1 /* 2 * Copyright (c) 2024 Nordic Semiconductor ASA 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 #ifndef LD_DVFS_H 7 #define LD_DVFS_H 8 9 #include <dvfs_oppoint.h> 10 #include <nrfs_common.h> 11 12 #ifdef __cplusplus 13 extern "C" { 14 #endif 15 16 /** 17 * @brief Function for initializing the Dynamic Voltage and Frequency Scaling service 18 * from LD perspective.. 19 * 20 */ 21 void ld_dvfs_init(void); 22 23 /** 24 * @brief Function for clearing the zero bias 25 * 26 */ 27 void ld_dvfs_clear_zbb(void); 28 29 /** 30 * @brief Configure ABB registers to transition process. 31 * 32 * @param transient_opp current operation point 33 * @param curr_targ_opp target operation point 34 */ 35 void ld_dvfs_configure_abb_for_transition(enum dvfs_frequency_setting transient_opp, 36 enum dvfs_frequency_setting curr_targ_opp); 37 38 /** 39 * @brief Configure hsfll depending on selected oppoint 40 * 41 * @param enum oppoint target operation point 42 * @return 0 value indicates no error. 43 * @return -EINVAL invalid oppoint or domain. 44 * @return -ETIMEDOUT frequency change took more than HSFLL_FREQ_CHANGE_MAX_DELAY_MS 45 */ 46 int32_t ld_dvfs_configure_hsfll(enum dvfs_frequency_setting oppoint); 47 48 /** 49 * @brief Background process during scaling. 50 * 51 * @param downscaling indicates if down-scaling is running 52 */ 53 void ld_dvfs_scaling_background_process(bool downscaling); 54 55 /** 56 * @brief Last step for local domain in downscale procedure 57 * 58 * @param downscaling indicates if down-scaling is running 59 */ 60 void ld_dvfs_scaling_finish(bool downscaling); 61 62 #ifdef __cplusplus 63 } 64 #endif 65 66 #endif /* LD_DVFS_H */ 67
