sys/net/i4b/capi/iavc/iavc_isa.c

   1 /*
   2  * Copyright (c) 2001 Hellmuth Michaelis. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  23  * SUCH DAMAGE.
  24  *
  25  * $FreeBSD: src/sys/i4b/capi/iavc/iavc_isa.c,v 1.1.2.1 2001/08/10 14:08:34 obrien Exp $
  26  * $DragonFly: src/sys/net/i4b/capi/iavc/iavc_isa.c,v 1.2 2003/06/17 04:28:39 dillon Exp $
  27  */
  28
  29 #include "iavc.h"
  30 #include "i4bcapi.h"
  31
  32 #if (NIAVC > 0) && (NI4BCAPI > 0)
  33
  34 #include <sys/param.h>
  35 #include <sys/kernel.h>
  36 #include <sys/systm.h>
  37 #include <sys/mbuf.h>
  38 #include <sys/socket.h>
  39 #include <net/if.h>
  40
  41 #include <machine/clock.h>
  42
  43 #include <machine/bus.h>
  44 #include <machine/resource.h>
  45 #include <sys/bus.h>
  46 #include <sys/rman.h>
  47 #include <vm/vm.h>
  48 #include <vm/pmap.h>
  49 #include <isa/isavar.h>
  50
  51 #include <machine/i4b_debug.h>
  52 #include <machine/i4b_ioctl.h>
  53 #include <machine/i4b_trace.h>
  54
  55 #include <i4b/include/i4b_global.h>
  56 #include <i4b/include/i4b_l3l4.h>
  57 #include <i4b/include/i4b_mbuf.h>
  58
  59 #include <i4b/capi/capi.h>
  60
  61 #include <i4b/capi/iavc/iavc.h>
  62
  63 /* ISA driver linkage */
  64
  65 static void iavc_isa_intr(iavc_softc_t *sc);
  66 static int iavc_isa_probe(device_t dev);
  67 static int iavc_isa_attach(device_t dev);
  68
  69 static device_method_t iavc_isa_methods[] =
  70 {
  71     DEVMETHOD(device_probe,     iavc_isa_probe),
  72     DEVMETHOD(device_attach,    iavc_isa_attach),
  73     { 0, 0 }
  74 };
  75
  76 static driver_t iavc_isa_driver =
  77 {
  78     "iavc",
  79     iavc_isa_methods,
  80     0
  81 };
  82
  83 static devclass_t iavc_isa_devclass;
  84
  85 DRIVER_MODULE(iavc, isa, iavc_isa_driver, iavc_isa_devclass, 0, 0);
  86
  87 #define B1_IOLENGTH     0x20
  88
  89 static int b1_irq_table[] =
  90 {0, 0, 0, 192, 32, 160, 96, 224, 0, 64, 80, 208, 48, 0, 0, 112};
  91 /*        3    4   5    6   7       9   10  11   12        15 */
  92
  93 /*---------------------------------------------------------------------------*
  94  *      device probe
  95  *---------------------------------------------------------------------------*/
  96
  97 static int
  98 iavc_isa_probe(device_t dev)
  99 {
 100         struct iavc_softc *sc;
 101         int ret = ENXIO;
 102         int unit = device_get_unit(dev);
 103
 104         if(isa_get_vendorid(dev))       /* no PnP probes here */
 105                 return ENXIO;
 106
 107         /* check max unit range */
 108
 109         if (unit >= IAVC_MAXUNIT)
 110         {
 111                 printf("iavc%d: too many units\n", unit);
 112                 return(ENXIO);
 113         }
 114
 115         sc = iavc_find_sc(unit);        /* get softc */
 116
 117         sc->sc_unit = unit;
 118
 119         if (!(sc->sc_resources.io_base[0] =
 120                 bus_alloc_resource(dev, SYS_RES_IOPORT,
 121                         &sc->sc_resources.io_rid[0],
 122                         0UL, ~0UL, B1_IOLENGTH, RF_ACTIVE)))
 123         {
 124                 printf("iavc%d: can't allocate io region\n", unit);
 125                 return(ENXIO);
 126         }
 127
 128         sc->sc_iobase = rman_get_start(sc->sc_resources.io_base[0]);
 129
 130         switch(sc->sc_iobase)
 131         {
 132                 case 0x150:
 133                 case 0x250:
 134                 case 0x300:
 135                 case 0x340:
 136                         break;
 137                 default:
 138                         printf("iavc%d: ERROR, invalid i/o base addr 0x%x configured!\n", sc->sc_unit, sc->sc_iobase);
 139                         bus_release_resource(dev, SYS_RES_IOPORT,
 140                                         sc->sc_resources.io_rid[0],
 141                                         sc->sc_resources.io_base[0]);
 142                 return(ENXIO);
 143         }
 144
 145         sc->sc_io_bt = rman_get_bustag(sc->sc_resources.io_base[0]);
 146         sc->sc_io_bh = rman_get_bushandle(sc->sc_resources.io_base[0]);
 147
 148         /* setup characteristics */
 149
 150         sc->sc_t1 = FALSE;
 151         sc->sc_dma = FALSE;
 152
 153         sc->sc_capi.card_type = CARD_TYPEC_AVM_B1_ISA;
 154         sc->sc_capi.sc_nbch = 2;
 155
 156         b1_reset(sc);
 157         DELAY(100);
 158
 159         ret = b1_detect(sc);
 160
 161         if(ret)
 162         {
 163                 printf("iavc%d: no card ? b1_detect returns 0x02x\n", sc->sc_unit, ret);
 164                 return(ENXIO);
 165         }
 166
 167         DELAY(100);
 168
 169         b1_reset(sc);
 170
 171         DELAY(100);
 172
 173         if(bootverbose)
 174         {
 175                 printf("iavc%d: class = 0x%02x, rev = 0x%02x\n", sc->sc_unit,
 176                         iavc_read_port(sc, B1_ANALYSE),
 177                         iavc_read_port(sc, B1_REVISION));
 178         }
 179
 180         device_set_desc(dev, "AVM B1 ISA");
 181         return(0);
 182 }
 183
 184 /*---------------------------------------------------------------------------*
 185  *      attach
 186  *---------------------------------------------------------------------------*/
 187 static int
 188 iavc_isa_attach(device_t dev)
 189 {
 190         struct iavc_softc *sc;
 191         void *ih = 0;
 192         int unit = device_get_unit(dev);
 193         int irq;
 194
 195         sc = iavc_find_sc(unit);        /* get softc */
 196
 197         sc->sc_resources.irq_rid = 0;
 198
 199         if(!(sc->sc_resources.irq =
 200                 bus_alloc_resource(dev, SYS_RES_IRQ,
 201                         &sc->sc_resources.irq_rid,
 202                         0UL, ~0UL, 1, RF_ACTIVE)))
 203         {
 204                 printf("iavc%d: can't allocate irq\n",unit);
 205                 bus_release_resource(dev, SYS_RES_IOPORT,
 206                                 sc->sc_resources.io_rid[0],
 207                                 sc->sc_resources.io_base[0]);
 208                 return(ENXIO);
 209         }
 210
 211         irq = rman_get_start(sc->sc_resources.irq);
 212
 213         if(b1_irq_table[irq] == 0)
 214         {
 215                 printf("iavc%d: ERROR, illegal irq %d configured!\n",unit, irq);
 216                 bus_release_resource(dev, SYS_RES_IOPORT,
 217                                 sc->sc_resources.io_rid[0],
 218                                 sc->sc_resources.io_base[0]);
 219                 bus_release_resource(dev, SYS_RES_IRQ,
 220                                 sc->sc_resources.irq_rid,
 221                                 sc->sc_resources.irq);
 222                 return(ENXIO);
 223         }
 224
 225         memset(&sc->sc_txq, 0, sizeof(struct ifqueue));
 226         sc->sc_txq.ifq_maxlen = sc->sc_capi.sc_nbch * 4;
 227
 228 #if defined (__FreeBSD__) && __FreeBSD__ > 4
 229         mtx_init(&sc->sc_txq.ifq_mtx, "i4b_ivac_isa", MTX_DEF);
 230 #endif
 231
 232         sc->sc_intr = FALSE;
 233         sc->sc_state = IAVC_DOWN;
 234         sc->sc_blocked = FALSE;
 235
 236         /* setup capi link */
 237
 238         sc->sc_capi.load = iavc_load;
 239         sc->sc_capi.reg_appl = iavc_register;
 240         sc->sc_capi.rel_appl = iavc_release;
 241         sc->sc_capi.send = iavc_send;
 242         sc->sc_capi.ctx = (void*) sc;
 243
 244         if (capi_ll_attach(&sc->sc_capi))
 245         {
 246                 printf("iavc%d: capi attach failed\n", unit);
 247                 return(ENXIO);
 248         }
 249
 250         /* setup the interrupt */
 251
 252         if(bus_setup_intr(dev, sc->sc_resources.irq, INTR_TYPE_NET,
 253                       (void(*)(void*))iavc_isa_intr,
 254                       sc, &ih))
 255         {
 256                 printf("iavc%d: irq setup failed\n", unit);
 257                 bus_release_resource(dev, SYS_RES_IOPORT,
 258                                 sc->sc_resources.io_rid[0],
 259                                 sc->sc_resources.io_base[0]);
 260                 bus_release_resource(dev, SYS_RES_IRQ,
 261                                 sc->sc_resources.irq_rid,
 262                                 sc->sc_resources.irq);
 263                 return(ENXIO);
 264         }
 265
 266         /* the board is now ready to be loaded */
 267
 268         return(0);
 269 }
 270
 271 /*---------------------------------------------------------------------------*
 272  *      setup interrupt
 273  *---------------------------------------------------------------------------*/
 274 void
 275 b1isa_setup_irq(struct iavc_softc *sc)
 276 {
 277         int irq = rman_get_start(sc->sc_resources.irq);
 278
 279         if(bootverbose)
 280                 printf("iavc%d: using irq %d\n", sc->sc_unit, irq);
 281
 282         /* enable the interrupt */
 283
 284         b1io_outp(sc, B1_INSTAT, 0x00);
 285         b1io_outp(sc, B1_RESET, b1_irq_table[irq]);
 286         b1io_outp(sc, B1_INSTAT, 0x02);
 287 }
 288
 289 /*---------------------------------------------------------------------------*
 290  *      IRQ handler
 291  *---------------------------------------------------------------------------*/
 292 static void
 293 iavc_isa_intr(struct iavc_softc *sc)
 294 {
 295         iavc_handle_intr(sc);
 296 }
 297
 298 #endif