118 lines
3.5 KiB
C
118 lines
3.5 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* 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;
|
|
#if IMX233_SUBTARGET >= 3780
|
|
bool _4p2_enable;
|
|
bool _4p2_dcdc;
|
|
int _4p2_cmptrip;
|
|
int _4p2_dropout;
|
|
bool _5v_pwd_charge_4p2;
|
|
int _5v_charge_4p2_limit;
|
|
#endif
|
|
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__ */
|