321 lines
11 KiB
C
321 lines
11 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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#ifndef LINUX_POWER_CHARGER_CLASS_H
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#define LINUX_POWER_CHARGER_CLASS_H
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#include <linux/kernel.h>
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#include <linux/device.h>
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#include <linux/mutex.h>
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enum adc_channel {
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ADC_CHANNEL_VBUS,
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ADC_CHANNEL_VSYS,
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ADC_CHANNEL_VBAT,
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ADC_CHANNEL_IBUS,
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ADC_CHANNEL_IBAT,
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ADC_CHANNEL_TEMP_JC,
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ADC_CHANNEL_USBID,
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ADC_CHANNEL_TS,
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};
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struct charger_properties {
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const char *alias_name;
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};
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/* Data of notifier from charger device */
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struct chgdev_notify {
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bool vbusov_stat;
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};
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/* charger_dev notify */
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enum {
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CHARGER_DEV_NOTIFY_VBUS_OVP,
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CHARGER_DEV_NOTIFY_BAT_OVP,
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CHARGER_DEV_NOTIFY_EOC,
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CHARGER_DEV_NOTIFY_RECHG,
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CHARGER_DEV_NOTIFY_SAFETY_TIMEOUT,
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};
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struct charger_device {
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struct charger_properties props;
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struct chgdev_notify noti;
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const struct charger_ops *ops;
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struct mutex ops_lock;
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struct device dev;
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struct srcu_notifier_head evt_nh;
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void *driver_data;
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bool is_polling_mode;
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};
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struct charger_ops {
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int (*suspend)(struct charger_device *dev, pm_message_t state);
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int (*resume)(struct charger_device *dev);
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/* cable plug in/out */
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int (*plug_in)(struct charger_device *dev);
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int (*plug_out)(struct charger_device *dev);
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/* enable/disable charger */
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int (*enable)(struct charger_device *dev, bool en);
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int (*is_enabled)(struct charger_device *dev, bool *en);
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/* enable/disable chip */
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int (*enable_chip)(struct charger_device *dev, bool en);
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int (*is_chip_enabled)(struct charger_device *dev, bool *en);
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/* get/set charging current*/
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int (*get_charging_current)(struct charger_device *dev, u32 *uA);
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int (*set_charging_current)(struct charger_device *dev, u32 uA);
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int (*get_min_charging_current)(struct charger_device *dev, u32 *uA);
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/* set cv */
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int (*set_constant_voltage)(struct charger_device *dev, u32 uV);
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int (*get_constant_voltage)(struct charger_device *dev, u32 *uV);
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/* set input_current */
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int (*get_input_current)(struct charger_device *dev, u32 *uA);
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int (*set_input_current)(struct charger_device *dev, u32 uA);
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int (*get_min_input_current)(struct charger_device *dev, u32 *uA);
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/* set termination current */
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int (*get_eoc_current)(struct charger_device *dev, u32 *uA);
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int (*set_eoc_current)(struct charger_device *dev, u32 uA);
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/* kick wdt */
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int (*kick_wdt)(struct charger_device *dev);
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int (*event)(struct charger_device *dev, u32 event, u32 args);
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/* PE+/PE+2.0 */
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int (*send_ta_current_pattern)(struct charger_device *dev, bool is_inc);
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int (*send_ta20_current_pattern)(struct charger_device *dev, u32 uV);
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int (*reset_ta)(struct charger_device *dev);
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int (*enable_cable_drop_comp)(struct charger_device *dev, bool en);
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int (*set_mivr)(struct charger_device *dev, u32 uV);
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int (*get_mivr)(struct charger_device *dev, u32 *uV);
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int (*get_mivr_state)(struct charger_device *dev, bool *in_loop);
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/* enable/disable powerpath */
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int (*is_powerpath_enabled)(struct charger_device *dev, bool *en);
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int (*enable_powerpath)(struct charger_device *dev, bool en);
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/* enable/disable vbus ovp */
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int (*enable_vbus_ovp)(struct charger_device *dev, bool en);
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/* enable/disable charging safety timer */
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int (*is_safety_timer_enabled)(struct charger_device *dev, bool *en);
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int (*enable_safety_timer)(struct charger_device *dev, bool en);
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/* enable term */
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int (*enable_termination)(struct charger_device *dev, bool en);
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/* direct charging */
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int (*enable_direct_charging)(struct charger_device *dev, bool en);
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int (*kick_direct_charging_wdt)(struct charger_device *dev);
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int (*set_direct_charging_ibusoc)(struct charger_device *dev, u32 uA);
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int (*set_direct_charging_vbusov)(struct charger_device *dev, u32 uV);
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/* OTG */
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int (*enable_otg)(struct charger_device *dev, bool en);
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int (*enable_discharge)(struct charger_device *dev, bool en);
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int (*set_boost_current_limit)(struct charger_device *dev, u32 uA);
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/* charger type detection */
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int (*enable_chg_type_det)(struct charger_device *dev, bool en);
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/* run AICL */
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int (*run_aicl)(struct charger_device *dev, u32 *uA);
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/* reset EOC state */
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int (*reset_eoc_state)(struct charger_device *dev);
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int (*safety_check)(struct charger_device *dev, u32 polling_ieoc);
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int (*is_charging_done)(struct charger_device *dev, bool *done);
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int (*set_pe20_efficiency_table)(struct charger_device *dev);
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int (*dump_registers)(struct charger_device *dev);
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int (*get_adc)(struct charger_device *dev, enum adc_channel chan,
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int *min, int *max);
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int (*get_vbus_adc)(struct charger_device *dev, u32 *vbus);
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int (*get_ibus_adc)(struct charger_device *dev, u32 *ibus);
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int (*get_ibat_adc)(struct charger_device *dev, u32 *ibat);
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int (*get_tchg_adc)(struct charger_device *dev, int *tchg_min,
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int *tchg_max);
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int (*get_zcv)(struct charger_device *dev, u32 *uV);
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/* TypeC */
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int (*enable_usbid)(struct charger_device *dev, bool en);
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int (*set_usbid_rup)(struct charger_device *dev, u32 rup);
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int (*set_usbid_src_ton)(struct charger_device *dev, u32 src_ton);
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int (*enable_usbid_floating)(struct charger_device *dev, bool en);
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int (*enable_force_typec_otp)(struct charger_device *dev, bool en);
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int (*enable_hidden_mode)(struct charger_device *dev, bool en);
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int (*get_ctd_dischg_status)(struct charger_device *dev, u8 *status);
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};
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static inline void *charger_dev_get_drvdata(
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const struct charger_device *charger_dev)
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{
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return charger_dev->driver_data;
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}
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static inline void charger_dev_set_drvdata(
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struct charger_device *charger_dev, void *data)
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{
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charger_dev->driver_data = data;
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}
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extern struct charger_device *charger_device_register(
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const char *name,
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struct device *parent, void *devdata, const struct charger_ops *ops,
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const struct charger_properties *props);
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extern void charger_device_unregister(
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struct charger_device *charger_dev);
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extern struct charger_device *get_charger_by_name(
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const char *name);
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#define to_charger_device(obj) container_of(obj, struct charger_device, dev)
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static inline void *charger_get_data(
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struct charger_device *charger_dev)
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{
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return dev_get_drvdata(&charger_dev->dev);
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}
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extern int charger_dev_enable(struct charger_device *charger_dev, bool en);
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extern int charger_dev_is_enabled(struct charger_device *charger_dev, bool *en);
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extern int charger_dev_plug_in(struct charger_device *charger_dev);
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extern int charger_dev_plug_out(struct charger_device *charger_dev);
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extern int charger_dev_set_charging_current(
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struct charger_device *charger_dev, u32 uA);
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extern int charger_dev_get_charging_current(
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struct charger_device *charger_dev, u32 *uA);
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extern int charger_dev_get_min_charging_current(
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struct charger_device *charger_dev, u32 *uA);
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extern int charger_dev_set_input_current(
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struct charger_device *charger_dev, u32 uA);
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extern int charger_dev_get_input_current(
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struct charger_device *charger_dev, u32 *uA);
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extern int charger_dev_get_min_input_current(
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struct charger_device *charger_dev, u32 *uA);
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extern int charger_dev_set_eoc_current(
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struct charger_device *charger_dev, u32 uA);
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extern int charger_dev_get_eoc_current(
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struct charger_device *charger_dev, u32 *uA);
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extern int charger_dev_kick_wdt(
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struct charger_device *charger_dev);
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extern int charger_dev_set_constant_voltage(
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struct charger_device *charger_dev, u32 uV);
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extern int charger_dev_get_constant_voltage(
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struct charger_device *charger_dev, u32 *uV);
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extern int charger_dev_dump_registers(
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struct charger_device *charger_dev);
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extern int charger_dev_enable_vbus_ovp(
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struct charger_device *charger_dev, bool en);
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extern int charger_dev_set_mivr(
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struct charger_device *charger_dev, u32 uV);
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extern int charger_dev_get_mivr(
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struct charger_device *charger_dev, u32 *uV);
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extern int charger_dev_get_mivr_state(
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struct charger_device *charger_dev, bool *in_loop);
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extern int charger_dev_do_event(
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struct charger_device *charger_dev, u32 event, u32 args);
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extern int charger_dev_is_powerpath_enabled(
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struct charger_device *charger_dev, bool *en);
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extern int charger_dev_is_safety_timer_enabled(
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struct charger_device *charger_dev, bool *en);
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extern int charger_dev_enable_termination(
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struct charger_device *charger_dev, bool en);
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extern int charger_dev_is_charging_done(
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struct charger_device *charger_dev, bool *done);
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extern int charger_dev_enable_powerpath(
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struct charger_device *charger_dev, bool en);
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extern int charger_dev_enable_safety_timer(
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struct charger_device *charger_dev, bool en);
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extern int charger_dev_enable_chg_type_det(
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struct charger_device *charger_dev, bool en);
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extern int charger_dev_enable_otg(
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struct charger_device *charger_dev, bool en);
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extern int charger_dev_enable_discharge(
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struct charger_device *charger_dev, bool en);
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extern int charger_dev_set_boost_current_limit(
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struct charger_device *charger_dev, u32 uA);
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extern int charger_dev_get_zcv(
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struct charger_device *charger_dev, u32 *uV);
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extern int charger_dev_run_aicl(
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struct charger_device *charger_dev, u32 *uA);
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extern int charger_dev_reset_eoc_state(
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struct charger_device *charger_dev);
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extern int charger_dev_safety_check(
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struct charger_device *charger_dev, u32 polling_ieoc);
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/* PE+/PE+2.0 */
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extern int charger_dev_send_ta_current_pattern(
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struct charger_device *charger_dev, bool is_increase);
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extern int charger_dev_send_ta20_current_pattern(
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struct charger_device *charger_dev, u32 uV);
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extern int charger_dev_reset_ta(
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struct charger_device *charger_dev);
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extern int charger_dev_set_pe20_efficiency_table(
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struct charger_device *charger_dev);
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extern int charger_dev_enable_cable_drop_comp(
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struct charger_device *charger_dev, bool en);
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/* PE 3.0 */
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extern int charger_dev_enable_chip(
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struct charger_device *charger_dev, bool en);
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extern int charger_dev_is_chip_enabled(
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struct charger_device *charger_dev, bool *en);
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extern int charger_dev_enable_direct_charging(
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struct charger_device *charger_dev, bool en);
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extern int charger_dev_kick_direct_charging_wdt(
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struct charger_device *charger_dev);
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extern int charger_dev_get_adc(struct charger_device *charger_dev,
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enum adc_channel chan, int *min, int *max);
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/* Prefer use charger_dev_get_adc api */
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extern int charger_dev_get_vbus(
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struct charger_device *charger_dev, u32 *vbus);
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extern int charger_dev_get_ibus(
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struct charger_device *charger_dev, u32 *ibus);
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extern int charger_dev_get_ibat(
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struct charger_device *charger_dev, u32 *ibat);
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extern int charger_dev_get_temperature(
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struct charger_device *charger_dev, int *tchg_min,
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int *tchg_max);
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extern int charger_dev_set_direct_charging_ibusoc(
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struct charger_device *charger_dev, u32 ua);
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extern int charger_dev_set_direct_charging_vbusov(
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struct charger_device *charger_dev, u32 uv);
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/* TypeC */
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extern int charger_dev_enable_usbid(struct charger_device *dev, bool en);
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extern int charger_dev_set_usbid_rup(struct charger_device *dev, u32 rup);
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extern int charger_dev_set_usbid_src_ton(struct charger_device *dev,
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u32 src_ton);
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extern int charger_dev_enable_usbid_floating(struct charger_device *dev,
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bool en);
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extern int charger_dev_enable_force_typec_otp(struct charger_device *dev,
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bool en);
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extern int charger_dev_get_ctd_dischg_status(struct charger_device *dev,
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u8 *status);
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/* For buck1 FPWM */
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extern int charger_dev_enable_hidden_mode(struct charger_device *dev, bool en);
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extern int register_charger_device_notifier(
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struct charger_device *charger_dev,
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struct notifier_block *nb);
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extern int unregister_charger_device_notifier(
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struct charger_device *charger_dev,
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struct notifier_block *nb);
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extern int charger_dev_notify(
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struct charger_device *charger_dev, int event);
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#endif /*LINUX_POWER_CHARGER_CLASS_H*/
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