drivers/net/wireless/ath/ath9k/ani.h

   1 /*
   2  * Copyright (c) 2008-2009 Atheros Communications Inc.
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #ifndef ANI_H
  18 #define ANI_H
  19
  20 #define HAL_PROCESS_ANI           0x00000001
  21
  22 #define DO_ANI(ah) (((ah)->proc_phyerr & HAL_PROCESS_ANI))
  23
  24 #define BEACON_RSSI(ahp) (ahp->stats.avgbrssi)
  25
  26 #define ATH9K_ANI_OFDM_TRIG_HIGH          500
  27 #define ATH9K_ANI_OFDM_TRIG_LOW           200
  28 #define ATH9K_ANI_CCK_TRIG_HIGH           200
  29 #define ATH9K_ANI_CCK_TRIG_LOW            100
  30 #define ATH9K_ANI_NOISE_IMMUNE_LVL        4
  31 #define ATH9K_ANI_USE_OFDM_WEAK_SIG       true
  32 #define ATH9K_ANI_CCK_WEAK_SIG_THR        false
  33 #define ATH9K_ANI_SPUR_IMMUNE_LVL         7
  34 #define ATH9K_ANI_FIRSTEP_LVL             0
  35 #define ATH9K_ANI_RSSI_THR_HIGH           40
  36 #define ATH9K_ANI_RSSI_THR_LOW            7
  37 #define ATH9K_ANI_PERIOD                  100
  38
  39 #define HAL_NOISE_IMMUNE_MAX              4
  40 #define HAL_SPUR_IMMUNE_MAX               7
  41 #define HAL_FIRST_STEP_MAX                2
  42
  43 enum ath9k_ani_cmd {
  44         ATH9K_ANI_PRESENT = 0x1,
  45         ATH9K_ANI_NOISE_IMMUNITY_LEVEL = 0x2,
  46         ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION = 0x4,
  47         ATH9K_ANI_CCK_WEAK_SIGNAL_THR = 0x8,
  48         ATH9K_ANI_FIRSTEP_LEVEL = 0x10,
  49         ATH9K_ANI_SPUR_IMMUNITY_LEVEL = 0x20,
  50         ATH9K_ANI_MODE = 0x40,
  51         ATH9K_ANI_PHYERR_RESET = 0x80,
  52         ATH9K_ANI_ALL = 0xff
  53 };
  54
  55 struct ath9k_mib_stats {
  56         u32 ackrcv_bad;
  57         u32 rts_bad;
  58         u32 rts_good;
  59         u32 fcs_bad;
  60         u32 beacons;
  61 };
  62
  63 struct ar5416AniState {
  64         struct ath9k_channel *c;
  65         u8 noiseImmunityLevel;
  66         u8 spurImmunityLevel;
  67         u8 firstepLevel;
  68         u8 ofdmWeakSigDetectOff;
  69         u8 cckWeakSigThreshold;
  70         u32 listenTime;
  71         u32 ofdmTrigHigh;
  72         u32 ofdmTrigLow;
  73         int32_t cckTrigHigh;
  74         int32_t cckTrigLow;
  75         int32_t rssiThrLow;
  76         int32_t rssiThrHigh;
  77         u32 noiseFloor;
  78         u32 txFrameCount;
  79         u32 rxFrameCount;
  80         u32 cycleCount;
  81         u32 ofdmPhyErrCount;
  82         u32 cckPhyErrCount;
  83         u32 ofdmPhyErrBase;
  84         u32 cckPhyErrBase;
  85         int16_t pktRssi[2];
  86         int16_t ofdmErrRssi[2];
  87         int16_t cckErrRssi[2];
  88 };
  89
  90 struct ar5416Stats {
  91         u32 ast_ani_niup;
  92         u32 ast_ani_nidown;
  93         u32 ast_ani_spurup;
  94         u32 ast_ani_spurdown;
  95         u32 ast_ani_ofdmon;
  96         u32 ast_ani_ofdmoff;
  97         u32 ast_ani_cckhigh;
  98         u32 ast_ani_ccklow;
  99         u32 ast_ani_stepup;
 100         u32 ast_ani_stepdown;
 101         u32 ast_ani_ofdmerrs;
 102         u32 ast_ani_cckerrs;
 103         u32 ast_ani_reset;
 104         u32 ast_ani_lzero;
 105         u32 ast_ani_lneg;
 106         u32 avgbrssi;
 107         struct ath9k_mib_stats ast_mibstats;
 108 };
 109 #define ah_mibStats stats.ast_mibstats
 110
 111 void ath9k_ani_reset(struct ath_hw *ah);
 112 void ath9k_hw_ani_monitor(struct ath_hw *ah,
 113                           struct ath9k_channel *chan);
 114 void ath9k_enable_mib_counters(struct ath_hw *ah);
 115 void ath9k_hw_disable_mib_counters(struct ath_hw *ah);
 116 u32 ath9k_hw_GetMibCycleCountsPct(struct ath_hw *ah, u32 *rxc_pcnt,
 117                                   u32 *rxf_pcnt, u32 *txf_pcnt);
 118 void ath9k_hw_procmibevent(struct ath_hw *ah);
 119 void ath9k_hw_ani_setup(struct ath_hw *ah);
 120 void ath9k_hw_ani_init(struct ath_hw *ah);
 121 void ath9k_hw_ani_disable(struct ath_hw *ah);
 122
 123 #endif /* ANI_H */