9b3df7693a
however is only marginally useful until the new-style bus (pci and isa) stuff comes onboard to give us a better shot at actually pci and isa drivers loadable (or preloadable anyway).
100 lines
3.2 KiB
C
100 lines
3.2 KiB
C
/*
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* Loadable kernel module skeleton driver
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* 11 July 1995 Andrew McRae
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*
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*-------------------------------------------------------------------------
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*
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* Copyright (c) 1995 Andrew McRae. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/proc.h>
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#include <sys/conf.h>
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#include <sys/mount.h>
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#include <sys/sysent.h>
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#include <sys/exec.h>
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#include <sys/lkm.h>
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#include <i386/isa/isa_device.h>
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#include <sys/select.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <pccard/cardinfo.h>
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#include <pccard/driver.h>
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#include <pccard/slot.h>
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static int skelinit(struct pccard_devinfo *); /* init device */
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static void skelunload(struct pccard_devinfo *); /* Disable driver */
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static int skelintr(struct pccard_devinfo *); /* Interrupt handler */
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PCCARD_MODULE(skel, skelinit, skelunload, skelintr, 0, net_imask);
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static int opened; /* Rather minimal device state... */
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/*
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* Skeleton driver entry points for PCCARD configuration.
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*/
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/*
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* Initialize the device.
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*/
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static int
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skelinit(struct pccard_devinfo *devi)
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{
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int unit = devi->isahd.id_unit;
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if (opened & (1 << unit))
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return(EBUSY);
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opened |= 1 << unit;
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printf("%s%d: init\n", devi->drv->name, unit);
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printf("%s%d: irq %d iobase 0x%x maddr 0x%x memlen %d\n",
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devi->drv->name, unit, devi->isahd.id_irq,
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devi->isahd.id_iobase, devi->isahd.id_maddr,
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devi->isahd.id_msize);
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return(0);
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}
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/*
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* The device entry is being removed. Shut it down,
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* and turn off interrupts etc. Not called unless
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* the device was successfully installed.
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*/
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static void
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skelunload(struct pccard_devinfo *devi)
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{
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int unit = devi->isahd.id_unit;
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printf("%s%d: unload\n", devi->drv->name, unit);
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opened &= ~(1 << unit);
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}
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/*
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* Interrupt handler.
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* Returns true if the interrupt is for us.
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*/
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static int
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skelintr(struct pccard_devinfo *devi)
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{
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return(0);
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}
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