xref: /linux/drivers/usb/serial/option.c (revision 27258e448eb301cf89e351df87aa8cb916653bf2)
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 
295 /* ZTE PRODUCTS */
296 #define ZTE_VENDOR_ID				0x19d2
297 #define ZTE_PRODUCT_MF622			0x0001
298 #define ZTE_PRODUCT_MF628			0x0015
299 #define ZTE_PRODUCT_MF626			0x0031
300 #define ZTE_PRODUCT_CDMA_TECH			0xfffe
301 #define ZTE_PRODUCT_AC8710			0xfff1
302 
303 #define BENQ_VENDOR_ID				0x04a5
304 #define BENQ_PRODUCT_H10			0x4068
305 
306 #define DLINK_VENDOR_ID				0x1186
307 #define DLINK_PRODUCT_DWM_652			0x3e04
308 
309 #define QISDA_VENDOR_ID				0x1da5
310 #define QISDA_PRODUCT_H21_4512			0x4512
311 #define QISDA_PRODUCT_H21_4523			0x4523
312 #define QISDA_PRODUCT_H20_4515			0x4515
313 #define QISDA_PRODUCT_H20_4519			0x4519
314 
315 
316 /* TOSHIBA PRODUCTS */
317 #define TOSHIBA_VENDOR_ID			0x0930
318 #define TOSHIBA_PRODUCT_HSDPA_MINICARD		0x1302
319 
320 #define ALINK_VENDOR_ID				0x1e0e
321 #define ALINK_PRODUCT_3GU			0x9200
322 
323 /* ALCATEL PRODUCTS */
324 #define ALCATEL_VENDOR_ID			0x1bbb
325 #define ALCATEL_PRODUCT_X060S			0x0000
326 
327 
328 static struct usb_device_id option_ids[] = {
329 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
330 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
331 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_LIGHT) },
332 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD) },
333 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD_LIGHT) },
334 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS) },
335 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_LIGHT) },
336 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD) },
337 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD_LIGHT) },
338 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA) },
339 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA_BUS) },
340 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER) },
341 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER_BUS) },
342 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GT_MAX_READY) },
343 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_LIGHT) },
344 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_GT) },
345 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_EX) },
346 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_KOI_MODEM) },
347 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_MODEM) },
348 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM) },
349 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_LITE) },
350 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_GT) },
351 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_EX) },
352 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_MODEM) },
353 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GTM380_MODEM) },
354 	{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_Q101) },
355 	{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_Q111) },
356 	{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GLX) },
357 	{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GKE) },
358 	{ USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GLE) },
359 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E600, 0xff, 0xff, 0xff) },
360 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220, 0xff, 0xff, 0xff) },
361 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220BIS, 0xff, 0xff, 0xff) },
362 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1401, 0xff, 0xff, 0xff) },
363 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1402, 0xff, 0xff, 0xff) },
364 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1403, 0xff, 0xff, 0xff) },
365 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1404, 0xff, 0xff, 0xff) },
366 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1405, 0xff, 0xff, 0xff) },
367 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1406, 0xff, 0xff, 0xff) },
368 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1407, 0xff, 0xff, 0xff) },
369 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1408, 0xff, 0xff, 0xff) },
370 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1409, 0xff, 0xff, 0xff) },
371 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140A, 0xff, 0xff, 0xff) },
372 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140B, 0xff, 0xff, 0xff) },
373 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140C, 0xff, 0xff, 0xff) },
374 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140D, 0xff, 0xff, 0xff) },
375 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140E, 0xff, 0xff, 0xff) },
376 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140F, 0xff, 0xff, 0xff) },
377 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1410, 0xff, 0xff, 0xff) },
378 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1411, 0xff, 0xff, 0xff) },
379 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1412, 0xff, 0xff, 0xff) },
380 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1413, 0xff, 0xff, 0xff) },
381 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1414, 0xff, 0xff, 0xff) },
382 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1415, 0xff, 0xff, 0xff) },
383 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1416, 0xff, 0xff, 0xff) },
384 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1417, 0xff, 0xff, 0xff) },
385 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1418, 0xff, 0xff, 0xff) },
386 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1419, 0xff, 0xff, 0xff) },
387 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141A, 0xff, 0xff, 0xff) },
388 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141B, 0xff, 0xff, 0xff) },
389 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141C, 0xff, 0xff, 0xff) },
390 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141D, 0xff, 0xff, 0xff) },
391 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141E, 0xff, 0xff, 0xff) },
392 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141F, 0xff, 0xff, 0xff) },
393 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1420, 0xff, 0xff, 0xff) },
394 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1421, 0xff, 0xff, 0xff) },
395 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1422, 0xff, 0xff, 0xff) },
396 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1423, 0xff, 0xff, 0xff) },
397 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1424, 0xff, 0xff, 0xff) },
398 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1425, 0xff, 0xff, 0xff) },
399 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1426, 0xff, 0xff, 0xff) },
400 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1427, 0xff, 0xff, 0xff) },
401 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1428, 0xff, 0xff, 0xff) },
402 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1429, 0xff, 0xff, 0xff) },
403 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142A, 0xff, 0xff, 0xff) },
404 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142B, 0xff, 0xff, 0xff) },
405 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142C, 0xff, 0xff, 0xff) },
406 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142D, 0xff, 0xff, 0xff) },
407 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142E, 0xff, 0xff, 0xff) },
408 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142F, 0xff, 0xff, 0xff) },
409 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1430, 0xff, 0xff, 0xff) },
410 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1431, 0xff, 0xff, 0xff) },
411 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1432, 0xff, 0xff, 0xff) },
412 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1433, 0xff, 0xff, 0xff) },
413 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1434, 0xff, 0xff, 0xff) },
414 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1435, 0xff, 0xff, 0xff) },
415 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1436, 0xff, 0xff, 0xff) },
416 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1437, 0xff, 0xff, 0xff) },
417 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1438, 0xff, 0xff, 0xff) },
418 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1439, 0xff, 0xff, 0xff) },
419 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143A, 0xff, 0xff, 0xff) },
420 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143B, 0xff, 0xff, 0xff) },
421 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143C, 0xff, 0xff, 0xff) },
422 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143D, 0xff, 0xff, 0xff) },
423 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143E, 0xff, 0xff, 0xff) },
424 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143F, 0xff, 0xff, 0xff) },
425 	{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_9508) },
426 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) }, /* Novatel Merlin V640/XV620 */
427 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) }, /* Novatel Merlin V620/S620 */
428 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V740) }, /* Novatel Merlin EX720/V740/X720 */
429 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V720) }, /* Novatel Merlin V720/S720/PC720 */
430 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U730) }, /* Novatel U730/U740 (VF version) */
431 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U740) }, /* Novatel U740 */
432 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U870) }, /* Novatel U870 */
433 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_XU870) }, /* Novatel Merlin XU870 HSDPA/3G */
434 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_X950D) }, /* Novatel X950D */
435 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EV620) }, /* Novatel EV620/ES620 CDMA/EV-DO */
436 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_ES720) }, /* Novatel ES620/ES720/U720/USB720 */
437 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E725) }, /* Novatel E725/E726 */
438 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_ES620) }, /* Novatel Merlin ES620 SM Bus */
439 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU730) }, /* Novatel EU730 and Vodafone EU740 */
440 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU740) }, /* Novatel non-Vodafone EU740 */
441 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU870D) }, /* Novatel EU850D/EU860D/EU870D */
442 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC950D) }, /* Novatel MC930D/MC950D */
443 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC727) }, /* Novatel MC727/U727/USB727 */
444 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC727_NEW) }, /* Novatel MC727/U727/USB727 refresh */
445 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U727) }, /* Novatel MC727/U727/USB727 */
446 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC760) }, /* Novatel MC760/U760/USB760 */
447 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_OVMC760) }, /* Novatel Ovation MC760 */
448 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_FULLSPEED) }, /* Novatel HSPA product */
449 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_EMBEDDED_FULLSPEED) }, /* Novatel EVDO Embedded product */
450 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_FULLSPEED) }, /* Novatel HSPA Embedded product */
451 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_HIGHSPEED) }, /* Novatel EVDO product */
452 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_HIGHSPEED) }, /* Novatel HSPA product */
453 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_EMBEDDED_HIGHSPEED) }, /* Novatel EVDO Embedded product */
454 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_HIGHSPEED) }, /* Novatel HSPA Embedded product */
455 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_GLOBAL) }, /* Novatel Global product */
456 
457 	{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01) },
458 	{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01A) },
459 	{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H02) },
460 
461 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5700_MINICARD) },		/* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite EV620 CDMA/EV-DO */
462 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5500_MINICARD) },		/* Dell Wireless 5500 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */
463 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5505_MINICARD) },		/* Dell Wireless 5505 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */
464 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5700_EXPRESSCARD) },		/* Dell Wireless 5700 Mobile Broadband CDMA/EVDO ExpressCard == Novatel Merlin XV620 CDMA/EV-DO */
465 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5510_EXPRESSCARD) },		/* Dell Wireless 5510 Mobile Broadband HSDPA ExpressCard == Novatel Merlin XU870 HSDPA/3G */
466 	{ 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 */
467 	{ 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 */
468 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5720_MINICARD_VZW) }, 	/* Dell Wireless 5720 == Novatel EV620 CDMA/EV-DO */
469 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5720_MINICARD_SPRINT) }, 	/* Dell Wireless 5720 == Novatel EV620 CDMA/EV-DO */
470 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5720_MINICARD_TELUS) }, 	/* Dell Wireless 5720 == Novatel EV620 CDMA/EV-DO */
471 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5520_MINICARD_CINGULAR) },	/* Dell Wireless HSDPA 5520 == Novatel Expedite EU860D */
472 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5520_MINICARD_GENERIC_L) },	/* Dell Wireless HSDPA 5520 */
473 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5520_MINICARD_GENERIC_I) },	/* Dell Wireless 5520 Voda I Mobile Broadband (3G HSDPA) Minicard */
474 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_SPRINT) },	/* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
475 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_TELUS) },	/* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
476 	{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_VZW) }, 	/* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
477 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) },	/* ADU-E100, ADU-310 */
478 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) },
479 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_620UW) },
480 	{ USB_DEVICE(AXESSTEL_VENDOR_ID, AXESSTEL_PRODUCT_MV110H) },
481 	{ USB_DEVICE(YISO_VENDOR_ID, YISO_PRODUCT_U893) },
482 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_1) },
483 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_2) },
484 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1004) },
485 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1005) },
486 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1006) },
487 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1007) },
488 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1008) },
489 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1009) },
490 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100A) },
491 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100B) },
492 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100C) },
493 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100D) },
494 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100E) },
495 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_100F) },
496 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1010) },
497 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1011) },
498 	{ USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_1012) },
499 	{ USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC650) },
500 	{ USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) },
501 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6000)}, /* ZTE AC8700 */
502 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
503 	{ USB_DEVICE(MAXON_VENDOR_ID, 0x6280) }, /* BP3-USB & BP3-EXT HSDPA */
504 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },
505 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */
506 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0002, 0xff, 0xff, 0xff) },
507 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0003, 0xff, 0xff, 0xff) },
508 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0004, 0xff, 0xff, 0xff) },
509 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0005, 0xff, 0xff, 0xff) },
510 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0006, 0xff, 0xff, 0xff) },
511 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0007, 0xff, 0xff, 0xff) },
512 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0008, 0xff, 0xff, 0xff) },
513 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0009, 0xff, 0xff, 0xff) },
514 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000a, 0xff, 0xff, 0xff) },
515 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000b, 0xff, 0xff, 0xff) },
516 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000c, 0xff, 0xff, 0xff) },
517 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000d, 0xff, 0xff, 0xff) },
518 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000e, 0xff, 0xff, 0xff) },
519 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x000f, 0xff, 0xff, 0xff) },
520 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0010, 0xff, 0xff, 0xff) },
521 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0011, 0xff, 0xff, 0xff) },
522 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0012, 0xff, 0xff, 0xff) },
523 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0013, 0xff, 0xff, 0xff) },
524 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF628, 0xff, 0xff, 0xff) },
525 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0016, 0xff, 0xff, 0xff) },
526 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0017, 0xff, 0xff, 0xff) },
527 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0018, 0xff, 0xff, 0xff) },
528 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0019, 0xff, 0xff, 0xff) },
529 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0020, 0xff, 0xff, 0xff) },
530 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0021, 0xff, 0xff, 0xff) },
531 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0022, 0xff, 0xff, 0xff) },
532 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0023, 0xff, 0xff, 0xff) },
533 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0024, 0xff, 0xff, 0xff) },
534 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0025, 0xff, 0xff, 0xff) },
535 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0026, 0xff, 0xff, 0xff) },
536 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0028, 0xff, 0xff, 0xff) },
537 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0029, 0xff, 0xff, 0xff) },
538 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0030, 0xff, 0xff, 0xff) },
539 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF626, 0xff, 0xff, 0xff) },
540 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0032, 0xff, 0xff, 0xff) },
541 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0033, 0xff, 0xff, 0xff) },
542 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0037, 0xff, 0xff, 0xff) },
543 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0039, 0xff, 0xff, 0xff) },
544 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0042, 0xff, 0xff, 0xff) },
545 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0043, 0xff, 0xff, 0xff) },
546 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0048, 0xff, 0xff, 0xff) },
547 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0049, 0xff, 0xff, 0xff) },
548 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0051, 0xff, 0xff, 0xff) },
549 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0052, 0xff, 0xff, 0xff) },
550 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0054, 0xff, 0xff, 0xff) },
551 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0055, 0xff, 0xff, 0xff) },
552 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0057, 0xff, 0xff, 0xff) },
553 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0058, 0xff, 0xff, 0xff) },
554 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0061, 0xff, 0xff, 0xff) },
555 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0062, 0xff, 0xff, 0xff) },
556 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0063, 0xff, 0xff, 0xff) },
557 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0064, 0xff, 0xff, 0xff) },
558 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0066, 0xff, 0xff, 0xff) },
559 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0069, 0xff, 0xff, 0xff) },
560 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0076, 0xff, 0xff, 0xff) },
561 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0078, 0xff, 0xff, 0xff) },
562 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0082, 0xff, 0xff, 0xff) },
563 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0086, 0xff, 0xff, 0xff) },
564 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x2002, 0xff, 0xff, 0xff) },
565 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x2003, 0xff, 0xff, 0xff) },
566 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0014, 0xff, 0xff, 0xff) }, /* ZTE CDMA products */
567 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0027, 0xff, 0xff, 0xff) },
568 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0059, 0xff, 0xff, 0xff) },
569 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0060, 0xff, 0xff, 0xff) },
570 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0070, 0xff, 0xff, 0xff) },
571 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0073, 0xff, 0xff, 0xff) },
572 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_CDMA_TECH, 0xff, 0xff, 0xff) },
573 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC8710, 0xff, 0xff, 0xff) },
574 	{ USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) },
575 	{ USB_DEVICE(DLINK_VENDOR_ID, DLINK_PRODUCT_DWM_652) },
576 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4512) },
577 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4523) },
578 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H20_4515) },
579 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H20_4519) },
580 	{ USB_DEVICE(TOSHIBA_VENDOR_ID, TOSHIBA_PRODUCT_HSDPA_MINICARD ) }, /* Toshiba 3G HSDPA == Novatel Expedite EU870D MiniCard */
581 	{ USB_DEVICE(ALINK_VENDOR_ID, 0x9000) },
582 	{ USB_DEVICE_AND_INTERFACE_INFO(ALINK_VENDOR_ID, ALINK_PRODUCT_3GU, 0xff, 0xff, 0xff) },
583 	{ USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S) },
584 	{ } /* Terminating entry */
585 };
586 MODULE_DEVICE_TABLE(usb, option_ids);
587 
588 static struct usb_driver option_driver = {
589 	.name       = "option",
590 	.probe      = usb_serial_probe,
591 	.disconnect = usb_serial_disconnect,
592 #ifdef CONFIG_PM
593 	.suspend    = usb_serial_suspend,
594 	.resume     = usb_serial_resume,
595 #endif
596 	.id_table   = option_ids,
597 	.no_dynamic_id = 	1,
598 };
599 
600 /* The card has three separate interfaces, which the serial driver
601  * recognizes separately, thus num_port=1.
602  */
603 
604 static struct usb_serial_driver option_1port_device = {
605 	.driver = {
606 		.owner =	THIS_MODULE,
607 		.name =		"option1",
608 	},
609 	.description       = "GSM modem (1-port)",
610 	.usb_driver        = &option_driver,
611 	.id_table          = option_ids,
612 	.num_ports         = 1,
613 	.probe             = option_probe,
614 	.open              = option_open,
615 	.close             = option_close,
616 	.dtr_rts	   = option_dtr_rts,
617 	.write             = option_write,
618 	.write_room        = option_write_room,
619 	.chars_in_buffer   = option_chars_in_buffer,
620 	.set_termios       = option_set_termios,
621 	.tiocmget          = option_tiocmget,
622 	.tiocmset          = option_tiocmset,
623 	.attach            = option_startup,
624 	.disconnect        = option_disconnect,
625 	.release           = option_release,
626 	.read_int_callback = option_instat_callback,
627 #ifdef CONFIG_PM
628 	.suspend           = option_suspend,
629 	.resume            = option_resume,
630 #endif
631 };
632 
633 static int debug;
634 
635 /* per port private data */
636 
637 #define N_IN_URB 4
638 #define N_OUT_URB 4
639 #define IN_BUFLEN 4096
640 #define OUT_BUFLEN 4096
641 
642 struct option_port_private {
643 	/* Input endpoints and buffer for this port */
644 	struct urb *in_urbs[N_IN_URB];
645 	u8 *in_buffer[N_IN_URB];
646 	/* Output endpoints and buffer for this port */
647 	struct urb *out_urbs[N_OUT_URB];
648 	u8 *out_buffer[N_OUT_URB];
649 	unsigned long out_busy;		/* Bit vector of URBs in use */
650 
651 	/* Settings for the port */
652 	int rts_state;	/* Handshaking pins (outputs) */
653 	int dtr_state;
654 	int cts_state;	/* Handshaking pins (inputs) */
655 	int dsr_state;
656 	int dcd_state;
657 	int ri_state;
658 
659 	unsigned long tx_start_time[N_OUT_URB];
660 };
661 
662 /* Functions used by new usb-serial code. */
663 static int __init option_init(void)
664 {
665 	int retval;
666 	retval = usb_serial_register(&option_1port_device);
667 	if (retval)
668 		goto failed_1port_device_register;
669 	retval = usb_register(&option_driver);
670 	if (retval)
671 		goto failed_driver_register;
672 
673 	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
674 	       DRIVER_DESC "\n");
675 
676 	return 0;
677 
678 failed_driver_register:
679 	usb_serial_deregister(&option_1port_device);
680 failed_1port_device_register:
681 	return retval;
682 }
683 
684 static void __exit option_exit(void)
685 {
686 	usb_deregister(&option_driver);
687 	usb_serial_deregister(&option_1port_device);
688 }
689 
690 module_init(option_init);
691 module_exit(option_exit);
692 
693 static int option_probe(struct usb_serial *serial,
694 			const struct usb_device_id *id)
695 {
696 	/* D-Link DWM 652 still exposes CD-Rom emulation interface in modem mode */
697 	if (serial->dev->descriptor.idVendor == DLINK_VENDOR_ID &&
698 		serial->dev->descriptor.idProduct == DLINK_PRODUCT_DWM_652 &&
699 		serial->interface->cur_altsetting->desc.bInterfaceClass == 0x8)
700 		return -ENODEV;
701 
702 	return 0;
703 }
704 
705 static void option_set_termios(struct tty_struct *tty,
706 		struct usb_serial_port *port, struct ktermios *old_termios)
707 {
708 	dbg("%s", __func__);
709 	/* Doesn't support option setting */
710 	tty_termios_copy_hw(tty->termios, old_termios);
711 	option_send_setup(port);
712 }
713 
714 static int option_tiocmget(struct tty_struct *tty, struct file *file)
715 {
716 	struct usb_serial_port *port = tty->driver_data;
717 	unsigned int value;
718 	struct option_port_private *portdata;
719 
720 	portdata = usb_get_serial_port_data(port);
721 
722 	value = ((portdata->rts_state) ? TIOCM_RTS : 0) |
723 		((portdata->dtr_state) ? TIOCM_DTR : 0) |
724 		((portdata->cts_state) ? TIOCM_CTS : 0) |
725 		((portdata->dsr_state) ? TIOCM_DSR : 0) |
726 		((portdata->dcd_state) ? TIOCM_CAR : 0) |
727 		((portdata->ri_state) ? TIOCM_RNG : 0);
728 
729 	return value;
730 }
731 
732 static int option_tiocmset(struct tty_struct *tty, struct file *file,
733 			unsigned int set, unsigned int clear)
734 {
735 	struct usb_serial_port *port = tty->driver_data;
736 	struct option_port_private *portdata;
737 
738 	portdata = usb_get_serial_port_data(port);
739 
740 	/* FIXME: what locks portdata fields ? */
741 	if (set & TIOCM_RTS)
742 		portdata->rts_state = 1;
743 	if (set & TIOCM_DTR)
744 		portdata->dtr_state = 1;
745 
746 	if (clear & TIOCM_RTS)
747 		portdata->rts_state = 0;
748 	if (clear & TIOCM_DTR)
749 		portdata->dtr_state = 0;
750 	return option_send_setup(port);
751 }
752 
753 /* Write */
754 static int option_write(struct tty_struct *tty, struct usb_serial_port *port,
755 			const unsigned char *buf, int count)
756 {
757 	struct option_port_private *portdata;
758 	int i;
759 	int left, todo;
760 	struct urb *this_urb = NULL; /* spurious */
761 	int err;
762 
763 	portdata = usb_get_serial_port_data(port);
764 
765 	dbg("%s: write (%d chars)", __func__, count);
766 
767 	i = 0;
768 	left = count;
769 	for (i = 0; left > 0 && i < N_OUT_URB; i++) {
770 		todo = left;
771 		if (todo > OUT_BUFLEN)
772 			todo = OUT_BUFLEN;
773 
774 		this_urb = portdata->out_urbs[i];
775 		if (test_and_set_bit(i, &portdata->out_busy)) {
776 			if (time_before(jiffies,
777 					portdata->tx_start_time[i] + 10 * HZ))
778 				continue;
779 			usb_unlink_urb(this_urb);
780 			continue;
781 		}
782 		dbg("%s: endpoint %d buf %d", __func__,
783 			usb_pipeendpoint(this_urb->pipe), i);
784 
785 		/* send the data */
786 		memcpy(this_urb->transfer_buffer, buf, todo);
787 		this_urb->transfer_buffer_length = todo;
788 
789 		err = usb_submit_urb(this_urb, GFP_ATOMIC);
790 		if (err) {
791 			dbg("usb_submit_urb %p (write bulk) failed "
792 				"(%d)", this_urb, err);
793 			clear_bit(i, &portdata->out_busy);
794 			continue;
795 		}
796 		portdata->tx_start_time[i] = jiffies;
797 		buf += todo;
798 		left -= todo;
799 	}
800 
801 	count -= left;
802 	dbg("%s: wrote (did %d)", __func__, count);
803 	return count;
804 }
805 
806 static void option_indat_callback(struct urb *urb)
807 {
808 	int err;
809 	int endpoint;
810 	struct usb_serial_port *port;
811 	struct tty_struct *tty;
812 	unsigned char *data = urb->transfer_buffer;
813 	int status = urb->status;
814 
815 	dbg("%s: %p", __func__, urb);
816 
817 	endpoint = usb_pipeendpoint(urb->pipe);
818 	port =  urb->context;
819 
820 	if (status) {
821 		dbg("%s: nonzero status: %d on endpoint %02x.",
822 		    __func__, status, endpoint);
823 	} else {
824 		tty = tty_port_tty_get(&port->port);
825 		if (urb->actual_length) {
826 			tty_buffer_request_room(tty, urb->actual_length);
827 			tty_insert_flip_string(tty, data, urb->actual_length);
828 			tty_flip_buffer_push(tty);
829 		} else
830 			dbg("%s: empty read urb received", __func__);
831 		tty_kref_put(tty);
832 
833 		/* Resubmit urb so we continue receiving */
834 		if (port->port.count && status != -ESHUTDOWN) {
835 			err = usb_submit_urb(urb, GFP_ATOMIC);
836 			if (err)
837 				printk(KERN_ERR "%s: resubmit read urb failed. "
838 					"(%d)", __func__, err);
839 		}
840 	}
841 	return;
842 }
843 
844 static void option_outdat_callback(struct urb *urb)
845 {
846 	struct usb_serial_port *port;
847 	struct option_port_private *portdata;
848 	int i;
849 
850 	dbg("%s", __func__);
851 
852 	port =  urb->context;
853 
854 	usb_serial_port_softint(port);
855 
856 	portdata = usb_get_serial_port_data(port);
857 	for (i = 0; i < N_OUT_URB; ++i) {
858 		if (portdata->out_urbs[i] == urb) {
859 			smp_mb__before_clear_bit();
860 			clear_bit(i, &portdata->out_busy);
861 			break;
862 		}
863 	}
864 }
865 
866 static void option_instat_callback(struct urb *urb)
867 {
868 	int err;
869 	int status = urb->status;
870 	struct usb_serial_port *port =  urb->context;
871 	struct option_port_private *portdata = usb_get_serial_port_data(port);
872 
873 	dbg("%s", __func__);
874 	dbg("%s: urb %p port %p has data %p", __func__, urb, port, portdata);
875 
876 	if (status == 0) {
877 		struct usb_ctrlrequest *req_pkt =
878 				(struct usb_ctrlrequest *)urb->transfer_buffer;
879 
880 		if (!req_pkt) {
881 			dbg("%s: NULL req_pkt\n", __func__);
882 			return;
883 		}
884 		if ((req_pkt->bRequestType == 0xA1) &&
885 				(req_pkt->bRequest == 0x20)) {
886 			int old_dcd_state;
887 			unsigned char signals = *((unsigned char *)
888 					urb->transfer_buffer +
889 					sizeof(struct usb_ctrlrequest));
890 
891 			dbg("%s: signal x%x", __func__, signals);
892 
893 			old_dcd_state = portdata->dcd_state;
894 			portdata->cts_state = 1;
895 			portdata->dcd_state = ((signals & 0x01) ? 1 : 0);
896 			portdata->dsr_state = ((signals & 0x02) ? 1 : 0);
897 			portdata->ri_state = ((signals & 0x08) ? 1 : 0);
898 
899 			if (old_dcd_state && !portdata->dcd_state) {
900 				struct tty_struct *tty =
901 						tty_port_tty_get(&port->port);
902 				if (tty && !C_CLOCAL(tty))
903 					tty_hangup(tty);
904 				tty_kref_put(tty);
905 			}
906 		} else {
907 			dbg("%s: type %x req %x", __func__,
908 				req_pkt->bRequestType, req_pkt->bRequest);
909 		}
910 	} else
911 		err("%s: error %d", __func__, status);
912 
913 	/* Resubmit urb so we continue receiving IRQ data */
914 	if (status != -ESHUTDOWN && status != -ENOENT) {
915 		err = usb_submit_urb(urb, GFP_ATOMIC);
916 		if (err)
917 			dbg("%s: resubmit intr urb failed. (%d)",
918 				__func__, err);
919 	}
920 }
921 
922 static int option_write_room(struct tty_struct *tty)
923 {
924 	struct usb_serial_port *port = tty->driver_data;
925 	struct option_port_private *portdata;
926 	int i;
927 	int data_len = 0;
928 	struct urb *this_urb;
929 
930 	portdata = usb_get_serial_port_data(port);
931 
932 	for (i = 0; i < N_OUT_URB; i++) {
933 		this_urb = portdata->out_urbs[i];
934 		if (this_urb && !test_bit(i, &portdata->out_busy))
935 			data_len += OUT_BUFLEN;
936 	}
937 
938 	dbg("%s: %d", __func__, data_len);
939 	return data_len;
940 }
941 
942 static int option_chars_in_buffer(struct tty_struct *tty)
943 {
944 	struct usb_serial_port *port = tty->driver_data;
945 	struct option_port_private *portdata;
946 	int i;
947 	int data_len = 0;
948 	struct urb *this_urb;
949 
950 	portdata = usb_get_serial_port_data(port);
951 
952 	for (i = 0; i < N_OUT_URB; i++) {
953 		this_urb = portdata->out_urbs[i];
954 		/* FIXME: This locking is insufficient as this_urb may
955 		   go unused during the test */
956 		if (this_urb && test_bit(i, &portdata->out_busy))
957 			data_len += this_urb->transfer_buffer_length;
958 	}
959 	dbg("%s: %d", __func__, data_len);
960 	return data_len;
961 }
962 
963 static int option_open(struct tty_struct *tty, struct usb_serial_port *port)
964 {
965 	struct option_port_private *portdata;
966 	int i, err;
967 	struct urb *urb;
968 
969 	portdata = usb_get_serial_port_data(port);
970 
971 	dbg("%s", __func__);
972 
973 	/* Start reading from the IN endpoint */
974 	for (i = 0; i < N_IN_URB; i++) {
975 		urb = portdata->in_urbs[i];
976 		if (!urb)
977 			continue;
978 		err = usb_submit_urb(urb, GFP_KERNEL);
979 		if (err) {
980 			dbg("%s: submit urb %d failed (%d) %d",
981 				__func__, i, err,
982 				urb->transfer_buffer_length);
983 		}
984 	}
985 
986 	option_send_setup(port);
987 
988 	return 0;
989 }
990 
991 static void option_dtr_rts(struct usb_serial_port *port, int on)
992 {
993 	struct usb_serial *serial = port->serial;
994 	struct option_port_private *portdata;
995 
996 	dbg("%s", __func__);
997 	portdata = usb_get_serial_port_data(port);
998 	mutex_lock(&serial->disc_mutex);
999 	portdata->rts_state = on;
1000 	portdata->dtr_state = on;
1001 	if (serial->dev)
1002 		option_send_setup(port);
1003 	mutex_unlock(&serial->disc_mutex);
1004 }
1005 
1006 
1007 static void option_close(struct usb_serial_port *port)
1008 {
1009 	int i;
1010 	struct usb_serial *serial = port->serial;
1011 	struct option_port_private *portdata;
1012 
1013 	dbg("%s", __func__);
1014 	portdata = usb_get_serial_port_data(port);
1015 
1016 	if (serial->dev) {
1017 		/* Stop reading/writing urbs */
1018 		for (i = 0; i < N_IN_URB; i++)
1019 			usb_kill_urb(portdata->in_urbs[i]);
1020 		for (i = 0; i < N_OUT_URB; i++)
1021 			usb_kill_urb(portdata->out_urbs[i]);
1022 	}
1023 }
1024 
1025 /* Helper functions used by option_setup_urbs */
1026 static struct urb *option_setup_urb(struct usb_serial *serial, int endpoint,
1027 		int dir, void *ctx, char *buf, int len,
1028 		void (*callback)(struct urb *))
1029 {
1030 	struct urb *urb;
1031 
1032 	if (endpoint == -1)
1033 		return NULL;		/* endpoint not needed */
1034 
1035 	urb = usb_alloc_urb(0, GFP_KERNEL);		/* No ISO */
1036 	if (urb == NULL) {
1037 		dbg("%s: alloc for endpoint %d failed.", __func__, endpoint);
1038 		return NULL;
1039 	}
1040 
1041 		/* Fill URB using supplied data. */
1042 	usb_fill_bulk_urb(urb, serial->dev,
1043 		      usb_sndbulkpipe(serial->dev, endpoint) | dir,
1044 		      buf, len, callback, ctx);
1045 
1046 	return urb;
1047 }
1048 
1049 /* Setup urbs */
1050 static void option_setup_urbs(struct usb_serial *serial)
1051 {
1052 	int i, j;
1053 	struct usb_serial_port *port;
1054 	struct option_port_private *portdata;
1055 
1056 	dbg("%s", __func__);
1057 
1058 	for (i = 0; i < serial->num_ports; i++) {
1059 		port = serial->port[i];
1060 		portdata = usb_get_serial_port_data(port);
1061 
1062 		/* Do indat endpoints first */
1063 		for (j = 0; j < N_IN_URB; ++j) {
1064 			portdata->in_urbs[j] = option_setup_urb(serial,
1065 					port->bulk_in_endpointAddress,
1066 					USB_DIR_IN, port,
1067 					portdata->in_buffer[j],
1068 					IN_BUFLEN, option_indat_callback);
1069 		}
1070 
1071 		/* outdat endpoints */
1072 		for (j = 0; j < N_OUT_URB; ++j) {
1073 			portdata->out_urbs[j] = option_setup_urb(serial,
1074 					port->bulk_out_endpointAddress,
1075 					USB_DIR_OUT, port,
1076 					portdata->out_buffer[j],
1077 					OUT_BUFLEN, option_outdat_callback);
1078 		}
1079 	}
1080 }
1081 
1082 
1083 /** send RTS/DTR state to the port.
1084  *
1085  * This is exactly the same as SET_CONTROL_LINE_STATE from the PSTN
1086  * CDC.
1087 */
1088 static int option_send_setup(struct usb_serial_port *port)
1089 {
1090 	struct usb_serial *serial = port->serial;
1091 	struct option_port_private *portdata;
1092 	int ifNum = serial->interface->cur_altsetting->desc.bInterfaceNumber;
1093 	int val = 0;
1094 	dbg("%s", __func__);
1095 
1096 	portdata = usb_get_serial_port_data(port);
1097 
1098 	if (portdata->dtr_state)
1099 		val |= 0x01;
1100 	if (portdata->rts_state)
1101 		val |= 0x02;
1102 
1103 	return usb_control_msg(serial->dev,
1104 		usb_rcvctrlpipe(serial->dev, 0),
1105 		0x22, 0x21, val, ifNum, NULL, 0, USB_CTRL_SET_TIMEOUT);
1106 }
1107 
1108 static int option_startup(struct usb_serial *serial)
1109 {
1110 	int i, j, err;
1111 	struct usb_serial_port *port;
1112 	struct option_port_private *portdata;
1113 	u8 *buffer;
1114 
1115 	dbg("%s", __func__);
1116 
1117 	/* Now setup per port private data */
1118 	for (i = 0; i < serial->num_ports; i++) {
1119 		port = serial->port[i];
1120 		portdata = kzalloc(sizeof(*portdata), GFP_KERNEL);
1121 		if (!portdata) {
1122 			dbg("%s: kmalloc for option_port_private (%d) failed!.",
1123 					__func__, i);
1124 			return 1;
1125 		}
1126 
1127 		for (j = 0; j < N_IN_URB; j++) {
1128 			buffer = (u8 *)__get_free_page(GFP_KERNEL);
1129 			if (!buffer)
1130 				goto bail_out_error;
1131 			portdata->in_buffer[j] = buffer;
1132 		}
1133 
1134 		for (j = 0; j < N_OUT_URB; j++) {
1135 			buffer = kmalloc(OUT_BUFLEN, GFP_KERNEL);
1136 			if (!buffer)
1137 				goto bail_out_error2;
1138 			portdata->out_buffer[j] = buffer;
1139 		}
1140 
1141 		usb_set_serial_port_data(port, portdata);
1142 
1143 		if (!port->interrupt_in_urb)
1144 			continue;
1145 		err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
1146 		if (err)
1147 			dbg("%s: submit irq_in urb failed %d",
1148 				__func__, err);
1149 	}
1150 	option_setup_urbs(serial);
1151 	return 0;
1152 
1153 bail_out_error2:
1154 	for (j = 0; j < N_OUT_URB; j++)
1155 		kfree(portdata->out_buffer[j]);
1156 bail_out_error:
1157 	for (j = 0; j < N_IN_URB; j++)
1158 		if (portdata->in_buffer[j])
1159 			free_page((unsigned long)portdata->in_buffer[j]);
1160 	kfree(portdata);
1161 	return 1;
1162 }
1163 
1164 static void stop_read_write_urbs(struct usb_serial *serial)
1165 {
1166 	int i, j;
1167 	struct usb_serial_port *port;
1168 	struct option_port_private *portdata;
1169 
1170 	/* Stop reading/writing urbs */
1171 	for (i = 0; i < serial->num_ports; ++i) {
1172 		port = serial->port[i];
1173 		portdata = usb_get_serial_port_data(port);
1174 		for (j = 0; j < N_IN_URB; j++)
1175 			usb_kill_urb(portdata->in_urbs[j]);
1176 		for (j = 0; j < N_OUT_URB; j++)
1177 			usb_kill_urb(portdata->out_urbs[j]);
1178 	}
1179 }
1180 
1181 static void option_disconnect(struct usb_serial *serial)
1182 {
1183 	dbg("%s", __func__);
1184 
1185 	stop_read_write_urbs(serial);
1186 }
1187 
1188 static void option_release(struct usb_serial *serial)
1189 {
1190 	int i, j;
1191 	struct usb_serial_port *port;
1192 	struct option_port_private *portdata;
1193 
1194 	dbg("%s", __func__);
1195 
1196 	/* Now free them */
1197 	for (i = 0; i < serial->num_ports; ++i) {
1198 		port = serial->port[i];
1199 		portdata = usb_get_serial_port_data(port);
1200 
1201 		for (j = 0; j < N_IN_URB; j++) {
1202 			if (portdata->in_urbs[j]) {
1203 				usb_free_urb(portdata->in_urbs[j]);
1204 				free_page((unsigned long)
1205 					portdata->in_buffer[j]);
1206 				portdata->in_urbs[j] = NULL;
1207 			}
1208 		}
1209 		for (j = 0; j < N_OUT_URB; j++) {
1210 			if (portdata->out_urbs[j]) {
1211 				usb_free_urb(portdata->out_urbs[j]);
1212 				kfree(portdata->out_buffer[j]);
1213 				portdata->out_urbs[j] = NULL;
1214 			}
1215 		}
1216 	}
1217 
1218 	/* Now free per port private data */
1219 	for (i = 0; i < serial->num_ports; i++) {
1220 		port = serial->port[i];
1221 		kfree(usb_get_serial_port_data(port));
1222 	}
1223 }
1224 
1225 #ifdef CONFIG_PM
1226 static int option_suspend(struct usb_serial *serial, pm_message_t message)
1227 {
1228 	dbg("%s entered", __func__);
1229 	stop_read_write_urbs(serial);
1230 
1231 	return 0;
1232 }
1233 
1234 static int option_resume(struct usb_serial *serial)
1235 {
1236 	int err, i, j;
1237 	struct usb_serial_port *port;
1238 	struct urb *urb;
1239 	struct option_port_private *portdata;
1240 
1241 	dbg("%s entered", __func__);
1242 	/* get the interrupt URBs resubmitted unconditionally */
1243 	for (i = 0; i < serial->num_ports; i++) {
1244 		port = serial->port[i];
1245 		if (!port->interrupt_in_urb) {
1246 			dbg("%s: No interrupt URB for port %d\n", __func__, i);
1247 			continue;
1248 		}
1249 		err = usb_submit_urb(port->interrupt_in_urb, GFP_NOIO);
1250 		dbg("Submitted interrupt URB for port %d (result %d)", i, err);
1251 		if (err < 0) {
1252 			err("%s: Error %d for interrupt URB of port%d",
1253 				 __func__, err, i);
1254 			return err;
1255 		}
1256 	}
1257 
1258 	for (i = 0; i < serial->num_ports; i++) {
1259 		/* walk all ports */
1260 		port = serial->port[i];
1261 		portdata = usb_get_serial_port_data(port);
1262 		mutex_lock(&port->mutex);
1263 
1264 		/* skip closed ports */
1265 		if (!port->port.count) {
1266 			mutex_unlock(&port->mutex);
1267 			continue;
1268 		}
1269 
1270 		for (j = 0; j < N_IN_URB; j++) {
1271 			urb = portdata->in_urbs[j];
1272 			err = usb_submit_urb(urb, GFP_NOIO);
1273 			if (err < 0) {
1274 				mutex_unlock(&port->mutex);
1275 				err("%s: Error %d for bulk URB %d",
1276 					 __func__, err, i);
1277 				return err;
1278 			}
1279 		}
1280 		mutex_unlock(&port->mutex);
1281 	}
1282 	return 0;
1283 }
1284 #endif
1285 
1286 MODULE_AUTHOR(DRIVER_AUTHOR);
1287 MODULE_DESCRIPTION(DRIVER_DESC);
1288 MODULE_VERSION(DRIVER_VERSION);
1289 MODULE_LICENSE("GPL");
1290 
1291 module_param(debug, bool, S_IRUGO | S_IWUSR);
1292 MODULE_PARM_DESC(debug, "Debug messages");
1293