706 lines
20 KiB
C
706 lines
20 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Texas Instruments PCM186x Universal Audio ADC
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*
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* Copyright (C) 2015-2017 Texas Instruments Incorporated - https://www.ti.com
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* Andreas Dannenberg <dannenberg@ti.com>
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* Andrew F. Davis <afd@ti.com>
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*/
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/pm.h>
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#include <linux/pm_runtime.h>
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#include <linux/regulator/consumer.h>
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#include <linux/regmap.h>
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#include <linux/slab.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 <sound/initval.h>
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#include <sound/tlv.h>
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#include "pcm186x.h"
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static const char * const pcm186x_supply_names[] = {
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"avdd", /* Analog power supply. Connect to 3.3-V supply. */
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"dvdd", /* Digital power supply. Connect to 3.3-V supply. */
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"iovdd", /* I/O power supply. Connect to 3.3-V or 1.8-V. */
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};
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#define PCM186x_NUM_SUPPLIES ARRAY_SIZE(pcm186x_supply_names)
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struct pcm186x_priv {
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struct regmap *regmap;
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struct regulator_bulk_data supplies[PCM186x_NUM_SUPPLIES];
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unsigned int sysclk;
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unsigned int tdm_offset;
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bool is_tdm_mode;
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bool is_provider_mode;
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};
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static const DECLARE_TLV_DB_SCALE(pcm186x_pga_tlv, -1200, 50, 0);
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static const struct snd_kcontrol_new pcm1863_snd_controls[] = {
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SOC_DOUBLE_R_S_TLV("ADC Capture Volume", PCM186X_PGA_VAL_CH1_L,
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PCM186X_PGA_VAL_CH1_R, 0, -24, 80, 7, 0,
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pcm186x_pga_tlv),
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};
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static const struct snd_kcontrol_new pcm1865_snd_controls[] = {
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SOC_DOUBLE_R_S_TLV("ADC1 Capture Volume", PCM186X_PGA_VAL_CH1_L,
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PCM186X_PGA_VAL_CH1_R, 0, -24, 80, 7, 0,
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pcm186x_pga_tlv),
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SOC_DOUBLE_R_S_TLV("ADC2 Capture Volume", PCM186X_PGA_VAL_CH2_L,
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PCM186X_PGA_VAL_CH2_R, 0, -24, 80, 7, 0,
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pcm186x_pga_tlv),
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};
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static const unsigned int pcm186x_adc_input_channel_sel_value[] = {
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0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
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0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
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0x10, 0x20, 0x30
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};
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static const char * const pcm186x_adcl_input_channel_sel_text[] = {
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"No Select",
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"VINL1[SE]", /* Default for ADC1L */
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"VINL2[SE]", /* Default for ADC2L */
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"VINL2[SE] + VINL1[SE]",
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"VINL3[SE]",
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"VINL3[SE] + VINL1[SE]",
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"VINL3[SE] + VINL2[SE]",
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"VINL3[SE] + VINL2[SE] + VINL1[SE]",
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"VINL4[SE]",
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"VINL4[SE] + VINL1[SE]",
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"VINL4[SE] + VINL2[SE]",
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"VINL4[SE] + VINL2[SE] + VINL1[SE]",
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"VINL4[SE] + VINL3[SE]",
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"VINL4[SE] + VINL3[SE] + VINL1[SE]",
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"VINL4[SE] + VINL3[SE] + VINL2[SE]",
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"VINL4[SE] + VINL3[SE] + VINL2[SE] + VINL1[SE]",
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"{VIN1P, VIN1M}[DIFF]",
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"{VIN4P, VIN4M}[DIFF]",
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"{VIN1P, VIN1M}[DIFF] + {VIN4P, VIN4M}[DIFF]"
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};
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static const char * const pcm186x_adcr_input_channel_sel_text[] = {
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"No Select",
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"VINR1[SE]", /* Default for ADC1R */
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"VINR2[SE]", /* Default for ADC2R */
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"VINR2[SE] + VINR1[SE]",
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"VINR3[SE]",
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"VINR3[SE] + VINR1[SE]",
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"VINR3[SE] + VINR2[SE]",
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"VINR3[SE] + VINR2[SE] + VINR1[SE]",
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"VINR4[SE]",
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"VINR4[SE] + VINR1[SE]",
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"VINR4[SE] + VINR2[SE]",
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"VINR4[SE] + VINR2[SE] + VINR1[SE]",
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"VINR4[SE] + VINR3[SE]",
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"VINR4[SE] + VINR3[SE] + VINR1[SE]",
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"VINR4[SE] + VINR3[SE] + VINR2[SE]",
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"VINR4[SE] + VINR3[SE] + VINR2[SE] + VINR1[SE]",
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"{VIN2P, VIN2M}[DIFF]",
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"{VIN3P, VIN3M}[DIFF]",
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"{VIN2P, VIN2M}[DIFF] + {VIN3P, VIN3M}[DIFF]"
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};
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static const struct soc_enum pcm186x_adc_input_channel_sel[] = {
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SOC_VALUE_ENUM_SINGLE(PCM186X_ADC1_INPUT_SEL_L, 0,
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PCM186X_ADC_INPUT_SEL_MASK,
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ARRAY_SIZE(pcm186x_adcl_input_channel_sel_text),
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pcm186x_adcl_input_channel_sel_text,
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pcm186x_adc_input_channel_sel_value),
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SOC_VALUE_ENUM_SINGLE(PCM186X_ADC1_INPUT_SEL_R, 0,
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PCM186X_ADC_INPUT_SEL_MASK,
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ARRAY_SIZE(pcm186x_adcr_input_channel_sel_text),
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pcm186x_adcr_input_channel_sel_text,
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pcm186x_adc_input_channel_sel_value),
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SOC_VALUE_ENUM_SINGLE(PCM186X_ADC2_INPUT_SEL_L, 0,
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PCM186X_ADC_INPUT_SEL_MASK,
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ARRAY_SIZE(pcm186x_adcl_input_channel_sel_text),
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pcm186x_adcl_input_channel_sel_text,
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pcm186x_adc_input_channel_sel_value),
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SOC_VALUE_ENUM_SINGLE(PCM186X_ADC2_INPUT_SEL_R, 0,
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PCM186X_ADC_INPUT_SEL_MASK,
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ARRAY_SIZE(pcm186x_adcr_input_channel_sel_text),
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pcm186x_adcr_input_channel_sel_text,
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pcm186x_adc_input_channel_sel_value),
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};
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static const struct snd_kcontrol_new pcm186x_adc_mux_controls[] = {
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SOC_DAPM_ENUM("ADC1 Left Input", pcm186x_adc_input_channel_sel[0]),
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SOC_DAPM_ENUM("ADC1 Right Input", pcm186x_adc_input_channel_sel[1]),
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SOC_DAPM_ENUM("ADC2 Left Input", pcm186x_adc_input_channel_sel[2]),
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SOC_DAPM_ENUM("ADC2 Right Input", pcm186x_adc_input_channel_sel[3]),
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};
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static const struct snd_soc_dapm_widget pcm1863_dapm_widgets[] = {
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SND_SOC_DAPM_INPUT("VINL1"),
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SND_SOC_DAPM_INPUT("VINR1"),
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SND_SOC_DAPM_INPUT("VINL2"),
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SND_SOC_DAPM_INPUT("VINR2"),
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SND_SOC_DAPM_INPUT("VINL3"),
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SND_SOC_DAPM_INPUT("VINR3"),
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SND_SOC_DAPM_INPUT("VINL4"),
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SND_SOC_DAPM_INPUT("VINR4"),
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SND_SOC_DAPM_MUX("ADC Left Capture Source", SND_SOC_NOPM, 0, 0,
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&pcm186x_adc_mux_controls[0]),
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SND_SOC_DAPM_MUX("ADC Right Capture Source", SND_SOC_NOPM, 0, 0,
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&pcm186x_adc_mux_controls[1]),
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/*
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* Put the codec into SLEEP mode when not in use, allowing the
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* Energysense mechanism to operate.
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*/
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SND_SOC_DAPM_ADC("ADC", "HiFi Capture", PCM186X_POWER_CTRL, 1, 1),
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};
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static const struct snd_soc_dapm_widget pcm1865_dapm_widgets[] = {
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SND_SOC_DAPM_INPUT("VINL1"),
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SND_SOC_DAPM_INPUT("VINR1"),
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SND_SOC_DAPM_INPUT("VINL2"),
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SND_SOC_DAPM_INPUT("VINR2"),
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SND_SOC_DAPM_INPUT("VINL3"),
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SND_SOC_DAPM_INPUT("VINR3"),
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SND_SOC_DAPM_INPUT("VINL4"),
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SND_SOC_DAPM_INPUT("VINR4"),
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SND_SOC_DAPM_MUX("ADC1 Left Capture Source", SND_SOC_NOPM, 0, 0,
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&pcm186x_adc_mux_controls[0]),
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SND_SOC_DAPM_MUX("ADC1 Right Capture Source", SND_SOC_NOPM, 0, 0,
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&pcm186x_adc_mux_controls[1]),
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SND_SOC_DAPM_MUX("ADC2 Left Capture Source", SND_SOC_NOPM, 0, 0,
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&pcm186x_adc_mux_controls[2]),
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SND_SOC_DAPM_MUX("ADC2 Right Capture Source", SND_SOC_NOPM, 0, 0,
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&pcm186x_adc_mux_controls[3]),
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/*
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* Put the codec into SLEEP mode when not in use, allowing the
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* Energysense mechanism to operate.
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*/
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SND_SOC_DAPM_ADC("ADC1", "HiFi Capture 1", PCM186X_POWER_CTRL, 1, 1),
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SND_SOC_DAPM_ADC("ADC2", "HiFi Capture 2", PCM186X_POWER_CTRL, 1, 1),
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};
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static const struct snd_soc_dapm_route pcm1863_dapm_routes[] = {
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{ "ADC Left Capture Source", NULL, "VINL1" },
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{ "ADC Left Capture Source", NULL, "VINR1" },
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{ "ADC Left Capture Source", NULL, "VINL2" },
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{ "ADC Left Capture Source", NULL, "VINR2" },
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{ "ADC Left Capture Source", NULL, "VINL3" },
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{ "ADC Left Capture Source", NULL, "VINR3" },
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{ "ADC Left Capture Source", NULL, "VINL4" },
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{ "ADC Left Capture Source", NULL, "VINR4" },
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{ "ADC", NULL, "ADC Left Capture Source" },
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{ "ADC Right Capture Source", NULL, "VINL1" },
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{ "ADC Right Capture Source", NULL, "VINR1" },
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{ "ADC Right Capture Source", NULL, "VINL2" },
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{ "ADC Right Capture Source", NULL, "VINR2" },
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{ "ADC Right Capture Source", NULL, "VINL3" },
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{ "ADC Right Capture Source", NULL, "VINR3" },
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{ "ADC Right Capture Source", NULL, "VINL4" },
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{ "ADC Right Capture Source", NULL, "VINR4" },
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{ "ADC", NULL, "ADC Right Capture Source" },
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};
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static const struct snd_soc_dapm_route pcm1865_dapm_routes[] = {
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{ "ADC1 Left Capture Source", NULL, "VINL1" },
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{ "ADC1 Left Capture Source", NULL, "VINR1" },
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{ "ADC1 Left Capture Source", NULL, "VINL2" },
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{ "ADC1 Left Capture Source", NULL, "VINR2" },
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{ "ADC1 Left Capture Source", NULL, "VINL3" },
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{ "ADC1 Left Capture Source", NULL, "VINR3" },
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{ "ADC1 Left Capture Source", NULL, "VINL4" },
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{ "ADC1 Left Capture Source", NULL, "VINR4" },
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{ "ADC1", NULL, "ADC1 Left Capture Source" },
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{ "ADC1 Right Capture Source", NULL, "VINL1" },
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{ "ADC1 Right Capture Source", NULL, "VINR1" },
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{ "ADC1 Right Capture Source", NULL, "VINL2" },
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{ "ADC1 Right Capture Source", NULL, "VINR2" },
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{ "ADC1 Right Capture Source", NULL, "VINL3" },
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{ "ADC1 Right Capture Source", NULL, "VINR3" },
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{ "ADC1 Right Capture Source", NULL, "VINL4" },
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{ "ADC1 Right Capture Source", NULL, "VINR4" },
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{ "ADC1", NULL, "ADC1 Right Capture Source" },
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{ "ADC2 Left Capture Source", NULL, "VINL1" },
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{ "ADC2 Left Capture Source", NULL, "VINR1" },
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{ "ADC2 Left Capture Source", NULL, "VINL2" },
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{ "ADC2 Left Capture Source", NULL, "VINR2" },
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{ "ADC2 Left Capture Source", NULL, "VINL3" },
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{ "ADC2 Left Capture Source", NULL, "VINR3" },
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{ "ADC2 Left Capture Source", NULL, "VINL4" },
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{ "ADC2 Left Capture Source", NULL, "VINR4" },
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{ "ADC2", NULL, "ADC2 Left Capture Source" },
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{ "ADC2 Right Capture Source", NULL, "VINL1" },
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{ "ADC2 Right Capture Source", NULL, "VINR1" },
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{ "ADC2 Right Capture Source", NULL, "VINL2" },
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{ "ADC2 Right Capture Source", NULL, "VINR2" },
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{ "ADC2 Right Capture Source", NULL, "VINL3" },
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{ "ADC2 Right Capture Source", NULL, "VINR3" },
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{ "ADC2 Right Capture Source", NULL, "VINL4" },
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{ "ADC2 Right Capture Source", NULL, "VINR4" },
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{ "ADC2", NULL, "ADC2 Right Capture Source" },
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};
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static int pcm186x_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params,
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struct snd_soc_dai *dai)
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{
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struct snd_soc_component *component = dai->component;
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struct pcm186x_priv *priv = snd_soc_component_get_drvdata(component);
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unsigned int rate = params_rate(params);
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snd_pcm_format_t format = params_format(params);
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unsigned int width = params_width(params);
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unsigned int channels = params_channels(params);
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unsigned int div_lrck;
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unsigned int div_bck;
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u8 tdm_tx_sel = 0;
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u8 pcm_cfg = 0;
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dev_dbg(component->dev, "%s() rate=%u format=0x%x width=%u channels=%u\n",
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__func__, rate, format, width, channels);
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switch (width) {
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case 16:
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pcm_cfg = PCM186X_PCM_CFG_RX_WLEN_16 <<
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PCM186X_PCM_CFG_RX_WLEN_SHIFT |
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PCM186X_PCM_CFG_TX_WLEN_16 <<
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PCM186X_PCM_CFG_TX_WLEN_SHIFT;
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break;
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case 20:
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pcm_cfg = PCM186X_PCM_CFG_RX_WLEN_20 <<
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PCM186X_PCM_CFG_RX_WLEN_SHIFT |
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PCM186X_PCM_CFG_TX_WLEN_20 <<
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PCM186X_PCM_CFG_TX_WLEN_SHIFT;
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break;
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case 24:
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pcm_cfg = PCM186X_PCM_CFG_RX_WLEN_24 <<
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|
|
PCM186X_PCM_CFG_RX_WLEN_SHIFT |
|
||
|
|
PCM186X_PCM_CFG_TX_WLEN_24 <<
|
||
|
|
PCM186X_PCM_CFG_TX_WLEN_SHIFT;
|
||
|
|
break;
|
||
|
|
case 32:
|
||
|
|
pcm_cfg = PCM186X_PCM_CFG_RX_WLEN_32 <<
|
||
|
|
PCM186X_PCM_CFG_RX_WLEN_SHIFT |
|
||
|
|
PCM186X_PCM_CFG_TX_WLEN_32 <<
|
||
|
|
PCM186X_PCM_CFG_TX_WLEN_SHIFT;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
snd_soc_component_update_bits(component, PCM186X_PCM_CFG,
|
||
|
|
PCM186X_PCM_CFG_RX_WLEN_MASK |
|
||
|
|
PCM186X_PCM_CFG_TX_WLEN_MASK,
|
||
|
|
pcm_cfg);
|
||
|
|
|
||
|
|
div_lrck = width * channels;
|
||
|
|
|
||
|
|
if (priv->is_tdm_mode) {
|
||
|
|
/* Select TDM transmission data */
|
||
|
|
switch (channels) {
|
||
|
|
case 2:
|
||
|
|
tdm_tx_sel = PCM186X_TDM_TX_SEL_2CH;
|
||
|
|
break;
|
||
|
|
case 4:
|
||
|
|
tdm_tx_sel = PCM186X_TDM_TX_SEL_4CH;
|
||
|
|
break;
|
||
|
|
case 6:
|
||
|
|
tdm_tx_sel = PCM186X_TDM_TX_SEL_6CH;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
snd_soc_component_update_bits(component, PCM186X_TDM_TX_SEL,
|
||
|
|
PCM186X_TDM_TX_SEL_MASK, tdm_tx_sel);
|
||
|
|
|
||
|
|
/* In DSP/TDM mode, the LRCLK divider must be 256 */
|
||
|
|
div_lrck = 256;
|
||
|
|
|
||
|
|
/* Configure 1/256 duty cycle for LRCK */
|
||
|
|
snd_soc_component_update_bits(component, PCM186X_PCM_CFG,
|
||
|
|
PCM186X_PCM_CFG_TDM_LRCK_MODE,
|
||
|
|
PCM186X_PCM_CFG_TDM_LRCK_MODE);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Only configure clock dividers in provider mode. */
|
||
|
|
if (priv->is_provider_mode) {
|
||
|
|
div_bck = priv->sysclk / (div_lrck * rate);
|
||
|
|
|
||
|
|
dev_dbg(component->dev,
|
||
|
|
"%s() master_clk=%u div_bck=%u div_lrck=%u\n",
|
||
|
|
__func__, priv->sysclk, div_bck, div_lrck);
|
||
|
|
|
||
|
|
snd_soc_component_write(component, PCM186X_BCK_DIV, div_bck - 1);
|
||
|
|
snd_soc_component_write(component, PCM186X_LRK_DIV, div_lrck - 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int pcm186x_set_fmt(struct snd_soc_dai *dai, unsigned int format)
|
||
|
|
{
|
||
|
|
struct snd_soc_component *component = dai->component;
|
||
|
|
struct pcm186x_priv *priv = snd_soc_component_get_drvdata(component);
|
||
|
|
u8 clk_ctrl = 0;
|
||
|
|
u8 pcm_cfg = 0;
|
||
|
|
|
||
|
|
dev_dbg(component->dev, "%s() format=0x%x\n", __func__, format);
|
||
|
|
|
||
|
|
switch (format & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
|
||
|
|
case SND_SOC_DAIFMT_CBP_CFP:
|
||
|
|
if (!priv->sysclk) {
|
||
|
|
dev_err(component->dev, "operating in provider mode requires sysclock to be configured\n");
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
clk_ctrl |= PCM186X_CLK_CTRL_MST_MODE;
|
||
|
|
priv->is_provider_mode = true;
|
||
|
|
break;
|
||
|
|
case SND_SOC_DAIFMT_CBC_CFC:
|
||
|
|
priv->is_provider_mode = false;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
dev_err(component->dev, "Invalid DAI master/slave interface\n");
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* set interface polarity */
|
||
|
|
switch (format & SND_SOC_DAIFMT_INV_MASK) {
|
||
|
|
case SND_SOC_DAIFMT_NB_NF:
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
dev_err(component->dev, "Inverted DAI clocks not supported\n");
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* set interface format */
|
||
|
|
switch (format & SND_SOC_DAIFMT_FORMAT_MASK) {
|
||
|
|
case SND_SOC_DAIFMT_I2S:
|
||
|
|
pcm_cfg = PCM186X_PCM_CFG_FMT_I2S;
|
||
|
|
break;
|
||
|
|
case SND_SOC_DAIFMT_LEFT_J:
|
||
|
|
pcm_cfg = PCM186X_PCM_CFG_FMT_LEFTJ;
|
||
|
|
break;
|
||
|
|
case SND_SOC_DAIFMT_DSP_A:
|
||
|
|
priv->tdm_offset += 1;
|
||
|
|
fallthrough;
|
||
|
|
/* DSP_A uses the same basic config as DSP_B
|
||
|
|
* except we need to shift the TDM output by one BCK cycle
|
||
|
|
*/
|
||
|
|
case SND_SOC_DAIFMT_DSP_B:
|
||
|
|
priv->is_tdm_mode = true;
|
||
|
|
pcm_cfg = PCM186X_PCM_CFG_FMT_TDM;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
dev_err(component->dev, "Invalid DAI format\n");
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
snd_soc_component_update_bits(component, PCM186X_CLK_CTRL,
|
||
|
|
PCM186X_CLK_CTRL_MST_MODE, clk_ctrl);
|
||
|
|
|
||
|
|
snd_soc_component_write(component, PCM186X_TDM_TX_OFFSET, priv->tdm_offset);
|
||
|
|
|
||
|
|
snd_soc_component_update_bits(component, PCM186X_PCM_CFG,
|
||
|
|
PCM186X_PCM_CFG_FMT_MASK, pcm_cfg);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int pcm186x_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 pcm186x_priv *priv = snd_soc_component_get_drvdata(component);
|
||
|
|
unsigned int first_slot, last_slot, tdm_offset;
|
||
|
|
|
||
|
|
dev_dbg(component->dev,
|
||
|
|
"%s() tx_mask=0x%x rx_mask=0x%x slots=%d slot_width=%d\n",
|
||
|
|
__func__, tx_mask, rx_mask, slots, slot_width);
|
||
|
|
|
||
|
|
if (!tx_mask) {
|
||
|
|
dev_err(component->dev, "tdm tx mask must not be 0\n");
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
first_slot = __ffs(tx_mask);
|
||
|
|
last_slot = __fls(tx_mask);
|
||
|
|
|
||
|
|
if (last_slot - first_slot != hweight32(tx_mask) - 1) {
|
||
|
|
dev_err(component->dev, "tdm tx mask must be contiguous\n");
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
tdm_offset = first_slot * slot_width;
|
||
|
|
|
||
|
|
if (tdm_offset > 255) {
|
||
|
|
dev_err(component->dev, "tdm tx slot selection out of bounds\n");
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
priv->tdm_offset = tdm_offset;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int pcm186x_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
|
||
|
|
unsigned int freq, int dir)
|
||
|
|
{
|
||
|
|
struct snd_soc_component *component = dai->component;
|
||
|
|
struct pcm186x_priv *priv = snd_soc_component_get_drvdata(component);
|
||
|
|
|
||
|
|
dev_dbg(component->dev, "%s() clk_id=%d freq=%u dir=%d\n",
|
||
|
|
__func__, clk_id, freq, dir);
|
||
|
|
|
||
|
|
priv->sysclk = freq;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct snd_soc_dai_ops pcm186x_dai_ops = {
|
||
|
|
.set_sysclk = pcm186x_set_dai_sysclk,
|
||
|
|
.set_tdm_slot = pcm186x_set_tdm_slot,
|
||
|
|
.set_fmt = pcm186x_set_fmt,
|
||
|
|
.hw_params = pcm186x_hw_params,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct snd_soc_dai_driver pcm1863_dai = {
|
||
|
|
.name = "pcm1863-aif",
|
||
|
|
.capture = {
|
||
|
|
.stream_name = "Capture",
|
||
|
|
.channels_min = 1,
|
||
|
|
.channels_max = 2,
|
||
|
|
.rates = PCM186X_RATES,
|
||
|
|
.formats = PCM186X_FORMATS,
|
||
|
|
},
|
||
|
|
.ops = &pcm186x_dai_ops,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct snd_soc_dai_driver pcm1865_dai = {
|
||
|
|
.name = "pcm1865-aif",
|
||
|
|
.capture = {
|
||
|
|
.stream_name = "Capture",
|
||
|
|
.channels_min = 1,
|
||
|
|
.channels_max = 4,
|
||
|
|
.rates = PCM186X_RATES,
|
||
|
|
.formats = PCM186X_FORMATS,
|
||
|
|
},
|
||
|
|
.ops = &pcm186x_dai_ops,
|
||
|
|
};
|
||
|
|
|
||
|
|
static int pcm186x_power_on(struct snd_soc_component *component)
|
||
|
|
{
|
||
|
|
struct pcm186x_priv *priv = snd_soc_component_get_drvdata(component);
|
||
|
|
int ret = 0;
|
||
|
|
|
||
|
|
ret = regulator_bulk_enable(ARRAY_SIZE(priv->supplies),
|
||
|
|
priv->supplies);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
regcache_cache_only(priv->regmap, false);
|
||
|
|
ret = regcache_sync(priv->regmap);
|
||
|
|
if (ret) {
|
||
|
|
dev_err(component->dev, "Failed to restore cache\n");
|
||
|
|
regcache_cache_only(priv->regmap, true);
|
||
|
|
regulator_bulk_disable(ARRAY_SIZE(priv->supplies),
|
||
|
|
priv->supplies);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
snd_soc_component_update_bits(component, PCM186X_POWER_CTRL,
|
||
|
|
PCM186X_PWR_CTRL_PWRDN, 0);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int pcm186x_power_off(struct snd_soc_component *component)
|
||
|
|
{
|
||
|
|
struct pcm186x_priv *priv = snd_soc_component_get_drvdata(component);
|
||
|
|
|
||
|
|
snd_soc_component_update_bits(component, PCM186X_POWER_CTRL,
|
||
|
|
PCM186X_PWR_CTRL_PWRDN, PCM186X_PWR_CTRL_PWRDN);
|
||
|
|
|
||
|
|
regcache_cache_only(priv->regmap, true);
|
||
|
|
|
||
|
|
return regulator_bulk_disable(ARRAY_SIZE(priv->supplies),
|
||
|
|
priv->supplies);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int pcm186x_set_bias_level(struct snd_soc_component *component,
|
||
|
|
enum snd_soc_bias_level level)
|
||
|
|
{
|
||
|
|
dev_dbg(component->dev, "## %s: %d -> %d\n", __func__,
|
||
|
|
snd_soc_component_get_bias_level(component), level);
|
||
|
|
|
||
|
|
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)
|
||
|
|
pcm186x_power_on(component);
|
||
|
|
break;
|
||
|
|
case SND_SOC_BIAS_OFF:
|
||
|
|
pcm186x_power_off(component);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct snd_soc_component_driver soc_codec_dev_pcm1863 = {
|
||
|
|
.set_bias_level = pcm186x_set_bias_level,
|
||
|
|
.controls = pcm1863_snd_controls,
|
||
|
|
.num_controls = ARRAY_SIZE(pcm1863_snd_controls),
|
||
|
|
.dapm_widgets = pcm1863_dapm_widgets,
|
||
|
|
.num_dapm_widgets = ARRAY_SIZE(pcm1863_dapm_widgets),
|
||
|
|
.dapm_routes = pcm1863_dapm_routes,
|
||
|
|
.num_dapm_routes = ARRAY_SIZE(pcm1863_dapm_routes),
|
||
|
|
.idle_bias_on = 1,
|
||
|
|
.use_pmdown_time = 1,
|
||
|
|
.endianness = 1,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct snd_soc_component_driver soc_codec_dev_pcm1865 = {
|
||
|
|
.set_bias_level = pcm186x_set_bias_level,
|
||
|
|
.controls = pcm1865_snd_controls,
|
||
|
|
.num_controls = ARRAY_SIZE(pcm1865_snd_controls),
|
||
|
|
.dapm_widgets = pcm1865_dapm_widgets,
|
||
|
|
.num_dapm_widgets = ARRAY_SIZE(pcm1865_dapm_widgets),
|
||
|
|
.dapm_routes = pcm1865_dapm_routes,
|
||
|
|
.num_dapm_routes = ARRAY_SIZE(pcm1865_dapm_routes),
|
||
|
|
.suspend_bias_off = 1,
|
||
|
|
.idle_bias_on = 1,
|
||
|
|
.use_pmdown_time = 1,
|
||
|
|
.endianness = 1,
|
||
|
|
};
|
||
|
|
|
||
|
|
static bool pcm186x_volatile(struct device *dev, unsigned int reg)
|
||
|
|
{
|
||
|
|
switch (reg) {
|
||
|
|
case PCM186X_PAGE:
|
||
|
|
case PCM186X_DEVICE_STATUS:
|
||
|
|
case PCM186X_FSAMPLE_STATUS:
|
||
|
|
case PCM186X_DIV_STATUS:
|
||
|
|
case PCM186X_CLK_STATUS:
|
||
|
|
case PCM186X_SUPPLY_STATUS:
|
||
|
|
case PCM186X_MMAP_STAT_CTRL:
|
||
|
|
case PCM186X_MMAP_ADDRESS:
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct regmap_range_cfg pcm186x_range = {
|
||
|
|
.name = "Pages",
|
||
|
|
.range_max = PCM186X_MAX_REGISTER,
|
||
|
|
.selector_reg = PCM186X_PAGE,
|
||
|
|
.selector_mask = 0xff,
|
||
|
|
.window_len = PCM186X_PAGE_LEN,
|
||
|
|
};
|
||
|
|
|
||
|
|
const struct regmap_config pcm186x_regmap = {
|
||
|
|
.reg_bits = 8,
|
||
|
|
.val_bits = 8,
|
||
|
|
|
||
|
|
.volatile_reg = pcm186x_volatile,
|
||
|
|
|
||
|
|
.ranges = &pcm186x_range,
|
||
|
|
.num_ranges = 1,
|
||
|
|
|
||
|
|
.max_register = PCM186X_MAX_REGISTER,
|
||
|
|
|
||
|
|
.cache_type = REGCACHE_RBTREE,
|
||
|
|
};
|
||
|
|
EXPORT_SYMBOL_GPL(pcm186x_regmap);
|
||
|
|
|
||
|
|
int pcm186x_probe(struct device *dev, enum pcm186x_type type, int irq,
|
||
|
|
struct regmap *regmap)
|
||
|
|
{
|
||
|
|
struct pcm186x_priv *priv;
|
||
|
|
int i, ret;
|
||
|
|
|
||
|
|
priv = devm_kzalloc(dev, sizeof(struct pcm186x_priv), GFP_KERNEL);
|
||
|
|
if (!priv)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
dev_set_drvdata(dev, priv);
|
||
|
|
priv->regmap = regmap;
|
||
|
|
|
||
|
|
for (i = 0; i < ARRAY_SIZE(priv->supplies); i++)
|
||
|
|
priv->supplies[i].supply = pcm186x_supply_names[i];
|
||
|
|
|
||
|
|
ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(priv->supplies),
|
||
|
|
priv->supplies);
|
||
|
|
if (ret) {
|
||
|
|
dev_err(dev, "failed to request supplies: %d\n", ret);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = regulator_bulk_enable(ARRAY_SIZE(priv->supplies),
|
||
|
|
priv->supplies);
|
||
|
|
if (ret) {
|
||
|
|
dev_err(dev, "failed enable supplies: %d\n", ret);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Reset device registers for a consistent power-on like state */
|
||
|
|
ret = regmap_write(regmap, PCM186X_PAGE, PCM186X_RESET);
|
||
|
|
if (ret) {
|
||
|
|
dev_err(dev, "failed to write device: %d\n", ret);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = regulator_bulk_disable(ARRAY_SIZE(priv->supplies),
|
||
|
|
priv->supplies);
|
||
|
|
if (ret) {
|
||
|
|
dev_err(dev, "failed disable supplies: %d\n", ret);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
switch (type) {
|
||
|
|
case PCM1865:
|
||
|
|
case PCM1864:
|
||
|
|
ret = devm_snd_soc_register_component(dev, &soc_codec_dev_pcm1865,
|
||
|
|
&pcm1865_dai, 1);
|
||
|
|
break;
|
||
|
|
case PCM1863:
|
||
|
|
case PCM1862:
|
||
|
|
default:
|
||
|
|
ret = devm_snd_soc_register_component(dev, &soc_codec_dev_pcm1863,
|
||
|
|
&pcm1863_dai, 1);
|
||
|
|
}
|
||
|
|
if (ret) {
|
||
|
|
dev_err(dev, "failed to register CODEC: %d\n", ret);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
EXPORT_SYMBOL_GPL(pcm186x_probe);
|
||
|
|
|
||
|
|
MODULE_AUTHOR("Andreas Dannenberg <dannenberg@ti.com>");
|
||
|
|
MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>");
|
||
|
|
MODULE_DESCRIPTION("PCM186x Universal Audio ADC driver");
|
||
|
|
MODULE_LICENSE("GPL v2");
|