mirror of https://gitee.com/openkylin/linux.git
1957 lines
62 KiB
C
1957 lines
62 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* NAU88L24 ALSA SoC audio driver
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*
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* Copyright 2016 Nuvoton Technology Corp.
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* Author: John Hsu <KCHSU0@nuvoton.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/init.h>
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#include <linux/i2c.h>
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#include <linux/regmap.h>
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#include <linux/slab.h>
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#include <linux/clk.h>
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#include <linux/acpi.h>
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#include <linux/math64.h>
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#include <linux/semaphore.h>
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#include <sound/initval.h>
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#include <sound/tlv.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include <sound/jack.h>
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#include "nau8824.h"
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static int nau8824_config_sysclk(struct nau8824 *nau8824,
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int clk_id, unsigned int freq);
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static bool nau8824_is_jack_inserted(struct nau8824 *nau8824);
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/* the ADC threshold of headset */
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#define DMIC_CLK 3072000
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/* the ADC threshold of headset */
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#define HEADSET_SARADC_THD 0x80
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/* the parameter threshold of FLL */
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#define NAU_FREF_MAX 13500000
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#define NAU_FVCO_MAX 100000000
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#define NAU_FVCO_MIN 90000000
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/* scaling for mclk from sysclk_src output */
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static const struct nau8824_fll_attr mclk_src_scaling[] = {
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{ 1, 0x0 },
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{ 2, 0x2 },
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{ 4, 0x3 },
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{ 8, 0x4 },
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{ 16, 0x5 },
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{ 32, 0x6 },
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{ 3, 0x7 },
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{ 6, 0xa },
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{ 12, 0xb },
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{ 24, 0xc },
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};
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/* ratio for input clk freq */
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static const struct nau8824_fll_attr fll_ratio[] = {
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{ 512000, 0x01 },
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{ 256000, 0x02 },
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{ 128000, 0x04 },
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{ 64000, 0x08 },
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{ 32000, 0x10 },
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{ 8000, 0x20 },
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{ 4000, 0x40 },
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};
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static const struct nau8824_fll_attr fll_pre_scalar[] = {
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{ 1, 0x0 },
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{ 2, 0x1 },
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{ 4, 0x2 },
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{ 8, 0x3 },
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};
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/* the maximum frequency of CLK_ADC and CLK_DAC */
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#define CLK_DA_AD_MAX 6144000
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/* over sampling rate */
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static const struct nau8824_osr_attr osr_dac_sel[] = {
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{ 64, 2 }, /* OSR 64, SRC 1/4 */
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{ 256, 0 }, /* OSR 256, SRC 1 */
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{ 128, 1 }, /* OSR 128, SRC 1/2 */
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{ 0, 0 },
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{ 32, 3 }, /* OSR 32, SRC 1/8 */
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};
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static const struct nau8824_osr_attr osr_adc_sel[] = {
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{ 32, 3 }, /* OSR 32, SRC 1/8 */
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{ 64, 2 }, /* OSR 64, SRC 1/4 */
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{ 128, 1 }, /* OSR 128, SRC 1/2 */
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{ 256, 0 }, /* OSR 256, SRC 1 */
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};
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static const struct reg_default nau8824_reg_defaults[] = {
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{ NAU8824_REG_ENA_CTRL, 0x0000 },
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{ NAU8824_REG_CLK_GATING_ENA, 0x0000 },
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{ NAU8824_REG_CLK_DIVIDER, 0x0000 },
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{ NAU8824_REG_FLL1, 0x0000 },
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{ NAU8824_REG_FLL2, 0x3126 },
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{ NAU8824_REG_FLL3, 0x0008 },
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{ NAU8824_REG_FLL4, 0x0010 },
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{ NAU8824_REG_FLL5, 0xC000 },
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{ NAU8824_REG_FLL6, 0x6000 },
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{ NAU8824_REG_FLL_VCO_RSV, 0xF13C },
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{ NAU8824_REG_JACK_DET_CTRL, 0x0000 },
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{ NAU8824_REG_INTERRUPT_SETTING_1, 0x0000 },
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{ NAU8824_REG_IRQ, 0x0000 },
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{ NAU8824_REG_CLEAR_INT_REG, 0x0000 },
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{ NAU8824_REG_INTERRUPT_SETTING, 0x1000 },
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{ NAU8824_REG_SAR_ADC, 0x0015 },
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{ NAU8824_REG_VDET_COEFFICIENT, 0x0110 },
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{ NAU8824_REG_VDET_THRESHOLD_1, 0x0000 },
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{ NAU8824_REG_VDET_THRESHOLD_2, 0x0000 },
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{ NAU8824_REG_VDET_THRESHOLD_3, 0x0000 },
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{ NAU8824_REG_VDET_THRESHOLD_4, 0x0000 },
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{ NAU8824_REG_GPIO_SEL, 0x0000 },
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{ NAU8824_REG_PORT0_I2S_PCM_CTRL_1, 0x000B },
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{ NAU8824_REG_PORT0_I2S_PCM_CTRL_2, 0x0010 },
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{ NAU8824_REG_PORT0_LEFT_TIME_SLOT, 0x0000 },
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{ NAU8824_REG_PORT0_RIGHT_TIME_SLOT, 0x0000 },
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{ NAU8824_REG_TDM_CTRL, 0x0000 },
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{ NAU8824_REG_ADC_HPF_FILTER, 0x0000 },
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{ NAU8824_REG_ADC_FILTER_CTRL, 0x0002 },
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{ NAU8824_REG_DAC_FILTER_CTRL_1, 0x0000 },
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{ NAU8824_REG_DAC_FILTER_CTRL_2, 0x0000 },
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{ NAU8824_REG_NOTCH_FILTER_1, 0x0000 },
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{ NAU8824_REG_NOTCH_FILTER_2, 0x0000 },
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{ NAU8824_REG_EQ1_LOW, 0x112C },
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{ NAU8824_REG_EQ2_EQ3, 0x2C2C },
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{ NAU8824_REG_EQ4_EQ5, 0x2C2C },
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{ NAU8824_REG_ADC_CH0_DGAIN_CTRL, 0x0100 },
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{ NAU8824_REG_ADC_CH1_DGAIN_CTRL, 0x0100 },
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{ NAU8824_REG_ADC_CH2_DGAIN_CTRL, 0x0100 },
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{ NAU8824_REG_ADC_CH3_DGAIN_CTRL, 0x0100 },
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{ NAU8824_REG_DAC_MUTE_CTRL, 0x0000 },
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{ NAU8824_REG_DAC_CH0_DGAIN_CTRL, 0x0100 },
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{ NAU8824_REG_DAC_CH1_DGAIN_CTRL, 0x0100 },
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{ NAU8824_REG_ADC_TO_DAC_ST, 0x0000 },
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{ NAU8824_REG_DRC_KNEE_IP12_ADC_CH01, 0x1486 },
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{ NAU8824_REG_DRC_KNEE_IP34_ADC_CH01, 0x0F12 },
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{ NAU8824_REG_DRC_SLOPE_ADC_CH01, 0x25FF },
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{ NAU8824_REG_DRC_ATKDCY_ADC_CH01, 0x3457 },
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{ NAU8824_REG_DRC_KNEE_IP12_ADC_CH23, 0x1486 },
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{ NAU8824_REG_DRC_KNEE_IP34_ADC_CH23, 0x0F12 },
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{ NAU8824_REG_DRC_SLOPE_ADC_CH23, 0x25FF },
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{ NAU8824_REG_DRC_ATKDCY_ADC_CH23, 0x3457 },
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{ NAU8824_REG_DRC_GAINL_ADC0, 0x0200 },
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{ NAU8824_REG_DRC_GAINL_ADC1, 0x0200 },
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{ NAU8824_REG_DRC_GAINL_ADC2, 0x0200 },
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{ NAU8824_REG_DRC_GAINL_ADC3, 0x0200 },
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{ NAU8824_REG_DRC_KNEE_IP12_DAC, 0x1486 },
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{ NAU8824_REG_DRC_KNEE_IP34_DAC, 0x0F12 },
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{ NAU8824_REG_DRC_SLOPE_DAC, 0x25F9 },
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{ NAU8824_REG_DRC_ATKDCY_DAC, 0x3457 },
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{ NAU8824_REG_DRC_GAIN_DAC_CH0, 0x0200 },
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{ NAU8824_REG_DRC_GAIN_DAC_CH1, 0x0200 },
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{ NAU8824_REG_MODE, 0x0000 },
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{ NAU8824_REG_MODE1, 0x0000 },
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{ NAU8824_REG_MODE2, 0x0000 },
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{ NAU8824_REG_CLASSG, 0x0000 },
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{ NAU8824_REG_OTP_EFUSE, 0x0000 },
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{ NAU8824_REG_OTPDOUT_1, 0x0000 },
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{ NAU8824_REG_OTPDOUT_2, 0x0000 },
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{ NAU8824_REG_MISC_CTRL, 0x0000 },
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{ NAU8824_REG_I2C_TIMEOUT, 0xEFFF },
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{ NAU8824_REG_TEST_MODE, 0x0000 },
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{ NAU8824_REG_I2C_DEVICE_ID, 0x1AF1 },
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{ NAU8824_REG_SAR_ADC_DATA_OUT, 0x00FF },
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{ NAU8824_REG_BIAS_ADJ, 0x0000 },
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{ NAU8824_REG_PGA_GAIN, 0x0000 },
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{ NAU8824_REG_TRIM_SETTINGS, 0x0000 },
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{ NAU8824_REG_ANALOG_CONTROL_1, 0x0000 },
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{ NAU8824_REG_ANALOG_CONTROL_2, 0x0000 },
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{ NAU8824_REG_ENABLE_LO, 0x0000 },
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{ NAU8824_REG_GAIN_LO, 0x0000 },
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{ NAU8824_REG_CLASSD_GAIN_1, 0x0000 },
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{ NAU8824_REG_CLASSD_GAIN_2, 0x0000 },
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{ NAU8824_REG_ANALOG_ADC_1, 0x0011 },
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{ NAU8824_REG_ANALOG_ADC_2, 0x0020 },
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{ NAU8824_REG_RDAC, 0x0008 },
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{ NAU8824_REG_MIC_BIAS, 0x0006 },
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{ NAU8824_REG_HS_VOLUME_CONTROL, 0x0000 },
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{ NAU8824_REG_BOOST, 0x0000 },
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{ NAU8824_REG_FEPGA, 0x0000 },
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{ NAU8824_REG_FEPGA_II, 0x0000 },
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{ NAU8824_REG_FEPGA_SE, 0x0000 },
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{ NAU8824_REG_FEPGA_ATTENUATION, 0x0000 },
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{ NAU8824_REG_ATT_PORT0, 0x0000 },
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{ NAU8824_REG_ATT_PORT1, 0x0000 },
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{ NAU8824_REG_POWER_UP_CONTROL, 0x0000 },
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{ NAU8824_REG_CHARGE_PUMP_CONTROL, 0x0300 },
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{ NAU8824_REG_CHARGE_PUMP_INPUT, 0x0013 },
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};
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static int nau8824_sema_acquire(struct nau8824 *nau8824, long timeout)
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{
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int ret;
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if (timeout) {
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ret = down_timeout(&nau8824->jd_sem, timeout);
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if (ret < 0)
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dev_warn(nau8824->dev, "Acquire semaphore timeout\n");
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} else {
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ret = down_interruptible(&nau8824->jd_sem);
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if (ret < 0)
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dev_warn(nau8824->dev, "Acquire semaphore fail\n");
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}
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return ret;
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}
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static inline void nau8824_sema_release(struct nau8824 *nau8824)
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{
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up(&nau8824->jd_sem);
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}
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static bool nau8824_readable_reg(struct device *dev, unsigned int reg)
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{
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switch (reg) {
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case NAU8824_REG_ENA_CTRL ... NAU8824_REG_FLL_VCO_RSV:
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case NAU8824_REG_JACK_DET_CTRL:
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case NAU8824_REG_INTERRUPT_SETTING_1:
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case NAU8824_REG_IRQ:
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case NAU8824_REG_CLEAR_INT_REG ... NAU8824_REG_VDET_THRESHOLD_4:
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case NAU8824_REG_GPIO_SEL:
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case NAU8824_REG_PORT0_I2S_PCM_CTRL_1 ... NAU8824_REG_TDM_CTRL:
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case NAU8824_REG_ADC_HPF_FILTER ... NAU8824_REG_EQ4_EQ5:
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case NAU8824_REG_ADC_CH0_DGAIN_CTRL ... NAU8824_REG_ADC_TO_DAC_ST:
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case NAU8824_REG_DRC_KNEE_IP12_ADC_CH01 ... NAU8824_REG_DRC_GAINL_ADC3:
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case NAU8824_REG_DRC_KNEE_IP12_DAC ... NAU8824_REG_DRC_GAIN_DAC_CH1:
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case NAU8824_REG_CLASSG ... NAU8824_REG_OTP_EFUSE:
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case NAU8824_REG_OTPDOUT_1 ... NAU8824_REG_OTPDOUT_2:
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case NAU8824_REG_I2C_TIMEOUT:
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case NAU8824_REG_I2C_DEVICE_ID ... NAU8824_REG_SAR_ADC_DATA_OUT:
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case NAU8824_REG_BIAS_ADJ ... NAU8824_REG_CLASSD_GAIN_2:
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case NAU8824_REG_ANALOG_ADC_1 ... NAU8824_REG_ATT_PORT1:
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case NAU8824_REG_POWER_UP_CONTROL ... NAU8824_REG_CHARGE_PUMP_INPUT:
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return true;
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default:
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return false;
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}
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}
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static bool nau8824_writeable_reg(struct device *dev, unsigned int reg)
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{
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switch (reg) {
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case NAU8824_REG_RESET ... NAU8824_REG_FLL_VCO_RSV:
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case NAU8824_REG_JACK_DET_CTRL:
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case NAU8824_REG_INTERRUPT_SETTING_1:
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case NAU8824_REG_CLEAR_INT_REG ... NAU8824_REG_VDET_THRESHOLD_4:
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case NAU8824_REG_GPIO_SEL:
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case NAU8824_REG_PORT0_I2S_PCM_CTRL_1 ... NAU8824_REG_TDM_CTRL:
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case NAU8824_REG_ADC_HPF_FILTER ... NAU8824_REG_EQ4_EQ5:
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case NAU8824_REG_ADC_CH0_DGAIN_CTRL ... NAU8824_REG_ADC_TO_DAC_ST:
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case NAU8824_REG_DRC_KNEE_IP12_ADC_CH01:
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case NAU8824_REG_DRC_KNEE_IP34_ADC_CH01:
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case NAU8824_REG_DRC_SLOPE_ADC_CH01:
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case NAU8824_REG_DRC_ATKDCY_ADC_CH01:
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case NAU8824_REG_DRC_KNEE_IP12_ADC_CH23:
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case NAU8824_REG_DRC_KNEE_IP34_ADC_CH23:
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case NAU8824_REG_DRC_SLOPE_ADC_CH23:
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case NAU8824_REG_DRC_ATKDCY_ADC_CH23:
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case NAU8824_REG_DRC_KNEE_IP12_DAC ... NAU8824_REG_DRC_ATKDCY_DAC:
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case NAU8824_REG_CLASSG ... NAU8824_REG_OTP_EFUSE:
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case NAU8824_REG_I2C_TIMEOUT:
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case NAU8824_REG_BIAS_ADJ ... NAU8824_REG_CLASSD_GAIN_2:
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case NAU8824_REG_ANALOG_ADC_1 ... NAU8824_REG_ATT_PORT1:
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case NAU8824_REG_POWER_UP_CONTROL ... NAU8824_REG_CHARGE_PUMP_CONTROL:
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return true;
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default:
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return false;
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}
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}
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static bool nau8824_volatile_reg(struct device *dev, unsigned int reg)
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{
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switch (reg) {
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case NAU8824_REG_RESET:
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case NAU8824_REG_IRQ ... NAU8824_REG_CLEAR_INT_REG:
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case NAU8824_REG_DRC_GAINL_ADC0 ... NAU8824_REG_DRC_GAINL_ADC3:
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case NAU8824_REG_DRC_GAIN_DAC_CH0 ... NAU8824_REG_DRC_GAIN_DAC_CH1:
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case NAU8824_REG_OTPDOUT_1 ... NAU8824_REG_OTPDOUT_2:
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case NAU8824_REG_I2C_DEVICE_ID ... NAU8824_REG_SAR_ADC_DATA_OUT:
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case NAU8824_REG_CHARGE_PUMP_INPUT:
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return true;
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default:
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return false;
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}
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}
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static const char * const nau8824_companding[] = {
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"Off", "NC", "u-law", "A-law" };
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static const struct soc_enum nau8824_companding_adc_enum =
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SOC_ENUM_SINGLE(NAU8824_REG_PORT0_I2S_PCM_CTRL_1, 12,
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ARRAY_SIZE(nau8824_companding), nau8824_companding);
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static const struct soc_enum nau8824_companding_dac_enum =
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SOC_ENUM_SINGLE(NAU8824_REG_PORT0_I2S_PCM_CTRL_1, 14,
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ARRAY_SIZE(nau8824_companding), nau8824_companding);
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static const char * const nau8824_adc_decimation[] = {
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"32", "64", "128", "256" };
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static const struct soc_enum nau8824_adc_decimation_enum =
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SOC_ENUM_SINGLE(NAU8824_REG_ADC_FILTER_CTRL, 0,
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ARRAY_SIZE(nau8824_adc_decimation), nau8824_adc_decimation);
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static const char * const nau8824_dac_oversampl[] = {
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"64", "256", "128", "", "32" };
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static const struct soc_enum nau8824_dac_oversampl_enum =
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SOC_ENUM_SINGLE(NAU8824_REG_DAC_FILTER_CTRL_1, 0,
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ARRAY_SIZE(nau8824_dac_oversampl), nau8824_dac_oversampl);
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static const char * const nau8824_input_channel[] = {
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"Input CH0", "Input CH1", "Input CH2", "Input CH3" };
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static const struct soc_enum nau8824_adc_ch0_enum =
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SOC_ENUM_SINGLE(NAU8824_REG_ADC_CH0_DGAIN_CTRL, 9,
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ARRAY_SIZE(nau8824_input_channel), nau8824_input_channel);
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static const struct soc_enum nau8824_adc_ch1_enum =
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SOC_ENUM_SINGLE(NAU8824_REG_ADC_CH1_DGAIN_CTRL, 9,
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ARRAY_SIZE(nau8824_input_channel), nau8824_input_channel);
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static const struct soc_enum nau8824_adc_ch2_enum =
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SOC_ENUM_SINGLE(NAU8824_REG_ADC_CH2_DGAIN_CTRL, 9,
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ARRAY_SIZE(nau8824_input_channel), nau8824_input_channel);
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static const struct soc_enum nau8824_adc_ch3_enum =
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SOC_ENUM_SINGLE(NAU8824_REG_ADC_CH3_DGAIN_CTRL, 9,
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ARRAY_SIZE(nau8824_input_channel), nau8824_input_channel);
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static const char * const nau8824_tdm_slot[] = {
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"Slot 0", "Slot 1", "Slot 2", "Slot 3" };
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static const struct soc_enum nau8824_dac_left_sel_enum =
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SOC_ENUM_SINGLE(NAU8824_REG_TDM_CTRL, 6,
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ARRAY_SIZE(nau8824_tdm_slot), nau8824_tdm_slot);
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static const struct soc_enum nau8824_dac_right_sel_enum =
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SOC_ENUM_SINGLE(NAU8824_REG_TDM_CTRL, 4,
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ARRAY_SIZE(nau8824_tdm_slot), nau8824_tdm_slot);
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static const DECLARE_TLV_DB_MINMAX_MUTE(spk_vol_tlv, 0, 2400);
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static const DECLARE_TLV_DB_MINMAX(hp_vol_tlv, -3000, 0);
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static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 200, 0);
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static const DECLARE_TLV_DB_SCALE(dmic_vol_tlv, -12800, 50, 0);
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static const struct snd_kcontrol_new nau8824_snd_controls[] = {
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SOC_ENUM("ADC Companding", nau8824_companding_adc_enum),
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SOC_ENUM("DAC Companding", nau8824_companding_dac_enum),
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SOC_ENUM("ADC Decimation Rate", nau8824_adc_decimation_enum),
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SOC_ENUM("DAC Oversampling Rate", nau8824_dac_oversampl_enum),
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SOC_SINGLE_TLV("Speaker Right DACR Volume",
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NAU8824_REG_CLASSD_GAIN_1, 8, 0x1f, 0, spk_vol_tlv),
|
|
SOC_SINGLE_TLV("Speaker Left DACL Volume",
|
|
NAU8824_REG_CLASSD_GAIN_2, 0, 0x1f, 0, spk_vol_tlv),
|
|
SOC_SINGLE_TLV("Speaker Left DACR Volume",
|
|
NAU8824_REG_CLASSD_GAIN_1, 0, 0x1f, 0, spk_vol_tlv),
|
|
SOC_SINGLE_TLV("Speaker Right DACL Volume",
|
|
NAU8824_REG_CLASSD_GAIN_2, 8, 0x1f, 0, spk_vol_tlv),
|
|
|
|
SOC_SINGLE_TLV("Headphone Right DACR Volume",
|
|
NAU8824_REG_ATT_PORT0, 8, 0x1f, 0, hp_vol_tlv),
|
|
SOC_SINGLE_TLV("Headphone Left DACL Volume",
|
|
NAU8824_REG_ATT_PORT0, 0, 0x1f, 0, hp_vol_tlv),
|
|
SOC_SINGLE_TLV("Headphone Right DACL Volume",
|
|
NAU8824_REG_ATT_PORT1, 8, 0x1f, 0, hp_vol_tlv),
|
|
SOC_SINGLE_TLV("Headphone Left DACR Volume",
|
|
NAU8824_REG_ATT_PORT1, 0, 0x1f, 0, hp_vol_tlv),
|
|
|
|
SOC_SINGLE_TLV("MIC1 Volume", NAU8824_REG_FEPGA_II,
|
|
NAU8824_FEPGA_GAINL_SFT, 0x12, 0, mic_vol_tlv),
|
|
SOC_SINGLE_TLV("MIC2 Volume", NAU8824_REG_FEPGA_II,
|
|
NAU8824_FEPGA_GAINR_SFT, 0x12, 0, mic_vol_tlv),
|
|
|
|
SOC_SINGLE_TLV("DMIC1 Volume", NAU8824_REG_ADC_CH0_DGAIN_CTRL,
|
|
0, 0x164, 0, dmic_vol_tlv),
|
|
SOC_SINGLE_TLV("DMIC2 Volume", NAU8824_REG_ADC_CH1_DGAIN_CTRL,
|
|
0, 0x164, 0, dmic_vol_tlv),
|
|
SOC_SINGLE_TLV("DMIC3 Volume", NAU8824_REG_ADC_CH2_DGAIN_CTRL,
|
|
0, 0x164, 0, dmic_vol_tlv),
|
|
SOC_SINGLE_TLV("DMIC4 Volume", NAU8824_REG_ADC_CH3_DGAIN_CTRL,
|
|
0, 0x164, 0, dmic_vol_tlv),
|
|
|
|
SOC_ENUM("ADC CH0 Select", nau8824_adc_ch0_enum),
|
|
SOC_ENUM("ADC CH1 Select", nau8824_adc_ch1_enum),
|
|
SOC_ENUM("ADC CH2 Select", nau8824_adc_ch2_enum),
|
|
SOC_ENUM("ADC CH3 Select", nau8824_adc_ch3_enum),
|
|
|
|
SOC_SINGLE("ADC CH0 TX Switch", NAU8824_REG_TDM_CTRL, 0, 1, 0),
|
|
SOC_SINGLE("ADC CH1 TX Switch", NAU8824_REG_TDM_CTRL, 1, 1, 0),
|
|
SOC_SINGLE("ADC CH2 TX Switch", NAU8824_REG_TDM_CTRL, 2, 1, 0),
|
|
SOC_SINGLE("ADC CH3 TX Switch", NAU8824_REG_TDM_CTRL, 3, 1, 0),
|
|
|
|
SOC_ENUM("DACL Channel Source", nau8824_dac_left_sel_enum),
|
|
SOC_ENUM("DACR Channel Source", nau8824_dac_right_sel_enum),
|
|
|
|
SOC_SINGLE("DACL LR Mix", NAU8824_REG_DAC_MUTE_CTRL, 0, 1, 0),
|
|
SOC_SINGLE("DACR LR Mix", NAU8824_REG_DAC_MUTE_CTRL, 1, 1, 0),
|
|
|
|
SOC_SINGLE("THD for key media",
|
|
NAU8824_REG_VDET_THRESHOLD_1, 8, 0xff, 0),
|
|
SOC_SINGLE("THD for key voice command",
|
|
NAU8824_REG_VDET_THRESHOLD_1, 0, 0xff, 0),
|
|
SOC_SINGLE("THD for key volume up",
|
|
NAU8824_REG_VDET_THRESHOLD_2, 8, 0xff, 0),
|
|
SOC_SINGLE("THD for key volume down",
|
|
NAU8824_REG_VDET_THRESHOLD_2, 0, 0xff, 0),
|
|
};
|
|
|
|
static int nau8824_output_dac_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 nau8824 *nau8824 = snd_soc_component_get_drvdata(component);
|
|
|
|
switch (event) {
|
|
case SND_SOC_DAPM_PRE_PMU:
|
|
/* Disables the TESTDAC to let DAC signal pass through. */
|
|
regmap_update_bits(nau8824->regmap, NAU8824_REG_ENABLE_LO,
|
|
NAU8824_TEST_DAC_EN, 0);
|
|
break;
|
|
case SND_SOC_DAPM_POST_PMD:
|
|
regmap_update_bits(nau8824->regmap, NAU8824_REG_ENABLE_LO,
|
|
NAU8824_TEST_DAC_EN, NAU8824_TEST_DAC_EN);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int nau8824_spk_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 nau8824 *nau8824 = snd_soc_component_get_drvdata(component);
|
|
|
|
switch (event) {
|
|
case SND_SOC_DAPM_PRE_PMU:
|
|
regmap_update_bits(nau8824->regmap,
|
|
NAU8824_REG_ANALOG_CONTROL_2,
|
|
NAU8824_CLASSD_CLAMP_DIS, NAU8824_CLASSD_CLAMP_DIS);
|
|
break;
|
|
case SND_SOC_DAPM_POST_PMD:
|
|
regmap_update_bits(nau8824->regmap,
|
|
NAU8824_REG_ANALOG_CONTROL_2,
|
|
NAU8824_CLASSD_CLAMP_DIS, 0);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int nau8824_pump_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 nau8824 *nau8824 = snd_soc_component_get_drvdata(component);
|
|
|
|
switch (event) {
|
|
case SND_SOC_DAPM_POST_PMU:
|
|
/* Prevent startup click by letting charge pump to ramp up */
|
|
msleep(10);
|
|
regmap_update_bits(nau8824->regmap,
|
|
NAU8824_REG_CHARGE_PUMP_CONTROL,
|
|
NAU8824_JAMNODCLOW, NAU8824_JAMNODCLOW);
|
|
break;
|
|
case SND_SOC_DAPM_PRE_PMD:
|
|
regmap_update_bits(nau8824->regmap,
|
|
NAU8824_REG_CHARGE_PUMP_CONTROL,
|
|
NAU8824_JAMNODCLOW, 0);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int system_clock_control(struct snd_soc_dapm_widget *w,
|
|
struct snd_kcontrol *k, int event)
|
|
{
|
|
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
|
|
struct nau8824 *nau8824 = snd_soc_component_get_drvdata(component);
|
|
struct regmap *regmap = nau8824->regmap;
|
|
unsigned int value;
|
|
bool clk_fll, error;
|
|
|
|
if (SND_SOC_DAPM_EVENT_OFF(event)) {
|
|
dev_dbg(nau8824->dev, "system clock control : POWER OFF\n");
|
|
/* Set clock source to disable or internal clock before the
|
|
* playback or capture end. Codec needs clock for Jack
|
|
* detection and button press if jack inserted; otherwise,
|
|
* the clock should be closed.
|
|
*/
|
|
if (nau8824_is_jack_inserted(nau8824)) {
|
|
nau8824_config_sysclk(nau8824,
|
|
NAU8824_CLK_INTERNAL, 0);
|
|
} else {
|
|
nau8824_config_sysclk(nau8824, NAU8824_CLK_DIS, 0);
|
|
}
|
|
} else {
|
|
dev_dbg(nau8824->dev, "system clock control : POWER ON\n");
|
|
/* Check the clock source setting is proper or not
|
|
* no matter the source is from FLL or MCLK.
|
|
*/
|
|
regmap_read(regmap, NAU8824_REG_FLL1, &value);
|
|
clk_fll = value & NAU8824_FLL_RATIO_MASK;
|
|
/* It's error to use internal clock when playback */
|
|
regmap_read(regmap, NAU8824_REG_FLL6, &value);
|
|
error = value & NAU8824_DCO_EN;
|
|
if (!error) {
|
|
/* Check error depending on source is FLL or MCLK. */
|
|
regmap_read(regmap, NAU8824_REG_CLK_DIVIDER, &value);
|
|
if (clk_fll)
|
|
error = !(value & NAU8824_CLK_SRC_VCO);
|
|
else
|
|
error = value & NAU8824_CLK_SRC_VCO;
|
|
}
|
|
/* Recover the clock source setting if error. */
|
|
if (error) {
|
|
if (clk_fll) {
|
|
regmap_update_bits(regmap,
|
|
NAU8824_REG_FLL6, NAU8824_DCO_EN, 0);
|
|
regmap_update_bits(regmap,
|
|
NAU8824_REG_CLK_DIVIDER,
|
|
NAU8824_CLK_SRC_MASK,
|
|
NAU8824_CLK_SRC_VCO);
|
|
} else {
|
|
nau8824_config_sysclk(nau8824,
|
|
NAU8824_CLK_MCLK, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int dmic_clock_control(struct snd_soc_dapm_widget *w,
|
|
struct snd_kcontrol *k, int event)
|
|
{
|
|
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
|
|
struct nau8824 *nau8824 = snd_soc_component_get_drvdata(component);
|
|
int src;
|
|
|
|
/* The DMIC clock is gotten from system clock (256fs) divided by
|
|
* DMIC_SRC (1, 2, 4, 8, 16, 32). The clock has to be equal or
|
|
* less than 3.072 MHz.
|
|
*/
|
|
for (src = 0; src < 5; src++) {
|
|
if ((0x1 << (8 - src)) * nau8824->fs <= DMIC_CLK)
|
|
break;
|
|
}
|
|
dev_dbg(nau8824->dev, "dmic src %d for mclk %d\n", src, nau8824->fs * 256);
|
|
regmap_update_bits(nau8824->regmap, NAU8824_REG_CLK_DIVIDER,
|
|
NAU8824_CLK_DMIC_SRC_MASK, (src << NAU8824_CLK_DMIC_SRC_SFT));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct snd_kcontrol_new nau8824_adc_ch0_dmic =
|
|
SOC_DAPM_SINGLE("Switch", NAU8824_REG_ENA_CTRL,
|
|
NAU8824_ADC_CH0_DMIC_SFT, 1, 0);
|
|
|
|
static const struct snd_kcontrol_new nau8824_adc_ch1_dmic =
|
|
SOC_DAPM_SINGLE("Switch", NAU8824_REG_ENA_CTRL,
|
|
NAU8824_ADC_CH1_DMIC_SFT, 1, 0);
|
|
|
|
static const struct snd_kcontrol_new nau8824_adc_ch2_dmic =
|
|
SOC_DAPM_SINGLE("Switch", NAU8824_REG_ENA_CTRL,
|
|
NAU8824_ADC_CH2_DMIC_SFT, 1, 0);
|
|
|
|
static const struct snd_kcontrol_new nau8824_adc_ch3_dmic =
|
|
SOC_DAPM_SINGLE("Switch", NAU8824_REG_ENA_CTRL,
|
|
NAU8824_ADC_CH3_DMIC_SFT, 1, 0);
|
|
|
|
static const struct snd_kcontrol_new nau8824_adc_left_mixer[] = {
|
|
SOC_DAPM_SINGLE("MIC Switch", NAU8824_REG_FEPGA,
|
|
NAU8824_FEPGA_MODEL_MIC1_SFT, 1, 0),
|
|
SOC_DAPM_SINGLE("HSMIC Switch", NAU8824_REG_FEPGA,
|
|
NAU8824_FEPGA_MODEL_HSMIC_SFT, 1, 0),
|
|
};
|
|
|
|
static const struct snd_kcontrol_new nau8824_adc_right_mixer[] = {
|
|
SOC_DAPM_SINGLE("MIC Switch", NAU8824_REG_FEPGA,
|
|
NAU8824_FEPGA_MODER_MIC2_SFT, 1, 0),
|
|
SOC_DAPM_SINGLE("HSMIC Switch", NAU8824_REG_FEPGA,
|
|
NAU8824_FEPGA_MODER_HSMIC_SFT, 1, 0),
|
|
};
|
|
|
|
static const struct snd_kcontrol_new nau8824_hp_left_mixer[] = {
|
|
SOC_DAPM_SINGLE("DAC Right Switch", NAU8824_REG_ENABLE_LO,
|
|
NAU8824_DACR_HPL_EN_SFT, 1, 0),
|
|
SOC_DAPM_SINGLE("DAC Left Switch", NAU8824_REG_ENABLE_LO,
|
|
NAU8824_DACL_HPL_EN_SFT, 1, 0),
|
|
};
|
|
|
|
static const struct snd_kcontrol_new nau8824_hp_right_mixer[] = {
|
|
SOC_DAPM_SINGLE("DAC Left Switch", NAU8824_REG_ENABLE_LO,
|
|
NAU8824_DACL_HPR_EN_SFT, 1, 0),
|
|
SOC_DAPM_SINGLE("DAC Right Switch", NAU8824_REG_ENABLE_LO,
|
|
NAU8824_DACR_HPR_EN_SFT, 1, 0),
|
|
};
|
|
|
|
static const char * const nau8824_dac_src[] = { "DACL", "DACR" };
|
|
|
|
static SOC_ENUM_SINGLE_DECL(
|
|
nau8824_dacl_enum, NAU8824_REG_DAC_CH0_DGAIN_CTRL,
|
|
NAU8824_DAC_CH0_SEL_SFT, nau8824_dac_src);
|
|
|
|
static SOC_ENUM_SINGLE_DECL(
|
|
nau8824_dacr_enum, NAU8824_REG_DAC_CH1_DGAIN_CTRL,
|
|
NAU8824_DAC_CH1_SEL_SFT, nau8824_dac_src);
|
|
|
|
static const struct snd_kcontrol_new nau8824_dacl_mux =
|
|
SOC_DAPM_ENUM("DACL Source", nau8824_dacl_enum);
|
|
|
|
static const struct snd_kcontrol_new nau8824_dacr_mux =
|
|
SOC_DAPM_ENUM("DACR Source", nau8824_dacr_enum);
|
|
|
|
|
|
static const struct snd_soc_dapm_widget nau8824_dapm_widgets[] = {
|
|
SND_SOC_DAPM_SUPPLY("System Clock", SND_SOC_NOPM, 0, 0,
|
|
system_clock_control, SND_SOC_DAPM_POST_PMD |
|
|
SND_SOC_DAPM_POST_PMU),
|
|
|
|
SND_SOC_DAPM_INPUT("HSMIC1"),
|
|
SND_SOC_DAPM_INPUT("HSMIC2"),
|
|
SND_SOC_DAPM_INPUT("MIC1"),
|
|
SND_SOC_DAPM_INPUT("MIC2"),
|
|
SND_SOC_DAPM_INPUT("DMIC1"),
|
|
SND_SOC_DAPM_INPUT("DMIC2"),
|
|
SND_SOC_DAPM_INPUT("DMIC3"),
|
|
SND_SOC_DAPM_INPUT("DMIC4"),
|
|
|
|
SND_SOC_DAPM_SUPPLY("SAR", NAU8824_REG_SAR_ADC,
|
|
NAU8824_SAR_ADC_EN_SFT, 0, NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("MICBIAS", NAU8824_REG_MIC_BIAS,
|
|
NAU8824_MICBIAS_POWERUP_SFT, 0, NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("DMIC12 Power", NAU8824_REG_BIAS_ADJ,
|
|
NAU8824_DMIC1_EN_SFT, 0, NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("DMIC34 Power", NAU8824_REG_BIAS_ADJ,
|
|
NAU8824_DMIC2_EN_SFT, 0, NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("DMIC Clock", SND_SOC_NOPM, 0, 0,
|
|
dmic_clock_control, SND_SOC_DAPM_POST_PMU),
|
|
|
|
SND_SOC_DAPM_SWITCH("DMIC1 Enable", SND_SOC_NOPM,
|
|
0, 0, &nau8824_adc_ch0_dmic),
|
|
SND_SOC_DAPM_SWITCH("DMIC2 Enable", SND_SOC_NOPM,
|
|
0, 0, &nau8824_adc_ch1_dmic),
|
|
SND_SOC_DAPM_SWITCH("DMIC3 Enable", SND_SOC_NOPM,
|
|
0, 0, &nau8824_adc_ch2_dmic),
|
|
SND_SOC_DAPM_SWITCH("DMIC4 Enable", SND_SOC_NOPM,
|
|
0, 0, &nau8824_adc_ch3_dmic),
|
|
|
|
SND_SOC_DAPM_MIXER("Left ADC", NAU8824_REG_POWER_UP_CONTROL,
|
|
12, 0, nau8824_adc_left_mixer,
|
|
ARRAY_SIZE(nau8824_adc_left_mixer)),
|
|
SND_SOC_DAPM_MIXER("Right ADC", NAU8824_REG_POWER_UP_CONTROL,
|
|
13, 0, nau8824_adc_right_mixer,
|
|
ARRAY_SIZE(nau8824_adc_right_mixer)),
|
|
|
|
SND_SOC_DAPM_ADC("ADCL", NULL, NAU8824_REG_ANALOG_ADC_2,
|
|
NAU8824_ADCL_EN_SFT, 0),
|
|
SND_SOC_DAPM_ADC("ADCR", NULL, NAU8824_REG_ANALOG_ADC_2,
|
|
NAU8824_ADCR_EN_SFT, 0),
|
|
|
|
SND_SOC_DAPM_AIF_OUT("AIFTX", "Capture", 0, SND_SOC_NOPM, 0, 0),
|
|
SND_SOC_DAPM_AIF_IN("AIFRX", "Playback", 0, SND_SOC_NOPM, 0, 0),
|
|
|
|
SND_SOC_DAPM_DAC("DACL", NULL, NAU8824_REG_RDAC,
|
|
NAU8824_DACL_EN_SFT, 0),
|
|
SND_SOC_DAPM_SUPPLY("DACL Clock", NAU8824_REG_RDAC,
|
|
NAU8824_DACL_CLK_SFT, 0, NULL, 0),
|
|
SND_SOC_DAPM_DAC("DACR", NULL, NAU8824_REG_RDAC,
|
|
NAU8824_DACR_EN_SFT, 0),
|
|
SND_SOC_DAPM_SUPPLY("DACR Clock", NAU8824_REG_RDAC,
|
|
NAU8824_DACR_CLK_SFT, 0, NULL, 0),
|
|
|
|
SND_SOC_DAPM_MUX("DACL Mux", SND_SOC_NOPM, 0, 0, &nau8824_dacl_mux),
|
|
SND_SOC_DAPM_MUX("DACR Mux", SND_SOC_NOPM, 0, 0, &nau8824_dacr_mux),
|
|
|
|
SND_SOC_DAPM_PGA_S("Output DACL", 0, NAU8824_REG_CHARGE_PUMP_CONTROL,
|
|
8, 1, nau8824_output_dac_event,
|
|
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
|
|
SND_SOC_DAPM_PGA_S("Output DACR", 0, NAU8824_REG_CHARGE_PUMP_CONTROL,
|
|
9, 1, nau8824_output_dac_event,
|
|
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
|
|
|
|
SND_SOC_DAPM_PGA_S("ClassD", 0, NAU8824_REG_CLASSD_GAIN_1,
|
|
NAU8824_CLASSD_EN_SFT, 0, nau8824_spk_event,
|
|
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
|
|
|
|
SND_SOC_DAPM_MIXER("Left Headphone", NAU8824_REG_CLASSG,
|
|
NAU8824_CLASSG_LDAC_EN_SFT, 0, nau8824_hp_left_mixer,
|
|
ARRAY_SIZE(nau8824_hp_left_mixer)),
|
|
SND_SOC_DAPM_MIXER("Right Headphone", NAU8824_REG_CLASSG,
|
|
NAU8824_CLASSG_RDAC_EN_SFT, 0, nau8824_hp_right_mixer,
|
|
ARRAY_SIZE(nau8824_hp_right_mixer)),
|
|
SND_SOC_DAPM_PGA_S("Charge Pump", 1, NAU8824_REG_CHARGE_PUMP_CONTROL,
|
|
NAU8824_CHARGE_PUMP_EN_SFT, 0, nau8824_pump_event,
|
|
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
|
|
SND_SOC_DAPM_PGA("Output Driver L",
|
|
NAU8824_REG_POWER_UP_CONTROL, 3, 0, NULL, 0),
|
|
SND_SOC_DAPM_PGA("Output Driver R",
|
|
NAU8824_REG_POWER_UP_CONTROL, 2, 0, NULL, 0),
|
|
SND_SOC_DAPM_PGA("Main Driver L",
|
|
NAU8824_REG_POWER_UP_CONTROL, 1, 0, NULL, 0),
|
|
SND_SOC_DAPM_PGA("Main Driver R",
|
|
NAU8824_REG_POWER_UP_CONTROL, 0, 0, NULL, 0),
|
|
SND_SOC_DAPM_PGA("HP Boost Driver", NAU8824_REG_BOOST,
|
|
NAU8824_HP_BOOST_DIS_SFT, 1, NULL, 0),
|
|
SND_SOC_DAPM_PGA("Class G", NAU8824_REG_CLASSG,
|
|
NAU8824_CLASSG_EN_SFT, 0, NULL, 0),
|
|
|
|
SND_SOC_DAPM_OUTPUT("SPKOUTL"),
|
|
SND_SOC_DAPM_OUTPUT("SPKOUTR"),
|
|
SND_SOC_DAPM_OUTPUT("HPOL"),
|
|
SND_SOC_DAPM_OUTPUT("HPOR"),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route nau8824_dapm_routes[] = {
|
|
{"DMIC1 Enable", "Switch", "DMIC1"},
|
|
{"DMIC2 Enable", "Switch", "DMIC2"},
|
|
{"DMIC3 Enable", "Switch", "DMIC3"},
|
|
{"DMIC4 Enable", "Switch", "DMIC4"},
|
|
|
|
{"DMIC1", NULL, "DMIC12 Power"},
|
|
{"DMIC2", NULL, "DMIC12 Power"},
|
|
{"DMIC3", NULL, "DMIC34 Power"},
|
|
{"DMIC4", NULL, "DMIC34 Power"},
|
|
{"DMIC12 Power", NULL, "DMIC Clock"},
|
|
{"DMIC34 Power", NULL, "DMIC Clock"},
|
|
|
|
{"Left ADC", "MIC Switch", "MIC1"},
|
|
{"Left ADC", "HSMIC Switch", "HSMIC1"},
|
|
{"Right ADC", "MIC Switch", "MIC2"},
|
|
{"Right ADC", "HSMIC Switch", "HSMIC2"},
|
|
|
|
{"ADCL", NULL, "Left ADC"},
|
|
{"ADCR", NULL, "Right ADC"},
|
|
|
|
{"AIFTX", NULL, "MICBIAS"},
|
|
{"AIFTX", NULL, "ADCL"},
|
|
{"AIFTX", NULL, "ADCR"},
|
|
{"AIFTX", NULL, "DMIC1 Enable"},
|
|
{"AIFTX", NULL, "DMIC2 Enable"},
|
|
{"AIFTX", NULL, "DMIC3 Enable"},
|
|
{"AIFTX", NULL, "DMIC4 Enable"},
|
|
|
|
{"AIFTX", NULL, "System Clock"},
|
|
{"AIFRX", NULL, "System Clock"},
|
|
|
|
{"DACL", NULL, "AIFRX"},
|
|
{"DACL", NULL, "DACL Clock"},
|
|
{"DACR", NULL, "AIFRX"},
|
|
{"DACR", NULL, "DACR Clock"},
|
|
|
|
{"DACL Mux", "DACL", "DACL"},
|
|
{"DACL Mux", "DACR", "DACR"},
|
|
{"DACR Mux", "DACL", "DACL"},
|
|
{"DACR Mux", "DACR", "DACR"},
|
|
|
|
{"Output DACL", NULL, "DACL Mux"},
|
|
{"Output DACR", NULL, "DACR Mux"},
|
|
|
|
{"ClassD", NULL, "Output DACL"},
|
|
{"ClassD", NULL, "Output DACR"},
|
|
|
|
{"Left Headphone", "DAC Left Switch", "Output DACL"},
|
|
{"Left Headphone", "DAC Right Switch", "Output DACR"},
|
|
{"Right Headphone", "DAC Left Switch", "Output DACL"},
|
|
{"Right Headphone", "DAC Right Switch", "Output DACR"},
|
|
|
|
{"Charge Pump", NULL, "Left Headphone"},
|
|
{"Charge Pump", NULL, "Right Headphone"},
|
|
{"Output Driver L", NULL, "Charge Pump"},
|
|
{"Output Driver R", NULL, "Charge Pump"},
|
|
{"Main Driver L", NULL, "Output Driver L"},
|
|
{"Main Driver R", NULL, "Output Driver R"},
|
|
{"Class G", NULL, "Main Driver L"},
|
|
{"Class G", NULL, "Main Driver R"},
|
|
{"HP Boost Driver", NULL, "Class G"},
|
|
|
|
{"SPKOUTL", NULL, "ClassD"},
|
|
{"SPKOUTR", NULL, "ClassD"},
|
|
{"HPOL", NULL, "HP Boost Driver"},
|
|
{"HPOR", NULL, "HP Boost Driver"},
|
|
};
|
|
|
|
static bool nau8824_is_jack_inserted(struct nau8824 *nau8824)
|
|
{
|
|
struct snd_soc_jack *jack = nau8824->jack;
|
|
bool insert = false;
|
|
|
|
if (nau8824->irq && jack)
|
|
insert = jack->status & SND_JACK_HEADPHONE;
|
|
|
|
return insert;
|
|
}
|
|
|
|
static void nau8824_int_status_clear_all(struct regmap *regmap)
|
|
{
|
|
int active_irq, clear_irq, i;
|
|
|
|
/* Reset the intrruption status from rightmost bit if the corres-
|
|
* ponding irq event occurs.
|
|
*/
|
|
regmap_read(regmap, NAU8824_REG_IRQ, &active_irq);
|
|
for (i = 0; i < NAU8824_REG_DATA_LEN; i++) {
|
|
clear_irq = (0x1 << i);
|
|
if (active_irq & clear_irq)
|
|
regmap_write(regmap,
|
|
NAU8824_REG_CLEAR_INT_REG, clear_irq);
|
|
}
|
|
}
|
|
|
|
static void nau8824_dapm_disable_pin(struct nau8824 *nau8824, const char *pin)
|
|
{
|
|
struct snd_soc_dapm_context *dapm = nau8824->dapm;
|
|
const char *prefix = dapm->component->name_prefix;
|
|
char prefixed_pin[80];
|
|
|
|
if (prefix) {
|
|
snprintf(prefixed_pin, sizeof(prefixed_pin), "%s %s",
|
|
prefix, pin);
|
|
snd_soc_dapm_disable_pin(dapm, prefixed_pin);
|
|
} else {
|
|
snd_soc_dapm_disable_pin(dapm, pin);
|
|
}
|
|
}
|
|
|
|
static void nau8824_dapm_enable_pin(struct nau8824 *nau8824, const char *pin)
|
|
{
|
|
struct snd_soc_dapm_context *dapm = nau8824->dapm;
|
|
const char *prefix = dapm->component->name_prefix;
|
|
char prefixed_pin[80];
|
|
|
|
if (prefix) {
|
|
snprintf(prefixed_pin, sizeof(prefixed_pin), "%s %s",
|
|
prefix, pin);
|
|
snd_soc_dapm_force_enable_pin(dapm, prefixed_pin);
|
|
} else {
|
|
snd_soc_dapm_force_enable_pin(dapm, pin);
|
|
}
|
|
}
|
|
|
|
static void nau8824_eject_jack(struct nau8824 *nau8824)
|
|
{
|
|
struct snd_soc_dapm_context *dapm = nau8824->dapm;
|
|
struct regmap *regmap = nau8824->regmap;
|
|
|
|
/* Clear all interruption status */
|
|
nau8824_int_status_clear_all(regmap);
|
|
|
|
nau8824_dapm_disable_pin(nau8824, "SAR");
|
|
nau8824_dapm_disable_pin(nau8824, "MICBIAS");
|
|
snd_soc_dapm_sync(dapm);
|
|
|
|
/* Enable the insertion interruption, disable the ejection
|
|
* interruption, and then bypass de-bounce circuit.
|
|
*/
|
|
regmap_update_bits(regmap, NAU8824_REG_INTERRUPT_SETTING,
|
|
NAU8824_IRQ_KEY_RELEASE_DIS | NAU8824_IRQ_KEY_SHORT_PRESS_DIS |
|
|
NAU8824_IRQ_EJECT_DIS | NAU8824_IRQ_INSERT_DIS,
|
|
NAU8824_IRQ_KEY_RELEASE_DIS | NAU8824_IRQ_KEY_SHORT_PRESS_DIS |
|
|
NAU8824_IRQ_EJECT_DIS);
|
|
regmap_update_bits(regmap, NAU8824_REG_INTERRUPT_SETTING_1,
|
|
NAU8824_IRQ_INSERT_EN | NAU8824_IRQ_EJECT_EN,
|
|
NAU8824_IRQ_INSERT_EN);
|
|
regmap_update_bits(regmap, NAU8824_REG_ENA_CTRL,
|
|
NAU8824_JD_SLEEP_MODE, NAU8824_JD_SLEEP_MODE);
|
|
|
|
/* Close clock for jack type detection at manual mode */
|
|
if (dapm->bias_level < SND_SOC_BIAS_PREPARE)
|
|
nau8824_config_sysclk(nau8824, NAU8824_CLK_DIS, 0);
|
|
}
|
|
|
|
static void nau8824_jdet_work(struct work_struct *work)
|
|
{
|
|
struct nau8824 *nau8824 = container_of(
|
|
work, struct nau8824, jdet_work);
|
|
struct snd_soc_dapm_context *dapm = nau8824->dapm;
|
|
struct regmap *regmap = nau8824->regmap;
|
|
int adc_value, event = 0, event_mask = 0;
|
|
|
|
nau8824_dapm_enable_pin(nau8824, "MICBIAS");
|
|
nau8824_dapm_enable_pin(nau8824, "SAR");
|
|
snd_soc_dapm_sync(dapm);
|
|
|
|
msleep(100);
|
|
|
|
regmap_read(regmap, NAU8824_REG_SAR_ADC_DATA_OUT, &adc_value);
|
|
adc_value = adc_value & NAU8824_SAR_ADC_DATA_MASK;
|
|
dev_dbg(nau8824->dev, "SAR ADC data 0x%02x\n", adc_value);
|
|
if (adc_value < HEADSET_SARADC_THD) {
|
|
event |= SND_JACK_HEADPHONE;
|
|
|
|
nau8824_dapm_disable_pin(nau8824, "SAR");
|
|
nau8824_dapm_disable_pin(nau8824, "MICBIAS");
|
|
snd_soc_dapm_sync(dapm);
|
|
} else {
|
|
event |= SND_JACK_HEADSET;
|
|
}
|
|
event_mask |= SND_JACK_HEADSET;
|
|
snd_soc_jack_report(nau8824->jack, event, event_mask);
|
|
|
|
/* Enable short key press and release interruption. */
|
|
regmap_update_bits(regmap, NAU8824_REG_INTERRUPT_SETTING,
|
|
NAU8824_IRQ_KEY_RELEASE_DIS |
|
|
NAU8824_IRQ_KEY_SHORT_PRESS_DIS, 0);
|
|
|
|
nau8824_sema_release(nau8824);
|
|
}
|
|
|
|
static void nau8824_setup_auto_irq(struct nau8824 *nau8824)
|
|
{
|
|
struct regmap *regmap = nau8824->regmap;
|
|
|
|
/* Enable jack ejection interruption. */
|
|
regmap_update_bits(regmap, NAU8824_REG_INTERRUPT_SETTING_1,
|
|
NAU8824_IRQ_INSERT_EN | NAU8824_IRQ_EJECT_EN,
|
|
NAU8824_IRQ_EJECT_EN);
|
|
regmap_update_bits(regmap, NAU8824_REG_INTERRUPT_SETTING,
|
|
NAU8824_IRQ_EJECT_DIS, 0);
|
|
/* Enable internal VCO needed for interruptions */
|
|
if (nau8824->dapm->bias_level < SND_SOC_BIAS_PREPARE)
|
|
nau8824_config_sysclk(nau8824, NAU8824_CLK_INTERNAL, 0);
|
|
regmap_update_bits(regmap, NAU8824_REG_ENA_CTRL,
|
|
NAU8824_JD_SLEEP_MODE, 0);
|
|
}
|
|
|
|
static int nau8824_button_decode(int value)
|
|
{
|
|
int buttons = 0;
|
|
|
|
/* The chip supports up to 8 buttons, but ALSA defines
|
|
* only 6 buttons.
|
|
*/
|
|
if (value & BIT(0))
|
|
buttons |= SND_JACK_BTN_0;
|
|
if (value & BIT(1))
|
|
buttons |= SND_JACK_BTN_1;
|
|
if (value & BIT(2))
|
|
buttons |= SND_JACK_BTN_2;
|
|
if (value & BIT(3))
|
|
buttons |= SND_JACK_BTN_3;
|
|
if (value & BIT(4))
|
|
buttons |= SND_JACK_BTN_4;
|
|
if (value & BIT(5))
|
|
buttons |= SND_JACK_BTN_5;
|
|
|
|
return buttons;
|
|
}
|
|
|
|
#define NAU8824_BUTTONS (SND_JACK_BTN_0 | SND_JACK_BTN_1 | \
|
|
SND_JACK_BTN_2 | SND_JACK_BTN_3)
|
|
|
|
static irqreturn_t nau8824_interrupt(int irq, void *data)
|
|
{
|
|
struct nau8824 *nau8824 = (struct nau8824 *)data;
|
|
struct regmap *regmap = nau8824->regmap;
|
|
int active_irq, clear_irq = 0, event = 0, event_mask = 0;
|
|
|
|
if (regmap_read(regmap, NAU8824_REG_IRQ, &active_irq)) {
|
|
dev_err(nau8824->dev, "failed to read irq status\n");
|
|
return IRQ_NONE;
|
|
}
|
|
dev_dbg(nau8824->dev, "IRQ %x\n", active_irq);
|
|
|
|
if (active_irq & NAU8824_JACK_EJECTION_DETECTED) {
|
|
nau8824_eject_jack(nau8824);
|
|
event_mask |= SND_JACK_HEADSET;
|
|
clear_irq = NAU8824_JACK_EJECTION_DETECTED;
|
|
/* release semaphore held after resume,
|
|
* and cancel jack detection
|
|
*/
|
|
nau8824_sema_release(nau8824);
|
|
cancel_work_sync(&nau8824->jdet_work);
|
|
} else if (active_irq & NAU8824_KEY_SHORT_PRESS_IRQ) {
|
|
int key_status, button_pressed;
|
|
|
|
regmap_read(regmap, NAU8824_REG_CLEAR_INT_REG,
|
|
&key_status);
|
|
|
|
/* lower 8 bits of the register are for pressed keys */
|
|
button_pressed = nau8824_button_decode(key_status);
|
|
|
|
event |= button_pressed;
|
|
dev_dbg(nau8824->dev, "button %x pressed\n", event);
|
|
event_mask |= NAU8824_BUTTONS;
|
|
clear_irq = NAU8824_KEY_SHORT_PRESS_IRQ;
|
|
} else if (active_irq & NAU8824_KEY_RELEASE_IRQ) {
|
|
event_mask = NAU8824_BUTTONS;
|
|
clear_irq = NAU8824_KEY_RELEASE_IRQ;
|
|
} else if (active_irq & NAU8824_JACK_INSERTION_DETECTED) {
|
|
/* Turn off insertion interruption at manual mode */
|
|
regmap_update_bits(regmap,
|
|
NAU8824_REG_INTERRUPT_SETTING,
|
|
NAU8824_IRQ_INSERT_DIS,
|
|
NAU8824_IRQ_INSERT_DIS);
|
|
regmap_update_bits(regmap,
|
|
NAU8824_REG_INTERRUPT_SETTING_1,
|
|
NAU8824_IRQ_INSERT_EN, 0);
|
|
/* detect microphone and jack type */
|
|
cancel_work_sync(&nau8824->jdet_work);
|
|
schedule_work(&nau8824->jdet_work);
|
|
|
|
/* Enable interruption for jack type detection at audo
|
|
* mode which can detect microphone and jack type.
|
|
*/
|
|
nau8824_setup_auto_irq(nau8824);
|
|
}
|
|
|
|
if (!clear_irq)
|
|
clear_irq = active_irq;
|
|
/* clears the rightmost interruption */
|
|
regmap_write(regmap, NAU8824_REG_CLEAR_INT_REG, clear_irq);
|
|
|
|
if (event_mask)
|
|
snd_soc_jack_report(nau8824->jack, event, event_mask);
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static int nau8824_clock_check(struct nau8824 *nau8824,
|
|
int stream, int rate, int osr)
|
|
{
|
|
int osrate;
|
|
|
|
if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
|
|
if (osr >= ARRAY_SIZE(osr_dac_sel))
|
|
return -EINVAL;
|
|
osrate = osr_dac_sel[osr].osr;
|
|
} else {
|
|
if (osr >= ARRAY_SIZE(osr_adc_sel))
|
|
return -EINVAL;
|
|
osrate = osr_adc_sel[osr].osr;
|
|
}
|
|
|
|
if (!osrate || rate * osr > CLK_DA_AD_MAX) {
|
|
dev_err(nau8824->dev, "exceed the maximum frequency of CLK_ADC or CLK_DAC\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int nau8824_hw_params(struct snd_pcm_substream *substream,
|
|
struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
|
|
{
|
|
struct snd_soc_component *component = dai->component;
|
|
struct nau8824 *nau8824 = snd_soc_component_get_drvdata(component);
|
|
unsigned int val_len = 0, osr, ctrl_val, bclk_fs, bclk_div;
|
|
|
|
nau8824_sema_acquire(nau8824, HZ);
|
|
|
|
/* CLK_DAC or CLK_ADC = OSR * FS
|
|
* DAC or ADC clock frequency is defined as Over Sampling Rate (OSR)
|
|
* multiplied by the audio sample rate (Fs). Note that the OSR and Fs
|
|
* values must be selected such that the maximum frequency is less
|
|
* than 6.144 MHz.
|
|
*/
|
|
nau8824->fs = params_rate(params);
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
|
|
regmap_read(nau8824->regmap,
|
|
NAU8824_REG_DAC_FILTER_CTRL_1, &osr);
|
|
osr &= NAU8824_DAC_OVERSAMPLE_MASK;
|
|
if (nau8824_clock_check(nau8824, substream->stream,
|
|
nau8824->fs, osr))
|
|
return -EINVAL;
|
|
regmap_update_bits(nau8824->regmap, NAU8824_REG_CLK_DIVIDER,
|
|
NAU8824_CLK_DAC_SRC_MASK,
|
|
osr_dac_sel[osr].clk_src << NAU8824_CLK_DAC_SRC_SFT);
|
|
} else {
|
|
regmap_read(nau8824->regmap,
|
|
NAU8824_REG_ADC_FILTER_CTRL, &osr);
|
|
osr &= NAU8824_ADC_SYNC_DOWN_MASK;
|
|
if (nau8824_clock_check(nau8824, substream->stream,
|
|
nau8824->fs, osr))
|
|
return -EINVAL;
|
|
regmap_update_bits(nau8824->regmap, NAU8824_REG_CLK_DIVIDER,
|
|
NAU8824_CLK_ADC_SRC_MASK,
|
|
osr_adc_sel[osr].clk_src << NAU8824_CLK_ADC_SRC_SFT);
|
|
}
|
|
|
|
/* make BCLK and LRC divde configuration if the codec as master. */
|
|
regmap_read(nau8824->regmap,
|
|
NAU8824_REG_PORT0_I2S_PCM_CTRL_2, &ctrl_val);
|
|
if (ctrl_val & NAU8824_I2S_MS_MASTER) {
|
|
/* get the bclk and fs ratio */
|
|
bclk_fs = snd_soc_params_to_bclk(params) / nau8824->fs;
|
|
if (bclk_fs <= 32)
|
|
bclk_div = 0x3;
|
|
else if (bclk_fs <= 64)
|
|
bclk_div = 0x2;
|
|
else if (bclk_fs <= 128)
|
|
bclk_div = 0x1;
|
|
else if (bclk_fs <= 256)
|
|
bclk_div = 0;
|
|
else
|
|
return -EINVAL;
|
|
regmap_update_bits(nau8824->regmap,
|
|
NAU8824_REG_PORT0_I2S_PCM_CTRL_2,
|
|
NAU8824_I2S_LRC_DIV_MASK | NAU8824_I2S_BLK_DIV_MASK,
|
|
(bclk_div << NAU8824_I2S_LRC_DIV_SFT) | bclk_div);
|
|
}
|
|
|
|
switch (params_width(params)) {
|
|
case 16:
|
|
val_len |= NAU8824_I2S_DL_16;
|
|
break;
|
|
case 20:
|
|
val_len |= NAU8824_I2S_DL_20;
|
|
break;
|
|
case 24:
|
|
val_len |= NAU8824_I2S_DL_24;
|
|
break;
|
|
case 32:
|
|
val_len |= NAU8824_I2S_DL_32;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
regmap_update_bits(nau8824->regmap, NAU8824_REG_PORT0_I2S_PCM_CTRL_1,
|
|
NAU8824_I2S_DL_MASK, val_len);
|
|
|
|
nau8824_sema_release(nau8824);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int nau8824_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
|
|
{
|
|
struct snd_soc_component *component = dai->component;
|
|
struct nau8824 *nau8824 = snd_soc_component_get_drvdata(component);
|
|
unsigned int ctrl1_val = 0, ctrl2_val = 0;
|
|
|
|
nau8824_sema_acquire(nau8824, HZ);
|
|
|
|
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
|
|
case SND_SOC_DAIFMT_CBM_CFM:
|
|
ctrl2_val |= NAU8824_I2S_MS_MASTER;
|
|
break;
|
|
case SND_SOC_DAIFMT_CBS_CFS:
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
|
|
case SND_SOC_DAIFMT_NB_NF:
|
|
break;
|
|
case SND_SOC_DAIFMT_IB_NF:
|
|
ctrl1_val |= NAU8824_I2S_BP_INV;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
|
|
case SND_SOC_DAIFMT_I2S:
|
|
ctrl1_val |= NAU8824_I2S_DF_I2S;
|
|
break;
|
|
case SND_SOC_DAIFMT_LEFT_J:
|
|
ctrl1_val |= NAU8824_I2S_DF_LEFT;
|
|
break;
|
|
case SND_SOC_DAIFMT_RIGHT_J:
|
|
ctrl1_val |= NAU8824_I2S_DF_RIGTH;
|
|
break;
|
|
case SND_SOC_DAIFMT_DSP_A:
|
|
ctrl1_val |= NAU8824_I2S_DF_PCM_AB;
|
|
break;
|
|
case SND_SOC_DAIFMT_DSP_B:
|
|
ctrl1_val |= NAU8824_I2S_DF_PCM_AB;
|
|
ctrl1_val |= NAU8824_I2S_PCMB_EN;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
regmap_update_bits(nau8824->regmap, NAU8824_REG_PORT0_I2S_PCM_CTRL_1,
|
|
NAU8824_I2S_DF_MASK | NAU8824_I2S_BP_MASK |
|
|
NAU8824_I2S_PCMB_EN, ctrl1_val);
|
|
regmap_update_bits(nau8824->regmap, NAU8824_REG_PORT0_I2S_PCM_CTRL_2,
|
|
NAU8824_I2S_MS_MASK, ctrl2_val);
|
|
|
|
nau8824_sema_release(nau8824);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* nau8824_set_tdm_slot - configure DAI TDM.
|
|
* @dai: DAI
|
|
* @tx_mask: Bitmask representing active TX slots. Ex.
|
|
* 0xf for normal 4 channel TDM.
|
|
* 0xf0 for shifted 4 channel TDM
|
|
* @rx_mask: Bitmask [0:1] representing active DACR RX slots.
|
|
* Bitmask [2:3] representing active DACL RX slots.
|
|
* 00=CH0,01=CH1,10=CH2,11=CH3. Ex.
|
|
* 0xf for DACL/R selecting TDM CH3.
|
|
* 0xf0 for DACL/R selecting shifted TDM CH3.
|
|
* @slots: Number of slots in use.
|
|
* @slot_width: Width in bits for each slot.
|
|
*
|
|
* Configures a DAI for TDM operation. Only support 4 slots TDM.
|
|
*/
|
|
static int nau8824_set_tdm_slot(struct snd_soc_dai *dai,
|
|
unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width)
|
|
{
|
|
struct snd_soc_component *component = dai->component;
|
|
struct nau8824 *nau8824 = snd_soc_component_get_drvdata(component);
|
|
unsigned int tslot_l = 0, ctrl_val = 0;
|
|
|
|
if (slots > 4 || ((tx_mask & 0xf0) && (tx_mask & 0xf)) ||
|
|
((rx_mask & 0xf0) && (rx_mask & 0xf)) ||
|
|
((rx_mask & 0xf0) && (tx_mask & 0xf)) ||
|
|
((rx_mask & 0xf) && (tx_mask & 0xf0)))
|
|
return -EINVAL;
|
|
|
|
ctrl_val |= (NAU8824_TDM_MODE | NAU8824_TDM_OFFSET_EN);
|
|
if (tx_mask & 0xf0) {
|
|
tslot_l = 4 * slot_width;
|
|
ctrl_val |= (tx_mask >> 4);
|
|
} else {
|
|
ctrl_val |= tx_mask;
|
|
}
|
|
if (rx_mask & 0xf0)
|
|
ctrl_val |= ((rx_mask >> 4) << NAU8824_TDM_DACR_RX_SFT);
|
|
else
|
|
ctrl_val |= (rx_mask << NAU8824_TDM_DACR_RX_SFT);
|
|
|
|
regmap_update_bits(nau8824->regmap, NAU8824_REG_TDM_CTRL,
|
|
NAU8824_TDM_MODE | NAU8824_TDM_OFFSET_EN |
|
|
NAU8824_TDM_DACL_RX_MASK | NAU8824_TDM_DACR_RX_MASK |
|
|
NAU8824_TDM_TX_MASK, ctrl_val);
|
|
regmap_update_bits(nau8824->regmap, NAU8824_REG_PORT0_LEFT_TIME_SLOT,
|
|
NAU8824_TSLOT_L_MASK, tslot_l);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* nau8824_calc_fll_param - Calculate FLL parameters.
|
|
* @fll_in: external clock provided to codec.
|
|
* @fs: sampling rate.
|
|
* @fll_param: Pointer to structure of FLL parameters.
|
|
*
|
|
* Calculate FLL parameters to configure codec.
|
|
*
|
|
* Returns 0 for success or negative error code.
|
|
*/
|
|
static int nau8824_calc_fll_param(unsigned int fll_in,
|
|
unsigned int fs, struct nau8824_fll *fll_param)
|
|
{
|
|
u64 fvco, fvco_max;
|
|
unsigned int fref, i, fvco_sel;
|
|
|
|
/* Ensure the reference clock frequency (FREF) is <= 13.5MHz by dividing
|
|
* freq_in by 1, 2, 4, or 8 using FLL pre-scalar.
|
|
* FREF = freq_in / NAU8824_FLL_REF_DIV_MASK
|
|
*/
|
|
for (i = 0; i < ARRAY_SIZE(fll_pre_scalar); i++) {
|
|
fref = fll_in / fll_pre_scalar[i].param;
|
|
if (fref <= NAU_FREF_MAX)
|
|
break;
|
|
}
|
|
if (i == ARRAY_SIZE(fll_pre_scalar))
|
|
return -EINVAL;
|
|
fll_param->clk_ref_div = fll_pre_scalar[i].val;
|
|
|
|
/* Choose the FLL ratio based on FREF */
|
|
for (i = 0; i < ARRAY_SIZE(fll_ratio); i++) {
|
|
if (fref >= fll_ratio[i].param)
|
|
break;
|
|
}
|
|
if (i == ARRAY_SIZE(fll_ratio))
|
|
return -EINVAL;
|
|
fll_param->ratio = fll_ratio[i].val;
|
|
|
|
/* Calculate the frequency of DCO (FDCO) given freq_out = 256 * Fs.
|
|
* FDCO must be within the 90MHz - 124MHz or the FFL cannot be
|
|
* guaranteed across the full range of operation.
|
|
* FDCO = freq_out * 2 * mclk_src_scaling
|
|
*/
|
|
fvco_max = 0;
|
|
fvco_sel = ARRAY_SIZE(mclk_src_scaling);
|
|
for (i = 0; i < ARRAY_SIZE(mclk_src_scaling); i++) {
|
|
fvco = 256ULL * fs * 2 * mclk_src_scaling[i].param;
|
|
if (fvco > NAU_FVCO_MIN && fvco < NAU_FVCO_MAX &&
|
|
fvco_max < fvco) {
|
|
fvco_max = fvco;
|
|
fvco_sel = i;
|
|
}
|
|
}
|
|
if (ARRAY_SIZE(mclk_src_scaling) == fvco_sel)
|
|
return -EINVAL;
|
|
fll_param->mclk_src = mclk_src_scaling[fvco_sel].val;
|
|
|
|
/* Calculate the FLL 10-bit integer input and the FLL 16-bit fractional
|
|
* input based on FDCO, FREF and FLL ratio.
|
|
*/
|
|
fvco = div_u64(fvco_max << 16, fref * fll_param->ratio);
|
|
fll_param->fll_int = (fvco >> 16) & 0x3FF;
|
|
fll_param->fll_frac = fvco & 0xFFFF;
|
|
return 0;
|
|
}
|
|
|
|
static void nau8824_fll_apply(struct regmap *regmap,
|
|
struct nau8824_fll *fll_param)
|
|
{
|
|
regmap_update_bits(regmap, NAU8824_REG_CLK_DIVIDER,
|
|
NAU8824_CLK_SRC_MASK | NAU8824_CLK_MCLK_SRC_MASK,
|
|
NAU8824_CLK_SRC_MCLK | fll_param->mclk_src);
|
|
regmap_update_bits(regmap, NAU8824_REG_FLL1,
|
|
NAU8824_FLL_RATIO_MASK, fll_param->ratio);
|
|
/* FLL 16-bit fractional input */
|
|
regmap_write(regmap, NAU8824_REG_FLL2, fll_param->fll_frac);
|
|
/* FLL 10-bit integer input */
|
|
regmap_update_bits(regmap, NAU8824_REG_FLL3,
|
|
NAU8824_FLL_INTEGER_MASK, fll_param->fll_int);
|
|
/* FLL pre-scaler */
|
|
regmap_update_bits(regmap, NAU8824_REG_FLL4,
|
|
NAU8824_FLL_REF_DIV_MASK,
|
|
fll_param->clk_ref_div << NAU8824_FLL_REF_DIV_SFT);
|
|
/* select divided VCO input */
|
|
regmap_update_bits(regmap, NAU8824_REG_FLL5,
|
|
NAU8824_FLL_CLK_SW_MASK, NAU8824_FLL_CLK_SW_REF);
|
|
/* Disable free-running mode */
|
|
regmap_update_bits(regmap,
|
|
NAU8824_REG_FLL6, NAU8824_DCO_EN, 0);
|
|
if (fll_param->fll_frac) {
|
|
regmap_update_bits(regmap, NAU8824_REG_FLL5,
|
|
NAU8824_FLL_PDB_DAC_EN | NAU8824_FLL_LOOP_FTR_EN |
|
|
NAU8824_FLL_FTR_SW_MASK,
|
|
NAU8824_FLL_PDB_DAC_EN | NAU8824_FLL_LOOP_FTR_EN |
|
|
NAU8824_FLL_FTR_SW_FILTER);
|
|
regmap_update_bits(regmap, NAU8824_REG_FLL6,
|
|
NAU8824_SDM_EN, NAU8824_SDM_EN);
|
|
} else {
|
|
regmap_update_bits(regmap, NAU8824_REG_FLL5,
|
|
NAU8824_FLL_PDB_DAC_EN | NAU8824_FLL_LOOP_FTR_EN |
|
|
NAU8824_FLL_FTR_SW_MASK, NAU8824_FLL_FTR_SW_ACCU);
|
|
regmap_update_bits(regmap,
|
|
NAU8824_REG_FLL6, NAU8824_SDM_EN, 0);
|
|
}
|
|
}
|
|
|
|
/* freq_out must be 256*Fs in order to achieve the best performance */
|
|
static int nau8824_set_pll(struct snd_soc_component *component, int pll_id, int source,
|
|
unsigned int freq_in, unsigned int freq_out)
|
|
{
|
|
struct nau8824 *nau8824 = snd_soc_component_get_drvdata(component);
|
|
struct nau8824_fll fll_param;
|
|
int ret, fs;
|
|
|
|
fs = freq_out / 256;
|
|
ret = nau8824_calc_fll_param(freq_in, fs, &fll_param);
|
|
if (ret < 0) {
|
|
dev_err(nau8824->dev, "Unsupported input clock %d\n", freq_in);
|
|
return ret;
|
|
}
|
|
dev_dbg(nau8824->dev, "mclk_src=%x ratio=%x fll_frac=%x fll_int=%x clk_ref_div=%x\n",
|
|
fll_param.mclk_src, fll_param.ratio, fll_param.fll_frac,
|
|
fll_param.fll_int, fll_param.clk_ref_div);
|
|
|
|
nau8824_fll_apply(nau8824->regmap, &fll_param);
|
|
mdelay(2);
|
|
regmap_update_bits(nau8824->regmap, NAU8824_REG_CLK_DIVIDER,
|
|
NAU8824_CLK_SRC_MASK, NAU8824_CLK_SRC_VCO);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int nau8824_config_sysclk(struct nau8824 *nau8824,
|
|
int clk_id, unsigned int freq)
|
|
{
|
|
struct regmap *regmap = nau8824->regmap;
|
|
|
|
switch (clk_id) {
|
|
case NAU8824_CLK_DIS:
|
|
regmap_update_bits(regmap, NAU8824_REG_CLK_DIVIDER,
|
|
NAU8824_CLK_SRC_MASK, NAU8824_CLK_SRC_MCLK);
|
|
regmap_update_bits(regmap, NAU8824_REG_FLL6,
|
|
NAU8824_DCO_EN, 0);
|
|
break;
|
|
|
|
case NAU8824_CLK_MCLK:
|
|
nau8824_sema_acquire(nau8824, HZ);
|
|
regmap_update_bits(regmap, NAU8824_REG_CLK_DIVIDER,
|
|
NAU8824_CLK_SRC_MASK, NAU8824_CLK_SRC_MCLK);
|
|
regmap_update_bits(regmap, NAU8824_REG_FLL6,
|
|
NAU8824_DCO_EN, 0);
|
|
nau8824_sema_release(nau8824);
|
|
break;
|
|
|
|
case NAU8824_CLK_INTERNAL:
|
|
regmap_update_bits(regmap, NAU8824_REG_FLL6,
|
|
NAU8824_DCO_EN, NAU8824_DCO_EN);
|
|
regmap_update_bits(regmap, NAU8824_REG_CLK_DIVIDER,
|
|
NAU8824_CLK_SRC_MASK, NAU8824_CLK_SRC_VCO);
|
|
break;
|
|
|
|
case NAU8824_CLK_FLL_MCLK:
|
|
nau8824_sema_acquire(nau8824, HZ);
|
|
regmap_update_bits(regmap, NAU8824_REG_FLL3,
|
|
NAU8824_FLL_CLK_SRC_MASK, NAU8824_FLL_CLK_SRC_MCLK);
|
|
nau8824_sema_release(nau8824);
|
|
break;
|
|
|
|
case NAU8824_CLK_FLL_BLK:
|
|
nau8824_sema_acquire(nau8824, HZ);
|
|
regmap_update_bits(regmap, NAU8824_REG_FLL3,
|
|
NAU8824_FLL_CLK_SRC_MASK, NAU8824_FLL_CLK_SRC_BLK);
|
|
nau8824_sema_release(nau8824);
|
|
break;
|
|
|
|
case NAU8824_CLK_FLL_FS:
|
|
nau8824_sema_acquire(nau8824, HZ);
|
|
regmap_update_bits(regmap, NAU8824_REG_FLL3,
|
|
NAU8824_FLL_CLK_SRC_MASK, NAU8824_FLL_CLK_SRC_FS);
|
|
nau8824_sema_release(nau8824);
|
|
break;
|
|
|
|
default:
|
|
dev_err(nau8824->dev, "Invalid clock id (%d)\n", clk_id);
|
|
return -EINVAL;
|
|
}
|
|
|
|
dev_dbg(nau8824->dev, "Sysclk is %dHz and clock id is %d\n", freq,
|
|
clk_id);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int nau8824_set_sysclk(struct snd_soc_component *component,
|
|
int clk_id, int source, unsigned int freq, int dir)
|
|
{
|
|
struct nau8824 *nau8824 = snd_soc_component_get_drvdata(component);
|
|
|
|
return nau8824_config_sysclk(nau8824, clk_id, freq);
|
|
}
|
|
|
|
static void nau8824_resume_setup(struct nau8824 *nau8824)
|
|
{
|
|
nau8824_config_sysclk(nau8824, NAU8824_CLK_DIS, 0);
|
|
if (nau8824->irq) {
|
|
/* Clear all interruption status */
|
|
nau8824_int_status_clear_all(nau8824->regmap);
|
|
/* Enable jack detection at sleep mode, insertion detection,
|
|
* and ejection detection.
|
|
*/
|
|
regmap_update_bits(nau8824->regmap, NAU8824_REG_ENA_CTRL,
|
|
NAU8824_JD_SLEEP_MODE, NAU8824_JD_SLEEP_MODE);
|
|
regmap_update_bits(nau8824->regmap,
|
|
NAU8824_REG_INTERRUPT_SETTING_1,
|
|
NAU8824_IRQ_EJECT_EN | NAU8824_IRQ_INSERT_EN,
|
|
NAU8824_IRQ_EJECT_EN | NAU8824_IRQ_INSERT_EN);
|
|
regmap_update_bits(nau8824->regmap,
|
|
NAU8824_REG_INTERRUPT_SETTING,
|
|
NAU8824_IRQ_EJECT_DIS | NAU8824_IRQ_INSERT_DIS, 0);
|
|
}
|
|
}
|
|
|
|
static int nau8824_set_bias_level(struct snd_soc_component *component,
|
|
enum snd_soc_bias_level level)
|
|
{
|
|
struct nau8824 *nau8824 = snd_soc_component_get_drvdata(component);
|
|
|
|
switch (level) {
|
|
case SND_SOC_BIAS_ON:
|
|
break;
|
|
|
|
case SND_SOC_BIAS_PREPARE:
|
|
break;
|
|
|
|
case SND_SOC_BIAS_STANDBY:
|
|
if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
|
|
/* Setup codec configuration after resume */
|
|
nau8824_resume_setup(nau8824);
|
|
}
|
|
break;
|
|
|
|
case SND_SOC_BIAS_OFF:
|
|
regmap_update_bits(nau8824->regmap,
|
|
NAU8824_REG_INTERRUPT_SETTING, 0x3ff, 0x3ff);
|
|
regmap_update_bits(nau8824->regmap,
|
|
NAU8824_REG_INTERRUPT_SETTING_1,
|
|
NAU8824_IRQ_EJECT_EN | NAU8824_IRQ_INSERT_EN, 0);
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int nau8824_component_probe(struct snd_soc_component *component)
|
|
{
|
|
struct nau8824 *nau8824 = snd_soc_component_get_drvdata(component);
|
|
struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
|
|
|
|
nau8824->dapm = dapm;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int __maybe_unused nau8824_suspend(struct snd_soc_component *component)
|
|
{
|
|
struct nau8824 *nau8824 = snd_soc_component_get_drvdata(component);
|
|
|
|
if (nau8824->irq) {
|
|
disable_irq(nau8824->irq);
|
|
snd_soc_component_force_bias_level(component, SND_SOC_BIAS_OFF);
|
|
}
|
|
regcache_cache_only(nau8824->regmap, true);
|
|
regcache_mark_dirty(nau8824->regmap);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int __maybe_unused nau8824_resume(struct snd_soc_component *component)
|
|
{
|
|
struct nau8824 *nau8824 = snd_soc_component_get_drvdata(component);
|
|
|
|
regcache_cache_only(nau8824->regmap, false);
|
|
regcache_sync(nau8824->regmap);
|
|
if (nau8824->irq) {
|
|
/* Hold semaphore to postpone playback happening
|
|
* until jack detection done.
|
|
*/
|
|
nau8824_sema_acquire(nau8824, 0);
|
|
enable_irq(nau8824->irq);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct snd_soc_component_driver nau8824_component_driver = {
|
|
.probe = nau8824_component_probe,
|
|
.set_sysclk = nau8824_set_sysclk,
|
|
.set_pll = nau8824_set_pll,
|
|
.set_bias_level = nau8824_set_bias_level,
|
|
.suspend = nau8824_suspend,
|
|
.resume = nau8824_resume,
|
|
.controls = nau8824_snd_controls,
|
|
.num_controls = ARRAY_SIZE(nau8824_snd_controls),
|
|
.dapm_widgets = nau8824_dapm_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(nau8824_dapm_widgets),
|
|
.dapm_routes = nau8824_dapm_routes,
|
|
.num_dapm_routes = ARRAY_SIZE(nau8824_dapm_routes),
|
|
.suspend_bias_off = 1,
|
|
.idle_bias_on = 1,
|
|
.use_pmdown_time = 1,
|
|
.endianness = 1,
|
|
.non_legacy_dai_naming = 1,
|
|
};
|
|
|
|
static const struct snd_soc_dai_ops nau8824_dai_ops = {
|
|
.hw_params = nau8824_hw_params,
|
|
.set_fmt = nau8824_set_fmt,
|
|
.set_tdm_slot = nau8824_set_tdm_slot,
|
|
};
|
|
|
|
#define NAU8824_RATES SNDRV_PCM_RATE_8000_192000
|
|
#define NAU8824_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE \
|
|
| SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE)
|
|
|
|
static struct snd_soc_dai_driver nau8824_dai = {
|
|
.name = NAU8824_CODEC_DAI,
|
|
.playback = {
|
|
.stream_name = "Playback",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rates = NAU8824_RATES,
|
|
.formats = NAU8824_FORMATS,
|
|
},
|
|
.capture = {
|
|
.stream_name = "Capture",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rates = NAU8824_RATES,
|
|
.formats = NAU8824_FORMATS,
|
|
},
|
|
.ops = &nau8824_dai_ops,
|
|
};
|
|
|
|
static const struct regmap_config nau8824_regmap_config = {
|
|
.val_bits = NAU8824_REG_ADDR_LEN,
|
|
.reg_bits = NAU8824_REG_DATA_LEN,
|
|
|
|
.max_register = NAU8824_REG_MAX,
|
|
.readable_reg = nau8824_readable_reg,
|
|
.writeable_reg = nau8824_writeable_reg,
|
|
.volatile_reg = nau8824_volatile_reg,
|
|
|
|
.cache_type = REGCACHE_RBTREE,
|
|
.reg_defaults = nau8824_reg_defaults,
|
|
.num_reg_defaults = ARRAY_SIZE(nau8824_reg_defaults),
|
|
};
|
|
|
|
/**
|
|
* nau8824_enable_jack_detect - Specify a jack for event reporting
|
|
*
|
|
* @component: component to register the jack with
|
|
* @jack: jack to use to report headset and button events on
|
|
*
|
|
* After this function has been called the headset insert/remove and button
|
|
* events will be routed to the given jack. Jack can be null to stop
|
|
* reporting.
|
|
*/
|
|
int nau8824_enable_jack_detect(struct snd_soc_component *component,
|
|
struct snd_soc_jack *jack)
|
|
{
|
|
struct nau8824 *nau8824 = snd_soc_component_get_drvdata(component);
|
|
int ret;
|
|
|
|
nau8824->jack = jack;
|
|
/* Initiate jack detection work queue */
|
|
INIT_WORK(&nau8824->jdet_work, nau8824_jdet_work);
|
|
ret = devm_request_threaded_irq(nau8824->dev, nau8824->irq, NULL,
|
|
nau8824_interrupt, IRQF_TRIGGER_LOW | IRQF_ONESHOT,
|
|
"nau8824", nau8824);
|
|
if (ret) {
|
|
dev_err(nau8824->dev, "Cannot request irq %d (%d)\n",
|
|
nau8824->irq, ret);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
EXPORT_SYMBOL_GPL(nau8824_enable_jack_detect);
|
|
|
|
static void nau8824_reset_chip(struct regmap *regmap)
|
|
{
|
|
regmap_write(regmap, NAU8824_REG_RESET, 0x00);
|
|
regmap_write(regmap, NAU8824_REG_RESET, 0x00);
|
|
}
|
|
|
|
static void nau8824_setup_buttons(struct nau8824 *nau8824)
|
|
{
|
|
struct regmap *regmap = nau8824->regmap;
|
|
|
|
regmap_update_bits(regmap, NAU8824_REG_SAR_ADC,
|
|
NAU8824_SAR_TRACKING_GAIN_MASK,
|
|
nau8824->sar_voltage << NAU8824_SAR_TRACKING_GAIN_SFT);
|
|
regmap_update_bits(regmap, NAU8824_REG_SAR_ADC,
|
|
NAU8824_SAR_COMPARE_TIME_MASK,
|
|
nau8824->sar_compare_time << NAU8824_SAR_COMPARE_TIME_SFT);
|
|
regmap_update_bits(regmap, NAU8824_REG_SAR_ADC,
|
|
NAU8824_SAR_SAMPLING_TIME_MASK,
|
|
nau8824->sar_sampling_time << NAU8824_SAR_SAMPLING_TIME_SFT);
|
|
|
|
regmap_update_bits(regmap, NAU8824_REG_VDET_COEFFICIENT,
|
|
NAU8824_LEVELS_NR_MASK,
|
|
(nau8824->sar_threshold_num - 1) << NAU8824_LEVELS_NR_SFT);
|
|
regmap_update_bits(regmap, NAU8824_REG_VDET_COEFFICIENT,
|
|
NAU8824_HYSTERESIS_MASK,
|
|
nau8824->sar_hysteresis << NAU8824_HYSTERESIS_SFT);
|
|
regmap_update_bits(regmap, NAU8824_REG_VDET_COEFFICIENT,
|
|
NAU8824_SHORTKEY_DEBOUNCE_MASK,
|
|
nau8824->key_debounce << NAU8824_SHORTKEY_DEBOUNCE_SFT);
|
|
|
|
regmap_write(regmap, NAU8824_REG_VDET_THRESHOLD_1,
|
|
(nau8824->sar_threshold[0] << 8) | nau8824->sar_threshold[1]);
|
|
regmap_write(regmap, NAU8824_REG_VDET_THRESHOLD_2,
|
|
(nau8824->sar_threshold[2] << 8) | nau8824->sar_threshold[3]);
|
|
regmap_write(regmap, NAU8824_REG_VDET_THRESHOLD_3,
|
|
(nau8824->sar_threshold[4] << 8) | nau8824->sar_threshold[5]);
|
|
regmap_write(regmap, NAU8824_REG_VDET_THRESHOLD_4,
|
|
(nau8824->sar_threshold[6] << 8) | nau8824->sar_threshold[7]);
|
|
}
|
|
|
|
static void nau8824_init_regs(struct nau8824 *nau8824)
|
|
{
|
|
struct regmap *regmap = nau8824->regmap;
|
|
|
|
/* Enable Bias/VMID/VMID Tieoff */
|
|
regmap_update_bits(regmap, NAU8824_REG_BIAS_ADJ,
|
|
NAU8824_VMID | NAU8824_VMID_SEL_MASK, NAU8824_VMID |
|
|
(nau8824->vref_impedance << NAU8824_VMID_SEL_SFT));
|
|
regmap_update_bits(regmap, NAU8824_REG_BOOST,
|
|
NAU8824_GLOBAL_BIAS_EN, NAU8824_GLOBAL_BIAS_EN);
|
|
mdelay(2);
|
|
regmap_update_bits(regmap, NAU8824_REG_MIC_BIAS,
|
|
NAU8824_MICBIAS_VOLTAGE_MASK, nau8824->micbias_voltage);
|
|
/* Disable Boost Driver, Automatic Short circuit protection enable */
|
|
regmap_update_bits(regmap, NAU8824_REG_BOOST,
|
|
NAU8824_PRECHARGE_DIS | NAU8824_HP_BOOST_DIS |
|
|
NAU8824_HP_BOOST_G_DIS | NAU8824_SHORT_SHUTDOWN_EN,
|
|
NAU8824_PRECHARGE_DIS | NAU8824_HP_BOOST_DIS |
|
|
NAU8824_HP_BOOST_G_DIS | NAU8824_SHORT_SHUTDOWN_EN);
|
|
/* Scaling for ADC and DAC clock */
|
|
regmap_update_bits(regmap, NAU8824_REG_CLK_DIVIDER,
|
|
NAU8824_CLK_ADC_SRC_MASK | NAU8824_CLK_DAC_SRC_MASK,
|
|
(0x1 << NAU8824_CLK_ADC_SRC_SFT) |
|
|
(0x1 << NAU8824_CLK_DAC_SRC_SFT));
|
|
regmap_update_bits(regmap, NAU8824_REG_DAC_MUTE_CTRL,
|
|
NAU8824_DAC_ZC_EN, NAU8824_DAC_ZC_EN);
|
|
regmap_update_bits(regmap, NAU8824_REG_ENA_CTRL,
|
|
NAU8824_DAC_CH1_EN | NAU8824_DAC_CH0_EN |
|
|
NAU8824_ADC_CH0_EN | NAU8824_ADC_CH1_EN |
|
|
NAU8824_ADC_CH2_EN | NAU8824_ADC_CH3_EN,
|
|
NAU8824_DAC_CH1_EN | NAU8824_DAC_CH0_EN |
|
|
NAU8824_ADC_CH0_EN | NAU8824_ADC_CH1_EN |
|
|
NAU8824_ADC_CH2_EN | NAU8824_ADC_CH3_EN);
|
|
regmap_update_bits(regmap, NAU8824_REG_CLK_GATING_ENA,
|
|
NAU8824_CLK_ADC_CH23_EN | NAU8824_CLK_ADC_CH01_EN |
|
|
NAU8824_CLK_DAC_CH1_EN | NAU8824_CLK_DAC_CH0_EN |
|
|
NAU8824_CLK_I2S_EN | NAU8824_CLK_GAIN_EN |
|
|
NAU8824_CLK_SAR_EN | NAU8824_CLK_DMIC_CH23_EN,
|
|
NAU8824_CLK_ADC_CH23_EN | NAU8824_CLK_ADC_CH01_EN |
|
|
NAU8824_CLK_DAC_CH1_EN | NAU8824_CLK_DAC_CH0_EN |
|
|
NAU8824_CLK_I2S_EN | NAU8824_CLK_GAIN_EN |
|
|
NAU8824_CLK_SAR_EN | NAU8824_CLK_DMIC_CH23_EN);
|
|
/* Class G timer 64ms */
|
|
regmap_update_bits(regmap, NAU8824_REG_CLASSG,
|
|
NAU8824_CLASSG_TIMER_MASK,
|
|
0x20 << NAU8824_CLASSG_TIMER_SFT);
|
|
regmap_update_bits(regmap, NAU8824_REG_TRIM_SETTINGS,
|
|
NAU8824_DRV_CURR_INC, NAU8824_DRV_CURR_INC);
|
|
/* Disable DACR/L power */
|
|
regmap_update_bits(regmap, NAU8824_REG_CHARGE_PUMP_CONTROL,
|
|
NAU8824_SPKR_PULL_DOWN | NAU8824_SPKL_PULL_DOWN |
|
|
NAU8824_POWER_DOWN_DACR | NAU8824_POWER_DOWN_DACL,
|
|
NAU8824_SPKR_PULL_DOWN | NAU8824_SPKL_PULL_DOWN |
|
|
NAU8824_POWER_DOWN_DACR | NAU8824_POWER_DOWN_DACL);
|
|
/* Enable TESTDAC. This sets the analog DAC inputs to a '0' input
|
|
* signal to avoid any glitches due to power up transients in both
|
|
* the analog and digital DAC circuit.
|
|
*/
|
|
regmap_update_bits(regmap, NAU8824_REG_ENABLE_LO,
|
|
NAU8824_TEST_DAC_EN, NAU8824_TEST_DAC_EN);
|
|
/* Config L/R channel */
|
|
regmap_update_bits(regmap, NAU8824_REG_DAC_CH0_DGAIN_CTRL,
|
|
NAU8824_DAC_CH0_SEL_MASK, NAU8824_DAC_CH0_SEL_I2S0);
|
|
regmap_update_bits(regmap, NAU8824_REG_DAC_CH1_DGAIN_CTRL,
|
|
NAU8824_DAC_CH1_SEL_MASK, NAU8824_DAC_CH1_SEL_I2S1);
|
|
regmap_update_bits(regmap, NAU8824_REG_ENABLE_LO,
|
|
NAU8824_DACR_HPR_EN | NAU8824_DACL_HPL_EN,
|
|
NAU8824_DACR_HPR_EN | NAU8824_DACL_HPL_EN);
|
|
/* Default oversampling/decimations settings are unusable
|
|
* (audible hiss). Set it to something better.
|
|
*/
|
|
regmap_update_bits(regmap, NAU8824_REG_ADC_FILTER_CTRL,
|
|
NAU8824_ADC_SYNC_DOWN_MASK, NAU8824_ADC_SYNC_DOWN_64);
|
|
regmap_update_bits(regmap, NAU8824_REG_DAC_FILTER_CTRL_1,
|
|
NAU8824_DAC_CICCLP_OFF | NAU8824_DAC_OVERSAMPLE_MASK,
|
|
NAU8824_DAC_CICCLP_OFF | NAU8824_DAC_OVERSAMPLE_64);
|
|
/* DAC clock delay 2ns, VREF */
|
|
regmap_update_bits(regmap, NAU8824_REG_RDAC,
|
|
NAU8824_RDAC_CLK_DELAY_MASK | NAU8824_RDAC_VREF_MASK,
|
|
(0x2 << NAU8824_RDAC_CLK_DELAY_SFT) |
|
|
(0x3 << NAU8824_RDAC_VREF_SFT));
|
|
/* PGA input mode selection */
|
|
regmap_update_bits(regmap, NAU8824_REG_FEPGA,
|
|
NAU8824_FEPGA_MODEL_SHORT_EN | NAU8824_FEPGA_MODER_SHORT_EN,
|
|
NAU8824_FEPGA_MODEL_SHORT_EN | NAU8824_FEPGA_MODER_SHORT_EN);
|
|
/* Digital microphone control */
|
|
regmap_update_bits(regmap, NAU8824_REG_ANALOG_CONTROL_1,
|
|
NAU8824_DMIC_CLK_DRV_STRG | NAU8824_DMIC_CLK_SLEW_FAST,
|
|
NAU8824_DMIC_CLK_DRV_STRG | NAU8824_DMIC_CLK_SLEW_FAST);
|
|
regmap_update_bits(regmap, NAU8824_REG_JACK_DET_CTRL,
|
|
NAU8824_JACK_LOGIC,
|
|
/* jkdet_polarity - 1 is for active-low */
|
|
nau8824->jkdet_polarity ? 0 : NAU8824_JACK_LOGIC);
|
|
regmap_update_bits(regmap,
|
|
NAU8824_REG_JACK_DET_CTRL, NAU8824_JACK_EJECT_DT_MASK,
|
|
(nau8824->jack_eject_debounce << NAU8824_JACK_EJECT_DT_SFT));
|
|
if (nau8824->sar_threshold_num)
|
|
nau8824_setup_buttons(nau8824);
|
|
}
|
|
|
|
static int nau8824_setup_irq(struct nau8824 *nau8824)
|
|
{
|
|
/* Disable interruption before codec initiation done */
|
|
regmap_update_bits(nau8824->regmap, NAU8824_REG_ENA_CTRL,
|
|
NAU8824_JD_SLEEP_MODE, NAU8824_JD_SLEEP_MODE);
|
|
regmap_update_bits(nau8824->regmap,
|
|
NAU8824_REG_INTERRUPT_SETTING, 0x3ff, 0x3ff);
|
|
regmap_update_bits(nau8824->regmap, NAU8824_REG_INTERRUPT_SETTING_1,
|
|
NAU8824_IRQ_EJECT_EN | NAU8824_IRQ_INSERT_EN, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void nau8824_print_device_properties(struct nau8824 *nau8824)
|
|
{
|
|
struct device *dev = nau8824->dev;
|
|
int i;
|
|
|
|
dev_dbg(dev, "jkdet-polarity: %d\n", nau8824->jkdet_polarity);
|
|
dev_dbg(dev, "micbias-voltage: %d\n", nau8824->micbias_voltage);
|
|
dev_dbg(dev, "vref-impedance: %d\n", nau8824->vref_impedance);
|
|
|
|
dev_dbg(dev, "sar-threshold-num: %d\n", nau8824->sar_threshold_num);
|
|
for (i = 0; i < nau8824->sar_threshold_num; i++)
|
|
dev_dbg(dev, "sar-threshold[%d]=%x\n", i,
|
|
nau8824->sar_threshold[i]);
|
|
|
|
dev_dbg(dev, "sar-hysteresis: %d\n", nau8824->sar_hysteresis);
|
|
dev_dbg(dev, "sar-voltage: %d\n", nau8824->sar_voltage);
|
|
dev_dbg(dev, "sar-compare-time: %d\n", nau8824->sar_compare_time);
|
|
dev_dbg(dev, "sar-sampling-time: %d\n", nau8824->sar_sampling_time);
|
|
dev_dbg(dev, "short-key-debounce: %d\n", nau8824->key_debounce);
|
|
dev_dbg(dev, "jack-eject-debounce: %d\n",
|
|
nau8824->jack_eject_debounce);
|
|
}
|
|
|
|
static int nau8824_read_device_properties(struct device *dev,
|
|
struct nau8824 *nau8824) {
|
|
int ret;
|
|
|
|
ret = device_property_read_u32(dev, "nuvoton,jkdet-polarity",
|
|
&nau8824->jkdet_polarity);
|
|
if (ret)
|
|
nau8824->jkdet_polarity = 1;
|
|
ret = device_property_read_u32(dev, "nuvoton,micbias-voltage",
|
|
&nau8824->micbias_voltage);
|
|
if (ret)
|
|
nau8824->micbias_voltage = 6;
|
|
ret = device_property_read_u32(dev, "nuvoton,vref-impedance",
|
|
&nau8824->vref_impedance);
|
|
if (ret)
|
|
nau8824->vref_impedance = 2;
|
|
ret = device_property_read_u32(dev, "nuvoton,sar-threshold-num",
|
|
&nau8824->sar_threshold_num);
|
|
if (ret)
|
|
nau8824->sar_threshold_num = 4;
|
|
ret = device_property_read_u32_array(dev, "nuvoton,sar-threshold",
|
|
nau8824->sar_threshold, nau8824->sar_threshold_num);
|
|
if (ret) {
|
|
nau8824->sar_threshold[0] = 0x0a;
|
|
nau8824->sar_threshold[1] = 0x14;
|
|
nau8824->sar_threshold[2] = 0x26;
|
|
nau8824->sar_threshold[3] = 0x73;
|
|
}
|
|
ret = device_property_read_u32(dev, "nuvoton,sar-hysteresis",
|
|
&nau8824->sar_hysteresis);
|
|
if (ret)
|
|
nau8824->sar_hysteresis = 0;
|
|
ret = device_property_read_u32(dev, "nuvoton,sar-voltage",
|
|
&nau8824->sar_voltage);
|
|
if (ret)
|
|
nau8824->sar_voltage = 6;
|
|
ret = device_property_read_u32(dev, "nuvoton,sar-compare-time",
|
|
&nau8824->sar_compare_time);
|
|
if (ret)
|
|
nau8824->sar_compare_time = 1;
|
|
ret = device_property_read_u32(dev, "nuvoton,sar-sampling-time",
|
|
&nau8824->sar_sampling_time);
|
|
if (ret)
|
|
nau8824->sar_sampling_time = 1;
|
|
ret = device_property_read_u32(dev, "nuvoton,short-key-debounce",
|
|
&nau8824->key_debounce);
|
|
if (ret)
|
|
nau8824->key_debounce = 0;
|
|
ret = device_property_read_u32(dev, "nuvoton,jack-eject-debounce",
|
|
&nau8824->jack_eject_debounce);
|
|
if (ret)
|
|
nau8824->jack_eject_debounce = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int nau8824_i2c_probe(struct i2c_client *i2c,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
struct device *dev = &i2c->dev;
|
|
struct nau8824 *nau8824 = dev_get_platdata(dev);
|
|
int ret, value;
|
|
|
|
if (!nau8824) {
|
|
nau8824 = devm_kzalloc(dev, sizeof(*nau8824), GFP_KERNEL);
|
|
if (!nau8824)
|
|
return -ENOMEM;
|
|
ret = nau8824_read_device_properties(dev, nau8824);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
i2c_set_clientdata(i2c, nau8824);
|
|
|
|
nau8824->regmap = devm_regmap_init_i2c(i2c, &nau8824_regmap_config);
|
|
if (IS_ERR(nau8824->regmap))
|
|
return PTR_ERR(nau8824->regmap);
|
|
nau8824->dev = dev;
|
|
nau8824->irq = i2c->irq;
|
|
sema_init(&nau8824->jd_sem, 1);
|
|
|
|
nau8824_print_device_properties(nau8824);
|
|
|
|
ret = regmap_read(nau8824->regmap, NAU8824_REG_I2C_DEVICE_ID, &value);
|
|
if (ret < 0) {
|
|
dev_err(dev, "Failed to read device id from the NAU8824: %d\n",
|
|
ret);
|
|
return ret;
|
|
}
|
|
nau8824_reset_chip(nau8824->regmap);
|
|
nau8824_init_regs(nau8824);
|
|
|
|
if (i2c->irq)
|
|
nau8824_setup_irq(nau8824);
|
|
|
|
return devm_snd_soc_register_component(dev,
|
|
&nau8824_component_driver, &nau8824_dai, 1);
|
|
}
|
|
|
|
static const struct i2c_device_id nau8824_i2c_ids[] = {
|
|
{ "nau8824", 0 },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(i2c, nau8824_i2c_ids);
|
|
|
|
#ifdef CONFIG_OF
|
|
static const struct of_device_id nau8824_of_ids[] = {
|
|
{ .compatible = "nuvoton,nau8824", },
|
|
{}
|
|
};
|
|
MODULE_DEVICE_TABLE(of, nau8824_of_ids);
|
|
#endif
|
|
|
|
#ifdef CONFIG_ACPI
|
|
static const struct acpi_device_id nau8824_acpi_match[] = {
|
|
{ "10508824", 0 },
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(acpi, nau8824_acpi_match);
|
|
#endif
|
|
|
|
static struct i2c_driver nau8824_i2c_driver = {
|
|
.driver = {
|
|
.name = "nau8824",
|
|
.of_match_table = of_match_ptr(nau8824_of_ids),
|
|
.acpi_match_table = ACPI_PTR(nau8824_acpi_match),
|
|
},
|
|
.probe = nau8824_i2c_probe,
|
|
.id_table = nau8824_i2c_ids,
|
|
};
|
|
module_i2c_driver(nau8824_i2c_driver);
|
|
|
|
|
|
MODULE_DESCRIPTION("ASoC NAU88L24 driver");
|
|
MODULE_AUTHOR("John Hsu <KCHSU0@nuvoton.com>");
|
|
MODULE_LICENSE("GPL v2");
|