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