mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-24 11:29:10 +00:00
24072ca35b
i8253reg.h, and add some defines to control a speaker.
- Move PPI related defines from i386/isa/spkr.c into ppireg.h and use them.
- Move IO_{PPI,TIMER} defines into ppireg.h and timerreg.h respectively.
- Use isa/isareg.h rather than <arch>/isa/isa.h.
Tested on: i386, pc98
50 lines
1.8 KiB
C
50 lines
1.8 KiB
C
/*-
|
|
* Copyright (C) 2005 TAKAHASHI Yoshihiro. 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 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 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _MACHINE_PPIREG_H_
|
|
#define _MACHINE_PPIREG_H_
|
|
|
|
#ifdef _KERNEL
|
|
|
|
#define IO_PPI 0x61 /* Programmable Peripheral Interface */
|
|
|
|
/*
|
|
* PPI speaker control values
|
|
*/
|
|
|
|
#define PIT_ENABLETMR2 0x01 /* Enable timer/counter 2 */
|
|
#define PIT_SPKRDATA 0x02 /* Direct to speaker */
|
|
|
|
#define PIT_SPKR (PIT_ENABLETMR2 | PIT_SPKRDATA)
|
|
|
|
#define ppi_spkr_on() outb(IO_PPI, inb(IO_PPI) | PIT_SPKR)
|
|
#define ppi_spkr_off() outb(IO_PPI, inb(IO_PPI) & ~PIT_SPKR)
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* _MACHINE_PPIREG_H_ */
|