Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
[linux-2.6.git] / drivers / usb / serial / qcaux.c
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 #define PANTECH_PRODUCT_UML290_VZW              0x3718
40
41 /* CMOTECH devices */
42 #define CMOTECH_VENDOR_ID                       0x16d8
43 #define CMOTECH_PRODUCT_CDU550                  0x5553
44 #define CMOTECH_PRODUCT_CDX650                  0x6512
45
46 /* LG devices */
47 #define LG_VENDOR_ID                            0x1004
48 #define LG_PRODUCT_VX4400_6000                  0x6000 /* VX4400/VX6000/Rumor */
49
50 /* Sanyo devices */
51 #define SANYO_VENDOR_ID                         0x0474
52 #define SANYO_PRODUCT_KATANA_LX                 0x0754 /* SCP-3800 (Katana LX) */
53
54 /* Samsung devices */
55 #define SAMSUNG_VENDOR_ID                       0x04e8
56 #define SAMSUNG_PRODUCT_U520                    0x6640 /* SCH-U520 */
57
58 static struct usb_device_id id_table[] = {
59         { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_PC5740, 0xff, 0x00, 0x00) },
60         { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_PC5750, 0xff, 0x00, 0x00) },
61         { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM150, 0xff, 0x00, 0x00) },
62         { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM175_V1, 0xff, 0x00, 0x00) },
63         { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM175_V2, 0xff, 0x00, 0x00) },
64         { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM175_ALLTEL, 0xff, 0x00, 0x00) },
65         { USB_DEVICE_AND_INTERFACE_INFO(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CDU550, 0xff, 0xff, 0x00) },
66         { USB_DEVICE_AND_INTERFACE_INFO(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CDX650, 0xff, 0xff, 0x00) },
67         { USB_DEVICE_AND_INTERFACE_INFO(LG_VENDOR_ID, LG_PRODUCT_VX4400_6000, 0xff, 0xff, 0x00) },
68         { USB_DEVICE_AND_INTERFACE_INFO(SANYO_VENDOR_ID, SANYO_PRODUCT_KATANA_LX, 0xff, 0xff, 0x00) },
69         { USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_U520, 0xff, 0x00, 0x00) },
70         { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, PANTECH_PRODUCT_UML290_VZW, 0xff, 0xff, 0xff) },
71         { },
72 };
73 MODULE_DEVICE_TABLE(usb, id_table);
74
75 static struct usb_driver qcaux_driver = {
76         .name =         "qcaux",
77         .probe =        usb_serial_probe,
78         .disconnect =   usb_serial_disconnect,
79         .id_table =     id_table,
80         .no_dynamic_id =        1,
81 };
82
83 static struct usb_serial_driver qcaux_device = {
84         .driver = {
85                 .owner =        THIS_MODULE,
86                 .name =         "qcaux",
87         },
88         .id_table =             id_table,
89         .usb_driver =           &qcaux_driver,
90         .num_ports =            1,
91 };
92
93 static int __init qcaux_init(void)
94 {
95         int retval;
96
97         retval = usb_serial_register(&qcaux_device);
98         if (retval)
99                 return retval;
100         retval = usb_register(&qcaux_driver);
101         if (retval)
102                 usb_serial_deregister(&qcaux_device);
103         return retval;
104 }
105
106 static void __exit qcaux_exit(void)
107 {
108         usb_deregister(&qcaux_driver);
109         usb_serial_deregister(&qcaux_device);
110 }
111
112 module_init(qcaux_init);
113 module_exit(qcaux_exit);
114 MODULE_LICENSE("GPL");