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-rw-r--r--src/include/acpi/acpigen_dptf.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/include/acpi/acpigen_dptf.h b/src/include/acpi/acpigen_dptf.h
index 45fbe8f29f..7588752aac 100644
--- a/src/include/acpi/acpigen_dptf.h
+++ b/src/include/acpi/acpigen_dptf.h
@@ -29,6 +29,9 @@ enum {
DPTF_MAX_ACTIVE_POLICIES = (DPTF_PARTICIPANT_COUNT-1),
DPTF_MAX_PASSIVE_POLICIES = (DPTF_PARTICIPANT_COUNT-1),
DPTF_MAX_CRITICAL_POLICIES = (DPTF_PARTICIPANT_COUNT-1),
+
+ /* Maximum found by automatic inspection (awk) */
+ DPTF_MAX_CHARGER_PERF_STATES = 10,
};
/* Active Policy */
@@ -76,6 +79,14 @@ struct dptf_critical_policy {
uint8_t temp;
};
+/* Different levels of charging capability, chosen by passive policies */
+struct dptf_charger_perf {
+ /* Control value */
+ uint8_t control;
+ /* Charging performance, in mA */
+ uint16_t raw_perf;
+};
+
/*
* This function provides tables of temperature and corresponding fan or percent. When the
* temperature thresholds are met (_AC0 - _AC9), the fan is driven to corresponding percentage
@@ -98,6 +109,12 @@ void dptf_write_passive_policies(const struct dptf_passive_policy *policies, int
*/
void dptf_write_critical_policies(const struct dptf_critical_policy *policies, int max_count);
+/*
+ * These are various performance levels for battery charging. They can be used in conjunction
+ * with passive policies to lower the charging rate when the _PSV threshold is met.
+ */
+void dptf_write_charger_perf(const struct dptf_charger_perf *perf, int max_count);
+
/* Helper method to open the scope for a given participant. */
void dptf_write_scope(enum dptf_participant participant);