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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2011 by Amaury Pouly
*
* This program 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.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __POWER_IMX233__
#define __POWER_IMX233__
#include "system.h"
#include "system-target.h"
#include "cpu.h"
#include "regs/power.h"
#include "regs/digctl.h"
void imx233_power_init(void);
void imx233_power_set_charge_current(unsigned current); /* in mA */
void imx233_power_set_stop_current(unsigned current); /* in mA */
void imx233_power_enable_batadj(bool enable);
bool imx233_power_usb_detect(void);
enum imx233_regulator_t
{
REGULATOR_VDDD, /* target, brownout, linreg[3700+], linreg offset[3700+] */
#if IMX233_SUBTARGET >= 3700
REGULATOR_VDDA, /* target, brownout, linreg, linreg offset */
REGULATOR_VDDIO, /* target, brownout, linreg offset */
REGULATOR_VDDMEM, /* target, linreg */
#endif
REGULATOR_COUNT,
};
void imx233_power_get_regulator(enum imx233_regulator_t reg, unsigned *target_mv,
unsigned *brownout_mv);
// WARNING this call will block until voltage is stable
void imx233_power_set_regulator(enum imx233_regulator_t reg, unsigned target_mv,
unsigned brownout_mv);
// offset is -1,0 or 1
void imx233_power_get_regulator_linreg(enum imx233_regulator_t reg,
bool *enabled, int *linreg_offset);
// offset is -1,0 or 1
void imx233_power_set_regulator_linreg(enum imx233_regulator_t reg,
bool enabled, int linreg_offset);
#if IMX233_SUBTARGET >= 3700
static inline void imx233_power_set_dcdc_freq(bool pll, unsigned freq)
{
if(pll)
BF_WR(POWER_MISC, FREQSEL(freq));
BF_WR(POWER_MISC, SEL_PLLCLK(pll));
}
#endif
static inline unsigned imx233_power_read_pswitch(void)
{
#if IMX233_SUBTARGET >= 3700
return BF_RD(POWER_STS, PSWITCH);
#else
return BF_RD(DIGCTL_STATUS, PSWITCH);
#endif
}
#if IMX233_SUBTARGET < 3700
/* return -1 on error */
int imx233_power_sense_die_temperature(int *min, int *max);
#endif
struct imx233_power_info_t
{
bool dcdc_sel_pllclk; /* clock source of DC-DC: pll or 24MHz xtal */
int dcdc_freqsel;
int charge_current;
int stop_current;
bool charging;
bool batt_adj;
bool _4p2_enable;
bool _4p2_dcdc;
int _4p2_cmptrip;
int _4p2_dropout;
bool _5v_pwd_charge_4p2;
int _5v_charge_4p2_limit;
bool _5v_dcdc_xfer;
bool _5v_enable_dcdc;
int _5v_vbusvalid_thr;
bool _5v_vbusvalid_detect;
bool _5v_vbus_cmps;
};
#define POWER_INFO_DCDC (1 << 4)
#define POWER_INFO_CHARGE (1 << 5)
#define POWER_INFO_4P2 (1 << 6)
#define POWER_INFO_5V (1 << 7)
#define POWER_INFO_ALL 0xff
struct imx233_power_info_t imx233_power_get_info(unsigned flags);
#endif /* __POWER_IMX233__ */
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