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 and Embedded Host Whitelist is "Targeted Peripheral List". 14 * It should 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 19static 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 49static int is_targeted(struct usb_device *dev) 50{ 51 struct usb_device_id *id = whitelist_table; 52 53 /* HNP test device is _never_ targeted (see OTG spec 6.6.6) */ 54 if ((le16_to_cpu(dev->descriptor.idVendor) == 0x1a0a && 55 le16_to_cpu(dev->descriptor.idProduct) == 0xbadd)) 56 return 0; 57 58 /* NOTE: can't use usb_match_id() since interface caches 59 * aren't set up yet. this is cut/paste from that code. 60 */ 61 for (id = whitelist_table; id->match_flags; id++) { 62 if ((id->match_flags & USB_DEVICE_ID_MATCH_VENDOR) && 63 id->idVendor != le16_to_cpu(dev->descriptor.idVendor)) 64 continue; 65 66 if ((id->match_flags & USB_DEVICE_ID_MATCH_PRODUCT) && 67 id->idProduct != le16_to_cpu(dev->descriptor.idProduct)) 68 continue; 69 70 /* No need to test id->bcdDevice_lo != 0, since 0 is never 71 greater than any unsigned number. */ 72 if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_LO) && 73 (id->bcdDevice_lo > le16_to_cpu(dev->descriptor.bcdDevice))) 74 continue; 75 76 if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_HI) && 77 (id->bcdDevice_hi < le16_to_cpu(dev->descriptor.bcdDevice))) 78 continue; 79 80 if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_CLASS) && 81 (id->bDeviceClass != dev->descriptor.bDeviceClass)) 82 continue; 83 84 if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_SUBCLASS) && 85 (id->bDeviceSubClass != dev->descriptor.bDeviceSubClass)) 86 continue; 87 88 if ((id->match_flags & USB_DEVICE_ID_MATCH_DEV_PROTOCOL) && 89 (id->bDeviceProtocol != dev->descriptor.bDeviceProtocol)) 90 continue; 91 92 return 1; 93 } 94 95 /* add other match criteria here ... */ 96 97 98 /* OTG MESSAGE: report errors here, customize to match your product */ 99 dev_err(&dev->dev, "device v%04x p%04x is not supported\n", 100 le16_to_cpu(dev->descriptor.idVendor), 101 le16_to_cpu(dev->descriptor.idProduct)); 102 103 return 0; 104} 105 106