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kernel/linux-rt-4.4.41/drivers/net/wireless/ath/ath9k/ani.h 3.27 KB
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  /*
   * Copyright (c) 2008-2011 Atheros Communications Inc.
   *
   * Permission to use, copy, modify, and/or distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   */
  
  #ifndef ANI_H
  #define ANI_H
  
  #define BEACON_RSSI(ahp) (ahp->stats.avgbrssi)
  
  /* units are errors per second */
  #define ATH9K_ANI_OFDM_TRIG_HIGH           3500
  #define ATH9K_ANI_OFDM_TRIG_HIGH_BELOW_INI 1000
  #define ATH9K_ANI_OFDM_TRIG_HIGH_OLD       500
  
  #define ATH9K_ANI_OFDM_TRIG_LOW           400
  #define ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI 900
  #define ATH9K_ANI_OFDM_TRIG_LOW_OLD       200
  
  #define ATH9K_ANI_CCK_TRIG_HIGH           600
  #define ATH9K_ANI_CCK_TRIG_HIGH_OLD       200
  #define ATH9K_ANI_CCK_TRIG_LOW            300
  #define ATH9K_ANI_CCK_TRIG_LOW_OLD        100
  
  #define ATH9K_ANI_SPUR_IMMUNE_LVL         3
  #define ATH9K_ANI_FIRSTEP_LVL             2
  
  #define ATH9K_ANI_RSSI_THR_HIGH           40
  #define ATH9K_ANI_RSSI_THR_LOW            7
  
  #define ATH9K_ANI_PERIOD                  300
  
  /* in ms */
  #define ATH9K_ANI_POLLINTERVAL            1000
  
  #define ATH9K_SIG_FIRSTEP_SETTING_MIN     0
  #define ATH9K_SIG_FIRSTEP_SETTING_MAX     20
  #define ATH9K_SIG_SPUR_IMM_SETTING_MIN    0
  #define ATH9K_SIG_SPUR_IMM_SETTING_MAX    22
  
  /* values here are relative to the INI */
  
  enum ath9k_ani_cmd {
  	ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION = 0x1,
  	ATH9K_ANI_FIRSTEP_LEVEL = 0x2,
  	ATH9K_ANI_SPUR_IMMUNITY_LEVEL = 0x4,
  	ATH9K_ANI_MRC_CCK = 0x8,
  	ATH9K_ANI_ALL = 0xfff
  };
  
  struct ath9k_mib_stats {
  	u32 ackrcv_bad;
  	u32 rts_bad;
  	u32 rts_good;
  	u32 fcs_bad;
  	u32 beacons;
  };
  
  /* INI default values for ANI registers */
  struct ath9k_ani_default {
  	u16 m1ThreshLow;
  	u16 m2ThreshLow;
  	u16 m1Thresh;
  	u16 m2Thresh;
  	u16 m2CountThr;
  	u16 m2CountThrLow;
  	u16 m1ThreshLowExt;
  	u16 m2ThreshLowExt;
  	u16 m1ThreshExt;
  	u16 m2ThreshExt;
  	u16 firstep;
  	u16 firstepLow;
  	u16 cycpwrThr1;
  	u16 cycpwrThr1Ext;
  };
  
  struct ar5416AniState {
  	u8 noiseImmunityLevel;
  	u8 ofdmNoiseImmunityLevel;
  	u8 cckNoiseImmunityLevel;
  	bool ofdmsTurn;
  	u8 mrcCCK;
  	u8 spurImmunityLevel;
  	u8 firstepLevel;
  	bool ofdmWeakSigDetect;
  	u32 listenTime;
  	u32 ofdmPhyErrCount;
  	u32 cckPhyErrCount;
  	struct ath9k_ani_default iniDef;
  };
  
  struct ar5416Stats {
  	u32 ast_ani_spurup;
  	u32 ast_ani_spurdown;
  	u32 ast_ani_ofdmon;
  	u32 ast_ani_ofdmoff;
  	u32 ast_ani_cckhigh;
  	u32 ast_ani_ccklow;
  	u32 ast_ani_stepup;
  	u32 ast_ani_stepdown;
  	u32 ast_ani_ofdmerrs;
  	u32 ast_ani_cckerrs;
  	u32 ast_ani_reset;
  	u32 ast_ani_lneg_or_lzero;
  	u32 avgbrssi;
  	struct ath9k_mib_stats ast_mibstats;
  };
  #define ah_mibStats stats.ast_mibstats
  
  void ath9k_enable_mib_counters(struct ath_hw *ah);
  void ath9k_hw_disable_mib_counters(struct ath_hw *ah);
  void ath9k_hw_ani_init(struct ath_hw *ah);
  
  #endif /* ANI_H */