| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * tegra210_peq.h - Definitions for Tegra210 PEQ driver |
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| 4 | * |
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| 5 | * Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved. |
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| 6 | * |
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| 7 | */ |
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| 8 | |
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| 9 | #ifndef __TEGRA210_PEQ_H__ |
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| 10 | #define __TEGRA210_PEQ_H__ |
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| 11 | |
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| 12 | #include <linux/platform_device.h> |
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| 13 | #include <linux/regmap.h> |
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| 14 | #include <sound/soc.h> |
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| 15 | |
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| 16 | /* Register offsets from PEQ base */ |
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| 17 | #define TEGRA210_PEQ_SOFT_RESET 0x0 |
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| 18 | #define TEGRA210_PEQ_CG 0x4 |
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| 19 | #define TEGRA210_PEQ_STATUS 0x8 |
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| 20 | #define TEGRA210_PEQ_CFG 0xc |
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| 21 | #define TEGRA210_PEQ_CFG_RAM_CTRL 0x10 |
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| 22 | #define TEGRA210_PEQ_CFG_RAM_DATA 0x14 |
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| 23 | #define TEGRA210_PEQ_CFG_RAM_SHIFT_CTRL 0x18 |
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| 24 | #define TEGRA210_PEQ_CFG_RAM_SHIFT_DATA 0x1c |
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| 25 | |
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| 26 | /* Fields in TEGRA210_PEQ_CFG */ |
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| 27 | #define TEGRA210_PEQ_CFG_BIQUAD_STAGES_SHIFT 2 |
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| 28 | #define TEGRA210_PEQ_CFG_BIQUAD_STAGES_MASK (0xf << TEGRA210_PEQ_CFG_BIQUAD_STAGES_SHIFT) |
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| 29 | |
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| 30 | #define TEGRA210_PEQ_CFG_MODE_SHIFT 0 |
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| 31 | #define TEGRA210_PEQ_CFG_MODE_MASK (0x1 << TEGRA210_PEQ_CFG_MODE_SHIFT) |
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| 32 | |
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| 33 | #define TEGRA210_PEQ_RAM_CTRL_RW_READ 0 |
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| 34 | #define TEGRA210_PEQ_RAM_CTRL_RW_WRITE (1 << 14) |
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| 35 | #define TEGRA210_PEQ_RAM_CTRL_ADDR_INIT_EN (1 << 13) |
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| 36 | #define TEGRA210_PEQ_RAM_CTRL_SEQ_ACCESS_EN (1 << 12) |
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| 37 | #define TEGRA210_PEQ_RAM_CTRL_RAM_ADDR_MASK 0x1ff |
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| 38 | |
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| 39 | /* PEQ register definition ends here */ |
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| 40 | #define TEGRA210_PEQ_MAX_BIQUAD_STAGES 12 |
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| 41 | |
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| 42 | #define TEGRA210_PEQ_MAX_CHANNELS 8 |
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| 43 | |
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| 44 | #define TEGRA210_PEQ_BIQUAD_INIT_STAGE 5 |
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| 45 | |
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| 46 | #define TEGRA210_PEQ_GAIN_PARAM_SIZE_PER_CH (2 + TEGRA210_PEQ_MAX_BIQUAD_STAGES * 5) |
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| 47 | #define TEGRA210_PEQ_SHIFT_PARAM_SIZE_PER_CH (2 + TEGRA210_PEQ_MAX_BIQUAD_STAGES) |
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| 48 | |
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| 49 | int tegra210_peq_regmap_init(struct platform_device *pdev); |
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| 50 | int tegra210_peq_component_init(struct snd_soc_component *cmpnt); |
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| 51 | void tegra210_peq_restore(struct regmap *regmap, u32 *biquad_gains, |
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| 52 | u32 *biquad_shifts); |
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| 53 | void tegra210_peq_save(struct regmap *regmap, u32 *biquad_gains, |
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| 54 | u32 *biquad_shifts); |
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| 55 | |
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| 56 | #endif |
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| 57 | |
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