diff options
Diffstat (limited to 'src/ec/google/chromeec/acpi/ec.asl')
| -rw-r--r-- | src/ec/google/chromeec/acpi/ec.asl | 92 |
1 files changed, 80 insertions, 12 deletions
diff --git a/src/ec/google/chromeec/acpi/ec.asl b/src/ec/google/chromeec/acpi/ec.asl index d0540edb08..6e6646c62e 100644 --- a/src/ec/google/chromeec/acpi/ec.asl +++ b/src/ec/google/chromeec/acpi/ec.asl @@ -49,6 +49,9 @@ Device (EC0) TSTC, 8, // Complement of Test Byte KBLV, 8, // Keyboard Backlight FAND, 8, // Set Fan Duty Cycle + PATI, 8, // Programmable Auxiliary Trip Sensor ID + PATT, 8, // Programmable Auxiliary Trip Threshold + PATC, 8, // Programmable Auxiliary Trip Commit } OperationRegion (EMEM, SystemIO, EC_LPC_ADDR_MEMMAP, EC_MEMMAP_SIZE) @@ -234,13 +237,6 @@ Device (EC0) Notify (BAT0, 0x81) } - // Thermal Treshold Event - Method (_Q09, 0, NotSerialized) - { - Store ("EC: THERMAL THRESHOLD", Debug) - Notify (\_TZ, 0x80) - } - // Thermal Overload Event Method (_Q0A, 0, NotSerialized) { @@ -289,6 +285,9 @@ Device (EC0) * Dynamic Platform Thermal Framework support */ + /* Mutex for EC PAT interface */ + Mutex (PATM, 1) + /* * Set Aux Trip Point 0 * Arg0 = Temp Sensor ID @@ -296,6 +295,23 @@ Device (EC0) */ Method (PAT0, 2, Serialized) { + If (Acquire (^PATM, 1000)) { + Return (0) + } + + Store ("EC: PAT0", Debug) + + /* Set sensor ID */ + Store (ToInteger (Arg0), ^PATI) + + /* Adjust by offset to get Kelvin and set Threshold */ + Add (ToInteger (Arg1), ^TOFS, ^PATT) + + /* Set commit value with SELECT=0 and ENABLE=1 */ + Store (0x02, ^PATC) + + Release (^PATM) + Return (1) } /* @@ -305,17 +321,69 @@ Device (EC0) */ Method (PAT1, 2, Serialized) { + If (Acquire (^PATM, 1000)) { + Return (0) + } + + Store ("EC: PAT1", Debug) + + /* Set sensor ID */ + Store (ToInteger (Arg0), ^PATI) + + /* Adjust by offset to get Kelvin and set Threshold */ + Add (ToInteger (Arg1), ^TOFS, ^PATT) + + /* Set commit value with SELECT=1 and ENABLE=1 */ + Store (0x03, ^PATC) + + Release (^PATM) + Return (1) + } + + /* Disable Aux Trip Points */ + Method (PATD) + { + If (Acquire (^PATM, 1000)) { + Return (0) + } + + Store ("EC: PAT Disable", Debug) + + Store (0x00, ^PATI) + Store (0x00, ^PATT) + + /* Disable PAT0 */ + Store (0x00, ^PATC) + + /* Disable PAT1 */ + Store (0x01, ^PATC) + + Release (^PATM) + Return (1) } /* - * DPTF Thermal Threshold Event + * Thermal Threshold Event */ - Method (_Q14, 0, Serialized) + Method (_Q09, 0, Serialized) { - Store ("EC: DPTF THERMAL THRESHOLD", Debug) - If (CondRefOf (\_SB.DPTF.TEVT, Local0)) { - \_SB.DPTF.TEVT () + If (Acquire (^PATM, 1000)) { + Return () + } + + Store ("EC: THERMAL THRESHOLD", Debug) + + /* Read sensor ID for event */ + Store (^PATI, Local0) + + /* When sensor ID returns 0xFF then no more events */ + While (LNotEqual (Local0, EC_TEMP_SENSOR_NOT_PRESENT)) + { + /* Keep reaading sensor ID for event */ + Store (^PATI, Local0) } + + Release (^PATM) } #include "ac.asl" |