if_ar_pci.c

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    1 /*-
    2  * Copyright (c) 1999 - 2001 John Hay.
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  * 3. Neither the name of the author nor the names of any co-contributors
   14  *    may be used to endorse or promote products derived from this software
   15  *    without specific prior written permission.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   27  * SUCH DAMAGE.
   28  */
   29 
   30 #include <sys/cdefs.h>
   31 __FBSDID("$FreeBSD$");
   32 
   33 #include <sys/param.h>
   34 #include <sys/systm.h>
   35 #include <sys/kernel.h>
   36 #include <sys/malloc.h>
   37 #include <sys/module.h>
   38 #include <sys/bus.h>
   39 #include <machine/bus.h>
   40 #include <machine/resource.h>
   41 #include <machine/bus_pio.h>
   42 #include <machine/bus_memio.h>
   43 #include <sys/rman.h>
   44 
   45 #include <dev/pci/pcireg.h>
   46 #include <dev/pci/pcivar.h>
   47 
   48 #include <dev/ic/hd64570.h>
   49 #include <dev/ar/if_arregs.h>
   50 
   51 #ifdef TRACE
   52 #define TRC(x)               x
   53 #else
   54 #define TRC(x)
   55 #endif
   56 
   57 #define TRCL(x)              x
   58 
   59 static int      ar_pci_probe(device_t);
   60 static int      ar_pci_attach(device_t);
   61 
   62 static device_method_t ar_pci_methods[] = {
   63         /* Device interface */
   64         DEVMETHOD(device_probe,         ar_pci_probe),
   65         DEVMETHOD(device_attach,        ar_pci_attach),
   66         DEVMETHOD(device_detach,        ar_detach),
   67         { 0, 0 }
   68 };
   69 
   70 static driver_t ar_pci_driver = {
   71         "ar",
   72         ar_pci_methods,
   73         sizeof(struct ar_hardc),
   74 };
   75 
   76 DRIVER_MODULE(ar, pci, ar_pci_driver, ar_devclass, 0, 0);
   77 MODULE_DEPEND(ar, pci, 1, 1, 1);
   78 
   79 static int
   80 ar_pci_probe(device_t device)
   81 {
   82         u_int32_t       type = pci_get_devid(device);
   83 
   84         switch(type) {
   85         case 0x5012114f:
   86                 device_set_desc(device, "Digi SYNC/570i-PCI 2 port");
   87                 return (0);
   88                 break;
   89         case 0x5010114f:
   90                 printf("Digi SYNC/570i-PCI 2 port (mapped below 1M)\n");
   91                 printf("Please change the jumper to select linear mode.\n");
   92                 break;
   93         case 0x5013114f:
   94                 device_set_desc(device, "Digi SYNC/570i-PCI 4 port");
   95                 return (0);
   96                 break;
   97         case 0x5011114f:
   98                 printf("Digi SYNC/570i-PCI 4 port (mapped below 1M)\n");
   99                 printf("Please change the jumper to select linear mode.\n");
  100                 break;
  101         default:
  102                 break;
  103         }
  104         return (ENXIO);
  105 }
  106 
  107 static int
  108 ar_pci_attach(device_t device)
  109 {
  110         int error;
  111         u_int i, tmp;
  112         struct ar_hardc *hc;
  113 
  114         hc = (struct ar_hardc *)device_get_softc(device);
  115         bzero(hc, sizeof(struct ar_hardc));
  116 
  117         error = ar_allocate_plx_memory(device, 0x10, 1);
  118         if(error)
  119                 goto errexit;
  120 
  121         error = ar_allocate_memory(device, 0x18, 1);
  122         if(error)
  123                 goto errexit;
  124 
  125         error = ar_allocate_irq(device, 0, 1);
  126         if(error)
  127                 goto errexit;
  128 
  129         hc->mem_start = rman_get_virtual(hc->res_memory);
  130 
  131         hc->cunit = device_get_unit(device);
  132         hc->sca[0] = (sca_regs *)(hc->mem_start + AR_PCI_SCA_1_OFFSET);
  133         hc->sca[1] = (sca_regs *)(hc->mem_start + AR_PCI_SCA_2_OFFSET);
  134         hc->orbase = (u_char *)(hc->mem_start + AR_PCI_ORBASE_OFFSET);
  135 
  136         tmp = hc->orbase[AR_BMI * 4];
  137         hc->bustype = tmp & AR_BUS_MSK;
  138         hc->memsize = (tmp & AR_MEM_MSK) >> AR_MEM_SHFT;
  139         hc->memsize = 1 << hc->memsize;
  140         hc->memsize <<= 16;
  141         hc->interface[0] = (tmp & AR_IFACE_MSK);
  142         tmp = hc->orbase[AR_REV * 4];
  143         hc->revision = tmp & AR_REV_MSK;
  144         hc->winsize = (1 << ((tmp & AR_WSIZ_MSK) >> AR_WSIZ_SHFT)) * 16 * 1024;
  145         hc->mem_end = (caddr_t)(hc->mem_start + hc->winsize);
  146         hc->winmsk = hc->winsize - 1;
  147         hc->numports = hc->orbase[AR_PNUM * 4];
  148         hc->handshake = hc->orbase[AR_HNDSH * 4];
  149 
  150         for(i = 1; i < hc->numports; i++)
  151                 hc->interface[i] = hc->interface[0];
  152 
  153         TRC(printf("arp%d: bus %x, rev %d, memstart %p, winsize %d, "
  154             "winmsk %x, interface %x\n",
  155             unit, hc->bustype, hc->revision, hc->mem_start, hc->winsize,
  156             hc->winmsk, hc->interface[0]));
  157 
  158         ar_attach(device);
  159 
  160         /* Magic to enable the card to generate interrupts. */
  161         bus_space_write_1(rman_get_bustag(hc->res_plx_memory),
  162             rman_get_bushandle(hc->res_plx_memory), 0x69, 0x09);
  163 
  164         return (0);
  165 
  166 errexit:
  167         ar_deallocate_resources(device);
  168         return (ENXIO);
  169 }
  170

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FreeBSD/Linux Kernel Cross Reference sys/dev/ar/if_ar_pci.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/ar/if_ar_pci.c