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uhidev.h revision 1.14 
      1 /*	$NetBSD: uhidev.h,v 1.14 2013/09/26 07:25:31 skrll Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Lennart Augustsson (lennart (at) augustsson.net) at
      9  * Carlstedt Research & Technology.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     30  * POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 
     34 #include <sys/rnd.h>
     35 
     36 struct uhidev_softc {
     37 	device_t sc_dev;		/* base device */
     38 	usbd_device_handle sc_udev;
     39 	usbd_interface_handle sc_iface;	/* interface */
     40 	usbd_pipe_handle sc_ipipe;	/* input interrupt pipe */
     41 	int sc_iep_addr;
     42 
     43 	u_char *sc_ibuf;
     44 	u_int sc_isize;
     45 
     46 	usbd_pipe_handle sc_opipe;	/* output interrupt pipe */
     47 	usbd_xfer_handle sc_oxfer;	/* write request */
     48 	int sc_oep_addr;
     49 
     50 	void *sc_repdesc;
     51 	int sc_repdesc_size;
     52 
     53 	u_int sc_nrepid;
     54 	device_t *sc_subdevs;
     55 
     56 	u_char sc_dying;
     57 
     58 	kmutex_t sc_lock;		/* protects writes to sc_state */
     59 };
     60 
     61 struct uhidev {
     62 	device_t sc_dev;		/* base device */
     63 	struct uhidev_softc *sc_parent;
     64 	uByte sc_report_id;
     65 	u_int8_t sc_state;
     66 	int sc_in_rep_size;
     67 #define	UHIDEV_OPEN	0x01	/* device is open */
     68 	void (*sc_intr)(struct uhidev *, void *, u_int);
     69         krndsource_t     rnd_source;
     70 };
     71 
     72 struct uhidev_attach_arg {
     73 	struct usbif_attach_arg *uaa;
     74 	struct uhidev_softc *parent;
     75 	int reportid;
     76 	int reportsize;
     77 };
     78 
     79 void uhidev_get_report_desc(struct uhidev_softc *, void **, int *);
     80 int uhidev_open(struct uhidev *);
     81 void uhidev_close(struct uhidev *);
     82 usbd_status uhidev_set_report(struct uhidev *, int, void *, int);
     83 usbd_status uhidev_get_report(struct uhidev *, int, void *, int);
     84 usbd_status uhidev_write(struct uhidev_softc *, void *, int);
     85