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/* USRP E310 Firmware Linear Technology LTC3765 driver
* Copyright (C) 2014 Ettus Research
* This file is part of the USRP E310 Firmware
* The USRP E310 Firmware is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
* The USRP E310 Firmware is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with the USRP E310 Firmware. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* \file ltc3675.h
* \brief Linear Technology LTC3675 driver
*/
#ifndef LTC3675_H
#define LTC3675_H
#include "pmu.h"
typedef enum ltc3675_regulator {
/** 1A Buck */
LTC3675_REG_1,
/** 1A Buck */
LTC3675_REG_2,
/** 500mA Buck */
LTC3675_REG_3,
/** 500mA Buck */
LTC3675_REG_4,
/** 1A Boost */
LTC3675_REG_5,
/** 1A Buck-Boost */
LTC3675_REG_6,
} ltc3675_regulator_t;
typedef struct ltc3675_pmu_regulator {
pmu_regulator_t pmu_reg;
ltc3675_regulator_t ltc3675_reg;
} ltc3675_pmu_regulator_t;
extern const pmu_regulator_ops_t ltc3675_ops;
/**
* \brief Initializes the LTC3675 chip
*
* This function will setup the internal pull-up resistors for the open drain
* input pins, clear old interrupts, unmask all warnings and set the warning
* level to 3.4V
*/
int8_t ltc3675_init(void);
/**
* \brief Event handler that gets called periodically
* \return returns 0 on success, negative error code in case of fault
*/
int8_t ltc3675_handle_events(void);
extern irqreturn_t ltc3675_button_wakeup_irq_handler(void);
extern irqreturn_t ltc3675_button_change_irq_handler(void);
extern irqreturn_t ltc3675_button_timer_irq_handler(void);
#endif /* LTC3675_H */
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