drivers/net/wireless/intel/iwlwifi/dvm/tt.h

Source file repositories/reference/linux-study-clean/drivers/net/wireless/intel/iwlwifi/dvm/tt.h

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/intel/iwlwifi/dvm/tt.h
Extension
.h
Size
3751 bytes
Lines
110
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct iwl_tt_restriction {
	enum iwl_antenna_ok tx_stream;
	enum iwl_antenna_ok rx_stream;
	bool is_ht;
};

/**
 * 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 {
	enum iwl_tt_state next_state;
	u32 tt_low;
	u32 tt_high;
};

/**
 * 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 {
	enum iwl_tt_state state;
	bool advanced_tt;
	u8 tt_power_mode;
	bool ct_kill_toggle;
#ifdef CONFIG_IWLWIFI_DEBUG
	s32 tt_previous_temp;
#endif
	struct iwl_tt_restriction *restriction;
	struct iwl_tt_trans *transaction;
	struct timer_list ct_kill_exit_tm;
	struct timer_list ct_kill_waiting_tm;
};

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);
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__ */

Annotation

Implementation Notes