include/usbroothubdes.h

   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