/*-
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * 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) || defined(_STANDALONE)
#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 || _STANDALONE */

#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         20      /* 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_ENUM_NICE_TIME              16      /* 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

/* SuperSpeed suspend support */
#define USB_INTERFACE_FUNC_SUSPEND 0
#define USB_INTERFACE_FUNC_SUSPEND_LP   (1 << 8)
#define USB_INTERFACE_FUNC_SUSPEND_RW   (1 << 9)

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 UIPROTO_CDC_EEM                 7

#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 UISUBCLASS_VENDOR       0xff
#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_ */