FreeBSD/Linux Kernel Cross Reference
sys/dev/sio/sio_pci.c

     /*-
      * Copyright (c) 2001 M. Warner Losh.  All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer.
      * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD$");
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/bus.h>
    #include <sys/conf.h>
    #include <sys/kernel.h>
    #include <sys/lock.h>
    #include <sys/malloc.h>
    #include <sys/mutex.h>
    #include <sys/module.h>
    #include <sys/tty.h>
    #include <machine/bus.h>
    #include <sys/timepps.h>
    
    #include <dev/sio/siovar.h>
    
    #include <dev/pci/pcivar.h>
    
    static  int     sio_pci_attach(device_t dev);
    static  void    sio_pci_kludge_unit(device_t dev);
    static  int     sio_pci_probe(device_t dev);
    
    static device_method_t sio_pci_methods[] = {
            /* Device interface */
            DEVMETHOD(device_probe,         sio_pci_probe),
            DEVMETHOD(device_attach,        sio_pci_attach),
            DEVMETHOD(device_detach,        siodetach),
    
            { 0, 0 }
    };
    
    static driver_t sio_pci_driver = {
            sio_driver_name,
            sio_pci_methods,
            0,
    };
    
    struct pci_ids {
            u_int32_t       type;
            const char      *desc;
            int             rid;
    };
    
    static struct pci_ids pci_ids[] = {
            { 0x100812b9, "3COM PCI FaxModem", 0x10 },
            { 0x2000131f, "CyberSerial (1-port) 16550", 0x10 },
            { 0x01101407, "Koutech IOFLEX-2S PCI Dual Port Serial", 0x10 },
            { 0x01111407, "Koutech IOFLEX-2S PCI Dual Port Serial", 0x10 },
            { 0x048011c1, "Lucent kermit based PCI Modem", 0x14 },
            { 0x95211415, "Oxford Semiconductor PCI Dual Port Serial", 0x10 },
            { 0x7101135e, "SeaLevel Ultra 530.PCI Single Port Serial", 0x18 },
            { 0x0000151f, "SmartLink 5634PCV SurfRider", 0x10 },
            { 0x0103115d, "Xircom Cardbus modem", 0x10 },
            { 0x432214e4, "Broadcom 802.11g/GPRS CardBus (Serial)", 0x10 },
            { 0x01c0135c, "Quatech SSCLP-200/300", 0x18 
                    /* 
                     * NB: You must mount the "SPAD" jumper to correctly detect
                     * the FIFO on the UART.  Set the options on the jumpers,
                     * we do not support the extra registers on the Quatech.
                     */
            },
            { 0x00000000, NULL, 0 }
    };
    
    static int
    sio_pci_attach(dev)
            device_t        dev;
    {
            u_int32_t       type;
            struct pci_ids  *id;
    
            type = pci_get_devid(dev);
            id = pci_ids;
           while (id->type && id->type != type)
                   id++;
           if (id->desc == NULL)
                   return (ENXIO);
           sio_pci_kludge_unit(dev);
           return (sioattach(dev, id->rid, 0UL));
   }
   
   /*
    * Don't cut and paste this to other drivers.  It is a horrible kludge
    * which will fail to work and also be unnecessary in future versions.
    */
   static void
   sio_pci_kludge_unit(dev)
           device_t dev;
   {
           devclass_t      dc;
           int             err;
           int             start;
           int             unit;
   
           unit = 0;
           start = 0;
           while (resource_int_value("sio", unit, "port", &start) == 0 && 
               start > 0)
                   unit++;
           if (device_get_unit(dev) < unit) {
                   dc = device_get_devclass(dev);
                   while (devclass_get_device(dc, unit))
                           unit++;
                   device_printf(dev, "moving to sio%d\n", unit);
                   err = device_set_unit(dev, unit);       /* EVIL DO NOT COPY */
                   if (err)
                           device_printf(dev, "error moving device %d\n", err);
           }
   }
   
   static int
   sio_pci_probe(dev)
           device_t        dev;
   {
           u_int32_t       type;
           struct pci_ids  *id;
   
           type = pci_get_devid(dev);
           id = pci_ids;
           while (id->type && id->type != type)
                   id++;
           if (id->desc == NULL)
                   return (ENXIO);
           device_set_desc(dev, id->desc);
   #ifdef PC98
           SET_FLAG(dev, SET_IFTYPE(COM_IF_NS16550));
   #endif
           return (sioprobe(dev, id->rid, 0UL, 0));
   }
   
   DRIVER_MODULE(sio, pci, sio_pci_driver, sio_devclass, 0, 0);
   DRIVER_MODULE(sio, cardbus, sio_pci_driver, sio_devclass, 0, 0);

Cache object: 67ce65f751fa841bc57b7467c833ae4e