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1/*2 * Copyright (c) 2013 Qualcomm Atheros, Inc.3 *4 * Permission to use, copy, modify, and/or distribute this software for any5 * purpose with or without fee is hereby granted, provided that the above6 * copyright notice and this permission notice appear in all copies.7 *8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.15 */16 17#ifndef SPECTRAL_COMMON_H18#define SPECTRAL_COMMON_H19 20#define SPECTRAL_HT20_NUM_BINS 5621#define SPECTRAL_HT20_40_NUM_BINS 12822 23/* TODO: could possibly be 512, but no samples this large24 * could be acquired so far.25 */26#define SPECTRAL_ATH10K_MAX_NUM_BINS 25627 28/* FFT sample format given to userspace via debugfs.29 *30 * Please keep the type/length at the front position and change31 * other fields after adding another sample type32 *33 * TODO: this might need rework when switching to nl80211-based34 * interface.35 */36enum ath_fft_sample_type {37 ATH_FFT_SAMPLE_HT20 = 1,38 ATH_FFT_SAMPLE_HT20_40,39 ATH_FFT_SAMPLE_ATH10K,40 ATH_FFT_SAMPLE_ATH11K41};42 43struct fft_sample_tlv {44 u8 type; /* see ath_fft_sample */45 __be16 length;46 /* type dependent data follows */47} __packed;48 49struct fft_sample_ht20 {50 struct fft_sample_tlv tlv;51 52 u8 max_exp;53 54 __be16 freq;55 s8 rssi;56 s8 noise;57 58 __be16 max_magnitude;59 u8 max_index;60 u8 bitmap_weight;61 62 __be64 tsf;63 64 u8 data[SPECTRAL_HT20_NUM_BINS];65} __packed;66 67struct fft_sample_ht20_40 {68 struct fft_sample_tlv tlv;69 70 u8 channel_type;71 __be16 freq;72 73 s8 lower_rssi;74 s8 upper_rssi;75 76 __be64 tsf;77 78 s8 lower_noise;79 s8 upper_noise;80 81 __be16 lower_max_magnitude;82 __be16 upper_max_magnitude;83 84 u8 lower_max_index;85 u8 upper_max_index;86 87 u8 lower_bitmap_weight;88 u8 upper_bitmap_weight;89 90 u8 max_exp;91 92 u8 data[SPECTRAL_HT20_40_NUM_BINS];93} __packed;94 95struct fft_sample_ath10k {96 struct fft_sample_tlv tlv;97 u8 chan_width_mhz;98 __be16 freq1;99 __be16 freq2;100 __be16 noise;101 __be16 max_magnitude;102 __be16 total_gain_db;103 __be16 base_pwr_db;104 __be64 tsf;105 s8 max_index;106 u8 rssi;107 u8 relpwr_db;108 u8 avgpwr_db;109 u8 max_exp;110 111 u8 data[];112} __packed;113 114struct fft_sample_ath11k {115 struct fft_sample_tlv tlv;116 u8 chan_width_mhz;117 s8 max_index;118 u8 max_exp;119 __be16 freq1;120 __be16 freq2;121 __be16 max_magnitude;122 __be16 rssi;123 __be32 tsf;124 __be32 noise;125 126 u8 data[];127} __packed;128 129#endif /* SPECTRAL_COMMON_H */130