Release 4.11 drivers/net/wireless/ath/spectral_common.h
/*
* Copyright (c) 2013 Qualcomm Atheros, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef SPECTRAL_COMMON_H
#define SPECTRAL_COMMON_H
#define SPECTRAL_HT20_NUM_BINS 56
#define SPECTRAL_HT20_40_NUM_BINS 128
/* TODO: could possibly be 512, but no samples this large
* could be acquired so far.
*/
#define SPECTRAL_ATH10K_MAX_NUM_BINS 256
/* FFT sample format given to userspace via debugfs.
*
* Please keep the type/length at the front position and change
* other fields after adding another sample type
*
* TODO: this might need rework when switching to nl80211-based
* interface.
*/
enum ath_fft_sample_type {
ATH_FFT_SAMPLE_HT20 = 1,
ATH_FFT_SAMPLE_HT20_40,
ATH_FFT_SAMPLE_ATH10K,
};
struct fft_sample_tlv {
u8 type; /* see ath_fft_sample */
__be16 length;
/* type dependent data follows */
}
__packed;
struct fft_sample_ht20 {
struct fft_sample_tlv tlv;
u8 max_exp;
__be16 freq;
s8 rssi;
s8 noise;
__be16 max_magnitude;
u8 max_index;
u8 bitmap_weight;
__be64 tsf;
u8 data[SPECTRAL_HT20_NUM_BINS];
}
__packed;
struct fft_sample_ht20_40 {
struct fft_sample_tlv tlv;
u8 channel_type;
__be16 freq;
s8 lower_rssi;
s8 upper_rssi;
__be64 tsf;
s8 lower_noise;
s8 upper_noise;
__be16 lower_max_magnitude;
__be16 upper_max_magnitude;
u8 lower_max_index;
u8 upper_max_index;
u8 lower_bitmap_weight;
u8 upper_bitmap_weight;
u8 max_exp;
u8 data[SPECTRAL_HT20_40_NUM_BINS];
}
__packed;
struct fft_sample_ath10k {
struct fft_sample_tlv tlv;
u8 chan_width_mhz;
__be16 freq1;
__be16 freq2;
__be16 noise;
__be16 max_magnitude;
__be16 total_gain_db;
__be16 base_pwr_db;
__be64 tsf;
s8 max_index;
u8 rssi;
u8 relpwr_db;
u8 avgpwr_db;
u8 max_exp;
u8 data[0];
}
__packed;
#endif /* SPECTRAL_COMMON_H */
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