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(0x03f0, 0x4e1d)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ 143 {DEVICE_SWI(0x0f3d, 0x68a2)}, /* Sierra Wireless MC7700 */ 144 {DEVICE_SWI(0x114f, 0x68a2)}, /* Sierra Wireless MC7750 */ 145 {DEVICE_SWI(0x1199, 0x68a2)}, /* Sierra Wireless MC7710 */ 146 {DEVICE_SWI(0x1199, 0x68c0)}, /* Sierra Wireless MC7304/MC7354 */ 147 {DEVICE_SWI(0x1199, 0x901c)}, /* Sierra Wireless EM7700 */ 148 {DEVICE_SWI(0x1199, 0x901f)}, /* Sierra Wireless EM7355 */ 149 {DEVICE_SWI(0x1199, 0x9040)}, /* Sierra Wireless Modem */ 150 {DEVICE_SWI(0x1199, 0x9041)}, /* Sierra Wireless MC7305/MC7355 */ 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/EM74xx */ 159 {DEVICE_SWI(0x1199, 0x9071)}, /* Sierra Wireless MC74xx/EM74xx */ 160 {DEVICE_SWI(0x413c, 0x81a2)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */ 161 {DEVICE_SWI(0x413c, 0x81a3)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */ 162 {DEVICE_SWI(0x413c, 0x81a4)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ 163 {DEVICE_SWI(0x413c, 0x81a8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */ 164 {DEVICE_SWI(0x413c, 0x81a9)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ 165 {DEVICE_SWI(0x413c, 0x81b1)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */ 166 167 /* Huawei devices */ 168 {DEVICE_HWI(0x03f0, 0x581d)}, /* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */ 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 int altsetting = -1; 182 bool sendsetup = false; 183 184 nintf = serial->dev->actconfig->desc.bNumInterfaces; 185 dev_dbg(dev, "Num Interfaces = %d\n", nintf); 186 ifnum = intf->desc.bInterfaceNumber; 187 dev_dbg(dev, "This Interface = %d\n", ifnum); 188 189 if (nintf == 1) { 190 /* QDL mode */ 191 /* Gobi 2000 has a single altsetting, older ones have two */ 192 if (serial->interface->num_altsetting == 2) 193 intf = &serial->interface->altsetting[1]; 194 else if (serial->interface->num_altsetting > 2) 195 goto done; 196 197 if (intf->desc.bNumEndpoints == 2 && 198 usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) && 199 usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) { 200 dev_dbg(dev, "QDL port found\n"); 201 202 if (serial->interface->num_altsetting == 1) 203 retval = 0; /* Success */ 204 else 205 altsetting = 1; 206 } 207 goto done; 208 209 } 210 211 /* default to enabling interface */ 212 altsetting = 0; 213 214 /* 215 * Composite mode; don't bind to the QMI/net interface as that 216 * gets handled by other drivers. 217 */ 218 219 switch (id->driver_info) { 220 case QCSERIAL_G1K: 221 /* 222 * Gobi 1K USB layout: 223 * 0: DM/DIAG (use libqcdm from ModemManager for communication) 224 * 1: serial port (doesn't respond) 225 * 2: AT-capable modem port 226 * 3: QMI/net 227 */ 228 if (nintf < 3 || nintf > 4) { 229 dev_err(dev, "unknown number of interfaces: %d\n", nintf); 230 altsetting = -1; 231 goto done; 232 } 233 234 if (ifnum == 0) { 235 dev_dbg(dev, "Gobi 1K DM/DIAG interface found\n"); 236 altsetting = 1; 237 } else if (ifnum == 2) 238 dev_dbg(dev, "Modem port found\n"); 239 else 240 altsetting = -1; 241 break; 242 case QCSERIAL_G2K: 243 /* 244 * Gobi 2K+ USB layout: 245 * 0: QMI/net 246 * 1: DM/DIAG (use libqcdm from ModemManager for communication) 247 * 2: AT-capable modem port 248 * 3: NMEA 249 */ 250 if (nintf < 3 || nintf > 4) { 251 dev_err(dev, "unknown number of interfaces: %d\n", nintf); 252 altsetting = -1; 253 goto done; 254 } 255 256 switch (ifnum) { 257 case 0: 258 /* Don't claim the QMI/net interface */ 259 altsetting = -1; 260 break; 261 case 1: 262 dev_dbg(dev, "Gobi 2K+ DM/DIAG interface found\n"); 263 break; 264 case 2: 265 dev_dbg(dev, "Modem port found\n"); 266 break; 267 case 3: 268 /* 269 * NMEA (serial line 9600 8N1) 270 * # echo "\$GPS_START" > /dev/ttyUSBx 271 * # echo "\$GPS_STOP" > /dev/ttyUSBx 272 */ 273 dev_dbg(dev, "Gobi 2K+ NMEA GPS interface found\n"); 274 break; 275 } 276 break; 277 case QCSERIAL_SWI: 278 /* 279 * Sierra Wireless layout: 280 * 0: DM/DIAG (use libqcdm from ModemManager for communication) 281 * 2: NMEA 282 * 3: AT-capable modem port 283 * 8: QMI/net 284 */ 285 switch (ifnum) { 286 case 0: 287 dev_dbg(dev, "DM/DIAG interface found\n"); 288 break; 289 case 2: 290 dev_dbg(dev, "NMEA GPS interface found\n"); 291 break; 292 case 3: 293 dev_dbg(dev, "Modem port found\n"); 294 sendsetup = true; 295 break; 296 default: 297 /* don't claim any unsupported interface */ 298 altsetting = -1; 299 break; 300 } 301 break; 302 case QCSERIAL_HWI: 303 /* 304 * Huawei layout: 305 * 0: AT-capable modem port 306 * 1: DM/DIAG 307 * 2: AT-capable modem port 308 * 3: CCID-compatible PCSC interface 309 * 4: QMI/net 310 * 5: NMEA 311 */ 312 switch (ifnum) { 313 case 0: 314 case 2: 315 dev_dbg(dev, "Modem port found\n"); 316 break; 317 case 1: 318 dev_dbg(dev, "DM/DIAG interface found\n"); 319 break; 320 case 5: 321 dev_dbg(dev, "NMEA GPS interface found\n"); 322 break; 323 default: 324 /* don't claim any unsupported interface */ 325 altsetting = -1; 326 break; 327 } 328 break; 329 default: 330 dev_err(dev, "unsupported device layout type: %lu\n", 331 id->driver_info); 332 break; 333 } 334 335 done: 336 if (altsetting >= 0) { 337 retval = usb_set_interface(serial->dev, ifnum, altsetting); 338 if (retval < 0) { 339 dev_err(dev, 340 "Could not set interface, error %d\n", 341 retval); 342 retval = -ENODEV; 343 } 344 } 345 346 if (!retval) 347 usb_set_serial_data(serial, (void *)(unsigned long)sendsetup); 348 349 return retval; 350 } 351 352 static int qc_attach(struct usb_serial *serial) 353 { 354 struct usb_wwan_intf_private *data; 355 bool sendsetup; 356 357 data = kzalloc(sizeof(*data), GFP_KERNEL); 358 if (!data) 359 return -ENOMEM; 360 361 sendsetup = !!(unsigned long)(usb_get_serial_data(serial)); 362 if (sendsetup) 363 data->use_send_setup = 1; 364 365 spin_lock_init(&data->susp_lock); 366 367 usb_set_serial_data(serial, data); 368 369 return 0; 370 } 371 372 static void qc_release(struct usb_serial *serial) 373 { 374 struct usb_wwan_intf_private *priv = usb_get_serial_data(serial); 375 376 usb_set_serial_data(serial, NULL); 377 kfree(priv); 378 } 379 380 static struct usb_serial_driver qcdevice = { 381 .driver = { 382 .owner = THIS_MODULE, 383 .name = "qcserial", 384 }, 385 .description = "Qualcomm USB modem", 386 .id_table = id_table, 387 .num_ports = 1, 388 .probe = qcprobe, 389 .open = usb_wwan_open, 390 .close = usb_wwan_close, 391 .dtr_rts = usb_wwan_dtr_rts, 392 .write = usb_wwan_write, 393 .write_room = usb_wwan_write_room, 394 .chars_in_buffer = usb_wwan_chars_in_buffer, 395 .attach = qc_attach, 396 .release = qc_release, 397 .port_probe = usb_wwan_port_probe, 398 .port_remove = usb_wwan_port_remove, 399 #ifdef CONFIG_PM 400 .suspend = usb_wwan_suspend, 401 .resume = usb_wwan_resume, 402 #endif 403 }; 404 405 static struct usb_serial_driver * const serial_drivers[] = { 406 &qcdevice, NULL 407 }; 408 409 module_usb_serial_driver(serial_drivers, id_table); 410 411 MODULE_AUTHOR(DRIVER_AUTHOR); 412 MODULE_DESCRIPTION(DRIVER_DESC); 413 MODULE_LICENSE("GPL v2"); 414