Lines Matching refs:ddata
176 static int cpcap_charger_get_charge_voltage(struct cpcap_charger_ddata *ddata)
181 channel = ddata->channels[CPCAP_CHARGER_IIO_VOLTAGE];
184 dev_warn(ddata->dev, "%s failed: %i\n", __func__, error);
192 static int cpcap_charger_get_charge_current(struct cpcap_charger_ddata *ddata)
197 channel = ddata->channels[CPCAP_CHARGER_IIO_CHRG_CURRENT];
200 dev_warn(ddata->dev, "%s failed: %i\n", __func__, error);
212 struct cpcap_charger_ddata *ddata = dev_get_drvdata(psy->dev.parent);
216 val->intval = ddata->status;
219 val->intval = ddata->limit_current;
222 val->intval = ddata->voltage;
225 if (ddata->status == POWER_SUPPLY_STATUS_CHARGING)
226 val->intval = cpcap_charger_get_charge_voltage(ddata) *
232 if (ddata->status == POWER_SUPPLY_STATUS_CHARGING)
233 val->intval = cpcap_charger_get_charge_current(ddata) *
239 val->intval = ddata->status == POWER_SUPPLY_STATUS_CHARGING;
272 cpcap_charger_get_bat_const_charge_voltage(struct cpcap_charger_ddata *ddata)
276 int voltage = ddata->voltage;
317 struct cpcap_charger_ddata *ddata = dev_get_drvdata(psy->dev.parent);
324 ddata->limit_current = val->intval;
325 schedule_delayed_work(&ddata->detect_work, 0);
329 batvolt = cpcap_charger_get_bat_const_charge_voltage(ddata);
332 ddata->voltage = voltage;
333 schedule_delayed_work(&ddata->detect_work, 0);
354 static void cpcap_charger_set_cable_path(struct cpcap_charger_ddata *ddata,
357 if (!ddata->gpio[0])
360 gpiod_set_value(ddata->gpio[0], enabled);
363 static void cpcap_charger_set_inductive_path(struct cpcap_charger_ddata *ddata,
366 if (!ddata->gpio[1])
369 gpiod_set_value(ddata->gpio[1], enabled);
372 static void cpcap_charger_update_state(struct cpcap_charger_ddata *ddata,
378 dev_warn(ddata->dev, "unknown state: %i\n", state);
383 ddata->status = state;
402 dev_dbg(ddata->dev, "state: %s\n", status);
405 static int cpcap_charger_disable(struct cpcap_charger_ddata *ddata)
409 error = regmap_update_bits(ddata->reg, CPCAP_REG_CRM, 0x3fff,
413 dev_err(ddata->dev, "%s failed with %i\n", __func__, error);
418 static int cpcap_charger_enable(struct cpcap_charger_ddata *ddata,
427 dev_dbg(ddata->dev, "enable: %i %i %i\n",
430 error = regmap_update_bits(ddata->reg, CPCAP_REG_CRM, 0x3fff,
438 dev_err(ddata->dev, "%s failed with %i\n", __func__, error);
443 static bool cpcap_charger_vbus_valid(struct cpcap_charger_ddata *ddata)
447 ddata->channels[CPCAP_CHARGER_IIO_VBUS];
453 dev_err(ddata->dev, "error reading VBUS: %i\n", error);
461 struct cpcap_charger_ddata *ddata;
465 ddata = container_of(work, struct cpcap_charger_ddata,
468 if (ddata->vbus_enabled) {
469 vbus = cpcap_charger_vbus_valid(ddata);
471 dev_dbg(ddata->dev, "VBUS already provided\n");
476 ddata->feeding_vbus = true;
477 cpcap_charger_set_cable_path(ddata, false);
478 cpcap_charger_set_inductive_path(ddata, false);
480 error = cpcap_charger_disable(ddata);
484 cpcap_charger_update_state(ddata,
487 error = regmap_update_bits(ddata->reg, CPCAP_REG_VUSBC,
493 error = regmap_update_bits(ddata->reg, CPCAP_REG_CRM,
499 error = regmap_update_bits(ddata->reg, CPCAP_REG_VUSBC,
504 error = regmap_update_bits(ddata->reg, CPCAP_REG_CRM,
509 cpcap_charger_set_cable_path(ddata, true);
510 cpcap_charger_set_inductive_path(ddata, true);
511 ddata->feeding_vbus = false;
517 cpcap_charger_update_state(ddata, POWER_SUPPLY_STATUS_UNKNOWN);
518 dev_err(ddata->dev, "%s could not %s vbus: %i\n", __func__,
519 ddata->vbus_enabled ? "enable" : "disable", error);
525 struct cpcap_charger_ddata *ddata =
529 ddata->vbus_enabled = enabled;
530 schedule_delayed_work(&ddata->vbus_work, 0);
537 static int cpcap_charger_get_ints_state(struct cpcap_charger_ddata *ddata,
542 error = regmap_read(ddata->reg, CPCAP_REG_INTS1, &val);
550 error = regmap_read(ddata->reg, CPCAP_REG_INTS2, &val);
560 error = regmap_read(ddata->reg, CPCAP_REG_INTS4, &val);
595 static void cpcap_charger_disconnect(struct cpcap_charger_ddata *ddata,
604 power_supply_changed(ddata->usb);
610 error = cpcap_charger_disable(ddata);
612 cpcap_charger_update_state(ddata, POWER_SUPPLY_STATUS_UNKNOWN);
616 cpcap_charger_update_state(ddata, state);
617 power_supply_changed(ddata->usb);
618 schedule_delayed_work(&ddata->detect_work, delay);
623 struct cpcap_charger_ddata *ddata;
627 ddata = container_of(work, struct cpcap_charger_ddata,
630 error = cpcap_charger_get_ints_state(ddata, &s);
636 cpcap_charger_update_state(ddata,
646 if (cpcap_charger_get_charge_voltage(ddata) > ddata->voltage) {
647 cpcap_charger_disconnect(ddata,
658 switch (ddata->status) {
665 cpcap_charger_disconnect(ddata, new_state, HZ * 5);
677 cpcap_charger_disconnect(ddata, new_state, HZ * 5);
684 if (!ddata->feeding_vbus && cpcap_charger_vbus_valid(ddata) &&
693 dev_err(ddata->dev, "battery power_supply not available %li\n",
706 dev_info(ddata->dev, "battery not inserted, charging disabled\n");
710 if (max_current > ddata->limit_current)
711 max_current = ddata->limit_current;
714 vchrg = cpcap_charger_voltage_to_regval(ddata->voltage);
715 error = cpcap_charger_enable(ddata,
720 cpcap_charger_update_state(ddata,
723 error = cpcap_charger_disable(ddata);
726 cpcap_charger_update_state(ddata,
730 power_supply_changed(ddata->usb);
734 cpcap_charger_update_state(ddata, POWER_SUPPLY_STATUS_UNKNOWN);
735 dev_err(ddata->dev, "%s failed with %i\n", __func__, error);
740 struct cpcap_charger_ddata *ddata = data;
742 if (!atomic_read(&ddata->active))
745 schedule_delayed_work(&ddata->detect_work, 0);
751 struct cpcap_charger_ddata *ddata,
761 error = devm_request_threaded_irq(ddata->dev, irq, NULL,
764 name, ddata);
766 dev_err(ddata->dev, "could not get irq %s: %i\n",
772 d = devm_kzalloc(ddata->dev, sizeof(*d), GFP_KERNEL);
778 list_add(&d->node, &ddata->irq_list);
795 struct cpcap_charger_ddata *ddata)
800 error = cpcap_usb_init_irq(pdev, ddata, cpcap_charger_irqs[i]);
808 static void cpcap_charger_init_optional_gpios(struct cpcap_charger_ddata *ddata)
813 ddata->gpio[i] = devm_gpiod_get_index(ddata->dev, "mode",
815 if (IS_ERR(ddata->gpio[i])) {
816 dev_info(ddata->dev, "no mode change GPIO%i: %li\n",
817 i, PTR_ERR(ddata->gpio[i]));
818 ddata->gpio[i] = NULL;
823 static int cpcap_charger_init_iio(struct cpcap_charger_ddata *ddata)
831 ddata->channels[i] = devm_iio_channel_get(ddata->dev,
833 if (IS_ERR(ddata->channels[i])) {
834 error = PTR_ERR(ddata->channels[i]);
838 if (!ddata->channels[i]->indio_dev) {
848 dev_err(ddata->dev, "could not initialize VBUS or ID IIO: %i\n",
880 struct cpcap_charger_ddata *ddata;
890 ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
891 if (!ddata)
894 ddata->dev = &pdev->dev;
895 ddata->voltage = 4200000;
896 ddata->limit_current = 532000;
898 ddata->reg = dev_get_regmap(ddata->dev->parent, NULL);
899 if (!ddata->reg)
902 INIT_LIST_HEAD(&ddata->irq_list);
903 INIT_DELAYED_WORK(&ddata->detect_work, cpcap_usb_detect);
904 INIT_DELAYED_WORK(&ddata->vbus_work, cpcap_charger_vbus_work);
905 platform_set_drvdata(pdev, ddata);
907 error = cpcap_charger_init_iio(ddata);
911 atomic_set(&ddata->active, 1);
914 psy_cfg.drv_data = ddata;
918 ddata->usb = devm_power_supply_register(ddata->dev,
921 if (IS_ERR(ddata->usb)) {
922 error = PTR_ERR(ddata->usb);
923 dev_err(ddata->dev, "failed to register USB charger: %i\n",
929 error = cpcap_usb_init_interrupts(pdev, ddata);
933 ddata->comparator.set_vbus = cpcap_charger_set_vbus;
934 error = omap_usb2_set_comparator(&ddata->comparator);
936 dev_info(ddata->dev, "charger needs phy, deferring probe\n");
940 cpcap_charger_init_optional_gpios(ddata);
942 schedule_delayed_work(&ddata->detect_work, 0);
949 struct cpcap_charger_ddata *ddata = platform_get_drvdata(pdev);
952 atomic_set(&ddata->active, 0);
955 dev_warn(ddata->dev, "could not clear USB comparator: %i\n",
958 error = cpcap_charger_disable(ddata);
960 cpcap_charger_update_state(ddata, POWER_SUPPLY_STATUS_UNKNOWN);
961 dev_warn(ddata->dev, "could not clear charger: %i\n",
964 cpcap_charger_update_state(ddata, POWER_SUPPLY_STATUS_DISCHARGING);
965 cancel_delayed_work_sync(&ddata->vbus_work);
966 cancel_delayed_work_sync(&ddata->detect_work);