1/*
2 * Copyright (c) 2008 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Gabe Black
29 */
30
31#ifndef __DEV_X86_I8042_HH__
32#define __DEV_X86_I8042_HH__
33
34#include "dev/io_device.hh"
35#include "dev/x86/intdev.hh"
36#include "params/I8042.hh"
37
38#include <queue>
39
40namespace X86ISA
41{
42
43class IntPin;
44
45class PS2Device
46{
47 protected:
48 std::queue<uint8_t> outBuffer;
49
50 static const uint16_t NoCommand = (uint16_t)(-1);
51
52 uint16_t lastCommand;
53 void bufferData(const uint8_t *data, int size);
54 void ack();
55 void nack();
56
57 public:
58 virtual ~PS2Device()
59 {};
60
61 PS2Device() : lastCommand(NoCommand)
62 {}
63
64 bool hasData()
65 {
66 return !outBuffer.empty();
67 }
68
69 uint8_t getData()
70 {
71 uint8_t data = outBuffer.front();
72 outBuffer.pop();
73 return data;
74 }
75
76 virtual bool processData(uint8_t data) = 0;
77};
78
79class PS2Mouse : public PS2Device
80{
81 protected:
82 static const uint8_t ID[];
83
84 enum Command
85 {
86 Scale1to1 = 0xE6,
87 Scale2to1 = 0xE7,
88 SetResolution = 0xE8,
89 GetStatus = 0xE9,
90 ReadData = 0xEB,
91 ResetWrapMode = 0xEC,
92 WrapMode = 0xEE,
93 RemoteMode = 0xF0,
94 ReadID = 0xF2,
95 SampleRate = 0xF3,
96 EnableReporting = 0xF4,
97 DisableReporting = 0xF5,
98 DefaultsAndDisable = 0xF6,
99 Resend = 0xFE,
100 Reset = 0xFF
101 };
102
103 BitUnion8(Status)
104 Bitfield<6> remote;
105 Bitfield<5> enabled;
106 Bitfield<4> twoToOne;
107 Bitfield<2> leftButton;
108 Bitfield<0> rightButton;
109 EndBitUnion(Status)
110
111 Status status;
112 uint8_t resolution;
113 uint8_t sampleRate;
114 public:
115 PS2Mouse() : PS2Device(), status(0), resolution(4), sampleRate(100)
116 {}
117
118 bool processData(uint8_t data);
| 1/*
2 * Copyright (c) 2008 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Gabe Black
29 */
30
31#ifndef __DEV_X86_I8042_HH__
32#define __DEV_X86_I8042_HH__
33
34#include "dev/io_device.hh"
35#include "dev/x86/intdev.hh"
36#include "params/I8042.hh"
37
38#include <queue>
39
40namespace X86ISA
41{
42
43class IntPin;
44
45class PS2Device
46{
47 protected:
48 std::queue<uint8_t> outBuffer;
49
50 static const uint16_t NoCommand = (uint16_t)(-1);
51
52 uint16_t lastCommand;
53 void bufferData(const uint8_t *data, int size);
54 void ack();
55 void nack();
56
57 public:
58 virtual ~PS2Device()
59 {};
60
61 PS2Device() : lastCommand(NoCommand)
62 {}
63
64 bool hasData()
65 {
66 return !outBuffer.empty();
67 }
68
69 uint8_t getData()
70 {
71 uint8_t data = outBuffer.front();
72 outBuffer.pop();
73 return data;
74 }
75
76 virtual bool processData(uint8_t data) = 0;
77};
78
79class PS2Mouse : public PS2Device
80{
81 protected:
82 static const uint8_t ID[];
83
84 enum Command
85 {
86 Scale1to1 = 0xE6,
87 Scale2to1 = 0xE7,
88 SetResolution = 0xE8,
89 GetStatus = 0xE9,
90 ReadData = 0xEB,
91 ResetWrapMode = 0xEC,
92 WrapMode = 0xEE,
93 RemoteMode = 0xF0,
94 ReadID = 0xF2,
95 SampleRate = 0xF3,
96 EnableReporting = 0xF4,
97 DisableReporting = 0xF5,
98 DefaultsAndDisable = 0xF6,
99 Resend = 0xFE,
100 Reset = 0xFF
101 };
102
103 BitUnion8(Status)
104 Bitfield<6> remote;
105 Bitfield<5> enabled;
106 Bitfield<4> twoToOne;
107 Bitfield<2> leftButton;
108 Bitfield<0> rightButton;
109 EndBitUnion(Status)
110
111 Status status;
112 uint8_t resolution;
113 uint8_t sampleRate;
114 public:
115 PS2Mouse() : PS2Device(), status(0), resolution(4), sampleRate(100)
116 {}
117
118 bool processData(uint8_t data);
|
| 119
120 void serialize(const std::string &base, std::ostream &os);
121 void unserialize(const std::string &base, Checkpoint *cp,
122 const std::string §ion);
|
119};
120
121class PS2Keyboard : public PS2Device
122{
123 protected:
124 static const uint8_t ID[];
125
126 enum Command
127 {
128 LEDWrite = 0xED,
129 DiagnosticEcho = 0xEE,
130 AlternateScanCodes = 0xF0,
131 ReadID = 0xF2,
132 TypematicInfo = 0xF3,
133 Enable = 0xF4,
134 Disable = 0xF5,
135 DefaultsAndDisable = 0xF6,
136 AllKeysToTypematic = 0xF7,
137 AllKeysToMakeRelease = 0xF8,
138 AllKeysToMake = 0xF9,
139 AllKeysToTypematicMakeRelease = 0xFA,
140 KeyToTypematic = 0xFB,
141 KeyToMakeRelease = 0xFC,
142 KeyToMakeOnly = 0xFD,
143 Resend = 0xFE,
144 Reset = 0xFF
145 };
146
147 public:
148 bool processData(uint8_t data);
| 123};
124
125class PS2Keyboard : public PS2Device
126{
127 protected:
128 static const uint8_t ID[];
129
130 enum Command
131 {
132 LEDWrite = 0xED,
133 DiagnosticEcho = 0xEE,
134 AlternateScanCodes = 0xF0,
135 ReadID = 0xF2,
136 TypematicInfo = 0xF3,
137 Enable = 0xF4,
138 Disable = 0xF5,
139 DefaultsAndDisable = 0xF6,
140 AllKeysToTypematic = 0xF7,
141 AllKeysToMakeRelease = 0xF8,
142 AllKeysToMake = 0xF9,
143 AllKeysToTypematicMakeRelease = 0xFA,
144 KeyToTypematic = 0xFB,
145 KeyToMakeRelease = 0xFC,
146 KeyToMakeOnly = 0xFD,
147 Resend = 0xFE,
148 Reset = 0xFF
149 };
150
151 public:
152 bool processData(uint8_t data);
|
| 153
154 void serialize(const std::string &base, std::ostream &os);
155 void unserialize(const std::string &base, Checkpoint *cp,
156 const std::string §ion);
|
149};
150
151class I8042 : public BasicPioDevice
152{
153 protected:
154 enum Command
155 {
156 GetCommandByte = 0x20,
157 ReadControllerRamBase = 0x20,
158 WriteCommandByte = 0x60,
159 WriteControllerRamBase = 0x60,
160 CheckForPassword = 0xA4,
161 LoadPassword = 0xA5,
162 CheckPassword = 0xA6,
163 DisableMouse = 0xA7,
164 EnableMouse = 0xA8,
165 TestMouse = 0xA9,
166 SelfTest = 0xAA,
167 InterfaceTest = 0xAB,
168 DiagnosticDump = 0xAC,
169 DisableKeyboard = 0xAD,
170 EnableKeyboard = 0xAE,
171 ReadInputPort = 0xC0,
172 ContinuousPollLow = 0xC1,
173 ContinuousPollHigh = 0xC2,
174 ReadOutputPort = 0xD0,
175 WriteOutputPort = 0xD1,
176 WriteKeyboardOutputBuff = 0xD2,
177 WriteMouseOutputBuff = 0xD3,
178 WriteToMouse = 0xD4,
179 DisableA20 = 0xDD,
180 EnableA20 = 0xDF,
181 ReadTestInputs = 0xE0,
182 PulseOutputBitBase = 0xF0,
183 SystemReset = 0xFE
184 };
185
186 BitUnion8(StatusReg)
187 Bitfield<7> parityError;
188 Bitfield<6> timeout;
189 Bitfield<5> mouseOutputFull;
190 Bitfield<4> keyboardUnlocked;
191 Bitfield<3> commandLast;
192 Bitfield<2> passedSelfTest;
193 Bitfield<1> inputFull;
194 Bitfield<0> outputFull;
195 EndBitUnion(StatusReg)
196
197 BitUnion8(CommandByte)
198 Bitfield<6> convertScanCodes;
199 Bitfield<5> disableMouse;
200 Bitfield<4> disableKeyboard;
201 Bitfield<2> passedSelfTest;
202 Bitfield<1> mouseFullInt;
203 Bitfield<0> keyboardFullInt;
204 EndBitUnion(CommandByte)
205
206 Tick latency;
207 Addr dataPort;
208 Addr commandPort;
209
210 StatusReg statusReg;
211 CommandByte commandByte;
212
213 uint8_t dataReg;
214
215 static const uint16_t NoCommand = (uint16_t)(-1);
216 uint16_t lastCommand;
217
218 IntSourcePin *mouseIntPin;
219 IntSourcePin *keyboardIntPin;
220
221 PS2Mouse mouse;
222 PS2Keyboard keyboard;
223
224 void writeData(uint8_t newData, bool mouse = false);
225 uint8_t readDataOut();
226
227 public:
228 typedef I8042Params Params;
229
230 const Params *
231 params() const
232 {
233 return dynamic_cast<const Params *>(_params);
234 }
235
236 I8042(Params *p) : BasicPioDevice(p), latency(p->pio_latency),
237 dataPort(p->data_port), commandPort(p->command_port),
238 statusReg(0), commandByte(0), dataReg(0), lastCommand(NoCommand),
239 mouseIntPin(p->mouse_int_pin), keyboardIntPin(p->keyboard_int_pin)
240 {
241 statusReg.passedSelfTest = 1;
242 statusReg.commandLast = 1;
243 statusReg.keyboardUnlocked = 1;
244
245 commandByte.convertScanCodes = 1;
246 commandByte.passedSelfTest = 1;
247 commandByte.keyboardFullInt = 1;
248 }
249
250 void addressRanges(AddrRangeList &range_list);
251
252 Tick read(PacketPtr pkt);
253
254 Tick write(PacketPtr pkt);
| 157};
158
159class I8042 : public BasicPioDevice
160{
161 protected:
162 enum Command
163 {
164 GetCommandByte = 0x20,
165 ReadControllerRamBase = 0x20,
166 WriteCommandByte = 0x60,
167 WriteControllerRamBase = 0x60,
168 CheckForPassword = 0xA4,
169 LoadPassword = 0xA5,
170 CheckPassword = 0xA6,
171 DisableMouse = 0xA7,
172 EnableMouse = 0xA8,
173 TestMouse = 0xA9,
174 SelfTest = 0xAA,
175 InterfaceTest = 0xAB,
176 DiagnosticDump = 0xAC,
177 DisableKeyboard = 0xAD,
178 EnableKeyboard = 0xAE,
179 ReadInputPort = 0xC0,
180 ContinuousPollLow = 0xC1,
181 ContinuousPollHigh = 0xC2,
182 ReadOutputPort = 0xD0,
183 WriteOutputPort = 0xD1,
184 WriteKeyboardOutputBuff = 0xD2,
185 WriteMouseOutputBuff = 0xD3,
186 WriteToMouse = 0xD4,
187 DisableA20 = 0xDD,
188 EnableA20 = 0xDF,
189 ReadTestInputs = 0xE0,
190 PulseOutputBitBase = 0xF0,
191 SystemReset = 0xFE
192 };
193
194 BitUnion8(StatusReg)
195 Bitfield<7> parityError;
196 Bitfield<6> timeout;
197 Bitfield<5> mouseOutputFull;
198 Bitfield<4> keyboardUnlocked;
199 Bitfield<3> commandLast;
200 Bitfield<2> passedSelfTest;
201 Bitfield<1> inputFull;
202 Bitfield<0> outputFull;
203 EndBitUnion(StatusReg)
204
205 BitUnion8(CommandByte)
206 Bitfield<6> convertScanCodes;
207 Bitfield<5> disableMouse;
208 Bitfield<4> disableKeyboard;
209 Bitfield<2> passedSelfTest;
210 Bitfield<1> mouseFullInt;
211 Bitfield<0> keyboardFullInt;
212 EndBitUnion(CommandByte)
213
214 Tick latency;
215 Addr dataPort;
216 Addr commandPort;
217
218 StatusReg statusReg;
219 CommandByte commandByte;
220
221 uint8_t dataReg;
222
223 static const uint16_t NoCommand = (uint16_t)(-1);
224 uint16_t lastCommand;
225
226 IntSourcePin *mouseIntPin;
227 IntSourcePin *keyboardIntPin;
228
229 PS2Mouse mouse;
230 PS2Keyboard keyboard;
231
232 void writeData(uint8_t newData, bool mouse = false);
233 uint8_t readDataOut();
234
235 public:
236 typedef I8042Params Params;
237
238 const Params *
239 params() const
240 {
241 return dynamic_cast<const Params *>(_params);
242 }
243
244 I8042(Params *p) : BasicPioDevice(p), latency(p->pio_latency),
245 dataPort(p->data_port), commandPort(p->command_port),
246 statusReg(0), commandByte(0), dataReg(0), lastCommand(NoCommand),
247 mouseIntPin(p->mouse_int_pin), keyboardIntPin(p->keyboard_int_pin)
248 {
249 statusReg.passedSelfTest = 1;
250 statusReg.commandLast = 1;
251 statusReg.keyboardUnlocked = 1;
252
253 commandByte.convertScanCodes = 1;
254 commandByte.passedSelfTest = 1;
255 commandByte.keyboardFullInt = 1;
256 }
257
258 void addressRanges(AddrRangeList &range_list);
259
260 Tick read(PacketPtr pkt);
261
262 Tick write(PacketPtr pkt);
|
| 263
264 virtual void serialize(std::ostream &os);
265 virtual void unserialize(Checkpoint *cp, const std::string §ion);
|
255};
256
257} // namespace X86ISA
258
259#endif //__DEV_X86_I8042_HH__
| 266};
267
268} // namespace X86ISA
269
270#endif //__DEV_X86_I8042_HH__
|