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Commit | Line | Data |
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5fd54ace | 1 | // SPDX-License-Identifier: GPL-2.0 |
a78b4282 GKH |
2 | /* |
3 | * Qualcomm Serial USB driver | |
4 | * | |
5 | * Copyright (c) 2008 QUALCOMM Incorporated. | |
6 | * Copyright (c) 2009 Greg Kroah-Hartman <gregkh@suse.de> | |
7 | * Copyright (c) 2009 Novell Inc. | |
a78b4282 GKH |
8 | */ |
9 | ||
10 | #include <linux/tty.h> | |
11 | #include <linux/tty_flip.h> | |
6eb0de82 | 12 | #include <linux/module.h> |
a78b4282 GKH |
13 | #include <linux/usb.h> |
14 | #include <linux/usb/serial.h> | |
3d7e59ad MG |
15 | #include <linux/slab.h> |
16 | #include "usb-wwan.h" | |
a78b4282 GKH |
17 | |
18 | #define DRIVER_AUTHOR "Qualcomm Inc" | |
19 | #define DRIVER_DESC "Qualcomm USB Serial driver" | |
20 | ||
9d5b5ed7 PŠ |
21 | #define QUECTEL_EC20_PID 0x9215 |
22 | ||
d712ca91 BM |
23 | /* standard device layouts supported by this driver */ |
24 | enum qcserial_layouts { | |
25 | QCSERIAL_G2K = 0, /* Gobi 2000 */ | |
26 | QCSERIAL_G1K = 1, /* Gobi 1000 */ | |
8bc7a069 | 27 | QCSERIAL_SWI = 2, /* Sierra Wireless */ |
e7181d00 | 28 | QCSERIAL_HWI = 3, /* Huawei */ |
d712ca91 BM |
29 | }; |
30 | ||
c192c8e7 | 31 | #define DEVICE_G1K(v, p) \ |
d712ca91 | 32 | USB_DEVICE(v, p), .driver_info = QCSERIAL_G1K |
8bc7a069 BM |
33 | #define DEVICE_SWI(v, p) \ |
34 | USB_DEVICE(v, p), .driver_info = QCSERIAL_SWI | |
e7181d00 MH |
35 | #define DEVICE_HWI(v, p) \ |
36 | USB_DEVICE(v, p), .driver_info = QCSERIAL_HWI | |
c192c8e7 | 37 | |
7d40d7e8 | 38 | static const struct usb_device_id id_table[] = { |
c192c8e7 DW |
39 | /* Gobi 1000 devices */ |
40 | {DEVICE_G1K(0x05c6, 0x9211)}, /* Acer Gobi QDL device */ | |
41 | {DEVICE_G1K(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ | |
42 | {DEVICE_G1K(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */ | |
43 | {DEVICE_G1K(0x03f0, 0x201d)}, /* HP un2400 Gobi QDL Device */ | |
44 | {DEVICE_G1K(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */ | |
45 | {DEVICE_G1K(0x04da, 0x250c)}, /* Panasonic Gobi QDL device */ | |
46 | {DEVICE_G1K(0x413c, 0x8172)}, /* Dell Gobi Modem device */ | |
47 | {DEVICE_G1K(0x413c, 0x8171)}, /* Dell Gobi QDL device */ | |
a254810a DW |
48 | {DEVICE_G1K(0x1410, 0xa001)}, /* Novatel/Verizon USB-1000 */ |
49 | {DEVICE_G1K(0x1410, 0xa002)}, /* Novatel Gobi Modem device */ | |
50 | {DEVICE_G1K(0x1410, 0xa003)}, /* Novatel Gobi Modem device */ | |
51 | {DEVICE_G1K(0x1410, 0xa004)}, /* Novatel Gobi Modem device */ | |
52 | {DEVICE_G1K(0x1410, 0xa005)}, /* Novatel Gobi Modem device */ | |
53 | {DEVICE_G1K(0x1410, 0xa006)}, /* Novatel Gobi Modem device */ | |
54 | {DEVICE_G1K(0x1410, 0xa007)}, /* Novatel Gobi Modem device */ | |
c192c8e7 DW |
55 | {DEVICE_G1K(0x1410, 0xa008)}, /* Novatel Gobi QDL device */ |
56 | {DEVICE_G1K(0x0b05, 0x1776)}, /* Asus Gobi Modem device */ | |
57 | {DEVICE_G1K(0x0b05, 0x1774)}, /* Asus Gobi QDL device */ | |
58 | {DEVICE_G1K(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */ | |
59 | {DEVICE_G1K(0x19d2, 0xfff2)}, /* ONDA Gobi QDL device */ | |
60 | {DEVICE_G1K(0x1557, 0x0a80)}, /* OQO Gobi QDL device */ | |
61 | {DEVICE_G1K(0x05c6, 0x9001)}, /* Generic Gobi Modem device */ | |
62 | {DEVICE_G1K(0x05c6, 0x9002)}, /* Generic Gobi Modem device */ | |
63 | {DEVICE_G1K(0x05c6, 0x9202)}, /* Generic Gobi Modem device */ | |
64 | {DEVICE_G1K(0x05c6, 0x9203)}, /* Generic Gobi Modem device */ | |
65 | {DEVICE_G1K(0x05c6, 0x9222)}, /* Generic Gobi Modem device */ | |
66 | {DEVICE_G1K(0x05c6, 0x9008)}, /* Generic Gobi QDL device */ | |
67 | {DEVICE_G1K(0x05c6, 0x9009)}, /* Generic Gobi Modem device */ | |
68 | {DEVICE_G1K(0x05c6, 0x9201)}, /* Generic Gobi QDL device */ | |
69 | {DEVICE_G1K(0x05c6, 0x9221)}, /* Generic Gobi QDL device */ | |
70 | {DEVICE_G1K(0x05c6, 0x9231)}, /* Generic Gobi QDL device */ | |
71 | {DEVICE_G1K(0x1f45, 0x0001)}, /* Unknown Gobi QDL device */ | |
78796ae1 | 72 | {DEVICE_G1K(0x1bc7, 0x900e)}, /* Telit Gobi QDL device */ |
c192c8e7 DW |
73 | |
74 | /* Gobi 2000 devices */ | |
75 | {USB_DEVICE(0x1410, 0xa010)}, /* Novatel Gobi 2000 QDL device */ | |
76 | {USB_DEVICE(0x1410, 0xa011)}, /* Novatel Gobi 2000 QDL device */ | |
77 | {USB_DEVICE(0x1410, 0xa012)}, /* Novatel Gobi 2000 QDL device */ | |
78 | {USB_DEVICE(0x1410, 0xa013)}, /* Novatel Gobi 2000 QDL device */ | |
79 | {USB_DEVICE(0x1410, 0xa014)}, /* Novatel Gobi 2000 QDL device */ | |
0725e95e BR |
80 | {USB_DEVICE(0x413c, 0x8185)}, /* Dell Gobi 2000 QDL device (N0218, VU936) */ |
81 | {USB_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */ | |
bec25b89 AB |
82 | {USB_DEVICE(0x05c6, 0x9208)}, /* Generic Gobi 2000 QDL device */ |
83 | {USB_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */ | |
0725e95e BR |
84 | {USB_DEVICE(0x05c6, 0x9224)}, /* Sony Gobi 2000 QDL device (N0279, VU730) */ |
85 | {USB_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */ | |
86 | {USB_DEVICE(0x05c6, 0x9244)}, /* Samsung Gobi 2000 QDL device (VL176) */ | |
87 | {USB_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */ | |
88 | {USB_DEVICE(0x03f0, 0x241d)}, /* HP Gobi 2000 QDL device (VP412) */ | |
89 | {USB_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */ | |
90 | {USB_DEVICE(0x05c6, 0x9214)}, /* Acer Gobi 2000 QDL device (VP413) */ | |
91 | {USB_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */ | |
92 | {USB_DEVICE(0x05c6, 0x9264)}, /* Asus Gobi 2000 QDL device (VR305) */ | |
93 | {USB_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */ | |
94 | {USB_DEVICE(0x05c6, 0x9234)}, /* Top Global Gobi 2000 QDL device (VR306) */ | |
95 | {USB_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */ | |
96 | {USB_DEVICE(0x05c6, 0x9274)}, /* iRex Technologies Gobi 2000 QDL device (VR307) */ | |
97 | {USB_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */ | |
98 | {USB_DEVICE(0x1199, 0x9000)}, /* Sierra Wireless Gobi 2000 QDL device (VT773) */ | |
99 | {USB_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
100 | {USB_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
101 | {USB_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
102 | {USB_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
103 | {USB_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
104 | {USB_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
105 | {USB_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
106 | {USB_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
107 | {USB_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
108 | {USB_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ | |
2f1def26 | 109 | {USB_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */ |
0725e95e BR |
110 | {USB_DEVICE(0x16d8, 0x8001)}, /* CMDTech Gobi 2000 QDL device (VU922) */ |
111 | {USB_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */ | |
e07896e6 AH |
112 | {USB_DEVICE(0x05c6, 0x9204)}, /* Gobi 2000 QDL device */ |
113 | {USB_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */ | |
2db4d870 | 114 | |
c192c8e7 DW |
115 | /* Gobi 3000 devices */ |
116 | {USB_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Gobi 3000 QDL */ | |
2db4d870 TT |
117 | {USB_DEVICE(0x05c6, 0x920c)}, /* Gobi 3000 QDL */ |
118 | {USB_DEVICE(0x05c6, 0x920d)}, /* Gobi 3000 Composite */ | |
119 | {USB_DEVICE(0x1410, 0xa020)}, /* Novatel Gobi 3000 QDL */ | |
120 | {USB_DEVICE(0x1410, 0xa021)}, /* Novatel Gobi 3000 Composite */ | |
121 | {USB_DEVICE(0x413c, 0x8193)}, /* Dell Gobi 3000 QDL */ | |
122 | {USB_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */ | |
24d615a6 | 123 | {USB_DEVICE(0x413c, 0x81a6)}, /* Dell DW5570 QDL (MC8805) */ |
1937131a BM |
124 | {USB_DEVICE(0x1199, 0x68a4)}, /* Sierra Wireless QDL */ |
125 | {USB_DEVICE(0x1199, 0x68a5)}, /* Sierra Wireless Modem */ | |
126 | {USB_DEVICE(0x1199, 0x68a8)}, /* Sierra Wireless QDL */ | |
127 | {USB_DEVICE(0x1199, 0x68a9)}, /* Sierra Wireless Modem */ | |
c41444cc BM |
128 | {USB_DEVICE(0x1199, 0x9010)}, /* Sierra Wireless Gobi 3000 QDL */ |
129 | {USB_DEVICE(0x1199, 0x9012)}, /* Sierra Wireless Gobi 3000 QDL */ | |
68c79e57 | 130 | {USB_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */ |
c41444cc BM |
131 | {USB_DEVICE(0x1199, 0x9014)}, /* Sierra Wireless Gobi 3000 QDL */ |
132 | {USB_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */ | |
133 | {USB_DEVICE(0x1199, 0x9018)}, /* Sierra Wireless Gobi 3000 QDL */ | |
134 | {USB_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */ | |
1937131a | 135 | {USB_DEVICE(0x1199, 0x901b)}, /* Sierra Wireless MC7770 */ |
2db4d870 TT |
136 | {USB_DEVICE(0x12D1, 0x14F0)}, /* Sony Gobi 3000 QDL */ |
137 | {USB_DEVICE(0x12D1, 0x14F1)}, /* Sony Gobi 3000 Composite */ | |
8a2f132a | 138 | {USB_DEVICE(0x0AF0, 0x8120)}, /* Option GTM681W */ |
1937131a | 139 | |
8bc7a069 | 140 | /* non-Gobi Sierra Wireless devices */ |
44840dec | 141 | {DEVICE_SWI(0x03f0, 0x4e1d)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ |
8bc7a069 BM |
142 | {DEVICE_SWI(0x0f3d, 0x68a2)}, /* Sierra Wireless MC7700 */ |
143 | {DEVICE_SWI(0x114f, 0x68a2)}, /* Sierra Wireless MC7750 */ | |
144 | {DEVICE_SWI(0x1199, 0x68a2)}, /* Sierra Wireless MC7710 */ | |
92944c45 | 145 | {DEVICE_SWI(0x1199, 0x68c0)}, /* Sierra Wireless MC7304/MC7354 */ |
8bc7a069 | 146 | {DEVICE_SWI(0x1199, 0x901c)}, /* Sierra Wireless EM7700 */ |
771394a5 | 147 | {DEVICE_SWI(0x1199, 0x901e)}, /* Sierra Wireless EM7355 QDL */ |
8bc7a069 | 148 | {DEVICE_SWI(0x1199, 0x901f)}, /* Sierra Wireless EM7355 */ |
0ce5fb58 | 149 | {DEVICE_SWI(0x1199, 0x9040)}, /* Sierra Wireless Modem */ |
3d07984b | 150 | {DEVICE_SWI(0x1199, 0x9041)}, /* Sierra Wireless MC7305/MC7355 */ |
8bc7a069 | 151 | {DEVICE_SWI(0x1199, 0x9051)}, /* Netgear AirCard 340U */ |
0ce5fb58 AM |
152 | {DEVICE_SWI(0x1199, 0x9053)}, /* Sierra Wireless Modem */ |
153 | {DEVICE_SWI(0x1199, 0x9054)}, /* Sierra Wireless Modem */ | |
ff1fcd50 | 154 | {DEVICE_SWI(0x1199, 0x9055)}, /* Netgear AirCard 341U */ |
0ce5fb58 AM |
155 | {DEVICE_SWI(0x1199, 0x9056)}, /* Sierra Wireless Modem */ |
156 | {DEVICE_SWI(0x1199, 0x9060)}, /* Sierra Wireless Modem */ | |
157 | {DEVICE_SWI(0x1199, 0x9061)}, /* Sierra Wireless Modem */ | |
996fab55 | 158 | {DEVICE_SWI(0x1199, 0x9063)}, /* Sierra Wireless EM7305 */ |
04fdbc82 BM |
159 | {DEVICE_SWI(0x1199, 0x9070)}, /* Sierra Wireless MC74xx */ |
160 | {DEVICE_SWI(0x1199, 0x9071)}, /* Sierra Wireless MC74xx */ | |
161 | {DEVICE_SWI(0x1199, 0x9078)}, /* Sierra Wireless EM74xx */ | |
162 | {DEVICE_SWI(0x1199, 0x9079)}, /* Sierra Wireless EM74xx */ | |
8d7a10dd BM |
163 | {DEVICE_SWI(0x1199, 0x907a)}, /* Sierra Wireless EM74xx QDL */ |
164 | {DEVICE_SWI(0x1199, 0x907b)}, /* Sierra Wireless EM74xx */ | |
92a18a65 RS |
165 | {DEVICE_SWI(0x1199, 0x9090)}, /* Sierra Wireless EM7565 QDL */ |
166 | {DEVICE_SWI(0x1199, 0x9091)}, /* Sierra Wireless EM7565 */ | |
8bc7a069 BM |
167 | {DEVICE_SWI(0x413c, 0x81a2)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */ |
168 | {DEVICE_SWI(0x413c, 0x81a3)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */ | |
169 | {DEVICE_SWI(0x413c, 0x81a4)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ | |
170 | {DEVICE_SWI(0x413c, 0x81a8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */ | |
171 | {DEVICE_SWI(0x413c, 0x81a9)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ | |
6da3700c | 172 | {DEVICE_SWI(0x413c, 0x81b1)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */ |
013dd239 | 173 | {DEVICE_SWI(0x413c, 0x81b3)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */ |
436ecf55 BM |
174 | {DEVICE_SWI(0x413c, 0x81b5)}, /* Dell Wireless 5811e QDL */ |
175 | {DEVICE_SWI(0x413c, 0x81b6)}, /* Dell Wireless 5811e QDL */ | |
f5d9644c SB |
176 | {DEVICE_SWI(0x413c, 0x81cf)}, /* Dell Wireless 5819 */ |
177 | {DEVICE_SWI(0x413c, 0x81d0)}, /* Dell Wireless 5819 */ | |
178 | {DEVICE_SWI(0x413c, 0x81d1)}, /* Dell Wireless 5818 */ | |
179 | {DEVICE_SWI(0x413c, 0x81d2)}, /* Dell Wireless 5818 */ | |
1937131a | 180 | |
e7181d00 MH |
181 | /* Huawei devices */ |
182 | {DEVICE_HWI(0x03f0, 0x581d)}, /* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */ | |
183 | ||
a78b4282 GKH |
184 | { } /* Terminating entry */ |
185 | }; | |
186 | MODULE_DEVICE_TABLE(usb, id_table); | |
187 | ||
9d5b5ed7 PŠ |
188 | static int handle_quectel_ec20(struct device *dev, int ifnum) |
189 | { | |
190 | int altsetting = 0; | |
191 | ||
192 | /* | |
193 | * Quectel EC20 Mini PCIe LTE module layout: | |
194 | * 0: DM/DIAG (use libqcdm from ModemManager for communication) | |
195 | * 1: NMEA | |
196 | * 2: AT-capable modem port | |
197 | * 3: Modem interface | |
198 | * 4: NDIS | |
199 | */ | |
200 | switch (ifnum) { | |
201 | case 0: | |
202 | dev_dbg(dev, "Quectel EC20 DM/DIAG interface found\n"); | |
203 | break; | |
204 | case 1: | |
205 | dev_dbg(dev, "Quectel EC20 NMEA GPS interface found\n"); | |
206 | break; | |
207 | case 2: | |
208 | case 3: | |
209 | dev_dbg(dev, "Quectel EC20 Modem port found\n"); | |
210 | break; | |
211 | case 4: | |
212 | /* Don't claim the QMI/net interface */ | |
213 | altsetting = -1; | |
214 | break; | |
215 | } | |
216 | ||
217 | return altsetting; | |
218 | } | |
219 | ||
a78b4282 GKH |
220 | static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) |
221 | { | |
e07896e6 | 222 | struct usb_host_interface *intf = serial->interface->cur_altsetting; |
9760b283 | 223 | struct device *dev = &serial->dev->dev; |
a78b4282 GKH |
224 | int retval = -ENODEV; |
225 | __u8 nintf; | |
226 | __u8 ifnum; | |
2cf69930 | 227 | int altsetting = -1; |
efd3e915 | 228 | bool sendsetup = false; |
a78b4282 | 229 | |
59536da3 BM |
230 | /* we only support vendor specific functions */ |
231 | if (intf->desc.bInterfaceClass != USB_CLASS_VENDOR_SPEC) | |
232 | goto done; | |
233 | ||
a78b4282 | 234 | nintf = serial->dev->actconfig->desc.bNumInterfaces; |
9760b283 | 235 | dev_dbg(dev, "Num Interfaces = %d\n", nintf); |
e07896e6 | 236 | ifnum = intf->desc.bInterfaceNumber; |
9760b283 | 237 | dev_dbg(dev, "This Interface = %d\n", ifnum); |
a78b4282 | 238 | |
0dfbf65e | 239 | if (nintf == 1) { |
a78b4282 | 240 | /* QDL mode */ |
e07896e6 AH |
241 | /* Gobi 2000 has a single altsetting, older ones have two */ |
242 | if (serial->interface->num_altsetting == 2) | |
a78b4282 | 243 | intf = &serial->interface->altsetting[1]; |
e07896e6 | 244 | else if (serial->interface->num_altsetting > 2) |
0dfbf65e | 245 | goto done; |
e07896e6 AH |
246 | |
247 | if (intf->desc.bNumEndpoints == 2 && | |
248 | usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) && | |
249 | usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) { | |
9760b283 | 250 | dev_dbg(dev, "QDL port found\n"); |
e07896e6 | 251 | |
d25d5f28 | 252 | if (serial->interface->num_altsetting == 1) |
99ab3f9e | 253 | retval = 0; /* Success */ |
d25d5f28 BM |
254 | else |
255 | altsetting = 1; | |
a78b4282 | 256 | } |
0dfbf65e | 257 | goto done; |
a78b4282 | 258 | |
0dfbf65e BM |
259 | } |
260 | ||
0dfbf65e BM |
261 | /* default to enabling interface */ |
262 | altsetting = 0; | |
c192c8e7 | 263 | |
ce1b0661 BM |
264 | /* |
265 | * Composite mode; don't bind to the QMI/net interface as that | |
731879f8 DW |
266 | * gets handled by other drivers. |
267 | */ | |
268 | ||
d712ca91 BM |
269 | switch (id->driver_info) { |
270 | case QCSERIAL_G1K: | |
ce1b0661 BM |
271 | /* |
272 | * Gobi 1K USB layout: | |
3f8bc5e4 | 273 | * 0: DM/DIAG (use libqcdm from ModemManager for communication) |
c192c8e7 DW |
274 | * 1: serial port (doesn't respond) |
275 | * 2: AT-capable modem port | |
276 | * 3: QMI/net | |
731879f8 | 277 | */ |
8bc7a069 BM |
278 | if (nintf < 3 || nintf > 4) { |
279 | dev_err(dev, "unknown number of interfaces: %d\n", nintf); | |
280 | altsetting = -1; | |
281 | goto done; | |
282 | } | |
283 | ||
3f8bc5e4 DW |
284 | if (ifnum == 0) { |
285 | dev_dbg(dev, "Gobi 1K DM/DIAG interface found\n"); | |
286 | altsetting = 1; | |
287 | } else if (ifnum == 2) | |
731879f8 DW |
288 | dev_dbg(dev, "Modem port found\n"); |
289 | else | |
290 | altsetting = -1; | |
d712ca91 BM |
291 | break; |
292 | case QCSERIAL_G2K: | |
9d5b5ed7 PŠ |
293 | /* handle non-standard layouts */ |
294 | if (nintf == 5 && id->idProduct == QUECTEL_EC20_PID) { | |
295 | altsetting = handle_quectel_ec20(dev, ifnum); | |
296 | goto done; | |
297 | } | |
298 | ||
ce1b0661 BM |
299 | /* |
300 | * Gobi 2K+ USB layout: | |
c192c8e7 DW |
301 | * 0: QMI/net |
302 | * 1: DM/DIAG (use libqcdm from ModemManager for communication) | |
303 | * 2: AT-capable modem port | |
304 | * 3: NMEA | |
305 | */ | |
8bc7a069 BM |
306 | if (nintf < 3 || nintf > 4) { |
307 | dev_err(dev, "unknown number of interfaces: %d\n", nintf); | |
308 | altsetting = -1; | |
309 | goto done; | |
310 | } | |
311 | ||
731879f8 DW |
312 | switch (ifnum) { |
313 | case 0: | |
314 | /* Don't claim the QMI/net interface */ | |
0dfbf65e | 315 | altsetting = -1; |
731879f8 DW |
316 | break; |
317 | case 1: | |
9760b283 | 318 | dev_dbg(dev, "Gobi 2K+ DM/DIAG interface found\n"); |
731879f8 DW |
319 | break; |
320 | case 2: | |
321 | dev_dbg(dev, "Modem port found\n"); | |
322 | break; | |
323 | case 3: | |
1992de83 ME |
324 | /* |
325 | * NMEA (serial line 9600 8N1) | |
326 | * # echo "\$GPS_START" > /dev/ttyUSBx | |
327 | * # echo "\$GPS_STOP" > /dev/ttyUSBx | |
328 | */ | |
9760b283 | 329 | dev_dbg(dev, "Gobi 2K+ NMEA GPS interface found\n"); |
731879f8 DW |
330 | break; |
331 | } | |
d712ca91 | 332 | break; |
8bc7a069 BM |
333 | case QCSERIAL_SWI: |
334 | /* | |
335 | * Sierra Wireless layout: | |
336 | * 0: DM/DIAG (use libqcdm from ModemManager for communication) | |
337 | * 2: NMEA | |
338 | * 3: AT-capable modem port | |
339 | * 8: QMI/net | |
340 | */ | |
341 | switch (ifnum) { | |
342 | case 0: | |
343 | dev_dbg(dev, "DM/DIAG interface found\n"); | |
344 | break; | |
345 | case 2: | |
346 | dev_dbg(dev, "NMEA GPS interface found\n"); | |
92a18a65 | 347 | sendsetup = true; |
8bc7a069 BM |
348 | break; |
349 | case 3: | |
350 | dev_dbg(dev, "Modem port found\n"); | |
efd3e915 | 351 | sendsetup = true; |
8bc7a069 BM |
352 | break; |
353 | default: | |
354 | /* don't claim any unsupported interface */ | |
355 | altsetting = -1; | |
356 | break; | |
357 | } | |
358 | break; | |
e7181d00 MH |
359 | case QCSERIAL_HWI: |
360 | /* | |
59536da3 BM |
361 | * Huawei devices map functions by subclass + protocol |
362 | * instead of interface numbers. The protocol identify | |
363 | * a specific function, while the subclass indicate a | |
364 | * specific firmware source | |
365 | * | |
366 | * This is a blacklist of functions known to be | |
367 | * non-serial. The rest are assumed to be serial and | |
368 | * will be handled by this driver | |
e7181d00 | 369 | */ |
59536da3 BM |
370 | switch (intf->desc.bInterfaceProtocol) { |
371 | /* QMI combined (qmi_wwan) */ | |
372 | case 0x07: | |
373 | case 0x37: | |
374 | case 0x67: | |
375 | /* QMI data (qmi_wwan) */ | |
376 | case 0x08: | |
377 | case 0x38: | |
378 | case 0x68: | |
379 | /* QMI control (qmi_wwan) */ | |
380 | case 0x09: | |
381 | case 0x39: | |
382 | case 0x69: | |
383 | /* NCM like (huawei_cdc_ncm) */ | |
384 | case 0x16: | |
385 | case 0x46: | |
386 | case 0x76: | |
e7181d00 MH |
387 | altsetting = -1; |
388 | break; | |
59536da3 BM |
389 | default: |
390 | dev_dbg(dev, "Huawei type serial port found (%02x/%02x/%02x)\n", | |
391 | intf->desc.bInterfaceClass, | |
392 | intf->desc.bInterfaceSubClass, | |
393 | intf->desc.bInterfaceProtocol); | |
e7181d00 MH |
394 | } |
395 | break; | |
d712ca91 BM |
396 | default: |
397 | dev_err(dev, "unsupported device layout type: %lu\n", | |
398 | id->driver_info); | |
399 | break; | |
a78b4282 GKH |
400 | } |
401 | ||
0dfbf65e | 402 | done: |
2cf69930 BM |
403 | if (altsetting >= 0) { |
404 | retval = usb_set_interface(serial->dev, ifnum, altsetting); | |
405 | if (retval < 0) { | |
406 | dev_err(dev, | |
407 | "Could not set interface, error %d\n", | |
408 | retval); | |
409 | retval = -ENODEV; | |
2cf69930 BM |
410 | } |
411 | } | |
412 | ||
efd3e915 DW |
413 | if (!retval) |
414 | usb_set_serial_data(serial, (void *)(unsigned long)sendsetup); | |
415 | ||
a78b4282 GKH |
416 | return retval; |
417 | } | |
418 | ||
961be09e JH |
419 | static int qc_attach(struct usb_serial *serial) |
420 | { | |
421 | struct usb_wwan_intf_private *data; | |
efd3e915 | 422 | bool sendsetup; |
961be09e JH |
423 | |
424 | data = kzalloc(sizeof(*data), GFP_KERNEL); | |
425 | if (!data) | |
426 | return -ENOMEM; | |
427 | ||
efd3e915 DW |
428 | sendsetup = !!(unsigned long)(usb_get_serial_data(serial)); |
429 | if (sendsetup) | |
430 | data->use_send_setup = 1; | |
431 | ||
961be09e JH |
432 | spin_lock_init(&data->susp_lock); |
433 | ||
434 | usb_set_serial_data(serial, data); | |
435 | ||
436 | return 0; | |
437 | } | |
438 | ||
10c9ab15 SH |
439 | static void qc_release(struct usb_serial *serial) |
440 | { | |
441 | struct usb_wwan_intf_private *priv = usb_get_serial_data(serial); | |
442 | ||
10c9ab15 SH |
443 | usb_set_serial_data(serial, NULL); |
444 | kfree(priv); | |
445 | } | |
446 | ||
a78b4282 GKH |
447 | static struct usb_serial_driver qcdevice = { |
448 | .driver = { | |
449 | .owner = THIS_MODULE, | |
450 | .name = "qcserial", | |
451 | }, | |
452 | .description = "Qualcomm USB modem", | |
453 | .id_table = id_table, | |
a78b4282 GKH |
454 | .num_ports = 1, |
455 | .probe = qcprobe, | |
3d7e59ad MG |
456 | .open = usb_wwan_open, |
457 | .close = usb_wwan_close, | |
efd3e915 | 458 | .dtr_rts = usb_wwan_dtr_rts, |
3d7e59ad MG |
459 | .write = usb_wwan_write, |
460 | .write_room = usb_wwan_write_room, | |
461 | .chars_in_buffer = usb_wwan_chars_in_buffer, | |
08f741a9 ML |
462 | .tiocmget = usb_wwan_tiocmget, |
463 | .tiocmset = usb_wwan_tiocmset, | |
961be09e | 464 | .attach = qc_attach, |
10c9ab15 | 465 | .release = qc_release, |
b8f0e820 | 466 | .port_probe = usb_wwan_port_probe, |
a1028f0a | 467 | .port_remove = usb_wwan_port_remove, |
3d7e59ad MG |
468 | #ifdef CONFIG_PM |
469 | .suspend = usb_wwan_suspend, | |
470 | .resume = usb_wwan_resume, | |
471 | #endif | |
a78b4282 GKH |
472 | }; |
473 | ||
d860322f AS |
474 | static struct usb_serial_driver * const serial_drivers[] = { |
475 | &qcdevice, NULL | |
476 | }; | |
477 | ||
68e24113 | 478 | module_usb_serial_driver(serial_drivers, id_table); |
a78b4282 GKH |
479 | |
480 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
481 | MODULE_DESCRIPTION(DRIVER_DESC); | |
482 | MODULE_LICENSE("GPL v2"); |