1341 lines
42 KiB
C
1341 lines
42 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* This driver supports the digital controls for the internal codec
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* found in Allwinner's A33 SoCs.
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*
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* (C) Copyright 2010-2016
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* Reuuimlla Technology Co., Ltd. <www.reuuimllatech.com>
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* huangxin <huangxin@Reuuimllatech.com>
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* Mylène Josserand <mylene.josserand@free-electrons.com>
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*/
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#include <linux/module.h>
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#include <linux/delay.h>
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#include <linux/clk.h>
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#include <linux/io.h>
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#include <linux/of_device.h>
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#include <linux/pm_runtime.h>
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#include <linux/regmap.h>
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#include <linux/log2.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include <sound/soc-dapm.h>
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#define SUN8I_SYSCLK_CTL 0x00c
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#define SUN8I_SYSCLK_CTL_AIF1CLK_ENA 11
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#define SUN8I_SYSCLK_CTL_AIF1CLK_SRC_PLL (0x2 << 8)
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#define SUN8I_SYSCLK_CTL_AIF2CLK_ENA 7
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#define SUN8I_SYSCLK_CTL_AIF2CLK_SRC_PLL (0x2 << 4)
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#define SUN8I_SYSCLK_CTL_SYSCLK_ENA 3
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#define SUN8I_SYSCLK_CTL_SYSCLK_SRC 0
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#define SUN8I_SYSCLK_CTL_SYSCLK_SRC_AIF1CLK (0x0 << 0)
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#define SUN8I_SYSCLK_CTL_SYSCLK_SRC_AIF2CLK (0x1 << 0)
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#define SUN8I_MOD_CLK_ENA 0x010
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#define SUN8I_MOD_CLK_ENA_AIF1 15
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#define SUN8I_MOD_CLK_ENA_AIF2 14
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#define SUN8I_MOD_CLK_ENA_AIF3 13
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#define SUN8I_MOD_CLK_ENA_ADC 3
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#define SUN8I_MOD_CLK_ENA_DAC 2
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#define SUN8I_MOD_RST_CTL 0x014
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#define SUN8I_MOD_RST_CTL_AIF1 15
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#define SUN8I_MOD_RST_CTL_AIF2 14
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#define SUN8I_MOD_RST_CTL_AIF3 13
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#define SUN8I_MOD_RST_CTL_ADC 3
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#define SUN8I_MOD_RST_CTL_DAC 2
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#define SUN8I_SYS_SR_CTRL 0x018
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#define SUN8I_SYS_SR_CTRL_AIF1_FS 12
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#define SUN8I_SYS_SR_CTRL_AIF2_FS 8
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#define SUN8I_AIF_CLK_CTRL(n) (0x040 * (1 + (n)))
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#define SUN8I_AIF_CLK_CTRL_MSTR_MOD 15
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#define SUN8I_AIF_CLK_CTRL_CLK_INV 13
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#define SUN8I_AIF_CLK_CTRL_BCLK_DIV 9
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#define SUN8I_AIF_CLK_CTRL_LRCK_DIV 6
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#define SUN8I_AIF_CLK_CTRL_WORD_SIZ 4
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#define SUN8I_AIF_CLK_CTRL_DATA_FMT 2
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#define SUN8I_AIF1_ADCDAT_CTRL 0x044
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#define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_ENA 15
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#define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_ENA 14
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#define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_SRC 10
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#define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_SRC 8
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#define SUN8I_AIF1_DACDAT_CTRL 0x048
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#define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_ENA 15
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#define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_ENA 14
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#define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_SRC 10
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#define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_SRC 8
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#define SUN8I_AIF1_MXR_SRC 0x04c
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#define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF1DA0L 15
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#define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACL 14
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#define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_ADCL 13
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#define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACR 12
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#define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF1DA0R 11
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#define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACR 10
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#define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_ADCR 9
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#define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACL 8
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#define SUN8I_AIF2_ADCDAT_CTRL 0x084
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#define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_ENA 15
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#define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_ENA 14
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#define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_SRC 10
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#define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_SRC 8
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#define SUN8I_AIF2_DACDAT_CTRL 0x088
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#define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_ENA 15
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#define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_ENA 14
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#define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_SRC 10
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#define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_SRC 8
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#define SUN8I_AIF2_MXR_SRC 0x08c
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#define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA0L 15
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#define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA1L 14
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#define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF2DACR 13
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#define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_ADCL 12
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#define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA0R 11
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#define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA1R 10
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#define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF2DACL 9
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#define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_ADCR 8
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#define SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_AIF1 (0x0 << 0)
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#define SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_AIF2 (0x1 << 0)
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#define SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_AIF1CLK (0x2 << 0)
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#define SUN8I_AIF3_PATH_CTRL 0x0cc
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#define SUN8I_AIF3_PATH_CTRL_AIF3_ADC_SRC 10
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#define SUN8I_AIF3_PATH_CTRL_AIF2_DAC_SRC 8
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#define SUN8I_AIF3_PATH_CTRL_AIF3_PINS_TRI 7
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#define SUN8I_ADC_DIG_CTRL 0x100
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#define SUN8I_ADC_DIG_CTRL_ENAD 15
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#define SUN8I_ADC_DIG_CTRL_ADOUT_DTS 2
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#define SUN8I_ADC_DIG_CTRL_ADOUT_DLY 1
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#define SUN8I_DAC_DIG_CTRL 0x120
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#define SUN8I_DAC_DIG_CTRL_ENDA 15
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#define SUN8I_DAC_MXR_SRC 0x130
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#define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA0L 15
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#define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA1L 14
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#define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF2DACL 13
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#define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_ADCL 12
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#define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA0R 11
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#define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA1R 10
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#define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF2DACR 9
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#define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_ADCR 8
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#define SUN8I_SYSCLK_CTL_AIF1CLK_SRC_MASK GENMASK(9, 8)
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#define SUN8I_SYSCLK_CTL_AIF2CLK_SRC_MASK GENMASK(5, 4)
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#define SUN8I_SYS_SR_CTRL_AIF1_FS_MASK GENMASK(15, 12)
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#define SUN8I_SYS_SR_CTRL_AIF2_FS_MASK GENMASK(11, 8)
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#define SUN8I_AIF_CLK_CTRL_CLK_INV_MASK GENMASK(14, 13)
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#define SUN8I_AIF_CLK_CTRL_BCLK_DIV_MASK GENMASK(12, 9)
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#define SUN8I_AIF_CLK_CTRL_LRCK_DIV_MASK GENMASK(8, 6)
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#define SUN8I_AIF_CLK_CTRL_WORD_SIZ_MASK GENMASK(5, 4)
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#define SUN8I_AIF_CLK_CTRL_DATA_FMT_MASK GENMASK(3, 2)
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#define SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_MASK GENMASK(1, 0)
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#define SUN8I_CODEC_PASSTHROUGH_SAMPLE_RATE 48000
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#define SUN8I_CODEC_PCM_FORMATS (SNDRV_PCM_FMTBIT_S8 |\
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SNDRV_PCM_FMTBIT_S16_LE |\
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SNDRV_PCM_FMTBIT_S20_LE |\
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SNDRV_PCM_FMTBIT_S24_LE |\
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SNDRV_PCM_FMTBIT_S20_3LE|\
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SNDRV_PCM_FMTBIT_S24_3LE)
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#define SUN8I_CODEC_PCM_RATES (SNDRV_PCM_RATE_8000_48000|\
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SNDRV_PCM_RATE_88200 |\
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SNDRV_PCM_RATE_96000 |\
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SNDRV_PCM_RATE_176400 |\
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SNDRV_PCM_RATE_192000 |\
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SNDRV_PCM_RATE_KNOT)
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enum {
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SUN8I_CODEC_AIF1,
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SUN8I_CODEC_AIF2,
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SUN8I_CODEC_AIF3,
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SUN8I_CODEC_NAIFS
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};
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struct sun8i_codec_aif {
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unsigned int lrck_div_order;
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unsigned int sample_rate;
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unsigned int slots;
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unsigned int slot_width;
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unsigned int active_streams : 2;
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unsigned int open_streams : 2;
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};
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struct sun8i_codec_quirks {
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bool legacy_widgets : 1;
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bool lrck_inversion : 1;
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};
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struct sun8i_codec {
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struct regmap *regmap;
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struct clk *clk_module;
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const struct sun8i_codec_quirks *quirks;
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struct sun8i_codec_aif aifs[SUN8I_CODEC_NAIFS];
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unsigned int sysclk_rate;
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int sysclk_refcnt;
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};
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static struct snd_soc_dai_driver sun8i_codec_dais[];
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static int sun8i_codec_runtime_resume(struct device *dev)
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{
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struct sun8i_codec *scodec = dev_get_drvdata(dev);
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int ret;
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regcache_cache_only(scodec->regmap, false);
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ret = regcache_sync(scodec->regmap);
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if (ret) {
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dev_err(dev, "Failed to sync regmap cache\n");
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return ret;
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}
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return 0;
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}
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static int sun8i_codec_runtime_suspend(struct device *dev)
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{
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struct sun8i_codec *scodec = dev_get_drvdata(dev);
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regcache_cache_only(scodec->regmap, true);
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regcache_mark_dirty(scodec->regmap);
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return 0;
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}
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static int sun8i_codec_get_hw_rate(unsigned int sample_rate)
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{
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switch (sample_rate) {
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case 7350:
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case 8000:
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return 0x0;
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case 11025:
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return 0x1;
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case 12000:
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return 0x2;
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case 14700:
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case 16000:
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return 0x3;
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case 22050:
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return 0x4;
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case 24000:
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return 0x5;
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case 29400:
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case 32000:
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return 0x6;
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case 44100:
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return 0x7;
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case 48000:
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return 0x8;
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case 88200:
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case 96000:
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return 0x9;
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case 176400:
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case 192000:
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return 0xa;
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default:
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return -EINVAL;
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}
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}
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static int sun8i_codec_update_sample_rate(struct sun8i_codec *scodec)
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{
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unsigned int max_rate = 0;
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int hw_rate, i;
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for (i = SUN8I_CODEC_AIF1; i < SUN8I_CODEC_NAIFS; ++i) {
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struct sun8i_codec_aif *aif = &scodec->aifs[i];
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if (aif->active_streams)
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max_rate = max(max_rate, aif->sample_rate);
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}
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/* Set the sample rate for ADC->DAC passthrough when no AIF is active. */
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if (!max_rate)
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max_rate = SUN8I_CODEC_PASSTHROUGH_SAMPLE_RATE;
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hw_rate = sun8i_codec_get_hw_rate(max_rate);
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if (hw_rate < 0)
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return hw_rate;
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regmap_update_bits(scodec->regmap, SUN8I_SYS_SR_CTRL,
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SUN8I_SYS_SR_CTRL_AIF1_FS_MASK,
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hw_rate << SUN8I_SYS_SR_CTRL_AIF1_FS);
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return 0;
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}
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static int sun8i_codec_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
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{
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struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai);
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u32 dsp_format, format, invert, value;
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/* clock masters */
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switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
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case SND_SOC_DAIFMT_CBS_CFS: /* Codec slave, DAI master */
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value = 0x1;
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break;
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case SND_SOC_DAIFMT_CBM_CFM: /* Codec Master, DAI slave */
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value = 0x0;
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break;
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default:
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return -EINVAL;
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}
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if (dai->id == SUN8I_CODEC_AIF3) {
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/* AIF3 only supports master mode. */
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if (value)
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return -EINVAL;
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/* Use the AIF2 BCLK and LRCK for AIF3. */
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regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),
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SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_MASK,
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SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_AIF2);
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} else {
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regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),
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BIT(SUN8I_AIF_CLK_CTRL_MSTR_MOD),
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value << SUN8I_AIF_CLK_CTRL_MSTR_MOD);
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}
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/* DAI format */
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switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
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case SND_SOC_DAIFMT_I2S:
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format = 0x0;
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break;
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case SND_SOC_DAIFMT_LEFT_J:
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format = 0x1;
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break;
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case SND_SOC_DAIFMT_RIGHT_J:
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format = 0x2;
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break;
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case SND_SOC_DAIFMT_DSP_A:
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format = 0x3;
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dsp_format = 0x0; /* Set LRCK_INV to 0 */
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break;
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case SND_SOC_DAIFMT_DSP_B:
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format = 0x3;
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dsp_format = 0x1; /* Set LRCK_INV to 1 */
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break;
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default:
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return -EINVAL;
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}
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if (dai->id == SUN8I_CODEC_AIF3) {
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/* AIF3 only supports DSP mode. */
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if (format != 3)
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return -EINVAL;
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} else {
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regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),
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SUN8I_AIF_CLK_CTRL_DATA_FMT_MASK,
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format << SUN8I_AIF_CLK_CTRL_DATA_FMT);
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}
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/* clock inversion */
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switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
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case SND_SOC_DAIFMT_NB_NF: /* Normal */
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invert = 0x0;
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break;
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case SND_SOC_DAIFMT_NB_IF: /* Inverted LRCK */
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invert = 0x1;
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break;
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case SND_SOC_DAIFMT_IB_NF: /* Inverted BCLK */
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invert = 0x2;
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break;
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case SND_SOC_DAIFMT_IB_IF: /* Both inverted */
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invert = 0x3;
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break;
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default:
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return -EINVAL;
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}
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if (format == 0x3) {
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/* Inverted LRCK is not available in DSP mode. */
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if (invert & BIT(0))
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return -EINVAL;
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/* Instead, the bit selects between DSP A/B formats. */
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invert |= dsp_format;
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} else {
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/*
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* It appears that the DAI and the codec in the A33 SoC don't
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* share the same polarity for the LRCK signal when they mean
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* 'normal' and 'inverted' in the datasheet.
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*
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* Since the DAI here is our regular i2s driver that have been
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* tested with way more codecs than just this one, it means
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* that the codec probably gets it backward, and we have to
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* invert the value here.
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*/
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invert ^= scodec->quirks->lrck_inversion;
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}
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regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),
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SUN8I_AIF_CLK_CTRL_CLK_INV_MASK,
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invert << SUN8I_AIF_CLK_CTRL_CLK_INV);
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return 0;
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}
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static int sun8i_codec_set_tdm_slot(struct snd_soc_dai *dai,
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unsigned int tx_mask, unsigned int rx_mask,
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int slots, int slot_width)
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{
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struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai);
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struct sun8i_codec_aif *aif = &scodec->aifs[dai->id];
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if (slot_width && !is_power_of_2(slot_width))
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return -EINVAL;
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aif->slots = slots;
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aif->slot_width = slot_width;
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return 0;
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}
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static const unsigned int sun8i_codec_rates[] = {
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7350, 8000, 11025, 12000, 14700, 16000, 22050, 24000,
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29400, 32000, 44100, 48000, 88200, 96000, 176400, 192000,
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};
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static const struct snd_pcm_hw_constraint_list sun8i_codec_all_rates = {
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.list = sun8i_codec_rates,
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.count = ARRAY_SIZE(sun8i_codec_rates),
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};
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static const struct snd_pcm_hw_constraint_list sun8i_codec_22M_rates = {
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.list = sun8i_codec_rates,
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.count = ARRAY_SIZE(sun8i_codec_rates),
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.mask = 0x5555,
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};
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static const struct snd_pcm_hw_constraint_list sun8i_codec_24M_rates = {
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.list = sun8i_codec_rates,
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.count = ARRAY_SIZE(sun8i_codec_rates),
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.mask = 0xaaaa,
|
|
};
|
|
|
|
static int sun8i_codec_startup(struct snd_pcm_substream *substream,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai);
|
|
const struct snd_pcm_hw_constraint_list *list;
|
|
|
|
/* hw_constraints is not relevant for codec2codec DAIs. */
|
|
if (dai->id != SUN8I_CODEC_AIF1)
|
|
return 0;
|
|
|
|
if (!scodec->sysclk_refcnt)
|
|
list = &sun8i_codec_all_rates;
|
|
else if (scodec->sysclk_rate == 22579200)
|
|
list = &sun8i_codec_22M_rates;
|
|
else if (scodec->sysclk_rate == 24576000)
|
|
list = &sun8i_codec_24M_rates;
|
|
else
|
|
return -EINVAL;
|
|
|
|
return snd_pcm_hw_constraint_list(substream->runtime, 0,
|
|
SNDRV_PCM_HW_PARAM_RATE, list);
|
|
}
|
|
|
|
struct sun8i_codec_clk_div {
|
|
u8 div;
|
|
u8 val;
|
|
};
|
|
|
|
static const struct sun8i_codec_clk_div sun8i_codec_bclk_div[] = {
|
|
{ .div = 1, .val = 0 },
|
|
{ .div = 2, .val = 1 },
|
|
{ .div = 4, .val = 2 },
|
|
{ .div = 6, .val = 3 },
|
|
{ .div = 8, .val = 4 },
|
|
{ .div = 12, .val = 5 },
|
|
{ .div = 16, .val = 6 },
|
|
{ .div = 24, .val = 7 },
|
|
{ .div = 32, .val = 8 },
|
|
{ .div = 48, .val = 9 },
|
|
{ .div = 64, .val = 10 },
|
|
{ .div = 96, .val = 11 },
|
|
{ .div = 128, .val = 12 },
|
|
{ .div = 192, .val = 13 },
|
|
};
|
|
|
|
static int sun8i_codec_get_bclk_div(unsigned int sysclk_rate,
|
|
unsigned int lrck_div_order,
|
|
unsigned int sample_rate)
|
|
{
|
|
unsigned int div = sysclk_rate / sample_rate >> lrck_div_order;
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(sun8i_codec_bclk_div); i++) {
|
|
const struct sun8i_codec_clk_div *bdiv = &sun8i_codec_bclk_div[i];
|
|
|
|
if (bdiv->div == div)
|
|
return bdiv->val;
|
|
}
|
|
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int sun8i_codec_get_lrck_div_order(unsigned int slots,
|
|
unsigned int slot_width)
|
|
{
|
|
unsigned int div = slots * slot_width;
|
|
|
|
if (div < 16 || div > 256)
|
|
return -EINVAL;
|
|
|
|
return order_base_2(div);
|
|
}
|
|
|
|
static unsigned int sun8i_codec_get_sysclk_rate(unsigned int sample_rate)
|
|
{
|
|
return (sample_rate % 4000) ? 22579200 : 24576000;
|
|
}
|
|
|
|
static int sun8i_codec_hw_params(struct snd_pcm_substream *substream,
|
|
struct snd_pcm_hw_params *params,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai);
|
|
struct sun8i_codec_aif *aif = &scodec->aifs[dai->id];
|
|
unsigned int sample_rate = params_rate(params);
|
|
unsigned int slots = aif->slots ?: params_channels(params);
|
|
unsigned int slot_width = aif->slot_width ?: params_width(params);
|
|
unsigned int sysclk_rate = sun8i_codec_get_sysclk_rate(sample_rate);
|
|
int bclk_div, lrck_div_order, ret, word_size;
|
|
u32 clk_reg;
|
|
|
|
/* word size */
|
|
switch (params_width(params)) {
|
|
case 8:
|
|
word_size = 0x0;
|
|
break;
|
|
case 16:
|
|
word_size = 0x1;
|
|
break;
|
|
case 20:
|
|
word_size = 0x2;
|
|
break;
|
|
case 24:
|
|
word_size = 0x3;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),
|
|
SUN8I_AIF_CLK_CTRL_WORD_SIZ_MASK,
|
|
word_size << SUN8I_AIF_CLK_CTRL_WORD_SIZ);
|
|
|
|
/* LRCK divider (BCLK/LRCK ratio) */
|
|
lrck_div_order = sun8i_codec_get_lrck_div_order(slots, slot_width);
|
|
if (lrck_div_order < 0)
|
|
return lrck_div_order;
|
|
|
|
if (dai->id == SUN8I_CODEC_AIF2 || dai->id == SUN8I_CODEC_AIF3) {
|
|
/* AIF2 and AIF3 share AIF2's BCLK and LRCK generation circuitry. */
|
|
int partner = (SUN8I_CODEC_AIF2 + SUN8I_CODEC_AIF3) - dai->id;
|
|
const struct sun8i_codec_aif *partner_aif = &scodec->aifs[partner];
|
|
const char *partner_name = sun8i_codec_dais[partner].name;
|
|
|
|
if (partner_aif->open_streams &&
|
|
(lrck_div_order != partner_aif->lrck_div_order ||
|
|
sample_rate != partner_aif->sample_rate)) {
|
|
dev_err(dai->dev,
|
|
"%s sample and bit rates must match %s when both are used\n",
|
|
dai->name, partner_name);
|
|
return -EBUSY;
|
|
}
|
|
|
|
clk_reg = SUN8I_AIF_CLK_CTRL(SUN8I_CODEC_AIF2);
|
|
} else {
|
|
clk_reg = SUN8I_AIF_CLK_CTRL(dai->id);
|
|
}
|
|
|
|
regmap_update_bits(scodec->regmap, clk_reg,
|
|
SUN8I_AIF_CLK_CTRL_LRCK_DIV_MASK,
|
|
(lrck_div_order - 4) << SUN8I_AIF_CLK_CTRL_LRCK_DIV);
|
|
|
|
/* BCLK divider (SYSCLK/BCLK ratio) */
|
|
bclk_div = sun8i_codec_get_bclk_div(sysclk_rate, lrck_div_order, sample_rate);
|
|
if (bclk_div < 0)
|
|
return bclk_div;
|
|
|
|
regmap_update_bits(scodec->regmap, clk_reg,
|
|
SUN8I_AIF_CLK_CTRL_BCLK_DIV_MASK,
|
|
bclk_div << SUN8I_AIF_CLK_CTRL_BCLK_DIV);
|
|
|
|
/*
|
|
* SYSCLK rate
|
|
*
|
|
* Clock rate protection is reference counted; but hw_params may be
|
|
* called many times per substream, without matching calls to hw_free.
|
|
* Protect the clock rate once per AIF, on the first hw_params call
|
|
* for the first substream. clk_set_rate() will allow clock rate
|
|
* changes on subsequent calls if only one AIF has open streams.
|
|
*/
|
|
ret = (aif->open_streams ? clk_set_rate : clk_set_rate_exclusive)(scodec->clk_module,
|
|
sysclk_rate);
|
|
if (ret == -EBUSY)
|
|
dev_err(dai->dev,
|
|
"%s sample rate (%u Hz) conflicts with other audio streams\n",
|
|
dai->name, sample_rate);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (!aif->open_streams)
|
|
scodec->sysclk_refcnt++;
|
|
scodec->sysclk_rate = sysclk_rate;
|
|
|
|
aif->lrck_div_order = lrck_div_order;
|
|
aif->sample_rate = sample_rate;
|
|
aif->open_streams |= BIT(substream->stream);
|
|
|
|
return sun8i_codec_update_sample_rate(scodec);
|
|
}
|
|
|
|
static int sun8i_codec_hw_free(struct snd_pcm_substream *substream,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai);
|
|
struct sun8i_codec_aif *aif = &scodec->aifs[dai->id];
|
|
|
|
/* Drop references when the last substream for the AIF is freed. */
|
|
if (aif->open_streams != BIT(substream->stream))
|
|
goto done;
|
|
|
|
clk_rate_exclusive_put(scodec->clk_module);
|
|
scodec->sysclk_refcnt--;
|
|
aif->lrck_div_order = 0;
|
|
aif->sample_rate = 0;
|
|
|
|
done:
|
|
aif->open_streams &= ~BIT(substream->stream);
|
|
return 0;
|
|
}
|
|
|
|
static const struct snd_soc_dai_ops sun8i_codec_dai_ops = {
|
|
.set_fmt = sun8i_codec_set_fmt,
|
|
.set_tdm_slot = sun8i_codec_set_tdm_slot,
|
|
.startup = sun8i_codec_startup,
|
|
.hw_params = sun8i_codec_hw_params,
|
|
.hw_free = sun8i_codec_hw_free,
|
|
};
|
|
|
|
static struct snd_soc_dai_driver sun8i_codec_dais[] = {
|
|
{
|
|
.name = "sun8i-codec-aif1",
|
|
.id = SUN8I_CODEC_AIF1,
|
|
.ops = &sun8i_codec_dai_ops,
|
|
/* capture capabilities */
|
|
.capture = {
|
|
.stream_name = "AIF1 Capture",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rates = SUN8I_CODEC_PCM_RATES,
|
|
.formats = SUN8I_CODEC_PCM_FORMATS,
|
|
.sig_bits = 24,
|
|
},
|
|
/* playback capabilities */
|
|
.playback = {
|
|
.stream_name = "AIF1 Playback",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rates = SUN8I_CODEC_PCM_RATES,
|
|
.formats = SUN8I_CODEC_PCM_FORMATS,
|
|
},
|
|
.symmetric_rate = true,
|
|
.symmetric_channels = true,
|
|
.symmetric_sample_bits = true,
|
|
},
|
|
{
|
|
.name = "sun8i-codec-aif2",
|
|
.id = SUN8I_CODEC_AIF2,
|
|
.ops = &sun8i_codec_dai_ops,
|
|
/* capture capabilities */
|
|
.capture = {
|
|
.stream_name = "AIF2 Capture",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rates = SUN8I_CODEC_PCM_RATES,
|
|
.formats = SUN8I_CODEC_PCM_FORMATS,
|
|
.sig_bits = 24,
|
|
},
|
|
/* playback capabilities */
|
|
.playback = {
|
|
.stream_name = "AIF2 Playback",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rates = SUN8I_CODEC_PCM_RATES,
|
|
.formats = SUN8I_CODEC_PCM_FORMATS,
|
|
},
|
|
.symmetric_rate = true,
|
|
.symmetric_channels = true,
|
|
.symmetric_sample_bits = true,
|
|
},
|
|
{
|
|
.name = "sun8i-codec-aif3",
|
|
.id = SUN8I_CODEC_AIF3,
|
|
.ops = &sun8i_codec_dai_ops,
|
|
/* capture capabilities */
|
|
.capture = {
|
|
.stream_name = "AIF3 Capture",
|
|
.channels_min = 1,
|
|
.channels_max = 1,
|
|
.rates = SUN8I_CODEC_PCM_RATES,
|
|
.formats = SUN8I_CODEC_PCM_FORMATS,
|
|
.sig_bits = 24,
|
|
},
|
|
/* playback capabilities */
|
|
.playback = {
|
|
.stream_name = "AIF3 Playback",
|
|
.channels_min = 1,
|
|
.channels_max = 1,
|
|
.rates = SUN8I_CODEC_PCM_RATES,
|
|
.formats = SUN8I_CODEC_PCM_FORMATS,
|
|
},
|
|
.symmetric_rate = true,
|
|
.symmetric_channels = true,
|
|
.symmetric_sample_bits = true,
|
|
},
|
|
};
|
|
|
|
static int sun8i_codec_aif_event(struct snd_soc_dapm_widget *w,
|
|
struct snd_kcontrol *kcontrol, int event)
|
|
{
|
|
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
|
|
struct sun8i_codec *scodec = snd_soc_component_get_drvdata(component);
|
|
struct sun8i_codec_aif *aif = &scodec->aifs[w->sname[3] - '1'];
|
|
int stream = w->id == snd_soc_dapm_aif_out;
|
|
|
|
if (SND_SOC_DAPM_EVENT_ON(event))
|
|
aif->active_streams |= BIT(stream);
|
|
else
|
|
aif->active_streams &= ~BIT(stream);
|
|
|
|
return sun8i_codec_update_sample_rate(scodec);
|
|
}
|
|
|
|
static const char *const sun8i_aif_stereo_mux_enum_values[] = {
|
|
"Stereo", "Reverse Stereo", "Sum Mono", "Mix Mono"
|
|
};
|
|
|
|
static SOC_ENUM_DOUBLE_DECL(sun8i_aif1_ad0_stereo_mux_enum,
|
|
SUN8I_AIF1_ADCDAT_CTRL,
|
|
SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_SRC,
|
|
SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_SRC,
|
|
sun8i_aif_stereo_mux_enum_values);
|
|
|
|
static const struct snd_kcontrol_new sun8i_aif1_ad0_stereo_mux_control =
|
|
SOC_DAPM_ENUM("AIF1 AD0 Stereo Capture Route",
|
|
sun8i_aif1_ad0_stereo_mux_enum);
|
|
|
|
static SOC_ENUM_DOUBLE_DECL(sun8i_aif2_adc_stereo_mux_enum,
|
|
SUN8I_AIF2_ADCDAT_CTRL,
|
|
SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_SRC,
|
|
SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_SRC,
|
|
sun8i_aif_stereo_mux_enum_values);
|
|
|
|
static const struct snd_kcontrol_new sun8i_aif2_adc_stereo_mux_control =
|
|
SOC_DAPM_ENUM("AIF2 ADC Stereo Capture Route",
|
|
sun8i_aif2_adc_stereo_mux_enum);
|
|
|
|
static const char *const sun8i_aif3_adc_mux_enum_values[] = {
|
|
"None", "AIF2 ADCL", "AIF2 ADCR"
|
|
};
|
|
|
|
static SOC_ENUM_SINGLE_DECL(sun8i_aif3_adc_mux_enum,
|
|
SUN8I_AIF3_PATH_CTRL,
|
|
SUN8I_AIF3_PATH_CTRL_AIF3_ADC_SRC,
|
|
sun8i_aif3_adc_mux_enum_values);
|
|
|
|
static const struct snd_kcontrol_new sun8i_aif3_adc_mux_control =
|
|
SOC_DAPM_ENUM("AIF3 ADC Source Capture Route",
|
|
sun8i_aif3_adc_mux_enum);
|
|
|
|
static const struct snd_kcontrol_new sun8i_aif1_ad0_mixer_controls[] = {
|
|
SOC_DAPM_DOUBLE("AIF1 Slot 0 Digital ADC Capture Switch",
|
|
SUN8I_AIF1_MXR_SRC,
|
|
SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF1DA0L,
|
|
SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF1DA0R, 1, 0),
|
|
SOC_DAPM_DOUBLE("AIF2 Digital ADC Capture Switch",
|
|
SUN8I_AIF1_MXR_SRC,
|
|
SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACL,
|
|
SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACR, 1, 0),
|
|
SOC_DAPM_DOUBLE("AIF1 Data Digital ADC Capture Switch",
|
|
SUN8I_AIF1_MXR_SRC,
|
|
SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_ADCL,
|
|
SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_ADCR, 1, 0),
|
|
SOC_DAPM_DOUBLE("AIF2 Inv Digital ADC Capture Switch",
|
|
SUN8I_AIF1_MXR_SRC,
|
|
SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACR,
|
|
SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACL, 1, 0),
|
|
};
|
|
|
|
static const struct snd_kcontrol_new sun8i_aif2_adc_mixer_controls[] = {
|
|
SOC_DAPM_DOUBLE("AIF2 ADC Mixer AIF1 DA0 Capture Switch",
|
|
SUN8I_AIF2_MXR_SRC,
|
|
SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA0L,
|
|
SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA0R, 1, 0),
|
|
SOC_DAPM_DOUBLE("AIF2 ADC Mixer AIF1 DA1 Capture Switch",
|
|
SUN8I_AIF2_MXR_SRC,
|
|
SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA1L,
|
|
SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA1R, 1, 0),
|
|
SOC_DAPM_DOUBLE("AIF2 ADC Mixer AIF2 DAC Rev Capture Switch",
|
|
SUN8I_AIF2_MXR_SRC,
|
|
SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF2DACR,
|
|
SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF2DACL, 1, 0),
|
|
SOC_DAPM_DOUBLE("AIF2 ADC Mixer ADC Capture Switch",
|
|
SUN8I_AIF2_MXR_SRC,
|
|
SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_ADCL,
|
|
SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_ADCR, 1, 0),
|
|
};
|
|
|
|
static const char *const sun8i_aif2_dac_mux_enum_values[] = {
|
|
"AIF2", "AIF3+2", "AIF2+3"
|
|
};
|
|
|
|
static SOC_ENUM_SINGLE_DECL(sun8i_aif2_dac_mux_enum,
|
|
SUN8I_AIF3_PATH_CTRL,
|
|
SUN8I_AIF3_PATH_CTRL_AIF2_DAC_SRC,
|
|
sun8i_aif2_dac_mux_enum_values);
|
|
|
|
static const struct snd_kcontrol_new sun8i_aif2_dac_mux_control =
|
|
SOC_DAPM_ENUM("AIF2 DAC Source Playback Route",
|
|
sun8i_aif2_dac_mux_enum);
|
|
|
|
static SOC_ENUM_DOUBLE_DECL(sun8i_aif1_da0_stereo_mux_enum,
|
|
SUN8I_AIF1_DACDAT_CTRL,
|
|
SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_SRC,
|
|
SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_SRC,
|
|
sun8i_aif_stereo_mux_enum_values);
|
|
|
|
static const struct snd_kcontrol_new sun8i_aif1_da0_stereo_mux_control =
|
|
SOC_DAPM_ENUM("AIF1 DA0 Stereo Playback Route",
|
|
sun8i_aif1_da0_stereo_mux_enum);
|
|
|
|
static SOC_ENUM_DOUBLE_DECL(sun8i_aif2_dac_stereo_mux_enum,
|
|
SUN8I_AIF2_DACDAT_CTRL,
|
|
SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_SRC,
|
|
SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_SRC,
|
|
sun8i_aif_stereo_mux_enum_values);
|
|
|
|
static const struct snd_kcontrol_new sun8i_aif2_dac_stereo_mux_control =
|
|
SOC_DAPM_ENUM("AIF2 DAC Stereo Playback Route",
|
|
sun8i_aif2_dac_stereo_mux_enum);
|
|
|
|
static const struct snd_kcontrol_new sun8i_dac_mixer_controls[] = {
|
|
SOC_DAPM_DOUBLE("AIF1 Slot 0 Digital DAC Playback Switch",
|
|
SUN8I_DAC_MXR_SRC,
|
|
SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA0L,
|
|
SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA0R, 1, 0),
|
|
SOC_DAPM_DOUBLE("AIF1 Slot 1 Digital DAC Playback Switch",
|
|
SUN8I_DAC_MXR_SRC,
|
|
SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA1L,
|
|
SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA1R, 1, 0),
|
|
SOC_DAPM_DOUBLE("AIF2 Digital DAC Playback Switch", SUN8I_DAC_MXR_SRC,
|
|
SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF2DACL,
|
|
SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF2DACR, 1, 0),
|
|
SOC_DAPM_DOUBLE("ADC Digital DAC Playback Switch", SUN8I_DAC_MXR_SRC,
|
|
SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_ADCL,
|
|
SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_ADCR, 1, 0),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_widget sun8i_codec_dapm_widgets[] = {
|
|
/* System Clocks */
|
|
SND_SOC_DAPM_CLOCK_SUPPLY("mod"),
|
|
|
|
SND_SOC_DAPM_SUPPLY("AIF1CLK",
|
|
SUN8I_SYSCLK_CTL,
|
|
SUN8I_SYSCLK_CTL_AIF1CLK_ENA, 0, NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("AIF2CLK",
|
|
SUN8I_SYSCLK_CTL,
|
|
SUN8I_SYSCLK_CTL_AIF2CLK_ENA, 0, NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("SYSCLK",
|
|
SUN8I_SYSCLK_CTL,
|
|
SUN8I_SYSCLK_CTL_SYSCLK_ENA, 0, NULL, 0),
|
|
|
|
/* Module Clocks */
|
|
SND_SOC_DAPM_SUPPLY("CLK AIF1",
|
|
SUN8I_MOD_CLK_ENA,
|
|
SUN8I_MOD_CLK_ENA_AIF1, 0, NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("CLK AIF2",
|
|
SUN8I_MOD_CLK_ENA,
|
|
SUN8I_MOD_CLK_ENA_AIF2, 0, NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("CLK AIF3",
|
|
SUN8I_MOD_CLK_ENA,
|
|
SUN8I_MOD_CLK_ENA_AIF3, 0, NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("CLK ADC",
|
|
SUN8I_MOD_CLK_ENA,
|
|
SUN8I_MOD_CLK_ENA_ADC, 0, NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("CLK DAC",
|
|
SUN8I_MOD_CLK_ENA,
|
|
SUN8I_MOD_CLK_ENA_DAC, 0, NULL, 0),
|
|
|
|
/* Module Resets */
|
|
SND_SOC_DAPM_SUPPLY("RST AIF1",
|
|
SUN8I_MOD_RST_CTL,
|
|
SUN8I_MOD_RST_CTL_AIF1, 0, NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("RST AIF2",
|
|
SUN8I_MOD_RST_CTL,
|
|
SUN8I_MOD_RST_CTL_AIF2, 0, NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("RST AIF3",
|
|
SUN8I_MOD_RST_CTL,
|
|
SUN8I_MOD_RST_CTL_AIF3, 0, NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("RST ADC",
|
|
SUN8I_MOD_RST_CTL,
|
|
SUN8I_MOD_RST_CTL_ADC, 0, NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("RST DAC",
|
|
SUN8I_MOD_RST_CTL,
|
|
SUN8I_MOD_RST_CTL_DAC, 0, NULL, 0),
|
|
|
|
/* Module Supplies */
|
|
SND_SOC_DAPM_SUPPLY("ADC",
|
|
SUN8I_ADC_DIG_CTRL,
|
|
SUN8I_ADC_DIG_CTRL_ENAD, 0, NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("DAC",
|
|
SUN8I_DAC_DIG_CTRL,
|
|
SUN8I_DAC_DIG_CTRL_ENDA, 0, NULL, 0),
|
|
|
|
/* AIF "ADC" Outputs */
|
|
SND_SOC_DAPM_AIF_OUT_E("AIF1 AD0L", "AIF1 Capture", 0,
|
|
SUN8I_AIF1_ADCDAT_CTRL,
|
|
SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_ENA, 0,
|
|
sun8i_codec_aif_event,
|
|
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
|
|
SND_SOC_DAPM_AIF_OUT("AIF1 AD0R", "AIF1 Capture", 1,
|
|
SUN8I_AIF1_ADCDAT_CTRL,
|
|
SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_ENA, 0),
|
|
|
|
SND_SOC_DAPM_AIF_OUT_E("AIF2 ADCL", "AIF2 Capture", 0,
|
|
SUN8I_AIF2_ADCDAT_CTRL,
|
|
SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_ENA, 0,
|
|
sun8i_codec_aif_event,
|
|
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
|
|
SND_SOC_DAPM_AIF_OUT("AIF2 ADCR", "AIF2 Capture", 1,
|
|
SUN8I_AIF2_ADCDAT_CTRL,
|
|
SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_ENA, 0),
|
|
|
|
SND_SOC_DAPM_AIF_OUT_E("AIF3 ADC", "AIF3 Capture", 0,
|
|
SND_SOC_NOPM, 0, 0,
|
|
sun8i_codec_aif_event,
|
|
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
|
|
|
|
/* AIF "ADC" Mono/Stereo Muxes */
|
|
SND_SOC_DAPM_MUX("AIF1 AD0L Stereo Mux", SND_SOC_NOPM, 0, 0,
|
|
&sun8i_aif1_ad0_stereo_mux_control),
|
|
SND_SOC_DAPM_MUX("AIF1 AD0R Stereo Mux", SND_SOC_NOPM, 0, 0,
|
|
&sun8i_aif1_ad0_stereo_mux_control),
|
|
|
|
SND_SOC_DAPM_MUX("AIF2 ADCL Stereo Mux", SND_SOC_NOPM, 0, 0,
|
|
&sun8i_aif2_adc_stereo_mux_control),
|
|
SND_SOC_DAPM_MUX("AIF2 ADCR Stereo Mux", SND_SOC_NOPM, 0, 0,
|
|
&sun8i_aif2_adc_stereo_mux_control),
|
|
|
|
/* AIF "ADC" Output Muxes */
|
|
SND_SOC_DAPM_MUX("AIF3 ADC Source Capture Route", SND_SOC_NOPM, 0, 0,
|
|
&sun8i_aif3_adc_mux_control),
|
|
|
|
/* AIF "ADC" Mixers */
|
|
SOC_MIXER_ARRAY("AIF1 AD0L Mixer", SND_SOC_NOPM, 0, 0,
|
|
sun8i_aif1_ad0_mixer_controls),
|
|
SOC_MIXER_ARRAY("AIF1 AD0R Mixer", SND_SOC_NOPM, 0, 0,
|
|
sun8i_aif1_ad0_mixer_controls),
|
|
|
|
SOC_MIXER_ARRAY("AIF2 ADCL Mixer", SND_SOC_NOPM, 0, 0,
|
|
sun8i_aif2_adc_mixer_controls),
|
|
SOC_MIXER_ARRAY("AIF2 ADCR Mixer", SND_SOC_NOPM, 0, 0,
|
|
sun8i_aif2_adc_mixer_controls),
|
|
|
|
/* AIF "DAC" Input Muxes */
|
|
SND_SOC_DAPM_MUX("AIF2 DACL Source", SND_SOC_NOPM, 0, 0,
|
|
&sun8i_aif2_dac_mux_control),
|
|
SND_SOC_DAPM_MUX("AIF2 DACR Source", SND_SOC_NOPM, 0, 0,
|
|
&sun8i_aif2_dac_mux_control),
|
|
|
|
/* AIF "DAC" Mono/Stereo Muxes */
|
|
SND_SOC_DAPM_MUX("AIF1 DA0L Stereo Mux", SND_SOC_NOPM, 0, 0,
|
|
&sun8i_aif1_da0_stereo_mux_control),
|
|
SND_SOC_DAPM_MUX("AIF1 DA0R Stereo Mux", SND_SOC_NOPM, 0, 0,
|
|
&sun8i_aif1_da0_stereo_mux_control),
|
|
|
|
SND_SOC_DAPM_MUX("AIF2 DACL Stereo Mux", SND_SOC_NOPM, 0, 0,
|
|
&sun8i_aif2_dac_stereo_mux_control),
|
|
SND_SOC_DAPM_MUX("AIF2 DACR Stereo Mux", SND_SOC_NOPM, 0, 0,
|
|
&sun8i_aif2_dac_stereo_mux_control),
|
|
|
|
/* AIF "DAC" Inputs */
|
|
SND_SOC_DAPM_AIF_IN_E("AIF1 DA0L", "AIF1 Playback", 0,
|
|
SUN8I_AIF1_DACDAT_CTRL,
|
|
SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_ENA, 0,
|
|
sun8i_codec_aif_event,
|
|
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
|
|
SND_SOC_DAPM_AIF_IN("AIF1 DA0R", "AIF1 Playback", 1,
|
|
SUN8I_AIF1_DACDAT_CTRL,
|
|
SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_ENA, 0),
|
|
|
|
SND_SOC_DAPM_AIF_IN_E("AIF2 DACL", "AIF2 Playback", 0,
|
|
SUN8I_AIF2_DACDAT_CTRL,
|
|
SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_ENA, 0,
|
|
sun8i_codec_aif_event,
|
|
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
|
|
SND_SOC_DAPM_AIF_IN("AIF2 DACR", "AIF2 Playback", 1,
|
|
SUN8I_AIF2_DACDAT_CTRL,
|
|
SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_ENA, 0),
|
|
|
|
SND_SOC_DAPM_AIF_IN_E("AIF3 DAC", "AIF3 Playback", 0,
|
|
SND_SOC_NOPM, 0, 0,
|
|
sun8i_codec_aif_event,
|
|
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
|
|
|
|
/* ADC Inputs (connected to analog codec DAPM context) */
|
|
SND_SOC_DAPM_ADC("ADCL", NULL, SND_SOC_NOPM, 0, 0),
|
|
SND_SOC_DAPM_ADC("ADCR", NULL, SND_SOC_NOPM, 0, 0),
|
|
|
|
/* DAC Outputs (connected to analog codec DAPM context) */
|
|
SND_SOC_DAPM_DAC("DACL", NULL, SND_SOC_NOPM, 0, 0),
|
|
SND_SOC_DAPM_DAC("DACR", NULL, SND_SOC_NOPM, 0, 0),
|
|
|
|
/* DAC Mixers */
|
|
SOC_MIXER_ARRAY("DACL Mixer", SND_SOC_NOPM, 0, 0,
|
|
sun8i_dac_mixer_controls),
|
|
SOC_MIXER_ARRAY("DACR Mixer", SND_SOC_NOPM, 0, 0,
|
|
sun8i_dac_mixer_controls),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route sun8i_codec_dapm_routes[] = {
|
|
/* Clock Routes */
|
|
{ "AIF1CLK", NULL, "mod" },
|
|
|
|
{ "SYSCLK", NULL, "AIF1CLK" },
|
|
|
|
{ "CLK AIF1", NULL, "AIF1CLK" },
|
|
{ "CLK AIF1", NULL, "SYSCLK" },
|
|
{ "RST AIF1", NULL, "CLK AIF1" },
|
|
{ "AIF1 AD0L", NULL, "RST AIF1" },
|
|
{ "AIF1 AD0R", NULL, "RST AIF1" },
|
|
{ "AIF1 DA0L", NULL, "RST AIF1" },
|
|
{ "AIF1 DA0R", NULL, "RST AIF1" },
|
|
|
|
{ "CLK AIF2", NULL, "AIF2CLK" },
|
|
{ "CLK AIF2", NULL, "SYSCLK" },
|
|
{ "RST AIF2", NULL, "CLK AIF2" },
|
|
{ "AIF2 ADCL", NULL, "RST AIF2" },
|
|
{ "AIF2 ADCR", NULL, "RST AIF2" },
|
|
{ "AIF2 DACL", NULL, "RST AIF2" },
|
|
{ "AIF2 DACR", NULL, "RST AIF2" },
|
|
|
|
{ "CLK AIF3", NULL, "AIF1CLK" },
|
|
{ "CLK AIF3", NULL, "SYSCLK" },
|
|
{ "RST AIF3", NULL, "CLK AIF3" },
|
|
{ "AIF3 ADC", NULL, "RST AIF3" },
|
|
{ "AIF3 DAC", NULL, "RST AIF3" },
|
|
|
|
{ "CLK ADC", NULL, "SYSCLK" },
|
|
{ "RST ADC", NULL, "CLK ADC" },
|
|
{ "ADC", NULL, "RST ADC" },
|
|
{ "ADCL", NULL, "ADC" },
|
|
{ "ADCR", NULL, "ADC" },
|
|
|
|
{ "CLK DAC", NULL, "SYSCLK" },
|
|
{ "RST DAC", NULL, "CLK DAC" },
|
|
{ "DAC", NULL, "RST DAC" },
|
|
{ "DACL", NULL, "DAC" },
|
|
{ "DACR", NULL, "DAC" },
|
|
|
|
/* AIF "ADC" Output Routes */
|
|
{ "AIF1 AD0L", NULL, "AIF1 AD0L Stereo Mux" },
|
|
{ "AIF1 AD0R", NULL, "AIF1 AD0R Stereo Mux" },
|
|
|
|
{ "AIF2 ADCL", NULL, "AIF2 ADCL Stereo Mux" },
|
|
{ "AIF2 ADCR", NULL, "AIF2 ADCR Stereo Mux" },
|
|
|
|
{ "AIF3 ADC", NULL, "AIF3 ADC Source Capture Route" },
|
|
|
|
/* AIF "ADC" Mono/Stereo Mux Routes */
|
|
{ "AIF1 AD0L Stereo Mux", "Stereo", "AIF1 AD0L Mixer" },
|
|
{ "AIF1 AD0L Stereo Mux", "Reverse Stereo", "AIF1 AD0R Mixer" },
|
|
{ "AIF1 AD0L Stereo Mux", "Sum Mono", "AIF1 AD0L Mixer" },
|
|
{ "AIF1 AD0L Stereo Mux", "Sum Mono", "AIF1 AD0R Mixer" },
|
|
{ "AIF1 AD0L Stereo Mux", "Mix Mono", "AIF1 AD0L Mixer" },
|
|
{ "AIF1 AD0L Stereo Mux", "Mix Mono", "AIF1 AD0R Mixer" },
|
|
|
|
{ "AIF1 AD0R Stereo Mux", "Stereo", "AIF1 AD0R Mixer" },
|
|
{ "AIF1 AD0R Stereo Mux", "Reverse Stereo", "AIF1 AD0L Mixer" },
|
|
{ "AIF1 AD0R Stereo Mux", "Sum Mono", "AIF1 AD0L Mixer" },
|
|
{ "AIF1 AD0R Stereo Mux", "Sum Mono", "AIF1 AD0R Mixer" },
|
|
{ "AIF1 AD0R Stereo Mux", "Mix Mono", "AIF1 AD0L Mixer" },
|
|
{ "AIF1 AD0R Stereo Mux", "Mix Mono", "AIF1 AD0R Mixer" },
|
|
|
|
{ "AIF2 ADCL Stereo Mux", "Stereo", "AIF2 ADCL Mixer" },
|
|
{ "AIF2 ADCL Stereo Mux", "Reverse Stereo", "AIF2 ADCR Mixer" },
|
|
{ "AIF2 ADCL Stereo Mux", "Sum Mono", "AIF2 ADCL Mixer" },
|
|
{ "AIF2 ADCL Stereo Mux", "Sum Mono", "AIF2 ADCR Mixer" },
|
|
{ "AIF2 ADCL Stereo Mux", "Mix Mono", "AIF2 ADCL Mixer" },
|
|
{ "AIF2 ADCL Stereo Mux", "Mix Mono", "AIF2 ADCR Mixer" },
|
|
|
|
{ "AIF2 ADCR Stereo Mux", "Stereo", "AIF2 ADCR Mixer" },
|
|
{ "AIF2 ADCR Stereo Mux", "Reverse Stereo", "AIF2 ADCL Mixer" },
|
|
{ "AIF2 ADCR Stereo Mux", "Sum Mono", "AIF2 ADCL Mixer" },
|
|
{ "AIF2 ADCR Stereo Mux", "Sum Mono", "AIF2 ADCR Mixer" },
|
|
{ "AIF2 ADCR Stereo Mux", "Mix Mono", "AIF2 ADCL Mixer" },
|
|
{ "AIF2 ADCR Stereo Mux", "Mix Mono", "AIF2 ADCR Mixer" },
|
|
|
|
/* AIF "ADC" Output Mux Routes */
|
|
{ "AIF3 ADC Source Capture Route", "AIF2 ADCL", "AIF2 ADCL Mixer" },
|
|
{ "AIF3 ADC Source Capture Route", "AIF2 ADCR", "AIF2 ADCR Mixer" },
|
|
|
|
/* AIF "ADC" Mixer Routes */
|
|
{ "AIF1 AD0L Mixer", "AIF1 Slot 0 Digital ADC Capture Switch", "AIF1 DA0L Stereo Mux" },
|
|
{ "AIF1 AD0L Mixer", "AIF2 Digital ADC Capture Switch", "AIF2 DACL Source" },
|
|
{ "AIF1 AD0L Mixer", "AIF1 Data Digital ADC Capture Switch", "ADCL" },
|
|
{ "AIF1 AD0L Mixer", "AIF2 Inv Digital ADC Capture Switch", "AIF2 DACR Source" },
|
|
|
|
{ "AIF1 AD0R Mixer", "AIF1 Slot 0 Digital ADC Capture Switch", "AIF1 DA0R Stereo Mux" },
|
|
{ "AIF1 AD0R Mixer", "AIF2 Digital ADC Capture Switch", "AIF2 DACR Source" },
|
|
{ "AIF1 AD0R Mixer", "AIF1 Data Digital ADC Capture Switch", "ADCR" },
|
|
{ "AIF1 AD0R Mixer", "AIF2 Inv Digital ADC Capture Switch", "AIF2 DACL Source" },
|
|
|
|
{ "AIF2 ADCL Mixer", "AIF2 ADC Mixer AIF1 DA0 Capture Switch", "AIF1 DA0L Stereo Mux" },
|
|
{ "AIF2 ADCL Mixer", "AIF2 ADC Mixer AIF2 DAC Rev Capture Switch", "AIF2 DACR Source" },
|
|
{ "AIF2 ADCL Mixer", "AIF2 ADC Mixer ADC Capture Switch", "ADCL" },
|
|
|
|
{ "AIF2 ADCR Mixer", "AIF2 ADC Mixer AIF1 DA0 Capture Switch", "AIF1 DA0R Stereo Mux" },
|
|
{ "AIF2 ADCR Mixer", "AIF2 ADC Mixer AIF2 DAC Rev Capture Switch", "AIF2 DACL Source" },
|
|
{ "AIF2 ADCR Mixer", "AIF2 ADC Mixer ADC Capture Switch", "ADCR" },
|
|
|
|
/* AIF "DAC" Input Mux Routes */
|
|
{ "AIF2 DACL Source", "AIF2", "AIF2 DACL Stereo Mux" },
|
|
{ "AIF2 DACL Source", "AIF3+2", "AIF3 DAC" },
|
|
{ "AIF2 DACL Source", "AIF2+3", "AIF2 DACL Stereo Mux" },
|
|
|
|
{ "AIF2 DACR Source", "AIF2", "AIF2 DACR Stereo Mux" },
|
|
{ "AIF2 DACR Source", "AIF3+2", "AIF2 DACR Stereo Mux" },
|
|
{ "AIF2 DACR Source", "AIF2+3", "AIF3 DAC" },
|
|
|
|
/* AIF "DAC" Mono/Stereo Mux Routes */
|
|
{ "AIF1 DA0L Stereo Mux", "Stereo", "AIF1 DA0L" },
|
|
{ "AIF1 DA0L Stereo Mux", "Reverse Stereo", "AIF1 DA0R" },
|
|
{ "AIF1 DA0L Stereo Mux", "Sum Mono", "AIF1 DA0L" },
|
|
{ "AIF1 DA0L Stereo Mux", "Sum Mono", "AIF1 DA0R" },
|
|
{ "AIF1 DA0L Stereo Mux", "Mix Mono", "AIF1 DA0L" },
|
|
{ "AIF1 DA0L Stereo Mux", "Mix Mono", "AIF1 DA0R" },
|
|
|
|
{ "AIF1 DA0R Stereo Mux", "Stereo", "AIF1 DA0R" },
|
|
{ "AIF1 DA0R Stereo Mux", "Reverse Stereo", "AIF1 DA0L" },
|
|
{ "AIF1 DA0R Stereo Mux", "Sum Mono", "AIF1 DA0L" },
|
|
{ "AIF1 DA0R Stereo Mux", "Sum Mono", "AIF1 DA0R" },
|
|
{ "AIF1 DA0R Stereo Mux", "Mix Mono", "AIF1 DA0L" },
|
|
{ "AIF1 DA0R Stereo Mux", "Mix Mono", "AIF1 DA0R" },
|
|
|
|
{ "AIF2 DACL Stereo Mux", "Stereo", "AIF2 DACL" },
|
|
{ "AIF2 DACL Stereo Mux", "Reverse Stereo", "AIF2 DACR" },
|
|
{ "AIF2 DACL Stereo Mux", "Sum Mono", "AIF2 DACL" },
|
|
{ "AIF2 DACL Stereo Mux", "Sum Mono", "AIF2 DACR" },
|
|
{ "AIF2 DACL Stereo Mux", "Mix Mono", "AIF2 DACL" },
|
|
{ "AIF2 DACL Stereo Mux", "Mix Mono", "AIF2 DACR" },
|
|
|
|
{ "AIF2 DACR Stereo Mux", "Stereo", "AIF2 DACR" },
|
|
{ "AIF2 DACR Stereo Mux", "Reverse Stereo", "AIF2 DACL" },
|
|
{ "AIF2 DACR Stereo Mux", "Sum Mono", "AIF2 DACL" },
|
|
{ "AIF2 DACR Stereo Mux", "Sum Mono", "AIF2 DACR" },
|
|
{ "AIF2 DACR Stereo Mux", "Mix Mono", "AIF2 DACL" },
|
|
{ "AIF2 DACR Stereo Mux", "Mix Mono", "AIF2 DACR" },
|
|
|
|
/* DAC Output Routes */
|
|
{ "DACL", NULL, "DACL Mixer" },
|
|
{ "DACR", NULL, "DACR Mixer" },
|
|
|
|
/* DAC Mixer Routes */
|
|
{ "DACL Mixer", "AIF1 Slot 0 Digital DAC Playback Switch", "AIF1 DA0L Stereo Mux" },
|
|
{ "DACL Mixer", "AIF2 Digital DAC Playback Switch", "AIF2 DACL Source" },
|
|
{ "DACL Mixer", "ADC Digital DAC Playback Switch", "ADCL" },
|
|
|
|
{ "DACR Mixer", "AIF1 Slot 0 Digital DAC Playback Switch", "AIF1 DA0R Stereo Mux" },
|
|
{ "DACR Mixer", "AIF2 Digital DAC Playback Switch", "AIF2 DACR Source" },
|
|
{ "DACR Mixer", "ADC Digital DAC Playback Switch", "ADCR" },
|
|
};
|
|
|
|
static const struct snd_soc_dapm_widget sun8i_codec_legacy_widgets[] = {
|
|
/* Legacy ADC Inputs (connected to analog codec DAPM context) */
|
|
SND_SOC_DAPM_ADC("AIF1 Slot 0 Left ADC", NULL, SND_SOC_NOPM, 0, 0),
|
|
SND_SOC_DAPM_ADC("AIF1 Slot 0 Right ADC", NULL, SND_SOC_NOPM, 0, 0),
|
|
|
|
/* Legacy DAC Outputs (connected to analog codec DAPM context) */
|
|
SND_SOC_DAPM_DAC("AIF1 Slot 0 Left", NULL, SND_SOC_NOPM, 0, 0),
|
|
SND_SOC_DAPM_DAC("AIF1 Slot 0 Right", NULL, SND_SOC_NOPM, 0, 0),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route sun8i_codec_legacy_routes[] = {
|
|
/* Legacy ADC Routes */
|
|
{ "ADCL", NULL, "AIF1 Slot 0 Left ADC" },
|
|
{ "ADCR", NULL, "AIF1 Slot 0 Right ADC" },
|
|
|
|
/* Legacy DAC Routes */
|
|
{ "AIF1 Slot 0 Left", NULL, "DACL" },
|
|
{ "AIF1 Slot 0 Right", NULL, "DACR" },
|
|
};
|
|
|
|
static int sun8i_codec_component_probe(struct snd_soc_component *component)
|
|
{
|
|
struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
|
|
struct sun8i_codec *scodec = snd_soc_component_get_drvdata(component);
|
|
int ret;
|
|
|
|
/* Add widgets for backward compatibility with old device trees. */
|
|
if (scodec->quirks->legacy_widgets) {
|
|
ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_legacy_widgets,
|
|
ARRAY_SIZE(sun8i_codec_legacy_widgets));
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_legacy_routes,
|
|
ARRAY_SIZE(sun8i_codec_legacy_routes));
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* AIF1CLK and AIF2CLK share a pair of clock parents: PLL_AUDIO ("mod")
|
|
* and MCLK (from the CPU DAI connected to AIF1). MCLK's parent is also
|
|
* PLL_AUDIO, so using it adds no additional flexibility. Use PLL_AUDIO
|
|
* directly to simplify the clock tree.
|
|
*/
|
|
regmap_update_bits(scodec->regmap, SUN8I_SYSCLK_CTL,
|
|
SUN8I_SYSCLK_CTL_AIF1CLK_SRC_MASK |
|
|
SUN8I_SYSCLK_CTL_AIF2CLK_SRC_MASK,
|
|
SUN8I_SYSCLK_CTL_AIF1CLK_SRC_PLL |
|
|
SUN8I_SYSCLK_CTL_AIF2CLK_SRC_PLL);
|
|
|
|
/* Use AIF1CLK as the SYSCLK parent since AIF1 is used most often. */
|
|
regmap_update_bits(scodec->regmap, SUN8I_SYSCLK_CTL,
|
|
BIT(SUN8I_SYSCLK_CTL_SYSCLK_SRC),
|
|
SUN8I_SYSCLK_CTL_SYSCLK_SRC_AIF1CLK);
|
|
|
|
/* Program the default sample rate. */
|
|
sun8i_codec_update_sample_rate(scodec);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct snd_soc_component_driver sun8i_soc_component = {
|
|
.dapm_widgets = sun8i_codec_dapm_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(sun8i_codec_dapm_widgets),
|
|
.dapm_routes = sun8i_codec_dapm_routes,
|
|
.num_dapm_routes = ARRAY_SIZE(sun8i_codec_dapm_routes),
|
|
.probe = sun8i_codec_component_probe,
|
|
.idle_bias_on = 1,
|
|
.endianness = 1,
|
|
.non_legacy_dai_naming = 1,
|
|
};
|
|
|
|
static const struct regmap_config sun8i_codec_regmap_config = {
|
|
.reg_bits = 32,
|
|
.reg_stride = 4,
|
|
.val_bits = 32,
|
|
.max_register = SUN8I_DAC_MXR_SRC,
|
|
|
|
.cache_type = REGCACHE_FLAT,
|
|
};
|
|
|
|
static int sun8i_codec_probe(struct platform_device *pdev)
|
|
{
|
|
struct sun8i_codec *scodec;
|
|
void __iomem *base;
|
|
int ret;
|
|
|
|
scodec = devm_kzalloc(&pdev->dev, sizeof(*scodec), GFP_KERNEL);
|
|
if (!scodec)
|
|
return -ENOMEM;
|
|
|
|
scodec->clk_module = devm_clk_get(&pdev->dev, "mod");
|
|
if (IS_ERR(scodec->clk_module)) {
|
|
dev_err(&pdev->dev, "Failed to get the module clock\n");
|
|
return PTR_ERR(scodec->clk_module);
|
|
}
|
|
|
|
base = devm_platform_ioremap_resource(pdev, 0);
|
|
if (IS_ERR(base)) {
|
|
dev_err(&pdev->dev, "Failed to map the registers\n");
|
|
return PTR_ERR(base);
|
|
}
|
|
|
|
scodec->regmap = devm_regmap_init_mmio_clk(&pdev->dev, "bus", base,
|
|
&sun8i_codec_regmap_config);
|
|
if (IS_ERR(scodec->regmap)) {
|
|
dev_err(&pdev->dev, "Failed to create our regmap\n");
|
|
return PTR_ERR(scodec->regmap);
|
|
}
|
|
|
|
scodec->quirks = of_device_get_match_data(&pdev->dev);
|
|
|
|
platform_set_drvdata(pdev, scodec);
|
|
|
|
pm_runtime_enable(&pdev->dev);
|
|
if (!pm_runtime_enabled(&pdev->dev)) {
|
|
ret = sun8i_codec_runtime_resume(&pdev->dev);
|
|
if (ret)
|
|
goto err_pm_disable;
|
|
}
|
|
|
|
ret = devm_snd_soc_register_component(&pdev->dev, &sun8i_soc_component,
|
|
sun8i_codec_dais,
|
|
ARRAY_SIZE(sun8i_codec_dais));
|
|
if (ret) {
|
|
dev_err(&pdev->dev, "Failed to register codec\n");
|
|
goto err_suspend;
|
|
}
|
|
|
|
return ret;
|
|
|
|
err_suspend:
|
|
if (!pm_runtime_status_suspended(&pdev->dev))
|
|
sun8i_codec_runtime_suspend(&pdev->dev);
|
|
|
|
err_pm_disable:
|
|
pm_runtime_disable(&pdev->dev);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int sun8i_codec_remove(struct platform_device *pdev)
|
|
{
|
|
pm_runtime_disable(&pdev->dev);
|
|
if (!pm_runtime_status_suspended(&pdev->dev))
|
|
sun8i_codec_runtime_suspend(&pdev->dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct sun8i_codec_quirks sun8i_a33_quirks = {
|
|
.legacy_widgets = true,
|
|
.lrck_inversion = true,
|
|
};
|
|
|
|
static const struct sun8i_codec_quirks sun50i_a64_quirks = {
|
|
};
|
|
|
|
static const struct of_device_id sun8i_codec_of_match[] = {
|
|
{ .compatible = "allwinner,sun8i-a33-codec", .data = &sun8i_a33_quirks },
|
|
{ .compatible = "allwinner,sun50i-a64-codec", .data = &sun50i_a64_quirks },
|
|
{}
|
|
};
|
|
MODULE_DEVICE_TABLE(of, sun8i_codec_of_match);
|
|
|
|
static const struct dev_pm_ops sun8i_codec_pm_ops = {
|
|
SET_RUNTIME_PM_OPS(sun8i_codec_runtime_suspend,
|
|
sun8i_codec_runtime_resume, NULL)
|
|
};
|
|
|
|
static struct platform_driver sun8i_codec_driver = {
|
|
.driver = {
|
|
.name = "sun8i-codec",
|
|
.of_match_table = sun8i_codec_of_match,
|
|
.pm = &sun8i_codec_pm_ops,
|
|
},
|
|
.probe = sun8i_codec_probe,
|
|
.remove = sun8i_codec_remove,
|
|
};
|
|
module_platform_driver(sun8i_codec_driver);
|
|
|
|
MODULE_DESCRIPTION("Allwinner A33 (sun8i) codec driver");
|
|
MODULE_AUTHOR("Mylène Josserand <mylene.josserand@free-electrons.com>");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_ALIAS("platform:sun8i-codec");
|