/* SPDX-License-Identifier: GPL-2.0-only */ /****************************************************************************** * * Copyright(c) 2007 - 2014, 2023-2024 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. *****************************************************************************/ #ifndef __iwl_tt_setting_h__ #define __iwl_tt_setting_h__ #include "commands.h" #define IWL_ABSOLUTE_ZERO … #define IWL_ABSOLUTE_MAX … #define IWL_TT_INCREASE_MARGIN … #define IWL_TT_CT_KILL_MARGIN … enum iwl_antenna_ok { … }; /* Thermal Throttling State Machine states */ enum iwl_tt_state { … }; /** * struct iwl_tt_restriction - Thermal Throttling restriction table * @tx_stream: number of tx stream allowed * @is_ht: ht enable/disable * @rx_stream: number of rx stream allowed * * This table is used by advance thermal throttling management * based on the current thermal throttling state, and determines * the number of tx/rx streams and the status of HT operation. */ struct iwl_tt_restriction { … }; /** * struct iwl_tt_trans - Thermal Throttling transaction table * @next_state: next thermal throttling mode * @tt_low: low temperature threshold to change state * @tt_high: high temperature threshold to change state * * This is used by the advanced thermal throttling algorithm * to determine the next thermal state to go based on the * current temperature. */ struct iwl_tt_trans { … }; /** * struct iwl_tt_mgmt - Thermal Throttling Management structure * @advanced_tt: advanced thermal throttle required * @state: current Thermal Throttling state * @tt_power_mode: Thermal Throttling power mode index * being used to set power level when * when thermal throttling state != IWL_TI_0 * the tt_power_mode should set to different * power mode based on the current tt state * @tt_previous_temp: last measured temperature * @restriction: ptr to restriction tbl, used by advance * thermal throttling to determine how many tx/rx streams * should be used in tt state; and can HT be enabled or not * @transaction: ptr to adv trans table, used by advance thermal throttling * state transaction * @ct_kill_toggle: used to toggle the CSR bit when checking uCode temperature * @ct_kill_exit_tm: timer to exit thermal kill * @ct_kill_waiting_tm: timer to enter thermal kill */ struct iwl_tt_mgmt { … }; u8 iwl_tt_current_power_mode(struct iwl_priv *priv); bool iwl_tt_is_low_power_state(struct iwl_priv *priv); bool iwl_ht_enabled(struct iwl_priv *priv); enum iwl_antenna_ok iwl_tx_ant_restriction(struct iwl_priv *priv); enum iwl_antenna_ok iwl_rx_ant_restriction(struct iwl_priv *priv); void iwl_tt_enter_ct_kill(struct iwl_priv *priv); void iwl_tt_exit_ct_kill(struct iwl_priv *priv); void iwl_tt_handler(struct iwl_priv *priv); void iwl_tt_initialize(struct iwl_priv *priv); void iwl_tt_exit(struct iwl_priv *priv); #endif /* __iwl_tt_setting_h__ */
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