11.2Sjmcneill/* $NetBSD: uhid.h,v 1.2 2025/12/07 19:59:51 jmcneill Exp $ */
21.1Sjmcneill
31.1Sjmcneill/*-
41.1Sjmcneill * Copyright (c) 2025 Jared McNeill <jmcneill@invisible.ca>
51.1Sjmcneill * All rights reserved.
61.1Sjmcneill *
71.1Sjmcneill * Redistribution and use in source and binary forms, with or without
81.1Sjmcneill * modification, are permitted provided that the following conditions
91.1Sjmcneill * are met:
101.1Sjmcneill * 1. Redistributions of source code must retain the above copyright
111.1Sjmcneill *    notice, this list of conditions and the following disclaimer.
121.1Sjmcneill * 2. Redistributions in binary form must reproduce the above copyright
131.1Sjmcneill *    notice, this list of conditions and the following disclaimer in the
141.1Sjmcneill *    documentation and/or other materials provided with the distribution.
151.1Sjmcneill *
161.1Sjmcneill * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
171.1Sjmcneill * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
181.1Sjmcneill * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
191.1Sjmcneill * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
201.1Sjmcneill * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
211.1Sjmcneill * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
221.1Sjmcneill * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
231.1Sjmcneill * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
241.1Sjmcneill * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
251.1Sjmcneill * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
261.1Sjmcneill * SUCH DAMAGE.
271.1Sjmcneill */
281.1Sjmcneill
291.1Sjmcneill#ifndef _DEV_HID_UHID_H_
301.1Sjmcneill#define _DEV_HID_UHID_H_
311.1Sjmcneill
321.1Sjmcneill#include <sys/device.h>
331.1Sjmcneill
341.1Sjmcneill#include <dev/hid/hidev.h>
351.1Sjmcneill
361.1Sjmcneillstruct uhid_softc {
371.1Sjmcneill        device_t sc_dev;
381.2Sjmcneill	struct hidev_tag *sc_hidev;
391.1Sjmcneill        uint8_t sc_report_id;
401.1Sjmcneill	int (*sc_ioctl)(struct uhid_softc *, u_long, void *, int, struct lwp *);
411.1Sjmcneill
421.1Sjmcneill        kmutex_t sc_lock;
431.1Sjmcneill        kcondvar_t sc_cv;
441.1Sjmcneill
451.1Sjmcneill        int sc_isize;
461.1Sjmcneill        int sc_osize;
471.1Sjmcneill        int sc_fsize;
481.1Sjmcneill
491.1Sjmcneill        u_char *sc_obuf;
501.1Sjmcneill
511.1Sjmcneill        struct clist sc_q;      /* protected by sc_lock */
521.1Sjmcneill        struct selinfo sc_rsel;
531.1Sjmcneill        proc_t *sc_async;       /* process that wants SIGIO */
541.1Sjmcneill        void *sc_sih;
551.1Sjmcneill        volatile uint32_t sc_state;     /* driver state */
561.1Sjmcneill#define UHID_IMMED      0x02    /* return read data immediately */
571.1Sjmcneill
581.1Sjmcneill        int sc_raw;
591.1Sjmcneill        enum {
601.1Sjmcneill                UHID_CLOSED,
611.1Sjmcneill                UHID_OPENING,
621.1Sjmcneill                UHID_OPEN,
631.1Sjmcneill        } sc_open;
641.1Sjmcneill        bool sc_closing;
651.1Sjmcneill};
661.1Sjmcneill
671.1Sjmcneillvoid	uhid_attach_common(struct uhid_softc *);
681.1Sjmcneillint	uhid_detach_common(struct uhid_softc *);
691.1Sjmcneill
701.1Sjmcneill#endif /* _DEV_HID_UHID_H_ */
71