aha_mca.c revision 112782
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 * $FreeBSD: head/sys/dev/aha/aha_mca.c 112782 2003-03-29 09:46:10Z mdodd $ 27 * 28 * Based on aha_isa.c 29 */ 30 31#include <sys/types.h> 32#include <sys/param.h> 33#include <sys/kernel.h> 34 35#include <sys/module.h> 36#include <sys/bus.h> 37#include <machine/bus.h> 38#include <machine/resource.h> 39#include <sys/rman.h> 40 41#include <i386/isa/isa_dma.h> 42 43#include <dev/mca/mca_busreg.h> 44#include <dev/mca/mca_busvar.h> 45 46#include <dev/aha/ahareg.h> 47 48static struct mca_ident aha_mca_devs[] = { 49 { 0x0f1f, "Adaptec AHA-1640 SCSI Adapter" }, 50 { 0, NULL }, 51}; 52 53#define AHA_MCA_IOPORT_POS MCA_ADP_POS(MCA_POS1) 54# define AHA_MCA_IOPORT_MASK1 0x07 55# define AHA_MCA_IOPORT_MASK2 0xc0 56# define AHA_MCA_IOPORT_SIZE 0x03 57# define AHA_MCA_IOPORT(pos) (0x30 + \ 58 (((u_int32_t)pos & \ 59 AHA_MCA_IOPORT_MASK1) << 8) + \ 60 (((u_int32_t)pos & \ 61 AHA_MCA_IOPORT_MASK2) >> 4)) 62 63#define AHA_MCA_DRQ_POS MCA_ADP_POS(MCA_POS3) 64# define AHA_MCA_DRQ_MASK 0x0f 65# define AHA_MCA_DRQ(pos) (pos & AHA_MCA_DRQ_MASK) 66 67#define AHA_MCA_IRQ_POS MCA_ADP_POS(MCA_POS2) 68# define AHA_MCA_IRQ_MASK 0x07 69# define AHA_MCA_IRQ(pos) ((pos & AHA_MCA_IRQ_MASK) + 8) 70 71/* 72 * Not needed as the board knows its config 73 * internally and the ID will be fetched 74 * via AOP_INQUIRE_SETUP_INFO command. 75 */ 76#define AHA_MCA_SCSIID_POS MCA_ADP_POS(MCA_POS2) 77#define AHA_MCA_SCSIID_MASK 0xe0 78#define AHA_MCA_SCSIID(pos) ((pos & AHA_MCA_SCSIID_MASK) >> 5) 79 80static int 81aha_mca_probe (device_t dev) 82{ 83 const char * desc; 84 mca_id_t id = mca_get_id(dev); 85 u_int32_t iobase = 0; 86 u_int32_t iosize = 0; 87 u_int8_t drq = 0; 88 u_int8_t irq = 0; 89 u_int8_t pos; 90 91 desc = mca_match_id(id, aha_mca_devs); 92 if (!desc) 93 return (ENXIO); 94 device_set_desc(dev, desc); 95 96 pos = mca_pos_read(dev, AHA_MCA_IOPORT_POS); 97 iobase = AHA_MCA_IOPORT(pos); 98 iosize = AHA_MCA_IOPORT_SIZE; 99 100 pos = mca_pos_read(dev, AHA_MCA_DRQ_POS); 101 drq = AHA_MCA_DRQ(pos); 102 103 pos = mca_pos_read(dev, AHA_MCA_IRQ_POS); 104 irq = AHA_MCA_IRQ(pos); 105 106 mca_add_iospace(dev, iobase, iosize); 107 mca_add_drq(dev, drq); 108 mca_add_irq(dev, irq); 109 110 aha_unit++; 111 112 return (0); 113} 114 115static int 116aha_mca_attach (device_t dev) 117{ 118 struct aha_softc * sc = NULL; 119 struct resource * io = NULL; 120 struct resource * irq = NULL; 121 struct resource * drq = NULL; 122 int error = 0; 123 int unit = device_get_unit(dev); 124 int rid; 125 void * ih; 126 127 rid = 0; 128 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 129 0, ~0, 1, 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(dev, SYS_RES_IRQ, &rid, 138 0, ~0, 1, RF_ACTIVE); 139 if (irq == NULL) { 140 device_printf(dev, "No IRQ?!\n"); 141 error = ENOMEM; 142 goto bad; 143 } 144 145 rid = 0; 146 drq = bus_alloc_resource(dev, SYS_RES_DRQ, &rid, 147 0, ~0, 1, RF_ACTIVE); 148 if (drq == NULL) { 149 device_printf(dev, "No DRQ?!\n"); 150 error = ENOMEM; 151 goto bad; 152 } 153 154 sc = aha_alloc(unit, rman_get_bustag(io), rman_get_bushandle(io)); 155 if (sc == NULL) { 156 device_printf(dev, "aha_alloc() failed!\n"); 157 error = ENOMEM; 158 goto bad; 159 } 160 161 error = aha_probe(sc); 162 if (error) { 163 device_printf(dev, "aha_probe() failed!\n"); 164 goto bad; 165 } 166 167 error = aha_fetch_adapter_info(sc); 168 if (error) { 169 device_printf(dev, "aha_fetch_adapter_info() failed!\n"); 170 goto bad; 171 } 172 173 isa_dmacascade(rman_get_start(drq)); 174 175 error = bus_dma_tag_create( 176 /* parent */ NULL, 177 /* alignemnt */ 1, 178 /* boundary */ 0, 179 /* lowaddr */ BUS_SPACE_MAXADDR_24BIT, 180 /* highaddr */ BUS_SPACE_MAXADDR, 181 /* filter */ NULL, 182 /* filterarg */ NULL, 183 /* maxsize */ BUS_SPACE_MAXSIZE_24BIT, 184 /* nsegments */ ~0, 185 /* maxsegsz */ BUS_SPACE_MAXSIZE_24BIT, 186 /* flags */ 0, 187 &sc->parent_dmat); 188 if (error) { 189 device_printf(dev, "bus_dma_tag_create() failed!\n"); 190 goto bad; 191 } 192 193 error = aha_init(sc); 194 if (error) { 195 device_printf(dev, "aha_init() failed\n"); 196 goto bad; 197 } 198 199 error = aha_attach(sc); 200 if (error) { 201 device_printf(dev, "aha_attach() failed\n"); 202 goto bad; 203 } 204 205 error = bus_setup_intr(dev, irq, INTR_TYPE_CAM|INTR_ENTROPY, aha_intr, sc, &ih); 206 if (error) { 207 device_printf(dev, "Unable to register interrupt handler\n"); 208 goto bad; 209 } 210 211 return (0); 212 213bad: 214 aha_free(sc); 215 216 if (io) 217 bus_release_resource(dev, SYS_RES_IOPORT, 0, io); 218 if (irq) 219 bus_release_resource(dev, SYS_RES_IRQ, 0, irq); 220 if (drq) 221 bus_release_resource(dev, SYS_RES_DRQ, 0, drq); 222 223 return (error); 224} 225 226static device_method_t aha_mca_methods[] = { 227 DEVMETHOD(device_probe, aha_mca_probe), 228 DEVMETHOD(device_attach, aha_mca_attach), 229 230 { 0, 0 } 231}; 232 233static driver_t aha_mca_driver = { 234 "aha", 235 aha_mca_methods, 236 1, 237/* 238 sizeof(struct aha_softc *), 239 */ 240}; 241 242static devclass_t aha_devclass; 243 244DRIVER_MODULE(aha, mca, aha_mca_driver, aha_devclass, 0, 0); 245