diff options
Diffstat (limited to 'drivers/power/supply/bd70528-charger.c')
| -rw-r--r-- | drivers/power/supply/bd70528-charger.c | 710 |
1 files changed, 0 insertions, 710 deletions
diff --git a/drivers/power/supply/bd70528-charger.c b/drivers/power/supply/bd70528-charger.c deleted file mode 100644 index 7c1f0b99c71b..000000000000 --- a/drivers/power/supply/bd70528-charger.c +++ /dev/null @@ -1,710 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -// -// Copyright (C) 2018 ROHM Semiconductors -// -// power-supply driver for ROHM BD70528 PMIC - -/* - * BD70528 charger HW state machine. - * - * The thermal shutdown state is not drawn. From any other state but - * battery error and suspend it is possible to go to TSD/TMP states - * if temperature is out of bounds. - * - * CHG_RST = H - * or CHG_EN=L - * or (DCIN2_UVLO=L && DCIN1_UVLO=L) - * or (DCIN2_OVLO=H & DCIN1_UVKLO=L) - * - * +--------------+ +--------------+ - * | | | | - * | Any state +-------> | Suspend | - * | | | | - * +--------------+ +------+-------+ - * | - * CHG_EN = H && BAT_DET = H && | - * No errors (temp, bat_ov, UVLO, | - * OVLO...) | - * | - * BAT_OV or +---------v----------+ - * (DBAT && TTRI) | | - * +-----------------+ Trickle Charge | <---------------+ - * | | | | - * | +-------+------------+ | - * | | | - * | | ^ | - * | V_BAT > VTRI_TH | | VBAT < VTRI_TH - 50mV | - * | | | | - * | v | | - * | | | - * | BAT_OV or +----------+----+ | - * | (DBAT && TFST) | | | - * | +----------------+ Fast Charge | | - * | | | | | - * v v +----+----------+ | - * | | - *+----------------+ ILIM_DET=L | ^ ILIM_DET | - *| | & CV_DET=H | | or CV_DET=L | - *| Battery Error | & VBAT > | | or VBAT < VRECHG_TH | - *| | VRECHG_TH | | or IBAT > IFST/x | - *+----------------+ & IBAT < | | | - * IFST/x v | | - * ^ | | - * | +---------+-+ | - * | | | | - * +-------------------+ Top OFF | | - * BAT_OV = H or | | | - * (DBAT && TFST) +-----+-----+ | - * | | - * Stay top-off for 15s | | - * v | - * | - * +--------+ | - * | | | - * | Done +-------------------------+ - * | | - * +--------+ VBAT < VRECHG_TH - */ - -#include <linux/kernel.h> -#include <linux/interrupt.h> -#include <linux/mfd/rohm-bd70528.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/power_supply.h> -#include <linux/linear_range.h> - -#define CHG_STAT_SUSPEND 0x0 -#define CHG_STAT_TRICKLE 0x1 -#define CHG_STAT_FAST 0x3 -#define CHG_STAT_TOPOFF 0xe -#define CHG_STAT_DONE 0xf -#define CHG_STAT_OTP_TRICKLE 0x10 -#define CHG_STAT_OTP_FAST 0x11 -#define CHG_STAT_OTP_DONE 0x12 -#define CHG_STAT_TSD_TRICKLE 0x20 -#define CHG_STAT_TSD_FAST 0x21 -#define CHG_STAT_TSD_TOPOFF 0x22 -#define CHG_STAT_BAT_ERR 0x7f - -static const char *bd70528_charger_model = "BD70528"; -static const char *bd70528_charger_manufacturer = "ROHM Semiconductors"; - -#define BD_ERR_IRQ_HND(_name_, _wrn_) \ -static irqreturn_t bd0528_##_name_##_interrupt(int irq, void *arg) \ -{ \ - struct power_supply *psy = (struct power_supply *)arg; \ - \ - power_supply_changed(psy); \ - dev_err(&psy->dev, (_wrn_)); \ - \ - return IRQ_HANDLED; \ -} - -#define BD_INFO_IRQ_HND(_name_, _wrn_) \ -static irqreturn_t bd0528_##_name_##_interrupt(int irq, void *arg) \ -{ \ - struct power_supply *psy = (struct power_supply *)arg; \ - \ - power_supply_changed(psy); \ - dev_dbg(&psy->dev, (_wrn_)); \ - \ - return IRQ_HANDLED; \ -} - -#define BD_IRQ_HND(_name_) bd0528_##_name_##_interrupt - -struct bd70528_psy { - struct regmap *regmap; - struct device *dev; - struct power_supply *psy; -}; - -BD_ERR_IRQ_HND(BAT_OV_DET, "Battery overvoltage detected\n"); -BD_ERR_IRQ_HND(DBAT_DET, "Dead battery detected\n"); -BD_ERR_IRQ_HND(COLD_DET, "Battery cold\n"); -BD_ERR_IRQ_HND(HOT_DET, "Battery hot\n"); -BD_ERR_IRQ_HND(CHG_TSD, "Charger thermal shutdown\n"); -BD_ERR_IRQ_HND(DCIN2_OV_DET, "DCIN2 overvoltage detected\n"); - -BD_INFO_IRQ_HND(BAT_OV_RES, "Battery voltage back to normal\n"); -BD_INFO_IRQ_HND(COLD_RES, "Battery temperature back to normal\n"); -BD_INFO_IRQ_HND(HOT_RES, "Battery temperature back to normal\n"); -BD_INFO_IRQ_HND(BAT_RMV, "Battery removed\n"); -BD_INFO_IRQ_HND(BAT_DET, "Battery detected\n"); -BD_INFO_IRQ_HND(DCIN2_OV_RES, "DCIN2 voltage back to normal\n"); -BD_INFO_IRQ_HND(DCIN2_RMV, "DCIN2 removed\n"); -BD_INFO_IRQ_HND(DCIN2_DET, "DCIN2 detected\n"); -BD_INFO_IRQ_HND(DCIN1_RMV, "DCIN1 removed\n"); -BD_INFO_IRQ_HND(DCIN1_DET, "DCIN1 detected\n"); - -struct irq_name_pair { - const char *n; - irqreturn_t (*h)(int irq, void *arg); -}; - -static int bd70528_get_irqs(struct platform_device *pdev, - struct bd70528_psy *bdpsy) -{ - int irq, i, ret; - unsigned int mask; - static const struct irq_name_pair bd70528_chg_irqs[] = { - { .n = "bd70528-bat-ov-res", .h = BD_IRQ_HND(BAT_OV_RES) }, - { .n = "bd70528-bat-ov-det", .h = BD_IRQ_HND(BAT_OV_DET) }, - { .n = "bd70528-bat-dead", .h = BD_IRQ_HND(DBAT_DET) }, - { .n = "bd70528-bat-warmed", .h = BD_IRQ_HND(COLD_RES) }, - { .n = "bd70528-bat-cold", .h = BD_IRQ_HND(COLD_DET) }, - { .n = "bd70528-bat-cooled", .h = BD_IRQ_HND(HOT_RES) }, - { .n = "bd70528-bat-hot", .h = BD_IRQ_HND(HOT_DET) }, - { .n = "bd70528-chg-tshd", .h = BD_IRQ_HND(CHG_TSD) }, - { .n = "bd70528-bat-removed", .h = BD_IRQ_HND(BAT_RMV) }, - { .n = "bd70528-bat-detected", .h = BD_IRQ_HND(BAT_DET) }, - { .n = "bd70528-dcin2-ov-res", .h = BD_IRQ_HND(DCIN2_OV_RES) }, - { .n = "bd70528-dcin2-ov-det", .h = BD_IRQ_HND(DCIN2_OV_DET) }, - { .n = "bd70528-dcin2-removed", .h = BD_IRQ_HND(DCIN2_RMV) }, - { .n = "bd70528-dcin2-detected", .h = BD_IRQ_HND(DCIN2_DET) }, - { .n = "bd70528-dcin1-removed", .h = BD_IRQ_HND(DCIN1_RMV) }, - { .n = "bd70528-dcin1-detected", .h = BD_IRQ_HND(DCIN1_DET) }, - }; - - for (i = 0; i < ARRAY_SIZE(bd70528_chg_irqs); i++) { - irq = platform_get_irq_byname(pdev, bd70528_chg_irqs[i].n); - if (irq < 0) { - dev_err(&pdev->dev, "Bad IRQ information for %s (%d)\n", - bd70528_chg_irqs[i].n, irq); - return irq; - } - ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, - bd70528_chg_irqs[i].h, - IRQF_ONESHOT, - bd70528_chg_irqs[i].n, - bdpsy->psy); - - if (ret) - return ret; - } - /* - * BD70528 irq controller is not touching the main mask register. - * So enable the charger block interrupts at main level. We can just - * leave them enabled as irq-controller should disable irqs - * from sub-registers when IRQ is disabled or freed. - */ - mask = BD70528_REG_INT_BAT1_MASK | BD70528_REG_INT_BAT2_MASK; - ret = regmap_update_bits(bdpsy->regmap, - BD70528_REG_INT_MAIN_MASK, mask, 0); - if (ret) - dev_err(&pdev->dev, "Failed to enable charger IRQs\n"); - - return ret; -} - -static int bd70528_get_charger_status(struct bd70528_psy *bdpsy, int *val) -{ - int ret; - unsigned int v; - - ret = regmap_read(bdpsy->regmap, BD70528_REG_CHG_CURR_STAT, &v); - if (ret) { - dev_err(bdpsy->dev, "Charger state read failure %d\n", - ret); - return ret; - } - - switch (v & BD70528_MASK_CHG_STAT) { - case CHG_STAT_SUSPEND: - /* Maybe we should check the CHG_TTRI_EN? */ - case CHG_STAT_OTP_TRICKLE: - case CHG_STAT_OTP_FAST: - case CHG_STAT_OTP_DONE: - case CHG_STAT_TSD_TRICKLE: - case CHG_STAT_TSD_FAST: - case CHG_STAT_TSD_TOPOFF: - case CHG_STAT_BAT_ERR: - *val = POWER_SUPPLY_STATUS_NOT_CHARGING; - break; - case CHG_STAT_DONE: - *val = POWER_SUPPLY_STATUS_FULL; - break; - case CHG_STAT_TRICKLE: - case CHG_STAT_FAST: - case CHG_STAT_TOPOFF: - *val = POWER_SUPPLY_STATUS_CHARGING; - break; - default: - *val = POWER_SUPPLY_STATUS_UNKNOWN; - break; - } - - return 0; -} - -static int bd70528_get_charge_type(struct bd70528_psy *bdpsy, int *val) -{ - int ret; - unsigned int v; - - ret = regmap_read(bdpsy->regmap, BD70528_REG_CHG_CURR_STAT, &v); - if (ret) { - dev_err(bdpsy->dev, "Charger state read failure %d\n", - ret); - return ret; - } - - switch (v & BD70528_MASK_CHG_STAT) { - case CHG_STAT_TRICKLE: - *val = POWER_SUPPLY_CHARGE_TYPE_TRICKLE; - break; - case CHG_STAT_FAST: - case CHG_STAT_TOPOFF: - *val = POWER_SUPPLY_CHARGE_TYPE_FAST; - break; - case CHG_STAT_DONE: - case CHG_STAT_SUSPEND: - /* Maybe we should check the CHG_TTRI_EN? */ - case CHG_STAT_OTP_TRICKLE: - case CHG_STAT_OTP_FAST: - case CHG_STAT_OTP_DONE: - case CHG_STAT_TSD_TRICKLE: - case CHG_STAT_TSD_FAST: - case CHG_STAT_TSD_TOPOFF: - case CHG_STAT_BAT_ERR: - *val = POWER_SUPPLY_CHARGE_TYPE_NONE; - break; - default: - *val = POWER_SUPPLY_CHARGE_TYPE_UNKNOWN; - break; - } - - return 0; -} - -static int bd70528_get_battery_health(struct bd70528_psy *bdpsy, int *val) -{ - int ret; - unsigned int v; - - ret = regmap_read(bdpsy->regmap, BD70528_REG_CHG_BAT_STAT, &v); - if (ret) { - dev_err(bdpsy->dev, "Battery state read failure %d\n", - ret); - return ret; - } - /* No battery? */ - if (!(v & BD70528_MASK_CHG_BAT_DETECT)) - *val = POWER_SUPPLY_HEALTH_DEAD; - else if (v & BD70528_MASK_CHG_BAT_OVERVOLT) - *val = POWER_SUPPLY_HEALTH_OVERVOLTAGE; - else if (v & BD70528_MASK_CHG_BAT_TIMER) - *val = POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE; - else - *val = POWER_SUPPLY_HEALTH_GOOD; - - return 0; -} - -static int bd70528_get_online(struct bd70528_psy *bdpsy, int *val) -{ - int ret; - unsigned int v; - - ret = regmap_read(bdpsy->regmap, BD70528_REG_CHG_IN_STAT, &v); - if (ret) { - dev_err(bdpsy->dev, "DC1 IN state read failure %d\n", - ret); - return ret; - } - - *val = (v & BD70528_MASK_CHG_DCIN1_UVLO) ? 1 : 0; - - return 0; -} - -static int bd70528_get_present(struct bd70528_psy *bdpsy, int *val) -{ - int ret; - unsigned int v; - - ret = regmap_read(bdpsy->regmap, BD70528_REG_CHG_BAT_STAT, &v); - if (ret) { - dev_err(bdpsy->dev, "Battery state read failure %d\n", - ret); - return ret; - } - - *val = (v & BD70528_MASK_CHG_BAT_DETECT) ? 1 : 0; - - return 0; -} - -static const struct linear_range current_limit_ranges[] = { - { - .min = 5, - .step = 1, - .min_sel = 0, - .max_sel = 0x22, - }, - { - .min = 40, - .step = 5, - .min_sel = 0x23, - .max_sel = 0x26, - }, - { - .min = 60, - .step = 20, - .min_sel = 0x27, - .max_sel = 0x2d, - }, - { - .min = 200, - .step = 50, - .min_sel = 0x2e, - .max_sel = 0x34, - }, - { - .min = 500, - .step = 0, - .min_sel = 0x35, - .max_sel = 0x3f, - }, -}; - -/* - * BD70528 would support setting and getting own charge current/ - * voltage for low temperatures. The driver currently only reads - * the charge current at room temperature. We do set both though. - */ -static const struct linear_range warm_charge_curr[] = { - { - .min = 10, - .step = 10, - .min_sel = 0, - .max_sel = 0x12, - }, - { - .min = 200, - .step = 25, - .min_sel = 0x13, - .max_sel = 0x1f, - }, -}; - -/* - * Cold charge current selectors are identical to warm charge current - * selectors. The difference is that only smaller currents are available - * at cold charge range. - */ -#define MAX_COLD_CHG_CURR_SEL 0x15 -#define MAX_WARM_CHG_CURR_SEL 0x1f -#define MIN_CHG_CURR_SEL 0x0 - -static int get_charge_current(struct bd70528_psy *bdpsy, int *ma) -{ - unsigned int sel; - int ret; - - ret = regmap_read(bdpsy->regmap, BD70528_REG_CHG_CHG_CURR_WARM, - &sel); - if (ret) { - dev_err(bdpsy->dev, - "Charge current reading failed (%d)\n", ret); - return ret; - } - - sel &= BD70528_MASK_CHG_CHG_CURR; - - ret = linear_range_get_value_array(&warm_charge_curr[0], - ARRAY_SIZE(warm_charge_curr), - sel, ma); - if (ret) { - dev_err(bdpsy->dev, - "Unknown charge current value 0x%x\n", - sel); - } - - return ret; -} - -static int get_current_limit(struct bd70528_psy *bdpsy, int *ma) -{ - unsigned int sel; - int ret; - - ret = regmap_read(bdpsy->regmap, BD70528_REG_CHG_DCIN_ILIM, - &sel); - - if (ret) { - dev_err(bdpsy->dev, - "Input current limit reading failed (%d)\n", ret); - return ret; - } - - sel &= BD70528_MASK_CHG_DCIN_ILIM; - - ret = linear_range_get_value_array(¤t_limit_ranges[0], - ARRAY_SIZE(current_limit_ranges), - sel, ma); - if (ret) { - /* Unspecified values mean 500 mA */ - *ma = 500; - } - return 0; -} - -static enum power_supply_property bd70528_charger_props[] = { - POWER_SUPPLY_PROP_STATUS, - POWER_SUPPLY_PROP_CHARGE_TYPE, - POWER_SUPPLY_PROP_HEALTH, - POWER_SUPPLY_PROP_PRESENT, - POWER_SUPPLY_PROP_ONLINE, - POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT, - POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT, - POWER_SUPPLY_PROP_MODEL_NAME, - POWER_SUPPLY_PROP_MANUFACTURER, -}; - -static int bd70528_charger_get_property(struct power_supply *psy, - enum power_supply_property psp, - union power_supply_propval *val) -{ - struct bd70528_psy *bdpsy = power_supply_get_drvdata(psy); - int ret = 0; - - switch (psp) { - case POWER_SUPPLY_PROP_STATUS: - return bd70528_get_charger_status(bdpsy, &val->intval); - case POWER_SUPPLY_PROP_CHARGE_TYPE: - return bd70528_get_charge_type(bdpsy, &val->intval); - case POWER_SUPPLY_PROP_HEALTH: - return bd70528_get_battery_health(bdpsy, &val->intval); - case POWER_SUPPLY_PROP_PRESENT: - return bd70528_get_present(bdpsy, &val->intval); - case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT: - ret = get_current_limit(bdpsy, &val->intval); - val->intval *= 1000; - return ret; - case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT: - ret = get_charge_current(bdpsy, &val->intval); - val->intval *= 1000; - return ret; - case POWER_SUPPLY_PROP_ONLINE: - return bd70528_get_online(bdpsy, &val->intval); - case POWER_SUPPLY_PROP_MODEL_NAME: - val->strval = bd70528_charger_model; - return 0; - case POWER_SUPPLY_PROP_MANUFACTURER: - val->strval = bd70528_charger_manufacturer; - return 0; - default: - break; - } - - return -EINVAL; -} - -static int bd70528_prop_is_writable(struct power_supply *psy, - enum power_supply_property psp) -{ - switch (psp) { - case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT: - case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT: - return 1; - default: - break; - } - return 0; -} - -static int set_charge_current(struct bd70528_psy *bdpsy, int ma) -{ - unsigned int reg; - int ret = 0, tmpret; - bool found; - - if (ma > 500) { - dev_warn(bdpsy->dev, - "Requested charge current %u exceed maximum (500mA)\n", - ma); - reg = MAX_WARM_CHG_CURR_SEL; - goto set; - } - if (ma < 10) { - dev_err(bdpsy->dev, - "Requested charge current %u smaller than min (10mA)\n", - ma); - reg = MIN_CHG_CURR_SEL; - ret = -EINVAL; - goto set; - } - -/* - * For BD70528 voltage/current limits we happily accept any value which - * belongs the range. We could check if value matching the selector is - * desired by computing the range min + (sel - sel_low) * range step - but - * I guess it is enough if we use voltage/current which is closest (below) - * the requested? - */ - - ret = linear_range_get_selector_low_array(warm_charge_curr, - ARRAY_SIZE(warm_charge_curr), - ma, ®, &found); - if (ret) { - dev_err(bdpsy->dev, - "Unsupported charge current %u mA\n", ma); - reg = MIN_CHG_CURR_SEL; - goto set; - } - if (!found) { - /* - * There was a gap in supported values and we hit it. - * Yet a smaller value was found so we use it. - */ - dev_warn(bdpsy->dev, - "Unsupported charge current %u mA\n", ma); - } -set: - - tmpret = regmap_update_bits(bdpsy->regmap, - BD70528_REG_CHG_CHG_CURR_WARM, - BD70528_MASK_CHG_CHG_CURR, reg); - if (tmpret) - dev_err(bdpsy->dev, - "Charge current write failure (%d)\n", tmpret); - - if (reg > MAX_COLD_CHG_CURR_SEL) - reg = MAX_COLD_CHG_CURR_SEL; - - if (!tmpret) - tmpret = regmap_update_bits(bdpsy->regmap, - BD70528_REG_CHG_CHG_CURR_COLD, - BD70528_MASK_CHG_CHG_CURR, reg); - - if (!ret) - ret = tmpret; - - return ret; -} - -#define MAX_CURR_LIMIT_SEL 0x34 -#define MIN_CURR_LIMIT_SEL 0x0 - -static int set_current_limit(struct bd70528_psy *bdpsy, int ma) -{ - unsigned int reg; - int ret = 0, tmpret; - bool found; - - if (ma > 500) { - dev_warn(bdpsy->dev, - "Requested current limit %u exceed maximum (500mA)\n", - ma); - reg = MAX_CURR_LIMIT_SEL; - goto set; - } - if (ma < 5) { - dev_err(bdpsy->dev, - "Requested current limit %u smaller than min (5mA)\n", - ma); - reg = MIN_CURR_LIMIT_SEL; - ret = -EINVAL; - goto set; - } - - ret = linear_range_get_selector_low_array(current_limit_ranges, - ARRAY_SIZE(current_limit_ranges), - ma, ®, &found); - if (ret) { - dev_err(bdpsy->dev, "Unsupported current limit %umA\n", ma); - reg = MIN_CURR_LIMIT_SEL; - goto set; - } - if (!found) { - /* - * There was a gap in supported values and we hit it. - * We found a smaller value from ranges and use it. - * Warn user though. - */ - dev_warn(bdpsy->dev, "Unsupported current limit %umA\n", ma); - } - -set: - tmpret = regmap_update_bits(bdpsy->regmap, - BD70528_REG_CHG_DCIN_ILIM, - BD70528_MASK_CHG_DCIN_ILIM, reg); - - if (!ret) - ret = tmpret; - - return ret; -} - -static int bd70528_charger_set_property(struct power_supply *psy, - enum power_supply_property psp, - const union power_supply_propval *val) -{ - struct bd70528_psy *bdpsy = power_supply_get_drvdata(psy); - - switch (psp) { - case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT: - return set_current_limit(bdpsy, val->intval / 1000); - case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT: - return set_charge_current(bdpsy, val->intval / 1000); - default: - break; - } - return -EINVAL; -} - -static const struct power_supply_desc bd70528_charger_desc = { - .name = "bd70528-charger", - .type = POWER_SUPPLY_TYPE_MAINS, - .properties = bd70528_charger_props, - .num_properties = ARRAY_SIZE(bd70528_charger_props), - .get_property = bd70528_charger_get_property, - .set_property = bd70528_charger_set_property, - .property_is_writeable = bd70528_prop_is_writable, -}; - -static int bd70528_power_probe(struct platform_device *pdev) -{ - struct bd70528_psy *bdpsy; - struct power_supply_config cfg = {}; - - bdpsy = devm_kzalloc(&pdev->dev, sizeof(*bdpsy), GFP_KERNEL); - if (!bdpsy) - return -ENOMEM; - - bdpsy->regmap = dev_get_regmap(pdev->dev.parent, NULL); - if (!bdpsy->regmap) { - dev_err(&pdev->dev, "No regmap found for chip\n"); - return -EINVAL; - } - bdpsy->dev = &pdev->dev; - - platform_set_drvdata(pdev, bdpsy); - cfg.drv_data = bdpsy; - cfg.of_node = pdev->dev.parent->of_node; - - bdpsy->psy = devm_power_supply_register(&pdev->dev, - &bd70528_charger_desc, &cfg); - if (IS_ERR(bdpsy->psy)) { - dev_err(&pdev->dev, "failed: power supply register\n"); - return PTR_ERR(bdpsy->psy); - } - - return bd70528_get_irqs(pdev, bdpsy); -} - -static struct platform_driver bd70528_power = { - .driver = { - .name = "bd70528-power" - }, - .probe = bd70528_power_probe, -}; - -module_platform_driver(bd70528_power); - -MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>"); -MODULE_DESCRIPTION("BD70528 power-supply driver"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:bd70528-power"); |