USB: Add OTG PET device to TPL
[pandora-kernel.git] / drivers / usb / core / otg_whitelist.h
1 /*
2  * drivers/usb/core/otg_whitelist.h
3  *
4  * Copyright (C) 2004 Texas Instruments
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  */
11
12 /*
13  * This OTG Whitelist is the OTG "Targeted Peripheral List".  It should
14  * mostly use of USB_DEVICE() or USB_DEVICE_VER() entries..
15  *
16  * YOU _SHOULD_ CHANGE THIS LIST TO MATCH YOUR PRODUCT AND ITS TESTING!
17  */
18
19 static struct usb_device_id whitelist_table [] = {
20
21 /* hubs are optional in OTG, but very handy ... */
22 { USB_DEVICE_INFO(USB_CLASS_HUB, 0, 0), },
23 { USB_DEVICE_INFO(USB_CLASS_HUB, 0, 1), },
24
25 #ifdef  CONFIG_USB_PRINTER              /* ignoring nonstatic linkage! */
26 /* FIXME actually, printers are NOT supposed to use device classes;
27  * they're supposed to use interface classes...
28  */
29 { USB_DEVICE_INFO(7, 1, 1) },
30 { USB_DEVICE_INFO(7, 1, 2) },
31 { USB_DEVICE_INFO(7, 1, 3) },
32 #endif
33
34 #ifdef  CONFIG_USB_NET_CDCETHER
35 /* Linux-USB CDC Ethernet gadget */
36 { USB_DEVICE(0x0525, 0xa4a1), },
37 /* Linux-USB CDC Ethernet + RNDIS gadget */
38 { USB_DEVICE(0x0525, 0xa4a2), },
39 #endif
40
41 #if     defined(CONFIG_USB_TEST) || defined(CONFIG_USB_TEST_MODULE)
42 /* gadget zero, for testing */
43 { USB_DEVICE(0x0525, 0xa4a0), },
44 #endif
45
46 { }     /* Terminating entry */
47 };
48
49 static int is_targeted(struct usb_device *dev)
50 {
51         struct usb_device_id    *id = whitelist_table;
52
53         /* possible in developer configs only! */
54         if (!dev->bus->otg_port)
55                 return 1;
56
57         /* HNP test device is _never_ targeted (see OTG spec 6.6.6) */
58         if ((le16_to_cpu(dev->descriptor.idVendor) == 0x1a0a &&
59              le16_to_cpu(dev->descriptor.idProduct) == 0xbadd))
60                 return 0;
61
62         /* OTG PET device is always targeted (see OTG 2.0 ECN 6.4.2) */
63         if ((le16_to_cpu(dev->descriptor.idVendor) == 0x1a0a &&
64              le16_to_cpu(dev->descriptor.idProduct) == 0x0200))
65                 return 1;
66
67         /* NOTE: can't use usb_match_id() since interface caches
68          * aren't set up yet. this is cut/paste from that code.
69          */
70         for (id = whitelist_table; id->match_flags; id++) {
71                 if ((id->match_flags & USB_DEVICE_ID_MATCH_VENDOR) &&
72                     id->idVendor != le16_to_cpu(dev->descriptor.idVendor))
73                         continue;
74
75                 if ((id->match_flags & USB_DEVICE_ID_MATCH_PRODUCT) &&
76                     id->idProduct != le16_to_cpu(dev->descriptor.idProduct))
77                         continue;
78
79                 /* No need to test id->bcdDevice_lo != 0, since 0 is never
80                    greater than any unsigned number. */
81                 if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_LO) &&
82                     (id->bcdDevice_lo > le16_to_cpu(dev->descriptor.bcdDevice)))
83                         continue;
84
85                 if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_HI) &&
86                     (id->bcdDevice_hi < le16_to_cpu(dev->descriptor.bcdDevice)))
87                         continue;
88
89                 if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_CLASS) &&
90                     (id->bDeviceClass != dev->descriptor.bDeviceClass))
91                         continue;
92
93                 if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_SUBCLASS) &&
94                     (id->bDeviceSubClass != dev->descriptor.bDeviceSubClass))
95                         continue;
96
97                 if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_PROTOCOL) &&
98                     (id->bDeviceProtocol != dev->descriptor.bDeviceProtocol))
99                         continue;
100
101                 return 1;
102         }
103
104         /* add other match criteria here ... */
105
106
107         /* OTG MESSAGE: report errors here, customize to match your product */
108         dev_err(&dev->dev, "device v%04x p%04x is not supported\n",
109                 le16_to_cpu(dev->descriptor.idVendor),
110                 le16_to_cpu(dev->descriptor.idProduct));
111 #ifdef  CONFIG_USB_OTG_WHITELIST
112         return 0;
113 #else
114         return 1;
115 #endif
116 }
117