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Diffstat (limited to 'src/dev/ps2.hh')
| -rw-r--r-- | src/dev/ps2.hh | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/dev/ps2.hh b/src/dev/ps2.hh new file mode 100644 index 000000000..73f3f9cd8 --- /dev/null +++ b/src/dev/ps2.hh @@ -0,0 +1,94 @@ +/* + * 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__ |