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/*
* Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
* Copyright (c) 2002-2008 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.
*
* $FreeBSD$
*/
#ifndef _ATH_AR5416_CAL_H_
#define _ATH_AR5416_CAL_H_
typedef enum {
ADC_DC_INIT_CAL = 0x1,
ADC_GAIN_CAL = 0x2,
ADC_DC_CAL = 0x4,
IQ_MISMATCH_CAL = 0x8
} HAL_CAL_TYPE;
/* Calibrate state */
typedef enum {
CAL_INACTIVE,
CAL_WAITING,
CAL_RUNNING,
CAL_DONE
} HAL_CAL_STATE;
typedef union {
uint32_t u;
int32_t s;
} HAL_CAL_SAMPLE;
#define MIN_CAL_SAMPLES 1
#define MAX_CAL_SAMPLES 64
#define INIT_LOG_COUNT 5
#define PER_MIN_LOG_COUNT 2
#define PER_MAX_LOG_COUNT 10
/* Per Calibration data structure */
typedef struct per_cal_data {
const char *calName; /* for diagnostics */
HAL_CAL_TYPE calType; /* Type of calibration */
uint32_t calNumSamples; /* # SW samples to collect */
uint32_t calCountMax; /* # HW samples to collect */
void (*calCollect)(struct ath_hal *); /* Accumulator function */
/* Post-processing function */
void (*calPostProc)(struct ath_hal *, uint8_t);
} HAL_PERCAL_DATA;
/* List structure for calibration data */
typedef struct cal_list {
struct cal_list *calNext;
HAL_CAL_STATE calState;
const HAL_PERCAL_DATA *calData;
} HAL_CAL_LIST;
struct ar5416PerCal {
/*
* Periodic calibration state.
*/
HAL_CAL_TYPE suppCals;
HAL_CAL_LIST iqCalData;
HAL_CAL_LIST adcGainCalData;
HAL_CAL_LIST adcDcCalInitData;
HAL_CAL_LIST adcDcCalData;
HAL_CAL_LIST *cal_list;
HAL_CAL_LIST *cal_last;
HAL_CAL_LIST *cal_curr;
#define AR5416_MAX_CHAINS 3 /* XXX dup's eeprom def */
HAL_CAL_SAMPLE caldata[4][AR5416_MAX_CHAINS];
int calSamples;
/*
* Noise floor cal histogram support.
* XXX be nice to re-use space in ar5212
*/
#define AR5416_NUM_NF_READINGS 6 /* (3 chains * (ctl + ext) */
struct ar5212NfCalHist nfCalHist[AR5416_NUM_NF_READINGS];
};
#define INIT_CAL(_perCal) do { \
(_perCal)->calState = CAL_WAITING; \
(_perCal)->calNext = AH_NULL; \
} while (0)
#define INSERT_CAL(_cal, _perCal) do { \
if ((_cal)->cal_last == AH_NULL) { \
(_cal)->cal_list = (_cal)->cal_last = (_perCal); \
((_cal)->cal_last)->calNext = (_perCal); \
} else { \
((_cal)->cal_last)->calNext = (_perCal); \
(_cal)->cal_last = (_perCal); \
(_perCal)->calNext = (_cal)->cal_list; \
} \
} while (0)
HAL_BOOL ar5416InitCal(struct ath_hal *, const struct ieee80211_channel *);
HAL_BOOL ar5416PerCalibration(struct ath_hal *, struct ieee80211_channel *,
HAL_BOOL *isIQdone);
HAL_BOOL ar5416PerCalibrationN(struct ath_hal *, struct ieee80211_channel *,
u_int chainMask, HAL_BOOL longCal, HAL_BOOL *isCalDone);
HAL_BOOL ar5416ResetCalValid(struct ath_hal *,
const struct ieee80211_channel *);
void ar5416IQCalCollect(struct ath_hal *ah);
void ar5416IQCalibration(struct ath_hal *ah, uint8_t numChains);
void ar5416AdcGainCalCollect(struct ath_hal *ah);
void ar5416AdcGainCalibration(struct ath_hal *ah, uint8_t numChains);
void ar5416AdcDcCalCollect(struct ath_hal *ah);
void ar5416AdcDcCalibration(struct ath_hal *ah, uint8_t numChains);
void ar5416InitNfHistBuff(struct ar5212NfCalHist *h);
#endif /* _ATH_AR5416_CAL_H_ */
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