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889 lines
24 KiB
889 lines
24 KiB
// SPDX-License-Identifier: GPL-2.0 |
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// |
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// Ingenic JZ4760 CODEC driver |
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// |
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// Copyright (C) 2021, Christophe Branchereau <[email protected]> |
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// Copyright (C) 2021, Paul Cercueil <[email protected]> |
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#include <linux/bitfield.h> |
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#include <linux/clk.h> |
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#include <linux/delay.h> |
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#include <linux/iopoll.h> |
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#include <linux/module.h> |
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#include <linux/regmap.h> |
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#include <linux/time64.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-dai.h> |
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#include <sound/soc-dapm.h> |
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#include <sound/tlv.h> |
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#define ICDC_RGADW_OFFSET 0x00 |
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#define ICDC_RGDATA_OFFSET 0x04 |
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/* ICDC internal register access control register(RGADW) */ |
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#define ICDC_RGADW_RGWR BIT(16) |
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#define ICDC_RGADW_RGADDR_MASK GENMASK(14, 8) |
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#define ICDC_RGADW_RGDIN_MASK GENMASK(7, 0) |
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/* ICDC internal register data output register (RGDATA)*/ |
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#define ICDC_RGDATA_IRQ BIT(8) |
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#define ICDC_RGDATA_RGDOUT_MASK GENMASK(7, 0) |
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/* Internal register space, accessed through regmap */ |
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enum { |
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JZ4760_CODEC_REG_SR, |
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JZ4760_CODEC_REG_AICR, |
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JZ4760_CODEC_REG_CR1, |
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JZ4760_CODEC_REG_CR2, |
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JZ4760_CODEC_REG_CR3, |
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JZ4760_CODEC_REG_CR4, |
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JZ4760_CODEC_REG_CCR1, |
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JZ4760_CODEC_REG_CCR2, |
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JZ4760_CODEC_REG_PMR1, |
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JZ4760_CODEC_REG_PMR2, |
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JZ4760_CODEC_REG_ICR, |
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JZ4760_CODEC_REG_IFR, |
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JZ4760_CODEC_REG_GCR1, |
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JZ4760_CODEC_REG_GCR2, |
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JZ4760_CODEC_REG_GCR3, |
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JZ4760_CODEC_REG_GCR4, |
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JZ4760_CODEC_REG_GCR5, |
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JZ4760_CODEC_REG_GCR6, |
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JZ4760_CODEC_REG_GCR7, |
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JZ4760_CODEC_REG_GCR8, |
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JZ4760_CODEC_REG_GCR9, |
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JZ4760_CODEC_REG_AGC1, |
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JZ4760_CODEC_REG_AGC2, |
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JZ4760_CODEC_REG_AGC3, |
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JZ4760_CODEC_REG_AGC4, |
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JZ4760_CODEC_REG_AGC5, |
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JZ4760_CODEC_REG_MIX1, |
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JZ4760_CODEC_REG_MIX2, |
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}; |
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#define REG_AICR_DAC_ADWL_MASK GENMASK(7, 6) |
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#define REG_AICR_DAC_SERIAL BIT(3) |
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#define REG_AICR_DAC_I2S BIT(1) |
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#define REG_AICR_ADC_ADWL_MASK GENMASK(5, 4) |
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#define REG_AICR_ADC_SERIAL BIT(2) |
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#define REG_AICR_ADC_I2S BIT(0) |
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#define REG_CR1_HP_LOAD BIT(7) |
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#define REG_CR1_HP_MUTE BIT(5) |
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#define REG_CR1_LO_MUTE_OFFSET 4 |
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#define REG_CR1_BTL_MUTE_OFFSET 3 |
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#define REG_CR1_OUTSEL_OFFSET 0 |
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#define REG_CR1_OUTSEL_MASK GENMASK(1, REG_CR1_OUTSEL_OFFSET) |
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#define REG_CR2_DAC_MONO BIT(7) |
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#define REG_CR2_DAC_MUTE BIT(5) |
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#define REG_CR2_DAC_NOMAD BIT(1) |
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#define REG_CR2_DAC_RIGHT_ONLY BIT(0) |
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#define REG_CR3_ADC_INSEL_OFFSET 2 |
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#define REG_CR3_ADC_INSEL_MASK GENMASK(3, REG_CR3_ADC_INSEL_OFFSET) |
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#define REG_CR3_MICSTEREO_OFFSET 1 |
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#define REG_CR3_MICDIFF_OFFSET 0 |
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#define REG_CR4_ADC_HPF_OFFSET 7 |
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#define REG_CR4_ADC_RIGHT_ONLY BIT(0) |
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#define REG_CCR1_CRYSTAL_MASK GENMASK(3, 0) |
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#define REG_CCR2_DAC_FREQ_MASK GENMASK(7, 4) |
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#define REG_CCR2_ADC_FREQ_MASK GENMASK(3, 0) |
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#define REG_PMR1_SB BIT(7) |
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#define REG_PMR1_SB_SLEEP BIT(6) |
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#define REG_PMR1_SB_AIP_OFFSET 5 |
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#define REG_PMR1_SB_LINE_OFFSET 4 |
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#define REG_PMR1_SB_MIC1_OFFSET 3 |
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#define REG_PMR1_SB_MIC2_OFFSET 2 |
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#define REG_PMR1_SB_BYPASS_OFFSET 1 |
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#define REG_PMR1_SB_MICBIAS_OFFSET 0 |
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#define REG_PMR2_SB_ADC_OFFSET 4 |
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#define REG_PMR2_SB_HP_OFFSET 3 |
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#define REG_PMR2_SB_BTL_OFFSET 2 |
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#define REG_PMR2_SB_LOUT_OFFSET 1 |
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#define REG_PMR2_SB_DAC_OFFSET 0 |
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#define REG_ICR_INT_FORM_MASK GENMASK(7, 6) |
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#define REG_ICR_ALL_MASK GENMASK(5, 0) |
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#define REG_ICR_JACK_MASK BIT(5) |
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#define REG_ICR_SCMC_MASK BIT(4) |
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#define REG_ICR_RUP_MASK BIT(3) |
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#define REG_ICR_RDO_MASK BIT(2) |
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#define REG_ICR_GUP_MASK BIT(1) |
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#define REG_ICR_GDO_MASK BIT(0) |
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#define REG_IFR_ALL_MASK GENMASK(5, 0) |
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#define REG_IFR_JACK BIT(6) |
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#define REG_IFR_JACK_EVENT BIT(5) |
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#define REG_IFR_SCMC BIT(4) |
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#define REG_IFR_RUP BIT(3) |
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#define REG_IFR_RDO BIT(2) |
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#define REG_IFR_GUP BIT(1) |
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#define REG_IFR_GDO BIT(0) |
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#define REG_GCR_GAIN_OFFSET 0 |
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#define REG_GCR_GAIN_MAX 0x1f |
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#define REG_GCR_RL BIT(7) |
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#define REG_GCR_GIM1_MASK GENMASK(5, 3) |
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#define REG_GCR_GIM2_MASK GENMASK(2, 0) |
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#define REG_GCR_GIM_GAIN_MAX 7 |
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#define REG_AGC1_EN BIT(7) |
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#define REG_AGC1_TARGET_MASK GENMASK(5, 2) |
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#define REG_AGC2_NG_THR_MASK GENMASK(6, 4) |
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#define REG_AGC2_HOLD_MASK GENMASK(3, 0) |
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#define REG_AGC3_ATK_MASK GENMASK(7, 4) |
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#define REG_AGC3_DCY_MASK GENMASK(3, 0) |
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#define REG_AGC4_AGC_MAX_MASK GENMASK(4, 0) |
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#define REG_AGC5_AGC_MIN_MASK GENMASK(4, 0) |
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#define REG_MIX1_MIX_REC_MASK GENMASK(7, 6) |
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#define REG_MIX1_GIMIX_MASK GENMASK(4, 0) |
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#define REG_MIX2_DAC_MIX_MASK GENMASK(7, 6) |
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#define REG_MIX2_GOMIX_MASK GENMASK(4, 0) |
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/* codec private data */ |
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struct jz_codec { |
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struct device *dev; |
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struct regmap *regmap; |
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void __iomem *base; |
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struct clk *clk; |
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}; |
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static int jz4760_codec_set_bias_level(struct snd_soc_component *codec, |
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enum snd_soc_bias_level level) |
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{ |
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struct jz_codec *jz_codec = snd_soc_component_get_drvdata(codec); |
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struct regmap *regmap = jz_codec->regmap; |
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switch (level) { |
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case SND_SOC_BIAS_PREPARE: |
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/* Reset all interrupt flags. */ |
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regmap_write(regmap, JZ4760_CODEC_REG_IFR, REG_IFR_ALL_MASK); |
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regmap_clear_bits(regmap, JZ4760_CODEC_REG_PMR1, REG_PMR1_SB); |
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msleep(250); |
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regmap_clear_bits(regmap, JZ4760_CODEC_REG_PMR1, REG_PMR1_SB_SLEEP); |
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msleep(400); |
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break; |
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case SND_SOC_BIAS_STANDBY: |
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regmap_set_bits(regmap, JZ4760_CODEC_REG_PMR1, REG_PMR1_SB_SLEEP); |
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regmap_set_bits(regmap, JZ4760_CODEC_REG_PMR1, REG_PMR1_SB); |
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break; |
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default: |
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break; |
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} |
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return 0; |
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} |
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static int jz4760_codec_startup(struct snd_pcm_substream *substream, |
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struct snd_soc_dai *dai) |
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{ |
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struct snd_soc_component *codec = dai->component; |
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struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(codec); |
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int ret; |
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/* |
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* SYSCLK output from the codec to the AIC is required to keep the |
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* DMA transfer going during playback when all audible outputs have |
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* been disabled. |
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*/ |
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
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ret = snd_soc_dapm_force_enable_pin(dapm, "SYSCLK"); |
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return 0; |
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} |
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static void jz4760_codec_shutdown(struct snd_pcm_substream *substream, |
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struct snd_soc_dai *dai) |
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{ |
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struct snd_soc_component *codec = dai->component; |
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struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(codec); |
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
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snd_soc_dapm_disable_pin(dapm, "SYSCLK"); |
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} |
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static int jz4760_codec_pcm_trigger(struct snd_pcm_substream *substream, |
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int cmd, struct snd_soc_dai *dai) |
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{ |
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struct snd_soc_component *codec = dai->component; |
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int ret = 0; |
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switch (cmd) { |
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case SNDRV_PCM_TRIGGER_START: |
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case SNDRV_PCM_TRIGGER_RESUME: |
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case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
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if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK) |
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snd_soc_component_force_bias_level(codec, SND_SOC_BIAS_ON); |
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break; |
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case SNDRV_PCM_TRIGGER_STOP: |
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case SNDRV_PCM_TRIGGER_SUSPEND: |
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case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
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/* do nothing */ |
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break; |
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default: |
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ret = -EINVAL; |
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} |
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return ret; |
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} |
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static int jz4760_codec_mute_stream(struct snd_soc_dai *dai, int mute, int direction) |
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{ |
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struct snd_soc_component *codec = dai->component; |
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struct jz_codec *jz_codec = snd_soc_component_get_drvdata(codec); |
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unsigned int gain_bit = mute ? REG_IFR_GDO : REG_IFR_GUP; |
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unsigned int val, reg; |
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int change, err; |
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change = snd_soc_component_update_bits(codec, JZ4760_CODEC_REG_CR2, |
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REG_CR2_DAC_MUTE, |
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mute ? REG_CR2_DAC_MUTE : 0); |
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if (change == 1) { |
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regmap_read(jz_codec->regmap, JZ4760_CODEC_REG_PMR2, &val); |
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if (val & BIT(REG_PMR2_SB_DAC_OFFSET)) |
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return 1; |
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err = regmap_read_poll_timeout(jz_codec->regmap, |
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JZ4760_CODEC_REG_IFR, |
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val, val & gain_bit, |
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1000, 1 * USEC_PER_SEC); |
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if (err) { |
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dev_err(jz_codec->dev, |
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"Timeout while setting digital mute: %d", err); |
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return err; |
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} |
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/* clear GUP/GDO flag */ |
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regmap_write(jz_codec->regmap, JZ4760_CODEC_REG_IFR, gain_bit); |
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} |
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regmap_read(jz_codec->regmap, JZ4760_CODEC_REG_CR2, ®); |
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return 0; |
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} |
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/* unit: 0.01dB */ |
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static const DECLARE_TLV_DB_MINMAX_MUTE(dac_tlv, -3100, 100); |
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static const DECLARE_TLV_DB_SCALE(adc_tlv, 0, 100, 0); |
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static const DECLARE_TLV_DB_MINMAX(out_tlv, -2500, 100); |
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static const DECLARE_TLV_DB_SCALE(linein_tlv, -2500, 100, 0); |
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/* Unconditional controls. */ |
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static const struct snd_kcontrol_new jz4760_codec_snd_controls[] = { |
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/* record gain control */ |
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SOC_DOUBLE_R_TLV("PCM Capture Volume", |
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JZ4760_CODEC_REG_GCR9, JZ4760_CODEC_REG_GCR8, |
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REG_GCR_GAIN_OFFSET, REG_GCR_GAIN_MAX, 0, adc_tlv), |
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SOC_DOUBLE_R_TLV("Line In Bypass Playback Volume", |
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JZ4760_CODEC_REG_GCR4, JZ4760_CODEC_REG_GCR3, |
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REG_GCR_GAIN_OFFSET, REG_GCR_GAIN_MAX, 1, linein_tlv), |
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SOC_SINGLE("High-Pass Filter Capture Switch", |
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JZ4760_CODEC_REG_CR4, |
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REG_CR4_ADC_HPF_OFFSET, 1, 0), |
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}; |
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static const struct snd_kcontrol_new jz4760_codec_pcm_playback_controls[] = { |
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{ |
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
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.name = "Volume", |
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.info = snd_soc_info_volsw, |
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.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |
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| SNDRV_CTL_ELEM_ACCESS_READWRITE, |
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.tlv.p = dac_tlv, |
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.get = snd_soc_dapm_get_volsw, |
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.put = snd_soc_dapm_put_volsw, |
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.private_value = SOC_DOUBLE_R_VALUE(JZ4760_CODEC_REG_GCR6, |
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JZ4760_CODEC_REG_GCR5, |
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REG_GCR_GAIN_OFFSET, |
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REG_GCR_GAIN_MAX, 1), |
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}, |
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}; |
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static const struct snd_kcontrol_new jz4760_codec_hp_playback_controls[] = { |
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{ |
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
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.name = "Volume", |
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.info = snd_soc_info_volsw, |
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.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |
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| SNDRV_CTL_ELEM_ACCESS_READWRITE, |
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.tlv.p = out_tlv, |
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.get = snd_soc_dapm_get_volsw, |
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.put = snd_soc_dapm_put_volsw, |
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.private_value = SOC_DOUBLE_R_VALUE(JZ4760_CODEC_REG_GCR2, |
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JZ4760_CODEC_REG_GCR1, |
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REG_GCR_GAIN_OFFSET, |
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REG_GCR_GAIN_MAX, 1), |
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}, |
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}; |
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static int hpout_event(struct snd_soc_dapm_widget *w, |
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struct snd_kcontrol *kcontrol, int event) |
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{ |
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struct snd_soc_component *codec = snd_soc_dapm_to_component(w->dapm); |
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struct jz_codec *jz_codec = snd_soc_component_get_drvdata(codec); |
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unsigned int val; |
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int err; |
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switch (event) { |
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case SND_SOC_DAPM_PRE_PMU: |
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/* unmute HP */ |
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regmap_clear_bits(jz_codec->regmap, JZ4760_CODEC_REG_CR1, |
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REG_CR1_HP_MUTE); |
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break; |
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case SND_SOC_DAPM_POST_PMU: |
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/* wait for ramp-up complete (RUP) */ |
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err = regmap_read_poll_timeout(jz_codec->regmap, |
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JZ4760_CODEC_REG_IFR, |
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val, val & REG_IFR_RUP, |
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1000, 1 * USEC_PER_SEC); |
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if (err) { |
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dev_err(jz_codec->dev, "RUP timeout: %d", err); |
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return err; |
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} |
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/* clear RUP flag */ |
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regmap_set_bits(jz_codec->regmap, JZ4760_CODEC_REG_IFR, |
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REG_IFR_RUP); |
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break; |
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case SND_SOC_DAPM_POST_PMD: |
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/* mute HP */ |
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regmap_set_bits(jz_codec->regmap, JZ4760_CODEC_REG_CR1, |
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REG_CR1_HP_MUTE); |
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err = regmap_read_poll_timeout(jz_codec->regmap, |
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JZ4760_CODEC_REG_IFR, |
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val, val & REG_IFR_RDO, |
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1000, 1 * USEC_PER_SEC); |
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if (err) { |
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dev_err(jz_codec->dev, "RDO timeout: %d", err); |
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return err; |
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} |
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/* clear RDO flag */ |
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regmap_set_bits(jz_codec->regmap, JZ4760_CODEC_REG_IFR, |
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REG_IFR_RDO); |
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break; |
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} |
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return 0; |
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} |
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static const char * const jz4760_codec_hp_texts[] = { |
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"PCM", "Line In", "Mic 1", "Mic 2" |
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}; |
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static const unsigned int jz4760_codec_hp_values[] = { 3, 2, 0, 1 }; |
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static SOC_VALUE_ENUM_SINGLE_DECL(jz4760_codec_hp_enum, |
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JZ4760_CODEC_REG_CR1, |
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REG_CR1_OUTSEL_OFFSET, |
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REG_CR1_OUTSEL_MASK >> REG_CR1_OUTSEL_OFFSET, |
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jz4760_codec_hp_texts, |
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jz4760_codec_hp_values); |
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static const struct snd_kcontrol_new jz4760_codec_hp_source = |
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SOC_DAPM_ENUM("Route", jz4760_codec_hp_enum); |
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static const char * const jz4760_codec_cap_texts[] = { |
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"Line In", "Mic 1", "Mic 2" |
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}; |
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static const unsigned int jz4760_codec_cap_values[] = { 2, 0, 1 }; |
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static SOC_VALUE_ENUM_SINGLE_DECL(jz4760_codec_cap_enum, |
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JZ4760_CODEC_REG_CR3, |
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REG_CR3_ADC_INSEL_OFFSET, |
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REG_CR3_ADC_INSEL_MASK >> REG_CR3_ADC_INSEL_OFFSET, |
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jz4760_codec_cap_texts, |
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jz4760_codec_cap_values); |
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static const struct snd_kcontrol_new jz4760_codec_cap_source = |
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SOC_DAPM_ENUM("Route", jz4760_codec_cap_enum); |
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static const struct snd_kcontrol_new jz4760_codec_mic_controls[] = { |
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SOC_DAPM_SINGLE("Stereo Capture Switch", JZ4760_CODEC_REG_CR3, |
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REG_CR3_MICSTEREO_OFFSET, 1, 0), |
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}; |
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static const struct snd_kcontrol_new jz4760_codec_line_out_switch = |
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SOC_DAPM_SINGLE("Switch", JZ4760_CODEC_REG_CR1, |
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REG_CR1_LO_MUTE_OFFSET, 0, 0); |
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static const struct snd_kcontrol_new jz4760_codec_btl_out_switch = |
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SOC_DAPM_SINGLE("Switch", JZ4760_CODEC_REG_CR1, |
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REG_CR1_BTL_MUTE_OFFSET, 0, 0); |
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static const struct snd_soc_dapm_widget jz4760_codec_dapm_widgets[] = { |
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SND_SOC_DAPM_PGA_E("HP Out", JZ4760_CODEC_REG_PMR2, |
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REG_PMR2_SB_HP_OFFSET, 1, NULL, 0, hpout_event, |
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SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | |
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SND_SOC_DAPM_POST_PMD), |
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SND_SOC_DAPM_SWITCH("Line Out", JZ4760_CODEC_REG_PMR2, |
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REG_PMR2_SB_LOUT_OFFSET, 1, |
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&jz4760_codec_line_out_switch), |
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SND_SOC_DAPM_SWITCH("BTL Out", JZ4760_CODEC_REG_PMR2, |
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REG_PMR2_SB_BTL_OFFSET, 1, |
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&jz4760_codec_btl_out_switch), |
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SND_SOC_DAPM_PGA("Line In", JZ4760_CODEC_REG_PMR1, |
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REG_PMR1_SB_LINE_OFFSET, 1, NULL, 0), |
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SND_SOC_DAPM_MUX("Headphones Source", SND_SOC_NOPM, 0, 0, |
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&jz4760_codec_hp_source), |
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SND_SOC_DAPM_MUX("Capture Source", SND_SOC_NOPM, 0, 0, |
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&jz4760_codec_cap_source), |
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SND_SOC_DAPM_PGA("Mic 1", JZ4760_CODEC_REG_PMR1, |
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REG_PMR1_SB_MIC1_OFFSET, 1, NULL, 0), |
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|
|
SND_SOC_DAPM_PGA("Mic 2", JZ4760_CODEC_REG_PMR1, |
|
REG_PMR1_SB_MIC2_OFFSET, 1, NULL, 0), |
|
|
|
SND_SOC_DAPM_PGA("Mic Diff", JZ4760_CODEC_REG_CR3, |
|
REG_CR3_MICDIFF_OFFSET, 0, NULL, 0), |
|
|
|
SND_SOC_DAPM_MIXER("Mic", SND_SOC_NOPM, 0, 0, |
|
jz4760_codec_mic_controls, |
|
ARRAY_SIZE(jz4760_codec_mic_controls)), |
|
|
|
SND_SOC_DAPM_PGA("Line In Bypass", JZ4760_CODEC_REG_PMR1, |
|
REG_PMR1_SB_BYPASS_OFFSET, 1, NULL, 0), |
|
|
|
SND_SOC_DAPM_ADC("ADC", "Capture", JZ4760_CODEC_REG_PMR2, |
|
REG_PMR2_SB_ADC_OFFSET, 1), |
|
|
|
SND_SOC_DAPM_DAC("DAC", "Playback", JZ4760_CODEC_REG_PMR2, |
|
REG_PMR2_SB_DAC_OFFSET, 1), |
|
|
|
SND_SOC_DAPM_MIXER("PCM Playback", SND_SOC_NOPM, 0, 0, |
|
jz4760_codec_pcm_playback_controls, |
|
ARRAY_SIZE(jz4760_codec_pcm_playback_controls)), |
|
|
|
SND_SOC_DAPM_MIXER("Headphones Playback", SND_SOC_NOPM, 0, 0, |
|
jz4760_codec_hp_playback_controls, |
|
ARRAY_SIZE(jz4760_codec_hp_playback_controls)), |
|
|
|
SND_SOC_DAPM_SUPPLY("MICBIAS", JZ4760_CODEC_REG_PMR1, |
|
REG_PMR1_SB_MICBIAS_OFFSET, 1, NULL, 0), |
|
|
|
SND_SOC_DAPM_INPUT("MIC1P"), |
|
SND_SOC_DAPM_INPUT("MIC1N"), |
|
SND_SOC_DAPM_INPUT("MIC2P"), |
|
SND_SOC_DAPM_INPUT("MIC2N"), |
|
|
|
SND_SOC_DAPM_INPUT("LLINEIN"), |
|
SND_SOC_DAPM_INPUT("RLINEIN"), |
|
|
|
SND_SOC_DAPM_OUTPUT("LHPOUT"), |
|
SND_SOC_DAPM_OUTPUT("RHPOUT"), |
|
|
|
SND_SOC_DAPM_OUTPUT("LOUT"), |
|
SND_SOC_DAPM_OUTPUT("ROUT"), |
|
|
|
SND_SOC_DAPM_OUTPUT("BTLP"), |
|
SND_SOC_DAPM_OUTPUT("BTLN"), |
|
|
|
SND_SOC_DAPM_OUTPUT("SYSCLK"), |
|
}; |
|
|
|
/* Unconditional routes. */ |
|
static const struct snd_soc_dapm_route jz4760_codec_dapm_routes[] = { |
|
{ "Mic 1", NULL, "MIC1P" }, |
|
{ "Mic Diff", NULL, "MIC1N" }, |
|
{ "Mic 1", NULL, "Mic Diff" }, |
|
{ "Mic 2", NULL, "MIC2P" }, |
|
{ "Mic Diff", NULL, "MIC2N" }, |
|
{ "Mic 2", NULL, "Mic Diff" }, |
|
|
|
{ "Line In", NULL, "LLINEIN" }, |
|
{ "Line In", NULL, "RLINEIN" }, |
|
|
|
{ "Mic", "Stereo Capture Switch", "Mic 1" }, |
|
{ "Mic", "Stereo Capture Switch", "Mic 2" }, |
|
{ "Headphones Source", "Mic 1", "Mic" }, |
|
{ "Headphones Source", "Mic 2", "Mic" }, |
|
{ "Capture Source", "Mic 1", "Mic" }, |
|
{ "Capture Source", "Mic 2", "Mic" }, |
|
|
|
{ "Capture Source", "Line In", "Line In" }, |
|
{ "Capture Source", "Mic 1", "Mic 1" }, |
|
{ "Capture Source", "Mic 2", "Mic 2" }, |
|
{ "ADC", NULL, "Capture Source" }, |
|
|
|
{ "Line In Bypass", NULL, "Line In" }, |
|
|
|
{ "Headphones Source", "Mic 1", "Mic 1" }, |
|
{ "Headphones Source", "Mic 2", "Mic 2" }, |
|
{ "Headphones Source", "Line In", "Line In Bypass" }, |
|
{ "Headphones Source", "PCM", "Headphones Playback" }, |
|
{ "HP Out", NULL, "Headphones Source" }, |
|
|
|
{ "LHPOUT", NULL, "HP Out" }, |
|
{ "RHPOUT", NULL, "HP Out" }, |
|
{ "Line Out", "Switch", "HP Out" }, |
|
|
|
{ "LOUT", NULL, "Line Out" }, |
|
{ "ROUT", NULL, "Line Out" }, |
|
{ "BTL Out", "Switch", "Line Out" }, |
|
|
|
{ "BTLP", NULL, "BTL Out"}, |
|
{ "BTLN", NULL, "BTL Out"}, |
|
|
|
{ "PCM Playback", "Volume", "DAC" }, |
|
{ "Headphones Playback", "Volume", "PCM Playback" }, |
|
|
|
{ "SYSCLK", NULL, "DAC" }, |
|
}; |
|
|
|
static void jz4760_codec_codec_init_regs(struct snd_soc_component *codec) |
|
{ |
|
struct jz_codec *jz_codec = snd_soc_component_get_drvdata(codec); |
|
struct regmap *regmap = jz_codec->regmap; |
|
|
|
/* Collect updates for later sending. */ |
|
regcache_cache_only(regmap, true); |
|
|
|
/* default Amp output to PCM */ |
|
regmap_set_bits(regmap, JZ4760_CODEC_REG_CR1, REG_CR1_OUTSEL_MASK); |
|
|
|
/* Disable stereo mic */ |
|
regmap_clear_bits(regmap, JZ4760_CODEC_REG_CR3, |
|
BIT(REG_CR3_MICSTEREO_OFFSET)); |
|
|
|
/* Set mic 1 as default source for ADC */ |
|
regmap_clear_bits(regmap, JZ4760_CODEC_REG_CR3, |
|
REG_CR3_ADC_INSEL_MASK); |
|
|
|
/* ADC/DAC: serial + i2s */ |
|
regmap_set_bits(regmap, JZ4760_CODEC_REG_AICR, |
|
REG_AICR_ADC_SERIAL | REG_AICR_ADC_I2S | |
|
REG_AICR_DAC_SERIAL | REG_AICR_DAC_I2S); |
|
|
|
/* The generated IRQ is a high level */ |
|
regmap_clear_bits(regmap, JZ4760_CODEC_REG_ICR, REG_ICR_INT_FORM_MASK); |
|
regmap_update_bits(regmap, JZ4760_CODEC_REG_ICR, REG_ICR_ALL_MASK, |
|
REG_ICR_JACK_MASK | REG_ICR_RUP_MASK | |
|
REG_ICR_RDO_MASK | REG_ICR_GUP_MASK | |
|
REG_ICR_GDO_MASK); |
|
|
|
/* 12M oscillator */ |
|
regmap_clear_bits(regmap, JZ4760_CODEC_REG_CCR1, REG_CCR1_CRYSTAL_MASK); |
|
|
|
/* 0: 16ohm/220uF, 1: 10kohm/1uF */ |
|
regmap_clear_bits(regmap, JZ4760_CODEC_REG_CR1, REG_CR1_HP_LOAD); |
|
|
|
/* default to NOMAD */ |
|
regmap_set_bits(jz_codec->regmap, JZ4760_CODEC_REG_CR2, |
|
REG_CR2_DAC_NOMAD); |
|
|
|
/* disable automatic gain */ |
|
regmap_clear_bits(regmap, JZ4760_CODEC_REG_AGC1, REG_AGC1_EN); |
|
|
|
/* Independent L/R DAC gain control */ |
|
regmap_clear_bits(regmap, JZ4760_CODEC_REG_GCR5, |
|
REG_GCR_RL); |
|
|
|
/* Send collected updates. */ |
|
regcache_cache_only(regmap, false); |
|
regcache_sync(regmap); |
|
} |
|
|
|
static int jz4760_codec_codec_probe(struct snd_soc_component *codec) |
|
{ |
|
struct jz_codec *jz_codec = snd_soc_component_get_drvdata(codec); |
|
|
|
clk_prepare_enable(jz_codec->clk); |
|
|
|
jz4760_codec_codec_init_regs(codec); |
|
|
|
return 0; |
|
} |
|
|
|
static void jz4760_codec_codec_remove(struct snd_soc_component *codec) |
|
{ |
|
struct jz_codec *jz_codec = snd_soc_component_get_drvdata(codec); |
|
|
|
clk_disable_unprepare(jz_codec->clk); |
|
} |
|
|
|
static const struct snd_soc_component_driver jz4760_codec_soc_codec_dev = { |
|
.probe = jz4760_codec_codec_probe, |
|
.remove = jz4760_codec_codec_remove, |
|
.set_bias_level = jz4760_codec_set_bias_level, |
|
.controls = jz4760_codec_snd_controls, |
|
.num_controls = ARRAY_SIZE(jz4760_codec_snd_controls), |
|
.dapm_widgets = jz4760_codec_dapm_widgets, |
|
.num_dapm_widgets = ARRAY_SIZE(jz4760_codec_dapm_widgets), |
|
.dapm_routes = jz4760_codec_dapm_routes, |
|
.num_dapm_routes = ARRAY_SIZE(jz4760_codec_dapm_routes), |
|
.suspend_bias_off = 1, |
|
.use_pmdown_time = 1, |
|
}; |
|
|
|
static const unsigned int jz4760_codec_sample_rates[] = { |
|
96000, 48000, 44100, 32000, |
|
24000, 22050, 16000, 12000, |
|
11025, 9600, 8000, |
|
}; |
|
|
|
static int jz4760_codec_hw_params(struct snd_pcm_substream *substream, |
|
struct snd_pcm_hw_params *params, |
|
struct snd_soc_dai *dai) |
|
{ |
|
struct jz_codec *codec = snd_soc_component_get_drvdata(dai->component); |
|
unsigned int rate, bit_width; |
|
|
|
switch (params_format(params)) { |
|
case SNDRV_PCM_FORMAT_S16_LE: |
|
bit_width = 0; |
|
break; |
|
case SNDRV_PCM_FORMAT_S18_3LE: |
|
bit_width = 1; |
|
break; |
|
case SNDRV_PCM_FORMAT_S20_3LE: |
|
bit_width = 2; |
|
break; |
|
case SNDRV_PCM_FORMAT_S24_3LE: |
|
bit_width = 3; |
|
break; |
|
default: |
|
return -EINVAL; |
|
} |
|
|
|
for (rate = 0; rate < ARRAY_SIZE(jz4760_codec_sample_rates); rate++) { |
|
if (jz4760_codec_sample_rates[rate] == params_rate(params)) |
|
break; |
|
} |
|
|
|
if (rate == ARRAY_SIZE(jz4760_codec_sample_rates)) |
|
return -EINVAL; |
|
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { |
|
regmap_update_bits(codec->regmap, JZ4760_CODEC_REG_AICR, |
|
REG_AICR_DAC_ADWL_MASK, |
|
FIELD_PREP(REG_AICR_DAC_ADWL_MASK, bit_width)); |
|
regmap_update_bits(codec->regmap, JZ4760_CODEC_REG_CCR2, |
|
REG_CCR2_DAC_FREQ_MASK, |
|
FIELD_PREP(REG_CCR2_DAC_FREQ_MASK, rate)); |
|
} else { |
|
regmap_update_bits(codec->regmap, JZ4760_CODEC_REG_AICR, |
|
REG_AICR_ADC_ADWL_MASK, |
|
FIELD_PREP(REG_AICR_ADC_ADWL_MASK, bit_width)); |
|
regmap_update_bits(codec->regmap, JZ4760_CODEC_REG_CCR2, |
|
REG_CCR2_ADC_FREQ_MASK, |
|
FIELD_PREP(REG_CCR2_ADC_FREQ_MASK, rate)); |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static const struct snd_soc_dai_ops jz4760_codec_dai_ops = { |
|
.startup = jz4760_codec_startup, |
|
.shutdown = jz4760_codec_shutdown, |
|
.hw_params = jz4760_codec_hw_params, |
|
.trigger = jz4760_codec_pcm_trigger, |
|
.mute_stream = jz4760_codec_mute_stream, |
|
.no_capture_mute = 1, |
|
}; |
|
|
|
#define JZ_CODEC_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ |
|
SNDRV_PCM_FMTBIT_S18_3LE | \ |
|
SNDRV_PCM_FMTBIT_S20_3LE | \ |
|
SNDRV_PCM_FMTBIT_S24_3LE) |
|
|
|
static struct snd_soc_dai_driver jz4760_codec_dai = { |
|
.name = "jz4760-hifi", |
|
.playback = { |
|
.stream_name = "Playback", |
|
.channels_min = 2, |
|
.channels_max = 2, |
|
.rates = SNDRV_PCM_RATE_8000_96000, |
|
.formats = JZ_CODEC_FORMATS, |
|
}, |
|
.capture = { |
|
.stream_name = "Capture", |
|
.channels_min = 2, |
|
.channels_max = 2, |
|
.rates = SNDRV_PCM_RATE_8000_96000, |
|
.formats = JZ_CODEC_FORMATS, |
|
}, |
|
.ops = &jz4760_codec_dai_ops, |
|
}; |
|
|
|
static bool jz4760_codec_volatile(struct device *dev, unsigned int reg) |
|
{ |
|
return reg == JZ4760_CODEC_REG_SR || reg == JZ4760_CODEC_REG_IFR; |
|
} |
|
|
|
static bool jz4760_codec_writeable(struct device *dev, unsigned int reg) |
|
{ |
|
switch (reg) { |
|
case JZ4760_CODEC_REG_SR: |
|
return false; |
|
default: |
|
return true; |
|
} |
|
} |
|
|
|
static int jz4760_codec_io_wait(struct jz_codec *codec) |
|
{ |
|
u32 reg; |
|
|
|
return readl_poll_timeout(codec->base + ICDC_RGADW_OFFSET, reg, |
|
!(reg & ICDC_RGADW_RGWR), |
|
1000, 1 * USEC_PER_SEC); |
|
} |
|
|
|
static int jz4760_codec_reg_read(void *context, unsigned int reg, |
|
unsigned int *val) |
|
{ |
|
struct jz_codec *codec = context; |
|
unsigned int i; |
|
u32 tmp; |
|
int ret; |
|
|
|
ret = jz4760_codec_io_wait(codec); |
|
if (ret) |
|
return ret; |
|
|
|
tmp = readl(codec->base + ICDC_RGADW_OFFSET); |
|
tmp &= ~ICDC_RGADW_RGADDR_MASK; |
|
tmp |= FIELD_PREP(ICDC_RGADW_RGADDR_MASK, reg); |
|
writel(tmp, codec->base + ICDC_RGADW_OFFSET); |
|
|
|
/* wait 6+ cycles */ |
|
for (i = 0; i < 6; i++) |
|
*val = readl(codec->base + ICDC_RGDATA_OFFSET) & |
|
ICDC_RGDATA_RGDOUT_MASK; |
|
|
|
return 0; |
|
} |
|
|
|
static int jz4760_codec_reg_write(void *context, unsigned int reg, |
|
unsigned int val) |
|
{ |
|
struct jz_codec *codec = context; |
|
int ret; |
|
|
|
ret = jz4760_codec_io_wait(codec); |
|
if (ret) |
|
return ret; |
|
|
|
writel(ICDC_RGADW_RGWR | FIELD_PREP(ICDC_RGADW_RGADDR_MASK, reg) | val, |
|
codec->base + ICDC_RGADW_OFFSET); |
|
|
|
ret = jz4760_codec_io_wait(codec); |
|
if (ret) |
|
return ret; |
|
|
|
return 0; |
|
} |
|
|
|
static const u8 jz4760_codec_reg_defaults[] = { |
|
0x00, 0xFC, 0x1B, 0x20, 0x00, 0x80, 0x00, 0x00, |
|
0xFF, 0x1F, 0x3F, 0x00, 0x06, 0x06, 0x06, 0x06, |
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x34, 0x07, 0x44, |
|
0x1F, 0x00, 0x00, 0x00 |
|
}; |
|
|
|
static struct regmap_config jz4760_codec_regmap_config = { |
|
.reg_bits = 7, |
|
.val_bits = 8, |
|
|
|
.max_register = JZ4760_CODEC_REG_MIX2, |
|
.volatile_reg = jz4760_codec_volatile, |
|
.writeable_reg = jz4760_codec_writeable, |
|
|
|
.reg_read = jz4760_codec_reg_read, |
|
.reg_write = jz4760_codec_reg_write, |
|
|
|
.reg_defaults_raw = jz4760_codec_reg_defaults, |
|
.num_reg_defaults_raw = ARRAY_SIZE(jz4760_codec_reg_defaults), |
|
.cache_type = REGCACHE_FLAT, |
|
}; |
|
|
|
static int jz4760_codec_probe(struct platform_device *pdev) |
|
{ |
|
struct device *dev = &pdev->dev; |
|
struct jz_codec *codec; |
|
int ret; |
|
|
|
codec = devm_kzalloc(dev, sizeof(*codec), GFP_KERNEL); |
|
if (!codec) |
|
return -ENOMEM; |
|
|
|
codec->dev = dev; |
|
|
|
codec->base = devm_platform_ioremap_resource(pdev, 0); |
|
if (IS_ERR(codec->base)) { |
|
ret = PTR_ERR(codec->base); |
|
dev_err(dev, "Failed to ioremap mmio memory: %d\n", ret); |
|
return ret; |
|
} |
|
|
|
codec->regmap = devm_regmap_init(dev, NULL, codec, |
|
&jz4760_codec_regmap_config); |
|
if (IS_ERR(codec->regmap)) |
|
return PTR_ERR(codec->regmap); |
|
|
|
codec->clk = devm_clk_get(dev, "aic"); |
|
if (IS_ERR(codec->clk)) |
|
return PTR_ERR(codec->clk); |
|
|
|
platform_set_drvdata(pdev, codec); |
|
|
|
ret = devm_snd_soc_register_component(dev, &jz4760_codec_soc_codec_dev, |
|
&jz4760_codec_dai, 1); |
|
if (ret) { |
|
dev_err(dev, "Failed to register codec: %d\n", ret); |
|
return ret; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static const struct of_device_id jz4760_codec_of_matches[] = { |
|
{ .compatible = "ingenic,jz4760-codec", }, |
|
{ /* sentinel */ } |
|
}; |
|
MODULE_DEVICE_TABLE(of, jz4760_codec_of_matches); |
|
|
|
static struct platform_driver jz4760_codec_driver = { |
|
.probe = jz4760_codec_probe, |
|
.driver = { |
|
.name = "jz4760-codec", |
|
.of_match_table = jz4760_codec_of_matches, |
|
}, |
|
}; |
|
module_platform_driver(jz4760_codec_driver); |
|
|
|
MODULE_DESCRIPTION("JZ4760 SoC internal codec driver"); |
|
MODULE_AUTHOR("Christophe Branchereau <[email protected]>"); |
|
MODULE_AUTHOR("Paul Cercueil <[email protected]>"); |
|
MODULE_LICENSE("GPL v2");
|
|
|