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 1.6 2006/10/25 20:56:03 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 <sys/bus.h>
  48 #include <sys/rman.h>
  49
  50 #include <bus/pci/pcireg.h>
  51 #include <bus/pci/pcivar.h>
  52
  53 #include <net/if.h>
  54 #include <net/i4b/include/machine/i4b_ioctl.h>
  55 #include <net/i4b/include/machine/i4b_trace.h>
  56
  57 #include "../../include/i4b_global.h"
  58 #include "../../include/i4b_l3l4.h"
  59 #include "../i4b_l1.h"
  60
  61 #include "i4b_iwic.h"
  62 #include "i4b_w6692.h"
  63
  64 extern struct i4b_l1mux_func iwic_l1mux_func;
  65
  66 /* Winbond PCI Configuration Space */
  67
  68 #define BASEREG0_MAPOFF 0x00
  69 #define BASEREG1_MAPOFF 0x04
  70
  71 #define BADDR0 (PCIR_MAPS + BASEREG0_MAPOFF)
  72 #define BADDR1 (PCIR_MAPS + BASEREG1_MAPOFF)
  73
  74
  75 static void iwic_pci_intr(struct iwic_softc *sc);
  76 static int iwic_pci_probe(device_t dev);
  77 static int iwic_pci_attach(device_t dev);
  78
  79 static device_method_t iwic_pci_methods[] =
  80 {
  81         DEVMETHOD(device_probe,         iwic_pci_probe),
  82         DEVMETHOD(device_attach,        iwic_pci_attach),
  83         { 0, 0 }
  84 };
  85
  86 static driver_t iwic_pci_driver =
  87 {
  88         "iwic",
  89         iwic_pci_methods,
  90         0
  91 };
  92
  93 static devclass_t iwic_pci_devclass;
  94
  95 DRIVER_MODULE(iwic, pci, iwic_pci_driver, iwic_pci_devclass, 0, 0);
  96
  97 #define IWIC_MAXUNIT 4
  98
  99 struct iwic_softc iwic_sc[IWIC_MAXUNIT];
 100
 101 /*---------------------------------------------------------------------------*
 102  * PCI ID list for ASUSCOM card got from Asuscom in March 2000:
 103  *
 104  * Vendor ID: 0675 Device ID: 1702
 105  * Vendor ID: 0675 Device ID: 1703
 106  * Vendor ID: 0675 Device ID: 1707
 107  * Vendor ID: 10CF Device ID: 105E
 108  * Vendor ID: 1043 Device ID: 0675 SubVendor: 144F SubDevice ID: 2000
 109  * Vendor ID: 1043 Device ID: 0675 SubVendor: 144F SubDevice ID: 1702
 110  * Vendor ID: 1043 Device ID: 0675 SubVendor: 144F SubDevice ID: 1707
 111  * Vendor ID: 1043 Device ID: 0675 SubVendor: 1043 SubDevice ID: 1702
 112  * Vendor ID: 1043 Device ID: 0675 SubVendor: 1043 SubDevice ID: 1707
 113  * Vendor ID: 1050 Device ID: 6692 SubVendor: 0675 SubDevice ID: 1702
 114  *---------------------------------------------------------------------------*/
 115
 116 static struct winids {
 117         u_int32_t type;
 118         int sv;
 119         int sd;
 120         const char *desc;
 121 } win_ids[] = {
 122  { 0x66921050, -1, -1,          "Generic Winbond W6692 ISDN PCI (0x66921050)"      },
 123  { 0x66921050, 0x144F, 0x1707,  "Planet PCI ISDN Adapter (Model IA128P-STDV)"      },
 124  { 0x17020675, -1, -1,          "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x17020675)" },
 125  { 0x17030675, -1, -1,          "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x17030675)" },
 126  { 0x17070675, -1, -1,          "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x17070675)" },
 127  { 0x105e10cf, -1, -1,          "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x105e10cf)" },
 128  { 0x06751043, 0x144F, 0x2000,  "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x06751043)" },
 129  { 0x06751043, 0x144F, 0x1702,  "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x06751043)" },
 130  { 0x06751043, 0x144F, 0x1707,  "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x06751043)" },
 131  { 0x06751043, 0x1443, 0x1702,  "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x06751043)" },
 132  { 0x06751043, 0x1443, 0x1707,  "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  { 0x06751043, 0x144F, 0x2000,  "ASUSCOM P-IN100-ST-D (Winbond W6692, 0x06751043)" },
 136  { 0x00000000, 0, 0, NULL }
 137 };
 138
 139 /*---------------------------------------------------------------------------*
 140  *      iwic PCI probe
 141  *---------------------------------------------------------------------------*/
 142 static int
 143 iwic_pci_probe(device_t dev)
 144 {
 145         u_int32_t type = pci_get_devid(dev);
 146         u_int32_t sv = pci_get_subvendor(dev);
 147         u_int32_t sd = pci_get_subdevice(dev);
 148
 149         struct winids *wip = win_ids;
 150
 151         while(wip->type)
 152         {
 153                 if(wip->type == type)
 154                 {
 155                         if(((wip->sv == -1) && (wip->sd == -1)) ||
 156                            ((wip->sv == sv) && (wip->sd == sd)))
 157                                 break;
 158                 }
 159                 ++wip;
 160         }
 161
 162         if(wip->desc)
 163         {
 164                 if(bootverbose)
 165                 {
 166                         printf("iwic_pci_probe: vendor = 0x%x, device = 0x%x\n", pci_get_vendor(dev), pci_get_device(dev));
 167                         printf("iwic_pci_probe: subvendor = 0x%x, subdevice = 0x%x\n", sv, sd);
 168                 }
 169                 device_set_desc(dev, wip->desc);
 170                 return(0);
 171         }
 172         else
 173         {
 174                 return(ENXIO);
 175         }
 176 }
 177
 178 /*---------------------------------------------------------------------------*
 179  *      PCI attach
 180  *---------------------------------------------------------------------------*/
 181 static int
 182 iwic_pci_attach(device_t dev)
 183 {
 184         unsigned short iobase;
 185         struct iwic_softc *sc;
 186         void *ih = 0;
 187         int unit = device_get_unit(dev);
 188         struct iwic_bchan *bchan;
 189
 190         /* check max unit range */
 191
 192         if(unit >= IWIC_MAXUNIT)
 193         {
 194                 printf("iwic%d: Error, unit %d >= IWIC_MAXUNIT!\n", unit, unit);
 195                 return(ENXIO);
 196         }
 197
 198         sc = iwic_find_sc(unit);        /* get softc */
 199
 200         sc->sc_unit = unit;
 201
 202         /* use the i/o mapped base address */
 203
 204         sc->sc_resources.io_rid[0] = BADDR1;
 205
 206         if(!(sc->sc_resources.io_base[0] =
 207                         bus_alloc_resource(dev, SYS_RES_IOPORT,
 208                                                 &sc->sc_resources.io_rid[0],
 209                                                 0UL, ~0UL, 1, RF_ACTIVE)))
 210         {
 211                 printf("iwic%d: Couldn't alloc io port!\n", unit);
 212                 return(ENXIO);
 213         }
 214
 215         iobase = rman_get_start(sc->sc_resources.io_base[0]);
 216
 217         if(!(sc->sc_resources.irq =
 218                         bus_alloc_resource(dev, SYS_RES_IRQ,
 219                                            &sc->sc_resources.irq_rid,
 220                                            0UL, ~0UL, 1, RF_SHAREABLE|RF_ACTIVE)))
 221         {
 222                 printf("iwic%d: Couldn't alloc irq!\n",unit);
 223                 return(ENXIO);
 224         }
 225
 226         /* setup card type */
 227
 228         sc->sc_cardtyp = CARD_TYPEP_WINB6692;
 229         sc->sc_iobase = (u_int32_t) iobase;
 230         sc->sc_trace = TRACE_OFF;
 231         sc->sc_I430state = ST_F3N;      /* Deactivated */
 232         sc->enabled = FALSE;
 233
 234         if (bus_setup_intr(dev, sc->sc_resources.irq, 0,
 235                                 (void(*)(void*))iwic_pci_intr,
 236                                 sc, &ih, NULL))
 237         {
 238                 printf("iwic%d: Couldn't set up irq!\n", unit);
 239                 return(ENXIO);
 240         }
 241
 242         /* disable interrupts */
 243         IWIC_WRITE(sc, IMASK, 0xff);
 244
 245         iwic_dchan_init(sc);
 246
 247         bchan = &sc->sc_bchan[IWIC_BCH_A];
 248         bchan->unit = unit;
 249         bchan->offset = B1_CHAN_OFFSET;
 250         bchan->channel = IWIC_BCH_A;
 251         bchan->state = ST_IDLE;
 252
 253         iwic_bchannel_setup(unit, IWIC_BCH_A, BPROT_NONE, 0);
 254
 255         bchan = &sc->sc_bchan[IWIC_BCH_B];
 256         bchan->unit = unit;
 257         bchan->offset = B2_CHAN_OFFSET;
 258         bchan->channel = IWIC_BCH_B;
 259         bchan->state = ST_IDLE;
 260
 261         iwic_bchannel_setup(unit, IWIC_BCH_B, BPROT_NONE, 0);
 262
 263         iwic_init_linktab(sc);
 264
 265         if(bootverbose)
 266         {
 267                 int ver = IWIC_READ(sc, D_RBCH);
 268                 printf("iwic%d: W6692 chip version = %d\n", unit, D_RBCH_VN(ver));
 269         }
 270
 271         i4b_l1_mph_status_ind(L0IWICUNIT(sc->sc_unit), STI_ATTACH, sc->sc_cardtyp, &iwic_l1mux_func);
 272
 273         IWIC_READ(sc, ISTA);
 274
 275         /* Enable interrupts */
 276         IWIC_WRITE(sc, IMASK, IMASK_XINT0 | IMASK_XINT1);
 277
 278         return(0);
 279 }
 280
 281 /*---------------------------------------------------------------------------*
 282  *      IRQ handler
 283  *---------------------------------------------------------------------------*/
 284 static void
 285 iwic_pci_intr(struct iwic_softc *sc)
 286 {
 287         while (1)
 288         {
 289                 int irq_stat = IWIC_READ(sc, ISTA);
 290
 291                 if (irq_stat == 0)
 292                         break;
 293
 294                 if (irq_stat & (ISTA_D_RME | ISTA_D_RMR | ISTA_D_XFR))
 295                 {
 296                         iwic_dchan_xfer_irq(sc, irq_stat);
 297                 }
 298                 if (irq_stat & ISTA_D_EXI)
 299                 {
 300                         iwic_dchan_xirq(sc);
 301                 }
 302                 if (irq_stat & ISTA_B1_EXI)
 303                 {
 304                         iwic_bchan_xirq(sc, 0);
 305                 }
 306                 if (irq_stat & ISTA_B2_EXI)
 307                 {
 308                         iwic_bchan_xirq(sc, 1);
 309                 }
 310         }
 311 }
 312
 313 #endif