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oak.c revision 1.1 
      1 /*	$NetBSD: oak.c,v 1.1 2001/05/26 17:49:46 bjh21 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 Mark Brinicombe of Causality Limited.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 /*
     40  * Oak SCSI 1 driver using the generic NCR5380 driver
     41  */
     42 
     43 #include <sys/param.h>
     44 #include <sys/systm.h>
     45 #include <sys/kernel.h>
     46 #include <sys/device.h>
     47 #include <sys/buf.h>
     48 #include <dev/scsipi/scsi_all.h>
     49 #include <dev/scsipi/scsipi_all.h>
     50 #include <dev/scsipi/scsiconf.h>
     51 
     52 #include <dev/ic/ncr5380reg.h>
     53 #include <dev/ic/ncr5380var.h>
     54 
     55 #include <machine/bootconfig.h>
     56 
     57 #include <dev/podulebus/podulebus.h>
     58 #include <dev/podulebus/podules.h>
     59 
     60 void oak_attach (struct device *, struct device *, void *);
     61 int  oak_match  (struct device *, struct cfdata *, void *);
     62 
     63 /*
     64  * Oak SCSI 1 softc structure.
     65  *
     66  * Contains the generic ncr5380 device node, podule information and
     67  * global information required by the driver.
     68  */
     69 
     70 struct oak_softc {
     71 	struct ncr5380_softc	sc_ncr5380;
     72 };
     73 
     74 struct cfattach oak_ca = {
     75 	sizeof(struct oak_softc), oak_match, oak_attach
     76 };
     77 
     78 /*
     79  * Card probe function
     80  *
     81  * Just match the manufacturer and podule ID's
     82  */
     83 
     84 int
     85 oak_match(struct device *parent, struct cfdata *cf, void *aux)
     86 {
     87 	struct podulebus_attach_args *pa = aux;
     88 
     89 	if (matchpodule(pa, MANUFACTURER_OAK, PODULE_OAK_SCSI, -1) == 0)
     90 		return(0);
     91 
     92 	return(1);
     93 }
     94 
     95 /*
     96  * Card attach function
     97  *
     98  */
     99 
    100 void
    101 oak_attach(struct device *parent, struct device *self, void *aux)
    102 {
    103 	struct oak_softc *sc = (struct oak_softc *)self;
    104 	struct podulebus_attach_args *pa = aux;
    105 	u_char *iobase;
    106 	char hi_option[sizeof(sc->sc_ncr5380.sc_dev.dv_xname) + 8];
    107 
    108 	sc->sc_ncr5380.sc_flags |= NCR5380_FORCE_POLLING;
    109 	sc->sc_ncr5380.sc_min_dma_len = 0;
    110 	sc->sc_ncr5380.sc_no_disconnect = 0xff;
    111 	sc->sc_ncr5380.sc_parity_disable = 0xff;
    112 
    113 	sc->sc_ncr5380.sc_dma_alloc = NULL;
    114 	sc->sc_ncr5380.sc_dma_free = NULL;
    115 	sc->sc_ncr5380.sc_dma_poll = NULL;
    116 	sc->sc_ncr5380.sc_dma_setup = NULL;
    117 	sc->sc_ncr5380.sc_dma_start = NULL;
    118 	sc->sc_ncr5380.sc_dma_eop = NULL;
    119 	sc->sc_ncr5380.sc_dma_stop = NULL;
    120 	sc->sc_ncr5380.sc_intr_on = NULL;
    121 	sc->sc_ncr5380.sc_intr_off = NULL;
    122 
    123 	iobase = (u_char *)pa->pa_mod_base;
    124 	sc->sc_ncr5380.sci_r0 = iobase + 0;
    125 	sc->sc_ncr5380.sci_r1 = iobase + 4;
    126 	sc->sc_ncr5380.sci_r2 = iobase + 8;
    127 	sc->sc_ncr5380.sci_r3 = iobase + 12;
    128 	sc->sc_ncr5380.sci_r4 = iobase + 16;
    129 	sc->sc_ncr5380.sci_r5 = iobase + 20;
    130 	sc->sc_ncr5380.sci_r6 = iobase + 24;
    131 	sc->sc_ncr5380.sci_r7 = iobase + 28;
    132 
    133 	sc->sc_ncr5380.sc_rev = NCR_VARIANT_NCR5380;
    134 
    135 	sc->sc_ncr5380.sc_pio_in = ncr5380_pio_in;
    136 	sc->sc_ncr5380.sc_pio_out = ncr5380_pio_out;
    137 
    138 	/* Provide an override for the host id */
    139 	sc->sc_ncr5380.sc_channel.chan_id = 7;
    140 	sprintf(hi_option, "%s.hostid", sc->sc_ncr5380.sc_dev.dv_xname);
    141 	(void)get_bootconf_option(boot_args, hi_option,
    142 	    BOOTOPT_TYPE_INT, &sc->sc_ncr5380.sc_channel.chan_id);
    143 	sc->sc_ncr5380.sc_adapter.adapt_minphys = minphys;
    144 
    145 	printf(": host=%d, using 8 bit PIO\n",
    146 	    sc->sc_ncr5380.sc_channel.chan_id);
    147 
    148 	ncr5380_attach(&sc->sc_ncr5380);
    149 }
    150