1 /*- 2 * Copyright (c) 1998 - 2004 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 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include "opt_ata.h" 33 #include <sys/param.h> 34 #include <sys/systm.h> 35 #include <sys/ata.h> 36 #include <sys/kernel.h> 37 #include <sys/module.h> 38 #include <sys/bus.h> 39 #include <sys/malloc.h> 40 #include <sys/sema.h> 41 #include <sys/taskqueue.h> 42 #include <vm/uma.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 /* PNP0680 */ 57 {0x8006d041, "Standard bus mastering IDE hard disk controller"}, 58 {0} 59 }; 60 61 static int 62 ata_isa_locknoop(struct ata_channel *ch, int type) 63 { 64 return ch->unit; 65 } 66 67 static void 68 ata_isa_setmode(struct ata_device *atadev, int mode) 69 { 70 atadev->mode = ata_limit_mode(atadev, mode, ATA_PIO_MAX); 71 } 72 73 static int 74 ata_isa_probe(device_t dev) 75 { 76 struct ata_channel *ch = device_get_softc(dev); 77 struct resource *io = NULL, *altio = NULL; 78 u_long tmp; 79 int i, rid; 80 81 /* check isapnp ids */ 82 if (ISA_PNP_PROBE(device_get_parent(dev), dev, ata_ids) == ENXIO) 83 return ENXIO; 84 85 /* allocate the io port range */ 86 rid = ATA_IOADDR_RID; 87 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 88 ATA_IOSIZE, RF_ACTIVE); 89 if (!io) 90 return ENXIO; 91 92 /* set the altport range */ 93 if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, &tmp, &tmp)) { 94 bus_set_resource(dev, SYS_RES_IOPORT, ATA_ALTADDR_RID, 95 rman_get_start(io) + ATA_ALTOFFSET, ATA_ALTIOSIZE); 96 } 97 98 /* allocate the altport range */ 99 rid = ATA_ALTADDR_RID; 100 altio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 101 ATA_ALTIOSIZE, RF_ACTIVE); 102 if (!altio) { 103 bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io); 104 return ENXIO; 105 } 106 107 /* setup the resource vectors */ 108 for (i = ATA_DATA; i <= ATA_STATUS; i++) { 109 ch->r_io[i].res = io; 110 ch->r_io[i].offset = i; 111 } 112 ch->r_io[ATA_ALTSTAT].res = altio; 113 ch->r_io[ATA_ALTSTAT].offset = 0; 114 115 /* initialize softc for this channel */ 116 ch->unit = 0; 117 ch->flags |= ATA_USE_16BIT; 118 ch->locking = ata_isa_locknoop; 119 ch->device[MASTER].setmode = ata_isa_setmode; 120 ch->device[SLAVE].setmode = ata_isa_setmode; 121 ata_generic_hw(ch); 122 return ata_probe(dev); 123 } 124 125 static device_method_t ata_isa_methods[] = { 126 /* device interface */ 127 DEVMETHOD(device_probe, ata_isa_probe), 128 DEVMETHOD(device_attach, ata_attach), 129 DEVMETHOD(device_resume, ata_resume), 130 { 0, 0 } 131 }; 132 133 static driver_t ata_isa_driver = { 134 "ata", 135 ata_isa_methods, 136 sizeof(struct ata_channel), 137 }; 138 139 DRIVER_MODULE(ata, isa, ata_isa_driver, ata_devclass, 0, 0); 140