1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer, 12 * without modification, immediately at the beginning of the file. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/param.h> 33 #include <sys/module.h> 34 #include <sys/systm.h> 35 #include <sys/kernel.h> 36 #include <sys/ata.h> 37 #include <sys/bus.h> 38 #include <sys/endian.h> 39 #include <sys/malloc.h> 40 #include <sys/lock.h> 41 #include <sys/mutex.h> 42 #include <sys/sema.h> 43 #include <sys/taskqueue.h> 44 #include <vm/uma.h> 45 #include <machine/stdarg.h> 46 #include <machine/resource.h> 47 #include <machine/bus.h> 48 #include <sys/rman.h> 49 #include <dev/pci/pcivar.h> 50 #include <dev/pci/pcireg.h> 51 #include <dev/ata/ata-all.h> 52 #include <dev/ata/ata-pci.h> 53 #include <ata_if.h> 54 55 /* local prototypes */ 56 static int ata_jmicron_chipinit(device_t dev); 57 static int ata_jmicron_ch_attach(device_t dev); 58 static int ata_jmicron_setmode(device_t dev, int target, int mode); 59 60 /* 61 * JMicron chipset support functions 62 */ 63 static int 64 ata_jmicron_probe(device_t dev) 65 { 66 struct ata_pci_controller *ctlr = device_get_softc(dev); 67 const struct ata_chip_id *idx; 68 static const struct ata_chip_id ids[] = 69 {{ ATA_JMB360, 0, 1, 0, ATA_SA300, "JMB360" }, 70 { ATA_JMB361, 0, 1, 1, ATA_UDMA6, "JMB361" }, 71 { ATA_JMB362, 0, 2, 0, ATA_SA300, "JMB362" }, 72 { ATA_JMB363, 0, 2, 1, ATA_UDMA6, "JMB363" }, 73 { ATA_JMB365, 0, 1, 2, ATA_UDMA6, "JMB365" }, 74 { ATA_JMB366, 0, 2, 2, ATA_UDMA6, "JMB366" }, 75 { ATA_JMB368, 0, 0, 1, ATA_UDMA6, "JMB368" }, 76 { ATA_JMB368_2, 0, 0, 1, ATA_UDMA6, "JMB368" }, 77 { 0, 0, 0, 0, 0, 0}}; 78 char buffer[64]; 79 80 if (pci_get_vendor(dev) != ATA_JMICRON_ID) 81 return ENXIO; 82 83 if (!(idx = ata_match_chip(dev, ids))) 84 return ENXIO; 85 86 sprintf(buffer, "JMicron %s %s controller", 87 idx->text, ata_mode2str(idx->max_dma)); 88 device_set_desc_copy(dev, buffer); 89 ctlr->chip = idx; 90 ctlr->chipinit = ata_jmicron_chipinit; 91 return (BUS_PROBE_LOW_PRIORITY); 92 } 93 94 static int 95 ata_jmicron_chipinit(device_t dev) 96 { 97 struct ata_pci_controller *ctlr = device_get_softc(dev); 98 device_t child; 99 100 if (ata_setup_interrupt(dev, ata_generic_intr)) 101 return ENXIO; 102 103 /* do we have multiple PCI functions ? */ 104 if (pci_read_config(dev, 0xdf, 1) & 0x40) { 105 /* If this was not claimed by AHCI, then we are on the PATA part */ 106 ctlr->ch_attach = ata_jmicron_ch_attach; 107 ctlr->ch_detach = ata_pci_ch_detach; 108 ctlr->reset = ata_generic_reset; 109 ctlr->setmode = ata_jmicron_setmode; 110 ctlr->channels = ctlr->chip->cfg2; 111 } 112 else { 113 /* set controller configuration to a combined setup we support */ 114 pci_write_config(dev, 0x40, 0x80c0a131, 4); 115 pci_write_config(dev, 0x80, 0x01200000, 4); 116 /* Create AHCI subdevice if AHCI part present. */ 117 if (ctlr->chip->cfg1) { 118 child = device_add_child(dev, NULL, -1); 119 if (child != NULL) { 120 device_set_ivars(child, (void *)(intptr_t)-1); 121 bus_generic_attach(dev); 122 } 123 } 124 ctlr->ch_attach = ata_jmicron_ch_attach; 125 ctlr->ch_detach = ata_pci_ch_detach; 126 ctlr->reset = ata_generic_reset; 127 ctlr->setmode = ata_jmicron_setmode; 128 ctlr->channels = ctlr->chip->cfg2; 129 } 130 return 0; 131 } 132 133 static int 134 ata_jmicron_ch_attach(device_t dev) 135 { 136 struct ata_channel *ch = device_get_softc(dev); 137 int error; 138 139 error = ata_pci_ch_attach(dev); 140 ch->flags |= ATA_CHECKS_CABLE; 141 return (error); 142 } 143 144 static int 145 ata_jmicron_setmode(device_t dev, int target, int mode) 146 { 147 device_t parent = device_get_parent(dev); 148 struct ata_pci_controller *ctlr = device_get_softc(parent); 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(parent, 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