/*- * Copyright (c) 1998 - 2008 Søren Schmidt * 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. * * 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 __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* local prototypes */ static int ata_acard_chipinit(device_t dev); static int ata_acard_ch_attach(device_t dev); static int ata_acard_status(device_t dev); static int ata_acard_850_setmode(device_t dev, int target, int mode); static int ata_acard_86X_setmode(device_t dev, int target, int mode); /* misc defines */ #define ATP_OLD 1 /* * Acard chipset support functions */ static int ata_acard_probe(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(dev); static const struct ata_chip_id ids[] = {{ ATA_ATP850R, 0, ATP_OLD, 0x00, ATA_UDMA2, "ATP850" }, { ATA_ATP860A, 0, 0, 0x00, ATA_UDMA4, "ATP860A" }, { ATA_ATP860R, 0, 0, 0x00, ATA_UDMA4, "ATP860R" }, { ATA_ATP865A, 0, 0, 0x00, ATA_UDMA6, "ATP865A" }, { ATA_ATP865R, 0, 0, 0x00, ATA_UDMA6, "ATP865R" }, { 0, 0, 0, 0, 0, 0}}; if (pci_get_vendor(dev) != ATA_ACARD_ID) return ENXIO; if (!(ctlr->chip = ata_match_chip(dev, ids))) return ENXIO; ata_set_desc(dev); ctlr->chipinit = ata_acard_chipinit; return (BUS_PROBE_LOW_PRIORITY); } static int ata_acard_chipinit(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(dev); if (ata_setup_interrupt(dev, ata_generic_intr)) return ENXIO; ctlr->ch_attach = ata_acard_ch_attach; ctlr->ch_detach = ata_pci_ch_detach; if (ctlr->chip->cfg1 == ATP_OLD) { ctlr->setmode = ata_acard_850_setmode; /* Work around the lack of channel serialization in ATA_CAM. */ ctlr->channels = 1; device_printf(dev, "second channel ignored\n"); } else ctlr->setmode = ata_acard_86X_setmode; return 0; } static int ata_acard_ch_attach(device_t dev) { struct ata_channel *ch = device_get_softc(dev); /* setup the usual register normal pci style */ if (ata_pci_ch_attach(dev)) return ENXIO; ch->hw.status = ata_acard_status; ch->flags |= ATA_NO_ATAPI_DMA; return 0; } static int ata_acard_status(device_t dev) { struct ata_channel *ch = device_get_softc(dev); if (ch->dma.flags & ATA_DMA_ACTIVE) { int bmstat = ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK; if ((bmstat & (ATA_BMSTAT_ACTIVE | ATA_BMSTAT_INTERRUPT)) != ATA_BMSTAT_INTERRUPT) return 0; ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, bmstat & ~ATA_BMSTAT_ERROR); DELAY(1); ATA_IDX_OUTB(ch, ATA_BMCMD_PORT, ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP); DELAY(1); } if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY) { DELAY(100); if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY) return 0; } return 1; } static int ata_acard_850_setmode(device_t dev, int target, int mode) { device_t parent = device_get_parent(dev); struct ata_pci_controller *ctlr = device_get_softc(parent); struct ata_channel *ch = device_get_softc(dev); int devno = (ch->unit << 1) + target; mode = min(mode, ctlr->chip->max_dma); /* XXX SOS missing WDMA0+1 + PIO modes */ if (mode >= ATA_WDMA2) { u_int8_t reg54 = pci_read_config(parent, 0x54, 1); reg54 &= ~(0x03 << (devno << 1)); if (mode >= ATA_UDMA0) reg54 |= (((mode & ATA_MODE_MASK) + 1) << (devno << 1)); pci_write_config(parent, 0x54, reg54, 1); pci_write_config(parent, 0x4a, 0xa6, 1); pci_write_config(parent, 0x40 + (devno << 1), 0x0301, 2); } /* we could set PIO mode timings, but we assume the BIOS did that */ return (mode); } static int ata_acard_86X_setmode(device_t dev, int target, int mode) { device_t parent = device_get_parent(dev); struct ata_pci_controller *ctlr = device_get_softc(parent); struct ata_channel *ch = device_get_softc(dev); int devno = (ch->unit << 1) + target; mode = min(mode, ctlr->chip->max_dma); /* XXX SOS missing WDMA0+1 + PIO modes */ if (mode >= ATA_WDMA2) { u_int16_t reg44 = pci_read_config(parent, 0x44, 2); reg44 &= ~(0x000f << (devno << 2)); if (mode >= ATA_UDMA0) reg44 |= (((mode & ATA_MODE_MASK) + 1) << (devno << 2)); pci_write_config(parent, 0x44, reg44, 2); pci_write_config(parent, 0x4a, 0xa6, 1); pci_write_config(parent, 0x40 + devno, 0x31, 1); } /* we could set PIO mode timings, but we assume the BIOS did that */ return (mode); } ATA_DECLARE_DRIVER(ata_acard);