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Annotation of sys/dev/pci/iha_pci.c, Revision 1.1.1.1

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: }