FreeBSD/Linux Kernel Cross Reference
sys/dev/usb/usb.h

     /* $FreeBSD: releng/11.2/sys/dev/usb/usb.h 331722 2018-03-29 02:50:57Z eadler $ */
     /*-
      * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
      * Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved.
      * Copyright (c) 1998 Lennart Augustsson. All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     */
    
    /*
     * This file contains standard definitions for the following USB
     * protocol versions:
     *
     * USB v1.0
     * USB v1.1
     * USB v2.0
     * USB v3.0
     */
    
    #ifndef _USB_STANDARD_H_
    #define _USB_STANDARD_H_
    
    #if defined(_KERNEL)
    #ifndef USB_GLOBAL_INCLUDE_FILE
    #include "opt_usb.h"
    #endif
    
    /* Declare parent SYSCTL USB node. */
    #ifdef SYSCTL_DECL
    SYSCTL_DECL(_hw_usb);
    #endif
    
    #ifndef USB_GLOBAL_INCLUDE_FILE
    #include <sys/malloc.h>
    #endif
    
    MALLOC_DECLARE(M_USB);
    MALLOC_DECLARE(M_USBDEV);
    #endif /* _KERNEL */
    
    #ifndef USB_GLOBAL_INCLUDE_FILE
    #include <dev/usb/usb_endian.h>
    #include <dev/usb/usb_freebsd.h>
    #endif
    
    #define USB_STACK_VERSION 2000          /* 2.0 */
    
    /* Definition of some hardcoded USB constants. */
    
    #define USB_MAX_IPACKET         8       /* initial USB packet size */
    #define USB_EP_MAX (2*16)               /* hardcoded */
    #define USB_ROOT_HUB_ADDR 1             /* index */
    #define USB_MIN_DEVICES 2               /* unused + root HUB */
    #define USB_UNCONFIG_INDEX 0xFF         /* internal use only */
    #define USB_IFACE_INDEX_ANY 0xFF        /* internal use only */
    #define USB_START_ADDR 0                /* default USB device BUS address
                                             * after USB bus reset */
    #define USB_CONTROL_ENDPOINT 0          /* default control endpoint */
    
    #define USB_FRAMES_PER_SECOND_FS 1000   /* full speed */
    #define USB_FRAMES_PER_SECOND_HS 8000   /* high speed */
    
    #define USB_FS_BYTES_PER_HS_UFRAME 188  /* bytes */
    #define USB_HS_MICRO_FRAMES_MAX 8       /* units */
    
    #define USB_ISOC_TIME_MAX 128           /* ms */
    
    /*
     * Minimum time a device needs to be powered down to go through a
     * power cycle. These values are not in the USB specification.
     */
    #define USB_POWER_DOWN_TIME     200     /* ms */
    #define USB_PORT_POWER_DOWN_TIME        100     /* ms */
    
    /* Definition of software USB power modes */
    #define USB_POWER_MODE_OFF 0            /* turn off device */
    #define USB_POWER_MODE_ON 1             /* always on */
    #define USB_POWER_MODE_SAVE 2           /* automatic suspend and resume */
    #define USB_POWER_MODE_SUSPEND 3        /* force suspend */
    #define USB_POWER_MODE_RESUME 4         /* force resume */
   
   /* These are the values from the USB specification. */
   #define USB_PORT_RESET_DELAY_SPEC       10      /* ms */
   #define USB_PORT_ROOT_RESET_DELAY_SPEC  50      /* ms */
   #define USB_PORT_RESET_RECOVERY_SPEC    10      /* ms */
   #define USB_PORT_POWERUP_DELAY_SPEC     100     /* ms */
   #define USB_PORT_RESUME_DELAY_SPEC      20      /* ms */
   #define USB_SET_ADDRESS_SETTLE_SPEC     2       /* ms */
   #define USB_RESUME_DELAY_SPEC           (20*5)  /* ms */
   #define USB_RESUME_WAIT_SPEC            10      /* ms */
   #define USB_RESUME_RECOVERY_SPEC        10      /* ms */
   #define USB_EXTRA_POWER_UP_TIME_SPEC    0       /* ms */
   
   /* Allow for marginal and non-conforming devices. */
   #define USB_PORT_RESET_DELAY            50      /* ms */
   #define USB_PORT_ROOT_RESET_DELAY       200     /* ms */
   #define USB_PORT_RESET_RECOVERY         250     /* ms */
   #define USB_PORT_POWERUP_DELAY          300     /* ms */
   #define USB_PORT_RESUME_DELAY           (20*2)  /* ms */
   #define USB_SET_ADDRESS_SETTLE          10      /* ms */
   #define USB_RESUME_DELAY                (50*5)  /* ms */
   #define USB_RESUME_WAIT                 50      /* ms */
   #define USB_RESUME_RECOVERY             50      /* ms */
   #define USB_EXTRA_POWER_UP_TIME         20      /* ms */
   
   #define USB_MIN_POWER           100     /* mA */
   #define USB_MAX_POWER           500     /* mA */
   
   #define USB_BUS_RESET_DELAY     100     /* ms */
   
   /*
    * USB record layout in memory:
    *
    * - USB config 0
    *   - USB interfaces
    *     - USB alternative interfaces
    *       - USB endpoints
    *
    * - USB config 1
    *   - USB interfaces
    *     - USB alternative interfaces
    *       - USB endpoints
    */
   
   /* Declaration of USB records */
   
   struct usb_device_request {
           uByte   bmRequestType;
           uByte   bRequest;
           uWord   wValue;
           uWord   wIndex;
           uWord   wLength;
   } __packed;
   typedef struct usb_device_request usb_device_request_t;
   
   #define UT_WRITE                0x00
   #define UT_READ                 0x80
   #define UT_STANDARD             0x00
   #define UT_CLASS                0x20
   #define UT_VENDOR               0x40
   #define UT_DEVICE               0x00
   #define UT_INTERFACE            0x01
   #define UT_ENDPOINT             0x02
   #define UT_OTHER                0x03
   
   #define UT_READ_DEVICE          (UT_READ  | UT_STANDARD | UT_DEVICE)
   #define UT_READ_INTERFACE       (UT_READ  | UT_STANDARD | UT_INTERFACE)
   #define UT_READ_ENDPOINT        (UT_READ  | UT_STANDARD | UT_ENDPOINT)
   #define UT_WRITE_DEVICE         (UT_WRITE | UT_STANDARD | UT_DEVICE)
   #define UT_WRITE_INTERFACE      (UT_WRITE | UT_STANDARD | UT_INTERFACE)
   #define UT_WRITE_ENDPOINT       (UT_WRITE | UT_STANDARD | UT_ENDPOINT)
   #define UT_READ_CLASS_DEVICE    (UT_READ  | UT_CLASS | UT_DEVICE)
   #define UT_READ_CLASS_INTERFACE (UT_READ  | UT_CLASS | UT_INTERFACE)
   #define UT_READ_CLASS_OTHER     (UT_READ  | UT_CLASS | UT_OTHER)
   #define UT_READ_CLASS_ENDPOINT  (UT_READ  | UT_CLASS | UT_ENDPOINT)
   #define UT_WRITE_CLASS_DEVICE   (UT_WRITE | UT_CLASS | UT_DEVICE)
   #define UT_WRITE_CLASS_INTERFACE (UT_WRITE | UT_CLASS | UT_INTERFACE)
   #define UT_WRITE_CLASS_OTHER    (UT_WRITE | UT_CLASS | UT_OTHER)
   #define UT_WRITE_CLASS_ENDPOINT (UT_WRITE | UT_CLASS | UT_ENDPOINT)
   #define UT_READ_VENDOR_DEVICE   (UT_READ  | UT_VENDOR | UT_DEVICE)
   #define UT_READ_VENDOR_INTERFACE (UT_READ  | UT_VENDOR | UT_INTERFACE)
   #define UT_READ_VENDOR_OTHER    (UT_READ  | UT_VENDOR | UT_OTHER)
   #define UT_READ_VENDOR_ENDPOINT (UT_READ  | UT_VENDOR | UT_ENDPOINT)
   #define UT_WRITE_VENDOR_DEVICE  (UT_WRITE | UT_VENDOR | UT_DEVICE)
   #define UT_WRITE_VENDOR_INTERFACE (UT_WRITE | UT_VENDOR | UT_INTERFACE)
   #define UT_WRITE_VENDOR_OTHER   (UT_WRITE | UT_VENDOR | UT_OTHER)
   #define UT_WRITE_VENDOR_ENDPOINT (UT_WRITE | UT_VENDOR | UT_ENDPOINT)
   
   /* Requests */
   #define UR_GET_STATUS           0x00
   #define UR_CLEAR_FEATURE        0x01
   #define UR_SET_FEATURE          0x03
   #define UR_SET_ADDRESS          0x05
   #define UR_GET_DESCRIPTOR       0x06
   #define UDESC_DEVICE            0x01
   #define UDESC_CONFIG            0x02
   #define UDESC_STRING            0x03
   #define USB_LANGUAGE_TABLE      0x00    /* language ID string index */
   #define UDESC_INTERFACE         0x04
   #define UDESC_ENDPOINT          0x05
   #define UDESC_DEVICE_QUALIFIER  0x06
   #define UDESC_OTHER_SPEED_CONFIGURATION 0x07
   #define UDESC_INTERFACE_POWER   0x08
   #define UDESC_OTG               0x09
   #define UDESC_DEBUG             0x0A
   #define UDESC_IFACE_ASSOC       0x0B    /* interface association */
   #define UDESC_BOS               0x0F    /* binary object store */
   #define UDESC_DEVICE_CAPABILITY 0x10
   #define UDESC_CS_DEVICE         0x21    /* class specific */
   #define UDESC_CS_CONFIG         0x22
   #define UDESC_CS_STRING         0x23
   #define UDESC_CS_INTERFACE      0x24
   #define UDESC_CS_ENDPOINT       0x25
   #define UDESC_HUB               0x29
   #define UDESC_SS_HUB            0x2A    /* super speed */
   #define UDESC_ENDPOINT_SS_COMP  0x30    /* super speed */
   #define UR_SET_DESCRIPTOR       0x07
   #define UR_GET_CONFIG           0x08
   #define UR_SET_CONFIG           0x09
   #define UR_GET_INTERFACE        0x0a
   #define UR_SET_INTERFACE        0x0b
   #define UR_SYNCH_FRAME          0x0c
   #define UR_SET_SEL              0x30
   #define UR_ISOCH_DELAY          0x31
   
   /* HUB specific request */
   #define UR_GET_BUS_STATE        0x02
   #define UR_CLEAR_TT_BUFFER      0x08
   #define UR_RESET_TT             0x09
   #define UR_GET_TT_STATE         0x0a
   #define UR_STOP_TT              0x0b
   #define UR_SET_AND_TEST         0x0c    /* USB 2.0 only */
   #define UR_SET_HUB_DEPTH        0x0c    /* USB 3.0 only */
   #define USB_SS_HUB_DEPTH_MAX    5
   #define UR_GET_PORT_ERR_COUNT   0x0d
   
   /* Feature numbers */
   #define UF_ENDPOINT_HALT        0
   #define UF_DEVICE_REMOTE_WAKEUP 1
   #define UF_TEST_MODE            2
   #define UF_U1_ENABLE            0x30
   #define UF_U2_ENABLE            0x31
   #define UF_LTM_ENABLE           0x32
   
   /* HUB specific features */
   #define UHF_C_HUB_LOCAL_POWER   0
   #define UHF_C_HUB_OVER_CURRENT  1
   #define UHF_PORT_CONNECTION     0
   #define UHF_PORT_ENABLE         1
   #define UHF_PORT_SUSPEND        2
   #define UHF_PORT_OVER_CURRENT   3
   #define UHF_PORT_RESET          4
   #define UHF_PORT_LINK_STATE     5
   #define UHF_PORT_POWER          8
   #define UHF_PORT_LOW_SPEED      9
   #define UHF_PORT_L1             10
   #define UHF_C_PORT_CONNECTION   16
   #define UHF_C_PORT_ENABLE       17
   #define UHF_C_PORT_SUSPEND      18
   #define UHF_C_PORT_OVER_CURRENT 19
   #define UHF_C_PORT_RESET        20
   #define UHF_PORT_TEST           21
   #define UHF_PORT_INDICATOR      22
   #define UHF_C_PORT_L1           23
   
   /* SuperSpeed HUB specific features */
   #define UHF_PORT_U1_TIMEOUT     23
   #define UHF_PORT_U2_TIMEOUT     24
   #define UHF_C_PORT_LINK_STATE   25
   #define UHF_C_PORT_CONFIG_ERROR 26
   #define UHF_PORT_REMOTE_WAKE_MASK       27
   #define UHF_BH_PORT_RESET       28
   #define UHF_C_BH_PORT_RESET     29
   #define UHF_FORCE_LINKPM_ACCEPT 30
   
   struct usb_descriptor {
           uByte   bLength;
           uByte   bDescriptorType;
           uByte   bDescriptorSubtype;
   } __packed;
   typedef struct usb_descriptor usb_descriptor_t;
   
   struct usb_device_descriptor {
           uByte   bLength;
           uByte   bDescriptorType;
           uWord   bcdUSB;
   #define UD_USB_2_0              0x0200
   #define UD_USB_3_0              0x0300
   #define UD_IS_USB2(d) ((d)->bcdUSB[1] == 0x02)
   #define UD_IS_USB3(d) ((d)->bcdUSB[1] == 0x03)
           uByte   bDeviceClass;
           uByte   bDeviceSubClass;
           uByte   bDeviceProtocol;
           uByte   bMaxPacketSize;
           /* The fields below are not part of the initial descriptor. */
           uWord   idVendor;
           uWord   idProduct;
           uWord   bcdDevice;
           uByte   iManufacturer;
           uByte   iProduct;
           uByte   iSerialNumber;
           uByte   bNumConfigurations;
   } __packed;
   typedef struct usb_device_descriptor usb_device_descriptor_t;
   
   /* Binary Device Object Store (BOS) */
   struct usb_bos_descriptor {
           uByte   bLength;
           uByte   bDescriptorType;
           uWord   wTotalLength;
           uByte   bNumDeviceCaps;
   } __packed;
   typedef struct usb_bos_descriptor usb_bos_descriptor_t;
   
   /* Binary Device Object Store Capability */
   struct usb_bos_cap_descriptor {
           uByte   bLength;
           uByte   bDescriptorType;
           uByte   bDevCapabilityType;
   #define USB_DEVCAP_RESERVED     0x00
   #define USB_DEVCAP_WUSB         0x01
   #define USB_DEVCAP_USB2EXT      0x02
   #define USB_DEVCAP_SUPER_SPEED  0x03
   #define USB_DEVCAP_CONTAINER_ID 0x04
           /* data ... */
   } __packed;
   typedef struct usb_bos_cap_descriptor usb_bos_cap_descriptor_t;
   
   struct usb_devcap_usb2ext_descriptor {
           uByte   bLength;
           uByte   bDescriptorType;
           uByte   bDevCapabilityType;
           uDWord  bmAttributes;
   #define USB_V2EXT_LPM (1U << 1)
   #define USB_V2EXT_BESL_SUPPORTED (1U << 2)
   #define USB_V2EXT_BESL_BASELINE_VALID (1U << 3)
   #define USB_V2EXT_BESL_DEEP_VALID (1U << 4)
   #define USB_V2EXT_BESL_BASELINE_GET(x) (((x) >> 8) & 0xF)
   #define USB_V2EXT_BESL_DEEP_GET(x) (((x) >> 12) & 0xF)
   } __packed;
   typedef struct usb_devcap_usb2ext_descriptor usb_devcap_usb2ext_descriptor_t;
   
   struct usb_devcap_ss_descriptor {
           uByte   bLength;
           uByte   bDescriptorType;
           uByte   bDevCapabilityType;
           uByte   bmAttributes;
           uWord   wSpeedsSupported;
           uByte   bFunctionalitySupport;
           uByte   bU1DevExitLat;
           uWord   wU2DevExitLat;
   } __packed;
   typedef struct usb_devcap_ss_descriptor usb_devcap_ss_descriptor_t;
   
   struct usb_devcap_container_id_descriptor {
           uByte   bLength;
           uByte   bDescriptorType;
           uByte   bDevCapabilityType;
           uByte   bReserved;
           uByte   bContainerID;
   } __packed;
   typedef struct usb_devcap_container_id_descriptor
                   usb_devcap_container_id_descriptor_t;
   
   /* Device class codes */
   #define UDCLASS_IN_INTERFACE    0x00
   #define UDCLASS_COMM            0x02
   #define UDCLASS_HUB             0x09
   #define UDSUBCLASS_HUB          0x00
   #define UDPROTO_FSHUB           0x00
   #define UDPROTO_HSHUBSTT        0x01
   #define UDPROTO_HSHUBMTT        0x02
   #define UDPROTO_SSHUB           0x03
   #define UDCLASS_DIAGNOSTIC      0xdc
   #define UDCLASS_WIRELESS        0xe0
   #define UDSUBCLASS_RF           0x01
   #define UDPROTO_BLUETOOTH       0x01
   #define UDCLASS_VENDOR          0xff
   
   struct usb_config_descriptor {
           uByte   bLength;
           uByte   bDescriptorType;
           uWord   wTotalLength;
           uByte   bNumInterface;
           uByte   bConfigurationValue;
   #define USB_UNCONFIG_NO 0
           uByte   iConfiguration;
           uByte   bmAttributes;
   #define UC_BUS_POWERED          0x80
   #define UC_SELF_POWERED         0x40
   #define UC_REMOTE_WAKEUP        0x20
           uByte   bMaxPower;              /* max current in 2 mA units */
   #define UC_POWER_FACTOR 2
   } __packed;
   typedef struct usb_config_descriptor usb_config_descriptor_t;
   
   struct usb_interface_descriptor {
           uByte   bLength;
           uByte   bDescriptorType;
           uByte   bInterfaceNumber;
           uByte   bAlternateSetting;
           uByte   bNumEndpoints;
           uByte   bInterfaceClass;
           uByte   bInterfaceSubClass;
           uByte   bInterfaceProtocol;
           uByte   iInterface;
   } __packed;
   typedef struct usb_interface_descriptor usb_interface_descriptor_t;
   
   struct usb_interface_assoc_descriptor {
           uByte   bLength;
           uByte   bDescriptorType;
           uByte   bFirstInterface;
           uByte   bInterfaceCount;
           uByte   bFunctionClass;
           uByte   bFunctionSubClass;
           uByte   bFunctionProtocol;
           uByte   iFunction;
   } __packed;
   typedef struct usb_interface_assoc_descriptor usb_interface_assoc_descriptor_t;
   
   /* Interface class codes */
   #define UICLASS_UNSPEC          0x00
   #define UICLASS_AUDIO           0x01    /* audio */
   #define UISUBCLASS_AUDIOCONTROL 1
   #define UISUBCLASS_AUDIOSTREAM          2
   #define UISUBCLASS_MIDISTREAM           3
   
   #define UICLASS_CDC             0x02    /* communication */
   #define UISUBCLASS_DIRECT_LINE_CONTROL_MODEL    1
   #define UISUBCLASS_ABSTRACT_CONTROL_MODEL       2
   #define UISUBCLASS_TELEPHONE_CONTROL_MODEL      3
   #define UISUBCLASS_MULTICHANNEL_CONTROL_MODEL   4
   #define UISUBCLASS_CAPI_CONTROLMODEL            5
   #define UISUBCLASS_ETHERNET_NETWORKING_CONTROL_MODEL 6
   #define UISUBCLASS_ATM_NETWORKING_CONTROL_MODEL 7
   #define UISUBCLASS_WIRELESS_HANDSET_CM 8
   #define UISUBCLASS_DEVICE_MGMT 9
   #define UISUBCLASS_MOBILE_DIRECT_LINE_MODEL 10
   #define UISUBCLASS_OBEX 11
   #define UISUBCLASS_ETHERNET_EMULATION_MODEL 12
   #define UISUBCLASS_NETWORK_CONTROL_MODEL 13
   
   #define UIPROTO_CDC_NONE                0
   #define UIPROTO_CDC_AT                  1
   
   #define UICLASS_HID             0x03
   #define UISUBCLASS_BOOT         1
   #define UIPROTO_BOOT_KEYBOARD   1
   #define UIPROTO_MOUSE           2
   
   #define UICLASS_PHYSICAL        0x05
   #define UICLASS_IMAGE           0x06
   #define UISUBCLASS_SIC          1       /* still image class */
   #define UICLASS_PRINTER         0x07
   #define UISUBCLASS_PRINTER      1
   #define UIPROTO_PRINTER_UNI     1
   #define UIPROTO_PRINTER_BI      2
   #define UIPROTO_PRINTER_1284    3
   
   #define UICLASS_MASS            0x08
   #define UISUBCLASS_RBC          1
   #define UISUBCLASS_SFF8020I     2
   #define UISUBCLASS_QIC157       3
   #define UISUBCLASS_UFI          4
   #define UISUBCLASS_SFF8070I     5
   #define UISUBCLASS_SCSI         6
   #define UIPROTO_MASS_CBI_I      0
   #define UIPROTO_MASS_CBI        1
   #define UIPROTO_MASS_BBB_OLD    2       /* Not in the spec anymore */
   #define UIPROTO_MASS_BBB        80      /* 'P' for the Iomega Zip drive */
   
   #define UICLASS_HUB             0x09
   #define UISUBCLASS_HUB          0
   #define UIPROTO_FSHUB           0
   #define UIPROTO_HSHUBSTT        0       /* Yes, same as previous */
   #define UIPROTO_HSHUBMTT        1
   
   #define UICLASS_CDC_DATA        0x0a
   #define UISUBCLASS_DATA         0x00
   #define UIPROTO_DATA_ISDNBRI            0x30    /* Physical iface */
   #define UIPROTO_DATA_HDLC               0x31    /* HDLC */
   #define UIPROTO_DATA_TRANSPARENT        0x32    /* Transparent */
   #define UIPROTO_DATA_Q921M              0x50    /* Management for Q921 */
   #define UIPROTO_DATA_Q921               0x51    /* Data for Q921 */
   #define UIPROTO_DATA_Q921TM             0x52    /* TEI multiplexer for Q921 */
   #define UIPROTO_DATA_V42BIS             0x90    /* Data compression */
   #define UIPROTO_DATA_Q931               0x91    /* Euro-ISDN */
   #define UIPROTO_DATA_V120               0x92    /* V.24 rate adaption */
   #define UIPROTO_DATA_CAPI               0x93    /* CAPI 2.0 commands */
   #define UIPROTO_DATA_HOST_BASED         0xfd    /* Host based driver */
   #define UIPROTO_DATA_PUF                0xfe    /* see Prot. Unit Func. Desc. */
   #define UIPROTO_DATA_VENDOR             0xff    /* Vendor specific */
   #define UIPROTO_DATA_NCM                0x01    /* Network Control Model */
   
   #define UICLASS_SMARTCARD       0x0b
   #define UICLASS_FIRM_UPD        0x0c
   #define UICLASS_SECURITY        0x0d
   #define UICLASS_DIAGNOSTIC      0xdc
   #define UICLASS_WIRELESS        0xe0
   #define UISUBCLASS_RF                   0x01
   #define UIPROTO_BLUETOOTH               0x01
   #define UIPROTO_RNDIS                   0x03
   
   #define UICLASS_IAD             0xEF    /* Interface Association Descriptor */
   #define UISUBCLASS_SYNC                 0x01
   #define UIPROTO_ACTIVESYNC              0x01
   
   #define UICLASS_APPL_SPEC       0xfe
   #define UISUBCLASS_FIRMWARE_DOWNLOAD    1
   #define UISUBCLASS_IRDA                 2
   #define UIPROTO_IRDA                    0
   
   #define UICLASS_VENDOR          0xff
   #define UISUBCLASS_XBOX360_CONTROLLER   0x5d
   #define UIPROTO_XBOX360_GAMEPAD 0x01
   
   struct usb_endpoint_descriptor {
           uByte   bLength;
           uByte   bDescriptorType;
           uByte   bEndpointAddress;
   #define UE_GET_DIR(a)   ((a) & 0x80)
   #define UE_SET_DIR(a,d) ((a) | (((d)&1) << 7))
   #define UE_DIR_IN       0x80            /* IN-token endpoint, fixed */
   #define UE_DIR_OUT      0x00            /* OUT-token endpoint, fixed */
   #define UE_DIR_RX       0xfd            /* for internal use only! */
   #define UE_DIR_TX       0xfe            /* for internal use only! */
   #define UE_DIR_ANY      0xff            /* for internal use only! */
   #define UE_ADDR         0x0f
   #define UE_ADDR_ANY     0xff            /* for internal use only! */
   #define UE_GET_ADDR(a)  ((a) & UE_ADDR)
           uByte   bmAttributes;
   #define UE_XFERTYPE     0x03
   #define UE_CONTROL      0x00
   #define UE_ISOCHRONOUS  0x01
   #define UE_BULK 0x02
   #define UE_INTERRUPT    0x03
   #define UE_BULK_INTR    0xfe            /* for internal use only! */
   #define UE_TYPE_ANY     0xff            /* for internal use only! */
   #define UE_GET_XFERTYPE(a)      ((a) & UE_XFERTYPE)
   #define UE_ISO_TYPE     0x0c
   #define UE_ISO_ASYNC    0x04
   #define UE_ISO_ADAPT    0x08
   #define UE_ISO_SYNC     0x0c
   #define UE_GET_ISO_TYPE(a)      ((a) & UE_ISO_TYPE)
   #define UE_ISO_USAGE    0x30
   #define UE_ISO_USAGE_DATA       0x00
   #define UE_ISO_USAGE_FEEDBACK   0x10
   #define UE_ISO_USAGE_IMPLICT_FB 0x20
   #define UE_GET_ISO_USAGE(a)     ((a) & UE_ISO_USAGE)
           uWord   wMaxPacketSize;
   #define UE_ZERO_MPS 0xFFFF              /* for internal use only */
           uByte   bInterval;
   } __packed;
   typedef struct usb_endpoint_descriptor usb_endpoint_descriptor_t;
   
   struct usb_endpoint_ss_comp_descriptor {
           uByte   bLength;
           uByte   bDescriptorType;
           uByte   bMaxBurst;
           uByte   bmAttributes;
   #define UE_GET_BULK_STREAMS(x) ((x) & 0x0F)
   #define UE_GET_SS_ISO_MULT(x) ((x) & 0x03)
           uWord   wBytesPerInterval;
   } __packed;
   typedef struct usb_endpoint_ss_comp_descriptor
                   usb_endpoint_ss_comp_descriptor_t;
   
   struct usb_string_descriptor {
           uByte   bLength;
           uByte   bDescriptorType;
           uWord   bString[126];
           uByte   bUnused;
   } __packed;
   typedef struct usb_string_descriptor usb_string_descriptor_t;
   
   #define USB_MAKE_STRING_DESC(m,name)    \
   static const struct {                   \
     uByte bLength;                        \
     uByte bDescriptorType;                \
     uByte bData[sizeof((uint8_t []){m})]; \
   } __packed name = {                     \
     .bLength = sizeof(name),              \
     .bDescriptorType = UDESC_STRING,      \
     .bData = { m },                       \
   }
   
   struct usb_string_lang {
           uByte bLength;
           uByte bDescriptorType;
           uByte bData[2];
   } __packed;
   typedef struct usb_string_lang usb_string_lang_t;
   
   struct usb_hub_descriptor {
           uByte   bDescLength;
           uByte   bDescriptorType;
           uByte   bNbrPorts;
           uWord   wHubCharacteristics;
   #define UHD_PWR                 0x0003
   #define UHD_PWR_GANGED          0x0000
   #define UHD_PWR_INDIVIDUAL      0x0001
   #define UHD_PWR_NO_SWITCH       0x0002
   #define UHD_COMPOUND            0x0004
   #define UHD_OC                  0x0018
   #define UHD_OC_GLOBAL           0x0000
   #define UHD_OC_INDIVIDUAL       0x0008
   #define UHD_OC_NONE             0x0010
   #define UHD_TT_THINK            0x0060
   #define UHD_TT_THINK_8          0x0000
   #define UHD_TT_THINK_16         0x0020
   #define UHD_TT_THINK_24         0x0040
   #define UHD_TT_THINK_32         0x0060
   #define UHD_PORT_IND            0x0080
           uByte   bPwrOn2PwrGood;         /* delay in 2 ms units */
   #define UHD_PWRON_FACTOR 2
           uByte   bHubContrCurrent;
           uByte   DeviceRemovable[32];    /* max 255 ports */
   #define UHD_NOT_REMOV(desc, i) \
       (((desc)->DeviceRemovable[(i)/8] >> ((i) % 8)) & 1)
           uByte   PortPowerCtrlMask[1];   /* deprecated */
   } __packed;
   typedef struct usb_hub_descriptor usb_hub_descriptor_t;
   
   struct usb_hub_ss_descriptor {
           uByte   bLength;
           uByte   bDescriptorType;
           uByte   bNbrPorts;
           uWord   wHubCharacteristics;
           uByte   bPwrOn2PwrGood;         /* delay in 2 ms units */
           uByte   bHubContrCurrent;
           uByte   bHubHdrDecLat;
           uWord   wHubDelay;
           uByte   DeviceRemovable[32];    /* max 255 ports */
   } __packed;
   typedef struct usb_hub_ss_descriptor usb_hub_ss_descriptor_t;
   
   /* minimum HUB descriptor (8-ports maximum) */
   struct usb_hub_descriptor_min {
           uByte   bDescLength;
           uByte   bDescriptorType;
           uByte   bNbrPorts;
           uWord   wHubCharacteristics;
           uByte   bPwrOn2PwrGood;
           uByte   bHubContrCurrent;
           uByte   DeviceRemovable[1];
           uByte   PortPowerCtrlMask[1];
   } __packed;
   typedef struct usb_hub_descriptor_min usb_hub_descriptor_min_t;
   
   struct usb_device_qualifier {
           uByte   bLength;
           uByte   bDescriptorType;
           uWord   bcdUSB;
           uByte   bDeviceClass;
           uByte   bDeviceSubClass;
           uByte   bDeviceProtocol;
           uByte   bMaxPacketSize0;
           uByte   bNumConfigurations;
           uByte   bReserved;
   } __packed;
   typedef struct usb_device_qualifier usb_device_qualifier_t;
   
   struct usb_otg_descriptor {
           uByte   bLength;
           uByte   bDescriptorType;
           uByte   bmAttributes;
   #define UOTG_SRP        0x01
   #define UOTG_HNP        0x02
   } __packed;
   typedef struct usb_otg_descriptor usb_otg_descriptor_t;
   
   /* OTG feature selectors */
   #define UOTG_B_HNP_ENABLE       3
   #define UOTG_A_HNP_SUPPORT      4
   #define UOTG_A_ALT_HNP_SUPPORT  5
   
   struct usb_status {
           uWord   wStatus;
   /* Device status flags */
   #define UDS_SELF_POWERED                0x0001
   #define UDS_REMOTE_WAKEUP               0x0002
   /* Endpoint status flags */
   #define UES_HALT                        0x0001
   } __packed;
   typedef struct usb_status usb_status_t;
   
   struct usb_hub_status {
           uWord   wHubStatus;
   #define UHS_LOCAL_POWER                 0x0001
   #define UHS_OVER_CURRENT                0x0002
           uWord   wHubChange;
   } __packed;
   typedef struct usb_hub_status usb_hub_status_t;
   
   struct usb_port_status {
           uWord   wPortStatus;
   #define UPS_CURRENT_CONNECT_STATUS      0x0001
   #define UPS_PORT_ENABLED                0x0002
   #define UPS_SUSPEND                     0x0004
   #define UPS_OVERCURRENT_INDICATOR       0x0008
   #define UPS_RESET                       0x0010
   #define UPS_PORT_L1                     0x0020  /* USB 2.0 only */
   /* The link-state bits are valid for Super-Speed USB HUBs */
   #define UPS_PORT_LINK_STATE_GET(x)      (((x) >> 5) & 0xF)
   #define UPS_PORT_LINK_STATE_SET(x)      (((x) & 0xF) << 5)
   #define UPS_PORT_LS_U0          0x00
   #define UPS_PORT_LS_U1          0x01
   #define UPS_PORT_LS_U2          0x02
   #define UPS_PORT_LS_U3          0x03
   #define UPS_PORT_LS_SS_DIS      0x04
   #define UPS_PORT_LS_RX_DET      0x05
   #define UPS_PORT_LS_SS_INA      0x06
   #define UPS_PORT_LS_POLL        0x07
   #define UPS_PORT_LS_RECOVER     0x08
   #define UPS_PORT_LS_HOT_RST     0x09
   #define UPS_PORT_LS_COMP_MODE   0x0A
   #define UPS_PORT_LS_LOOPBACK    0x0B
   #define UPS_PORT_LS_RESUME      0x0F
   #define UPS_PORT_POWER                  0x0100
   #define UPS_PORT_POWER_SS               0x0200  /* super-speed only */
   #define UPS_LOW_SPEED                   0x0200
   #define UPS_HIGH_SPEED                  0x0400
   #define UPS_OTHER_SPEED                 0x0600  /* currently FreeBSD specific */
   #define UPS_PORT_TEST                   0x0800
   #define UPS_PORT_INDICATOR              0x1000
   #define UPS_PORT_MODE_DEVICE            0x8000  /* currently FreeBSD specific */
           uWord   wPortChange;
   #define UPS_C_CONNECT_STATUS            0x0001
   #define UPS_C_PORT_ENABLED              0x0002
   #define UPS_C_SUSPEND                   0x0004
   #define UPS_C_OVERCURRENT_INDICATOR     0x0008
   #define UPS_C_PORT_RESET                0x0010
   #define UPS_C_PORT_L1                   0x0020  /* USB 2.0 only */
   #define UPS_C_BH_PORT_RESET             0x0020  /* USB 3.0 only */
   #define UPS_C_PORT_LINK_STATE           0x0040
   #define UPS_C_PORT_CONFIG_ERROR         0x0080
   } __packed;
   typedef struct usb_port_status usb_port_status_t;
   
   /*
    * The "USB_SPEED" macros defines all the supported USB speeds.
    */
   enum usb_dev_speed {
           USB_SPEED_VARIABLE,
           USB_SPEED_LOW,
           USB_SPEED_FULL,
           USB_SPEED_HIGH,
           USB_SPEED_SUPER,
   };
   #define USB_SPEED_MAX   (USB_SPEED_SUPER+1)
   
   /*
    * The "USB_REV" macros defines all the supported USB revisions.
    */
   enum usb_revision {
           USB_REV_UNKNOWN,
           USB_REV_PRE_1_0,
           USB_REV_1_0,
           USB_REV_1_1,
           USB_REV_2_0,
           USB_REV_2_5,
           USB_REV_3_0
   };
   #define USB_REV_MAX     (USB_REV_3_0+1)
   
   /*
    * Supported host controller modes.
    */
   enum usb_hc_mode {
           USB_MODE_HOST,          /* initiates transfers */
           USB_MODE_DEVICE,        /* bus transfer target */
           USB_MODE_DUAL           /* can be host or device */
   };
   #define USB_MODE_MAX    (USB_MODE_DUAL+1)
   
   /*
    * The "USB_STATE" enums define all the supported device states.
    */
   enum usb_dev_state {
           USB_STATE_DETACHED,
           USB_STATE_ATTACHED,
           USB_STATE_POWERED,
           USB_STATE_ADDRESSED,
           USB_STATE_CONFIGURED,
   };
   #define USB_STATE_MAX   (USB_STATE_CONFIGURED+1)
   
   /*
    * The "USB_EP_MODE" macros define all the currently supported
    * endpoint modes.
    */
   enum usb_ep_mode {
           USB_EP_MODE_DEFAULT,
           USB_EP_MODE_STREAMS,    /* USB3.0 specific */
           USB_EP_MODE_HW_MASS_STORAGE,
           USB_EP_MODE_HW_SERIAL,
           USB_EP_MODE_HW_ETHERNET_CDC,
           USB_EP_MODE_HW_ETHERNET_NCM,
           USB_EP_MODE_MAX
   };
   #endif                                  /* _USB_STANDARD_H_ */

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