Add Elantech trackpad support
Elantech trackpads are found in some laptops like the Asus UX31E. They are "synaptics compatible" but use a slightly different protocol. Elantech hardware support is not enabled by default and just like Synaptic or TrackPoint devices it should be enabled by setting tunable, in this case hw.psm.elantech_support, to non-zero value PR: 205690 Submitted by: Vladimir Kondratyev <wulf@cicgroup.ru> MFC after: 1 week
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=306355
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sys/dev/atkbdc/psm.c
2219
sys/dev/atkbdc/psm.c
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@ -170,6 +170,7 @@ typedef struct synapticshw {
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#define MOUSE_MODEL_4DPLUS 12
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#define MOUSE_MODEL_SYNAPTICS 13
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#define MOUSE_MODEL_TRACKPOINT 14
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#define MOUSE_MODEL_ELANTECH 15
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typedef struct mousemode {
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int protocol; /* MOUSE_PROTO_XXX */
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@ -240,6 +241,9 @@ typedef struct mousevar {
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/* Synaptics Touchpad */
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#define MOUSE_SYNAPTICS_PACKETSIZE 6 /* '3' works better */
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/* Elantech Touchpad */
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#define MOUSE_ELANTECH_PACKETSIZE 6
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/* Microsoft Serial mouse data packet */
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#define MOUSE_MSS_PACKETSIZE 3
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#define MOUSE_MSS_SYNCMASK 0x40
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