The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/uart/uart_bus_pci.c

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
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    1 /*-
    2  * Copyright (c) 2001 M. Warner Losh.  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 ``AS IS'' AND ANY EXPRESS OR
   14  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   15  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   16  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   17  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   18  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   19  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   20  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   22  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   23  */
   24 
   25 #include <sys/cdefs.h>
   26 __FBSDID("$FreeBSD$");
   27 
   28 #include <sys/param.h>
   29 #include <sys/systm.h>
   30 #include <sys/bus.h>
   31 #include <sys/conf.h>
   32 #include <sys/kernel.h>
   33 #include <sys/module.h>
   34 #include <machine/bus.h>
   35 #include <sys/rman.h>
   36 #include <machine/resource.h>
   37 
   38 #include <dev/pci/pcivar.h>
   39 
   40 #include <dev/uart/uart.h>
   41 #include <dev/uart/uart_bus.h>
   42 
   43 static int uart_pci_probe(device_t dev);
   44 
   45 static device_method_t uart_pci_methods[] = {
   46         /* Device interface */
   47         DEVMETHOD(device_probe,         uart_pci_probe),
   48         DEVMETHOD(device_attach,        uart_bus_attach),
   49         DEVMETHOD(device_detach,        uart_bus_detach),
   50         { 0, 0 }
   51 };
   52 
   53 static driver_t uart_pci_driver = {
   54         uart_driver_name,
   55         uart_pci_methods,
   56         sizeof(struct uart_softc),
   57 };
   58 
   59 struct pci_id {
   60         uint32_t        type;
   61         const char      *desc;
   62         int             rid;
   63 };
   64 
   65 static struct pci_id pci_ns8250_ids[] = {
   66         { 0x100812b9, "3COM PCI FaxModem", 0x10 },
   67         { 0x2000131f, "CyberSerial (1-port) 16550", 0x10 },
   68         { 0x01101407, "Koutech IOFLEX-2S PCI Dual Port Serial", 0x10 },
   69         { 0x01111407, "Koutech IOFLEX-2S PCI Dual Port Serial", 0x10 },
   70         { 0x048011c1, "Lucent kermit based PCI Modem", 0x14 },
   71         { 0x95211415, "Oxford Semiconductor PCI Dual Port Serial", 0x10 },
   72         { 0x7101135e, "SeaLevel Ultra 530.PCI Single Port Serial", 0x18 },
   73         { 0x0000151f, "SmartLink 5634PCV SurfRider", 0x10 },
   74         { 0x0103115d, "Xircom Cardbus modem", 0x10 },
   75         { 0x98459710, "Netmos Nm9845 PCI Bridge with Dual UART", 0x10 },
   76         { 0x01c0135c, "Quatech SSCLP-200/300", 0x18 
   77                 /* 
   78                  * NB: You must mount the "SPAD" jumper to correctly detect
   79                  * the FIFO on the UART.  Set the options on the jumpers,
   80                  * we do not support the extra registers on the Quatech.
   81                  */
   82         },
   83         { 0x00000000, NULL, 0 }
   84 };
   85 
   86 static struct pci_id *
   87 uart_pci_match(uint32_t type, struct pci_id *id)
   88 {
   89 
   90         while (id->type && id->type != type)
   91                 id++;
   92         return ((id->type) ? id : NULL);
   93 }
   94 
   95 static int
   96 uart_pci_probe(device_t dev)
   97 {
   98         struct uart_softc *sc;
   99         struct pci_id *id;
  100 
  101         sc = device_get_softc(dev);
  102 
  103         id = uart_pci_match(pci_get_devid(dev), pci_ns8250_ids);
  104         if (id != NULL) {
  105                 sc->sc_class = &uart_ns8250_class;
  106                 goto match;
  107         }
  108         /* Add checks for non-ns8250 IDs here. */
  109         return (ENXIO);
  110 
  111  match:
  112         if (id->desc)
  113                 device_set_desc(dev, id->desc);
  114         return (uart_bus_probe(dev, 0, 0, id->rid, 0));
  115 }
  116 
  117 DRIVER_MODULE(uart, pci, uart_pci_driver, uart_devclass, 0, 0);
  118 DRIVER_MODULE(uart, cardbus, uart_pci_driver, uart_devclass, 0, 0);

Cache object: 058f52b6582509b5a2f2814cb42d852b


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