1 /* 2 * USB virtual root hub descriptors 3 * 4 * (C) Copyright 2014 5 * Stephen Warren swarren@wwwdotorg.org 6 * 7 * Based on ohci-hcd.c 8 * 9 * SPDX-License-Identifier: GPL-2.0+ 10 */ 11 12 #ifndef __USBROOTHUBDES_H__ 13 #define __USBROOTHUBDES_H__ 14 15 /* Device descriptor */ 16 static __u8 root_hub_dev_des[] = { 17 0x12, /* __u8 bLength; */ 18 0x01, /* __u8 bDescriptorType; Device */ 19 0x10, /* __u16 bcdUSB; v1.1 */ 20 0x01, 21 0x09, /* __u8 bDeviceClass; HUB_CLASSCODE */ 22 0x00, /* __u8 bDeviceSubClass; */ 23 0x00, /* __u8 bDeviceProtocol; */ 24 0x08, /* __u8 bMaxPacketSize0; 8 Bytes */ 25 0x00, /* __u16 idVendor; */ 26 0x00, 27 0x00, /* __u16 idProduct; */ 28 0x00, 29 0x00, /* __u16 bcdDevice; */ 30 0x00, 31 0x00, /* __u8 iManufacturer; */ 32 0x01, /* __u8 iProduct; */ 33 0x00, /* __u8 iSerialNumber; */ 34 0x01, /* __u8 bNumConfigurations; */ 35 }; 36 37 /* Configuration descriptor */ 38 static __u8 root_hub_config_des[] = { 39 0x09, /* __u8 bLength; */ 40 0x02, /* __u8 bDescriptorType; Configuration */ 41 0x19, /* __u16 wTotalLength; */ 42 0x00, 43 0x01, /* __u8 bNumInterfaces; */ 44 0x01, /* __u8 bConfigurationValue; */ 45 0x00, /* __u8 iConfiguration; */ 46 0x40, /* __u8 bmAttributes; 47 * Bit 7: Bus-powered 48 * 6: Self-powered, 49 * 5 Remote-wakwup, 50 * 4..0: resvd 51 */ 52 0x00, /* __u8 MaxPower; */ 53 /* interface */ 54 0x09, /* __u8 if_bLength; */ 55 0x04, /* __u8 if_bDescriptorType; Interface */ 56 0x00, /* __u8 if_bInterfaceNumber; */ 57 0x00, /* __u8 if_bAlternateSetting; */ 58 0x01, /* __u8 if_bNumEndpoints; */ 59 0x09, /* __u8 if_bInterfaceClass; HUB_CLASSCODE */ 60 0x00, /* __u8 if_bInterfaceSubClass; */ 61 0x00, /* __u8 if_bInterfaceProtocol; */ 62 0x00, /* __u8 if_iInterface; */ 63 /* endpoint */ 64 0x07, /* __u8 ep_bLength; */ 65 0x05, /* __u8 ep_bDescriptorType; Endpoint */ 66 0x81, /* __u8 ep_bEndpointAddress; IN Endpoint 1 */ 67 0x03, /* __u8 ep_bmAttributes; Interrupt */ 68 0x02, /* __u16 ep_wMaxPacketSize; ((MAX_ROOT_PORTS + 1) / 8 */ 69 0x00, 70 0xff, /* __u8 ep_bInterval; 255 ms */ 71 }; 72 73 #ifdef WANT_USB_ROOT_HUB_HUB_DES 74 static unsigned char root_hub_hub_des[] = { 75 0x09, /* __u8 bLength; */ 76 0x29, /* __u8 bDescriptorType; Hub-descriptor */ 77 0x02, /* __u8 bNbrPorts; */ 78 0x00, /* __u16 wHubCharacteristics; */ 79 0x00, 80 0x01, /* __u8 bPwrOn2pwrGood; 2ms */ 81 0x00, /* __u8 bHubContrCurrent; 0 mA */ 82 0x00, /* __u8 DeviceRemovable; *** 7 Ports max *** */ 83 0xff, /* __u8 PortPwrCtrlMask; *** 7 ports max *** */ 84 }; 85 #endif 86 87 static unsigned char root_hub_str_index0[] = { 88 0x04, /* __u8 bLength; */ 89 0x03, /* __u8 bDescriptorType; String-descriptor */ 90 0x09, /* __u8 lang ID */ 91 0x04, /* __u8 lang ID */ 92 }; 93 94 static unsigned char root_hub_str_index1[] = { 95 32, /* __u8 bLength; */ 96 0x03, /* __u8 bDescriptorType; String-descriptor */ 97 'U', /* __u8 Unicode */ 98 0, /* __u8 Unicode */ 99 '-', /* __u8 Unicode */ 100 0, /* __u8 Unicode */ 101 'B', /* __u8 Unicode */ 102 0, /* __u8 Unicode */ 103 'o', /* __u8 Unicode */ 104 0, /* __u8 Unicode */ 105 'o', /* __u8 Unicode */ 106 0, /* __u8 Unicode */ 107 't', /* __u8 Unicode */ 108 0, /* __u8 Unicode */ 109 ' ', /* __u8 Unicode */ 110 0, /* __u8 Unicode */ 111 'R', /* __u8 Unicode */ 112 0, /* __u8 Unicode */ 113 'o', /* __u8 Unicode */ 114 0, /* __u8 Unicode */ 115 'o', /* __u8 Unicode */ 116 0, /* __u8 Unicode */ 117 't', /* __u8 Unicode */ 118 0, /* __u8 Unicode */ 119 ' ', /* __u8 Unicode */ 120 0, /* __u8 Unicode */ 121 'H', /* __u8 Unicode */ 122 0, /* __u8 Unicode */ 123 'u', /* __u8 Unicode */ 124 0, /* __u8 Unicode */ 125 'b', /* __u8 Unicode */ 126 0, /* __u8 Unicode */ 127 }; 128 129 #endif 130