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| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
|---|---|
| 2 | /* |
| 3 | * Copyright (C) 2024 Cirrus Logic, Inc. and |
| 4 | * Cirrus Logic International Semiconductor Ltd. |
| 5 | */ |
| 6 | |
| 7 | #ifndef CS_AMP_LIB_H |
| 8 | #define CS_AMP_LIB_H |
| 9 | |
| 10 | #include <linux/efi.h> |
| 11 | #include <linux/types.h> |
| 12 | |
| 13 | struct cs_dsp; |
| 14 | |
| 15 | struct cirrus_amp_cal_data { |
| 16 | u32 calTarget[2]; |
| 17 | u32 calTime[2]; |
| 18 | s8 calAmbient; |
| 19 | u8 calStatus; |
| 20 | u16 calR; |
| 21 | } __packed; |
| 22 | |
| 23 | struct cirrus_amp_efi_data { |
| 24 | u32 size; |
| 25 | u32 count; |
| 26 | struct cirrus_amp_cal_data data[]; |
| 27 | } __packed; |
| 28 | |
| 29 | /** |
| 30 | * struct cirrus_amp_cal_controls - definition of firmware calibration controls |
| 31 | * @alg_id: ID of algorithm containing the controls. |
| 32 | * @mem_region: DSP memory region containing the controls. |
| 33 | * @ambient: Name of control for calAmbient value. |
| 34 | * @calr: Name of control for calR value. |
| 35 | * @status: Name of control for calStatus value. |
| 36 | * @checksum: Name of control for checksum value. |
| 37 | */ |
| 38 | struct cirrus_amp_cal_controls { |
| 39 | unsigned int alg_id; |
| 40 | int mem_region; |
| 41 | const char *ambient; |
| 42 | const char *calr; |
| 43 | const char *status; |
| 44 | const char *checksum; |
| 45 | }; |
| 46 | |
| 47 | int cs_amp_write_cal_coeffs(struct cs_dsp *dsp, |
| 48 | const struct cirrus_amp_cal_controls *controls, |
| 49 | const struct cirrus_amp_cal_data *data); |
| 50 | int cs_amp_get_efi_calibration_data(struct device *dev, u64 target_uid, int amp_index, |
| 51 | struct cirrus_amp_cal_data *out_data); |
| 52 | |
| 53 | struct cs_amp_test_hooks { |
| 54 | efi_status_t (*get_efi_variable)(efi_char16_t *name, |
| 55 | efi_guid_t *guid, |
| 56 | unsigned long *size, |
| 57 | void *buf); |
| 58 | |
| 59 | int (*write_cal_coeff)(struct cs_dsp *dsp, |
| 60 | const struct cirrus_amp_cal_controls *controls, |
| 61 | const char *ctl_name, u32 val); |
| 62 | }; |
| 63 | |
| 64 | extern const struct cs_amp_test_hooks * const cs_amp_test_hooks; |
| 65 | |
| 66 | #endif /* CS_AMP_LIB_H */ |
| 67 |
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