FreeBSD/Linux Kernel Cross Reference
sys/dev/pci/artsata.c

     /*      $NetBSD: artsata.c,v 1.1 2003/12/14 01:32:02 thorpej Exp $      */
     
     /*-
      * Copyright (c) 2003 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Jason R. Thorpe of Wasabi Systems, Inc.
      *
     * 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.
     * 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. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by the NetBSD
     *      Foundation, Inc. and its contributors.
     * 4. Neither the name of The NetBSD Foundation nor the names of its
     *    contributors may be used to endorse or promote products derived
     *    from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     * ``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 FOUNDATION OR CONTRIBUTORS
     * 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.
     */
    
    #include <sys/param.h>
    #include <sys/systm.h>
    
    #include <dev/pci/pcivar.h>
    #include <dev/pci/pcidevs.h>
    #include <dev/pci/pciidereg.h>
    #include <dev/pci/pciidevar.h>
    
    static void artisea_chip_map(struct pciide_softc*, struct pci_attach_args *);
    
    static int  artsata_match(struct device *, struct cfdata *, void *);
    static void artsata_attach(struct device *, struct device *, void *);
    
    static const struct pciide_product_desc pciide_artsata_products[] =  {
            { PCI_PRODUCT_INTEL_31244,
              0,
              "Intel 31244 Serial ATA Controller",
              artisea_chip_map,
            },
            { 0,
              0,
              NULL,
              NULL
            }
    };
    
    CFATTACH_DECL(artsata, sizeof(struct pciide_softc),
        artsata_match, artsata_attach, NULL, NULL);
    
    static int
    artsata_match(struct device *parent, struct cfdata *match, void *aux)
    {
            struct pci_attach_args *pa = aux;
    
            if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INTEL) {
                    if (pciide_lookup_product(pa->pa_id, pciide_artsata_products))
                            return (2);
            }
            return (0);
    }
    
    static void
    artsata_attach(struct device *parent, struct device *self, void *aux)
    {
            struct pci_attach_args *pa = aux;
            struct pciide_softc *sc = (struct pciide_softc *)self;
    
            pciide_common_attach(sc, pa,
                pciide_lookup_product(pa->pa_id, pciide_artsata_products));
    
    }
    
    static void
    artisea_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
    {
            struct pciide_channel *cp;
            bus_size_t cmdsize, ctlsize;
            pcireg_t interface;
            int channel;
    
            if (pciide_chipen(sc, pa) == 0)
                   return;
   
           aprint_normal("%s: bus-master DMA support present",
               sc->sc_wdcdev.sc_dev.dv_xname);
   #ifndef PCIIDE_I31244_ENABLEDMA
           if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_31244 &&
               PCI_REVISION(pa->pa_class) == 0) {
                   aprint_normal(" but disabled due to rev. 0");
                   sc->sc_dma_ok = 0;
           } else
   #endif
                   pciide_mapreg_dma(sc, pa);
           aprint_normal("\n");
   
           /*
            * XXX Configure LEDs to show activity.
            */
   
           sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
               WDC_CAPABILITY_MODE;
           sc->sc_wdcdev.PIO_cap = 4;
           if (sc->sc_dma_ok) {
                   sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA;
                   sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK;
                   sc->sc_wdcdev.irqack = pciide_irqack;
                   sc->sc_wdcdev.DMA_cap = 2;
                   sc->sc_wdcdev.UDMA_cap = 6;
           }
           sc->sc_wdcdev.set_modes = sata_setup_channel;
   
           sc->sc_wdcdev.channels = sc->wdc_chanarray;
           sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
   
           interface = PCI_INTERFACE(pa->pa_class);
   
           for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
                   cp = &sc->pciide_channels[channel];
                   if (pciide_chansetup(sc, channel, interface) == 0)
                           continue;
                   pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
                       pciide_pci_intr);
           }
   }

Cache object: 65532b956d050d261b06141674a2a1ea