Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/buslogic/bt_eisa.c
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1 /* 2 * Product specific probe and attach routines for: 3 * Buslogic BT74x SCSI controllers 4 * 5 * Copyright (c) 1995, 1998, 1999 Justin T. Gibbs 6 * All rights reserved. 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 immediately at the beginning of the file, without modification, 13 * this list of conditions, and the following disclaimer. 14 * 2. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD: releng/5.1/sys/dev/buslogic/bt_eisa.c 112782 2003-03-29 09:46:10Z mdodd $ 30 */ 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/kernel.h> 35 #include <sys/module.h> 36 #include <sys/bus.h> 37 38 #include <machine/bus_pio.h> 39 #include <machine/bus.h> 40 #include <machine/resource.h> 41 #include <sys/rman.h> 42 43 #include <dev/eisa/eisaconf.h> 44 45 #include <dev/buslogic/btreg.h> 46 47 #define EISA_DEVICE_ID_BUSLOGIC_74X_B 0x0ab34201 48 #define EISA_DEVICE_ID_BUSLOGIC_74X_C 0x0ab34202 49 #define EISA_DEVICE_ID_SDC3222B 0x0ab34281 50 #define EISA_DEVICE_ID_SDC3222F 0x0ab34781 51 #define EISA_DEVICE_ID_SDC3222WS 0x0ab34981 52 #define EISA_DEVICE_ID_SDC3222WB 0x0ab34982 53 #define EISA_DEVICE_ID_AMI_4801 0x05a94801 54 55 #define BT_IOSIZE 0x04 /* Move to central header */ 56 #define BT_EISA_IOSIZE 0x100 57 #define BT_EISA_SLOT_OFFSET 0xc00 58 59 #define EISA_IOCONF 0x08C 60 #define PORTADDR 0x07 61 #define PORT_330 0x00 62 #define PORT_334 0x01 63 #define PORT_230 0x02 64 #define PORT_234 0x03 65 #define PORT_130 0x04 66 #define PORT_134 0x05 67 #define IRQ_CHANNEL 0xe0 68 #define INT_11 0x40 69 #define INT_10 0x20 70 #define INT_15 0xa0 71 #define INT_12 0x60 72 #define INT_14 0x80 73 #define INT_9 0x00 74 75 #define EISA_IRQ_TYPE 0x08D 76 #define LEVEL 0x40 77 78 /* Definitions for the AMI Series 48 controler */ 79 #define AMI_EISA_IOSIZE 0x500 /* Two separate ranges?? */ 80 #define AMI_EISA_SLOT_OFFSET 0x800 81 #define AMI_EISA_IOCONF 0x000 82 #define AMI_DMA_CHANNEL 0x03 83 #define AMI_IRQ_CHANNEL 0x1c 84 #define AMI_INT_15 0x14 85 #define AMI_INT_14 0x10 86 #define AMI_INT_12 0x0c 87 #define AMI_INT_11 0x00 88 #define AMI_INT_10 0x08 89 #define AMI_INT_9 0x04 90 #define AMI_BIOS_ADDR 0xe0 91 92 #define AMI_EISA_IOCONF1 0x001 93 #define AMI_PORTADDR 0x0e 94 #define AMI_PORT_334 0x08 95 #define AMI_PORT_330 0x00 96 #define AMI_PORT_234 0x0c 97 #define AMI_PORT_230 0x04 98 #define AMI_PORT_134 0x0a 99 #define AMI_PORT_130 0x02 100 #define AMI_IRQ_LEVEL 0x01 101 102 103 #define AMI_MISC2_OPTIONS 0x49E 104 #define AMI_ENABLE_ISA_DMA 0x08 105 106 static const char *bt_match(eisa_id_t type); 107 108 static int 109 bt_eisa_alloc_resources(device_t dev) 110 { 111 struct bt_softc *bt = device_get_softc(dev); 112 int rid; 113 struct resource *port; 114 struct resource *irq; 115 int shared; 116 117 /* 118 * XXX assumes that the iospace ranges are sorted in increasing 119 * order. 120 */ 121 rid = 0; 122 port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 123 0, ~0, 1, RF_ACTIVE); 124 if (!port) 125 return (ENOMEM); 126 127 bt_init_softc(dev, port, 0, 0); 128 129 if (eisa_get_irq(dev) != -1) { 130 shared = bt->level_trigger_ints ? RF_SHAREABLE : 0; 131 rid = 0; 132 irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 133 0, ~0, 1, shared | RF_ACTIVE); 134 if (!irq) { 135 if (port) 136 bus_release_resource(dev, SYS_RES_IOPORT, 137 0, port); 138 return (ENOMEM); 139 } 140 } else 141 irq = 0; 142 bt->irq = irq; 143 144 return (0); 145 } 146 147 static void 148 bt_eisa_release_resources(device_t dev) 149 { 150 struct bt_softc *bt = device_get_softc(dev); 151 152 if (bt->port) 153 bus_release_resource(dev, SYS_RES_IOPORT, 0, bt->port); 154 if (bt->irq) 155 bus_release_resource(dev, SYS_RES_IRQ, 0, bt->irq); 156 bt_free_softc(dev); 157 } 158 159 static const char* 160 bt_match(eisa_id_t type) 161 { 162 switch(type) { 163 case EISA_DEVICE_ID_BUSLOGIC_74X_B: 164 return ("Buslogic 74xB SCSI host adapter"); 165 break; 166 case EISA_DEVICE_ID_BUSLOGIC_74X_C: 167 return ("Buslogic 74xC SCSI host adapter"); 168 break; 169 case EISA_DEVICE_ID_SDC3222B: 170 return ("Storage Dimensions SDC3222B SCSI host adapter"); 171 break; 172 case EISA_DEVICE_ID_SDC3222F: 173 return ("Storage Dimensions SDC3222F SCSI host adapter"); 174 break; 175 case EISA_DEVICE_ID_SDC3222WS: 176 return ("Storage Dimensions SDC3222WS SCSI host adapter"); 177 break; 178 case EISA_DEVICE_ID_SDC3222WB: 179 return ("Storage Dimensions SDC3222WB SCSI host adapter"); 180 break; 181 case EISA_DEVICE_ID_AMI_4801: 182 return ("AMI Series 48 SCSI host adapter"); 183 break; 184 default: 185 break; 186 } 187 return (NULL); 188 } 189 190 static int 191 bt_eisa_probe(device_t dev) 192 { 193 const char *desc; 194 u_long iobase; 195 struct bt_probe_info info; 196 u_long port; 197 u_long iosize; 198 u_int ioconf; 199 int result; 200 int shared; 201 202 desc = bt_match(eisa_get_id(dev)); 203 if (!desc) 204 return (ENXIO); 205 device_set_desc(dev, desc); 206 207 iobase = (eisa_get_slot(dev) * EISA_SLOT_SIZE); 208 if (eisa_get_id(dev) == EISA_DEVICE_ID_AMI_4801) { 209 u_int ioconf1; 210 211 iobase += AMI_EISA_SLOT_OFFSET; 212 iosize = AMI_EISA_IOSIZE; 213 ioconf1 = inb(iobase + AMI_EISA_IOCONF1); 214 /* Determine "ISA" I/O port */ 215 switch (ioconf1 & AMI_PORTADDR) { 216 case AMI_PORT_330: 217 port = 0x330; 218 break; 219 case AMI_PORT_334: 220 port = 0x334; 221 break; 222 case AMI_PORT_230: 223 port = 0x230; 224 break; 225 case AMI_PORT_234: 226 port = 0x234; 227 break; 228 case AMI_PORT_134: 229 port = 0x134; 230 break; 231 case AMI_PORT_130: 232 port = 0x130; 233 break; 234 default: 235 /* Disabled */ 236 printf("bt: AMI EISA Adapter at " 237 "slot %d has a disabled I/O " 238 "port. Cannot attach.\n", 239 eisa_get_slot(dev)); 240 return (ENXIO); 241 } 242 shared = (inb(iobase + AMI_EISA_IOCONF1) & AMI_IRQ_LEVEL) ? 243 EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE; 244 } else { 245 iobase += BT_EISA_SLOT_OFFSET; 246 iosize = BT_EISA_IOSIZE; 247 248 ioconf = inb(iobase + EISA_IOCONF); 249 /* Determine "ISA" I/O port */ 250 switch (ioconf & PORTADDR) { 251 case PORT_330: 252 port = 0x330; 253 break; 254 case PORT_334: 255 port = 0x334; 256 break; 257 case PORT_230: 258 port = 0x230; 259 break; 260 case PORT_234: 261 port = 0x234; 262 break; 263 case PORT_130: 264 port = 0x130; 265 break; 266 case PORT_134: 267 port = 0x134; 268 break; 269 default: 270 /* Disabled */ 271 printf("bt: Buslogic EISA Adapter at " 272 "slot %d has a disabled I/O " 273 "port. Cannot attach.\n", 274 eisa_get_slot(dev)); 275 return (ENXIO); 276 } 277 shared = (inb(iobase + EISA_IRQ_TYPE) & LEVEL) ? 278 EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE; 279 } 280 bt_mark_probed_iop(port); 281 282 /* Tell parent where our resources are going to be */ 283 eisa_add_iospace(dev, iobase, iosize, RESVADDR_NONE); 284 eisa_add_iospace(dev, port, BT_IOSIZE, RESVADDR_NONE); 285 286 /* And allocate them */ 287 bt_eisa_alloc_resources(dev); 288 289 if (bt_port_probe(dev, &info) != 0) { 290 printf("bt_eisa_probe: Probe failed for " 291 "card at slot 0x%x\n", eisa_get_slot(dev)); 292 result = ENXIO; 293 } else { 294 eisa_add_intr(dev, info.irq, shared); 295 result = 0; 296 } 297 bt_eisa_release_resources(dev); 298 299 return (result); 300 } 301 302 static int 303 bt_eisa_attach(device_t dev) 304 { 305 struct bt_softc *bt = device_get_softc(dev); 306 307 /* Allocate resources */ 308 bt_eisa_alloc_resources(dev); 309 310 /* Allocate a dmatag for our SCB DMA maps */ 311 /* XXX Should be a child of the PCI bus dma tag */ 312 if (bus_dma_tag_create( /* parent */ NULL, 313 /* alignment */ 1, 314 /* boundary */ 0, 315 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 316 /* highaddr */ BUS_SPACE_MAXADDR, 317 /* filter */ NULL, 318 /* filterarg */ NULL, 319 /* maxsize */ BUS_SPACE_MAXSIZE_32BIT, 320 /* nsegments */ ~0, 321 /* maxsegsz */ BUS_SPACE_MAXSIZE_32BIT, 322 /* flags */ 0, 323 &bt->parent_dmat) != 0) { 324 bt_eisa_release_resources(dev); 325 return -1; 326 } 327 328 /* 329 * Now that we know we own the resources we need, do the full 330 * card initialization. 331 */ 332 if (bt_probe(dev) || bt_fetch_adapter_info(dev) || bt_init(dev)) { 333 bt_eisa_release_resources(dev); 334 return -1; 335 } 336 337 /* Attach sub-devices - always succeeds (sets up intr) */ 338 bt_attach(dev); 339 340 return 0; 341 } 342 343 static device_method_t bt_eisa_methods[] = { 344 /* Device interface */ 345 DEVMETHOD(device_probe, bt_eisa_probe), 346 DEVMETHOD(device_attach, bt_eisa_attach), 347 348 { 0, 0 } 349 }; 350 351 static driver_t bt_eisa_driver = { 352 "bt", 353 bt_eisa_methods, 354 sizeof(struct bt_softc), 355 }; 356 357 static devclass_t bt_devclass; 358 359 DRIVER_MODULE(bt, eisa, bt_eisa_driver, bt_devclass, 0, 0);
Cache object: a2a9d4e9a1b558bfc948d9f51d46ad2d
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