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IABSD.fr/src/sys/dev/usb/usb.h

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  • Author : mglocker
    Date : 2021-01-27 17:28:19
    Hash : f2476161
    Message : The usb configuration descriptor parameter providing the number of available device interfaces is called 'bNumInterfaces'. ok phessler@, thfr@ (who provided the man page diff)

  • sys/dev/usb/usb.h
  • /*	$OpenBSD: usb.h,v 1.62 2021/01/27 17:28:19 mglocker Exp $ */
    /*	$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.
     *
     * 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>
    
    #include <sys/ioctl.h>
    
    #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 defined(__STRICT_ALIGNMENT) || _BYTE_ORDER != _LITTLE_ENDIAN
    #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 unaligned 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
    
    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  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
    
    /* 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
    
    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;
    	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;
    #define USB_DEVICE_DESCRIPTOR_SIZE 18
    
    struct usb_config_descriptor {
    	uByte		bLength;
    	uByte		bDescriptorType;
    	uWord		wTotalLength;
    	uByte		bNumInterfaces;
    	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
    } __packed;
    typedef struct usb_config_descriptor usb_config_descriptor_t;
    #define USB_CONFIG_DESCRIPTOR_SIZE 9
    
    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;
    #define USB_INTERFACE_DESCRIPTOR_SIZE 9
    
    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;
    #define USB_INTERFACE_ASSOC_DESCRIPTOR_SIZE 8
    
    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
    #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;
    #define UE_GET_TRANS(a)	(((a) >> 11) & 0x3)
    #define UE_GET_SIZE(a)	((a) & 0x7ff)
    	uByte		bInterval;
    } __packed;
    typedef struct usb_endpoint_descriptor usb_endpoint_descriptor_t;
    #define USB_ENDPOINT_DESCRIPTOR_SIZE 7
    
    struct usb_endpoint_ss_comp_descriptor {
    	uByte		bLength;
    	uByte		bDescriptorType;
    	uByte		bMaxBurst;
    	uByte		bmAttributes;
    #define UCE_BULK_MAX_STREAMS(a)	((a) & 0xff)
    #define UCE_ISOC_MULT(a)	((a) & 0x0c)
    #define UCE_ISOC_SSP_ISO(a)	((a) & 0x80)
    	uWord		wBytesPerInterval;
    } __packed;
    typedef struct usb_endpoint_ss_comp_descriptor
    		usb_endpoint_ss_comp_descriptor_t;
    #define USB_ENDPOINT_SS_COMP_DESCRIPTOR_SIZE 6
    
    /*
     * Note: The length of the USB string descriptor is stored in a one byte
     * value and can therefore be no longer than 255 bytes.  Two bytes are
     * used for the length itself and the descriptor type, a theoretical maximum
     * of 253 bytes is left for the actual string data.  Since the strings are
     * encoded as 2-byte unicode characters, only 252 bytes or 126 two-byte
     * characters can be used.  USB_MAX_STRING_LEN is defined as 127, leaving
     * space for the terminal '\0' character in C strings.
     */
    struct usb_string_descriptor {
    	uByte		bLength;
    	uByte		bDescriptorType;
    	uWord		bString[126];
    } __packed;
    typedef struct usb_string_descriptor usb_string_descriptor_t;
    #define USB_MAX_STRING_LEN 127
    #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
    #define UR_SET_DEPTH		0x0c
    
    /* Hub features */
    #define UHF_C_HUB_LOCAL_POWER	0
    #define UHF_C_HUB_OVER_CURRENT	1
    
    /* Port feature */
    #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
    #define UHF_C_PORT_L1			23
    #define UHF_PORT_DISOWN_TO_1_1		30
    
    /* Super-Speed Port feature */
    #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_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)
    } __packed;
    typedef struct usb_hub_descriptor usb_hub_descriptor_t;
    #define USB_HUB_DESCRIPTOR_SIZE 8
    
    struct usb_hub_ss_descriptor {
    	uByte		bDescLength;
    	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;
    #define USB_HUB_SS_DESCRIPTOR_SIZE 11
    
    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;
    #define USB_DEVICE_QUALIFIER_SIZE 10
    
    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 */
    
    /* Super-Speed port link state values. */
    #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_DISABLED		0x04
    #define UPS_PORT_LS_RX_DETECT		0x05
    #define UPS_PORT_LS_SS_INACTIVE		0x06
    #define UPS_PORT_LS_POLLING		0x07
    #define UPS_PORT_LS_RECOVERY		0x08
    #define UPS_PORT_LS_HOT_RESET		0x09
    #define UPS_PORT_LS_COMP_MOD		0x0a
    #define UPS_PORT_LS_LOOPBACK		0x0b
    #define UPS_PORT_LS_RESUME		0x0f
    #define UPS_PORT_LS_GET(x)		(((x) >> 5) & 0xf)
    #define UPS_PORT_LS_SET(x)		(((x) & 0xf) << 5)
    
    #define UPS_PORT_POWER			0x0100
    #define UPS_PORT_POWER_SS		0x0200	/* USB 3.0 only */
    #define UPS_FULL_SPEED			0x0000
    #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
    #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;
    
    /* 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 UDCLASS_VIDEO		0xef
    #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	 UISUBCLASS_MOBILE_DIRECT_LINE_MODEL	10
    #define	 UISUBCLASS_NETWORK_CONTROL_MODEL	13
    #define	 UISUBCLASS_MOBILE_BROADBAND_INTERFACE_MODEL 14
    #define   UIPROTO_CDC_NOCLASS			0
    #define   UIPROTO_CDC_AT			1
    
    #define UICLASS_HID		0x03
    #define  UISUBCLASS_BOOT	1
    #define  UIPROTO_BOOT_KEYBOARD	1
    #define  UIPROTO_BOOT_MOUSE	2
    
    #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_MBIM		0x02    /* MBIM */
    #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_VIDEO		0x0e
    #define  UISUBCLASS_VIDEOCONTROL		1
    #define  UISUBCLASS_VIDEOSTREAM			2
    #define  UISUBCLASS_VIDEO_IF_COLLECTION		3 
    
    #define UICLASS_DIAGNOSTIC	0xdc
    
    #define UICLASS_WIRELESS	0xe0
    #define  UISUBCLASS_RF			0x01
    #define   UIPROTO_BLUETOOTH		0x01
    #define   UIPROTO_RNDIS			0x03
    
    #define UICLASS_MISC		0xef
    #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 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 100  /* 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;
    	struct usb_config_descriptor ucd_desc;
    };
    
    struct usb_device_cdesc {
    	u_int8_t		udc_bus;
    	u_int8_t		udc_addr;	/* device address */
    	int			udc_config_index;
    	struct usb_config_descriptor udc_desc;
    };
    
    struct usb_interface_desc {
    	int	uid_config_index;
    	int	uid_interface_index;
    	int	uid_alt_index;
    	struct usb_interface_descriptor uid_desc;
    };
    
    struct usb_endpoint_desc {
    	int	ued_config_index;
    	int	ued_interface_index;
    	int	ued_alt_index;
    	int	ued_endpoint_index;
    	struct usb_endpoint_descriptor ued_desc;
    };
    
    struct usb_full_desc {
    	int	ufd_config_index;
    	u_int	ufd_size;
    	u_char	*ufd_data;
    };
    
    struct usb_device_fdesc {
    	u_int8_t	 udf_bus;
    	u_int8_t	 udf_addr;	/* device address */
    	int		 udf_config_index;
    	u_int		 udf_size;
    	u_char		*udf_data;
    };
    
    struct usb_device_ddesc {
    	u_int8_t	udd_bus;
    	u_int8_t	udd_addr;	/* device address */
    	struct usb_device_descriptor udd_desc;
    };
    
    struct usb_string_desc {
    	int	usd_string_index;
    	int	usd_language_id;
    	struct usb_string_descriptor usd_desc;
    };
    
    struct usb_ctl_report_desc {
    	int	ucrd_size;
    	u_char	ucrd_data[1024];	/* filled data size will vary */
    };
    
    #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 */
    	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
    #define USB_SPEED_SUPER	4
    	u_int8_t	udi_port;
    	int		udi_power;	/* power consumption in mA, 0 if selfpowered */
    	int		udi_nports;
    	char		udi_devnames[USB_MAX_DEVNAMES][USB_MAX_DEVNAMELEN];
    	u_int32_t	udi_ports[16];	/* hub only: ports status/change */
    	char		udi_serial[USB_MAX_STRING_LEN];
    };
    
    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_* */
    };
    
    /* USB controller */
    #define USB_REQUEST		_IOWR('U', 1, struct usb_ctl_request)
    #define USB_SETDEBUG		_IOW ('U', 2, unsigned int)
    #define USB_DEVICEINFO		_IOWR('U', 4, struct usb_device_info)
    #define USB_DEVICESTATS		_IOR ('U', 5, struct usb_device_stats)
    #define USB_DEVICE_GET_CDESC	_IOWR('U', 6, struct usb_device_cdesc)
    #define USB_DEVICE_GET_FDESC	_IOWR('U', 7, struct usb_device_fdesc)
    #define USB_DEVICE_GET_DDESC	_IOWR('U', 8, struct usb_device_ddesc)
    
    /* Generic HID device */
    #define USB_GET_REPORT_DESC	_IOR ('U', 21, struct usb_ctl_report_desc)
    #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_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)
    
    #endif /* _USB_H_ */