drivers/net/wireless/ath/ath10k/spectral.h

   1 /*
   2  * Copyright (c) 2013 Qualcomm Atheros, 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 SPECTRAL_H
  18 #define SPECTRAL_H
  19
  20 #include "../spectral_common.h"
  21
  22 /**
  23  * struct ath10k_spec_scan - parameters for Atheros spectral scan
  24  *
  25  * @count: number of scan results requested for manual mode
  26  * @fft_size: number of bins to be requested = 2^(fft_size - bin_scale)
  27  */
  28 struct ath10k_spec_scan {
  29         u8 count;
  30         u8 fft_size;
  31 };
  32
  33 /* enum ath10k_spectral_mode:
  34  *
  35  * @SPECTRAL_DISABLED: spectral mode is disabled
  36  * @SPECTRAL_BACKGROUND: hardware sends samples when it is not busy with
  37  *      something else.
  38  * @SPECTRAL_MANUAL: spectral scan is enabled, triggering for samples
  39  *      is performed manually.
  40  */
  41 enum ath10k_spectral_mode {
  42         SPECTRAL_DISABLED = 0,
  43         SPECTRAL_BACKGROUND,
  44         SPECTRAL_MANUAL,
  45 };
  46
  47 #ifdef CONFIG_ATH10K_DEBUGFS
  48
  49 int ath10k_spectral_process_fft(struct ath10k *ar,
  50                                 struct wmi_phyerr_ev_arg *phyerr,
  51                                 const struct phyerr_fft_report *fftr,
  52                                 size_t bin_len, u64 tsf);
  53 int ath10k_spectral_start(struct ath10k *ar);
  54 int ath10k_spectral_vif_stop(struct ath10k_vif *arvif);
  55 int ath10k_spectral_create(struct ath10k *ar);
  56 void ath10k_spectral_destroy(struct ath10k *ar);
  57
  58 #else
  59
  60 static inline int
  61 ath10k_spectral_process_fft(struct ath10k *ar,
  62                             struct wmi_phyerr_ev_arg *phyerr,
  63                             const struct phyerr_fft_report *fftr,
  64                             size_t bin_len, u64 tsf)
  65 {
  66         return 0;
  67 }
  68
  69 static inline int ath10k_spectral_start(struct ath10k *ar)
  70 {
  71         return 0;
  72 }
  73
  74 static inline int ath10k_spectral_vif_stop(struct ath10k_vif *arvif)
  75 {
  76         return 0;
  77 }
  78
  79 static inline int ath10k_spectral_create(struct ath10k *ar)
  80 {
  81         return 0;
  82 }
  83
  84 static inline void ath10k_spectral_destroy(struct ath10k *ar)
  85 {
  86 }
  87
  88 #endif /* CONFIG_ATH10K_DEBUGFS */
  89
  90 #endif /* SPECTRAL_H */