diff options
Diffstat (limited to 'include/charger.h')
| -rw-r--r-- | include/charger.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/charger.h b/include/charger.h index 310643017b..41f22adfad 100644 --- a/include/charger.h +++ b/include/charger.h @@ -9,6 +9,7 @@ #define __CROS_EC_CHARGER_H #include "common.h" +#include "ocpc.h" /* Charger information * voltage unit: mV @@ -106,6 +107,16 @@ struct charger_drv { int (*ramp_is_stable)(int chgnum); int (*ramp_is_detected)(int chgnum); int (*ramp_get_current_limit)(int chgnum); + + /* OCPC functions */ + /* + * Some chargers can perform VSYS output compensation. Configure the + * charger IC with the right parameters. + */ + enum ec_error_list (*set_vsys_compensation)(int chgnum, + struct ocpc_data *o, + int current_ma, + int voltage_mv); }; struct charger_config_t { @@ -251,6 +262,24 @@ enum ec_error_list charger_get_option(int *option); enum ec_error_list charger_set_option(int option); enum ec_error_list charger_set_hw_ramp(int enable); +/** + * Some charger ICs can compensate for board losses if charging from an + * auxiliary charger in a multi-charger IC design. (CONFIG_OCPC) Some of those + * charger ICs can dynamically compensate meaning that the PID loop may not be + * needed. For the others, it still will be needed. The charger driver should + * return the appropriate action. + * + * @param chgnum: Active charge port + * @param ocpc: Pointer to ocpc data + * @param current_ma: Desired charge current + * @param voltage_mv: Desired charge voltage + * @return EC_SUCCESS on success, error otherwise. + */ +enum ec_error_list charger_set_vsys_compensation(int chgnum, + struct ocpc_data *ocpc, + int current_ma, + int voltage_mv); + /* * Print all charger info for debugging purposes * @param chgnum: charger IC index. |