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power: adjust 27w charge policy, optimize charge performance

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-1, For the float voltage, add compensation voltage.
-2, add compensation current during the supper charging step.

Change-Id: I78079231e0b9fcb3079de2cc39406eb22ff8e2ce
Signed-off-by: xuwt2 <xuwt2@lenovo.com>
Reviewed-on: https://gerrit.mot.com/1239054
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Yonghua Yan <yanyh2@motorola.com>
Reviewed-by: Jianqi Yang <yangj@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
xuwt2 2018-09-07 14:38:00 +08:00 • committed by Wentao Xu
commit 5fae1f06aa
1 changed files with 36 additions and 20 deletions
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56
drivers/power/mmi_pl_chg_manager/mmi_pl_chg_manager.c
View file

@ -170,6 +170,7 @@ enum mmi_chrg_step {
struct sys_config {
u32 flashc_volt_hysteresis;
u32 flashc_curr_hysteresis;
u32 flashc_volt_up_steps;
u32 flashc_curr_up_steps;
u32 flashc_curr_down_steps;
@ -749,6 +750,7 @@ static void mmi_pl_pm_move_state(struct mmi_pl_chg_manager *chip, pm_sm_state_t
#define FG_ESR_PULSE_MAX_TIMEOUT 60000
#define FG_ESR_DECREMENT_UA 300000
#define FG_ESR_DECREMENT_UV 300000
#define FLASHC_CV_DECREMENT_UV 100000
#define HEARTBEAT_lOOP_WAIT_MS 5000
#define HEARTBEAT_PPS_TUNNING_MS 50
#define HEARTBEAT_SHORT_DELAY_MS 500
@ -1234,7 +1236,11 @@ static void mmi_pl_sm_work_func(struct work_struct *work)
chip->pps_select_pdo_retry_cont = 0;
if (chip->pps_increase_volt
&& ibat_curr < chip->flashc_cc_max_curr_pre
&& ibat_curr <
((chip->pres_chrg_step == STEP_SUPER) ?
chip->flashc_cc_max_curr_pre +
chip->sys_configs.flashc_curr_hysteresis :
chip->flashc_cc_max_curr_pre)
&& chip->request_volt <
chip->pps_voltage_max - 200000
&& chip->pmic_handle.vbat_volt <
@ -1355,7 +1361,7 @@ static void mmi_pl_sm_work_func(struct work_struct *work)
mmi_pl_pm_move_state(chip, PM_STATE_FLASHC_CV_LOOP);
chip->flashc_taper_cnt = 0;
chip->flashc_taper_delta_volt =
chip->sys_configs.flashc_volt_down_steps;
FLASHC_CV_DECREMENT_UV;
heartbeat_dely_ms = HEARTBEAT_NEXT_STATE_MS;
} else {
chip->flashc_taper_cnt++;
@ -1401,9 +1407,10 @@ static void mmi_pl_sm_work_func(struct work_struct *work)
} else
chip->pps_select_pdo_retry_cont = 0;
if (vbat_volt > chip->flashc_cv_max_volt_pre + 20000
&& chip->flashc_taper_delta_volt > 20000) {
chip->request_volt -= chip->flashc_taper_delta_volt;
if (vbat_volt > chip->flashc_cv_max_volt_pre + 20000) {
if (chip->flashc_taper_delta_volt > 20000)
chip->request_volt -= chip->flashc_taper_delta_volt;
else chip->request_volt -= 20000;
mmi_pl_dbg(chip, PR_MOTO, "For keeping flashc constant voltage step,"
"decrease pps voltage %d ,delta volta %d \n",
chip->request_volt, chip->flashc_taper_delta_volt);
@ -1421,22 +1428,10 @@ static void mmi_pl_sm_work_func(struct work_struct *work)
chip->request_volt, chip->request_current);
}
if (ibat_curr <= chip->flashc_cv_taper_curr_pre) {
if (ibat_curr <= chip->flashc_cv_taper_curr_pre ||
ibat_curr < chip->pmic_step_curr) {
if (chip->flashc_taper_cnt > FLASHC_TAPPER_COUNT) {
if (chrg_step != chip->pres_chrg_step
&& flashc_cc_max_curr < chip->flashc_cc_max_curr_pre) {
chip->pres_chrg_step = chrg_step;
chip->flashc_cc_max_curr_pre = flashc_cc_max_curr;
chip->flashc_cv_max_volt_pre = flashc_cv_max_volt;
chip->flashc_cv_taper_curr_pre = flashc_cv_taper_curr;
mmi_pl_dbg(chip, PR_MOTO,
"Start jump to the next charger step %d \n",
chip->pres_chrg_step);
mmi_pl_pm_move_state(chip, PM_STATE_FLASHC_CC_LOOP);
heartbeat_dely_ms = HEARTBEAT_NEXT_STATE_MS;
} else if (ibat_curr < chip->pmic_step_curr) {
if (ibat_curr < chip->pmic_step_curr) {
mmi_pl_dbg(chip, PR_MOTO,
"Ready to quit flashc CV charger, "
"chrg step %d ,"
@ -1453,6 +1448,19 @@ static void mmi_pl_sm_work_func(struct work_struct *work)
chip->pmic_step_volt,
chip->pmic_step_curr);
mmi_pl_pm_move_state(chip, PM_STATE_FLASHC_QUIT_1);
} else if (chrg_step != chip->pres_chrg_step
&& flashc_cc_max_curr < chip->flashc_cc_max_curr_pre) {
chip->pres_chrg_step = chrg_step;
chip->flashc_cc_max_curr_pre = flashc_cc_max_curr;
chip->flashc_cv_max_volt_pre = flashc_cv_max_volt;
chip->flashc_cv_taper_curr_pre = flashc_cv_taper_curr;
mmi_pl_dbg(chip, PR_MOTO,
"Start jump to the next charger step %d \n",
chip->pres_chrg_step);
mmi_pl_pm_move_state(chip, PM_STATE_FLASHC_CC_LOOP);
heartbeat_dely_ms = HEARTBEAT_NEXT_STATE_MS;
}
chip->flashc_taper_cnt = 0;
} else {
@ -1833,6 +1841,7 @@ static void psy_changed_work_func(struct work_struct *work)
#define DEFAULT_PMIC_STEP_CURR 2000000
#define DEFAULT_FLASHC_TAPER_CURR_LMT 2000000
#define DEFAULT_FLASHC_VOLT_HYSTERESIS 100000
#define DEFAULT_FLASHC_CURR_HYSTERESIS 300000
#define DEFAULT_FLASHC_VOLT_UP_STEPS 100000
#define DEFAULT_FLASHC_CURR_UP_STEPS 100000
#define DEFAULT_FLASHC_VOLT_DOWN_STEPS 100000
@ -1880,6 +1889,13 @@ static int mmi_pl_chg_manager_parse_dt(struct mmi_pl_chg_manager *chip)
chip->sys_configs.flashc_volt_hysteresis =
DEFAULT_FLASHC_VOLT_HYSTERESIS;
rc = of_property_read_u32(node,
"mmi,flashc-curr-hysteresis",
&chip->sys_configs.flashc_curr_hysteresis);
if (rc < 0)
chip->sys_configs.flashc_curr_hysteresis =
DEFAULT_FLASHC_CURR_HYSTERESIS;
rc = of_property_read_u32(node,
"mmi,flashc-volt-up-steps",
&chip->sys_configs.flashc_volt_up_steps);