This source file includes following definitions.
- spectral_max_magnitude
- spectral_max_index
- spectral_max_index_ht40
- spectral_max_index_ht20
- spectral_bitmap_weight
- ath9k_cmn_spectral_init_debug
- ath9k_cmn_spectral_deinit_debug
- ath9k_cmn_spectral_scan_trigger
- ath_cmn_process_fft
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17 #ifndef SPECTRAL_H
18 #define SPECTRAL_H
19
20 #include "../spectral_common.h"
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31
32 enum spectral_mode {
33 SPECTRAL_DISABLED = 0,
34 SPECTRAL_BACKGROUND,
35 SPECTRAL_MANUAL,
36 SPECTRAL_CHANSCAN,
37 };
38
39 #define SPECTRAL_SCAN_BITMASK 0x10
40
41 struct 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
54 struct ath_ht20_mag_info {
55 u8 all_bins[3];
56 u8 max_exp;
57 } __packed;
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61
62 struct 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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82 struct ath_ht20_40_mag_info {
83 u8 lower_bins[3];
84 u8 upper_bins[3];
85 u8 max_exp;
86 } __packed;
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91 struct 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
97 struct 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
112 static 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
120 static 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;
140
141
142 if (m < 0 || m > num_bins - 1)
143 m = 0;
144
145 return m;
146 }
147
148 static inline u8 spectral_max_index_ht40(u8 *bins)
149 {
150 u8 idx;
151
152 idx = spectral_max_index(bins, SPECTRAL_HT20_40_NUM_BINS);
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157 return idx % (SPECTRAL_HT20_40_NUM_BINS / 2);
158 }
159
160 static inline u8 spectral_max_index_ht20(u8 *bins)
161 {
162 return spectral_max_index(bins, SPECTRAL_HT20_NUM_BINS);
163 }
164
165
166 static inline u8 spectral_bitmap_weight(u8 *bins)
167 {
168 return bins[0] & 0x3f;
169 }
170
171 #ifdef CONFIG_ATH9K_COMMON_SPECTRAL
172 void ath9k_cmn_spectral_init_debug(struct ath_spec_scan_priv *spec_priv, struct dentry *debugfs_phy);
173 void ath9k_cmn_spectral_deinit_debug(struct ath_spec_scan_priv *spec_priv);
174
175 void ath9k_cmn_spectral_scan_trigger(struct ath_common *common,
176 struct ath_spec_scan_priv *spec_priv);
177 int ath9k_cmn_spectral_scan_config(struct ath_common *common,
178 struct ath_spec_scan_priv *spec_priv,
179 enum spectral_mode spectral_mode);
180 int ath_cmn_process_fft(struct ath_spec_scan_priv *spec_priv, struct ieee80211_hdr *hdr,
181 struct ath_rx_status *rs, u64 tsf);
182 #else
183 static inline void ath9k_cmn_spectral_init_debug(struct ath_spec_scan_priv *spec_priv,
184 struct dentry *debugfs_phy)
185 {
186 }
187
188 static inline void ath9k_cmn_spectral_deinit_debug(struct ath_spec_scan_priv *spec_priv)
189 {
190 }
191
192 static inline void ath9k_cmn_spectral_scan_trigger(struct ath_common *common,
193 struct ath_spec_scan_priv *spec_priv)
194 {
195 }
196
197 static inline int ath_cmn_process_fft(struct ath_spec_scan_priv *spec_priv,
198 struct ieee80211_hdr *hdr,
199 struct ath_rx_status *rs, u64 tsf)
200 {
201 return 0;
202 }
203 #endif
204
205 #endif