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