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

     /*      $NetBSD: usb.h,v 1.69 2002/09/22 23:20:50 augustss Exp $        */
     /*      $FreeBSD: src/sys/dev/usb/usb.h,v 1.14 1999/11/17 22:33:46 n_hibma Exp $        */
     
     /*
      * Copyright (c) 1998 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Lennart Augustsson (lennart@augustsson.net) at
     * Carlstedt Research & Technology.
     *
     * 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.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *        This product includes software developed by the NetBSD
     *        Foundation, Inc. and its contributors.
     * 4. Neither the name of The NetBSD Foundation nor the names of its
     *    contributors may be used to endorse or promote products derived
     *    from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
     */
    
    
    #ifndef _USB_H_
    #define _USB_H_
    
    #include <sys/types.h>
    #include <sys/time.h>
    
    #if defined(__NetBSD__) || defined(__OpenBSD__)
    #include <sys/ioctl.h>
    #endif
    #if defined(__FreeBSD__)
    /* These two defines are used by usbd to autoload the usb kld */
    #define USB_KLD         "usb"           /* name of usb module */
    #define USB_UHUB        "usb/uhub"      /* root hub */
    #endif
    
    #if defined(_KERNEL)
    #include <dev/usb/usb_port.h>
    #endif /* _KERNEL */
    
    #define USB_STACK_VERSION 2
    
    #define USB_MAX_DEVICES 128
    #define USB_START_ADDR 0
    
    #define USB_CONTROL_ENDPOINT 0
    #define USB_MAX_ENDPOINTS 16
    
    #define USB_FRAMES_PER_SECOND 1000
    
    /*
     * The USB records contain some unaligned little-endian word
     * components.  The U[SG]ETW macros take care of both the alignment
     * and endian problem and should always be used to access non-byte
     * values.
     */
    typedef u_int8_t uByte;
    typedef u_int8_t uWord[2];
    typedef u_int8_t uDWord[4];
    
    #define USETW2(w,h,l) ((w)[0] = (u_int8_t)(l), (w)[1] = (u_int8_t)(h))
    
    #if 1
    #define UGETW(w) ((w)[0] | ((w)[1] << 8))
    #define USETW(w,v) ((w)[0] = (u_int8_t)(v), (w)[1] = (u_int8_t)((v) >> 8))
    #define UGETDW(w) ((w)[0] | ((w)[1] << 8) | ((w)[2] << 16) | ((w)[3] << 24))
    #define USETDW(w,v) ((w)[0] = (u_int8_t)(v), \
                         (w)[1] = (u_int8_t)((v) >> 8), \
                         (w)[2] = (u_int8_t)((v) >> 16), \
                         (w)[3] = (u_int8_t)((v) >> 24))
    #else
    /*
     * On little-endian machines that can handle unanliged accesses
     * (e.g. i386) these macros can be replaced by the following.
     */
    #define UGETW(w) (*(u_int16_t *)(w))
    #define USETW(w,v) (*(u_int16_t *)(w) = (v))
    #define UGETDW(w) (*(u_int32_t *)(w))
    #define USETDW(w,v) (*(u_int32_t *)(w) = (v))
   #endif
   
   #define UPACKED __attribute__((__packed__))
   
   typedef struct {
           uByte           bmRequestType;
           uByte           bRequest;
           uWord           wValue;
           uWord           wIndex;
           uWord           wLength;
   } UPACKED 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  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_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 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
   
   /* Feature numbers */
   #define UF_ENDPOINT_HALT        0
   #define UF_DEVICE_REMOTE_WAKEUP 1
   #define UF_TEST_MODE            2
   
   #define USB_MAX_IPACKET         8 /* maximum size of the initial packet */
   
   #define USB_2_MAX_CTRL_PACKET   64
   #define USB_2_MAX_BULK_PACKET   512
   
   typedef struct {
           uByte           bLength;
           uByte           bDescriptorType;
           uByte           bDescriptorSubtype;
   } UPACKED usb_descriptor_t;
   
   typedef struct {
           uByte           bLength;
           uByte           bDescriptorType;
           uWord           bcdUSB;
   #define UD_USB_2_0              0x0200
   #define UD_IS_USB2(d) (UGETW((d)->bcdUSB) >= UD_USB_2_0)
           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;
   } UPACKED usb_device_descriptor_t;
   #define USB_DEVICE_DESCRIPTOR_SIZE 18
   
   typedef struct {
           uByte           bLength;
           uByte           bDescriptorType;
           uWord           wTotalLength;
           uByte           bNumInterface;
           uByte           bConfigurationValue;
           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
   } UPACKED usb_config_descriptor_t;
   #define USB_CONFIG_DESCRIPTOR_SIZE 9
   
   typedef struct {
           uByte           bLength;
           uByte           bDescriptorType;
           uByte           bInterfaceNumber;
           uByte           bAlternateSetting;
           uByte           bNumEndpoints;
           uByte           bInterfaceClass;
           uByte           bInterfaceSubClass;
           uByte           bInterfaceProtocol;
           uByte           iInterface;
   } UPACKED usb_interface_descriptor_t;
   #define USB_INTERFACE_DESCRIPTOR_SIZE 9
   
   typedef struct {
           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
   #define UE_DIR_OUT      0x00
   #define UE_ADDR         0x0f
   #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_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)
           uWord           wMaxPacketSize;
           uByte           bInterval;
   } UPACKED usb_endpoint_descriptor_t;
   #define USB_ENDPOINT_DESCRIPTOR_SIZE 7
   
   typedef struct {
           uByte           bLength;
           uByte           bDescriptorType;
           uWord           bString[127];
   } UPACKED usb_string_descriptor_t;
   #define USB_MAX_STRING_LEN 128
   #define USB_LANGUAGE_TABLE 0    /* # of the string language id table */
   
   /* 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
   
   /* Hub 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_POWER          8
   #define UHF_PORT_LOW_SPEED      9
   #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
   
   typedef struct {
           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)
           /* deprecated */ uByte          PortPowerCtrlMask[1];
   } UPACKED usb_hub_descriptor_t;
   #define USB_HUB_DESCRIPTOR_SIZE 9 /* includes deprecated PortPowerCtrlMask */
   
   typedef struct {
           uByte           bLength;
           uByte           bDescriptorType;
           uWord           bcdUSB;
           uByte           bDeviceClass;
           uByte           bDeviceSubClass;
           uByte           bDeviceProtocol;
           uByte           bMaxPacketSize0;
           uByte           bNumConfigurations;
           uByte           bReserved;
   } UPACKED usb_device_qualifier_t;
   #define USB_DEVICE_QUALIFIER_SIZE 10
   
   typedef struct {
           uByte           bLength;
           uByte           bDescriptorType;
           uByte           bmAttributes;
   #define UOTG_SRP        0x01
   #define UOTG_HNP        0x02
   } UPACKED 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
   
   typedef struct {
           uWord           wStatus;
   /* Device status flags */
   #define UDS_SELF_POWERED                0x0001
   #define UDS_REMOTE_WAKEUP               0x0002
   /* Endpoint status flags */
   #define UES_HALT                        0x0001
   } UPACKED usb_status_t;
   
   typedef struct {
           uWord           wHubStatus;
   #define UHS_LOCAL_POWER                 0x0001
   #define UHS_OVER_CURRENT                0x0002
           uWord           wHubChange;
   } UPACKED usb_hub_status_t;
   
   typedef struct {
           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_POWER                  0x0100
   #define UPS_LOW_SPEED                   0x0200
   #define UPS_HIGH_SPEED                  0x0400
   #define UPS_PORT_TEST                   0x0800
   #define UPS_PORT_INDICATOR              0x1000
           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
   } UPACKED usb_port_status_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 UDCLASS_DIAGNOSTIC      0xdc
   #define UDCLASS_WIRELESS        0xe0
   #define  UDSUBCLASS_RF          0x01
   #define   UDPROTO_BLUETOOTH     0x01
   #define UDCLASS_VENDOR          0xff
   
   /* Interface class codes */
   #define UICLASS_UNSPEC          0x00
   
   #define UICLASS_AUDIO           0x01
   #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   UIPROTO_CDC_AT                        1
   
   #define UICLASS_HID             0x03
   #define  UISUBCLASS_BOOT        1
   #define  UIPROTO_BOOT_KEYBOARD  1
   
   #define UICLASS_PHYSICAL        0x05
   
   #define UICLASS_IMAGE           0x06
   
   #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                0
   #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 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 UICLASS_APPL_SPEC       0xfe
   #define  UISUBCLASS_FIRMWARE_DOWNLOAD   1
   #define  UISUBCLASS_IRDA                2
   #define  UIPROTO_IRDA                   0
   
   #define UICLASS_VENDOR          0xff
   
   
   #define USB_HUB_MAX_DEPTH 5
   
   /*
    * Minimum time a device needs to be powered down to go through
    * a power cycle.  XXX Are these time in the spec?
    */
   #define USB_POWER_DOWN_TIME     200 /* ms */
   #define USB_PORT_POWER_DOWN_TIME        100 /* ms */
   
   #if 0
   /* These are the values from the spec. */
   #define USB_PORT_RESET_DELAY    10  /* ms */
   #define USB_PORT_ROOT_RESET_DELAY 50  /* ms */
   #define USB_PORT_RESET_RECOVERY 10  /* ms */
   #define USB_PORT_POWERUP_DELAY  100 /* ms */
   #define USB_SET_ADDRESS_SETTLE  2   /* ms */
   #define USB_RESUME_DELAY        (20*5)  /* ms */
   #define USB_RESUME_WAIT         10  /* ms */
   #define USB_RESUME_RECOVERY     10  /* ms */
   #define USB_EXTRA_POWER_UP_TIME 0   /* ms */
   #else
   /* Allow for marginal (i.e. non-conforming) devices. */
   #define USB_PORT_RESET_DELAY    50  /* ms */
   #define USB_PORT_ROOT_RESET_DELAY 250  /* ms */
   #define USB_PORT_RESET_RECOVERY 250  /* ms */
   #define USB_PORT_POWERUP_DELAY  300 /* 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 */
   #endif
   
   #define USB_MIN_POWER           100 /* mA */
   #define USB_MAX_POWER           500 /* mA */
   
   #define USB_BUS_RESET_DELAY     100 /* ms XXX?*/
   
   
   #define USB_UNCONFIG_NO 0
   #define USB_UNCONFIG_INDEX (-1)
   
   /*** ioctl() related stuff ***/
   
   struct usb_ctl_request {
           int     ucr_addr;
           usb_device_request_t ucr_request;
           void    *ucr_data;
           int     ucr_flags;
   #define USBD_SHORT_XFER_OK      0x04    /* allow short reads */
           int     ucr_actlen;             /* actual length transferred */
   };
   
   struct usb_alt_interface {
           int     uai_config_index;
           int     uai_interface_index;
           int     uai_alt_no;
   };
   
   #define USB_CURRENT_CONFIG_INDEX (-1)
   #define USB_CURRENT_ALT_INDEX (-1)
   
   struct usb_config_desc {
           int     ucd_config_index;
           usb_config_descriptor_t ucd_desc;
   };
   
   struct usb_interface_desc {
           int     uid_config_index;
           int     uid_interface_index;
           int     uid_alt_index;
           usb_interface_descriptor_t uid_desc;
   };
   
   struct usb_endpoint_desc {
           int     ued_config_index;
           int     ued_interface_index;
           int     ued_alt_index;
           int     ued_endpoint_index;
           usb_endpoint_descriptor_t ued_desc;
   };
   
   struct usb_full_desc {
           int     ufd_config_index;
           u_int   ufd_size;
           u_char  *ufd_data;
   };
   
   struct usb_string_desc {
           int     usd_string_index;
           int     usd_language_id;
           usb_string_descriptor_t usd_desc;
   };
   
   struct usb_ctl_report_desc {
           int     ucrd_size;
           u_char  ucrd_data[1024];        /* filled data size will vary */
   };
   
   typedef struct { u_int32_t cookie; } usb_event_cookie_t;
   
   #define USB_MAX_DEVNAMES 4
   #define USB_MAX_DEVNAMELEN 16
   struct usb_device_info {
           u_int8_t        udi_bus;
           u_int8_t        udi_addr;       /* device address */
           usb_event_cookie_t udi_cookie;
           char            udi_product[USB_MAX_STRING_LEN];
           char            udi_vendor[USB_MAX_STRING_LEN];
           char            udi_release[8];
           u_int16_t       udi_productNo;
           u_int16_t       udi_vendorNo;
           u_int16_t       udi_releaseNo;
           u_int8_t        udi_class;
           u_int8_t        udi_subclass;
           u_int8_t        udi_protocol;
           u_int8_t        udi_config;
           u_int8_t        udi_speed;
   #define USB_SPEED_LOW  1
   #define USB_SPEED_FULL 2
   #define USB_SPEED_HIGH 3
           int             udi_power;      /* power consumption in mA, 0 if selfpowered */
           int             udi_nports;
           char            udi_devnames[USB_MAX_DEVNAMES][USB_MAX_DEVNAMELEN];
           u_int8_t        udi_ports[16];/* hub only: addresses of devices on ports */
   #define USB_PORT_ENABLED 0xff
   #define USB_PORT_SUSPENDED 0xfe
   #define USB_PORT_POWERED 0xfd
   #define USB_PORT_DISABLED 0xfc
   };
   
   struct usb_ctl_report {
           int     ucr_report;
           u_char  ucr_data[1024]; /* filled data size will vary */
   };
   
   struct usb_device_stats {
           u_long  uds_requests[4];        /* indexed by transfer type UE_* */
   };
   
   /* Events that can be read from /dev/usb */
   struct usb_event {
           int                     ue_type;
   #define USB_EVENT_CTRLR_ATTACH 1
   #define USB_EVENT_CTRLR_DETACH 2
   #define USB_EVENT_DEVICE_ATTACH 3
   #define USB_EVENT_DEVICE_DETACH 4
   #define USB_EVENT_DRIVER_ATTACH 5
   #define USB_EVENT_DRIVER_DETACH 6
   #define USB_EVENT_IS_ATTACH(n) ((n) == USB_EVENT_CTRLR_ATTACH || (n) == USB_EVENT_DEVICE_ATTACH || (n) == USB_EVENT_DRIVER_ATTACH)
   #define USB_EVENT_IS_DETACH(n) ((n) == USB_EVENT_CTRLR_DETACH || (n) == USB_EVENT_DEVICE_DETACH || (n) == USB_EVENT_DRIVER_DETACH)
           struct timespec         ue_time;
           union {
                   struct {
                           int                     ue_bus;
                   } ue_ctrlr;
                   struct usb_device_info          ue_device;
                   struct {
                           usb_event_cookie_t      ue_cookie;
                           char                    ue_devname[16];
                   } ue_driver;
           } u;
   };
   
   /* USB controller */
   #define USB_REQUEST             _IOWR('U', 1, struct usb_ctl_request)
   #define USB_SETDEBUG            _IOW ('U', 2, int)
   #define USB_DISCOVER            _IO  ('U', 3)
   #define USB_DEVICEINFO          _IOWR('U', 4, struct usb_device_info)
   #define USB_DEVICESTATS         _IOR ('U', 5, struct usb_device_stats)
   
   /* Generic HID device */
   #define USB_GET_REPORT_DESC     _IOR ('U', 21, struct usb_ctl_report_desc)
   #define USB_SET_IMMED           _IOW ('U', 22, int)
   #define USB_GET_REPORT          _IOWR('U', 23, struct usb_ctl_report)
   #define USB_SET_REPORT          _IOW ('U', 24, struct usb_ctl_report)
   #define USB_GET_REPORT_ID       _IOR ('U', 25, int)
   
   /* Generic USB device */
   #define USB_GET_CONFIG          _IOR ('U', 100, int)
   #define USB_SET_CONFIG          _IOW ('U', 101, int)
   #define USB_GET_ALTINTERFACE    _IOWR('U', 102, struct usb_alt_interface)
   #define USB_SET_ALTINTERFACE    _IOWR('U', 103, struct usb_alt_interface)
   #define USB_GET_NO_ALT          _IOWR('U', 104, struct usb_alt_interface)
   #define USB_GET_DEVICE_DESC     _IOR ('U', 105, usb_device_descriptor_t)
   #define USB_GET_CONFIG_DESC     _IOWR('U', 106, struct usb_config_desc)
   #define USB_GET_INTERFACE_DESC  _IOWR('U', 107, struct usb_interface_desc)
   #define USB_GET_ENDPOINT_DESC   _IOWR('U', 108, struct usb_endpoint_desc)
   #define USB_GET_FULL_DESC       _IOWR('U', 109, struct usb_full_desc)
   #define USB_GET_STRING_DESC     _IOWR('U', 110, struct usb_string_desc)
   #define USB_DO_REQUEST          _IOWR('U', 111, struct usb_ctl_request)
   #define USB_GET_DEVICEINFO      _IOR ('U', 112, struct usb_device_info)
   #define USB_SET_SHORT_XFER      _IOW ('U', 113, int)
   #define USB_SET_TIMEOUT         _IOW ('U', 114, int)
   
   /* Modem device */
   #define USB_GET_CM_OVER_DATA    _IOR ('U', 130, int)
   #define USB_SET_CM_OVER_DATA    _IOW ('U', 131, int)
   
   #endif /* _USB_H_ */

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