root/sys/dev/usb/uhidev.h
/*      $OpenBSD: uhidev.h,v 1.41 2022/03/21 12:18:52 thfr Exp $        */
/*      $NetBSD: uhidev.h,v 1.3 2002/10/08 09:56:17 dan Exp $   */

/*
 * Copyright (c) 2001 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.
 */

struct uhidev_softc {
        struct device sc_dev;           /* base device */
        struct usbd_device *sc_udev;
        struct usbd_interface *sc_iface;/* interface */
        int sc_ifaceno;                 /* interface number */
        struct usbd_pipe *sc_ipipe;     /* input interrupt pipe */
        struct usbd_xfer *sc_ixfer;     /* read request */
        int sc_iep_addr;

        u_char *sc_ibuf;
        u_int sc_isize;

        struct usbd_pipe *sc_opipe;     /* output interrupt pipe */
        struct usbd_xfer *sc_oxfer;     /* write request */
        struct usbd_xfer *sc_owxfer;    /* internal write request */
        int sc_oep_addr;

        void *sc_repdesc;
        int sc_repdesc_size;

        u_int sc_nrepid;
        struct uhidev **sc_subdevs;

        int sc_refcnt;

        u_int sc_flags;
#define UHIDEV_F_XB1    0x0001          /* Xbox One controller */
};

struct uhidev {
        struct device sc_dev;           /* base device */
        struct usbd_device *sc_udev;    /* USB device */
        struct uhidev_softc *sc_parent;
        uByte sc_report_id;
        u_int8_t sc_state;
#define UHIDEV_OPEN     0x01    /* device is open */
        void (*sc_intr)(struct uhidev *, void *, u_int);

        int sc_isize;
        int sc_osize;
        int sc_fsize;
};

struct uhidev_attach_arg {
        struct usb_attach_arg   *uaa;
        struct uhidev_softc     *parent;
        uint8_t                  reportid;
        u_int                    nreports;
        uint8_t                 *claimed;
};

#define UHIDEV_CLAIM_MULTIPLE_REPORTID(u)       ((u)->claimed != NULL)

int uhidev_report_type_conv(int);
void uhidev_get_report_desc(struct uhidev_softc *, void **, int *);
int uhidev_open(struct uhidev *);
void uhidev_close(struct uhidev *);
int uhidev_ioctl(struct uhidev *, u_long, caddr_t, int, struct proc *);
int uhidev_set_report(struct uhidev_softc *, int, int, void *, int);
int uhidev_set_report_async(struct uhidev_softc *, int, int, void *, int);
int uhidev_get_report(struct uhidev_softc *, int, int, void *, int);
int uhidev_get_report_async(struct uhidev_softc *, int, int, void *, int,
    void *, void (*)(void *, int, void *, int));
usbd_status uhidev_write(struct uhidev_softc *, void *, int);
int uhidev_set_report_dev(struct uhidev_softc *, struct uhidev *, int);