/* Charging power state initialization */
int charger_post_init(void)
{
int rv;
int option;
rv = charger_get_option(&option);
if (rv)
return rv;
/* Don't be noisy */
option |= OPT_AUDIO_FREQ_40KHZ_LIMIT;
/* Always monitor adapter current (40X multiplier). */
option |= OPT_FIX_IOUT_ALWAYS;
option &= ~OPT_IOUT_MASK;
option &= ~OPT_LEARN_MASK;
/* Enable dynamic power management */
option |= OPT_IDPM_ENABLE;
rv = charger_set_option(option);
if (rv)
return rv;
rv = charger_set_input_current(CONFIG_CHARGER_INPUT_CURRENT);
return rv;
}
/* Charging power state initialization */
int charger_post_init(void)
{
int rv, option;
#ifdef CONFIG_CHARGER_ILIM_PIN_DISABLED
int option2;
#endif
rv = charger_get_option(&option);
if (rv)
return rv;
option &= ~OPTION0_LEARN_ENABLE;
rv = charger_set_option(option);
if (rv)
return rv;
#ifndef BOARD_SAMUS
/* Turn off PROCHOT warning */
rv = raw_read16(REG_PROCHOT_OPTION1, &option);
if (rv)
return rv;
option &= ~PROCHOT_OPTION1_SELECTOR_MASK;
rv = raw_write16(REG_PROCHOT_OPTION1, option);
#else
/* On Samus, use PROCHOT warning to detect charging problems */
/* Turn on PROCHOT warning */
rv = raw_write16(REG_PROCHOT_OPTION1, 0x8120);
/* Set PROCHOT ICRIT warning when IADP is >120% of IDPM */
rv |= raw_write16(REG_PROCHOT_OPTION0, 0x1b54);
#endif
if (rv)
return rv;
#ifdef CONFIG_CHARGER_ILIM_PIN_DISABLED
/* Read the external ILIM pin enabled flag. */
rv = raw_read16(REG_CHARGE_OPTION2, &option2);
if (rv)
return rv;
/* Set ILIM pin disabled if it is currently enabled. */
if (option2 & OPTION2_EN_EXTILIM) {
option2 &= ~OPTION2_EN_EXTILIM;
rv = raw_write16(REG_CHARGE_OPTION2, option2);
}
return rv;
#else
return EC_SUCCESS;
#endif
}
int charger_set_mode(int mode)
{
int rv;
int option;
rv = charger_get_option(&option);
if (rv)
return rv;
if (mode & CHARGE_FLAG_INHIBIT_CHARGE)
option |= OPTION_CHARGE_INHIBIT;
else
option &= ~OPTION_CHARGE_INHIBIT;
return charger_set_option(option);
}
int charger_discharge_on_ac(int enable)
{
int rv;
int option;
rv = charger_get_option(&option);
if (rv)
return rv;
if (enable)
rv = charger_set_option(option | OPTION_LEARN_ENABLE);
else
rv = charger_set_option(option & ~OPTION_LEARN_ENABLE);
return rv;
}
int charger_set_mode(int mode)
{
int rv;
int option;
rv = charger_get_option(&option);
if (rv)
return rv;
option &= ~OPT_CHARGE_INHIBIT_MASK;
if (mode & CHARGE_FLAG_INHIBIT_CHARGE)
option |= OPT_CHARGE_DISABLE;
else
option |= OPT_CHARGE_ENABLE;
return charger_set_option(option);
}
int charger_get_status(int *status)
{
int rv;
int option;
rv = charger_get_option(&option);
if (rv)
return rv;
/* Default status */
*status = CHARGER_LEVEL_2;
if (option & OPTION_CHARGE_INHIBIT)
*status |= CHARGER_CHARGE_INHIBITED;
return EC_SUCCESS;
}
int charger_discharge_on_ac(int enable)
{
int rv;
int option;
rv = charger_get_option(&option);
if (rv)
return rv;
option &= ~OPT_LEARN_MASK;
if (enable)
option |= OPT_LEARN_ENABLE;
else
option |= OPT_LEARN_DISABLE;
rv = charger_set_option(option);
return rv;
}
/* Charging power state initialization */
int charger_post_init(void)
{
/*
* Note: bq24735 power on reset state is:
* watch dog timer = 175 sec
* input current limit = ~1/2 maximum setting
* charging voltage = 0 mV
* charging current = 0 mA
*/
int rv, option;
rv = charger_get_option(&option);
if (rv)
return rv;
option &= ~OPTION_LEARN_ENABLE;
rv = charger_set_option(option);
if (rv)
return rv;
/* Set charger input current limit */
return charger_set_input_current(CONFIG_CHARGER_INPUT_CURRENT);
}