mirror of https://github.com/proski/madwifi
120 lines
3.8 KiB
C
120 lines
3.8 KiB
C
/*
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* Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
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* Copyright (c) 2002-2008 Atheros Communications, Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* $Id: ar5416_cal.h,v 1.3 2008/11/11 17:43:23 sam Exp $
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*/
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#ifndef _ATH_AR5416_CAL_H_
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#define _ATH_AR5416_CAL_H_
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typedef enum {
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ADC_DC_INIT_CAL = 0x1,
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ADC_GAIN_CAL = 0x2,
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ADC_DC_CAL = 0x4,
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IQ_MISMATCH_CAL = 0x8
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} HAL_CAL_TYPE;
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/* Calibrate state */
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typedef enum {
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CAL_INACTIVE,
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CAL_WAITING,
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CAL_RUNNING,
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CAL_DONE
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} HAL_CAL_STATE;
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typedef union {
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uint32_t u;
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int32_t s;
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} HAL_CAL_SAMPLE;
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#define MIN_CAL_SAMPLES 1
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#define MAX_CAL_SAMPLES 64
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#define INIT_LOG_COUNT 5
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#define PER_MIN_LOG_COUNT 2
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#define PER_MAX_LOG_COUNT 10
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/* Per Calibration data structure */
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typedef struct per_cal_data {
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const char *calName; /* for diagnostics */
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HAL_CAL_TYPE calType; /* Type of calibration */
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uint32_t calNumSamples; /* # SW samples to collect */
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uint32_t calCountMax; /* # HW samples to collect */
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void (*calCollect)(struct ath_hal *); /* Accumulator function */
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/* Post-processing function */
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void (*calPostProc)(struct ath_hal *, uint8_t);
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} HAL_PERCAL_DATA;
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/* List structure for calibration data */
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typedef struct cal_list {
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struct cal_list *calNext;
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HAL_CAL_STATE calState;
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const HAL_PERCAL_DATA *calData;
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} HAL_CAL_LIST;
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struct ar5416PerCal {
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/*
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* Periodic calibration state.
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*/
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HAL_CAL_TYPE suppCals;
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HAL_CAL_LIST iqCalData;
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HAL_CAL_LIST adcGainCalData;
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HAL_CAL_LIST adcDcCalInitData;
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HAL_CAL_LIST adcDcCalData;
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HAL_CAL_LIST *cal_list;
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HAL_CAL_LIST *cal_last;
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HAL_CAL_LIST *cal_curr;
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#define AR5416_MAX_CHAINS 3 /* XXX dup's eeprom def */
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HAL_CAL_SAMPLE caldata[4][AR5416_MAX_CHAINS];
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int calSamples;
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/*
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* Noise floor cal histogram support.
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* XXX be nice to re-use space in ar5212
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*/
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#define AR5416_NUM_NF_READINGS 6 /* (3 chains * (ctl + ext) */
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struct ar5212NfCalHist nfCalHist[AR5416_NUM_NF_READINGS];
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};
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#define INIT_CAL(_perCal) do { \
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(_perCal)->calState = CAL_WAITING; \
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(_perCal)->calNext = AH_NULL; \
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} while (0)
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#define INSERT_CAL(_cal, _perCal) do { \
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if ((_cal)->cal_last == AH_NULL) { \
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(_cal)->cal_list = (_cal)->cal_last = (_perCal); \
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((_cal)->cal_last)->calNext = (_perCal); \
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} else { \
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((_cal)->cal_last)->calNext = (_perCal); \
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(_cal)->cal_last = (_perCal); \
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(_perCal)->calNext = (_cal)->cal_list; \
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} \
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} while (0)
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HAL_BOOL ar5416InitCal(struct ath_hal *ah, HAL_CHANNEL *chan);
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HAL_BOOL ar5416PerCalibration(struct ath_hal *, HAL_CHANNEL *,
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HAL_BOOL *isIQdone);
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HAL_BOOL ar5416PerCalibrationN(struct ath_hal *ah, HAL_CHANNEL *chan,
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u_int chainMask, HAL_BOOL longCal, HAL_BOOL *isCalDone);
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HAL_BOOL ar5416ResetCalValid(struct ath_hal *ah, HAL_CHANNEL *chan);
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void ar5416IQCalCollect(struct ath_hal *ah);
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void ar5416IQCalibration(struct ath_hal *ah, uint8_t numChains);
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void ar5416AdcGainCalCollect(struct ath_hal *ah);
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void ar5416AdcGainCalibration(struct ath_hal *ah, uint8_t numChains);
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void ar5416AdcDcCalCollect(struct ath_hal *ah);
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void ar5416AdcDcCalibration(struct ath_hal *ah, uint8_t numChains);
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void ar5416InitNfHistBuff(struct ar5212NfCalHist *h);
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#endif /* _ATH_AR5416_CAL_H_ */
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