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path: root/drivers/power/stmp37xx/ddi_bc_hw.h
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/*
 * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
 */

/*
 * The code contained herein is licensed under the GNU General Public
 * License. You may obtain a copy of the GNU General Public License
 * Version 2 or later at the following locations:
 *
 * http://www.opensource.org/licenses/gpl-license.html
 * http://www.gnu.org/copyleft/gpl.html
 */

////////////////////////////////////////////////////////////////////////////////
//! \addtogroup ddi_bc
//! @{
//
// Copyright (c) 2004-2005 SigmaTel, Inc.
//
//! \file ddi_bc_hw.h
//! \brief Internal header file for Battery Charger hardware operations.
//! \date 06/2005
//!
//! This file contains internal declarations for Battery Charger hardware
//! operations.
//!
//! \see ddi_bc.c and related files.
////////////////////////////////////////////////////////////////////////////////

#ifndef _DDI_BC_HW_H
#define _DDI_BC_HW_H

////////////////////////////////////////////////////////////////////////////////
// Definitions
////////////////////////////////////////////////////////////////////////////////

//! The enumeration of battery modes.

typedef enum _ddi_bc_BatteryMode {
	DDI_BC_BATTERY_MODE_LI_ION_2_CELLS = 0,
	DDI_BC_BATTERY_MODE_LI_ION_1_CELL = 1,
	DDI_BC_BATTERY_MODE_2_CELLS = 2,
	DDI_BC_BATTERY_MODE_1_CELL = 3
} ddi_bc_BatteryMode_t;

//! The enumeration of bias current sources.

typedef enum _ddi_bc_BiasCurrentSource {
	DDI_BC_EXTERNAL_BIAS_CURRENT = 0,
	DDI_BC_INTERNAL_BIAS_CURRENT = 1,
} ddi_bc_BiasCurrentSource_t;

////////////////////////////////////////////////////////////////////////////////
// Prototypes
////////////////////////////////////////////////////////////////////////////////

extern int ddi_bc_hwBatteryChargerIsEnabled(void);
extern ddi_bc_BatteryMode_t ddi_bc_hwGetBatteryMode(void);
extern ddi_bc_BiasCurrentSource_t ddi_bc_hwGetBiasCurrentSource(void);
extern ddi_bc_Status_t
ddi_bc_hwSetBiasCurrentSource(ddi_bc_BiasCurrentSource_t);
extern ddi_bc_Status_t ddi_bc_hwSetChargingVoltage(uint16_t);
extern uint16_t ddi_bc_hwGetBatteryVoltage(void);
extern int ddi_bc_hwPowerSupplyIsPresent(void);
extern uint16_t ddi_bc_hwSetMaxCurrent(uint16_t);
extern uint16_t ddi_bc_hwGetMaxCurrent(void);
extern uint16_t ddi_bc_hwSetCurrentThreshold(uint16_t);
extern uint16_t ddi_bc_hwGetCurrentThreshold(void);
extern int ddi_bc_hwChargerPowerIsOn(void);
extern void ddi_bc_hwSetChargerPower(int);
extern int ddi_bc_hwGetChargeStatus(void);
extern void ddi_bc_hwGetDieTemp(int16_t *, int16_t *);
extern ddi_bc_Status_t ddi_bc_hwGetBatteryTemp(uint16_t *);
uint8_t ddi_bc_hwCurrentToSetting(uint16_t);
uint16_t ddi_bc_hwSettingToCurrent(uint8_t);
uint16_t ddi_bc_hwExpressibleCurrent(uint16_t);

////////////////////////////////////////////////////////////////////////////////
//!
//! \brief Checks to see if the DCDC has been manually enabled
//!
//! \fntype Function
//!
//! \retval  true if DCDC is ON, false if DCDC is OFF.
//!
////////////////////////////////////////////////////////////////////////////////
bool ddi_bc_hwIsDcdcOn(void);

////////////////////////////////////////////////////////////////////////////////
// End of file
////////////////////////////////////////////////////////////////////////////////
#endif				// _DDI_BC_H
//! @}