include/plat/arm/css/common/css_pm.h

   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 <stdint.h>
  12
  13 #include <lib/psci/psci.h>
  14
  15 /* Macros to read the CSS power domain state */
  16 #define CSS_CORE_PWR_STATE(state)       (state)->pwr_domain_state[ARM_PWR_LVL0]
  17 #define CSS_CLUSTER_PWR_STATE(state)    (state)->pwr_domain_state[ARM_PWR_LVL1]
  18
  19 static inline unsigned int css_system_pwr_state(const psci_power_state_t *state)
  20 {
  21 #if (PLAT_MAX_PWR_LVL == CSS_SYSTEM_PWR_DMN_LVL)
  22         return state->pwr_domain_state[CSS_SYSTEM_PWR_DMN_LVL];
  23 #else
  24         return 0;
  25 #endif
  26 }
  27
  28 int css_pwr_domain_on(u_register_t mpidr);
  29 void css_pwr_domain_on_finish(const psci_power_state_t *target_state);
  30 void css_pwr_domain_on_finish_late(const psci_power_state_t *target_state);
  31 void css_pwr_domain_off(const psci_power_state_t *target_state);
  32 void css_pwr_domain_suspend(const psci_power_state_t *target_state);
  33 void css_pwr_domain_suspend_finish(
  34                                 const psci_power_state_t *target_state);
  35 void __dead2 css_system_off(void);
  36 void __dead2 css_system_reset(void);
  37 void css_cpu_standby(plat_local_state_t cpu_state);
  38 void css_get_sys_suspend_power_state(psci_power_state_t *req_state);
  39 int css_node_hw_state(u_register_t mpidr, unsigned int power_level);
  40
  41 /*
  42  * This mapping array has to be exported by the platform. Each element at
  43  * a given index maps that core to an SCMI power domain.
  44  */
  45 extern const uint32_t plat_css_core_pos_to_scmi_dmn_id_map[];
  46
  47 #endif /* CSS_PM_H */