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