iwlwifi: Add power level support

Add power level support

Signed-off-by: Mohamed Abbas <mabbas@linux.intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 76 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-power.h b/drivers/net/wireless/iwlwifi/iwl-power.h
new file mode 100644
index 000000000000..aad2784ca2ea
--- /dev/null
+++ b/drivers/net/wireless/iwlwifi/iwl-power.h
@@ -0,0 +1,76 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2007 - 2008 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:
+ * James P. Ketrenos <ipw2100-admin@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-4965-commands.h"
+
+struct iwl_priv;
+
+#define IWL_POWER_MODE_CAM      0x00    /* Continuously Aware Mode, always on */
+#define IWL_POWER_INDEX_3       0x03
+#define IWL_POWER_INDEX_5       0x05
+#define IWL_POWER_AC            0x06
+#define IWL_POWER_BATTERY       0x07
+#define IWL_POWER_AUTO          0x08
+#define IWL_POWER_LIMIT         0x08
+#define IWL_POWER_MASK          0x0F
+#define IWL_POWER_ENABLED       0x10
+
+/* Power management (not Tx power) structures */
+
+struct iwl_power_vec_entry {
+        struct iwl4965_powertable_cmd cmd;
+        u8 no_dtim;
+};
+
+struct iwl_power_mgr {
+        spinlock_t lock;
+        struct iwl_power_vec_entry pwr_range_0[IWL_POWER_AC];
+        struct iwl_power_vec_entry pwr_range_1[IWL_POWER_AC];
+        struct iwl_power_vec_entry pwr_range_2[IWL_POWER_AC];
+        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 syatem 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 */
+};
+
+int iwl_power_update_mode(struct iwl_priv *priv, u8 refresh);
+int iwl_power_disable_management(struct iwl_priv *priv);
+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__ */