1  h0 File not found.   File not found. + l4( (  fB- 6_I|+? #ifndef _HIL_H_ #define _HIL_H_ /* * Hewlett Packard Human Interface Loop (HP-HIL) Protocol -- header. * * Copyright (c) 2001 Brian S. Julin * 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, * without modification. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the * GNU General Public License ("GPL"). * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 * * References: * HP-HIL Technical Reference Manual. Hewlett Packard Product No. 45918A * * A note of thanks to HP for providing and shipping reference materials * free of charge to help in the development of HIL support for Linux. * */ #include /* Physical constants relevant to raw loop/device timing. */ #define HIL_CLOCK 8MHZ #define HIL_EK1_CLOCK 30HZ #define HIL_EK2_CLOCK 60HZ #define HIL_TIMEOUT_DEV 5 /* ms */ #define HIL_TIMEOUT_DEVS 10 /* ms */ #define HIL_TIMEOUT_NORESP 10 /* ms */ #define HIL_TIMEOUT_DEVS_DATA 16 /* ms */ #define HIL_TIMEOUT_SELFTEST 200 /* ms */ /* Actual wire line coding. These will only be useful if someone is * implementing a software MLC to run HIL devices on a non-parisc machine. */ #define HIL_WIRE_PACKET_LEN 15 enum hil_wire_bitpos { HIL_WIRE_START = 0, HIL_WIRE_ADDR2, HIL_WIRE_ADDR1, HIL_WIRE_ADDR0, HIL_WIRE_COMMAND, HIL_WIRE_DATA7, HIL_WIRE_DATA6, HIL_WIRE_DATA5, HIL_WIRE_DATA4, HIL_WIRE_DATA3, HIL_WIRE_DATA2, HIL_WIRE_DATA1, HIL_WIRE_DATA0, HIL_WIRE_PARITY, HIL_WIRE_STOP }; /* HP documentation uses these bit positions to refer to commands; * we will call these "packets". */ enum hil_pkt_bitpos { HIL_PKT_CMD = 0x00000800, HIL_PKT_ADDR2 = 0x00000400, HIL_PKT_ADDR1 = 0x00000200, HIL_PKT_ADDR0 = 0x00000100, HIL_PKT_ADDR_MASK = 0x00000700, HIL_PKT_ADDR_SHIFT = 8, HIL_PKT_DATA7 = 0x00000080, HIL_PKT_DATA6 = 0x00000040, HIL_PKT_DATA5 = 0x00000020, HIL_PKT_DATA4 = 0x00000010, HIL_PKT_DATA3 = 0x00000008, HIL_PKT_DATA2 = 0x00000004, HIL_PKT_DATA1 = 0x00000002, HIL_PKT_DATA0 = 0x00000001, HIL_PKT_DATA_MASK = 0x000000FF, HIL_PKT_DATA_SHIFT = 0 }; /* The HIL MLC also has several error/status/control bits. We extend the * "packet" to include these when direct access to the MLC is available, * or emulate them in cases where they are not available. * * This way the device driver knows that the underlying MLC driver * has had to deal with loop errors. */ enum hil_error_bitpos { HIL_ERR_OB = 0x00000800, /* MLC is busy sending an auto-poll, or we have filled up the output buffer and must wait. */ HIL_ERR_INT = 0x00010000, /* A normal interrupt has occurred. */ HIL_ERR_NMI = 0x00020000, /* An NMI has occurred. */ HIL_ERR_LERR = 0x00040000, /* A poll didn't come back. */ HIL_ERR_PERR = 0x01000000, /* There was a Parity Error. */ HIL_ERR_FERR = 0x02000000, /* There was a Framing Error. */ HIL_ERR_FOF =