2011-02-12 01:29:36 +01:00
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/*
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* Copyright (c) 2011 ARM Limited
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* All rights reserved
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*
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* The license below extends only to copyright in the software and shall
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* not be construed as granting a license to any other intellectual
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* property including but not limited to intellectual property relating
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* to a hardware implementation of the functionality of the software
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* licensed hereunder. You may use the software subject to the license
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* terms below provided that you ensure that this notice is replicated
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* unmodified and in its entirety in all distributions of the software,
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* modified or unmodified, in source code or in binary form.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Ali Saidi
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*/
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#ifndef __DEV_PS2_HH__
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#define __DEV_PS2_HH__
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#include <stdint.h>
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#include "base/bitunion.hh"
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/** @file misc functions and constants required to interface with or emulate ps2
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* devices
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*/
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namespace Ps2 {
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enum {
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Ps2Reset = 0xff,
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SelfTestPass = 0xAA,
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SetStatusLed = 0xed,
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SetResolution = 0xe8,
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StatusRequest = 0xe9,
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SetScaling1_2 = 0xe7,
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SetScaling1_1 = 0xe6,
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ReadId = 0xf2,
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TpReadId = 0xe1,
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Ack = 0xfa,
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SetRate = 0xf3,
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Enable = 0xf4,
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2012-06-05 07:23:10 +02:00
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Disable = 0xf5,
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SetDefaults = 0xf6,
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2011-02-12 01:29:36 +01:00
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KeyboardId = 0xab,
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TouchKitId = 0x0a,
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MouseId = 0x00,
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};
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/** A bitfield that represents the first byte of a mouse movement packet
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*/
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BitUnion8(Ps2MouseMovement)
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Bitfield<0> leftButton;
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Bitfield<1> rightButton;
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Bitfield<2> middleButton;
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Bitfield<3> one;
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Bitfield<4> xSign;
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Bitfield<5> ySign;
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Bitfield<6> xOverflow;
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Bitfield<7> yOverflow;
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EndBitUnion(Ps2MouseMovement)
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/** Convert an x11 key symbol into a set of ps2 charecters.
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* @param key x11 key symbol
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* @param down if the key is being pressed or released
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* @param cur_shift if device has already sent a shift
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* @param keys list of keys command to send to emulate the x11 key symbol
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*/
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void keySymToPs2(uint32_t key, bool down, bool &cur_shift,
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std::list<uint8_t> &keys);
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} /* namespace Ps2 */
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#endif // __DEV_PS2_HH__
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