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