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optimize the charging logic in thermal mitigation process

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-1, clear thermal mitigation flag in SM_QUITE and SM_ENTRY
-2, recovery charger power after quiting thermal mitigation

Change-Id: I1e77f3e443ece14c9b309057d50d433b657e2e66
Signed-off-by: xuwt2 <xuwt2@lenovo.com>
Reviewed-on: https://gerrit.mot.com/1430164
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Tao Sun <suntao2@motorola.com>
Submit-Approved: Jira Key
Reviewed-on: https://gerrit.mot.com/1893578
Reviewed-by: Wei Xu <xuwei9@lenovo.com>
Reviewed-by: Xiangpo Zhao <zhaoxp3@motorola.com>
This commit is contained in:
xuwt2 2019-09-30 17:02:18 +08:00 • committed by Wei Xu
commit d1022ebaa7
1 changed files with 36 additions and 6 deletions
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42
drivers/power/mmi_parallel_charger/mmi_charger_pump_policy.c
View file

@ -521,6 +521,10 @@ static void mmi_chrg_sm_work_func(struct work_struct *work)
}
chip->thermal_cooling = false;
chip->thermal_cooling_cnt = 0;
chip->pd_thermal_volt = chip->pd_request_volt_prev;
chip->pd_thermal_curr = chip->pd_request_curr_prev;
chip->thermal_mitigation_doing = false;
chip->thermal_force_pmic_chrg = false;
heartbeat_dely_ms = HEARTBEAT_NEXT_STATE_MS;
break;
case PM_STATE_SW_ENTRY:
@ -552,7 +556,10 @@ static void mmi_chrg_sm_work_func(struct work_struct *work)
usbpd_get_pdo_info(chip->pd_handle, chip->mmi_pdo_info);
mmi_chrg_info(chip, "Select FIXED pdo for switch charging !\n");
for (i = 0; i < PD_MAX_PDO_NUM; i++) {
mmi_chrg_info(chip,"find pdo %d, max volt %d, max curr %d\n",
chip->mmi_pdo_info[i].type,
chip->mmi_pdo_info[i].uv_max,
chip->mmi_pdo_info[i].ua);
if (chip->mmi_pdo_info[i].type ==
PD_SRC_PDO_TYPE_FIXED
&& chip->mmi_pdo_info[i].uv_max >= SWITCH_CHARGER_PPS_VOLT
@ -578,6 +585,8 @@ static void mmi_chrg_sm_work_func(struct work_struct *work)
if (chip->pd_pps_support
&& vbatt_volt > chip->pl_chrg_vbatt_min
&& chrg_step->pres_chrg_step != chip->chrg_step_nums - 1
&& chrg_step->chrg_step_cc_curr >=
chrg_list->chrg_dev[CP_MASTER]->charging_curr_min
&& !chip->recovery_pmic_chrg
&& !chip->thermal_force_pmic_chrg
&& batt_soc < CP_CHRG_SOC_LIMIT) {
@ -1092,6 +1101,8 @@ static void mmi_chrg_sm_work_func(struct work_struct *work)
mmi_enable_charging(chrg_list->chrg_dev[CP_MASTER], false);
}
chip->thermal_cooling = false;
chip->thermal_cooling_cnt = 0;
mmi_chrg_sm_move_state(chip, PM_STATE_RECOVERY_SW);
heartbeat_dely_ms = HEARTBEAT_NEXT_STATE_MS;
break;
@ -1248,8 +1259,7 @@ schedule:
heartbeat_dely_ms = HEARTBEAT_SHORT_DELAY_MS;
}
if (chip->thermal_cooling
&& !chip->thermal_mitigation_doing) {
if (chip->thermal_cooling && !chip->thermal_force_pmic_chrg) {
if (batt_temp > chrg_step->temp_c + COOLING_HYSTERISIS_DEGC) {
mmi_chrg_info(chip,"Batt temp %d, Cooling loop failed, "
@ -1271,13 +1281,14 @@ schedule:
+ chip->pps_volt_comp;
if (ibatt_curr > TYPEC_HIGH_CURRENT_UA
&& chip->pd_request_curr > cooling_curr) {
chip->pd_request_curr -= COOLING_DELTA_POWER;
if (chip->pd_request_curr - COOLING_DELTA_POWER >=
TYPEC_MIDDLE_CURRENT_UA)
chip->pd_request_curr -= COOLING_DELTA_POWER;
mmi_chrg_info(chip, "Do chrg power cooling"
"pd request curr %dmA, "
"battery temp %d\n",
chip->pd_request_curr, batt_temp);
} else if (ibatt_curr > TYPEC_HIGH_CURRENT_UA
&& chip->pd_request_volt > cooling_volt) {
chip->pd_request_volt -= COOLING_DELTA_POWER;
@ -1361,19 +1372,38 @@ schedule:
if (ibatt_curr >
chip->thermal_mitigation[chip->system_thermal_level]
+ CC_CURR_DEBOUNCE) {
if (chip->pd_thermal_curr - THERMAL_TUNNING_CURR >=
TYPEC_MIDDLE_CURRENT_UA) {
chip->pd_thermal_curr -= THERMAL_TUNNING_CURR;
mmi_chrg_dbg(chip, PR_MOTO, "For thermal, decrease pps curr %d\n",
chip->pd_thermal_curr);
} else {
mmi_chrg_dbg(chip, PR_MOTO,
"pd_thermal_curr %dmA was less than %dmA, "
"Give up thermal mitigation!",
chip->pd_thermal_curr - THERMAL_TUNNING_CURR,
TYPEC_MIDDLE_CURRENT_UA);
}
} else if (ibatt_curr <
chip->thermal_mitigation[chip->system_thermal_level]
- CC_CURR_DEBOUNCE) {
if (chip->pd_thermal_curr + THERMAL_TUNNING_CURR <=
chip->pd_curr_max) {
chip->pd_thermal_curr += THERMAL_TUNNING_CURR;
mmi_chrg_dbg(chip, PR_MOTO, "For thermal, increase pps curr %d\n",
chip->pd_thermal_curr);
}
}
heartbeat_dely_ms = HEARTBEAT_SHORT_DELAY_MS;
}
} else if (chip->system_thermal_level > 0 &&
chip->system_thermal_level != chip->thermal_levels - 1 &&
sm_state == PM_STATE_SW_LOOP &&
chip->thermal_force_pmic_chrg) {
mmi_chrg_dbg(chip, PR_MOTO, "Try to recovery charger pump!\n");
mmi_chrg_sm_move_state(chip, PM_STATE_ENTRY);
}
if (chip->thermal_mitigation_doing) {
chip->pd_target_volt = min(chip->pd_request_volt, chip->pd_thermal_volt);