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/disk.h> 37 #include <sys/module.h> 38 #include <sys/bus.h> 39 #include <sys/bio.h> 40 #include <sys/malloc.h> 41 #include <sys/devicestat.h> 42 #include <sys/sysctl.h> 43 #include <machine/stdarg.h> 44 #include <machine/resource.h> 45 #include <machine/bus.h> 46 #include <sys/rman.h> 47 #include <isa/isavar.h> 48 #include <dev/ata/ata-all.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 {0} 57 }; 58 59 static int 60 ata_isa_probe(device_t dev) 61 { 62 struct ata_channel *ch = device_get_softc(dev); 63 struct resource *io; 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 to get the start address */ 72 rid = ATA_IOADDR_RID; 73 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 74 ATA_IOSIZE, RF_ACTIVE); 75 if (!io) 76 return ENOMEM; 77 78 /* set the altport range */ 79 if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, &tmp, &tmp)) { 80 bus_set_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, 81 rman_get_start(io) + ATA_ALTOFFSET, ATA_ALTIOSIZE); 82 } 83 84 bus_release_resource(dev, SYS_RES_IOPORT, rid, io); 85 ch->unit = 0; 86 ch->flags |= ATA_USE_16BIT; 87 return ata_probe(dev); 88 } 89 90 static device_method_t ata_isa_methods[] = { 91 /* device interface */ 92 DEVMETHOD(device_probe, ata_isa_probe), 93 DEVMETHOD(device_attach, ata_attach), 94 DEVMETHOD(device_resume, ata_resume), 95 { 0, 0 } 96 }; 97 98 static driver_t ata_isa_driver = { 99 "ata", 100 ata_isa_methods, 101 sizeof(struct ata_channel), 102 }; 103 104 DRIVER_MODULE(ata, isa, ata_isa_driver, ata_devclass, 0, 0); 105 106 /* 107 * the following is a bandaid to get ISA only setups to link, 108 * since these are getting rare the ugliness is kept here 109 */ 110 #ifdef ATA_NOPCI 111 int 112 ata_dmaalloc(struct ata_device *atadev) 113 { 114 return ENXIO; 115 } 116 117 void 118 ata_dmafree(struct ata_device *atadev) 119 { 120 } 121 122 void 123 ata_dmafreetags(struct ata_channel *ch) 124 { 125 } 126 127 void 128 ata_dmainit(struct ata_device *atadev, int piomode, int wdmamode, int udmamode) 129 { 130 } 131 132 int 133 ata_dmasetup(struct ata_device *atadev, caddr_t data, int32_t count) 134 { 135 return -1; 136 } 137 138 int 139 ata_dmastart(struct ata_device *atadev, caddr_t data, int32_t count, int dir) 140 { 141 return -1; 142 } 143 144 int 145 ata_dmadone(struct ata_device *atadev) 146 { 147 return -1; 148 } 149 150 int 151 ata_dmastatus(struct ata_channel *ch) 152 { 153 return -1; 154 } 155 #endif 156