/*- * SPDX-License-Identifier: BSD-2-Clause * * 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 #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_ite_chipinit(device_t dev); static int ata_ite_ch_attach(device_t dev); static int ata_ite_821x_setmode(device_t dev, int target, int mode); static int ata_ite_8213_setmode(device_t dev, int target, int mode); /* * Integrated Technology Express Inc. (ITE) chipset support functions */ static int ata_ite_probe(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(dev); static const struct ata_chip_id ids[] = {{ ATA_IT8213F, 0x00, 0x00, 0x00, ATA_UDMA6, "IT8213F" }, { ATA_IT8212F, 0x00, 0x00, 0x00, ATA_UDMA6, "IT8212F" }, { ATA_IT8211F, 0x00, 0x00, 0x00, ATA_UDMA6, "IT8211F" }, { 0, 0, 0, 0, 0, 0}}; if (pci_get_vendor(dev) != ATA_ITE_ID) return ENXIO; if (!(ctlr->chip = ata_match_chip(dev, ids))) return ENXIO; ata_set_desc(dev); ctlr->chipinit = ata_ite_chipinit; return (BUS_PROBE_LOW_PRIORITY); } static int ata_ite_chipinit(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(dev); if (ata_setup_interrupt(dev, ata_generic_intr)) return ENXIO; if (ctlr->chip->chipid == ATA_IT8213F) { /* the ITE 8213F only has one channel */ ctlr->channels = 1; ctlr->setmode = ata_ite_8213_setmode; } else { /* set PCI mode and 66Mhz reference clock */ pci_write_config(dev, 0x50, pci_read_config(dev, 0x50, 1) & ~0x83, 1); /* set default active & recover timings */ pci_write_config(dev, 0x54, 0x31, 1); pci_write_config(dev, 0x56, 0x31, 1); ctlr->setmode = ata_ite_821x_setmode; /* No timing restrictions initially. */ ctlr->chipset_data = NULL; } ctlr->ch_attach = ata_ite_ch_attach; return (0); } static int ata_ite_ch_attach(device_t dev) { struct ata_channel *ch = device_get_softc(dev); int error; error = ata_pci_ch_attach(dev); ch->flags |= ATA_CHECKS_CABLE; ch->flags |= ATA_NO_ATAPI_DMA; return (error); } static int ata_ite_821x_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; int piomode; uint8_t *timings = (uint8_t*)(&ctlr->chipset_data); static const uint8_t udmatiming[] = { 0x44, 0x42, 0x31, 0x21, 0x11, 0xa2, 0x91 }; static const uint8_t chtiming[] = { 0xaa, 0xa3, 0xa1, 0x33, 0x31, 0x88, 0x32, 0x31 }; mode = min(mode, ctlr->chip->max_dma); /* check the CBLID bits for 80 conductor cable detection */ if (ata_dma_check_80pin && mode > ATA_UDMA2 && (pci_read_config(parent, 0x40, 2) & (ch->unit ? (1<<3) : (1<<2)))) { ata_print_cable(dev, "controller"); mode = ATA_UDMA2; } if (mode >= ATA_UDMA0) { /* enable UDMA mode */ pci_write_config(parent, 0x50, pci_read_config(parent, 0x50, 1) & ~(1 << (devno + 3)), 1); /* set UDMA timing */ pci_write_config(parent, 0x56 + (ch->unit << 2) + target, udmatiming[mode & ATA_MODE_MASK], 1); piomode = ATA_PIO4; } else { /* disable UDMA mode */ pci_write_config(parent, 0x50, pci_read_config(parent, 0x50, 1) | (1 << (devno + 3)), 1); piomode = mode; } timings[devno] = chtiming[ata_mode2idx(piomode)]; /* set active and recover timing (shared between master & slave) */ pci_write_config(parent, 0x54 + (ch->unit << 2), max(timings[ch->unit << 1], timings[(ch->unit << 1) + 1]), 1); return (mode); } static int ata_ite_8213_setmode(device_t dev, int target, int mode) { device_t parent = device_get_parent(dev); struct ata_pci_controller *ctlr = device_get_softc(parent); int piomode; u_int16_t reg40 = pci_read_config(parent, 0x40, 2); u_int8_t reg44 = pci_read_config(parent, 0x44, 1); u_int8_t reg48 = pci_read_config(parent, 0x48, 1); u_int16_t reg4a = pci_read_config(parent, 0x4a, 2); u_int16_t reg54 = pci_read_config(parent, 0x54, 2); u_int16_t mask40 = 0, new40 = 0; u_int8_t mask44 = 0, new44 = 0; static const uint8_t timings[] = { 0x00, 0x00, 0x10, 0x21, 0x23, 0x00, 0x21, 0x23 }; static const uint8_t utimings[] = { 0x00, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02 }; mode = min(mode, ctlr->chip->max_dma); if (ata_dma_check_80pin && mode > ATA_UDMA2 && !(reg54 & (0x10 << target))) { ata_print_cable(dev, "controller"); mode = ATA_UDMA2; } /* Enable/disable UDMA and set timings. */ if (mode >= ATA_UDMA0) { pci_write_config(parent, 0x48, reg48 | (0x0001 << target), 2); pci_write_config(parent, 0x4a, (reg4a & ~(0x3 << (target << 2))) | (utimings[mode & ATA_MODE_MASK] << (target<<2)), 2); piomode = ATA_PIO4; } else { pci_write_config(parent, 0x48, reg48 & ~(0x0001 << target), 2); pci_write_config(parent, 0x4a, (reg4a & ~(0x3 << (target << 2))),2); piomode = mode; } /* Set UDMA reference clock (33/66/133MHz). */ reg54 &= ~(0x1001 << target); if (mode >= ATA_UDMA5) reg54 |= (0x1000 << target); else if (mode >= ATA_UDMA3) reg54 |= (0x1 << target); pci_write_config(parent, 0x54, reg54, 2); /* Allow PIO/WDMA timing controls. */ reg40 &= 0xff00; reg40 |= 0x4033; /* Set PIO/WDMA timings. */ if (target == 0) { reg40 |= (ata_atapi(dev, target) ? 0x04 : 0x00); mask40 = 0x3300; new40 = timings[ata_mode2idx(piomode)] << 8; } else { reg40 |= (ata_atapi(dev, target) ? 0x40 : 0x00); mask44 = 0x0f; new44 = ((timings[ata_mode2idx(piomode)] & 0x30) >> 2) | (timings[ata_mode2idx(piomode)] & 0x03); } pci_write_config(parent, 0x40, (reg40 & ~mask40) | new40, 4); pci_write_config(parent, 0x44, (reg44 & ~mask44) | new44, 1); return (mode); } ATA_DECLARE_DRIVER(ata_ite);