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