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 1.5 2004/04/16 15:40:21 joerg Exp $
  27  */
  28
  29 #include <sys/param.h>
  30 #include <sys/kernel.h>
  31 #include <sys/systm.h>
  32 #include <sys/mbuf.h>
  33 #include <sys/socket.h>
  34 #include <net/if.h>
  35
  36 #include <machine/clock.h>
  37
  38 #include <machine/bus.h>
  39 #include <machine/resource.h>
  40 #include <sys/bus.h>
  41 #include <sys/rman.h>
  42 #include <vm/vm.h>
  43 #include <vm/pmap.h>
  44 #include <bus/isa/isavar.h>
  45
  46 #include <net/i4b/include/machine/i4b_debug.h>
  47 #include <net/i4b/include/machine/i4b_ioctl.h>
  48 #include <net/i4b/include/machine/i4b_trace.h>
  49
  50 #include "../../include/i4b_global.h"
  51 #include "../../include/i4b_l3l4.h"
  52 #include "../../include/i4b_mbuf.h"
  53 #include "../capi.h"
  54
  55 #include "iavc.h"
  56
  57 /* ISA driver linkage */
  58
  59 static void iavc_isa_intr(iavc_softc_t *sc);
  60 static int iavc_isa_probe(device_t dev);
  61 static int iavc_isa_attach(device_t dev);
  62
  63 static device_method_t iavc_isa_methods[] =
  64 {
  65     DEVMETHOD(device_probe,     iavc_isa_probe),
  66     DEVMETHOD(device_attach,    iavc_isa_attach),
  67     { 0, 0 }
  68 };
  69
  70 static driver_t iavc_isa_driver =
  71 {
  72     "iavc",
  73     iavc_isa_methods,
  74     0
  75 };
  76
  77 static devclass_t iavc_isa_devclass;
  78
  79 DRIVER_MODULE(iavc, isa, iavc_isa_driver, iavc_isa_devclass, 0, 0);
  80
  81 #define B1_IOLENGTH     0x20
  82
  83 static int b1_irq_table[] =
  84 {0, 0, 0, 192, 32, 160, 96, 224, 0, 64, 80, 208, 48, 0, 0, 112};
  85 /*        3    4   5    6   7       9   10  11   12        15 */
  86
  87 /*---------------------------------------------------------------------------*
  88  *      device probe
  89  *---------------------------------------------------------------------------*/
  90
  91 static int
  92 iavc_isa_probe(device_t dev)
  93 {
  94         struct iavc_softc *sc;
  95         int ret = ENXIO;
  96         int unit = device_get_unit(dev);
  97
  98         if(isa_get_vendorid(dev))       /* no PnP probes here */
  99                 return ENXIO;
 100
 101         /* check max unit range */
 102
 103         if (unit >= IAVC_MAXUNIT)
 104         {
 105                 printf("iavc%d: too many units\n", unit);
 106                 return(ENXIO);
 107         }
 108
 109         sc = iavc_find_sc(unit);        /* get softc */
 110
 111         sc->sc_unit = unit;
 112
 113         if (!(sc->sc_resources.io_base[0] =
 114                 bus_alloc_resource(dev, SYS_RES_IOPORT,
 115                         &sc->sc_resources.io_rid[0],
 116                         0UL, ~0UL, B1_IOLENGTH, RF_ACTIVE)))
 117         {
 118                 printf("iavc%d: can't allocate io region\n", unit);
 119                 return(ENXIO);
 120         }
 121
 122         sc->sc_iobase = rman_get_start(sc->sc_resources.io_base[0]);
 123
 124         switch(sc->sc_iobase)
 125         {
 126                 case 0x150:
 127                 case 0x250:
 128                 case 0x300:
 129                 case 0x340:
 130                         break;
 131                 default:
 132                         printf("iavc%d: ERROR, invalid i/o base addr 0x%x configured!\n", sc->sc_unit, sc->sc_iobase);
 133                         bus_release_resource(dev, SYS_RES_IOPORT,
 134                                         sc->sc_resources.io_rid[0],
 135                                         sc->sc_resources.io_base[0]);
 136                 return(ENXIO);
 137         }
 138
 139         sc->sc_io_bt = rman_get_bustag(sc->sc_resources.io_base[0]);
 140         sc->sc_io_bh = rman_get_bushandle(sc->sc_resources.io_base[0]);
 141
 142         /* setup characteristics */
 143
 144         sc->sc_t1 = FALSE;
 145         sc->sc_dma = FALSE;
 146
 147         sc->sc_capi.card_type = CARD_TYPEC_AVM_B1_ISA;
 148         sc->sc_capi.sc_nbch = 2;
 149
 150         b1_reset(sc);
 151         DELAY(100);
 152
 153         ret = b1_detect(sc);
 154
 155         if(ret)
 156         {
 157                 printf("iavc%d: no card ? b1_detect returns %0x02x\n", sc->sc_unit, ret);
 158                 return(ENXIO);
 159         }
 160
 161         DELAY(100);
 162
 163         b1_reset(sc);
 164
 165         DELAY(100);
 166
 167         if(bootverbose)
 168         {
 169                 printf("iavc%d: class = 0x%02x, rev = 0x%02x\n", sc->sc_unit,
 170                         iavc_read_port(sc, B1_ANALYSE),
 171                         iavc_read_port(sc, B1_REVISION));
 172         }
 173
 174         device_set_desc(dev, "AVM B1 ISA");
 175         return(0);
 176 }
 177
 178 /*---------------------------------------------------------------------------*
 179  *      attach
 180  *---------------------------------------------------------------------------*/
 181 static int
 182 iavc_isa_attach(device_t dev)
 183 {
 184         struct iavc_softc *sc;
 185         void *ih = 0;
 186         int unit = device_get_unit(dev);
 187         int irq;
 188
 189         sc = iavc_find_sc(unit);        /* get softc */
 190
 191         sc->sc_resources.irq_rid = 0;
 192
 193         if(!(sc->sc_resources.irq =
 194                 bus_alloc_resource(dev, SYS_RES_IRQ,
 195                         &sc->sc_resources.irq_rid,
 196                         0UL, ~0UL, 1, RF_ACTIVE)))
 197         {
 198                 printf("iavc%d: can't allocate irq\n",unit);
 199                 bus_release_resource(dev, SYS_RES_IOPORT,
 200                                 sc->sc_resources.io_rid[0],
 201                                 sc->sc_resources.io_base[0]);
 202                 return(ENXIO);
 203         }
 204
 205         irq = rman_get_start(sc->sc_resources.irq);
 206
 207         if(b1_irq_table[irq] == 0)
 208         {
 209                 printf("iavc%d: ERROR, illegal irq %d configured!\n",unit, irq);
 210                 bus_release_resource(dev, SYS_RES_IOPORT,
 211                                 sc->sc_resources.io_rid[0],
 212                                 sc->sc_resources.io_base[0]);
 213                 bus_release_resource(dev, SYS_RES_IRQ,
 214                                 sc->sc_resources.irq_rid,
 215                                 sc->sc_resources.irq);
 216                 return(ENXIO);
 217         }
 218
 219         memset(&sc->sc_txq, 0, sizeof(struct ifqueue));
 220         sc->sc_txq.ifq_maxlen = sc->sc_capi.sc_nbch * 4;
 221
 222 #if defined (__FreeBSD__) && __FreeBSD__ > 4
 223         mtx_init(&sc->sc_txq.ifq_mtx, "i4b_ivac_isa", MTX_DEF);
 224 #endif
 225
 226         sc->sc_intr = FALSE;
 227         sc->sc_state = IAVC_DOWN;
 228         sc->sc_blocked = FALSE;
 229
 230         /* setup capi link */
 231
 232         sc->sc_capi.load = iavc_load;
 233         sc->sc_capi.reg_appl = iavc_register;
 234         sc->sc_capi.rel_appl = iavc_release;
 235         sc->sc_capi.send = iavc_send;
 236         sc->sc_capi.ctx = (void*) sc;
 237
 238         if (capi_ll_attach(&sc->sc_capi))
 239         {
 240                 printf("iavc%d: capi attach failed\n", unit);
 241                 return(ENXIO);
 242         }
 243
 244         /* setup the interrupt */
 245
 246         if(bus_setup_intr(dev, sc->sc_resources.irq, INTR_TYPE_NET,
 247                       (void(*)(void*))iavc_isa_intr,
 248                       sc, &ih))
 249         {
 250                 printf("iavc%d: irq setup failed\n", unit);
 251                 bus_release_resource(dev, SYS_RES_IOPORT,
 252                                 sc->sc_resources.io_rid[0],
 253                                 sc->sc_resources.io_base[0]);
 254                 bus_release_resource(dev, SYS_RES_IRQ,
 255                                 sc->sc_resources.irq_rid,
 256                                 sc->sc_resources.irq);
 257                 return(ENXIO);
 258         }
 259
 260         /* the board is now ready to be loaded */
 261
 262         return(0);
 263 }
 264
 265 /*---------------------------------------------------------------------------*
 266  *      setup interrupt
 267  *---------------------------------------------------------------------------*/
 268 void
 269 b1isa_setup_irq(struct iavc_softc *sc)
 270 {
 271         int irq = rman_get_start(sc->sc_resources.irq);
 272
 273         if(bootverbose)
 274                 printf("iavc%d: using irq %d\n", sc->sc_unit, irq);
 275
 276         /* enable the interrupt */
 277
 278         b1io_outp(sc, B1_INSTAT, 0x00);
 279         b1io_outp(sc, B1_RESET, b1_irq_table[irq]);
 280         b1io_outp(sc, B1_INSTAT, 0x02);
 281 }
 282
 283 /*---------------------------------------------------------------------------*
 284  *      IRQ handler
 285  *---------------------------------------------------------------------------*/
 286 static void
 287 iavc_isa_intr(struct iavc_softc *sc)
 288 {
 289         iavc_handle_intr(sc);
 290 }