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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_LOW 400
#define ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI 900
#define ATH9K_ANI_CCK_TRIG_HIGH 600
#define ATH9K_ANI_CCK_TRIG_LOW 300
#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_PRESENT = 0x1,
ATH9K_ANI_NOISE_IMMUNITY_LEVEL = 0x2,
ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION = 0x4,
ATH9K_ANI_CCK_WEAK_SIGNAL_THR = 0x8,
ATH9K_ANI_FIRSTEP_LEVEL = 0x10,
ATH9K_ANI_SPUR_IMMUNITY_LEVEL = 0x20,
ATH9K_ANI_MODE = 0x40,
ATH9K_ANI_PHYERR_RESET = 0x80,
ATH9K_ANI_MRC_CCK = 0x100,
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 */
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