sys/net/i4b/layer1/iwic/i4b_iwic_pci.c

   1 /*
   2  * Copyright (c) 1999, 2000 Dave Boyce. 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  *      i4b_iwic - isdn4bsd Winbond W6692 driver
  28  *      ----------------------------------------
  29  *
  30  * $FreeBSD: src/sys/i4b/layer1/iwic/i4b_iwic_pci.c,v 1.6.2.1 2001/08/10 14:08:40 obrien Exp $
  31  * $DragonFly: src/sys/net/i4b/layer1/iwic/i4b_iwic_pci.c,v 1.3 2003/08/07 21:17:28 dillon Exp $
  32  *
  33  *      last edit-date: [Tue Jan 16 10:53:03 2001]
  34  *
  35  *---------------------------------------------------------------------------*/
  36
  37 #include "use_iwic.h"
  38 #include "use_pci.h"
  39 #include "opt_i4b.h"
  40
  41 #if (NIWIC > 0) && (NPCI > 0)
  42
  43 #include <sys/param.h>
  44 #include <sys/kernel.h>
  45 #include <sys/systm.h>
  46 #include <sys/socket.h>
  47 #include <net/if.h>
  48
  49
  50 #include <machine/bus.h>
  51 #include <machine/resource.h>
  52 #include <sys/bus.h>
  53 #include <sys/rman.h>
  54
  55 #include <bus/pci/pcireg.h>
  56 #include <bus/pci/pcivar.h>
  57
  58 #include <net/i4b/include/machine/i4b_ioctl.h>
  59 #include <net/i4b/include/machine/i4b_trace.h>
  60
  61 #include "../../include/i4b_global.h"
  62 #include "../../include/i4b_l3l4.h"
  63 #include "../i4b_l1.h"
  64
  65 #include "i4b_iwic.h"
  66 #include "i4b_w6692.h"
  67
  68 extern struct i4b_l1mux_func iwic_l1mux_func;
  69
  70 /* Winbond PCI Configuration Space */
  71
  72 #define BASEREG0_MAPOFF 0x00
  73 #define BASEREG1_MAPOFF 0x04
  74
  75 #define BADDR0 (PCIR_MAPS + BASEREG0_MAPOFF)
  76 #define BADDR1 (PCIR_MAPS + BASEREG1_MAPOFF)
  77
  78
  79 static void iwic_pci_intr(struct iwic_softc *sc);
  80 static int iwic_pci_probe(device_t dev);
  81 static int iwic_pci_attach(device_t dev);
  82
  83 static device_method_t iwic_pci_methods[] =
  84 {
  85         DEVMETHOD(device_probe,         iwic_pci_probe),
  86         DEVMETHOD(device_attach,        iwic_pci_attach),
  87         { 0, 0 }
  88 };
  89
  90 static driver_t iwic_pci_driver =
  91 {
  92         "iwic",
  93         iwic_pci_methods,
  94         0
  95 };
  96
  97 static devclass_t iwic_pci_devclass;
  98
  99 DRIVER_MODULE(iwic, pci, iwic_pci_driver, iwic_pci_devclass, 0, 0);
 100
 101 #define IWIC_MAXUNIT 4
 102
 103 struct iwic_softc iwic_sc[IWIC_MAXUNIT];
 104
 105 /*---------------------------------------------------------------------------*
 106  * PCI ID list for ASUSCOM card got from Asuscom in March 2000:
 107  *
 108  * Vendor ID: 0675 Device ID: 1702
 109  * Vendor ID: 0675 Device ID: 1703
 110  * Vendor ID: 0675 Device ID: 1707
 111  * Vendor ID: 10CF Device ID: 105E
 112  * Vendor ID: 1043 Device ID: 0675 SubVendor: 144F SubDevice ID: 2000
 113  * Vendor ID: 1043 Device ID: 0675 SubVendor: 144F SubDevice ID: 1702
 114  * Vendor ID: 1043 Device ID: 0675 SubVendor: 144F SubDevice ID: 1707
 115  * Vendor ID: 1043 Device ID: 0675 SubVendor: 1043 SubDevice ID: 1702
 116  * Vendor ID: 1043 Device ID: 0675 SubVendor: 1043 SubDevice ID: 1707
 117  * Vendor ID: 1050 Device ID: 6692 SubVendor: 0675 SubDevice ID: 1702
 118  *---------------------------------------------------------------------------*/
 119
 120 static struct winids {
 121         u_int32_t type;
 122         int sv;
 123         int sd;
 124         const char *desc;
 125 } win_ids[] = {
 126  { 0x66921050, -1, -1,          "Generic Winbond W6692 ISDN PCI (0x66921050)"      },
 127  { 0x66921050, 0x144F, 0x1707,  "Planet PCI ISDN Adapter (Model IA128P-STDV)"      },
 128  { 0x17020675, -1, -1,          "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x17020675)" },
 129  { 0x17030675, -1, -1,          "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x17030675)" },
 130  { 0x17070675, -1, -1,          "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x17070675)" },
 131  { 0x105e10cf, -1, -1,          "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x105e10cf)" },
 132  { 0x06751043, 0x144F, 0x2000,  "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x06751043)" },
 133  { 0x06751043, 0x144F, 0x1702,  "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x06751043)" },
 134  { 0x06751043, 0x144F, 0x1707,  "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x06751043)" },
 135  { 0x06751043, 0x1443, 0x1702,  "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x06751043)" },
 136  { 0x06751043, 0x1443, 0x1707,  "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x06751043)" },
 137  { 0x06751043, 0x144F, 0x2000,  "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x06751043)" },
 138  { 0x06751043, 0x144F, 0x2000,  "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x06751043)" },
 139  { 0x06751043, 0x144F, 0x2000,  "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x06751043)" },
 140  { 0x00000000, 0, 0, NULL }
 141 };
 142
 143 /*---------------------------------------------------------------------------*
 144  *      iwic PCI probe
 145  *---------------------------------------------------------------------------*/
 146 static int
 147 iwic_pci_probe(device_t dev)
 148 {
 149         u_int32_t type = pci_get_devid(dev);
 150         u_int32_t sv = pci_get_subvendor(dev);
 151         u_int32_t sd = pci_get_subdevice(dev);
 152
 153         struct winids *wip = win_ids;
 154
 155         while(wip->type)
 156         {
 157                 if(wip->type == type)
 158                 {
 159                         if(((wip->sv == -1) && (wip->sd == -1)) ||
 160                            ((wip->sv == sv) && (wip->sd == sd)))
 161                                 break;
 162                 }
 163                 ++wip;
 164         }
 165
 166         if(wip->desc)
 167         {
 168                 if(bootverbose)
 169                 {
 170                         printf("iwic_pci_probe: vendor = 0x%x, device = 0x%x\n", pci_get_vendor(dev), pci_get_device(dev));
 171                         printf("iwic_pci_probe: subvendor = 0x%x, subdevice = 0x%x\n", sv, sd);
 172                 }
 173                 device_set_desc(dev, wip->desc);
 174                 return(0);
 175         }
 176         else
 177         {
 178                 return(ENXIO);
 179         }
 180 }
 181
 182 /*---------------------------------------------------------------------------*
 183  *      PCI attach
 184  *---------------------------------------------------------------------------*/
 185 static int
 186 iwic_pci_attach(device_t dev)
 187 {
 188         unsigned short iobase;
 189         struct iwic_softc *sc;
 190         void *ih = 0;
 191         int unit = device_get_unit(dev);
 192         struct iwic_bchan *bchan;
 193
 194         /* check max unit range */
 195
 196         if(unit >= IWIC_MAXUNIT)
 197         {
 198                 printf("iwic%d: Error, unit %d >= IWIC_MAXUNIT!\n", unit, unit);
 199                 return(ENXIO);
 200         }
 201
 202         sc = iwic_find_sc(unit);        /* get softc */
 203
 204         sc->sc_unit = unit;
 205
 206         /* use the i/o mapped base address */
 207
 208         sc->sc_resources.io_rid[0] = BADDR1;
 209
 210         if(!(sc->sc_resources.io_base[0] =
 211                         bus_alloc_resource(dev, SYS_RES_IOPORT,
 212                                                 &sc->sc_resources.io_rid[0],
 213                                                 0UL, ~0UL, 1, RF_ACTIVE)))
 214         {
 215                 printf("iwic%d: Couldn't alloc io port!\n", unit);
 216                 return(ENXIO);
 217         }
 218
 219         iobase = rman_get_start(sc->sc_resources.io_base[0]);
 220
 221         if(!(sc->sc_resources.irq =
 222                         bus_alloc_resource(dev, SYS_RES_IRQ,
 223                                            &sc->sc_resources.irq_rid,
 224                                            0UL, ~0UL, 1, RF_SHAREABLE|RF_ACTIVE)))
 225         {
 226                 printf("iwic%d: Couldn't alloc irq!\n",unit);
 227                 return(ENXIO);
 228         }
 229
 230         /* setup card type */
 231
 232         sc->sc_cardtyp = CARD_TYPEP_WINB6692;
 233         sc->sc_iobase = (u_int32_t) iobase;
 234         sc->sc_trace = TRACE_OFF;
 235         sc->sc_I430state = ST_F3N;      /* Deactivated */
 236         sc->enabled = FALSE;
 237
 238         if(bus_setup_intr(dev, sc->sc_resources.irq, INTR_TYPE_NET,
 239                                 (void(*)(void*))iwic_pci_intr,
 240                                 sc, &ih))
 241         {
 242                 printf("iwic%d: Couldn't set up irq!\n", unit);
 243                 return(ENXIO);
 244         }
 245
 246         /* disable interrupts */
 247         IWIC_WRITE(sc, IMASK, 0xff);
 248
 249         iwic_dchan_init(sc);
 250
 251         bchan = &sc->sc_bchan[IWIC_BCH_A];
 252         bchan->unit = unit;
 253         bchan->offset = B1_CHAN_OFFSET;
 254         bchan->channel = IWIC_BCH_A;
 255         bchan->state = ST_IDLE;
 256
 257         iwic_bchannel_setup(unit, IWIC_BCH_A, BPROT_NONE, 0);
 258
 259         bchan = &sc->sc_bchan[IWIC_BCH_B];
 260         bchan->unit = unit;
 261         bchan->offset = B2_CHAN_OFFSET;
 262         bchan->channel = IWIC_BCH_B;
 263         bchan->state = ST_IDLE;
 264
 265         iwic_bchannel_setup(unit, IWIC_BCH_B, BPROT_NONE, 0);
 266
 267         iwic_init_linktab(sc);
 268
 269         if(bootverbose)
 270         {
 271                 int ver = IWIC_READ(sc, D_RBCH);
 272                 printf("iwic%d: W6692 chip version = %d\n", unit, D_RBCH_VN(ver));
 273         }
 274
 275         i4b_l1_mph_status_ind(L0IWICUNIT(sc->sc_unit), STI_ATTACH, sc->sc_cardtyp, &iwic_l1mux_func);
 276
 277         IWIC_READ(sc, ISTA);
 278
 279         /* Enable interrupts */
 280         IWIC_WRITE(sc, IMASK, IMASK_XINT0 | IMASK_XINT1);
 281
 282         return(0);
 283 }
 284
 285 /*---------------------------------------------------------------------------*
 286  *      IRQ handler
 287  *---------------------------------------------------------------------------*/
 288 static void
 289 iwic_pci_intr(struct iwic_softc *sc)
 290 {
 291         while (1)
 292         {
 293                 int irq_stat = IWIC_READ(sc, ISTA);
 294
 295                 if (irq_stat == 0)
 296                         break;
 297
 298                 if (irq_stat & (ISTA_D_RME | ISTA_D_RMR | ISTA_D_XFR))
 299                 {
 300                         iwic_dchan_xfer_irq(sc, irq_stat);
 301                 }
 302                 if (irq_stat & ISTA_D_EXI)
 303                 {
 304                         iwic_dchan_xirq(sc);
 305                 }
 306                 if (irq_stat & ISTA_B1_EXI)
 307                 {
 308                         iwic_bchan_xirq(sc, 0);
 309                 }
 310                 if (irq_stat & ISTA_B2_EXI)
 311                 {
 312                         iwic_bchan_xirq(sc, 1);
 313                 }
 314         }
 315 }
 316
 317 #endif