1 /*- 2 * Copyright (c) 1998,1999,2000,2001,2002 S�ren 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 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 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 * $FreeBSD$ 29 */ 30 31 #include "opt_ata.h" 32 33 #include <sys/param.h> 34 #include <sys/systm.h> 35 #include <sys/kernel.h> 36 #include <sys/module.h> 37 #include <sys/bus.h> 38 #include <sys/malloc.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 46 /* local vars */ 47 static struct isa_pnp_id ata_ids[] = { 48 {0x0006d041, "Generic ESDI/IDE/ATA controller"}, /* PNP0600 */ 49 {0x0106d041, "Plus Hardcard II"}, /* PNP0601 */ 50 {0x0206d041, "Plus Hardcard IIXL/EZ"}, /* PNP0602 */ 51 {0x0306d041, "Generic ATA"}, /* PNP0603 */ 52 {0} 53 }; 54 55 static int 56 ata_isa_intrnoop(struct ata_channel *ch) 57 { 58 return 1; 59 60 } 61 static void 62 ata_isa_lock(struct ata_channel *ch, int type) 63 { 64 } 65 66 static int 67 ata_isa_probe(device_t dev) 68 { 69 struct ata_channel *ch = device_get_softc(dev); 70 struct resource *io; 71 u_long tmp; 72 int rid; 73 74 /* check isapnp ids */ 75 if (ISA_PNP_PROBE(device_get_parent(dev), dev, ata_ids) == ENXIO) 76 return ENXIO; 77 78 /* allocate the io port range */ 79 rid = ATA_IOADDR_RID; 80 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 81 ATA_IOSIZE, RF_ACTIVE); 82 if (!io) 83 return ENOMEM; 84 85 /* set the altport range */ 86 if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, &tmp, &tmp)) { 87 bus_set_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, 88 rman_get_start(io) + ATA_ALTOFFSET, ATA_ALTIOSIZE); 89 } 90 91 bus_release_resource(dev, SYS_RES_IOPORT, rid, io); 92 ch->unit = 0; 93 ch->flags |= ATA_USE_16BIT; 94 ch->intr_func = ata_isa_intrnoop; 95 ch->lock_func = ata_isa_lock; 96 return ata_probe(dev); 97 } 98 99 static device_method_t ata_isa_methods[] = { 100 /* device interface */ 101 DEVMETHOD(device_probe, ata_isa_probe), 102 DEVMETHOD(device_attach, ata_attach), 103 DEVMETHOD(device_resume, ata_resume), 104 { 0, 0 } 105 }; 106 107 static driver_t ata_isa_driver = { 108 "ata", 109 ata_isa_methods, 110 sizeof(struct ata_channel), 111 }; 112 113 DRIVER_MODULE(ata, isa, ata_isa_driver, ata_devclass, 0, 0); 114 115 /* 116 * the following is a bandaid to get ISA only setups to link, 117 * since these are getting rare the ugliness is kept here 118 */ 119 #ifdef ATA_NOPCI 120 int 121 ata_dmaalloc(struct ata_device *atadev) 122 { 123 return ENXIO; 124 } 125 126 void 127 ata_dmafree(struct ata_device *atadev) 128 { 129 } 130 131 void 132 ata_dmafreetags(struct ata_channel *ch) 133 { 134 } 135 136 void 137 ata_dmainit(struct ata_device *atadev, int piomode, int wdmamode, int udmamode) 138 { 139 } 140 141 int 142 ata_dmasetup(struct ata_device *atadev, caddr_t data, int32_t count) 143 { 144 return -1; 145 } 146 147 int 148 ata_dmastart(struct ata_device *atadev, caddr_t data, int32_t count, int dir) 149 { 150 return -1; 151 } 152 153 int 154 ata_dmadone(struct ata_device *atadev) 155 { 156 return -1; 157 } 158 159 int 160 ata_dmastatus(struct ata_channel *ch) 161 { 162 return -1; 163 } 164 #endif 165