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* stm32: usb_hid_touchpad: add 'device certification status' reportWei-Han Chen2018-08-311-0/+1
| | | | | | | | | | | | | | | 'device certification status' is expected by Precision Touchpad driver. BRANCH=none BUG=b:70482333 TEST=manual Signed-off-by: Wei-Han Chen <stimim@chromium.org> Change-Id: Ie71208e309378bbd604160f68a8313331a6d5308 Reviewed-on: https://chromium-review.googlesource.com/1188174 Commit-Ready: Wei-Han Chen <stimim@chromium.org> Tested-by: Wei-Han Chen <stimim@chromium.org> Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
* stm32: usb_hid_touchpad: add 'device capabilities' reportWei-Han Chen2018-08-311-0/+1
| | | | | | | | | | | | | | | 'device capabilities' report is expected by precision touchpad driver. BRANCH=none BUG=b:70482333 TEST=manual Signed-off-by: Wei-Han Chen <stimim@chromium.org> Change-Id: I8801f219cc76021f3519f0371f38bdc731dec287 Reviewed-on: https://chromium-review.googlesource.com/1188173 Commit-Ready: Wei-Han Chen <stimim@chromium.org> Tested-by: Wei-Han Chen <stimim@chromium.org> Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
* stm32: usb_hid_touchpad: add confidenceWei-Han Chen2018-08-311-9/+14
| | | | | | | | | | | | | | | | `confidence` is expected from a PTP-compliant touchpad BRANCH=none BUG=b:70482333 TEST=manual Signed-off-by: Wei-Han Chen <stimim@chromium.org> Change-Id: Ibe7166f43cae5fb36bbcc4e6dfd9ae6525a7225e Reviewed-on: https://chromium-review.googlesource.com/1188170 Commit-Ready: Wei-Han Chen <stimim@chromium.org> Tested-by: Wei-Han Chen <stimim@chromium.org> Reviewed-by: Wei-Han Chen <stimim@chromium.org> Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
* chip/stm32/usb_hid_keyboard: implement keyboard backlight controlWei-Ning Huang2017-09-011-2/+2
| | | | | | | | | | | | | | | | | | | | | | | Implement keyboard backlight control through HID output report. One could enable CONFIG_USB_HID_KEYBOARD_BACKLIGHT to enable keyboard backlight support for a given board. Target board must implement the `void board_set_backlight(int brightness)` function in order correctly set backlight. BRANCH=none BUG=b:37971411,b:63364143 TEST=with follow up CLs 1. `make BOARD=hammer -j` 2. `echo 10 > /sys/class/leds/hammer\:\:kbd_backlight/brightness` console shows 'Keyboard backlight set to 10%' Change-Id: Ibeff510a0d996ddebf61b54ed6b500b02c35564a Signed-off-by: Wei-Ning Huang <wnhuang@google.com> Reviewed-on: https://chromium-review.googlesource.com/586348 Commit-Ready: Wei-Ning Huang <wnhuang@chromium.org> Tested-by: Wei-Ning Huang <wnhuang@chromium.org> Reviewed-by: Nicolas Boichat <drinkcat@chromium.org> Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
* usb_hid_touchpad: Add timestamp field to touch eventsNicolas Boichat2017-08-161-0/+3
| | | | | | | | | | | | | | | | | | | | | | We use the unofficial, Windows 8, Relative Scan time HID usage (Digitizer page, 0x56) to add timestamps to our HID touchpad events. The timestamps is a rolling, unsigned, 16-bit integer, with a resolution of 100us (so it wraps around every 6.5s). The host will be able to synchronize to that timestamp, resetting an offset every time the touchpad is quiet a certain amount of time (e.g. 1 second). BRANCH=none BUG=b:63685117 TEST=Flash hammer, timestamps are reported in HID descriptor. Change-Id: Ie5d56a9df14e464d2cdcd559f550d6e3cc81961f Signed-off-by: Nicolas Boichat <drinkcat@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/603041 Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
* usb_hid_*: Fix __packed struct coding styleNicolas Boichat2017-08-021-4/+4
| | | | | | | | | | | | | | | | EC code style should use __packed at the end of the structure, rather than __attribute__((__packed__)). BRANCH=none BUG=none TEST=Flash hammer Change-Id: Ib5dc71a8439038d46b9bc331bdabff7c57c7300a Signed-off-by: Nicolas Boichat <drinkcat@google.com> Reviewed-on: https://chromium-review.googlesource.com/597037 Commit-Ready: Nicolas Boichat <drinkcat@chromium.org> Tested-by: Nicolas Boichat <drinkcat@chromium.org> Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
* chip/stm32/usb_hid_touchpad: Widen pressure field to 10 bitsNicolas Boichat2017-07-311-4/+4
| | | | | | | | | | | | | | | | | | | | id only really needs 4 bits (16 touch events should be more than enough), so we can steal 2 bits from that field. We also reorder the fields to make sure that width/x are aligned on 8-bit boundary. BRANCH=none BUG=b:63936194 TEST=Flash hammer, touchpad works, ABS_PRESSURE > 255 is reported when a palm is pressed on the touchpad. Change-Id: I1abf1bf53cc9dd998082cea5dc7cd3be17f99ec6 Reviewed-on: https://chromium-review.googlesource.com/583297 Commit-Ready: Nicolas Boichat <drinkcat@chromium.org> Tested-by: Nicolas Boichat <drinkcat@chromium.org> Reviewed-by: Chun-ta Lin <itspeter@chromium.org> Reviewed-by: KT Liao <kt.liao@emc.com.tw>
* chip/stm32/usb_hid: Add USB HID touchpad driverNicolas Boichat2016-11-221-0/+30
This describes a 5-finger touchpad. The physical/logical dimensions of the trackpad are hardcoded for the time being. BRANCH=none BUG=chrome-os-partner:59083 TEST=make BOARD=hammer -j && util/flash_ec --board=hammer Change-Id: I04a0833a28c013395974104ebdd6fcb29e5d6680 Reviewed-on: https://chromium-review.googlesource.com/407742 Commit-Ready: Nicolas Boichat <drinkcat@chromium.org> Tested-by: Nicolas Boichat <drinkcat@chromium.org> Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
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