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 --- 40 unchanged lines hidden (view full) --- 49#include "dev/ps2.hh" 50#include "params/PS2TouchKit.hh" 51 52const uint8_t PS2TouchKit::ID[] = {0x00}; 53 54PS2TouchKit::PS2TouchKit(const PS2TouchKitParams *p) 55 : PS2Device(p), 56 vnc(p->vnc), |
57 driverInitialized(false) 58{ 59 if (vnc) 60 vnc->setMouse(this); 61} 62 63void 64PS2TouchKit::serialize(CheckpointOut &cp) const 65{ 66 PS2Device::serialize(cp); 67 |
68 SERIALIZE_SCALAR(driverInitialized); 69} 70 71void 72PS2TouchKit::unserialize(CheckpointIn &cp) 73{ 74 PS2Device::unserialize(cp); 75 |
76 UNSERIALIZE_SCALAR(driverInitialized); 77} 78 |
79bool 80PS2TouchKit::recv(const std::vector<uint8_t> &data) |
81{ |
82 switch (data[0]) { |
83 case Ps2::Ps2Reset: 84 sendAck(); 85 send(Ps2::SelfTestPass); |
86 return true; |
87 88 case Ps2::SetResolution: 89 case Ps2::SetRate: 90 case Ps2::SetStatusLed: 91 sendAck(); |
92 return data.size() == 2; |
93 94 case Ps2::ReadId: 95 sendAck(); 96 send((const uint8_t *)&ID, sizeof(ID)); |
97 return true; |
98 99 case Ps2::TpReadId: 100 // We're not a trackpoint device, this should make the probe 101 // go away 102 sendAck(); 103 send(0); 104 send(0); 105 sendAck(); |
106 return true; |
107 108 case Ps2::SetScaling1_1: 109 case Ps2::SetScaling1_2: 110 case Ps2::Disable: 111 case Ps2::Enable: 112 case Ps2::SetDefaults: 113 sendAck(); |
114 return true; |
115 116 case Ps2::StatusRequest: 117 sendAck(); 118 send(0); 119 send(2); // default resolution 120 send(100); // default sample rate |
121 return true; |
122 123 case Ps2::TouchKitId: |
124 sendAck(); |
125 if (data.size() == 1) { 126 send(Ps2::TouchKitId); 127 send(1); 128 send('A'); |
129 |
130 return false; 131 } else if (data.size() == 3) { 132 driverInitialized = true; 133 return true; 134 } else { 135 return false; 136 } |
137 138 default: |
139 panic("Unknown byte received: %d\n", data[0]); |
140 } 141} 142 143void 144PS2TouchKit::mouseAt(uint16_t x, uint16_t y, uint8_t buttons) 145{ 146 // If the driver hasn't initialized the device yet, no need to try and send 147 // it anything. Similarly we can get vnc mouse events orders of magnitude --- 23 unchanged lines hidden --- |