FreeBSD/Linux Kernel Cross Reference
sys/dev/raid/pst/pst-pci.c

     /*-
      * Copyright (c) 2001,2002 Søren Schmidt <sos@FreeBSD.org>
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer,
     *    without modification, immediately at the beginning of the file.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. The name of the author may not be used to endorse or promote products
     *    derived from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     *
     * $FreeBSD: src/sys/dev/pst/pst-pci.c,v 1.1.2.1 2002/08/18 12:32:36 sos Exp $
     */
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/kernel.h>
    #include <sys/module.h>
    #include <sys/bus.h>
    #include <sys/buf.h>
    #include <sys/malloc.h>
    #include <sys/rman.h>
    
    #include <vm/vm.h>
    #include <vm/pmap.h>
    
    #include <machine/stdarg.h>
    
    #include <bus/pci/pcivar.h>
    #include <bus/pci/pcireg.h>
    
    #include "pst-iop.h"
    
    static int
    iop_pci_probe(device_t dev)
    {
        /* tested with actual hardware kindly donated by Promise */
        if (pci_get_devid(dev) == 0x19628086 && pci_get_subvendor(dev) == 0x105a) {
            device_set_desc(dev, "Promise SuperTrak SX6000 ATA RAID controller");
            return 0;
        } 
    
        /* this should work as well (not tested no hardware) */
        if (pci_get_devid(dev) == 0x09628086 && pci_get_subvendor(dev) == 0x105a) {
            device_set_desc(dev, "Promise SuperTrak 100 ATA RAID controller");
            return 0;
        } 
    
        return ENXIO;
    }
    
    static int
    iop_pci_attach(device_t dev)
    {
        struct iop_softc *sc = device_get_softc(dev);
        int rid;
    
        bzero(sc, sizeof(struct iop_softc));
    
        /* get resources */
        rid = 0x10;
        sc->r_mem = 
            bus_alloc_resource(dev, SYS_RES_MEMORY, &rid, 0, ~0, 1, RF_ACTIVE);
    
        if (!sc->r_mem)
            return 0;
    
        rid = 0x00;
        sc->r_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0,
                                       1, RF_SHAREABLE | RF_ACTIVE);
    
        /* now setup the infrastructure to talk to the device */
        pci_write_config(dev, PCIR_COMMAND,
                         pci_read_config(dev, PCIR_COMMAND, 1) |
                         PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN, 1);
    
        sc->ibase = rman_get_virtual(sc->r_mem);
        sc->phys_ibase = vtophys(sc->ibase);
        sc->reg = (struct i2o_registers *)sc->ibase;
        sc->dev = dev;
    
        if (!iop_init(sc))
            return 0;
   
       return bus_generic_attach(dev);
   }
   
   static device_method_t pst_pci_methods[] = {
       DEVMETHOD(device_probe,             iop_pci_probe),
       DEVMETHOD(device_attach,            iop_pci_attach),
       DEVMETHOD_END
   };
   
   static driver_t pst_pci_driver = {
       "pstpci",
       pst_pci_methods,
       sizeof(struct iop_softc),
   };
   
   static devclass_t pst_pci_devclass;
   
   DRIVER_MODULE(pstpci, pci, pst_pci_driver, pst_pci_devclass, NULL, NULL);

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