/* ------------------------------------------------------------------------*//**
* @FUNCTION voltdm54xx_voltage_get
* @BRIEF find the current supply voltage of a domain
* @RETURNS supply voltage in case of success (>= 0.0)
* OMAPCONF_ERR_ARG
* OMAPCONF_ERR_CPU
* OMAPCONF_ERR_REG_ACCESS
* OMAPCONF_ERR_NOT_AVAILABLE
* @param[in] id: valid voltage domain ID
* @DESCRIPTION find the current supply voltage of a domain,
* taking care of the voltage domain state
* (ON/ON_LP/RET/OFF)
* NB: use PRCM VP VOLTAGE register to retrieve ON voltage.
* Hence SR/VP/VC have to be at least initialized
* (SR could be disabled)
*//*------------------------------------------------------------------------ */
double voltdm54xx_voltage_get(voltdm54xx_id id)
{
double volt;
CHECK_CPU(54xx, (double) OMAPCONF_ERR_CPU);
CHECK_ARG_LESS_THAN(id, VDD54XX_ID_MAX, (double) OMAPCONF_ERR_ARG);
switch (id) {
case VDD54XX_WKUP:
return (double) OMAPCONF_ERR_NOT_AVAILABLE;
case VDD54XX_MPU:
volt = smps_voltage_get(PMIC_SMPS_MPU);
break;
case VDD54XX_MM:
volt = smps_voltage_get(PMIC_SMPS_MM);
break;
case VDD54XX_CORE:
volt = smps_voltage_get(PMIC_SMPS_CORE);
break;
default:
return (double) OMAPCONF_ERR_ARG;
}
dprintf("%s(%s): volt=%lfV\n", __func__, voltdm54xx_name_get(id), volt);
return volt;
}
/* ------------------------------------------------------------------------*//**
* @FUNCTION voltdm_am335x_voltage_get
* @BRIEF find the current supply voltage of a domain
* @RETURNS supply voltage in case of success (>= 0.0)
* OMAPCONF_ERR_ARG
* OMAPCONF_ERR_CPU
* OMAPCONF_ERR_REG_ACCESS
* OMAPCONF_ERR_NOT_AVAILABLE
* @param[in] id: valid voltage domain ID
* @DESCRIPTION find the current supply voltage of a domain,
* taking care of the voltage domain state
* (ON/ON_LP/RET/OFF)
* NB: use PRCM VP VOLTAGE register to retrieve ON voltage.
* Hence SR/VP/VC have to be at least initialized
* (SR could be disabled)
*//*------------------------------------------------------------------------ */
double voltdm_am335x_voltage_get(voltdm_am335x_id id)
{
double volt;
CHECK_ARG_LESS_THAN(id, VDD_AM335X_ID_MAX, (double) OMAPCONF_ERR_ARG);
switch (id) {
case VDD_AM335X_CORE:
volt = smps_voltage_get(PMIC_SMPS_CORE);
break;
case VDD_AM335X_MPU:
volt = smps_voltage_get(PMIC_SMPS_MPU);
break;
case VDD_AM335X_RTC:
volt = smps_voltage_get(PMIC_SMPS_ID_MAX);
break;
default:
return (double) OMAPCONF_ERR_ARG;
}
dprintf("%s(%s): volt=%lfV\n", __func__, voltdm_am335x_name_get(id), volt);
return volt;
}
