aha_mca.c revision 51829
167761Smsmith/*- 267761Smsmith * Copyright (c) 1999 Matthew N. Dodd <winter@jurai.net> 367761Smsmith * All rights reserved. 467761Smsmith * 567761Smsmith * Redistribution and use in source and binary forms, with or without 667761Smsmith * modification, are permitted provided that the following conditions 767761Smsmith * are met: 867761Smsmith * 1. Redistributions of source code must retain the above copyright 967761Smsmith * notice, this list of conditions and the following disclaimer. 1067761Smsmith * 2. Redistributions in binary form must reproduce the above copyright 1167761Smsmith * notice, this list of conditions and the following disclaimer in the 1267761Smsmith * documentation and/or other materials provided with the distribution. 1367761Smsmith * 1467761Smsmith * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1567761Smsmith * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1667761Smsmith * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1767761Smsmith * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1867761Smsmith * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1967761Smsmith * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2067761Smsmith * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2167761Smsmith * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2267761Smsmith * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2367761Smsmith * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2467761Smsmith * SUCH DAMAGE. 2567761Smsmith * 2667761Smsmith * $FreeBSD: head/sys/dev/aha/aha_mca.c 51829 1999-10-01 03:12:15Z mdodd $ 2767761Smsmith * 2867761Smsmith * Based on aha_isa.c 2967761Smsmith */ 3069744Smsmith 3169744Smsmith#include <sys/types.h> 3269744Smsmith#include <sys/param.h> 3367761Smsmith#include <sys/systm.h> 3467761Smsmith#include <sys/kernel.h> 3567761Smsmith 3667761Smsmith#include <sys/module.h> 3770271Stakawata#include <sys/bus.h> 3870271Stakawata#include <machine/bus.h> 3970271Stakawata#include <machine/resource.h> 4070271Stakawata#include <sys/rman.h> 4170271Stakawata 4270271Stakawata#include <i386/isa/isa_dma.h> 4370271Stakawata 4470271Stakawata#include <dev/mca/mca_busreg.h> 4570271Stakawata#include <dev/mca/mca_busvar.h> 4670271Stakawata 4770271Stakawata#include <dev/aha/ahareg.h> 4870271Stakawata 4970271Stakawatastatic struct mca_ident aha_mca_devs[] = { 5070271Stakawata { 0x0f1f, "Adaptec AHA-1640 SCSI Adapter" }, 5170271Stakawata { 0, NULL }, 5270271Stakawata}; 5370271Stakawata 5470271Stakawata#define AHA_MCA_IOPORT_POS MCA_ADP_POS(MCA_POS1) 5570271Stakawata# define AHA_MCA_IOPORT_MASK1 0x07 5670271Stakawata# define AHA_MCA_IOPORT_MASK2 0xc0 5770271Stakawata# define AHA_MCA_IOPORT_SIZE 0x03 5870271Stakawata# define AHA_MCA_IOPORT(pos) (0x30 + \ 5970271Stakawata (((u_int32_t)pos & \ 6070271Stakawata AHA_MCA_IOPORT_MASK1) << 8) + \ 6169744Smsmith (((u_int32_t)pos & \ 6269744Smsmith AHA_MCA_IOPORT_MASK2) >> 4)) 6369744Smsmith 6469744Smsmith#define AHA_MCA_DRQ_POS MCA_ADP_POS(MCA_POS3) 65# define AHA_MCA_DRQ_MASK 0x0f 66# define AHA_MCA_DRQ(pos) (pos & AHA_MCA_DRQ_MASK) 67 68#define AHA_MCA_IRQ_POS MCA_ADP_POS(MCA_POS2) 69# define AHA_MCA_IRQ_MASK 0x07 70# define AHA_MCA_IRQ(pos) ((pos & AHA_MCA_IRQ_MASK) + 8) 71 72/* 73 * Not needed as the board knows its config 74 * internally and the ID will be fetched 75 * via AOP_INQUIRE_SETUP_INFO command. 76 */ 77#define AHA_MCA_SCSIID_POS MCA_ADP_POS(MCA_POS2) 78#define AHA_MCA_SCSIID_MASK 0xe0 79#define AHA_MCA_SCSIID(pos) ((pos & AHA_MCA_SCSIID_MASK) >> 5) 80 81static int 82aha_mca_probe (device_t dev) 83{ 84 const char * desc; 85 mca_id_t id = mca_get_id(dev); 86 u_int32_t iobase = 0; 87 u_int32_t iosize = 0; 88 u_int8_t drq = 0; 89 u_int8_t irq = 0; 90 u_int8_t pos; 91 92 desc = mca_match_id(id, aha_mca_devs); 93 if (!desc) 94 return (ENXIO); 95 device_set_desc(dev, desc); 96 97 pos = mca_pos_read(dev, AHA_MCA_IOPORT_POS); 98 iobase = AHA_MCA_IOPORT(pos); 99 iosize = AHA_MCA_IOPORT_SIZE; 100 101 pos = mca_pos_read(dev, AHA_MCA_DRQ_POS); 102 drq = AHA_MCA_DRQ(pos); 103 104 pos = mca_pos_read(dev, AHA_MCA_IRQ_POS); 105 irq = AHA_MCA_IRQ(pos); 106 107 mca_add_iospace(dev, iobase, iosize); 108 mca_add_drq(dev, drq); 109 mca_add_irq(dev, irq); 110 111 /* We're going to attempt to probe it now, so mark it probed */ 112 aha_mark_probed_iop(iobase); 113 114 aha_unit++; 115 116 return (0); 117} 118 119static int 120aha_mca_attach (device_t dev) 121{ 122 struct aha_softc * sc = NULL; 123 struct resource * io = NULL; 124 struct resource * irq = NULL; 125 struct resource * drq = NULL; 126 int error = 0; 127 int unit = device_get_unit(dev); 128 int rid; 129 void * ih; 130 131 rid = 0; 132 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 133 0, ~0, 1, RF_ACTIVE); 134 if (!io) { 135 device_printf(dev, "No I/O space?!\n"); 136 error = ENOMEM; 137 goto bad; 138 } 139 140 rid = 0; 141 irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 142 0, ~0, 1, RF_ACTIVE); 143 if (irq == NULL) { 144 device_printf(dev, "No IRQ?!\n"); 145 error = ENOMEM; 146 goto bad; 147 } 148 149 rid = 0; 150 drq = bus_alloc_resource(dev, SYS_RES_DRQ, &rid, 151 0, ~0, 1, RF_ACTIVE); 152 if (drq == NULL) { 153 device_printf(dev, "No DRQ?!\n"); 154 error = ENOMEM; 155 goto bad; 156 } 157 158 sc = aha_alloc(unit, rman_get_bustag(io), rman_get_bushandle(io)); 159 if (sc == NULL) { 160 device_printf(dev, "aha_alloc() failed!\n"); 161 error = ENOMEM; 162 goto bad; 163 } 164 165 error = aha_probe(sc); 166 if (error) { 167 device_printf(dev, "aha_probe() failed!\n"); 168 goto bad; 169 } 170 171 error = aha_fetch_adapter_info(sc); 172 if (error) { 173 device_printf(dev, "aha_fetch_adapter_info() failed!\n"); 174 goto bad; 175 } 176 177 isa_dmacascade(rman_get_start(drq)); 178 179 error = bus_dma_tag_create(/* parent */ NULL, 180 /* alignemnt */ 1, 181 /* boundary */ 0, 182 BUS_SPACE_MAXADDR_24BIT, 183 /* highaddr */ BUS_SPACE_MAXADDR, 184 NULL, 185 NULL, 186 /* maxsize */ BUS_SPACE_MAXSIZE_24BIT, 187 /* nsegments */ BUS_SPACE_UNRESTRICTED, 188 /* maxsegsz */ BUS_SPACE_MAXSIZE_24BIT, 189 /* flags */ 0, 190 &sc->parent_dmat); 191 if (error) { 192 device_printf(dev, "bus_dma_tag_create() failed!\n"); 193 goto bad; 194 } 195 196 error = aha_init(sc); 197 if (error) { 198 device_printf(dev, "aha_init() failed\n"); 199 goto bad; 200 } 201 202 error = aha_attach(sc); 203 if (error) { 204 device_printf(dev, "aha_attach() failed\n"); 205 goto bad; 206 } 207 208 error = bus_setup_intr(dev, irq, INTR_TYPE_CAM, aha_intr, sc, &ih); 209 if (error) { 210 device_printf(dev, "Unable to register interrupt handler\n"); 211 goto bad; 212 } 213 214 return (0); 215 216bad: 217 aha_free(sc); 218 219 if (io) 220 bus_release_resource(dev, SYS_RES_IOPORT, 0, io); 221 if (irq) 222 bus_release_resource(dev, SYS_RES_IRQ, 0, irq); 223 if (drq) 224 bus_release_resource(dev, SYS_RES_DRQ, 0, drq); 225 226 return (error); 227} 228 229static device_method_t aha_mca_methods[] = { 230 DEVMETHOD(device_probe, aha_mca_probe), 231 DEVMETHOD(device_attach, aha_mca_attach), 232 233 { 0, 0 } 234}; 235 236static driver_t aha_mca_driver = { 237 "aha", 238 aha_mca_methods, 239 1, 240/* 241 sizeof(struct aha_softc *), 242 */ 243}; 244 245static devclass_t aha_devclass; 246 247DRIVER_MODULE(aha, mca, aha_mca_driver, aha_devclass, 0, 0); 248