atkbdc_subr.c

/*-
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * 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.
 *
 *	from: FreeBSD: src/sys/isa/atkbdc_isa.c,v 1.31 2005/05/29 04:42:28 nyan Exp
 */

#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

#include "opt_kbd.h"

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/malloc.h>
#include <machine/resource.h>
#include <sys/rman.h>

#include <dev/atkbdc/atkbdc_subr.h>
#include <dev/atkbdc/atkbdcreg.h>

MALLOC_DEFINE(M_ATKBDDEV, "atkbddev", "AT Keyboard device");

devclass_t atkbdc_devclass;

int
atkbdc_print_child(device_t bus, device_t dev)
{
	atkbdc_device_t *kbdcdev;
	rman_res_t irq;
	int flags;
	int retval = 0;

	kbdcdev = (atkbdc_device_t *)device_get_ivars(dev);

	retval += bus_print_child_header(bus, dev);
	flags = device_get_flags(dev);
	if (flags != 0)
		retval += printf(" flags 0x%x", flags);
	irq = bus_get_resource_start(dev, SYS_RES_IRQ, kbdcdev->rid);
	if (irq != 0)
		retval += printf(" irq %jd", irq);
	retval += bus_print_child_footer(bus, dev);

	return (retval);
}

int
atkbdc_read_ivar(device_t bus, device_t dev, int index, uintptr_t *val)
{
	atkbdc_device_t *ivar;

	ivar = (atkbdc_device_t *)device_get_ivars(dev);
	switch (index) {
	case KBDC_IVAR_VENDORID:
		*val = (u_long)ivar->vendorid;
		break;
	case KBDC_IVAR_SERIAL:
		*val = (u_long)ivar->serial;
		break;
	case KBDC_IVAR_LOGICALID:
		*val = (u_long)ivar->logicalid;
		break;
	case KBDC_IVAR_COMPATID:
		*val = (u_long)ivar->compatid;
		break;
	default:
		return ENOENT;
	}
	return 0;
}

int
atkbdc_write_ivar(device_t bus, device_t dev, int index, uintptr_t val)
{
	atkbdc_device_t *ivar;

	ivar = (atkbdc_device_t *)device_get_ivars(dev);
	switch (index) {
	case KBDC_IVAR_VENDORID:
		ivar->vendorid = (u_int32_t)val;
		break;
	case KBDC_IVAR_SERIAL:
		ivar->serial = (u_int32_t)val;
		break;
	case KBDC_IVAR_LOGICALID:
		ivar->logicalid = (u_int32_t)val;
		break;
	case KBDC_IVAR_COMPATID:
		ivar->compatid = (u_int32_t)val;
		break;
	default:
		return ENOENT;
	}
	return 0;
}

struct resource_list
*atkbdc_get_resource_list(device_t bus, device_t dev)
{
	atkbdc_device_t *ivar;

	ivar = (atkbdc_device_t *)device_get_ivars(dev);
	return &ivar->resources;
}