tegrakernel/kernel/nvidia/sound/soc/tegra-alt/include/tegra210_dmic_alt.h

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2022-02-16 09:13:02 -06:00
/*
* tegra210_dmic_alt.h - Definitions for Tegra210 DMIC driver
*
* Copyright (c) 2014-2020 NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __TEGRA210_DMIC_ALT_H__
#define __TEGRA210_DMIC_ALT_H__
/* Register offsets from DMIC BASE */
#define TEGRA210_DMIC_TX_STATUS 0x0c
#define TEGRA210_DMIC_TX_INT_STATUS 0x10
#define TEGRA210_DMIC_TX_INT_MASK 0x14
#define TEGRA210_DMIC_TX_INT_SET 0x18
#define TEGRA210_DMIC_TX_INT_CLEAR 0x1c
#define TEGRA210_DMIC_TX_CIF_CTRL 0x20
#define TEGRA210_DMIC_ENABLE 0x40
#define TEGRA210_DMIC_SOFT_RESET 0x44
#define TEGRA210_DMIC_CG 0x48
#define TEGRA210_DMIC_STATUS 0x4c
#define TEGRA210_DMIC_INT_STATUS 0x50
#define TEGRA210_DMIC_CTRL 0x64
#define TEGRA210_DMIC_DBG_CTRL 0x70
#define TEGRA210_DMIC_DCR_FILTER_GAIN 0x74
#define TEGRA210_DMIC_DCR_BIQUAD_0_COEF_0 0x78
#define TEGRA210_DMIC_DCR_BIQUAD_0_COEF_1 0x7c
#define TEGRA210_DMIC_DCR_BIQUAD_0_COEF_2 0x80
#define TEGRA210_DMIC_DCR_BIQUAD_0_COEF_3 0x84
#define TEGRA210_DMIC_DCR_BIQUAD_0_COEF_4 0x88
#define TEGRA210_DMIC_LP_FILTER_GAIN 0x8c
#define TEGRA210_DMIC_LP_BIQUAD_0_COEF_0 0x90
#define TEGRA210_DMIC_LP_BIQUAD_0_COEF_1 0x94
#define TEGRA210_DMIC_LP_BIQUAD_0_COEF_2 0x98
#define TEGRA210_DMIC_LP_BIQUAD_0_COEF_3 0x9c
#define TEGRA210_DMIC_LP_BIQUAD_0_COEF_4 0xa0
#define TEGRA210_DMIC_LP_BIQUAD_1_COEF_0 0xa4
#define TEGRA210_DMIC_LP_BIQUAD_1_COEF_1 0xa8
#define TEGRA210_DMIC_LP_BIQUAD_1_COEF_2 0xac
#define TEGRA210_DMIC_LP_BIQUAD_1_COEF_3 0xb0
#define TEGRA210_DMIC_LP_BIQUAD_1_COEF_4 0xb4
#define TEGRA210_DMIC_CORRECTION_FILTER_GAIN 0xb8
#define TEGRA210_DMIC_CORRECTION_BIQUAD_0_COEF_0 0xbc
#define TEGRA210_DMIC_CORRECTION_BIQUAD_0_COEF_1 0xc0
#define TEGRA210_DMIC_CORRECTION_BIQUAD_0_COEF_2 0xc4
#define TEGRA210_DMIC_CORRECTION_BIQUAD_0_COEF_3 0xc8
#define TEGRA210_DMIC_CORRECTION_BIQUAD_0_COEF_4 0xcc
#define TEGRA210_DMIC_CORRECTION_BIQUAD_1_COEF_0 0xd0
#define TEGRA210_DMIC_CORRECTION_BIQUAD_1_COEF_1 0xd4
#define TEGRA210_DMIC_CORRECTION_BIQUAD_1_COEF_2 0xd8
#define TEGRA210_DMIC_CORRECTION_BIQUAD_1_COEF_3 0xdc
#define TEGRA210_DMIC_CORRECTION_BIQUAD_1_COEF_4 0xe0
/* Fields in TEGRA210_DMIC_CTRL */
#define CH_SEL_SHIFT 8
#define TEGRA210_DMIC_CTRL_CHANNEL_SELECT_MASK (0x3 << CH_SEL_SHIFT)
#define LRSEL_POL_SHIFT 4
#define TEGRA210_DMIC_CTRL_LRSEL_POLARITY_MASK (0x1 << LRSEL_POL_SHIFT)
#define OSR_SHIFT 0
#define TEGRA210_DMIC_CTRL_OSR_MASK (0x3 << OSR_SHIFT)
/* Fields in TEGRA210_DMIC_DBG_CTRL */
#define TEGRA210_DMIC_DBG_CTRL_DCR_ENABLE BIT(3)
#define TEGRA210_DMIC_DBG_CTRL_LP_ENABLE BIT(2)
#define TEGRA210_DMIC_DBG_CTRL_SC_ENABLE BIT(1)
#define TEGRA210_DMIC_DBG_CTRL_BYPASS BIT(0)
enum tegra_dmic_ch_select {
DMIC_CH_SELECT_LEFT,
DMIC_CH_SELECT_RIGHT,
DMIC_CH_SELECT_STEREO,
};
enum tegra_dmic_osr {
DMIC_OSR_64,
DMIC_OSR_128,
DMIC_OSR_256,
};
struct tegra210_dmic {
struct clk *clk_dmic;
struct regmap *regmap;
const char *prod_name;
int boost_gain; /* with 100x factor */
unsigned int ch_select;
unsigned int mono_to_stereo;
unsigned int stereo_to_mono;
unsigned int sample_rate_via_control;
unsigned int channels_via_control;
unsigned int osr_val; /* osr value */
int lrsel;
int format_out;
struct pinctrl *pinctrl;
struct pinctrl_state *pin_active_state;
struct pinctrl_state *pin_idle_state;
};
#endif