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/*
* Copyright (c) 2011 ARM Limited
* All rights reserved
*
* The license below extends only to copyright in the software and shall
* not be construed as granting a license to any other intellectual
* property including but not limited to intellectual property relating
* to a hardware implementation of the functionality of the software
* licensed hereunder. You may use the software subject to the license
* terms below provided that you ensure that this notice is replicated
* unmodified and in its entirety in all distributions of the software,
* modified or unmodified, in source code or in binary form.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
* OWNER 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 OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Ali Saidi
*/
#ifndef __DEV_PS2_HH__
#define __DEV_PS2_HH__
#include <stdint.h>
#include "base/bitunion.hh"
/** @file misc functions and constants required to interface with or emulate ps2
* devices
*/
namespace Ps2 {
enum {
Ps2Reset = 0xff,
SelfTestPass = 0xAA,
SetStatusLed = 0xed,
SetResolution = 0xe8,
StatusRequest = 0xe9,
SetScaling1_2 = 0xe7,
SetScaling1_1 = 0xe6,
ReadId = 0xf2,
TpReadId = 0xe1,
Ack = 0xfa,
SetRate = 0xf3,
Enable = 0xf4,
Disable = 0xf6,
KeyboardId = 0xab,
TouchKitId = 0x0a,
MouseId = 0x00,
};
/** A bitfield that represents the first byte of a mouse movement packet
*/
BitUnion8(Ps2MouseMovement)
Bitfield<0> leftButton;
Bitfield<1> rightButton;
Bitfield<2> middleButton;
Bitfield<3> one;
Bitfield<4> xSign;
Bitfield<5> ySign;
Bitfield<6> xOverflow;
Bitfield<7> yOverflow;
EndBitUnion(Ps2MouseMovement)
/** Convert an x11 key symbol into a set of ps2 charecters.
* @param key x11 key symbol
* @param down if the key is being pressed or released
* @param cur_shift if device has already sent a shift
* @param keys list of keys command to send to emulate the x11 key symbol
*/
void keySymToPs2(uint32_t key, bool down, bool &cur_shift,
std::list<uint8_t> &keys);
} /* namespace Ps2 */
#endif // __DEV_PS2_HH__
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