diff options
| author | Ben Gamari <ben@smart-cactus.org> | 2016-10-04 11:45:17 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-10-04 11:47:02 -0700 |
| commit | 574a62c93a663501fd545be9a72e6901089955e4 (patch) | |
| tree | 88ed440aa5ac33a31cd8c7d0ff61f17209321c57 | |
| parent | aeaa881f9b17823028b464893b89c42db797b717 (diff) | |
Input: ALPS - add V8 protocol documentation
Tested-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Ben Gamari <ben@smart-cactus.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| -rw-r--r-- | Documentation/input/alps.txt | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/Documentation/input/alps.txt b/Documentation/input/alps.txt index 1fec1135791d..8d1341ccde64 100644 --- a/Documentation/input/alps.txt +++ b/Documentation/input/alps.txt @@ -319,3 +319,60 @@ For touchpad packet, the format is: otherwise byte 0 bit 4 must be set and byte 0/4/5 are in NEW fmt F: Number of fingers - 3, 0 means 3 fingers, 1 means 4 ... + + +ALPS Absolute Mode - Protocol Version 8 +--------------------------------------- + +Spoken by SS4 (73 03 14) and SS5 (73 03 28) hardware. + +The packet type is given by the APD field, bits 4-5 of byte 3. + +Touchpad packet (APD = 0x2): + + b7 b6 b5 b4 b3 b2 b1 b0 + byte 0: SWM SWR SWL 1 1 0 0 X7 + byte 1: 0 X6 X5 X4 X3 X2 X1 X0 + byte 2: 0 Y6 Y5 Y4 Y3 Y2 Y1 Y0 + byte 3: 0 T&P 1 0 1 0 0 Y7 + byte 4: 0 Z6 Z5 Z4 Z3 Z2 Z1 Z0 + byte 5: 0 0 0 0 0 0 0 0 + +SWM, SWR, SWL: Middle, Right, and Left button states + +Touchpad 1 Finger packet (APD = 0x0): + + b7 b6 b5 b4 b3 b2 b1 b0 + byte 0: SWM SWR SWL 1 1 X2 X1 X0 + byte 1: X9 X8 X7 1 X6 X5 X4 X3 + byte 2: 0 X11 X10 LFB Y3 Y2 Y1 Y0 + byte 3: Y5 Y4 0 0 1 TAPF2 TAPF1 TAPF0 + byte 4: Zv7 Y11 Y10 1 Y9 Y8 Y7 Y6 + byte 5: Zv6 Zv5 Zv4 0 Zv3 Zv2 Zv1 Zv0 + +TAPF: ??? +LFB: ??? + +Touchpad 2 Finger packet (APD = 0x1): + + b7 b6 b5 b4 b3 b2 b1 b0 + byte 0: SWM SWR SWL 1 1 AX6 AX5 AX4 + byte 1: AX11 AX10 AX9 AX8 AX7 AZ1 AY4 AZ0 + byte 2: AY11 AY10 AY9 CONT AY8 AY7 AY6 AY5 + byte 3: 0 0 0 1 1 BX6 BX5 BX4 + byte 4: BX11 BX10 BX9 BX8 BX7 BZ1 BY4 BZ0 + byte 5: BY11 BY10 BY9 0 BY8 BY7 BY5 BY5 + +CONT: A 3-or-4 Finger packet is to follow + +Touchpad 3-or-4 Finger packet (APD = 0x3): + + b7 b6 b5 b4 b3 b2 b1 b0 + byte 0: SWM SWR SWL 1 1 AX6 AX5 AX4 + byte 1: AX11 AX10 AX9 AX8 AX7 AZ1 AY4 AZ0 + byte 2: AY11 AY10 AY9 OVF AY8 AY7 AY6 AY5 + byte 3: 0 0 1 1 1 BX6 BX5 BX4 + byte 4: BX11 BX10 BX9 BX8 BX7 BZ1 BY4 BZ0 + byte 5: BY11 BY10 BY9 0 BY8 BY7 BY5 BY5 + +OVF: 5th finger detected |