sys/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  *
  28  *      i4b_iwic - isdn4bsd Winbond W6692 driver
  29  *      ----------------------------------------
  30  *      last edit-date: [Tue Jan 16 10:53:03 2001]
  31  *
  32  *---------------------------------------------------------------------------*/
  33
  34 #include <sys/cdefs.h>
  35 __FBSDID("$FreeBSD$");
  36
  37 #include "opt_i4b.h"
  38
  39 #include <sys/param.h>
  40 #include <sys/kernel.h>
  41 #include <sys/systm.h>
  42 #include <sys/socket.h>
  43 #include <net/if.h>
  44
  45 #include <machine/bus.h>
  46 #include <machine/resource.h>
  47 #include <sys/bus.h>
  48 #include <sys/rman.h>
  49
  50 #include <dev/pci/pcireg.h>
  51 #include <dev/pci/pcivar.h>
  52
  53 #include <i4b/include/i4b_ioctl.h>
  54 #include <i4b/include/i4b_trace.h>
  55
  56 #include <i4b/include/i4b_global.h>
  57 #include <i4b/include/i4b_l3l4.h>
  58
  59 #include <i4b/layer1/i4b_l1.h>
  60
  61 #include <i4b/layer1/iwic/i4b_iwic.h>
  62 #include <i4b/layer1/iwic/i4b_w6692.h>
  63
  64 extern struct i4b_l1mux_func iwic_l1mux_func;
  65
  66 /* Winbond PCI Configuration Space */
  67
  68 #define BADDR0 PCIR_BAR(0)
  69 #define BADDR1 PCIR_BAR(1)
  70
  71
  72 static void iwic_pci_intr(struct iwic_softc *sc);
  73 static int iwic_pci_probe(device_t dev);
  74 static int iwic_pci_attach(device_t dev);
  75
  76 static device_method_t iwic_pci_methods[] =
  77 {
  78         DEVMETHOD(device_probe,         iwic_pci_probe),
  79         DEVMETHOD(device_attach,        iwic_pci_attach),
  80         { 0, 0 }
  81 };
  82
  83 static driver_t iwic_pci_driver =
  84 {
  85         "iwic",
  86         iwic_pci_methods,
  87         0
  88 };
  89
  90 static devclass_t iwic_pci_devclass;
  91
  92 DRIVER_MODULE(iwic, pci, iwic_pci_driver, iwic_pci_devclass, 0, 0);
  93
  94 #define IWIC_MAXUNIT 4
  95
  96 struct iwic_softc iwic_sc[IWIC_MAXUNIT];
  97
  98 /*---------------------------------------------------------------------------*
  99  * PCI ID list for ASUSCOM card got from Asuscom in March 2000:
 100  *
 101  * Vendor ID: 0675 Device ID: 1702
 102  * Vendor ID: 0675 Device ID: 1703
 103  * Vendor ID: 0675 Device ID: 1707
 104  * Vendor ID: 10CF Device ID: 105E
 105  * Vendor ID: 1043 Device ID: 0675 SubVendor: 144F SubDevice ID: 2000
 106  * Vendor ID: 1043 Device ID: 0675 SubVendor: 144F SubDevice ID: 1702
 107  * Vendor ID: 1043 Device ID: 0675 SubVendor: 144F SubDevice ID: 1707
 108  * Vendor ID: 1043 Device ID: 0675 SubVendor: 1043 SubDevice ID: 1702
 109  * Vendor ID: 1043 Device ID: 0675 SubVendor: 1043 SubDevice ID: 1707
 110  * Vendor ID: 1050 Device ID: 6692 SubVendor: 0675 SubDevice ID: 1702
 111  * Vendor ID: 1043 Device ID: 0675 SubVendor: 0675 SubDevice ID: 1704
 112  *---------------------------------------------------------------------------*/
 113
 114 static struct winids {
 115         u_int32_t type;
 116         int sv;
 117         int sd;
 118         const char *desc;
 119 } win_ids[] = {
 120  { 0x66921050, -1, -1,          "Generic Winbond W6692 ISDN PCI (0x66921050)"      },
 121  { 0x06751043, 0x0675, 0x1704,  "Planet PCI ISDN Adapter (IA128P-STD) ASUS-HCF675" },
 122  { 0x66921050, 0x144F, 0x1707,  "Planet PCI ISDN Adapter (Model IA128P-STDV)"      },
 123  { 0x17020675, -1, -1,          "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x17020675)" },
 124  { 0x17030675, -1, -1,          "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x17030675)" },
 125  { 0x17070675, -1, -1,          "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x17070675)" },
 126  { 0x105e10cf, -1, -1,          "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x105e10cf)" },
 127  { 0x06751043, 0x144F, 0x2000,  "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x06751043)" },
 128  { 0x06751043, 0x144F, 0x1702,  "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x06751043)" },
 129  { 0x06751043, 0x144F, 0x1707,  "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x06751043)" },
 130  { 0x06751043, 0x1443, 0x1702,  "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x06751043)" },
 131  { 0x06751043, 0x1443, 0x1707,  "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x06751043)" },
 132  { 0x06751043, 0x144F, 0x2000,  "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x06751043)" },
 133  { 0x06751043, 0x144F, 0x2000,  "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x06751043)" },
 134  { 0x06751043, 0x144F, 0x2000,  "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x06751043)" },
 135  { 0x00000000, 0, 0, NULL }
 136 };
 137
 138 /*---------------------------------------------------------------------------*
 139  *      iwic PCI probe
 140  *---------------------------------------------------------------------------*/
 141 static int
 142 iwic_pci_probe(device_t dev)
 143 {
 144         u_int32_t type = pci_get_devid(dev);
 145         u_int32_t sv = pci_get_subvendor(dev);
 146         u_int32_t sd = pci_get_subdevice(dev);
 147
 148         struct winids *wip = win_ids;
 149
 150         while(wip->type)
 151         {
 152                 if(wip->type == type)
 153                 {
 154                         if(((wip->sv == -1) && (wip->sd == -1)) ||
 155                            ((wip->sv == sv) && (wip->sd == sd)))
 156                                 break;
 157                 }
 158                 ++wip;
 159         }
 160
 161         if(wip->desc)
 162         {
 163                 if(bootverbose)
 164                 {
 165                         printf("iwic_pci_probe: vendor = 0x%x, device = 0x%x\n", pci_get_vendor(dev), pci_get_device(dev));
 166                         printf("iwic_pci_probe: subvendor = 0x%x, subdevice = 0x%x\n", sv, sd);
 167                 }
 168                 device_set_desc(dev, wip->desc);
 169                 return(0);
 170         }
 171         else
 172         {
 173                 return(ENXIO);
 174         }
 175 }
 176
 177 /*---------------------------------------------------------------------------*
 178  *      PCI attach
 179  *---------------------------------------------------------------------------*/
 180 static int
 181 iwic_pci_attach(device_t dev)
 182 {
 183         unsigned short iobase;
 184         struct iwic_softc *sc;
 185         void *ih = 0;
 186         int unit = device_get_unit(dev);
 187         struct iwic_bchan *bchan;
 188
 189         /* check max unit range */
 190
 191         if(unit >= IWIC_MAXUNIT)
 192         {
 193                 printf("iwic%d: Error, unit %d >= IWIC_MAXUNIT!\n", unit, unit);
 194                 return(ENXIO);
 195         }
 196
 197         sc = iwic_find_sc(unit);        /* get softc */
 198
 199         sc->sc_unit = unit;
 200
 201         /* use the i/o mapped base address */
 202
 203         sc->sc_resources.io_rid[0] = BADDR1;
 204
 205         if(!(sc->sc_resources.io_base[0] =
 206                         bus_alloc_resource_any(dev, SYS_RES_IOPORT,
 207                                                &sc->sc_resources.io_rid[0],
 208                                                RF_ACTIVE)))
 209         {
 210                 printf("iwic%d: Couldn't alloc io port!\n", unit);
 211                 return(ENXIO);
 212         }
 213
 214         iobase = rman_get_start(sc->sc_resources.io_base[0]);
 215
 216         if(!(sc->sc_resources.irq =
 217                         bus_alloc_resource_any(dev, SYS_RES_IRQ,
 218                                                &sc->sc_resources.irq_rid,
 219                                                RF_SHAREABLE|RF_ACTIVE)))
 220         {
 221                 printf("iwic%d: Couldn't alloc irq!\n",unit);
 222                 return(ENXIO);
 223         }
 224
 225         /* setup card type */
 226
 227         sc->sc_cardtyp = CARD_TYPEP_WINB6692;
 228         sc->sc_iobase = (u_int32_t) iobase;
 229         sc->sc_trace = TRACE_OFF;
 230         sc->sc_I430state = ST_F3N;      /* Deactivated */
 231         sc->enabled = FALSE;
 232
 233         if(bus_setup_intr(dev, sc->sc_resources.irq, INTR_TYPE_NET,
 234                                 NULL, (void(*)(void*))iwic_pci_intr,
 235                                 sc, &ih))
 236         {
 237                 printf("iwic%d: Couldn't set up irq!\n", unit);
 238                 return(ENXIO);
 239         }
 240
 241         /* disable interrupts */
 242         IWIC_WRITE(sc, IMASK, 0xff);
 243
 244         iwic_dchan_init(sc);
 245
 246         bchan = &sc->sc_bchan[IWIC_BCH_A];
 247         bchan->unit = unit;
 248         bchan->offset = B1_CHAN_OFFSET;
 249         bchan->channel = IWIC_BCH_A;
 250         bchan->state = ST_IDLE;
 251
 252         iwic_bchannel_setup(unit, IWIC_BCH_A, BPROT_NONE, 0);
 253
 254         bchan = &sc->sc_bchan[IWIC_BCH_B];
 255         bchan->unit = unit;
 256         bchan->offset = B2_CHAN_OFFSET;
 257         bchan->channel = IWIC_BCH_B;
 258         bchan->state = ST_IDLE;
 259
 260         iwic_bchannel_setup(unit, IWIC_BCH_B, BPROT_NONE, 0);
 261
 262         iwic_init_linktab(sc);
 263
 264         if(bootverbose)
 265         {
 266                 int ver = IWIC_READ(sc, D_RBCH);
 267                 printf("iwic%d: W6692 chip version = %d\n", unit, D_RBCH_VN(ver));
 268         }
 269
 270         i4b_l1_mph_status_ind(L0IWICUNIT(sc->sc_unit), STI_ATTACH, sc->sc_cardtyp, &iwic_l1mux_func);
 271
 272         IWIC_READ(sc, ISTA);
 273
 274         /* Enable interrupts */
 275         IWIC_WRITE(sc, IMASK, IMASK_XINT0 | IMASK_XINT1);
 276
 277         return(0);
 278 }
 279
 280 /*---------------------------------------------------------------------------*
 281  *      IRQ handler
 282  *---------------------------------------------------------------------------*/
 283 static void
 284 iwic_pci_intr(struct iwic_softc *sc)
 285 {
 286         while (1)
 287         {
 288                 int irq_stat = IWIC_READ(sc, ISTA);
 289
 290                 if (irq_stat == 0)
 291                         break;
 292
 293                 if (irq_stat & (ISTA_D_RME | ISTA_D_RMR | ISTA_D_XFR))
 294                 {
 295                         iwic_dchan_xfer_irq(sc, irq_stat);
 296                 }
 297                 if (irq_stat & ISTA_D_EXI)
 298                 {
 299                         iwic_dchan_xirq(sc);
 300                 }
 301                 if (irq_stat & ISTA_B1_EXI)
 302                 {
 303                         iwic_bchan_xirq(sc, 0);
 304                 }
 305                 if (irq_stat & ISTA_B2_EXI)
 306                 {
 307                         iwic_bchan_xirq(sc, 1);
 308                 }
 309         }
 310 }