Annotation of sys/dev/isa/aic_isa.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: aic_isa.c,v 1.4 2002/03/14 01:26:56 millert Exp $ */
! 2: /* $NetBSD: aic6360.c,v 1.52 1996/12/10 21:27:51 thorpej Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1994, 1995, 1996 Charles Hannum. 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: * 3. All advertising materials mentioning features or use of this software
! 16: * must display the following acknowledgement:
! 17: * This product includes software developed by Charles M. Hannum.
! 18: * 4. The name of the author may not be used to endorse or promote products
! 19: * derived from this software without specific prior written permission.
! 20: *
! 21: * Copyright (c) 1994 Jarle Greipsland
! 22: * All rights reserved.
! 23: *
! 24: * Redistribution and use in source and binary forms, with or without
! 25: * modification, are permitted provided that the following conditions
! 26: * are met:
! 27: * 1. Redistributions of source code must retain the above copyright
! 28: * notice, this list of conditions and the following disclaimer.
! 29: * 2. Redistributions in binary form must reproduce the above copyright
! 30: * notice, this list of conditions and the following disclaimer in the
! 31: * documentation and/or other materials provided with the distribution.
! 32: * 3. The name of the author may not be used to endorse or promote products
! 33: * derived from this software without specific prior written permission.
! 34: *
! 35: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 36: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
! 37: * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
! 38: * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
! 39: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
! 40: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
! 41: * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 42: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
! 43: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
! 44: * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 45: * POSSIBILITY OF SUCH DAMAGE.
! 46: */
! 47:
! 48: /*
! 49: * Acknowledgements: Many of the algorithms used in this driver are
! 50: * inspired by the work of Julian Elischer (julian@tfs.com) and
! 51: * Charles Hannum (mycroft@duality.gnu.ai.mit.edu). Thanks a million!
! 52: */
! 53:
! 54: #include <sys/types.h>
! 55: #include <sys/param.h>
! 56: #include <sys/systm.h>
! 57: #include <sys/kernel.h>
! 58: #include <sys/errno.h>
! 59: #include <sys/ioctl.h>
! 60: #include <sys/device.h>
! 61: #include <sys/buf.h>
! 62: #include <sys/proc.h>
! 63: #include <sys/user.h>
! 64: #include <sys/queue.h>
! 65:
! 66: #include <machine/bus.h>
! 67: #include <machine/intr.h>
! 68:
! 69: #include <scsi/scsi_all.h>
! 70: #include <scsi/scsi_message.h>
! 71: #include <scsi/scsiconf.h>
! 72:
! 73: #include <dev/isa/isavar.h>
! 74:
! 75: #include <dev/ic/aic6360reg.h>
! 76: #include <dev/ic/aic6360var.h>
! 77:
! 78: int aic_isa_probe(struct device *, void *, void *);
! 79: void aic_isa_attach(struct device *, struct device *, void *);
! 80:
! 81: struct cfattach aic_isa_ca = {
! 82: sizeof(struct aic_softc), aic_isa_probe, aic_isa_attach
! 83: };
! 84:
! 85: /*
! 86: * INITIALIZATION ROUTINES (probe, attach ++)
! 87: */
! 88:
! 89: /*
! 90: * aicprobe: probe for AIC6360 SCSI-controller
! 91: * returns non-zero value if a controller is found.
! 92: */
! 93: int
! 94: aic_isa_probe(parent, match, aux)
! 95: struct device *parent;
! 96: void *match, *aux;
! 97: {
! 98: struct isa_attach_args *ia = aux;
! 99: bus_space_tag_t iot = ia->ia_iot;
! 100: bus_space_handle_t ioh;
! 101: int rv;
! 102:
! 103: if (bus_space_map(iot, ia->ia_iobase, AIC_NPORTS, 0, &ioh))
! 104: return (0);
! 105:
! 106: AIC_TRACE(("aic: probing for aic-chip at port 0x%x\n", ia->ia_iobase));
! 107: rv = aic_find(iot, ioh);
! 108:
! 109: bus_space_unmap(iot, ioh, AIC_NPORTS);
! 110:
! 111: if (rv) {
! 112: ia->ia_msize = 0;
! 113: ia->ia_iosize = AIC_NPORTS;
! 114: }
! 115: return (rv);
! 116: }
! 117:
! 118: /*
! 119: * Attach the AIC6360, fill out some high and low level data structures
! 120: */
! 121: void
! 122: aic_isa_attach(parent, self, aux)
! 123: struct device *parent, *self;
! 124: void *aux;
! 125: {
! 126: struct isa_attach_args *ia = aux;
! 127: bus_space_tag_t iot = ia->ia_iot;
! 128: bus_space_handle_t ioh;
! 129: struct aic_softc *sc = (void *)self;
! 130:
! 131: if (bus_space_map(iot, ia->ia_iobase, AIC_NPORTS, 0, &ioh))
! 132: panic("%s: could not map I/O-ports", sc->sc_dev.dv_xname);
! 133:
! 134: sc->sc_iot = iot;
! 135: sc->sc_ioh = ioh;
! 136:
! 137: printf("\n");
! 138:
! 139: sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE,
! 140: IPL_BIO, aicintr, sc, sc->sc_dev.dv_xname);
! 141:
! 142: aicattach(sc);
! 143: }
! 144:
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