diff options
Diffstat (limited to 'src/soc/amd')
| -rw-r--r-- | src/soc/amd/common/acpi/upep.asl | 34 |
1 files changed, 28 insertions, 6 deletions
diff --git a/src/soc/amd/common/acpi/upep.asl b/src/soc/amd/common/acpi/upep.asl index ef068452f8..b44ed43b23 100644 --- a/src/soc/amd/common/acpi/upep.asl +++ b/src/soc/amd/common/acpi/upep.asl @@ -5,8 +5,13 @@ #define PEPD_DSM_LPI_ADDITIONAL_FUNCTIONS 1 #define PEPD_DSM_LPI_GET_DEVICE_CONSTRAINTS 1 -#define PEPD_DSM_NOTIFICATIONS_UUID "11e00d56-ce64-47ce-837b-1f898f9aa461" -#define PEPD_DSM_NOTIFICATION_ENUM_FUNCTIONS 0 +#define PEPD_DSM_NOTIFICATIONS_UUID "11e00d56-ce64-47ce-837b-1f898f9aa461" +#define PEPD_DSM_NOTIFICATION_ENUM_FUNCTIONS 0 +#define PEPD_DSM_NOTIFICATION_ADDITIONAL_FUNCTIONS 1 +#define PEPD_DSM_NOTIFICATION_LOW_POWER_ENTRY 5 +#define PEPD_DSM_NOTIFICATION_LOW_POWER_EXIT 6 + +External(\_SB.MS0X, MethodObj) /* * Power Engine Plug-in Device @@ -89,10 +94,27 @@ Scope (\_SB) { * this UUID. */ Case (PEPD_DSM_NOTIFICATION_ENUM_FUNCTIONS) { - /* - * TODO(b/185586290): Add additional functions when - * linux kernel driver is fixed. - */ + Local0 = Buffer { 0x00 } + CreateByteField(Local0, 0x00, SUPP) + + SUPP = PEPD_DSM_NOTIFICATION_ADDITIONAL_FUNCTIONS + SUPP |= 1 << PEPD_DSM_NOTIFICATION_LOW_POWER_ENTRY + SUPP |= 1 << PEPD_DSM_NOTIFICATION_LOW_POWER_EXIT + + Return (Local0) + } + Case (PEPD_DSM_NOTIFICATION_LOW_POWER_ENTRY) { + /* provide board level S0ix hook */ + If (CondRefOf (\_SB.MS0X)) { + \_SB.MS0X(1) + } + Return (Buffer() { 0x00 }) + } + Case (PEPD_DSM_NOTIFICATION_LOW_POWER_EXIT) { + /* provide board level S0ix hook */ + If (CondRefOf (\_SB.MS0X)) { + \_SB.MS0X(0) + } Return (Buffer() { 0x00 }) } Default { |