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

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40 * Authors: Gabe Black
41 * Andreas Sandberg
42 */
43
44#include "dev/ps2/keyboard.hh"
45
46#include "base/logging.hh"
47#include "debug/PS2.hh"
48#include "dev/ps2.hh"
49#include "params/PS2Keyboard.hh"
50
51const uint8_t PS2Keyboard::ID[] = {0xab, 0x83};
52
53PS2Keyboard::PS2Keyboard(const PS2KeyboardParams *p)
54 : PS2Device(p),
55 shiftDown(false),
56 enabled(false)
57{
58 if (p->vnc)
59 p->vnc->setKeyboard(this);
60}

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74 UNSERIALIZE_SCALAR(shiftDown);
75 UNSERIALIZE_SCALAR(enabled);
76}
77
78bool
79PS2Keyboard::recv(const std::vector<uint8_t> &data)
80{
81 switch (data[0]) {
82 case LEDWrite:
83 if (data.size() == 1) {
84 DPRINTF(PS2, "Got LED write command.\n");
85 sendAck();
86 return false;
87 } else {
88 DPRINTF(PS2, "Setting LEDs: "
89 "caps lock %s, num lock %s, scroll lock %s\n",
90 bits(data[1], 2) ? "on" : "off",
91 bits(data[1], 1) ? "on" : "off",
92 bits(data[1], 0) ? "on" : "off");
93 sendAck();
94 return true;
95 }
96 case DiagnosticEcho:
97 panic("Keyboard diagnostic echo unimplemented.\n");
98 case AlternateScanCodes:
99 panic("Accessing alternate scan codes unimplemented.\n");
100 case ReadID:
101 DPRINTF(PS2, "Got keyboard read ID command.\n");
102 sendAck();
103 send((uint8_t *)&ID, sizeof(ID));
104 return true;
105 case TypematicInfo:
106 if (data.size() == 1) {
107 DPRINTF(PS2, "Setting typematic info.\n");
108 sendAck();
109 return false;
110 } else {
111 DPRINTF(PS2, "Setting typematic info to %#02x.\n", data[1]);
112 sendAck();
113 return true;
114 }
115 case Enable:
116 DPRINTF(PS2, "Enabling the keyboard.\n");
117 enabled = true;
118 sendAck();
119 return true;
120 case Disable:
121 DPRINTF(PS2, "Disabling the keyboard.\n");
122 enabled = false;
123 sendAck();
124 return true;
125 case DefaultsAndDisable:
126 DPRINTF(PS2, "Disabling and resetting the keyboard.\n");
127 enabled = false;
128 sendAck();
129 return true;
130 case Reset:
131 DPRINTF(PS2, "Resetting keyboard.\n");
132 sendAck();
133 enabled = true;
134 send(Ps2::SelfTestPass);
135 return true;
136 case AllKeysToTypematic:
137 panic("Setting all keys to typemantic unimplemented.\n");
138 case AllKeysToMakeRelease:
139 panic("Setting all keys to make/release unimplemented.\n");
140 case AllKeysToMake:
141 panic("Setting all keys to make unimplemented.\n");
142 case AllKeysToTypematicMakeRelease:
143 panic("Setting all keys to "
144 "typematic/make/release unimplemented.\n");
145 case KeyToTypematic:
146 panic("Setting a key to typematic unimplemented.\n");
147 case KeyToMakeRelease:
148 panic("Setting a key to make/release unimplemented.\n");
149 case KeyToMakeOnly:
150 panic("Setting key to make only unimplemented.\n");
151 case Resend:
152 panic("Keyboard resend unimplemented.\n");
153 default:
154 panic("Unknown keyboard command %#02x.\n", data[0]);
155 }
156}
157
158void
159PS2Keyboard::keyPress(uint32_t key, bool down)
160{

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