chromeec/acpi: add Tablet event and EC ACPI MEM
Switch DPTF table when TABLET/NOTEBOOK mode changes
1. EC send EC_HOST_EVENT_MODE_CHANGE(29/0x1D) when mode changes
2. Host read current "physical mode" from EC ERAM
BUG=chrome-os-partner:53526
BRANCH=master
TEST=build glados
Change-Id: I836d2b9d1a24c455c4b8d4b85f7edc19259d2f71
Signed-off-by: Martin Roth <martinroth@chromium.org>
Original-Commit-Id: 9506c4c07e0f713c9a22a0231bc4255f6876783f
Original-Change-Id: I5a3363ff9c958decb5aed1c85fc2a1ef6670931d
Original-Signed-off-by: jiazi Yang <Tomato_Yang@asus.com>
Original-Signed-off-by: Shasha Zhao <Sarah_Zhao@asus.com>
Original-Signed-off-by: jiazi Yang <Tomato_Yang@asus.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/365991
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/16151
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
diff --git a/src/ec/google/chromeec/ec_commands.h b/src/ec/google/chromeec/ec_commands.h
index 2e2a695..4a551c2 100644
--- a/src/ec/google/chromeec/ec_commands.h
+++ b/src/ec/google/chromeec/ec_commands.h
@@ -327,6 +327,12 @@
#define EC_ACPI_MEM_CHARGING_LIMIT_STEP_MA 64
/* Value to disable DPTF battery charging limit */
#define EC_ACPI_MEM_CHARGING_LIMIT_DISABLED 0xff
+/*
+ * Report device orientation
+ * bit 0 device is tablet mode
+ */
+#define EC_ACPI_MEM_DEVICE_ORIENTATION 0x09
+#define EC_ACPI_MEM_DEVICE_TABLET_MODE 0x01
/*
* ACPI addresses 0x20 - 0xff map to EC_MEMMAP offset 0x00 - 0xdf. This data
@@ -465,6 +471,9 @@
/* Emulate MKBP event */
EC_HOST_EVENT_MKBP = 27,
+ /* TABLET/LAPTOP mode event*/
+ EC_HOST_EVENT_MODE_CHANGE = 29,
+
/*
* 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