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 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include "opt_ata.h" 31 #include <sys/param.h> 32 #include <sys/systm.h> 33 #include <sys/ata.h> 34 #include <sys/kernel.h> 35 #include <sys/module.h> 36 #include <sys/bus.h> 37 #include <sys/malloc.h> 38 #include <sys/sema.h> 39 #include <sys/taskqueue.h> 40 #include <vm/uma.h> 41 #include <machine/stdarg.h> 42 #include <machine/resource.h> 43 #include <machine/bus.h> 44 #include <sys/rman.h> 45 #include <isa/isavar.h> 46 #include <dev/ata/ata-all.h> 47 #include <ata_if.h> 48 49 /* local vars */ 50 static struct isa_pnp_id ata_ids[] = { 51 {0x0006d041, "Generic ESDI/IDE/ATA controller"}, /* PNP0600 */ 52 {0x0106d041, "Plus Hardcard II"}, /* PNP0601 */ 53 {0x0206d041, "Plus Hardcard IIXL/EZ"}, /* PNP0602 */ 54 {0x0306d041, "Generic ATA"}, /* PNP0603 */ 55 /* PNP0680 */ 56 {0x8006d041, "Standard bus mastering IDE hard disk controller"}, 57 {0} 58 }; 59 60 static int 61 ata_isa_probe(device_t dev) 62 { 63 struct resource *io = NULL, *ctlio = NULL; 64 u_long tmp; 65 int rid; 66 67 /* check isapnp ids */ 68 if (ISA_PNP_PROBE(device_get_parent(dev), dev, ata_ids) == ENXIO) 69 return ENXIO; 70 71 /* allocate the io port range */ 72 rid = ATA_IOADDR_RID; 73 if (!(io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 74 ATA_IOSIZE, RF_ACTIVE))) 75 return ENXIO; 76 77 /* set the altport range */ 78 if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, &tmp, &tmp)) { 79 bus_set_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, 80 rman_get_start(io) + ATA_CTLOFFSET, ATA_CTLIOSIZE); 81 } 82 83 /* allocate the altport range */ 84 rid = ATA_CTLADDR_RID; 85 if (!(ctlio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 86 ATA_CTLIOSIZE, RF_ACTIVE))) { 87 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io); 88 return ENXIO; 89 } 90 91 /* Release resources to reallocate on attach. */ 92 bus_release_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, ctlio); 93 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io); 94 95 device_set_desc(dev, "ATA channel"); 96 return (ata_probe(dev)); 97 } 98 99 static int 100 ata_isa_attach(device_t dev) 101 { 102 struct ata_channel *ch = device_get_softc(dev); 103 struct resource *io = NULL, *ctlio = NULL; 104 u_long tmp; 105 int i, rid; 106 107 if (ch->attached) 108 return (0); 109 ch->attached = 1; 110 111 /* allocate the io port range */ 112 rid = ATA_IOADDR_RID; 113 if (!(io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 114 ATA_IOSIZE, RF_ACTIVE))) 115 return ENXIO; 116 117 /* set the altport range */ 118 if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, &tmp, &tmp)) { 119 bus_set_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, 120 rman_get_start(io) + ATA_CTLOFFSET, ATA_CTLIOSIZE); 121 } 122 123 /* allocate the altport range */ 124 rid = ATA_CTLADDR_RID; 125 if (!(ctlio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 126 ATA_CTLIOSIZE, RF_ACTIVE))) { 127 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io); 128 return ENXIO; 129 } 130 131 /* setup the resource vectors */ 132 for (i = ATA_DATA; i <= ATA_COMMAND; i++) { 133 ch->r_io[i].res = io; 134 ch->r_io[i].offset = i; 135 } 136 ch->r_io[ATA_CONTROL].res = ctlio; 137 ch->r_io[ATA_CONTROL].offset = 0; 138 ch->r_io[ATA_IDX_ADDR].res = io; 139 ata_default_registers(dev); 140 141 /* initialize softc for this channel */ 142 ch->unit = 0; 143 ch->flags |= ATA_USE_16BIT; 144 ata_generic_hw(dev); 145 return ata_attach(dev); 146 } 147 148 static int 149 ata_isa_detach(device_t dev) 150 { 151 struct ata_channel *ch = device_get_softc(dev); 152 int error; 153 154 if (!ch->attached) 155 return (0); 156 ch->attached = 0; 157 158 error = ata_detach(dev); 159 160 bus_release_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, 161 ch->r_io[ATA_CONTROL].res); 162 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, 163 ch->r_io[ATA_IDX_ADDR].res); 164 return (error); 165 } 166 167 static int 168 ata_isa_suspend(device_t dev) 169 { 170 struct ata_channel *ch = device_get_softc(dev); 171 172 if (!ch->attached) 173 return (0); 174 175 return ata_suspend(dev); 176 } 177 178 static int 179 ata_isa_resume(device_t dev) 180 { 181 struct ata_channel *ch = device_get_softc(dev); 182 183 if (!ch->attached) 184 return (0); 185 186 return ata_resume(dev); 187 } 188 189 190 static device_method_t ata_isa_methods[] = { 191 /* device interface */ 192 DEVMETHOD(device_probe, ata_isa_probe), 193 DEVMETHOD(device_attach, ata_isa_attach), 194 DEVMETHOD(device_detach, ata_isa_detach), 195 DEVMETHOD(device_suspend, ata_isa_suspend), 196 DEVMETHOD(device_resume, ata_isa_resume), 197 198 { 0, 0 } 199 }; 200 201 static driver_t ata_isa_driver = { 202 "ata", 203 ata_isa_methods, 204 sizeof(struct ata_channel), 205 }; 206 207 DRIVER_MODULE(ata, isa, ata_isa_driver, ata_devclass, 0, 0); 208 MODULE_DEPEND(ata, ata, 1, 1, 1); 209