1 /* 2 * Copyright (c) 2015-2018, 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 <stdint.h> 13 14 /* Macros to read the CSS power domain state */ 15 #define CSS_CORE_PWR_STATE(state) (state)->pwr_domain_state[ARM_PWR_LVL0] 16 #define CSS_CLUSTER_PWR_STATE(state) (state)->pwr_domain_state[ARM_PWR_LVL1] 17 18 static inline unsigned int css_system_pwr_state(const psci_power_state_t *state) 19 { 20 #if (PLAT_MAX_PWR_LVL == CSS_SYSTEM_PWR_DMN_LVL) 21 return state->pwr_domain_state[CSS_SYSTEM_PWR_DMN_LVL]; 22 #else 23 return 0; 24 #endif 25 } 26 27 int css_pwr_domain_on(u_register_t mpidr); 28 void css_pwr_domain_on_finish(const psci_power_state_t *target_state); 29 void css_pwr_domain_off(const psci_power_state_t *target_state); 30 void css_pwr_domain_suspend(const psci_power_state_t *target_state); 31 void css_pwr_domain_suspend_finish( 32 const psci_power_state_t *target_state); 33 void __dead2 css_system_off(void); 34 void __dead2 css_system_reset(void); 35 void css_cpu_standby(plat_local_state_t cpu_state); 36 void css_get_sys_suspend_power_state(psci_power_state_t *req_state); 37 int css_node_hw_state(u_register_t mpidr, unsigned int power_level); 38 39 /* 40 * This mapping array has to be exported by the platform. Each element at 41 * a given index maps that core to an SCMI power domain. 42 */ 43 extern const uint32_t plat_css_core_pos_to_scmi_dmn_id_map[]; 44 45 #endif /* CSS_PM_H */ 46