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-rw-r--r--src/ec/google/chromeec/acpi/ec.asl17
-rw-r--r--src/ec/google/chromeec/ec_commands.h9
2 files changed, 26 insertions, 0 deletions
diff --git a/src/ec/google/chromeec/acpi/ec.asl b/src/ec/google/chromeec/acpi/ec.asl
index 13317f6d4c..84d5e32785 100644
--- a/src/ec/google/chromeec/acpi/ec.asl
+++ b/src/ec/google/chromeec/acpi/ec.asl
@@ -25,6 +25,7 @@ External (\_SB.DPTF.TEVT, MethodObj)
#ifdef DPTF_ENABLE_CHARGER
External (\_SB.DPTF.TCHG, DeviceObj)
#endif
+External (\_SB.DPTF.TPET, MethodObj)
Device (EC0)
{
@@ -52,6 +53,7 @@ Device (EC0)
PATT, 8, // Programmable Auxiliary Trip Threshold
PATC, 8, // Programmable Auxiliary Trip Commit
CHGL, 8, // Charger Current Limit
+ TBMD, 1, // Tablet mode
}
#if CONFIG_EC_GOOGLE_CHROMEEC_ACPI_MEMMAP
@@ -296,6 +298,15 @@ Device (EC0)
Notify (CREC, 0x80)
}
+ // TABLET mode switch Event
+ Method (_Q1D, 0, NotSerialized)
+ {
+ Store ("EC: TABLET mode switch Event", Debug)
+ If (CondRefOf (\_SB.DPTF.TPET)) {
+ \_SB.DPTF.TPET()
+ }
+ }
+
/*
* Dynamic Platform Thermal Framework support
*/
@@ -422,6 +433,12 @@ Device (EC0)
Store (0xFF, ^CHGL)
}
+ /* Read current Tablet mode */
+ Method (RCTM, 0, NotSerialized)
+ {
+ Return (^TBMD)
+ }
+
#include "ac.asl"
#include "battery.asl"
#include "cros_ec.asl"
diff --git a/src/ec/google/chromeec/ec_commands.h b/src/ec/google/chromeec/ec_commands.h
index 2e2a695966..4a551c2e65 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 @@ enum host_event_code {
/* 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