1# 2# CDDL HEADER START 3# 4# The contents of this file are subject to the terms of the 5# Common Development and Distribution License (the "License"). 6# You may not use this file except in compliance with the License. 7# 8# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9# or http://www.opensolaris.org/os/licensing. 10# See the License for the specific language governing permissions 11# and limitations under the License. 12# 13# When distributing Covered Code, include this CDDL HEADER in each 14# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15# If applicable, add the following below this CDDL HEADER, with the 16# fields enclosed by brackets "[]" replaced with your own identifying 17# information: Portions Copyright [yyyy] [name of copyright owner] 18# 19# CDDL HEADER END 20# 21# 22# Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23# Use is subject to license terms. 24# 25# 26 27# When fast-centronics is set to "true", handshaking between the 28# driver and the peripheral is conducted by hardware. For some 29# Centronics devices the hardware handshaking is too fast for the 30# peripheral. To slow down the handshaking, fast-centronics must 31# be set to "false". By default fast-centronics is set to "false". 32 33fast-centronics="false"; 34 35 36# When fast-1284-compatible is set to "true", IEEE 1284 compliant 37# devices operating in Compatibility mode will have the parallel port 38# handshaking controlled by the hardware. When it is set to "false" 39# handshaking is PIO controlled by the driver. By default 40# fast-1284-compatible is set "true". 41 42fast-1284-compatible="true"; 43 44 45# Some Centronics devices require the Init signal to be toggled upon 46# power-up. The application should do this directly with ioctl(2) interface 47# as specified in ecpp(4D). As an alternative to using the API, the driver 48# may be configured to toggle the nInit signal upon every time the device 49# is opened. If centronics-init-seq is set to "true" the Init signal 50# will be toggled when the device is opened. The default is "false". 51 52centronics-init-seq="false"; 53 54 55# When the ecpp driver detects a Centronics device is in an error state, 56# ecpp will re-examine the device every centronics-retry milliseconds. 57# The default is 750 milliseconds. 58 59centronics-retry=750; 60 61 62# Some Centronics printers continue to assert BUSY after the ACK pulse. 63# The driver waits for centronics-wait-for-busy microseconds for a 64# desertion of BUSY before it queues the current data transfer. 65# The default is 5000 microseconds (5ms). 66 67centronics-wait-for-busy=5000; 68 69 70# Devices that are not using fast handshaking may adjust the data setup 71# time and the strobe pulse width. The Centronics specification states that 72# each must be at least 1 microsecond. The default values are set to 73# 2 microseconds to ensure reliable transfers. 74 75centronics-data-setup-time=2; 76centronics-strobe-pulse-width=2; 77 78# The ecpp driver waits ecpp-transfer-timeout seconds before it aborts 79# the current transfer and put the untransferred data back on the queue. 80# The default value for ecpp-transfer-timeout is 90 seconds. 81 82ecpp-transfer-timeout=90; 83 84# The following note applies to x86 platforms only 85# If a system has a standard parallel port, but not enumerated 86# in the device tree, you may gain access to the port by uncommenting 87# the following lines and run "update_drv ecpp". 88# 89# name="lp" parent="/isa" interrupts=7 reg=1,0x378,0x8; 90