Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/aha/aha_isa.c
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1 /* 2 * Product specific probe and attach routines for: 3 * Adaptec 154x. 4 */ 5 /*- 6 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 7 * 8 * Copyright (c) 1999-2003 M. Warner Losh 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions, and the following disclaimer, 16 * without modification, immediately at the beginning of the file. 17 * 2. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 24 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * Derived from bt isa from end, written by: 33 * 34 * Copyright (c) 1998 Justin T. Gibbs 35 * All rights reserved. 36 * 37 * Redistribution and use in source and binary forms, with or without 38 * modification, are permitted provided that the following conditions 39 * are met: 40 * 1. Redistributions of source code must retain the above copyright 41 * notice, this list of conditions, and the following disclaimer, 42 * without modification, immediately at the beginning of the file. 43 * 2. The name of the author may not be used to endorse or promote products 44 * derived from this software without specific prior written permission. 45 * 46 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 47 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 48 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 49 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 50 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 51 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 52 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 53 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 54 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 55 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 56 * SUCH DAMAGE. 57 */ 58 59 #include <sys/cdefs.h> 60 __FBSDID("$FreeBSD$"); 61 62 #include <sys/param.h> 63 #include <sys/systm.h> 64 #include <sys/kernel.h> 65 #include <sys/lock.h> 66 #include <sys/mutex.h> 67 68 #include <machine/bus.h> 69 #include <machine/resource.h> 70 #include <sys/module.h> 71 #include <sys/bus.h> 72 #include <sys/rman.h> 73 74 #include <isa/isavar.h> 75 76 #include <dev/aha/ahareg.h> 77 78 #include <cam/scsi/scsi_all.h> 79 80 static struct isa_pnp_id aha_ids[] = { 81 {ADP0100_PNP, "Adaptec 1540/1542 ISA SCSI"}, /* ADP0100 */ 82 {AHA1540_PNP, "Adaptec 1540/aha-1640/aha-1535"},/* ADP1540 */ 83 {AHA1542_PNP, "Adaptec 1542/aha-1535"}, /* ADP1542 */ 84 {AHA1542_PNPCOMPAT, "Adaptec 1542 compatible"}, /* PNP00A0 */ 85 {ICU0091_PNP, "Adaptec AHA-1540/1542 SCSI"}, /* ICU0091 */ 86 {0} 87 }; 88 89 /* 90 * I/O ports listed in the order enumerated by the card for certain op codes. 91 */ 92 static bus_addr_t aha_board_ports[] = 93 { 94 0x330, 95 0x334, 96 0x230, 97 0x234, 98 0x130, 99 0x134 100 }; 101 102 /* 103 * Check if the device can be found at the port given 104 */ 105 static int 106 aha_isa_probe(device_t dev) 107 { 108 /* 109 * find unit and check we have that many defined 110 */ 111 struct aha_softc *aha = device_get_softc(dev); 112 int error; 113 u_long port_start; 114 int port_rid; 115 int drq; 116 int irq; 117 config_data_t config_data; 118 119 aha->dev = dev; 120 /* Check isapnp ids */ 121 if (ISA_PNP_PROBE(device_get_parent(dev), dev, aha_ids) == ENXIO) 122 return (ENXIO); 123 124 port_rid = 0; 125 aha->port = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, &port_rid, 126 AHA_NREGS, RF_ACTIVE); 127 128 if (aha->port == NULL) 129 return (ENXIO); 130 131 port_start = rman_get_start(aha->port); 132 aha_alloc(aha); 133 134 /* See if there is really a card present */ 135 if (aha_probe(aha) || aha_fetch_adapter_info(aha)) { 136 aha_free(aha); 137 bus_release_resource(dev, SYS_RES_IOPORT, port_rid, aha->port); 138 return (ENXIO); 139 } 140 141 /* 142 * Determine our IRQ, and DMA settings and 143 * export them to the configuration system. 144 */ 145 error = aha_cmd(aha, AOP_INQUIRE_CONFIG, NULL, /*parmlen*/0, 146 (uint8_t*)&config_data, sizeof(config_data), DEFAULT_CMD_TIMEOUT); 147 148 if (error != 0) { 149 device_printf(dev, "Could not determine IRQ or DMA " 150 "settings for adapter at %#jx. Failing probe\n", 151 (uintmax_t)port_start); 152 aha_free(aha); 153 bus_release_resource(dev, SYS_RES_IOPORT, port_rid, 154 aha->port); 155 return (ENXIO); 156 } 157 158 bus_release_resource(dev, SYS_RES_IOPORT, port_rid, aha->port); 159 aha->port = NULL; 160 161 switch (config_data.dma_chan) { 162 case DMA_CHAN_5: 163 drq = 5; 164 break; 165 case DMA_CHAN_6: 166 drq = 6; 167 break; 168 case DMA_CHAN_7: 169 drq = 7; 170 break; 171 default: 172 device_printf(dev, "Invalid DMA setting for adapter at %#jx.", 173 (uintmax_t)port_start); 174 return (ENXIO); 175 } 176 error = bus_set_resource(dev, SYS_RES_DRQ, 0, drq, 1); 177 if (error) 178 return error; 179 180 irq = ffs(config_data.irq) + 8; 181 error = bus_set_resource(dev, SYS_RES_IRQ, 0, irq, 1); 182 return (error); 183 } 184 185 /* 186 * Attach all the sub-devices we can find 187 */ 188 static int 189 aha_isa_attach(device_t dev) 190 { 191 struct aha_softc *aha = device_get_softc(dev); 192 int error = ENOMEM; 193 194 aha->dev = dev; 195 aha->portrid = 0; 196 aha->port = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, 197 &aha->portrid, AHA_NREGS, RF_ACTIVE); 198 if (!aha->port) { 199 device_printf(dev, "Unable to allocate I/O ports\n"); 200 goto fail; 201 } 202 203 aha->irqrid = 0; 204 aha->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &aha->irqrid, 205 RF_ACTIVE); 206 if (!aha->irq) { 207 device_printf(dev, "Unable to allocate excluse use of irq\n"); 208 goto fail; 209 } 210 211 aha->drqrid = 0; 212 aha->drq = bus_alloc_resource_any(dev, SYS_RES_DRQ, &aha->drqrid, 213 RF_ACTIVE); 214 if (!aha->drq) { 215 device_printf(dev, "Unable to allocate drq\n"); 216 goto fail; 217 } 218 219 #if 0 /* is the drq ever unset? */ 220 if (dev->id_drq != -1) 221 isa_dmacascade(dev->id_drq); 222 #endif 223 isa_dmacascade(rman_get_start(aha->drq)); 224 225 /* Allocate our parent dmatag */ 226 if (bus_dma_tag_create( /* parent */ bus_get_dma_tag(dev), 227 /* alignemnt */ 1, 228 /* boundary */ 0, 229 /* lowaddr */ BUS_SPACE_MAXADDR_24BIT, 230 /* highaddr */ BUS_SPACE_MAXADDR, 231 /* filter */ NULL, 232 /* filterarg */ NULL, 233 /* maxsize */ BUS_SPACE_MAXSIZE_24BIT, 234 /* nsegments */ ~0, 235 /* maxsegsz */ BUS_SPACE_MAXSIZE_24BIT, 236 /* flags */ 0, 237 /* lockfunc */ NULL, 238 /* lockarg */ NULL, 239 &aha->parent_dmat) != 0) { 240 device_printf(dev, "dma tag create failed.\n"); 241 goto fail; 242 } 243 244 if (aha_init(aha)) { 245 device_printf(dev, "init failed\n"); 246 goto fail; 247 } 248 /* 249 * The 1542A and B look the same. So we guess based on 250 * the firmware revision. It appears that only rev 0 is on 251 * the A cards. 252 */ 253 if (aha->boardid <= BOARD_1542 && aha->fw_major == 0) { 254 device_printf(dev, "154xA may not work\n"); 255 aha->ccb_sg_opcode = INITIATOR_SG_CCB; 256 aha->ccb_ccb_opcode = INITIATOR_CCB; 257 } 258 259 error = aha_attach(aha); 260 if (error) { 261 device_printf(dev, "attach failed\n"); 262 goto fail; 263 } 264 265 error = bus_setup_intr(dev, aha->irq, INTR_TYPE_CAM|INTR_ENTROPY| 266 INTR_MPSAFE, NULL, aha_intr, aha, &aha->ih); 267 if (error) { 268 device_printf(dev, "Unable to register interrupt handler\n"); 269 aha_detach(aha); 270 goto fail; 271 } 272 273 return (0); 274 fail: ; 275 aha_free(aha); 276 bus_free_resource(dev, SYS_RES_IOPORT, aha->port); 277 bus_free_resource(dev, SYS_RES_IRQ, aha->irq); 278 bus_free_resource(dev, SYS_RES_DRQ, aha->drq); 279 return (error); 280 } 281 282 static int 283 aha_isa_detach(device_t dev) 284 { 285 struct aha_softc *aha = (struct aha_softc *)device_get_softc(dev); 286 int error; 287 288 error = bus_teardown_intr(dev, aha->irq, aha->ih); 289 if (error) 290 device_printf(dev, "failed to unregister interrupt handler\n"); 291 292 error = aha_detach(aha); 293 if (error) { 294 device_printf(dev, "detach failed\n"); 295 return (error); 296 } 297 aha_free(aha); 298 bus_free_resource(dev, SYS_RES_IOPORT, aha->port); 299 bus_free_resource(dev, SYS_RES_IRQ, aha->irq); 300 bus_free_resource(dev, SYS_RES_DRQ, aha->drq); 301 302 return (0); 303 } 304 305 static void 306 aha_isa_identify(driver_t *driver, device_t parent) 307 { 308 int i; 309 bus_addr_t ioport; 310 struct aha_softc aha; 311 int rid; 312 device_t child; 313 314 /* Attempt to find an adapter */ 315 for (i = 0; i < nitems(aha_board_ports); i++) { 316 bzero(&aha, sizeof(aha)); 317 ioport = aha_board_ports[i]; 318 /* 319 * XXX Check to see if we have a hard-wired aha device at 320 * XXX this port, if so, skip. This should also cover the 321 * XXX case where we are run multiple times due to, eg, 322 * XXX kldload/kldunload. 323 */ 324 rid = 0; 325 aha.port = bus_alloc_resource(parent, SYS_RES_IOPORT, &rid, 326 ioport, ioport, AHA_NREGS, RF_ACTIVE); 327 if (aha.port == NULL) 328 continue; 329 aha_alloc(&aha); 330 /* See if there is really a card present */ 331 if (aha_probe(&aha) || aha_fetch_adapter_info(&aha)) 332 goto not_this_one; 333 child = BUS_ADD_CHILD(parent, ISA_ORDER_SPECULATIVE, "aha", -1); 334 bus_set_resource(child, SYS_RES_IOPORT, 0, ioport, AHA_NREGS); 335 /* 336 * Could query the board and set IRQ/DRQ, but probe does 337 * that. 338 */ 339 not_this_one: 340 bus_release_resource(parent, SYS_RES_IOPORT, rid, aha.port); 341 aha_free(&aha); 342 } 343 } 344 345 static device_method_t aha_isa_methods[] = { 346 /* Device interface */ 347 DEVMETHOD(device_probe, aha_isa_probe), 348 DEVMETHOD(device_attach, aha_isa_attach), 349 DEVMETHOD(device_detach, aha_isa_detach), 350 DEVMETHOD(device_identify, aha_isa_identify), 351 352 { 0, 0 } 353 }; 354 355 static driver_t aha_isa_driver = { 356 "aha", 357 aha_isa_methods, 358 sizeof(struct aha_softc), 359 }; 360 361 static devclass_t aha_devclass; 362 363 DRIVER_MODULE(aha, isa, aha_isa_driver, aha_devclass, 0, 0); 364 MODULE_DEPEND(aha, isa, 1, 1, 1); 365 ISA_PNP_INFO(aha_ids);
Cache object: 9725e0791cd4f55fc4a7ad95503b6e29
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