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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> | |
6eb0de82 | 16 | #include <linux/module.h> |
a78b4282 GKH |
17 | #include <linux/usb.h> |
18 | #include <linux/usb/serial.h> | |
3d7e59ad MG |
19 | #include <linux/slab.h> |
20 | #include "usb-wwan.h" | |
a78b4282 GKH |
21 | |
22 | #define DRIVER_AUTHOR "Qualcomm Inc" | |
23 | #define DRIVER_DESC "Qualcomm USB Serial driver" | |
24 | ||
90ab5ee9 | 25 | static bool debug; |
a78b4282 | 26 | |
c192c8e7 DW |
27 | #define DEVICE_G1K(v, p) \ |
28 | USB_DEVICE(v, p), .driver_info = 1 | |
29 | ||
7d40d7e8 | 30 | static const struct usb_device_id id_table[] = { |
c192c8e7 DW |
31 | /* Gobi 1000 devices */ |
32 | {DEVICE_G1K(0x05c6, 0x9211)}, /* Acer Gobi QDL device */ | |
33 | {DEVICE_G1K(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ | |
34 | {DEVICE_G1K(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */ | |
35 | {DEVICE_G1K(0x03f0, 0x201d)}, /* HP un2400 Gobi QDL Device */ | |
36 | {DEVICE_G1K(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */ | |
37 | {DEVICE_G1K(0x04da, 0x250c)}, /* Panasonic Gobi QDL device */ | |
38 | {DEVICE_G1K(0x413c, 0x8172)}, /* Dell Gobi Modem device */ | |
39 | {DEVICE_G1K(0x413c, 0x8171)}, /* Dell Gobi QDL device */ | |
40 | {DEVICE_G1K(0x1410, 0xa001)}, /* Novatel Gobi Modem device */ | |
41 | {DEVICE_G1K(0x1410, 0xa008)}, /* Novatel Gobi QDL device */ | |
42 | {DEVICE_G1K(0x0b05, 0x1776)}, /* Asus Gobi Modem device */ | |
43 | {DEVICE_G1K(0x0b05, 0x1774)}, /* Asus Gobi QDL device */ | |
44 | {DEVICE_G1K(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */ | |
45 | {DEVICE_G1K(0x19d2, 0xfff2)}, /* ONDA Gobi QDL device */ | |
46 | {DEVICE_G1K(0x1557, 0x0a80)}, /* OQO Gobi QDL device */ | |
47 | {DEVICE_G1K(0x05c6, 0x9001)}, /* Generic Gobi Modem device */ | |
48 | {DEVICE_G1K(0x05c6, 0x9002)}, /* Generic Gobi Modem device */ | |
49 | {DEVICE_G1K(0x05c6, 0x9202)}, /* Generic Gobi Modem device */ | |
50 | {DEVICE_G1K(0x05c6, 0x9203)}, /* Generic Gobi Modem device */ | |
51 | {DEVICE_G1K(0x05c6, 0x9222)}, /* Generic Gobi Modem device */ | |
52 | {DEVICE_G1K(0x05c6, 0x9008)}, /* Generic Gobi QDL device */ | |
53 | {DEVICE_G1K(0x05c6, 0x9009)}, /* Generic Gobi Modem device */ | |
54 | {DEVICE_G1K(0x05c6, 0x9201)}, /* Generic Gobi QDL device */ | |
55 | {DEVICE_G1K(0x05c6, 0x9221)}, /* Generic Gobi QDL device */ | |
56 | {DEVICE_G1K(0x05c6, 0x9231)}, /* Generic Gobi QDL device */ | |
57 | {DEVICE_G1K(0x1f45, 0x0001)}, /* Unknown Gobi QDL device */ | |
58 | ||
59 | /* Gobi 2000 devices */ | |
60 | {USB_DEVICE(0x1410, 0xa010)}, /* Novatel Gobi 2000 QDL device */ | |
61 | {USB_DEVICE(0x1410, 0xa011)}, /* Novatel Gobi 2000 QDL device */ | |
62 | {USB_DEVICE(0x1410, 0xa012)}, /* Novatel Gobi 2000 QDL device */ | |
63 | {USB_DEVICE(0x1410, 0xa013)}, /* Novatel Gobi 2000 QDL device */ | |
64 | {USB_DEVICE(0x1410, 0xa014)}, /* Novatel Gobi 2000 QDL device */ | |
0725e95e BR |
65 | {USB_DEVICE(0x413c, 0x8185)}, /* Dell Gobi 2000 QDL device (N0218, VU936) */ |
66 | {USB_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */ | |
bec25b89 AB |
67 | {USB_DEVICE(0x05c6, 0x9208)}, /* Generic Gobi 2000 QDL device */ |
68 | {USB_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */ | |
0725e95e BR |
69 | {USB_DEVICE(0x05c6, 0x9224)}, /* Sony Gobi 2000 QDL device (N0279, VU730) */ |
70 | {USB_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */ | |
71 | {USB_DEVICE(0x05c6, 0x9244)}, /* Samsung Gobi 2000 QDL device (VL176) */ | |
72 | {USB_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */ | |
73 | {USB_DEVICE(0x03f0, 0x241d)}, /* HP Gobi 2000 QDL device (VP412) */ | |
74 | {USB_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */ | |
75 | {USB_DEVICE(0x05c6, 0x9214)}, /* Acer Gobi 2000 QDL device (VP413) */ | |
76 | {USB_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */ | |
77 | {USB_DEVICE(0x05c6, 0x9264)}, /* Asus Gobi 2000 QDL device (VR305) */ | |
78 | {USB_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */ | |
79 | {USB_DEVICE(0x05c6, 0x9234)}, /* Top Global Gobi 2000 QDL device (VR306) */ | |
80 | {USB_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */ | |
81 | {USB_DEVICE(0x05c6, 0x9274)}, /* iRex Technologies Gobi 2000 QDL device (VR307) */ | |
82 | {USB_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */ | |
83 | {USB_DEVICE(0x1199, 0x9000)}, /* Sierra Wireless Gobi 2000 QDL device (VT773) */ | |
84 | {USB_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
85 | {USB_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
86 | {USB_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
87 | {USB_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
88 | {USB_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
89 | {USB_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
90 | {USB_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
91 | {USB_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
92 | {USB_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
93 | {USB_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
2f1def26 | 94 | {USB_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */ |
0725e95e BR |
95 | {USB_DEVICE(0x16d8, 0x8001)}, /* CMDTech Gobi 2000 QDL device (VU922) */ |
96 | {USB_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */ | |
e07896e6 AH |
97 | {USB_DEVICE(0x05c6, 0x9204)}, /* Gobi 2000 QDL device */ |
98 | {USB_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */ | |
2db4d870 | 99 | |
c192c8e7 DW |
100 | /* Gobi 3000 devices */ |
101 | {USB_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Gobi 3000 QDL */ | |
2db4d870 TT |
102 | {USB_DEVICE(0x05c6, 0x920c)}, /* Gobi 3000 QDL */ |
103 | {USB_DEVICE(0x05c6, 0x920d)}, /* Gobi 3000 Composite */ | |
104 | {USB_DEVICE(0x1410, 0xa020)}, /* Novatel Gobi 3000 QDL */ | |
105 | {USB_DEVICE(0x1410, 0xa021)}, /* Novatel Gobi 3000 Composite */ | |
106 | {USB_DEVICE(0x413c, 0x8193)}, /* Dell Gobi 3000 QDL */ | |
107 | {USB_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */ | |
c41444cc BM |
108 | {USB_DEVICE(0x1199, 0x9010)}, /* Sierra Wireless Gobi 3000 QDL */ |
109 | {USB_DEVICE(0x1199, 0x9012)}, /* Sierra Wireless Gobi 3000 QDL */ | |
68c79e57 | 110 | {USB_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */ |
c41444cc BM |
111 | {USB_DEVICE(0x1199, 0x9014)}, /* Sierra Wireless Gobi 3000 QDL */ |
112 | {USB_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */ | |
113 | {USB_DEVICE(0x1199, 0x9018)}, /* Sierra Wireless Gobi 3000 QDL */ | |
114 | {USB_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */ | |
2db4d870 TT |
115 | {USB_DEVICE(0x12D1, 0x14F0)}, /* Sony Gobi 3000 QDL */ |
116 | {USB_DEVICE(0x12D1, 0x14F1)}, /* Sony Gobi 3000 Composite */ | |
a78b4282 GKH |
117 | { } /* Terminating entry */ |
118 | }; | |
119 | MODULE_DEVICE_TABLE(usb, id_table); | |
120 | ||
a78b4282 GKH |
121 | static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) |
122 | { | |
3d7e59ad | 123 | struct usb_wwan_intf_private *data; |
e07896e6 | 124 | struct usb_host_interface *intf = serial->interface->cur_altsetting; |
9760b283 | 125 | struct device *dev = &serial->dev->dev; |
a78b4282 GKH |
126 | int retval = -ENODEV; |
127 | __u8 nintf; | |
128 | __u8 ifnum; | |
c192c8e7 | 129 | bool is_gobi1k = id->driver_info ? true : false; |
a78b4282 | 130 | |
9760b283 | 131 | dev_dbg(dev, "Is Gobi 1000 = %d\n", is_gobi1k); |
a78b4282 GKH |
132 | |
133 | nintf = serial->dev->actconfig->desc.bNumInterfaces; | |
9760b283 | 134 | dev_dbg(dev, "Num Interfaces = %d\n", nintf); |
e07896e6 | 135 | ifnum = intf->desc.bInterfaceNumber; |
9760b283 | 136 | dev_dbg(dev, "This Interface = %d\n", ifnum); |
a78b4282 | 137 | |
99ab3f9e | 138 | data = kzalloc(sizeof(struct usb_wwan_intf_private), |
3d7e59ad MG |
139 | GFP_KERNEL); |
140 | if (!data) | |
141 | return -ENOMEM; | |
142 | ||
143 | spin_lock_init(&data->susp_lock); | |
144 | ||
a78b4282 GKH |
145 | switch (nintf) { |
146 | case 1: | |
147 | /* QDL mode */ | |
e07896e6 AH |
148 | /* Gobi 2000 has a single altsetting, older ones have two */ |
149 | if (serial->interface->num_altsetting == 2) | |
a78b4282 | 150 | intf = &serial->interface->altsetting[1]; |
e07896e6 AH |
151 | else if (serial->interface->num_altsetting > 2) |
152 | break; | |
153 | ||
154 | if (intf->desc.bNumEndpoints == 2 && | |
155 | usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) && | |
156 | usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) { | |
9760b283 | 157 | dev_dbg(dev, "QDL port found\n"); |
e07896e6 | 158 | |
99ab3f9e SH |
159 | if (serial->interface->num_altsetting == 1) { |
160 | retval = 0; /* Success */ | |
161 | break; | |
162 | } | |
e07896e6 AH |
163 | |
164 | retval = usb_set_interface(serial->dev, ifnum, 1); | |
165 | if (retval < 0) { | |
9760b283 | 166 | dev_err(dev, |
e07896e6 AH |
167 | "Could not set interface, error %d\n", |
168 | retval); | |
169 | retval = -ENODEV; | |
0d152de5 | 170 | kfree(data); |
a78b4282 GKH |
171 | } |
172 | } | |
173 | break; | |
174 | ||
e07896e6 | 175 | case 3: |
a78b4282 | 176 | case 4: |
c192c8e7 DW |
177 | /* Composite mode; don't bind to the QMI/net interface as that |
178 | * gets handled by other drivers. | |
179 | */ | |
180 | ||
181 | /* Gobi 1K USB layout: | |
182 | * 0: serial port (doesn't respond) | |
183 | * 1: serial port (doesn't respond) | |
184 | * 2: AT-capable modem port | |
185 | * 3: QMI/net | |
186 | * | |
187 | * Gobi 2K+ USB layout: | |
188 | * 0: QMI/net | |
189 | * 1: DM/DIAG (use libqcdm from ModemManager for communication) | |
190 | * 2: AT-capable modem port | |
191 | * 3: NMEA | |
192 | */ | |
193 | ||
194 | if (ifnum == 1 && !is_gobi1k) { | |
9760b283 | 195 | dev_dbg(dev, "Gobi 2K+ DM/DIAG interface found\n"); |
1992de83 ME |
196 | retval = usb_set_interface(serial->dev, ifnum, 0); |
197 | if (retval < 0) { | |
9760b283 | 198 | dev_err(dev, |
1992de83 ME |
199 | "Could not set interface, error %d\n", |
200 | retval); | |
201 | retval = -ENODEV; | |
cb62d65f | 202 | kfree(data); |
1992de83 ME |
203 | } |
204 | } else if (ifnum == 2) { | |
9760b283 | 205 | dev_dbg(dev, "Modem port found\n"); |
a78b4282 GKH |
206 | retval = usb_set_interface(serial->dev, ifnum, 0); |
207 | if (retval < 0) { | |
9760b283 | 208 | dev_err(dev, |
a78b4282 GKH |
209 | "Could not set interface, error %d\n", |
210 | retval); | |
211 | retval = -ENODEV; | |
0d152de5 | 212 | kfree(data); |
a78b4282 | 213 | } |
c192c8e7 | 214 | } else if (ifnum==3 && !is_gobi1k) { |
1992de83 ME |
215 | /* |
216 | * NMEA (serial line 9600 8N1) | |
217 | * # echo "\$GPS_START" > /dev/ttyUSBx | |
218 | * # echo "\$GPS_STOP" > /dev/ttyUSBx | |
219 | */ | |
9760b283 | 220 | dev_dbg(dev, "Gobi 2K+ NMEA GPS interface found\n"); |
1992de83 ME |
221 | retval = usb_set_interface(serial->dev, ifnum, 0); |
222 | if (retval < 0) { | |
9760b283 | 223 | dev_err(dev, |
1992de83 ME |
224 | "Could not set interface, error %d\n", |
225 | retval); | |
226 | retval = -ENODEV; | |
cb62d65f | 227 | kfree(data); |
1992de83 | 228 | } |
a78b4282 GKH |
229 | } |
230 | break; | |
231 | ||
232 | default: | |
9760b283 | 233 | dev_err(dev, "unknown number of interfaces: %d\n", nintf); |
0d152de5 | 234 | kfree(data); |
99ab3f9e | 235 | retval = -ENODEV; |
a78b4282 GKH |
236 | } |
237 | ||
99ab3f9e SH |
238 | /* Set serial->private if not returning -ENODEV */ |
239 | if (retval != -ENODEV) | |
240 | usb_set_serial_data(serial, data); | |
a78b4282 GKH |
241 | return retval; |
242 | } | |
243 | ||
10c9ab15 SH |
244 | static void qc_release(struct usb_serial *serial) |
245 | { | |
246 | struct usb_wwan_intf_private *priv = usb_get_serial_data(serial); | |
247 | ||
10c9ab15 SH |
248 | /* Call usb_wwan release & free the private data allocated in qcprobe */ |
249 | usb_wwan_release(serial); | |
250 | usb_set_serial_data(serial, NULL); | |
251 | kfree(priv); | |
252 | } | |
253 | ||
a78b4282 GKH |
254 | static struct usb_serial_driver qcdevice = { |
255 | .driver = { | |
256 | .owner = THIS_MODULE, | |
257 | .name = "qcserial", | |
258 | }, | |
259 | .description = "Qualcomm USB modem", | |
260 | .id_table = id_table, | |
a78b4282 GKH |
261 | .num_ports = 1, |
262 | .probe = qcprobe, | |
3d7e59ad MG |
263 | .open = usb_wwan_open, |
264 | .close = usb_wwan_close, | |
265 | .write = usb_wwan_write, | |
266 | .write_room = usb_wwan_write_room, | |
267 | .chars_in_buffer = usb_wwan_chars_in_buffer, | |
268 | .attach = usb_wwan_startup, | |
269 | .disconnect = usb_wwan_disconnect, | |
10c9ab15 | 270 | .release = qc_release, |
3d7e59ad MG |
271 | #ifdef CONFIG_PM |
272 | .suspend = usb_wwan_suspend, | |
273 | .resume = usb_wwan_resume, | |
274 | #endif | |
a78b4282 GKH |
275 | }; |
276 | ||
d860322f AS |
277 | static struct usb_serial_driver * const serial_drivers[] = { |
278 | &qcdevice, NULL | |
279 | }; | |
280 | ||
68e24113 | 281 | module_usb_serial_driver(serial_drivers, id_table); |
a78b4282 GKH |
282 | |
283 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
284 | MODULE_DESCRIPTION(DRIVER_DESC); | |
285 | MODULE_LICENSE("GPL v2"); | |
286 | ||
287 | module_param(debug, bool, S_IRUGO | S_IWUSR); | |
288 | MODULE_PARM_DESC(debug, "Debug enabled or not"); |