aha_mca.c revision 183678
1/*- 2 * Copyright (c) 1999 Matthew N. Dodd <winter@jurai.net> 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 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * Based on aha_isa.c 27 */ 28 29#include <sys/cdefs.h> 30__FBSDID("$FreeBSD: head/sys/dev/aha/aha_mca.c 183678 2008-10-07 23:55:32Z imp $"); 31 32#include <sys/types.h> 33#include <sys/param.h> 34#include <sys/kernel.h> 35#include <sys/lock.h> 36#include <sys/mutex.h> 37 38#include <sys/module.h> 39#include <sys/bus.h> 40#include <machine/bus.h> 41#include <machine/resource.h> 42#include <sys/rman.h> 43 44#include <isa/isavar.h> 45 46#include <dev/mca/mca_busreg.h> 47#include <dev/mca/mca_busvar.h> 48 49#include <dev/aha/ahareg.h> 50 51static struct mca_ident aha_mca_devs[] = { 52 { 0x0f1f, "Adaptec AHA-1640 SCSI Adapter" }, 53 { 0, NULL }, 54}; 55 56#define AHA_MCA_IOPORT_POS MCA_ADP_POS(MCA_POS1) 57# define AHA_MCA_IOPORT_MASK1 0x07 58# define AHA_MCA_IOPORT_MASK2 0xc0 59# define AHA_MCA_IOPORT_SIZE 0x03 60# define AHA_MCA_IOPORT(pos) (0x30 + \ 61 (((uint32_t)pos & \ 62 AHA_MCA_IOPORT_MASK1) << 8) + \ 63 (((uint32_t)pos & \ 64 AHA_MCA_IOPORT_MASK2) >> 4)) 65 66#define AHA_MCA_DRQ_POS MCA_ADP_POS(MCA_POS3) 67# define AHA_MCA_DRQ_MASK 0x0f 68# define AHA_MCA_DRQ(pos) (pos & AHA_MCA_DRQ_MASK) 69 70#define AHA_MCA_IRQ_POS MCA_ADP_POS(MCA_POS2) 71# define AHA_MCA_IRQ_MASK 0x07 72# define AHA_MCA_IRQ(pos) ((pos & AHA_MCA_IRQ_MASK) + 8) 73 74/* 75 * Not needed as the board knows its config 76 * internally and the ID will be fetched 77 * via AOP_INQUIRE_SETUP_INFO command. 78 */ 79#define AHA_MCA_SCSIID_POS MCA_ADP_POS(MCA_POS2) 80#define AHA_MCA_SCSIID_MASK 0xe0 81#define AHA_MCA_SCSIID(pos) ((pos & AHA_MCA_SCSIID_MASK) >> 5) 82 83static int 84aha_mca_probe (device_t dev) 85{ 86 const char * desc; 87 mca_id_t id = mca_get_id(dev); 88 uint32_t iobase = 0; 89 uint32_t iosize = 0; 90 uint8_t drq = 0; 91 uint8_t irq = 0; 92 uint8_t pos; 93 94 desc = mca_match_id(id, aha_mca_devs); 95 if (!desc) 96 return (ENXIO); 97 device_set_desc(dev, desc); 98 99 pos = mca_pos_read(dev, AHA_MCA_IOPORT_POS); 100 iobase = AHA_MCA_IOPORT(pos); 101 iosize = AHA_MCA_IOPORT_SIZE; 102 103 pos = mca_pos_read(dev, AHA_MCA_DRQ_POS); 104 drq = AHA_MCA_DRQ(pos); 105 106 pos = mca_pos_read(dev, AHA_MCA_IRQ_POS); 107 irq = AHA_MCA_IRQ(pos); 108 109 mca_add_iospace(dev, iobase, iosize); 110 mca_add_drq(dev, drq); 111 mca_add_irq(dev, irq); 112 113 return (0); 114} 115 116static int 117aha_mca_attach (device_t dev) 118{ 119 struct aha_softc * sc = device_get_softc(dev); 120 int error = ENOMEM; 121 int unit = device_get_unit(dev); 122 void * ih; 123 124 sc->portrid = 0; 125 sc->port = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &sc->portrid, 126 RF_ACTIVE); 127 if (sc->port == NULL) { 128 device_printf(dev, "No I/O space?!\n"); 129 goto bad; 130 } 131 132 sc->irqrid = 0; 133 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irqrid, 134 RF_ACTIVE); 135 if (sc->irq == NULL) { 136 device_printf(dev, "No IRQ?!\n"); 137 goto bad; 138 } 139 140 sc->drqrid = 0; 141 sc->drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &sc->drqrid, 142 RF_ACTIVE); 143 if (sc->drq == NULL) { 144 device_printf(dev, "No DRQ?!\n"); 145 goto bad; 146 } 147 148 aha_alloc(sc, unit, rman_get_bustag(sc->port), 149 rman_get_bushandle(sc->port)); 150 error = aha_probe(sc); 151 if (error) { 152 device_printf(dev, "aha_probe() failed!\n"); 153 goto bad; 154 } 155 156 error = aha_fetch_adapter_info(sc); 157 if (error) { 158 device_printf(dev, "aha_fetch_adapter_info() failed!\n"); 159 goto bad; 160 } 161 162 isa_dmacascade(rman_get_start(sc->drq)); 163 164 error = bus_dma_tag_create( 165 /* parent */ bus_get_dma_tag(dev), 166 /* alignemnt */ 1, 167 /* boundary */ 0, 168 /* lowaddr */ BUS_SPACE_MAXADDR_24BIT, 169 /* highaddr */ BUS_SPACE_MAXADDR, 170 /* filter */ NULL, 171 /* filterarg */ NULL, 172 /* maxsize */ BUS_SPACE_MAXSIZE_24BIT, 173 /* nsegments */ ~0, 174 /* maxsegsz */ BUS_SPACE_MAXSIZE_24BIT, 175 /* flags */ 0, 176 /* lockfunc */ busdma_lock_mutex, 177 /* lockarg */ &Giant, 178 &sc->parent_dmat); 179 if (error) { 180 device_printf(dev, "bus_dma_tag_create() failed!\n"); 181 goto bad; 182 } 183 184 error = aha_init(sc); 185 if (error) { 186 device_printf(dev, "aha_init() failed\n"); 187 goto bad; 188 } 189 190 error = aha_attach(sc); 191 if (error) { 192 device_printf(dev, "aha_attach() failed\n"); 193 goto bad; 194 } 195 196 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_CAM | INTR_ENTROPY, 197 NULL, aha_intr, sc, &ih); 198 if (error) { 199 device_printf(dev, "Unable to register interrupt handler\n"); 200 goto bad; 201 } 202 203 return (0); 204 205bad: 206 aha_free(sc); 207 bus_free_resource(dev, SYS_RES_IOPORT, sc->port); 208 bus_free_resource(dev, SYS_RES_IRQ, sc->irq); 209 bus_free_resource(dev, SYS_RES_DRQ, sc->drq); 210 return (error); 211} 212 213static device_method_t aha_mca_methods[] = { 214 DEVMETHOD(device_probe, aha_mca_probe), 215 DEVMETHOD(device_attach, aha_mca_attach), 216 217 { 0, 0 } 218}; 219 220static driver_t aha_mca_driver = { 221 "aha", 222 aha_mca_methods, 223 1, 224/* 225 sizeof(struct aha_softc *), 226 */ 227}; 228 229static devclass_t aha_devclass; 230 231DRIVER_MODULE(aha, mca, aha_mca_driver, aha_devclass, 0, 0); 232MODULE_DEPEND(aha, mca, 1, 1, 1); 233