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 }; 31 32 #define DEVICE_G1K(v, p) \ 33 USB_DEVICE(v, p), .driver_info = QCSERIAL_G1K 34 #define DEVICE_SWI(v, p) \ 35 USB_DEVICE(v, p), .driver_info = QCSERIAL_SWI 36 37 static const struct usb_device_id id_table[] = { 38 /* Gobi 1000 devices */ 39 {DEVICE_G1K(0x05c6, 0x9211)}, /* Acer Gobi QDL device */ 40 {DEVICE_G1K(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ 41 {DEVICE_G1K(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */ 42 {DEVICE_G1K(0x03f0, 0x201d)}, /* HP un2400 Gobi QDL Device */ 43 {DEVICE_G1K(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */ 44 {DEVICE_G1K(0x04da, 0x250c)}, /* Panasonic Gobi QDL device */ 45 {DEVICE_G1K(0x413c, 0x8172)}, /* Dell Gobi Modem device */ 46 {DEVICE_G1K(0x413c, 0x8171)}, /* Dell Gobi QDL device */ 47 {DEVICE_G1K(0x1410, 0xa001)}, /* Novatel/Verizon USB-1000 */ 48 {DEVICE_G1K(0x1410, 0xa002)}, /* Novatel Gobi Modem device */ 49 {DEVICE_G1K(0x1410, 0xa003)}, /* Novatel Gobi Modem device */ 50 {DEVICE_G1K(0x1410, 0xa004)}, /* Novatel Gobi Modem device */ 51 {DEVICE_G1K(0x1410, 0xa005)}, /* Novatel Gobi Modem device */ 52 {DEVICE_G1K(0x1410, 0xa006)}, /* Novatel Gobi Modem device */ 53 {DEVICE_G1K(0x1410, 0xa007)}, /* Novatel Gobi Modem device */ 54 {DEVICE_G1K(0x1410, 0xa008)}, /* Novatel Gobi QDL device */ 55 {DEVICE_G1K(0x0b05, 0x1776)}, /* Asus Gobi Modem device */ 56 {DEVICE_G1K(0x0b05, 0x1774)}, /* Asus Gobi QDL device */ 57 {DEVICE_G1K(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */ 58 {DEVICE_G1K(0x19d2, 0xfff2)}, /* ONDA Gobi QDL device */ 59 {DEVICE_G1K(0x1557, 0x0a80)}, /* OQO Gobi QDL device */ 60 {DEVICE_G1K(0x05c6, 0x9001)}, /* Generic Gobi Modem device */ 61 {DEVICE_G1K(0x05c6, 0x9002)}, /* Generic Gobi Modem device */ 62 {DEVICE_G1K(0x05c6, 0x9202)}, /* Generic Gobi Modem device */ 63 {DEVICE_G1K(0x05c6, 0x9203)}, /* Generic Gobi Modem device */ 64 {DEVICE_G1K(0x05c6, 0x9222)}, /* Generic Gobi Modem device */ 65 {DEVICE_G1K(0x05c6, 0x9008)}, /* Generic Gobi QDL device */ 66 {DEVICE_G1K(0x05c6, 0x9009)}, /* Generic Gobi Modem device */ 67 {DEVICE_G1K(0x05c6, 0x9201)}, /* Generic Gobi QDL device */ 68 {DEVICE_G1K(0x05c6, 0x9221)}, /* Generic Gobi QDL device */ 69 {DEVICE_G1K(0x05c6, 0x9231)}, /* Generic Gobi QDL device */ 70 {DEVICE_G1K(0x1f45, 0x0001)}, /* Unknown Gobi QDL device */ 71 {DEVICE_G1K(0x1bc7, 0x900e)}, /* Telit Gobi QDL device */ 72 73 /* Gobi 2000 devices */ 74 {USB_DEVICE(0x1410, 0xa010)}, /* Novatel Gobi 2000 QDL device */ 75 {USB_DEVICE(0x1410, 0xa011)}, /* Novatel Gobi 2000 QDL device */ 76 {USB_DEVICE(0x1410, 0xa012)}, /* Novatel Gobi 2000 QDL device */ 77 {USB_DEVICE(0x1410, 0xa013)}, /* Novatel Gobi 2000 QDL device */ 78 {USB_DEVICE(0x1410, 0xa014)}, /* Novatel Gobi 2000 QDL device */ 79 {USB_DEVICE(0x413c, 0x8185)}, /* Dell Gobi 2000 QDL device (N0218, VU936) */ 80 {USB_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */ 81 {USB_DEVICE(0x05c6, 0x9208)}, /* Generic Gobi 2000 QDL device */ 82 {USB_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */ 83 {USB_DEVICE(0x05c6, 0x9224)}, /* Sony Gobi 2000 QDL device (N0279, VU730) */ 84 {USB_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */ 85 {USB_DEVICE(0x05c6, 0x9244)}, /* Samsung Gobi 2000 QDL device (VL176) */ 86 {USB_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */ 87 {USB_DEVICE(0x03f0, 0x241d)}, /* HP Gobi 2000 QDL device (VP412) */ 88 {USB_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */ 89 {USB_DEVICE(0x05c6, 0x9214)}, /* Acer Gobi 2000 QDL device (VP413) */ 90 {USB_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */ 91 {USB_DEVICE(0x05c6, 0x9264)}, /* Asus Gobi 2000 QDL device (VR305) */ 92 {USB_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */ 93 {USB_DEVICE(0x05c6, 0x9234)}, /* Top Global Gobi 2000 QDL device (VR306) */ 94 {USB_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */ 95 {USB_DEVICE(0x05c6, 0x9274)}, /* iRex Technologies Gobi 2000 QDL device (VR307) */ 96 {USB_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */ 97 {USB_DEVICE(0x1199, 0x9000)}, /* Sierra Wireless Gobi 2000 QDL device (VT773) */ 98 {USB_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 99 {USB_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 100 {USB_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 101 {USB_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 102 {USB_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 103 {USB_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 104 {USB_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 105 {USB_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 106 {USB_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 107 {USB_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 108 {USB_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */ 109 {USB_DEVICE(0x16d8, 0x8001)}, /* CMDTech Gobi 2000 QDL device (VU922) */ 110 {USB_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */ 111 {USB_DEVICE(0x05c6, 0x9204)}, /* Gobi 2000 QDL device */ 112 {USB_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */ 113 114 /* Gobi 3000 devices */ 115 {USB_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Gobi 3000 QDL */ 116 {USB_DEVICE(0x05c6, 0x920c)}, /* Gobi 3000 QDL */ 117 {USB_DEVICE(0x05c6, 0x920d)}, /* Gobi 3000 Composite */ 118 {USB_DEVICE(0x1410, 0xa020)}, /* Novatel Gobi 3000 QDL */ 119 {USB_DEVICE(0x1410, 0xa021)}, /* Novatel Gobi 3000 Composite */ 120 {USB_DEVICE(0x413c, 0x8193)}, /* Dell Gobi 3000 QDL */ 121 {USB_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */ 122 {USB_DEVICE(0x1199, 0x68a4)}, /* Sierra Wireless QDL */ 123 {USB_DEVICE(0x1199, 0x68a5)}, /* Sierra Wireless Modem */ 124 {USB_DEVICE(0x1199, 0x68a8)}, /* Sierra Wireless QDL */ 125 {USB_DEVICE(0x1199, 0x68a9)}, /* Sierra Wireless Modem */ 126 {USB_DEVICE(0x1199, 0x9010)}, /* Sierra Wireless Gobi 3000 QDL */ 127 {USB_DEVICE(0x1199, 0x9012)}, /* Sierra Wireless Gobi 3000 QDL */ 128 {USB_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */ 129 {USB_DEVICE(0x1199, 0x9014)}, /* Sierra Wireless Gobi 3000 QDL */ 130 {USB_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */ 131 {USB_DEVICE(0x1199, 0x9018)}, /* Sierra Wireless Gobi 3000 QDL */ 132 {USB_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */ 133 {USB_DEVICE(0x1199, 0x901b)}, /* Sierra Wireless MC7770 */ 134 {USB_DEVICE(0x12D1, 0x14F0)}, /* Sony Gobi 3000 QDL */ 135 {USB_DEVICE(0x12D1, 0x14F1)}, /* Sony Gobi 3000 Composite */ 136 {USB_DEVICE(0x0AF0, 0x8120)}, /* Option GTM681W */ 137 138 /* non-Gobi Sierra Wireless devices */ 139 {DEVICE_SWI(0x0f3d, 0x68a2)}, /* Sierra Wireless MC7700 */ 140 {DEVICE_SWI(0x114f, 0x68a2)}, /* Sierra Wireless MC7750 */ 141 {DEVICE_SWI(0x1199, 0x68a2)}, /* Sierra Wireless MC7710 */ 142 {DEVICE_SWI(0x1199, 0x68c0)}, /* Sierra Wireless MC73xx */ 143 {DEVICE_SWI(0x1199, 0x901c)}, /* Sierra Wireless EM7700 */ 144 {DEVICE_SWI(0x1199, 0x901f)}, /* Sierra Wireless EM7355 */ 145 {DEVICE_SWI(0x1199, 0x9040)}, /* Sierra Wireless Modem */ 146 {DEVICE_SWI(0x1199, 0x9041)}, /* Sierra Wireless MC7305/MC7355 */ 147 {DEVICE_SWI(0x1199, 0x9051)}, /* Netgear AirCard 340U */ 148 {DEVICE_SWI(0x1199, 0x9053)}, /* Sierra Wireless Modem */ 149 {DEVICE_SWI(0x1199, 0x9054)}, /* Sierra Wireless Modem */ 150 {DEVICE_SWI(0x1199, 0x9055)}, /* Netgear AirCard 341U */ 151 {DEVICE_SWI(0x1199, 0x9056)}, /* Sierra Wireless Modem */ 152 {DEVICE_SWI(0x1199, 0x9060)}, /* Sierra Wireless Modem */ 153 {DEVICE_SWI(0x1199, 0x9061)}, /* Sierra Wireless Modem */ 154 {DEVICE_SWI(0x413c, 0x81a2)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */ 155 {DEVICE_SWI(0x413c, 0x81a3)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */ 156 {DEVICE_SWI(0x413c, 0x81a4)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ 157 {DEVICE_SWI(0x413c, 0x81a8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */ 158 {DEVICE_SWI(0x413c, 0x81a9)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ 159 160 { } /* Terminating entry */ 161 }; 162 MODULE_DEVICE_TABLE(usb, id_table); 163 164 static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) 165 { 166 struct usb_host_interface *intf = serial->interface->cur_altsetting; 167 struct device *dev = &serial->dev->dev; 168 int retval = -ENODEV; 169 __u8 nintf; 170 __u8 ifnum; 171 int altsetting = -1; 172 173 nintf = serial->dev->actconfig->desc.bNumInterfaces; 174 dev_dbg(dev, "Num Interfaces = %d\n", nintf); 175 ifnum = intf->desc.bInterfaceNumber; 176 dev_dbg(dev, "This Interface = %d\n", ifnum); 177 178 if (nintf == 1) { 179 /* QDL mode */ 180 /* Gobi 2000 has a single altsetting, older ones have two */ 181 if (serial->interface->num_altsetting == 2) 182 intf = &serial->interface->altsetting[1]; 183 else if (serial->interface->num_altsetting > 2) 184 goto done; 185 186 if (intf->desc.bNumEndpoints == 2 && 187 usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) && 188 usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) { 189 dev_dbg(dev, "QDL port found\n"); 190 191 if (serial->interface->num_altsetting == 1) 192 retval = 0; /* Success */ 193 else 194 altsetting = 1; 195 } 196 goto done; 197 198 } 199 200 /* default to enabling interface */ 201 altsetting = 0; 202 203 /* 204 * Composite mode; don't bind to the QMI/net interface as that 205 * gets handled by other drivers. 206 */ 207 208 switch (id->driver_info) { 209 case QCSERIAL_G1K: 210 /* 211 * Gobi 1K USB layout: 212 * 0: DM/DIAG (use libqcdm from ModemManager for communication) 213 * 1: serial port (doesn't respond) 214 * 2: AT-capable modem port 215 * 3: QMI/net 216 */ 217 if (nintf < 3 || nintf > 4) { 218 dev_err(dev, "unknown number of interfaces: %d\n", nintf); 219 altsetting = -1; 220 goto done; 221 } 222 223 if (ifnum == 0) { 224 dev_dbg(dev, "Gobi 1K DM/DIAG interface found\n"); 225 altsetting = 1; 226 } else if (ifnum == 2) 227 dev_dbg(dev, "Modem port found\n"); 228 else 229 altsetting = -1; 230 break; 231 case QCSERIAL_G2K: 232 /* 233 * Gobi 2K+ USB layout: 234 * 0: QMI/net 235 * 1: DM/DIAG (use libqcdm from ModemManager for communication) 236 * 2: AT-capable modem port 237 * 3: NMEA 238 */ 239 if (nintf < 3 || nintf > 4) { 240 dev_err(dev, "unknown number of interfaces: %d\n", nintf); 241 altsetting = -1; 242 goto done; 243 } 244 245 switch (ifnum) { 246 case 0: 247 /* Don't claim the QMI/net interface */ 248 altsetting = -1; 249 break; 250 case 1: 251 dev_dbg(dev, "Gobi 2K+ DM/DIAG interface found\n"); 252 break; 253 case 2: 254 dev_dbg(dev, "Modem port found\n"); 255 break; 256 case 3: 257 /* 258 * NMEA (serial line 9600 8N1) 259 * # echo "\$GPS_START" > /dev/ttyUSBx 260 * # echo "\$GPS_STOP" > /dev/ttyUSBx 261 */ 262 dev_dbg(dev, "Gobi 2K+ NMEA GPS interface found\n"); 263 break; 264 } 265 break; 266 case QCSERIAL_SWI: 267 /* 268 * Sierra Wireless layout: 269 * 0: DM/DIAG (use libqcdm from ModemManager for communication) 270 * 2: NMEA 271 * 3: AT-capable modem port 272 * 8: QMI/net 273 */ 274 switch (ifnum) { 275 case 0: 276 dev_dbg(dev, "DM/DIAG interface found\n"); 277 break; 278 case 2: 279 dev_dbg(dev, "NMEA GPS interface found\n"); 280 break; 281 case 3: 282 dev_dbg(dev, "Modem port found\n"); 283 break; 284 default: 285 /* don't claim any unsupported interface */ 286 altsetting = -1; 287 break; 288 } 289 break; 290 default: 291 dev_err(dev, "unsupported device layout type: %lu\n", 292 id->driver_info); 293 break; 294 } 295 296 done: 297 if (altsetting >= 0) { 298 retval = usb_set_interface(serial->dev, ifnum, altsetting); 299 if (retval < 0) { 300 dev_err(dev, 301 "Could not set interface, error %d\n", 302 retval); 303 retval = -ENODEV; 304 } 305 } 306 307 return retval; 308 } 309 310 static int qc_attach(struct usb_serial *serial) 311 { 312 struct usb_wwan_intf_private *data; 313 314 data = kzalloc(sizeof(*data), GFP_KERNEL); 315 if (!data) 316 return -ENOMEM; 317 318 spin_lock_init(&data->susp_lock); 319 320 usb_set_serial_data(serial, data); 321 322 return 0; 323 } 324 325 static void qc_release(struct usb_serial *serial) 326 { 327 struct usb_wwan_intf_private *priv = usb_get_serial_data(serial); 328 329 usb_set_serial_data(serial, NULL); 330 kfree(priv); 331 } 332 333 static struct usb_serial_driver qcdevice = { 334 .driver = { 335 .owner = THIS_MODULE, 336 .name = "qcserial", 337 }, 338 .description = "Qualcomm USB modem", 339 .id_table = id_table, 340 .num_ports = 1, 341 .probe = qcprobe, 342 .open = usb_wwan_open, 343 .close = usb_wwan_close, 344 .write = usb_wwan_write, 345 .write_room = usb_wwan_write_room, 346 .chars_in_buffer = usb_wwan_chars_in_buffer, 347 .attach = qc_attach, 348 .release = qc_release, 349 .port_probe = usb_wwan_port_probe, 350 .port_remove = usb_wwan_port_remove, 351 #ifdef CONFIG_PM 352 .suspend = usb_wwan_suspend, 353 .resume = usb_wwan_resume, 354 #endif 355 }; 356 357 static struct usb_serial_driver * const serial_drivers[] = { 358 &qcdevice, NULL 359 }; 360 361 module_usb_serial_driver(serial_drivers, id_table); 362 363 MODULE_AUTHOR(DRIVER_AUTHOR); 364 MODULE_DESCRIPTION(DRIVER_DESC); 365 MODULE_LICENSE("GPL v2"); 366