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41 #include "dev/ps2/touchkit.hh"
43 #include "base/logging.hh"
44 #include "debug/PS2.hh"
45 #include "dev/ps2/types.hh"
46 #include "params/PS2TouchKit.hh"
48 PS2TouchKit::PS2TouchKit(const PS2TouchKitParams
*p
)
51 enabled(false), touchKitEnabled(false)
58 PS2TouchKit::serialize(CheckpointOut
&cp
) const
60 PS2Device::serialize(cp
);
62 SERIALIZE_SCALAR(enabled
);
63 SERIALIZE_SCALAR(touchKitEnabled
);
67 PS2TouchKit::unserialize(CheckpointIn
&cp
)
69 PS2Device::unserialize(cp
);
71 UNSERIALIZE_SCALAR(enabled
);
72 UNSERIALIZE_SCALAR(touchKitEnabled
);
76 PS2TouchKit::recv(const std::vector
<uint8_t> &data
)
80 DPRINTF(PS2
, "Resetting device.\n");
82 touchKitEnabled
= false;
84 send(Ps2::SelfTestPass
);
93 DPRINTF(PS2
, "Disabling device.\n");
99 DPRINTF(PS2
, "Enabling device.\n");
104 case Ps2::DefaultsAndDisable
:
105 DPRINTF(PS2
, "Setting defaults and disabling device.\n");
110 case Ps2::Mouse::Scale1to1
:
111 case Ps2::Mouse::Scale2to1
:
115 case Ps2::Mouse::SetResolution
:
116 case Ps2::Mouse::SampleRate
:
118 return data
.size() == 2;
120 case Ps2::Mouse::GetStatus
:
123 send(2); // default resolution
124 send(100); // default sample rate
128 // We're not a trackpoint device, this should make the probe
137 return recvTouchKit(data
);
140 panic("Unknown byte received: %#x\n", data
[0]);
145 PS2TouchKit::recvTouchKit(const std::vector
<uint8_t> &data
)
147 // Ack all incoming bytes
150 // Packet format is: 0x0A SIZE CMD DATA
151 assert(data
[0] == TouchKitDiag
);
152 if (data
.size() < 3 || data
.size() - 2 < data
[1])
155 const uint8_t len
= data
[1];
156 const uint8_t cmd
= data
[2];
158 // We have received at least one TouchKit diagnostic
159 // command. Enabled TouchKit reports.
160 touchKitEnabled
= true;
165 warn_if(len
!= 1, "Unexpected activate packet length: %u\n", len
);
170 panic("Unimplemented touchscreen command: %#x\n", cmd
);
175 PS2TouchKit::sendTouchKit(const uint8_t *data
, size_t size
)
179 for (int i
= 0; i
< size
; ++i
)
185 PS2TouchKit::mouseAt(uint16_t x
, uint16_t y
, uint8_t buttons
)
187 // If the driver hasn't initialized the device yet, no need to try and send
188 // it anything. Similarly we can get vnc mouse events orders of magnitude
189 // faster than m5 can process them. Only queue up two sets mouse movements
190 // and don't add more until those are processed.
191 if (!enabled
|| !touchKitEnabled
|| sendPending() > 10)
194 // Convert screen coordinates to touchpad coordinates
195 const uint16_t _x
= (2047.0 / vnc
->videoWidth()) * x
;
196 const uint16_t _y
= (2047.0 / vnc
->videoHeight()) * y
;
198 const uint8_t resp
[] = {
200 (uint8_t)(_x
>> 7), (uint8_t)(_x
& 0x7f),
201 (uint8_t)(_y
>> 7), (uint8_t)(_y
& 0x7f),
204 send(resp
, sizeof(resp
));
208 PS2TouchKitParams::create()
210 return new PS2TouchKit(this);