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 /* units are errors per second */ 27 #define ATH9K_ANI_OFDM_TRIG_LOW 400 28 #define ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI 900 29 30 /* units are errors per second */ 31 #define ATH9K_ANI_CCK_TRIG_HIGH 600 32 33 /* units are errors per second */ 34 #define ATH9K_ANI_CCK_TRIG_LOW 300 35 36 #define ATH9K_ANI_NOISE_IMMUNE_LVL 4 37 #define ATH9K_ANI_SPUR_IMMUNE_LVL 3 38 #define ATH9K_ANI_FIRSTEP_LVL 2 39 40 #define ATH9K_ANI_RSSI_THR_HIGH 40 41 #define ATH9K_ANI_RSSI_THR_LOW 7 42 43 #define ATH9K_ANI_PERIOD 300 44 45 /* in ms */ 46 #define ATH9K_ANI_POLLINTERVAL 1000 47 48 #define HAL_NOISE_IMMUNE_MAX 4 49 #define HAL_SPUR_IMMUNE_MAX 7 50 #define HAL_FIRST_STEP_MAX 2 51 52 #define ATH9K_SIG_FIRSTEP_SETTING_MIN 0 53 #define ATH9K_SIG_FIRSTEP_SETTING_MAX 20 54 #define ATH9K_SIG_SPUR_IMM_SETTING_MIN 0 55 #define ATH9K_SIG_SPUR_IMM_SETTING_MAX 22 56 57 /* values here are relative to the INI */ 58 59 enum ath9k_ani_cmd { 60 ATH9K_ANI_PRESENT = 0x1, 61 ATH9K_ANI_NOISE_IMMUNITY_LEVEL = 0x2, 62 ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION = 0x4, 63 ATH9K_ANI_CCK_WEAK_SIGNAL_THR = 0x8, 64 ATH9K_ANI_FIRSTEP_LEVEL = 0x10, 65 ATH9K_ANI_SPUR_IMMUNITY_LEVEL = 0x20, 66 ATH9K_ANI_MODE = 0x40, 67 ATH9K_ANI_PHYERR_RESET = 0x80, 68 ATH9K_ANI_MRC_CCK = 0x100, 69 ATH9K_ANI_ALL = 0xfff 70 }; 71 72 struct ath9k_mib_stats { 73 u32 ackrcv_bad; 74 u32 rts_bad; 75 u32 rts_good; 76 u32 fcs_bad; 77 u32 beacons; 78 }; 79 80 /* INI default values for ANI registers */ 81 struct ath9k_ani_default { 82 u16 m1ThreshLow; 83 u16 m2ThreshLow; 84 u16 m1Thresh; 85 u16 m2Thresh; 86 u16 m2CountThr; 87 u16 m2CountThrLow; 88 u16 m1ThreshLowExt; 89 u16 m2ThreshLowExt; 90 u16 m1ThreshExt; 91 u16 m2ThreshExt; 92 u16 firstep; 93 u16 firstepLow; 94 u16 cycpwrThr1; 95 u16 cycpwrThr1Ext; 96 }; 97 98 struct ar5416AniState { 99 u8 noiseImmunityLevel; 100 u8 ofdmNoiseImmunityLevel; 101 u8 cckNoiseImmunityLevel; 102 bool ofdmsTurn; 103 u8 mrcCCK; 104 u8 spurImmunityLevel; 105 u8 firstepLevel; 106 bool ofdmWeakSigDetect; 107 u32 listenTime; 108 u32 ofdmPhyErrCount; 109 u32 cckPhyErrCount; 110 struct ath9k_ani_default iniDef; 111 }; 112 113 struct ar5416Stats { 114 u32 ast_ani_niup; 115 u32 ast_ani_nidown; 116 u32 ast_ani_spurup; 117 u32 ast_ani_spurdown; 118 u32 ast_ani_ofdmon; 119 u32 ast_ani_ofdmoff; 120 u32 ast_ani_cckhigh; 121 u32 ast_ani_ccklow; 122 u32 ast_ani_stepup; 123 u32 ast_ani_stepdown; 124 u32 ast_ani_ofdmerrs; 125 u32 ast_ani_cckerrs; 126 u32 ast_ani_reset; 127 u32 ast_ani_lneg_or_lzero; 128 u32 avgbrssi; 129 struct ath9k_mib_stats ast_mibstats; 130 }; 131 #define ah_mibStats stats.ast_mibstats 132 133 void ath9k_enable_mib_counters(struct ath_hw *ah); 134 void ath9k_hw_disable_mib_counters(struct ath_hw *ah); 135 void ath9k_hw_ani_init(struct ath_hw *ah); 136 137 #endif /* ANI_H */ 138