sys/dev/netif/ex/if_ex_isa.c

   1 /*-
   2  * Copyright (c) 2000 Matthew N. Dodd
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  *      $FreeBSD: src/sys/dev/ex/if_ex_isa.c,v 1.3.2.1 2001/03/05 05:33:20 imp Exp $
  27  *      $DragonFly: src/sys/dev/netif/ex/if_ex_isa.c,v 1.6 2003/11/20 22:07:28 dillon Exp $
  28  */
  29
  30 #include <sys/param.h>
  31 #include <sys/systm.h>
  32 #include <sys/kernel.h>
  33 #include <sys/socket.h>
  34
  35 #include <sys/module.h>
  36 #include <sys/bus.h>
  37
  38 #include <machine/bus.h>
  39 #include <machine/resource.h>
  40 #include <machine/clock.h>
  41 #include <sys/rman.h>
  42
  43 #include <net/if.h>
  44 #include <net/if_arp.h>
  45 #include <net/if_media.h>
  46
  47
  48 #include <bus/isa/isavar.h>
  49 #include <bus/isa/pnpvar.h>
  50
  51 #include "if_exreg.h"
  52 #include "if_exvar.h"
  53
  54 /* Bus Front End Functions */
  55 static void     ex_isa_identify (driver_t *, device_t);
  56 static int      ex_isa_probe    (device_t);
  57 static int      ex_isa_attach   (device_t);
  58
  59 #if 0
  60 static  void    ex_pnp_wakeup   (void *);
  61
  62 SYSINIT(ex_pnpwakeup, SI_SUB_CPU, SI_ORDER_ANY, ex_pnp_wakeup, NULL);
  63 #endif
  64
  65 static device_method_t ex_methods[] = {
  66         /* Device interface */
  67         DEVMETHOD(device_identify,      ex_isa_identify),
  68         DEVMETHOD(device_probe,         ex_isa_probe),
  69         DEVMETHOD(device_attach,        ex_isa_attach),
  70
  71         { 0, 0 }
  72 };
  73
  74 static driver_t ex_driver = {
  75         "ex",
  76         ex_methods,
  77         sizeof(struct ex_softc),
  78 };
  79
  80 devclass_t ex_devclass;
  81
  82 DRIVER_MODULE(if_ex, isa, ex_driver, ex_devclass, 0, 0);
  83
  84 static struct isa_pnp_id ex_ids[] = {
  85         { 0x3110d425,   NULL }, /* INT1031 */
  86         { 0x3010d425,   NULL }, /* INT1030 */
  87         { 0,            NULL },
  88 };
  89
  90 #if 0
  91 #define EX_PNP_WAKE             0x279
  92
  93 static u_int8_t ex_pnp_wake_seq[] =
  94                         { 0x6A, 0xB5, 0xDA, 0xED, 0xF6, 0xFB, 0x7D, 0xBE,
  95                           0xDF, 0x6F, 0x37, 0x1B, 0x0D, 0x86, 0xC3, 0x61,
  96                           0xB0, 0x58, 0x2C, 0x16, 0x8B, 0x45, 0xA2, 0xD1,
  97                           0xE8, 0x74, 0x3A, 0x9D, 0xCE, 0xE7, 0x73, 0x43 };
  98
  99 static void
 100 ex_pnp_wakeup (void * dummy)
 101 {
 102         int     tmp;
 103
 104         if (bootverbose)
 105                 printf("ex_pnp_wakeup()\n");
 106
 107         outb(EX_PNP_WAKE, 0);
 108         outb(EX_PNP_WAKE, 0);
 109         for (tmp = 0; tmp < 32; tmp++) {
 110                 outb(EX_PNP_WAKE, ex_pnp_wake_seq[tmp]);
 111         }
 112 }
 113 #endif
 114
 115 /*
 116  * Non-destructive identify.
 117  */
 118 static void
 119 ex_isa_identify (driver_t *driver, device_t parent)
 120 {
 121         device_t        child;
 122         u_int32_t       ioport;
 123         u_char          enaddr[6];
 124         u_int           irq;
 125         int             tmp;
 126         const char *    desc;
 127
 128         if (bootverbose)
 129                 printf("ex_isa_identify()\n");
 130
 131         for (ioport = 0x200; ioport < 0x3a0; ioport += 0x10) {
 132
 133                 /* No board found at address */
 134                 if (!look_for_card(ioport)) {
 135                         continue;
 136                 }
 137
 138                 if (bootverbose)
 139                         printf("ex: Found card at 0x%03x!\n", ioport);
 140
 141                 /* Board in PnP mode */
 142                 if (eeprom_read(ioport, EE_W0) & EE_W0_PNP) {
 143                         /* Reset the card. */
 144                         outb(ioport + CMD_REG, Reset_CMD);
 145                         DELAY(500);
 146                         if (bootverbose)
 147                                 printf("ex: card at 0x%03x in PnP mode!\n", ioport);
 148                         continue;
 149                 }
 150
 151                 bzero(enaddr, sizeof(enaddr));
 152
 153                 /* Reset the card. */
 154                 outb(ioport + CMD_REG, Reset_CMD);
 155                 DELAY(400);
 156
 157                 ex_get_address(ioport, enaddr);
 158                 tmp = eeprom_read(ioport, EE_W1) & EE_W1_INT_SEL;
 159
 160                 /* work out which set of irq <-> internal tables to use */
 161                 if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) {
 162                         irq  = plus_ee2irqmap[tmp];
 163                         desc = "Intel Pro/10+";
 164                 } else {
 165                         irq = ee2irqmap[tmp];
 166                         desc = "Intel Pro/10";
 167                 }
 168
 169                 child = BUS_ADD_CHILD(parent, ISA_ORDER_SPECULATIVE, "ex", -1);
 170                 device_set_desc_copy(child, desc);
 171                 device_set_driver(child, driver);
 172                 bus_set_resource(child, SYS_RES_IRQ, 0, irq, 1);
 173                 bus_set_resource(child, SYS_RES_IOPORT, 0, ioport, EX_IOSIZE);
 174
 175                 if (bootverbose)
 176                         printf("ex: Adding board at 0x%03x, irq %d\n", ioport, irq);
 177         }
 178
 179         return;
 180 }
 181
 182 static int
 183 ex_isa_probe(device_t dev)
 184 {
 185         u_int           iobase;
 186         u_int           irq;
 187         char *          irq2ee;
 188         u_char *        ee2irq;
 189         u_char          enaddr[6];
 190         int             tmp;
 191         int             error;
 192
 193         /* Check isapnp ids */
 194         error = ISA_PNP_PROBE(device_get_parent(dev), dev, ex_ids);
 195
 196         /* If the card had a PnP ID that didn't match any we know about */
 197         if (error == ENXIO) {
 198                 return(error);
 199         }
 200
 201         /* If we had some other problem. */
 202         if (!(error == 0 || error == ENOENT)) {
 203                 return(error);
 204         }
 205
 206         iobase = bus_get_resource_start(dev, SYS_RES_IOPORT, 0);
 207         if (!iobase) {
 208                 printf("ex: no iobase?\n");
 209                 return(ENXIO);
 210         }
 211
 212         if (!look_for_card(iobase)) {
 213                 printf("ex: no card found at 0x%03x\n", iobase);
 214                 return(ENXIO);
 215         }
 216
 217         if (bootverbose)
 218                 printf("ex: ex_isa_probe() found card at 0x%03x\n", iobase);
 219
 220         /*
 221          * Reset the card.
 222          */
 223         outb(iobase + CMD_REG, Reset_CMD);
 224         DELAY(800);
 225
 226         ex_get_address(iobase, enaddr);
 227
 228         /* work out which set of irq <-> internal tables to use */
 229         if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) {
 230                 irq2ee = plus_irq2eemap;
 231                 ee2irq = plus_ee2irqmap;
 232         } else {
 233                 irq2ee = irq2eemap;
 234                 ee2irq = ee2irqmap;
 235         }
 236
 237         tmp = eeprom_read(iobase, EE_W1) & EE_W1_INT_SEL;
 238         irq = bus_get_resource_start(dev, SYS_RES_IRQ, 0);
 239
 240         if (irq > 0) {
 241                 /* This will happen if board is in PnP mode. */
 242                 if (ee2irq[tmp] != irq) {
 243                         printf("ex: WARNING: board's EEPROM is configured"
 244                                 " for IRQ %d, using %d\n",
 245                                 ee2irq[tmp], irq);
 246                 }
 247         } else {
 248                 irq = ee2irq[tmp];
 249                 bus_set_resource(dev, SYS_RES_IRQ, 0, irq, 1);
 250         }
 251
 252         if (irq == 0) {
 253                 printf("ex: invalid IRQ.\n");
 254                 return(ENXIO);
 255         }
 256
 257         return(0);
 258 }
 259
 260 static int
 261 ex_isa_attach(device_t dev)
 262 {
 263         struct ex_softc *       sc = device_get_softc(dev);
 264         int                     error = 0;
 265         u_int16_t               temp;
 266
 267         sc->dev = dev;
 268         sc->ioport_rid = 0;
 269         sc->irq_rid = 0;
 270
 271         if ((error = ex_alloc_resources(dev)) != 0) {
 272                 device_printf(dev, "ex_alloc_resources() failed!\n");
 273                 goto bad;
 274         }
 275
 276         /*
 277          * Fill in several fields of the softc structure:
 278          *      - I/O base address.
 279          *      - Hardware Ethernet address.
 280          *      - IRQ number (if not supplied in config file, read it from EEPROM).
 281          *      - Connector type.
 282          */
 283         sc->iobase = rman_get_start(sc->ioport);
 284         sc->irq_no = rman_get_start(sc->irq);
 285
 286         ex_get_address(sc->iobase, sc->arpcom.ac_enaddr);
 287
 288         temp = eeprom_read(sc->iobase, EE_W0);
 289         device_printf(sc->dev, "%s config, %s bus, ",
 290                 (temp & EE_W0_PNP) ? "PnP" : "Manual",
 291                 (temp & EE_W0_BUS16) ? "16-bit" : "8-bit");
 292
 293         temp = eeprom_read(sc->iobase, EE_W6);
 294         printf("board id 0x%03x, stepping 0x%01x\n",
 295                 (temp & EE_W6_BOARD_MASK) >> EE_W6_BOARD_SHIFT,
 296                 temp & EE_W6_STEP_MASK);
 297
 298         if ((error = ex_attach(dev)) != 0) {
 299                 device_printf(dev, "ex_attach() failed!\n");
 300                 goto bad;
 301         }
 302
 303         error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
 304                                 ex_intr, (void *)sc, &sc->ih);
 305         if (error) {
 306                 device_printf(dev, "bus_setup_intr() failed!\n");
 307                 goto bad;
 308         }
 309
 310         return(0);
 311 bad:
 312         ex_release_resources(dev);
 313         return (error);
 314 }