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 extern const struct ath9k_percal_data iq_cal_multi_sample;
23 extern const struct ath9k_percal_data iq_cal_single_sample;
24 extern const struct ath9k_percal_data adc_gain_cal_multi_sample;
25 extern const struct ath9k_percal_data adc_gain_cal_single_sample;
26 extern const struct ath9k_percal_data adc_dc_cal_multi_sample;
27 extern const struct ath9k_percal_data adc_dc_cal_single_sample;
28 extern const struct ath9k_percal_data adc_init_dc_cal;
30 #define AR_PHY_CCA_MAX_AR5416_GOOD_VALUE -85
31 #define AR_PHY_CCA_MAX_AR9280_GOOD_VALUE -112
32 #define AR_PHY_CCA_MAX_AR9285_GOOD_VALUE -118
33 #define AR_PHY_CCA_MAX_AR9287_GOOD_VALUE -118
34 #define AR_PHY_CCA_MAX_HIGH_VALUE -62
35 #define AR_PHY_CCA_MIN_BAD_VALUE -140
36 #define AR_PHY_CCA_FILTERWINDOW_LENGTH_INIT 3
37 #define AR_PHY_CCA_FILTERWINDOW_LENGTH 5
39 #define NUM_NF_READINGS 6
40 #define ATH9K_NF_CAL_HIST_MAX 5
42 struct ar5416IniArray {
48 #define INIT_INI_ARRAY(iniarray, array, rows, columns) do { \
49 (iniarray)->ia_array = (u32 *)(array); \
50 (iniarray)->ia_rows = (rows); \
51 (iniarray)->ia_columns = (columns); \
54 #define INI_RA(iniarray, row, column) \
55 (((iniarray)->ia_array)[(row) * ((iniarray)->ia_columns) + (column)])
57 #define INIT_CAL(_perCal) do { \
58 (_perCal)->calState = CAL_WAITING; \
59 (_perCal)->calNext = NULL; \
62 #define INSERT_CAL(_ahp, _perCal) \
64 if ((_ahp)->cal_list_last == NULL) { \
66 (_ahp)->cal_list_last = (_perCal); \
67 ((_ahp)->cal_list_last)->calNext = (_perCal); \
69 ((_ahp)->cal_list_last)->calNext = (_perCal); \
70 (_ahp)->cal_list_last = (_perCal); \
71 (_perCal)->calNext = (_ahp)->cal_list; \
75 enum ath9k_cal_types {
76 ADC_DC_INIT_CAL = 0x1,
82 enum ath9k_cal_state {
89 #define MIN_CAL_SAMPLES 1
90 #define MAX_CAL_SAMPLES 64
91 #define INIT_LOG_COUNT 5
92 #define PER_MIN_LOG_COUNT 2
93 #define PER_MAX_LOG_COUNT 10
95 struct ath9k_percal_data {
96 enum ath9k_cal_types calType;
99 void (*calCollect) (struct ath_hw *);
100 void (*calPostProc) (struct ath_hw *, u8);
103 struct ath9k_cal_list {
104 const struct ath9k_percal_data *calData;
105 enum ath9k_cal_state calState;
106 struct ath9k_cal_list *calNext;
109 struct ath9k_nfcal_hist {
110 int16_t nfCalBuffer[ATH9K_NF_CAL_HIST_MAX];
116 #define MAX_PACAL_SKIPCOUNT 8
117 struct ath9k_pacal_info{
118 int32_t prev_offset; /* Previous value of PA offset value */
119 int8_t max_skipcount; /* Max No. of times PACAL can be skipped */
120 int8_t skipcount; /* No. of times the PACAL to be skipped */
123 bool ath9k_hw_reset_calvalid(struct ath_hw *ah);
124 void ath9k_hw_start_nfcal(struct ath_hw *ah);
125 void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan);
126 int16_t ath9k_hw_getnf(struct ath_hw *ah,
127 struct ath9k_channel *chan);
128 void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah);
129 s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan);
130 bool ath9k_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan,
131 u8 rxchainmask, bool longcal);
132 bool ath9k_hw_init_cal(struct ath_hw *ah,
133 struct ath9k_channel *chan);