diff options
Diffstat (limited to 'drivers/net/wireless/ath9k/calib.h')
-rw-r--r-- | drivers/net/wireless/ath9k/calib.h | 124 |
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 | |||
20 | extern const struct hal_percal_data iq_cal_multi_sample; | ||
21 | extern const struct hal_percal_data iq_cal_single_sample; | ||
22 | extern const struct hal_percal_data adc_gain_cal_multi_sample; | ||
23 | extern const struct hal_percal_data adc_gain_cal_single_sample; | ||
24 | extern const struct hal_percal_data adc_dc_cal_multi_sample; | ||
25 | extern const struct hal_percal_data adc_dc_cal_single_sample; | ||
26 | extern 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 | |||
37 | struct 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 | |||
70 | enum 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 | |||
77 | enum 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 | |||
90 | struct 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 | |||
98 | struct hal_cal_list { | ||
99 | const struct hal_percal_data *calData; | ||
100 | enum hal_cal_state calState; | ||
101 | struct hal_cal_list *calNext; | ||
102 | }; | ||
103 | |||
104 | struct ath9k_nfcal_hist { | ||
105 | int16_t nfCalBuffer[ATH9K_NF_CAL_HIST_MAX]; | ||
106 | u8 currIndex; | ||
107 | int16_t privNF; | ||
108 | u8 invalidNFcount; | ||
109 | }; | ||
110 | |||
111 | bool ath9k_hw_reset_calvalid(struct ath_hw *ah); | ||
112 | void ath9k_hw_start_nfcal(struct ath_hw *ah); | ||
113 | void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan); | ||
114 | int16_t ath9k_hw_getnf(struct ath_hw *ah, | ||
115 | struct ath9k_channel *chan); | ||
116 | void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah); | ||
117 | s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan); | ||
118 | bool ath9k_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan, | ||
119 | u8 rxchainmask, bool longcal, | ||
120 | bool *isCalDone); | ||
121 | bool ath9k_hw_init_cal(struct ath_hw *ah, | ||
122 | struct ath9k_channel *chan); | ||
123 | |||
124 | #endif /* CALIB_H */ | ||