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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* Regulator uapi header
*
* Author: Naresh Solanki <Naresh.Solanki@9elements.com>
*/
#ifndef _UAPI_REGULATOR_H
#define _UAPI_REGULATOR_H
#ifdef __KERNEL__
#include <linux/types.h>
#else
#include <stdint.h>
#endif
/*
* Regulator notifier events.
*
* UNDER_VOLTAGE Regulator output is under voltage.
* OVER_CURRENT Regulator output current is too high.
* REGULATION_OUT Regulator output is out of regulation.
* FAIL Regulator output has failed.
* OVER_TEMP Regulator over temp.
* FORCE_DISABLE Regulator forcibly shut down by software.
* VOLTAGE_CHANGE Regulator voltage changed.
* Data passed is old voltage cast to (void *).
* DISABLE Regulator was disabled.
* PRE_VOLTAGE_CHANGE Regulator is about to have voltage changed.
* Data passed is "struct pre_voltage_change_data"
* ABORT_VOLTAGE_CHANGE Regulator voltage change failed for some reason.
* Data passed is old voltage cast to (void *).
* PRE_DISABLE Regulator is about to be disabled
* ABORT_DISABLE Regulator disable failed for some reason
*
* NOTE: These events can be OR'ed together when passed into handler.
*/
#define REGULATOR_EVENT_UNDER_VOLTAGE 0x01
#define REGULATOR_EVENT_OVER_CURRENT 0x02
#define REGULATOR_EVENT_REGULATION_OUT 0x04
#define REGULATOR_EVENT_FAIL 0x08
#define REGULATOR_EVENT_OVER_TEMP 0x10
#define REGULATOR_EVENT_FORCE_DISABLE 0x20
#define REGULATOR_EVENT_VOLTAGE_CHANGE 0x40
#define REGULATOR_EVENT_DISABLE 0x80
#define REGULATOR_EVENT_PRE_VOLTAGE_CHANGE 0x100
#define REGULATOR_EVENT_ABORT_VOLTAGE_CHANGE 0x200
#define REGULATOR_EVENT_PRE_DISABLE 0x400
#define REGULATOR_EVENT_ABORT_DISABLE 0x800
#define REGULATOR_EVENT_ENABLE 0x1000
/*
* Following notifications should be emitted only if detected condition
* is such that the HW is likely to still be working but consumers should
* take a recovery action to prevent problems escalating into errors.
*/
#define REGULATOR_EVENT_UNDER_VOLTAGE_WARN 0x2000
#define REGULATOR_EVENT_OVER_CURRENT_WARN 0x4000
#define REGULATOR_EVENT_OVER_VOLTAGE_WARN 0x8000
#define REGULATOR_EVENT_OVER_TEMP_WARN 0x10000
#define REGULATOR_EVENT_WARN_MASK 0x1E000
struct reg_genl_event {
char reg_name[32];
uint64_t event;
};
/* attributes of reg_genl_family */
enum {
REG_GENL_ATTR_UNSPEC,
REG_GENL_ATTR_EVENT, /* reg event info needed by user space */
__REG_GENL_ATTR_MAX,
};
#define REG_GENL_ATTR_MAX (__REG_GENL_ATTR_MAX - 1)
/* commands supported by the reg_genl_family */
enum {
REG_GENL_CMD_UNSPEC,
REG_GENL_CMD_EVENT, /* kernel->user notifications for reg events */
__REG_GENL_CMD_MAX,
};
#define REG_GENL_CMD_MAX (__REG_GENL_CMD_MAX - 1)
#define REG_GENL_FAMILY_NAME "reg_event"
#define REG_GENL_VERSION 0x01
#define REG_GENL_MCAST_GROUP_NAME "reg_mc_group"
#endif /* _UAPI_REGULATOR_H */