Lines Matching +full:bat +full:- +full:present
1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * battery.c - ACPI Battery Driver (Revision: 2.0)
6 * Copyright (C) 2004-2007 Vladimir Lebedev <vladimir.p.lebedev@intel.com>
79 * Pre-2010 and 2012 models appear to always report in mWh and
81 * and x230). Also, in mid-2012 Lenovo issued a BIOS update for
83 * post-1.29 BIOS), but as of Nov. 2012, no such update is
96 struct power_supply *bat; member
134 return battery->device->status.battery_present; in acpi_battery_present()
139 if (!strcasecmp("NiCd", battery->type)) in acpi_battery_technology()
141 if (!strcasecmp("NiMH", battery->type)) in acpi_battery_technology()
143 if (!strcasecmp("LION", battery->type)) in acpi_battery_technology()
145 if (!strncasecmp("LI-ION", battery->type, 6)) in acpi_battery_technology()
147 if (!strcasecmp("LiP", battery->type)) in acpi_battery_technology()
157 if (battery->state != 0) in acpi_battery_is_charged()
161 if (battery->capacity_now == ACPI_BATTERY_VALUE_UNKNOWN || in acpi_battery_is_charged()
162 battery->capacity_now == 0) in acpi_battery_is_charged()
166 if (battery->full_charge_capacity == battery->capacity_now) in acpi_battery_is_charged()
170 if (battery->design_capacity <= battery->capacity_now) in acpi_battery_is_charged()
179 return ACPI_BATTERY_CAPACITY_VALID(battery->full_charge_capacity) && in acpi_battery_is_degraded()
180 ACPI_BATTERY_CAPACITY_VALID(battery->design_capacity) && in acpi_battery_is_degraded()
181 battery->full_charge_capacity < battery->design_capacity; in acpi_battery_is_degraded()
192 battery->rate_now == 0) in acpi_battery_handle_discharging()
206 /* run battery update only if it is present */ in acpi_battery_get_property()
209 return -ENODEV; in acpi_battery_get_property()
212 if (battery->state & ACPI_BATTERY_STATE_DISCHARGING) in acpi_battery_get_property()
213 val->intval = acpi_battery_handle_discharging(battery); in acpi_battery_get_property()
214 else if (battery->state & ACPI_BATTERY_STATE_CHARGING) in acpi_battery_get_property()
215 val->intval = POWER_SUPPLY_STATUS_CHARGING; in acpi_battery_get_property()
217 val->intval = POWER_SUPPLY_STATUS_FULL; in acpi_battery_get_property()
219 val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING; in acpi_battery_get_property()
222 val->intval = acpi_battery_present(battery); in acpi_battery_get_property()
225 val->intval = acpi_battery_technology(battery); in acpi_battery_get_property()
228 val->intval = battery->cycle_count; in acpi_battery_get_property()
231 if (battery->design_voltage == ACPI_BATTERY_VALUE_UNKNOWN) in acpi_battery_get_property()
232 ret = -ENODEV; in acpi_battery_get_property()
234 val->intval = battery->design_voltage * 1000; in acpi_battery_get_property()
237 if (battery->voltage_now == ACPI_BATTERY_VALUE_UNKNOWN) in acpi_battery_get_property()
238 ret = -ENODEV; in acpi_battery_get_property()
240 val->intval = battery->voltage_now * 1000; in acpi_battery_get_property()
244 if (battery->rate_now == ACPI_BATTERY_VALUE_UNKNOWN) in acpi_battery_get_property()
245 ret = -ENODEV; in acpi_battery_get_property()
247 val->intval = battery->rate_now * 1000; in acpi_battery_get_property()
251 if (!ACPI_BATTERY_CAPACITY_VALID(battery->design_capacity)) in acpi_battery_get_property()
252 ret = -ENODEV; in acpi_battery_get_property()
254 val->intval = battery->design_capacity * 1000; in acpi_battery_get_property()
258 if (!ACPI_BATTERY_CAPACITY_VALID(battery->full_charge_capacity)) in acpi_battery_get_property()
259 ret = -ENODEV; in acpi_battery_get_property()
261 val->intval = battery->full_charge_capacity * 1000; in acpi_battery_get_property()
265 if (battery->capacity_now == ACPI_BATTERY_VALUE_UNKNOWN) in acpi_battery_get_property()
266 ret = -ENODEV; in acpi_battery_get_property()
268 val->intval = battery->capacity_now * 1000; in acpi_battery_get_property()
271 if (ACPI_BATTERY_CAPACITY_VALID(battery->full_charge_capacity)) in acpi_battery_get_property()
272 full_capacity = battery->full_charge_capacity; in acpi_battery_get_property()
273 else if (ACPI_BATTERY_CAPACITY_VALID(battery->design_capacity)) in acpi_battery_get_property()
274 full_capacity = battery->design_capacity; in acpi_battery_get_property()
276 if (battery->capacity_now == ACPI_BATTERY_VALUE_UNKNOWN || in acpi_battery_get_property()
278 ret = -ENODEV; in acpi_battery_get_property()
280 val->intval = battery->capacity_now * 100/ in acpi_battery_get_property()
284 if (battery->state & ACPI_BATTERY_STATE_CRITICAL) in acpi_battery_get_property()
285 val->intval = POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL; in acpi_battery_get_property()
286 else if (test_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags) && in acpi_battery_get_property()
287 (battery->capacity_now <= battery->alarm)) in acpi_battery_get_property()
288 val->intval = POWER_SUPPLY_CAPACITY_LEVEL_LOW; in acpi_battery_get_property()
290 val->intval = POWER_SUPPLY_CAPACITY_LEVEL_FULL; in acpi_battery_get_property()
292 val->intval = POWER_SUPPLY_CAPACITY_LEVEL_NORMAL; in acpi_battery_get_property()
295 val->strval = battery->model_number; in acpi_battery_get_property()
298 val->strval = battery->oem_info; in acpi_battery_get_property()
301 val->strval = battery->serial_number; in acpi_battery_get_property()
304 ret = -EINVAL; in acpi_battery_get_property()
432 if (package->type != ACPI_TYPE_PACKAGE) in extract_package()
433 return -EFAULT; in extract_package()
435 if (package->package.count <= i) in extract_package()
436 return -EFAULT; in extract_package()
437 element = &package->package.elements[i]; in extract_package()
441 if (element->type == ACPI_TYPE_STRING || in extract_package()
442 element->type == ACPI_TYPE_BUFFER) in extract_package()
443 strncpy(ptr, element->string.pointer, 32); in extract_package()
444 else if (element->type == ACPI_TYPE_INTEGER) { in extract_package()
445 strncpy(ptr, (u8 *)&element->integer.value, in extract_package()
452 *x = (element->type == ACPI_TYPE_INTEGER) ? in extract_package()
453 element->integer.value : -1; in extract_package()
461 if (acpi_bus_get_status(battery->device)) { in acpi_battery_get_status()
462 acpi_handle_info(battery->device->handle, in acpi_battery_get_status()
464 return -ENODEV; in acpi_battery_get_status()
474 int result = -EFAULT; in extract_battery_info()
477 result = extract_package(battery, buffer->pointer, in extract_battery_info()
479 ARRAY_SIZE(extended_info_offsets) - 1); in extract_battery_info()
481 result = extract_package(battery, buffer->pointer, in extract_battery_info()
485 result = extract_package(battery, buffer->pointer, in extract_battery_info()
487 if (test_bit(ACPI_BATTERY_QUIRK_PERCENTAGE_CAPACITY, &battery->flags)) in extract_battery_info()
488 battery->full_charge_capacity = battery->design_capacity; in extract_battery_info()
489 if (test_bit(ACPI_BATTERY_QUIRK_THINKPAD_MAH, &battery->flags) && in extract_battery_info()
490 battery->power_unit && battery->design_voltage) { in extract_battery_info()
491 battery->design_capacity = battery->design_capacity * in extract_battery_info()
492 10000 / battery->design_voltage; in extract_battery_info()
493 battery->full_charge_capacity = battery->full_charge_capacity * in extract_battery_info()
494 10000 / battery->design_voltage; in extract_battery_info()
495 battery->design_capacity_warning = in extract_battery_info()
496 battery->design_capacity_warning * in extract_battery_info()
497 10000 / battery->design_voltage; in extract_battery_info()
506 if (test_bit(ACPI_BATTERY_QUIRK_DEGRADED_FULL_CHARGE, &battery->flags) && in extract_battery_info()
507 battery->capacity_now > battery->full_charge_capacity) in extract_battery_info()
508 battery->capacity_now = battery->full_charge_capacity; in extract_battery_info()
515 const int xinfo = test_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags); in acpi_battery_get_info()
517 int result = -ENODEV; in acpi_battery_get_info()
523 for (use_bix = xinfo ? 1 : 0; use_bix >= 0; use_bix--) { in acpi_battery_get_info()
527 mutex_lock(&battery->lock); in acpi_battery_get_info()
528 status = acpi_evaluate_object(battery->device->handle, in acpi_battery_get_info()
531 mutex_unlock(&battery->lock); in acpi_battery_get_info()
534 acpi_handle_info(battery->device->handle, in acpi_battery_get_info()
563 if (battery->update_time && in acpi_battery_get_state()
564 time_before(jiffies, battery->update_time + in acpi_battery_get_state()
568 mutex_lock(&battery->lock); in acpi_battery_get_state()
569 status = acpi_evaluate_object(battery->device->handle, "_BST", in acpi_battery_get_state()
571 mutex_unlock(&battery->lock); in acpi_battery_get_state()
574 acpi_handle_info(battery->device->handle, in acpi_battery_get_state()
577 return -ENODEV; in acpi_battery_get_state()
582 battery->update_time = jiffies; in acpi_battery_get_state()
585 /* For buggy DSDTs that report negative 16-bit values for either in acpi_battery_get_state()
589 if (battery->power_unit == ACPI_BATTERY_POWER_UNIT_MA && in acpi_battery_get_state()
590 battery->rate_now != ACPI_BATTERY_VALUE_UNKNOWN && in acpi_battery_get_state()
591 (s16)(battery->rate_now) < 0) { in acpi_battery_get_state()
592 battery->rate_now = abs((s16)battery->rate_now); in acpi_battery_get_state()
596 if (test_bit(ACPI_BATTERY_QUIRK_PERCENTAGE_CAPACITY, &battery->flags) in acpi_battery_get_state()
597 && battery->capacity_now >= 0 && battery->capacity_now <= 100) in acpi_battery_get_state()
598 battery->capacity_now = (battery->capacity_now * in acpi_battery_get_state()
599 battery->full_charge_capacity) / 100; in acpi_battery_get_state()
600 if (test_bit(ACPI_BATTERY_QUIRK_THINKPAD_MAH, &battery->flags) && in acpi_battery_get_state()
601 battery->power_unit && battery->design_voltage) { in acpi_battery_get_state()
602 battery->capacity_now = battery->capacity_now * in acpi_battery_get_state()
603 10000 / battery->design_voltage; in acpi_battery_get_state()
605 if (test_bit(ACPI_BATTERY_QUIRK_DEGRADED_FULL_CHARGE, &battery->flags) && in acpi_battery_get_state()
606 battery->capacity_now > battery->full_charge_capacity) in acpi_battery_get_state()
607 battery->capacity_now = battery->full_charge_capacity; in acpi_battery_get_state()
617 !test_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags)) in acpi_battery_set_alarm()
618 return -ENODEV; in acpi_battery_set_alarm()
620 mutex_lock(&battery->lock); in acpi_battery_set_alarm()
621 status = acpi_execute_simple_method(battery->device->handle, "_BTP", in acpi_battery_set_alarm()
622 battery->alarm); in acpi_battery_set_alarm()
623 mutex_unlock(&battery->lock); in acpi_battery_set_alarm()
626 return -ENODEV; in acpi_battery_set_alarm()
628 acpi_handle_debug(battery->device->handle, "Alarm set to %d\n", in acpi_battery_set_alarm()
629 battery->alarm); in acpi_battery_set_alarm()
637 if (!acpi_has_method(battery->device->handle, "_BTP")) { in acpi_battery_init_alarm()
638 clear_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags); in acpi_battery_init_alarm()
641 set_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags); in acpi_battery_init_alarm()
642 if (!battery->alarm) in acpi_battery_init_alarm()
643 battery->alarm = battery->design_capacity_warning; in acpi_battery_init_alarm()
653 return sprintf(buf, "%d\n", battery->alarm * 1000); in acpi_battery_alarm_show()
664 battery->alarm = x/1000; in acpi_battery_alarm_store()
680 * platform-specific behaviour within the generic driver in a
694 * de-register all the batteries that are registered. in __battery_hook_unregister()
699 hook->remove_battery(battery->bat); in __battery_hook_unregister()
701 list_del(&hook->list); in __battery_hook_unregister()
704 pr_info("extension unregistered: %s\n", hook->name); in __battery_hook_unregister()
718 INIT_LIST_HEAD(&hook->list); in battery_hook_register()
719 list_add(&hook->list, &battery_hook_list); in battery_hook_register()
727 if (hook->add_battery(battery->bat)) { in battery_hook_register()
729 * If a add-battery returns non-zero, in battery_hook_register()
734 pr_err("extension failed to load: %s", hook->name); in battery_hook_register()
739 pr_info("new extension: %s\n", hook->name); in battery_hook_register()
755 INIT_LIST_HEAD(&battery->list); in battery_hook_add_battery()
756 list_add(&battery->list, &acpi_battery_list); in battery_hook_add_battery()
765 if (hook_node->add_battery(battery->bat)) { in battery_hook_add_battery()
771 hook_node->name); in battery_hook_add_battery()
788 hook->remove_battery(battery->bat); in battery_hook_remove_battery()
791 list_del(&battery->list); in battery_hook_remove_battery()
815 if (!ACPI_BATTERY_CAPACITY_VALID(battery->full_charge_capacity) && in sysfs_add_battery()
816 !ACPI_BATTERY_CAPACITY_VALID(battery->design_capacity)) in sysfs_add_battery()
819 if (battery->power_unit == ACPI_BATTERY_POWER_UNIT_MA) { in sysfs_add_battery()
821 battery->bat_desc.properties = in sysfs_add_battery()
823 battery->bat_desc.num_properties = in sysfs_add_battery()
826 battery->bat_desc.properties = charge_battery_props; in sysfs_add_battery()
827 battery->bat_desc.num_properties = in sysfs_add_battery()
832 battery->bat_desc.properties = in sysfs_add_battery()
834 battery->bat_desc.num_properties = in sysfs_add_battery()
837 battery->bat_desc.properties = energy_battery_props; in sysfs_add_battery()
838 battery->bat_desc.num_properties = in sysfs_add_battery()
843 battery->bat_desc.name = acpi_device_bid(battery->device); in sysfs_add_battery()
844 battery->bat_desc.type = POWER_SUPPLY_TYPE_BATTERY; in sysfs_add_battery()
845 battery->bat_desc.get_property = acpi_battery_get_property; in sysfs_add_battery()
847 battery->bat = power_supply_register_no_ws(&battery->device->dev, in sysfs_add_battery()
848 &battery->bat_desc, &psy_cfg); in sysfs_add_battery()
850 if (IS_ERR(battery->bat)) { in sysfs_add_battery()
851 int result = PTR_ERR(battery->bat); in sysfs_add_battery()
853 battery->bat = NULL; in sysfs_add_battery()
857 return device_create_file(&battery->bat->dev, &alarm_attr); in sysfs_add_battery()
862 mutex_lock(&battery->sysfs_lock); in sysfs_remove_battery()
863 if (!battery->bat) { in sysfs_remove_battery()
864 mutex_unlock(&battery->sysfs_lock); in sysfs_remove_battery()
868 device_remove_file(&battery->bat->dev, &alarm_attr); in sysfs_remove_battery()
869 power_supply_unregister(battery->bat); in sysfs_remove_battery()
870 battery->bat = NULL; in sysfs_remove_battery()
871 mutex_unlock(&battery->sysfs_lock); in sysfs_remove_battery()
880 if (dm->type == DMI_ENTRY_PORTABLE_BATTERY && dm->length >= 8) { in find_battery()
884 if (dm->length >= 18) in find_battery()
886 if (battery->design_capacity * battery->design_voltage / 1000 in find_battery()
888 battery->design_capacity * 10 == dmi_capacity) in find_battery()
890 &battery->flags); in find_battery()
908 if (test_bit(ACPI_BATTERY_QUIRK_PERCENTAGE_CAPACITY, &battery->flags)) in acpi_battery_quirks()
911 if (battery->full_charge_capacity == 100 && in acpi_battery_quirks()
912 battery->rate_now == ACPI_BATTERY_VALUE_UNKNOWN && in acpi_battery_quirks()
913 battery->capacity_now >= 0 && battery->capacity_now <= 100) { in acpi_battery_quirks()
914 set_bit(ACPI_BATTERY_QUIRK_PERCENTAGE_CAPACITY, &battery->flags); in acpi_battery_quirks()
915 battery->full_charge_capacity = battery->design_capacity; in acpi_battery_quirks()
916 battery->capacity_now = (battery->capacity_now * in acpi_battery_quirks()
917 battery->full_charge_capacity) / 100; in acpi_battery_quirks()
920 if (test_bit(ACPI_BATTERY_QUIRK_THINKPAD_MAH, &battery->flags)) in acpi_battery_quirks()
923 if (battery->power_unit && dmi_name_in_vendors("LENOVO")) { in acpi_battery_quirks()
930 &battery->flags) && in acpi_battery_quirks()
931 battery->design_voltage) { in acpi_battery_quirks()
932 battery->design_capacity = in acpi_battery_quirks()
933 battery->design_capacity * in acpi_battery_quirks()
934 10000 / battery->design_voltage; in acpi_battery_quirks()
935 battery->full_charge_capacity = in acpi_battery_quirks()
936 battery->full_charge_capacity * in acpi_battery_quirks()
937 10000 / battery->design_voltage; in acpi_battery_quirks()
938 battery->design_capacity_warning = in acpi_battery_quirks()
939 battery->design_capacity_warning * in acpi_battery_quirks()
940 10000 / battery->design_voltage; in acpi_battery_quirks()
941 battery->capacity_now = battery->capacity_now * in acpi_battery_quirks()
942 10000 / battery->design_voltage; in acpi_battery_quirks()
947 if (test_bit(ACPI_BATTERY_QUIRK_DEGRADED_FULL_CHARGE, &battery->flags)) in acpi_battery_quirks()
951 battery->capacity_now > battery->full_charge_capacity) { in acpi_battery_quirks()
952 set_bit(ACPI_BATTERY_QUIRK_DEGRADED_FULL_CHARGE, &battery->flags); in acpi_battery_quirks()
953 battery->capacity_now = battery->full_charge_capacity; in acpi_battery_quirks()
966 battery->update_time = 0; in acpi_battery_update()
973 if (!battery->update_time) { in acpi_battery_update()
985 if (!battery->bat) { in acpi_battery_update()
995 if ((battery->state & ACPI_BATTERY_STATE_CRITICAL) || in acpi_battery_update()
996 (test_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags) && in acpi_battery_update()
997 (battery->capacity_now <= battery->alarm))) in acpi_battery_update()
998 acpi_pm_wakeup_event(&battery->device->dev); in acpi_battery_update()
1007 if (!battery->bat) in acpi_battery_refresh()
1010 power_unit = battery->power_unit; in acpi_battery_refresh()
1014 if (power_unit == battery->power_unit) in acpi_battery_refresh()
1030 old = battery->bat; in acpi_battery_notify()
1032 * On Acer Aspire V5-573G notifications are sometimes triggered too in acpi_battery_notify()
1042 acpi_bus_generate_netlink_event(device->pnp.device_class, in acpi_battery_notify()
1043 dev_name(&device->dev), event, in acpi_battery_notify()
1047 if (old && battery->bat) in acpi_battery_notify()
1048 power_supply_changed(battery->bat); in acpi_battery_notify()
1064 if (battery->bat) { in battery_notify()
1111 DMI_MATCH(DMI_PRODUCT_NAME, "PC-LZ750LS"),
1115 /* Acer Aspire V5-573G */
1119 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire V5-573G"),
1129 /* Above matches are too generic, add bios-date match */
1156 for (retry = 5; retry; retry--) { in acpi_battery_update_retry()
1172 return -EINVAL; in acpi_battery_add()
1174 if (device->dep_unmet) in acpi_battery_add()
1175 return -EPROBE_DEFER; in acpi_battery_add()
1179 return -ENOMEM; in acpi_battery_add()
1180 battery->device = device; in acpi_battery_add()
1183 device->driver_data = battery; in acpi_battery_add()
1184 mutex_init(&battery->lock); in acpi_battery_add()
1185 mutex_init(&battery->sysfs_lock); in acpi_battery_add()
1186 if (acpi_has_method(battery->device->handle, "_BIX")) in acpi_battery_add()
1187 set_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags); in acpi_battery_add()
1194 device->status.battery_present ? "present" : "absent"); in acpi_battery_add()
1196 battery->pm_nb.notifier_call = battery_notify; in acpi_battery_add()
1197 register_pm_notifier(&battery->pm_nb); in acpi_battery_add()
1199 device_init_wakeup(&device->dev, 1); in acpi_battery_add()
1205 mutex_destroy(&battery->lock); in acpi_battery_add()
1206 mutex_destroy(&battery->sysfs_lock); in acpi_battery_add()
1216 return -EINVAL; in acpi_battery_remove()
1217 device_init_wakeup(&device->dev, 0); in acpi_battery_remove()
1219 unregister_pm_notifier(&battery->pm_nb); in acpi_battery_remove()
1221 mutex_destroy(&battery->lock); in acpi_battery_remove()
1222 mutex_destroy(&battery->sysfs_lock); in acpi_battery_remove()
1234 return -EINVAL; in acpi_battery_resume()
1238 return -EINVAL; in acpi_battery_resume()
1240 battery->update_time = 0; in acpi_battery_resume()
1279 return -ENODEV; in acpi_battery_init()