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/*-
* Copyright (c) 2003 Matthew N. Dodd <winter@jurai.net>
* 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <machine/smapi.h>
#include <i386/smapi/smapi_var.h>
u_long smapi32_offset;
u_short smapi32_segment;
#define SMAPI32_SEGMENT 0x18
devclass_t smapi_devclass;
static d_open_t smapi_open;
static d_close_t smapi_close;
static d_ioctl_t smapi_ioctl;
#define CDEV_MAJOR 183
static struct cdevsw smapi_cdevsw = {
/* open */ smapi_open,
/* close */ smapi_close,
/* read */ noread,
/* write */ nowrite,
/* ioctl */ smapi_ioctl,
/* poll */ nopoll,
/* mmap */ nommap,
/* strategy */ nostrategy,
/* name */ "smapi",
/* maj */ CDEV_MAJOR,
/* dump */ nodump,
/* psize */ nopsize,
/* flags */ D_MEM,
/* kqfilter */ NULL,
};
static int
smapi_open (dev, oflags, devtype, td)
dev_t dev;
int oflags;
int devtype;
d_thread_t * td;
{
return (0);
}
static int
smapi_close (dev, fflag, devtype, td)
dev_t dev;
int fflag;
int devtype;
d_thread_t * td;
{
return (0);
}
static int
smapi_ioctl (dev, cmd, data, fflag, td)
dev_t dev;
u_long cmd;
caddr_t data;
int fflag;
d_thread_t * td;
{
struct smapi_softc *sc;
int error;
error = 0;
sc = devclass_get_softc(smapi_devclass, minor(dev));
if (sc == NULL) {
error = ENXIO;
goto fail;
}
switch (cmd) {
case SMAPIOGHEADER:
bcopy((caddr_t)sc->header, data,
sizeof(struct smapi_bios_header));
error = 0;
break;
case SMAPIOCGFUNCTION:
#if 1
smapi32_segment = SMAPI32_SEGMENT;
smapi32_offset = sc->smapi32_entry;
error = smapi32(
#else
error = smapi32_new(sc->smapi32_entry, SMAPI32_SEGMENT,
#endif
(struct smapi_bios_parameter *)data,
(struct smapi_bios_parameter *)data);
break;
default:
error = ENOTTY;
}
fail:
return (error);
}
int
smapi_attach (struct smapi_softc *sc)
{
sc->cdev = make_dev(&smapi_cdevsw,
device_get_unit(sc->dev),
UID_ROOT, GID_WHEEL, 0600,
"%s%d",
smapi_cdevsw.d_name,
device_get_unit(sc->dev));
return (0);
}
int
smapi_detach (struct smapi_softc *sc)
{
destroy_dev(sc->cdev);
return (0);
}
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