1 /* 2 * Copyright (c) 2008-2011 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 BEACON_RSSI(ahp) (ahp->stats.avgbrssi) 21 22 /* units are errors per second */ 23 #define ATH9K_ANI_OFDM_TRIG_HIGH 3500 24 #define ATH9K_ANI_OFDM_TRIG_HIGH_BELOW_INI 1000 25 26 #define ATH9K_ANI_OFDM_TRIG_LOW 400 27 #define ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI 900 28 29 #define ATH9K_ANI_CCK_TRIG_HIGH 600 30 #define ATH9K_ANI_CCK_TRIG_LOW 300 31 32 #define ATH9K_ANI_SPUR_IMMUNE_LVL 3 33 #define ATH9K_ANI_FIRSTEP_LVL 2 34 35 #define ATH9K_ANI_RSSI_THR_HIGH 40 36 #define ATH9K_ANI_RSSI_THR_LOW 7 37 38 #define ATH9K_ANI_PERIOD 300 39 40 /* in ms */ 41 #define ATH9K_ANI_POLLINTERVAL 1000 42 43 #define ATH9K_SIG_FIRSTEP_SETTING_MIN 0 44 #define ATH9K_SIG_FIRSTEP_SETTING_MAX 20 45 #define ATH9K_SIG_SPUR_IMM_SETTING_MIN 0 46 #define ATH9K_SIG_SPUR_IMM_SETTING_MAX 22 47 48 /* values here are relative to the INI */ 49 50 enum ath9k_ani_cmd { 51 ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION = 0x1, 52 ATH9K_ANI_FIRSTEP_LEVEL = 0x2, 53 ATH9K_ANI_SPUR_IMMUNITY_LEVEL = 0x4, 54 ATH9K_ANI_MRC_CCK = 0x8, 55 ATH9K_ANI_ALL = 0xfff 56 }; 57 58 struct ath9k_mib_stats { 59 u32 ackrcv_bad; 60 u32 rts_bad; 61 u32 rts_good; 62 u32 fcs_bad; 63 u32 beacons; 64 }; 65 66 /* INI default values for ANI registers */ 67 struct ath9k_ani_default { 68 u16 m1ThreshLow; 69 u16 m2ThreshLow; 70 u16 m1Thresh; 71 u16 m2Thresh; 72 u16 m2CountThr; 73 u16 m2CountThrLow; 74 u16 m1ThreshLowExt; 75 u16 m2ThreshLowExt; 76 u16 m1ThreshExt; 77 u16 m2ThreshExt; 78 u16 firstep; 79 u16 firstepLow; 80 u16 cycpwrThr1; 81 u16 cycpwrThr1Ext; 82 }; 83 84 struct ar5416AniState { 85 u8 noiseImmunityLevel; 86 u8 ofdmNoiseImmunityLevel; 87 u8 cckNoiseImmunityLevel; 88 bool ofdmsTurn; 89 u8 mrcCCK; 90 u8 spurImmunityLevel; 91 u8 firstepLevel; 92 bool ofdmWeakSigDetect; 93 u32 listenTime; 94 u32 ofdmPhyErrCount; 95 u32 cckPhyErrCount; 96 struct ath9k_ani_default iniDef; 97 }; 98 99 struct ar5416Stats { 100 u32 ast_ani_spurup; 101 u32 ast_ani_spurdown; 102 u32 ast_ani_ofdmon; 103 u32 ast_ani_ofdmoff; 104 u32 ast_ani_cckhigh; 105 u32 ast_ani_ccklow; 106 u32 ast_ani_stepup; 107 u32 ast_ani_stepdown; 108 u32 ast_ani_ofdmerrs; 109 u32 ast_ani_cckerrs; 110 u32 ast_ani_reset; 111 u32 ast_ani_lneg_or_lzero; 112 u32 avgbrssi; 113 struct ath9k_mib_stats ast_mibstats; 114 }; 115 #define ah_mibStats stats.ast_mibstats 116 117 void ath9k_enable_mib_counters(struct ath_hw *ah); 118 void ath9k_hw_disable_mib_counters(struct ath_hw *ah); 119 void ath9k_hw_ani_init(struct ath_hw *ah); 120 121 #endif /* ANI_H */ 122