1 /* 2 * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * Redistributions of source code must retain the above copyright notice, this 8 * list of conditions and the following disclaimer. 9 * 10 * Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * Neither the name of ARM nor the names of its contributors may be used 15 * to endorse or promote products derived from this software without specific 16 * prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef __CSS_PM_H__ 32 #define __CSS_PM_H__ 33 34 #include <cdefs.h> 35 #include <psci.h> 36 #include <types.h> 37 38 /* System power domain at level 2, as currently implemented by CSS platforms */ 39 #define CSS_SYSTEM_PWR_DMN_LVL ARM_PWR_LVL2 40 41 /* Macros to read the CSS power domain state */ 42 #define CSS_CORE_PWR_STATE(state) (state)->pwr_domain_state[ARM_PWR_LVL0] 43 #define CSS_CLUSTER_PWR_STATE(state) (state)->pwr_domain_state[ARM_PWR_LVL1] 44 #define CSS_SYSTEM_PWR_STATE(state) \ 45 ((PLAT_MAX_PWR_LVL == CSS_SYSTEM_PWR_DMN_LVL) ?\ 46 (state)->pwr_domain_state[CSS_SYSTEM_PWR_DMN_LVL] : 0) 47 48 int css_pwr_domain_on(u_register_t mpidr); 49 void css_pwr_domain_on_finish(const psci_power_state_t *target_state); 50 void css_pwr_domain_off(const psci_power_state_t *target_state); 51 void css_pwr_domain_suspend(const psci_power_state_t *target_state); 52 void css_pwr_domain_suspend_finish( 53 const psci_power_state_t *target_state); 54 void __dead2 css_system_off(void); 55 void __dead2 css_system_reset(void); 56 void css_cpu_standby(plat_local_state_t cpu_state); 57 void css_get_sys_suspend_power_state(psci_power_state_t *req_state); 58 int css_node_hw_state(u_register_t mpidr, unsigned int power_level); 59 60 #endif /* __CSS_PM_H__ */ 61