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82 lines
2.2 KiB
82 lines
2.2 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* tegra210_dmic.h - Definitions for Tegra210 DMIC driver |
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* |
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* Copyright (c) 2020 NVIDIA CORPORATION. All rights reserved. |
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* |
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*/ |
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#ifndef __TEGRA210_DMIC_H__ |
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#define __TEGRA210_DMIC_H__ |
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/* Register offsets from DMIC BASE */ |
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#define TEGRA210_DMIC_TX_STATUS 0x0c |
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#define TEGRA210_DMIC_TX_INT_STATUS 0x10 |
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#define TEGRA210_DMIC_TX_INT_MASK 0x14 |
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#define TEGRA210_DMIC_TX_INT_SET 0x18 |
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#define TEGRA210_DMIC_TX_INT_CLEAR 0x1c |
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#define TEGRA210_DMIC_TX_CIF_CTRL 0x20 |
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#define TEGRA210_DMIC_ENABLE 0x40 |
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#define TEGRA210_DMIC_SOFT_RESET 0x44 |
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#define TEGRA210_DMIC_CG 0x48 |
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#define TEGRA210_DMIC_STATUS 0x4c |
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#define TEGRA210_DMIC_INT_STATUS 0x50 |
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#define TEGRA210_DMIC_CTRL 0x64 |
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#define TEGRA210_DMIC_DBG_CTRL 0x70 |
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#define TEGRA210_DMIC_DCR_BIQUAD_0_COEF_4 0x88 |
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#define TEGRA210_DMIC_LP_FILTER_GAIN 0x8c |
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#define TEGRA210_DMIC_LP_BIQUAD_0_COEF_0 0x90 |
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#define TEGRA210_DMIC_LP_BIQUAD_0_COEF_1 0x94 |
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#define TEGRA210_DMIC_LP_BIQUAD_0_COEF_2 0x98 |
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#define TEGRA210_DMIC_LP_BIQUAD_0_COEF_3 0x9c |
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#define TEGRA210_DMIC_LP_BIQUAD_0_COEF_4 0xa0 |
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#define TEGRA210_DMIC_LP_BIQUAD_1_COEF_0 0xa4 |
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#define TEGRA210_DMIC_LP_BIQUAD_1_COEF_1 0xa8 |
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#define TEGRA210_DMIC_LP_BIQUAD_1_COEF_2 0xac |
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#define TEGRA210_DMIC_LP_BIQUAD_1_COEF_3 0xb0 |
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#define TEGRA210_DMIC_LP_BIQUAD_1_COEF_4 0xb4 |
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/* Fields in TEGRA210_DMIC_CTRL */ |
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#define CH_SEL_SHIFT 8 |
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#define TEGRA210_DMIC_CTRL_CHANNEL_SELECT_MASK (0x3 << CH_SEL_SHIFT) |
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#define LRSEL_POL_SHIFT 4 |
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#define TEGRA210_DMIC_CTRL_LRSEL_POLARITY_MASK (0x1 << LRSEL_POL_SHIFT) |
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#define OSR_SHIFT 0 |
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#define TEGRA210_DMIC_CTRL_OSR_MASK (0x3 << OSR_SHIFT) |
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#define DMIC_OSR_FACTOR 64 |
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#define DEFAULT_GAIN_Q23 0x800000 |
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/* Max boost gain factor used for mixer control */ |
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#define MAX_BOOST_GAIN 25599 |
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enum tegra_dmic_ch_select { |
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DMIC_CH_SELECT_LEFT, |
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DMIC_CH_SELECT_RIGHT, |
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DMIC_CH_SELECT_STEREO, |
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}; |
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enum tegra_dmic_osr { |
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DMIC_OSR_64, |
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DMIC_OSR_128, |
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DMIC_OSR_256, |
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}; |
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enum tegra_dmic_lrsel { |
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DMIC_LRSEL_LEFT, |
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DMIC_LRSEL_RIGHT, |
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}; |
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struct tegra210_dmic { |
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struct clk *clk_dmic; |
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struct regmap *regmap; |
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unsigned int mono_to_stereo; |
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unsigned int stereo_to_mono; |
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unsigned int boost_gain; |
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unsigned int ch_select; |
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unsigned int osr_val; |
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unsigned int lrsel; |
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}; |
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#endif
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