sys/dev/netif/vx/if_vx_eisa.c

   1 /*
   2  * Copyright (C) 1996 Naoki Hamada <nao@tom-yam.or.jp>
   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  * 3. Neither the name of the author nor the names of any co-contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    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
  21  * FOR 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: src/sys/dev/vx/if_vx_eisa.c,v 1.14 2000/01/29 14:50:31 peter Exp $
  30  * $DragonFly: src/sys/dev/netif/vx/if_vx_eisa.c,v 1.11 2005/07/01 20:14:13 joerg Exp $
  31  */
  32
  33 #include <sys/param.h>
  34 #include <sys/systm.h>
  35 #include <sys/kernel.h>
  36 #include <sys/socket.h>
  37 #include <sys/module.h>
  38 #include <sys/bus.h>
  39
  40 #include <machine/bus.h>
  41 #include <machine/resource.h>
  42 #include <sys/rman.h>
  43
  44 #include <net/if.h>
  45 #include <net/if_arp.h>
  46
  47 #include <bus/eisa/eisaconf.h>
  48
  49 #include "if_vxreg.h"
  50
  51 #define EISA_DEVICE_ID_3COM_3C592       0x506d5920
  52 #define EISA_DEVICE_ID_3COM_3C597_TX    0x506d5970
  53 #define EISA_DEVICE_ID_3COM_3C597_T4    0x506d5971
  54 #define EISA_DEVICE_ID_3COM_3C597_MII   0x506d5972
  55
  56
  57 #define VX_EISA_SLOT_OFFSET             0x0c80
  58 #define VX_EISA_IOSIZE                  0x000a
  59 #define VX_RESOURCE_CONFIG              0x0008
  60
  61
  62 static const char *vx_match (eisa_id_t type);
  63
  64 static const char*
  65 vx_match(eisa_id_t type)
  66 {
  67     switch (type) {
  68       case EISA_DEVICE_ID_3COM_3C592:
  69         return "3Com 3C592 Network Adapter";
  70         break;
  71       case EISA_DEVICE_ID_3COM_3C597_TX:
  72         return "3Com 3C597-TX Network Adapter";
  73         break;
  74       case EISA_DEVICE_ID_3COM_3C597_T4:
  75         return "3Com 3C597-T4 Network Adapter";
  76         break;
  77       case EISA_DEVICE_ID_3COM_3C597_MII:
  78         return "3Com 3C597-MII Network Adapter";
  79         break;
  80       default:
  81         break;
  82     }
  83     return (NULL);
  84 }
  85
  86 static int
  87 vx_eisa_probe(device_t dev)
  88 {
  89     const char     *desc;
  90     u_long          iobase;
  91     u_long          port;
  92
  93     desc = vx_match(eisa_get_id(dev));
  94     if (!desc)
  95         return (ENXIO);
  96     device_set_desc(dev, desc);
  97
  98     port = eisa_get_slot(dev) * EISA_SLOT_SIZE;
  99     iobase = port + VX_EISA_SLOT_OFFSET;
 100
 101     eisa_add_iospace(dev, iobase, VX_EISA_IOSIZE, RESVADDR_NONE);
 102     eisa_add_iospace(dev, port, VX_IOSIZE, RESVADDR_NONE);
 103
 104     /* Set irq */
 105     eisa_add_intr(dev, inw(iobase + VX_RESOURCE_CONFIG) >> 12,
 106                   EISA_TRIGGER_EDGE);
 107
 108     return (0);
 109 }
 110
 111 static int
 112 vx_eisa_attach(device_t dev)
 113 {
 114     struct vx_softc *sc;
 115     struct resource *io = 0;
 116     struct resource *eisa_io = 0;
 117     struct resource *irq = 0;
 118     int             rid;
 119     void            *ih;
 120
 121     /*
 122      * The addresses are sorted in increasing order
 123      * so we know the port to pass to the core ep
 124      * driver comes first.
 125      */
 126     rid = 0;
 127     io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
 128     if (!io) {
 129         device_printf(dev, "No I/O space?!\n");
 130         goto bad;
 131     }
 132
 133     rid = 1;
 134     eisa_io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
 135     if (!eisa_io) {
 136         device_printf(dev, "No I/O space?!\n");
 137         goto bad;
 138     }
 139
 140     sc = device_get_softc(dev);
 141
 142     sc->vx_res = io;
 143     sc->vx_bhandle = rman_get_bushandle(io);
 144     sc->vx_btag = rman_get_bustag(io);
 145
 146     rid = 0;
 147     irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
 148     if (!irq) {
 149         device_printf(dev, "No irq?!\n");
 150         goto bad;
 151     }
 152
 153     sc->vx_irq = irq;
 154
 155     /* Now the registers are availible through the lower ioport */
 156
 157     vxattach(dev);
 158
 159     if (bus_setup_intr(dev, irq, INTR_TYPE_NET, vxintr, sc, &ih, NULL)) {
 160         ether_ifdetach(&sc->arpcom.ac_if);
 161         goto bad;
 162     }
 163
 164     sc->vx_intrhand = ih;
 165
 166     return 0;
 167
 168  bad:
 169     if (io)
 170         bus_release_resource(dev, SYS_RES_IOPORT, 0, io);
 171     if (eisa_io)
 172         bus_release_resource(dev, SYS_RES_IOPORT, 0, eisa_io);
 173     if (irq)
 174         bus_release_resource(dev, SYS_RES_IRQ, 0, irq);
 175     return -1;
 176 }
 177
 178 static device_method_t vx_eisa_methods[] = {
 179         /* Device interface */
 180         DEVMETHOD(device_probe,         vx_eisa_probe),
 181         DEVMETHOD(device_attach,        vx_eisa_attach),
 182
 183         { 0, 0 }
 184 };
 185
 186 static driver_t vx_eisa_driver = {
 187         "vx",
 188         vx_eisa_methods,
 189         sizeof(struct vx_softc)
 190 };
 191
 192 static devclass_t vx_devclass;
 193
 194 DRIVER_MODULE(if_vx, eisa, vx_eisa_driver, vx_devclass, 0, 0);