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/* $OpenBSD: apci_subr.c,v 1.2 2008/06/26 05:42:10 ray Exp $ */
/*-
* Copyright (c) 1996, 1997, 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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 NETBSD FOUNDATION, INC. 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 THE FOUNDATION 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.
*/
/*
* Copyright (c) 1997 Michael Smith. All rights reserved.
* Copyright (c) 1982, 1986, 1990, 1993
* The Regents of the University of California. 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.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 THE REGENTS 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.
*
* @(#)dca.c 8.2 (Berkeley) 1/12/94
*/
/*
* Routines shared by the apci and dnkbd drivers.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/tty.h>
#include <sys/kernel.h>
#include <hp300/dev/apcireg.h>
#include <hp300/dev/apcivar.h>
#include <hp300/dev/dcareg.h>
const struct speedtab apcispeedtab[] = {
{ 0, 0 },
{ 50, APCIBRD(50) },
{ 75, APCIBRD(75) },
{ 110, APCIBRD(110) },
{ 134, APCIBRD(134) },
{ 150, APCIBRD(150) },
{ 200, APCIBRD(200) },
{ 300, APCIBRD(300) },
{ 600, APCIBRD(600) },
{ 1200, APCIBRD(1200) },
{ 1800, APCIBRD(1800) },
{ 2400, APCIBRD(2400) },
{ 4800, APCIBRD(4800) },
{ 9600, APCIBRD(9600) },
{ 19200, APCIBRD(19200) },
{ 38400, APCIBRD(38400) },
{ -1, -1 },
};
int
apciinit(struct apciregs *apci, u_int16_t rate, u_int16_t cfcr)
{
int s, stat;
s = splhigh();
rate = ttspeedtab(rate, apcispeedtab);
apci->ap_cfcr = CFCR_DLAB;
apci->ap_data = rate & 0xff;
apci->ap_ier = (rate >> 8) & 0xff;
apci->ap_cfcr = cfcr;
apci->ap_ier = IER_ERXRDY | IER_ETXRDY;
apci->ap_fifo =
FIFO_ENABLE | FIFO_RCV_RST | FIFO_XMT_RST | FIFO_TRIGGER_1;
apci->ap_mcr = MCR_DTR | MCR_RTS;
delay(100);
stat = apci->ap_iir;
splx(s);
return (stat);
}
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