Annotation of sys/dev/pci/iha_pci.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: iha_pci.c,v 1.11 2006/11/29 00:56:51 dlg Exp $ */
! 2: /*-------------------------------------------------------------------------
! 3: *
! 4: * Device driver for the INI-9XXXU/UW or INIC-940/950 PCI SCSI Controller.
! 5: *
! 6: * Written for 386bsd and FreeBSD by
! 7: * Winston Hung <winstonh@initio.com>
! 8: *
! 9: * Copyright (c) 1997-1999 Initio Corp
! 10: * Copyright (c) 2000-2002 Ken Westerback
! 11: *
! 12: * Redistribution and use in source and binary forms, with or without
! 13: * modification, are permitted provided that the following conditions
! 14: * are met:
! 15: * 1. Redistributions of source code must retain the above copyright
! 16: * notice, this list of conditions and the following disclaimer,
! 17: * without modification, immediately at the beginning of the file.
! 18: * 2. 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: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 22: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 23: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 24: * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
! 25: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
! 26: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
! 27: * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 28: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
! 29: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
! 30: * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
! 31: * THE POSSIBILITY OF SUCH DAMAGE.
! 32: *
! 33: *-------------------------------------------------------------------------
! 34: */
! 35: #include <sys/param.h>
! 36: #include <sys/systm.h>
! 37: #include <sys/device.h>
! 38:
! 39: #include <dev/pci/pcidevs.h>
! 40: #include <dev/pci/pcivar.h>
! 41:
! 42: #include <scsi/scsi_all.h>
! 43: #include <scsi/scsiconf.h>
! 44:
! 45: #include <dev/ic/iha.h>
! 46:
! 47: int iha_pci_probe(struct device *, void *, void *);
! 48: void iha_pci_attach(struct device *, struct device *, void *);
! 49:
! 50: struct cfattach iha_pci_ca = {
! 51: sizeof(struct iha_softc), iha_pci_probe, iha_pci_attach
! 52: };
! 53:
! 54: int
! 55: iha_pci_probe(parent, match, aux)
! 56: struct device *parent;
! 57: void *match;
! 58: void *aux;
! 59: {
! 60: struct pci_attach_args *pa = aux;
! 61:
! 62: if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INITIO)
! 63: switch (PCI_PRODUCT(pa->pa_id)) {
! 64: case PCI_PRODUCT_INITIO_INIC940:
! 65: case PCI_PRODUCT_INITIO_INIC950:
! 66: return (1);
! 67: }
! 68:
! 69: if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_DTCTECH)
! 70: switch (PCI_PRODUCT(pa->pa_id)) {
! 71: case PCI_PRODUCT_DTCTECH_DMX3194U:
! 72: return (1);
! 73: }
! 74:
! 75: return (0);
! 76: }
! 77:
! 78: void
! 79: iha_pci_attach(parent, self, aux)
! 80: struct device *parent;
! 81: struct device *self;
! 82: void *aux;
! 83: {
! 84: struct pci_attach_args *pa = aux;
! 85: struct scsibus_attach_args saa;
! 86: bus_space_handle_t ioh;
! 87: pci_intr_handle_t ih;
! 88: struct iha_softc *sc = (void *)self;
! 89: bus_space_tag_t iot;
! 90: const char *intrstr;
! 91: int ioh_valid;
! 92:
! 93: /*
! 94: * XXX - Tried memory mapping (using code from adw and ahc)
! 95: * rather that IO mapping, but it didn't work at all..
! 96: */
! 97: ioh_valid = pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0,
! 98: &iot, &ioh, NULL, NULL, 0);
! 99:
! 100: if (ioh_valid != 0) {
! 101: printf("%s: unable to map registers\n", sc->sc_dev.dv_xname);
! 102: return;
! 103: }
! 104:
! 105: sc->sc_iot = iot;
! 106: sc->sc_ioh = ioh;
! 107: sc->sc_dmat = pa->pa_dmat;
! 108:
! 109: if (pci_intr_map(pa, &ih)) {
! 110: printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
! 111: return;
! 112: }
! 113: intrstr = pci_intr_string(pa->pa_pc, ih);
! 114:
! 115: sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, iha_intr, sc,
! 116: sc->sc_dev.dv_xname);
! 117:
! 118: if (sc->sc_ih == NULL) {
! 119: printf(": couldn't establish interrupt");
! 120: if (intrstr != NULL)
! 121: printf(" at %s", intrstr);
! 122: printf("\n");
! 123: } else {
! 124: if (intrstr != NULL)
! 125: printf(": %s\n", intrstr);
! 126:
! 127: if (iha_init_tulip(sc) == 0) {
! 128: bzero(&saa, sizeof(saa));
! 129: saa.saa_sc_link = &sc->sc_link;
! 130: config_found(&sc->sc_dev, &saa, scsiprint);
! 131: }
! 132: }
! 133: }
CVSweb