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