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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/usb.h>
17#include <linux/usb/serial.h>
18#include <linux/slab.h>
19#include "usb-wwan.h"
20
21#define DRIVER_AUTHOR "Qualcomm Inc"
22#define DRIVER_DESC "Qualcomm USB Serial driver"
23
24static int debug;
25
26static const struct usb_device_id id_table[] = {
27 {USB_DEVICE(0x05c6, 0x9211)}, /* Acer Gobi QDL device */
28 {USB_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */
29 {USB_DEVICE(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */
30 {USB_DEVICE(0x03f0, 0x201d)}, /* HP un2400 Gobi QDL Device */
31 {USB_DEVICE(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */
32 {USB_DEVICE(0x04da, 0x250c)}, /* Panasonic Gobi QDL device */
33 {USB_DEVICE(0x413c, 0x8172)}, /* Dell Gobi Modem device */
34 {USB_DEVICE(0x413c, 0x8171)}, /* Dell Gobi QDL device */
35 {USB_DEVICE(0x1410, 0xa001)}, /* Novatel Gobi Modem device */
36 {USB_DEVICE(0x1410, 0xa008)}, /* Novatel Gobi QDL device */
37 {USB_DEVICE(0x0b05, 0x1776)}, /* Asus Gobi Modem device */
38 {USB_DEVICE(0x0b05, 0x1774)}, /* Asus Gobi QDL device */
39 {USB_DEVICE(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */
40 {USB_DEVICE(0x19d2, 0xfff2)}, /* ONDA Gobi QDL device */
41 {USB_DEVICE(0x1557, 0x0a80)}, /* OQO Gobi QDL device */
42 {USB_DEVICE(0x05c6, 0x9001)}, /* Generic Gobi Modem device */
43 {USB_DEVICE(0x05c6, 0x9002)}, /* Generic Gobi Modem device */
44 {USB_DEVICE(0x05c6, 0x9202)}, /* Generic Gobi Modem device */
45 {USB_DEVICE(0x05c6, 0x9203)}, /* Generic Gobi Modem device */
46 {USB_DEVICE(0x05c6, 0x9222)}, /* Generic Gobi Modem device */
47 {USB_DEVICE(0x05c6, 0x9008)}, /* Generic Gobi QDL device */
48 {USB_DEVICE(0x05c6, 0x9009)}, /* Generic Gobi Modem device */
49 {USB_DEVICE(0x05c6, 0x9201)}, /* Generic Gobi QDL device */
50 {USB_DEVICE(0x05c6, 0x9221)}, /* Generic Gobi QDL device */
51 {USB_DEVICE(0x05c6, 0x9231)}, /* Generic Gobi QDL device */
52 {USB_DEVICE(0x1f45, 0x0001)}, /* Unknown Gobi QDL device */
53 {USB_DEVICE(0x413c, 0x8185)}, /* Dell Gobi 2000 QDL device (N0218, VU936) */
54 {USB_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */
55 {USB_DEVICE(0x05c6, 0x9208)}, /* Generic Gobi 2000 QDL device */
56 {USB_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */
57 {USB_DEVICE(0x05c6, 0x9224)}, /* Sony Gobi 2000 QDL device (N0279, VU730) */
58 {USB_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */
59 {USB_DEVICE(0x05c6, 0x9244)}, /* Samsung Gobi 2000 QDL device (VL176) */
60 {USB_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */
61 {USB_DEVICE(0x03f0, 0x241d)}, /* HP Gobi 2000 QDL device (VP412) */
62 {USB_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */
63 {USB_DEVICE(0x05c6, 0x9214)}, /* Acer Gobi 2000 QDL device (VP413) */
64 {USB_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */
65 {USB_DEVICE(0x05c6, 0x9264)}, /* Asus Gobi 2000 QDL device (VR305) */
66 {USB_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */
67 {USB_DEVICE(0x05c6, 0x9234)}, /* Top Global Gobi 2000 QDL device (VR306) */
68 {USB_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */
69 {USB_DEVICE(0x05c6, 0x9274)}, /* iRex Technologies Gobi 2000 QDL device (VR307) */
70 {USB_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */
71 {USB_DEVICE(0x1199, 0x9000)}, /* Sierra Wireless Gobi 2000 QDL device (VT773) */
72 {USB_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
73 {USB_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
74 {USB_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
75 {USB_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
76 {USB_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
77 {USB_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
78 {USB_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
79 {USB_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
80 {USB_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
81 {USB_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
82 {USB_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */
83 {USB_DEVICE(0x16d8, 0x8001)}, /* CMDTech Gobi 2000 QDL device (VU922) */
84 {USB_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */
85 {USB_DEVICE(0x05c6, 0x9204)}, /* Gobi 2000 QDL device */
86 {USB_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */
87 { } /* Terminating entry */
88};
89MODULE_DEVICE_TABLE(usb, id_table);
90
91static struct usb_driver qcdriver = {
92 .name = "qcserial",
93 .probe = usb_serial_probe,
94 .disconnect = usb_serial_disconnect,
95 .id_table = id_table,
96 .suspend = usb_serial_suspend,
97 .resume = usb_serial_resume,
98 .supports_autosuspend = true,
99};
100
101static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
102{
103 struct usb_wwan_intf_private *data;
104 struct usb_host_interface *intf = serial->interface->cur_altsetting;
105 int retval = -ENODEV;
106 __u8 nintf;
107 __u8 ifnum;
108
109 dbg("%s", __func__);
110
111 nintf = serial->dev->actconfig->desc.bNumInterfaces;
112 dbg("Num Interfaces = %d", nintf);
113 ifnum = intf->desc.bInterfaceNumber;
114 dbg("This Interface = %d", ifnum);
115
116 data = kzalloc(sizeof(struct usb_wwan_intf_private),
117 GFP_KERNEL);
118 if (!data)
119 return -ENOMEM;
120
121 spin_lock_init(&data->susp_lock);
122
123 usb_enable_autosuspend(serial->dev);
124
125 switch (nintf) {
126 case 1:
127 /* QDL mode */
128 /* Gobi 2000 has a single altsetting, older ones have two */
129 if (serial->interface->num_altsetting == 2)
130 intf = &serial->interface->altsetting[1];
131 else if (serial->interface->num_altsetting > 2)
132 break;
133
134 if (intf->desc.bNumEndpoints == 2 &&
135 usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) &&
136 usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) {
137 dbg("QDL port found");
138
139 if (serial->interface->num_altsetting == 1) {
140 retval = 0; /* Success */
141 break;
142 }
143
144 retval = usb_set_interface(serial->dev, ifnum, 1);
145 if (retval < 0) {
146 dev_err(&serial->dev->dev,
147 "Could not set interface, error %d\n",
148 retval);
149 retval = -ENODEV;
150 kfree(data);
151 }
152 }
153 break;
154
155 case 3:
156 case 4:
157 /* Composite mode */
158 /* ifnum == 0 is a broadband network adapter */
159 if (ifnum == 1) {
160 /*
161 * Diagnostics Monitor (serial line 9600 8N1)
162 * Qualcomm DM protocol
163 * use "libqcdm" (ModemManager) for communication
164 */
165 dbg("Diagnostics Monitor found");
166 retval = usb_set_interface(serial->dev, ifnum, 0);
167 if (retval < 0) {
168 dev_err(&serial->dev->dev,
169 "Could not set interface, error %d\n",
170 retval);
171 retval = -ENODEV;
172 kfree(data);
173 }
174 } else if (ifnum == 2) {
175 dbg("Modem port found");
176 retval = usb_set_interface(serial->dev, ifnum, 0);
177 if (retval < 0) {
178 dev_err(&serial->dev->dev,
179 "Could not set interface, error %d\n",
180 retval);
181 retval = -ENODEV;
182 kfree(data);
183 }
184 } else if (ifnum==3) {
185 /*
186 * NMEA (serial line 9600 8N1)
187 * # echo "\$GPS_START" > /dev/ttyUSBx
188 * # echo "\$GPS_STOP" > /dev/ttyUSBx
189 */
190 dbg("NMEA GPS interface found");
191 retval = usb_set_interface(serial->dev, ifnum, 0);
192 if (retval < 0) {
193 dev_err(&serial->dev->dev,
194 "Could not set interface, error %d\n",
195 retval);
196 retval = -ENODEV;
197 kfree(data);
198 }
199 }
200 break;
201
202 default:
203 dev_err(&serial->dev->dev,
204 "unknown number of interfaces: %d\n", nintf);
205 kfree(data);
206 retval = -ENODEV;
207 }
208
209 /* Set serial->private if not returning -ENODEV */
210 if (retval != -ENODEV)
211 usb_set_serial_data(serial, data);
212 return retval;
213}
214
215static void qc_release(struct usb_serial *serial)
216{
217 struct usb_wwan_intf_private *priv = usb_get_serial_data(serial);
218
219 dbg("%s", __func__);
220
221 /* Call usb_wwan release & free the private data allocated in qcprobe */
222 usb_wwan_release(serial);
223 usb_set_serial_data(serial, NULL);
224 kfree(priv);
225}
226
227static struct usb_serial_driver qcdevice = {
228 .driver = {
229 .owner = THIS_MODULE,
230 .name = "qcserial",
231 },
232 .description = "Qualcomm USB modem",
233 .id_table = id_table,
234 .usb_driver = &qcdriver,
235 .num_ports = 1,
236 .probe = qcprobe,
237 .open = usb_wwan_open,
238 .close = usb_wwan_close,
239 .write = usb_wwan_write,
240 .write_room = usb_wwan_write_room,
241 .chars_in_buffer = usb_wwan_chars_in_buffer,
242 .attach = usb_wwan_startup,
243 .disconnect = usb_wwan_disconnect,
244 .release = qc_release,
245#ifdef CONFIG_PM
246 .suspend = usb_wwan_suspend,
247 .resume = usb_wwan_resume,
248#endif
249};
250
251static int __init qcinit(void)
252{
253 int retval;
254
255 retval = usb_serial_register(&qcdevice);
256 if (retval)
257 return retval;
258
259 retval = usb_register(&qcdriver);
260 if (retval) {
261 usb_serial_deregister(&qcdevice);
262 return retval;
263 }
264
265 return 0;
266}
267
268static void __exit qcexit(void)
269{
270 usb_deregister(&qcdriver);
271 usb_serial_deregister(&qcdevice);
272}
273
274module_init(qcinit);
275module_exit(qcexit);
276
277MODULE_AUTHOR(DRIVER_AUTHOR);
278MODULE_DESCRIPTION(DRIVER_DESC);
279MODULE_LICENSE("GPL v2");
280
281module_param(debug, bool, S_IRUGO | S_IWUSR);
282MODULE_PARM_DESC(debug, "Debug enabled or not");
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 QUECTEL_EC20_PID 0x9215
26
27/* standard device layouts supported by this driver */
28enum 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 */
33};
34
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
41
42static 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 */
77
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 */
118
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 */
142
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 */
161 {DEVICE_SWI(0x1199, 0x9071)}, /* Sierra Wireless MC74xx */
162 {DEVICE_SWI(0x1199, 0x9078)}, /* Sierra Wireless EM74xx */
163 {DEVICE_SWI(0x1199, 0x9079)}, /* Sierra Wireless EM74xx */
164 {DEVICE_SWI(0x413c, 0x81a2)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */
165 {DEVICE_SWI(0x413c, 0x81a3)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */
166 {DEVICE_SWI(0x413c, 0x81a4)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */
167 {DEVICE_SWI(0x413c, 0x81a8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */
168 {DEVICE_SWI(0x413c, 0x81a9)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */
169 {DEVICE_SWI(0x413c, 0x81b1)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */
170 {DEVICE_SWI(0x413c, 0x81b3)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */
171
172 /* Huawei devices */
173 {DEVICE_HWI(0x03f0, 0x581d)}, /* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */
174
175 { } /* Terminating entry */
176};
177MODULE_DEVICE_TABLE(usb, id_table);
178
179static int handle_quectel_ec20(struct device *dev, int ifnum)
180{
181 int altsetting = 0;
182
183 /*
184 * Quectel EC20 Mini PCIe LTE module layout:
185 * 0: DM/DIAG (use libqcdm from ModemManager for communication)
186 * 1: NMEA
187 * 2: AT-capable modem port
188 * 3: Modem interface
189 * 4: NDIS
190 */
191 switch (ifnum) {
192 case 0:
193 dev_dbg(dev, "Quectel EC20 DM/DIAG interface found\n");
194 break;
195 case 1:
196 dev_dbg(dev, "Quectel EC20 NMEA GPS interface found\n");
197 break;
198 case 2:
199 case 3:
200 dev_dbg(dev, "Quectel EC20 Modem port found\n");
201 break;
202 case 4:
203 /* Don't claim the QMI/net interface */
204 altsetting = -1;
205 break;
206 }
207
208 return altsetting;
209}
210
211static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
212{
213 struct usb_host_interface *intf = serial->interface->cur_altsetting;
214 struct device *dev = &serial->dev->dev;
215 int retval = -ENODEV;
216 __u8 nintf;
217 __u8 ifnum;
218 int altsetting = -1;
219 bool sendsetup = false;
220
221 /* we only support vendor specific functions */
222 if (intf->desc.bInterfaceClass != USB_CLASS_VENDOR_SPEC)
223 goto done;
224
225 nintf = serial->dev->actconfig->desc.bNumInterfaces;
226 dev_dbg(dev, "Num Interfaces = %d\n", nintf);
227 ifnum = intf->desc.bInterfaceNumber;
228 dev_dbg(dev, "This Interface = %d\n", ifnum);
229
230 if (nintf == 1) {
231 /* QDL mode */
232 /* Gobi 2000 has a single altsetting, older ones have two */
233 if (serial->interface->num_altsetting == 2)
234 intf = &serial->interface->altsetting[1];
235 else if (serial->interface->num_altsetting > 2)
236 goto done;
237
238 if (intf->desc.bNumEndpoints == 2 &&
239 usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) &&
240 usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) {
241 dev_dbg(dev, "QDL port found\n");
242
243 if (serial->interface->num_altsetting == 1)
244 retval = 0; /* Success */
245 else
246 altsetting = 1;
247 }
248 goto done;
249
250 }
251
252 /* default to enabling interface */
253 altsetting = 0;
254
255 /*
256 * Composite mode; don't bind to the QMI/net interface as that
257 * gets handled by other drivers.
258 */
259
260 switch (id->driver_info) {
261 case QCSERIAL_G1K:
262 /*
263 * Gobi 1K USB layout:
264 * 0: DM/DIAG (use libqcdm from ModemManager for communication)
265 * 1: serial port (doesn't respond)
266 * 2: AT-capable modem port
267 * 3: QMI/net
268 */
269 if (nintf < 3 || nintf > 4) {
270 dev_err(dev, "unknown number of interfaces: %d\n", nintf);
271 altsetting = -1;
272 goto done;
273 }
274
275 if (ifnum == 0) {
276 dev_dbg(dev, "Gobi 1K DM/DIAG interface found\n");
277 altsetting = 1;
278 } else if (ifnum == 2)
279 dev_dbg(dev, "Modem port found\n");
280 else
281 altsetting = -1;
282 break;
283 case QCSERIAL_G2K:
284 /* handle non-standard layouts */
285 if (nintf == 5 && id->idProduct == QUECTEL_EC20_PID) {
286 altsetting = handle_quectel_ec20(dev, ifnum);
287 goto done;
288 }
289
290 /*
291 * Gobi 2K+ USB layout:
292 * 0: QMI/net
293 * 1: DM/DIAG (use libqcdm from ModemManager for communication)
294 * 2: AT-capable modem port
295 * 3: NMEA
296 */
297 if (nintf < 3 || nintf > 4) {
298 dev_err(dev, "unknown number of interfaces: %d\n", nintf);
299 altsetting = -1;
300 goto done;
301 }
302
303 switch (ifnum) {
304 case 0:
305 /* Don't claim the QMI/net interface */
306 altsetting = -1;
307 break;
308 case 1:
309 dev_dbg(dev, "Gobi 2K+ DM/DIAG interface found\n");
310 break;
311 case 2:
312 dev_dbg(dev, "Modem port found\n");
313 break;
314 case 3:
315 /*
316 * NMEA (serial line 9600 8N1)
317 * # echo "\$GPS_START" > /dev/ttyUSBx
318 * # echo "\$GPS_STOP" > /dev/ttyUSBx
319 */
320 dev_dbg(dev, "Gobi 2K+ NMEA GPS interface found\n");
321 break;
322 }
323 break;
324 case QCSERIAL_SWI:
325 /*
326 * Sierra Wireless layout:
327 * 0: DM/DIAG (use libqcdm from ModemManager for communication)
328 * 2: NMEA
329 * 3: AT-capable modem port
330 * 8: QMI/net
331 */
332 switch (ifnum) {
333 case 0:
334 dev_dbg(dev, "DM/DIAG interface found\n");
335 break;
336 case 2:
337 dev_dbg(dev, "NMEA GPS interface found\n");
338 break;
339 case 3:
340 dev_dbg(dev, "Modem port found\n");
341 sendsetup = true;
342 break;
343 default:
344 /* don't claim any unsupported interface */
345 altsetting = -1;
346 break;
347 }
348 break;
349 case QCSERIAL_HWI:
350 /*
351 * Huawei devices map functions by subclass + protocol
352 * instead of interface numbers. The protocol identify
353 * a specific function, while the subclass indicate a
354 * specific firmware source
355 *
356 * This is a blacklist of functions known to be
357 * non-serial. The rest are assumed to be serial and
358 * will be handled by this driver
359 */
360 switch (intf->desc.bInterfaceProtocol) {
361 /* QMI combined (qmi_wwan) */
362 case 0x07:
363 case 0x37:
364 case 0x67:
365 /* QMI data (qmi_wwan) */
366 case 0x08:
367 case 0x38:
368 case 0x68:
369 /* QMI control (qmi_wwan) */
370 case 0x09:
371 case 0x39:
372 case 0x69:
373 /* NCM like (huawei_cdc_ncm) */
374 case 0x16:
375 case 0x46:
376 case 0x76:
377 altsetting = -1;
378 break;
379 default:
380 dev_dbg(dev, "Huawei type serial port found (%02x/%02x/%02x)\n",
381 intf->desc.bInterfaceClass,
382 intf->desc.bInterfaceSubClass,
383 intf->desc.bInterfaceProtocol);
384 }
385 break;
386 default:
387 dev_err(dev, "unsupported device layout type: %lu\n",
388 id->driver_info);
389 break;
390 }
391
392done:
393 if (altsetting >= 0) {
394 retval = usb_set_interface(serial->dev, ifnum, altsetting);
395 if (retval < 0) {
396 dev_err(dev,
397 "Could not set interface, error %d\n",
398 retval);
399 retval = -ENODEV;
400 }
401 }
402
403 if (!retval)
404 usb_set_serial_data(serial, (void *)(unsigned long)sendsetup);
405
406 return retval;
407}
408
409static int qc_attach(struct usb_serial *serial)
410{
411 struct usb_wwan_intf_private *data;
412 bool sendsetup;
413
414 data = kzalloc(sizeof(*data), GFP_KERNEL);
415 if (!data)
416 return -ENOMEM;
417
418 sendsetup = !!(unsigned long)(usb_get_serial_data(serial));
419 if (sendsetup)
420 data->use_send_setup = 1;
421
422 spin_lock_init(&data->susp_lock);
423
424 usb_set_serial_data(serial, data);
425
426 return 0;
427}
428
429static void qc_release(struct usb_serial *serial)
430{
431 struct usb_wwan_intf_private *priv = usb_get_serial_data(serial);
432
433 usb_set_serial_data(serial, NULL);
434 kfree(priv);
435}
436
437static struct usb_serial_driver qcdevice = {
438 .driver = {
439 .owner = THIS_MODULE,
440 .name = "qcserial",
441 },
442 .description = "Qualcomm USB modem",
443 .id_table = id_table,
444 .num_ports = 1,
445 .probe = qcprobe,
446 .open = usb_wwan_open,
447 .close = usb_wwan_close,
448 .dtr_rts = usb_wwan_dtr_rts,
449 .write = usb_wwan_write,
450 .write_room = usb_wwan_write_room,
451 .chars_in_buffer = usb_wwan_chars_in_buffer,
452 .attach = qc_attach,
453 .release = qc_release,
454 .port_probe = usb_wwan_port_probe,
455 .port_remove = usb_wwan_port_remove,
456#ifdef CONFIG_PM
457 .suspend = usb_wwan_suspend,
458 .resume = usb_wwan_resume,
459#endif
460};
461
462static struct usb_serial_driver * const serial_drivers[] = {
463 &qcdevice, NULL
464};
465
466module_usb_serial_driver(serial_drivers, id_table);
467
468MODULE_AUTHOR(DRIVER_AUTHOR);
469MODULE_DESCRIPTION(DRIVER_DESC);
470MODULE_LICENSE("GPL v2");