148 lines
3.5 KiB
C
148 lines
3.5 KiB
C
/* 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_ADAPTER_CLASS_H
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#define LINUX_POWER_ADAPTER_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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#define ADAPTER_CAP_MAX_NR 10
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struct adapter_power_cap {
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uint8_t selected_cap_idx;
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uint8_t nr;
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uint8_t pdp;
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uint8_t pwr_limit[ADAPTER_CAP_MAX_NR];
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int max_mv[ADAPTER_CAP_MAX_NR];
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int min_mv[ADAPTER_CAP_MAX_NR];
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int ma[ADAPTER_CAP_MAX_NR];
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int maxwatt[ADAPTER_CAP_MAX_NR];
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int minwatt[ADAPTER_CAP_MAX_NR];
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uint8_t type[ADAPTER_CAP_MAX_NR];
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int info[ADAPTER_CAP_MAX_NR];
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};
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enum adapter_type {
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MTK_PD_ADAPTER,
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};
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enum adapter_event {
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MTK_PD_CONNECT_NONE,
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MTK_PD_CONNECT_HARD_RESET,
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MTK_PD_CONNECT_PE_READY_SNK,
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MTK_PD_CONNECT_PE_READY_SNK_PD30,
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MTK_PD_CONNECT_PE_READY_SNK_APDO,
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MTK_PD_CONNECT_TYPEC_ONLY_SNK,
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MTK_TYPEC_WD_STATUS,
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MTK_TYPEC_HRESET_STATUS,
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};
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enum adapter_property {
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TYPEC_RP_LEVEL,
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PD_TYPE,
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};
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enum adapter_cap_type {
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MTK_PD_APDO_START,
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MTK_PD_APDO_END,
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MTK_PD,
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MTK_PD_APDO,
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MTK_CAP_TYPE_UNKNOWN,
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};
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enum adapter_return_value {
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MTK_ADAPTER_OK = 0,
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MTK_ADAPTER_NOT_SUPPORT,
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MTK_ADAPTER_TIMEOUT,
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MTK_ADAPTER_REJECT,
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MTK_ADAPTER_ERROR,
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MTK_ADAPTER_ADJUST,
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};
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struct adapter_status {
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int temperature;
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bool ocp;
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bool otp;
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bool ovp;
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};
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struct adapter_properties {
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const char *alias_name;
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};
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struct adapter_device {
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struct adapter_properties props;
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const struct adapter_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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};
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struct adapter_ops {
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int (*suspend)(struct adapter_device *dev, pm_message_t state);
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int (*resume)(struct adapter_device *dev);
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int (*get_property)(struct adapter_device *dev,
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enum adapter_property pro);
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int (*get_status)(struct adapter_device *dev,
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struct adapter_status *sta);
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int (*set_cap)(struct adapter_device *dev, enum adapter_cap_type type,
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int mV, int mA);
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int (*get_cap)(struct adapter_device *dev, enum adapter_cap_type type,
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struct adapter_power_cap *cap);
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int (*get_output)(struct adapter_device *dev, int *mV, int *mA);
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};
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static inline void *adapter_dev_get_drvdata(
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const struct adapter_device *adapter_dev)
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{
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return adapter_dev->driver_data;
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}
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static inline void adapter_dev_set_drvdata(
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struct adapter_device *adapter_dev, void *data)
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{
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adapter_dev->driver_data = data;
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}
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extern struct adapter_device *adapter_device_register(
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const char *name,
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struct device *parent, void *devdata, const struct adapter_ops *ops,
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const struct adapter_properties *props);
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extern void adapter_device_unregister(
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struct adapter_device *adapter_dev);
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extern int register_adapter_device_notifier(struct adapter_device *adapter_dev,
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struct notifier_block *nb);
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extern int unregister_adapter_device_notifier(
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struct adapter_device *adapter_dev,
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struct notifier_block *nb);
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extern struct adapter_device *get_adapter_by_name(
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const char *name);
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#define to_adapter_device(obj) container_of(obj, struct adapter_device, dev)
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extern int adapter_dev_get_property(struct adapter_device *adapter_dev,
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enum adapter_property sta);
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extern int adapter_dev_get_status(struct adapter_device *adapter_dev,
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struct adapter_status *sta);
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extern int adapter_dev_get_output(struct adapter_device *adapter_dev,
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int *mV, int *mA);
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extern int adapter_dev_set_cap(struct adapter_device *adapter_dev,
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enum adapter_cap_type type,
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int mV, int mA);
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extern int adapter_dev_get_cap(struct adapter_device *adapter_dev,
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enum adapter_cap_type type,
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struct adapter_power_cap *cap);
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#endif /*LINUX_POWER_ADAPTER_CLASS_H*/
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