0xff, 0xff, 0xff) },
407 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142A, 0xff, 0xff, 0xff) },
408 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142B, 0xff, 0xff, 0xff) },
409 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142C, 0xff, 0xff, 0xff) },
410 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142D, 0xff, 0xff, 0xff) },
411 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142E, 0xff, 0xff, 0xff) },
412 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142F, 0xff, 0xff, 0xff) },
413 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1430, 0xff, 0xff, 0xff) },
414 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1431, 0xff, 0xff, 0xff) },
415 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1432, 0xff, 0xff, 0xff) },
416 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1433, 0xff, 0xff, 0xff) },
417 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1434, 0xff, 0xff, 0xff) },
418 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1435, 0xff, 0xff, 0xff) },
419 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1436, 0xff, 0xff, 0xff) },
420 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1437, 0xff, 0xff, 0xff) },
421 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1438, 0xff, 0xff, 0xff) },
422 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1439, 0xff, 0xff, 0xff) },
423 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143A, 0xff, 0xff, 0xff) },
424 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143B, 0xff, 0xff, 0xff) },
425 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143C, 0xff, 0xff, 0xff) },
426 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143D, 0xff, 0xff, 0xff) },
427 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143E, 0xff, 0xff, 0xff) },
428 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143F, 0xff, 0xff, 0xff) },
429 	{ USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E14AC) },
430 	{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_9508) },
431 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) }, /* Novatel Merlin V640/XV620 */
432 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) }, /* Novatel Merlin V620/S620 */
433 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V740) }, /* Novatel Merlin EX720/V740/X720 */
434 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V720) }, /* Novatel Merlin V720/S720/PC720 */
435 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U730) }, /* Novatel U730/U740 (VF version) */
436 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U740) }, /* Novatel U740 */
437 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U870) }, /* Novatel U870 */
438 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_XU870) }, /* Novatel Merlin XU870 HSDPA/3G */
439 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_X950D) }, /* Novatel X950D */
440 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EV620) }, /* Novatel EV620/ES620 CDMA/EV-DO */
441 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_ES720) }, /* Novatel ES620/ES720/U720/USB720 */
442 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E725) }, /* Novatel E725/E726 */
443 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_ES620) }, /* Novatel Merlin ES620 SM Bus */
444 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU730) }, /* Novatel EU730 and Vodafone EU740 */
445 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU740) }, /* Novatel non-Vodafone EU740 */
446 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU870D) }, /* Novatel EU850D/EU860D/EU870D */
447 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC950D) }, /* Novatel MC930D/MC950D */
448 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC727) }, /* Novatel MC727/U727/USB727 */
449 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC727_NEW) }, /* Novatel MC727/U727/USB727 refresh */
450 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U727) }, /* Novatel MC727/U727/USB727 */
451 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC760) }, /* Novatel MC760/U760/USB760 */
452 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_OVMC760) }, /* Novatel Ovation MC760 */
453 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_FULLSPEED) }, /* Novatel HSPA product */
454 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_EMBEDDED_FULLSPEED) }, /* Novatel EVDO Embedded product */
455 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_FULLSPEED) }, /* Novatel HSPA Embedded product */
456 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_HIGHSPEED) }, /* Novatel EVDO product */
457 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_HIGHSPEED) }, /* Novatel HSPA product */
458 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_EMBEDDED_HIGHSPEED) }, /* Novatel EVDO Embedded product */
459 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_HIGHSPEED) }, /* Novatel HSPA Embedded product */
460 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_GLOBAL) }, /* Novatel Global product */
461 
462 	{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01) },
463 	{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01A) },
464 	{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H02) },
465 
466 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5700_MINICARD) },		/* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite EV620 CDMA/EV-DO */
467 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5500_MINICARD) },		/* Dell Wireless 5500 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */
468 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5505_MINICARD) },		/* Dell Wireless 5505 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */
469 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5700_EXPRESSCARD) },		/* Dell Wireless 5700 Mobile Broadband CDMA/EVDO ExpressCard == Novatel Merlin XV620 CDMA/EV-DO */
470 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5510_EXPRESSCARD) },		/* Dell Wireless 5510 Mobile Broadband HSDPA ExpressCard == Novatel Merlin XU870 HSDPA/3G */
471 	{ 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 */
472 	{ 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 */
473 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5720_MINICARD_VZW) }, 	/* Dell Wireless 5720 == Novatel EV620 CDMA/EV-DO */
474 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5720_MINICARD_SPRINT) }, 	/* Dell Wireless 5720 == Novatel EV620 CDMA/EV-DO */
475 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5720_MINICARD_TELUS) }, 	/* Dell Wireless 5720 == Novatel EV620 CDMA/EV-DO */
476 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5520_MINICARD_CINGULAR) },	/* Dell Wireless HSDPA 5520 == Novatel Expedite EU860D */
477 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5520_MINICARD_GENERIC_L) },	/* Dell Wireless HSDPA 5520 */
478 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5520_MINICARD_GENERIC_I) },	/* Dell Wireless 5520 Voda I Mobile Broadband (3G HSDPA) Minicard */
479 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_SPRINT) },	/* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
480 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_TELUS) },	/* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
481 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_VZW) }, 	/* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
482 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) },	/* ADU-E100, ADU-310 */
483 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) },
484 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_620UW) },
485 	{ USB_DEVICE(AXESSTEL_VENDOR_ID, AXESSTEL_PRODUCT_MV110H) },
486 	{ USB_DEVICE(YISO_VENDOR_ID, YISO_PRODUCT_U893) },
487 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_1) },
488 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_2) },
489 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1004) },
490 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1005) },
491 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1006) },
492 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1007) },
493 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1008) },
494 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1009) },
495 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100A) },
496 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100B) },
497 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100C) },
498 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100D) },
499 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100E) },
500 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100F) },
501 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1010) },
502 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1011) },
503 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1012) },
504 	{ USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC650) },
505 	{ USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) },
506 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6000)}, /* ZTE AC8700 */
507 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
508 	{ USB_DEVICE(MAXON_VENDOR_ID, 0x6280) }, /* BP3-USB & BP3-EXT HSDPA */
509 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },
510 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864G) },
511 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */
512 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0002, 0xff, 0xff, 0xff) },
513 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0003, 0xff, 0xff, 0xff) },
514 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0004, 0xff, 0xff, 0xff) },
515 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0005, 0xff, 0xff, 0xff) },
516 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0006, 0xff, 0xff, 0xff) },
517 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0007, 0xff, 0xff, 0xff) },
518 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0008, 0xff, 0xff, 0xff) },
519 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0009, 0xff, 0xff, 0xff) },
520 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000a, 0xff, 0xff, 0xff) },
521 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000b, 0xff, 0xff, 0xff) },
522 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000c, 0xff, 0xff, 0xff) },
523 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000d, 0xff, 0xff, 0xff) },
524 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000e, 0xff, 0xff, 0xff) },
525 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000f, 0xff, 0xff, 0xff) },
526 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0010, 0xff, 0xff, 0xff) },
527 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0011, 0xff, 0xff, 0xff) },
528 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0012, 0xff, 0xff, 0xff) },
529 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0013, 0xff, 0xff, 0xff) },
530 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF628, 0xff, 0xff, 0xff) },
531 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0016, 0xff, 0xff, 0xff) },
532 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0017, 0xff, 0xff, 0xff) },
533 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0018, 0xff, 0xff, 0xff) },
534 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0019, 0xff, 0xff, 0xff) },
535 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0020, 0xff, 0xff, 0xff) },
536 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0021, 0xff, 0xff, 0xff) },
537 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0022, 0xff, 0xff, 0xff) },
538 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0023, 0xff, 0xff, 0xff) },
539 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0024, 0xff, 0xff, 0xff) },
540 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0025, 0xff, 0xff, 0xff) },
541 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0026, 0xff, 0xff, 0xff) },
542 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0028, 0xff, 0xff, 0xff) },
543 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0029, 0xff, 0xff, 0xff) },
544 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0030, 0xff, 0xff, 0xff) },
545 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF626, 0xff, 0xff, 0xff) },
546 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0032, 0xff, 0xff, 0xff) },
547 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0033, 0xff, 0xff, 0xff) },
548 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0037, 0xff, 0xff, 0xff) },
549 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0039, 0xff, 0xff, 0xff) },
550 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0042, 0xff, 0xff, 0xff) },
551 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0043, 0xff, 0xff, 0xff) },
552 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0048, 0xff, 0xff, 0xff) },
553 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0049, 0xff, 0xff, 0xff) },
554 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0051, 0xff, 0xff, 0xff) },
555 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0052, 0xff, 0xff, 0xff) },
556 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0054, 0xff, 0xff, 0xff) },
557 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0055, 0xff, 0xff, 0xff) },
558 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0057, 0xff, 0xff, 0xff) },
559 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0058, 0xff, 0xff, 0xff) },
560 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0061, 0xff, 0xff, 0xff) },
561 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0062, 0xff, 0xff, 0xff) },
562 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0063, 0xff, 0xff, 0xff) },
563 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0064, 0xff, 0xff, 0xff) },
564 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0066, 0xff, 0xff, 0xff) },
565 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0069, 0xff, 0xff, 0xff) },
566 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0076, 0xff, 0xff, 0xff) },
567 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0078, 0xff, 0xff, 0xff) },
568 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0082, 0xff, 0xff, 0xff) },
569 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0086, 0xff, 0xff, 0xff) },
570 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x2002, 0xff, 0xff, 0xff) },
571 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x2003, 0xff, 0xff, 0xff) },
572 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0014, 0xff, 0xff, 0xff) }, /* ZTE CDMA products */
573 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0027, 0xff, 0xff, 0xff) },
574 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0059, 0xff, 0xff, 0xff) },
575 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0060, 0xff, 0xff, 0xff) },
576 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0070, 0xff, 0xff, 0xff) },
577 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0073, 0xff, 0xff, 0xff) },
578 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_CDMA_TECH, 0xff, 0xff, 0xff) },
579 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC8710, 0xff, 0xff, 0xff) },
580 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC2726, 0xff, 0xff, 0xff) },
581 	{ USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) },
582 	{ USB_DEVICE(DLINK_VENDOR_ID, DLINK_PRODUCT_DWM_652) },
583 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4512) },
584 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4523) },
585 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H20_4515) },
586 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H20_4519) },
587 	{ USB_DEVICE(TOSHIBA_VENDOR_ID, TOSHIBA_PRODUCT_G450) },
588 	{ USB_DEVICE(TOSHIBA_VENDOR_ID, TOSHIBA_PRODUCT_HSDPA_MINICARD ) }, /* Toshiba 3G HSDPA == Novatel Expedite EU870D MiniCard */
589 	{ USB_DEVICE(ALINK_VENDOR_ID, 0x9000) },
590 	{ USB_DEVICE_AND_INTERFACE_INFO(ALINK_VENDOR_ID, ALINK_PRODUCT_3GU, 0xff, 0xff, 0xff) },
591 	{ USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S) },
592 	{ } /* Terminating entry */
593 };
594 MODULE_DEVICE_TABLE(usb, option_ids);
595 
596 static struct usb_driver option_driver = {
597 	.name       = "option",
598 	.probe      = usb_serial_probe,
599 	.disconnect = usb_serial_disconnect,
600 #ifdef CONFIG_PM
601 	.suspend    = usb_serial_suspend,
602 	.resume     = usb_serial_resume,
603 	.supports_autosuspend =	1,
604 #endif
605 	.id_table   = option_ids,
606 	.no_dynamic_id = 	1,
607 };
608 
609 /* The card has three separate interfaces, which the serial driver
610  * recognizes separately, thus num_port=1.
611  */
612 
613 static struct usb_serial_driver option_1port_device = {
614 	.driver = {
615 		.owner =	THIS_MODULE,
616 		.name =		"option1",
617 	},
618 	.description       = "GSM modem (1-port)",
619 	.usb_driver        = &option_driver,
620 	.id_table          = option_ids,
621 	.num_ports         = 1,
622 	.probe             = option_probe,
623 	.open              = option_open,
624 	.close             = option_close,
625 	.dtr_rts	   = option_dtr_rts,
626 	.write             = option_write,
627 	.write_room        = option_write_room,
628 	.chars_in_buffer   = option_chars_in_buffer,
629 	.set_termios       = option_set_termios,
630 	.tiocmget          = option_tiocmget,
631 	.tiocmset          = option_tiocmset,
632 	.attach            = option_startup,
633 	.disconnect        = option_disconnect,
634 	.release           = option_release,
635 	.read_int_callback = option_instat_callback,
636 #ifdef CONFIG_PM
637 	.suspend           = option_suspend,
638 	.resume            = option_resume,
639 #endif
640 };
641 
642 static int debug;
643 
644 /* per port private data */
645 
646 #define N_IN_URB 4
647 #define N_OUT_URB 4
648 #define IN_BUFLEN 4096
649 #define OUT_BUFLEN 4096
650 
651 struct option_intf_private {
652 	spinlock_t susp_lock;
653 	unsigned int suspended:1;
654 	int in_flight;
655 };
656 
657 struct option_port_private {
658 	/* Input endpoints and buffer for this port */
659 	struct urb *in_urbs[N_IN_URB];
660 	u8 *in_buffer[N_IN_URB];
661 	/* Output endpoints and buffer for this port */
662 	struct urb *out_urbs[N_OUT_URB];
663 	u8 *out_buffer[N_OUT_URB];
664 	unsigned long out_busy;		/* Bit vector of URBs in use */
665 	int opened;
666 	struct usb_anchor delayed;
667 
668 	/* Settings for the port */
669 	int rts_state;	/* Handshaking pins (outputs) */
670 	int dtr_state;
671 	int cts_state;	/* Handshaking pins (inputs) */
672 	int dsr_state;
673 	int dcd_state;
674 	int ri_state;
675 
676 	unsigned long tx_start_time[N_OUT_URB];
677 };
678 
679 /* Functions used by new usb-serial code. */
680 static int __init option_init(void)
681 {
682 	int retval;
683 	retval = usb_serial_register(&option_1port_device);
684 	if (retval)
685 		goto failed_1port_device_register;
686 	retval = usb_register(&option_driver);
687 	if (retval)
688 		goto failed_driver_register;
689 
690 	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
691 	       DRIVER_DESC "\n");
692 
693 	return 0;
694 
695 failed_driver_register:
696 	usb_serial_deregister(&option_1port_device);
697 failed_1port_device_register:
698 	return retval;
699 }
700 
701 static void __exit option_exit(void)
702 {
703 	usb_deregister(&option_driver);
704 	usb_serial_deregister(&option_1port_device);
705 }
706 
707 module_init(option_init);
708 module_exit(option_exit);
709 
710 static int option_probe(struct usb_serial *serial,
711 			const struct usb_device_id *id)
712 {
713 	struct option_intf_private *data;
714 	/* D-Link DWM 652 still exposes CD-Rom emulation interface in modem mode */
715 	if (serial->dev->descriptor.idVendor == DLINK_VENDOR_ID &&
716 		serial->dev->descriptor.idProduct == DLINK_PRODUCT_DWM_652 &&
717 		serial->interface->cur_altsetting->desc.bInterfaceClass == 0x8)
718 		return -ENODEV;
719 
720 	data = serial->private = kzalloc(sizeof(struct option_intf_private), GFP_KERNEL);
721 	if (!data)
722 		return -ENOMEM;
723 	spin_lock_init(&data->susp_lock);
724 	return 0;
725 }
726 
727 static void option_set_termios(struct tty_struct *tty,
728 		struct usb_serial_port *port, struct ktermios *old_termios)
729 {
730 	dbg("%s", __func__);
731 	/* Doesn't support option setting */
732 	tty_termios_copy_hw(tty->termios, old_termios);
733 	option_send_setup(port);
734 }
735 
736 static int option_tiocmget(struct tty_struct *tty, struct file *file)
737 {
738 	struct usb_serial_port *port = tty->driver_data;
739 	unsigned int value;
740 	struct option_port_private *portdata;
741 
742 	portdata = usb_get_serial_port_data(port);
743 
744 	value = ((portdata->rts_state) ? TIOCM_RTS : 0) |
745 		((portdata->dtr_state) ? TIOCM_DTR : 0) |
746 		((portdata->cts_state) ? TIOCM_CTS : 0) |
747 		((portdata->dsr_state) ? TIOCM_DSR : 0) |
748 		((portdata->dcd_state) ? TIOCM_CAR : 0) |
749 		((portdata->ri_state) ? TIOCM_RNG : 0);
750 
751 	return value;
752 }
753 
754 static int option_tiocmset(struct tty_struct *tty, struct file *file,
755 			unsigned int set, unsigned int clear)
756 {
757 	struct usb_serial_port *port = tty->driver_data;
758 	struct option_port_private *portdata;
759 
760 	portdata = usb_get_serial_port_data(port);
761 
762 	/* FIXME: what locks portdata fields ? */
763 	if (set & TIOCM_RTS)
764 		portdata->rts_state = 1;
765 	if (set & TIOCM_DTR)
766 		portdata->dtr_state = 1;
767 
768 	if (clear & TIOCM_RTS)
769 		portdata->rts_state = 0;
770 	if (clear & TIOCM_DTR)
771 		portdata->dtr_state = 0;
772 	return option_send_setup(port);
773 }
774 
775 /* Write */
776 static int option_write(struct tty_struct *tty, struct usb_serial_port *port,
777 			const unsigned char *buf, int count)
778 {
779 	struct option_port_private *portdata;
780 	struct option_intf_private *intfdata;
781 	int i;
782 	int left, todo;
783 	struct urb *this_urb = NULL; /* spurious */
784 	int err;
785 	unsigned long flags;
786 
787 	portdata = usb_get_serial_port_data(port);
788 	intfdata = port->serial->private;
789 
790 	dbg("%s: write (%d chars)", __func__, count);
791 
792 	i = 0;
793 	left = count;
794 	for (i = 0; left > 0 && i < N_OUT_URB; i++) {
795 		todo = left;
796 		if (todo > OUT_BUFLEN)
797 			todo = OUT_BUFLEN;
798 
799 		this_urb = portdata->out_urbs[i];
800 		if (test_and_set_bit(i, &portdata->out_busy)) {
801 			if (time_before(jiffies,
802 					portdata->tx_start_time[i] + 10 * HZ))
803 				continue;
804 			usb_unlink_urb(this_urb);
805 			continue;
806 		}
807 		dbg("%s: endpoint %d buf %d", __func__,
808 			usb_pipeendpoint(this_urb->pipe), i);
809 
810 		err = usb_autopm_get_interface_async(port->serial->interface);
811 		if (err < 0)
812 			break;
813 
814 		/* send the data */
815 		memcpy(this_urb->transfer_buffer, buf, todo);
816 		this_urb->transfer_buffer_length = todo;
817 
818 		spin_lock_irqsave(&intfdata->susp_lock, flags);
819 		if (intfdata->suspended) {
820 			usb_anchor_urb(this_urb, &portdata->delayed);
821 			spin_unlock_irqrestore(&intfdata->susp_lock, flags);
822 		} else {
823 			intfdata->in_flight++;
824 			spin_unlock_irqrestore(&intfdata->susp_lock, flags);
825 			err = usb_submit_urb(this_urb, GFP_ATOMIC);
826 			if (err) {
827 				dbg("usb_submit_urb %p (write bulk) failed "
828 					"(%d)", this_urb, err);
829 				clear_bit(i, &portdata->out_busy);
830 				spin_lock_irqsave(&intfdata->susp_lock, flags);
831 				intfdata->in_flight--;
832 				spin_unlock_irqrestore(&intfdata->susp_lock, flags);
833 				continue;
834 			}
835 		}
836 
837 		portdata->tx_start_time[i] = jiffies;
838 		buf += todo;
839 		left -= todo;
840 	}
841 
842 	count -= left;
843 	dbg("%s: wrote (did %d)", __func__, count);
844 	return count;
845 }
846 
847 static void option_indat_callback(struct urb *urb)
848 {
849 	int err;
850 	int endpoint;
851 	struct usb_serial_port *port;
852 	struct tty_struct *tty;
853 	unsigned char *data = urb->transfer_buffer;
854 	int status = urb->status;
855 
856 	dbg("%s: %p", __func__, urb);
857 
858 	endpoint = usb_pipeendpoint(urb->pipe);
859 	port =  urb->context;
860 
861 	if (status) {
862 		dbg("%s: nonzero status: %d on endpoint %02x.",
863 		    __func__, status, endpoint);
864 	} else {
865 		tty = tty_port_tty_get(&port->port);
866 		if (urb->actual_length) {
867 			tty_buffer_request_room(tty, urb->actual_length);
868 			tty_insert_flip_string(tty, data, urb->actual_length);
869 			tty_flip_buffer_push(tty);
870 		} else
871 			dbg("%s: empty read urb received", __func__);
872 		tty_kref_put(tty);
873 
874 		/* Resubmit urb so we continue receiving */
875 		if (port->port.count && status != -ESHUTDOWN) {
876 			err = usb_submit_urb(urb, GFP_ATOMIC);
877 			if (err)
878 				printk(KERN_ERR "%s: resubmit read urb failed. "
879 					"(%d)", __func__, err);
880 			else
881 				usb_mark_last_busy(port->serial->dev);
882 		}
883 
884 	}
885 	return;
886 }
887 
888 static void option_outdat_callback(struct urb *urb)
889 {
890 	struct usb_serial_port *port;
891 	struct option_port_private *portdata;
892 	struct option_intf_private *intfdata;
893 	int i;
894 
895 	dbg("%s", __func__);
896 
897 	port =  urb->context;
898 	intfdata = port->serial->private;
899 
900 	usb_serial_port_softint(port);
901 	usb_autopm_put_interface_async(port->serial->interface);
902 	portdata = usb_get_serial_port_data(port);
903 	spin_lock(&intfdata->susp_lock);
904 	intfdata->in_flight--;
905 	spin_unlock(&intfdata->susp_lock);
906 
907 	for (i = 0; i < N_OUT_URB; ++i) {
908 		if (portdata->out_urbs[i] == urb) {
909 			smp_mb__before_clear_bit();
910 			clear_bit(i, &portdata->out_busy);
911 			break;
912 		}
913 	}
914 }
915 
916 static void option_instat_callback(struct urb *urb)
917 {
918 	int err;
919 	int status = urb->status;
920 	struct usb_serial_port *port =  urb->context;
921 	struct option_port_private *portdata = usb_get_serial_port_data(port);
922 
923 	dbg("%s", __func__);
924 	dbg("%s: urb %p port %p has data %p", __func__, urb, port, portdata);
925 
926 	if (status == 0) {
927 		struct usb_ctrlrequest *req_pkt =
928 				(struct usb_ctrlrequest *)urb->transfer_buffer;
929 
930 		if (!req_pkt) {
931 			dbg("%s: NULL req_pkt\n", __func__);
932 			return;
933 		}
934 		if ((req_pkt->bRequestType == 0xA1) &&
935 				(req_pkt->bRequest == 0x20)) {
936 			int old_dcd_state;
937 			unsigned char signals = *((unsigned char *)
938 					urb->transfer_buffer +
939 					sizeof(struct usb_ctrlrequest));
940 
941 			dbg("%s: signal x%x", __func__, signals);
942 
943 			old_dcd_state = portdata->dcd_state;
944 			portdata->cts_state = 1;
945 			portdata->dcd_state = ((signals & 0x01) ? 1 : 0);
946 			portdata->dsr_state = ((signals & 0x02) ? 1 : 0);
947 			portdata->ri_state = ((signals & 0x08) ? 1 : 0);
948 
949 			if (old_dcd_state && !portdata->dcd_state) {
950 				struct tty_struct *tty =
951 						tty_port_tty_get(&port->port);
952 				if (tty && !C_CLOCAL(tty))
953 					tty_hangup(tty);
954 				tty_kref_put(tty);
955 			}
956 		} else {
957 			dbg("%s: type %x req %x", __func__,
958 				req_pkt->bRequestType, req_pkt->bRequest);
959 		}
960 	} else
961 		err("%s: error %d", __func__, status);
962 
963 	/* Resubmit urb so we continue receiving IRQ data */
964 	if (status != -ESHUTDOWN && status != -ENOENT) {
965 		err = usb_submit_urb(urb, GFP_ATOMIC);
966 		if (err)
967 			dbg("%s: resubmit intr urb failed. (%d)",
968 				__func__, err);
969 	}
970 }
971 
972 static int option_write_room(struct tty_struct *tty)
973 {
974 	struct usb_serial_port *port = tty->driver_data;
975 	struct option_port_private *portdata;
976 	int i;
977 	int data_len = 0;
978 	struct urb *this_urb;
979 
980 	portdata = usb_get_serial_port_data(port);
981 
982 	for (i = 0; i < N_OUT_URB; i++) {
983 		this_urb = portdata->out_urbs[i];
984 		if (this_urb && !test_bit(i, &portdata->out_busy))
985 			data_len += OUT_BUFLEN;
986 	}
987 
988 	dbg("%s: %d", __func__, data_len);
989 	return data_len;
990 }
991 
992 static int option_chars_in_buffer(struct tty_struct *tty)
993 {
994 	struct usb_serial_port *port = tty->driver_data;
995 	struct option_port_private *portdata;
996 	int i;
997 	int data_len = 0;
998 	struct urb *this_urb;
999 
1000 	portdata = usb_get_serial_port_data(port);
1001 
1002 	for (i = 0; i < N_OUT_URB; i++) {
1003 		this_urb = portdata->out_urbs[i];
1004 		/* FIXME: This locking is insufficient as this_urb may
1005 		   go unused during the test */
1006 		if (this_urb && test_bit(i, &portdata->out_busy))
1007 			data_len += this_urb->transfer_buffer_length;
1008 	}
1009 	dbg("%s: %d", __func__, data_len);
1010 	return data_len;
1011 }
1012 
1013 static int option_open(struct tty_struct *tty, struct usb_serial_port *port)
1014 {
1015 	struct option_port_private *portdata;
1016 	struct option_intf_private *intfdata;
1017 	struct usb_serial *serial = port->serial;
1018 	int i, err;
1019 	struct urb *urb;
1020 
1021 	portdata = usb_get_serial_port_data(port);
1022 	intfdata = serial->private;
1023 
1024 	dbg("%s", __func__);
1025 
1026 	/* Start reading from the IN endpoint */
1027 	for (i = 0; i < N_IN_URB; i++) {
1028 		urb = portdata->in_urbs[i];
1029 		if (!urb)
1030 			continue;
1031 		err = usb_submit_urb(urb, GFP_KERNEL);
1032 		if (err) {
1033 			dbg("%s: submit urb %d failed (%d) %d",
1034 				__func__, i, err,
1035 				urb->transfer_buffer_length);
1036 		}
1037 	}
1038 
1039 	option_send_setup(port);
1040 
1041 	serial->interface->needs_remote_wakeup = 1;
1042 	spin_lock_irq(&intfdata->susp_lock);
1043 	portdata->opened = 1;
1044 	spin_unlock_irq(&intfdata->susp_lock);
1045 	usb_autopm_put_interface(serial->interface);
1046 
1047 	return 0;
1048 }
1049 
1050 static void option_dtr_rts(struct usb_serial_port *port, int on)
1051 {
1052 	struct usb_serial *serial = port->serial;
1053 	struct option_port_private *portdata;
1054 
1055 	dbg("%s", __func__);
1056 	portdata = usb_get_serial_port_data(port);
1057 	mutex_lock(&serial->disc_mutex);
1058 	portdata->rts_state = on;
1059 	portdata->dtr_state = on;
1060 	if (serial->dev)
1061 		option_send_setup(port);
1062 	mutex_unlock(&serial->disc_mutex);
1063 }
1064 
1065 
1066 static void option_close(struct usb_serial_port *port)
1067 {
1068 	int i;
1069 	struct usb_serial *serial = port->serial;
1070 	struct option_port_private *portdata;
1071 	struct option_intf_private *intfdata = port->serial->private;
1072 
1073 	dbg("%s", __func__);
1074 	portdata = usb_get_serial_port_data(port);
1075 
1076 	if (serial->dev) {
1077 		/* Stop reading/writing urbs */
1078 		spin_lock_irq(&intfdata->susp_lock);
1079 		portdata->opened = 0;
1080 		spin_unlock_irq(&intfdata->susp_lock);
1081 
1082 		for (i = 0; i < N_IN_URB; i++)
1083 			usb_kill_urb(portdata->in_urbs[i]);
1084 		for (i = 0; i < N_OUT_URB; i++)
1085 			usb_kill_urb(portdata->out_urbs[i]);
1086 		usb_autopm_get_interface(serial->interface);
1087 		serial->interface->needs_remote_wakeup = 0;
1088 	}
1089 }
1090 
1091 /* Helper functions used by option_setup_urbs */
1092 static struct urb *option_setup_urb(struct usb_serial *serial, int endpoint,
1093 		int dir, void *ctx, char *buf, int len,
1094 		void (*callback)(struct urb *))
1095 {
1096 	struct urb *urb;
1097 
1098 	if (endpoint == -1)
1099 		return NULL;		/* endpoint not needed */
1100 
1101 	urb = usb_alloc_urb(0, GFP_KERNEL);		/* No ISO */
1102 	if (urb == NULL) {
1103 		dbg("%s: alloc for endpoint %d failed.", __func__, endpoint);
1104 		return NULL;
1105 	}
1106 
1107 		/* Fill URB using supplied data. */
1108 	usb_fill_bulk_urb(urb, serial->dev,
1109 		      usb_sndbulkpipe(serial->dev, endpoint) | dir,
1110 		      buf, len, callback, ctx);
1111 
1112 	return urb;
1113 }
1114 
1115 /* Setup urbs */
1116 static void option_setup_urbs(struct usb_serial *serial)
1117 {
1118 	int i, j;
1119 	struct usb_serial_port *port;
1120 	struct option_port_private *portdata;
1121 
1122 	dbg("%s", __func__);
1123 
1124 	for (i = 0; i < serial->num_ports; i++) {
1125 		port = serial->port[i];
1126 		portdata = usb_get_serial_port_data(port);
1127 
1128 		/* Do indat endpoints first */
1129 		for (j = 0; j < N_IN_URB; ++j) {
1130 			portdata->in_urbs[j] = option_setup_urb(serial,
1131 					port->bulk_in_endpointAddress,
1132 					USB_DIR_IN, port,
1133 					portdata->in_buffer[j],
1134 					IN_BUFLEN, option_indat_callback);
1135 		}
1136 
1137 		/* outdat endpoints */
1138 		for (j = 0; j < N_OUT_URB; ++j) {
1139 			portdata->out_urbs[j] = option_setup_urb(serial,
1140 					port->bulk_out_endpointAddress,
1141 					USB_DIR_OUT, port,
1142 					portdata->out_buffer[j],
1143 					OUT_BUFLEN, option_outdat_callback);
1144 		}
1145 	}
1146 }
1147 
1148 
1149 /** send RTS/DTR state to the port.
1150  *
1151  * This is exactly the same as SET_CONTROL_LINE_STATE from the PSTN
1152  * CDC.
1153 */
1154 static int option_send_setup(struct usb_serial_port *port)
1155 {
1156 	struct usb_serial *serial = port->serial;
1157 	struct option_port_private *portdata;
1158 	int ifNum = serial->interface->cur_altsetting->desc.bInterfaceNumber;
1159 	int val = 0;
1160 	dbg("%s", __func__);
1161 
1162 	portdata = usb_get_serial_port_data(port);
1163 
1164 	if (portdata->dtr_state)
1165 		val |= 0x01;
1166 	if (portdata->rts_state)
1167 		val |= 0x02;
1168 
1169 	return usb_control_msg(serial->dev,
1170 		usb_rcvctrlpipe(serial->dev, 0),
1171 		0x22, 0x21, val, ifNum, NULL, 0, USB_CTRL_SET_TIMEOUT);
1172 }
1173 
1174 static int option_startup(struct usb_serial *serial)
1175 {
1176 	int i, j, err;
1177 	struct usb_serial_port *port;
1178 	struct option_port_private *portdata;
1179 	u8 *buffer;
1180 
1181 	dbg("%s", __func__);
1182 
1183 	/* Now setup per port private data */
1184 	for (i = 0; i < serial->num_ports; i++) {
1185 		port = serial->port[i];
1186 		portdata = kzalloc(sizeof(*portdata), GFP_KERNEL);
1187 		if (!portdata) {
1188 			dbg("%s: kmalloc for option_port_private (%d) failed!.",
1189 					__func__, i);
1190 			return 1;
1191 		}
1192 		init_usb_anchor(&portdata->delayed);
1193 
1194 		for (j = 0; j < N_IN_URB; j++) {
1195 			buffer = (u8 *)__get_free_page(GFP_KERNEL);
1196 			if (!buffer)
1197 				goto bail_out_error;
1198 			portdata->in_buffer[j] = buffer;
1199 		}
1200 
1201 		for (j = 0; j < N_OUT_URB; j++) {
1202 			buffer = kmalloc(OUT_BUFLEN, GFP_KERNEL);
1203 			if (!buffer)
1204 				goto bail_out_error2;
1205 			portdata->out_buffer[j] = buffer;
1206 		}
1207 
1208 		usb_set_serial_port_data(port, portdata);
1209 
1210 		if (!port->interrupt_in_urb)
1211 			continue;
1212 		err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
1213 		if (err)
1214 			dbg("%s: submit irq_in urb failed %d",
1215 				__func__, err);
1216 	}
1217 	option_setup_urbs(serial);
1218 	return 0;
1219 
1220 bail_out_error2:
1221 	for (j = 0; j < N_OUT_URB; j++)
1222 		kfree(portdata->out_buffer[j]);
1223 bail_out_error:
1224 	for (j = 0; j < N_IN_URB; j++)
1225 		if (portdata->in_buffer[j])
1226 			free_page((unsigned long)portdata->in_buffer[j]);
1227 	kfree(portdata);
1228 	return 1;
1229 }
1230 
1231 static void stop_read_write_urbs(struct usb_serial *serial)
1232 {
1233 	int i, j;
1234 	struct usb_serial_port *port;
1235 	struct option_port_private *portdata;
1236 
1237 	/* Stop reading/writing urbs */
1238 	for (i = 0; i < serial->num_ports; ++i) {
1239 		port = serial->port[i];
1240 		portdata = usb_get_serial_port_data(port);
1241 		for (j = 0; j < N_IN_URB; j++)
1242 			usb_kill_urb(portdata->in_urbs[j]);
1243 		for (j = 0; j < N_OUT_URB; j++)
1244 			usb_kill_urb(portdata->out_urbs[j]);
1245 	}
1246 }
1247 
1248 static void option_disconnect(struct usb_serial *serial)
1249 {
1250 	dbg("%s", __func__);
1251 
1252 	stop_read_write_urbs(serial);
1253 }
1254 
1255 static void option_release(struct usb_serial *serial)
1256 {
1257 	int i, j;
1258 	struct usb_serial_port *port;
1259 	struct option_port_private *portdata;
1260 
1261 	dbg("%s", __func__);
1262 
1263 	/* Now free them */
1264 	for (i = 0; i < serial->num_ports; ++i) {
1265 		port = serial->port[i];
1266 		portdata = usb_get_serial_port_data(port);
1267 
1268 		for (j = 0; j < N_IN_URB; j++) {
1269 			if (portdata->in_urbs[j]) {
1270 				usb_free_urb(portdata->in_urbs[j]);
1271 				free_page((unsigned long)
1272 					portdata->in_buffer[j]);
1273 				portdata->in_urbs[j] = NULL;
1274 			}
1275 		}
1276 		for (j = 0; j < N_OUT_URB; j++) {
1277 			if (portdata->out_urbs[j]) {
1278 				usb_free_urb(portdata->out_urbs[j]);
1279 				kfree(portdata->out_buffer[j]);
1280 				portdata->out_urbs[j] = NULL;
1281 			}
1282 		}
1283 	}
1284 
1285 	/* Now free per port private data */
1286 	for (i = 0; i < serial->num_ports; i++) {
1287 		port = serial->port[i];
1288 		kfree(usb_get_serial_port_data(port));
1289 	}
1290 }
1291 
1292 #ifdef CONFIG_PM
1293 static int option_suspend(struct usb_serial *serial, pm_message_t message)
1294 {
1295 	struct option_intf_private *intfdata = serial->private;
1296 	int b;
1297 
1298 	dbg("%s entered", __func__);
1299 
1300 	if (serial->dev->auto_pm) {
1301 		spin_lock_irq(&intfdata->susp_lock);
1302 		b = intfdata->in_flight;
1303 		spin_unlock_irq(&intfdata->susp_lock);
1304 
1305 		if (b)
1306 			return -EBUSY;
1307 	}
1308 
1309 	spin_lock_irq(&intfdata->susp_lock);
1310 	intfdata->suspended = 1;
1311 	spin_unlock_irq(&intfdata->susp_lock);
1312 	stop_read_write_urbs(serial);
1313 
1314 	return 0;
1315 }
1316 
1317 static void play_delayed(struct usb_serial_port *port)
1318 {
1319 	struct option_intf_private *data;
1320 	struct option_port_private *portdata;
1321 	struct urb *urb;
1322 	int err;
1323 
1324 	portdata = usb_get_serial_port_data(port);
1325 	data = port->serial->private;
1326 	while ((urb = usb_get_from_anchor(&portdata->delayed))) {
1327 		err = usb_submit_urb(urb, GFP_ATOMIC);
1328 		if (!err)
1329 			data->in_flight++;
1330 	}
1331 }
1332 
1333 static int option_resume(struct usb_serial *serial)
1334 {
1335 	int i, j;
1336 	struct usb_serial_port *port;
1337 	struct option_intf_private *intfdata = serial->private;
1338 	struct option_port_private *portdata;
1339 	struct urb *urb;
1340 	int err = 0;
1341 
1342 	dbg("%s entered", __func__);
1343 	/* get the interrupt URBs resubmitted unconditionally */
1344 	for (i = 0; i < serial->num_ports; i++) {
1345 		port = serial->port[i];
1346 		if (!port->interrupt_in_urb) {
1347 			dbg("%s: No interrupt URB for port %d\n", __func__, i);
1348 			continue;
1349 		}
1350 		err = usb_submit_urb(port->interrupt_in_urb, GFP_NOIO);
1351 		dbg("Submitted interrupt URB for port %d (result %d)", i, err);
1352 		if (err < 0) {
1353 			err("%s: Error %d for interrupt URB of port%d",
1354 				 __func__, err, i);
1355 			goto err_out;
1356 		}
1357 	}
1358 
1359 	for (i = 0; i < serial->num_ports; i++) {
1360 		/* walk all ports */
1361 		port = serial->port[i];
1362 		portdata = usb_get_serial_port_data(port);
1363 
1364 		/* skip closed ports */
1365 		spin_lock_irq(&intfdata->susp_lock);
1366 		if (!portdata->opened) {
1367 			spin_unlock_irq(&intfdata->susp_lock);
1368 			continue;
1369 		}
1370 
1371 		for (j = 0; j < N_IN_URB; j++) {
1372 			urb = portdata->in_urbs[j];
1373 			err = usb_submit_urb(urb, GFP_ATOMIC);
1374 			if (err < 0) {
1375 				err("%s: Error %d for bulk URB %d",
1376 					 __func__, err, i);
1377 				spin_unlock_irq(&intfdata->susp_lock);
1378 				goto err_out;
1379 			}
1380 		}
1381 		play_delayed(port);
1382 		spin_unlock_irq(&intfdata->susp_lock);
1383 	}
1384 	spin_lock_irq(&intfdata->susp_lock);
1385 	intfdata->suspended = 0;
1386 	spin_unlock_irq(&intfdata->susp_lock);
1387 err_out:
1388 	return err;
1389 }
1390 #endif
1391 
1392 MODULE_AUTHOR(DRIVER_AUTHOR);
1393 MODULE_DESCRIPTION(DRIVER_DESC);
1394 MODULE_VERSION(DRIVER_VERSION);
1395 MODULE_LICENSE("GPL");
1396 
1397 module_param(debug, bool, S_IRUGO | S_IWUSR);
1398 MODULE_PARM_DESC(debug, "Debug messages");
1399