/* $NetBSD: acardide.c,v 1.32 2017/10/07 16:05:33 jdolecek Exp $ */ /*- * Copyright (c) 2001 Izumi Tsutsui. 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. * 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. * * 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. */ #include __KERNEL_RCSID(0, "$NetBSD: acardide.c,v 1.32 2017/10/07 16:05:33 jdolecek Exp $"); #include #include #include #include #include #include #include static void acard_chip_map(struct pciide_softc*, const struct pci_attach_args*); static void acard_setup_channel(struct ata_channel*); #if 0 /* XXX !! */ static int acard_pci_intr(void *); #endif static int acardide_match(device_t, cfdata_t, void *); static void acardide_attach(device_t, device_t, void *); CFATTACH_DECL_NEW(acardide, sizeof(struct pciide_softc), acardide_match, acardide_attach, pciide_detach, NULL); static const struct pciide_product_desc pciide_acard_products[] = { { PCI_PRODUCT_ACARD_ATP850U, 0, "Acard ATP850U Ultra33 IDE Controller", acard_chip_map, }, { PCI_PRODUCT_ACARD_ATP860, 0, "Acard ATP860 Ultra66 IDE Controller", acard_chip_map, }, { PCI_PRODUCT_ACARD_ATP860A, 0, "Acard ATP860-A Ultra66 IDE Controller", acard_chip_map, }, { PCI_PRODUCT_ACARD_ATP865, 0, "Acard ATP865 Ultra133 IDE Controller", acard_chip_map, }, { PCI_PRODUCT_ACARD_ATP865A, 0, "Acard ATP865-A Ultra133 IDE Controller", acard_chip_map, }, { 0, 0, NULL, NULL } }; static int acardide_match(device_t parent, cfdata_t match, void *aux) { struct pci_attach_args *pa = aux; if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ACARD) { if (pciide_lookup_product(pa->pa_id, pciide_acard_products)) return (2); } return (0); } static void acardide_attach(device_t parent, device_t self, void *aux) { struct pci_attach_args *pa = aux; struct pciide_softc *sc = device_private(self); sc->sc_wdcdev.sc_atac.atac_dev = self; pciide_common_attach(sc, pa, pciide_lookup_product(pa->pa_id, pciide_acard_products)); } #define ACARD_IS_850(sc) \ ((sc)->sc_pp->ide_product == PCI_PRODUCT_ACARD_ATP850U) static void acard_chip_map(struct pciide_softc *sc, const struct pci_attach_args *pa) { struct pciide_channel *cp; int i; pcireg_t interface; if (pciide_chipen(sc, pa) == 0) return; /* * when the chip is in native mode it identifies itself as a * 'misc mass storage'. Fake interface in this case. */ if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { interface = PCI_INTERFACE(pa->pa_class); } else { interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); } aprint_verbose_dev(sc->sc_wdcdev.sc_atac.atac_dev, "bus-master DMA support present"); pciide_mapreg_dma(sc, pa); aprint_verbose("\n"); sc->sc_wdcdev.sc_atac.atac_cap = ATAC_CAP_DATA16 | ATAC_CAP_DATA32; if (sc->sc_dma_ok) { sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DMA | ATAC_CAP_UDMA; sc->sc_wdcdev.irqack = pciide_irqack; } sc->sc_wdcdev.sc_atac.atac_pio_cap = 4; sc->sc_wdcdev.sc_atac.atac_dma_cap = 2; switch (sc->sc_pp->ide_product) { case PCI_PRODUCT_ACARD_ATP860: case PCI_PRODUCT_ACARD_ATP860A: sc->sc_wdcdev.sc_atac.atac_udma_cap = 4; break; case PCI_PRODUCT_ACARD_ATP865: case PCI_PRODUCT_ACARD_ATP865A: sc->sc_wdcdev.sc_atac.atac_udma_cap = 6; break; default: sc->sc_wdcdev.sc_atac.atac_udma_cap = 2; break; } sc->sc_wdcdev.sc_atac.atac_set_modes = acard_setup_channel; sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray; sc->sc_wdcdev.sc_atac.atac_nchannels = 2; sc->sc_wdcdev.wdc_maxdrives = 2; wdc_allocate_regs(&sc->sc_wdcdev); for (i = 0; i < sc->sc_wdcdev.sc_atac.atac_nchannels; i++) { cp = &sc->pciide_channels[i]; if (pciide_chansetup(sc, i, interface) == 0) continue; pciide_mapchan(pa, cp, interface, pciide_pci_intr); } if (!ACARD_IS_850(sc)) { u_int32_t reg; reg = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL); reg &= ~ATP860_CTRL_INT; pci_conf_write(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL, reg); } } static void acard_setup_channel(struct ata_channel *chp) { struct ata_drive_datas *drvp; struct atac_softc *atac = chp->ch_atac; struct pciide_channel *cp = CHAN_TO_PCHAN(chp); struct pciide_softc *sc = CHAN_TO_PCIIDE(chp); int channel = chp->ch_channel; int drive, s; u_int32_t idetime, udma_mode; u_int32_t idedma_ctl; /* setup DMA if needed */ pciide_channel_dma_setup(cp); if (ACARD_IS_850(sc)) { idetime = 0; udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP850_UDMA); udma_mode &= ~ATP850_UDMA_MASK(channel); } else { idetime = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP860_IDETIME); idetime &= ~ATP860_SETTIME_MASK(channel); udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP860_UDMA); udma_mode &= ~ATP860_UDMA_MASK(channel); /* check 80 pins cable */ if ((chp->ch_drive[0].drive_flags & ATA_DRIVE_UDMA) || (chp->ch_drive[1].drive_flags & ATA_DRIVE_UDMA)) { if (pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL) & ATP860_CTRL_80P(chp->ch_channel)) { if (chp->ch_drive[0].UDMA_mode > 2) chp->ch_drive[0].UDMA_mode = 2; if (chp->ch_drive[1].UDMA_mode > 2) chp->ch_drive[1].UDMA_mode = 2; } } } idedma_ctl = 0; /* Per drive settings */ for (drive = 0; drive < 2; drive++) { drvp = &chp->ch_drive[drive]; /* If no drive, skip */ if (drvp->drive_type == ATA_DRIVET_NONE) continue; /* add timing values, setup DMA if needed */ if ((atac->atac_cap & ATAC_CAP_UDMA) && (drvp->drive_flags & ATA_DRIVE_UDMA)) { /* use Ultra/DMA */ if (ACARD_IS_850(sc)) { idetime |= ATP850_SETTIME(drive, acard_act_udma[drvp->UDMA_mode], acard_rec_udma[drvp->UDMA_mode]); udma_mode |= ATP850_UDMA_MODE(channel, drive, acard_udma_conf[drvp->UDMA_mode]); } else { idetime |= ATP860_SETTIME(channel, drive, acard_act_udma[drvp->UDMA_mode], acard_rec_udma[drvp->UDMA_mode]); udma_mode |= ATP860_UDMA_MODE(channel, drive, acard_udma_conf[drvp->UDMA_mode]); } idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); } else if ((atac->atac_cap & ATAC_CAP_DMA) && (drvp->drive_flags & ATA_DRIVE_DMA)) { /* use Multiword DMA */ s = splbio(); drvp->drive_flags &= ~ATA_DRIVE_UDMA; splx(s); if (ACARD_IS_850(sc)) { idetime |= ATP850_SETTIME(drive, acard_act_dma[drvp->DMA_mode], acard_rec_dma[drvp->DMA_mode]); } else { idetime |= ATP860_SETTIME(channel, drive, acard_act_dma[drvp->DMA_mode], acard_rec_dma[drvp->DMA_mode]); } idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); } else { /* PIO only */ s = splbio(); drvp->drive_flags &= ~(ATA_DRIVE_UDMA | ATA_DRIVE_DMA); splx(s); if (ACARD_IS_850(sc)) { idetime |= ATP850_SETTIME(drive, acard_act_pio[drvp->PIO_mode], acard_rec_pio[drvp->PIO_mode]); } else { idetime |= ATP860_SETTIME(channel, drive, acard_act_pio[drvp->PIO_mode], acard_rec_pio[drvp->PIO_mode]); } pci_conf_write(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL, pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL) | ATP8x0_CTRL_EN(channel)); } } if (idedma_ctl != 0) { /* Add software bits in status register */ bus_space_write_1(sc->sc_dma_iot, cp->dma_iohs[IDEDMA_CTL], 0, idedma_ctl); } if (ACARD_IS_850(sc)) { pci_conf_write(sc->sc_pc, sc->sc_tag, ATP850_IDETIME(channel), idetime); pci_conf_write(sc->sc_pc, sc->sc_tag, ATP850_UDMA, udma_mode); } else { pci_conf_write(sc->sc_pc, sc->sc_tag, ATP860_IDETIME, idetime); pci_conf_write(sc->sc_pc, sc->sc_tag, ATP860_UDMA, udma_mode); } }