1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * USB virtual root hub descriptors 4 * 5 * (C) Copyright 2014 6 * Stephen Warren swarren (at) wwwdotorg.org 7 * 8 * Based on ohci-hcd.c 9 */ 10 11 #ifndef __USBROOTHUBDES_H__ 12 #define __USBROOTHUBDES_H__ 13 14 /* Device descriptor */ 15 static __u8 root_hub_dev_des[] = { 16 0x12, /* __u8 bLength; */ 17 0x01, /* __u8 bDescriptorType; Device */ 18 0x10, /* __u16 bcdUSB; v1.1 */ 19 0x01, 20 0x09, /* __u8 bDeviceClass; HUB_CLASSCODE */ 21 0x00, /* __u8 bDeviceSubClass; */ 22 0x00, /* __u8 bDeviceProtocol; */ 23 0x08, /* __u8 bMaxPacketSize0; 8 Bytes */ 24 0x00, /* __u16 idVendor; */ 25 0x00, 26 0x00, /* __u16 idProduct; */ 27 0x00, 28 0x00, /* __u16 bcdDevice; */ 29 0x00, 30 0x00, /* __u8 iManufacturer; */ 31 0x01, /* __u8 iProduct; */ 32 0x00, /* __u8 iSerialNumber; */ 33 0x01, /* __u8 bNumConfigurations; */ 34 }; 35 36 /* Configuration descriptor */ 37 static __u8 root_hub_config_des[] = { 38 0x09, /* __u8 bLength; */ 39 0x02, /* __u8 bDescriptorType; Configuration */ 40 0x19, /* __u16 wTotalLength; */ 41 0x00, 42 0x01, /* __u8 bNumInterfaces; */ 43 0x01, /* __u8 bConfigurationValue; */ 44 0x00, /* __u8 iConfiguration; */ 45 0x40, /* __u8 bmAttributes; 46 * Bit 7: Bus-powered 47 * 6: Self-powered, 48 * 5 Remote-wakwup, 49 * 4..0: resvd 50 */ 51 0x00, /* __u8 MaxPower; */ 52 /* interface */ 53 0x09, /* __u8 if_bLength; */ 54 0x04, /* __u8 if_bDescriptorType; Interface */ 55 0x00, /* __u8 if_bInterfaceNumber; */ 56 0x00, /* __u8 if_bAlternateSetting; */ 57 0x01, /* __u8 if_bNumEndpoints; */ 58 0x09, /* __u8 if_bInterfaceClass; HUB_CLASSCODE */ 59 0x00, /* __u8 if_bInterfaceSubClass; */ 60 0x00, /* __u8 if_bInterfaceProtocol; */ 61 0x00, /* __u8 if_iInterface; */ 62 /* endpoint */ 63 0x07, /* __u8 ep_bLength; */ 64 0x05, /* __u8 ep_bDescriptorType; Endpoint */ 65 0x81, /* __u8 ep_bEndpointAddress; IN Endpoint 1 */ 66 0x03, /* __u8 ep_bmAttributes; Interrupt */ 67 0x02, /* __u16 ep_wMaxPacketSize; ((MAX_ROOT_PORTS + 1) / 8 */ 68 0x00, 69 0xff, /* __u8 ep_bInterval; 255 ms */ 70 }; 71 72 #ifdef WANT_USB_ROOT_HUB_HUB_DES 73 static unsigned char root_hub_hub_des[] = { 74 0x09, /* __u8 bLength; */ 75 0x29, /* __u8 bDescriptorType; Hub-descriptor */ 76 0x02, /* __u8 bNbrPorts; */ 77 0x00, /* __u16 wHubCharacteristics; */ 78 0x00, 79 0x01, /* __u8 bPwrOn2pwrGood; 2ms */ 80 0x00, /* __u8 bHubContrCurrent; 0 mA */ 81 0x00, /* __u8 DeviceRemovable; *** 7 Ports max *** */ 82 0xff, /* __u8 PortPwrCtrlMask; *** 7 ports max *** */ 83 }; 84 #endif 85 86 static unsigned char root_hub_str_index0[] = { 87 0x04, /* __u8 bLength; */ 88 0x03, /* __u8 bDescriptorType; String-descriptor */ 89 0x09, /* __u8 lang ID */ 90 0x04, /* __u8 lang ID */ 91 }; 92 93 static unsigned char root_hub_str_index1[] = { 94 32, /* __u8 bLength; */ 95 0x03, /* __u8 bDescriptorType; String-descriptor */ 96 'U', /* __u8 Unicode */ 97 0, /* __u8 Unicode */ 98 '-', /* __u8 Unicode */ 99 0, /* __u8 Unicode */ 100 'B', /* __u8 Unicode */ 101 0, /* __u8 Unicode */ 102 'o', /* __u8 Unicode */ 103 0, /* __u8 Unicode */ 104 'o', /* __u8 Unicode */ 105 0, /* __u8 Unicode */ 106 't', /* __u8 Unicode */ 107 0, /* __u8 Unicode */ 108 ' ', /* __u8 Unicode */ 109 0, /* __u8 Unicode */ 110 'R', /* __u8 Unicode */ 111 0, /* __u8 Unicode */ 112 'o', /* __u8 Unicode */ 113 0, /* __u8 Unicode */ 114 'o', /* __u8 Unicode */ 115 0, /* __u8 Unicode */ 116 't', /* __u8 Unicode */ 117 0, /* __u8 Unicode */ 118 ' ', /* __u8 Unicode */ 119 0, /* __u8 Unicode */ 120 'H', /* __u8 Unicode */ 121 0, /* __u8 Unicode */ 122 'u', /* __u8 Unicode */ 123 0, /* __u8 Unicode */ 124 'b', /* __u8 Unicode */ 125 0, /* __u8 Unicode */ 126 }; 127 128 #endif 129
