sys/net/i4b/layer1/isic/i4b_ctx_s0P.c

   1 /*
   2  * Copyright (c) 1997, 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  *---------------------------------------------------------------------------
  26  *
  27  *      isic - I4B Siemens ISDN Chipset Driver for Creatix/Teles PnP
  28  *      ============================================================
  29  *
  30  * $FreeBSD: src/sys/i4b/layer1/isic/i4b_ctx_s0P.c,v 1.5.2.2 2001/12/10 12:18:11 hm Exp $
  31  * $DragonFly: src/sys/net/i4b/layer1/isic/i4b_ctx_s0P.c,v 1.2 2003/06/17 04:28:40 dillon Exp $
  32  *
  33  *      last edit-date: [Wed Jan 24 09:07:22 2001]
  34  *
  35  *      Note: this driver works for the Creatix ISDN S0-16 P+P and
  36  *            for the Teles S0/16.3 PnP card. Although they are not
  37  *            the same hardware and don't share the same PnP config
  38  *            information, once the base addresses are set, the
  39  *            offsets are same and therefore they can use the same
  40  *            driver.
  41  *
  42  *---------------------------------------------------------------------------*/
  43
  44 #include "isic.h"
  45 #include "opt_i4b.h"
  46
  47 #if (NISIC > 0) && (defined(CRTX_S0_P) || defined(TEL_S0_16_3_P) || defined(COMPAQ_M610))
  48
  49 #include <sys/param.h>
  50 #include <sys/systm.h>
  51 #include <sys/socket.h>
  52 #include <net/if.h>
  53
  54 #include <machine/i4b_ioctl.h>
  55 #include <machine/i4b_trace.h>
  56
  57 #include <i4b/layer1/i4b_l1.h>
  58 #include <i4b/layer1/isic/i4b_isic.h>
  59 #include <i4b/layer1/isic/i4b_hscx.h>
  60
  61 /*---------------------------------------------------------------------------*
  62  *      Creatix / Teles PnP ISAC get fifo routine
  63  *---------------------------------------------------------------------------*/
  64 static void
  65 ctxs0P_read_fifo(struct l1_softc *sc, int what, void *buf, size_t size)
  66 {
  67         bus_space_tag_t    t = rman_get_bustag(sc->sc_resources.io_base[what+2]);
  68         bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+2]);
  69         bus_space_read_multi_1(t,h,0x3e,buf,size);
  70 }
  71
  72 /*---------------------------------------------------------------------------*
  73  *      Creatix / Teles PnP ISAC put fifo routine
  74  *---------------------------------------------------------------------------*/
  75 static void
  76 ctxs0P_write_fifo(struct l1_softc *sc, int what, void *buf, size_t size)
  77 {
  78         bus_space_tag_t    t = rman_get_bustag(sc->sc_resources.io_base[what+2]);
  79         bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+2]);
  80         bus_space_write_multi_1(t,h,0x3e,buf,size);
  81 }
  82
  83 /*---------------------------------------------------------------------------*
  84  *      Creatix / Teles PnP ISAC put register routine
  85  *---------------------------------------------------------------------------*/
  86 static void
  87 ctxs0P_write_reg(struct l1_softc *sc, int what, bus_size_t offs, u_int8_t data)
  88 {
  89         bus_space_tag_t    t = rman_get_bustag(sc->sc_resources.io_base[what+2]);
  90         bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+2]);
  91         bus_space_write_1(t,h,offs,data);
  92 }
  93
  94 /*---------------------------------------------------------------------------*
  95  *      Creatix / Teles PnP ISAC get register routine
  96  *---------------------------------------------------------------------------*/
  97 static u_int8_t
  98 ctxs0P_read_reg(struct l1_softc *sc, int what, bus_size_t offs)
  99 {
 100         bus_space_tag_t    t = rman_get_bustag(sc->sc_resources.io_base[what+2]);
 101         bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+2]);
 102         return bus_space_read_1(t,h,offs);
 103 }
 104
 105 /*---------------------------------------------------------------------------*
 106  *      isic_attach_Cs0P - attach Creatix / Teles PnP
 107  *---------------------------------------------------------------------------*/
 108 int
 109 isic_attach_Cs0P(device_t dev)
 110 {
 111         u_int32_t iobase1;
 112         u_int32_t iobase2;
 113         u_int32_t iocfg;
 114         int unit = device_get_unit(dev);
 115         struct l1_softc *sc = &l1_sc[unit];
 116         bus_space_tag_t t;
 117         bus_space_handle_t h;
 118
 119         /*
 120          * this card needs a second io_base,
 121          * free resources if we don't get it
 122          */
 123
 124         sc->sc_resources.io_rid[1] = 1;
 125
 126         if(!(sc->sc_resources.io_base[1] =
 127                         bus_alloc_resource(dev, SYS_RES_IOPORT,
 128                                         &sc->sc_resources.io_rid[1],
 129                                         0UL, ~0UL, 1, RF_ACTIVE)))
 130         {
 131                 printf("isic%d: Could not get io area 1 for Creatix / Teles PnP!\n", unit);
 132                 isic_detach_common(dev);
 133                 return ENXIO;
 134         }
 135
 136         /*
 137          * Compaq M610 has a cfg io area,
 138          * we need it
 139          */
 140
 141         if (sc->sc_cardtyp == CARD_TYPEP_COMPAQ_M610)
 142         {
 143                 sc->sc_resources.io_rid[2] = 2;
 144
 145                 if(!(sc->sc_resources.io_base[2] =
 146                                 bus_alloc_resource(dev, SYS_RES_IOPORT,
 147                                                 &sc->sc_resources.io_rid[2],
 148                                                 0UL, ~0UL, 1, RF_ACTIVE)))
 149                 {
 150                         printf("isic%d: Could not get cfg io area for Compaq Microcom 610\n", unit);
 151                         isic_detach_common(dev);
 152                         return ENXIO;
 153                 }
 154
 155                 iocfg = rman_get_start(sc->sc_resources.io_base[2]);
 156
 157                 bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_resources.io_rid[2],
 158                                 sc->sc_resources.io_base[2]);
 159         }
 160
 161         /* remember the io base addresses */
 162
 163         if (sc->sc_cardtyp != CARD_TYPEP_COMPAQ_M610)
 164         {
 165                 iobase1 = rman_get_start(sc->sc_resources.io_base[0]);
 166                 iobase2 = rman_get_start(sc->sc_resources.io_base[1]);
 167         }
 168         else
 169         {
 170                 iobase1 = rman_get_start(sc->sc_resources.io_base[1]);
 171                 iobase2 = rman_get_start(sc->sc_resources.io_base[0]);
 172         }
 173
 174         /*
 175          * because overlapping resources are invalid,
 176          * release the first and second io port resource
 177          */
 178
 179         bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_resources.io_rid[0],
 180                         sc->sc_resources.io_base[0]);
 181
 182         bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_resources.io_rid[1],
 183                         sc->sc_resources.io_base[1]);
 184
 185         /* set and allocate a base io address for the ISAC chip */
 186
 187         sc->sc_resources.io_rid[2] = 2;
 188
 189         bus_set_resource(dev, SYS_RES_IOPORT, 2, iobase1-0x20, 0x40);
 190
 191         if(!(sc->sc_resources.io_base[2] =
 192                 bus_alloc_resource(dev, SYS_RES_IOPORT,
 193                                    &sc->sc_resources.io_rid[2],
 194                                    0ul, ~0ul, 1, RF_ACTIVE)))
 195         {
 196                 printf("isic%d: Could not get io area 2 for Creatix / Teles PnP!\n", unit);
 197                 isic_detach_common(dev);
 198                 return ENXIO;
 199         }
 200
 201
 202         /* set and allocate a resource for the HSCX channel A */
 203
 204         sc->sc_resources.io_rid[3] = 3;
 205
 206 /*XXX*/ /* FIXME !!!!
 207          * the width of the resource is too small, there are accesses
 208          * to it with an offset of 0x3e into the next resource. anyway,
 209          * it seems to work and i have no idea how to do 2 resources
 210          * overlapping each other.
 211          */
 212
 213 #if 0
 214         bus_set_resource(dev, SYS_RES_IOPORT, 3, iobase2-0x20, 0x20);
 215 #else
 216         bus_set_resource(dev, SYS_RES_IOPORT, 3, iobase2-0x20, 0x10);
 217 #endif
 218
 219         if(!(sc->sc_resources.io_base[3] =
 220                 bus_alloc_resource(dev,SYS_RES_IOPORT,
 221                                    &sc->sc_resources.io_rid[3],
 222                                    0ul,~0ul, 1, RF_ACTIVE)))
 223         {
 224                 printf("isic%d: Could not get io area 3 for Creatix / Teles PnP!\n", unit);
 225                 isic_detach_common(dev);
 226                 return ENXIO;
 227         }
 228
 229         /* set and allocate a resources for the HSCX channel B */
 230
 231         sc->sc_resources.io_rid[4] = 4;
 232
 233         bus_set_resource(dev, SYS_RES_IOPORT, 4, iobase2, 0x40);
 234
 235         if(!(sc->sc_resources.io_base[4] =
 236                 bus_alloc_resource(dev,SYS_RES_IOPORT,
 237                                    &sc->sc_resources.io_rid[4],
 238                                    0ul, ~0ul, 1, RF_ACTIVE)))
 239         {
 240                 printf("isic%d: Could not get io area 4 for Creatix / Teles PnP!\n", unit);
 241                 isic_detach_common(dev);
 242                 return ENXIO;
 243         }
 244
 245         /*
 246          * set and allocate a resource for the cfg io
 247          * for compaq m610
 248          */
 249
 250         if (sc->sc_cardtyp == CARD_TYPEP_COMPAQ_M610)
 251         {
 252                 sc->sc_resources.io_rid[5] = 5;
 253
 254                 bus_set_resource(dev, SYS_RES_IOPORT, 5, iocfg, 0x01);
 255
 256                 if(!(sc->sc_resources.io_base[5] =
 257                         bus_alloc_resource(dev,SYS_RES_IOPORT,
 258                                            &sc->sc_resources.io_rid[5],
 259                                            0ul, ~0ul, 1, RF_ACTIVE)))
 260                 {
 261                         printf("isic%d: Could not get cfg io area for Compaq Microcom 610!\n", unit);
 262                         isic_detach_common(dev);
 263                         return ENXIO;
 264                 }
 265         }
 266
 267         /* setup access routines */
 268
 269         sc->clearirq = NULL;
 270         sc->readreg = ctxs0P_read_reg;
 271         sc->writereg = ctxs0P_write_reg;
 272
 273         sc->readfifo = ctxs0P_read_fifo;
 274         sc->writefifo = ctxs0P_write_fifo;
 275
 276         /* setup card type */
 277
 278         if (sc->sc_cardtyp != CARD_TYPEP_COMPAQ_M610)
 279                 sc->sc_cardtyp = CARD_TYPEP_CS0P;
 280
 281         /* setup IOM bus type */
 282
 283         sc->sc_bustyp = BUS_TYPE_IOM2;
 284
 285         sc->sc_ipac = 0;
 286         sc->sc_bfifolen = HSCX_FIFO_LEN;
 287
 288         /* enable the card */
 289
 290         if (sc->sc_cardtyp != CARD_TYPEP_COMPAQ_M610)
 291         {
 292                 t = rman_get_bustag(sc->sc_resources.io_base[2]);
 293                 h = rman_get_bushandle(sc->sc_resources.io_base[2]);
 294
 295                 bus_space_write_1(t, h, 0x3c, 0);
 296                 DELAY(SEC_DELAY / 10);
 297
 298                 bus_space_write_1(t, h, 0x3c, 1);
 299                 DELAY(SEC_DELAY / 10);
 300         }
 301         else
 302         {
 303                 t = rman_get_bustag(sc->sc_resources.io_base[5]);
 304                 h = rman_get_bushandle(sc->sc_resources.io_base[5]);
 305
 306                 bus_space_write_1(t, h, 0xff, 0);
 307                 DELAY(SEC_DELAY / 10);
 308
 309                 bus_space_write_1(t, h, 0x00, 1);
 310                 DELAY(SEC_DELAY / 10);
 311         }
 312
 313         return 0;
 314 }
 315
 316 #endif /* (NISIC > 0) && (defined(CRTX_S0_P) || defined(TEL_S0_16_3_P) || defined(COMPAQ_M610)) */
 317