Version:  2.0.40 2.2.26 2.4.37 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1

Linux/drivers/usb/serial/qcserial.c

  1 /*
  2  * Qualcomm Serial USB driver
  3  *
  4  *      Copyright (c) 2008 QUALCOMM Incorporated.
  5  *      Copyright (c) 2009 Greg Kroah-Hartman <gregkh@suse.de>
  6  *      Copyright (c) 2009 Novell Inc.
  7  *
  8  *      This program is free software; you can redistribute it and/or
  9  *      modify it under the terms of the GNU General Public License version
 10  *      2 as published by the Free Software Foundation.
 11  *
 12  */
 13 
 14 #include <linux/tty.h>
 15 #include <linux/tty_flip.h>
 16 #include <linux/module.h>
 17 #include <linux/usb.h>
 18 #include <linux/usb/serial.h>
 19 #include <linux/slab.h>
 20 #include "usb-wwan.h"
 21 
 22 #define DRIVER_AUTHOR "Qualcomm Inc"
 23 #define DRIVER_DESC "Qualcomm USB Serial driver"
 24 
 25 /* standard device layouts supported by this driver */
 26 enum qcserial_layouts {
 27         QCSERIAL_G2K = 0,       /* Gobi 2000 */
 28         QCSERIAL_G1K = 1,       /* Gobi 1000 */
 29         QCSERIAL_SWI = 2,       /* Sierra Wireless */
 30         QCSERIAL_HWI = 3,       /* Huawei */
 31 };
 32 
 33 #define DEVICE_G1K(v, p) \
 34         USB_DEVICE(v, p), .driver_info = QCSERIAL_G1K
 35 #define DEVICE_SWI(v, p) \
 36         USB_DEVICE(v, p), .driver_info = QCSERIAL_SWI
 37 #define DEVICE_HWI(v, p) \
 38         USB_DEVICE(v, p), .driver_info = QCSERIAL_HWI
 39 
 40 static const struct usb_device_id id_table[] = {
 41         /* Gobi 1000 devices */
 42         {DEVICE_G1K(0x05c6, 0x9211)},   /* Acer Gobi QDL device */
 43         {DEVICE_G1K(0x05c6, 0x9212)},   /* Acer Gobi Modem Device */
 44         {DEVICE_G1K(0x03f0, 0x1f1d)},   /* HP un2400 Gobi Modem Device */
 45         {DEVICE_G1K(0x03f0, 0x201d)},   /* HP un2400 Gobi QDL Device */
 46         {DEVICE_G1K(0x04da, 0x250d)},   /* Panasonic Gobi Modem device */
 47         {DEVICE_G1K(0x04da, 0x250c)},   /* Panasonic Gobi QDL device */
 48         {DEVICE_G1K(0x413c, 0x8172)},   /* Dell Gobi Modem device */
 49         {DEVICE_G1K(0x413c, 0x8171)},   /* Dell Gobi QDL device */
 50         {DEVICE_G1K(0x1410, 0xa001)},   /* Novatel/Verizon USB-1000 */
 51         {DEVICE_G1K(0x1410, 0xa002)},   /* Novatel Gobi Modem device */
 52         {DEVICE_G1K(0x1410, 0xa003)},   /* Novatel Gobi Modem device */
 53         {DEVICE_G1K(0x1410, 0xa004)},   /* Novatel Gobi Modem device */
 54         {DEVICE_G1K(0x1410, 0xa005)},   /* Novatel Gobi Modem device */
 55         {DEVICE_G1K(0x1410, 0xa006)},   /* Novatel Gobi Modem device */
 56         {DEVICE_G1K(0x1410, 0xa007)},   /* Novatel Gobi Modem device */
 57         {DEVICE_G1K(0x1410, 0xa008)},   /* Novatel Gobi QDL device */
 58         {DEVICE_G1K(0x0b05, 0x1776)},   /* Asus Gobi Modem device */
 59         {DEVICE_G1K(0x0b05, 0x1774)},   /* Asus Gobi QDL device */
 60         {DEVICE_G1K(0x19d2, 0xfff3)},   /* ONDA Gobi Modem device */
 61         {DEVICE_G1K(0x19d2, 0xfff2)},   /* ONDA Gobi QDL device */
 62         {DEVICE_G1K(0x1557, 0x0a80)},   /* OQO Gobi QDL device */
 63         {DEVICE_G1K(0x05c6, 0x9001)},   /* Generic Gobi Modem device */
 64         {DEVICE_G1K(0x05c6, 0x9002)},   /* Generic Gobi Modem device */
 65         {DEVICE_G1K(0x05c6, 0x9202)},   /* Generic Gobi Modem device */
 66         {DEVICE_G1K(0x05c6, 0x9203)},   /* Generic Gobi Modem device */
 67         {DEVICE_G1K(0x05c6, 0x9222)},   /* Generic Gobi Modem device */
 68         {DEVICE_G1K(0x05c6, 0x9008)},   /* Generic Gobi QDL device */
 69         {DEVICE_G1K(0x05c6, 0x9009)},   /* Generic Gobi Modem device */
 70         {DEVICE_G1K(0x05c6, 0x9201)},   /* Generic Gobi QDL device */
 71         {DEVICE_G1K(0x05c6, 0x9221)},   /* Generic Gobi QDL device */
 72         {DEVICE_G1K(0x05c6, 0x9231)},   /* Generic Gobi QDL device */
 73         {DEVICE_G1K(0x1f45, 0x0001)},   /* Unknown Gobi QDL device */
 74         {DEVICE_G1K(0x1bc7, 0x900e)},   /* Telit Gobi QDL device */
 75 
 76         /* Gobi 2000 devices */
 77         {USB_DEVICE(0x1410, 0xa010)},   /* Novatel Gobi 2000 QDL device */
 78         {USB_DEVICE(0x1410, 0xa011)},   /* Novatel Gobi 2000 QDL device */
 79         {USB_DEVICE(0x1410, 0xa012)},   /* Novatel Gobi 2000 QDL device */
 80         {USB_DEVICE(0x1410, 0xa013)},   /* Novatel Gobi 2000 QDL device */
 81         {USB_DEVICE(0x1410, 0xa014)},   /* Novatel Gobi 2000 QDL device */
 82         {USB_DEVICE(0x413c, 0x8185)},   /* Dell Gobi 2000 QDL device (N0218, VU936) */
 83         {USB_DEVICE(0x413c, 0x8186)},   /* Dell Gobi 2000 Modem device (N0218, VU936) */
 84         {USB_DEVICE(0x05c6, 0x9208)},   /* Generic Gobi 2000 QDL device */
 85         {USB_DEVICE(0x05c6, 0x920b)},   /* Generic Gobi 2000 Modem device */
 86         {USB_DEVICE(0x05c6, 0x9224)},   /* Sony Gobi 2000 QDL device (N0279, VU730) */
 87         {USB_DEVICE(0x05c6, 0x9225)},   /* Sony Gobi 2000 Modem device (N0279, VU730) */
 88         {USB_DEVICE(0x05c6, 0x9244)},   /* Samsung Gobi 2000 QDL device (VL176) */
 89         {USB_DEVICE(0x05c6, 0x9245)},   /* Samsung Gobi 2000 Modem device (VL176) */
 90         {USB_DEVICE(0x03f0, 0x241d)},   /* HP Gobi 2000 QDL device (VP412) */
 91         {USB_DEVICE(0x03f0, 0x251d)},   /* HP Gobi 2000 Modem device (VP412) */
 92         {USB_DEVICE(0x05c6, 0x9214)},   /* Acer Gobi 2000 QDL device (VP413) */
 93         {USB_DEVICE(0x05c6, 0x9215)},   /* Acer Gobi 2000 Modem device (VP413) */
 94         {USB_DEVICE(0x05c6, 0x9264)},   /* Asus Gobi 2000 QDL device (VR305) */
 95         {USB_DEVICE(0x05c6, 0x9265)},   /* Asus Gobi 2000 Modem device (VR305) */
 96         {USB_DEVICE(0x05c6, 0x9234)},   /* Top Global Gobi 2000 QDL device (VR306) */
 97         {USB_DEVICE(0x05c6, 0x9235)},   /* Top Global Gobi 2000 Modem device (VR306) */
 98         {USB_DEVICE(0x05c6, 0x9274)},   /* iRex Technologies Gobi 2000 QDL device (VR307) */
 99         {USB_DEVICE(0x05c6, 0x9275)},   /* iRex Technologies Gobi 2000 Modem device (VR307) */
100         {USB_DEVICE(0x1199, 0x9000)},   /* Sierra Wireless Gobi 2000 QDL device (VT773) */
101         {USB_DEVICE(0x1199, 0x9001)},   /* Sierra Wireless Gobi 2000 Modem device (VT773) */
102         {USB_DEVICE(0x1199, 0x9002)},   /* Sierra Wireless Gobi 2000 Modem device (VT773) */
103         {USB_DEVICE(0x1199, 0x9003)},   /* Sierra Wireless Gobi 2000 Modem device (VT773) */
104         {USB_DEVICE(0x1199, 0x9004)},   /* Sierra Wireless Gobi 2000 Modem device (VT773) */
105         {USB_DEVICE(0x1199, 0x9005)},   /* Sierra Wireless Gobi 2000 Modem device (VT773) */
106         {USB_DEVICE(0x1199, 0x9006)},   /* Sierra Wireless Gobi 2000 Modem device (VT773) */
107         {USB_DEVICE(0x1199, 0x9007)},   /* Sierra Wireless Gobi 2000 Modem device (VT773) */
108         {USB_DEVICE(0x1199, 0x9008)},   /* Sierra Wireless Gobi 2000 Modem device (VT773) */
109         {USB_DEVICE(0x1199, 0x9009)},   /* Sierra Wireless Gobi 2000 Modem device (VT773) */
110         {USB_DEVICE(0x1199, 0x900a)},   /* Sierra Wireless Gobi 2000 Modem device (VT773) */
111         {USB_DEVICE(0x1199, 0x9011)},   /* Sierra Wireless Gobi 2000 Modem device (MC8305) */
112         {USB_DEVICE(0x16d8, 0x8001)},   /* CMDTech Gobi 2000 QDL device (VU922) */
113         {USB_DEVICE(0x16d8, 0x8002)},   /* CMDTech Gobi 2000 Modem device (VU922) */
114         {USB_DEVICE(0x05c6, 0x9204)},   /* Gobi 2000 QDL device */
115         {USB_DEVICE(0x05c6, 0x9205)},   /* Gobi 2000 Modem device */
116 
117         /* Gobi 3000 devices */
118         {USB_DEVICE(0x03f0, 0x371d)},   /* HP un2430 Gobi 3000 QDL */
119         {USB_DEVICE(0x05c6, 0x920c)},   /* Gobi 3000 QDL */
120         {USB_DEVICE(0x05c6, 0x920d)},   /* Gobi 3000 Composite */
121         {USB_DEVICE(0x1410, 0xa020)},   /* Novatel Gobi 3000 QDL */
122         {USB_DEVICE(0x1410, 0xa021)},   /* Novatel Gobi 3000 Composite */
123         {USB_DEVICE(0x413c, 0x8193)},   /* Dell Gobi 3000 QDL */
124         {USB_DEVICE(0x413c, 0x8194)},   /* Dell Gobi 3000 Composite */
125         {USB_DEVICE(0x1199, 0x68a4)},   /* Sierra Wireless QDL */
126         {USB_DEVICE(0x1199, 0x68a5)},   /* Sierra Wireless Modem */
127         {USB_DEVICE(0x1199, 0x68a8)},   /* Sierra Wireless QDL */
128         {USB_DEVICE(0x1199, 0x68a9)},   /* Sierra Wireless Modem */
129         {USB_DEVICE(0x1199, 0x9010)},   /* Sierra Wireless Gobi 3000 QDL */
130         {USB_DEVICE(0x1199, 0x9012)},   /* Sierra Wireless Gobi 3000 QDL */
131         {USB_DEVICE(0x1199, 0x9013)},   /* Sierra Wireless Gobi 3000 Modem device (MC8355) */
132         {USB_DEVICE(0x1199, 0x9014)},   /* Sierra Wireless Gobi 3000 QDL */
133         {USB_DEVICE(0x1199, 0x9015)},   /* Sierra Wireless Gobi 3000 Modem device */
134         {USB_DEVICE(0x1199, 0x9018)},   /* Sierra Wireless Gobi 3000 QDL */
135         {USB_DEVICE(0x1199, 0x9019)},   /* Sierra Wireless Gobi 3000 Modem device */
136         {USB_DEVICE(0x1199, 0x901b)},   /* Sierra Wireless MC7770 */
137         {USB_DEVICE(0x12D1, 0x14F0)},   /* Sony Gobi 3000 QDL */
138         {USB_DEVICE(0x12D1, 0x14F1)},   /* Sony Gobi 3000 Composite */
139         {USB_DEVICE(0x0AF0, 0x8120)},   /* Option GTM681W */
140 
141         /* non-Gobi Sierra Wireless devices */
142         {DEVICE_SWI(0x0f3d, 0x68a2)},   /* Sierra Wireless MC7700 */
143         {DEVICE_SWI(0x114f, 0x68a2)},   /* Sierra Wireless MC7750 */
144         {DEVICE_SWI(0x1199, 0x68a2)},   /* Sierra Wireless MC7710 */
145         {DEVICE_SWI(0x1199, 0x901c)},   /* Sierra Wireless EM7700 */
146         {DEVICE_SWI(0x1199, 0x901f)},   /* Sierra Wireless EM7355 */
147         {DEVICE_SWI(0x1199, 0x9040)},   /* Sierra Wireless Modem */
148         {DEVICE_SWI(0x1199, 0x9041)},   /* Sierra Wireless MC7305/MC7355 */
149         {DEVICE_SWI(0x1199, 0x9051)},   /* Netgear AirCard 340U */
150         {DEVICE_SWI(0x1199, 0x9053)},   /* Sierra Wireless Modem */
151         {DEVICE_SWI(0x1199, 0x9054)},   /* Sierra Wireless Modem */
152         {DEVICE_SWI(0x1199, 0x9055)},   /* Netgear AirCard 341U */
153         {DEVICE_SWI(0x1199, 0x9056)},   /* Sierra Wireless Modem */
154         {DEVICE_SWI(0x1199, 0x9060)},   /* Sierra Wireless Modem */
155         {DEVICE_SWI(0x1199, 0x9061)},   /* Sierra Wireless Modem */
156         {DEVICE_SWI(0x413c, 0x81a2)},   /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */
157         {DEVICE_SWI(0x413c, 0x81a3)},   /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */
158         {DEVICE_SWI(0x413c, 0x81a4)},   /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */
159         {DEVICE_SWI(0x413c, 0x81a8)},   /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */
160         {DEVICE_SWI(0x413c, 0x81a9)},   /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */
161 
162         /* Huawei devices */
163         {DEVICE_HWI(0x03f0, 0x581d)},   /* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */
164 
165         { }                             /* Terminating entry */
166 };
167 MODULE_DEVICE_TABLE(usb, id_table);
168 
169 static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
170 {
171         struct usb_host_interface *intf = serial->interface->cur_altsetting;
172         struct device *dev = &serial->dev->dev;
173         int retval = -ENODEV;
174         __u8 nintf;
175         __u8 ifnum;
176         int altsetting = -1;
177 
178         nintf = serial->dev->actconfig->desc.bNumInterfaces;
179         dev_dbg(dev, "Num Interfaces = %d\n", nintf);
180         ifnum = intf->desc.bInterfaceNumber;
181         dev_dbg(dev, "This Interface = %d\n", ifnum);
182 
183         if (nintf == 1) {
184                 /* QDL mode */
185                 /* Gobi 2000 has a single altsetting, older ones have two */
186                 if (serial->interface->num_altsetting == 2)
187                         intf = &serial->interface->altsetting[1];
188                 else if (serial->interface->num_altsetting > 2)
189                         goto done;
190 
191                 if (intf->desc.bNumEndpoints == 2 &&
192                     usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) &&
193                     usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) {
194                         dev_dbg(dev, "QDL port found\n");
195 
196                         if (serial->interface->num_altsetting == 1)
197                                 retval = 0; /* Success */
198                         else
199                                 altsetting = 1;
200                 }
201                 goto done;
202 
203         }
204 
205         /* default to enabling interface */
206         altsetting = 0;
207 
208         /*
209          * Composite mode; don't bind to the QMI/net interface as that
210          * gets handled by other drivers.
211          */
212 
213         switch (id->driver_info) {
214         case QCSERIAL_G1K:
215                 /*
216                  * Gobi 1K USB layout:
217                  * 0: DM/DIAG (use libqcdm from ModemManager for communication)
218                  * 1: serial port (doesn't respond)
219                  * 2: AT-capable modem port
220                  * 3: QMI/net
221                  */
222                 if (nintf < 3 || nintf > 4) {
223                         dev_err(dev, "unknown number of interfaces: %d\n", nintf);
224                         altsetting = -1;
225                         goto done;
226                 }
227 
228                 if (ifnum == 0) {
229                         dev_dbg(dev, "Gobi 1K DM/DIAG interface found\n");
230                         altsetting = 1;
231                 } else if (ifnum == 2)
232                         dev_dbg(dev, "Modem port found\n");
233                 else
234                         altsetting = -1;
235                 break;
236         case QCSERIAL_G2K:
237                 /*
238                  * Gobi 2K+ USB layout:
239                  * 0: QMI/net
240                  * 1: DM/DIAG (use libqcdm from ModemManager for communication)
241                  * 2: AT-capable modem port
242                  * 3: NMEA
243                  */
244                 if (nintf < 3 || nintf > 4) {
245                         dev_err(dev, "unknown number of interfaces: %d\n", nintf);
246                         altsetting = -1;
247                         goto done;
248                 }
249 
250                 switch (ifnum) {
251                 case 0:
252                         /* Don't claim the QMI/net interface */
253                         altsetting = -1;
254                         break;
255                 case 1:
256                         dev_dbg(dev, "Gobi 2K+ DM/DIAG interface found\n");
257                         break;
258                 case 2:
259                         dev_dbg(dev, "Modem port found\n");
260                         break;
261                 case 3:
262                         /*
263                          * NMEA (serial line 9600 8N1)
264                          * # echo "\$GPS_START" > /dev/ttyUSBx
265                          * # echo "\$GPS_STOP"  > /dev/ttyUSBx
266                          */
267                         dev_dbg(dev, "Gobi 2K+ NMEA GPS interface found\n");
268                         break;
269                 }
270                 break;
271         case QCSERIAL_SWI:
272                 /*
273                  * Sierra Wireless layout:
274                  * 0: DM/DIAG (use libqcdm from ModemManager for communication)
275                  * 2: NMEA
276                  * 3: AT-capable modem port
277                  * 8: QMI/net
278                  */
279                 switch (ifnum) {
280                 case 0:
281                         dev_dbg(dev, "DM/DIAG interface found\n");
282                         break;
283                 case 2:
284                         dev_dbg(dev, "NMEA GPS interface found\n");
285                         break;
286                 case 3:
287                         dev_dbg(dev, "Modem port found\n");
288                         break;
289                 default:
290                         /* don't claim any unsupported interface */
291                         altsetting = -1;
292                         break;
293                 }
294                 break;
295         case QCSERIAL_HWI:
296                 /*
297                  * Huawei layout:
298                  * 0: AT-capable modem port
299                  * 1: DM/DIAG
300                  * 2: AT-capable modem port
301                  * 3: CCID-compatible PCSC interface
302                  * 4: QMI/net
303                  * 5: NMEA
304                  */
305                 switch (ifnum) {
306                 case 0:
307                 case 2:
308                         dev_dbg(dev, "Modem port found\n");
309                         break;
310                 case 1:
311                         dev_dbg(dev, "DM/DIAG interface found\n");
312                         break;
313                 case 5:
314                         dev_dbg(dev, "NMEA GPS interface found\n");
315                         break;
316                 default:
317                         /* don't claim any unsupported interface */
318                         altsetting = -1;
319                         break;
320                 }
321                 break;
322         default:
323                 dev_err(dev, "unsupported device layout type: %lu\n",
324                         id->driver_info);
325                 break;
326         }
327 
328 done:
329         if (altsetting >= 0) {
330                 retval = usb_set_interface(serial->dev, ifnum, altsetting);
331                 if (retval < 0) {
332                         dev_err(dev,
333                                 "Could not set interface, error %d\n",
334                                 retval);
335                         retval = -ENODEV;
336                 }
337         }
338 
339         return retval;
340 }
341 
342 static int qc_attach(struct usb_serial *serial)
343 {
344         struct usb_wwan_intf_private *data;
345 
346         data = kzalloc(sizeof(*data), GFP_KERNEL);
347         if (!data)
348                 return -ENOMEM;
349 
350         spin_lock_init(&data->susp_lock);
351 
352         usb_set_serial_data(serial, data);
353 
354         return 0;
355 }
356 
357 static void qc_release(struct usb_serial *serial)
358 {
359         struct usb_wwan_intf_private *priv = usb_get_serial_data(serial);
360 
361         usb_set_serial_data(serial, NULL);
362         kfree(priv);
363 }
364 
365 static struct usb_serial_driver qcdevice = {
366         .driver = {
367                 .owner     = THIS_MODULE,
368                 .name      = "qcserial",
369         },
370         .description         = "Qualcomm USB modem",
371         .id_table            = id_table,
372         .num_ports           = 1,
373         .probe               = qcprobe,
374         .open                = usb_wwan_open,
375         .close               = usb_wwan_close,
376         .write               = usb_wwan_write,
377         .write_room          = usb_wwan_write_room,
378         .chars_in_buffer     = usb_wwan_chars_in_buffer,
379         .attach              = qc_attach,
380         .release             = qc_release,
381         .port_probe          = usb_wwan_port_probe,
382         .port_remove         = usb_wwan_port_remove,
383 #ifdef CONFIG_PM
384         .suspend             = usb_wwan_suspend,
385         .resume              = usb_wwan_resume,
386 #endif
387 };
388 
389 static struct usb_serial_driver * const serial_drivers[] = {
390         &qcdevice, NULL
391 };
392 
393 module_usb_serial_driver(serial_drivers, id_table);
394 
395 MODULE_AUTHOR(DRIVER_AUTHOR);
396 MODULE_DESCRIPTION(DRIVER_DESC);
397 MODULE_LICENSE("GPL v2");
398 

This page was automatically generated by LXR 0.3.1 (source).  •  Linux is a registered trademark of Linus Torvalds  •  Contact us