Return to iha_pci.c CVS log

Up to [local] / sys / dev / pci

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: }