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_jmicron_chipinit(device_t dev); 29 static int ata_jmicron_allocate(device_t dev); 30 static void ata_jmicron_reset(device_t dev); 31 static void ata_jmicron_dmainit(device_t dev); 32 static void ata_jmicron_setmode(device_t dev, int mode); 33 34 /* 35 * JMicron chipset support functions 36 */ 37 int 38 ata_jmicron_ident(device_t dev) 39 { 40 struct ata_pci_controller *ctlr = device_get_softc(dev); 41 const struct ata_chip_id *idx; 42 static const struct ata_chip_id ids[] = 43 {{ ATA_JMB360, 0, 1, 0, ATA_SA300, "JMB360" }, 44 { ATA_JMB361, 0, 1, 1, ATA_SA300, "JMB361" }, 45 { ATA_JMB363, 0, 2, 1, ATA_SA300, "JMB363" }, 46 { ATA_JMB365, 0, 1, 2, ATA_SA300, "JMB365" }, 47 { ATA_JMB366, 0, 2, 2, ATA_SA300, "JMB366" }, 48 { ATA_JMB368, 0, 0, 1, ATA_UDMA6, "JMB368" }, 49 { 0, 0, 0, 0, 0, 0}}; 50 char buffer[64]; 51 52 if (pci_get_vendor(dev) != ATA_JMICRON_ID) 53 return ENXIO; 54 55 if (!(idx = ata_match_chip(dev, ids))) 56 return ENXIO; 57 58 if ((pci_read_config(dev, 0xdf, 1) & 0x40) && 59 (pci_get_function(dev) == (pci_read_config(dev, 0x40, 1) & 0x02 >> 1))) 60 ksnprintf(buffer, sizeof(buffer), "JMicron %s %s controller", 61 idx->text, ata_mode2str(ATA_UDMA6)); 62 else 63 ksnprintf(buffer, sizeof(buffer), "JMicron %s %s controller", 64 idx->text, ata_mode2str(idx->max_dma)); 65 device_set_desc_copy(dev, buffer); 66 ctlr->chip = idx; 67 ctlr->chipinit = ata_jmicron_chipinit; 68 return 0; 69 } 70 71 static int 72 ata_jmicron_chipinit(device_t dev) 73 { 74 struct ata_pci_controller *ctlr = device_get_softc(dev); 75 int error; 76 77 if (ata_setup_interrupt(dev, ata_generic_intr)) 78 return ENXIO; 79 80 /* do we have multiple PCI functions ? */ 81 if (pci_read_config(dev, 0xdf, 1) & 0x40) { 82 /* are we on the AHCI part ? */ 83 if (ata_ahci_chipinit(dev) != ENXIO) 84 return 0; 85 86 /* otherwise we are on the PATA part */ 87 ctlr->allocate = ata_pci_allocate; 88 ctlr->reset = ata_generic_reset; 89 ctlr->dmainit = ata_pci_dmainit; 90 ctlr->setmode = ata_jmicron_setmode; 91 ctlr->channels = ctlr->chip->cfg2; 92 } 93 else { 94 /* set controller configuration to a combined setup we support */ 95 pci_write_config(dev, 0x40, 0x80c0a131, 4); 96 pci_write_config(dev, 0x80, 0x01200000, 4); 97 98 if (ctlr->chip->cfg1 && (error = ata_ahci_chipinit(dev))) { 99 ata_teardown_interrupt(dev); 100 return error; 101 } 102 103 ctlr->allocate = ata_jmicron_allocate; 104 ctlr->reset = ata_jmicron_reset; 105 ctlr->dmainit = ata_jmicron_dmainit; 106 ctlr->setmode = ata_jmicron_setmode; 107 108 /* set the number of HW channels */ 109 ctlr->channels = ctlr->chip->cfg1 + ctlr->chip->cfg2; 110 } 111 return 0; 112 } 113 114 static int 115 ata_jmicron_allocate(device_t dev) 116 { 117 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 118 struct ata_channel *ch = device_get_softc(dev); 119 int error; 120 121 if (ch->unit >= ctlr->chip->cfg1) { 122 ch->unit -= ctlr->chip->cfg1; 123 error = ata_pci_allocate(dev); 124 ch->unit += ctlr->chip->cfg1; 125 } 126 else 127 error = ata_ahci_allocate(dev); 128 return error; 129 } 130 131 static void 132 ata_jmicron_reset(device_t dev) 133 { 134 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 135 struct ata_channel *ch = device_get_softc(dev); 136 137 if (ch->unit >= ctlr->chip->cfg1) 138 ata_generic_reset(dev); 139 else 140 ata_ahci_reset(dev); 141 } 142 143 static void 144 ata_jmicron_dmainit(device_t dev) 145 { 146 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 147 struct ata_channel *ch = device_get_softc(dev); 148 149 if (ch->unit >= ctlr->chip->cfg1) 150 ata_pci_dmainit(dev); 151 else 152 ata_ahci_dmainit(dev); 153 } 154 155 static void 156 ata_jmicron_setmode(device_t dev, int mode) 157 { 158 struct ata_pci_controller *ctlr = device_get_softc(GRANDPARENT(dev)); 159 struct ata_channel *ch = device_get_softc(device_get_parent(dev)); 160 161 if (pci_read_config(dev, 0xdf, 1) & 0x40 || ch->unit >= ctlr->chip->cfg1) { 162 struct ata_device *atadev = device_get_softc(dev); 163 164 /* check for 80pin cable present */ 165 if (pci_read_config(dev, 0x40, 1) & 0x08) 166 mode = ata_limit_mode(dev, mode, ATA_UDMA2); 167 else 168 mode = ata_limit_mode(dev, mode, ATA_UDMA6); 169 170 if (!ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode)) 171 atadev->mode = mode; 172 } 173 else 174 ata_sata_setmode(dev, mode); 175 } 176