sys/net/i4b/layer1/isic/i4b_tel_s0163.c

   1 /*
   2  *   Copyright (c) 1996 Arne Helme. All rights reserved.
   3  *
   4  *   Copyright (c) 1996 Gary Jennejohn. All rights reserved.
   5  *
   6  *   Copyright (c) 1997, 2001 Hellmuth Michaelis. All rights reserved.
   7  *
   8  *   Redistribution and use in source and binary forms, with or without
   9  *   modification, are permitted provided that the following conditions
  10  *   are met:
  11  *
  12  *   1. Redistributions of source code must retain the above copyright
  13  *      notice, this list of conditions and the following disclaimer.
  14  *   2. Redistributions in binary form must reproduce the above copyright
  15  *      notice, this list of conditions and the following disclaimer in the
  16  *      documentation and/or other materials provided with the distribution.
  17  *   3. Neither the name of the author nor the names of any co-contributors
  18  *      may be used to endorse or promote products derived from this software
  19  *      without specific prior written permission.
  20  *   4. Altered versions must be plainly marked as such, and must not be
  21  *      misrepresented as being the original software and/or documentation.
  22  *
  23  *   THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  24  *   ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  *   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  *   ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  27  *   FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  *   OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  *   HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  *   LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  *   OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  *   SUCH DAMAGE.
  34  *
  35  *---------------------------------------------------------------------------
  36  *
  37  *      isic - I4B Siemens ISDN Chipset Driver for Teles S0/16.3
  38  *      ========================================================
  39  *
  40  * $FreeBSD: src/sys/i4b/layer1/isic/i4b_tel_s0163.c,v 1.5.2.1 2001/08/10 14:08:38 obrien Exp $
  41  *
  42  *      last edit-date: [Wed Jan 24 09:27:40 2001]
  43  *
  44  *---------------------------------------------------------------------------*/
  45
  46 #include "use_isic.h"
  47 #include "opt_i4b.h"
  48
  49 #if NISIC > 0 && defined(TEL_S0_16_3)
  50
  51 #include <sys/param.h>
  52 #include <sys/systm.h>
  53 #include <sys/socket.h>
  54 #include <net/if.h>
  55
  56 #include <net/i4b/include/machine/i4b_ioctl.h>
  57 #include <net/i4b/include/machine/i4b_trace.h>
  58
  59 #include "../i4b_l1.h"
  60 #include "i4b_isic.h"
  61 #include "i4b_hscx.h"
  62
  63 static u_char intr_no[] = { 1, 1, 0, 2, 4, 6, 1, 1, 1, 0, 8, 10, 12, 1, 1, 14 };
  64
  65 #define ISAC_OFFS       0x400
  66 #define HSCXA_OFFS      0xc00
  67 #define HSCXB_OFFS      0x800
  68
  69 /*---------------------------------------------------------------------------*
  70  *      Teles S0/16.3 read fifo routine
  71  *---------------------------------------------------------------------------*/
  72 static void
  73 tels0163_read_fifo(struct l1_softc *sc, int what, void *buf, size_t size)
  74 {
  75         bus_space_tag_t    t = rman_get_bustag(sc->sc_resources.io_base[what+1]);
  76         bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+1]);
  77         bus_space_read_multi_1(t,h,0x1e,buf,size);
  78 }
  79
  80 /*---------------------------------------------------------------------------*
  81  *      Teles S0/16.3 write fifo routine
  82  *---------------------------------------------------------------------------*/
  83 static void
  84 tels0163_write_fifo(struct l1_softc *sc, int what, void *buf, size_t size)
  85 {
  86         bus_space_tag_t    t = rman_get_bustag(sc->sc_resources.io_base[what+1]);
  87         bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+1]);
  88         bus_space_write_multi_1(t,h,0x1e,buf,size);
  89 }
  90
  91 /*---------------------------------------------------------------------------*
  92  *      Teles S0/16.3 ISAC put register routine
  93  *---------------------------------------------------------------------------*/
  94 static void
  95 tels0163_write_reg(struct l1_softc *sc, int what, bus_size_t offs, u_int8_t data)
  96 {
  97         bus_space_tag_t    t = rman_get_bustag(sc->sc_resources.io_base[what+1]);
  98         bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+1]);
  99         bus_space_write_1(t,h,offs - 0x20,data);
 100 }
 101
 102 /*---------------------------------------------------------------------------*
 103  *      Teles S0/16.3 ISAC get register routine
 104  *---------------------------------------------------------------------------*/
 105 static u_int8_t
 106 tels0163_read_reg(struct l1_softc *sc, int what, bus_size_t offs)
 107 {
 108         bus_space_tag_t    t = rman_get_bustag(sc->sc_resources.io_base[what+1]);
 109         bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[what+1]);
 110         return bus_space_read_1(t,h,offs - 0x20);
 111 }
 112
 113 /*---------------------------------------------------------------------------*
 114  *      isic_probe_s0163 - probe routine for Teles S0/16.3
 115  *---------------------------------------------------------------------------*/
 116 int
 117 isic_probe_s0163(device_t dev)
 118 {
 119         size_t unit = device_get_unit(dev);     /* get unit */
 120         struct l1_softc *sc = NULL;     /* pointer to softc */
 121         void *ih = NULL;                        /* dummy */
 122         bus_space_tag_t    t;           /* bus things */
 123         bus_space_handle_t h;
 124         u_int8_t b0,b1,b2;              /* signature */
 125
 126         /* check max unit range */
 127
 128         if(unit >= ISIC_MAXUNIT)
 129         {
 130                 kprintf("isic%d: Error, unit %d >= ISIC_MAXUNIT for Teles 16.3!\n",
 131                                 unit, unit);
 132                 return(ENXIO);
 133         }
 134
 135         sc = &l1_sc[unit];                      /* get pointer to softc */
 136         sc->sc_unit = unit;                     /* set unit */
 137
 138         /* see if an io base was supplied */
 139
 140         if(!(sc->sc_resources.io_base[0] =
 141                         bus_alloc_resource(dev, SYS_RES_IOPORT,
 142                                            &sc->sc_resources.io_rid[0],
 143                                            0ul, ~0ul, 1, RF_ACTIVE)))
 144         {
 145                 kprintf("isic%d: Could not get iobase for Teles S0/16.3.\n",
 146                                 unit);
 147                 return(ENXIO);
 148         }
 149
 150         /* set io base */
 151
 152         sc->sc_port = rman_get_start(sc->sc_resources.io_base[0]);
 153         /* Release the resource -  re-allocate later with correct size  */
 154         bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_resources.io_rid[0],
 155                         sc->sc_resources.io_base[0]);
 156
 157         switch(sc->sc_port)
 158         {
 159                 case 0xd80:
 160                 case 0xe80:
 161                 case 0xf80:
 162                         break;
 163
 164                 case 0x180:
 165                 case 0x280:
 166                 case 0x380:
 167                         kprintf("isic%d: Error, instead of using iobase 0x%x for your Teles S0/16.3,\n",
 168                                 unit, sc->sc_port);
 169                         kprintf("isic%d:        please use 0x%x in the kernel configuration file!\n",
 170                                 unit, sc->sc_port+0xc00);
 171                         isic_detach_common(dev);
 172                         return(ENXIO);
 173                         break;
 174
 175                 default:
 176                         kprintf("isic%d: Error, invalid iobase 0x%x specified for Teles S0/16.3!\n",
 177                                 unit, sc->sc_port);
 178                         isic_detach_common(dev);
 179                         return(ENXIO);
 180                         break;
 181         }
 182
 183         /* set io port resources */
 184
 185         sc->sc_resources.io_rid[0] = 0;
 186         bus_set_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port, 0x20, -1);
 187         sc->sc_resources.io_base[0] =
 188                 bus_alloc_resource(dev, SYS_RES_IOPORT,
 189                                    &sc->sc_resources.io_rid[0],
 190                                    0ul, ~0ul, 1, RF_ACTIVE);
 191         if(!sc->sc_resources.io_base[0])
 192         {
 193                 kprintf("isic%d: Error allocating io at 0x%x for Teles S0/16.3!\n",
 194                         unit, sc->sc_port);
 195                 isic_detach_common(dev);
 196                 return ENXIO;
 197         }
 198         sc->sc_resources.io_rid[1] = 1;
 199         bus_set_resource(dev, SYS_RES_IOPORT, 1,
 200                 sc->sc_port-ISAC_OFFS, 0x20, -1);
 201         sc->sc_resources.io_base[1] =
 202                 bus_alloc_resource(dev, SYS_RES_IOPORT,
 203                                    &sc->sc_resources.io_rid[1],
 204                                    0ul, ~0ul, 1, RF_ACTIVE);
 205         if(!sc->sc_resources.io_base[1])
 206         {
 207                 kprintf("isic%d: Error allocating io at 0x%x for Teles S0/16.3!\n",
 208                         unit, sc->sc_port-ISAC_OFFS);
 209                 isic_detach_common(dev);
 210                 return ENXIO;
 211         }
 212
 213         sc->sc_resources.io_rid[2] = 2;
 214         bus_set_resource(dev, SYS_RES_IOPORT, 2,
 215                 sc->sc_port-HSCXA_OFFS, 0x20, -1);
 216         sc->sc_resources.io_base[2] =
 217                 bus_alloc_resource(dev, SYS_RES_IOPORT,
 218                                    &sc->sc_resources.io_rid[2],
 219                                    0ul, ~0ul, 1, RF_ACTIVE);
 220         if(!sc->sc_resources.io_base[2])
 221         {
 222                 kprintf("isic%d: Error allocating io at 0x%x for Teles S0/16.3!\n",
 223                         unit, sc->sc_port-HSCXA_OFFS);
 224                 isic_detach_common(dev);
 225                 return ENXIO;
 226         }
 227
 228         sc->sc_resources.io_rid[3] = 3;
 229         bus_set_resource(dev, SYS_RES_IOPORT, 3,
 230                 sc->sc_port-HSCXB_OFFS, 0x20, -1);
 231         sc->sc_resources.io_base[3] =
 232                 bus_alloc_resource(dev, SYS_RES_IOPORT,
 233                                    &sc->sc_resources.io_rid[3],
 234                                    0ul, ~0ul, 1, RF_ACTIVE);
 235         if(!sc->sc_resources.io_base[3])
 236         {
 237                 kprintf("isic%d: Error allocating io at 0x%x for Teles S0/16.3!\n",
 238                         unit, sc->sc_port-HSCXB_OFFS);
 239                 isic_detach_common(dev);
 240                 return ENXIO;
 241         }
 242
 243         /* setup access routines */
 244
 245         sc->clearirq = NULL;
 246         sc->readreg = tels0163_read_reg;
 247         sc->writereg = tels0163_write_reg;
 248
 249         sc->readfifo = tels0163_read_fifo;
 250         sc->writefifo = tels0163_write_fifo;
 251
 252         /* setup card type */
 253
 254         sc->sc_cardtyp= CARD_TYPEP_16_3;
 255
 256         /* setup IOM bus type */
 257
 258         sc->sc_bustyp = BUS_TYPE_IOM2;
 259
 260         sc->sc_ipac = 0;
 261         sc->sc_bfifolen = HSCX_FIFO_LEN;
 262
 263         t = rman_get_bustag(sc->sc_resources.io_base[0]);
 264         h = rman_get_bushandle(sc->sc_resources.io_base[0]);
 265
 266         b0 = bus_space_read_1(t, h, 0);
 267         b1 = bus_space_read_1(t, h, 1);
 268         b2 = bus_space_read_1(t, h, 2);
 269
 270         if ( b0 != 0x51 && b0 != 0x10 ) {
 271                 kprintf("isic%d: Error, signature 1 0x%x != 0x51 or 0x10 for Teles S0/16.3!\n",
 272                         unit, b0);
 273                 isic_detach_common(dev);
 274                 return ENXIO;
 275         }
 276
 277         if ( b1 != 0x93 ) {
 278                 kprintf("isic%d: Error, signature 2 0x%x != 0x93 for Teles S0/16.3!\n",
 279                         unit, b1);
 280                 isic_detach_common(dev);
 281                 return ENXIO;
 282         }
 283         if (( b2 != 0x1c ) && ( b2 != 0x1f )) {
 284                 kprintf("isic%d: Error, signature 3 0x%x != (0x1c || 0x1f) for Teles S0/16.3!\n",
 285                         unit, b2);
 286                 isic_detach_common(dev);
 287                 return ENXIO;
 288         }
 289
 290         /*
 291          * Read HSCX A/B VSTR.  Expected value for the S0/16.3 card is
 292          * 0x05 or 0x04 (for older 16.3's) in the least significant bits.
 293          */
 294
 295         if( (((HSCX_READ(0, H_VSTR) & 0xf) != 0x5) &&
 296              ((HSCX_READ(0, H_VSTR) & 0xf) != 0x4))     ||
 297             (((HSCX_READ(1, H_VSTR) & 0xf) != 0x5) &&
 298              ((HSCX_READ(1, H_VSTR) & 0xf) != 0x4)) )
 299         {
 300                 kprintf("isic%d: HSCX VSTR test failed for Teles S0/16.3\n",
 301                         unit);
 302                 kprintf("isic%d: HSC0: VSTR: %#x\n",
 303                         unit, HSCX_READ(0, H_VSTR));
 304                 kprintf("isic%d: HSC1: VSTR: %#x\n",
 305                         unit, HSCX_READ(1, H_VSTR));
 306                 isic_detach_common(dev);
 307                 return (ENXIO);
 308         }
 309
 310         /* get our irq */
 311
 312         if(!(sc->sc_resources.irq =
 313                 bus_alloc_resource(dev, SYS_RES_IRQ,
 314                 &sc->sc_resources.irq_rid,
 315                 0ul, ~0ul, 1, RF_ACTIVE)))
 316         {
 317                 kprintf("isic%d: Could not get IRQ for Teles S0/16.3.\n",unit);
 318                 isic_detach_common(dev);
 319                 return ENXIO;
 320         }
 321
 322         /* get the irq number */
 323         sc->sc_irq = rman_get_start(sc->sc_resources.irq);
 324
 325         switch(sc->sc_irq)
 326         {
 327                 case 2:
 328                 case 9:
 329                 case 5:
 330                 case 10:
 331                 case 12:
 332                 case 15:
 333                         break;
 334
 335                 default:
 336                         kprintf("isic%d: Error, invalid IRQ [%d] specified for Teles S0/16.3!\n",
 337                                 unit, sc->sc_irq);
 338                         isic_detach_common(dev);
 339                         return(ENXIO);
 340                         break;
 341         }
 342
 343         /* register interupt routine */
 344         bus_setup_intr(dev, sc->sc_resources.irq,
 345                        0, (void(*)(void *))(isicintr),
 346                        sc, &ih, NULL);
 347
 348         return (0);
 349 }
 350
 351 /*---------------------------------------------------------------------------*
 352  *      isic_attach_s0163 - attach Teles S0/16.3 and compatibles
 353  *---------------------------------------------------------------------------*/
 354 int
 355 isic_attach_s0163(device_t dev)
 356 {
 357         unsigned int unit = device_get_unit(dev);       /* get unit */
 358         struct l1_softc *sc = &l1_sc[unit];
 359         bus_space_tag_t    t = rman_get_bustag(sc->sc_resources.io_base[0]);
 360         bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]);
 361
 362         /* configure IRQ */
 363
 364         DELAY(SEC_DELAY / 10);
 365         bus_space_write_1(t, h, 4, intr_no[sc->sc_irq]);
 366
 367         DELAY(SEC_DELAY / 10);
 368         bus_space_write_1(t, h, 4, intr_no[sc->sc_irq] | 0x01);
 369
 370         return (0);
 371 }
 372
 373 #endif /* ISIC > 0 */
 374