1 /*
2  * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef __CSS_PM_H__
8 #define __CSS_PM_H__
9 
10 #include <cdefs.h>
11 #include <psci.h>
12 #include <types.h>
13 
14 /* System power domain at level 2, as currently implemented by CSS platforms */
15 #define CSS_SYSTEM_PWR_DMN_LVL		ARM_PWR_LVL2
16 
17 /* Macros to read the CSS power domain state */
18 #define CSS_CORE_PWR_STATE(state)	(state)->pwr_domain_state[ARM_PWR_LVL0]
19 #define CSS_CLUSTER_PWR_STATE(state)	(state)->pwr_domain_state[ARM_PWR_LVL1]
20 #define CSS_SYSTEM_PWR_STATE(state)	\
21 			((PLAT_MAX_PWR_LVL == CSS_SYSTEM_PWR_DMN_LVL) ?\
22 			(state)->pwr_domain_state[CSS_SYSTEM_PWR_DMN_LVL] : 0)
23 
24 int css_pwr_domain_on(u_register_t mpidr);
25 void css_pwr_domain_on_finish(const psci_power_state_t *target_state);
26 void css_pwr_domain_off(const psci_power_state_t *target_state);
27 void css_pwr_domain_suspend(const psci_power_state_t *target_state);
28 void css_pwr_domain_suspend_finish(
29 				const psci_power_state_t *target_state);
30 void __dead2 css_system_off(void);
31 void __dead2 css_system_reset(void);
32 void css_cpu_standby(plat_local_state_t cpu_state);
33 void css_get_sys_suspend_power_state(psci_power_state_t *req_state);
34 int css_node_hw_state(u_register_t mpidr, unsigned int power_level);
35 
36 #endif /* __CSS_PM_H__ */
37