diff options
| author | jiazi Yang <Tomato_Yang@asus.com> | 2016-07-28 05:15:01 -0400 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2016-08-12 18:06:53 +0200 |
| commit | 51fc93fb22e3e9ed929b1196bbd4b9ea2a071ad6 (patch) | |
| tree | 465e992b9c2a91b42434049df3d6129d052b718a /src | |
| parent | 6359a7592619c77ea21b6ea9a94d261a3257d6d0 (diff) | |
| download | coreboot-51fc93fb22e3e9ed929b1196bbd4b9ea2a071ad6.tar.xz | |
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>
Diffstat (limited to 'src')
| -rw-r--r-- | src/ec/google/chromeec/acpi/ec.asl | 17 | ||||
| -rw-r--r-- | src/ec/google/chromeec/ec_commands.h | 9 |
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 |