Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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! |
Greg Kroah-Hartman | 84cca82 | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 17 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Robert P. J. Day | 7fe89e9 | 2007-01-25 19:34:52 -0500 | [diff] [blame] | 34 | #ifdef CONFIG_USB_NET_CDCETHER |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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) */ |
Greg Kroah-Hartman | 84cca82 | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 58 | if ((le16_to_cpu(dev->descriptor.idVendor) == 0x1a0a && |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 59 | le16_to_cpu(dev->descriptor.idProduct) == 0xbadd)) |
| 60 | return 0; |
| 61 | |
| 62 | /* NOTE: can't use usb_match_id() since interface caches |
| 63 | * aren't set up yet. this is cut/paste from that code. |
| 64 | */ |
| 65 | for (id = whitelist_table; id->match_flags; id++) { |
| 66 | if ((id->match_flags & USB_DEVICE_ID_MATCH_VENDOR) && |
| 67 | id->idVendor != le16_to_cpu(dev->descriptor.idVendor)) |
| 68 | continue; |
| 69 | |
| 70 | if ((id->match_flags & USB_DEVICE_ID_MATCH_PRODUCT) && |
| 71 | id->idProduct != le16_to_cpu(dev->descriptor.idProduct)) |
| 72 | continue; |
| 73 | |
| 74 | /* No need to test id->bcdDevice_lo != 0, since 0 is never |
| 75 | greater than any unsigned number. */ |
| 76 | if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_LO) && |
| 77 | (id->bcdDevice_lo > le16_to_cpu(dev->descriptor.bcdDevice))) |
| 78 | continue; |
| 79 | |
| 80 | if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_HI) && |
| 81 | (id->bcdDevice_hi < le16_to_cpu(dev->descriptor.bcdDevice))) |
| 82 | continue; |
| 83 | |
| 84 | if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_CLASS) && |
| 85 | (id->bDeviceClass != dev->descriptor.bDeviceClass)) |
| 86 | continue; |
| 87 | |
| 88 | if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_SUBCLASS) && |
Greg Kroah-Hartman | 84cca82 | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 89 | (id->bDeviceSubClass != dev->descriptor.bDeviceSubClass)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 90 | continue; |
| 91 | |
| 92 | if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_PROTOCOL) && |
| 93 | (id->bDeviceProtocol != dev->descriptor.bDeviceProtocol)) |
| 94 | continue; |
| 95 | |
| 96 | return 1; |
| 97 | } |
| 98 | |
| 99 | /* add other match criteria here ... */ |
| 100 | |
| 101 | |
| 102 | /* OTG MESSAGE: report errors here, customize to match your product */ |
| 103 | dev_err(&dev->dev, "device v%04x p%04x is not supported\n", |
| 104 | le16_to_cpu(dev->descriptor.idVendor), |
| 105 | le16_to_cpu(dev->descriptor.idProduct)); |
| 106 | #ifdef CONFIG_USB_OTG_WHITELIST |
| 107 | return 0; |
| 108 | #else |
| 109 | return 1; |
| 110 | #endif |
| 111 | } |
| 112 | |