The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/eisa/eisaconf.c

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    1 /*-
    2  * EISA bus probe and attach routines 
    3  *
    4  * Copyright (c) 1995, 1996 Justin T. Gibbs.
    5  * All rights reserved.
    6  * 
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice immediately at the beginning of the file, without modification,
   12  *    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  * 3. The name of the author may not be used to endorse or promote products
   17  *    derived from this software without specific prior written permission.
   18  * 
   19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND  
   20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
   21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   22  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
   23  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   29  * SUCH DAMAGE.
   30  *
   31  */
   32 
   33 #include <sys/cdefs.h>
   34 __FBSDID("$FreeBSD: src/sys/dev/eisa/eisaconf.c,v 1.69.2.1 2005/01/30 00:59:38 imp Exp $");
   35 
   36 #include "opt_eisa.h"
   37 
   38 #include <sys/param.h>
   39 #include <sys/systm.h>
   40 #include <sys/queue.h>
   41 #include <sys/limits.h>
   42 #include <sys/malloc.h>
   43 #include <sys/kernel.h>
   44 #include <sys/module.h>
   45 #include <sys/bus.h>
   46 
   47 #include <machine/bus.h>
   48 #include <machine/resource.h>
   49 #include <sys/rman.h>
   50 
   51 #include <dev/eisa/eisaconf.h>
   52 
   53 typedef struct resvaddr {
   54         u_long  addr;                           /* start address */
   55         u_long  size;                           /* size of reserved area */
   56         int     flags;
   57         struct resource *res;                   /* resource manager handle */
   58         LIST_ENTRY(resvaddr) links;             /* List links */
   59 } resvaddr_t;
   60 
   61 LIST_HEAD(resvlist, resvaddr);
   62 
   63 struct irq_node {
   64         int     irq_no;
   65         int     irq_trigger;
   66         void    *idesc;
   67         TAILQ_ENTRY(irq_node) links;
   68 };
   69 
   70 TAILQ_HEAD(irqlist, irq_node);
   71 
   72 struct eisa_ioconf {
   73         int             slot;
   74         struct resvlist ioaddrs;        /* list of reserved I/O ranges */
   75         struct resvlist maddrs;         /* list of reserved memory ranges */
   76         struct irqlist  irqs;           /* list of reserved irqs */
   77 };
   78 
   79 /* To be replaced by the "super device" generic device structure... */
   80 struct eisa_device {
   81         eisa_id_t               id;
   82         struct eisa_ioconf      ioconf;
   83 };
   84 
   85 
   86 #define MAX_COL         79
   87 #ifndef EISA_SLOTS
   88 #define EISA_SLOTS 10   /* PCI clashes with higher ones.. fix later */
   89 #endif
   90 int num_eisa_slots = EISA_SLOTS;
   91 TUNABLE_INT("hw.eisa_slots", &num_eisa_slots);
   92 
   93 static devclass_t eisa_devclass;
   94 
   95 static int eisa_probe_slot(int slot, eisa_id_t *eisa_id);
   96 static void eisa_reg_print (device_t, char *, char *, int *);
   97 static struct irq_node * eisa_find_irq(struct eisa_device *e_dev, int rid);
   98 static struct resvaddr * eisa_find_maddr(struct eisa_device *e_dev, int rid);
   99 static struct resvaddr * eisa_find_ioaddr(struct eisa_device *e_dev, int rid);
  100 
  101 static int
  102 mainboard_probe(device_t dev)
  103 {
  104         char *idstring;
  105         eisa_id_t id = eisa_get_id(dev);
  106 
  107         if (eisa_get_slot(dev) != 0)
  108                 return (ENXIO);
  109 
  110         idstring = (char *)malloc(8 + sizeof(" (System Board)") + 1,
  111                                   M_DEVBUF, M_NOWAIT);
  112         if (idstring == NULL) {
  113                 panic("Eisa probe unable to malloc");
  114         }
  115         sprintf(idstring, "%c%c%c%03x%01x (System Board)",
  116                 EISA_MFCTR_CHAR0(id),
  117                 EISA_MFCTR_CHAR1(id),
  118                 EISA_MFCTR_CHAR2(id),
  119                 EISA_PRODUCT_ID(id),
  120                 EISA_REVISION_ID(id));
  121         device_set_desc(dev, idstring);
  122 
  123         return (0);
  124 }
  125 
  126 static int
  127 mainboard_attach(device_t dev)
  128 {
  129         return (0);
  130 }
  131 
  132 static device_method_t mainboard_methods[] = {
  133         /* Device interface */
  134         DEVMETHOD(device_probe,         mainboard_probe),
  135         DEVMETHOD(device_attach,        mainboard_attach),
  136 
  137         { 0, 0 }
  138 };
  139 
  140 static driver_t mainboard_driver = {
  141         "mainboard",
  142         mainboard_methods,
  143         1,
  144 };
  145 
  146 static devclass_t mainboard_devclass;
  147 
  148 DRIVER_MODULE(mainboard, eisa, mainboard_driver, mainboard_devclass, 0, 0);
  149                 
  150 /*
  151 ** probe for EISA devices
  152 */
  153 static int
  154 eisa_probe(device_t dev)
  155 {
  156         int devices_found, slot;
  157         struct eisa_device *e_dev;
  158         device_t child;
  159         eisa_id_t eisa_id;
  160 
  161         device_set_desc(dev, "EISA bus");
  162 
  163         devices_found = 0;
  164         for (slot = 0; slot < num_eisa_slots; slot++) {
  165                 eisa_id = 0;
  166                 if (eisa_probe_slot(slot, &eisa_id)) {
  167                         /*
  168                          * If there's no card in the first slot (the
  169                          * mainboard), then the system doesn't have EISA.
  170                          * We abort the probe early in this case since
  171                          * continuing on causes a hang on some systems.
  172                          * Interestingly enough, the inb has been seen to
  173                          * cause the hang.  However, aborting here causes
  174                          * the Adaptec 2842 probe to fail so that driver
  175                          * needs to be fixed separately.
  176                          */
  177                         if (slot == 0)
  178                                 break;
  179                         continue;
  180                 }
  181 
  182                 devices_found++;
  183 
  184                 /* Prepare an eisa_device_node for this slot */
  185                 e_dev = (struct eisa_device *)malloc(sizeof(*e_dev),
  186                                                      M_DEVBUF, M_NOWAIT|M_ZERO);
  187                 if (!e_dev) {
  188                         device_printf(dev, "cannot malloc eisa_device");
  189                         break; /* Try to attach what we have already */
  190                 }
  191 
  192                 e_dev->id = eisa_id;
  193                 e_dev->ioconf.slot = slot; 
  194 
  195                 /* Initialize our lists of reserved addresses */
  196                 LIST_INIT(&(e_dev->ioconf.ioaddrs));
  197                 LIST_INIT(&(e_dev->ioconf.maddrs));
  198                 TAILQ_INIT(&(e_dev->ioconf.irqs));
  199 
  200                 child = device_add_child(dev, NULL, -1);
  201                 device_set_ivars(child, e_dev);
  202         }
  203 
  204         /*
  205          * EISA busses themselves are not easily detectable, the easiest way
  206          * to tell if there is an eisa bus is if we found something - there
  207          * should be a motherboard "card" there somewhere.
  208          */
  209         return devices_found ? 0 : ENXIO;
  210 }
  211 
  212 static int
  213 eisa_probe_slot(int slot, eisa_id_t *eisa_id)
  214 {
  215         eisa_id_t probe_id;
  216         int base, i, id_size;
  217 
  218         probe_id = 0;
  219         id_size = sizeof(probe_id);
  220         base = 0x0c80 + (slot * 0x1000);
  221 
  222         for (i = 0; i < id_size; i++)
  223                 probe_id |= inb(base + i) << ((id_size - i - 1) * CHAR_BIT);
  224 
  225         /* If we found a card, return its EISA id. */
  226         if ((probe_id & 0x80000000) == 0) {
  227                 *eisa_id = probe_id;
  228                 return (0);
  229         }
  230 
  231         return (ENXIO);
  232 }
  233 
  234 static void
  235 eisa_probe_nomatch(device_t dev, device_t child)
  236 {
  237         u_int32_t       eisa_id = eisa_get_id(child);
  238         u_int8_t        slot = eisa_get_slot(child);
  239 
  240         device_printf(dev, "unknown card %c%c%c%03x%01x (0x%08x) at slot %d\n",
  241                 EISA_MFCTR_CHAR0(eisa_id),
  242                 EISA_MFCTR_CHAR1(eisa_id),
  243                 EISA_MFCTR_CHAR2(eisa_id),
  244                 EISA_PRODUCT_ID(eisa_id),
  245                 EISA_REVISION_ID(eisa_id),
  246                 eisa_id,
  247                 slot);
  248 
  249         return;
  250 }
  251 
  252 static void
  253 eisa_reg_print (dev, string, separator, column)
  254         device_t        dev;
  255         char *          string;
  256         char *          separator;
  257         int *           column;
  258 {
  259         int length = strlen(string);
  260 
  261         length += (separator ? 2 : 1);
  262 
  263         if (((*column) + length) >= MAX_COL) {
  264                 printf("\n");
  265                 (*column) = 0;
  266         } else if ((*column) != 0) {
  267                 if (separator) {
  268                         printf("%c", *separator);
  269                         (*column)++;
  270                 }
  271                 printf(" ");
  272                 (*column)++;
  273         }
  274 
  275         if ((*column) == 0) {
  276                 (*column) += device_printf(dev, "%s", string);
  277         } else {
  278                 (*column) += printf("%s", string);
  279         }
  280 
  281         return;
  282 }
  283 
  284 static int
  285 eisa_print_child(device_t dev, device_t child)
  286 {
  287         char                    buf[81];
  288         struct eisa_device *    e_dev = device_get_ivars(child);
  289         int                     rid;
  290         struct irq_node *       irq;
  291         struct resvaddr *       resv;
  292         char                    separator = ',';
  293         int                     column = 0;
  294         int                     retval = 0;
  295 
  296         if (device_get_desc(child)) {
  297                 snprintf(buf, sizeof(buf), "<%s>", device_get_desc(child));
  298                 eisa_reg_print(child, buf, NULL, &column);
  299         }
  300 
  301         rid = 0;
  302         while ((resv = eisa_find_ioaddr(e_dev, rid++))) {
  303                 if ((resv->size == 1) ||
  304                     (resv->flags & RESVADDR_BITMASK)) {
  305                         snprintf(buf, sizeof(buf), "%s%lx",
  306                                 ((rid == 1) ? "at 0x" : "0x"),
  307                                 resv->addr);
  308                 } else {
  309                         snprintf(buf, sizeof(buf), "%s%lx-0x%lx",
  310                                 ((rid == 1) ? "at 0x" : "0x"),
  311                                 resv->addr,
  312                                 (resv->addr + (resv->size - 1)));
  313                 }
  314                 eisa_reg_print(child, buf, 
  315                         ((rid == 2) ? &separator : NULL), &column);
  316         }
  317 
  318         rid = 0;
  319         while ((resv = eisa_find_maddr(e_dev, rid++))) {
  320                 if ((resv->size == 1) ||
  321                     (resv->flags & RESVADDR_BITMASK)) {
  322                         snprintf(buf, sizeof(buf), "%s%lx",
  323                                 ((rid == 1) ? "at 0x" : "0x"),
  324                                 resv->addr);
  325                 } else {
  326                         snprintf(buf, sizeof(buf), "%s%lx-0x%lx",
  327                                 ((rid == 1) ? "at 0x" : "0x"),
  328                                 resv->addr,
  329                                 (resv->addr + (resv->size - 1)));
  330                 }
  331                 eisa_reg_print(child, buf, 
  332                         ((rid == 2) ? &separator : NULL), &column);
  333         }
  334 
  335         rid = 0;
  336         while ((irq = eisa_find_irq(e_dev, rid++)) != NULL) {
  337                 snprintf(buf, sizeof(buf), "irq %d (%s)", irq->irq_no,
  338                          (irq->irq_trigger ? "level" : "edge"));
  339                 eisa_reg_print(child, buf, 
  340                         ((rid == 1) ? &separator : NULL), &column);
  341         }
  342 
  343         snprintf(buf, sizeof(buf), "on %s slot %d\n",
  344                 device_get_nameunit(dev), eisa_get_slot(child));
  345         eisa_reg_print(child, buf, NULL, &column);
  346 
  347         return (retval);
  348 }
  349 
  350 static struct irq_node *
  351 eisa_find_irq(struct eisa_device *e_dev, int rid)
  352 {
  353         int i;
  354         struct irq_node *irq;
  355 
  356         for (i = 0, irq = TAILQ_FIRST(&e_dev->ioconf.irqs);
  357              i < rid && irq;
  358              i++, irq = TAILQ_NEXT(irq, links))
  359                 ;
  360         
  361         if (irq)
  362                 return (irq);
  363         else
  364                 return (NULL);
  365 }
  366 
  367 static struct resvaddr *
  368 eisa_find_maddr(struct eisa_device *e_dev, int rid)
  369 {
  370         int i;
  371         struct resvaddr *resv;
  372 
  373         for (i = 0, resv = LIST_FIRST(&e_dev->ioconf.maddrs);
  374              i < rid && resv;
  375              i++, resv = LIST_NEXT(resv, links))
  376                 ;
  377 
  378         return resv;
  379 }
  380 
  381 static struct resvaddr *
  382 eisa_find_ioaddr(struct eisa_device *e_dev, int rid)
  383 {
  384         int i;
  385         struct resvaddr *resv;
  386 
  387         for (i = 0, resv = LIST_FIRST(&e_dev->ioconf.ioaddrs);
  388              i < rid && resv;
  389              i++, resv = LIST_NEXT(resv, links))
  390                 ;
  391 
  392         return resv;
  393 }
  394 
  395 static int
  396 eisa_read_ivar(device_t dev, device_t child, int which, u_long *result)
  397 {
  398         struct eisa_device *e_dev = device_get_ivars(child);
  399         struct irq_node *irq;
  400 
  401         switch (which) {
  402         case EISA_IVAR_SLOT:
  403                 *result = e_dev->ioconf.slot;
  404                 break;
  405                 
  406         case EISA_IVAR_ID:
  407                 *result = e_dev->id;
  408                 break;
  409 
  410         case EISA_IVAR_IRQ:
  411                 /* XXX only first irq */
  412                 if ((irq = eisa_find_irq(e_dev, 0)) != NULL) {
  413                         *result = irq->irq_no;
  414                 } else {
  415                         *result = -1;
  416                 }
  417                 break;
  418 
  419         default:
  420                 return (ENOENT);
  421         }
  422 
  423         return (0);
  424 }
  425 
  426 static int
  427 eisa_write_ivar(device_t dev, device_t child, int which, uintptr_t value)
  428 {
  429         return (EINVAL);
  430 }
  431 
  432 static struct resource *
  433 eisa_alloc_resource(device_t dev, device_t child, int type, int *rid,
  434                     u_long start, u_long end, u_long count, u_int flags)
  435 {
  436         int isdefault;
  437         struct eisa_device *e_dev = device_get_ivars(child);
  438         struct resource *rv, **rvp = 0;
  439 
  440         isdefault = (device_get_parent(child) == dev
  441                      && start == 0UL && end == ~0UL && count == 1);
  442 
  443         switch (type) {
  444         case SYS_RES_IRQ:
  445                 if (isdefault) {
  446                         struct irq_node * irq = eisa_find_irq(e_dev, *rid);
  447                         if (irq == NULL)
  448                                 return 0;
  449                         start = end = irq->irq_no;
  450                         count = 1;
  451                         if (irq->irq_trigger == EISA_TRIGGER_LEVEL) {
  452                                 flags |= RF_SHAREABLE;
  453                         } else {
  454                                 flags &= ~RF_SHAREABLE;
  455                         }
  456                 }
  457                 break;
  458 
  459         case SYS_RES_MEMORY:
  460                 if (isdefault) {
  461                         struct resvaddr *resv;
  462 
  463                         resv = eisa_find_maddr(e_dev, *rid);
  464                         if (!resv)
  465                                 return 0;
  466 
  467                         start = resv->addr;
  468                         end = resv->addr + (resv->size - 1);
  469                         count = resv->size;
  470                         rvp = &resv->res;
  471                 }
  472                 break;
  473 
  474         case SYS_RES_IOPORT:
  475                 if (isdefault) {
  476                         struct resvaddr *resv;
  477 
  478                         resv = eisa_find_ioaddr(e_dev, *rid);
  479                         if (!resv)
  480                                 return 0;
  481 
  482                         start = resv->addr;
  483                         end = resv->addr + (resv->size - 1);
  484                         count = resv->size;
  485                         rvp = &resv->res;
  486                 }
  487                 break;
  488 
  489         default:
  490                 return 0;
  491         }
  492 
  493         rv = BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
  494                                  type, rid, start, end, count, flags);
  495         if (rvp)
  496                 *rvp = rv;
  497 
  498         return rv;
  499 }
  500 
  501 static int
  502 eisa_release_resource(device_t dev, device_t child, int type, int rid,
  503                       struct resource *r)
  504 {
  505         int rv;
  506         struct eisa_device *e_dev = device_get_ivars(child);
  507         struct resvaddr *resv = 0;
  508 
  509         switch (type) {
  510         case SYS_RES_IRQ:
  511                 if (eisa_find_irq(e_dev, rid) == NULL)
  512                         return EINVAL;
  513                 break;
  514 
  515         case SYS_RES_MEMORY:
  516                 if (device_get_parent(child) == dev)
  517                         resv = eisa_find_maddr(e_dev, rid);
  518                 break;
  519 
  520 
  521         case SYS_RES_IOPORT:
  522                 if (device_get_parent(child) == dev)
  523                         resv = eisa_find_ioaddr(e_dev, rid);
  524                 break;
  525 
  526         default:
  527                 return (ENOENT);
  528         }
  529 
  530         rv = BUS_RELEASE_RESOURCE(device_get_parent(dev), child, type, rid, r);
  531 
  532         if (rv == 0) {
  533                 if (resv)
  534                         resv->res = 0;
  535         }
  536 
  537         return rv;
  538 }
  539 
  540 static int
  541 eisa_add_intr_m(device_t eisa, device_t dev, int irq, int trigger)
  542 {
  543         struct eisa_device *e_dev = device_get_ivars(dev);
  544         struct irq_node *irq_info;
  545  
  546         irq_info = (struct irq_node *)malloc(sizeof(*irq_info), M_DEVBUF,
  547                                              M_NOWAIT);
  548         if (irq_info == NULL)
  549                 return (1);
  550 
  551         irq_info->irq_no = irq;
  552         irq_info->irq_trigger = trigger;
  553         irq_info->idesc = NULL;
  554         TAILQ_INSERT_TAIL(&e_dev->ioconf.irqs, irq_info, links);
  555         return 0;
  556 }
  557 
  558 static int
  559 eisa_add_resvaddr(struct eisa_device *e_dev, struct resvlist *head, u_long base,
  560                   u_long size, int flags)
  561 {
  562         resvaddr_t *reservation;
  563 
  564         reservation = (resvaddr_t *)malloc(sizeof(resvaddr_t),
  565                                            M_DEVBUF, M_NOWAIT);
  566         if(!reservation)
  567                 return (ENOMEM);
  568 
  569         reservation->addr = base;
  570         reservation->size = size;
  571         reservation->flags = flags;
  572 
  573         if (!LIST_FIRST(head)) {
  574                 LIST_INSERT_HEAD(head, reservation, links);
  575         }
  576         else {
  577                 resvaddr_t *node;
  578                 LIST_FOREACH(node, head, links) {
  579                         if (node->addr > reservation->addr) {
  580                                 /*
  581                                  * List is sorted in increasing
  582                                  * address order.
  583                                  */
  584                                 LIST_INSERT_BEFORE(node, reservation, links);
  585                                 break;
  586                         }
  587 
  588                         if (node->addr == reservation->addr) {
  589                                 /*
  590                                  * If the entry we want to add
  591                                  * matches any already in here,
  592                                  * fail.
  593                                  */
  594                                 free(reservation, M_DEVBUF);
  595                                 return (EEXIST);
  596                         }
  597 
  598                         if (!LIST_NEXT(node, links)) {
  599                                 LIST_INSERT_AFTER(node, reservation, links);
  600                                 break;
  601                         }
  602                 }
  603         }
  604         return (0);
  605 }
  606 
  607 static int
  608 eisa_add_mspace_m(device_t eisa, device_t dev, u_long mbase, u_long msize,
  609     int flags)
  610 {
  611         struct eisa_device *e_dev = device_get_ivars(dev);
  612 
  613         return  eisa_add_resvaddr(e_dev, &(e_dev->ioconf.maddrs), mbase, msize,
  614                                   flags);
  615 }
  616 
  617 static int
  618 eisa_add_iospace_m(device_t eisa, device_t dev, u_long iobase, u_long iosize,
  619     int flags)
  620 {
  621         struct eisa_device *e_dev = device_get_ivars(dev);
  622 
  623         return  eisa_add_resvaddr(e_dev, &(e_dev->ioconf.ioaddrs), iobase,
  624                                   iosize, flags);
  625 }
  626 
  627 static device_method_t eisa_methods[] = {
  628         /* Device interface */
  629         DEVMETHOD(device_probe,         eisa_probe),
  630         DEVMETHOD(device_attach,        bus_generic_attach),
  631         DEVMETHOD(device_shutdown,      bus_generic_shutdown),
  632         DEVMETHOD(device_suspend,       bus_generic_suspend),
  633         DEVMETHOD(device_resume,        bus_generic_resume),
  634 
  635         /* Bus interface */
  636         DEVMETHOD(bus_print_child,      eisa_print_child),
  637         DEVMETHOD(bus_probe_nomatch,    eisa_probe_nomatch),
  638         DEVMETHOD(bus_read_ivar,        eisa_read_ivar),
  639         DEVMETHOD(bus_write_ivar,       eisa_write_ivar),
  640         DEVMETHOD(bus_driver_added,     bus_generic_driver_added),
  641         DEVMETHOD(bus_alloc_resource,   eisa_alloc_resource),
  642         DEVMETHOD(bus_release_resource, eisa_release_resource),
  643         DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
  644         DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
  645         DEVMETHOD(bus_setup_intr,       bus_generic_setup_intr),
  646         DEVMETHOD(bus_teardown_intr,    bus_generic_teardown_intr),
  647 
  648         /* EISA interface */
  649         DEVMETHOD(eisa_add_intr,        eisa_add_intr_m),
  650         DEVMETHOD(eisa_add_iospace,     eisa_add_iospace_m),
  651         DEVMETHOD(eisa_add_mspace,      eisa_add_mspace_m),
  652 
  653         { 0, 0 }
  654 };
  655 
  656 static driver_t eisa_driver = {
  657         "eisa",
  658         eisa_methods,
  659         1,                      /* no softc */
  660 };
  661 
  662 DRIVER_MODULE(eisa, eisab, eisa_driver, eisa_devclass, 0, 0);
  663 DRIVER_MODULE(eisa, legacy, eisa_driver, eisa_devclass, 0, 0);

Cache object: 3cbbdd7ea6a54be12758a38660b6ec5e


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