drivers/net/wireless/ath/ath11k/spectral.h

   1 /* SPDX-License-Identifier: BSD-3-Clause-Clear */
   2 /*
   3  * Copyright (c) 2019-2020 The Linux Foundation. All rights reserved.
   4  * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
   5  */
   6
   7 #ifndef ATH11K_SPECTRAL_H
   8 #define ATH11K_SPECTRAL_H
   9
  10 #include "../spectral_common.h"
  11 #include "dbring.h"
  12
  13 /* enum ath11k_spectral_mode:
  14  *
  15  * @SPECTRAL_DISABLED: spectral mode is disabled
  16  * @SPECTRAL_BACKGROUND: hardware sends samples when it is not busy with
  17  *      something else.
  18  * @SPECTRAL_MANUAL: spectral scan is enabled, triggering for samples
  19  *      is performed manually.
  20  */
  21 enum ath11k_spectral_mode {
  22         ATH11K_SPECTRAL_DISABLED = 0,
  23         ATH11K_SPECTRAL_BACKGROUND,
  24         ATH11K_SPECTRAL_MANUAL,
  25 };
  26
  27 struct ath11k_spectral {
  28         struct ath11k_dbring rx_ring;
  29         /* Protects enabled */
  30         spinlock_t lock;
  31         struct rchan *rfs_scan; /* relay(fs) channel for spectral scan */
  32         struct dentry *scan_ctl;
  33         struct dentry *scan_count;
  34         struct dentry *scan_bins;
  35         enum ath11k_spectral_mode mode;
  36         u16 count;
  37         u8 fft_size;
  38         bool enabled;
  39         bool is_primary;
  40 };
  41
  42 #ifdef CONFIG_ATH11K_SPECTRAL
  43
  44 int ath11k_spectral_init(struct ath11k_base *ab);
  45 void ath11k_spectral_deinit(struct ath11k_base *ab);
  46 int ath11k_spectral_vif_stop(struct ath11k_vif *arvif);
  47 void ath11k_spectral_reset_buffer(struct ath11k *ar);
  48 enum ath11k_spectral_mode ath11k_spectral_get_mode(struct ath11k *ar);
  49 struct ath11k_dbring *ath11k_spectral_get_dbring(struct ath11k *ar);
  50
  51 #else
  52
  53 static inline int ath11k_spectral_init(struct ath11k_base *ab)
  54 {
  55         return 0;
  56 }
  57
  58 static inline void ath11k_spectral_deinit(struct ath11k_base *ab)
  59 {
  60 }
  61
  62 static inline int ath11k_spectral_vif_stop(struct ath11k_vif *arvif)
  63 {
  64         return 0;
  65 }
  66
  67 static inline void ath11k_spectral_reset_buffer(struct ath11k *ar)
  68 {
  69 }
  70
  71 static inline
  72 enum ath11k_spectral_mode ath11k_spectral_get_mode(struct ath11k *ar)
  73 {
  74         return ATH11K_SPECTRAL_DISABLED;
  75 }
  76
  77 static inline
  78 struct ath11k_dbring *ath11k_spectral_get_dbring(struct ath11k *ar)
  79 {
  80         return NULL;
  81 }
  82
  83 #endif /* CONFIG_ATH11K_SPECTRAL */
  84 #endif /* ATH11K_SPECTRAL_H */