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/*-
* Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
* 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 as
* the first lines of this file unmodified.
* 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 AUTHORS ``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 AUTHORS 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 "opt_kbd.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <sys/kbio.h>
#include <dev/kbd/kbdreg.h>
#include <dev/kbd/atkbdreg.h>
#include <dev/kbd/atkbdcreg.h>
#include <isa/isareg.h>
#include <isa/isavar.h>
typedef struct {
struct resource *intr;
void *ih;
} atkbd_softc_t;
devclass_t atkbd_devclass;
static void atkbdidentify(driver_t *driver, device_t dev);
static int atkbdprobe(device_t dev);
static int atkbdattach(device_t dev);
static int atkbdresume(device_t dev);
static void atkbd_isa_intr(void *arg);
static device_method_t atkbd_methods[] = {
DEVMETHOD(device_identify, atkbdidentify),
DEVMETHOD(device_probe, atkbdprobe),
DEVMETHOD(device_attach, atkbdattach),
DEVMETHOD(device_resume, atkbdresume),
{ 0, 0 }
};
static driver_t atkbd_driver = {
ATKBD_DRIVER_NAME,
atkbd_methods,
sizeof(atkbd_softc_t),
};
static void
atkbdidentify(driver_t *driver, device_t parent)
{
/* always add at least one child */
BUS_ADD_CHILD(parent, KBDC_RID_KBD, driver->name, device_get_unit(parent));
}
static int
atkbdprobe(device_t dev)
{
struct resource *res;
u_long irq;
int flags;
int rid;
device_set_desc(dev, "AT Keyboard");
/* obtain parameters */
flags = device_get_flags(dev);
/* see if IRQ is available */
rid = KBDC_RID_KBD;
res = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
RF_SHAREABLE | RF_ACTIVE);
if (res == NULL) {
if (bootverbose)
device_printf(dev, "unable to allocate IRQ\n");
return ENXIO;
}
irq = rman_get_start(res);
bus_release_resource(dev, SYS_RES_IRQ, rid, res);
/* probe the device */
return atkbd_probe_unit(device_get_unit(dev),
device_get_unit(device_get_parent(dev)),
irq, flags);
}
static int
atkbdattach(device_t dev)
{
atkbd_softc_t *sc;
keyboard_t *kbd;
u_long irq;
int flags;
int rid;
int error;
sc = device_get_softc(dev);
rid = KBDC_RID_KBD;
irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid);
flags = device_get_flags(dev);
error = atkbd_attach_unit(device_get_unit(dev), &kbd,
device_get_unit(device_get_parent(dev)),
irq, flags);
if (error)
return error;
/* declare our interrupt handler */
sc->intr = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
RF_SHAREABLE | RF_ACTIVE);
if (sc->intr == NULL)
return ENXIO;
error = bus_setup_intr(dev, sc->intr, INTR_TYPE_TTY, atkbd_isa_intr,
kbd, &sc->ih);
if (error)
bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr);
return error;
}
static int
atkbdresume(device_t dev)
{
atkbd_softc_t *sc;
keyboard_t *kbd;
int args[2];
sc = device_get_softc(dev);
kbd = kbd_get_keyboard(kbd_find_keyboard(ATKBD_DRIVER_NAME,
device_get_unit(dev)));
if (kbd) {
kbd->kb_flags &= ~KB_INITIALIZED;
args[0] = device_get_unit(device_get_parent(dev));
args[1] = rman_get_start(sc->intr);
(*kbdsw[kbd->kb_index]->init)(device_get_unit(dev), &kbd,
args, device_get_flags(dev));
(*kbdsw[kbd->kb_index]->clear_state)(kbd);
}
return 0;
}
static void
atkbd_isa_intr(void *arg)
{
keyboard_t *kbd;
kbd = (keyboard_t *)arg;
(*kbdsw[kbd->kb_index]->intr)(kbd, NULL);
}
DRIVER_MODULE(atkbd, atkbdc, atkbd_driver, atkbd_devclass, 0, 0);
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