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 1.15 2006/10/25 20:55:59 dillon 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 #include <sys/rman.h>
  40
  41 #include <net/if.h>
  42 #include <net/if_arp.h>
  43
  44 #include <bus/eisa/eisaconf.h>
  45
  46 #include "if_vxreg.h"
  47
  48 #define EISA_DEVICE_ID_3COM_3C592       0x506d5920
  49 #define EISA_DEVICE_ID_3COM_3C597_TX    0x506d5970
  50 #define EISA_DEVICE_ID_3COM_3C597_T4    0x506d5971
  51 #define EISA_DEVICE_ID_3COM_3C597_MII   0x506d5972
  52
  53
  54 #define VX_EISA_SLOT_OFFSET             0x0c80
  55 #define VX_EISA_IOSIZE                  0x000a
  56 #define VX_RESOURCE_CONFIG              0x0008
  57
  58
  59 static const char *vx_match (eisa_id_t type);
  60
  61 static const char*
  62 vx_match(eisa_id_t type)
  63 {
  64     switch (type) {
  65       case EISA_DEVICE_ID_3COM_3C592:
  66         return "3Com 3C592 Network Adapter";
  67       case EISA_DEVICE_ID_3COM_3C597_TX:
  68         return "3Com 3C597-TX Network Adapter";
  69       case EISA_DEVICE_ID_3COM_3C597_T4:
  70         return "3Com 3C597-T4 Network Adapter";
  71       case EISA_DEVICE_ID_3COM_3C597_MII:
  72         return "3Com 3C597-MII Network Adapter";
  73       default:
  74         return (NULL);
  75     }
  76 }
  77
  78 static int
  79 vx_eisa_probe(device_t dev)
  80 {
  81     const char     *desc;
  82     u_long          iobase;
  83     u_long          port;
  84
  85     desc = vx_match(eisa_get_id(dev));
  86     if (!desc)
  87         return (ENXIO);
  88     device_set_desc(dev, desc);
  89
  90     port = eisa_get_slot(dev) * EISA_SLOT_SIZE;
  91     iobase = port + VX_EISA_SLOT_OFFSET;
  92
  93     eisa_add_iospace(dev, iobase, VX_EISA_IOSIZE, RESVADDR_NONE);
  94     eisa_add_iospace(dev, port, VX_IOSIZE, RESVADDR_NONE);
  95
  96     /* Set irq */
  97     eisa_add_intr(dev, inw(iobase + VX_RESOURCE_CONFIG) >> 12,
  98                   EISA_TRIGGER_EDGE);
  99
 100     return (0);
 101 }
 102
 103 static int
 104 vx_eisa_attach(device_t dev)
 105 {
 106     struct vx_softc *sc;
 107     struct resource *eisa_io = NULL;
 108     int             rid;
 109
 110     sc = device_get_softc(dev);
 111
 112     /*
 113      * The addresses are sorted in increasing order
 114      * so we know the port to pass to the core ep
 115      * driver comes first.
 116      */
 117     rid = 0;
 118     sc->vx_res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
 119     if (sc->vx_res == NULL) {
 120         device_printf(dev, "No I/O space?!\n");
 121         goto bad;
 122     }
 123
 124     rid = 1;
 125     eisa_io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
 126     if (eisa_io == NULL) {
 127         device_printf(dev, "No I/O space?!\n");
 128         goto bad;
 129     }
 130
 131     sc->vx_bhandle = rman_get_bushandle(sc->vx_res);
 132     sc->vx_btag = rman_get_bustag(sc->vx_res);
 133
 134     rid = 0;
 135     sc->vx_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
 136     if (sc->vx_irq == NULL) {
 137         device_printf(dev, "No irq?!\n");
 138         goto bad;
 139     }
 140
 141     /* Now the registers are availible through the lower ioport */
 142
 143     vxattach(dev);
 144
 145     if (bus_setup_intr(dev, sc->vx_irq, INTR_NETSAFE,
 146                        vxintr, sc, &sc->vx_intrhand,
 147                        sc->arpcom.ac_if.if_serializer)
 148     ) {
 149         ether_ifdetach(&sc->arpcom.ac_if);
 150         goto bad;
 151     }
 152     return 0;
 153
 154  bad:
 155     if (sc->vx_res)
 156         bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->vx_res);
 157     if (eisa_io)
 158         bus_release_resource(dev, SYS_RES_IOPORT, 0, eisa_io);
 159     if (sc->vx_irq)
 160         bus_release_resource(dev, SYS_RES_IRQ, 0, sc->vx_irq);
 161     return -1;
 162 }
 163
 164 static device_method_t vx_eisa_methods[] = {
 165         /* Device interface */
 166         DEVMETHOD(device_probe,         vx_eisa_probe),
 167         DEVMETHOD(device_attach,        vx_eisa_attach),
 168
 169         { 0, 0 }
 170 };
 171
 172 static driver_t vx_eisa_driver = {
 173         "vx",
 174         vx_eisa_methods,
 175         sizeof(struct vx_softc)
 176 };
 177
 178 static devclass_t vx_devclass;
 179
 180 DRIVER_MODULE(if_vx, eisa, vx_eisa_driver, vx_devclass, 0, 0);