1/* 2 * Copyright (c) 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 * Copyright (c) 2008 The Regents of The University of Michigan 15 * All rights reserved. 16 * 17 * Redistribution and use in source and binary forms, with or without 18 * modification, are permitted provided that the following conditions are 19 * met: redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer; 21 * redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution; 24 * neither the name of the copyright holders nor the names of its 25 * contributors may be used to endorse or promote products derived from 26 * this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 39 * 40 * Authors: Gabe Black 41 * Andreas Sandberg 42 */ 43 44#include "dev/ps2/mouse.hh" 45 46#include "base/logging.hh" 47#include "debug/PS2.hh"
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48#include "dev/ps2/types.hh" |
49#include "params/PS2Mouse.hh" 50
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50const uint8_t PS2Mouse::ID[] = {0x00};
51const uint8_t BatSuccessful = 0xaa;
52
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51PS2Mouse::PS2Mouse(const PS2MouseParams *p) 52 : PS2Device(p), 53 status(0), resolution(4), sampleRate(100) 54{ 55} 56 57bool 58PS2Mouse::recv(const std::vector<uint8_t> &data) 59{ 60 switch (data[0]) {
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63 case Scale1to1:
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61 case Ps2::ReadID: 62 DPRINTF(PS2, "Mouse ID requested.\n"); 63 sendAck(); 64 send(Ps2::Mouse::ID); 65 return true; 66 case Ps2::Disable: 67 DPRINTF(PS2, "Disabling data reporting.\n"); 68 status.enabled = 0; 69 sendAck(); 70 return true; 71 case Ps2::Enable: 72 DPRINTF(PS2, "Enabling data reporting.\n"); 73 status.enabled = 1; 74 sendAck(); 75 return true; 76 case Ps2::Resend: 77 panic("Mouse resend unimplemented.\n"); 78 case Ps2::Reset: 79 DPRINTF(PS2, "Resetting the mouse.\n"); 80 sampleRate = 100; 81 resolution = 4; 82 status.twoToOne = 0; 83 status.enabled = 0; 84 sendAck(); 85 send(Ps2::SelfTestPass); 86 send(Ps2::Mouse::ID); 87 return true; 88 89 case Ps2::Mouse::Scale1to1: |
90 DPRINTF(PS2, "Setting mouse scale to 1:1.\n"); 91 status.twoToOne = 0; 92 sendAck(); 93 return true;
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68 case Scale2to1:
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94 case Ps2::Mouse::Scale2to1: |
95 DPRINTF(PS2, "Setting mouse scale to 2:1.\n"); 96 status.twoToOne = 1; 97 sendAck(); 98 return true;
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73 case SetResolution:
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99 case Ps2::Mouse::SetResolution: |
100 if (data.size() == 1) { 101 DPRINTF(PS2, "Setting mouse resolution.\n"); 102 sendAck(); 103 return false; 104 } else { 105 DPRINTF(PS2, "Mouse resolution set to %d.\n", data[1]); 106 resolution = data[1]; 107 sendAck(); 108 return true; 109 }
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84 case GetStatus:
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110 case Ps2::Mouse::GetStatus: |
111 DPRINTF(PS2, "Getting mouse status.\n"); 112 sendAck(); 113 send((uint8_t *)&(status), 1); 114 send(&resolution, sizeof(resolution)); 115 send(&sampleRate, sizeof(sampleRate)); 116 return true;
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91 case ReadData:
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117 case Ps2::Mouse::ReadData: |
118 panic("Reading mouse data unimplemented.\n");
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93 case ResetWrapMode:
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119 case Ps2::Mouse::ResetWrapMode: |
120 panic("Resetting mouse wrap mode unimplemented.\n");
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95 case WrapMode:
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121 case Ps2::Mouse::WrapMode: |
122 panic("Setting mouse wrap mode unimplemented.\n");
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97 case RemoteMode:
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123 case Ps2::Mouse::RemoteMode: |
124 panic("Setting mouse remote mode unimplemented.\n");
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99 case ReadID:
100 DPRINTF(PS2, "Mouse ID requested.\n");
101 sendAck();
102 send(ID, sizeof(ID));
103 return true;
104 case SampleRate:
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125 case Ps2::Mouse::SampleRate: |
126 if (data.size() == 1) { 127 DPRINTF(PS2, "Setting mouse sample rate.\n"); 128 sendAck(); 129 return false; 130 } else { 131 DPRINTF(PS2, "Mouse sample rate %d samples " 132 "per second.\n", data[1]); 133 sampleRate = data[1]; 134 sendAck(); 135 return true; 136 }
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116 case DisableReporting:
117 DPRINTF(PS2, "Disabling data reporting.\n");
118 status.enabled = 0;
119 sendAck();
120 return true;
121 case EnableReporting:
122 DPRINTF(PS2, "Enabling data reporting.\n");
123 status.enabled = 1;
124 sendAck();
125 return true;
126 case DefaultsAndDisable:
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137 case Ps2::DefaultsAndDisable: |
138 DPRINTF(PS2, "Disabling and resetting mouse.\n"); 139 sampleRate = 100; 140 resolution = 4; 141 status.twoToOne = 0; 142 status.enabled = 0; 143 sendAck(); 144 return true;
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134 case Resend:
135 panic("Mouse resend unimplemented.\n");
136 case Reset:
137 DPRINTF(PS2, "Resetting the mouse.\n");
138 sampleRate = 100;
139 resolution = 4;
140 status.twoToOne = 0;
141 status.enabled = 0;
142 sendAck();
143 send(&BatSuccessful, sizeof(BatSuccessful));
144 send(ID, sizeof(ID));
145 return true;
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145 default: 146 warn("Unknown mouse command %#02x.\n", data[0]);
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148 send(Resend);
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147 send(Ps2::Resend); |
148 return true; 149 } 150} 151 152void 153PS2Mouse::serialize(CheckpointOut &cp) const 154{ 155 PS2Device::serialize(cp); 156 157 SERIALIZE_SCALAR(status); 158 SERIALIZE_SCALAR(resolution); 159 SERIALIZE_SCALAR(sampleRate); 160} 161 162void 163PS2Mouse::unserialize(CheckpointIn &cp) 164{ 165 PS2Device::unserialize(cp); 166 167 UNSERIALIZE_SCALAR(status); 168 UNSERIALIZE_SCALAR(resolution); 169 UNSERIALIZE_SCALAR(sampleRate); 170} 171 172PS2Mouse * 173PS2MouseParams::create() 174{ 175 return new PS2Mouse(this); 176}
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