original_kernel/include/sound/cs-amp-lib.h

67 lines
1.7 KiB
C

/* 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 */