aha_mca.c revision 135260
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 135260 2004-09-15 11:58:34Z phk $"); 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 struct resource * io = NULL; 121 struct resource * irq = NULL; 122 struct resource * drq = NULL; 123 int error = 0; 124 int unit = device_get_unit(dev); 125 int rid; 126 void * ih; 127 128 rid = 0; 129 io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); 130 if (!io) { 131 device_printf(dev, "No I/O space?!\n"); 132 error = ENOMEM; 133 goto bad; 134 } 135 136 rid = 0; 137 irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 138 if (irq == NULL) { 139 device_printf(dev, "No IRQ?!\n"); 140 error = ENOMEM; 141 goto bad; 142 } 143 144 rid = 0; 145 drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid, RF_ACTIVE); 146 if (drq == NULL) { 147 device_printf(dev, "No DRQ?!\n"); 148 error = ENOMEM; 149 goto bad; 150 } 151 152 aha_alloc(sc, unit, rman_get_bustag(io), rman_get_bushandle(io)); 153 error = aha_probe(sc); 154 if (error) { 155 device_printf(dev, "aha_probe() failed!\n"); 156 goto bad; 157 } 158 159 error = aha_fetch_adapter_info(sc); 160 if (error) { 161 device_printf(dev, "aha_fetch_adapter_info() failed!\n"); 162 goto bad; 163 } 164 165 isa_dmacascade(rman_get_start(drq)); 166 167 error = bus_dma_tag_create( 168 /* parent */ NULL, 169 /* alignemnt */ 1, 170 /* boundary */ 0, 171 /* lowaddr */ BUS_SPACE_MAXADDR_24BIT, 172 /* highaddr */ BUS_SPACE_MAXADDR, 173 /* filter */ NULL, 174 /* filterarg */ NULL, 175 /* maxsize */ BUS_SPACE_MAXSIZE_24BIT, 176 /* nsegments */ ~0, 177 /* maxsegsz */ BUS_SPACE_MAXSIZE_24BIT, 178 /* flags */ 0, 179 /* lockfunc */ busdma_lock_mutex, 180 /* lockarg */ &Giant, 181 &sc->parent_dmat); 182 if (error) { 183 device_printf(dev, "bus_dma_tag_create() failed!\n"); 184 goto bad; 185 } 186 187 error = aha_init(sc); 188 if (error) { 189 device_printf(dev, "aha_init() failed\n"); 190 goto bad; 191 } 192 193 error = aha_attach(sc); 194 if (error) { 195 device_printf(dev, "aha_attach() failed\n"); 196 goto bad; 197 } 198 199 error = bus_setup_intr(dev, irq, INTR_TYPE_CAM|INTR_ENTROPY, aha_intr, sc, &ih); 200 if (error) { 201 device_printf(dev, "Unable to register interrupt handler\n"); 202 goto bad; 203 } 204 205 return (0); 206 207bad: 208 aha_free(sc); 209 210 if (io) 211 bus_release_resource(dev, SYS_RES_IOPORT, 0, io); 212 if (irq) 213 bus_release_resource(dev, SYS_RES_IRQ, 0, irq); 214 if (drq) 215 bus_release_resource(dev, SYS_RES_DRQ, 0, drq); 216 217 return (error); 218} 219 220static device_method_t aha_mca_methods[] = { 221 DEVMETHOD(device_probe, aha_mca_probe), 222 DEVMETHOD(device_attach, aha_mca_attach), 223 224 { 0, 0 } 225}; 226 227static driver_t aha_mca_driver = { 228 "aha", 229 aha_mca_methods, 230 1, 231/* 232 sizeof(struct aha_softc *), 233 */ 234}; 235 236static devclass_t aha_devclass; 237 238DRIVER_MODULE(aha, mca, aha_mca_driver, aha_devclass, 0, 0); 239