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_cyrix_chipinit(device_t dev); 29 static void ata_cyrix_setmode(device_t dev, int mode); 30 31 /* 32 * Cyrix chipset support functions 33 */ 34 int 35 ata_cyrix_ident(device_t dev) 36 { 37 struct ata_pci_controller *ctlr = device_get_softc(dev); 38 39 if (pci_get_devid(dev) == ATA_CYRIX_5530) { 40 device_set_desc(dev, "Cyrix 5530 ATA33 controller"); 41 ctlr->chipinit = ata_cyrix_chipinit; 42 return 0; 43 } 44 return ENXIO; 45 } 46 47 static int 48 ata_cyrix_chipinit(device_t dev) 49 { 50 struct ata_pci_controller *ctlr = device_get_softc(dev); 51 52 if (ata_setup_interrupt(dev, ata_generic_intr)) 53 return ENXIO; 54 55 ctlr->setmode = ata_cyrix_setmode; 56 return 0; 57 } 58 59 static void 60 ata_cyrix_setmode(device_t dev, int mode) 61 { 62 struct ata_pci_controller *ctlr = device_get_softc(GRANDPARENT(dev)); 63 struct ata_channel *ch = device_get_softc(device_get_parent(dev)); 64 struct ata_device *atadev = device_get_softc(dev); 65 int devno = (ch->unit << 1) + atadev->unit; 66 int error; 67 static const uint32_t piotiming[] = 68 { 0x00009172, 0x00012171, 0x00020080, 0x00032010, 0x00040010 }; 69 static const uint32_t dmatiming[] = 70 { 0x00077771, 0x00012121, 0x00002020 }; 71 static const uint32_t udmatiming[] = 72 { 0x00921250, 0x00911140, 0x00911030 }; 73 74 mode = ata_limit_mode(dev, mode, ATA_UDMA2); 75 76 error = ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode); 77 78 if (bootverbose) 79 device_printf(dev, "%ssetting %s on Cyrix chip\n", 80 (error) ? "FAILURE " : "", ata_mode2str(mode)); 81 82 if (!error) { 83 /* dont try to set the mode if we dont have the resource */ 84 if (ctlr->r_res1) { 85 ch->dma->alignment = 16; 86 ch->dma->max_iosize = 64 * DEV_BSIZE; 87 88 if (mode >= ATA_UDMA0) { 89 ATA_OUTL(ch->r_io[ATA_BMCMD_PORT].res, 90 0x24 + (devno << 3), udmatiming[mode & ATA_MODE_MASK]); 91 } 92 else if (mode >= ATA_WDMA0) { 93 ATA_OUTL(ch->r_io[ATA_BMCMD_PORT].res, 94 0x24 + (devno << 3), dmatiming[mode & ATA_MODE_MASK]); 95 } 96 else { 97 ATA_OUTL(ch->r_io[ATA_BMCMD_PORT].res, 98 0x20 + (devno << 3), piotiming[mode & ATA_MODE_MASK]); 99 } 100 } 101 atadev->mode = mode; 102 } 103 } 104