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 enabled(false), touchKitEnabled(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(enabled); 69 SERIALIZE_SCALAR(touchKitEnabled); |
70} 71 72void 73PS2TouchKit::unserialize(CheckpointIn &cp) 74{ 75 PS2Device::unserialize(cp); 76 |
77 UNSERIALIZE_SCALAR(enabled); 78 UNSERIALIZE_SCALAR(touchKitEnabled); |
79} 80 81bool 82PS2TouchKit::recv(const std::vector<uint8_t> &data) 83{ 84 switch (data[0]) { 85 case Ps2::Ps2Reset: |
86 DPRINTF(PS2, "Resetting device.\n"); 87 enabled = false; 88 touchKitEnabled = false; |
89 sendAck(); 90 send(Ps2::SelfTestPass); 91 return true; 92 93 case Ps2::SetResolution: 94 case Ps2::SetRate: 95 case Ps2::SetStatusLed: 96 sendAck(); --- 10 unchanged lines hidden (view full) --- 107 sendAck(); 108 send(0); 109 send(0); 110 sendAck(); 111 return true; 112 113 case Ps2::SetScaling1_1: 114 case Ps2::SetScaling1_2: |
115 sendAck(); 116 return true; 117 |
118 case Ps2::Disable: |
119 DPRINTF(PS2, "Disabling device.\n"); 120 enabled = false; 121 sendAck(); 122 return true; 123 |
124 case Ps2::Enable: |
125 DPRINTF(PS2, "Enabling device.\n"); 126 enabled = true; 127 sendAck(); 128 return true; 129 |
130 case Ps2::SetDefaults: |
131 DPRINTF(PS2, "Setting defaults and disabling device.\n"); 132 enabled = false; |
133 sendAck(); 134 return true; 135 136 case Ps2::StatusRequest: 137 sendAck(); 138 send(0); 139 send(2); // default resolution 140 send(100); // default sample rate 141 return true; 142 143 case Ps2::TouchKitId: |
144 return recvTouchKit(data); |
145 |
146 default: 147 panic("Unknown byte received: %#x\n", data[0]); 148 } 149} |
150 |
151bool 152PS2TouchKit::recvTouchKit(const std::vector<uint8_t> &data) 153{ 154 // Ack all incoming bytes 155 sendAck(); 156 157 // Packet format is: 0x0A SIZE CMD DATA 158 assert(data[0] == Ps2::TouchKitId); 159 if (data.size() < 3 || data.size() - 2 < data[1]) 160 return false; 161 162 const uint8_t len = data[1]; 163 const uint8_t cmd = data[2]; 164 165 // We have received at least one TouchKit diagnostic 166 // command. Enabled TouchKit reports. 167 touchKitEnabled = true; 168 169 170 switch (cmd) { 171 case TouchKitActive: 172 warn_if(len != 1, "Unexpected activate packet length: %u\n", len); 173 sendTouchKit('A'); 174 return true; 175 |
176 default: |
177 panic("Unimplemented touchscreen command: %#x\n", cmd); |
178 } 179} 180 181void |
182PS2TouchKit::sendTouchKit(const uint8_t *data, size_t size) 183{ 184 send(Ps2::TouchKitId); 185 send(size); 186 for (int i = 0; i < size; ++i) 187 send(data[i]); 188} 189 190 191void |
192PS2TouchKit::mouseAt(uint16_t x, uint16_t y, uint8_t buttons) 193{ 194 // If the driver hasn't initialized the device yet, no need to try and send 195 // it anything. Similarly we can get vnc mouse events orders of magnitude 196 // faster than m5 can process them. Only queue up two sets mouse movements 197 // and don't add more until those are processed. |
198 if (!enabled || !touchKitEnabled || sendPending() > 10) |
199 return; 200 201 // Convert screen coordinates to touchpad coordinates 202 const uint16_t _x = (2047.0 / vnc->videoWidth()) * x; 203 const uint16_t _y = (2047.0 / vnc->videoHeight()) * y; 204 205 const uint8_t resp[] = { 206 buttons, --- 12 unchanged lines hidden --- |