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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 #define DEVICE_G1K(v, p) \
 26         USB_DEVICE(v, p), .driver_info = 1
 27 
 28 static const struct usb_device_id id_table[] = {
 29         /* Gobi 1000 devices */
 30         {DEVICE_G1K(0x05c6, 0x9211)},   /* Acer Gobi QDL device */
 31         {DEVICE_G1K(0x05c6, 0x9212)},   /* Acer Gobi Modem Device */
 32         {DEVICE_G1K(0x03f0, 0x1f1d)},   /* HP un2400 Gobi Modem Device */
 33         {DEVICE_G1K(0x03f0, 0x201d)},   /* HP un2400 Gobi QDL Device */
 34         {DEVICE_G1K(0x04da, 0x250d)},   /* Panasonic Gobi Modem device */
 35         {DEVICE_G1K(0x04da, 0x250c)},   /* Panasonic Gobi QDL device */
 36         {DEVICE_G1K(0x413c, 0x8172)},   /* Dell Gobi Modem device */
 37         {DEVICE_G1K(0x413c, 0x8171)},   /* Dell Gobi QDL device */
 38         {DEVICE_G1K(0x1410, 0xa001)},   /* Novatel/Verizon USB-1000 */
 39         {DEVICE_G1K(0x1410, 0xa002)},   /* Novatel Gobi Modem device */
 40         {DEVICE_G1K(0x1410, 0xa003)},   /* Novatel Gobi Modem device */
 41         {DEVICE_G1K(0x1410, 0xa004)},   /* Novatel Gobi Modem device */
 42         {DEVICE_G1K(0x1410, 0xa005)},   /* Novatel Gobi Modem device */
 43         {DEVICE_G1K(0x1410, 0xa006)},   /* Novatel Gobi Modem device */
 44         {DEVICE_G1K(0x1410, 0xa007)},   /* Novatel Gobi Modem device */
 45         {DEVICE_G1K(0x1410, 0xa008)},   /* Novatel Gobi QDL device */
 46         {DEVICE_G1K(0x0b05, 0x1776)},   /* Asus Gobi Modem device */
 47         {DEVICE_G1K(0x0b05, 0x1774)},   /* Asus Gobi QDL device */
 48         {DEVICE_G1K(0x19d2, 0xfff3)},   /* ONDA Gobi Modem device */
 49         {DEVICE_G1K(0x19d2, 0xfff2)},   /* ONDA Gobi QDL device */
 50         {DEVICE_G1K(0x1557, 0x0a80)},   /* OQO Gobi QDL device */
 51         {DEVICE_G1K(0x05c6, 0x9001)},   /* Generic Gobi Modem device */
 52         {DEVICE_G1K(0x05c6, 0x9002)},   /* Generic Gobi Modem device */
 53         {DEVICE_G1K(0x05c6, 0x9202)},   /* Generic Gobi Modem device */
 54         {DEVICE_G1K(0x05c6, 0x9203)},   /* Generic Gobi Modem device */
 55         {DEVICE_G1K(0x05c6, 0x9222)},   /* Generic Gobi Modem device */
 56         {DEVICE_G1K(0x05c6, 0x9008)},   /* Generic Gobi QDL device */
 57         {DEVICE_G1K(0x05c6, 0x9009)},   /* Generic Gobi Modem device */
 58         {DEVICE_G1K(0x05c6, 0x9201)},   /* Generic Gobi QDL device */
 59         {DEVICE_G1K(0x05c6, 0x9221)},   /* Generic Gobi QDL device */
 60         {DEVICE_G1K(0x05c6, 0x9231)},   /* Generic Gobi QDL device */
 61         {DEVICE_G1K(0x1f45, 0x0001)},   /* Unknown Gobi QDL device */
 62         {DEVICE_G1K(0x1bc7, 0x900e)},   /* Telit Gobi QDL device */
 63 
 64         /* Gobi 2000 devices */
 65         {USB_DEVICE(0x1410, 0xa010)},   /* Novatel Gobi 2000 QDL device */
 66         {USB_DEVICE(0x1410, 0xa011)},   /* Novatel Gobi 2000 QDL device */
 67         {USB_DEVICE(0x1410, 0xa012)},   /* Novatel Gobi 2000 QDL device */
 68         {USB_DEVICE(0x1410, 0xa013)},   /* Novatel Gobi 2000 QDL device */
 69         {USB_DEVICE(0x1410, 0xa014)},   /* Novatel Gobi 2000 QDL device */
 70         {USB_DEVICE(0x413c, 0x8185)},   /* Dell Gobi 2000 QDL device (N0218, VU936) */
 71         {USB_DEVICE(0x413c, 0x8186)},   /* Dell Gobi 2000 Modem device (N0218, VU936) */
 72         {USB_DEVICE(0x05c6, 0x9208)},   /* Generic Gobi 2000 QDL device */
 73         {USB_DEVICE(0x05c6, 0x920b)},   /* Generic Gobi 2000 Modem device */
 74         {USB_DEVICE(0x05c6, 0x9224)},   /* Sony Gobi 2000 QDL device (N0279, VU730) */
 75         {USB_DEVICE(0x05c6, 0x9225)},   /* Sony Gobi 2000 Modem device (N0279, VU730) */
 76         {USB_DEVICE(0x05c6, 0x9244)},   /* Samsung Gobi 2000 QDL device (VL176) */
 77         {USB_DEVICE(0x05c6, 0x9245)},   /* Samsung Gobi 2000 Modem device (VL176) */
 78         {USB_DEVICE(0x03f0, 0x241d)},   /* HP Gobi 2000 QDL device (VP412) */
 79         {USB_DEVICE(0x03f0, 0x251d)},   /* HP Gobi 2000 Modem device (VP412) */
 80         {USB_DEVICE(0x05c6, 0x9214)},   /* Acer Gobi 2000 QDL device (VP413) */
 81         {USB_DEVICE(0x05c6, 0x9215)},   /* Acer Gobi 2000 Modem device (VP413) */
 82         {USB_DEVICE(0x05c6, 0x9264)},   /* Asus Gobi 2000 QDL device (VR305) */
 83         {USB_DEVICE(0x05c6, 0x9265)},   /* Asus Gobi 2000 Modem device (VR305) */
 84         {USB_DEVICE(0x05c6, 0x9234)},   /* Top Global Gobi 2000 QDL device (VR306) */
 85         {USB_DEVICE(0x05c6, 0x9235)},   /* Top Global Gobi 2000 Modem device (VR306) */
 86         {USB_DEVICE(0x05c6, 0x9274)},   /* iRex Technologies Gobi 2000 QDL device (VR307) */
 87         {USB_DEVICE(0x05c6, 0x9275)},   /* iRex Technologies Gobi 2000 Modem device (VR307) */
 88         {USB_DEVICE(0x1199, 0x9000)},   /* Sierra Wireless Gobi 2000 QDL device (VT773) */
 89         {USB_DEVICE(0x1199, 0x9001)},   /* Sierra Wireless Gobi 2000 Modem device (VT773) */
 90         {USB_DEVICE(0x1199, 0x9002)},   /* Sierra Wireless Gobi 2000 Modem device (VT773) */
 91         {USB_DEVICE(0x1199, 0x9003)},   /* Sierra Wireless Gobi 2000 Modem device (VT773) */
 92         {USB_DEVICE(0x1199, 0x9004)},   /* Sierra Wireless Gobi 2000 Modem device (VT773) */
 93         {USB_DEVICE(0x1199, 0x9005)},   /* Sierra Wireless Gobi 2000 Modem device (VT773) */
 94         {USB_DEVICE(0x1199, 0x9006)},   /* Sierra Wireless Gobi 2000 Modem device (VT773) */
 95         {USB_DEVICE(0x1199, 0x9007)},   /* Sierra Wireless Gobi 2000 Modem device (VT773) */
 96         {USB_DEVICE(0x1199, 0x9008)},   /* Sierra Wireless Gobi 2000 Modem device (VT773) */
 97         {USB_DEVICE(0x1199, 0x9009)},   /* Sierra Wireless Gobi 2000 Modem device (VT773) */
 98         {USB_DEVICE(0x1199, 0x900a)},   /* Sierra Wireless Gobi 2000 Modem device (VT773) */
 99         {USB_DEVICE(0x1199, 0x9011)},   /* Sierra Wireless Gobi 2000 Modem device (MC8305) */
100         {USB_DEVICE(0x16d8, 0x8001)},   /* CMDTech Gobi 2000 QDL device (VU922) */
101         {USB_DEVICE(0x16d8, 0x8002)},   /* CMDTech Gobi 2000 Modem device (VU922) */
102         {USB_DEVICE(0x05c6, 0x9204)},   /* Gobi 2000 QDL device */
103         {USB_DEVICE(0x05c6, 0x9205)},   /* Gobi 2000 Modem device */
104 
105         /* Gobi 3000 devices */
106         {USB_DEVICE(0x03f0, 0x371d)},   /* HP un2430 Gobi 3000 QDL */
107         {USB_DEVICE(0x05c6, 0x920c)},   /* Gobi 3000 QDL */
108         {USB_DEVICE(0x05c6, 0x920d)},   /* Gobi 3000 Composite */
109         {USB_DEVICE(0x1410, 0xa020)},   /* Novatel Gobi 3000 QDL */
110         {USB_DEVICE(0x1410, 0xa021)},   /* Novatel Gobi 3000 Composite */
111         {USB_DEVICE(0x413c, 0x8193)},   /* Dell Gobi 3000 QDL */
112         {USB_DEVICE(0x413c, 0x8194)},   /* Dell Gobi 3000 Composite */
113         {USB_DEVICE(0x1199, 0x68a4)},   /* Sierra Wireless QDL */
114         {USB_DEVICE(0x1199, 0x68a5)},   /* Sierra Wireless Modem */
115         {USB_DEVICE(0x1199, 0x68a8)},   /* Sierra Wireless QDL */
116         {USB_DEVICE(0x1199, 0x68a9)},   /* Sierra Wireless Modem */
117         {USB_DEVICE(0x1199, 0x9010)},   /* Sierra Wireless Gobi 3000 QDL */
118         {USB_DEVICE(0x1199, 0x9012)},   /* Sierra Wireless Gobi 3000 QDL */
119         {USB_DEVICE(0x1199, 0x9013)},   /* Sierra Wireless Gobi 3000 Modem device (MC8355) */
120         {USB_DEVICE(0x1199, 0x9014)},   /* Sierra Wireless Gobi 3000 QDL */
121         {USB_DEVICE(0x1199, 0x9015)},   /* Sierra Wireless Gobi 3000 Modem device */
122         {USB_DEVICE(0x1199, 0x9018)},   /* Sierra Wireless Gobi 3000 QDL */
123         {USB_DEVICE(0x1199, 0x9019)},   /* Sierra Wireless Gobi 3000 Modem device */
124         {USB_DEVICE(0x1199, 0x901b)},   /* Sierra Wireless MC7770 */
125         {USB_DEVICE(0x12D1, 0x14F0)},   /* Sony Gobi 3000 QDL */
126         {USB_DEVICE(0x12D1, 0x14F1)},   /* Sony Gobi 3000 Composite */
127         {USB_DEVICE(0x0AF0, 0x8120)},   /* Option GTM681W */
128 
129         /* non Gobi Qualcomm serial devices */
130         {USB_DEVICE_INTERFACE_NUMBER(0x0f3d, 0x68a2, 0)},       /* Sierra Wireless MC7700 Device Management */
131         {USB_DEVICE_INTERFACE_NUMBER(0x0f3d, 0x68a2, 2)},       /* Sierra Wireless MC7700 NMEA */
132         {USB_DEVICE_INTERFACE_NUMBER(0x0f3d, 0x68a2, 3)},       /* Sierra Wireless MC7700 Modem */
133         {USB_DEVICE_INTERFACE_NUMBER(0x114f, 0x68a2, 0)},       /* Sierra Wireless MC7750 Device Management */
134         {USB_DEVICE_INTERFACE_NUMBER(0x114f, 0x68a2, 2)},       /* Sierra Wireless MC7750 NMEA */
135         {USB_DEVICE_INTERFACE_NUMBER(0x114f, 0x68a2, 3)},       /* Sierra Wireless MC7750 Modem */
136         {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 0)},       /* Sierra Wireless MC7710 Device Management */
137         {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 2)},       /* Sierra Wireless MC7710 NMEA */
138         {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68a2, 3)},       /* Sierra Wireless MC7710 Modem */
139         {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68c0, 0)},       /* Sierra Wireless MC73xx Device Management */
140         {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68c0, 2)},       /* Sierra Wireless MC73xx NMEA */
141         {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x68c0, 3)},       /* Sierra Wireless MC73xx Modem */
142         {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 0)},       /* Sierra Wireless EM7700 Device Management */
143         {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 2)},       /* Sierra Wireless EM7700 NMEA */
144         {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 3)},       /* Sierra Wireless EM7700 Modem */
145         {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901f, 0)},       /* Sierra Wireless EM7355 Device Management */
146         {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901f, 2)},       /* Sierra Wireless EM7355 NMEA */
147         {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901f, 3)},       /* Sierra Wireless EM7355 Modem */
148         {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9041, 0)},       /* Sierra Wireless MC7305/MC7355 Device Management */
149         {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9041, 2)},       /* Sierra Wireless MC7305/MC7355 NMEA */
150         {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9041, 3)},       /* Sierra Wireless MC7305/MC7355 Modem */
151         {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 0)},       /* Netgear AirCard 340U Device Management */
152         {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 2)},       /* Netgear AirCard 340U NMEA */
153         {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 3)},       /* Netgear AirCard 340U Modem */
154         {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a2, 0)},       /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card Device Management */
155         {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a2, 2)},       /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card NMEA */
156         {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a2, 3)},       /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card Modem */
157         {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a3, 0)},       /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card Device Management */
158         {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a3, 2)},       /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card NMEA */
159         {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a3, 3)},       /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card Modem */
160         {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a4, 0)},       /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card Device Management */
161         {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a4, 2)},       /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card NMEA */
162         {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a4, 3)},       /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card Modem */
163         {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a8, 0)},       /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card Device Management */
164         {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a8, 2)},       /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card NMEA */
165         {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a8, 3)},       /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card Modem */
166         {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a9, 0)},       /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card Device Management */
167         {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a9, 2)},       /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card NMEA */
168         {USB_DEVICE_INTERFACE_NUMBER(0x413c, 0x81a9, 3)},       /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card Modem */
169 
170         { }                             /* Terminating entry */
171 };
172 MODULE_DEVICE_TABLE(usb, id_table);
173 
174 static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
175 {
176         struct usb_host_interface *intf = serial->interface->cur_altsetting;
177         struct device *dev = &serial->dev->dev;
178         int retval = -ENODEV;
179         __u8 nintf;
180         __u8 ifnum;
181         bool is_gobi1k = id->driver_info ? true : false;
182         int altsetting = -1;
183 
184         dev_dbg(dev, "Is Gobi 1000 = %d\n", is_gobi1k);
185 
186         nintf = serial->dev->actconfig->desc.bNumInterfaces;
187         dev_dbg(dev, "Num Interfaces = %d\n", nintf);
188         ifnum = intf->desc.bInterfaceNumber;
189         dev_dbg(dev, "This Interface = %d\n", ifnum);
190 
191         if (nintf == 1) {
192                 /* QDL mode */
193                 /* Gobi 2000 has a single altsetting, older ones have two */
194                 if (serial->interface->num_altsetting == 2)
195                         intf = &serial->interface->altsetting[1];
196                 else if (serial->interface->num_altsetting > 2)
197                         goto done;
198 
199                 if (intf->desc.bNumEndpoints == 2 &&
200                     usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) &&
201                     usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) {
202                         dev_dbg(dev, "QDL port found\n");
203 
204                         if (serial->interface->num_altsetting == 1)
205                                 retval = 0; /* Success */
206                         else
207                                 altsetting = 1;
208                 }
209                 goto done;
210 
211         }
212 
213         /* allow any number of interfaces when doing direct interface match */
214         if (id->match_flags & USB_DEVICE_ID_MATCH_INT_NUMBER) {
215                 dev_dbg(dev, "Generic Qualcomm serial interface found\n");
216                 altsetting = 0;
217                 goto done;
218         }
219 
220         if (nintf < 3 || nintf > 4) {
221                 dev_err(dev, "unknown number of interfaces: %d\n", nintf);
222                 goto done;
223         }
224 
225         /* default to enabling interface */
226         altsetting = 0;
227 
228         /* Composite mode; don't bind to the QMI/net interface as that
229          * gets handled by other drivers.
230          */
231 
232         if (is_gobi1k) {
233                 /* Gobi 1K USB layout:
234                  * 0: DM/DIAG (use libqcdm from ModemManager for communication)
235                  * 1: serial port (doesn't respond)
236                  * 2: AT-capable modem port
237                  * 3: QMI/net
238                  */
239                 if (ifnum == 0) {
240                         dev_dbg(dev, "Gobi 1K DM/DIAG interface found\n");
241                         altsetting = 1;
242                 } else if (ifnum == 2)
243                         dev_dbg(dev, "Modem port found\n");
244                 else
245                         altsetting = -1;
246         } else {
247                 /* Gobi 2K+ USB layout:
248                  * 0: QMI/net
249                  * 1: DM/DIAG (use libqcdm from ModemManager for communication)
250                  * 2: AT-capable modem port
251                  * 3: NMEA
252                  */
253                 switch (ifnum) {
254                 case 0:
255                         /* Don't claim the QMI/net interface */
256                         altsetting = -1;
257                         break;
258                 case 1:
259                         dev_dbg(dev, "Gobi 2K+ DM/DIAG interface found\n");
260                         break;
261                 case 2:
262                         dev_dbg(dev, "Modem port found\n");
263                         break;
264                 case 3:
265                         /*
266                          * NMEA (serial line 9600 8N1)
267                          * # echo "\$GPS_START" > /dev/ttyUSBx
268                          * # echo "\$GPS_STOP"  > /dev/ttyUSBx
269                          */
270                         dev_dbg(dev, "Gobi 2K+ NMEA GPS interface found\n");
271                         break;
272                 }
273         }
274 
275 done:
276         if (altsetting >= 0) {
277                 retval = usb_set_interface(serial->dev, ifnum, altsetting);
278                 if (retval < 0) {
279                         dev_err(dev,
280                                 "Could not set interface, error %d\n",
281                                 retval);
282                         retval = -ENODEV;
283                 }
284         }
285 
286         return retval;
287 }
288 
289 static int qc_attach(struct usb_serial *serial)
290 {
291         struct usb_wwan_intf_private *data;
292 
293         data = kzalloc(sizeof(*data), GFP_KERNEL);
294         if (!data)
295                 return -ENOMEM;
296 
297         spin_lock_init(&data->susp_lock);
298 
299         usb_set_serial_data(serial, data);
300 
301         return 0;
302 }
303 
304 static void qc_release(struct usb_serial *serial)
305 {
306         struct usb_wwan_intf_private *priv = usb_get_serial_data(serial);
307 
308         usb_set_serial_data(serial, NULL);
309         kfree(priv);
310 }
311 
312 static struct usb_serial_driver qcdevice = {
313         .driver = {
314                 .owner     = THIS_MODULE,
315                 .name      = "qcserial",
316         },
317         .description         = "Qualcomm USB modem",
318         .id_table            = id_table,
319         .num_ports           = 1,
320         .probe               = qcprobe,
321         .open                = usb_wwan_open,
322         .close               = usb_wwan_close,
323         .write               = usb_wwan_write,
324         .write_room          = usb_wwan_write_room,
325         .chars_in_buffer     = usb_wwan_chars_in_buffer,
326         .attach              = qc_attach,
327         .release             = qc_release,
328         .port_probe          = usb_wwan_port_probe,
329         .port_remove         = usb_wwan_port_remove,
330 #ifdef CONFIG_PM
331         .suspend             = usb_wwan_suspend,
332         .resume              = usb_wwan_resume,
333 #endif
334 };
335 
336 static struct usb_serial_driver * const serial_drivers[] = {
337         &qcdevice, NULL
338 };
339 
340 module_usb_serial_driver(serial_drivers, id_table);
341 
342 MODULE_AUTHOR(DRIVER_AUTHOR);
343 MODULE_DESCRIPTION(DRIVER_DESC);
344 MODULE_LICENSE("GPL v2");
345 

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