diff options
| -rw-r--r-- | src/drivers/intel/dptf/chip.h | 8 | ||||
| -rw-r--r-- | src/drivers/intel/dptf/dptf.c | 48 |
2 files changed, 56 insertions, 0 deletions
diff --git a/src/drivers/intel/dptf/chip.h b/src/drivers/intel/dptf/chip.h index 5408d9e0d5..59b1e251b3 100644 --- a/src/drivers/intel/dptf/chip.h +++ b/src/drivers/intel/dptf/chip.h @@ -12,6 +12,9 @@ {.source = DPTF_##src, .temp = (tmp), .type = DPTF_CRITICAL_##typ} #define TEMP_PCT(t, p) {.temp = (t), .fan_pct = (p)} +/* Total number of OEM variables */ +#define DPTF_OEM_VARIABLE_COUNT 6 + struct drivers_intel_dptf_config { struct { struct dptf_active_policy active[DPTF_MAX_ACTIVE_POLICIES]; @@ -51,6 +54,11 @@ struct drivers_intel_dptf_config { const char *desc; } tsr[DPTF_MAX_TSR]; } options; + + /* OEM variables */ + struct { + uint32_t oem_variables[DPTF_OEM_VARIABLE_COUNT]; + } oem_data; }; #endif /* _DRIVERS_INTEL_DPTF_CHIP_H_ */ diff --git a/src/drivers/intel/dptf/dptf.c b/src/drivers/intel/dptf/dptf.c index 7d19df5960..f9b4dee5c5 100644 --- a/src/drivers/intel/dptf/dptf.c +++ b/src/drivers/intel/dptf/dptf.c @@ -117,6 +117,53 @@ static void write_fan(const struct drivers_intel_dptf_config *config, acpigen_pop_len(); /* Device */ } +/* \_SB.DPTF */ +static void write_oem_variables(const struct drivers_intel_dptf_config *config) +{ + int i; + + acpigen_write_name("ODVX"); + acpigen_write_package(DPTF_OEM_VARIABLE_COUNT); + for (i = 0; i < DPTF_OEM_VARIABLE_COUNT; i++) + acpigen_write_dword(config->oem_data.oem_variables[i]); + acpigen_write_package_end(); + + /* + * Method (ODUP, 2) + * Arg0 = Index of ODVX to update + * Arg1 = Value to place in ODVX[Arg0] + */ + acpigen_write_method_serialized("ODUP", 2); + /* ODVX[Arg0] = Arg1 */ + acpigen_write_store(); + acpigen_emit_byte(ARG1_OP); + acpigen_emit_byte(INDEX_OP); + acpigen_emit_namestring("ODVX"); + acpigen_emit_byte(ARG0_OP); + acpigen_emit_byte(ZERO_OP); /* Ignore Index() Destination */ + acpigen_write_method_end(); + + /* + * Method (ODGT, 1) + * Arg0 = Index of ODVX to get + */ + acpigen_write_method_serialized("ODGT", 1); + /* Return (ODVX[Arg0]) */ + acpigen_emit_byte(RETURN_OP); + acpigen_emit_byte(DEREF_OP); + acpigen_emit_byte(INDEX_OP); + acpigen_emit_namestring("ODVX"); + acpigen_emit_byte(ARG0_OP); + acpigen_emit_byte(ZERO_OP); /* Ignore Index() Destination */ + acpigen_write_method_end(); + + /* Method (ODVP) { Return (ODVX) } */ + acpigen_write_method_serialized("ODVP", 0); + acpigen_emit_byte(RETURN_OP); + acpigen_emit_namestring("ODVX"); + acpigen_write_method_end(); +} + /* \_SB.DPTF.xxxx */ static void write_generic_devices(const struct drivers_intel_dptf_config *config, const struct dptf_platform_info *platform_info) @@ -169,6 +216,7 @@ static void write_device_definitions(const struct device *dev) write_tcpu(parent, config); write_open_dptf_device(dev, platform_info); write_fan(config, platform_info); + write_oem_variables(config); write_generic_devices(config, platform_info); acpigen_pop_len(); /* DPTF Device (write_open_dptf_device) */ |