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a78b4282 GKH |
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> | |
3d7e59ad MG |
18 | #include <linux/slab.h> |
19 | #include "usb-wwan.h" | |
a78b4282 GKH |
20 | |
21 | #define DRIVER_AUTHOR "Qualcomm Inc" | |
22 | #define DRIVER_DESC "Qualcomm USB Serial driver" | |
23 | ||
24 | static int debug; | |
25 | ||
7d40d7e8 | 26 | static const struct usb_device_id id_table[] = { |
a78b4282 GKH |
27 | {USB_DEVICE(0x05c6, 0x9211)}, /* Acer Gobi QDL device */ |
28 | {USB_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ | |
fd8345f8 AS |
29 | {USB_DEVICE(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */ |
30 | {USB_DEVICE(0x03f0, 0x201d)}, /* HP un2400 Gobi QDL Device */ | |
f05932c0 MG |
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, 0x9201)}, /* Generic Gobi QDL device */ | |
49 | {USB_DEVICE(0x05c6, 0x9221)}, /* Generic Gobi QDL device */ | |
50 | {USB_DEVICE(0x05c6, 0x9231)}, /* Generic Gobi QDL device */ | |
51 | {USB_DEVICE(0x1f45, 0x0001)}, /* Unknown Gobi QDL device */ | |
0725e95e BR |
52 | {USB_DEVICE(0x413c, 0x8185)}, /* Dell Gobi 2000 QDL device (N0218, VU936) */ |
53 | {USB_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */ | |
bec25b89 AB |
54 | {USB_DEVICE(0x05c6, 0x9208)}, /* Generic Gobi 2000 QDL device */ |
55 | {USB_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */ | |
0725e95e BR |
56 | {USB_DEVICE(0x05c6, 0x9224)}, /* Sony Gobi 2000 QDL device (N0279, VU730) */ |
57 | {USB_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */ | |
58 | {USB_DEVICE(0x05c6, 0x9244)}, /* Samsung Gobi 2000 QDL device (VL176) */ | |
59 | {USB_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */ | |
60 | {USB_DEVICE(0x03f0, 0x241d)}, /* HP Gobi 2000 QDL device (VP412) */ | |
61 | {USB_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */ | |
62 | {USB_DEVICE(0x05c6, 0x9214)}, /* Acer Gobi 2000 QDL device (VP413) */ | |
63 | {USB_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */ | |
64 | {USB_DEVICE(0x05c6, 0x9264)}, /* Asus Gobi 2000 QDL device (VR305) */ | |
65 | {USB_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */ | |
66 | {USB_DEVICE(0x05c6, 0x9234)}, /* Top Global Gobi 2000 QDL device (VR306) */ | |
67 | {USB_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */ | |
68 | {USB_DEVICE(0x05c6, 0x9274)}, /* iRex Technologies Gobi 2000 QDL device (VR307) */ | |
69 | {USB_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */ | |
70 | {USB_DEVICE(0x1199, 0x9000)}, /* Sierra Wireless Gobi 2000 QDL device (VT773) */ | |
71 | {USB_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
72 | {USB_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
73 | {USB_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
74 | {USB_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
75 | {USB_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
76 | {USB_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
77 | {USB_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
78 | {USB_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
79 | {USB_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
80 | {USB_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
81 | {USB_DEVICE(0x16d8, 0x8001)}, /* CMDTech Gobi 2000 QDL device (VU922) */ | |
82 | {USB_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */ | |
e07896e6 AH |
83 | {USB_DEVICE(0x05c6, 0x9204)}, /* Gobi 2000 QDL device */ |
84 | {USB_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */ | |
a78b4282 GKH |
85 | { } /* Terminating entry */ |
86 | }; | |
87 | MODULE_DEVICE_TABLE(usb, id_table); | |
88 | ||
89 | static struct usb_driver qcdriver = { | |
90 | .name = "qcserial", | |
91 | .probe = usb_serial_probe, | |
92 | .disconnect = usb_serial_disconnect, | |
93 | .id_table = id_table, | |
94 | .suspend = usb_serial_suspend, | |
95 | .resume = usb_serial_resume, | |
96 | .supports_autosuspend = true, | |
97 | }; | |
98 | ||
99 | static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) | |
100 | { | |
3d7e59ad | 101 | struct usb_wwan_intf_private *data; |
e07896e6 | 102 | struct usb_host_interface *intf = serial->interface->cur_altsetting; |
a78b4282 GKH |
103 | int retval = -ENODEV; |
104 | __u8 nintf; | |
105 | __u8 ifnum; | |
106 | ||
107 | dbg("%s", __func__); | |
108 | ||
109 | nintf = serial->dev->actconfig->desc.bNumInterfaces; | |
110 | dbg("Num Interfaces = %d", nintf); | |
e07896e6 | 111 | ifnum = intf->desc.bInterfaceNumber; |
a78b4282 GKH |
112 | dbg("This Interface = %d", ifnum); |
113 | ||
3d7e59ad MG |
114 | data = serial->private = kzalloc(sizeof(struct usb_wwan_intf_private), |
115 | GFP_KERNEL); | |
116 | if (!data) | |
117 | return -ENOMEM; | |
118 | ||
119 | spin_lock_init(&data->susp_lock); | |
120 | ||
1f8dd015 MG |
121 | usb_enable_autosuspend(serial->dev); |
122 | ||
a78b4282 GKH |
123 | switch (nintf) { |
124 | case 1: | |
125 | /* QDL mode */ | |
e07896e6 AH |
126 | /* Gobi 2000 has a single altsetting, older ones have two */ |
127 | if (serial->interface->num_altsetting == 2) | |
a78b4282 | 128 | intf = &serial->interface->altsetting[1]; |
e07896e6 AH |
129 | else if (serial->interface->num_altsetting > 2) |
130 | break; | |
131 | ||
132 | if (intf->desc.bNumEndpoints == 2 && | |
133 | usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) && | |
134 | usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) { | |
135 | dbg("QDL port found"); | |
136 | ||
137 | if (serial->interface->num_altsetting == 1) | |
138 | return 0; | |
139 | ||
140 | retval = usb_set_interface(serial->dev, ifnum, 1); | |
141 | if (retval < 0) { | |
142 | dev_err(&serial->dev->dev, | |
143 | "Could not set interface, error %d\n", | |
144 | retval); | |
145 | retval = -ENODEV; | |
0d152de5 | 146 | kfree(data); |
a78b4282 | 147 | } |
e07896e6 | 148 | return retval; |
a78b4282 GKH |
149 | } |
150 | break; | |
151 | ||
e07896e6 | 152 | case 3: |
a78b4282 GKH |
153 | case 4: |
154 | /* Composite mode */ | |
1992de83 ME |
155 | /* ifnum == 0 is a broadband network adapter */ |
156 | if (ifnum == 1) { | |
157 | /* | |
158 | * Diagnostics Monitor (serial line 9600 8N1) | |
159 | * Qualcomm DM protocol | |
160 | * use "libqcdm" (ModemManager) for communication | |
161 | */ | |
162 | dbg("Diagnostics Monitor found"); | |
163 | retval = usb_set_interface(serial->dev, ifnum, 0); | |
164 | if (retval < 0) { | |
165 | dev_err(&serial->dev->dev, | |
166 | "Could not set interface, error %d\n", | |
167 | retval); | |
168 | retval = -ENODEV; | |
169 | } | |
170 | } else if (ifnum == 2) { | |
a78b4282 GKH |
171 | dbg("Modem port found"); |
172 | retval = usb_set_interface(serial->dev, ifnum, 0); | |
173 | if (retval < 0) { | |
174 | dev_err(&serial->dev->dev, | |
175 | "Could not set interface, error %d\n", | |
176 | retval); | |
177 | retval = -ENODEV; | |
0d152de5 | 178 | kfree(data); |
a78b4282 GKH |
179 | } |
180 | return retval; | |
1992de83 ME |
181 | } else if (ifnum==3) { |
182 | /* | |
183 | * NMEA (serial line 9600 8N1) | |
184 | * # echo "\$GPS_START" > /dev/ttyUSBx | |
185 | * # echo "\$GPS_STOP" > /dev/ttyUSBx | |
186 | */ | |
187 | dbg("NMEA GPS interface found"); | |
188 | retval = usb_set_interface(serial->dev, ifnum, 0); | |
189 | if (retval < 0) { | |
190 | dev_err(&serial->dev->dev, | |
191 | "Could not set interface, error %d\n", | |
192 | retval); | |
193 | retval = -ENODEV; | |
194 | } | |
a78b4282 GKH |
195 | } |
196 | break; | |
197 | ||
198 | default: | |
199 | dev_err(&serial->dev->dev, | |
200 | "unknown number of interfaces: %d\n", nintf); | |
0d152de5 | 201 | kfree(data); |
a78b4282 GKH |
202 | return -ENODEV; |
203 | } | |
204 | ||
205 | return retval; | |
206 | } | |
207 | ||
208 | static struct usb_serial_driver qcdevice = { | |
209 | .driver = { | |
210 | .owner = THIS_MODULE, | |
211 | .name = "qcserial", | |
212 | }, | |
213 | .description = "Qualcomm USB modem", | |
214 | .id_table = id_table, | |
215 | .usb_driver = &qcdriver, | |
216 | .num_ports = 1, | |
217 | .probe = qcprobe, | |
3d7e59ad MG |
218 | .open = usb_wwan_open, |
219 | .close = usb_wwan_close, | |
220 | .write = usb_wwan_write, | |
221 | .write_room = usb_wwan_write_room, | |
222 | .chars_in_buffer = usb_wwan_chars_in_buffer, | |
223 | .attach = usb_wwan_startup, | |
224 | .disconnect = usb_wwan_disconnect, | |
225 | .release = usb_wwan_release, | |
226 | #ifdef CONFIG_PM | |
227 | .suspend = usb_wwan_suspend, | |
228 | .resume = usb_wwan_resume, | |
229 | #endif | |
a78b4282 GKH |
230 | }; |
231 | ||
232 | static int __init qcinit(void) | |
233 | { | |
234 | int retval; | |
235 | ||
236 | retval = usb_serial_register(&qcdevice); | |
237 | if (retval) | |
238 | return retval; | |
239 | ||
240 | retval = usb_register(&qcdriver); | |
241 | if (retval) { | |
242 | usb_serial_deregister(&qcdevice); | |
243 | return retval; | |
244 | } | |
245 | ||
246 | return 0; | |
247 | } | |
248 | ||
249 | static void __exit qcexit(void) | |
250 | { | |
251 | usb_deregister(&qcdriver); | |
252 | usb_serial_deregister(&qcdevice); | |
253 | } | |
254 | ||
255 | module_init(qcinit); | |
256 | module_exit(qcexit); | |
257 | ||
258 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
259 | MODULE_DESCRIPTION(DRIVER_DESC); | |
260 | MODULE_LICENSE("GPL v2"); | |
261 | ||
262 | module_param(debug, bool, S_IRUGO | S_IWUSR); | |
263 | MODULE_PARM_DESC(debug, "Debug enabled or not"); |