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