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 "v0.7.1"
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_open(struct usb_serial_port *port, struct file *filp);
47 static void option_close(struct usb_serial_port *port, struct file *filp);
48 static int option_startup(struct usb_serial *serial);
49 static void option_shutdown(struct usb_serial *serial);
50 static void option_rx_throttle(struct usb_serial_port *port);
51 static void option_rx_unthrottle(struct usb_serial_port *port);
52 static int option_write_room(struct usb_serial_port *port);
53
54 static void option_instat_callback(struct urb *urb);
55
56 static int option_write(struct usb_serial_port *port,
57 const unsigned char *buf, int count);
58
59 static int option_chars_in_buffer(struct usb_serial_port *port);
60 static int option_ioctl(struct usb_serial_port *port, struct file *file,
61 unsigned int cmd, unsigned long arg);
62 static void option_set_termios(struct usb_serial_port *port,
63 struct ktermios *old);
64 static void option_break_ctl(struct usb_serial_port *port, int break_state);
65 static int option_tiocmget(struct usb_serial_port *port, struct file *file);
66 static int option_tiocmset(struct usb_serial_port *port, struct file *file,
67 unsigned int set, unsigned int clear);
68 static int option_send_setup(struct usb_serial_port *port);
69
70 /* Vendor and product IDs */
71 #define OPTION_VENDOR_ID 0x0AF0
72 #define OPTION_PRODUCT_COLT 0x5000
73 #define OPTION_PRODUCT_RICOLA 0x6000
74 #define OPTION_PRODUCT_RICOLA_LIGHT 0x6100
75 #define OPTION_PRODUCT_RICOLA_QUAD 0x6200
76 #define OPTION_PRODUCT_RICOLA_QUAD_LIGHT 0x6300
77 #define OPTION_PRODUCT_RICOLA_NDIS 0x6050
78 #define OPTION_PRODUCT_RICOLA_NDIS_LIGHT 0x6150
79 #define OPTION_PRODUCT_RICOLA_NDIS_QUAD 0x6250
80 #define OPTION_PRODUCT_RICOLA_NDIS_QUAD_LIGHT 0x6350
81 #define OPTION_PRODUCT_COBRA 0x6500
82 #define OPTION_PRODUCT_COBRA_BUS 0x6501
83 #define OPTION_PRODUCT_VIPER 0x6600
84 #define OPTION_PRODUCT_VIPER_BUS 0x6601
85 #define OPTION_PRODUCT_GT_MAX_READY 0x6701
86 #define OPTION_PRODUCT_GT_MAX 0x6711
87 #define OPTION_PRODUCT_FUJI_MODEM_LIGHT 0x6721
88 #define OPTION_PRODUCT_FUJI_MODEM_GT 0x6741
89 #define OPTION_PRODUCT_FUJI_MODEM_EX 0x6761
90 #define OPTION_PRODUCT_FUJI_NETWORK_LIGHT 0x6731
91 #define OPTION_PRODUCT_FUJI_NETWORK_GT 0x6751
92 #define OPTION_PRODUCT_FUJI_NETWORK_EX 0x6771
93 #define OPTION_PRODUCT_KOI_MODEM 0x6800
94 #define OPTION_PRODUCT_KOI_NETWORK 0x6811
95 #define OPTION_PRODUCT_SCORPION_MODEM 0x6901
96 #define OPTION_PRODUCT_SCORPION_NETWORK 0x6911
97 #define OPTION_PRODUCT_ETNA_MODEM 0x7001
98 #define OPTION_PRODUCT_ETNA_NETWORK 0x7011
99 #define OPTION_PRODUCT_ETNA_MODEM_LITE 0x7021
100 #define OPTION_PRODUCT_ETNA_MODEM_GT 0x7041
101 #define OPTION_PRODUCT_ETNA_MODEM_EX 0x7061
102 #define OPTION_PRODUCT_ETNA_NETWORK_LITE 0x7031
103 #define OPTION_PRODUCT_ETNA_NETWORK_GT 0x7051
104 #define OPTION_PRODUCT_ETNA_NETWORK_EX 0x7071
105 #define OPTION_PRODUCT_ETNA_KOI_MODEM 0x7100
106 #define OPTION_PRODUCT_ETNA_KOI_NETWORK 0x7111
107
108 #define HUAWEI_VENDOR_ID 0x12D1
109 #define HUAWEI_PRODUCT_E600 0x1001
110 #define HUAWEI_PRODUCT_E220 0x1003
111 #define HUAWEI_PRODUCT_E220BIS 0x1004
112 #define HUAWEI_PRODUCT_E1401 0x1401
113 #define HUAWEI_PRODUCT_E1403 0x1403
114 #define HUAWEI_PRODUCT_E1405 0x1405
115 #define HUAWEI_PRODUCT_E1406 0x1406
116 #define HUAWEI_PRODUCT_E1408 0x1408
117 #define HUAWEI_PRODUCT_E1409 0x1409
118 #define HUAWEI_PRODUCT_E1410 0x1410
119 #define HUAWEI_PRODUCT_E1411 0x1411
120 #define HUAWEI_PRODUCT_E1412 0x1412
121 #define HUAWEI_PRODUCT_E1413 0x1413
122 #define HUAWEI_PRODUCT_E1414 0x1414
123 #define HUAWEI_PRODUCT_E1415 0x1415
124 #define HUAWEI_PRODUCT_E1416 0x1416
125 #define HUAWEI_PRODUCT_E1417 0x1417
126 #define HUAWEI_PRODUCT_E1418 0x1418
127 #define HUAWEI_PRODUCT_E1419 0x1419
128
129 #define NOVATELWIRELESS_VENDOR_ID 0x1410
130
131 /* MERLIN EVDO PRODUCTS */
132 #define NOVATELWIRELESS_PRODUCT_V640 0x1100
133 #define NOVATELWIRELESS_PRODUCT_V620 0x1110
134 #define NOVATELWIRELESS_PRODUCT_V740 0x1120
135 #define NOVATELWIRELESS_PRODUCT_V720 0x1130
136
137 /* MERLIN HSDPA/HSPA PRODUCTS */
138 #define NOVATELWIRELESS_PRODUCT_U730 0x1400
139 #define NOVATELWIRELESS_PRODUCT_U740 0x1410
140 #define NOVATELWIRELESS_PRODUCT_U870 0x1420
141 #define NOVATELWIRELESS_PRODUCT_XU870 0x1430
142 #define NOVATELWIRELESS_PRODUCT_X950D 0x1450
143
144 /* EXPEDITE PRODUCTS */
145 #define NOVATELWIRELESS_PRODUCT_EV620 0x2100
146 #define NOVATELWIRELESS_PRODUCT_ES720 0x2110
147 #define NOVATELWIRELESS_PRODUCT_E725 0x2120
148 #define NOVATELWIRELESS_PRODUCT_ES620 0x2130
149 #define NOVATELWIRELESS_PRODUCT_EU730 0x2400
150 #define NOVATELWIRELESS_PRODUCT_EU740 0x2410
151 #define NOVATELWIRELESS_PRODUCT_EU870D 0x2420
152
153 /* OVATION PRODUCTS */
154 #define NOVATELWIRELESS_PRODUCT_MC727 0x4100
155 #define NOVATELWIRELESS_PRODUCT_MC950D 0x4400
156
157 /* FUTURE NOVATEL PRODUCTS */
158 #define NOVATELWIRELESS_PRODUCT_EVDO_1 0x6000
159 #define NOVATELWIRELESS_PRODUCT_HSPA_1 0x7000
160 #define NOVATELWIRELESS_PRODUCT_EMBEDDED_1 0x8000
161 #define NOVATELWIRELESS_PRODUCT_GLOBAL_1 0x9000
162 #define NOVATELWIRELESS_PRODUCT_EVDO_2 0x6001
163 #define NOVATELWIRELESS_PRODUCT_HSPA_2 0x7001
164 #define NOVATELWIRELESS_PRODUCT_EMBEDDED_2 0x8001
165 #define NOVATELWIRELESS_PRODUCT_GLOBAL_2 0x9001
166
167 /* AMOI PRODUCTS */
168 #define AMOI_VENDOR_ID 0x1614
169 #define AMOI_PRODUCT_H01 0x0800
170 #define AMOI_PRODUCT_H01A 0x7002
171 #define AMOI_PRODUCT_H02 0x0802
172
173 #define DELL_VENDOR_ID 0x413C
174
175 #define KYOCERA_VENDOR_ID 0x0c88
176 #define KYOCERA_PRODUCT_KPC680 0x180a
177
178 #define ANYDATA_VENDOR_ID 0x16d5
179 #define ANYDATA_PRODUCT_ADU_E100A 0x6501
180 #define ANYDATA_PRODUCT_ADU_500A 0x6502
181
182 #define AXESSTEL_VENDOR_ID 0x1726
183 #define AXESSTEL_PRODUCT_MV110H 0x1000
184
185 #define BANDRICH_VENDOR_ID 0x1A8D
186 #define BANDRICH_PRODUCT_C100_1 0x1002
187 #define BANDRICH_PRODUCT_C100_2 0x1003
188
189 #define AMOI_VENDOR_ID 0x1614
190 #define AMOI_PRODUCT_9508 0x0800
191
192 #define QUALCOMM_VENDOR_ID 0x05C6
193
194 #define MAXON_VENDOR_ID 0x16d8
195
196 #define TELIT_VENDOR_ID 0x1bc7
197 #define TELIT_PRODUCT_UC864E 0x1003
198
199 static struct usb_device_id option_ids[] = {
200 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
201 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
202 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_LIGHT) },
203 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD) },
204 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_QUAD_LIGHT) },
205 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS) },
206 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_LIGHT) },
207 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD) },
208 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_NDIS_QUAD_LIGHT) },
209 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA) },
210 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COBRA_BUS) },
211 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER) },
212 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER_BUS) },
213 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GT_MAX_READY) },
214 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GT_MAX) },
215 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_LIGHT) },
216 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_GT) },
217 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_EX) },
218 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_LIGHT) },
219 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_GT) },
220 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_EX) },
221 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_KOI_MODEM) },
222 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_KOI_NETWORK) },
223 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_MODEM) },
224 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_NETWORK) },
225 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM) },
226 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK) },
227 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_LITE) },
228 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_GT) },
229 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_EX) },
230 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_LITE) },
231 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_GT) },
232 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_EX) },
233 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_MODEM) },
234 { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_NETWORK) },
235 { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E600) },
236 { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220, 0xff, 0xff, 0xff) },
237 { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220BIS, 0xff, 0xff, 0xff) },
238 { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1401) },
239 { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1403) },
240 { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1405) },
241 { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1406) },
242 { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1408) },
243 { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1409) },
244 { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1410) },
245 { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1411) },
246 { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1412) },
247 { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1413) },
248 { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1414) },
249 { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1415) },
250 { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1416) },
251 { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1417) },
252 { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1418) },
253 { USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1419) },
254 { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_9508) },
255 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) }, /* Novatel Merlin V640/XV620 */
256 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) }, /* Novatel Merlin V620/S620 */
257 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V740) }, /* Novatel Merlin EX720/V740/X720 */
258 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V720) }, /* Novatel Merlin V720/S720/PC720 */
259 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U730) }, /* Novatel U730/U740 (VF version) */
260 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U740) }, /* Novatel U740 */
261 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U870) }, /* Novatel U870 */
262 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_XU870) }, /* Novatel Merlin XU870 HSDPA/3G */
263 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_X950D) }, /* Novatel X950D */
264 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EV620) }, /* Novatel EV620/ES620 CDMA/EV-DO */
265 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_ES720) }, /* Novatel ES620/ES720/U720/USB720 */
266 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E725) }, /* Novatel E725/E726 */
267 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_ES620) }, /* Novatel Merlin ES620 SM Bus */
268 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU730) }, /* Novatel EU730 and Vodafone EU740 */
269 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU740) }, /* Novatel non-Vodafone EU740 */
270 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EU870D) }, /* Novatel EU850D/EU860D/EU870D */
271 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC950D) }, /* Novatel MC930D/MC950D */
272 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC727) }, /* Novatel MC727/U727/USB727 */
273 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_1) }, /* Novatel EVDO product */
274 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_1) }, /* Novatel HSPA product */
275 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EMBEDDED_1) }, /* Novatel Embedded product */
276 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_GLOBAL_1) }, /* Novatel Global product */
277 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_2) }, /* Novatel EVDO product */
278 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_2) }, /* Novatel HSPA product */
279 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EMBEDDED_2) }, /* Novatel Embedded product */
280 { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_GLOBAL_2) }, /* Novatel Global product */
281
282 { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01) },
283 { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01A) },
284 { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H02) },
285
286 { USB_DEVICE(DELL_VENDOR_ID, 0x8114) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite EV620 CDMA/EV-DO */
287 { USB_DEVICE(DELL_VENDOR_ID, 0x8115) }, /* Dell Wireless 5500 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */
288 { USB_DEVICE(DELL_VENDOR_ID, 0x8116) }, /* Dell Wireless 5505 Mobile Broadband HSDPA Mini-Card == Novatel Expedite EU740 HSDPA/3G */
289 { USB_DEVICE(DELL_VENDOR_ID, 0x8117) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO ExpressCard == Novatel Merlin XV620 CDMA/EV-DO */
290 { USB_DEVICE(DELL_VENDOR_ID, 0x8118) }, /* Dell Wireless 5510 Mobile Broadband HSDPA ExpressCard == Novatel Merlin XU870 HSDPA/3G */
291 { USB_DEVICE(DELL_VENDOR_ID, 0x8128) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite E720 CDMA/EV-DO */
292 { USB_DEVICE(DELL_VENDOR_ID, 0x8129) }, /* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite ET620 CDMA/EV-DO */
293 { USB_DEVICE(DELL_VENDOR_ID, 0x8133) }, /* Dell Wireless 5720 == Novatel EV620 CDMA/EV-DO */
294 { USB_DEVICE(DELL_VENDOR_ID, 0x8136) }, /* Dell Wireless HSDPA 5520 == Novatel Expedite EU860D */
295 { USB_DEVICE(DELL_VENDOR_ID, 0x8137) }, /* Dell Wireless HSDPA 5520 */
296 { USB_DEVICE(DELL_VENDOR_ID, 0x8138) }, /* Dell Wireless 5520 Voda I Mobile Broadband (3G HSDPA) Minicard */
297 { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) },
298 { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) },
299 { USB_DEVICE(AXESSTEL_VENDOR_ID, AXESSTEL_PRODUCT_MV110H) },
300 { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_1) },
301 { USB_DEVICE(BANDRICH_VENDOR_ID, BANDRICH_PRODUCT_C100_2) },
302 { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) },
303 { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
304 { USB_DEVICE(MAXON_VENDOR_ID, 0x6280) }, /* BP3-USB & BP3-EXT HSDPA */
305 { USB_DEVICE(0x19d2, 0x0001) }, /* Telstra NextG CDMA */
306 { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },
307 { } /* Terminating entry */
308 };
309 MODULE_DEVICE_TABLE(usb, option_ids);
310
311 static struct usb_driver option_driver = {
312 .name = "option",
313 .probe = usb_serial_probe,
314 .disconnect = usb_serial_disconnect,
315 .id_table = option_ids,
316 .no_dynamic_id = 1,
317 };
318
319 /* The card has three separate interfaces, which the serial driver
320 * recognizes separately, thus num_port=1.
321 */
322
323 static struct usb_serial_driver option_1port_device = {
324 .driver = {
325 .owner = THIS_MODULE,
326 .name = "option1",
327 },
328 .description = "GSM modem (1-port)",
329 .usb_driver = &option_driver,
330 .id_table = option_ids,
331 .num_interrupt_in = NUM_DONT_CARE,
332 .num_bulk_in = NUM_DONT_CARE,
333 .num_bulk_out = NUM_DONT_CARE,
334 .num_ports = 1,
335 .open = option_open,
336 .close = option_close,
337 .write = option_write,
338 .write_room = option_write_room,
339 .chars_in_buffer = option_chars_in_buffer,
340 .throttle = option_rx_throttle,
341 .unthrottle = option_rx_unthrottle,
342 .ioctl = option_ioctl,
343 .set_termios = option_set_termios,
344 .break_ctl = option_break_ctl,
345 .tiocmget = option_tiocmget,
346 .tiocmset = option_tiocmset,
347 .attach = option_startup,
348 .shutdown = option_shutdown,
349 .read_int_callback = option_instat_callback,
350 };
351
352 #ifdef CONFIG_USB_DEBUG
353 static int debug;
354 #else
355 #define debug 0
356 #endif
357
358 /* per port private data */
359
360 #define N_IN_URB 4
361 #define N_OUT_URB 1
362 #define IN_BUFLEN 4096
363 #define OUT_BUFLEN 128
364
365 struct option_port_private {
366 /* Input endpoints and buffer for this port */
367 struct urb *in_urbs[N_IN_URB];
368 u8 *in_buffer[N_IN_URB];
369 /* Output endpoints and buffer for this port */
370 struct urb *out_urbs[N_OUT_URB];
371 u8 *out_buffer[N_OUT_URB];
372 unsigned long out_busy; /* Bit vector of URBs in use */
373
374 /* Settings for the port */
375 int rts_state; /* Handshaking pins (outputs) */
376 int dtr_state;
377 int cts_state; /* Handshaking pins (inputs) */
378 int dsr_state;
379 int dcd_state;
380 int ri_state;
381
382 unsigned long tx_start_time[N_OUT_URB];
383 };
384
385 /* Functions used by new usb-serial code. */
386 static int __init option_init(void)
387 {
388 int retval;
389 retval = usb_serial_register(&option_1port_device);
390 if (retval)
391 goto failed_1port_device_register;
392 retval = usb_register(&option_driver);
393 if (retval)
394 goto failed_driver_register;
395
396 info(DRIVER_DESC ": " DRIVER_VERSION);
397
398 return 0;
399
400 failed_driver_register:
401 usb_serial_deregister (&option_1port_device);
402 failed_1port_device_register:
403 return retval;
404 }
405
406 static void __exit option_exit(void)
407 {
408 usb_deregister (&option_driver);
409 usb_serial_deregister (&option_1port_device);
410 }
411
412 module_init(option_init);
413 module_exit(option_exit);
414
415 static void option_rx_throttle(struct usb_serial_port *port)
416 {
417 dbg("%s", __FUNCTION__);
418 }
419
420 static void option_rx_unthrottle(struct usb_serial_port *port)
421 {
422 dbg("%s", __FUNCTION__);
423 }
424
425 static void option_break_ctl(struct usb_serial_port *port, int break_state)
426 {
427 /* Unfortunately, I don't know how to send a break */
428 dbg("%s", __FUNCTION__);
429 }
430
431 static void option_set_termios(struct usb_serial_port *port,
432 struct ktermios *old_termios)
433 {
434 dbg("%s", __FUNCTION__);
435 /* Doesn't support option setting */
436 tty_termios_copy_hw(port->tty->termios, old_termios);
437 option_send_setup(port);
438 }
439
440 static int option_tiocmget(struct usb_serial_port *port, struct file *file)
441 {
442 unsigned int value;
443 struct option_port_private *portdata;
444
445 portdata = usb_get_serial_port_data(port);
446
447 value = ((portdata->rts_state) ? TIOCM_RTS : 0) |
448 ((portdata->dtr_state) ? TIOCM_DTR : 0) |
449 ((portdata->cts_state) ? TIOCM_CTS : 0) |
450 ((portdata->dsr_state) ? TIOCM_DSR : 0) |
451 ((portdata->dcd_state) ? TIOCM_CAR : 0) |
452 ((portdata->ri_state) ? TIOCM_RNG : 0);
453
454 return value;
455 }
456
457 static int option_tiocmset(struct usb_serial_port *port, struct file *file,
458 unsigned int set, unsigned int clear)
459 {
460 struct option_port_private *portdata;
461
462 portdata = usb_get_serial_port_data(port);
463
464 if (set & TIOCM_RTS)
465 portdata->rts_state = 1;
466 if (set & TIOCM_DTR)
467 portdata->dtr_state = 1;
468
469 if (clear & TIOCM_RTS)
470 portdata->rts_state = 0;
471 if (clear & TIOCM_DTR)
472 portdata->dtr_state = 0;
473 return option_send_setup(port);
474 }
475
476 static int option_ioctl(struct usb_serial_port *port, struct file *file,
477 unsigned int cmd, unsigned long arg)
478 {
479 return -ENOIOCTLCMD;
480 }
481
482 /* Write */
483 static int option_write(struct usb_serial_port *port,
484 const unsigned char *buf, int count)
485 {
486 struct option_port_private *portdata;
487 int i;
488 int left, todo;
489 struct urb *this_urb = NULL; /* spurious */
490 int err;
491
492 portdata = usb_get_serial_port_data(port);
493
494 dbg("%s: write (%d chars)", __FUNCTION__, count);
495
496 i = 0;
497 left = count;
498 for (i=0; left > 0 && i < N_OUT_URB; i++) {
499 todo = left;
500 if (todo > OUT_BUFLEN)
501 todo = OUT_BUFLEN;
502
503 this_urb = portdata->out_urbs[i];
504 if (test_and_set_bit(i, &portdata->out_busy)) {
505 if (time_before(jiffies,
506 portdata->tx_start_time[i] + 10 * HZ))
507 continue;
508 usb_unlink_urb(this_urb);
509 continue;
510 }
511 if (this_urb->status != 0)
512 dbg("usb_write %p failed (err=%d)",
513 this_urb, this_urb->status);
514
515 dbg("%s: endpoint %d buf %d", __FUNCTION__,
516 usb_pipeendpoint(this_urb->pipe), i);
517
518 /* send the data */
519 memcpy (this_urb->transfer_buffer, buf, todo);
520 this_urb->transfer_buffer_length = todo;
521
522 this_urb->dev = port->serial->dev;
523 err = usb_submit_urb(this_urb, GFP_ATOMIC);
524 if (err) {
525 dbg("usb_submit_urb %p (write bulk) failed "
526 "(%d, has %d)", this_urb,
527 err, this_urb->status);
528 clear_bit(i, &portdata->out_busy);
529 continue;
530 }
531 portdata->tx_start_time[i] = jiffies;
532 buf += todo;
533 left -= todo;
534 }
535
536 count -= left;
537 dbg("%s: wrote (did %d)", __FUNCTION__, count);
538 return count;
539 }
540
541 static void option_indat_callback(struct urb *urb)
542 {
543 int err;
544 int endpoint;
545 struct usb_serial_port *port;
546 struct tty_struct *tty;
547 unsigned char *data = urb->transfer_buffer;
548 int status = urb->status;
549
550 dbg("%s: %p", __FUNCTION__, urb);
551
552 endpoint = usb_pipeendpoint(urb->pipe);
553 port = (struct usb_serial_port *) urb->context;
554
555 if (status) {
556 dbg("%s: nonzero status: %d on endpoint %02x.",
557 __FUNCTION__, status, endpoint);
558 } else {
559 tty = port->tty;
560 if (urb->actual_length) {
561 tty_buffer_request_room(tty, urb->actual_length);
562 tty_insert_flip_string(tty, data, urb->actual_length);
563 tty_flip_buffer_push(tty);
564 } else {
565 dbg("%s: empty read urb received", __FUNCTION__);
566 }
567
568 /* Resubmit urb so we continue receiving */
569 if (port->open_count && status != -ESHUTDOWN) {
570 err = usb_submit_urb(urb, GFP_ATOMIC);
571 if (err)
572 printk(KERN_ERR "%s: resubmit read urb failed. "
573 "(%d)", __FUNCTION__, err);
574 }
575 }
576 return;
577 }
578
579 static void option_outdat_callback(struct urb *urb)
580 {
581 struct usb_serial_port *port;
582 struct option_port_private *portdata;
583 int i;
584
585 dbg("%s", __FUNCTION__);
586
587 port = (struct usb_serial_port *) urb->context;
588
589 usb_serial_port_softint(port);
590
591 portdata = usb_get_serial_port_data(port);
592 for (i = 0; i < N_OUT_URB; ++i) {
593 if (portdata->out_urbs[i] == urb) {
594 smp_mb__before_clear_bit();
595 clear_bit(i, &portdata->out_busy);
596 break;
597 }
598 }
599 }
600
601 static void option_instat_callback(struct urb *urb)
602 {
603 int err;
604 int status = urb->status;
605 struct usb_serial_port *port = (struct usb_serial_port *) urb->context;
606 struct option_port_private *portdata = usb_get_serial_port_data(port);
607 struct usb_serial *serial = port->serial;
608
609 dbg("%s", __FUNCTION__);
610 dbg("%s: urb %p port %p has data %p", __FUNCTION__,urb,port,portdata);
611
612 if (status == 0) {
613 struct usb_ctrlrequest *req_pkt =
614 (struct usb_ctrlrequest *)urb->transfer_buffer;
615
616 if (!req_pkt) {
617 dbg("%s: NULL req_pkt\n", __FUNCTION__);
618 return;
619 }
620 if ((req_pkt->bRequestType == 0xA1) &&
621 (req_pkt->bRequest == 0x20)) {
622 int old_dcd_state;
623 unsigned char signals = *((unsigned char *)
624 urb->transfer_buffer +
625 sizeof(struct usb_ctrlrequest));
626
627 dbg("%s: signal x%x", __FUNCTION__, signals);
628
629 old_dcd_state = portdata->dcd_state;
630 portdata->cts_state = 1;
631 portdata->dcd_state = ((signals & 0x01) ? 1 : 0);
632 portdata->dsr_state = ((signals & 0x02) ? 1 : 0);
633 portdata->ri_state = ((signals & 0x08) ? 1 : 0);
634
635 if (port->tty && !C_CLOCAL(port->tty) &&
636 old_dcd_state && !portdata->dcd_state)
637 tty_hangup(port->tty);
638 } else {
639 dbg("%s: type %x req %x", __FUNCTION__,
640 req_pkt->bRequestType,req_pkt->bRequest);
641 }
642 } else
643 dbg("%s: error %d", __FUNCTION__, status);
644
645 /* Resubmit urb so we continue receiving IRQ data */
646 if (status != -ESHUTDOWN) {
647 urb->dev = serial->dev;
648 err = usb_submit_urb(urb, GFP_ATOMIC);
649 if (err)
650 dbg("%s: resubmit intr urb failed. (%d)",
651 __FUNCTION__, err);
652 }
653 }
654
655 static int option_write_room(struct usb_serial_port *port)
656 {
657 struct option_port_private *portdata;
658 int i;
659 int data_len = 0;
660 struct urb *this_urb;
661
662 portdata = usb_get_serial_port_data(port);
663
664 for (i=0; i < N_OUT_URB; i++) {
665 this_urb = portdata->out_urbs[i];
666 if (this_urb && !test_bit(i, &portdata->out_busy))
667 data_len += OUT_BUFLEN;
668 }
669
670 dbg("%s: %d", __FUNCTION__, data_len);
671 return data_len;
672 }
673
674 static int option_chars_in_buffer(struct usb_serial_port *port)
675 {
676 struct option_port_private *portdata;
677 int i;
678 int data_len = 0;
679 struct urb *this_urb;
680
681 portdata = usb_get_serial_port_data(port);
682
683 for (i=0; i < N_OUT_URB; i++) {
684 this_urb = portdata->out_urbs[i];
685 if (this_urb && test_bit(i, &portdata->out_busy))
686 data_len += this_urb->transfer_buffer_length;
687 }
688 dbg("%s: %d", __FUNCTION__, data_len);
689 return data_len;
690 }
691
692 static int option_open(struct usb_serial_port *port, struct file *filp)
693 {
694 struct option_port_private *portdata;
695 struct usb_serial *serial = port->serial;
696 int i, err;
697 struct urb *urb;
698
699 portdata = usb_get_serial_port_data(port);
700
701 dbg("%s", __FUNCTION__);
702
703 /* Set some sane defaults */
704 portdata->rts_state = 1;
705 portdata->dtr_state = 1;
706
707 /* Reset low level data toggle and start reading from endpoints */
708 for (i = 0; i < N_IN_URB; i++) {
709 urb = portdata->in_urbs[i];
710 if (! urb)
711 continue;
712 if (urb->dev != serial->dev) {
713 dbg("%s: dev %p != %p", __FUNCTION__,
714 urb->dev, serial->dev);
715 continue;
716 }
717
718 /*
719 * make sure endpoint data toggle is synchronized with the
720 * device
721 */
722 usb_clear_halt(urb->dev, urb->pipe);
723
724 err = usb_submit_urb(urb, GFP_KERNEL);
725 if (err) {
726 dbg("%s: submit urb %d failed (%d) %d",
727 __FUNCTION__, i, err,
728 urb->transfer_buffer_length);
729 }
730 }
731
732 /* Reset low level data toggle on out endpoints */
733 for (i = 0; i < N_OUT_URB; i++) {
734 urb = portdata->out_urbs[i];
735 if (! urb)
736 continue;
737 urb->dev = serial->dev;
738 /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe),
739 usb_pipeout(urb->pipe), 0); */
740 }
741
742 port->tty->low_latency = 1;
743
744 option_send_setup(port);
745
746 return (0);
747 }
748
749 static void option_close(struct usb_serial_port *port, struct file *filp)
750 {
751 int i;
752 struct usb_serial *serial = port->serial;
753 struct option_port_private *portdata;
754
755 dbg("%s", __FUNCTION__);
756 portdata = usb_get_serial_port_data(port);
757
758 portdata->rts_state = 0;
759 portdata->dtr_state = 0;
760
761 if (serial->dev) {
762 mutex_lock(&serial->disc_mutex);
763 if (!serial->disconnected)
764 option_send_setup(port);
765 mutex_unlock(&serial->disc_mutex);
766
767 /* Stop reading/writing urbs */
768 for (i = 0; i < N_IN_URB; i++)
769 usb_kill_urb(portdata->in_urbs[i]);
770 for (i = 0; i < N_OUT_URB; i++)
771 usb_kill_urb(portdata->out_urbs[i]);
772 }
773 port->tty = NULL;
774 }
775
776 /* Helper functions used by option_setup_urbs */
777 static struct urb *option_setup_urb(struct usb_serial *serial, int endpoint,
778 int dir, void *ctx, char *buf, int len,
779 void (*callback)(struct urb *))
780 {
781 struct urb *urb;
782
783 if (endpoint == -1)
784 return NULL; /* endpoint not needed */
785
786 urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */
787 if (urb == NULL) {
788 dbg("%s: alloc for endpoint %d failed.", __FUNCTION__, endpoint);
789 return NULL;
790 }
791
792 /* Fill URB using supplied data. */
793 usb_fill_bulk_urb(urb, serial->dev,
794 usb_sndbulkpipe(serial->dev, endpoint) | dir,
795 buf, len, callback, ctx);
796
797 return urb;
798 }
799
800 /* Setup urbs */
801 static void option_setup_urbs(struct usb_serial *serial)
802 {
803 int i,j;
804 struct usb_serial_port *port;
805 struct option_port_private *portdata;
806
807 dbg("%s", __FUNCTION__);
808
809 for (i = 0; i < serial->num_ports; i++) {
810 port = serial->port[i];
811 portdata = usb_get_serial_port_data(port);
812
813 /* Do indat endpoints first */
814 for (j = 0; j < N_IN_URB; ++j) {
815 portdata->in_urbs[j] = option_setup_urb (serial,
816 port->bulk_in_endpointAddress, USB_DIR_IN, port,
817 portdata->in_buffer[j], IN_BUFLEN, option_indat_callback);
818 }
819
820 /* outdat endpoints */
821 for (j = 0; j < N_OUT_URB; ++j) {
822 portdata->out_urbs[j] = option_setup_urb (serial,
823 port->bulk_out_endpointAddress, USB_DIR_OUT, port,
824 portdata->out_buffer[j], OUT_BUFLEN, option_outdat_callback);
825 }
826 }
827 }
828
829 static int option_send_setup(struct usb_serial_port *port)
830 {
831 struct usb_serial *serial = port->serial;
832 struct option_port_private *portdata;
833
834 dbg("%s", __FUNCTION__);
835
836 if (port->number != 0)
837 return 0;
838
839 portdata = usb_get_serial_port_data(port);
840
841 if (port->tty) {
842 int val = 0;
843 if (portdata->dtr_state)
844 val |= 0x01;
845 if (portdata->rts_state)
846 val |= 0x02;
847
848 return usb_control_msg(serial->dev,
849 usb_rcvctrlpipe(serial->dev, 0),
850 0x22,0x21,val,0,NULL,0,USB_CTRL_SET_TIMEOUT);
851 }
852
853 return 0;
854 }
855
856 static int option_startup(struct usb_serial *serial)
857 {
858 int i, j, err;
859 struct usb_serial_port *port;
860 struct option_port_private *portdata;
861 u8 *buffer;
862
863 dbg("%s", __FUNCTION__);
864
865 /* Now setup per port private data */
866 for (i = 0; i < serial->num_ports; i++) {
867 port = serial->port[i];
868 portdata = kzalloc(sizeof(*portdata), GFP_KERNEL);
869 if (!portdata) {
870 dbg("%s: kmalloc for option_port_private (%d) failed!.",
871 __FUNCTION__, i);
872 return (1);
873 }
874
875 for (j = 0; j < N_IN_URB; j++) {
876 buffer = (u8 *)__get_free_page(GFP_KERNEL);
877 if (!buffer)
878 goto bail_out_error;
879 portdata->in_buffer[j] = buffer;
880 }
881
882 for (j = 0; j < N_OUT_URB; j++) {
883 buffer = kmalloc(OUT_BUFLEN, GFP_KERNEL);
884 if (!buffer)
885 goto bail_out_error2;
886 portdata->out_buffer[j] = buffer;
887 }
888
889 usb_set_serial_port_data(port, portdata);
890
891 if (! port->interrupt_in_urb)
892 continue;
893 err = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
894 if (err)
895 dbg("%s: submit irq_in urb failed %d",
896 __FUNCTION__, err);
897 }
898
899 option_setup_urbs(serial);
900
901 return (0);
902
903 bail_out_error2:
904 for (j = 0; j < N_OUT_URB; j++)
905 kfree(portdata->out_buffer[j]);
906 bail_out_error:
907 for (j = 0; j < N_IN_URB; j++)
908 if (portdata->in_buffer[j])
909 free_page((unsigned long)portdata->in_buffer[j]);
910 kfree(portdata);
911 return 1;
912 }
913
914 static void option_shutdown(struct usb_serial *serial)
915 {
916 int i, j;
917 struct usb_serial_port *port;
918 struct option_port_private *portdata;
919
920 dbg("%s", __FUNCTION__);
921
922 /* Stop reading/writing urbs */
923 for (i = 0; i < serial->num_ports; ++i) {
924 port = serial->port[i];
925 portdata = usb_get_serial_port_data(port);
926 for (j = 0; j < N_IN_URB; j++)
927 usb_kill_urb(portdata->in_urbs[j]);
928 for (j = 0; j < N_OUT_URB; j++)
929 usb_kill_urb(portdata->out_urbs[j]);
930 }
931
932 /* Now free them */
933 for (i = 0; i < serial->num_ports; ++i) {
934 port = serial->port[i];
935 portdata = usb_get_serial_port_data(port);
936
937 for (j = 0; j < N_IN_URB; j++) {
938 if (portdata->in_urbs[j]) {
939 usb_free_urb(portdata->in_urbs[j]);
940 free_page((unsigned long)portdata->in_buffer[j]);
941 portdata->in_urbs[j] = NULL;
942 }
943 }
944 for (j = 0; j < N_OUT_URB; j++) {
945 if (portdata->out_urbs[j]) {
946 usb_free_urb(portdata->out_urbs[j]);
947 kfree(portdata->out_buffer[j]);
948 portdata->out_urbs[j] = NULL;
949 }
950 }
951 }
952
953 /* Now free per port private data */
954 for (i = 0; i < serial->num_ports; i++) {
955 port = serial->port[i];
956 kfree(usb_get_serial_port_data(port));
957 }
958 }
959
960 MODULE_AUTHOR(DRIVER_AUTHOR);
961 MODULE_DESCRIPTION(DRIVER_DESC);
962 MODULE_VERSION(DRIVER_VERSION);
963 MODULE_LICENSE("GPL");
964
965 #ifdef CONFIG_USB_DEBUG
966 module_param(debug, bool, S_IRUGO | S_IWUSR);
967 MODULE_PARM_DESC(debug, "Debug messages");
968 #endif
969
970
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