sys/net/i4b/layer1/isic/i4b_elsa_qs1p.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 ELSA MicroLink ISDN/PCI
  28  *      ==================================================================
  29  *
  30  * $FreeBSD: src/sys/i4b/layer1/isic/i4b_elsa_qs1p.c,v 1.6.2.1 2001/08/10 14:08:38 obrien Exp $
  31  * $DragonFly: src/sys/net/i4b/layer1/isic/i4b_elsa_qs1p.c,v 1.5 2005/05/24 20:59:05 dillon Exp $
  32  *
  33  *      last edit-date: [Wed Jan 24 09:09:28 2001]
  34  *
  35  *      Note: ELSA Quickstep 1000pro PCI = ELSA MicroLink ISDN/PCI
  36  *
  37  *---------------------------------------------------------------------------*/
  38
  39 #include "use_isic.h"
  40 #include "use_pci.h"
  41 #include "opt_i4b.h"
  42
  43 #if (NISIC > 0) && (NPCI > 0) && defined(ELSA_QS1PCI)
  44
  45 #include <sys/param.h>
  46 #include <sys/kernel.h>
  47 #include <sys/systm.h>
  48 #include <sys/socket.h>
  49
  50 #include <net/if.h>
  51
  52 #include <machine/bus.h>
  53 #include <sys/bus.h>
  54 #include <sys/rman.h>
  55
  56 #include <bus/pci/pcireg.h>
  57 #include <bus/pci/pcivar.h>
  58
  59 #include <net/i4b/include/machine/i4b_ioctl.h>
  60
  61 #include "i4b_isic.h"
  62 #include "i4b_ipac.h"
  63
  64 #define MEM0_MAPOFF     0
  65 #define PORT0_MAPOFF    4
  66 #define PORT1_MAPOFF    12
  67
  68 #define ELSA_PORT0_MAPOFF       (PCIR_MAPS+PORT0_MAPOFF)
  69 #define ELSA_PORT1_MAPOFF       (PCIR_MAPS+PORT1_MAPOFF)
  70
  71 #define PCI_QS1000_DID  0x1000
  72 #define PCI_QS1000_VID  0x1048
  73
  74 /* masks for register encoded in base addr */
  75
  76 #define ELSA_BASE_MASK          0x0ffff
  77 #define ELSA_OFF_MASK           0xf0000
  78
  79 /* register id's to be encoded in base addr */
  80
  81 #define ELSA_IDISAC             0x00000
  82 #define ELSA_IDHSCXA            0x10000
  83 #define ELSA_IDHSCXB            0x20000
  84 #define ELSA_IDIPAC             0x40000
  85
  86 /* offsets from base address */
  87
  88 #define ELSA_OFF_ALE            0x00
  89 #define ELSA_OFF_RW             0x01
  90
  91
  92 static int eqs1p_pci_probe(device_t dev);
  93 static int eqs1p_pci_attach(device_t dev);
  94
  95 static device_method_t eqs1p_pci_methods[] = {
  96         /* Device interface */
  97         DEVMETHOD(device_probe,         eqs1p_pci_probe),
  98         DEVMETHOD(device_attach,        eqs1p_pci_attach),
  99         { 0, 0 }
 100 };
 101
 102 static driver_t eqs1p_pci_driver = {
 103         "isic",
 104         eqs1p_pci_methods,
 105         0
 106 };
 107
 108 static devclass_t eqs1p_pci_devclass;
 109
 110 DRIVER_MODULE(eqs1p, pci, eqs1p_pci_driver, eqs1p_pci_devclass, 0, 0);
 111
 112 /*---------------------------------------------------------------------------*
 113  *      ELSA MicroLink ISDN/PCI fifo read routine
 114  *---------------------------------------------------------------------------*/
 115 static void
 116 eqs1pp_read_fifo(struct l1_softc *sc, int what, void *buf, size_t size)
 117 {
 118         bus_space_tag_t    t = rman_get_bustag(sc->sc_resources.io_base[1]);
 119         bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[1]);
 120
 121         switch(what)
 122         {
 123                 case ISIC_WHAT_ISAC:
 124                         bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_ISAC_OFF);
 125                         bus_space_read_multi_1(t, h, ELSA_OFF_RW, buf, size);
 126                         break;
 127                 case ISIC_WHAT_HSCXA:
 128                         bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_HSCXA_OFF);
 129                         bus_space_read_multi_1(t, h, ELSA_OFF_RW, buf, size);
 130                         break;
 131                 case ISIC_WHAT_HSCXB:
 132                         bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_HSCXB_OFF);
 133                         bus_space_read_multi_1(t, h, ELSA_OFF_RW, buf, size);
 134                         break;
 135         }
 136 }
 137
 138 /*---------------------------------------------------------------------------*
 139  *      ELSA MicroLink ISDN/PCI fifo write routine
 140  *---------------------------------------------------------------------------*/
 141 static void
 142 eqs1pp_write_fifo(struct l1_softc *sc, int what, void *buf, size_t size)
 143 {
 144         bus_space_tag_t    t = rman_get_bustag(sc->sc_resources.io_base[1]);
 145         bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[1]);
 146
 147         switch(what)
 148         {
 149                 case ISIC_WHAT_ISAC:
 150                         bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_ISAC_OFF);
 151                         bus_space_write_multi_1(t, h, ELSA_OFF_RW, (u_int8_t*)buf, size);
 152                         break;
 153                 case ISIC_WHAT_HSCXA:
 154                         bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_HSCXA_OFF);
 155                         bus_space_write_multi_1(t, h, ELSA_OFF_RW, (u_int8_t*)buf, size);
 156                         break;
 157                 case ISIC_WHAT_HSCXB:
 158                         bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_HSCXB_OFF);
 159                         bus_space_write_multi_1(t, h, ELSA_OFF_RW, (u_int8_t*)buf, size);
 160                         break;
 161         }
 162 }
 163
 164 /*---------------------------------------------------------------------------*
 165  *      ELSA MicroLink ISDN/PCI register write routine
 166  *---------------------------------------------------------------------------*/
 167 static void
 168 eqs1pp_write_reg(struct l1_softc *sc, int what, bus_size_t offs, u_int8_t data)
 169 {
 170         bus_space_tag_t    t = rman_get_bustag(sc->sc_resources.io_base[1]);
 171         bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[1]);
 172
 173         switch(what)
 174         {
 175                 case ISIC_WHAT_ISAC:
 176                         bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_ISAC_OFF+offs);
 177                         bus_space_write_1(t, h, ELSA_OFF_RW, data);
 178                         break;
 179                 case ISIC_WHAT_HSCXA:
 180                         bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_HSCXA_OFF+offs);
 181                         bus_space_write_1(t, h, ELSA_OFF_RW, data);
 182                         break;
 183                 case ISIC_WHAT_HSCXB:
 184                         bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_HSCXB_OFF+offs);
 185                         bus_space_write_1(t, h, ELSA_OFF_RW, data);
 186                         break;
 187                 case ISIC_WHAT_IPAC:
 188                         bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_IPAC_OFF+offs);
 189                         bus_space_write_1(t, h, ELSA_OFF_RW, data);
 190                         break;
 191         }
 192 }
 193
 194 /*---------------------------------------------------------------------------*
 195  *      ELSA MicroLink ISDN/PCI register read routine
 196  *---------------------------------------------------------------------------*/
 197 static u_int8_t
 198 eqs1pp_read_reg(struct l1_softc *sc, int what, bus_size_t offs)
 199 {
 200         bus_space_tag_t    t = rman_get_bustag(sc->sc_resources.io_base[1]);
 201         bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[1]);
 202
 203         switch(what)
 204         {
 205                 case ISIC_WHAT_ISAC:
 206                         bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_ISAC_OFF+offs);
 207                         return bus_space_read_1(t, h, ELSA_OFF_RW);
 208                 case ISIC_WHAT_HSCXA:
 209                         bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_HSCXA_OFF+offs);
 210                         return bus_space_read_1(t, h, ELSA_OFF_RW);
 211                 case ISIC_WHAT_HSCXB:
 212                         bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_HSCXB_OFF+offs);
 213                         return bus_space_read_1(t, h, ELSA_OFF_RW);
 214                 case ISIC_WHAT_IPAC:
 215                         bus_space_write_1(t, h, ELSA_OFF_ALE, IPAC_IPAC_OFF+offs);
 216                         return bus_space_read_1(t, h, ELSA_OFF_RW);
 217         }
 218         return 0;
 219 }
 220
 221 /*---------------------------------------------------------------------------*
 222  *      avma1pp_probe - probe for a card
 223  *---------------------------------------------------------------------------*/
 224 static int
 225 eqs1p_pci_probe(device_t dev)
 226 {
 227         if((pci_get_vendor(dev) == PCI_QS1000_VID) &&
 228            (pci_get_device(dev) == PCI_QS1000_DID))
 229         {
 230                 device_set_desc(dev, "ELSA MicroLink ISDN/PCI");
 231                 return(0);
 232         }
 233         return(ENXIO);
 234 }
 235
 236 /*---------------------------------------------------------------------------*
 237  *      isic_attach_Eqs1pp - attach for ELSA MicroLink ISDN/PCI
 238  *---------------------------------------------------------------------------*/
 239 static int
 240 eqs1p_pci_attach(device_t dev)
 241 {
 242         bus_space_tag_t t;
 243         bus_space_handle_t h;
 244         struct l1_softc *sc;
 245         void *ih = 0;
 246         int unit = device_get_unit(dev);
 247
 248         /* check max unit range */
 249
 250         if(unit >= ISIC_MAXUNIT)
 251         {
 252                 printf("isic%d: Error, unit %d >= ISIC_MAXUNIT for ELSA MicroLink ISDN/PCI!\n",
 253                                 unit, unit);
 254                 return(ENXIO);
 255         }
 256
 257         sc = &l1_sc[unit];              /* get softc */
 258
 259         sc->sc_unit = unit;
 260
 261         /* get io_base */
 262
 263         sc->sc_resources.io_rid[0] = ELSA_PORT0_MAPOFF;
 264
 265         if(!(sc->sc_resources.io_base[0] =
 266                         bus_alloc_resource(dev, SYS_RES_IOPORT,
 267                                                 &sc->sc_resources.io_rid[0],
 268                                                 0UL, ~0UL, 1, RF_ACTIVE)))
 269         {
 270                 printf("isic%d: Couldn't get first iobase for ELSA MicroLink ISDN/PCI!\n", unit);
 271                 return(ENXIO);
 272         }
 273
 274         sc->sc_resources.io_rid[1] = ELSA_PORT1_MAPOFF;
 275
 276         if(!(sc->sc_resources.io_base[1] =
 277                         bus_alloc_resource(dev, SYS_RES_IOPORT,
 278                                                 &sc->sc_resources.io_rid[1],
 279                                                 0UL, ~0UL, 1, RF_ACTIVE)))
 280         {
 281                 printf("isic%d: Couldn't get second iobase for ELSA MicroLink ISDN/PCI!\n", unit);
 282                 isic_detach_common(dev);
 283                 return(ENXIO);
 284         }
 285
 286         sc->sc_port = rman_get_start(sc->sc_resources.io_base[1]);
 287
 288         if(!(sc->sc_resources.irq =
 289                         bus_alloc_resource(dev, SYS_RES_IRQ,
 290                                            &sc->sc_resources.irq_rid,
 291                                            0UL, ~0UL, 1, RF_ACTIVE | RF_SHAREABLE)))
 292         {
 293                 printf("isic%d: Could not get irq for ELSA MicroLink ISDN/PCI!\n",unit);
 294                 isic_detach_common(dev);
 295                 return(ENXIO);
 296         }
 297
 298         sc->sc_irq = rman_get_start(sc->sc_resources.irq);
 299
 300         /* setup access routines */
 301
 302         sc->clearirq = NULL;
 303         sc->readreg = eqs1pp_read_reg;
 304         sc->writereg = eqs1pp_write_reg;
 305
 306         sc->readfifo = eqs1pp_read_fifo;
 307         sc->writefifo = eqs1pp_write_fifo;
 308
 309         /* setup card type */
 310
 311         sc->sc_cardtyp = CARD_TYPEP_ELSAQS1PCI;
 312
 313         /* setup IOM bus type */
 314
 315         sc->sc_bustyp = BUS_TYPE_IOM2;
 316
 317         /* setup chip type = IPAC ! */
 318
 319         sc->sc_ipac = 1;
 320         sc->sc_bfifolen = IPAC_BFIFO_LEN;
 321
 322         if(isic_attach_common(dev))
 323         {
 324                 isic_detach_common(dev);
 325                 return(ENXIO);
 326         }
 327
 328         if (bus_setup_intr(dev, sc->sc_resources.irq, INTR_TYPE_NET,
 329                                 (void(*)(void*))isicintr,
 330                                 sc, &ih, NULL))
 331         {
 332                 printf("isic%d: Couldn't set up irq for ELSA MicroLink ISDN/PCI!\n", unit);
 333                 isic_detach_common(dev);
 334                 return(ENXIO);
 335         }
 336
 337         /* enable hscx/isac irq's */
 338
 339         IPAC_WRITE(IPAC_MASK, (IPAC_MASK_INT1 | IPAC_MASK_INT0));
 340
 341         IPAC_WRITE(IPAC_ACFG, 0);       /* outputs are open drain */
 342         IPAC_WRITE(IPAC_AOE,            /* aux 5..2 are inputs, 7, 6 outputs */
 343                 (IPAC_AOE_OE5 | IPAC_AOE_OE4 | IPAC_AOE_OE3 | IPAC_AOE_OE2));
 344         IPAC_WRITE(IPAC_ATX, 0xff);     /* set all output lines high */
 345
 346         t = rman_get_bustag(sc->sc_resources.io_base[0]);
 347         h = rman_get_bushandle(sc->sc_resources.io_base[0]);
 348
 349         bus_space_write_1(t, h, 0x4c, 0x41);    /* enable card interrupt */
 350
 351         return(0);
 352 }
 353
 354 #endif /* (NISIC > 0) && (NPCI > 0) && defined(ELSA_QS1PCI) */