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 1.3 2003/08/07 21:17:24 dillon Exp $
  27  */
  28
  29 #include "use_iavc.h"
  30 #include "use_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 <bus/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 "../../include/i4b_global.h"
  56 #include "../../include/i4b_l3l4.h"
  57 #include "../../include/i4b_mbuf.h"
  58 #include "../capi.h"
  59
  60 #include "iavc.h"
  61
  62 /* ISA driver linkage */
  63
  64 static void iavc_isa_intr(iavc_softc_t *sc);
  65 static int iavc_isa_probe(device_t dev);
  66 static int iavc_isa_attach(device_t dev);
  67
  68 static device_method_t iavc_isa_methods[] =
  69 {
  70     DEVMETHOD(device_probe,     iavc_isa_probe),
  71     DEVMETHOD(device_attach,    iavc_isa_attach),
  72     { 0, 0 }
  73 };
  74
  75 static driver_t iavc_isa_driver =
  76 {
  77     "iavc",
  78     iavc_isa_methods,
  79     0
  80 };
  81
  82 static devclass_t iavc_isa_devclass;
  83
  84 DRIVER_MODULE(iavc, isa, iavc_isa_driver, iavc_isa_devclass, 0, 0);
  85
  86 #define B1_IOLENGTH     0x20
  87
  88 static int b1_irq_table[] =
  89 {0, 0, 0, 192, 32, 160, 96, 224, 0, 64, 80, 208, 48, 0, 0, 112};
  90 /*        3    4   5    6   7       9   10  11   12        15 */
  91
  92 /*---------------------------------------------------------------------------*
  93  *      device probe
  94  *---------------------------------------------------------------------------*/
  95
  96 static int
  97 iavc_isa_probe(device_t dev)
  98 {
  99         struct iavc_softc *sc;
 100         int ret = ENXIO;
 101         int unit = device_get_unit(dev);
 102
 103         if(isa_get_vendorid(dev))       /* no PnP probes here */
 104                 return ENXIO;
 105
 106         /* check max unit range */
 107
 108         if (unit >= IAVC_MAXUNIT)
 109         {
 110                 printf("iavc%d: too many units\n", unit);
 111                 return(ENXIO);
 112         }
 113
 114         sc = iavc_find_sc(unit);        /* get softc */
 115
 116         sc->sc_unit = unit;
 117
 118         if (!(sc->sc_resources.io_base[0] =
 119                 bus_alloc_resource(dev, SYS_RES_IOPORT,
 120                         &sc->sc_resources.io_rid[0],
 121                         0UL, ~0UL, B1_IOLENGTH, RF_ACTIVE)))
 122         {
 123                 printf("iavc%d: can't allocate io region\n", unit);
 124                 return(ENXIO);
 125         }
 126
 127         sc->sc_iobase = rman_get_start(sc->sc_resources.io_base[0]);
 128
 129         switch(sc->sc_iobase)
 130         {
 131                 case 0x150:
 132                 case 0x250:
 133                 case 0x300:
 134                 case 0x340:
 135                         break;
 136                 default:
 137                         printf("iavc%d: ERROR, invalid i/o base addr 0x%x configured!\n", sc->sc_unit, sc->sc_iobase);
 138                         bus_release_resource(dev, SYS_RES_IOPORT,
 139                                         sc->sc_resources.io_rid[0],
 140                                         sc->sc_resources.io_base[0]);
 141                 return(ENXIO);
 142         }
 143
 144         sc->sc_io_bt = rman_get_bustag(sc->sc_resources.io_base[0]);
 145         sc->sc_io_bh = rman_get_bushandle(sc->sc_resources.io_base[0]);
 146
 147         /* setup characteristics */
 148
 149         sc->sc_t1 = FALSE;
 150         sc->sc_dma = FALSE;
 151
 152         sc->sc_capi.card_type = CARD_TYPEC_AVM_B1_ISA;
 153         sc->sc_capi.sc_nbch = 2;
 154
 155         b1_reset(sc);
 156         DELAY(100);
 157
 158         ret = b1_detect(sc);
 159
 160         if(ret)
 161         {
 162                 printf("iavc%d: no card ? b1_detect returns 0x02x\n", sc->sc_unit, ret);
 163                 return(ENXIO);
 164         }
 165
 166         DELAY(100);
 167
 168         b1_reset(sc);
 169
 170         DELAY(100);
 171
 172         if(bootverbose)
 173         {
 174                 printf("iavc%d: class = 0x%02x, rev = 0x%02x\n", sc->sc_unit,
 175                         iavc_read_port(sc, B1_ANALYSE),
 176                         iavc_read_port(sc, B1_REVISION));
 177         }
 178
 179         device_set_desc(dev, "AVM B1 ISA");
 180         return(0);
 181 }
 182
 183 /*---------------------------------------------------------------------------*
 184  *      attach
 185  *---------------------------------------------------------------------------*/
 186 static int
 187 iavc_isa_attach(device_t dev)
 188 {
 189         struct iavc_softc *sc;
 190         void *ih = 0;
 191         int unit = device_get_unit(dev);
 192         int irq;
 193
 194         sc = iavc_find_sc(unit);        /* get softc */
 195
 196         sc->sc_resources.irq_rid = 0;
 197
 198         if(!(sc->sc_resources.irq =
 199                 bus_alloc_resource(dev, SYS_RES_IRQ,
 200                         &sc->sc_resources.irq_rid,
 201                         0UL, ~0UL, 1, RF_ACTIVE)))
 202         {
 203                 printf("iavc%d: can't allocate irq\n",unit);
 204                 bus_release_resource(dev, SYS_RES_IOPORT,
 205                                 sc->sc_resources.io_rid[0],
 206                                 sc->sc_resources.io_base[0]);
 207                 return(ENXIO);
 208         }
 209
 210         irq = rman_get_start(sc->sc_resources.irq);
 211
 212         if(b1_irq_table[irq] == 0)
 213         {
 214                 printf("iavc%d: ERROR, illegal irq %d configured!\n",unit, irq);
 215                 bus_release_resource(dev, SYS_RES_IOPORT,
 216                                 sc->sc_resources.io_rid[0],
 217                                 sc->sc_resources.io_base[0]);
 218                 bus_release_resource(dev, SYS_RES_IRQ,
 219                                 sc->sc_resources.irq_rid,
 220                                 sc->sc_resources.irq);
 221                 return(ENXIO);
 222         }
 223
 224         memset(&sc->sc_txq, 0, sizeof(struct ifqueue));
 225         sc->sc_txq.ifq_maxlen = sc->sc_capi.sc_nbch * 4;
 226
 227 #if defined (__FreeBSD__) && __FreeBSD__ > 4
 228         mtx_init(&sc->sc_txq.ifq_mtx, "i4b_ivac_isa", MTX_DEF);
 229 #endif
 230
 231         sc->sc_intr = FALSE;
 232         sc->sc_state = IAVC_DOWN;
 233         sc->sc_blocked = FALSE;
 234
 235         /* setup capi link */
 236
 237         sc->sc_capi.load = iavc_load;
 238         sc->sc_capi.reg_appl = iavc_register;
 239         sc->sc_capi.rel_appl = iavc_release;
 240         sc->sc_capi.send = iavc_send;
 241         sc->sc_capi.ctx = (void*) sc;
 242
 243         if (capi_ll_attach(&sc->sc_capi))
 244         {
 245                 printf("iavc%d: capi attach failed\n", unit);
 246                 return(ENXIO);
 247         }
 248
 249         /* setup the interrupt */
 250
 251         if(bus_setup_intr(dev, sc->sc_resources.irq, INTR_TYPE_NET,
 252                       (void(*)(void*))iavc_isa_intr,
 253                       sc, &ih))
 254         {
 255                 printf("iavc%d: irq setup failed\n", unit);
 256                 bus_release_resource(dev, SYS_RES_IOPORT,
 257                                 sc->sc_resources.io_rid[0],
 258                                 sc->sc_resources.io_base[0]);
 259                 bus_release_resource(dev, SYS_RES_IRQ,
 260                                 sc->sc_resources.irq_rid,
 261                                 sc->sc_resources.irq);
 262                 return(ENXIO);
 263         }
 264
 265         /* the board is now ready to be loaded */
 266
 267         return(0);
 268 }
 269
 270 /*---------------------------------------------------------------------------*
 271  *      setup interrupt
 272  *---------------------------------------------------------------------------*/
 273 void
 274 b1isa_setup_irq(struct iavc_softc *sc)
 275 {
 276         int irq = rman_get_start(sc->sc_resources.irq);
 277
 278         if(bootverbose)
 279                 printf("iavc%d: using irq %d\n", sc->sc_unit, irq);
 280
 281         /* enable the interrupt */
 282
 283         b1io_outp(sc, B1_INSTAT, 0x00);
 284         b1io_outp(sc, B1_RESET, b1_irq_table[irq]);
 285         b1io_outp(sc, B1_INSTAT, 0x02);
 286 }
 287
 288 /*---------------------------------------------------------------------------*
 289  *      IRQ handler
 290  *---------------------------------------------------------------------------*/
 291 static void
 292 iavc_isa_intr(struct iavc_softc *sc)
 293 {
 294         iavc_handle_intr(sc);
 295 }
 296
 297 #endif