touchkit.hh revision 12655:a1646f7c13ab
1/* 2 * Copyright (c) 2010, 2017-2018 ARM Limited 3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software 9 * licensed hereunder. You may use the software subject to the license 10 * terms below provided that you ensure that this notice is replicated 11 * unmodified and in its entirety in all distributions of the software, 12 * modified or unmodified, in source code or in binary form. 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions are 16 * met: redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer; 18 * redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution; 21 * neither the name of the copyright holders nor the names of its 22 * contributors may be used to endorse or promote products derived from 23 * this software without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 36 * 37 * Authors: Andreas Sandberg 38 */ 39 40#ifndef __DEV_PS2_TOUCHKIT_HH__ 41#define __DEV_PS2_TOUCHKIT_HH__ 42 43#include "base/vnc/vncinput.hh" 44#include "dev/ps2/device.hh" 45 46struct PS2TouchKitParams; 47 48class PS2TouchKit : public PS2Device, public VncMouse 49{ 50 protected: 51 static const uint8_t ID[]; 52 53 public: 54 PS2TouchKit(const PS2TouchKitParams *p); 55 56 void serialize(CheckpointOut &cp) const override; 57 void unserialize(CheckpointIn &cp) override; 58 59 protected: // PS2Device 60 void recv(uint8_t data) override; 61 62 public: // VncMouse 63 void mouseAt(uint16_t x, uint16_t y, uint8_t buttons) override; 64 65 protected: 66 /** The vnc server we're connected to (if any) */ 67 VncInput *const vnc; 68 69 /** 70 * If the controller should ignore the next N data bytes and 71 * acknowledge them. This occurs when the driver is attempting to 72 * setup some feature we don't care about. 73 */ 74 int ackNext; 75 76 /** 77 * Has the driver been initialized in TouchKit mode? The model 78 * suppresses touch event generation until this is true. 79 */ 80 bool driverInitialized; 81}; 82 83#endif // __DEV_PS2_TOUCHKIT_HH__ 84 85