Lines Matching defs:smb
301 * @smb: pointer to smb347 charger instance
307 static int smb347_update_ps_status(struct smb347_charger *smb)
314 ret = regmap_read(smb->regmap, IRQSTAT_E, &val);
322 if (smb->use_mains)
324 if (smb->use_usb)
327 ret = smb->mains_online != dc || smb->usb_online != usb;
328 smb->mains_online = dc;
329 smb->usb_online = usb;
336 * @smb: pointer to smb347 charger instance
343 static bool smb347_is_ps_online(struct smb347_charger *smb)
345 return smb->usb_online || smb->mains_online;
350 * @smb: pointer to smb347 charger instance
355 static int smb347_charging_status(struct smb347_charger *smb)
360 if (!smb347_is_ps_online(smb))
363 ret = regmap_read(smb->regmap, STAT_C, &val);
370 static int smb347_charging_set(struct smb347_charger *smb, bool enable)
372 if (smb->enable_control != SMB3XX_CHG_ENABLE_SW) {
373 dev_dbg(smb->dev, "charging enable/disable in SW disabled\n");
377 if (enable && smb->usb_vbus_enabled) {
378 dev_dbg(smb->dev, "charging not enabled because USB is in host mode\n");
382 return regmap_update_bits(smb->regmap, CMD_A, CMD_A_CHG_ENABLED,
386 static inline int smb347_charging_enable(struct smb347_charger *smb)
388 return smb347_charging_set(smb, true);
391 static inline int smb347_charging_disable(struct smb347_charger *smb)
393 return smb347_charging_set(smb, false);
396 static int smb347_start_stop_charging(struct smb347_charger *smb)
405 if (smb347_is_ps_online(smb)) {
406 ret = smb347_charging_enable(smb);
408 dev_err(smb->dev, "failed to enable charging\n");
410 ret = smb347_charging_disable(smb);
412 dev_err(smb->dev, "failed to disable charging\n");
418 static int smb347_set_charge_current(struct smb347_charger *smb)
420 unsigned int id = smb->id;
423 if (smb->max_charge_current) {
425 smb->max_charge_current);
429 ret = regmap_update_bits(smb->regmap, CFG_CHARGE_CURRENT,
436 if (smb->pre_charge_current) {
438 smb->pre_charge_current);
442 ret = regmap_update_bits(smb->regmap, CFG_CHARGE_CURRENT,
449 if (smb->termination_current) {
451 smb->termination_current);
455 ret = regmap_update_bits(smb->regmap, CFG_CHARGE_CURRENT,
464 static int smb347_set_current_limits(struct smb347_charger *smb)
466 unsigned int id = smb->id;
469 if (smb->mains_current_limit) {
471 smb->mains_current_limit);
475 ret = regmap_update_bits(smb->regmap, CFG_CURRENT_LIMIT,
482 if (smb->usb_hc_current_limit) {
484 smb->usb_hc_current_limit);
488 ret = regmap_update_bits(smb->regmap, CFG_CURRENT_LIMIT,
497 static int smb347_set_voltage_limits(struct smb347_charger *smb)
501 if (smb->pre_to_fast_voltage) {
502 ret = smb->pre_to_fast_voltage;
508 ret = regmap_update_bits(smb->regmap, CFG_FLOAT_VOLTAGE,
515 if (smb->max_charge_voltage) {
516 ret = smb->max_charge_voltage;
522 ret = regmap_update_bits(smb->regmap, CFG_FLOAT_VOLTAGE,
531 static int smb347_set_temp_limits(struct smb347_charger *smb)
533 unsigned int id = smb->id;
538 if (smb->chip_temp_threshold) {
539 val = smb->chip_temp_threshold;
545 ret = regmap_update_bits(smb->regmap, CFG_OTG,
552 if (smb->soft_cold_temp_limit != SMB3XX_TEMP_USE_DEFAULT) {
553 val = smb->soft_cold_temp_limit;
560 ret = regmap_update_bits(smb->regmap, CFG_TEMP_LIMIT,
569 if (smb->soft_hot_temp_limit != SMB3XX_TEMP_USE_DEFAULT) {
570 val = smb->soft_hot_temp_limit;
575 ret = regmap_update_bits(smb->regmap, CFG_TEMP_LIMIT,
584 if (smb->hard_cold_temp_limit != SMB3XX_TEMP_USE_DEFAULT) {
585 val = smb->hard_cold_temp_limit;
592 ret = regmap_update_bits(smb->regmap, CFG_TEMP_LIMIT,
601 if (smb->hard_hot_temp_limit != SMB3XX_TEMP_USE_DEFAULT) {
602 val = smb->hard_hot_temp_limit;
607 ret = regmap_update_bits(smb->regmap, CFG_TEMP_LIMIT,
627 ret = regmap_update_bits(smb->regmap, CFG_THERM,
633 if (smb->suspend_on_hard_temp_limit) {
634 ret = regmap_update_bits(smb->regmap, CFG_SYSOK,
640 if (smb->soft_temp_limit_compensation !=
642 val = smb->soft_temp_limit_compensation & 0x3;
644 ret = regmap_update_bits(smb->regmap, CFG_THERM,
650 ret = regmap_update_bits(smb->regmap, CFG_THERM,
657 if (smb->charge_current_compensation) {
659 smb->charge_current_compensation);
663 ret = regmap_update_bits(smb->regmap, CFG_OTG,
675 * @smb: pointer to smb347 charger instance
682 static int smb347_set_writable(struct smb347_charger *smb, bool writable,
685 struct i2c_client *client = to_i2c_client(smb->dev);
688 if (writable && irq_toggle && !smb->irq_unsupported)
691 ret = regmap_update_bits(smb->regmap, CMD_A, CMD_A_ALLOW_WRITE,
694 if ((!writable || ret) && irq_toggle && !smb->irq_unsupported)
700 static int smb347_hw_init(struct smb347_charger *smb)
705 ret = smb347_set_writable(smb, true, false);
713 ret = smb347_set_charge_current(smb);
717 ret = smb347_set_current_limits(smb);
721 ret = smb347_set_voltage_limits(smb);
725 ret = smb347_set_temp_limits(smb);
730 if (!smb->use_usb) {
731 ret = regmap_update_bits(smb->regmap, CMD_A,
742 ret = regmap_update_bits(smb->regmap, CFG_OTHER, CFG_OTHER_RID_MASK,
743 smb->use_usb_otg ? CFG_OTHER_RID_ENABLED_AUTO_OTG : 0);
748 switch (smb->enable_control) {
751 ret = regmap_set_bits(smb->regmap, CFG_PIN, CFG_PIN_EN_CTRL);
761 switch (smb->enable_control) {
773 ret = regmap_update_bits(smb->regmap, CFG_PIN, CFG_PIN_EN_CTRL_MASK,
779 ret = regmap_update_bits(smb->regmap, CFG_PIN, CFG_PIN_EN_APSD_IRQ, 0);
783 ret = smb347_update_ps_status(smb);
787 ret = smb347_start_stop_charging(smb);
790 smb347_set_writable(smb, false, false);
796 struct smb347_charger *smb = data;
804 ret = regmap_read(smb->regmap, STAT_C, &stat_c);
806 dev_warn(smb->dev, "reading STAT_C failed\n");
810 ret = regmap_read(smb->regmap, IRQSTAT_C, &irqstat_c);
812 dev_warn(smb->dev, "reading IRQSTAT_C failed\n");
816 ret = regmap_read(smb->regmap, IRQSTAT_D, &irqstat_d);
818 dev_warn(smb->dev, "reading IRQSTAT_D failed\n");
822 ret = regmap_read(smb->regmap, IRQSTAT_E, &irqstat_e);
824 dev_warn(smb->dev, "reading IRQSTAT_E failed\n");
833 dev_err(smb->dev, "charging stopped due to charger error\n");
834 if (smb->use_mains)
835 power_supply_changed(smb->mains);
836 if (smb->use_usb)
837 power_supply_changed(smb->usb);
848 if (smb->use_mains)
849 power_supply_changed(smb->mains);
850 if (smb->use_usb)
851 power_supply_changed(smb->usb);
853 dev_dbg(smb->dev, "going to HW maintenance mode\n");
862 dev_dbg(smb->dev, "total Charge Timeout INT received\n");
865 dev_warn(smb->dev, "charging stopped due to timeout\n");
866 if (smb->use_mains)
867 power_supply_changed(smb->mains);
868 if (smb->use_usb)
869 power_supply_changed(smb->usb);
878 if (smb347_update_ps_status(smb) > 0) {
879 smb347_start_stop_charging(smb);
880 if (smb->use_mains)
881 power_supply_changed(smb->mains);
882 if (smb->use_usb)
883 power_supply_changed(smb->usb);
891 static int smb347_irq_set(struct smb347_charger *smb, bool enable)
895 if (smb->irq_unsupported)
898 ret = smb347_set_writable(smb, true, true);
909 ret = regmap_update_bits(smb->regmap, CFG_FAULT_IRQ, 0xff,
914 ret = regmap_update_bits(smb->regmap, CFG_STATUS_IRQ, 0xff,
920 ret = regmap_update_bits(smb->regmap, CFG_PIN, CFG_PIN_EN_CHARGER_ERROR,
923 smb347_set_writable(smb, false, true);
927 static inline int smb347_irq_enable(struct smb347_charger *smb)
929 return smb347_irq_set(smb, true);
932 static inline int smb347_irq_disable(struct smb347_charger *smb)
934 return smb347_irq_set(smb, false);
937 static int smb347_irq_init(struct smb347_charger *smb,
942 smb->irq_unsupported = true;
951 ret = smb347_set_writable(smb, true, false);
959 ret = regmap_update_bits(smb->regmap, CFG_STAT,
963 smb347_set_writable(smb, false, false);
966 dev_warn(smb->dev, "failed to initialize IRQ: %d\n", ret);
967 dev_warn(smb->dev, "disabling IRQ support\n");
971 ret = devm_request_threaded_irq(smb->dev, client->irq, NULL,
973 client->name, smb);
977 smb->irq_unsupported = false;
979 ret = smb347_irq_enable(smb);
990 static int get_const_charge_current(struct smb347_charger *smb)
992 unsigned int id = smb->id;
996 if (!smb347_is_ps_online(smb))
999 ret = regmap_read(smb->regmap, STAT_B, &v);
1023 static int get_const_charge_voltage(struct smb347_charger *smb)
1028 if (!smb347_is_ps_online(smb))
1031 ret = regmap_read(smb->regmap, STAT_A, &v);
1044 static int smb347_get_charging_status(struct smb347_charger *smb,
1051 if (!smb->usb_online)
1054 if (!smb->mains_online)
1058 ret = regmap_read(smb->regmap, STAT_C, &val);
1099 struct smb347_charger *smb = power_supply_get_drvdata(psy);
1104 ret = smb347_get_charging_status(smb, psy);
1112 if (!smb->usb_online)
1115 if (!smb->mains_online)
1123 switch (smb347_charging_status(smb)) {
1138 val->intval = smb->usb_online;
1140 val->intval = smb->mains_online;
1144 ret = get_const_charge_voltage(smb);
1151 ret = get_const_charge_current(smb);
1168 struct smb347_charger *smb = power_supply_get_drvdata(psy);
1169 struct i2c_client *client = to_i2c_client(smb->dev);
1172 if (!smb->irq_unsupported)
1177 if (!smb->irq_unsupported)
1234 static void smb347_dt_parse_dev_info(struct smb347_charger *smb)
1236 struct device *dev = smb->dev;
1238 smb->soft_temp_limit_compensation =
1244 smb->soft_cold_temp_limit = SMB3XX_TEMP_USE_DEFAULT;
1245 smb->hard_cold_temp_limit = SMB3XX_TEMP_USE_DEFAULT;
1246 smb->soft_hot_temp_limit = SMB3XX_TEMP_USE_DEFAULT;
1247 smb->hard_hot_temp_limit = SMB3XX_TEMP_USE_DEFAULT;
1251 &smb->pre_to_fast_voltage);
1253 &smb->mains_current_limit);
1255 &smb->usb_hc_current_limit);
1259 &smb->chip_temp_threshold);
1261 &smb->soft_temp_limit_compensation);
1263 &smb->charge_current_compensation);
1266 smb->use_mains = device_property_read_bool(dev, "summit,enable-mains-charging");
1267 smb->use_usb = device_property_read_bool(dev, "summit,enable-usb-charging");
1268 smb->use_usb_otg = device_property_read_bool(dev, "summit,enable-otg-charging");
1272 &smb->enable_control);
1279 &smb->inok_polarity);
1282 static int smb347_get_battery_info(struct smb347_charger *smb)
1288 if (smb->mains)
1289 supply = smb->mains;
1291 supply = smb->usb;
1300 smb->max_charge_current = info->constant_charge_current_max_ua;
1303 smb->max_charge_voltage = info->constant_charge_voltage_max_uv;
1306 smb->pre_charge_current = info->precharge_current_ua;
1309 smb->termination_current = info->charge_term_current_ua;
1312 smb->soft_cold_temp_limit = info->temp_alert_min;
1315 smb->soft_hot_temp_limit = info->temp_alert_max;
1318 smb->hard_cold_temp_limit = info->temp_min;
1321 smb->hard_hot_temp_limit = info->temp_max;
1324 if (smb->hard_cold_temp_limit != SMB3XX_TEMP_USE_DEFAULT ||
1325 smb->hard_hot_temp_limit != SMB3XX_TEMP_USE_DEFAULT)
1326 smb->suspend_on_hard_temp_limit = true;
1333 struct smb347_charger *smb = rdev_get_drvdata(rdev);
1337 ret = regmap_read(smb->regmap, CFG_OTG, &val);
1351 static int smb347_usb_vbus_set_new_current_limit(struct smb347_charger *smb,
1362 ret = regmap_update_bits(smb->regmap, CFG_OTG, mask, val);
1364 dev_err(smb->dev, "failed to change USB current limit\n");
1372 struct smb347_charger *smb = rdev_get_drvdata(rdev);
1375 ret = smb347_set_writable(smb, true, true);
1379 ret = smb347_usb_vbus_set_new_current_limit(smb, max_uA);
1380 smb347_set_writable(smb, false, true);
1387 struct smb347_charger *smb = rdev_get_drvdata(rdev);
1390 ret = smb347_set_writable(smb, true, true);
1394 smb347_charging_disable(smb);
1399 if (smb->inok_polarity == SMB3XX_SYSOK_INOK_ACTIVE_LOW)
1406 ret = regmap_update_bits(smb->regmap, CFG_SYSOK,
1409 dev_err(smb->dev, "failed to disable INOK\n");
1416 dev_err(smb->dev, "failed to get USB VBUS current limit\n");
1422 ret = smb347_usb_vbus_set_new_current_limit(smb, 250000);
1424 dev_err(smb->dev, "failed to preset USB VBUS current limit\n");
1428 ret = regmap_set_bits(smb->regmap, CMD_A, CMD_A_OTG_ENABLED);
1430 dev_err(smb->dev, "failed to enable USB VBUS\n");
1434 smb->usb_vbus_enabled = true;
1436 ret = smb347_usb_vbus_set_new_current_limit(smb, max_uA);
1438 dev_err(smb->dev, "failed to restore USB VBUS current limit\n");
1442 smb347_set_writable(smb, false, true);
1449 struct smb347_charger *smb = rdev_get_drvdata(rdev);
1452 ret = smb347_set_writable(smb, true, true);
1456 ret = regmap_clear_bits(smb->regmap, CMD_A, CMD_A_OTG_ENABLED);
1458 dev_err(smb->dev, "failed to disable USB VBUS\n");
1462 smb->usb_vbus_enabled = false;
1467 if (smb->inok_polarity == SMB3XX_SYSOK_INOK_ACTIVE_HIGH)
1470 ret = regmap_update_bits(smb->regmap, CFG_SYSOK,
1473 dev_err(smb->dev, "failed to enable INOK\n");
1478 smb347_start_stop_charging(smb);
1480 smb347_set_writable(smb, false, true);
1537 struct smb347_charger *smb;
1540 smb = devm_kzalloc(dev, sizeof(*smb), GFP_KERNEL);
1541 if (!smb)
1543 smb->dev = &client->dev;
1544 smb->id = id->driver_data;
1545 i2c_set_clientdata(client, smb);
1547 smb347_dt_parse_dev_info(smb);
1548 if (!smb->use_mains && !smb->use_usb)
1551 smb->regmap = devm_regmap_init_i2c(client, &smb347_regmap);
1552 if (IS_ERR(smb->regmap))
1553 return PTR_ERR(smb->regmap);
1555 mains_usb_cfg.drv_data = smb;
1557 if (smb->use_mains) {
1558 smb->mains = devm_power_supply_register(dev, &smb347_mains_desc,
1560 if (IS_ERR(smb->mains))
1561 return PTR_ERR(smb->mains);
1564 if (smb->use_usb) {
1565 smb->usb = devm_power_supply_register(dev, &smb347_usb_desc,
1567 if (IS_ERR(smb->usb))
1568 return PTR_ERR(smb->usb);
1571 ret = smb347_get_battery_info(smb);
1575 ret = smb347_hw_init(smb);
1579 ret = smb347_irq_init(smb, client);
1584 usb_rdev_cfg.driver_data = smb;
1585 usb_rdev_cfg.regmap = smb->regmap;
1587 smb->usb_rdev = devm_regulator_register(dev,
1590 if (IS_ERR(smb->usb_rdev)) {
1591 smb347_irq_disable(smb);
1592 return PTR_ERR(smb->usb_rdev);
1600 struct smb347_charger *smb = i2c_get_clientdata(client);
1602 smb347_usb_vbus_regulator_disable(smb->usb_rdev);
1603 smb347_irq_disable(smb);