1 /*- 2 * Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 /* local prototypes */ 28 static int ata_micron_chipinit(device_t dev); 29 static void ata_micron_setmode(device_t dev, int mode); 30 31 /* 32 * Micron chipset support functions 33 */ 34 int 35 ata_micron_ident(device_t dev) 36 { 37 struct ata_pci_controller *ctlr = device_get_softc(dev); 38 39 if (pci_get_devid(dev) == ATA_MICRON_RZ1000 || 40 pci_get_devid(dev) == ATA_MICRON_RZ1001) { 41 device_set_desc(dev, 42 "RZ 100? ATA controller !WARNING! data loss/corruption risk"); 43 ctlr->chipinit = ata_micron_chipinit; 44 return 0; 45 } 46 else 47 return ENXIO; 48 } 49 50 static int 51 ata_micron_chipinit(device_t dev) 52 { 53 struct ata_pci_controller *ctlr = device_get_softc(dev); 54 55 if (ata_setup_interrupt(dev, ata_generic_intr)) 56 return ENXIO; 57 58 ctlr->setmode = ata_micron_setmode; 59 return 0; 60 } 61 62 static void 63 ata_micron_setmode(device_t dev, int mode) 64 { 65 struct ata_device *atadev = device_get_softc(dev); 66 67 mode = ata_limit_mode(dev, mode, ATA_UDMA2); 68 mode = ata_check_80pin(dev, mode); 69 if (!ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode)) 70 atadev->mode = mode; 71 } 72