324 lines
9.4 KiB
C
324 lines
9.4 KiB
C
/* $NetBSD: acardide.c,v 1.6 2003/11/27 23:02:40 fvdl Exp $ */
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/*
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* Copyright (c) 2001 Izumi Tsutsui.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcidevs.h>
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#include <dev/pci/pciidereg.h>
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#include <dev/pci/pciidevar.h>
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#include <dev/pci/pciide_acard_reg.h>
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static void acard_chip_map(struct pciide_softc*, struct pci_attach_args*);
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static void acard_setup_channel(struct channel_softc*);
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#if 0 /* XXX !! */
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static int acard_pci_intr(void *);
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#endif
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static int acardide_match(struct device *, struct cfdata *, void *);
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static void acardide_attach(struct device *, struct device *, void *);
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CFATTACH_DECL(acardide, sizeof(struct pciide_softc),
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acardide_match, acardide_attach, NULL, NULL);
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static const struct pciide_product_desc pciide_acard_products[] = {
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{ PCI_PRODUCT_ACARD_ATP850U,
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0,
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"Acard ATP850U Ultra33 IDE Controller",
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acard_chip_map,
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},
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{ PCI_PRODUCT_ACARD_ATP860,
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0,
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"Acard ATP860 Ultra66 IDE Controller",
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acard_chip_map,
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},
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{ PCI_PRODUCT_ACARD_ATP860A,
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0,
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"Acard ATP860-A Ultra66 IDE Controller",
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acard_chip_map,
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},
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{ PCI_PRODUCT_ACARD_ATP865,
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0,
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"Acard ATP865 Ultra100 IDE Controller",
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acard_chip_map,
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},
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{ PCI_PRODUCT_ACARD_ATP865A,
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0,
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"Acard ATP865-A Ultra100 IDE Controller",
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acard_chip_map,
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},
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{ 0,
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0,
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NULL,
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NULL
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}
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};
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static int
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acardide_match(struct device *parent, struct cfdata *match, void *aux)
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{
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struct pci_attach_args *pa = aux;
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if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ACARD) {
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if (pciide_lookup_product(pa->pa_id, pciide_acard_products))
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return (2);
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}
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return (0);
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}
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static void
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acardide_attach(struct device *parent, struct device *self, void *aux)
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{
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struct pci_attach_args *pa = aux;
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struct pciide_softc *sc = (struct pciide_softc *)self;
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pciide_common_attach(sc, pa,
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pciide_lookup_product(pa->pa_id, pciide_acard_products));
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}
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#define ACARD_IS_850(sc) \
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((sc)->sc_pp->ide_product == PCI_PRODUCT_ACARD_ATP850U)
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static void
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acard_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
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{
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struct pciide_channel *cp;
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int i;
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pcireg_t interface;
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bus_size_t cmdsize, ctlsize;
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if (pciide_chipen(sc, pa) == 0)
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return;
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/*
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* when the chip is in native mode it identifies itself as a
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* 'misc mass storage'. Fake interface in this case.
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*/
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if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) {
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interface = PCI_INTERFACE(pa->pa_class);
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} else {
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interface = PCIIDE_INTERFACE_BUS_MASTER_DMA |
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PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1);
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}
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aprint_normal("%s: bus-master DMA support present",
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sc->sc_wdcdev.sc_dev.dv_xname);
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pciide_mapreg_dma(sc, pa);
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aprint_normal("\n");
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sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
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WDC_CAPABILITY_MODE;
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if (sc->sc_dma_ok) {
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sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA;
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sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK;
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sc->sc_wdcdev.irqack = pciide_irqack;
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}
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sc->sc_wdcdev.PIO_cap = 4;
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sc->sc_wdcdev.DMA_cap = 2;
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switch (sc->sc_pp->ide_product) {
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case PCI_PRODUCT_ACARD_ATP860:
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case PCI_PRODUCT_ACARD_ATP860A:
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sc->sc_wdcdev.UDMA_cap = 4;
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break;
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case PCI_PRODUCT_ACARD_ATP865:
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case PCI_PRODUCT_ACARD_ATP865A:
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sc->sc_wdcdev.UDMA_cap = 5;
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break;
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default:
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sc->sc_wdcdev.UDMA_cap = 2;
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break;
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}
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sc->sc_wdcdev.set_modes = acard_setup_channel;
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sc->sc_wdcdev.channels = sc->wdc_chanarray;
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sc->sc_wdcdev.nchannels = 2;
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for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
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cp = &sc->pciide_channels[i];
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if (pciide_chansetup(sc, i, interface) == 0)
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continue;
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pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
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pciide_pci_intr);
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}
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if (!ACARD_IS_850(sc)) {
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u_int32_t reg;
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reg = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL);
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reg &= ~ATP860_CTRL_INT;
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pci_conf_write(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL, reg);
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}
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}
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static void
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acard_setup_channel(struct channel_softc *chp)
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{
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struct ata_drive_datas *drvp;
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struct pciide_channel *cp = (struct pciide_channel*)chp;
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struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
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int channel = chp->channel;
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int drive;
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u_int32_t idetime, udma_mode;
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u_int32_t idedma_ctl;
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/* setup DMA if needed */
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pciide_channel_dma_setup(cp);
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if (ACARD_IS_850(sc)) {
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idetime = 0;
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udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP850_UDMA);
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udma_mode &= ~ATP850_UDMA_MASK(channel);
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} else {
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idetime = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP860_IDETIME);
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idetime &= ~ATP860_SETTIME_MASK(channel);
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udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP860_UDMA);
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udma_mode &= ~ATP860_UDMA_MASK(channel);
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/* check 80 pins cable */
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if ((chp->ch_drive[0].drive_flags & DRIVE_UDMA) ||
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(chp->ch_drive[1].drive_flags & DRIVE_UDMA)) {
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if (pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL)
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& ATP860_CTRL_80P(chp->channel)) {
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if (chp->ch_drive[0].UDMA_mode > 2)
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chp->ch_drive[0].UDMA_mode = 2;
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if (chp->ch_drive[1].UDMA_mode > 2)
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chp->ch_drive[1].UDMA_mode = 2;
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}
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}
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}
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idedma_ctl = 0;
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/* Per drive settings */
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for (drive = 0; drive < 2; drive++) {
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drvp = &chp->ch_drive[drive];
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/* If no drive, skip */
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if ((drvp->drive_flags & DRIVE) == 0)
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continue;
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/* add timing values, setup DMA if needed */
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if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) &&
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(drvp->drive_flags & DRIVE_UDMA)) {
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/* use Ultra/DMA */
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if (ACARD_IS_850(sc)) {
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idetime |= ATP850_SETTIME(drive,
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acard_act_udma[drvp->UDMA_mode],
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acard_rec_udma[drvp->UDMA_mode]);
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udma_mode |= ATP850_UDMA_MODE(channel, drive,
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acard_udma_conf[drvp->UDMA_mode]);
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} else {
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idetime |= ATP860_SETTIME(channel, drive,
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acard_act_udma[drvp->UDMA_mode],
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acard_rec_udma[drvp->UDMA_mode]);
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udma_mode |= ATP860_UDMA_MODE(channel, drive,
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acard_udma_conf[drvp->UDMA_mode]);
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}
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idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
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} else if ((chp->wdc->cap & WDC_CAPABILITY_DMA) &&
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(drvp->drive_flags & DRIVE_DMA)) {
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/* use Multiword DMA */
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drvp->drive_flags &= ~DRIVE_UDMA;
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if (ACARD_IS_850(sc)) {
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idetime |= ATP850_SETTIME(drive,
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acard_act_dma[drvp->DMA_mode],
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acard_rec_dma[drvp->DMA_mode]);
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} else {
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idetime |= ATP860_SETTIME(channel, drive,
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acard_act_dma[drvp->DMA_mode],
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acard_rec_dma[drvp->DMA_mode]);
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}
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idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
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} else {
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/* PIO only */
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drvp->drive_flags &= ~(DRIVE_UDMA | DRIVE_DMA);
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if (ACARD_IS_850(sc)) {
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idetime |= ATP850_SETTIME(drive,
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acard_act_pio[drvp->PIO_mode],
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acard_rec_pio[drvp->PIO_mode]);
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} else {
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idetime |= ATP860_SETTIME(channel, drive,
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acard_act_pio[drvp->PIO_mode],
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acard_rec_pio[drvp->PIO_mode]);
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}
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pci_conf_write(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL,
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pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL)
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| ATP8x0_CTRL_EN(channel));
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}
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}
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if (idedma_ctl != 0) {
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/* Add software bits in status register */
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bus_space_write_1(sc->sc_dma_iot, cp->dma_iohs[IDEDMA_CTL], 0,
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idedma_ctl);
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}
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if (ACARD_IS_850(sc)) {
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pci_conf_write(sc->sc_pc, sc->sc_tag,
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ATP850_IDETIME(channel), idetime);
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pci_conf_write(sc->sc_pc, sc->sc_tag, ATP850_UDMA, udma_mode);
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} else {
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pci_conf_write(sc->sc_pc, sc->sc_tag, ATP860_IDETIME, idetime);
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pci_conf_write(sc->sc_pc, sc->sc_tag, ATP860_UDMA, udma_mode);
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}
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}
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#if 0 /* XXX !! */
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static int
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acard_pci_intr(void *arg)
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{
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struct pciide_softc *sc = arg;
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struct pciide_channel *cp;
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struct channel_softc *wdc_cp;
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int rv = 0;
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int dmastat, i, crv;
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for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
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cp = &sc->pciide_channels[i];
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dmastat = bus_space_read_1(sc->sc_dma_iot,
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cp->dma_iohs[IDEDMA_CTL], 0);
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if ((dmastat & IDEDMA_CTL_INTR) == 0)
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continue;
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wdc_cp = &cp->wdc_channel;
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if ((wdc_cp->ch_flags & WDCF_IRQ_WAIT) == 0) {
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(void)wdcintr(wdc_cp);
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bus_space_write_1(sc->sc_dma_iot,
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cp->dma_iohs[IDEDMA_CTL], 0, dmastat);
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continue;
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}
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crv = wdcintr(wdc_cp);
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if (crv == 0)
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printf("%s:%d: bogus intr\n",
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sc->sc_wdcdev.sc_dev.dv_xname, i);
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else if (crv == 1)
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rv = 1;
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else if (rv == 0)
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rv = crv;
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}
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return rv;
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}
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#endif
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