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 1.2 2003/06/17 04:28:25 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 <sys/rman.h>
  41
  42 #include <net/if.h>
  43 #include <net/if_arp.h>
  44 #include <net/if_media.h>
  45
  46
  47 #include <isa/isavar.h>
  48 #include <isa/pnpvar.h>
  49
  50 #include <dev/ex/if_exreg.h>
  51 #include <dev/ex/if_exvar.h>
  52
  53 /* Bus Front End Functions */
  54 static void     ex_isa_identify __P((driver_t *, device_t));
  55 static int      ex_isa_probe    __P((device_t));
  56 static int      ex_isa_attach   __P((device_t));
  57
  58 #if 0
  59 static  void    ex_pnp_wakeup   (void *);
  60
  61 SYSINIT(ex_pnpwakeup, SI_SUB_CPU, SI_ORDER_ANY, ex_pnp_wakeup, NULL);
  62 #endif
  63
  64 static device_method_t ex_methods[] = {
  65         /* Device interface */
  66         DEVMETHOD(device_identify,      ex_isa_identify),
  67         DEVMETHOD(device_probe,         ex_isa_probe),
  68         DEVMETHOD(device_attach,        ex_isa_attach),
  69
  70         { 0, 0 }
  71 };
  72
  73 static driver_t ex_driver = {
  74         "ex",
  75         ex_methods,
  76         sizeof(struct ex_softc),
  77 };
  78
  79 devclass_t ex_devclass;
  80
  81 DRIVER_MODULE(ex, isa, ex_driver, ex_devclass, 0, 0);
  82
  83 static struct isa_pnp_id ex_ids[] = {
  84         { 0x3110d425,   NULL }, /* INT1031 */
  85         { 0x3010d425,   NULL }, /* INT1030 */
  86         { 0,            NULL },
  87 };
  88
  89 #if 0
  90 #define EX_PNP_WAKE             0x279
  91
  92 static u_int8_t ex_pnp_wake_seq[] =
  93                         { 0x6A, 0xB5, 0xDA, 0xED, 0xF6, 0xFB, 0x7D, 0xBE,
  94                           0xDF, 0x6F, 0x37, 0x1B, 0x0D, 0x86, 0xC3, 0x61,
  95                           0xB0, 0x58, 0x2C, 0x16, 0x8B, 0x45, 0xA2, 0xD1,
  96                           0xE8, 0x74, 0x3A, 0x9D, 0xCE, 0xE7, 0x73, 0x43 };
  97
  98 static void
  99 ex_pnp_wakeup (void * dummy)
 100 {
 101         int     tmp;
 102
 103         if (bootverbose)
 104                 printf("ex_pnp_wakeup()\n");
 105
 106         outb(EX_PNP_WAKE, 0);
 107         outb(EX_PNP_WAKE, 0);
 108         for (tmp = 0; tmp < 32; tmp++) {
 109                 outb(EX_PNP_WAKE, ex_pnp_wake_seq[tmp]);
 110         }
 111 }
 112 #endif
 113
 114 /*
 115  * Non-destructive identify.
 116  */
 117 static void
 118 ex_isa_identify (driver_t *driver, device_t parent)
 119 {
 120         device_t        child;
 121         u_int32_t       ioport;
 122         u_char          enaddr[6];
 123         u_int           irq;
 124         int             tmp;
 125         const char *    desc;
 126
 127         if (bootverbose)
 128                 printf("ex_isa_identify()\n");
 129
 130         for (ioport = 0x200; ioport < 0x3a0; ioport += 0x10) {
 131
 132                 /* No board found at address */
 133                 if (!look_for_card(ioport)) {
 134                         continue;
 135                 }
 136
 137                 if (bootverbose)
 138                         printf("ex: Found card at 0x%03x!\n", ioport);
 139
 140                 /* Board in PnP mode */
 141                 if (eeprom_read(ioport, EE_W0) & EE_W0_PNP) {
 142                         /* Reset the card. */
 143                         outb(ioport + CMD_REG, Reset_CMD);
 144                         DELAY(500);
 145                         if (bootverbose)
 146                                 printf("ex: card at 0x%03x in PnP mode!\n", ioport);
 147                         continue;
 148                 }
 149
 150                 bzero(enaddr, sizeof(enaddr));
 151
 152                 /* Reset the card. */
 153                 outb(ioport + CMD_REG, Reset_CMD);
 154                 DELAY(400);
 155
 156                 ex_get_address(ioport, enaddr);
 157                 tmp = eeprom_read(ioport, EE_W1) & EE_W1_INT_SEL;
 158
 159                 /* work out which set of irq <-> internal tables to use */
 160                 if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) {
 161                         irq  = plus_ee2irqmap[tmp];
 162                         desc = "Intel Pro/10+";
 163                 } else {
 164                         irq = ee2irqmap[tmp];
 165                         desc = "Intel Pro/10";
 166                 }
 167
 168                 child = BUS_ADD_CHILD(parent, ISA_ORDER_SPECULATIVE, "ex", -1);
 169                 device_set_desc_copy(child, desc);
 170                 device_set_driver(child, driver);
 171                 bus_set_resource(child, SYS_RES_IRQ, 0, irq, 1);
 172                 bus_set_resource(child, SYS_RES_IOPORT, 0, ioport, EX_IOSIZE);
 173
 174                 if (bootverbose)
 175                         printf("ex: Adding board at 0x%03x, irq %d\n", ioport, irq);
 176         }
 177
 178         return;
 179 }
 180
 181 static int
 182 ex_isa_probe(device_t dev)
 183 {
 184         u_int           iobase;
 185         u_int           irq;
 186         char *          irq2ee;
 187         u_char *        ee2irq;
 188         u_char          enaddr[6];
 189         int             tmp;
 190         int             error;
 191
 192         /* Check isapnp ids */
 193         error = ISA_PNP_PROBE(device_get_parent(dev), dev, ex_ids);
 194
 195         /* If the card had a PnP ID that didn't match any we know about */
 196         if (error == ENXIO) {
 197                 return(error);
 198         }
 199
 200         /* If we had some other problem. */
 201         if (!(error == 0 || error == ENOENT)) {
 202                 return(error);
 203         }
 204
 205         iobase = bus_get_resource_start(dev, SYS_RES_IOPORT, 0);
 206         if (!iobase) {
 207                 printf("ex: no iobase?\n");
 208                 return(ENXIO);
 209         }
 210
 211         if (!look_for_card(iobase)) {
 212                 printf("ex: no card found at 0x%03x\n", iobase);
 213                 return(ENXIO);
 214         }
 215
 216         if (bootverbose)
 217                 printf("ex: ex_isa_probe() found card at 0x%03x\n", iobase);
 218
 219         /*
 220          * Reset the card.
 221          */
 222         outb(iobase + CMD_REG, Reset_CMD);
 223         DELAY(800);
 224
 225         ex_get_address(iobase, enaddr);
 226
 227         /* work out which set of irq <-> internal tables to use */
 228         if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) {
 229                 irq2ee = plus_irq2eemap;
 230                 ee2irq = plus_ee2irqmap;
 231         } else {
 232                 irq2ee = irq2eemap;
 233                 ee2irq = ee2irqmap;
 234         }
 235
 236         tmp = eeprom_read(iobase, EE_W1) & EE_W1_INT_SEL;
 237         irq = bus_get_resource_start(dev, SYS_RES_IRQ, 0);
 238
 239         if (irq > 0) {
 240                 /* This will happen if board is in PnP mode. */
 241                 if (ee2irq[tmp] != irq) {
 242                         printf("ex: WARNING: board's EEPROM is configured"
 243                                 " for IRQ %d, using %d\n",
 244                                 ee2irq[tmp], irq);
 245                 }
 246         } else {
 247                 irq = ee2irq[tmp];
 248                 bus_set_resource(dev, SYS_RES_IRQ, 0, irq, 1);
 249         }
 250
 251         if (irq == 0) {
 252                 printf("ex: invalid IRQ.\n");
 253                 return(ENXIO);
 254         }
 255
 256         return(0);
 257 }
 258
 259 static int
 260 ex_isa_attach(device_t dev)
 261 {
 262         struct ex_softc *       sc = device_get_softc(dev);
 263         int                     error = 0;
 264         u_int16_t               temp;
 265
 266         sc->dev = dev;
 267         sc->ioport_rid = 0;
 268         sc->irq_rid = 0;
 269
 270         if ((error = ex_alloc_resources(dev)) != 0) {
 271                 device_printf(dev, "ex_alloc_resources() failed!\n");
 272                 goto bad;
 273         }
 274
 275         /*
 276          * Fill in several fields of the softc structure:
 277          *      - I/O base address.
 278          *      - Hardware Ethernet address.
 279          *      - IRQ number (if not supplied in config file, read it from EEPROM).
 280          *      - Connector type.
 281          */
 282         sc->iobase = rman_get_start(sc->ioport);
 283         sc->irq_no = rman_get_start(sc->irq);
 284
 285         ex_get_address(sc->iobase, sc->arpcom.ac_enaddr);
 286
 287         temp = eeprom_read(sc->iobase, EE_W0);
 288         device_printf(sc->dev, "%s config, %s bus, ",
 289                 (temp & EE_W0_PNP) ? "PnP" : "Manual",
 290                 (temp & EE_W0_BUS16) ? "16-bit" : "8-bit");
 291
 292         temp = eeprom_read(sc->iobase, EE_W6);
 293         printf("board id 0x%03x, stepping 0x%01x\n",
 294                 (temp & EE_W6_BOARD_MASK) >> EE_W6_BOARD_SHIFT,
 295                 temp & EE_W6_STEP_MASK);
 296
 297         if ((error = ex_attach(dev)) != 0) {
 298                 device_printf(dev, "ex_attach() failed!\n");
 299                 goto bad;
 300         }
 301
 302         error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
 303                                 ex_intr, (void *)sc, &sc->ih);
 304         if (error) {
 305                 device_printf(dev, "bus_setup_intr() failed!\n");
 306                 goto bad;
 307         }
 308
 309         return(0);
 310 bad:
 311         ex_release_resources(dev);
 312         return (error);
 313 }