1 /******************************************************************************
3 * Copyright(c) 2007 - 2009 Intel Corporation. All rights reserved.
5 * Portions of this file are derived from the ipw3945 project, as well
6 * as portions of the ieee80211 subsystem header files.
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of version 2 of the GNU General Public License as
10 * published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
17 * You should have received a copy of the GNU General Public License along with
18 * this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
21 * The full GNU General Public License is included in this distribution in the
22 * file called LICENSE.
24 * Contact Information:
25 * Intel Linux Wireless <ilw@linux.intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *****************************************************************************/
28 #ifndef __iwl_power_setting_h__
29 #define __iwl_power_setting_h__
31 #include <net/mac80211.h>
32 #include "iwl-commands.h"
36 #define IWL_TT_INCREASE_MARGIN 5
38 /* Thermal Throttling State Machine states */
40 IWL_TI_0, /* normal temperature, system power state */
41 IWL_TI_1, /* high temperature detect, low power state */
42 IWL_TI_2, /* higher temperature detected, lower power state */
43 IWL_TI_CT_KILL, /* critical temperature detected, lowest power state */
48 * struct iwl_tt_mgnt - Thermal Throttling Management structure
49 * @state: current Thermal Throttling state
50 * @tt_power_mode: Thermal Throttling power mode index
51 * being used to set power level when
52 * when thermal throttling state != IWL_TI_0
53 * the tt_power_mode should set to different
54 * power mode based on the current tt state
55 * @sys_power_mode: previous system power mode
56 * before transition into TT state
57 * @tt_previous_temperature: last measured temperature
60 enum iwl_tt_state state;
63 #ifdef CONFIG_IWLWIFI_DEBUG
69 IWL_POWER_MODE_CAM, /* Continuously Aware Mode, always on */
78 /* Power management (not Tx power) structures */
80 struct iwl_power_vec_entry {
81 struct iwl_powertable_cmd cmd;
85 struct iwl_power_mgr {
86 struct iwl_power_vec_entry pwr_range_0[IWL_POWER_NUM];
87 struct iwl_power_vec_entry pwr_range_1[IWL_POWER_NUM];
88 struct iwl_power_vec_entry pwr_range_2[IWL_POWER_NUM];
90 /* final power level that used to calculate final power command */
92 u8 user_power_setting; /* set by user through sysfs */
93 u8 power_disabled; /* set by mac80211's CONF_PS */
94 struct iwl_tt_mgmt tt; /* Thermal Throttling Management */
95 bool ct_kill_toggle; /* use to toggle the CSR bit when
96 * checking uCode temperature
98 struct timer_list ct_kill_exit_tm;
101 int iwl_power_update_mode(struct iwl_priv *priv, bool force);
102 int iwl_power_set_user_mode(struct iwl_priv *priv, u16 mode);
103 void iwl_tt_enter_ct_kill(struct iwl_priv *priv);
104 void iwl_tt_exit_ct_kill(struct iwl_priv *priv);
105 void iwl_tt_handler(struct iwl_priv *priv);
106 void iwl_tt_initialize(struct iwl_priv *priv);
107 void iwl_tt_exit(struct iwl_priv *priv);
108 void iwl_power_initialize(struct iwl_priv *priv);
110 #endif /* __iwl_power_setting_h__ */