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 QUECTEL_EC20_PID 0x9215 26 27/* standard device layouts supported by this driver */ 28enum qcserial_layouts { 29 QCSERIAL_G2K = 0, /* Gobi 2000 */ 30 QCSERIAL_G1K = 1, /* Gobi 1000 */ 31 QCSERIAL_SWI = 2, /* Sierra Wireless */ 32 QCSERIAL_HWI = 3, /* Huawei */ 33}; 34 35#define DEVICE_G1K(v, p) \ 36 USB_DEVICE(v, p), .driver_info = QCSERIAL_G1K 37#define DEVICE_SWI(v, p) \ 38 USB_DEVICE(v, p), .driver_info = QCSERIAL_SWI 39#define DEVICE_HWI(v, p) \ 40 USB_DEVICE(v, p), .driver_info = QCSERIAL_HWI 41 42static const struct usb_device_id id_table[] = { 43 /* Gobi 1000 devices */ 44 {DEVICE_G1K(0x05c6, 0x9211)}, /* Acer Gobi QDL device */ 45 {DEVICE_G1K(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ 46 {DEVICE_G1K(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */ 47 {DEVICE_G1K(0x03f0, 0x201d)}, /* HP un2400 Gobi QDL Device */ 48 {DEVICE_G1K(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */ 49 {DEVICE_G1K(0x04da, 0x250c)}, /* Panasonic Gobi QDL device */ 50 {DEVICE_G1K(0x413c, 0x8172)}, /* Dell Gobi Modem device */ 51 {DEVICE_G1K(0x413c, 0x8171)}, /* Dell Gobi QDL device */ 52 {DEVICE_G1K(0x1410, 0xa001)}, /* Novatel/Verizon USB-1000 */ 53 {DEVICE_G1K(0x1410, 0xa002)}, /* Novatel Gobi Modem device */ 54 {DEVICE_G1K(0x1410, 0xa003)}, /* Novatel Gobi Modem device */ 55 {DEVICE_G1K(0x1410, 0xa004)}, /* Novatel Gobi Modem device */ 56 {DEVICE_G1K(0x1410, 0xa005)}, /* Novatel Gobi Modem device */ 57 {DEVICE_G1K(0x1410, 0xa006)}, /* Novatel Gobi Modem device */ 58 {DEVICE_G1K(0x1410, 0xa007)}, /* Novatel Gobi Modem device */ 59 {DEVICE_G1K(0x1410, 0xa008)}, /* Novatel Gobi QDL device */ 60 {DEVICE_G1K(0x0b05, 0x1776)}, /* Asus Gobi Modem device */ 61 {DEVICE_G1K(0x0b05, 0x1774)}, /* Asus Gobi QDL device */ 62 {DEVICE_G1K(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */ 63 {DEVICE_G1K(0x19d2, 0xfff2)}, /* ONDA Gobi QDL device */ 64 {DEVICE_G1K(0x1557, 0x0a80)}, /* OQO Gobi QDL device */ 65 {DEVICE_G1K(0x05c6, 0x9001)}, /* Generic Gobi Modem device */ 66 {DEVICE_G1K(0x05c6, 0x9002)}, /* Generic Gobi Modem device */ 67 {DEVICE_G1K(0x05c6, 0x9202)}, /* Generic Gobi Modem device */ 68 {DEVICE_G1K(0x05c6, 0x9203)}, /* Generic Gobi Modem device */ 69 {DEVICE_G1K(0x05c6, 0x9222)}, /* Generic Gobi Modem device */ 70 {DEVICE_G1K(0x05c6, 0x9008)}, /* Generic Gobi QDL device */ 71 {DEVICE_G1K(0x05c6, 0x9009)}, /* Generic Gobi Modem device */ 72 {DEVICE_G1K(0x05c6, 0x9201)}, /* Generic Gobi QDL device */ 73 {DEVICE_G1K(0x05c6, 0x9221)}, /* Generic Gobi QDL device */ 74 {DEVICE_G1K(0x05c6, 0x9231)}, /* Generic Gobi QDL device */ 75 {DEVICE_G1K(0x1f45, 0x0001)}, /* Unknown Gobi QDL device */ 76 {DEVICE_G1K(0x1bc7, 0x900e)}, /* Telit Gobi QDL device */ 77 78 /* Gobi 2000 devices */ 79 {USB_DEVICE(0x1410, 0xa010)}, /* Novatel Gobi 2000 QDL device */ 80 {USB_DEVICE(0x1410, 0xa011)}, /* Novatel Gobi 2000 QDL device */ 81 {USB_DEVICE(0x1410, 0xa012)}, /* Novatel Gobi 2000 QDL device */ 82 {USB_DEVICE(0x1410, 0xa013)}, /* Novatel Gobi 2000 QDL device */ 83 {USB_DEVICE(0x1410, 0xa014)}, /* Novatel Gobi 2000 QDL device */ 84 {USB_DEVICE(0x413c, 0x8185)}, /* Dell Gobi 2000 QDL device (N0218, VU936) */ 85 {USB_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */ 86 {USB_DEVICE(0x05c6, 0x9208)}, /* Generic Gobi 2000 QDL device */ 87 {USB_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */ 88 {USB_DEVICE(0x05c6, 0x9224)}, /* Sony Gobi 2000 QDL device (N0279, VU730) */ 89 {USB_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */ 90 {USB_DEVICE(0x05c6, 0x9244)}, /* Samsung Gobi 2000 QDL device (VL176) */ 91 {USB_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */ 92 {USB_DEVICE(0x03f0, 0x241d)}, /* HP Gobi 2000 QDL device (VP412) */ 93 {USB_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */ 94 {USB_DEVICE(0x05c6, 0x9214)}, /* Acer Gobi 2000 QDL device (VP413) */ 95 {USB_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */ 96 {USB_DEVICE(0x05c6, 0x9264)}, /* Asus Gobi 2000 QDL device (VR305) */ 97 {USB_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */ 98 {USB_DEVICE(0x05c6, 0x9234)}, /* Top Global Gobi 2000 QDL device (VR306) */ 99 {USB_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */ 100 {USB_DEVICE(0x05c6, 0x9274)}, /* iRex Technologies Gobi 2000 QDL device (VR307) */ 101 {USB_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */ 102 {USB_DEVICE(0x1199, 0x9000)}, /* Sierra Wireless Gobi 2000 QDL device (VT773) */ 103 {USB_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 104 {USB_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 105 {USB_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 106 {USB_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 107 {USB_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 108 {USB_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 109 {USB_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 110 {USB_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 111 {USB_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 112 {USB_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 113 {USB_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */ 114 {USB_DEVICE(0x16d8, 0x8001)}, /* CMDTech Gobi 2000 QDL device (VU922) */ 115 {USB_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */ 116 {USB_DEVICE(0x05c6, 0x9204)}, /* Gobi 2000 QDL device */ 117 {USB_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */ 118 119 /* Gobi 3000 devices */ 120 {USB_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Gobi 3000 QDL */ 121 {USB_DEVICE(0x05c6, 0x920c)}, /* Gobi 3000 QDL */ 122 {USB_DEVICE(0x05c6, 0x920d)}, /* Gobi 3000 Composite */ 123 {USB_DEVICE(0x1410, 0xa020)}, /* Novatel Gobi 3000 QDL */ 124 {USB_DEVICE(0x1410, 0xa021)}, /* Novatel Gobi 3000 Composite */ 125 {USB_DEVICE(0x413c, 0x8193)}, /* Dell Gobi 3000 QDL */ 126 {USB_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */ 127 {USB_DEVICE(0x1199, 0x68a4)}, /* Sierra Wireless QDL */ 128 {USB_DEVICE(0x1199, 0x68a5)}, /* Sierra Wireless Modem */ 129 {USB_DEVICE(0x1199, 0x68a8)}, /* Sierra Wireless QDL */ 130 {USB_DEVICE(0x1199, 0x68a9)}, /* Sierra Wireless Modem */ 131 {USB_DEVICE(0x1199, 0x9010)}, /* Sierra Wireless Gobi 3000 QDL */ 132 {USB_DEVICE(0x1199, 0x9012)}, /* Sierra Wireless Gobi 3000 QDL */ 133 {USB_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */ 134 {USB_DEVICE(0x1199, 0x9014)}, /* Sierra Wireless Gobi 3000 QDL */ 135 {USB_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */ 136 {USB_DEVICE(0x1199, 0x9018)}, /* Sierra Wireless Gobi 3000 QDL */ 137 {USB_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */ 138 {USB_DEVICE(0x1199, 0x901b)}, /* Sierra Wireless MC7770 */ 139 {USB_DEVICE(0x12D1, 0x14F0)}, /* Sony Gobi 3000 QDL */ 140 {USB_DEVICE(0x12D1, 0x14F1)}, /* Sony Gobi 3000 Composite */ 141 {USB_DEVICE(0x0AF0, 0x8120)}, /* Option GTM681W */ 142 143 /* non-Gobi Sierra Wireless devices */ 144 {DEVICE_SWI(0x03f0, 0x4e1d)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ 145 {DEVICE_SWI(0x0f3d, 0x68a2)}, /* Sierra Wireless MC7700 */ 146 {DEVICE_SWI(0x114f, 0x68a2)}, /* Sierra Wireless MC7750 */ 147 {DEVICE_SWI(0x1199, 0x68a2)}, /* Sierra Wireless MC7710 */ 148 {DEVICE_SWI(0x1199, 0x901c)}, /* Sierra Wireless EM7700 */ 149 {DEVICE_SWI(0x1199, 0x901f)}, /* Sierra Wireless EM7355 */ 150 {DEVICE_SWI(0x1199, 0x9040)}, /* Sierra Wireless Modem */ 151 {DEVICE_SWI(0x1199, 0x9051)}, /* Netgear AirCard 340U */ 152 {DEVICE_SWI(0x1199, 0x9053)}, /* Sierra Wireless Modem */ 153 {DEVICE_SWI(0x1199, 0x9054)}, /* Sierra Wireless Modem */ 154 {DEVICE_SWI(0x1199, 0x9055)}, /* Netgear AirCard 341U */ 155 {DEVICE_SWI(0x1199, 0x9056)}, /* Sierra Wireless Modem */ 156 {DEVICE_SWI(0x1199, 0x9060)}, /* Sierra Wireless Modem */ 157 {DEVICE_SWI(0x1199, 0x9061)}, /* Sierra Wireless Modem */ 158 {DEVICE_SWI(0x1199, 0x9070)}, /* Sierra Wireless MC74xx */ 159 {DEVICE_SWI(0x1199, 0x9071)}, /* Sierra Wireless MC74xx */ 160 {DEVICE_SWI(0x1199, 0x9078)}, /* Sierra Wireless EM74xx */ 161 {DEVICE_SWI(0x1199, 0x9079)}, /* Sierra Wireless EM74xx */ 162 {DEVICE_SWI(0x413c, 0x81a2)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */ 163 {DEVICE_SWI(0x413c, 0x81a3)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */ 164 {DEVICE_SWI(0x413c, 0x81a4)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ 165 {DEVICE_SWI(0x413c, 0x81a8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */ 166 {DEVICE_SWI(0x413c, 0x81a9)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ 167 {DEVICE_SWI(0x413c, 0x81b1)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */ 168 {DEVICE_SWI(0x413c, 0x81b3)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */ 169 170 /* Huawei devices */ 171 {DEVICE_HWI(0x03f0, 0x581d)}, /* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */ 172 173 { } /* Terminating entry */ 174}; 175MODULE_DEVICE_TABLE(usb, id_table); 176 177static int handle_quectel_ec20(struct device *dev, int ifnum) 178{ 179 int altsetting = 0; 180 181 /* 182 * Quectel EC20 Mini PCIe LTE module layout: 183 * 0: DM/DIAG (use libqcdm from ModemManager for communication) 184 * 1: NMEA 185 * 2: AT-capable modem port 186 * 3: Modem interface 187 * 4: NDIS 188 */ 189 switch (ifnum) { 190 case 0: 191 dev_dbg(dev, "Quectel EC20 DM/DIAG interface found\n"); 192 break; 193 case 1: 194 dev_dbg(dev, "Quectel EC20 NMEA GPS interface found\n"); 195 break; 196 case 2: 197 case 3: 198 dev_dbg(dev, "Quectel EC20 Modem port found\n"); 199 break; 200 case 4: 201 /* Don't claim the QMI/net interface */ 202 altsetting = -1; 203 break; 204 } 205 206 return altsetting; 207} 208 209static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) 210{ 211 struct usb_host_interface *intf = serial->interface->cur_altsetting; 212 struct device *dev = &serial->dev->dev; 213 int retval = -ENODEV; 214 __u8 nintf; 215 __u8 ifnum; 216 int altsetting = -1; 217 218 /* we only support vendor specific functions */ 219 if (intf->desc.bInterfaceClass != USB_CLASS_VENDOR_SPEC) 220 goto done; 221 222 nintf = serial->dev->actconfig->desc.bNumInterfaces; 223 dev_dbg(dev, "Num Interfaces = %d\n", nintf); 224 ifnum = intf->desc.bInterfaceNumber; 225 dev_dbg(dev, "This Interface = %d\n", ifnum); 226 227 if (nintf == 1) { 228 /* QDL mode */ 229 /* Gobi 2000 has a single altsetting, older ones have two */ 230 if (serial->interface->num_altsetting == 2) 231 intf = &serial->interface->altsetting[1]; 232 else if (serial->interface->num_altsetting > 2) 233 goto done; 234 235 if (intf->desc.bNumEndpoints == 2 && 236 usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) && 237 usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) { 238 dev_dbg(dev, "QDL port found\n"); 239 240 if (serial->interface->num_altsetting == 1) 241 retval = 0; /* Success */ 242 else 243 altsetting = 1; 244 } 245 goto done; 246 247 } 248 249 /* default to enabling interface */ 250 altsetting = 0; 251 252 /* 253 * Composite mode; don't bind to the QMI/net interface as that 254 * gets handled by other drivers. 255 */ 256 257 switch (id->driver_info) { 258 case QCSERIAL_G1K: 259 /* 260 * Gobi 1K USB layout: 261 * 0: DM/DIAG (use libqcdm from ModemManager for communication) 262 * 1: serial port (doesn't respond) 263 * 2: AT-capable modem port 264 * 3: QMI/net 265 */ 266 if (nintf < 3 || nintf > 4) { 267 dev_err(dev, "unknown number of interfaces: %d\n", nintf); 268 altsetting = -1; 269 goto done; 270 } 271 272 if (ifnum == 0) { 273 dev_dbg(dev, "Gobi 1K DM/DIAG interface found\n"); 274 altsetting = 1; 275 } else if (ifnum == 2) 276 dev_dbg(dev, "Modem port found\n"); 277 else 278 altsetting = -1; 279 break; 280 case QCSERIAL_G2K: 281 /* handle non-standard layouts */ 282 if (nintf == 5 && id->idProduct == QUECTEL_EC20_PID) { 283 altsetting = handle_quectel_ec20(dev, ifnum); 284 goto done; 285 } 286 287 /* 288 * Gobi 2K+ USB layout: 289 * 0: QMI/net 290 * 1: DM/DIAG (use libqcdm from ModemManager for communication) 291 * 2: AT-capable modem port 292 * 3: NMEA 293 */ 294 if (nintf < 3 || nintf > 4) { 295 dev_err(dev, "unknown number of interfaces: %d\n", nintf); 296 altsetting = -1; 297 goto done; 298 } 299 300 switch (ifnum) { 301 case 0: 302 /* Don't claim the QMI/net interface */ 303 altsetting = -1; 304 break; 305 case 1: 306 dev_dbg(dev, "Gobi 2K+ DM/DIAG interface found\n"); 307 break; 308 case 2: 309 dev_dbg(dev, "Modem port found\n"); 310 break; 311 case 3: 312 /* 313 * NMEA (serial line 9600 8N1) 314 * # echo "\$GPS_START" > /dev/ttyUSBx 315 * # echo "\$GPS_STOP" > /dev/ttyUSBx 316 */ 317 dev_dbg(dev, "Gobi 2K+ NMEA GPS interface found\n"); 318 break; 319 } 320 break; 321 case QCSERIAL_SWI: 322 /* 323 * Sierra Wireless layout: 324 * 0: DM/DIAG (use libqcdm from ModemManager for communication) 325 * 2: NMEA 326 * 3: AT-capable modem port 327 * 8: QMI/net 328 */ 329 switch (ifnum) { 330 case 0: 331 dev_dbg(dev, "DM/DIAG interface found\n"); 332 break; 333 case 2: 334 dev_dbg(dev, "NMEA GPS interface found\n"); 335 break; 336 case 3: 337 dev_dbg(dev, "Modem port found\n"); 338 break; 339 default: 340 /* don't claim any unsupported interface */ 341 altsetting = -1; 342 break; 343 } 344 break; 345 case QCSERIAL_HWI: 346 /* 347 * Huawei devices map functions by subclass + protocol 348 * instead of interface numbers. The protocol identify 349 * a specific function, while the subclass indicate a 350 * specific firmware source 351 * 352 * This is a blacklist of functions known to be 353 * non-serial. The rest are assumed to be serial and 354 * will be handled by this driver 355 */ 356 switch (intf->desc.bInterfaceProtocol) { 357 /* QMI combined (qmi_wwan) */ 358 case 0x07: 359 case 0x37: 360 case 0x67: 361 /* QMI data (qmi_wwan) */ 362 case 0x08: 363 case 0x38: 364 case 0x68: 365 /* QMI control (qmi_wwan) */ 366 case 0x09: 367 case 0x39: 368 case 0x69: 369 /* NCM like (huawei_cdc_ncm) */ 370 case 0x16: 371 case 0x46: 372 case 0x76: 373 altsetting = -1; 374 break; 375 default: 376 dev_dbg(dev, "Huawei type serial port found (%02x/%02x/%02x)\n", 377 intf->desc.bInterfaceClass, 378 intf->desc.bInterfaceSubClass, 379 intf->desc.bInterfaceProtocol); 380 } 381 break; 382 default: 383 dev_err(dev, "unsupported device layout type: %lu\n", 384 id->driver_info); 385 break; 386 } 387 388done: 389 if (altsetting >= 0) { 390 retval = usb_set_interface(serial->dev, ifnum, altsetting); 391 if (retval < 0) { 392 dev_err(dev, 393 "Could not set interface, error %d\n", 394 retval); 395 retval = -ENODEV; 396 } 397 } 398 399 return retval; 400} 401 402static int qc_attach(struct usb_serial *serial) 403{ 404 struct usb_wwan_intf_private *data; 405 406 data = kzalloc(sizeof(*data), GFP_KERNEL); 407 if (!data) 408 return -ENOMEM; 409 410 spin_lock_init(&data->susp_lock); 411 412 usb_set_serial_data(serial, data); 413 414 return 0; 415} 416 417static void qc_release(struct usb_serial *serial) 418{ 419 struct usb_wwan_intf_private *priv = usb_get_serial_data(serial); 420 421 usb_set_serial_data(serial, NULL); 422 kfree(priv); 423} 424 425static struct usb_serial_driver qcdevice = { 426 .driver = { 427 .owner = THIS_MODULE, 428 .name = "qcserial", 429 }, 430 .description = "Qualcomm USB modem", 431 .id_table = id_table, 432 .num_ports = 1, 433 .probe = qcprobe, 434 .open = usb_wwan_open, 435 .close = usb_wwan_close, 436 .write = usb_wwan_write, 437 .write_room = usb_wwan_write_room, 438 .chars_in_buffer = usb_wwan_chars_in_buffer, 439 .attach = qc_attach, 440 .release = qc_release, 441 .port_probe = usb_wwan_port_probe, 442 .port_remove = usb_wwan_port_remove, 443#ifdef CONFIG_PM 444 .suspend = usb_wwan_suspend, 445 .resume = usb_wwan_resume, 446#endif 447}; 448 449static struct usb_serial_driver * const serial_drivers[] = { 450 &qcdevice, NULL 451}; 452 453module_usb_serial_driver(serial_drivers, id_table); 454 455MODULE_AUTHOR(DRIVER_AUTHOR); 456MODULE_DESCRIPTION(DRIVER_DESC); 457MODULE_LICENSE("GPL v2"); 458