1 files changed, 82 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath11k/spectral.h b/drivers/net/wireless/ath/ath11k/spectral.h
new file mode 100644
index 000000000..081744265
--- /dev/null
+++ b/drivers/net/wireless/ath/ath11k/spectral.h
@@ -0,0 +1,82 @@
+/* SPDX-License-Identifier: BSD-3-Clause-Clear */
+/*
+ * Copyright (c) 2019-2020 The Linux Foundation. All rights reserved.
+ */
+
+#ifndef ATH11K_SPECTRAL_H
+#define ATH11K_SPECTRAL_H
+
+#include "../spectral_common.h"
+#include "dbring.h"
+
+/* enum ath11k_spectral_mode:
+ *
+ * @SPECTRAL_DISABLED: spectral mode is disabled
+ * @SPECTRAL_BACKGROUND: hardware sends samples when it is not busy with
+ *	something else.
+ * @SPECTRAL_MANUAL: spectral scan is enabled, triggering for samples
+ *	is performed manually.
+ */
+enum ath11k_spectral_mode {
+	ATH11K_SPECTRAL_DISABLED = 0,
+	ATH11K_SPECTRAL_BACKGROUND,
+	ATH11K_SPECTRAL_MANUAL,
+};
+
+struct ath11k_spectral {
+	struct ath11k_dbring rx_ring;
+	/* Protects enabled */
+	spinlock_t lock;
+	struct rchan *rfs_scan;	/* relay(fs) channel for spectral scan */
+	struct dentry *scan_ctl;
+	struct dentry *scan_count;
+	struct dentry *scan_bins;
+	enum ath11k_spectral_mode mode;
+	u16 count;
+	u8 fft_size;
+	bool enabled;
+};
+
+#ifdef CONFIG_ATH11K_SPECTRAL
+
+int ath11k_spectral_init(struct ath11k_base *ab);
+void ath11k_spectral_deinit(struct ath11k_base *ab);
+int ath11k_spectral_vif_stop(struct ath11k_vif *arvif);
+void ath11k_spectral_reset_buffer(struct ath11k *ar);
+enum ath11k_spectral_mode ath11k_spectral_get_mode(struct ath11k *ar);
+struct ath11k_dbring *ath11k_spectral_get_dbring(struct ath11k *ar);
+
+#else
+
+static inline int ath11k_spectral_init(struct ath11k_base *ab)
+{
+	return 0;
+}
+
+static inline void ath11k_spectral_deinit(struct ath11k_base *ab)
+{
+}
+
+static inline int ath11k_spectral_vif_stop(struct ath11k_vif *arvif)
+{
+	return 0;
+}
+
+static inline void ath11k_spectral_reset_buffer(struct ath11k *ar)
+{
+}
+
+static inline
+enum ath11k_spectral_mode ath11k_spectral_get_mode(struct ath11k *ar)
+{
+	return ATH11K_SPECTRAL_DISABLED;
+}
+
+static inline
+struct ath11k_dbring *ath11k_spectral_get_dbring(struct ath11k *ar)
+{
+	return NULL;
+}
+
+#endif /* CONFIG_ATH11K_SPECTRAL */
+#endif /* ATH11K_SPECTRAL_H */