Line data    Source code

       1             : /*      $OpenBSD: iha_pci.c,v 1.12 2007/10/18 21:10:58 otto 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           0 : iha_pci_probe(parent, match, aux)
      56             :         struct device *parent;
      57             :         void *match;
      58             :         void *aux;
      59             : {
      60           0 :         struct pci_attach_args *pa = aux;
      61             : 
      62           0 :         if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INITIO)
      63           0 :                 switch (PCI_PRODUCT(pa->pa_id)) {
      64             :                 case PCI_PRODUCT_INITIO_INIC940:
      65             :                 case PCI_PRODUCT_INITIO_INIC941:
      66             :                 case PCI_PRODUCT_INITIO_INIC950:
      67           0 :                         return (1);
      68             :                 }
      69             : 
      70           0 :         if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_DTCTECH)
      71           0 :                 switch (PCI_PRODUCT(pa->pa_id)) {
      72             :                 case PCI_PRODUCT_DTCTECH_DMX3194U:
      73           0 :                         return (1);
      74             :                 }
      75             : 
      76           0 :         return (0);
      77           0 : }
      78             : 
      79             : void
      80           0 : iha_pci_attach(parent, self, aux)
      81             :         struct device *parent;
      82             :         struct device *self;
      83             :         void *aux;
      84             : {
      85           0 :         struct pci_attach_args *pa = aux;
      86           0 :         struct scsibus_attach_args saa;
      87           0 :         bus_space_handle_t ioh;
      88           0 :         pci_intr_handle_t ih;
      89           0 :         struct iha_softc *sc = (void *)self;
      90           0 :         bus_space_tag_t iot;
      91             :         const char *intrstr;
      92             :         int ioh_valid;
      93             :                                 
      94             :         /*
      95             :          * XXX - Tried memory mapping (using code from adw and ahc)
      96             :          *       rather that IO mapping, but it didn't work at all..
      97             :          */
      98           0 :         ioh_valid = pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0,
      99             :             &iot, &ioh, NULL, NULL, 0);
     100             : 
     101           0 :         if (ioh_valid != 0) {
     102           0 :                 printf("%s: unable to map registers\n", sc->sc_dev.dv_xname);
     103           0 :                 return;
     104             :         }
     105             : 
     106           0 :         sc->sc_iot  = iot;
     107           0 :         sc->sc_ioh  = ioh;
     108           0 :         sc->sc_dmat = pa->pa_dmat;
     109             :         
     110           0 :         if (pci_intr_map(pa, &ih)) {
     111           0 :                 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
     112           0 :                 return;
     113             :         }
     114           0 :         intrstr = pci_intr_string(pa->pa_pc, ih);
     115             : 
     116           0 :         sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, iha_intr, sc,
     117           0 :                                        sc->sc_dev.dv_xname);
     118             : 
     119           0 :         if (sc->sc_ih == NULL) {
     120           0 :                 printf(": couldn't establish interrupt");
     121           0 :                 if (intrstr != NULL)
     122           0 :                         printf(" at %s", intrstr);
     123           0 :                 printf("\n");
     124           0 :         } else {
     125           0 :                 if (intrstr != NULL)
     126           0 :                         printf(": %s\n", intrstr);
     127             : 
     128           0 :                 if (iha_init_tulip(sc) == 0) {
     129           0 :                         bzero(&saa, sizeof(saa));
     130           0 :                         saa.saa_sc_link = &sc->sc_link;
     131           0 :                         config_found(&sc->sc_dev, &saa, scsiprint);
     132           0 :                 }
     133             :         }
     134           0 : }