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Commit | Line | Data |
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394cf0a1 | 1 | /* |
5b68138e | 2 | * Copyright (c) 2008-2011 Atheros Communications Inc. |
394cf0a1 S |
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 | ||
c46917bb LR |
20 | #include "hw.h" |
21 | ||
394cf0a1 S |
22 | #define AR_PHY_CCA_FILTERWINDOW_LENGTH 5 |
23 | ||
b7c0c238 FF |
24 | /* Internal noise floor can vary by about 6db depending on the frequency */ |
25 | #define ATH9K_NF_CAL_NOISE_THRESH 6 | |
26 | ||
394cf0a1 S |
27 | #define NUM_NF_READINGS 6 |
28 | #define ATH9K_NF_CAL_HIST_MAX 5 | |
29 | ||
30 | struct ar5416IniArray { | |
31 | u32 *ia_array; | |
32 | u32 ia_rows; | |
33 | u32 ia_columns; | |
34 | }; | |
35 | ||
a043dfb9 FF |
36 | #define STATIC_INI_ARRAY(array) { \ |
37 | .ia_array = (u32 *)(array), \ | |
38 | .ia_rows = ARRAY_SIZE(array), \ | |
39 | .ia_columns = ARRAY_SIZE(array[0]), \ | |
40 | } | |
41 | ||
a364517b | 42 | #define INIT_INI_ARRAY(iniarray, array) do { \ |
394cf0a1 | 43 | (iniarray)->ia_array = (u32 *)(array); \ |
a364517b FF |
44 | (iniarray)->ia_rows = ARRAY_SIZE(array); \ |
45 | (iniarray)->ia_columns = ARRAY_SIZE(array[0]); \ | |
394cf0a1 S |
46 | } while (0) |
47 | ||
48 | #define INI_RA(iniarray, row, column) \ | |
49 | (((iniarray)->ia_array)[(row) * ((iniarray)->ia_columns) + (column)]) | |
50 | ||
51 | #define INIT_CAL(_perCal) do { \ | |
52 | (_perCal)->calState = CAL_WAITING; \ | |
53 | (_perCal)->calNext = NULL; \ | |
54 | } while (0) | |
55 | ||
56 | #define INSERT_CAL(_ahp, _perCal) \ | |
57 | do { \ | |
2660b81a S |
58 | if ((_ahp)->cal_list_last == NULL) { \ |
59 | (_ahp)->cal_list = \ | |
60 | (_ahp)->cal_list_last = (_perCal); \ | |
61 | ((_ahp)->cal_list_last)->calNext = (_perCal); \ | |
394cf0a1 | 62 | } else { \ |
2660b81a S |
63 | ((_ahp)->cal_list_last)->calNext = (_perCal); \ |
64 | (_ahp)->cal_list_last = (_perCal); \ | |
65 | (_perCal)->calNext = (_ahp)->cal_list; \ | |
394cf0a1 S |
66 | } \ |
67 | } while (0) | |
68 | ||
cbfe9468 | 69 | enum ath9k_cal_state { |
394cf0a1 S |
70 | CAL_INACTIVE, |
71 | CAL_WAITING, | |
72 | CAL_RUNNING, | |
73 | CAL_DONE | |
74 | }; | |
75 | ||
76 | #define MIN_CAL_SAMPLES 1 | |
77 | #define MAX_CAL_SAMPLES 64 | |
78 | #define INIT_LOG_COUNT 5 | |
79 | #define PER_MIN_LOG_COUNT 2 | |
80 | #define PER_MAX_LOG_COUNT 10 | |
81 | ||
cbfe9468 | 82 | struct ath9k_percal_data { |
6497827f | 83 | u32 calType; |
394cf0a1 S |
84 | u32 calNumSamples; |
85 | u32 calCountMax; | |
cbe61d8a S |
86 | void (*calCollect) (struct ath_hw *); |
87 | void (*calPostProc) (struct ath_hw *, u8); | |
394cf0a1 S |
88 | }; |
89 | ||
cbfe9468 S |
90 | struct ath9k_cal_list { |
91 | const struct ath9k_percal_data *calData; | |
92 | enum ath9k_cal_state calState; | |
93 | struct ath9k_cal_list *calNext; | |
394cf0a1 S |
94 | }; |
95 | ||
96 | struct ath9k_nfcal_hist { | |
97 | int16_t nfCalBuffer[ATH9K_NF_CAL_HIST_MAX]; | |
98 | u8 currIndex; | |
99 | int16_t privNF; | |
100 | u8 invalidNFcount; | |
101 | }; | |
102 | ||
a13883b0 S |
103 | #define MAX_PACAL_SKIPCOUNT 8 |
104 | struct ath9k_pacal_info{ | |
105 | int32_t prev_offset; /* Previous value of PA offset value */ | |
106 | int8_t max_skipcount; /* Max No. of times PACAL can be skipped */ | |
107 | int8_t skipcount; /* No. of times the PACAL to be skipped */ | |
108 | }; | |
109 | ||
cbe61d8a | 110 | bool ath9k_hw_reset_calvalid(struct ath_hw *ah); |
00c86590 | 111 | void ath9k_hw_start_nfcal(struct ath_hw *ah, bool update); |
7b8aaead | 112 | int ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan); |
4254bc1c | 113 | bool ath9k_hw_getnf(struct ath_hw *ah, struct ath9k_channel *chan); |
20bd2a09 FF |
114 | void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah, |
115 | struct ath9k_channel *chan); | |
70cf1533 | 116 | void ath9k_hw_bstuck_nfcal(struct ath_hw *ah); |
795f5e2c LR |
117 | void ath9k_hw_reset_calibration(struct ath_hw *ah, |
118 | struct ath9k_cal_list *currCal); | |
5bc225ac LB |
119 | s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan, |
120 | s16 nf); | |
795f5e2c | 121 | |
394cf0a1 S |
122 | |
123 | #endif /* CALIB_H */ |