2 * Qualcomm Serial USB driver
4 * Copyright (c) 2008 QUALCOMM Incorporated.
5 * Copyright (c) 2009 Greg Kroah-Hartman <gregkh@suse.de>
6 * Copyright (c) 2009 Novell Inc.
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.
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>
22 #define DRIVER_AUTHOR "Qualcomm Inc"
23 #define DRIVER_DESC "Qualcomm USB Serial driver"
25 #define QUECTEL_EC20_PID 0x9215
27 /* standard device layouts supported by this driver */
28 enum 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 */
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
42 static 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 */
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 */
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 */
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, 0x68c0)}, /* Sierra Wireless MC7304/MC7354 */
149 {DEVICE_SWI(0x1199, 0x901c)}, /* Sierra Wireless EM7700 */
150 {DEVICE_SWI(0x1199, 0x901f)}, /* Sierra Wireless EM7355 */
151 {DEVICE_SWI(0x1199, 0x9040)}, /* Sierra Wireless Modem */
152 {DEVICE_SWI(0x1199, 0x9041)}, /* Sierra Wireless MC7305/MC7355 */
153 {DEVICE_SWI(0x1199, 0x9051)}, /* Netgear AirCard 340U */
154 {DEVICE_SWI(0x1199, 0x9053)}, /* Sierra Wireless Modem */
155 {DEVICE_SWI(0x1199, 0x9054)}, /* Sierra Wireless Modem */
156 {DEVICE_SWI(0x1199, 0x9055)}, /* Netgear AirCard 341U */
157 {DEVICE_SWI(0x1199, 0x9056)}, /* Sierra Wireless Modem */
158 {DEVICE_SWI(0x1199, 0x9060)}, /* Sierra Wireless Modem */
159 {DEVICE_SWI(0x1199, 0x9061)}, /* Sierra Wireless Modem */
160 {DEVICE_SWI(0x1199, 0x9070)}, /* Sierra Wireless MC74xx/EM74xx */
161 {DEVICE_SWI(0x1199, 0x9071)}, /* Sierra Wireless MC74xx/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 */
170 {DEVICE_HWI(0x03f0, 0x581d)}, /* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */
172 { } /* Terminating entry */
174 MODULE_DEVICE_TABLE(usb, id_table);
176 static int handle_quectel_ec20(struct device *dev, int ifnum)
181 * Quectel EC20 Mini PCIe LTE module layout:
182 * 0: DM/DIAG (use libqcdm from ModemManager for communication)
184 * 2: AT-capable modem port
190 dev_dbg(dev, "Quectel EC20 DM/DIAG interface found\n");
193 dev_dbg(dev, "Quectel EC20 NMEA GPS interface found\n");
197 dev_dbg(dev, "Quectel EC20 Modem port found\n");
200 /* Don't claim the QMI/net interface */
208 static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
210 struct usb_host_interface *intf = serial->interface->cur_altsetting;
211 struct device *dev = &serial->dev->dev;
212 int retval = -ENODEV;
216 bool sendsetup = false;
218 nintf = serial->dev->actconfig->desc.bNumInterfaces;
219 dev_dbg(dev, "Num Interfaces = %d\n", nintf);
220 ifnum = intf->desc.bInterfaceNumber;
221 dev_dbg(dev, "This Interface = %d\n", ifnum);
225 /* Gobi 2000 has a single altsetting, older ones have two */
226 if (serial->interface->num_altsetting == 2)
227 intf = &serial->interface->altsetting[1];
228 else if (serial->interface->num_altsetting > 2)
231 if (intf->desc.bNumEndpoints == 2 &&
232 usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) &&
233 usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) {
234 dev_dbg(dev, "QDL port found\n");
236 if (serial->interface->num_altsetting == 1)
237 retval = 0; /* Success */
245 /* default to enabling interface */
249 * Composite mode; don't bind to the QMI/net interface as that
250 * gets handled by other drivers.
253 switch (id->driver_info) {
256 * Gobi 1K USB layout:
257 * 0: DM/DIAG (use libqcdm from ModemManager for communication)
258 * 1: serial port (doesn't respond)
259 * 2: AT-capable modem port
262 if (nintf < 3 || nintf > 4) {
263 dev_err(dev, "unknown number of interfaces: %d\n", nintf);
269 dev_dbg(dev, "Gobi 1K DM/DIAG interface found\n");
271 } else if (ifnum == 2)
272 dev_dbg(dev, "Modem port found\n");
277 /* handle non-standard layouts */
278 if (nintf == 5 && id->idProduct == QUECTEL_EC20_PID) {
279 altsetting = handle_quectel_ec20(dev, ifnum);
284 * Gobi 2K+ USB layout:
286 * 1: DM/DIAG (use libqcdm from ModemManager for communication)
287 * 2: AT-capable modem port
290 if (nintf < 3 || nintf > 4) {
291 dev_err(dev, "unknown number of interfaces: %d\n", nintf);
298 /* Don't claim the QMI/net interface */
302 dev_dbg(dev, "Gobi 2K+ DM/DIAG interface found\n");
305 dev_dbg(dev, "Modem port found\n");
309 * NMEA (serial line 9600 8N1)
310 * # echo "\$GPS_START" > /dev/ttyUSBx
311 * # echo "\$GPS_STOP" > /dev/ttyUSBx
313 dev_dbg(dev, "Gobi 2K+ NMEA GPS interface found\n");
319 * Sierra Wireless layout:
320 * 0: DM/DIAG (use libqcdm from ModemManager for communication)
322 * 3: AT-capable modem port
327 dev_dbg(dev, "DM/DIAG interface found\n");
330 dev_dbg(dev, "NMEA GPS interface found\n");
333 dev_dbg(dev, "Modem port found\n");
337 /* don't claim any unsupported interface */
345 * 0: AT-capable modem port
347 * 2: AT-capable modem port
348 * 3: CCID-compatible PCSC interface
355 dev_dbg(dev, "Modem port found\n");
358 dev_dbg(dev, "DM/DIAG interface found\n");
361 dev_dbg(dev, "NMEA GPS interface found\n");
364 /* don't claim any unsupported interface */
370 dev_err(dev, "unsupported device layout type: %lu\n",
376 if (altsetting >= 0) {
377 retval = usb_set_interface(serial->dev, ifnum, altsetting);
380 "Could not set interface, error %d\n",
387 usb_set_serial_data(serial, (void *)(unsigned long)sendsetup);
392 static int qc_attach(struct usb_serial *serial)
394 struct usb_wwan_intf_private *data;
397 data = kzalloc(sizeof(*data), GFP_KERNEL);
401 sendsetup = !!(unsigned long)(usb_get_serial_data(serial));
403 data->use_send_setup = 1;
405 spin_lock_init(&data->susp_lock);
407 usb_set_serial_data(serial, data);
412 static void qc_release(struct usb_serial *serial)
414 struct usb_wwan_intf_private *priv = usb_get_serial_data(serial);
416 usb_set_serial_data(serial, NULL);
420 static struct usb_serial_driver qcdevice = {
422 .owner = THIS_MODULE,
425 .description = "Qualcomm USB modem",
426 .id_table = id_table,
429 .open = usb_wwan_open,
430 .close = usb_wwan_close,
431 .dtr_rts = usb_wwan_dtr_rts,
432 .write = usb_wwan_write,
433 .write_room = usb_wwan_write_room,
434 .chars_in_buffer = usb_wwan_chars_in_buffer,
436 .release = qc_release,
437 .port_probe = usb_wwan_port_probe,
438 .port_remove = usb_wwan_port_remove,
440 .suspend = usb_wwan_suspend,
441 .resume = usb_wwan_resume,
445 static struct usb_serial_driver * const serial_drivers[] = {
449 module_usb_serial_driver(serial_drivers, id_table);
451 MODULE_AUTHOR(DRIVER_AUTHOR);
452 MODULE_DESCRIPTION(DRIVER_DESC);
453 MODULE_LICENSE("GPL v2");