1.\" $NetBSD: cpi.4,v 1.8 2017/02/18 22:39:01 wiz Exp $ 2.\" 3.\" Copyright (c) 2008 Hauke Fath. All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24.\" 25.Dd February 17, 2017 26.Dt CPI 4 mac68k 27.Os 28.Sh NAME 29.Nm cpi 30.Nd parallel printer driver for Creative Systems Inc. Hurdler CPI Nubus card 31.\" 32.Sh SYNOPSIS 33.Cd "cpi* at nubus? flags 0x1" 34.\" 35.Sh DESCRIPTION 36The 37.Nm 38interface provides access to parallel printer ports. 39.\" 40.Sh CONFIGURATION 41The 42.Nm 43driver supports the following 44.Sy flags 45for use in 46.Xr config 1 47files: 48.Pp 49.Bl -tag -compact -width "bits 16-23:" 50.It bit 0 : 51use the CIO counters 1 and 2 as a 32 bit 52.Xr timecounter 9 . 53.El 54.\" 55.Sh HARDWARE 56The 57.Nm 58interface supports the Creative Systems Inc. Hurdler CPI Nubus card, 59which is based on a Zilog Z8536 CIO. 60.\" 61.Pp 62The parallel port on the Hurdler CPI card is wired as follows: 63.Bl -column "/STROBE" "Page error" "SubD pin" "Z8536 pin" "Z8536 signal" 64.It Sy "Signal" SubD pin Z8536 pin Z8536 signal 65.It /STROBE Strobe 1 22 PC3 66.It D0 2 33 PA0 67.It \&D1 3 32 PA1 68.It D2 4 31 PA2 69.It D3 5 30 PA3 70.It D4 6 29 PA4 71.It D5 7 28 PA5 72.It D6 8 27 PA6 73.It D7 9 26 PA7 74.It /ACK 10 21 + 11 PC2 + PB3 75.It BUSY 11 19 + 14 PC0 + PB6 76.It PE Paper Error 12 20 PC1 77.It SEL Select 13 13 PB5 78.It /AUTOFD Auto Feed 14 12 PB4 79.It /FAULT 15 9 PB1 80.It /RESET 16 8 PB0 81.It /SELIN Select \&In 17 10 PB2 82.El 83.Pp 84The Z8536 INT line (pin 24) is wired to PB7 (pin 15). 85.\" 86.Sh SEE ALSO 87.Xr lpt 4 , 88.Xr mac68k/autoconf 4 , 89.Xr nubus 4 , 90.Xr printcap 5 , 91.Xr timecounter 9 92.Pp 93.Tn IEEE Standard 1284-1994 94.\" .Sh STANDARDS 95.\" 96.Sh HISTORY 97.Nm 98first appeared in 99.Nx 5.0 . 100.\" 101.Sh AUTHORS 102The 103.Nm 104driver was written by 105.An Hauke Fath 106.Aq hauke@NetBSD.org . 107.\" 108.Sh CAVEATS 109The Hurdler CPI Nubus card does not use a TTL buffer to 110drive the parallel interface. 111Instead, the card's Z8536 CIO drives the printer port directly. 112Printers terminating the parallel interface with less 113than 2 kOhms may cause permanent damage to the Z8536 CIO. 114