1d1f4c44aSDmitry Chagin /*- 2*4d846d26SWarner Losh * SPDX-License-Identifier: BSD-2-Clause 3d1f4c44aSDmitry Chagin * 4d1f4c44aSDmitry Chagin * Copyright (C) 2005 TAKAHASHI Yoshihiro. All rights reserved. 5d1f4c44aSDmitry Chagin * 6d1f4c44aSDmitry Chagin * Redistribution and use in source and binary forms, with or without 7d1f4c44aSDmitry Chagin * modification, are permitted provided that the following conditions 8d1f4c44aSDmitry Chagin * are met: 9d1f4c44aSDmitry Chagin * 1. Redistributions of source code must retain the above copyright 10d1f4c44aSDmitry Chagin * notice, this list of conditions and the following disclaimer. 11d1f4c44aSDmitry Chagin * 2. Redistributions in binary form must reproduce the above copyright 12d1f4c44aSDmitry Chagin * notice, this list of conditions and the following disclaimer in the 13d1f4c44aSDmitry Chagin * documentation and/or other materials provided with the distribution. 14d1f4c44aSDmitry Chagin * 15d1f4c44aSDmitry Chagin * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16d1f4c44aSDmitry Chagin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17d1f4c44aSDmitry Chagin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18d1f4c44aSDmitry Chagin * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 19d1f4c44aSDmitry Chagin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20d1f4c44aSDmitry Chagin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21d1f4c44aSDmitry Chagin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22d1f4c44aSDmitry Chagin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23d1f4c44aSDmitry Chagin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24d1f4c44aSDmitry Chagin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25d1f4c44aSDmitry Chagin * SUCH DAMAGE. 26d1f4c44aSDmitry Chagin */ 27d1f4c44aSDmitry Chagin 28d1f4c44aSDmitry Chagin #ifndef _MACHINE_PPIREG_H_ 29d1f4c44aSDmitry Chagin #define _MACHINE_PPIREG_H_ 30d1f4c44aSDmitry Chagin 31d1f4c44aSDmitry Chagin #ifdef _KERNEL 32d1f4c44aSDmitry Chagin 33d1f4c44aSDmitry Chagin #define IO_PPI 0x61 /* Programmable Peripheral Interface */ 34d1f4c44aSDmitry Chagin 35d1f4c44aSDmitry Chagin /* 36d1f4c44aSDmitry Chagin * PPI speaker control values 37d1f4c44aSDmitry Chagin */ 38d1f4c44aSDmitry Chagin 39d1f4c44aSDmitry Chagin #define PIT_ENABLETMR2 0x01 /* Enable timer/counter 2 */ 40d1f4c44aSDmitry Chagin #define PIT_SPKRDATA 0x02 /* Direct to speaker */ 41d1f4c44aSDmitry Chagin 42d1f4c44aSDmitry Chagin #define PIT_SPKR (PIT_ENABLETMR2 | PIT_SPKRDATA) 43d1f4c44aSDmitry Chagin 44d1f4c44aSDmitry Chagin #define ppi_spkr_on() outb(IO_PPI, inb(IO_PPI) | PIT_SPKR) 45d1f4c44aSDmitry Chagin #define ppi_spkr_off() outb(IO_PPI, inb(IO_PPI) & ~PIT_SPKR) 46d1f4c44aSDmitry Chagin 47d1f4c44aSDmitry Chagin #endif /* _KERNEL */ 48d1f4c44aSDmitry Chagin 49d1f4c44aSDmitry Chagin #endif /* _MACHINE_PPIREG_H_ */ 50