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_setmode(device_t dev, int target, int mode); 58 59 /* 60 * JMicron chipset support functions 61 */ 62 static int 63 ata_jmicron_probe(device_t dev) 64 { 65 struct ata_pci_controller *ctlr = device_get_softc(dev); 66 struct ata_chip_id *idx; 67 static struct ata_chip_id ids[] = 68 {{ ATA_JMB360, 0, 1, 0, ATA_SA300, "JMB360" }, 69 { ATA_JMB361, 0, 1, 1, ATA_UDMA6, "JMB361" }, 70 { ATA_JMB363, 0, 2, 1, ATA_UDMA6, "JMB363" }, 71 { ATA_JMB365, 0, 1, 2, ATA_UDMA6, "JMB365" }, 72 { ATA_JMB366, 0, 2, 2, ATA_UDMA6, "JMB366" }, 73 { ATA_JMB368, 0, 0, 1, ATA_UDMA6, "JMB368" }, 74 { 0, 0, 0, 0, 0, 0}}; 75 char buffer[64]; 76 77 if (pci_get_vendor(dev) != ATA_JMICRON_ID) 78 return ENXIO; 79 80 if (!(idx = ata_match_chip(dev, ids))) 81 return ENXIO; 82 83 sprintf(buffer, "JMicron %s %s controller", 84 idx->text, ata_mode2str(idx->max_dma)); 85 device_set_desc_copy(dev, buffer); 86 ctlr->chip = idx; 87 ctlr->chipinit = ata_jmicron_chipinit; 88 return (BUS_PROBE_DEFAULT); 89 } 90 91 static int 92 ata_jmicron_chipinit(device_t dev) 93 { 94 struct ata_pci_controller *ctlr = device_get_softc(dev); 95 device_t child; 96 97 if (ata_setup_interrupt(dev, ata_generic_intr)) 98 return ENXIO; 99 100 /* do we have multiple PCI functions ? */ 101 if (pci_read_config(dev, 0xdf, 1) & 0x40) { 102 /* are we on the AHCI part ? */ 103 if (ata_ahci_chipinit(dev) != ENXIO) 104 return 0; 105 106 /* otherwise we are on the PATA part */ 107 ctlr->ch_attach = ata_jmicron_ch_attach; 108 ctlr->ch_detach = ata_pci_ch_detach; 109 ctlr->reset = ata_generic_reset; 110 ctlr->setmode = ata_jmicron_setmode; 111 ctlr->channels = ctlr->chip->cfg2; 112 } 113 else { 114 /* set controller configuration to a combined setup we support */ 115 pci_write_config(dev, 0x40, 0x80c0a131, 4); 116 pci_write_config(dev, 0x80, 0x01200000, 4); 117 /* Create AHCI subdevice if AHCI part present. */ 118 if (ctlr->chip->cfg1) { 119 child = device_add_child(dev, NULL, -1); 120 if (child != NULL) { 121 device_set_ivars(child, (void *)(intptr_t)-1); 122 bus_generic_attach(dev); 123 } 124 } 125 ctlr->ch_attach = ata_jmicron_ch_attach; 126 ctlr->ch_detach = ata_pci_ch_detach; 127 ctlr->reset = ata_generic_reset; 128 ctlr->setmode = ata_jmicron_setmode; 129 ctlr->channels = ctlr->chip->cfg2; 130 } 131 return 0; 132 } 133 134 static int 135 ata_jmicron_ch_attach(device_t dev) 136 { 137 struct ata_channel *ch = device_get_softc(dev); 138 int error; 139 140 error = ata_pci_ch_attach(dev); 141 ch->flags |= ATA_CHECKS_CABLE; 142 return (error); 143 } 144 145 static int 146 ata_jmicron_setmode(device_t dev, int target, int mode) 147 { 148 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 149 150 mode = min(mode, ctlr->chip->max_dma); 151 /* check for 80pin cable present */ 152 if (ata_dma_check_80pin && mode > ATA_UDMA2 && 153 pci_read_config(dev, 0x40, 1) & 0x08) { 154 ata_print_cable(dev, "controller"); 155 mode = ATA_UDMA2; 156 } 157 /* Nothing to do to setup mode, the controller snoop SET_FEATURE cmd. */ 158 return (mode); 159 } 160 161 ATA_DECLARE_DRIVER(ata_jmicron); 162 MODULE_DEPEND(ata_jmicron, ata_ahci, 1, 1, 1); 163