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_jmicron_chipinit(device_t dev); 56 static int ata_jmicron_ch_attach(device_t dev); 57 static int ata_jmicron_ch_detach(device_t dev); 58 static void ata_jmicron_reset(device_t dev); 59 static void ata_jmicron_setmode(device_t dev, int mode); 60 61 /* 62 * JMicron chipset support functions 63 */ 64 static int 65 ata_jmicron_probe(device_t dev) 66 { 67 struct ata_pci_controller *ctlr = device_get_softc(dev); 68 struct ata_chip_id *idx; 69 static struct ata_chip_id ids[] = 70 {{ ATA_JMB360, 0, 1, 0, ATA_SA300, "JMB360" }, 71 { ATA_JMB361, 0, 1, 1, ATA_SA300, "JMB361" }, 72 { ATA_JMB363, 0, 2, 1, ATA_SA300, "JMB363" }, 73 { ATA_JMB365, 0, 1, 2, ATA_SA300, "JMB365" }, 74 { ATA_JMB366, 0, 2, 2, ATA_SA300, "JMB366" }, 75 { ATA_JMB368, 0, 0, 1, ATA_UDMA6, "JMB368" }, 76 { 0, 0, 0, 0, 0, 0}}; 77 char buffer[64]; 78 79 if (pci_get_vendor(dev) != ATA_JMICRON_ID) 80 return ENXIO; 81 82 if (!(idx = ata_match_chip(dev, ids))) 83 return ENXIO; 84 85 if ((pci_read_config(dev, 0xdf, 1) & 0x40) && 86 (pci_get_function(dev) == (pci_read_config(dev, 0x40, 1) & 0x02 >> 1))) 87 sprintf(buffer, "JMicron %s %s controller", 88 idx->text, ata_mode2str(ATA_UDMA6)); 89 else 90 sprintf(buffer, "JMicron %s %s controller", 91 idx->text, ata_mode2str(idx->max_dma)); 92 device_set_desc_copy(dev, buffer); 93 ctlr->chip = idx; 94 ctlr->chipinit = ata_jmicron_chipinit; 95 return 0; 96 } 97 98 static int 99 ata_jmicron_chipinit(device_t dev) 100 { 101 struct ata_pci_controller *ctlr = device_get_softc(dev); 102 int error; 103 104 if (ata_setup_interrupt(dev, ata_generic_intr)) 105 return ENXIO; 106 107 /* do we have multiple PCI functions ? */ 108 if (pci_read_config(dev, 0xdf, 1) & 0x40) { 109 /* are we on the AHCI part ? */ 110 if (ata_ahci_chipinit(dev) != ENXIO) 111 return 0; 112 113 /* otherwise we are on the PATA part */ 114 ctlr->ch_attach = ata_pci_ch_attach; 115 ctlr->ch_detach = ata_pci_ch_detach; 116 ctlr->reset = ata_generic_reset; 117 ctlr->setmode = ata_jmicron_setmode; 118 ctlr->channels = ctlr->chip->cfg2; 119 } 120 else { 121 /* set controller configuration to a combined setup we support */ 122 pci_write_config(dev, 0x40, 0x80c0a131, 4); 123 pci_write_config(dev, 0x80, 0x01200000, 4); 124 125 if (ctlr->chip->cfg1 && (error = ata_ahci_chipinit(dev))) 126 return error; 127 128 ctlr->ch_attach = ata_jmicron_ch_attach; 129 ctlr->ch_detach = ata_jmicron_ch_detach; 130 ctlr->reset = ata_jmicron_reset; 131 ctlr->setmode = ata_jmicron_setmode; 132 133 /* set the number of HW channels */ 134 ctlr->channels = ctlr->chip->cfg1 + ctlr->chip->cfg2; 135 ctlr->ichannels |= ((0xffffffffU >> (32 - ctlr->chip->cfg2)) 136 << ctlr->chip->cfg1); 137 } 138 return 0; 139 } 140 141 static int 142 ata_jmicron_ch_attach(device_t dev) 143 { 144 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 145 struct ata_channel *ch = device_get_softc(dev); 146 int error; 147 148 if (ch->unit >= ctlr->chip->cfg1) { 149 ch->unit -= ctlr->chip->cfg1; 150 error = ata_pci_ch_attach(dev); 151 ch->unit += ctlr->chip->cfg1; 152 } 153 else 154 error = ata_ahci_ch_attach(dev); 155 return error; 156 } 157 158 static int 159 ata_jmicron_ch_detach(device_t dev) 160 { 161 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 162 struct ata_channel *ch = device_get_softc(dev); 163 int error; 164 165 if (ch->unit >= ctlr->chip->cfg1) { 166 ch->unit -= ctlr->chip->cfg1; 167 error = ata_pci_ch_detach(dev); 168 ch->unit += ctlr->chip->cfg1; 169 } 170 else 171 error = ata_ahci_ch_detach(dev); 172 173 return (error); 174 } 175 176 static void 177 ata_jmicron_reset(device_t dev) 178 { 179 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 180 struct ata_channel *ch = device_get_softc(dev); 181 182 if (ch->unit >= ctlr->chip->cfg1) 183 ata_generic_reset(dev); 184 else 185 ata_ahci_reset(dev); 186 } 187 188 static void 189 ata_jmicron_setmode(device_t dev, int mode) 190 { 191 struct ata_pci_controller *ctlr = device_get_softc(GRANDPARENT(dev)); 192 struct ata_channel *ch = device_get_softc(device_get_parent(dev)); 193 194 if (pci_read_config(dev, 0xdf, 1) & 0x40 || ch->unit >= ctlr->chip->cfg1) { 195 struct ata_device *atadev = device_get_softc(dev); 196 197 /* check for 80pin cable present */ 198 if (pci_read_config(dev, 0x40, 1) & 0x08) 199 mode = ata_limit_mode(dev, mode, ATA_UDMA2); 200 else 201 mode = ata_limit_mode(dev, mode, ATA_UDMA6); 202 203 if (!ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode)) 204 atadev->mode = mode; 205 } 206 else 207 ata_sata_setmode(dev, mode); 208 } 209 210 ATA_DECLARE_DRIVER(ata_jmicron); 211 MODULE_DEPEND(ata_jmicron, ata_ahci, 1, 1, 1); 212