1 /*- 2 * Copyright (c) 1998 - 2008 S�ren 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 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include "opt_ata.h" 31 #include <sys/param.h> 32 #include <sys/module.h> 33 #include <sys/systm.h> 34 #include <sys/kernel.h> 35 #include <sys/ata.h> 36 #include <sys/bus.h> 37 #include <sys/endian.h> 38 #include <sys/malloc.h> 39 #include <sys/lock.h> 40 #include <sys/mutex.h> 41 #include <sys/sema.h> 42 #include <sys/taskqueue.h> 43 #include <vm/uma.h> 44 #include <machine/stdarg.h> 45 #include <machine/resource.h> 46 #include <machine/bus.h> 47 #include <sys/rman.h> 48 #include <dev/pci/pcivar.h> 49 #include <dev/pci/pcireg.h> 50 #include <dev/ata/ata-all.h> 51 #include <dev/ata/ata-pci.h> 52 #include <ata_if.h> 53 54 /* local prototypes */ 55 static int ata_cyrix_chipinit(device_t dev); 56 static int ata_cyrix_ch_attach(device_t dev); 57 static int ata_cyrix_setmode(device_t dev, int target, int mode); 58 59 60 /* 61 * Cyrix chipset support functions 62 */ 63 static int 64 ata_cyrix_probe(device_t dev) 65 { 66 struct ata_pci_controller *ctlr = device_get_softc(dev); 67 68 if (pci_get_devid(dev) == ATA_CYRIX_5530) { 69 device_set_desc(dev, "Cyrix 5530 ATA33 controller"); 70 ctlr->chipinit = ata_cyrix_chipinit; 71 return (BUS_PROBE_DEFAULT); 72 } 73 return ENXIO; 74 } 75 76 static int 77 ata_cyrix_chipinit(device_t dev) 78 { 79 struct ata_pci_controller *ctlr = device_get_softc(dev); 80 81 if (ata_setup_interrupt(dev, ata_generic_intr)) 82 return ENXIO; 83 ctlr->ch_attach = ata_cyrix_ch_attach; 84 ctlr->setmode = ata_cyrix_setmode; 85 return 0; 86 } 87 88 static int 89 ata_cyrix_ch_attach(device_t dev) 90 { 91 struct ata_channel *ch = device_get_softc(dev); 92 int error; 93 94 error = ata_pci_ch_attach(dev); 95 ch->dma.alignment = 16; 96 ch->dma.max_iosize = 64 * DEV_BSIZE; 97 return (error); 98 } 99 100 101 static int 102 ata_cyrix_setmode(device_t dev, int target, int mode) 103 { 104 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 105 struct ata_channel *ch = device_get_softc(dev); 106 int devno = (ch->unit << 1) + target; 107 int piomode; 108 u_int32_t piotiming[] = 109 { 0x00009172, 0x00012171, 0x00020080, 0x00032010, 0x00040010 }; 110 u_int32_t dmatiming[] = { 0x00077771, 0x00012121, 0x00002020 }; 111 u_int32_t udmatiming[] = { 0x00921250, 0x00911140, 0x00911030 }; 112 113 mode = min(mode, ATA_UDMA2); 114 /* dont try to set the mode if we dont have the resource */ 115 if (ctlr->r_res1) { 116 if (mode >= ATA_UDMA0) { 117 /* Set UDMA timings, and PIO4. */ 118 ATA_OUTL(ch->r_io[ATA_BMCMD_PORT].res, 119 0x24 + (devno << 3), udmatiming[mode & ATA_MODE_MASK]); 120 piomode = ATA_PIO4; 121 } else if (mode >= ATA_WDMA0) { 122 /* Set WDMA timings, and respective PIO mode. */ 123 ATA_OUTL(ch->r_io[ATA_BMCMD_PORT].res, 124 0x24 + (devno << 3), dmatiming[mode & ATA_MODE_MASK]); 125 piomode = (mode == ATA_WDMA0) ? ATA_PIO0 : 126 (mode == ATA_WDMA1) ? ATA_PIO3 : ATA_PIO4; 127 } else 128 piomode = mode; 129 /* Set PIO mode calculated above. */ 130 ATA_OUTL(ch->r_io[ATA_BMCMD_PORT].res, 131 0x20 + (devno << 3), piotiming[ata_mode2idx(piomode)]); 132 } 133 return (mode); 134 } 135 136 ATA_DECLARE_DRIVER(ata_cyrix); 137