1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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/systm.h> 34 #include <sys/ata.h> 35 #include <sys/kernel.h> 36 #include <sys/module.h> 37 #include <sys/bus.h> 38 #include <sys/malloc.h> 39 #include <sys/sema.h> 40 #include <sys/taskqueue.h> 41 #include <vm/uma.h> 42 #include <machine/stdarg.h> 43 #include <machine/resource.h> 44 #include <machine/bus.h> 45 #include <sys/rman.h> 46 #include <isa/isavar.h> 47 #include <dev/ata/ata-all.h> 48 #include <ata_if.h> 49 50 /* local vars */ 51 static struct isa_pnp_id ata_ids[] = { 52 {0x0006d041, "Generic ESDI/IDE/ATA controller"}, /* PNP0600 */ 53 {0x0106d041, "Plus Hardcard II"}, /* PNP0601 */ 54 {0x0206d041, "Plus Hardcard IIXL/EZ"}, /* PNP0602 */ 55 {0x0306d041, "Generic ATA"}, /* PNP0603 */ 56 /* PNP0680 */ 57 {0x8006d041, "Standard bus mastering IDE hard disk controller"}, 58 {0} 59 }; 60 61 static int 62 ata_isa_probe(device_t dev) 63 { 64 struct resource *io = NULL, *ctlio = NULL; 65 rman_res_t tmp; 66 int rid; 67 68 /* check isapnp ids */ 69 if (ISA_PNP_PROBE(device_get_parent(dev), dev, ata_ids) == ENXIO) 70 return ENXIO; 71 72 /* allocate the io port range */ 73 rid = ATA_IOADDR_RID; 74 if (!(io = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, &rid, 75 ATA_IOSIZE, RF_ACTIVE))) 76 return ENXIO; 77 78 /* set the altport range */ 79 if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, &tmp, &tmp)) { 80 bus_set_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, 81 rman_get_start(io) + ATA_CTLOFFSET, ATA_CTLIOSIZE); 82 } 83 84 /* allocate the altport range */ 85 rid = ATA_CTLADDR_RID; 86 if (!(ctlio = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, &rid, 87 ATA_CTLIOSIZE, RF_ACTIVE))) { 88 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io); 89 return ENXIO; 90 } 91 92 /* Release resources to reallocate on attach. */ 93 bus_release_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, ctlio); 94 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io); 95 96 device_set_desc(dev, "ATA channel"); 97 return (ata_probe(dev)); 98 } 99 100 static int 101 ata_isa_attach(device_t dev) 102 { 103 struct ata_channel *ch = device_get_softc(dev); 104 struct resource *io = NULL, *ctlio = NULL; 105 rman_res_t tmp; 106 int i, rid; 107 108 if (ch->attached) 109 return (0); 110 ch->attached = 1; 111 112 /* allocate the io port range */ 113 rid = ATA_IOADDR_RID; 114 if (!(io = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, &rid, 115 ATA_IOSIZE, RF_ACTIVE))) 116 return ENXIO; 117 118 /* set the altport range */ 119 if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, &tmp, &tmp)) { 120 bus_set_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, 121 rman_get_start(io) + ATA_CTLOFFSET, ATA_CTLIOSIZE); 122 } 123 124 /* allocate the altport range */ 125 rid = ATA_CTLADDR_RID; 126 if (!(ctlio = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, &rid, 127 ATA_CTLIOSIZE, RF_ACTIVE))) { 128 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io); 129 return ENXIO; 130 } 131 132 /* setup the resource vectors */ 133 for (i = ATA_DATA; i <= ATA_COMMAND; i++) { 134 ch->r_io[i].res = io; 135 ch->r_io[i].offset = i; 136 } 137 ch->r_io[ATA_CONTROL].res = ctlio; 138 ch->r_io[ATA_CONTROL].offset = 0; 139 ch->r_io[ATA_IDX_ADDR].res = io; 140 ata_default_registers(dev); 141 142 /* initialize softc for this channel */ 143 ch->unit = 0; 144 ch->flags |= ATA_USE_16BIT; 145 ata_generic_hw(dev); 146 return ata_attach(dev); 147 } 148 149 static int 150 ata_isa_detach(device_t dev) 151 { 152 struct ata_channel *ch = device_get_softc(dev); 153 int error; 154 155 if (!ch->attached) 156 return (0); 157 ch->attached = 0; 158 159 error = ata_detach(dev); 160 161 bus_release_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, 162 ch->r_io[ATA_CONTROL].res); 163 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, 164 ch->r_io[ATA_IDX_ADDR].res); 165 return (error); 166 } 167 168 static int 169 ata_isa_suspend(device_t dev) 170 { 171 struct ata_channel *ch = device_get_softc(dev); 172 173 if (!ch->attached) 174 return (0); 175 176 return ata_suspend(dev); 177 } 178 179 static int 180 ata_isa_resume(device_t dev) 181 { 182 struct ata_channel *ch = device_get_softc(dev); 183 184 if (!ch->attached) 185 return (0); 186 187 return ata_resume(dev); 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 DEVMETHOD_END 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, NULL, NULL); 208 MODULE_DEPEND(ata, ata, 1, 1, 1); 209 ISA_PNP_INFO(ata_ids); 210