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artsata.c revision 1.1.4.2 
      1 /*	$NetBSD: artsata.c,v 1.1.4.2 2004/08/03 10:49:06 skrll Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2003 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe of Wasabi Systems, Inc.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/param.h>
     40 #include <sys/systm.h>
     41 
     42 #include <dev/pci/pcivar.h>
     43 #include <dev/pci/pcidevs.h>
     44 #include <dev/pci/pciidereg.h>
     45 #include <dev/pci/pciidevar.h>
     46 
     47 static void artisea_chip_map(struct pciide_softc*, struct pci_attach_args *);
     48 
     49 static int  artsata_match(struct device *, struct cfdata *, void *);
     50 static void artsata_attach(struct device *, struct device *, void *);
     51 
     52 static const struct pciide_product_desc pciide_artsata_products[] =  {
     53 	{ PCI_PRODUCT_INTEL_31244,
     54 	  0,
     55 	  "Intel 31244 Serial ATA Controller",
     56 	  artisea_chip_map,
     57 	},
     58 	{ 0,
     59 	  0,
     60 	  NULL,
     61 	  NULL
     62 	}
     63 };
     64 
     65 CFATTACH_DECL(artsata, sizeof(struct pciide_softc),
     66     artsata_match, artsata_attach, NULL, NULL);
     67 
     68 static int
     69 artsata_match(struct device *parent, struct cfdata *match, void *aux)
     70 {
     71 	struct pci_attach_args *pa = aux;
     72 
     73 	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INTEL) {
     74 		if (pciide_lookup_product(pa->pa_id, pciide_artsata_products))
     75 			return (2);
     76 	}
     77 	return (0);
     78 }
     79 
     80 static void
     81 artsata_attach(struct device *parent, struct device *self, void *aux)
     82 {
     83 	struct pci_attach_args *pa = aux;
     84 	struct pciide_softc *sc = (struct pciide_softc *)self;
     85 
     86 	pciide_common_attach(sc, pa,
     87 	    pciide_lookup_product(pa->pa_id, pciide_artsata_products));
     88 
     89 }
     90 
     91 static void
     92 artisea_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
     93 {
     94 	struct pciide_channel *cp;
     95 	bus_size_t cmdsize, ctlsize;
     96 	pcireg_t interface;
     97 	int channel;
     98 
     99 	if (pciide_chipen(sc, pa) == 0)
    100 		return;
    101 
    102 	aprint_normal("%s: bus-master DMA support present",
    103 	    sc->sc_wdcdev.sc_dev.dv_xname);
    104 #ifndef PCIIDE_I31244_ENABLEDMA
    105 	if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_31244 &&
    106 	    PCI_REVISION(pa->pa_class) == 0) {
    107 		aprint_normal(" but disabled due to rev. 0");
    108 		sc->sc_dma_ok = 0;
    109 	} else
    110 #endif
    111 		pciide_mapreg_dma(sc, pa);
    112 	aprint_normal("\n");
    113 
    114 	/*
    115 	 * XXX Configure LEDs to show activity.
    116 	 */
    117 
    118 	sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
    119 	    WDC_CAPABILITY_MODE;
    120 	sc->sc_wdcdev.PIO_cap = 4;
    121 	if (sc->sc_dma_ok) {
    122 		sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA;
    123 		sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK;
    124 		sc->sc_wdcdev.irqack = pciide_irqack;
    125 		sc->sc_wdcdev.DMA_cap = 2;
    126 		sc->sc_wdcdev.UDMA_cap = 6;
    127 	}
    128 	sc->sc_wdcdev.set_modes = sata_setup_channel;
    129 
    130 	sc->sc_wdcdev.channels = sc->wdc_chanarray;
    131 	sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
    132 
    133 	interface = PCI_INTERFACE(pa->pa_class);
    134 
    135 	for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
    136 		cp = &sc->pciide_channels[channel];
    137 		if (pciide_chansetup(sc, channel, interface) == 0)
    138 			continue;
    139 		pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
    140 		    pciide_pci_intr);
    141 	}
    142 }
    143