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45 #include "dev/ps2/touchkit.hh"
47 #include "base/logging.hh"
48 #include "debug/PS2.hh"
49 #include "dev/ps2/types.hh"
50 #include "params/PS2TouchKit.hh"
52 PS2TouchKit::PS2TouchKit(const PS2TouchKitParams
*p
)
55 enabled(false), touchKitEnabled(false)
62 PS2TouchKit::serialize(CheckpointOut
&cp
) const
64 PS2Device::serialize(cp
);
66 SERIALIZE_SCALAR(enabled
);
67 SERIALIZE_SCALAR(touchKitEnabled
);
71 PS2TouchKit::unserialize(CheckpointIn
&cp
)
73 PS2Device::unserialize(cp
);
75 UNSERIALIZE_SCALAR(enabled
);
76 UNSERIALIZE_SCALAR(touchKitEnabled
);
80 PS2TouchKit::recv(const std::vector
<uint8_t> &data
)
84 DPRINTF(PS2
, "Resetting device.\n");
86 touchKitEnabled
= false;
88 send(Ps2::SelfTestPass
);
97 DPRINTF(PS2
, "Disabling device.\n");
103 DPRINTF(PS2
, "Enabling device.\n");
108 case Ps2::DefaultsAndDisable
:
109 DPRINTF(PS2
, "Setting defaults and disabling device.\n");
114 case Ps2::Mouse::Scale1to1
:
115 case Ps2::Mouse::Scale2to1
:
119 case Ps2::Mouse::SetResolution
:
120 case Ps2::Mouse::SampleRate
:
122 return data
.size() == 2;
124 case Ps2::Mouse::GetStatus
:
127 send(2); // default resolution
128 send(100); // default sample rate
132 // We're not a trackpoint device, this should make the probe
141 return recvTouchKit(data
);
144 panic("Unknown byte received: %#x\n", data
[0]);
149 PS2TouchKit::recvTouchKit(const std::vector
<uint8_t> &data
)
151 // Ack all incoming bytes
154 // Packet format is: 0x0A SIZE CMD DATA
155 assert(data
[0] == TouchKitDiag
);
156 if (data
.size() < 3 || data
.size() - 2 < data
[1])
159 const uint8_t len
= data
[1];
160 const uint8_t cmd
= data
[2];
162 // We have received at least one TouchKit diagnostic
163 // command. Enabled TouchKit reports.
164 touchKitEnabled
= true;
169 warn_if(len
!= 1, "Unexpected activate packet length: %u\n", len
);
174 panic("Unimplemented touchscreen command: %#x\n", cmd
);
179 PS2TouchKit::sendTouchKit(const uint8_t *data
, size_t size
)
183 for (int i
= 0; i
< size
; ++i
)
189 PS2TouchKit::mouseAt(uint16_t x
, uint16_t y
, uint8_t buttons
)
191 // If the driver hasn't initialized the device yet, no need to try and send
192 // it anything. Similarly we can get vnc mouse events orders of magnitude
193 // faster than m5 can process them. Only queue up two sets mouse movements
194 // and don't add more until those are processed.
195 if (!enabled
|| !touchKitEnabled
|| sendPending() > 10)
198 // Convert screen coordinates to touchpad coordinates
199 const uint16_t _x
= (2047.0 / vnc
->videoWidth()) * x
;
200 const uint16_t _y
= (2047.0 / vnc
->videoHeight()) * y
;
202 const uint8_t resp
[] = {
204 (uint8_t)(_x
>> 7), (uint8_t)(_x
& 0x7f),
205 (uint8_t)(_y
>> 7), (uint8_t)(_y
& 0x7f),
208 send(resp
, sizeof(resp
));
212 PS2TouchKitParams::create()
214 return new PS2TouchKit(this);