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https://github.com/brain-hackers/linux-brain.git
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d4a13e6711
commit 8ba4dc3cff8cbe2c571063a5fd7116e8bde563ca upstream. The xmax values for Master Playback Volume and Mic Boost Capture Volume are specified incorrectly (one greater) which results in the wrong dB gain being shown to the user in the case of Master Playback Volume. Signed-off-by: Pavel Dobias <dobias@2n.cz> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20200515120757.24669-1-dobias@2n.cz Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
555 lines
16 KiB
C
555 lines
16 KiB
C
// SPDX-License-Identifier: GPL-2.0
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//
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// MAX9867 ALSA SoC codec driver
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//
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// Copyright 2013-2015 Maxim Integrated Products
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// Copyright 2018 Ladislav Michl <ladis@linux-mips.org>
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//
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#include <linux/delay.h>
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#include <linux/i2c.h>
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#include <linux/module.h>
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#include <linux/regmap.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include <sound/tlv.h>
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#include "max9867.h"
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static const char *const max9867_spmode[] = {
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"Stereo Diff", "Mono Diff",
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"Stereo Cap", "Mono Cap",
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"Stereo Single", "Mono Single",
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"Stereo Single Fast", "Mono Single Fast"
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};
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static const char *const max9867_filter_text[] = {"IIR", "FIR"};
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static SOC_ENUM_SINGLE_DECL(max9867_filter, MAX9867_CODECFLTR, 7,
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max9867_filter_text);
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static SOC_ENUM_SINGLE_DECL(max9867_spkmode, MAX9867_MODECONFIG, 0,
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max9867_spmode);
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static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(max9867_master_tlv,
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0, 2, TLV_DB_SCALE_ITEM(-8600, 200, 1),
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3, 17, TLV_DB_SCALE_ITEM(-7800, 400, 0),
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18, 25, TLV_DB_SCALE_ITEM(-2000, 200, 0),
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26, 34, TLV_DB_SCALE_ITEM( -500, 100, 0),
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35, 40, TLV_DB_SCALE_ITEM( 350, 50, 0),
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);
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static DECLARE_TLV_DB_SCALE(max9867_mic_tlv, 0, 100, 0);
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static DECLARE_TLV_DB_SCALE(max9867_line_tlv, -600, 200, 0);
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static DECLARE_TLV_DB_SCALE(max9867_adc_tlv, -1200, 100, 0);
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static DECLARE_TLV_DB_SCALE(max9867_dac_tlv, -1500, 100, 0);
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static DECLARE_TLV_DB_SCALE(max9867_dacboost_tlv, 0, 600, 0);
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static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(max9867_micboost_tlv,
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0, 2, TLV_DB_SCALE_ITEM(-2000, 2000, 1),
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3, 3, TLV_DB_SCALE_ITEM(3000, 0, 0),
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);
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static const struct snd_kcontrol_new max9867_snd_controls[] = {
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SOC_DOUBLE_R_TLV("Master Playback Volume", MAX9867_LEFTVOL,
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MAX9867_RIGHTVOL, 0, 40, 1, max9867_master_tlv),
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SOC_DOUBLE_R_TLV("Line Capture Volume", MAX9867_LEFTLINELVL,
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MAX9867_RIGHTLINELVL, 0, 15, 1, max9867_line_tlv),
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SOC_DOUBLE_R_TLV("Mic Capture Volume", MAX9867_LEFTMICGAIN,
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MAX9867_RIGHTMICGAIN, 0, 20, 1, max9867_mic_tlv),
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SOC_DOUBLE_R_TLV("Mic Boost Capture Volume", MAX9867_LEFTMICGAIN,
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MAX9867_RIGHTMICGAIN, 5, 3, 0, max9867_micboost_tlv),
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SOC_SINGLE("Digital Sidetone Volume", MAX9867_SIDETONE, 0, 31, 1),
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SOC_SINGLE_TLV("Digital Playback Volume", MAX9867_DACLEVEL, 0, 15, 1,
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max9867_dac_tlv),
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SOC_SINGLE_TLV("Digital Boost Playback Volume", MAX9867_DACLEVEL, 4, 3, 0,
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max9867_dacboost_tlv),
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SOC_DOUBLE_TLV("Digital Capture Volume", MAX9867_ADCLEVEL, 0, 4, 15, 1,
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max9867_adc_tlv),
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SOC_ENUM("Speaker Mode", max9867_spkmode),
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SOC_SINGLE("Volume Smoothing Switch", MAX9867_MODECONFIG, 6, 1, 0),
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SOC_SINGLE("Line ZC Switch", MAX9867_MODECONFIG, 5, 1, 0),
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SOC_ENUM("DSP Filter", max9867_filter),
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};
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/* Input mixer */
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static const struct snd_kcontrol_new max9867_input_mixer_controls[] = {
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SOC_DAPM_DOUBLE("Line Capture Switch", MAX9867_INPUTCONFIG, 7, 5, 1, 0),
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SOC_DAPM_DOUBLE("Mic Capture Switch", MAX9867_INPUTCONFIG, 6, 4, 1, 0),
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};
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/* Output mixer */
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static const struct snd_kcontrol_new max9867_output_mixer_controls[] = {
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SOC_DAPM_DOUBLE_R("Line Bypass Switch",
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MAX9867_LEFTLINELVL, MAX9867_RIGHTLINELVL, 6, 1, 1),
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};
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/* Sidetone mixer */
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static const struct snd_kcontrol_new max9867_sidetone_mixer_controls[] = {
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SOC_DAPM_DOUBLE("Sidetone Switch", MAX9867_SIDETONE, 6, 7, 1, 0),
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};
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/* Line out switch */
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static const struct snd_kcontrol_new max9867_line_out_control =
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SOC_DAPM_DOUBLE_R("Switch",
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MAX9867_LEFTVOL, MAX9867_RIGHTVOL, 6, 1, 1);
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static const struct snd_soc_dapm_widget max9867_dapm_widgets[] = {
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SND_SOC_DAPM_INPUT("MICL"),
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SND_SOC_DAPM_INPUT("MICR"),
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SND_SOC_DAPM_INPUT("LINL"),
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SND_SOC_DAPM_INPUT("LINR"),
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SND_SOC_DAPM_PGA("Left Line Input", MAX9867_PWRMAN, 6, 0, NULL, 0),
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SND_SOC_DAPM_PGA("Right Line Input", MAX9867_PWRMAN, 5, 0, NULL, 0),
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SND_SOC_DAPM_MIXER_NAMED_CTL("Input Mixer", SND_SOC_NOPM, 0, 0,
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max9867_input_mixer_controls,
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ARRAY_SIZE(max9867_input_mixer_controls)),
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SND_SOC_DAPM_ADC("ADCL", "HiFi Capture", MAX9867_PWRMAN, 1, 0),
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SND_SOC_DAPM_ADC("ADCR", "HiFi Capture", MAX9867_PWRMAN, 0, 0),
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SND_SOC_DAPM_MIXER("Digital", SND_SOC_NOPM, 0, 0,
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max9867_sidetone_mixer_controls,
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ARRAY_SIZE(max9867_sidetone_mixer_controls)),
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SND_SOC_DAPM_MIXER_NAMED_CTL("Output Mixer", SND_SOC_NOPM, 0, 0,
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max9867_output_mixer_controls,
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ARRAY_SIZE(max9867_output_mixer_controls)),
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SND_SOC_DAPM_DAC("DACL", "HiFi Playback", MAX9867_PWRMAN, 3, 0),
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SND_SOC_DAPM_DAC("DACR", "HiFi Playback", MAX9867_PWRMAN, 2, 0),
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SND_SOC_DAPM_SWITCH("Master Playback", SND_SOC_NOPM, 0, 0,
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&max9867_line_out_control),
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SND_SOC_DAPM_OUTPUT("LOUT"),
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SND_SOC_DAPM_OUTPUT("ROUT"),
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};
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static const struct snd_soc_dapm_route max9867_audio_map[] = {
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{"Left Line Input", NULL, "LINL"},
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{"Right Line Input", NULL, "LINR"},
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{"Input Mixer", "Mic Capture Switch", "MICL"},
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{"Input Mixer", "Mic Capture Switch", "MICR"},
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{"Input Mixer", "Line Capture Switch", "Left Line Input"},
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{"Input Mixer", "Line Capture Switch", "Right Line Input"},
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{"ADCL", NULL, "Input Mixer"},
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{"ADCR", NULL, "Input Mixer"},
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{"Digital", "Sidetone Switch", "ADCL"},
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{"Digital", "Sidetone Switch", "ADCR"},
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{"DACL", NULL, "Digital"},
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{"DACR", NULL, "Digital"},
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{"Output Mixer", "Line Bypass Switch", "Left Line Input"},
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{"Output Mixer", "Line Bypass Switch", "Right Line Input"},
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{"Output Mixer", NULL, "DACL"},
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{"Output Mixer", NULL, "DACR"},
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{"Master Playback", "Switch", "Output Mixer"},
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{"LOUT", NULL, "Master Playback"},
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{"ROUT", NULL, "Master Playback"},
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};
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static const unsigned int max9867_rates_44k1[] = {
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11025, 22050, 44100,
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};
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static const struct snd_pcm_hw_constraint_list max9867_constraints_44k1 = {
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.list = max9867_rates_44k1,
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.count = ARRAY_SIZE(max9867_rates_44k1),
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};
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static const unsigned int max9867_rates_48k[] = {
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8000, 16000, 32000, 48000,
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};
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static const struct snd_pcm_hw_constraint_list max9867_constraints_48k = {
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.list = max9867_rates_48k,
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.count = ARRAY_SIZE(max9867_rates_48k),
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};
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struct max9867_priv {
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struct regmap *regmap;
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const struct snd_pcm_hw_constraint_list *constraints;
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unsigned int sysclk, pclk;
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bool master, dsp_a;
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};
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static int max9867_startup(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai)
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{
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struct max9867_priv *max9867 =
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snd_soc_component_get_drvdata(dai->component);
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if (max9867->constraints)
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snd_pcm_hw_constraint_list(substream->runtime, 0,
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SNDRV_PCM_HW_PARAM_RATE, max9867->constraints);
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return 0;
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}
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static int max9867_dai_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
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{
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int value;
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unsigned long int rate, ratio;
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struct snd_soc_component *component = dai->component;
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struct max9867_priv *max9867 = snd_soc_component_get_drvdata(component);
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unsigned int ni = DIV_ROUND_CLOSEST_ULL(96ULL * 0x10000 * params_rate(params),
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max9867->pclk);
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/* set up the ni value */
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regmap_update_bits(max9867->regmap, MAX9867_AUDIOCLKHIGH,
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MAX9867_NI_HIGH_MASK, (0xFF00 & ni) >> 8);
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regmap_update_bits(max9867->regmap, MAX9867_AUDIOCLKLOW,
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MAX9867_NI_LOW_MASK, 0x00FF & ni);
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if (max9867->master) {
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if (max9867->dsp_a) {
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value = MAX9867_IFC1B_48X;
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} else {
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rate = params_rate(params) * 2 * params_width(params);
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ratio = max9867->pclk / rate;
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switch (params_width(params)) {
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case 8:
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case 16:
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switch (ratio) {
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case 2:
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value = MAX9867_IFC1B_PCLK_2;
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break;
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case 4:
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value = MAX9867_IFC1B_PCLK_4;
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break;
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case 8:
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value = MAX9867_IFC1B_PCLK_8;
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break;
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case 16:
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value = MAX9867_IFC1B_PCLK_16;
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break;
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default:
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return -EINVAL;
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}
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break;
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case 24:
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value = MAX9867_IFC1B_48X;
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break;
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case 32:
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value = MAX9867_IFC1B_64X;
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break;
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default:
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return -EINVAL;
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}
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}
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regmap_update_bits(max9867->regmap, MAX9867_IFC1B,
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MAX9867_IFC1B_BCLK_MASK, value);
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} else {
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/*
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* digital pll locks on to any externally supplied LRCLK signal
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* and also enable rapid lock mode.
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*/
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regmap_update_bits(max9867->regmap, MAX9867_AUDIOCLKLOW,
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MAX9867_RAPID_LOCK, MAX9867_RAPID_LOCK);
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regmap_update_bits(max9867->regmap, MAX9867_AUDIOCLKHIGH,
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MAX9867_PLL, MAX9867_PLL);
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}
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return 0;
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}
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static int max9867_mute(struct snd_soc_dai *dai, int mute)
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{
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struct snd_soc_component *component = dai->component;
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struct max9867_priv *max9867 = snd_soc_component_get_drvdata(component);
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return regmap_update_bits(max9867->regmap, MAX9867_DACLEVEL,
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1 << 6, !!mute << 6);
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}
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static int max9867_set_dai_sysclk(struct snd_soc_dai *codec_dai,
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int clk_id, unsigned int freq, int dir)
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{
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struct snd_soc_component *component = codec_dai->component;
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struct max9867_priv *max9867 = snd_soc_component_get_drvdata(component);
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int value = 0;
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/* Set the prescaler based on the master clock frequency*/
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if (freq >= 10000000 && freq <= 20000000) {
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value |= MAX9867_PSCLK_10_20;
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max9867->pclk = freq;
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} else if (freq >= 20000000 && freq <= 40000000) {
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value |= MAX9867_PSCLK_20_40;
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max9867->pclk = freq / 2;
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} else if (freq >= 40000000 && freq <= 60000000) {
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value |= MAX9867_PSCLK_40_60;
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max9867->pclk = freq / 4;
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} else {
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dev_err(component->dev,
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"Invalid clock frequency %uHz (required 10-60MHz)\n",
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freq);
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return -EINVAL;
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}
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if (freq % 48000 == 0)
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max9867->constraints = &max9867_constraints_48k;
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else if (freq % 44100 == 0)
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max9867->constraints = &max9867_constraints_44k1;
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else
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dev_warn(component->dev,
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"Unable to set exact rate with %uHz clock frequency\n",
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freq);
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max9867->sysclk = freq;
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value = value << MAX9867_PSCLK_SHIFT;
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/* exact integer mode is not supported */
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value &= ~MAX9867_FREQ_MASK;
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regmap_update_bits(max9867->regmap, MAX9867_SYSCLK,
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MAX9867_PSCLK_MASK, value);
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return 0;
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}
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static int max9867_dai_set_fmt(struct snd_soc_dai *codec_dai,
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unsigned int fmt)
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{
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struct snd_soc_component *component = codec_dai->component;
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struct max9867_priv *max9867 = snd_soc_component_get_drvdata(component);
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u8 iface1A, iface1B;
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switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
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case SND_SOC_DAIFMT_CBM_CFM:
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max9867->master = true;
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iface1A = MAX9867_MASTER;
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iface1B = MAX9867_IFC1B_48X;
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break;
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case SND_SOC_DAIFMT_CBS_CFS:
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max9867->master = false;
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iface1A = iface1B = 0;
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break;
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default:
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return -EINVAL;
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}
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switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
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case SND_SOC_DAIFMT_I2S:
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max9867->dsp_a = false;
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iface1A |= MAX9867_I2S_DLY;
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break;
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case SND_SOC_DAIFMT_DSP_A:
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max9867->dsp_a = true;
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iface1A |= MAX9867_TDM_MODE | MAX9867_SDOUT_HIZ;
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break;
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default:
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return -EINVAL;
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}
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/* Clock inversion bits, BCI and WCI */
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switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
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case SND_SOC_DAIFMT_NB_NF:
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break;
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case SND_SOC_DAIFMT_IB_IF:
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iface1A |= MAX9867_WCI_MODE | MAX9867_BCI_MODE;
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break;
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case SND_SOC_DAIFMT_IB_NF:
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iface1A |= MAX9867_BCI_MODE;
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break;
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case SND_SOC_DAIFMT_NB_IF:
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iface1A |= MAX9867_WCI_MODE;
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break;
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default:
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return -EINVAL;
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}
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regmap_write(max9867->regmap, MAX9867_IFC1A, iface1A);
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regmap_write(max9867->regmap, MAX9867_IFC1B, iface1B);
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return 0;
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}
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static const struct snd_soc_dai_ops max9867_dai_ops = {
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.set_sysclk = max9867_set_dai_sysclk,
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.set_fmt = max9867_dai_set_fmt,
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.digital_mute = max9867_mute,
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.startup = max9867_startup,
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.hw_params = max9867_dai_hw_params,
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};
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static struct snd_soc_dai_driver max9867_dai[] = {
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{
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.name = "max9867-aif1",
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.playback = {
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.stream_name = "HiFi Playback",
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.channels_min = 2,
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.channels_max = 2,
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.rates = SNDRV_PCM_RATE_8000_48000,
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.formats = SNDRV_PCM_FMTBIT_S16_LE,
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},
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.capture = {
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.stream_name = "HiFi Capture",
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.channels_min = 2,
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.channels_max = 2,
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.rates = SNDRV_PCM_RATE_8000_48000,
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.formats = SNDRV_PCM_FMTBIT_S16_LE,
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},
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.ops = &max9867_dai_ops,
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.symmetric_rates = 1,
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}
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};
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#ifdef CONFIG_PM
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static int max9867_suspend(struct snd_soc_component *component)
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{
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snd_soc_component_force_bias_level(component, SND_SOC_BIAS_OFF);
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return 0;
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}
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static int max9867_resume(struct snd_soc_component *component)
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{
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snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY);
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return 0;
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}
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#else
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#define max9867_suspend NULL
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#define max9867_resume NULL
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#endif
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static int max9867_set_bias_level(struct snd_soc_component *component,
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enum snd_soc_bias_level level)
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{
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int err;
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struct max9867_priv *max9867 = snd_soc_component_get_drvdata(component);
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switch (level) {
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case SND_SOC_BIAS_STANDBY:
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if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
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err = regcache_sync(max9867->regmap);
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if (err)
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return err;
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err = regmap_update_bits(max9867->regmap, MAX9867_PWRMAN,
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MAX9867_SHTDOWN, MAX9867_SHTDOWN);
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if (err)
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return err;
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}
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break;
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case SND_SOC_BIAS_OFF:
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err = regmap_update_bits(max9867->regmap, MAX9867_PWRMAN,
|
|
MAX9867_SHTDOWN, 0);
|
|
if (err)
|
|
return err;
|
|
|
|
regcache_mark_dirty(max9867->regmap);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct snd_soc_component_driver max9867_component = {
|
|
.controls = max9867_snd_controls,
|
|
.num_controls = ARRAY_SIZE(max9867_snd_controls),
|
|
.dapm_routes = max9867_audio_map,
|
|
.num_dapm_routes = ARRAY_SIZE(max9867_audio_map),
|
|
.dapm_widgets = max9867_dapm_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(max9867_dapm_widgets),
|
|
.suspend = max9867_suspend,
|
|
.resume = max9867_resume,
|
|
.set_bias_level = max9867_set_bias_level,
|
|
.idle_bias_on = 1,
|
|
.use_pmdown_time = 1,
|
|
.endianness = 1,
|
|
.non_legacy_dai_naming = 1,
|
|
};
|
|
|
|
static bool max9867_volatile_register(struct device *dev, unsigned int reg)
|
|
{
|
|
switch (reg) {
|
|
case MAX9867_STATUS:
|
|
case MAX9867_JACKSTATUS:
|
|
case MAX9867_AUXHIGH:
|
|
case MAX9867_AUXLOW:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
static const struct reg_default max9867_reg[] = {
|
|
{ 0x04, 0x00 },
|
|
{ 0x05, 0x00 },
|
|
{ 0x06, 0x00 },
|
|
{ 0x07, 0x00 },
|
|
{ 0x08, 0x00 },
|
|
{ 0x09, 0x00 },
|
|
{ 0x0A, 0x00 },
|
|
{ 0x0B, 0x00 },
|
|
{ 0x0C, 0x00 },
|
|
{ 0x0D, 0x00 },
|
|
{ 0x0E, 0x40 },
|
|
{ 0x0F, 0x40 },
|
|
{ 0x10, 0x00 },
|
|
{ 0x11, 0x00 },
|
|
{ 0x12, 0x00 },
|
|
{ 0x13, 0x00 },
|
|
{ 0x14, 0x00 },
|
|
{ 0x15, 0x00 },
|
|
{ 0x16, 0x00 },
|
|
{ 0x17, 0x00 },
|
|
};
|
|
|
|
static const struct regmap_config max9867_regmap = {
|
|
.reg_bits = 8,
|
|
.val_bits = 8,
|
|
.max_register = MAX9867_REVISION,
|
|
.reg_defaults = max9867_reg,
|
|
.num_reg_defaults = ARRAY_SIZE(max9867_reg),
|
|
.volatile_reg = max9867_volatile_register,
|
|
.cache_type = REGCACHE_RBTREE,
|
|
};
|
|
|
|
static int max9867_i2c_probe(struct i2c_client *i2c,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
struct max9867_priv *max9867;
|
|
int ret, reg;
|
|
|
|
max9867 = devm_kzalloc(&i2c->dev, sizeof(*max9867), GFP_KERNEL);
|
|
if (!max9867)
|
|
return -ENOMEM;
|
|
|
|
i2c_set_clientdata(i2c, max9867);
|
|
max9867->regmap = devm_regmap_init_i2c(i2c, &max9867_regmap);
|
|
if (IS_ERR(max9867->regmap)) {
|
|
ret = PTR_ERR(max9867->regmap);
|
|
dev_err(&i2c->dev, "Failed to allocate regmap: %d\n", ret);
|
|
return ret;
|
|
}
|
|
ret = regmap_read(max9867->regmap, MAX9867_REVISION, ®);
|
|
if (ret < 0) {
|
|
dev_err(&i2c->dev, "Failed to read: %d\n", ret);
|
|
return ret;
|
|
}
|
|
dev_info(&i2c->dev, "device revision: %x\n", reg);
|
|
ret = devm_snd_soc_register_component(&i2c->dev, &max9867_component,
|
|
max9867_dai, ARRAY_SIZE(max9867_dai));
|
|
if (ret < 0)
|
|
dev_err(&i2c->dev, "Failed to register component: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
static const struct i2c_device_id max9867_i2c_id[] = {
|
|
{ "max9867", 0 },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(i2c, max9867_i2c_id);
|
|
|
|
static const struct of_device_id max9867_of_match[] = {
|
|
{ .compatible = "maxim,max9867", },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(of, max9867_of_match);
|
|
|
|
static struct i2c_driver max9867_i2c_driver = {
|
|
.driver = {
|
|
.name = "max9867",
|
|
.of_match_table = of_match_ptr(max9867_of_match),
|
|
},
|
|
.probe = max9867_i2c_probe,
|
|
.id_table = max9867_i2c_id,
|
|
};
|
|
|
|
module_i2c_driver(max9867_i2c_driver);
|
|
|
|
MODULE_AUTHOR("Ladislav Michl <ladis@linux-mips.org>");
|
|
MODULE_DESCRIPTION("ASoC MAX9867 driver");
|
|
MODULE_LICENSE("GPL");
|