From 95b7a6c6db47bd493a11fa14aa949ddb6788e8db Mon Sep 17 00:00:00 2001 From: Gwendal Grignou Date: Tue, 3 May 2016 23:53:23 -0700 Subject: ec/google/chromeec/acpi: Add MKBP support Allow EC to send an interrupt using ACPI SMI when a MKBP event is available. This will be used by the sensor stack. Update all ACPI branch except those without sensors with: for i in $(find . -name ec.h -exec grep -l MAINBOARD_EC_SCI_EVENTS {} \+ | cut -d '/' -f 2 | grep -v -e cyan -e lars); do echo $i cd $i git diff ../lars/ec.h | patch -p 5 cd - done BUG=b:27849483 BRANCH=none TEST=Compile on Samus. Tested in Cyan branch. Change-Id: I4766d1d56c3b075bb2990b6d6f59b28c91415776 Signed-off-by: Martin Roth Original-Commit-Id: d3b9f76a26397ff619f630c5e3d043a7be1a5890 Original-Change-Id: I56c46ee17baee109b9b778982ab35542084cbd69 Original-Signed-off-by: Gwendal Grignou Original-Reviewed-on: https://chromium-review.googlesource.com/342364 Original-Reviewed-by: Duncan Laurie Reviewed-on: https://review.coreboot.org/14854 Tested-by: build bot (Jenkins) Reviewed-by: Duncan Laurie --- src/ec/google/chromeec/acpi/ec.asl | 7 +++++++ src/ec/google/chromeec/ec_commands.h | 3 +++ 2 files changed, 10 insertions(+) (limited to 'src/ec') diff --git a/src/ec/google/chromeec/acpi/ec.asl b/src/ec/google/chromeec/acpi/ec.asl index 6e47e54924..232a5ccd0b 100644 --- a/src/ec/google/chromeec/acpi/ec.asl +++ b/src/ec/google/chromeec/acpi/ec.asl @@ -289,6 +289,13 @@ Device (EC0) Notify (BAT0, 0x80) } + // MKBP interrupt. + Method (_Q1A, 0, NotSerialized) + { + Store ("EC: MKBP", Debug) + Notify (CREC, 0x80) + } + /* * Dynamic Platform Thermal Framework support */ diff --git a/src/ec/google/chromeec/ec_commands.h b/src/ec/google/chromeec/ec_commands.h index b562dd62d8..5c491cae9e 100644 --- a/src/ec/google/chromeec/ec_commands.h +++ b/src/ec/google/chromeec/ec_commands.h @@ -459,6 +459,9 @@ enum host_event_code { /* Keyboard fastboot combo has been pressed */ EC_HOST_EVENT_KEYBOARD_FASTBOOT = 25, + /* Emulate MKBP event */ + EC_HOST_EVENT_MKBP = 26, + /* * The high bit of the event mask is not used as a host event code. If * it reads back as set, then the entire event mask should be -- cgit v1.2.3