/* ------------------------------------------------------------------------*//**
* @FUNCTION pwrdm54xx_state_get
* @BRIEF extract power domain state from register
* @RETURNS power domain state on success
* PWRDM_STATE_MAX in case of error
* @param[in] id: valid power domain ID
* @param[in] type: valid power domain state type
* @DESCRIPTION extract power domain state from register
*//*------------------------------------------------------------------------ */
pwrdm_state pwrdm54xx_state_get(pwrdm54xx_id id, pwrdm_state_type type)
{
reg *pm_pwrst;
CHECK_CPU(54xx, PWRDM_STATE_MAX);
CHECK_ARG_LESS_THAN(id, PWRDM54XX_ID_MAX, PWRDM_STATE_MAX);
/* Retrieve registers address */
if (type == PWRDM_STATE_TARGET)
pm_pwrst = pwrdm54xx_pwrstctrl_table[id];
else
pm_pwrst = pwrdm54xx_pwrstst_table[id];
if (pm_pwrst == NULL) {
/* Always ON domain */
dprintf("%s(%s): Always ON domain\n", __func__,
pwrdm54xx_name_get(id));
return PWRDM_ON_STATE;
}
/* Retrieve power domain state */
return pwrdm_state_get(pm_pwrst, type);
}
/* ------------------------------------------------------------------------*//**
* @FUNCTION powerdm_state_get
* @BRIEF return the previous/current/target state of
* a given power domain
* @RETURNS domain previous/current/target state on success
* PWRDM_STATE_MAX in case of error
* @param[in] powerdm: power domain name
* @param[in] type: power domain state type
* @DESCRIPTION return the previous/current/target state of
* a given power domain
*//*------------------------------------------------------------------------ */
pwrdm_state powerdm_state_get(const char *powerdm, pwrdm_state_type type)
{
reg *pm_reg;
pwrdm_state state;
CHECK_NULL_ARG(powerdm, PWRDM_STATE_MAX);
CHECK_ARG_LESS_THAN(type, PWRDM_STATE_TYPE_MAX, PWRDM_STATE_MAX);
/* Retrieve registers address */
switch (type) {
case PWRDM_STATE_TARGET:
pm_reg = powerdm_pwrstctrl_reg_get(powerdm);
break;
case PWRDM_STATE_CURRENT:
case PWRDM_STATE_PREVIOUS:
pm_reg = powerdm_pwrstst_reg_get(powerdm);
break;
default:
fprintf(stderr,
"omapconf: %s(%s): invalid type (%d)!\n",
__func__, powerdm, type);
return PWRDM_STATE_MAX;
}
if (pm_reg == NULL) {
/* Always ON domain */
dprintf("%s(%s): Always ON domain\n", __func__, powerdm);
return PWRDM_ON_STATE;
}
/* Retrieve power domain state */
state = pwrdm_state_get(pm_reg, type);
dprintf("%s(%s, %s) = %s\n", __func__, powerdm,
pwrdm_state_type_name_get(type),
pwrdm_state_name_get(state));
return state;
}
