diff options
| -rw-r--r-- | src/arch/x86/acpigen.c | 23 | ||||
| -rw-r--r-- | src/arch/x86/include/arch/acpigen.h | 14 |
2 files changed, 37 insertions, 0 deletions
diff --git a/src/arch/x86/acpigen.c b/src/arch/x86/acpigen.c index e051c822e6..74efbb0534 100644 --- a/src/arch/x86/acpigen.c +++ b/src/arch/x86/acpigen.c @@ -449,6 +449,17 @@ void acpigen_write_device(const char *name) acpigen_emit_namestring(name); } +void acpigen_write_STA(uint8_t status) +{ + /* + * Method (_STA, 0, NotSerialized) { Return (status) } + */ + acpigen_write_method("_STA", 0); + acpigen_emit_byte(0xa4); + acpigen_write_byte(status); + acpigen_pop_len(); +} + /* * Generates a func with max supported P-states. */ @@ -503,6 +514,18 @@ void acpigen_write_TPC(const char *gnvs_tpc_limit) acpigen_pop_len(); } +void acpigen_write_PRW(u32 wake, u32 level) +{ + /* + * Name (_PRW, Package () { wake, level } + */ + acpigen_write_name("_PRW"); + acpigen_write_package(2); + acpigen_write_integer(wake); + acpigen_write_integer(level); + acpigen_pop_len(); +} + void acpigen_write_PSS_package(u32 coreFreq, u32 power, u32 transLat, u32 busmLat, u32 control, u32 status) { diff --git a/src/arch/x86/include/arch/acpigen.h b/src/arch/x86/include/arch/acpigen.h index 25551649e9..e968778e5c 100644 --- a/src/arch/x86/include/arch/acpigen.h +++ b/src/arch/x86/include/arch/acpigen.h @@ -22,6 +22,18 @@ #include <stdint.h> #include <arch/acpi.h> +/* Values that can be returned for ACPI Device _STA method */ +#define ACPI_STATUS_DEVICE_PRESENT (1 << 0) +#define ACPI_STATUS_DEVICE_ENABLED (1 << 1) +#define ACPI_STATUS_DEVICE_SHOW_IN_UI (1 << 2) +#define ACPI_STATUS_DEVICE_STATE_OK (1 << 3) + +#define ACPI_STATUS_DEVICE_ALL_OFF 0 +#define ACPI_STATUS_DEVICE_ALL_ON (ACPI_STATUS_DEVICE_PRESENT |\ + ACPI_STATUS_DEVICE_ENABLED |\ + ACPI_STATUS_DEVICE_SHOW_IN_UI |\ + ACPI_STATUS_DEVICE_STATE_OK) + void acpigen_write_len_f(void); void acpigen_pop_len(void); void acpigen_set_current(char *curr); @@ -58,6 +70,8 @@ void acpigen_write_PPC(u8 nr); void acpigen_write_PPC_NVS(void); void acpigen_write_empty_PCT(void); void acpigen_write_empty_PTC(void); +void acpigen_write_PRW(u32 wake, u32 level); +void acpigen_write_STA(uint8_t status); void acpigen_write_TPC(const char *gnvs_tpc_limit); void acpigen_write_PSS_package(u32 coreFreq, u32 power, u32 transLat, u32 busmLat, u32 control, u32 status); |