mirror of
https://git.FreeBSD.org/src.git
synced 2024-11-28 08:02:54 +00:00
128 lines
3.9 KiB
C
128 lines
3.9 KiB
C
/*-
|
|
* Copyright (c) 2003 John Baldwin <jhb@FreeBSD.org>
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
/*
|
|
* ISA Bridge driver for Generic ISA Bus Devices. See section 10.7 of the
|
|
* ACPI 2.0a specification for details on this device.
|
|
*/
|
|
|
|
#include "opt_acpi.h"
|
|
#include <sys/param.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/module.h>
|
|
|
|
#include <contrib/dev/acpica/include/acpi.h>
|
|
#include <contrib/dev/acpica/include/accommon.h>
|
|
|
|
#include <dev/acpica/acpivar.h>
|
|
#include <isa/isavar.h>
|
|
|
|
/* Hooks for the ACPI CA debugging infrastructure. */
|
|
#define _COMPONENT ACPI_BUS
|
|
ACPI_MODULE_NAME("ISA_ACPI")
|
|
|
|
struct acpi_isab_softc {
|
|
device_t ap_dev;
|
|
ACPI_HANDLE ap_handle;
|
|
};
|
|
|
|
static int acpi_isab_probe(device_t bus);
|
|
static int acpi_isab_attach(device_t bus);
|
|
static int acpi_isab_read_ivar(device_t dev, device_t child, int which,
|
|
uintptr_t *result);
|
|
|
|
static device_method_t acpi_isab_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_probe, acpi_isab_probe),
|
|
DEVMETHOD(device_attach, acpi_isab_attach),
|
|
DEVMETHOD(device_shutdown, bus_generic_shutdown),
|
|
DEVMETHOD(device_suspend, bus_generic_suspend),
|
|
DEVMETHOD(device_resume, bus_generic_resume),
|
|
|
|
/* Bus interface */
|
|
DEVMETHOD(bus_read_ivar, acpi_isab_read_ivar),
|
|
DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
|
|
DEVMETHOD(bus_release_resource, bus_generic_release_resource),
|
|
DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
|
|
DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
|
|
DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
|
|
DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
|
|
|
|
DEVMETHOD_END
|
|
};
|
|
|
|
static driver_t acpi_isab_driver = {
|
|
"isab",
|
|
acpi_isab_methods,
|
|
sizeof(struct acpi_isab_softc),
|
|
};
|
|
|
|
DRIVER_MODULE(acpi_isab, acpi, acpi_isab_driver, 0, 0);
|
|
MODULE_DEPEND(acpi_isab, acpi, 1, 1, 1);
|
|
|
|
static int
|
|
acpi_isab_probe(device_t dev)
|
|
{
|
|
static char *isa_ids[] = { "PNP0A05", "PNP0A06", NULL };
|
|
int rv;
|
|
|
|
if (acpi_disabled("isab") || device_get_unit(dev) != 0)
|
|
return (ENXIO);
|
|
rv = ACPI_ID_PROBE(device_get_parent(dev), dev, isa_ids, NULL);
|
|
if (rv <= 0)
|
|
device_set_desc(dev, "ACPI Generic ISA bridge");
|
|
return (rv);
|
|
}
|
|
|
|
static int
|
|
acpi_isab_attach(device_t dev)
|
|
{
|
|
struct acpi_isab_softc *sc;
|
|
|
|
ACPI_FUNCTION_TRACE((char *)(uintptr_t)__func__);
|
|
|
|
sc = device_get_softc(dev);
|
|
sc->ap_dev = dev;
|
|
sc->ap_handle = acpi_get_handle(dev);
|
|
|
|
return (isab_attach(dev));
|
|
}
|
|
|
|
static int
|
|
acpi_isab_read_ivar(device_t dev, device_t child, int which, uintptr_t *result)
|
|
{
|
|
struct acpi_isab_softc *sc = device_get_softc(dev);
|
|
|
|
switch (which) {
|
|
case ACPI_IVAR_HANDLE:
|
|
*result = (uintptr_t)sc->ap_handle;
|
|
return (0);
|
|
}
|
|
return (ENOENT);
|
|
}
|