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/* Copyright 2022 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <ap_power/ap_power_interface.h>
#include <x86_non_dsx_common_pwrseq_sm_handler.h>
LOG_MODULE_DECLARE(ap_pwrseq, CONFIG_AP_PWRSEQ_LOG_LEVEL);
bool ap_power_in_state(enum ap_power_state_mask state_mask)
{
int need_mask = 0;
switch (pwr_sm_get_state()) {
case SYS_POWER_STATE_UNINIT:
LOG_WRN("%s: init not yet complete; AP state is unknown",
__func__);
return false;
case SYS_POWER_STATE_G3:
need_mask = AP_POWER_STATE_HARD_OFF;
break;
case SYS_POWER_STATE_G3S5:
case SYS_POWER_STATE_S5G3:
/*
* In between hard and soft off states. Match only if caller
* will accept both.
*/
need_mask = AP_POWER_STATE_HARD_OFF | AP_POWER_STATE_SOFT_OFF;
break;
case SYS_POWER_STATE_S5:
need_mask = AP_POWER_STATE_SOFT_OFF;
break;
case SYS_POWER_STATE_S5S4:
case SYS_POWER_STATE_S4S5:
need_mask = AP_POWER_STATE_SOFT_OFF | AP_POWER_STATE_SUSPEND;
break;
case SYS_POWER_STATE_S4:
case SYS_POWER_STATE_S4S3:
case SYS_POWER_STATE_S3S4:
case SYS_POWER_STATE_S3:
need_mask = AP_POWER_STATE_SUSPEND;
break;
case SYS_POWER_STATE_S3S0:
case SYS_POWER_STATE_S0S3:
need_mask = AP_POWER_STATE_SUSPEND | AP_POWER_STATE_ON;
break;
case SYS_POWER_STATE_S0:
need_mask = AP_POWER_STATE_ON;
break;
#if CONFIG_AP_PWRSEQ_S0IX
case SYS_POWER_STATE_S0ixS0:
case SYS_POWER_STATE_S0S0ix:
need_mask = AP_POWER_STATE_ON | AP_POWER_STATE_STANDBY;
break;
case SYS_POWER_STATE_S0ix:
need_mask = AP_POWER_STATE_STANDBY;
break;
#endif
}
/* Return non-zero if all needed bits are present */
return (state_mask & need_mask) == need_mask;
}
bool ap_power_in_or_transitioning_to_state(enum ap_power_state_mask state_mask)
{
switch (pwr_sm_get_state()) {
case SYS_POWER_STATE_UNINIT:
LOG_WRN("%s: init not yet complete; AP state is unknown",
__func__);
return 0;
case SYS_POWER_STATE_G3:
case SYS_POWER_STATE_S5G3:
return state_mask & AP_POWER_STATE_HARD_OFF;
case SYS_POWER_STATE_S5:
case SYS_POWER_STATE_G3S5:
case SYS_POWER_STATE_S4S5:
return state_mask & AP_POWER_STATE_SOFT_OFF;
case SYS_POWER_STATE_S3:
case SYS_POWER_STATE_S4:
case SYS_POWER_STATE_S3S4:
case SYS_POWER_STATE_S5S4:
case SYS_POWER_STATE_S4S3:
case SYS_POWER_STATE_S0S3:
return state_mask & AP_POWER_STATE_SUSPEND;
#if CONFIG_AP_PWRSEQ_S0IX
case SYS_POWER_STATE_S0ix:
case SYS_POWER_STATE_S0S0ix:
return state_mask & AP_POWER_STATE_STANDBY;
#endif
case SYS_POWER_STATE_S0:
case SYS_POWER_STATE_S3S0:
#if CONFIG_AP_PWRSEQ_S0IX
case SYS_POWER_STATE_S0ixS0:
#endif
return state_mask & AP_POWER_STATE_ON;
}
/* Unknown power state; return false. */
return 0;
}
void ap_power_exit_hardoff(void)
{
enum power_states_ndsx power_state;
/*
* If not in the soft-off state, hard-off state, or headed there,
* nothing to do.
*/
power_state = pwr_sm_get_state();
if (power_state != SYS_POWER_STATE_G3 &&
power_state != SYS_POWER_STATE_S5G3 &&
power_state != SYS_POWER_STATE_S5)
return;
request_start_from_g3();
}
void ap_power_init_reset_log(void)
{
}
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