Annotation of sys/arch/hp300/dev/apci_subr.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: apci_subr.c,v 1.1 2005/04/22 11:59:11 miod Exp $ */
! 2:
! 3: /*-
! 4: * Copyright (c) 1996, 1997, 1999 The NetBSD Foundation, Inc.
! 5: * All rights reserved.
! 6: *
! 7: * This code is derived from software contributed to The NetBSD Foundation
! 8: * by Jason R. Thorpe.
! 9: *
! 10: * Redistribution and use in source and binary forms, with or without
! 11: * modification, are permitted provided that the following conditions
! 12: * are met:
! 13: * 1. Redistributions of source code must retain the above copyright
! 14: * notice, this list of conditions and the following disclaimer.
! 15: * 2. Redistributions in binary form must reproduce the above copyright
! 16: * notice, this list of conditions and the following disclaimer in the
! 17: * documentation and/or other materials provided with the distribution.
! 18: * 3. All advertising materials mentioning features or use of this software
! 19: * must display the following acknowledgement:
! 20: * This product includes software developed by the NetBSD
! 21: * Foundation, Inc. and its contributors.
! 22: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 23: * contributors may be used to endorse or promote products derived
! 24: * from this software without specific prior written permission.
! 25: *
! 26: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 27: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 28: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 29: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 30: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 31: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 32: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 33: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 34: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 35: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 36: * POSSIBILITY OF SUCH DAMAGE.
! 37: */
! 38:
! 39: /*
! 40: * Copyright (c) 1997 Michael Smith. All rights reserved.
! 41: * Copyright (c) 1982, 1986, 1990, 1993
! 42: * The Regents of the University of California. All rights reserved.
! 43: *
! 44: * Redistribution and use in source and binary forms, with or without
! 45: * modification, are permitted provided that the following conditions
! 46: * are met:
! 47: * 1. Redistributions of source code must retain the above copyright
! 48: * notice, this list of conditions and the following disclaimer.
! 49: * 2. Redistributions in binary form must reproduce the above copyright
! 50: * notice, this list of conditions and the following disclaimer in the
! 51: * documentation and/or other materials provided with the distribution.
! 52: * 3. Neither the name of the University nor the names of its contributors
! 53: * may be used to endorse or promote products derived from this software
! 54: * without specific prior written permission.
! 55: *
! 56: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 57: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 58: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 59: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 60: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 61: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 62: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 63: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 64: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 65: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 66: * SUCH DAMAGE.
! 67: *
! 68: * @(#)dca.c 8.2 (Berkeley) 1/12/94
! 69: */
! 70:
! 71: /*
! 72: * Routines shared by the apci and dnkbd drivers.
! 73: */
! 74:
! 75: #include <sys/param.h>
! 76: #include <sys/systm.h>
! 77: #include <sys/tty.h>
! 78: #include <sys/kernel.h>
! 79:
! 80: #include <hp300/dev/apcireg.h>
! 81: #include <hp300/dev/apcivar.h>
! 82: #include <hp300/dev/dcareg.h>
! 83:
! 84: const struct speedtab apcispeedtab[] = {
! 85: { 0, 0 },
! 86: { 50, APCIBRD(50) },
! 87: { 75, APCIBRD(75) },
! 88: { 110, APCIBRD(110) },
! 89: { 134, APCIBRD(134) },
! 90: { 150, APCIBRD(150) },
! 91: { 200, APCIBRD(200) },
! 92: { 300, APCIBRD(300) },
! 93: { 600, APCIBRD(600) },
! 94: { 1200, APCIBRD(1200) },
! 95: { 1800, APCIBRD(1800) },
! 96: { 2400, APCIBRD(2400) },
! 97: { 4800, APCIBRD(4800) },
! 98: { 9600, APCIBRD(9600) },
! 99: { 19200, APCIBRD(19200) },
! 100: { 38400, APCIBRD(38400) },
! 101: { -1, -1 },
! 102: };
! 103:
! 104: int
! 105: apciinit(struct apciregs *apci, u_int16_t rate, u_int16_t cfcr)
! 106: {
! 107: int s, stat;
! 108:
! 109: s = splhigh();
! 110:
! 111: rate = ttspeedtab(rate, apcispeedtab);
! 112:
! 113: apci->ap_cfcr = CFCR_DLAB;
! 114: apci->ap_data = rate & 0xff;
! 115: apci->ap_ier = (rate >> 8) & 0xff;
! 116: apci->ap_cfcr = cfcr;
! 117: apci->ap_ier = IER_ERXRDY | IER_ETXRDY;
! 118: apci->ap_fifo =
! 119: FIFO_ENABLE | FIFO_RCV_RST | FIFO_XMT_RST | FIFO_TRIGGER_1;
! 120: apci->ap_mcr = MCR_DTR | MCR_RTS;
! 121: delay(100);
! 122: stat = apci->ap_iir;
! 123: splx(s);
! 124:
! 125: return (stat);
! 126: }
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