diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-power.h')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-power.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-power.h b/drivers/net/wireless/iwlwifi/iwl-power.h index 37ba3bb7a25a..3d49b7a45b74 100644 --- a/drivers/net/wireless/iwlwifi/iwl-power.h +++ b/drivers/net/wireless/iwlwifi/iwl-power.h @@ -33,6 +33,84 @@ struct iwl_priv; +#define IWL_ABSOLUTE_ZERO 0 +#define IWL_ABSOLUTE_MAX 0xFFFFFFFF +#define IWL_TT_INCREASE_MARGIN 5 + +/* Tx/Rx restrictions */ +#define IWL_TX_MULTI 0x02 +#define IWL_TX_SINGLE 0x01 +#define IWL_TX_NONE 0x00 +#define IWL_RX_MULTI 0x02 +#define IWL_RX_SINGLE 0x01 +#define IWL_RX_NONE 0x00 + +/* Thermal Throttling State Machine states */ +enum iwl_tt_state { + IWL_TI_0, /* normal temperature, system power state */ + IWL_TI_1, /* high temperature detect, low power state */ + IWL_TI_2, /* higher temperature detected, lower power state */ + IWL_TI_CT_KILL, /* critical temperature detected, lowest power state */ + IWL_TI_STATE_MAX +}; + +/** + * struct iwl_tt_restriction - Thermal Throttling restriction table used + * by advance thermal throttling management + * based on the current thermal throttling state, determine + * number of tx/rx streams; and the status of HT operation + * @tx_stream: number of tx stream allowed + * @is_ht: ht enable/disable + * @rx_stream: number of rx stream allowed + */ +struct iwl_tt_restriction { + u8 tx_stream; + bool is_ht; + u8 rx_stream; +}; + +/** + * struct iwl_tt_trans - Thermal Throttling transaction table; used by + * advance thermal throttling algorithm to determine next + * thermal state to go based on the current temperature + * @next_state: next thermal throttling mode + * @tt_low: low temperature threshold to change state + * @tt_high: high temperature threshold to change state + */ +struct iwl_tt_trans { + enum iwl_tt_state next_state; + u32 tt_low; + u32 tt_high; +}; + +/** + * struct iwl_tt_mgnt - Thermal Throttling Management structure + * @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 + * @sys_power_mode: previous system power mode + * before transition into TT state + * @tt_previous_temperature: last measured temperature + * @iwl_tt_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 + * @iwl_tt_trans: ptr to adv trans table, used by advance thermal throttling + * state transaction + */ +struct iwl_tt_mgmt { + enum iwl_tt_state state; + u8 tt_power_mode; + u8 sys_power_mode; +#ifdef CONFIG_IWLWIFI_DEBUG + s32 tt_previous_temp; +#endif + struct iwl_tt_restriction *restriction; + struct iwl_tt_trans *transaction; +}; + enum { IWL_POWER_MODE_CAM, /* Continuously Aware Mode, always on */ IWL_POWER_INDEX_1, @@ -59,10 +137,25 @@ struct iwl_power_mgr { u8 power_mode; u8 user_power_setting; /* set by user through sysfs */ u8 power_disabled; /* set by mac80211's CONF_PS */ + struct iwl_tt_mgmt tt; /* Thermal Throttling Management */ + bool adv_tt; /* false: legacy mode */ + /* true: advance mode */ + bool ct_kill_toggle; /* use to toggle the CSR bit when + * checking uCode temperature + */ + struct timer_list ct_kill_exit_tm; }; int iwl_power_update_mode(struct iwl_priv *priv, bool force); int iwl_power_set_user_mode(struct iwl_priv *priv, u16 mode); +bool iwl_ht_enabled(struct iwl_priv *priv); +u8 iwl_tx_ant_restriction(struct iwl_priv *priv); +u8 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); void iwl_power_initialize(struct iwl_priv *priv); #endif /* __iwl_power_setting_h__ */ |