Lines Matching +full:monitored +full:- +full:battery
1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) ST-Ericsson SA 2012
34 #include "ab8500-bm.h"
35 #include "ab8500-chargalg.h"
40 /* End-of-charge criteria counter */
179 * struct ab8500_charge_curr_maximization - Charger maximization parameters
183 current that is really going into the battery
210 * struct ab8500_chargalg - ab8500 Charging algorithm device information
212 * @charge_status: battery operating status
213 * @eoc_cnt: counter used to determine end-of_charge
222 * @batt_data: data of the battery
224 * @bm: Platform specific battery management information
225 * @curr_status: Current step status for over-current protection
227 * @chargalg_psy: structure that holds the battery properties exposed by
269 /* Main battery properties */
282 * ab8500_chargalg_safety_timer_expired() - Expiration of the safety timer
293 dev_err(di->dev, "Safety timer expired\n"); in ab8500_chargalg_safety_timer_expired()
294 di->events.safety_timer_expired = true; in ab8500_chargalg_safety_timer_expired()
297 queue_work(di->chargalg_wq, &di->chargalg_work); in ab8500_chargalg_safety_timer_expired()
303 * ab8500_chargalg_maintenance_timer_expired() - Expiration of
317 dev_dbg(di->dev, "Maintenance timer expired\n"); in ab8500_chargalg_maintenance_timer_expired()
318 di->events.maintenance_timer_expired = true; in ab8500_chargalg_maintenance_timer_expired()
321 queue_work(di->chargalg_wq, &di->chargalg_work); in ab8500_chargalg_maintenance_timer_expired()
327 * ab8500_chargalg_state_to() - Change charge state
335 dev_dbg(di->dev, in ab8500_chargalg_state_to()
337 di->charge_state == state ? "NO" : "YES", in ab8500_chargalg_state_to()
338 di->charge_state, in ab8500_chargalg_state_to()
339 states[di->charge_state], in ab8500_chargalg_state_to()
343 di->charge_state = state; in ab8500_chargalg_state_to()
348 switch (di->charge_state) { in ab8500_chargalg_check_charger_enable()
357 if (di->chg_info.charger_type & USB_CHG) { in ab8500_chargalg_check_charger_enable()
358 return di->usb_chg->ops.check_enable(di->usb_chg, in ab8500_chargalg_check_charger_enable()
359 di->bm->bat_type[di->bm->batt_id].normal_vol_lvl, in ab8500_chargalg_check_charger_enable()
360 di->bm->bat_type[di->bm->batt_id].normal_cur_lvl); in ab8500_chargalg_check_charger_enable()
361 } else if ((di->chg_info.charger_type & AC_CHG) && in ab8500_chargalg_check_charger_enable()
362 !(di->ac_chg->external)) { in ab8500_chargalg_check_charger_enable()
363 return di->ac_chg->ops.check_enable(di->ac_chg, in ab8500_chargalg_check_charger_enable()
364 di->bm->bat_type[di->bm->batt_id].normal_vol_lvl, in ab8500_chargalg_check_charger_enable()
365 di->bm->bat_type[di->bm->batt_id].normal_cur_lvl); in ab8500_chargalg_check_charger_enable()
371 * ab8500_chargalg_check_charger_connection() - Check charger connection change
379 if (di->chg_info.conn_chg != di->chg_info.prev_conn_chg || in ab8500_chargalg_check_charger_connection()
380 di->susp_status.suspended_change) { in ab8500_chargalg_check_charger_connection()
385 if ((di->chg_info.conn_chg & AC_CHG) && in ab8500_chargalg_check_charger_connection()
386 !di->susp_status.ac_suspended) { in ab8500_chargalg_check_charger_connection()
387 dev_dbg(di->dev, "Charging source is AC\n"); in ab8500_chargalg_check_charger_connection()
388 if (di->chg_info.charger_type != AC_CHG) { in ab8500_chargalg_check_charger_connection()
389 di->chg_info.charger_type = AC_CHG; in ab8500_chargalg_check_charger_connection()
392 } else if ((di->chg_info.conn_chg & USB_CHG) && in ab8500_chargalg_check_charger_connection()
393 !di->susp_status.usb_suspended) { in ab8500_chargalg_check_charger_connection()
394 dev_dbg(di->dev, "Charging source is USB\n"); in ab8500_chargalg_check_charger_connection()
395 di->chg_info.charger_type = USB_CHG; in ab8500_chargalg_check_charger_connection()
397 } else if (di->chg_info.conn_chg && in ab8500_chargalg_check_charger_connection()
398 (di->susp_status.ac_suspended || in ab8500_chargalg_check_charger_connection()
399 di->susp_status.usb_suspended)) { in ab8500_chargalg_check_charger_connection()
400 dev_dbg(di->dev, "Charging is suspended\n"); in ab8500_chargalg_check_charger_connection()
401 di->chg_info.charger_type = NO_CHG; in ab8500_chargalg_check_charger_connection()
404 dev_dbg(di->dev, "Charging source is OFF\n"); in ab8500_chargalg_check_charger_connection()
405 di->chg_info.charger_type = NO_CHG; in ab8500_chargalg_check_charger_connection()
408 di->chg_info.prev_conn_chg = di->chg_info.conn_chg; in ab8500_chargalg_check_charger_connection()
409 di->susp_status.suspended_change = false; in ab8500_chargalg_check_charger_connection()
411 return di->chg_info.conn_chg; in ab8500_chargalg_check_charger_connection()
415 * ab8500_chargalg_check_current_step_status() - Check charging current
425 if (di->curr_status.curr_step_change) in ab8500_chargalg_check_current_step_status()
427 di->curr_status.curr_step_change = false; in ab8500_chargalg_check_current_step_status()
431 * ab8500_chargalg_start_safety_timer() - Start charging safety timer
439 /* Charger-dependent expiration time in hours*/ in ab8500_chargalg_start_safety_timer()
442 switch (di->chg_info.charger_type) { in ab8500_chargalg_start_safety_timer()
444 timer_expiration = di->bm->main_safety_tmr_h; in ab8500_chargalg_start_safety_timer()
448 timer_expiration = di->bm->usb_safety_tmr_h; in ab8500_chargalg_start_safety_timer()
452 dev_err(di->dev, "Unknown charger to charge from\n"); in ab8500_chargalg_start_safety_timer()
456 di->events.safety_timer_expired = false; in ab8500_chargalg_start_safety_timer()
457 hrtimer_set_expires_range(&di->safety_timer, in ab8500_chargalg_start_safety_timer()
460 hrtimer_start_expires(&di->safety_timer, HRTIMER_MODE_REL); in ab8500_chargalg_start_safety_timer()
464 * ab8500_chargalg_stop_safety_timer() - Stop charging safety timer
471 if (hrtimer_try_to_cancel(&di->safety_timer) >= 0) in ab8500_chargalg_stop_safety_timer()
472 di->events.safety_timer_expired = false; in ab8500_chargalg_stop_safety_timer()
476 * ab8500_chargalg_start_maintenance_timer() - Start charging maintenance timer
480 * The maintenance timer is used to maintain the charge in the battery once
481 * the battery is considered full. These timers are chosen to match the
482 * discharge curve of the battery
487 hrtimer_set_expires_range(&di->maintenance_timer, in ab8500_chargalg_start_maintenance_timer()
490 di->events.maintenance_timer_expired = false; in ab8500_chargalg_start_maintenance_timer()
491 hrtimer_start_expires(&di->maintenance_timer, HRTIMER_MODE_REL); in ab8500_chargalg_start_maintenance_timer()
495 * ab8500_chargalg_stop_maintenance_timer() - Stop maintenance timer
503 if (hrtimer_try_to_cancel(&di->maintenance_timer) >= 0) in ab8500_chargalg_stop_maintenance_timer()
504 di->events.maintenance_timer_expired = false; in ab8500_chargalg_stop_maintenance_timer()
508 * ab8500_chargalg_kick_watchdog() - Kick charger watchdog
517 if (di->ac_chg && di->ac_chg->ops.kick_wd && in ab8500_chargalg_kick_watchdog()
518 di->chg_info.online_chg & AC_CHG) { in ab8500_chargalg_kick_watchdog()
524 if (di->ac_chg->external && in ab8500_chargalg_kick_watchdog()
525 di->usb_chg && di->usb_chg->ops.kick_wd) in ab8500_chargalg_kick_watchdog()
526 di->usb_chg->ops.kick_wd(di->usb_chg); in ab8500_chargalg_kick_watchdog()
528 return di->ac_chg->ops.kick_wd(di->ac_chg); in ab8500_chargalg_kick_watchdog()
529 } else if (di->usb_chg && di->usb_chg->ops.kick_wd && in ab8500_chargalg_kick_watchdog()
530 di->chg_info.online_chg & USB_CHG) in ab8500_chargalg_kick_watchdog()
531 return di->usb_chg->ops.kick_wd(di->usb_chg); in ab8500_chargalg_kick_watchdog()
533 return -ENXIO; in ab8500_chargalg_kick_watchdog()
537 * ab8500_chargalg_ac_en() - Turn on/off the AC charger
551 if (!di->ac_chg || !di->ac_chg->ops.enable) in ab8500_chargalg_ac_en()
552 return -ENXIO; in ab8500_chargalg_ac_en()
554 /* Select maximum of what both the charger and the battery supports */ in ab8500_chargalg_ac_en()
555 if (di->ac_chg->max_out_volt) in ab8500_chargalg_ac_en()
556 vset = min(vset, di->ac_chg->max_out_volt); in ab8500_chargalg_ac_en()
557 if (di->ac_chg->max_out_curr) in ab8500_chargalg_ac_en()
558 iset = min(iset, di->ac_chg->max_out_curr); in ab8500_chargalg_ac_en()
560 di->chg_info.ac_iset = iset; in ab8500_chargalg_ac_en()
561 di->chg_info.ac_vset = vset; in ab8500_chargalg_ac_en()
564 if (enable && di->ac_chg->external && in ab8500_chargalg_ac_en()
567 0, di->dev); in ab8500_chargalg_ac_en()
571 return di->ac_chg->ops.enable(di->ac_chg, enable, vset, iset); in ab8500_chargalg_ac_en()
575 * ab8500_chargalg_usb_en() - Turn on/off the USB charger
587 if (!di->usb_chg || !di->usb_chg->ops.enable) in ab8500_chargalg_usb_en()
588 return -ENXIO; in ab8500_chargalg_usb_en()
590 /* Select maximum of what both the charger and the battery supports */ in ab8500_chargalg_usb_en()
591 if (di->usb_chg->max_out_volt) in ab8500_chargalg_usb_en()
592 vset = min(vset, di->usb_chg->max_out_volt); in ab8500_chargalg_usb_en()
593 if (di->usb_chg->max_out_curr) in ab8500_chargalg_usb_en()
594 iset = min(iset, di->usb_chg->max_out_curr); in ab8500_chargalg_usb_en()
596 di->chg_info.usb_iset = iset; in ab8500_chargalg_usb_en()
597 di->chg_info.usb_vset = vset; in ab8500_chargalg_usb_en()
599 return di->usb_chg->ops.enable(di->usb_chg, enable, vset, iset); in ab8500_chargalg_usb_en()
603 * ab8500_chargalg_update_chg_curr() - Update charger current
614 if (di->ac_chg && di->ac_chg->ops.update_curr && in ab8500_chargalg_update_chg_curr()
615 di->chg_info.charger_type & AC_CHG) { in ab8500_chargalg_update_chg_curr()
618 * and the battery supports in ab8500_chargalg_update_chg_curr()
620 if (di->ac_chg->max_out_curr) in ab8500_chargalg_update_chg_curr()
621 iset = min(iset, di->ac_chg->max_out_curr); in ab8500_chargalg_update_chg_curr()
623 di->chg_info.ac_iset = iset; in ab8500_chargalg_update_chg_curr()
625 return di->ac_chg->ops.update_curr(di->ac_chg, iset); in ab8500_chargalg_update_chg_curr()
626 } else if (di->usb_chg && di->usb_chg->ops.update_curr && in ab8500_chargalg_update_chg_curr()
627 di->chg_info.charger_type & USB_CHG) { in ab8500_chargalg_update_chg_curr()
630 * and the battery supports in ab8500_chargalg_update_chg_curr()
632 if (di->usb_chg->max_out_curr) in ab8500_chargalg_update_chg_curr()
633 iset = min(iset, di->usb_chg->max_out_curr); in ab8500_chargalg_update_chg_curr()
635 di->chg_info.usb_iset = iset; in ab8500_chargalg_update_chg_curr()
637 return di->usb_chg->ops.update_curr(di->usb_chg, iset); in ab8500_chargalg_update_chg_curr()
640 return -ENXIO; in ab8500_chargalg_update_chg_curr()
644 * ab8500_chargalg_stop_charging() - Stop charging
657 di->charge_status = POWER_SUPPLY_STATUS_NOT_CHARGING; in ab8500_chargalg_stop_charging()
658 di->maintenance_chg = false; in ab8500_chargalg_stop_charging()
659 cancel_delayed_work(&di->chargalg_wd_work); in ab8500_chargalg_stop_charging()
660 power_supply_changed(di->chargalg_psy); in ab8500_chargalg_stop_charging()
664 * ab8500_chargalg_hold_charging() - Pauses charging
668 * disabled and instead a battery voltage mode is entered to check when the
669 * battery voltage has reached a certain recharge voltage
677 di->charge_status = POWER_SUPPLY_STATUS_CHARGING; in ab8500_chargalg_hold_charging()
678 di->maintenance_chg = false; in ab8500_chargalg_hold_charging()
679 cancel_delayed_work(&di->chargalg_wd_work); in ab8500_chargalg_hold_charging()
680 power_supply_changed(di->chargalg_psy); in ab8500_chargalg_hold_charging()
684 * ab8500_chargalg_start_charging() - Start the charger
695 switch (di->chg_info.charger_type) { in ab8500_chargalg_start_charging()
697 dev_dbg(di->dev, in ab8500_chargalg_start_charging()
704 dev_dbg(di->dev, in ab8500_chargalg_start_charging()
711 dev_err(di->dev, "Unknown charger to charge from\n"); in ab8500_chargalg_start_charging()
717 * ab8500_chargalg_check_temp() - Check battery temperature ranges
720 * The battery temperature is checked against the predefined limits and the
725 if (di->batt_data.temp > (di->bm->temp_low + di->t_hyst_norm) && in ab8500_chargalg_check_temp()
726 di->batt_data.temp < (di->bm->temp_high - di->t_hyst_norm)) { in ab8500_chargalg_check_temp()
728 di->events.btemp_underover = false; in ab8500_chargalg_check_temp()
729 di->events.btemp_lowhigh = false; in ab8500_chargalg_check_temp()
730 di->t_hyst_norm = 0; in ab8500_chargalg_check_temp()
731 di->t_hyst_lowhigh = 0; in ab8500_chargalg_check_temp()
733 if (((di->batt_data.temp >= di->bm->temp_high) && in ab8500_chargalg_check_temp()
734 (di->batt_data.temp < in ab8500_chargalg_check_temp()
735 (di->bm->temp_over - di->t_hyst_lowhigh))) || in ab8500_chargalg_check_temp()
736 ((di->batt_data.temp > in ab8500_chargalg_check_temp()
737 (di->bm->temp_under + di->t_hyst_lowhigh)) && in ab8500_chargalg_check_temp()
738 (di->batt_data.temp <= di->bm->temp_low))) { in ab8500_chargalg_check_temp()
740 di->events.btemp_underover = false; in ab8500_chargalg_check_temp()
741 di->events.btemp_lowhigh = true; in ab8500_chargalg_check_temp()
742 di->t_hyst_norm = di->bm->temp_hysteresis; in ab8500_chargalg_check_temp()
743 di->t_hyst_lowhigh = 0; in ab8500_chargalg_check_temp()
744 } else if (di->batt_data.temp <= di->bm->temp_under || in ab8500_chargalg_check_temp()
745 di->batt_data.temp >= di->bm->temp_over) { in ab8500_chargalg_check_temp()
747 di->events.btemp_underover = true; in ab8500_chargalg_check_temp()
748 di->events.btemp_lowhigh = false; in ab8500_chargalg_check_temp()
749 di->t_hyst_norm = 0; in ab8500_chargalg_check_temp()
750 di->t_hyst_lowhigh = di->bm->temp_hysteresis; in ab8500_chargalg_check_temp()
753 dev_dbg(di->dev, "Within hysteresis limit temp: %d " in ab8500_chargalg_check_temp()
755 di->batt_data.temp, di->t_hyst_lowhigh, in ab8500_chargalg_check_temp()
756 di->t_hyst_norm); in ab8500_chargalg_check_temp()
762 * ab8500_chargalg_check_charger_voltage() - Check charger voltage
769 if (di->chg_info.usb_volt > di->bm->chg_params->usb_volt_max) in ab8500_chargalg_check_charger_voltage()
770 di->chg_info.usb_chg_ok = false; in ab8500_chargalg_check_charger_voltage()
772 di->chg_info.usb_chg_ok = true; in ab8500_chargalg_check_charger_voltage()
774 if (di->chg_info.ac_volt > di->bm->chg_params->ac_volt_max) in ab8500_chargalg_check_charger_voltage()
775 di->chg_info.ac_chg_ok = false; in ab8500_chargalg_check_charger_voltage()
777 di->chg_info.ac_chg_ok = true; in ab8500_chargalg_check_charger_voltage()
782 * ab8500_chargalg_end_of_charge() - Check if end-of-charge criteria is fulfilled
785 * End-of-charge criteria is fulfilled when the battery voltage is above a
786 * certain limit and the battery current is below a certain limit for a
787 * predefined number of consecutive seconds. If true, the battery is full
791 if (di->charge_status == POWER_SUPPLY_STATUS_CHARGING && in ab8500_chargalg_end_of_charge()
792 di->charge_state == STATE_NORMAL && in ab8500_chargalg_end_of_charge()
793 !di->maintenance_chg && (di->batt_data.volt >= in ab8500_chargalg_end_of_charge()
794 di->bm->bat_type[di->bm->batt_id].termination_vol || in ab8500_chargalg_end_of_charge()
795 di->events.usb_cv_active || di->events.ac_cv_active) && in ab8500_chargalg_end_of_charge()
796 di->batt_data.avg_curr < in ab8500_chargalg_end_of_charge()
797 di->bm->bat_type[di->bm->batt_id].termination_curr && in ab8500_chargalg_end_of_charge()
798 di->batt_data.avg_curr > 0) { in ab8500_chargalg_end_of_charge()
799 if (++di->eoc_cnt >= EOC_COND_CNT) { in ab8500_chargalg_end_of_charge()
800 di->eoc_cnt = 0; in ab8500_chargalg_end_of_charge()
801 di->charge_status = POWER_SUPPLY_STATUS_FULL; in ab8500_chargalg_end_of_charge()
802 di->maintenance_chg = true; in ab8500_chargalg_end_of_charge()
803 dev_dbg(di->dev, "EOC reached!\n"); in ab8500_chargalg_end_of_charge()
804 power_supply_changed(di->chargalg_psy); in ab8500_chargalg_end_of_charge()
806 dev_dbg(di->dev, in ab8500_chargalg_end_of_charge()
809 di->eoc_cnt, in ab8500_chargalg_end_of_charge()
813 di->eoc_cnt = 0; in ab8500_chargalg_end_of_charge()
819 di->ccm.original_iset = in init_maxim_chg_curr()
820 di->bm->bat_type[di->bm->batt_id].normal_cur_lvl; in init_maxim_chg_curr()
821 di->ccm.current_iset = in init_maxim_chg_curr()
822 di->bm->bat_type[di->bm->batt_id].normal_cur_lvl; in init_maxim_chg_curr()
823 di->ccm.test_delta_i = di->bm->maxi->charger_curr_step; in init_maxim_chg_curr()
824 di->ccm.max_current = di->bm->maxi->chg_curr; in init_maxim_chg_curr()
825 di->ccm.condition_cnt = di->bm->maxi->wait_cycles; in init_maxim_chg_curr()
826 di->ccm.level = 0; in init_maxim_chg_curr()
830 * ab8500_chargalg_chg_curr_maxim - increases the charger current to
835 * battery current as close to the optimal value as possible. The battery
842 if (!di->bm->maxi->ena_maxi) in ab8500_chargalg_chg_curr_maxim()
845 delta_i = di->ccm.original_iset - di->batt_data.inst_curr; in ab8500_chargalg_chg_curr_maxim()
847 if (di->events.vbus_collapsed) { in ab8500_chargalg_chg_curr_maxim()
848 dev_dbg(di->dev, "Charger voltage has collapsed %d\n", in ab8500_chargalg_chg_curr_maxim()
849 di->ccm.wait_cnt); in ab8500_chargalg_chg_curr_maxim()
850 if (di->ccm.wait_cnt == 0) { in ab8500_chargalg_chg_curr_maxim()
851 dev_dbg(di->dev, "lowering current\n"); in ab8500_chargalg_chg_curr_maxim()
852 di->ccm.wait_cnt++; in ab8500_chargalg_chg_curr_maxim()
853 di->ccm.condition_cnt = di->bm->maxi->wait_cycles; in ab8500_chargalg_chg_curr_maxim()
854 di->ccm.max_current = in ab8500_chargalg_chg_curr_maxim()
855 di->ccm.current_iset - di->ccm.test_delta_i; in ab8500_chargalg_chg_curr_maxim()
856 di->ccm.current_iset = di->ccm.max_current; in ab8500_chargalg_chg_curr_maxim()
857 di->ccm.level--; in ab8500_chargalg_chg_curr_maxim()
860 dev_dbg(di->dev, "waiting\n"); in ab8500_chargalg_chg_curr_maxim()
862 di->ccm.wait_cnt = (di->ccm.wait_cnt + 1) % 3; in ab8500_chargalg_chg_curr_maxim()
867 di->ccm.wait_cnt = 0; in ab8500_chargalg_chg_curr_maxim()
869 if (di->batt_data.inst_curr > di->ccm.original_iset) { in ab8500_chargalg_chg_curr_maxim()
870 dev_dbg(di->dev, " Maximization Ibat (%dmA) too high" in ab8500_chargalg_chg_curr_maxim()
872 di->batt_data.inst_curr, di->ccm.original_iset, in ab8500_chargalg_chg_curr_maxim()
873 di->ccm.current_iset); in ab8500_chargalg_chg_curr_maxim()
875 if (di->ccm.current_iset == di->ccm.original_iset) in ab8500_chargalg_chg_curr_maxim()
878 di->ccm.condition_cnt = di->bm->maxi->wait_cycles; in ab8500_chargalg_chg_curr_maxim()
879 di->ccm.current_iset = di->ccm.original_iset; in ab8500_chargalg_chg_curr_maxim()
880 di->ccm.level = 0; in ab8500_chargalg_chg_curr_maxim()
885 if (delta_i > di->ccm.test_delta_i && in ab8500_chargalg_chg_curr_maxim()
886 (di->ccm.current_iset + di->ccm.test_delta_i) < in ab8500_chargalg_chg_curr_maxim()
887 di->ccm.max_current) { in ab8500_chargalg_chg_curr_maxim()
888 if (di->ccm.condition_cnt-- == 0) { in ab8500_chargalg_chg_curr_maxim()
890 di->ccm.condition_cnt = di->bm->maxi->wait_cycles; in ab8500_chargalg_chg_curr_maxim()
891 di->ccm.current_iset += di->ccm.test_delta_i; in ab8500_chargalg_chg_curr_maxim()
892 di->ccm.level++; in ab8500_chargalg_chg_curr_maxim()
893 dev_dbg(di->dev, " Maximization needed, increase" in ab8500_chargalg_chg_curr_maxim()
896 di->ccm.test_delta_i, in ab8500_chargalg_chg_curr_maxim()
897 di->ccm.current_iset, in ab8500_chargalg_chg_curr_maxim()
898 di->ccm.original_iset, in ab8500_chargalg_chg_curr_maxim()
899 di->ccm.level); in ab8500_chargalg_chg_curr_maxim()
905 di->ccm.condition_cnt = di->bm->maxi->wait_cycles; in ab8500_chargalg_chg_curr_maxim()
919 di->ccm.current_iset); in handle_maxim_chg_curr()
921 dev_err(di->dev, "failed to set chg curr\n"); in handle_maxim_chg_curr()
925 di->bm->bat_type[di->bm->batt_id].normal_cur_lvl); in handle_maxim_chg_curr()
927 dev_err(di->dev, "failed to set chg curr\n"); in handle_maxim_chg_curr()
941 const char **supplicants = (const char **)ext->supplied_to; in ab8500_chargalg_get_ext_psy_data()
950 j = match_string(supplicants, ext->num_supplicants, psy->desc->name); in ab8500_chargalg_get_ext_psy_data()
957 * the place to get the battery capacity. in ab8500_chargalg_get_ext_psy_data()
960 di->batt_data.percent = ret.intval; in ab8500_chargalg_get_ext_psy_data()
965 for (j = 0; j < ext->desc->num_properties; j++) { in ab8500_chargalg_get_ext_psy_data()
967 prop = ext->desc->properties[j]; in ab8500_chargalg_get_ext_psy_data()
972 if (!di->ac_chg && in ab8500_chargalg_get_ext_psy_data()
973 ext->desc->type == POWER_SUPPLY_TYPE_MAINS) in ab8500_chargalg_get_ext_psy_data()
974 di->ac_chg = psy_to_ux500_charger(ext); in ab8500_chargalg_get_ext_psy_data()
975 else if (!di->usb_chg && in ab8500_chargalg_get_ext_psy_data()
976 ext->desc->type == POWER_SUPPLY_TYPE_USB) in ab8500_chargalg_get_ext_psy_data()
977 di->usb_chg = psy_to_ux500_charger(ext); in ab8500_chargalg_get_ext_psy_data()
983 switch (ext->desc->type) { in ab8500_chargalg_get_ext_psy_data()
985 /* Battery present */ in ab8500_chargalg_get_ext_psy_data()
987 di->events.batt_rem = false; in ab8500_chargalg_get_ext_psy_data()
988 /* Battery removed */ in ab8500_chargalg_get_ext_psy_data()
990 di->events.batt_rem = true; in ab8500_chargalg_get_ext_psy_data()
995 (di->chg_info.conn_chg & AC_CHG)) { in ab8500_chargalg_get_ext_psy_data()
996 di->chg_info.prev_conn_chg = in ab8500_chargalg_get_ext_psy_data()
997 di->chg_info.conn_chg; in ab8500_chargalg_get_ext_psy_data()
998 di->chg_info.conn_chg &= ~AC_CHG; in ab8500_chargalg_get_ext_psy_data()
1002 !(di->chg_info.conn_chg & AC_CHG)) { in ab8500_chargalg_get_ext_psy_data()
1003 di->chg_info.prev_conn_chg = in ab8500_chargalg_get_ext_psy_data()
1004 di->chg_info.conn_chg; in ab8500_chargalg_get_ext_psy_data()
1005 di->chg_info.conn_chg |= AC_CHG; in ab8500_chargalg_get_ext_psy_data()
1011 (di->chg_info.conn_chg & USB_CHG)) { in ab8500_chargalg_get_ext_psy_data()
1012 di->chg_info.prev_conn_chg = in ab8500_chargalg_get_ext_psy_data()
1013 di->chg_info.conn_chg; in ab8500_chargalg_get_ext_psy_data()
1014 di->chg_info.conn_chg &= ~USB_CHG; in ab8500_chargalg_get_ext_psy_data()
1018 !(di->chg_info.conn_chg & USB_CHG)) { in ab8500_chargalg_get_ext_psy_data()
1019 di->chg_info.prev_conn_chg = in ab8500_chargalg_get_ext_psy_data()
1020 di->chg_info.conn_chg; in ab8500_chargalg_get_ext_psy_data()
1021 di->chg_info.conn_chg |= USB_CHG; in ab8500_chargalg_get_ext_psy_data()
1030 switch (ext->desc->type) { in ab8500_chargalg_get_ext_psy_data()
1036 (di->chg_info.online_chg & AC_CHG)) { in ab8500_chargalg_get_ext_psy_data()
1037 di->chg_info.prev_online_chg = in ab8500_chargalg_get_ext_psy_data()
1038 di->chg_info.online_chg; in ab8500_chargalg_get_ext_psy_data()
1039 di->chg_info.online_chg &= ~AC_CHG; in ab8500_chargalg_get_ext_psy_data()
1043 !(di->chg_info.online_chg & AC_CHG)) { in ab8500_chargalg_get_ext_psy_data()
1044 di->chg_info.prev_online_chg = in ab8500_chargalg_get_ext_psy_data()
1045 di->chg_info.online_chg; in ab8500_chargalg_get_ext_psy_data()
1046 di->chg_info.online_chg |= AC_CHG; in ab8500_chargalg_get_ext_psy_data()
1047 queue_delayed_work(di->chargalg_wq, in ab8500_chargalg_get_ext_psy_data()
1048 &di->chargalg_wd_work, 0); in ab8500_chargalg_get_ext_psy_data()
1054 (di->chg_info.online_chg & USB_CHG)) { in ab8500_chargalg_get_ext_psy_data()
1055 di->chg_info.prev_online_chg = in ab8500_chargalg_get_ext_psy_data()
1056 di->chg_info.online_chg; in ab8500_chargalg_get_ext_psy_data()
1057 di->chg_info.online_chg &= ~USB_CHG; in ab8500_chargalg_get_ext_psy_data()
1061 !(di->chg_info.online_chg & USB_CHG)) { in ab8500_chargalg_get_ext_psy_data()
1062 di->chg_info.prev_online_chg = in ab8500_chargalg_get_ext_psy_data()
1063 di->chg_info.online_chg; in ab8500_chargalg_get_ext_psy_data()
1064 di->chg_info.online_chg |= USB_CHG; in ab8500_chargalg_get_ext_psy_data()
1065 queue_delayed_work(di->chargalg_wq, in ab8500_chargalg_get_ext_psy_data()
1066 &di->chargalg_wd_work, 0); in ab8500_chargalg_get_ext_psy_data()
1075 switch (ext->desc->type) { in ab8500_chargalg_get_ext_psy_data()
1081 di->events.mainextchnotok = true; in ab8500_chargalg_get_ext_psy_data()
1082 di->events.main_thermal_prot = false; in ab8500_chargalg_get_ext_psy_data()
1083 di->events.main_ovv = false; in ab8500_chargalg_get_ext_psy_data()
1084 di->events.ac_wd_expired = false; in ab8500_chargalg_get_ext_psy_data()
1087 di->events.ac_wd_expired = true; in ab8500_chargalg_get_ext_psy_data()
1088 di->events.mainextchnotok = false; in ab8500_chargalg_get_ext_psy_data()
1089 di->events.main_ovv = false; in ab8500_chargalg_get_ext_psy_data()
1090 di->events.main_thermal_prot = false; in ab8500_chargalg_get_ext_psy_data()
1094 di->events.main_thermal_prot = true; in ab8500_chargalg_get_ext_psy_data()
1095 di->events.mainextchnotok = false; in ab8500_chargalg_get_ext_psy_data()
1096 di->events.main_ovv = false; in ab8500_chargalg_get_ext_psy_data()
1097 di->events.ac_wd_expired = false; in ab8500_chargalg_get_ext_psy_data()
1100 di->events.main_ovv = true; in ab8500_chargalg_get_ext_psy_data()
1101 di->events.mainextchnotok = false; in ab8500_chargalg_get_ext_psy_data()
1102 di->events.main_thermal_prot = false; in ab8500_chargalg_get_ext_psy_data()
1103 di->events.ac_wd_expired = false; in ab8500_chargalg_get_ext_psy_data()
1106 di->events.main_thermal_prot = false; in ab8500_chargalg_get_ext_psy_data()
1107 di->events.mainextchnotok = false; in ab8500_chargalg_get_ext_psy_data()
1108 di->events.main_ovv = false; in ab8500_chargalg_get_ext_psy_data()
1109 di->events.ac_wd_expired = false; in ab8500_chargalg_get_ext_psy_data()
1119 di->events.usbchargernotok = true; in ab8500_chargalg_get_ext_psy_data()
1120 di->events.usb_thermal_prot = false; in ab8500_chargalg_get_ext_psy_data()
1121 di->events.vbus_ovv = false; in ab8500_chargalg_get_ext_psy_data()
1122 di->events.usb_wd_expired = false; in ab8500_chargalg_get_ext_psy_data()
1125 di->events.usb_wd_expired = true; in ab8500_chargalg_get_ext_psy_data()
1126 di->events.usbchargernotok = false; in ab8500_chargalg_get_ext_psy_data()
1127 di->events.usb_thermal_prot = false; in ab8500_chargalg_get_ext_psy_data()
1128 di->events.vbus_ovv = false; in ab8500_chargalg_get_ext_psy_data()
1132 di->events.usb_thermal_prot = true; in ab8500_chargalg_get_ext_psy_data()
1133 di->events.usbchargernotok = false; in ab8500_chargalg_get_ext_psy_data()
1134 di->events.vbus_ovv = false; in ab8500_chargalg_get_ext_psy_data()
1135 di->events.usb_wd_expired = false; in ab8500_chargalg_get_ext_psy_data()
1138 di->events.vbus_ovv = true; in ab8500_chargalg_get_ext_psy_data()
1139 di->events.usbchargernotok = false; in ab8500_chargalg_get_ext_psy_data()
1140 di->events.usb_thermal_prot = false; in ab8500_chargalg_get_ext_psy_data()
1141 di->events.usb_wd_expired = false; in ab8500_chargalg_get_ext_psy_data()
1144 di->events.usbchargernotok = false; in ab8500_chargalg_get_ext_psy_data()
1145 di->events.usb_thermal_prot = false; in ab8500_chargalg_get_ext_psy_data()
1146 di->events.vbus_ovv = false; in ab8500_chargalg_get_ext_psy_data()
1147 di->events.usb_wd_expired = false; in ab8500_chargalg_get_ext_psy_data()
1159 switch (ext->desc->type) { in ab8500_chargalg_get_ext_psy_data()
1161 di->batt_data.volt = ret.intval / 1000; in ab8500_chargalg_get_ext_psy_data()
1164 di->chg_info.ac_volt = ret.intval / 1000; in ab8500_chargalg_get_ext_psy_data()
1167 di->chg_info.usb_volt = ret.intval / 1000; in ab8500_chargalg_get_ext_psy_data()
1175 switch (ext->desc->type) { in ab8500_chargalg_get_ext_psy_data()
1180 di->events.ac_cv_active = true; in ab8500_chargalg_get_ext_psy_data()
1182 di->events.ac_cv_active = false; in ab8500_chargalg_get_ext_psy_data()
1189 di->events.usb_cv_active = true; in ab8500_chargalg_get_ext_psy_data()
1191 di->events.usb_cv_active = false; in ab8500_chargalg_get_ext_psy_data()
1200 switch (ext->desc->type) { in ab8500_chargalg_get_ext_psy_data()
1203 di->events.batt_unknown = false; in ab8500_chargalg_get_ext_psy_data()
1205 di->events.batt_unknown = true; in ab8500_chargalg_get_ext_psy_data()
1214 di->batt_data.temp = ret.intval / 10; in ab8500_chargalg_get_ext_psy_data()
1218 switch (ext->desc->type) { in ab8500_chargalg_get_ext_psy_data()
1220 di->chg_info.ac_curr = in ab8500_chargalg_get_ext_psy_data()
1224 di->chg_info.usb_curr = in ab8500_chargalg_get_ext_psy_data()
1228 di->batt_data.inst_curr = ret.intval / 1000; in ab8500_chargalg_get_ext_psy_data()
1236 switch (ext->desc->type) { in ab8500_chargalg_get_ext_psy_data()
1238 di->batt_data.avg_curr = ret.intval / 1000; in ab8500_chargalg_get_ext_psy_data()
1242 di->events.vbus_collapsed = true; in ab8500_chargalg_get_ext_psy_data()
1244 di->events.vbus_collapsed = false; in ab8500_chargalg_get_ext_psy_data()
1252 di->batt_data.percent = ret.intval; in ab8500_chargalg_get_ext_psy_data()
1262 * ab8500_chargalg_external_power_changed() - callback for power supply changes
1278 if (di->chargalg_wq) in ab8500_chargalg_external_power_changed()
1279 queue_work(di->chargalg_wq, &di->chargalg_work); in ab8500_chargalg_external_power_changed()
1283 * ab8500_chargalg_algorithm() - Main function for the algorithm
1298 di->chargalg_psy, ab8500_chargalg_get_ext_psy_data); in ab8500_chargalg_algorithm()
1307 if (is_ab8500(di->parent)) { in ab8500_chargalg_algorithm()
1310 dev_err(di->dev, "Checking charger is enabled error" in ab8500_chargalg_algorithm()
1320 (di->events.batt_unknown && !di->bm->chg_unknown_bat)) { in ab8500_chargalg_algorithm()
1321 if (di->charge_state != STATE_HANDHELD) { in ab8500_chargalg_algorithm()
1322 di->events.safety_timer_expired = false; in ab8500_chargalg_algorithm()
1328 else if (di->charge_state == STATE_SUSPENDED_INIT || in ab8500_chargalg_algorithm()
1329 di->charge_state == STATE_SUSPENDED) { in ab8500_chargalg_algorithm()
1334 else if (di->events.safety_timer_expired) { in ab8500_chargalg_algorithm()
1335 if (di->charge_state != STATE_SAFETY_TIMER_EXPIRED) in ab8500_chargalg_algorithm()
1344 /* Battery removed */ in ab8500_chargalg_algorithm()
1345 else if (di->events.batt_rem) { in ab8500_chargalg_algorithm()
1346 if (di->charge_state != STATE_BATT_REMOVED) in ab8500_chargalg_algorithm()
1350 else if (di->events.mainextchnotok || di->events.usbchargernotok) { in ab8500_chargalg_algorithm()
1355 if (di->charge_state != STATE_CHG_NOT_OK && in ab8500_chargalg_algorithm()
1356 !di->events.vbus_collapsed) in ab8500_chargalg_algorithm()
1360 else if (di->events.vbus_ovv || in ab8500_chargalg_algorithm()
1361 di->events.main_ovv || in ab8500_chargalg_algorithm()
1362 di->events.batt_ovv || in ab8500_chargalg_algorithm()
1363 !di->chg_info.usb_chg_ok || in ab8500_chargalg_algorithm()
1364 !di->chg_info.ac_chg_ok) { in ab8500_chargalg_algorithm()
1365 if (di->charge_state != STATE_OVV_PROTECT) in ab8500_chargalg_algorithm()
1369 else if (di->events.main_thermal_prot || in ab8500_chargalg_algorithm()
1370 di->events.usb_thermal_prot) { in ab8500_chargalg_algorithm()
1371 if (di->charge_state != STATE_HW_TEMP_PROTECT) in ab8500_chargalg_algorithm()
1375 /* Battery temp over/under */ in ab8500_chargalg_algorithm()
1376 else if (di->events.btemp_underover) { in ab8500_chargalg_algorithm()
1377 if (di->charge_state != STATE_TEMP_UNDEROVER) in ab8500_chargalg_algorithm()
1382 else if (di->events.ac_wd_expired || in ab8500_chargalg_algorithm()
1383 di->events.usb_wd_expired) { in ab8500_chargalg_algorithm()
1384 if (di->charge_state != STATE_WD_EXPIRED) in ab8500_chargalg_algorithm()
1387 /* Battery temp high/low */ in ab8500_chargalg_algorithm()
1388 else if (di->events.btemp_lowhigh) { in ab8500_chargalg_algorithm()
1389 if (di->charge_state != STATE_TEMP_LOWHIGH) in ab8500_chargalg_algorithm()
1393 dev_dbg(di->dev, in ab8500_chargalg_algorithm()
1398 di->batt_data.volt, in ab8500_chargalg_algorithm()
1399 di->batt_data.avg_curr, in ab8500_chargalg_algorithm()
1400 di->batt_data.inst_curr, in ab8500_chargalg_algorithm()
1401 di->batt_data.temp, in ab8500_chargalg_algorithm()
1402 di->batt_data.percent, in ab8500_chargalg_algorithm()
1403 di->maintenance_chg, in ab8500_chargalg_algorithm()
1404 states[di->charge_state], in ab8500_chargalg_algorithm()
1405 di->chg_info.charger_type, in ab8500_chargalg_algorithm()
1406 di->charge_status, in ab8500_chargalg_algorithm()
1407 di->chg_info.conn_chg & AC_CHG, in ab8500_chargalg_algorithm()
1408 di->chg_info.conn_chg & USB_CHG, in ab8500_chargalg_algorithm()
1409 di->chg_info.online_chg & AC_CHG, in ab8500_chargalg_algorithm()
1410 di->chg_info.online_chg & USB_CHG, in ab8500_chargalg_algorithm()
1411 di->events.ac_cv_active, in ab8500_chargalg_algorithm()
1412 di->events.usb_cv_active, in ab8500_chargalg_algorithm()
1413 di->chg_info.ac_curr, in ab8500_chargalg_algorithm()
1414 di->chg_info.usb_curr, in ab8500_chargalg_algorithm()
1415 di->chg_info.ac_vset, in ab8500_chargalg_algorithm()
1416 di->chg_info.ac_iset, in ab8500_chargalg_algorithm()
1417 di->chg_info.usb_vset, in ab8500_chargalg_algorithm()
1418 di->chg_info.usb_iset); in ab8500_chargalg_algorithm()
1420 switch (di->charge_state) { in ab8500_chargalg_algorithm()
1423 di->charge_status = POWER_SUPPLY_STATUS_DISCHARGING; in ab8500_chargalg_algorithm()
1431 if (di->susp_status.ac_suspended) in ab8500_chargalg_algorithm()
1433 if (di->susp_status.usb_suspended) in ab8500_chargalg_algorithm()
1437 di->charge_status = POWER_SUPPLY_STATUS_NOT_CHARGING; in ab8500_chargalg_algorithm()
1438 di->maintenance_chg = false; in ab8500_chargalg_algorithm()
1440 power_supply_changed(di->chargalg_psy); in ab8500_chargalg_algorithm()
1453 if (!di->events.batt_rem) in ab8500_chargalg_algorithm()
1463 if (!di->events.main_thermal_prot && in ab8500_chargalg_algorithm()
1464 !di->events.usb_thermal_prot) in ab8500_chargalg_algorithm()
1474 if (!di->events.vbus_ovv && in ab8500_chargalg_algorithm()
1475 !di->events.main_ovv && in ab8500_chargalg_algorithm()
1476 !di->events.batt_ovv && in ab8500_chargalg_algorithm()
1477 di->chg_info.usb_chg_ok && in ab8500_chargalg_algorithm()
1478 di->chg_info.ac_chg_ok) in ab8500_chargalg_algorithm()
1488 if (!di->events.mainextchnotok && in ab8500_chargalg_algorithm()
1489 !di->events.usbchargernotok) in ab8500_chargalg_algorithm()
1503 if (di->curr_status.curr_step == CHARGALG_CURR_STEP_LOW) in ab8500_chargalg_algorithm()
1506 curr_step_lvl = di->bm->bat_type[ in ab8500_chargalg_algorithm()
1507 di->bm->batt_id].normal_cur_lvl in ab8500_chargalg_algorithm()
1508 * di->curr_status.curr_step in ab8500_chargalg_algorithm()
1511 di->bm->bat_type[di->bm->batt_id] in ab8500_chargalg_algorithm()
1519 di->charge_status = POWER_SUPPLY_STATUS_CHARGING; in ab8500_chargalg_algorithm()
1520 di->eoc_cnt = 0; in ab8500_chargalg_algorithm()
1521 di->maintenance_chg = false; in ab8500_chargalg_algorithm()
1522 power_supply_changed(di->chargalg_psy); in ab8500_chargalg_algorithm()
1528 if (di->charge_status == POWER_SUPPLY_STATUS_FULL && in ab8500_chargalg_algorithm()
1529 di->maintenance_chg) { in ab8500_chargalg_algorithm()
1530 if (di->bm->no_maintenance) in ab8500_chargalg_algorithm()
1546 if (di->batt_data.percent <= in ab8500_chargalg_algorithm()
1547 di->bm->bat_type[di->bm->batt_id].recharge_cap) in ab8500_chargalg_algorithm()
1554 di->bm->bat_type[ in ab8500_chargalg_algorithm()
1555 di->bm->batt_id].maint_a_chg_timer_h); in ab8500_chargalg_algorithm()
1557 di->bm->bat_type[ in ab8500_chargalg_algorithm()
1558 di->bm->batt_id].maint_a_vol_lvl, in ab8500_chargalg_algorithm()
1559 di->bm->bat_type[ in ab8500_chargalg_algorithm()
1560 di->bm->batt_id].maint_a_cur_lvl); in ab8500_chargalg_algorithm()
1562 power_supply_changed(di->chargalg_psy); in ab8500_chargalg_algorithm()
1566 if (di->events.maintenance_timer_expired) { in ab8500_chargalg_algorithm()
1574 di->bm->bat_type[ in ab8500_chargalg_algorithm()
1575 di->bm->batt_id].maint_b_chg_timer_h); in ab8500_chargalg_algorithm()
1577 di->bm->bat_type[ in ab8500_chargalg_algorithm()
1578 di->bm->batt_id].maint_b_vol_lvl, in ab8500_chargalg_algorithm()
1579 di->bm->bat_type[ in ab8500_chargalg_algorithm()
1580 di->bm->batt_id].maint_b_cur_lvl); in ab8500_chargalg_algorithm()
1582 power_supply_changed(di->chargalg_psy); in ab8500_chargalg_algorithm()
1586 if (di->events.maintenance_timer_expired) { in ab8500_chargalg_algorithm()
1594 di->bm->bat_type[ in ab8500_chargalg_algorithm()
1595 di->bm->batt_id].low_high_vol_lvl, in ab8500_chargalg_algorithm()
1596 di->bm->bat_type[ in ab8500_chargalg_algorithm()
1597 di->bm->batt_id].low_high_cur_lvl); in ab8500_chargalg_algorithm()
1599 di->charge_status = POWER_SUPPLY_STATUS_CHARGING; in ab8500_chargalg_algorithm()
1601 power_supply_changed(di->chargalg_psy); in ab8500_chargalg_algorithm()
1605 if (!di->events.btemp_lowhigh) in ab8500_chargalg_algorithm()
1615 if (!di->events.ac_wd_expired && in ab8500_chargalg_algorithm()
1616 !di->events.usb_wd_expired) in ab8500_chargalg_algorithm()
1626 if (!di->events.btemp_underover) in ab8500_chargalg_algorithm()
1632 if (di->charge_state == STATE_NORMAL_INIT || in ab8500_chargalg_algorithm()
1633 di->charge_state == STATE_MAINTENANCE_A_INIT || in ab8500_chargalg_algorithm()
1634 di->charge_state == STATE_MAINTENANCE_B_INIT) in ab8500_chargalg_algorithm()
1635 queue_work(di->chargalg_wq, &di->chargalg_work); in ab8500_chargalg_algorithm()
1639 * ab8500_chargalg_periodic_work() - Periodic work for the algorithm
1652 * If a charger is connected then the battery has to be monitored in ab8500_chargalg_periodic_work()
1655 if (di->chg_info.conn_chg) in ab8500_chargalg_periodic_work()
1656 queue_delayed_work(di->chargalg_wq, in ab8500_chargalg_periodic_work()
1657 &di->chargalg_periodic_work, in ab8500_chargalg_periodic_work()
1658 di->bm->interval_charging * HZ); in ab8500_chargalg_periodic_work()
1660 queue_delayed_work(di->chargalg_wq, in ab8500_chargalg_periodic_work()
1661 &di->chargalg_periodic_work, in ab8500_chargalg_periodic_work()
1662 di->bm->interval_not_charging * HZ); in ab8500_chargalg_periodic_work()
1666 * ab8500_chargalg_wd_work() - periodic work to kick the charger watchdog
1679 dev_err(di->dev, "failed to kick watchdog\n"); in ab8500_chargalg_wd_work()
1681 queue_delayed_work(di->chargalg_wq, in ab8500_chargalg_wd_work()
1682 &di->chargalg_wd_work, CHG_WD_INTERVAL); in ab8500_chargalg_wd_work()
1686 * ab8500_chargalg_work() - Work to run the charging algorithm instantly
1700 * ab8500_chargalg_get_property() - get the chargalg properties
1708 * health: health of the battery
1719 val->intval = di->charge_status; in ab8500_chargalg_get_property()
1722 if (di->events.batt_ovv) { in ab8500_chargalg_get_property()
1723 val->intval = POWER_SUPPLY_HEALTH_OVERVOLTAGE; in ab8500_chargalg_get_property()
1724 } else if (di->events.btemp_underover) { in ab8500_chargalg_get_property()
1725 if (di->batt_data.temp <= di->bm->temp_under) in ab8500_chargalg_get_property()
1726 val->intval = POWER_SUPPLY_HEALTH_COLD; in ab8500_chargalg_get_property()
1728 val->intval = POWER_SUPPLY_HEALTH_OVERHEAT; in ab8500_chargalg_get_property()
1729 } else if (di->charge_state == STATE_SAFETY_TIMER_EXPIRED || in ab8500_chargalg_get_property()
1730 di->charge_state == STATE_SAFETY_TIMER_EXPIRED_INIT) { in ab8500_chargalg_get_property()
1731 val->intval = POWER_SUPPLY_HEALTH_UNSPEC_FAILURE; in ab8500_chargalg_get_property()
1733 val->intval = POWER_SUPPLY_HEALTH_GOOD; in ab8500_chargalg_get_property()
1737 return -EINVAL; in ab8500_chargalg_get_property()
1747 return sprintf(buf, "%d\n", di->curr_status.curr_step); in ab8500_chargalg_curr_step_show()
1760 di->curr_status.curr_step = param; in ab8500_chargalg_curr_step_store()
1761 if (di->curr_status.curr_step >= CHARGALG_CURR_STEP_LOW && in ab8500_chargalg_curr_step_store()
1762 di->curr_status.curr_step <= CHARGALG_CURR_STEP_HIGH) { in ab8500_chargalg_curr_step_store()
1763 di->curr_status.curr_step_change = true; in ab8500_chargalg_curr_step_store()
1764 queue_work(di->chargalg_wq, &di->chargalg_work); in ab8500_chargalg_curr_step_store()
1766 dev_info(di->dev, "Wrong current step\n" in ab8500_chargalg_curr_step_store()
1768 "1--100. Set AC/USB charging current step\n" in ab8500_chargalg_curr_step_store()
1779 di->susp_status.ac_suspended && in ab8500_chargalg_en_show()
1780 di->susp_status.usb_suspended); in ab8500_chargalg_en_show()
1798 di->susp_status.ac_suspended = true; in ab8500_chargalg_en_store()
1799 di->susp_status.usb_suspended = true; in ab8500_chargalg_en_store()
1800 di->susp_status.suspended_change = true; in ab8500_chargalg_en_store()
1802 queue_work(di->chargalg_wq, in ab8500_chargalg_en_store()
1803 &di->chargalg_work); in ab8500_chargalg_en_store()
1807 di->susp_status.ac_suspended = false; in ab8500_chargalg_en_store()
1808 di->susp_status.suspended_change = true; in ab8500_chargalg_en_store()
1810 queue_work(di->chargalg_wq, in ab8500_chargalg_en_store()
1811 &di->chargalg_work); in ab8500_chargalg_en_store()
1815 di->susp_status.usb_suspended = false; in ab8500_chargalg_en_store()
1816 di->susp_status.suspended_change = true; in ab8500_chargalg_en_store()
1818 queue_work(di->chargalg_wq, in ab8500_chargalg_en_store()
1819 &di->chargalg_work); in ab8500_chargalg_en_store()
1822 dev_info(di->dev, "Wrong input\n" in ab8500_chargalg_en_store()
1847 if (!entry->show) in ab8500_chargalg_sysfs_show()
1848 return -EIO; in ab8500_chargalg_sysfs_show()
1850 return entry->show(di, buf); in ab8500_chargalg_sysfs_show()
1862 if (!entry->store) in ab8500_chargalg_sysfs_charger()
1863 return -EIO; in ab8500_chargalg_sysfs_charger()
1865 return entry->store(di, buf, length); in ab8500_chargalg_sysfs_charger()
1885 * ab8500_chargalg_sysfs_exit() - de-init of sysfs entry
1892 kobject_del(&di->chargalg_kobject); in ab8500_chargalg_sysfs_exit()
1896 * ab8500_chargalg_sysfs_init() - init of sysfs entry
1906 ret = kobject_init_and_add(&di->chargalg_kobject, in ab8500_chargalg_sysfs_init()
1910 dev_err(di->dev, "failed to create sysfs entry\n"); in ab8500_chargalg_sysfs_init()
1921 if (di->chg_info.online_chg) in ab8500_chargalg_resume()
1922 queue_delayed_work(di->chargalg_wq, &di->chargalg_wd_work, 0); in ab8500_chargalg_resume()
1928 queue_delayed_work(di->chargalg_wq, &di->chargalg_periodic_work, 0); in ab8500_chargalg_resume()
1937 if (di->chg_info.online_chg) in ab8500_chargalg_suspend()
1938 cancel_delayed_work_sync(&di->chargalg_wd_work); in ab8500_chargalg_suspend()
1940 cancel_delayed_work_sync(&di->chargalg_periodic_work); in ab8500_chargalg_suspend()
1964 di->chargalg_wq = alloc_ordered_workqueue("ab8500_chargalg_wq", in ab8500_chargalg_bind()
1966 if (di->chargalg_wq == NULL) { in ab8500_chargalg_bind()
1967 dev_err(di->dev, "failed to create work queue\n"); in ab8500_chargalg_bind()
1968 return -ENOMEM; in ab8500_chargalg_bind()
1972 queue_delayed_work(di->chargalg_wq, &di->chargalg_periodic_work, 0); in ab8500_chargalg_bind()
1983 hrtimer_cancel(&di->safety_timer); in ab8500_chargalg_unbind()
1984 hrtimer_cancel(&di->maintenance_timer); in ab8500_chargalg_unbind()
1986 cancel_delayed_work_sync(&di->chargalg_periodic_work); in ab8500_chargalg_unbind()
1987 cancel_delayed_work_sync(&di->chargalg_wd_work); in ab8500_chargalg_unbind()
1988 cancel_work_sync(&di->chargalg_work); in ab8500_chargalg_unbind()
1991 destroy_workqueue(di->chargalg_wq); in ab8500_chargalg_unbind()
2002 struct device *dev = &pdev->dev; in ab8500_chargalg_probe()
2009 return -ENOMEM; in ab8500_chargalg_probe()
2011 di->bm = &ab8500_bm_data; in ab8500_chargalg_probe()
2014 di->dev = dev; in ab8500_chargalg_probe()
2015 di->parent = dev_get_drvdata(pdev->dev.parent); in ab8500_chargalg_probe()
2022 hrtimer_init(&di->safety_timer, CLOCK_REALTIME, HRTIMER_MODE_ABS); in ab8500_chargalg_probe()
2023 di->safety_timer.function = ab8500_chargalg_safety_timer_expired; in ab8500_chargalg_probe()
2026 hrtimer_init(&di->maintenance_timer, CLOCK_REALTIME, HRTIMER_MODE_ABS); in ab8500_chargalg_probe()
2027 di->maintenance_timer.function = in ab8500_chargalg_probe()
2031 INIT_DEFERRABLE_WORK(&di->chargalg_periodic_work, in ab8500_chargalg_probe()
2033 INIT_DEFERRABLE_WORK(&di->chargalg_wd_work, in ab8500_chargalg_probe()
2037 INIT_WORK(&di->chargalg_work, ab8500_chargalg_work); in ab8500_chargalg_probe()
2040 di->chg_info.prev_conn_chg = -1; in ab8500_chargalg_probe()
2043 di->chargalg_psy = devm_power_supply_register(di->dev, in ab8500_chargalg_probe()
2046 if (IS_ERR(di->chargalg_psy)) { in ab8500_chargalg_probe()
2047 dev_err(di->dev, "failed to register chargalg psy\n"); in ab8500_chargalg_probe()
2048 return PTR_ERR(di->chargalg_psy); in ab8500_chargalg_probe()
2056 dev_err(di->dev, "failed to create sysfs entry\n"); in ab8500_chargalg_probe()
2059 di->curr_status.curr_step = CHARGALG_CURR_STEP_HIGH; in ab8500_chargalg_probe()
2061 dev_info(di->dev, "probe success\n"); in ab8500_chargalg_probe()
2069 component_del(&pdev->dev, &ab8500_chargalg_component_ops); in ab8500_chargalg_remove()
2080 { .compatible = "stericsson,ab8500-chargalg", },
2095 MODULE_ALIAS("platform:ab8500-chargalg");
2096 MODULE_DESCRIPTION("ab8500 battery charging algorithm");