/*- * 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. */ /* local prototypes */ static int ata_acard_chipinit(device_t dev); static int ata_acard_allocate(device_t dev); static int ata_acard_status(device_t dev); static void ata_acard_850_setmode(device_t dev, int mode); static void ata_acard_86X_setmode(device_t dev, int mode); static int ata_serialize(device_t dev, int flags); /* misc defines */ #define ATP_OLD 1 /* * Acard chipset support functions */ int ata_acard_ident(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 0; } 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->allocate = ata_acard_allocate; if (ctlr->chip->cfg1 == ATP_OLD) { ctlr->setmode = ata_acard_850_setmode; ctlr->locking = ata_serialize; } else ctlr->setmode = ata_acard_86X_setmode; return 0; } static int ata_acard_allocate(device_t dev) { struct ata_channel *ch = device_get_softc(dev); /* setup the usual register normal pci style */ if (ata_pci_allocate(dev)) return ENXIO; ch->hw.status = ata_acard_status; return 0; } static int ata_acard_status(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); struct ata_channel *ch = device_get_softc(dev); if (ctlr->chip->cfg1 == ATP_OLD && ATA_LOCKING(ch->dev, ATA_LF_WHICH) != ch->unit) return 0; if (ch->dma && (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 void ata_acard_850_setmode(device_t dev, int mode) { device_t gparent = GRANDPARENT(dev); struct ata_pci_controller *ctlr = device_get_softc(gparent); struct ata_channel *ch = device_get_softc(device_get_parent(dev)); struct ata_device *atadev = device_get_softc(dev); int devno = (ch->unit << 1) + atadev->unit; int error; mode = ata_limit_mode(dev, mode, ata_atapi(dev) ? ATA_PIO_MAX : ctlr->chip->max_dma); /* XXX SOS missing WDMA0+1 + PIO modes */ if (mode >= ATA_WDMA2) { error = ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode); if (bootverbose) device_printf(dev, "%ssetting %s on %s chip\n", (error) ? "FAILURE " : "", ata_mode2str(mode), ctlr->chip->text); if (!error) { u_int8_t reg54 = pci_read_config(gparent, 0x54, 1); reg54 &= ~(0x03 << (devno << 1)); if (mode >= ATA_UDMA0) reg54 |= (((mode & ATA_MODE_MASK) + 1) << (devno << 1)); pci_write_config(gparent, 0x54, reg54, 1); pci_write_config(gparent, 0x4a, 0xa6, 1); pci_write_config(gparent, 0x40 + (devno << 1), 0x0301, 2); atadev->mode = mode; return; } } /* we could set PIO mode timings, but we assume the BIOS did that */ } static void ata_acard_86X_setmode(device_t dev, int mode) { device_t gparent = GRANDPARENT(dev); struct ata_pci_controller *ctlr = device_get_softc(gparent); struct ata_channel *ch = device_get_softc(device_get_parent(dev)); struct ata_device *atadev = device_get_softc(dev); int devno = (ch->unit << 1) + atadev->unit; int error; mode = ata_limit_mode(dev, mode, ata_atapi(dev) ? ATA_PIO_MAX : ctlr->chip->max_dma); mode = ata_check_80pin(dev, mode); /* XXX SOS missing WDMA0+1 + PIO modes */ if (mode >= ATA_WDMA2) { error = ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode); if (bootverbose) device_printf(dev, "%ssetting %s on %s chip\n", (error) ? "FAILURE " : "", ata_mode2str(mode), ctlr->chip->text); if (!error) { u_int16_t reg44 = pci_read_config(gparent, 0x44, 2); reg44 &= ~(0x000f << (devno << 2)); if (mode >= ATA_UDMA0) reg44 |= (((mode & ATA_MODE_MASK) + 1) << (devno << 2)); pci_write_config(gparent, 0x44, reg44, 2); pci_write_config(gparent, 0x4a, 0xa6, 1); pci_write_config(gparent, 0x40 + devno, 0x31, 1); atadev->mode = mode; return; } } /* we could set PIO mode timings, but we assume the BIOS did that */ } struct ata_serialize { struct lock locked_mtx; int locked_ch; int restart_ch; }; static int ata_serialize(device_t dev, int flags) { struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); struct ata_channel *ch = device_get_softc(dev); struct ata_serialize *serial; static int inited = 0; int res; if (!inited) { serial = kmalloc(sizeof(struct ata_serialize), M_TEMP, M_INTWAIT | M_ZERO); lockinit(&serial->locked_mtx, "ataserialize", 0, 0); serial->locked_ch = -1; serial->restart_ch = -1; device_set_ivars(ctlr->dev, serial); inited = 1; } else serial = device_get_ivars(ctlr->dev); lockmgr(&serial->locked_mtx, LK_EXCLUSIVE); switch (flags) { case ATA_LF_LOCK: if (serial->locked_ch == -1) serial->locked_ch = ch->unit; if (serial->locked_ch != ch->unit) serial->restart_ch = ch->unit; break; case ATA_LF_UNLOCK: if (serial->locked_ch == ch->unit) { serial->locked_ch = -1; if (serial->restart_ch != -1) { if ((ch = ctlr->interrupt[serial->restart_ch].argument)) { serial->restart_ch = -1; lockmgr(&serial->locked_mtx, LK_RELEASE); ata_start(ch->dev); return -1; } } } break; case ATA_LF_WHICH: break; } res = serial->locked_ch; lockmgr(&serial->locked_mtx, LK_RELEASE); return res; }