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linux/drivers/net/wireless/iwlwifi/iwl-power.h
Winkler, Tomas d25aabb0a1 iwlwifi: unify iwlagn and 3945 power save management
This patch unifies 3945 and iwlagn power save management
This patch also better separates system state from user setting.
System state shall be removed later as this shall be shifted to user space

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Acked-by: Mohamed Abbas <mohamed.abbas@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-02-09 15:03:34 -05:00

96 lines
3.3 KiB
C

/******************************************************************************
*
* Copyright(c) 2007 - 2009 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_power_setting_h__
#define __iwl_power_setting_h__
#include <net/mac80211.h>
#include "iwl-commands.h"
struct iwl_priv;
enum {
IWL_POWER_MODE_CAM, /* Continuously Aware Mode, always on */
IWL_POWER_INDEX_1,
IWL_POWER_INDEX_2,
IWL_POWER_INDEX_3,
IWL_POWER_INDEX_4,
IWL_POWER_INDEX_5,
IWL_POWER_AUTO,
IWL_POWER_MAX = IWL_POWER_AUTO,
};
enum {
IWL_POWER_SYS_AUTO,
IWL_POWER_SYS_AC,
IWL_POWER_SYS_BATTERY,
IWL_POWER_SYS_MAX,
};
/* Power management (not Tx power) structures */
#define NOSLP __constant_cpu_to_le16(0), 0, 0
#define SLP IWL_POWER_DRIVER_ALLOW_SLEEP_MSK, 0, 0
#define SLP_TOUT(T) __constant_cpu_to_le32((T) * MSEC_TO_USEC)
#define SLP_VEC(X0, X1, X2, X3, X4) {__constant_cpu_to_le32(X0), \
__constant_cpu_to_le32(X1), \
__constant_cpu_to_le32(X2), \
__constant_cpu_to_le32(X3), \
__constant_cpu_to_le32(X4)}
struct iwl_power_vec_entry {
struct iwl_powertable_cmd cmd;
u8 no_dtim;
};
struct iwl_power_mgr {
spinlock_t lock;
struct iwl_power_vec_entry pwr_range_0[IWL_POWER_MAX];
struct iwl_power_vec_entry pwr_range_1[IWL_POWER_MAX];
struct iwl_power_vec_entry pwr_range_2[IWL_POWER_MAX];
u32 dtim_period;
/* final power level that used to calculate final power command */
u8 power_mode;
u8 user_power_setting; /* set by user through mac80211 or sysfs */
u8 system_power_setting; /* set by kernel system tools */
u8 critical_power_setting; /* set if driver over heated */
u8 is_battery_active; /* DC/AC power */
u8 power_disabled; /* flag to disable using power saving level */
};
void iwl_setup_power_deferred_work(struct iwl_priv *priv);
void iwl_power_cancel_timeout(struct iwl_priv *priv);
int iwl_power_update_mode(struct iwl_priv *priv, bool force);
int iwl_power_disable_management(struct iwl_priv *priv, u32 ms);
int iwl_power_enable_management(struct iwl_priv *priv);
int iwl_power_set_user_mode(struct iwl_priv *priv, u16 mode);
int iwl_power_set_system_mode(struct iwl_priv *priv, u16 mode);
void iwl_power_initialize(struct iwl_priv *priv);
int iwl_power_temperature_change(struct iwl_priv *priv);
#endif /* __iwl_power_setting_h__ */