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      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 #ident	"%Z%%M%	%I%	%E% SMI"
     27 
     28 # When fast-centronics is set to "true", handshaking between the 
     29 # driver and the peripheral is conducted by hardware. For some
     30 # Centronics devices the hardware handshaking is too fast for the
     31 # peripheral.  To slow down the handshaking, fast-centronics must 
     32 # be set to "false". By default fast-centronics is set to "false".
     33 
     34 fast-centronics="false";
     35 
     36 
     37 # When fast-1284-compatible is set to "true", IEEE 1284 compliant
     38 # devices operating in Compatibility mode will have the parallel port 
     39 # handshaking controlled by the hardware.  When it is set to "false" 
     40 # handshaking is PIO controlled by the driver.  By default 
     41 # fast-1284-compatible is set "true".
     42 
     43 fast-1284-compatible="true";
     44 
     45 
     46 # Some Centronics devices require the Init signal to be toggled upon 
     47 # power-up.  The application should do this directly with ioctl(2) interface
     48 # as specified in ecpp(7d). As an alternative to using the API, the driver
     49 # may be configured to toggle the nInit signal upon every time the device 
     50 # is opened. If centronics-init-seq is set to "true" the Init signal 
     51 # will be toggled when the device is opened.  The default is "false".
     52 
     53 centronics-init-seq="false";
     54 
     55 
     56 # When the ecpp driver detects a Centronics device is in an error state,
     57 # ecpp will re-examine the device every centronics-retry milliseconds. 
     58 # The default is 750 milliseconds.
     59 
     60 centronics-retry=750;
     61 
     62 
     63 # Some Centronics printers continue to assert BUSY after the ACK pulse.
     64 # The driver waits for centronics-wait-for-busy microseconds for a 
     65 # desertion of BUSY before it queues the current data transfer.
     66 # The default is 5000 microseconds (5ms). 
     67 
     68 centronics-wait-for-busy=5000;
     69 
     70 
     71 # Devices that are not using fast handshaking may adjust the data setup
     72 # time and the strobe pulse width. The Centronics specification states that 
     73 # each must be at least 1 microsecond.  The default values are set to 
     74 # 2 microseconds to ensure reliable transfers.
     75 
     76 centronics-data-setup-time=2;
     77 centronics-strobe-pulse-width=2;
     78 
     79 # The ecpp driver waits ecpp-transfer-timeout seconds before it aborts
     80 # the current transfer and put the untransferred data back on the queue.
     81 # The default value for ecpp-transfer-timeout is 90 seconds.
     82 
     83 ecpp-transfer-timeout=90;
     84 
     85 # The following note applies to x86 platforms only
     86 # If a system has a standard parallel port, but not enumerated
     87 # in the device tree, you may gain access to the port by uncommenting
     88 # the following lines and run "update_drv ecpp".
     89 #
     90 # name="lp" parent="/isa" interrupts=7 reg=1,0x378,0x8;
     91