2 * Copyright (c) 2008-2009 Atheros Communications Inc.
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.
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.
22 #define AR_PHY_CCA_MAX_AR5416_GOOD_VALUE -85
23 #define AR_PHY_CCA_MAX_AR9280_GOOD_VALUE -112
24 #define AR_PHY_CCA_MAX_AR9285_GOOD_VALUE -118
25 #define AR_PHY_CCA_MAX_AR9287_GOOD_VALUE -118
26 #define AR_PHY_CCA_MAX_HIGH_VALUE -62
27 #define AR_PHY_CCA_MIN_BAD_VALUE -140
28 #define AR_PHY_CCA_FILTERWINDOW_LENGTH_INIT 3
29 #define AR_PHY_CCA_FILTERWINDOW_LENGTH 5
31 #define NUM_NF_READINGS 6
32 #define ATH9K_NF_CAL_HIST_MAX 5
34 struct ar5416IniArray {
40 #define INIT_INI_ARRAY(iniarray, array, rows, columns) do { \
41 (iniarray)->ia_array = (u32 *)(array); \
42 (iniarray)->ia_rows = (rows); \
43 (iniarray)->ia_columns = (columns); \
46 #define INI_RA(iniarray, row, column) \
47 (((iniarray)->ia_array)[(row) * ((iniarray)->ia_columns) + (column)])
49 #define INIT_CAL(_perCal) do { \
50 (_perCal)->calState = CAL_WAITING; \
51 (_perCal)->calNext = NULL; \
54 #define INSERT_CAL(_ahp, _perCal) \
56 if ((_ahp)->cal_list_last == NULL) { \
58 (_ahp)->cal_list_last = (_perCal); \
59 ((_ahp)->cal_list_last)->calNext = (_perCal); \
61 ((_ahp)->cal_list_last)->calNext = (_perCal); \
62 (_ahp)->cal_list_last = (_perCal); \
63 (_perCal)->calNext = (_ahp)->cal_list; \
67 enum ath9k_cal_types {
68 ADC_DC_INIT_CAL = 0x1,
71 IQ_MISMATCH_CAL = 0x8,
75 enum ath9k_cal_state {
82 #define MIN_CAL_SAMPLES 1
83 #define MAX_CAL_SAMPLES 64
84 #define INIT_LOG_COUNT 5
85 #define PER_MIN_LOG_COUNT 2
86 #define PER_MAX_LOG_COUNT 10
88 struct ath9k_percal_data {
89 enum ath9k_cal_types calType;
92 void (*calCollect) (struct ath_hw *);
93 void (*calPostProc) (struct ath_hw *, u8);
96 struct ath9k_cal_list {
97 const struct ath9k_percal_data *calData;
98 enum ath9k_cal_state calState;
99 struct ath9k_cal_list *calNext;
102 struct ath9k_nfcal_hist {
103 int16_t nfCalBuffer[ATH9K_NF_CAL_HIST_MAX];
109 #define MAX_PACAL_SKIPCOUNT 8
110 struct ath9k_pacal_info{
111 int32_t prev_offset; /* Previous value of PA offset value */
112 int8_t max_skipcount; /* Max No. of times PACAL can be skipped */
113 int8_t skipcount; /* No. of times the PACAL to be skipped */
116 bool ath9k_hw_reset_calvalid(struct ath_hw *ah);
117 void ath9k_hw_start_nfcal(struct ath_hw *ah);
118 int16_t ath9k_hw_getnf(struct ath_hw *ah,
119 struct ath9k_channel *chan);
120 void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah);
121 s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan);
122 void ath9k_hw_reset_calibration(struct ath_hw *ah,
123 struct ath9k_cal_list *currCal);