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(0x413c, 0x81a6)}, /* Dell DW5570 QDL (MC8805) */
128 {USB_DEVICE(0x1199, 0x68a4)}, /* Sierra Wireless QDL */
129 {USB_DEVICE(0x1199, 0x68a5)}, /* Sierra Wireless Modem */
130 {USB_DEVICE(0x1199, 0x68a8)}, /* Sierra Wireless QDL */
131 {USB_DEVICE(0x1199, 0x68a9)}, /* Sierra Wireless Modem */
132 {USB_DEVICE(0x1199, 0x9010)}, /* Sierra Wireless Gobi 3000 QDL */
133 {USB_DEVICE(0x1199, 0x9012)}, /* Sierra Wireless Gobi 3000 QDL */
134 {USB_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */
135 {USB_DEVICE(0x1199, 0x9014)}, /* Sierra Wireless Gobi 3000 QDL */
136 {USB_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */
137 {USB_DEVICE(0x1199, 0x9018)}, /* Sierra Wireless Gobi 3000 QDL */
138 {USB_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */
139 {USB_DEVICE(0x1199, 0x901b)}, /* Sierra Wireless MC7770 */
140 {USB_DEVICE(0x12D1, 0x14F0)}, /* Sony Gobi 3000 QDL */
141 {USB_DEVICE(0x12D1, 0x14F1)}, /* Sony Gobi 3000 Composite */
142 {USB_DEVICE(0x0AF0, 0x8120)}, /* Option GTM681W */
144 /* non-Gobi Sierra Wireless devices */
145 {DEVICE_SWI(0x03f0, 0x4e1d)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */
146 {DEVICE_SWI(0x0f3d, 0x68a2)}, /* Sierra Wireless MC7700 */
147 {DEVICE_SWI(0x114f, 0x68a2)}, /* Sierra Wireless MC7750 */
148 {DEVICE_SWI(0x1199, 0x68a2)}, /* Sierra Wireless MC7710 */
149 {DEVICE_SWI(0x1199, 0x68c0)}, /* Sierra Wireless MC7304/MC7354 */
150 {DEVICE_SWI(0x1199, 0x901c)}, /* Sierra Wireless EM7700 */
151 {DEVICE_SWI(0x1199, 0x901f)}, /* Sierra Wireless EM7355 */
152 {DEVICE_SWI(0x1199, 0x9040)}, /* Sierra Wireless Modem */
153 {DEVICE_SWI(0x1199, 0x9041)}, /* Sierra Wireless MC7305/MC7355 */
154 {DEVICE_SWI(0x1199, 0x9051)}, /* Netgear AirCard 340U */
155 {DEVICE_SWI(0x1199, 0x9053)}, /* Sierra Wireless Modem */
156 {DEVICE_SWI(0x1199, 0x9054)}, /* Sierra Wireless Modem */
157 {DEVICE_SWI(0x1199, 0x9055)}, /* Netgear AirCard 341U */
158 {DEVICE_SWI(0x1199, 0x9056)}, /* Sierra Wireless Modem */
159 {DEVICE_SWI(0x1199, 0x9060)}, /* Sierra Wireless Modem */
160 {DEVICE_SWI(0x1199, 0x9061)}, /* Sierra Wireless Modem */
161 {DEVICE_SWI(0x1199, 0x9070)}, /* Sierra Wireless MC74xx */
162 {DEVICE_SWI(0x1199, 0x9071)}, /* Sierra Wireless MC74xx */
163 {DEVICE_SWI(0x1199, 0x9078)}, /* Sierra Wireless EM74xx */
164 {DEVICE_SWI(0x1199, 0x9079)}, /* Sierra Wireless EM74xx */
165 {DEVICE_SWI(0x413c, 0x81a2)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */
166 {DEVICE_SWI(0x413c, 0x81a3)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */
167 {DEVICE_SWI(0x413c, 0x81a4)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */
168 {DEVICE_SWI(0x413c, 0x81a8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */
169 {DEVICE_SWI(0x413c, 0x81a9)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */
170 {DEVICE_SWI(0x413c, 0x81b1)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */
171 {DEVICE_SWI(0x413c, 0x81b3)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */
174 {DEVICE_HWI(0x03f0, 0x581d)}, /* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */
176 { } /* Terminating entry */
178 MODULE_DEVICE_TABLE(usb
, id_table
);
180 static int handle_quectel_ec20(struct device
*dev
, int ifnum
)
185 * Quectel EC20 Mini PCIe LTE module layout:
186 * 0: DM/DIAG (use libqcdm from ModemManager for communication)
188 * 2: AT-capable modem port
194 dev_dbg(dev
, "Quectel EC20 DM/DIAG interface found\n");
197 dev_dbg(dev
, "Quectel EC20 NMEA GPS interface found\n");
201 dev_dbg(dev
, "Quectel EC20 Modem port found\n");
204 /* Don't claim the QMI/net interface */
212 static int qcprobe(struct usb_serial
*serial
, const struct usb_device_id
*id
)
214 struct usb_host_interface
*intf
= serial
->interface
->cur_altsetting
;
215 struct device
*dev
= &serial
->dev
->dev
;
216 int retval
= -ENODEV
;
220 bool sendsetup
= false;
222 /* we only support vendor specific functions */
223 if (intf
->desc
.bInterfaceClass
!= USB_CLASS_VENDOR_SPEC
)
226 nintf
= serial
->dev
->actconfig
->desc
.bNumInterfaces
;
227 dev_dbg(dev
, "Num Interfaces = %d\n", nintf
);
228 ifnum
= intf
->desc
.bInterfaceNumber
;
229 dev_dbg(dev
, "This Interface = %d\n", ifnum
);
233 /* Gobi 2000 has a single altsetting, older ones have two */
234 if (serial
->interface
->num_altsetting
== 2)
235 intf
= &serial
->interface
->altsetting
[1];
236 else if (serial
->interface
->num_altsetting
> 2)
239 if (intf
->desc
.bNumEndpoints
== 2 &&
240 usb_endpoint_is_bulk_in(&intf
->endpoint
[0].desc
) &&
241 usb_endpoint_is_bulk_out(&intf
->endpoint
[1].desc
)) {
242 dev_dbg(dev
, "QDL port found\n");
244 if (serial
->interface
->num_altsetting
== 1)
245 retval
= 0; /* Success */
253 /* default to enabling interface */
257 * Composite mode; don't bind to the QMI/net interface as that
258 * gets handled by other drivers.
261 switch (id
->driver_info
) {
264 * Gobi 1K USB layout:
265 * 0: DM/DIAG (use libqcdm from ModemManager for communication)
266 * 1: serial port (doesn't respond)
267 * 2: AT-capable modem port
270 if (nintf
< 3 || nintf
> 4) {
271 dev_err(dev
, "unknown number of interfaces: %d\n", nintf
);
277 dev_dbg(dev
, "Gobi 1K DM/DIAG interface found\n");
279 } else if (ifnum
== 2)
280 dev_dbg(dev
, "Modem port found\n");
285 /* handle non-standard layouts */
286 if (nintf
== 5 && id
->idProduct
== QUECTEL_EC20_PID
) {
287 altsetting
= handle_quectel_ec20(dev
, ifnum
);
292 * Gobi 2K+ USB layout:
294 * 1: DM/DIAG (use libqcdm from ModemManager for communication)
295 * 2: AT-capable modem port
298 if (nintf
< 3 || nintf
> 4) {
299 dev_err(dev
, "unknown number of interfaces: %d\n", nintf
);
306 /* Don't claim the QMI/net interface */
310 dev_dbg(dev
, "Gobi 2K+ DM/DIAG interface found\n");
313 dev_dbg(dev
, "Modem port found\n");
317 * NMEA (serial line 9600 8N1)
318 * # echo "\$GPS_START" > /dev/ttyUSBx
319 * # echo "\$GPS_STOP" > /dev/ttyUSBx
321 dev_dbg(dev
, "Gobi 2K+ NMEA GPS interface found\n");
327 * Sierra Wireless layout:
328 * 0: DM/DIAG (use libqcdm from ModemManager for communication)
330 * 3: AT-capable modem port
335 dev_dbg(dev
, "DM/DIAG interface found\n");
338 dev_dbg(dev
, "NMEA GPS interface found\n");
341 dev_dbg(dev
, "Modem port found\n");
345 /* don't claim any unsupported interface */
352 * Huawei devices map functions by subclass + protocol
353 * instead of interface numbers. The protocol identify
354 * a specific function, while the subclass indicate a
355 * specific firmware source
357 * This is a blacklist of functions known to be
358 * non-serial. The rest are assumed to be serial and
359 * will be handled by this driver
361 switch (intf
->desc
.bInterfaceProtocol
) {
362 /* QMI combined (qmi_wwan) */
366 /* QMI data (qmi_wwan) */
370 /* QMI control (qmi_wwan) */
374 /* NCM like (huawei_cdc_ncm) */
381 dev_dbg(dev
, "Huawei type serial port found (%02x/%02x/%02x)\n",
382 intf
->desc
.bInterfaceClass
,
383 intf
->desc
.bInterfaceSubClass
,
384 intf
->desc
.bInterfaceProtocol
);
388 dev_err(dev
, "unsupported device layout type: %lu\n",
394 if (altsetting
>= 0) {
395 retval
= usb_set_interface(serial
->dev
, ifnum
, altsetting
);
398 "Could not set interface, error %d\n",
405 usb_set_serial_data(serial
, (void *)(unsigned long)sendsetup
);
410 static int qc_attach(struct usb_serial
*serial
)
412 struct usb_wwan_intf_private
*data
;
415 data
= kzalloc(sizeof(*data
), GFP_KERNEL
);
419 sendsetup
= !!(unsigned long)(usb_get_serial_data(serial
));
421 data
->use_send_setup
= 1;
423 spin_lock_init(&data
->susp_lock
);
425 usb_set_serial_data(serial
, data
);
430 static void qc_release(struct usb_serial
*serial
)
432 struct usb_wwan_intf_private
*priv
= usb_get_serial_data(serial
);
434 usb_set_serial_data(serial
, NULL
);
438 static struct usb_serial_driver qcdevice
= {
440 .owner
= THIS_MODULE
,
443 .description
= "Qualcomm USB modem",
444 .id_table
= id_table
,
447 .open
= usb_wwan_open
,
448 .close
= usb_wwan_close
,
449 .dtr_rts
= usb_wwan_dtr_rts
,
450 .write
= usb_wwan_write
,
451 .write_room
= usb_wwan_write_room
,
452 .chars_in_buffer
= usb_wwan_chars_in_buffer
,
454 .release
= qc_release
,
455 .port_probe
= usb_wwan_port_probe
,
456 .port_remove
= usb_wwan_port_remove
,
458 .suspend
= usb_wwan_suspend
,
459 .resume
= usb_wwan_resume
,
463 static struct usb_serial_driver
* const serial_drivers
[] = {
467 module_usb_serial_driver(serial_drivers
, id_table
);
469 MODULE_AUTHOR(DRIVER_AUTHOR
);
470 MODULE_DESCRIPTION(DRIVER_DESC
);
471 MODULE_LICENSE("GPL v2");