Annotation of sys/dev/pci/dpt_pci.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: dpt_pci.c,v 1.5 2005/08/09 04:10:11 mickey Exp $ */
! 2: /* $NetBSD: dpt_pci.c,v 1.2 1999/09/29 17:33:02 ad Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1999 Andy Doran <ad@NetBSD.org>
! 6: * All rights reserved.
! 7: *
! 8: * Redistribution and use in source and binary forms, with or without
! 9: * modification, are permitted provided that the following conditions
! 10: * are met:
! 11: * 1. Redistributions of source code must retain the above copyright
! 12: * notice, this list of conditions and the following disclaimer.
! 13: * 2. Redistributions in binary form must reproduce the above copyright
! 14: * notice, this list of conditions and the following disclaimer in the
! 15: * documentation and/or other materials provided with the distribution.
! 16: *
! 17: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
! 18: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 19: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 20: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
! 21: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 22: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 23: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 24: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 25: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 26: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 27: * SUCH DAMAGE.
! 28: *
! 29: */
! 30:
! 31: /*
! 32: * PCI front-end for DPT EATA SCSI driver.
! 33: */
! 34:
! 35: #include <sys/cdefs.h>
! 36: #ifdef __NetBSD__
! 37: __KERNEL_RCSID(0, "$NetBSD: dpt_pci.c,v 1.2 1999/09/29 17:33:02 ad Exp $");
! 38: #endif /* __NetBSD__ */
! 39:
! 40: #include <sys/param.h>
! 41: #include <sys/systm.h>
! 42: #include <sys/kernel.h>
! 43: #include <sys/device.h>
! 44: #include <sys/queue.h>
! 45: #include <sys/proc.h>
! 46:
! 47: #include <machine/endian.h>
! 48: #include <machine/bus.h>
! 49:
! 50: #ifdef __NetBSD__
! 51: #include <dev/scsipi/scsi_all.h>
! 52: #include <dev/scsipi/scsipi_all.h>
! 53: #include <dev/scsipi/scsiconf.h>
! 54: #endif /* __NetBSD__ */
! 55: #ifdef __OpenBSD__
! 56: #include <scsi/scsi_all.h>
! 57: #include <scsi/scsiconf.h>
! 58: #endif /* __OpenBSD__ */
! 59:
! 60: #include <dev/pci/pcidevs.h>
! 61: #include <dev/pci/pcivar.h>
! 62:
! 63: #include <dev/ic/dptreg.h>
! 64: #include <dev/ic/dptvar.h>
! 65:
! 66: #define PCI_CBMA 0x14 /* Configuration base memory address */
! 67: #define PCI_CBIO 0x10 /* Configuration base I/O address */
! 68:
! 69: #ifdef __NetBSD__
! 70: int dpt_pci_match(struct device *, struct cfdata *, void *);
! 71: #endif /* __NetBSD__ */
! 72: #ifdef __OpenBSD__
! 73: int dpt_pci_match(struct device *, void *, void *);
! 74: #endif /* __OpenBSD__ */
! 75: void dpt_pci_attach(struct device *, struct device *, void *);
! 76:
! 77: struct cfattach dpt_pci_ca = {
! 78: sizeof(struct dpt_softc), dpt_pci_match, dpt_pci_attach
! 79: };
! 80:
! 81: int
! 82: dpt_pci_match(parent, match, aux)
! 83: struct device *parent;
! 84: #ifdef __NetBSD__
! 85: struct cfdata *match;
! 86: #endif /* __NetBSD__ */
! 87: #ifdef __OpenBSD__
! 88: void *match;
! 89: #endif /* __OpenBSD__ */
! 90: void *aux;
! 91: {
! 92: struct pci_attach_args *pa = (struct pci_attach_args *) aux;
! 93:
! 94: if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_DPT &&
! 95: PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_DPT_SC_RAID)
! 96: return (1);
! 97:
! 98: return (0);
! 99: }
! 100:
! 101: void
! 102: dpt_pci_attach(parent, self, aux)
! 103: struct device *parent;
! 104: struct device *self;
! 105: void *aux;
! 106: {
! 107: struct pci_attach_args *pa;
! 108: struct dpt_softc *sc;
! 109: pci_chipset_tag_t pc;
! 110: pci_intr_handle_t ih;
! 111: const char *intrstr;
! 112:
! 113: sc = (struct dpt_softc *)self;
! 114: pa = (struct pci_attach_args *)aux;
! 115: pc = pa->pa_pc;
! 116: printf(": ");
! 117:
! 118: if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot,
! 119: &sc->sc_ioh, NULL, NULL, 0)) {
! 120: printf("can't map i/o space\n");
! 121: return;
! 122: }
! 123:
! 124: sc->sc_dmat = pa->pa_dmat;
! 125:
! 126: /* Map and establish the interrupt. */
! 127: if (pci_intr_map(pa, &ih)) {
! 128: printf("can't map interrupt\n");
! 129: return;
! 130: }
! 131: intrstr = pci_intr_string(pc, ih);
! 132: #ifdef __NetBSD__
! 133: sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, dpt_intr, sc);
! 134: #endif /* __NetBSD__ */
! 135: #ifdef __OpenBSD__
! 136: sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, dpt_intr, sc,
! 137: sc->sc_dv.dv_xname);
! 138: #endif /* __OpenBSD__ */
! 139: if (sc->sc_ih == NULL) {
! 140: printf("can't establish interrupt");
! 141: if (intrstr != NULL)
! 142: printf(" at %s", intrstr);
! 143: printf("\n");
! 144: return;
! 145: }
! 146:
! 147: /* Read the EATA configuration */
! 148: if (dpt_readcfg(sc)) {
! 149: printf("%s: readcfg failed - see dpt(4)\n",
! 150: sc->sc_dv.dv_xname);
! 151: return;
! 152: }
! 153:
! 154: /* Now attach to the bus-independant code */
! 155: dpt_init(sc, intrstr);
! 156: }
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