diff options
Diffstat (limited to 'drivers/usb/serial/qcaux.c')
-rw-r--r-- | drivers/usb/serial/qcaux.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/drivers/usb/serial/qcaux.c b/drivers/usb/serial/qcaux.c new file mode 100644 index 000000000000..0b9362061713 --- /dev/null +++ b/drivers/usb/serial/qcaux.c | |||
@@ -0,0 +1,96 @@ | |||
1 | /* | ||
2 | * Qualcomm USB Auxiliary Serial Port driver | ||
3 | * | ||
4 | * Copyright (C) 2008 Greg Kroah-Hartman <greg@kroah.com> | ||
5 | * Copyright (C) 2010 Dan Williams <dcbw@redhat.com> | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License version 2 as | ||
9 | * published by the Free Software Foundation. | ||
10 | * | ||
11 | * Devices listed here usually provide a CDC ACM port on which normal modem | ||
12 | * AT commands and PPP can be used. But when that port is in-use by PPP it | ||
13 | * cannot be used simultaneously for status or signal strength. Instead, the | ||
14 | * ports here can be queried for that information using the Qualcomm DM | ||
15 | * protocol. | ||
16 | */ | ||
17 | |||
18 | #include <linux/kernel.h> | ||
19 | #include <linux/init.h> | ||
20 | #include <linux/tty.h> | ||
21 | #include <linux/module.h> | ||
22 | #include <linux/usb.h> | ||
23 | #include <linux/usb/serial.h> | ||
24 | |||
25 | /* NOTE: for now, only use this driver for devices that provide a CDC-ACM port | ||
26 | * for normal AT commands, but also provide secondary USB interfaces for the | ||
27 | * QCDM-capable ports. Devices that do not provide a CDC-ACM port should | ||
28 | * probably be driven by option.ko. | ||
29 | */ | ||
30 | |||
31 | /* UTStarcom/Pantech/Curitel devices */ | ||
32 | #define UTSTARCOM_VENDOR_ID 0x106c | ||
33 | #define UTSTARCOM_PRODUCT_PC5740 0x3701 | ||
34 | #define UTSTARCOM_PRODUCT_PC5750 0x3702 /* aka Pantech PX-500 */ | ||
35 | #define UTSTARCOM_PRODUCT_UM150 0x3711 | ||
36 | #define UTSTARCOM_PRODUCT_UM175_V1 0x3712 | ||
37 | #define UTSTARCOM_PRODUCT_UM175_V2 0x3714 | ||
38 | #define UTSTARCOM_PRODUCT_UM175_ALLTEL 0x3715 | ||
39 | |||
40 | /* CMOTECH devices */ | ||
41 | #define CMOTECH_VENDOR_ID 0x16d8 | ||
42 | #define CMOTECH_PRODUCT_CDU550 0x5553 | ||
43 | #define CMOTECH_PRODUCT_CDX650 0x6512 | ||
44 | |||
45 | static struct usb_device_id id_table[] = { | ||
46 | { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_PC5740, 0xff, 0x00, 0x00) }, | ||
47 | { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_PC5750, 0xff, 0x00, 0x00) }, | ||
48 | { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM150, 0xff, 0x00, 0x00) }, | ||
49 | { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM175_V1, 0xff, 0x00, 0x00) }, | ||
50 | { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM175_V2, 0xff, 0x00, 0x00) }, | ||
51 | { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM175_ALLTEL, 0xff, 0x00, 0x00) }, | ||
52 | { USB_DEVICE_AND_INTERFACE_INFO(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CDU550, 0xff, 0xff, 0x00) }, | ||
53 | { USB_DEVICE_AND_INTERFACE_INFO(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CDX650, 0xff, 0xff, 0x00) }, | ||
54 | { }, | ||
55 | }; | ||
56 | MODULE_DEVICE_TABLE(usb, id_table); | ||
57 | |||
58 | static struct usb_driver qcaux_driver = { | ||
59 | .name = "qcaux", | ||
60 | .probe = usb_serial_probe, | ||
61 | .disconnect = usb_serial_disconnect, | ||
62 | .id_table = id_table, | ||
63 | .no_dynamic_id = 1, | ||
64 | }; | ||
65 | |||
66 | static struct usb_serial_driver qcaux_device = { | ||
67 | .driver = { | ||
68 | .owner = THIS_MODULE, | ||
69 | .name = "qcaux", | ||
70 | }, | ||
71 | .id_table = id_table, | ||
72 | .num_ports = 1, | ||
73 | }; | ||
74 | |||
75 | static int __init qcaux_init(void) | ||
76 | { | ||
77 | int retval; | ||
78 | |||
79 | retval = usb_serial_register(&qcaux_device); | ||
80 | if (retval) | ||
81 | return retval; | ||
82 | retval = usb_register(&qcaux_driver); | ||
83 | if (retval) | ||
84 | usb_serial_deregister(&qcaux_device); | ||
85 | return retval; | ||
86 | } | ||
87 | |||
88 | static void __exit qcaux_exit(void) | ||
89 | { | ||
90 | usb_deregister(&qcaux_driver); | ||
91 | usb_serial_deregister(&qcaux_device); | ||
92 | } | ||
93 | |||
94 | module_init(qcaux_init); | ||
95 | module_exit(qcaux_exit); | ||
96 | MODULE_LICENSE("GPL"); | ||