Home | History | Annotate | Line # | Download | only in hil 
      1 /*	$NetBSD: hilvar.h,v 1.3 2022/06/25 02:36:27 tsutsui Exp $	*/
      2 /*	$OpenBSD: hilvar.h,v 1.10 2006/11/05 14:39:32 miod Exp $	*/
      3 /*
      4  * Copyright (c) 2003, Miodrag Vallat.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     19  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
     20  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     21  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     22  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     24  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
     25  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  *
     28  */
     29 
     30 /*
     31  * Copyright (c) 1988 University of Utah.
     32  * Copyright (c) 1990, 1993
     33  *	The Regents of the University of California.  All rights reserved.
     34  *
     35  * This code is derived from software contributed to Berkeley by
     36  * the Systems Programming Group of the University of Utah Computer
     37  * Science Department.
     38  *
     39  * Redistribution and use in source and binary forms, with or without
     40  * modification, are permitted provided that the following conditions
     41  * are met:
     42  * 1. Redistributions of source code must retain the above copyright
     43  *    notice, this list of conditions and the following disclaimer.
     44  * 2. Redistributions in binary form must reproduce the above copyright
     45  *    notice, this list of conditions and the following disclaimer in the
     46  *    documentation and/or other materials provided with the distribution.
     47  * 3. Neither the name of the University nor the names of its contributors
     48  *    may be used to endorse or promote products derived from this software
     49  *    without specific prior written permission.
     50  *
     51  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     52  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     53  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     54  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     55  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     56  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     57  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     58  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     59  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     60  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     61  * SUCH DAMAGE.
     62  *
     63  * from: Utah $Hdr: hilvar.h 1.3 92/01/21$
     64  *
     65  *	@(#)hilvar.h	8.1 (Berkeley) 6/10/93
     66  */
     67 
     68 #include <sys/rndsource.h>
     69 
     70 #define NHILD		8		/* 7 actual + loop pseudo (dev 0) */
     71 
     72 struct hildev_softc;
     73 
     74 struct hil_softc {
     75 	device_t	sc_dev;
     76 	bus_space_handle_t sc_bsh;
     77 	bus_space_tag_t	sc_bst;
     78 	int		*sc_console;	/* console path set to hil */
     79 
     80 	lwp_t		*sc_thread;	/* event handling thread */
     81 
     82 	int		sc_cmddone;
     83 	int		sc_cmdending;
     84 	u_int		sc_actdev;	/* current input device */
     85 	u_int		sc_cmddev;	/* device to perform command on */
     86 	uint8_t		sc_pollbuf[HILBUFSIZE];	/* interrupt time input buf */
     87 	uint8_t		sc_cmdbuf[HILBUFSIZE];
     88 	uint8_t		*sc_pollbp;	/* pointer into sc_pollbuf */
     89 	uint8_t		*sc_cmdbp;	/* pointer into sc_cmdbuf */
     90 
     91 	int		sc_status;	/* initialization status */
     92 #define	HIL_STATUS_BUSY		0x00
     93 #define	HIL_STATUS_READY	0x01
     94 	int		sc_pending;	/* reconfiguration events in progress */
     95 #define	HIL_PENDING_RECONFIG	0x01
     96 #define	HIL_PENDING_UNPLUGGED	0x02
     97 	u_int		sc_maxdev;	/* number of devices on loop */
     98 	device_t	sc_devices[NHILD];	/* interrupt dispatcher */
     99 	krndsource_t	sc_rndsource;
    100 };
    101 
    102 #ifdef _KERNEL
    103 
    104 int	send_hil_cmd(struct hil_softc *, u_int, uint8_t *, u_int, uint8_t *);
    105 int	send_hildev_cmd(struct hildev_softc *, u_int, uint8_t *, u_int *);
    106 void	hil_set_poll(struct hil_softc *, int);
    107 int	hil_poll_data(struct hildev_softc *, uint8_t *, uint8_t *);
    108 
    109 void	hil_attach(struct hil_softc *, int *);
    110 void	hil_attach_deferred(device_t);
    111 int	hil_intr(void *);
    112 int	hildevprint(void *, const char *);
    113 
    114 #endif /* _KERNEL */
    115