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      1 /*	$NetBSD: spc.c,v 1.35 2008/12/18 05:56:42 isaki 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 Jarle Greipsland, Charles M. Hannum and Masaru Oki.
      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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: spc.c,v 1.35 2008/12/18 05:56:42 isaki Exp $");
     34 
     35 #include "opt_ddb.h"
     36 
     37 #include <sys/param.h>
     38 #include <sys/systm.h>
     39 #include <sys/kernel.h>
     40 #include <sys/device.h>
     41 
     42 #include <machine/bus.h>
     43 #include <machine/cpu.h>
     44 
     45 #include <dev/scsipi/scsi_all.h>
     46 #include <dev/scsipi/scsipi_all.h>
     47 #include <dev/scsipi/scsiconf.h>
     48 
     49 #include <arch/x68k/dev/intiovar.h>
     50 #include <arch/x68k/dev/scsiromvar.h>
     51 #include <arch/x68k/x68k/iodevice.h>
     52 
     53 #include <dev/ic/mb89352var.h>
     54 #include <dev/ic/mb89352reg.h>
     55 
     56 static int spc_intio_match(device_t, cfdata_t, void *);
     57 static void spc_intio_attach(device_t, device_t, void *);
     58 
     59 CFATTACH_DECL_NEW(spc_intio, sizeof(struct spc_softc),
     60     spc_intio_match, spc_intio_attach, NULL, NULL);
     61 
     62 static int
     63 spc_intio_match(device_t parent, cfdata_t cf, void *aux)
     64 {
     65 	struct intio_attach_args *ia = aux;
     66 	bus_space_tag_t iot = ia->ia_bst;
     67 	bus_space_handle_t ioh;
     68 
     69 	ia->ia_size = 0x20;
     70 
     71 	if (intio_map_allocate_region(device_parent(parent), ia,
     72 				      INTIO_MAP_TESTONLY) < 0)
     73 		return 0;
     74 
     75 	if (bus_space_map(iot, ia->ia_addr, 0x20, BUS_SPACE_MAP_SHIFTED,
     76 			  &ioh) < 0)
     77 		return 0;
     78 	if (badaddr((void *)IIOV(ia->ia_addr + BDID)))
     79 		return 0;
     80 	bus_space_unmap(iot, ioh, 0x20);
     81 
     82 	return 1;
     83 }
     84 
     85 static void
     86 spc_intio_attach(device_t parent, device_t self, void *aux)
     87 {
     88 	struct spc_softc *sc = device_private(self);
     89 	struct intio_attach_args *ia = aux;
     90 	bus_space_tag_t iot = ia->ia_bst;
     91 	bus_space_handle_t ioh;
     92 
     93 	sc->sc_dev = self;
     94 
     95 	intio_map_allocate_region(device_parent(parent), ia,
     96 				  INTIO_MAP_ALLOCATE);
     97 	if (bus_space_map(iot, ia->ia_addr, 0x20, BUS_SPACE_MAP_SHIFTED,
     98 			  &ioh)) {
     99 		aprint_error(": can't map i/o space\n");
    100 		return;
    101 	}
    102 	aprint_normal("\n");
    103 
    104 	sc->sc_iot = iot;
    105 	sc->sc_ioh = ioh;
    106 	sc->sc_initiator = IODEVbase->io_sram[0x70] & 0x7; /* XXX */
    107 
    108 	if (intio_intr_establish(ia->ia_intr, "spc", spc_intr, sc))
    109 		panic("spcattach: interrupt vector busy");
    110 
    111 	spc_attach(sc);
    112 }
    113