1 /* $NetBSD: adv_isa.c,v 1.16 2008/04/28 20:23:51 martin Exp $ */ 2 3 /* 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved. 5 * 6 * Author: Baldassare Dante Profeta <dante@mclink.it> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 */ 29 /* 30 * Device probe and attach routines for the following 31 * Advanced Systems Inc. SCSI controllers: 32 * 33 * Connectivity Products: 34 * ABP510/5150 - Bus-Master ISA (240 CDB) (Footnote 1) 35 * ABP5140 - Bus-Master ISA (16 CDB) (Footnote 1) (Footnote 2) 36 * ABP5142 - Bus-Master ISA with floppy (16 CDB) (Footnote 3) 37 * 38 * Single Channel Products: 39 * ABP542 - Bus-Master ISA with floppy (240 CDB) 40 * ABP842 - Bus-Master VL (240 CDB) 41 * 42 * Dual Channel Products: 43 * ABP852 - Dual Channel Bus-Master VL (240 CDB Per Channel) 44 * 45 * Footnotes: 46 * 1. This board has been shipped by HP with the 4020i CD-R drive. 47 * The board has no BIOS so it cannot control a boot device, but 48 * it can control any secondary SCSI device. 49 * 2. This board has been sold by SIIG as the i540 SpeedMaster. 50 * 3. This board has been sold by SIIG as the i542 SpeedMaster. 51 */ 52 53 #include <sys/cdefs.h> 54 __KERNEL_RCSID(0, "$NetBSD: adv_isa.c,v 1.16 2008/04/28 20:23:51 martin Exp $"); 55 56 #include <sys/param.h> 57 #include <sys/systm.h> 58 #include <sys/kernel.h> 59 #include <sys/errno.h> 60 #include <sys/ioctl.h> 61 #include <sys/device.h> 62 #include <sys/buf.h> 63 #include <sys/proc.h> 64 #include <sys/user.h> 65 #include <sys/queue.h> 66 67 #include <sys/bus.h> 68 69 #include <dev/scsipi/scsi_all.h> 70 #include <dev/scsipi/scsipi_all.h> 71 #include <dev/scsipi/scsiconf.h> 72 73 #include <dev/isa/isavar.h> 74 75 #include <dev/ic/advlib.h> 76 #include <dev/ic/adv.h> 77 78 79 /* Possible port addresses an ISA or VL adapter can live at */ 80 static int asc_ioport[ASC_IOADR_TABLE_MAX_IX] = 81 { 82 0x100, 83 ASC_IOADR_1, /* First selection in BIOS setup */ 84 0x120, 85 ASC_IOADR_2, /* Second selection in BIOS setup */ 86 0x140, 87 ASC_IOADR_3, /* Third selection in BIOS setup */ 88 ASC_IOADR_4, /* Fourth selection in BIOS setup */ 89 ASC_IOADR_5, /* Fifth selection in BIOS setup */ 90 ASC_IOADR_6, /* Sixth selection in BIOS setup */ 91 ASC_IOADR_7, /* Seventh selection in BIOS setup */ 92 ASC_IOADR_8 /* Eighth and default selection in BIOS setup */ 93 }; 94 95 /******************************************************************************/ 96 97 int adv_isa_probe(struct device *, struct cfdata *, void *); 98 void adv_isa_attach(struct device *, struct device *, void *); 99 100 CFATTACH_DECL(adv_isa, sizeof(ASC_SOFTC), 101 adv_isa_probe, adv_isa_attach, NULL, NULL); 102 103 /******************************************************************************/ 104 105 int 106 adv_isa_probe( struct device *parent, struct cfdata *match, 107 void *aux) 108 { 109 struct isa_attach_args *ia = aux; 110 bus_space_tag_t iot = ia->ia_iot; 111 bus_space_handle_t ioh; 112 int port_index; 113 int iobase, irq, drq; 114 int rv = 0; 115 116 if (ia->ia_nio < 1) 117 return (0); 118 if (ia->ia_nirq < 1) 119 return (0); 120 if (ia->ia_ndrq < 1) 121 return (0); 122 123 if (ISA_DIRECT_CONFIG(ia)) 124 return (0); 125 126 /* 127 * If the I/O address is wildcarded, look for boards 128 * in ascending order. 129 */ 130 if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT) { 131 for (port_index = 0; port_index < ASC_IOADR_TABLE_MAX_IX; 132 port_index++) { 133 iobase = asc_ioport[port_index]; 134 135 if (iobase) { 136 if (bus_space_map(iot, iobase, ASC_IOADR_GAP, 137 0, &ioh)) 138 continue; 139 140 rv = AscFindSignature(iot, ioh); 141 142 if (rv) { 143 ia->ia_io[0].ir_addr = iobase; 144 break; 145 } 146 147 bus_space_unmap(iot, ioh, ASC_IOADR_GAP); 148 } 149 } 150 if (rv == 0) 151 return (0); 152 } else { 153 iobase = ia->ia_io[0].ir_addr; 154 if (bus_space_map(iot, iobase, ASC_IOADR_GAP, 0, &ioh)) 155 return (0); 156 157 rv = AscFindSignature(iot, ioh); 158 159 if (rv == 0) { 160 bus_space_unmap(iot, ioh, ASC_IOADR_GAP); 161 return (0); 162 } 163 } 164 165 /* XXXJRT Probe routines should not have side-effects!! */ 166 ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT); 167 ASC_SET_CHIP_STATUS(iot, ioh, 0); 168 169 irq = AscGetChipIRQ(iot, ioh, ASC_IS_ISA); 170 drq = AscGetIsaDmaChannel(iot, ioh); 171 172 /* Verify that the IRQ/DRQ match (or are wildcarded). */ 173 if (ia->ia_irq[0].ir_irq != ISA_UNKNOWN_IRQ && 174 ia->ia_irq[0].ir_irq != irq) { 175 rv = 0; 176 goto out; 177 } 178 if (ia->ia_drq[0].ir_drq != ISA_UNKNOWN_DRQ && 179 ia->ia_drq[0].ir_drq != drq) { 180 rv = 0; 181 goto out; 182 } 183 184 ia->ia_nio = 1; 185 ia->ia_io[0].ir_addr = iobase; 186 ia->ia_io[0].ir_size = ASC_IOADR_GAP; 187 188 ia->ia_nirq = 1; 189 ia->ia_irq[0].ir_irq = irq; 190 191 ia->ia_ndrq = 1; 192 ia->ia_drq[0].ir_drq = drq; 193 194 ia->ia_niomem = 0; 195 196 out: 197 bus_space_unmap(iot, ioh, ASC_IOADR_GAP); 198 return rv; 199 } 200 201 202 void 203 adv_isa_attach(struct device *parent, struct device *self, void *aux) 204 { 205 struct isa_attach_args *ia = aux; 206 ASC_SOFTC *sc = (void *) self; 207 bus_space_tag_t iot = ia->ia_iot; 208 bus_space_handle_t ioh; 209 isa_chipset_tag_t ic = ia->ia_ic; 210 int error; 211 212 printf("\n"); 213 214 sc->sc_flags = 0x0; 215 216 if (bus_space_map(iot, ia->ia_io[0].ir_addr, ASC_IOADR_GAP, 0, &ioh)) { 217 aprint_error_dev(&sc->sc_dev, "can't map i/o space\n"); 218 return; 219 } 220 221 sc->sc_iot = iot; 222 sc->sc_ioh = ioh; 223 sc->sc_dmat = ia->ia_dmat; 224 sc->bus_type = ASC_IS_ISA; 225 sc->chip_version = ASC_GET_CHIP_VER_NO(iot, ioh); 226 /* 227 * Memo: 228 * for EISA cards: 229 * sc->chip_version = (ASC_CHIP_MIN_VER_EISA - 1) + ea->ea_pid[1]; 230 */ 231 232 /* 233 * Initialize the board 234 */ 235 if (adv_init(sc)) { 236 aprint_error_dev(&sc->sc_dev, "adv_init failed\n"); 237 return; 238 } 239 240 if ((error = isa_dmacascade(ic, ia->ia_drq[0].ir_drq)) != 0) { 241 aprint_error_dev(&sc->sc_dev, "unable to cascade DRQ, error = %d\n", error); 242 return; 243 } 244 245 sc->sc_ih = isa_intr_establish(ic, ia->ia_irq[0].ir_irq, IST_EDGE, 246 IPL_BIO, adv_intr, sc); 247 if (sc->sc_ih == NULL) { 248 aprint_error_dev(&sc->sc_dev, "couldn't establish interrupt\n"); 249 return; 250 } 251 252 adv_attach(sc); 253 } 254