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Annotation of sys/dev/tc/asc.c, Revision 1.1.1.1

1.1       nbrk        1: /* $OpenBSD: asc.c,v 1.22 2003/06/05 12:27:02 deraadt Exp $ */
                      2:
                      3: /*-
                      4:  * Copyright (c) 1998 The NetBSD Foundation, Inc.
                      5:  * All rights reserved.
                      6:  *
                      7:  * This code is derived from software contributed to The NetBSD Foundation
                      8:  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
                      9:  * NASA Ames Research Center.
                     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:  * 3. All advertising materials mentioning features or use of this software
                     20:  *    must display the following acknowledgement:
                     21:  *     This product includes software developed by the NetBSD
                     22:  *     Foundation, Inc. and its contributors.
                     23:  * 4. Neither the name of The NetBSD Foundation nor the names of its
                     24:  *    contributors may be used to endorse or promote products derived
                     25:  *    from this software without specific prior written permission.
                     26:  *
                     27:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
                     28:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
                     29:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
                     30:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
                     31:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
                     32:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
                     33:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
                     34:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
                     35:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
                     36:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
                     37:  * POSSIBILITY OF SUCH DAMAGE.
                     38:  */
                     39:
                     40: /*
                     41:  * Copyright (c) 1994 Peter Galbavy.  All rights reserved.
                     42:  *
                     43:  * Redistribution and use in source and binary forms, with or without
                     44:  * modification, are permitted provided that the following conditions
                     45:  * are met:
                     46:  * 1. Redistributions of source code must retain the above copyright
                     47:  *    notice, this list of conditions and the following disclaimer.
                     48:  * 2. Redistributions in binary form must reproduce the above copyright
                     49:  *    notice, this list of conditions and the following disclaimer in the
                     50:  *    documentation and/or other materials provided with the distribution.
                     51:  *
                     52:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     53:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     54:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     55:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     56:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     57:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     58:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     59:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     60:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     61:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     62:  */
                     63:
                     64: #include <sys/param.h>
                     65: #include <sys/systm.h>
                     66: #include <sys/device.h>
                     67: #include <sys/buf.h>
                     68:
                     69: #include <scsi/scsi_all.h>
                     70: #include <scsi/scsiconf.h>
                     71:
                     72: #include <dev/ic/ncr53c9xreg.h>
                     73: #include <dev/ic/ncr53c9xvar.h>
                     74: #include <dev/tc/ascvar.h>
                     75:
                     76: struct cfdriver asc_cd = {
                     77:        NULL, "asc", DV_DULL,
                     78: };
                     79:
                     80: struct scsi_adapter asc_switch = {
                     81:        ncr53c9x_scsi_cmd,
                     82:        minphys,                /* no max at this level; handled by DMA code */
                     83:        NULL,
                     84:        NULL,
                     85: };
                     86:
                     87: struct scsi_device asc_dev = {
                     88:        NULL,                   /* Use default error handler */
                     89:        NULL,                   /* have a queue, served by this */
                     90:        NULL,                   /* have no async handler */
                     91:        NULL,                   /* Use default `done' routine */
                     92: };
                     93:
                     94: /*
                     95:  * Glue functions
                     96:  */
                     97: u_char
                     98: asc_read_reg(sc, reg)
                     99:        struct ncr53c9x_softc *sc;
                    100:        int reg;
                    101: {
                    102:        struct asc_softc *asc = (struct asc_softc *)sc;
                    103:        u_char v;
                    104:
                    105:        v = bus_space_read_4(asc->sc_bst, asc->sc_bsh,
                    106:            reg * sizeof(u_int32_t)) & 0xff;
                    107:
                    108:        return (v);
                    109: }
                    110:
                    111: void
                    112: asc_write_reg(sc, reg, val)
                    113:        struct ncr53c9x_softc *sc;
                    114:        int reg;
                    115:        u_char val;
                    116: {
                    117:        struct asc_softc *asc = (struct asc_softc *)sc;
                    118:
                    119:        bus_space_write_4(asc->sc_bst, asc->sc_bsh,
                    120:            reg * sizeof(u_int32_t), val);
                    121: }
                    122: