1 /* $NetBSD: adv_isa.c,v 1.18 2009/05/12 09:10:15 cegger 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 1.18 2009/05/12 09:10:15 cegger 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(device_t, cfdata_t, void *); 98 void adv_isa_attach(device_t, device_t, 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(device_t parent, cfdata_t match, void *aux) 107 { 108 struct isa_attach_args *ia = aux; 109 bus_space_tag_t iot = ia->ia_iot; 110 bus_space_handle_t ioh; 111 int port_index; 112 int iobase, irq, drq; 113 int rv = 0; 114 115 if (ia->ia_nio < 1) 116 return (0); 117 if (ia->ia_nirq < 1) 118 return (0); 119 if (ia->ia_ndrq < 1) 120 return (0); 121 122 if (ISA_DIRECT_CONFIG(ia)) 123 return (0); 124 125 /* 126 * If the I/O address is wildcarded, look for boards 127 * in ascending order. 128 */ 129 if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT) { 130 for (port_index = 0; port_index < ASC_IOADR_TABLE_MAX_IX; 131 port_index++) { 132 iobase = asc_ioport[port_index]; 133 134 if (iobase) { 135 if (bus_space_map(iot, iobase, ASC_IOADR_GAP, 136 0, &ioh)) 137 continue; 138 139 rv = AscFindSignature(iot, ioh); 140 141 if (rv) { 142 ia->ia_io[0].ir_addr = iobase; 143 break; 144 } 145 146 bus_space_unmap(iot, ioh, ASC_IOADR_GAP); 147 } 148 } 149 if (rv == 0) 150 return (0); 151 } else { 152 iobase = ia->ia_io[0].ir_addr; 153 if (bus_space_map(iot, iobase, ASC_IOADR_GAP, 0, &ioh)) 154 return (0); 155 156 rv = AscFindSignature(iot, ioh); 157 158 if (rv == 0) { 159 bus_space_unmap(iot, ioh, ASC_IOADR_GAP); 160 return (0); 161 } 162 } 163 164 /* XXXJRT Probe routines should not have side-effects!! */ 165 ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT); 166 ASC_SET_CHIP_STATUS(iot, ioh, 0); 167 168 irq = AscGetChipIRQ(iot, ioh, ASC_IS_ISA); 169 drq = AscGetIsaDmaChannel(iot, ioh); 170 171 /* Verify that the IRQ/DRQ match (or are wildcarded). */ 172 if (ia->ia_irq[0].ir_irq != ISA_UNKNOWN_IRQ && 173 ia->ia_irq[0].ir_irq != irq) { 174 rv = 0; 175 goto out; 176 } 177 if (ia->ia_drq[0].ir_drq != ISA_UNKNOWN_DRQ && 178 ia->ia_drq[0].ir_drq != drq) { 179 rv = 0; 180 goto out; 181 } 182 183 ia->ia_nio = 1; 184 ia->ia_io[0].ir_addr = iobase; 185 ia->ia_io[0].ir_size = ASC_IOADR_GAP; 186 187 ia->ia_nirq = 1; 188 ia->ia_irq[0].ir_irq = irq; 189 190 ia->ia_ndrq = 1; 191 ia->ia_drq[0].ir_drq = drq; 192 193 ia->ia_niomem = 0; 194 195 out: 196 bus_space_unmap(iot, ioh, ASC_IOADR_GAP); 197 return rv; 198 } 199 200 201 void 202 adv_isa_attach(device_t parent, device_t self, void *aux) 203 { 204 struct isa_attach_args *ia = aux; 205 ASC_SOFTC *sc = (void *) self; 206 bus_space_tag_t iot = ia->ia_iot; 207 bus_space_handle_t ioh; 208 isa_chipset_tag_t ic = ia->ia_ic; 209 int error; 210 211 printf("\n"); 212 213 sc->sc_flags = 0x0; 214 215 if (bus_space_map(iot, ia->ia_io[0].ir_addr, ASC_IOADR_GAP, 0, &ioh)) { 216 aprint_error_dev(&sc->sc_dev, "can't map i/o space\n"); 217 return; 218 } 219 220 sc->sc_iot = iot; 221 sc->sc_ioh = ioh; 222 sc->sc_dmat = ia->ia_dmat; 223 sc->bus_type = ASC_IS_ISA; 224 sc->chip_version = ASC_GET_CHIP_VER_NO(iot, ioh); 225 /* 226 * Memo: 227 * for EISA cards: 228 * sc->chip_version = (ASC_CHIP_MIN_VER_EISA - 1) + ea->ea_pid[1]; 229 */ 230 231 /* 232 * Initialize the board 233 */ 234 if (adv_init(sc)) { 235 aprint_error_dev(&sc->sc_dev, "adv_init failed\n"); 236 return; 237 } 238 239 if ((error = isa_dmacascade(ic, ia->ia_drq[0].ir_drq)) != 0) { 240 aprint_error_dev(&sc->sc_dev, "unable to cascade DRQ, error = %d\n", error); 241 return; 242 } 243 244 sc->sc_ih = isa_intr_establish(ic, ia->ia_irq[0].ir_irq, IST_EDGE, 245 IPL_BIO, adv_intr, sc); 246 if (sc->sc_ih == NULL) { 247 aprint_error_dev(&sc->sc_dev, "couldn't establish interrupt\n"); 248 return; 249 } 250 251 adv_attach(sc); 252 } 253