eisaconf.c revision 50477
1193323Sed/* 2193323Sed * EISA bus probe and attach routines 3193323Sed * 4193323Sed * Copyright (c) 1995, 1996 Justin T. Gibbs. 5193323Sed * All rights reserved. 6193323Sed * 7193323Sed * Redistribution and use in source and binary forms, with or without 8193323Sed * modification, are permitted provided that the following conditions 9193323Sed * are met: 10193323Sed * 1. Redistributions of source code must retain the above copyright 11193323Sed * notice immediately at the beginning of the file, without modification, 12193323Sed * this list of conditions, and the following disclaimer. 13204961Srdivacky * 2. Redistributions in binary form must reproduce the above copyright 14198090Srdivacky * notice, this list of conditions and the following disclaimer in the 15193323Sed * documentation and/or other materials provided with the distribution. 16206274Srdivacky * 3. The name of the author may not be used to endorse or promote products 17234353Sdim * derived from this software without specific prior written permission. 18221345Sdim * 19206274Srdivacky * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20193323Sed * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21218893Sdim * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22234353Sdim * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 23198090Srdivacky * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24193323Sed * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25204961Srdivacky * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26198090Srdivacky * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27198090Srdivacky * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28204961Srdivacky * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29198090Srdivacky * SUCH DAMAGE. 30218893Sdim * 31198090Srdivacky * $FreeBSD: head/sys/dev/eisa/eisaconf.c 50477 1999-08-28 01:08:13Z peter $ 32206274Srdivacky */ 33198090Srdivacky 34207618Srdivacky#include "opt_eisa.h" 35206274Srdivacky 36219077Sdim#include <sys/param.h> 37218893Sdim#include <sys/systm.h> 38205218Srdivacky#include <sys/queue.h> 39198090Srdivacky#include <sys/malloc.h> 40207618Srdivacky#include <sys/kernel.h> 41198090Srdivacky#include <sys/module.h> 42198090Srdivacky#include <sys/bus.h> 43203954Srdivacky 44202878Srdivacky#include <machine/limits.h> 45193323Sed#include <machine/bus.h> 46218893Sdim#include <machine/resource.h> 47193323Sed#include <sys/rman.h> 48193323Sed 49212904Sdim#include <i386/eisa/eisaconf.h> 50210299Sed 51207618Srdivacky#include <sys/interrupt.h> 52207618Srdivacky 53208599Srdivackytypedef struct resvaddr { 54221345Sdim u_long addr; /* start address */ 55208599Srdivacky u_long size; /* size of reserved area */ 56208599Srdivacky int flags; 57234353Sdim struct resource *res; /* resource manager handle */ 58234353Sdim LIST_ENTRY(resvaddr) links; /* List links */ 59234353Sdim} resvaddr_t; 60234353Sdim 61207618SrdivackyLIST_HEAD(resvlist, resvaddr); 62207618Srdivacky 63207618Srdivackystruct irq_node { 64207618Srdivacky int irq_no; 65207618Srdivacky int irq_trigger; 66193323Sed void *idesc; 67193323Sed TAILQ_ENTRY(irq_node) links; 68193323Sed}; 69193323Sed 70193323SedTAILQ_HEAD(irqlist, irq_node); 71193323Sed 72193323Sedstruct eisa_ioconf { 73193323Sed int slot; 74226633Sdim struct resvlist ioaddrs; /* list of reserved I/O ranges */ 75221345Sdim struct resvlist maddrs; /* list of reserved memory ranges */ 76221345Sdim struct irqlist irqs; /* list of reserved irqs */ 77221345Sdim}; 78221345Sdim 79221345Sdim/* To be replaced by the "super device" generic device structure... */ 80221345Sdimstruct eisa_device { 81221345Sdim eisa_id_t id; 82221345Sdim struct eisa_ioconf ioconf; 83221345Sdim}; 84221345Sdim 85221345Sdim 86221345Sdim/* Global variable, so UserConfig can change it. */ 87221345Sdim#define MAX_COL 79 88221345Sdim#ifndef EISA_SLOTS 89221345Sdim#define EISA_SLOTS 10 /* PCI clashes with higher ones.. fix later */ 90221345Sdim#endif 91221345Sdimint num_eisa_slots = EISA_SLOTS; 92221345Sdim 93221345Sdimstatic devclass_t eisa_devclass; 94221345Sdim 95221345Sdimstatic void eisa_reg_print (device_t, char *, char *, int *); 96221345Sdimstatic struct irq_node * eisa_find_irq(struct eisa_device *e_dev, int rid); 97221345Sdimstatic struct resvaddr * eisa_find_maddr(struct eisa_device *e_dev, int rid); 98221345Sdimstatic struct resvaddr * eisa_find_ioaddr(struct eisa_device *e_dev, int rid); 99221345Sdim 100221345Sdimstatic int 101221345Sdimmainboard_probe(device_t dev) 102221345Sdim{ 103221345Sdim char *idstring; 104221345Sdim eisa_id_t id = eisa_get_id(dev); 105221345Sdim 106221345Sdim if (eisa_get_slot(dev) != 0) 107221345Sdim return (ENXIO); 108221345Sdim 109212904Sdim idstring = (char *)malloc(8 + sizeof(" (System Board)") + 1, 110221345Sdim M_DEVBUF, M_NOWAIT); 111221345Sdim if (idstring == NULL) { 112221345Sdim panic("Eisa probe unable to malloc"); 113221345Sdim } 114221345Sdim sprintf(idstring, "%c%c%c%03x%01x (System Board)", 115221345Sdim EISA_MFCTR_CHAR0(id), 116221345Sdim EISA_MFCTR_CHAR1(id), 117221345Sdim EISA_MFCTR_CHAR2(id), 118221345Sdim EISA_PRODUCT_ID(id), 119221345Sdim EISA_REVISION_ID(id)); 120212904Sdim device_set_desc(dev, idstring); 121212904Sdim 122221345Sdim return (0); 123221345Sdim} 124193323Sed 125206274Srdivackystatic int 126193323Sedmainboard_attach(device_t dev) 127206274Srdivacky{ 128208599Srdivacky return (0); 129212904Sdim} 130226633Sdim 131205218Srdivackystatic device_method_t mainboard_methods[] = { 132212904Sdim /* Device interface */ 133223017Sdim DEVMETHOD(device_probe, mainboard_probe), 134206274Srdivacky DEVMETHOD(device_attach, mainboard_attach), 135212904Sdim 136208599Srdivacky { 0, 0 } 137234353Sdim}; 138234353Sdim 139234353Sdimstatic driver_t mainboard_driver = { 140234353Sdim "mainboard", 141234353Sdim mainboard_methods, 142210299Sed 1, 143210299Sed}; 144210299Sed 145207618Srdivackystatic devclass_t mainboard_devclass; 146193323Sed 147193323SedDRIVER_MODULE(mainboard, eisa, mainboard_driver, mainboard_devclass, 0, 0); 148193323Sed 149193323Sed/* 150234353Sdim** probe for EISA devices 151234353Sdim*/ 152234353Sdimstatic int 153234353Sdimeisa_probe(device_t dev) 154234353Sdim{ 155234353Sdim int i,slot; 156234353Sdim struct eisa_device *e_dev; 157234353Sdim int eisaBase = 0xc80; 158234353Sdim eisa_id_t eisa_id; 159234353Sdim int devices_found = 0; 160234353Sdim 161234353Sdim device_set_desc(dev, "EISA bus"); 162234353Sdim 163234353Sdim for (slot = 0; slot < num_eisa_slots; eisaBase+=0x1000, slot++) { 164234353Sdim int id_size = sizeof(eisa_id); 165234353Sdim eisa_id = 0; 166205218Srdivacky for( i = 0; i < id_size; i++ ) { 167205218Srdivacky outb(eisaBase,0x80 + i); /*Some cards require priming*/ 168205218Srdivacky eisa_id |= inb(eisaBase+i) << ((id_size-i-1)*CHAR_BIT); 169205218Srdivacky } 170205218Srdivacky if (eisa_id & 0x80000000) 171206274Srdivacky continue; /* no EISA card in slot */ 172205218Srdivacky 173205218Srdivacky devices_found++; 174199989Srdivacky 175193323Sed /* Prepare an eisa_device_node for this slot */ 176199989Srdivacky e_dev = (struct eisa_device *)malloc(sizeof(*e_dev), 177193323Sed M_DEVBUF, M_NOWAIT); 178193323Sed if (!e_dev) { 179193323Sed device_printf(dev, "cannot malloc eisa_device"); 180193323Sed break; /* Try to attach what we have already */ 181193323Sed } 182193323Sed bzero(e_dev, sizeof(*e_dev)); 183193323Sed 184193323Sed e_dev->id = eisa_id; 185193323Sed 186193323Sed e_dev->ioconf.slot = slot; 187193323Sed 188193323Sed /* Initialize our lists of reserved addresses */ 189193323Sed LIST_INIT(&(e_dev->ioconf.ioaddrs)); 190193323Sed LIST_INIT(&(e_dev->ioconf.maddrs)); 191193323Sed TAILQ_INIT(&(e_dev->ioconf.irqs)); 192193323Sed 193193323Sed device_add_child(dev, NULL, -1, e_dev); 194193323Sed } 195193323Sed 196193323Sed /* 197212904Sdim * EISA busses themselves are not easily detectable, the easiest way 198202375Srdivacky * to tell if there is an eisa bus is if we found something - there 199202375Srdivacky * should be a motherboard "card" there somewhere. 200202375Srdivacky */ 201202375Srdivacky return devices_found ? 0 : ENXIO; 202202375Srdivacky} 203202375Srdivacky 204202375Srdivackystatic void 205202375Srdivackyeisa_probe_nomatch(device_t dev, device_t child) 206202375Srdivacky{ 207234353Sdim u_int32_t eisa_id = eisa_get_id(child); 208234353Sdim u_int8_t slot = eisa_get_slot(child); 209234353Sdim 210234353Sdim device_printf(dev, "unknown card %c%c%c%03x%01x (0x%08x) at slot %d\n", 211234353Sdim EISA_MFCTR_CHAR0(eisa_id), 212234353Sdim EISA_MFCTR_CHAR1(eisa_id), 213234353Sdim EISA_MFCTR_CHAR2(eisa_id), 214234353Sdim EISA_PRODUCT_ID(eisa_id), 215234353Sdim EISA_REVISION_ID(eisa_id), 216234353Sdim eisa_id, 217234353Sdim slot); 218234353Sdim 219234353Sdim return; 220234353Sdim} 221234353Sdim 222234353Sdimstatic void 223234353Sdimeisa_reg_print (dev, string, separator, column) 224234353Sdim device_t dev; 225234353Sdim char * string; 226234353Sdim char * separator; 227234353Sdim int * column; 228234353Sdim{ 229234353Sdim int length = strlen(string); 230234353Sdim 231234353Sdim length += (separator ? 2 : 1); 232234353Sdim 233234353Sdim if (((*column) + length) >= MAX_COL) { 234234353Sdim printf("\n"); 235234353Sdim (*column) = 0; 236234353Sdim } else if ((*column) != 0) { 237234353Sdim if (separator) { 238234353Sdim printf("%c", *separator); 239234353Sdim (*column)++; 240234353Sdim } 241234353Sdim printf(" "); 242234353Sdim (*column)++; 243234353Sdim } 244234353Sdim 245234353Sdim if ((*column) == 0) { 246234353Sdim (*column) += device_printf(dev, "%s", string); 247234353Sdim } else { 248234353Sdim (*column) += printf("%s", string); 249234353Sdim } 250234353Sdim 251234353Sdim return; 252234353Sdim} 253234353Sdim 254234353Sdimstatic int 255234353Sdimeisa_print_child(device_t dev, device_t child) 256234353Sdim{ 257234353Sdim char buf[81]; 258234353Sdim struct eisa_device * e_dev = device_get_ivars(child); 259234353Sdim int rid; 260234353Sdim struct irq_node * irq; 261234353Sdim struct resvaddr * resv; 262234353Sdim char separator = ','; 263234353Sdim int column = 0; 264199989Srdivacky int retval = 0; 265199989Srdivacky 266199989Srdivacky if (device_get_desc(child)) { 267199989Srdivacky snprintf(buf, sizeof(buf), "<%s>", device_get_desc(child)); 268226633Sdim eisa_reg_print(child, buf, NULL, &column); 269226633Sdim } 270208599Srdivacky 271210299Sed rid = 0; 272206274Srdivacky while ((resv = eisa_find_ioaddr(e_dev, rid++))) { 273206274Srdivacky if ((resv->size == 1) || 274212904Sdim (resv->flags & RESVADDR_BITMASK)) { 275221345Sdim snprintf(buf, sizeof(buf), "%s%lx", 276234353Sdim ((rid == 1) ? "at 0x" : "0x"), 277221345Sdim resv->addr); 278221345Sdim } else { 279221345Sdim snprintf(buf, sizeof(buf), "%s%lx-0x%lx", 280221345Sdim ((rid == 1) ? "at 0x" : "0x"), 281221345Sdim resv->addr, 282221345Sdim (resv->addr + (resv->size - 1))); 283221345Sdim } 284221345Sdim eisa_reg_print(child, buf, 285234353Sdim ((rid == 2) ? &separator : NULL), &column); 286221345Sdim } 287221345Sdim 288221345Sdim rid = 0; 289221345Sdim while ((resv = eisa_find_maddr(e_dev, rid++))) { 290221345Sdim if ((resv->size == 1) || 291221345Sdim (resv->flags & RESVADDR_BITMASK)) { 292221345Sdim snprintf(buf, sizeof(buf), "%s%lx", 293221345Sdim ((rid == 1) ? "at 0x" : "0x"), 294221345Sdim resv->addr); 295221345Sdim } else { 296221345Sdim snprintf(buf, sizeof(buf), "%s%lx-0x%lx", 297221345Sdim ((rid == 1) ? "at 0x" : "0x"), 298221345Sdim resv->addr, 299221345Sdim (resv->addr + (resv->size - 1))); 300221345Sdim } 301221345Sdim eisa_reg_print(child, buf, 302221345Sdim ((rid == 2) ? &separator : NULL), &column); 303221345Sdim } 304221345Sdim 305221345Sdim rid = 0; 306206274Srdivacky while ((irq = eisa_find_irq(e_dev, rid++)) != NULL) { 307210299Sed snprintf(buf, sizeof(buf), "irq %d (%s)", irq->irq_no, 308210299Sed (irq->irq_trigger ? "level" : "edge")); 309210299Sed eisa_reg_print(child, buf, 310221345Sdim ((rid == 1) ? &separator : NULL), &column); 311221345Sdim } 312210299Sed 313210299Sed snprintf(buf, sizeof(buf), "on %s slot %d\n", 314210299Sed device_get_nameunit(dev), eisa_get_slot(child)); 315221345Sdim eisa_reg_print(child, buf, NULL, &column); 316221345Sdim 317221345Sdim return (retval); 318221345Sdim} 319206274Srdivacky 320206274Srdivackystatic struct irq_node * 321221345Sdimeisa_find_irq(struct eisa_device *e_dev, int rid) 322203954Srdivacky{ 323234353Sdim int i; 324234353Sdim struct irq_node *irq; 325234353Sdim 326234353Sdim for (i = 0, irq = TAILQ_FIRST(&e_dev->ioconf.irqs); 327206274Srdivacky i < rid && irq; 328199481Srdivacky i++, irq = TAILQ_NEXT(irq, links)) 329193323Sed ; 330199989Srdivacky 331199989Srdivacky if (irq) 332226633Sdim return (irq); 333226633Sdim else 334207618Srdivacky return (NULL); 335207618Srdivacky} 336207618Srdivacky 337207618Srdivackystatic struct resvaddr * 338226633Sdimeisa_find_maddr(struct eisa_device *e_dev, int rid) 339207618Srdivacky{ 340207618Srdivacky int i; 341207618Srdivacky struct resvaddr *resv; 342226633Sdim 343207618Srdivacky for (i = 0, resv = LIST_FIRST(&e_dev->ioconf.maddrs); 344207618Srdivacky i < rid && resv; 345212904Sdim i++, resv = LIST_NEXT(resv, links)) 346207618Srdivacky ; 347221345Sdim 348226633Sdim return resv; 349226633Sdim} 350226633Sdim 351207618Srdivackystatic struct resvaddr * 352208599Srdivackyeisa_find_ioaddr(struct eisa_device *e_dev, int rid) 353208599Srdivacky{ 354207618Srdivacky int i; 355207618Srdivacky struct resvaddr *resv; 356207618Srdivacky 357207618Srdivacky for (i = 0, resv = LIST_FIRST(&e_dev->ioconf.ioaddrs); 358207618Srdivacky i < rid && resv; 359207618Srdivacky i++, resv = LIST_NEXT(resv, links)) 360208599Srdivacky ; 361208599Srdivacky 362207618Srdivacky return resv; 363208599Srdivacky} 364193323Sed 365204961Srdivackystatic int 366204961Srdivackyeisa_read_ivar(device_t dev, device_t child, int which, u_long *result) 367212904Sdim{ 368221345Sdim struct eisa_device *e_dev = device_get_ivars(child); 369221345Sdim struct irq_node *irq; 370193323Sed 371199481Srdivacky switch (which) { 372199481Srdivacky case EISA_IVAR_SLOT: 373193323Sed *result = e_dev->ioconf.slot; 374199989Srdivacky break; 375199989Srdivacky 376199989Srdivacky case EISA_IVAR_ID: 377226633Sdim *result = e_dev->id; 378226633Sdim break; 379226633Sdim 380234353Sdim case EISA_IVAR_IRQ: 381234353Sdim /* XXX only first irq */ 382207618Srdivacky if ((irq = eisa_find_irq(e_dev, 0)) != NULL) { 383226633Sdim *result = irq->irq_no; 384226633Sdim } else { 385226633Sdim *result = -1; 386226633Sdim } 387226633Sdim break; 388226633Sdim 389226633Sdim default: 390226633Sdim return (ENOENT); 391226633Sdim } 392226633Sdim 393226633Sdim return (0); 394208599Srdivacky} 395208599Srdivacky 396207618Srdivackystatic int 397210299Sedeisa_write_ivar(device_t dev, device_t child, int which, uintptr_t value) 398234353Sdim{ 399207618Srdivacky return (EINVAL); 400204961Srdivacky} 401204961Srdivacky 402204961Srdivackystatic struct resource * 403204961Srdivackyeisa_alloc_resource(device_t dev, device_t child, int type, int *rid, 404207618Srdivacky u_long start, u_long end, u_long count, u_int flags) 405223017Sdim{ 406221345Sdim int isdefault; 407221345Sdim struct eisa_device *e_dev = device_get_ivars(child); 408193323Sed struct resource *rv, **rvp = 0; 409226633Sdim 410226633Sdim isdefault = (device_get_parent(child) == dev 411226633Sdim && start == 0UL && end == ~0UL && count == 1); 412226633Sdim 413226633Sdim switch (type) { 414226633Sdim case SYS_RES_IRQ: 415226633Sdim if (isdefault) { 416226633Sdim struct irq_node * irq = eisa_find_irq(e_dev, *rid); 417226633Sdim if (irq == NULL) 418226633Sdim return 0; 419226633Sdim start = end = irq->irq_no; 420226633Sdim count = 1; 421226633Sdim if (irq->irq_trigger == EISA_TRIGGER_LEVEL) { 422226633Sdim flags |= RF_SHAREABLE; 423226633Sdim } else { 424226633Sdim flags &= ~RF_SHAREABLE; 425226633Sdim } 426226633Sdim } 427226633Sdim break; 428226633Sdim 429199481Srdivacky case SYS_RES_MEMORY: 430199481Srdivacky if (isdefault) { 431199481Srdivacky struct resvaddr *resv; 432199481Srdivacky 433226633Sdim resv = eisa_find_maddr(e_dev, *rid); 434226633Sdim if (!resv) 435226633Sdim return 0; 436226633Sdim 437208599Srdivacky start = resv->addr; 438208599Srdivacky end = resv->addr + (resv->size - 1); 439199481Srdivacky count = resv->size; 440199481Srdivacky rvp = &resv->res; 441234353Sdim } 442208599Srdivacky break; 443199481Srdivacky 444204961Srdivacky case SYS_RES_IOPORT: 445199481Srdivacky if (isdefault) { 446199481Srdivacky struct resvaddr *resv; 447234353Sdim 448234353Sdim resv = eisa_find_ioaddr(e_dev, *rid); 449221345Sdim if (!resv) 450199481Srdivacky return 0; 451234353Sdim 452234353Sdim start = resv->addr; 453234353Sdim end = resv->addr + (resv->size - 1); 454234353Sdim count = resv->size; 455199481Srdivacky rvp = &resv->res; 456193323Sed } 457193323Sed break; 458199989Srdivacky 459226633Sdim default: 460204961Srdivacky return 0; 461204961Srdivacky } 462212904Sdim 463234353Sdim rv = BUS_ALLOC_RESOURCE(device_get_parent(dev), child, 464221345Sdim type, rid, start, end, count, flags); 465221345Sdim if (rvp) 466226633Sdim *rvp = rv; 467221345Sdim 468221345Sdim return rv; 469226633Sdim} 470226633Sdim 471221345Sdimstatic int 472221345Sdimeisa_release_resource(device_t dev, device_t child, int type, int rid, 473226633Sdim struct resource *r) 474226633Sdim{ 475218893Sdim int rv; 476226633Sdim struct eisa_device *e_dev = device_get_ivars(child); 477226633Sdim struct resvaddr *resv = 0; 478218893Sdim 479226633Sdim switch (type) { 480218893Sdim case SYS_RES_IRQ: 481226633Sdim if (eisa_find_irq(e_dev, rid) == NULL) 482218893Sdim return EINVAL; 483204961Srdivacky break; 484204961Srdivacky 485204961Srdivacky case SYS_RES_MEMORY: 486226633Sdim if (device_get_parent(child) == dev) 487204961Srdivacky resv = eisa_find_maddr(e_dev, rid); 488210299Sed break; 489210299Sed 490226633Sdim 491210299Sed case SYS_RES_IOPORT: 492210299Sed if (device_get_parent(child) == dev) 493210299Sed resv = eisa_find_ioaddr(e_dev, rid); 494210299Sed break; 495204961Srdivacky 496226633Sdim default: 497204961Srdivacky return (ENOENT); 498218893Sdim } 499218893Sdim 500218893Sdim rv = BUS_RELEASE_RESOURCE(device_get_parent(dev), child, type, rid, r); 501218893Sdim 502226633Sdim if (rv == 0) { 503218893Sdim if (resv) 504218893Sdim resv->res = 0; 505206083Srdivacky } 506212904Sdim 507218893Sdim return rv; 508218893Sdim} 509218893Sdim 510218893Sdimint 511198090Srdivackyeisa_add_intr(device_t dev, int irq, int trigger) 512212904Sdim{ 513234353Sdim struct eisa_device *e_dev = device_get_ivars(dev); 514212904Sdim struct irq_node *irq_info; 515234353Sdim 516193323Sed irq_info = (struct irq_node *)malloc(sizeof(*irq_info), M_DEVBUF, 517193323Sed M_NOWAIT); 518193323Sed if (irq_info == NULL) 519193323Sed return (1); 520193323Sed 521193323Sed irq_info->irq_no = irq; 522221345Sdim irq_info->irq_trigger = trigger; 523221345Sdim irq_info->idesc = NULL; 524218893Sdim TAILQ_INSERT_TAIL(&e_dev->ioconf.irqs, irq_info, links); 525218893Sdim return 0; 526221345Sdim} 527193323Sed 528234353Sdimstatic int 529234353Sdimeisa_add_resvaddr(struct eisa_device *e_dev, struct resvlist *head, u_long base, 530234353Sdim u_long size, int flags) 531221345Sdim{ 532234353Sdim resvaddr_t *reservation; 533193323Sed 534234353Sdim reservation = (resvaddr_t *)malloc(sizeof(resvaddr_t), 535234353Sdim M_DEVBUF, M_NOWAIT); 536234353Sdim if(!reservation) 537234353Sdim return (ENOMEM); 538234353Sdim 539193323Sed reservation->addr = base; 540234353Sdim reservation->size = size; 541234353Sdim reservation->flags = flags; 542234353Sdim 543234353Sdim if (!head->lh_first) { 544218893Sdim LIST_INSERT_HEAD(head, reservation, links); 545234353Sdim } 546193323Sed else { 547193323Sed resvaddr_t *node; 548193323Sed for(node = head->lh_first; node; node = node->links.le_next) { 549193323Sed if (node->addr > reservation->addr) { 550212904Sdim /* 551208599Srdivacky * List is sorted in increasing 552226633Sdim * address order. 553198090Srdivacky */ 554199989Srdivacky LIST_INSERT_BEFORE(node, reservation, links); 555234353Sdim break; 556234353Sdim } 557193323Sed 558193323Sed if (node->addr == reservation->addr) { 559234353Sdim /* 560234353Sdim * If the entry we want to add 561221345Sdim * matches any already in here, 562221345Sdim * fail. 563234353Sdim */ 564234353Sdim free(reservation, M_DEVBUF); 565234353Sdim return (EEXIST); 566234353Sdim } 567206083Srdivacky 568212904Sdim if (!node->links.le_next) { 569234353Sdim LIST_INSERT_AFTER(node, reservation, links); 570223017Sdim break; 571221345Sdim } 572212904Sdim } 573221345Sdim } 574193323Sed return (0); 575234353Sdim} 576234353Sdim 577193323Sedint 578221345Sdimeisa_add_mspace(device_t dev, u_long mbase, u_long msize, int flags) 579193323Sed{ 580199989Srdivacky struct eisa_device *e_dev = device_get_ivars(dev); 581199989Srdivacky 582234353Sdim return eisa_add_resvaddr(e_dev, &(e_dev->ioconf.maddrs), mbase, msize, 583221345Sdim flags); 584234353Sdim} 585221345Sdim 586193323Sedint 587193323Sedeisa_add_iospace(device_t dev, u_long iobase, u_long iosize, int flags) 588208599Srdivacky{ 589208599Srdivacky struct eisa_device *e_dev = device_get_ivars(dev); 590208599Srdivacky 591226633Sdim return eisa_add_resvaddr(e_dev, &(e_dev->ioconf.ioaddrs), iobase, 592193323Sed iosize, flags); 593193323Sed} 594208599Srdivacky 595226633Sdimstatic device_method_t eisa_methods[] = { 596226633Sdim /* Device interface */ 597234353Sdim DEVMETHOD(device_probe, eisa_probe), 598234353Sdim DEVMETHOD(device_attach, bus_generic_attach), 599234353Sdim DEVMETHOD(device_shutdown, bus_generic_shutdown), 600234353Sdim DEVMETHOD(device_suspend, bus_generic_suspend), 601234353Sdim DEVMETHOD(device_resume, bus_generic_resume), 602198090Srdivacky 603193323Sed /* Bus interface */ 604193323Sed DEVMETHOD(bus_print_child, eisa_print_child), 605193323Sed DEVMETHOD(bus_probe_nomatch, eisa_probe_nomatch), 606195098Sed DEVMETHOD(bus_read_ivar, eisa_read_ivar), 607193323Sed DEVMETHOD(bus_write_ivar, eisa_write_ivar), 608226633Sdim DEVMETHOD(bus_driver_added, bus_generic_driver_added), 609193323Sed DEVMETHOD(bus_alloc_resource, eisa_alloc_resource), 610193323Sed DEVMETHOD(bus_release_resource, eisa_release_resource), 611208599Srdivacky DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 612193323Sed DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 613193323Sed DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), 614221345Sdim DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), 615193323Sed 616195098Sed { 0, 0 } 617193323Sed}; 618193323Sed 619226633Sdimstatic driver_t eisa_driver = { 620226633Sdim "eisa", 621226633Sdim eisa_methods, 622226633Sdim 1, /* no softc */ 623226633Sdim}; 624226633Sdim 625226633SdimDRIVER_MODULE(eisa, isab, eisa_driver, eisa_devclass, 0, 0); 626226633SdimDRIVER_MODULE(eisa, nexus, eisa_driver, eisa_devclass, 0, 0); 627226633Sdim