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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 */
20enum ath11k_spectral_mode {
21 ATH11K_SPECTRAL_DISABLED = 0,
22 ATH11K_SPECTRAL_BACKGROUND,
23 ATH11K_SPECTRAL_MANUAL,
24};
25
26struct 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};
39
40#ifdef CONFIG_ATH11K_SPECTRAL
41
42int ath11k_spectral_init(struct ath11k_base *ab);
43void ath11k_spectral_deinit(struct ath11k_base *ab);
44int ath11k_spectral_vif_stop(struct ath11k_vif *arvif);
45void ath11k_spectral_reset_buffer(struct ath11k *ar);
46enum ath11k_spectral_mode ath11k_spectral_get_mode(struct ath11k *ar);
47struct ath11k_dbring *ath11k_spectral_get_dbring(struct ath11k *ar);
48
49#else
50
51static inline int ath11k_spectral_init(struct ath11k_base *ab)
52{
53 return 0;
54}
55
56static inline void ath11k_spectral_deinit(struct ath11k_base *ab)
57{
58}
59
60static inline int ath11k_spectral_vif_stop(struct ath11k_vif *arvif)
61{
62 return 0;
63}
64
65static inline void ath11k_spectral_reset_buffer(struct ath11k *ar)
66{
67}
68
69static inline
70enum ath11k_spectral_mode ath11k_spectral_get_mode(struct ath11k *ar)
71{
72 return ATH11K_SPECTRAL_DISABLED;
73}
74
75static inline
76struct ath11k_dbring *ath11k_spectral_get_dbring(struct ath11k *ar)
77{
78 return NULL;
79}
80
81#endif /* CONFIG_ATH11K_SPECTRAL */
82#endif /* ATH11K_SPECTRAL_H */