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