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Annotation of sys/dev/hil/hilvar.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: hilvar.h,v 1.10 2006/11/05 14:39:32 miod Exp $        */
                      2: /*
                      3:  * Copyright (c) 2003, Miodrag Vallat.
                      4:  * All rights reserved.
                      5:  *
                      6:  * Redistribution and use in source and binary forms, with or without
                      7:  * modification, are permitted provided that the following conditions
                      8:  * are met:
                      9:  * 1. Redistributions of source code must retain the above copyright
                     10:  *    notice, this list of conditions and the following disclaimer.
                     11:  * 2. Redistributions in binary form must reproduce the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer in the
                     13:  *    documentation and/or other materials provided with the distribution.
                     14:  *
                     15:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     16:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
                     17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
                     18:  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
                     19:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
                     20:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
                     21:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     22:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
                     23:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
                     24:  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
                     25:  * POSSIBILITY OF SUCH DAMAGE.
                     26:  *
                     27:  */
                     28:
                     29: /*
                     30:  * Copyright (c) 1988 University of Utah.
                     31:  * Copyright (c) 1990, 1993
                     32:  *     The Regents of the University of California.  All rights reserved.
                     33:  *
                     34:  * This code is derived from software contributed to Berkeley by
                     35:  * the Systems Programming Group of the University of Utah Computer
                     36:  * Science Department.
                     37:  *
                     38:  * Redistribution and use in source and binary forms, with or without
                     39:  * modification, are permitted provided that the following conditions
                     40:  * are met:
                     41:  * 1. Redistributions of source code must retain the above copyright
                     42:  *    notice, this list of conditions and the following disclaimer.
                     43:  * 2. Redistributions in binary form must reproduce the above copyright
                     44:  *    notice, this list of conditions and the following disclaimer in the
                     45:  *    documentation and/or other materials provided with the distribution.
                     46:  * 3. Neither the name of the University nor the names of its contributors
                     47:  *    may be used to endorse or promote products derived from this software
                     48:  *    without specific prior written permission.
                     49:  *
                     50:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     51:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     52:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     53:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     54:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     55:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     56:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     57:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     58:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     59:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     60:  * SUCH DAMAGE.
                     61:  *
                     62:  * from: Utah $Hdr: hilvar.h 1.3 92/01/21$
                     63:  *
                     64:  *     @(#)hilvar.h    8.1 (Berkeley) 6/10/93
                     65:  */
                     66:
                     67: #define NHILD          8               /* 7 actual + loop pseudo (dev 0) */
                     68:
                     69: struct hildev_softc;
                     70:
                     71: struct hil_softc {
                     72:        struct device   sc_dev;
                     73:        bus_space_handle_t sc_bsh;
                     74:        bus_space_tag_t sc_bst;
                     75:        int             *sc_console;    /* console path set to hil */
                     76:
                     77:        struct proc     *sc_thread;     /* event handling thread */
                     78:
                     79:        int             sc_cmddone;
                     80:        int             sc_cmdending;
                     81:        u_int           sc_actdev;      /* current input device */
                     82:        u_int           sc_cmddev;      /* device to perform command on */
                     83:        u_int8_t        sc_pollbuf[HILBUFSIZE]; /* interrupt time input buf */
                     84:        u_int8_t        sc_cmdbuf[HILBUFSIZE];
                     85:        u_int8_t        *sc_pollbp;     /* pointer into sc_pollbuf */
                     86:        u_int8_t        *sc_cmdbp;      /* pointer into sc_cmdbuf */
                     87:
                     88:        int             sc_status;      /* initialization status */
                     89: #define        HIL_STATUS_BUSY         0x00
                     90: #define        HIL_STATUS_READY        0x01
                     91:        int             sc_pending;     /* reconfiguration events in progress */
                     92: #define        HIL_PENDING_RECONFIG    0x01
                     93: #define        HIL_PENDING_UNPLUGGED   0x02
                     94:        u_int           sc_maxdev;      /* number of devices on loop */
                     95:        struct hildev_softc *sc_devices[NHILD]; /* interrupt dispatcher */
                     96: };
                     97:
                     98: #ifdef _KERNEL
                     99:
                    100: int    send_hil_cmd(struct hil_softc *, u_int, u_int8_t *, u_int, u_int8_t *);
                    101: int    send_hildev_cmd(struct hildev_softc *, u_int, u_int8_t *, u_int *);
                    102: void   hil_set_poll(struct hil_softc *, int);
                    103: int    hil_poll_data(struct hildev_softc *, u_int8_t *, u_int8_t *);
                    104:
                    105: void   hil_attach(struct hil_softc *, int *);
                    106: void   hil_attach_deferred(void *);
                    107: int    hil_intr(void *);
                    108: int    hildevprint(void *, const char *);
                    109:
                    110: #endif /* _KERNEL */