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17#ifndef SPECTRAL_H
18#define SPECTRAL_H
19
20#include "../spectral_common.h"
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31
32enum spectral_mode {
33 SPECTRAL_DISABLED = 0,
34 SPECTRAL_BACKGROUND,
35 SPECTRAL_MANUAL,
36 SPECTRAL_CHANSCAN,
37};
38
39#define SPECTRAL_SCAN_BITMASK 0x10
40
41struct ath_radar_info {
42 u8 pulse_length_pri;
43 u8 pulse_length_ext;
44 u8 pulse_bw_info;
45} __packed;
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53
54struct ath_ht20_mag_info {
55 u8 all_bins[3];
56 u8 max_exp;
57} __packed;
58
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60
61
62struct ath_ht20_fft_packet {
63 u8 data[SPECTRAL_HT20_NUM_BINS];
64 struct ath_ht20_mag_info mag_info;
65 struct ath_radar_info radar_info;
66} __packed;
67
68#define SPECTRAL_HT20_TOTAL_DATA_LEN (sizeof(struct ath_ht20_fft_packet))
69#define SPECTRAL_HT20_SAMPLE_LEN (sizeof(struct ath_ht20_mag_info) +\
70 SPECTRAL_HT20_NUM_BINS)
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82struct ath_ht20_40_mag_info {
83 u8 lower_bins[3];
84 u8 upper_bins[3];
85 u8 max_exp;
86} __packed;
87
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90
91struct ath_ht20_40_fft_packet {
92 u8 data[SPECTRAL_HT20_40_NUM_BINS];
93 struct ath_ht20_40_mag_info mag_info;
94 struct ath_radar_info radar_info;
95} __packed;
96
97struct ath_spec_scan_priv {
98 struct ath_hw *ah;
99
100 struct rchan *rfs_chan_spec_scan;
101 enum spectral_mode spectral_mode;
102 struct ath_spec_scan spec_config;
103};
104
105#define SPECTRAL_HT20_40_TOTAL_DATA_LEN (sizeof(struct ath_ht20_40_fft_packet))
106#define SPECTRAL_HT20_40_SAMPLE_LEN (sizeof(struct ath_ht20_40_mag_info) +\
107 SPECTRAL_HT20_40_NUM_BINS)
108
109#define SPECTRAL_SAMPLE_MAX_LEN SPECTRAL_HT20_40_SAMPLE_LEN
110
111
112static inline u16 spectral_max_magnitude(u8 *bins)
113{
114 return (bins[0] & 0xc0) >> 6 |
115 (bins[1] & 0xff) << 2 |
116 (bins[2] & 0x03) << 10;
117}
118
119
120static inline u8 spectral_max_index(u8 *bins, int num_bins)
121{
122 s8 m = (bins[2] & 0xfc) >> 2;
123 u8 zero_idx = num_bins / 2;
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129 if (m & 0x20) {
130 m &= ~0x20;
131 m |= 0xe0;
132 }
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139 m += zero_idx;
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141
142 if (m < 0 || m > num_bins - 1)
143 m = 0;
144
145 return m;
146}
147
148
149static inline u8 spectral_bitmap_weight(u8 *bins)
150{
151 return bins[0] & 0x3f;
152}
153
154#ifdef CONFIG_ATH9K_COMMON_DEBUG
155void ath9k_cmn_spectral_init_debug(struct ath_spec_scan_priv *spec_priv, struct dentry *debugfs_phy);
156void ath9k_cmn_spectral_deinit_debug(struct ath_spec_scan_priv *spec_priv);
157
158void ath9k_cmn_spectral_scan_trigger(struct ath_common *common,
159 struct ath_spec_scan_priv *spec_priv);
160int ath9k_cmn_spectral_scan_config(struct ath_common *common,
161 struct ath_spec_scan_priv *spec_priv,
162 enum spectral_mode spectral_mode);
163int ath_cmn_process_fft(struct ath_spec_scan_priv *spec_priv, struct ieee80211_hdr *hdr,
164 struct ath_rx_status *rs, u64 tsf);
165#else
166static inline void ath9k_cmn_spectral_init_debug(struct ath_spec_scan_priv *spec_priv,
167 struct dentry *debugfs_phy)
168{
169}
170
171static inline void ath9k_cmn_spectral_deinit_debug(struct ath_spec_scan_priv *spec_priv)
172{
173}
174
175static inline void ath9k_cmn_spectral_scan_trigger(struct ath_common *common,
176 struct ath_spec_scan_priv *spec_priv)
177{
178}
179
180static inline int ath_cmn_process_fft(struct ath_spec_scan_priv *spec_priv,
181 struct ieee80211_hdr *hdr,
182 struct ath_rx_status *rs, u64 tsf)
183{
184 return 0;
185}
186#endif
187
188#endif
189