freebsd-nq/sys/dev/kbd/atkbdreg.h
John Baldwin f5517dc887 Add a new flag to the atkbd(4) driver to disable testing the keyboard
port during the device probe as this can cause hangs on some machines,
specifically Compaq R3000Z series amd64 laptops.  The flag is bit 3, or
0x8.

PR:		amd64/67745
Reported by:	Neil Winterbauer newntrbr at ucla dot edu, many others
Tested by:	ade, astrodog at gmail dot com, many others
MFC after:	1 week
2004-12-15 23:00:47 +00:00

49 lines
2.0 KiB
C

/*-
* 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.
*
* $FreeBSD$
*/
#ifndef _DEV_KBD_ATKBDREG_H_
#define _DEV_KBD_ATKBDREG_H_
#define ATKBD_DRIVER_NAME "atkbd"
/* device configuration flags (atkbdprobe, atkbdattach) */
#define KB_CONF_FAIL_IF_NO_KBD (1 << 0) /* don't install if no kbd is found */
#define KB_CONF_NO_RESET (1 << 1) /* don't reset the keyboard */
#define KB_CONF_ALT_SCANCODESET (1 << 2) /* assume the XT type keyboard */
#define KB_CONF_NO_PROBE_TEST (1 << 3) /* don't test keyboard during probe */
#ifdef _KERNEL
int atkbd_probe_unit(int unit, int ctlr, int irq, int flags);
int atkbd_attach_unit(int unit, keyboard_t **kbd,
int ctlr, int irq, int flags);
#endif
#endif /* !_DEV_KBD_ATKBDREG_H_ */