aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/ath9k/calib.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/ath9k/calib.h')
-rw-r--r--drivers/net/wireless/ath9k/calib.h124
1 files changed, 124 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath9k/calib.h b/drivers/net/wireless/ath9k/calib.h
new file mode 100644
index 000000000000..d2448f049c1d
--- /dev/null
+++ b/drivers/net/wireless/ath9k/calib.h
@@ -0,0 +1,124 @@
1/*
2 * Copyright (c) 2008 Atheros Communications Inc.
3 *
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.
7 *
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.
15 */
16
17#ifndef CALIB_H
18#define CALIB_H
19
20extern const struct hal_percal_data iq_cal_multi_sample;
21extern const struct hal_percal_data iq_cal_single_sample;
22extern const struct hal_percal_data adc_gain_cal_multi_sample;
23extern const struct hal_percal_data adc_gain_cal_single_sample;
24extern const struct hal_percal_data adc_dc_cal_multi_sample;
25extern const struct hal_percal_data adc_dc_cal_single_sample;
26extern const struct hal_percal_data adc_init_dc_cal;
27
28#define AR_PHY_CCA_MAX_GOOD_VALUE -85
29#define AR_PHY_CCA_MAX_HIGH_VALUE -62
30#define AR_PHY_CCA_MIN_BAD_VALUE -121
31#define AR_PHY_CCA_FILTERWINDOW_LENGTH_INIT 3
32#define AR_PHY_CCA_FILTERWINDOW_LENGTH 5
33
34#define NUM_NF_READINGS 6
35#define ATH9K_NF_CAL_HIST_MAX 5
36
37struct ar5416IniArray {
38 u32 *ia_array;
39 u32 ia_rows;
40 u32 ia_columns;
41};
42
43#define INIT_INI_ARRAY(iniarray, array, rows, columns) do { \
44 (iniarray)->ia_array = (u32 *)(array); \
45 (iniarray)->ia_rows = (rows); \
46 (iniarray)->ia_columns = (columns); \
47 } while (0)
48
49#define INI_RA(iniarray, row, column) \
50 (((iniarray)->ia_array)[(row) * ((iniarray)->ia_columns) + (column)])
51
52#define INIT_CAL(_perCal) do { \
53 (_perCal)->calState = CAL_WAITING; \
54 (_perCal)->calNext = NULL; \
55 } while (0)
56
57#define INSERT_CAL(_ahp, _perCal) \
58 do { \
59 if ((_ahp)->cal_list_last == NULL) { \
60 (_ahp)->cal_list = \
61 (_ahp)->cal_list_last = (_perCal); \
62 ((_ahp)->cal_list_last)->calNext = (_perCal); \
63 } else { \
64 ((_ahp)->cal_list_last)->calNext = (_perCal); \
65 (_ahp)->cal_list_last = (_perCal); \
66 (_perCal)->calNext = (_ahp)->cal_list; \
67 } \
68 } while (0)
69
70enum hal_cal_types {
71 ADC_DC_INIT_CAL = 0x1,
72 ADC_GAIN_CAL = 0x2,
73 ADC_DC_CAL = 0x4,
74 IQ_MISMATCH_CAL = 0x8
75};
76
77enum hal_cal_state {
78 CAL_INACTIVE,
79 CAL_WAITING,
80 CAL_RUNNING,
81 CAL_DONE
82};
83
84#define MIN_CAL_SAMPLES 1
85#define MAX_CAL_SAMPLES 64
86#define INIT_LOG_COUNT 5
87#define PER_MIN_LOG_COUNT 2
88#define PER_MAX_LOG_COUNT 10
89
90struct hal_percal_data {
91 enum hal_cal_types calType;
92 u32 calNumSamples;
93 u32 calCountMax;
94 void (*calCollect) (struct ath_hw *);
95 void (*calPostProc) (struct ath_hw *, u8);
96};
97
98struct hal_cal_list {
99 const struct hal_percal_data *calData;
100 enum hal_cal_state calState;
101 struct hal_cal_list *calNext;
102};
103
104struct ath9k_nfcal_hist {
105 int16_t nfCalBuffer[ATH9K_NF_CAL_HIST_MAX];
106 u8 currIndex;
107 int16_t privNF;
108 u8 invalidNFcount;
109};
110
111bool ath9k_hw_reset_calvalid(struct ath_hw *ah);
112void ath9k_hw_start_nfcal(struct ath_hw *ah);
113void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan);
114int16_t ath9k_hw_getnf(struct ath_hw *ah,
115 struct ath9k_channel *chan);
116void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah);
117s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan);
118bool ath9k_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan,
119 u8 rxchainmask, bool longcal,
120 bool *isCalDone);
121bool ath9k_hw_init_cal(struct ath_hw *ah,
122 struct ath9k_channel *chan);
123
124#endif /* CALIB_H */