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This commit enables the Power Manager driver support for the siwx91x device. Signed-off-by: S Mohamed Fiaz <fiaz.mohamed@silabs.com>pull/91543/head
S Mohamed Fiaz
2 months ago
committed by
Dan Kalowsky
8 changed files with 185 additions and 5 deletions
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/*
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* Copyright (c) 2024-2025 Silicon Laboratories Inc. |
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* |
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* SPDX-License-Identifier: Apache-2.0 |
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*/ |
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#include <zephyr/kernel.h> |
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#include <zephyr/logging/log.h> |
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#include <zephyr/pm/pm.h> |
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#include "sl_si91x_power_manager.h" |
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#include "sli_si91x_clock_manager.h" |
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#include "sl_rsi_utility.h" |
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#include "sl_si91x_m4_ps.h" |
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LOG_MODULE_REGISTER(siwx91x_pm); |
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extern uint32_t frontend_switch_control; |
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/*
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* Power state map: |
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* PM_STATE_RUNTIME_IDLE: SL_SI91X_POWER_MANAGER_STANDBY (PS4) |
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* PM_STATE_SUSPEND_TO_IDLE: SL_SI91X_POWER_MANAGER_SLEEP (PS4 Sleep) |
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*/ |
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void pm_state_set(enum pm_state state, uint8_t substate_id) |
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{ |
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ARG_UNUSED(substate_id); |
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/* Set PRIMASK */ |
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__disable_irq(); |
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/* Set BASEPRI to 0. */ |
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irq_unlock(0); |
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if (!sl_si91x_power_manager_is_ok_to_sleep()) { |
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/* Device is not ready to sleep; perform necessary actions if required. */ |
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goto out; |
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} |
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if (state == PM_STATE_RUNTIME_IDLE) { |
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sl_si91x_power_manager_standby(); |
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} else { |
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if (sli_si91x_config_clocks_to_mhz_rc() != 0) { |
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LOG_ERR("Failed to configure clocks for sleep mode"); |
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goto out; |
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} |
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if (IS_ENABLED(CONFIG_WISECONNECT_NETWORK_STACK)) { |
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if (!(M4_ULP_SLP_STATUS_REG & ULP_MODE_SWITCHED_NPSS)) { |
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if (!sl_si91x_is_device_initialized()) { |
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LOG_ERR("Device is not initialized"); |
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goto out; |
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} |
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sli_si91x_xtal_turn_off_request_from_m4_to_TA(); |
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} |
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} |
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sl_si91x_power_manager_sleep(); |
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} |
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if (!(M4_ULP_SLP_STATUS_REG & ULP_MODE_SWITCHED_NPSS)) { |
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if (frontend_switch_control != 0) { |
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sli_si91x_configure_wireless_frontend_controls(frontend_switch_control); |
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} |
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sl_si91x_host_clear_sleep_indicator(); |
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sli_si91x_m4_ta_wakeup_configurations(); |
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} |
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out: |
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/* Clear PRIMASK */ |
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__enable_irq(); |
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} |
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void pm_state_exit_post_ops(enum pm_state state, uint8_t substate_id) |
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{ |
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ARG_UNUSED(state); |
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ARG_UNUSED(substate_id); |
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} |
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