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123 lines
3.5 KiB
123 lines
3.5 KiB
/* |
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* Copyright (c) 2008-2011 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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#ifndef CALIB_H |
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#define CALIB_H |
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#include "hw.h" |
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#define AR_PHY_CCA_FILTERWINDOW_LENGTH 5 |
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/* Internal noise floor can vary by about 6db depending on the frequency */ |
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#define ATH9K_NF_CAL_NOISE_THRESH 6 |
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#define NUM_NF_READINGS 6 |
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#define ATH9K_NF_CAL_HIST_MAX 5 |
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struct ar5416IniArray { |
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u32 *ia_array; |
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u32 ia_rows; |
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u32 ia_columns; |
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}; |
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#define STATIC_INI_ARRAY(array) { \ |
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.ia_array = (u32 *)(array), \ |
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.ia_rows = ARRAY_SIZE(array), \ |
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.ia_columns = ARRAY_SIZE(array[0]), \ |
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} |
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#define INIT_INI_ARRAY(iniarray, array) do { \ |
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(iniarray)->ia_array = (u32 *)(array); \ |
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(iniarray)->ia_rows = ARRAY_SIZE(array); \ |
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(iniarray)->ia_columns = ARRAY_SIZE(array[0]); \ |
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} while (0) |
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#define INI_RA(iniarray, row, column) \ |
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(((iniarray)->ia_array)[(row) * ((iniarray)->ia_columns) + (column)]) |
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#define INIT_CAL(_perCal) do { \ |
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(_perCal)->calState = CAL_WAITING; \ |
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(_perCal)->calNext = NULL; \ |
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} while (0) |
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#define INSERT_CAL(_ahp, _perCal) \ |
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do { \ |
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if ((_ahp)->cal_list_last == NULL) { \ |
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(_ahp)->cal_list = \ |
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(_ahp)->cal_list_last = (_perCal); \ |
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((_ahp)->cal_list_last)->calNext = (_perCal); \ |
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} else { \ |
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((_ahp)->cal_list_last)->calNext = (_perCal); \ |
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(_ahp)->cal_list_last = (_perCal); \ |
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(_perCal)->calNext = (_ahp)->cal_list; \ |
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} \ |
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} while (0) |
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enum ath9k_cal_state { |
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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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}; |
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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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struct ath9k_percal_data { |
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u32 calType; |
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u32 calNumSamples; |
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u32 calCountMax; |
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void (*calCollect) (struct ath_hw *); |
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void (*calPostProc) (struct ath_hw *, u8); |
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}; |
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struct ath9k_cal_list { |
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const struct ath9k_percal_data *calData; |
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enum ath9k_cal_state calState; |
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struct ath9k_cal_list *calNext; |
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}; |
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struct ath9k_nfcal_hist { |
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int16_t nfCalBuffer[ATH9K_NF_CAL_HIST_MAX]; |
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u8 currIndex; |
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int16_t privNF; |
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u8 invalidNFcount; |
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}; |
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#define MAX_PACAL_SKIPCOUNT 8 |
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struct ath9k_pacal_info{ |
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int32_t prev_offset; /* Previous value of PA offset value */ |
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int8_t max_skipcount; /* Max No. of times PACAL can be skipped */ |
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int8_t skipcount; /* No. of times the PACAL to be skipped */ |
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}; |
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bool ath9k_hw_reset_calvalid(struct ath_hw *ah); |
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void ath9k_hw_start_nfcal(struct ath_hw *ah, bool update); |
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int ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan); |
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bool ath9k_hw_getnf(struct ath_hw *ah, struct ath9k_channel *chan); |
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void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah, |
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struct ath9k_channel *chan); |
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void ath9k_hw_bstuck_nfcal(struct ath_hw *ah); |
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void ath9k_hw_reset_calibration(struct ath_hw *ah, |
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struct ath9k_cal_list *currCal); |
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s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan, |
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s16 nf); |
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#endif /* CALIB_H */
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