1 files changed, 66 insertions, 0 deletions
diff --git a/include/sound/cs-amp-lib.h b/include/sound/cs-amp-lib.h
new file mode 100644
index 0000000000..f481148735
--- /dev/null
+++ b/include/sound/cs-amp-lib.h
@@ -0,0 +1,66 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2024 Cirrus Logic, Inc. and
+ *                    Cirrus Logic International Semiconductor Ltd.
+ */
+
+#ifndef CS_AMP_LIB_H
+#define CS_AMP_LIB_H
+
+#include <linux/efi.h>
+#include <linux/types.h>
+
+struct cs_dsp;
+
+struct cirrus_amp_cal_data {
+	u32 calTarget[2];
+	u32 calTime[2];
+	s8  calAmbient;
+	u8  calStatus;
+	u16 calR;
+} __packed;
+
+struct cirrus_amp_efi_data {
+	u32 size;
+	u32 count;
+	struct cirrus_amp_cal_data data[];
+} __packed;
+
+/**
+ * struct cirrus_amp_cal_controls - definition of firmware calibration controls
+ * @alg_id:	ID of algorithm containing the controls.
+ * @mem_region:	DSP memory region containing the controls.
+ * @ambient:	Name of control for calAmbient value.
+ * @calr:	Name of control for calR value.
+ * @status:	Name of control for calStatus value.
+ * @checksum:	Name of control for checksum value.
+ */
+struct cirrus_amp_cal_controls {
+	unsigned int alg_id;
+	int mem_region;
+	const char *ambient;
+	const char *calr;
+	const char *status;
+	const char *checksum;
+};
+
+int cs_amp_write_cal_coeffs(struct cs_dsp *dsp,
+			    const struct cirrus_amp_cal_controls *controls,
+			    const struct cirrus_amp_cal_data *data);
+int cs_amp_get_efi_calibration_data(struct device *dev, u64 target_uid, int amp_index,
+				    struct cirrus_amp_cal_data *out_data);
+
+struct cs_amp_test_hooks {
+	efi_status_t (*get_efi_variable)(efi_char16_t *name,
+					 efi_guid_t *guid,
+					 unsigned long *size,
+					 void *buf);
+
+	int (*write_cal_coeff)(struct cs_dsp *dsp,
+			       const struct cirrus_amp_cal_controls *controls,
+			       const char *ctl_name, u32 val);
+};
+
+extern const struct cs_amp_test_hooks * const cs_amp_test_hooks;
+
+#endif /* CS_AMP_LIB_H */