Annotation of sys/dev/pci/bha_pci.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: bha_pci.c,v 1.8 2007/04/10 17:47:55 miod Exp $ */
! 2: /* $NetBSD: bha_pci.c,v 1.16 1998/08/15 10:10:53 mycroft Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 1998 The NetBSD Foundation, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to The NetBSD Foundation
! 9: * by Charles M. Hannum.
! 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: #include <sys/types.h>
! 41: #include <sys/param.h>
! 42: #include <sys/systm.h>
! 43: #include <sys/device.h>
! 44:
! 45: #include <machine/bus.h>
! 46: #include <machine/intr.h>
! 47:
! 48: #include <scsi/scsi_all.h>
! 49: #include <scsi/scsiconf.h>
! 50:
! 51: #include <dev/pci/pcivar.h>
! 52: #include <dev/pci/pcidevs.h>
! 53:
! 54: #include <dev/ic/bhareg.h>
! 55: #include <dev/ic/bhavar.h>
! 56:
! 57: #define PCI_CBIO 0x10
! 58:
! 59: int bha_pci_match(struct device *, void *, void *);
! 60: void bha_pci_attach(struct device *, struct device *, void *);
! 61:
! 62: struct cfattach bha_pci_ca = {
! 63: sizeof(struct bha_softc), bha_pci_match, bha_pci_attach
! 64: };
! 65:
! 66: const struct pci_matchid bha_pci_devices[] = {
! 67: { PCI_VENDOR_BUSLOGIC, PCI_PRODUCT_BUSLOGIC_MULTIMASTER_NC },
! 68: { PCI_VENDOR_BUSLOGIC, PCI_PRODUCT_BUSLOGIC_MULTIMASTER },
! 69: };
! 70:
! 71: /*
! 72: * Check the slots looking for a board we recognise
! 73: * If we find one, note its address (slot) and call
! 74: * the actual probe routine to check it out.
! 75: */
! 76: int
! 77: bha_pci_match(parent, match, aux)
! 78: struct device *parent;
! 79: void *match, *aux;
! 80: {
! 81: struct pci_attach_args *pa = aux;
! 82: bus_space_tag_t iot;
! 83: bus_space_handle_t ioh;
! 84: bus_size_t iosize;
! 85: int rv;
! 86:
! 87: if (pci_matchbyid(pa, bha_pci_devices,
! 88: sizeof(bha_pci_devices)/sizeof(bha_pci_devices[0])) == 0)
! 89: return (0);
! 90:
! 91: if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, &iot, &ioh,
! 92: NULL, &iosize, 0))
! 93: return (0);
! 94:
! 95: rv = bha_find(iot, ioh, NULL);
! 96: bus_space_unmap(iot, ioh, iosize);
! 97:
! 98: return (rv);
! 99: }
! 100:
! 101: /*
! 102: * Attach all the sub-devices we can find
! 103: */
! 104: void
! 105: bha_pci_attach(parent, self, aux)
! 106: struct device *parent, *self;
! 107: void *aux;
! 108: {
! 109: struct pci_attach_args *pa = aux;
! 110: struct bha_softc *sc = (void *)self;
! 111: bus_space_tag_t iot;
! 112: bus_space_handle_t ioh;
! 113: bus_size_t iosize;
! 114: struct bha_probe_data bpd;
! 115: pci_chipset_tag_t pc = pa->pa_pc;
! 116: pci_intr_handle_t ih;
! 117: const char *model, *intrstr;
! 118:
! 119: if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BUSLOGIC_MULTIMASTER_NC)
! 120: model = "BusLogic 9xxC SCSI";
! 121: else if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BUSLOGIC_MULTIMASTER)
! 122: model = "BusLogic 9xxC SCSI";
! 123: else
! 124: model = "unknown model!";
! 125:
! 126: if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, &iot, &ioh,
! 127: NULL, &iosize, 0)) {
! 128: printf(": unable to map I/O space\n");
! 129: return;
! 130: }
! 131:
! 132: sc->sc_iot = iot;
! 133: sc->sc_ioh = ioh;
! 134: sc->sc_dmat = pa->pa_dmat;
! 135: if (!bha_find(iot, ioh, &bpd)) {
! 136: printf(": bha_find failed\n");
! 137: bus_space_unmap(iot, ioh, iosize);
! 138: return;
! 139: }
! 140:
! 141: sc->sc_dmaflags = 0;
! 142:
! 143: if (pci_intr_map(pa, &ih)) {
! 144: printf(": couldn't map interrupt\n");
! 145: bus_space_unmap(iot, ioh, iosize);
! 146: return;
! 147: }
! 148: intrstr = pci_intr_string(pc, ih);
! 149: sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, bha_intr, sc,
! 150: sc->sc_dev.dv_xname);
! 151: if (sc->sc_ih == NULL) {
! 152: printf(": couldn't establish interrupt");
! 153: if (intrstr != NULL)
! 154: printf(" at %s", intrstr);
! 155: printf("\n");
! 156: bus_space_unmap(iot, ioh, iosize);
! 157: return;
! 158: }
! 159: printf(": %s, %s\n", intrstr, model);
! 160:
! 161: bha_attach(sc, &bpd);
! 162:
! 163: bha_disable_isacompat(sc);
! 164: }
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