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/*-
* Copyright (c) 2014 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com>
* 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 ``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>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <machine/vmm.h>
#include <stdio.h>
#include "inout.h"
#include "pci_lpc.h"
#define KBD_DATA_PORT 0x60
#define KBD_STS_CTL_PORT 0x64
#define KBD_SYS_FLAG 0x4
#define KBDC_RESET 0xfe
static int
atkbdc_data_handler(struct vmctx *ctx, int vcpu, int in, int port, int bytes,
uint32_t *eax, void *arg)
{
if (bytes != 1)
return (INOUT_ERROR);
*eax = 0;
return (INOUT_OK);
}
static int
atkbdc_sts_ctl_handler(struct vmctx *ctx, int vcpu, int in, int port,
int bytes, uint32_t *eax, void *arg)
{
int retval;
if (bytes != 1)
return (INOUT_ERROR);
retval = INOUT_OK;
if (in) {
*eax = KBD_SYS_FLAG; /* system passed POST */
} else {
switch (*eax) {
case KBDC_RESET: /* Pulse "reset" line. */
retval = INOUT_RESET;
break;
}
}
return (retval);
}
INOUT_PORT(atkdbc, KBD_DATA_PORT, IOPORT_F_INOUT, atkbdc_data_handler);
SYSRES_IO(KBD_DATA_PORT, 1);
INOUT_PORT(atkbdc, KBD_STS_CTL_PORT, IOPORT_F_INOUT,
atkbdc_sts_ctl_handler);
SYSRES_IO(KBD_STS_CTL_PORT, 1);
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