mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-23 02:54:32 +08:00
129 lines
4.5 KiB
C
129 lines
4.5 KiB
C
/******************************************************************************
|
|
*
|
|
* Copyright(c) 2007 - 2014 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.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of version 2 of the GNU General Public License as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with
|
|
* this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
|
|
*
|
|
* The full GNU General Public License is included in this distribution in the
|
|
* file called LICENSE.
|
|
*
|
|
* Contact Information:
|
|
* Intel Linux Wireless <ilw@linux.intel.com>
|
|
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
|
|
*****************************************************************************/
|
|
#ifndef __iwl_tt_setting_h__
|
|
#define __iwl_tt_setting_h__
|
|
|
|
#include "commands.h"
|
|
|
|
#define IWL_ABSOLUTE_ZERO 0
|
|
#define IWL_ABSOLUTE_MAX 0xFFFFFFFF
|
|
#define IWL_TT_INCREASE_MARGIN 5
|
|
#define IWL_TT_CT_KILL_MARGIN 3
|
|
|
|
enum iwl_antenna_ok {
|
|
IWL_ANT_OK_NONE,
|
|
IWL_ANT_OK_SINGLE,
|
|
IWL_ANT_OK_MULTI,
|
|
};
|
|
|
|
/* 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
|
|
* @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 {
|
|
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_mgnt - 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_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
|
|
* @ct_kill_toggle: used to toggle the CSR bit when checking uCode temperature
|
|
* @ct_kill_exit_tm: timer to exit 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);
|
|
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__ */
|