// SPDX-License-Identifier: GPL-2.0-only
/*
* rt298.c -- RT298 ALSA SoC audio codec driver
*
* Copyright 2015 Realtek Semiconductor Corp.
* Author: Bard Liao <bardliao@realtek.com>
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/dmi.h>
#include <linux/acpi.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include <sound/jack.h>
#include <linux/workqueue.h>
#include <sound/rt298.h>
#include "rl6347a.h"
#include "rt298.h"
#define RT298_VENDOR_ID 0 x10ec0298
struct rt298_priv {
struct reg_default *index_cache;
int index_cache_size;
struct regmap *regmap;
struct snd_soc_component *component;
struct rt298_platform_data pdata;
struct i2c_client *i2c;
struct snd_soc_jack *jack;
struct delayed_work jack_detect_work;
int sys_clk;
int clk_id;
int is_hp_in;
};
static const struct reg_default rt298_index_def[] = {
{ 0 x01, 0 xa5a8 },
{ 0 x02, 0 x8e95 },
{ 0 x03, 0 x0002 },
{ 0 x04, 0 xaf67 },
{ 0 x08, 0 x200f },
{ 0 x09, 0 xd010 },
{ 0 x0a, 0 x0100 },
{ 0 x0b, 0 x0000 },
{ 0 x0d, 0 x2800 },
{ 0 x0f, 0 x0022 },
{ 0 x19, 0 x0217 },
{ 0 x20, 0 x0020 },
{ 0 x33, 0 x0208 },
{ 0 x46, 0 x0300 },
{ 0 x49, 0 x4004 },
{ 0 x4f, 0 x50c9 },
{ 0 x50, 0 x3000 },
{ 0 x63, 0 x1b02 },
{ 0 x67, 0 x1111 },
{ 0 x68, 0 x1016 },
{ 0 x69, 0 x273f },
};
#define INDEX_CACHE_SIZE ARRAY_SIZE(rt298_index_def)
static const struct reg_default rt298_reg[] = {
{ 0 x00170500, 0 x00000400 },
{ 0 x00220000, 0 x00000031 },
{ 0 x00239000, 0 x0000007f },
{ 0 x0023a000, 0 x0000007f },
{ 0 x00270500, 0 x00000400 },
{ 0 x00370500, 0 x00000400 },
{ 0 x00870500, 0 x00000400 },
{ 0 x00920000, 0 x00000031 },
{ 0 x00935000, 0 x000000c3 },
{ 0 x00936000, 0 x000000c3 },
{ 0 x00970500, 0 x00000400 },
{ 0 x00b37000, 0 x00000097 },
{ 0 x00b37200, 0 x00000097 },
{ 0 x00b37300, 0 x00000097 },
{ 0 x00c37000, 0 x00000000 },
{ 0 x00c37100, 0 x00000080 },
{ 0 x01270500, 0 x00000400 },
{ 0 x01370500, 0 x00000400 },
{ 0 x01371f00, 0 x411111f0 },
{ 0 x01439000, 0 x00000080 },
{ 0 x0143a000, 0 x00000080 },
{ 0 x01470700, 0 x00000000 },
{ 0 x01470500, 0 x00000400 },
{ 0 x01470c00, 0 x00000000 },
{ 0 x01470100, 0 x00000000 },
{ 0 x01837000, 0 x00000000 },
{ 0 x01870500, 0 x00000400 },
{ 0 x02050000, 0 x00000000 },
{ 0 x02139000, 0 x00000080 },
{ 0 x0213a000, 0 x00000080 },
{ 0 x02170100, 0 x00000000 },
{ 0 x02170500, 0 x00000400 },
{ 0 x02170700, 0 x00000000 },
{ 0 x02270100, 0 x00000000 },
{ 0 x02370100, 0 x00000000 },
{ 0 x01870700, 0 x00000020 },
{ 0 x00830000, 0 x000000c3 },
{ 0 x00930000, 0 x000000c3 },
{ 0 x01270700, 0 x00000000 },
};
static bool rt298_volatile_register(struct device *dev, unsigned int reg)
{
switch (reg) {
case 0 ... 0 xff:
case RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
case RT298_GET_HP_SENSE:
case RT298_GET_MIC1_SENSE:
case RT298_PROC_COEF:
case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_MIC1, 0 ):
case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_SPK_OUT, 0 ):
case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_HP_OUT, 0 ):
return true ;
default :
return false ;
}
}
static bool rt298_readable_register(struct device *dev, unsigned int reg)
{
switch (reg) {
case 0 ... 0 xff:
case RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
case RT298_GET_HP_SENSE:
case RT298_GET_MIC1_SENSE:
case RT298_SET_AUDIO_POWER:
case RT298_SET_HPO_POWER:
case RT298_SET_SPK_POWER:
case RT298_SET_DMIC1_POWER:
case RT298_SPK_MUX:
case RT298_HPO_MUX:
case RT298_ADC0_MUX:
case RT298_ADC1_MUX:
case RT298_SET_MIC1:
case RT298_SET_PIN_HPO:
case RT298_SET_PIN_SPK:
case RT298_SET_PIN_DMIC1:
case RT298_SPK_EAPD:
case RT298_SET_AMP_GAIN_HPO:
case RT298_SET_DMIC2_DEFAULT:
case RT298_DACL_GAIN:
case RT298_DACR_GAIN:
case RT298_ADCL_GAIN:
case RT298_ADCR_GAIN:
case RT298_MIC_GAIN:
case RT298_SPOL_GAIN:
case RT298_SPOR_GAIN:
case RT298_HPOL_GAIN:
case RT298_HPOR_GAIN:
case RT298_F_DAC_SWITCH:
case RT298_F_RECMIX_SWITCH:
case RT298_REC_MIC_SWITCH:
case RT298_REC_I2S_SWITCH:
case RT298_REC_LINE_SWITCH:
case RT298_REC_BEEP_SWITCH:
case RT298_DAC_FORMAT:
case RT298_ADC_FORMAT:
case RT298_COEF_INDEX:
case RT298_PROC_COEF:
case RT298_SET_AMP_GAIN_ADC_IN1:
case RT298_SET_AMP_GAIN_ADC_IN2:
case RT298_SET_POWER(RT298_DAC_OUT1):
case RT298_SET_POWER(RT298_DAC_OUT2):
case RT298_SET_POWER(RT298_ADC_IN1):
case RT298_SET_POWER(RT298_ADC_IN2):
case RT298_SET_POWER(RT298_DMIC2):
case RT298_SET_POWER(RT298_MIC1):
case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_MIC1, 0 ):
case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_SPK_OUT, 0 ):
case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_HP_OUT, 0 ):
return true ;
default :
return false ;
}
}
#ifdef CONFIG_PM
static void rt298_index_sync(struct snd_soc_component *component)
{
struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
int i;
for (i = 0 ; i < INDEX_CACHE_SIZE; i++) {
snd_soc_component_write(component, rt298->index_cache[i].reg,
rt298->index_cache[i].def);
}
}
#endif
static int rt298_support_power_controls[] = {
RT298_DAC_OUT1,
RT298_DAC_OUT2,
RT298_ADC_IN1,
RT298_ADC_IN2,
RT298_MIC1,
RT298_DMIC1,
RT298_DMIC2,
RT298_SPK_OUT,
RT298_HP_OUT,
};
#define RT298_POWER_REG_LEN ARRAY_SIZE(rt298_support_power_controls)
static int rt298_jack_detect(struct rt298_priv *rt298, bool *hp, bool *mic)
{
struct snd_soc_dapm_context *dapm;
unsigned int val, buf;
*hp = false ;
*mic = false ;
if (!rt298->component)
return -EINVAL;
dapm = snd_soc_component_get_dapm(rt298->component);
if (rt298->pdata.cbj_en) {
regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
*hp = buf & 0 x80000000;
if (*hp == rt298->is_hp_in)
return -1 ;
rt298->is_hp_in = *hp;
if (*hp) {
/* power on HV,VERF */
regmap_update_bits(rt298->regmap,
RT298_DC_GAIN, 0 x200, 0 x200);
snd_soc_dapm_force_enable_pin(dapm, "HV" );
snd_soc_dapm_force_enable_pin(dapm, "VREF" );
/* power LDO1 */
snd_soc_dapm_force_enable_pin(dapm, "LDO1" );
snd_soc_dapm_sync(dapm);
regmap_update_bits(rt298->regmap,
RT298_POWER_CTRL1, 0 x1001, 0 );
regmap_update_bits(rt298->regmap,
RT298_POWER_CTRL2, 0 x4, 0 x4);
regmap_write(rt298->regmap, RT298_SET_MIC1, 0 x24);
msleep(50 );
regmap_update_bits(rt298->regmap,
RT298_CBJ_CTRL1, 0 xfcc0, 0 xd400);
msleep(300 );
regmap_read(rt298->regmap, RT298_CBJ_CTRL2, &val);
if (0 x0070 == (val & 0 x0070)) {
*mic = true ;
} else {
regmap_update_bits(rt298->regmap,
RT298_CBJ_CTRL1, 0 xfcc0, 0 xe400);
msleep(300 );
regmap_read(rt298->regmap,
RT298_CBJ_CTRL2, &val);
if (0 x0070 == (val & 0 x0070)) {
*mic = true ;
} else {
*mic = false ;
regmap_update_bits(rt298->regmap,
RT298_CBJ_CTRL1,
0 xfcc0, 0 xc400);
}
}
regmap_update_bits(rt298->regmap,
RT298_DC_GAIN, 0 x200, 0 x0);
} else {
*mic = false ;
regmap_write(rt298->regmap, RT298_SET_MIC1, 0 x20);
regmap_update_bits(rt298->regmap,
RT298_CBJ_CTRL1, 0 x0400, 0 x0000);
}
} else {
regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
*hp = buf & 0 x80000000;
regmap_read(rt298->regmap, RT298_GET_MIC1_SENSE, &buf);
*mic = buf & 0 x80000000;
}
if (!*mic) {
snd_soc_dapm_disable_pin(dapm, "HV" );
snd_soc_dapm_disable_pin(dapm, "VREF" );
}
if (!*hp)
snd_soc_dapm_disable_pin(dapm, "LDO1" );
snd_soc_dapm_sync(dapm);
pr_debug("*hp = %d *mic = %d\n" , *hp, *mic);
return 0 ;
}
static void rt298_jack_detect_work(struct work_struct *work)
{
struct rt298_priv *rt298 =
container_of(work, struct rt298_priv, jack_detect_work.work);
int status = 0 ;
bool hp = false ;
bool mic = false ;
if (rt298_jack_detect(rt298, &hp, &mic) < 0 )
return ;
if (hp)
status |= SND_JACK_HEADPHONE;
if (mic)
status |= SND_JACK_MICROPHONE;
snd_soc_jack_report(rt298->jack, status,
SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
}
static int rt298_mic_detect(struct snd_soc_component *component,
struct snd_soc_jack *jack, void *data)
{
struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
rt298->jack = jack;
if (jack) {
/* Enable IRQ */
if (rt298->jack->status & SND_JACK_HEADPHONE)
snd_soc_dapm_force_enable_pin(dapm, "LDO1" );
if (rt298->jack->status & SND_JACK_MICROPHONE) {
snd_soc_dapm_force_enable_pin(dapm, "HV" );
snd_soc_dapm_force_enable_pin(dapm, "VREF" );
}
regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0 x2, 0 x2);
/* Send an initial empty report */
snd_soc_jack_report(rt298->jack, rt298->jack->status,
SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
} else {
/* Disable IRQ */
regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0 x2, 0 x0);
snd_soc_dapm_disable_pin(dapm, "HV" );
snd_soc_dapm_disable_pin(dapm, "VREF" );
snd_soc_dapm_disable_pin(dapm, "LDO1" );
}
snd_soc_dapm_sync(dapm);
return 0 ;
}
static int is_mclk_mode(struct snd_soc_dapm_widget *source,
struct snd_soc_dapm_widget *sink)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
if (rt298->clk_id == RT298_SCLK_S_MCLK)
return 1 ;
else
return 0 ;
}
static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350 , 50 , 0 );
static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0 , 1000 , 0 );
static const struct snd_kcontrol_new rt298_snd_controls[] = {
SOC_DOUBLE_R_TLV("DAC0 Playback Volume" , RT298_DACL_GAIN,
RT298_DACR_GAIN, 0 , 0 x7f, 0 , out_vol_tlv),
SOC_DOUBLE_R_TLV("ADC0 Capture Volume" , RT298_ADCL_GAIN,
RT298_ADCR_GAIN, 0 , 0 x7f, 0 , out_vol_tlv),
SOC_SINGLE_TLV("AMIC Volume" , RT298_MIC_GAIN,
0 , 0 x3, 0 , mic_vol_tlv),
SOC_DOUBLE_R("Speaker Playback Switch" , RT298_SPOL_GAIN,
RT298_SPOR_GAIN, RT298_MUTE_SFT, 1 , 1 ),
};
/* Digital Mixer */
static const struct snd_kcontrol_new rt298_front_mix[] = {
SOC_DAPM_SINGLE("DAC Switch" , RT298_F_DAC_SWITCH,
RT298_MUTE_SFT, 1 , 1 ),
SOC_DAPM_SINGLE("RECMIX Switch" , RT298_F_RECMIX_SWITCH,
RT298_MUTE_SFT, 1 , 1 ),
};
/* Analog Input Mixer */
static const struct snd_kcontrol_new rt298_rec_mix[] = {
SOC_DAPM_SINGLE("Mic1 Switch" , RT298_REC_MIC_SWITCH,
RT298_MUTE_SFT, 1 , 1 ),
SOC_DAPM_SINGLE("I2S Switch" , RT298_REC_I2S_SWITCH,
RT298_MUTE_SFT, 1 , 1 ),
SOC_DAPM_SINGLE("Line1 Switch" , RT298_REC_LINE_SWITCH,
RT298_MUTE_SFT, 1 , 1 ),
SOC_DAPM_SINGLE("Beep Switch" , RT298_REC_BEEP_SWITCH,
RT298_MUTE_SFT, 1 , 1 ),
};
static const struct snd_kcontrol_new spo_enable_control =
SOC_DAPM_SINGLE("Switch" , RT298_SET_PIN_SPK,
RT298_SET_PIN_SFT, 1 , 0 );
static const struct snd_kcontrol_new hpol_enable_control =
SOC_DAPM_SINGLE_AUTODISABLE("Switch" , RT298_HPOL_GAIN,
RT298_MUTE_SFT, 1 , 1 );
static const struct snd_kcontrol_new hpor_enable_control =
SOC_DAPM_SINGLE_AUTODISABLE("Switch" , RT298_HPOR_GAIN,
RT298_MUTE_SFT, 1 , 1 );
/* ADC0 source */
static const char * const rt298_adc_src[] = {
"Mic" , "RECMIX" , "Dmic"
};
static const int rt298_adc_values[] = {
0 , 4 , 5 ,
};
static SOC_VALUE_ENUM_SINGLE_DECL(
rt298_adc0_enum, RT298_ADC0_MUX, RT298_ADC_SEL_SFT,
RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
static const struct snd_kcontrol_new rt298_adc0_mux =
SOC_DAPM_ENUM("ADC 0 source" , rt298_adc0_enum);
static SOC_VALUE_ENUM_SINGLE_DECL(
rt298_adc1_enum, RT298_ADC1_MUX, RT298_ADC_SEL_SFT,
RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
static const struct snd_kcontrol_new rt298_adc1_mux =
SOC_DAPM_ENUM("ADC 1 source" , rt298_adc1_enum);
static const char * const rt298_dac_src[] = {
"Front" , "Surround"
};
/* HP-OUT source */
static SOC_ENUM_SINGLE_DECL(rt298_hpo_enum, RT298_HPO_MUX,
0 , rt298_dac_src);
static const struct snd_kcontrol_new rt298_hpo_mux =
SOC_DAPM_ENUM("HPO source" , rt298_hpo_enum);
/* SPK-OUT source */
static SOC_ENUM_SINGLE_DECL(rt298_spo_enum, RT298_SPK_MUX,
0 , rt298_dac_src);
static const struct snd_kcontrol_new rt298_spo_mux =
SOC_DAPM_ENUM("SPO source" , rt298_spo_enum);
static int rt298_spk_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
switch (event) {
case SND_SOC_DAPM_POST_PMU:
snd_soc_component_write(component,
RT298_SPK_EAPD, RT298_SET_EAPD_HIGH);
break ;
case SND_SOC_DAPM_PRE_PMD:
snd_soc_component_write(component,
RT298_SPK_EAPD, RT298_SET_EAPD_LOW);
break ;
default :
return 0 ;
}
return 0 ;
}
static int rt298_set_dmic1_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
switch (event) {
case SND_SOC_DAPM_POST_PMU:
snd_soc_component_write(component, RT298_SET_PIN_DMIC1, 0 x20);
break ;
case SND_SOC_DAPM_PRE_PMD:
snd_soc_component_write(component, RT298_SET_PIN_DMIC1, 0 );
break ;
default :
return 0 ;
}
return 0 ;
}
static int rt298_adc_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
unsigned int nid;
nid = (w->reg >> 20 ) & 0 xff;
switch (event) {
case SND_SOC_DAPM_POST_PMU:
snd_soc_component_update_bits(component,
VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0 ),
0 x7080, 0 x7000);
/* If MCLK doesn't exist, reset AD filter */
if (!(snd_soc_component_read(component, RT298_VAD_CTRL) & 0 x200)) {
pr_info("NO MCLK\n" );
switch (nid) {
case RT298_ADC_IN1:
snd_soc_component_update_bits(component,
RT298_D_FILTER_CTRL, 0 x2, 0 x2);
mdelay(10 );
snd_soc_component_update_bits(component,
RT298_D_FILTER_CTRL, 0 x2, 0 x0);
break ;
case RT298_ADC_IN2:
snd_soc_component_update_bits(component,
RT298_D_FILTER_CTRL, 0 x4, 0 x4);
mdelay(10 );
snd_soc_component_update_bits(component,
RT298_D_FILTER_CTRL, 0 x4, 0 x0);
break ;
}
}
break ;
case SND_SOC_DAPM_PRE_PMD:
snd_soc_component_update_bits(component,
VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0 ),
0 x7080, 0 x7080);
break ;
default :
return 0 ;
}
return 0 ;
}
static int rt298_mic1_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
snd_soc_component_update_bits(component,
RT298_A_BIAS_CTRL3, 0 xc000, 0 x8000);
snd_soc_component_update_bits(component,
RT298_A_BIAS_CTRL2, 0 xc000, 0 x8000);
break ;
case SND_SOC_DAPM_POST_PMD:
snd_soc_component_update_bits(component,
RT298_A_BIAS_CTRL3, 0 xc000, 0 x0000);
snd_soc_component_update_bits(component,
RT298_A_BIAS_CTRL2, 0 xc000, 0 x0000);
break ;
default :
return 0 ;
}
return 0 ;
}
static const struct snd_soc_dapm_widget rt298_dapm_widgets[] = {
SND_SOC_DAPM_SUPPLY_S("HV" , 1 , RT298_POWER_CTRL1,
12 , 1 , NULL, 0 ),
SND_SOC_DAPM_SUPPLY("VREF" , RT298_POWER_CTRL1,
0 , 1 , NULL, 0 ),
SND_SOC_DAPM_SUPPLY_S("BG_MBIAS" , 1 , RT298_POWER_CTRL2,
1 , 0 , NULL, 0 ),
SND_SOC_DAPM_SUPPLY_S("LDO1" , 1 , RT298_POWER_CTRL2,
2 , 0 , NULL, 0 ),
SND_SOC_DAPM_SUPPLY_S("LDO2" , 1 , RT298_POWER_CTRL2,
3 , 0 , NULL, 0 ),
SND_SOC_DAPM_SUPPLY_S("VREF1" , 1 , RT298_POWER_CTRL2,
4 , 1 , NULL, 0 ),
SND_SOC_DAPM_SUPPLY_S("LV" , 2 , RT298_POWER_CTRL1,
13 , 1 , NULL, 0 ),
SND_SOC_DAPM_SUPPLY("MCLK MODE" , RT298_PLL_CTRL1,
5 , 0 , NULL, 0 ),
SND_SOC_DAPM_SUPPLY("MIC1 Input Buffer" , SND_SOC_NOPM,
0 , 0 , rt298_mic1_event, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
/* Input Lines */
SND_SOC_DAPM_INPUT("DMIC1 Pin" ),
SND_SOC_DAPM_INPUT("DMIC2 Pin" ),
SND_SOC_DAPM_INPUT("MIC1" ),
SND_SOC_DAPM_INPUT("LINE1" ),
SND_SOC_DAPM_INPUT("Beep" ),
/* DMIC */
SND_SOC_DAPM_PGA_E("DMIC1" , RT298_SET_POWER(RT298_DMIC1), 0 , 1 ,
NULL, 0 , rt298_set_dmic1_event,
SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_PGA("DMIC2" , RT298_SET_POWER(RT298_DMIC2), 0 , 1 ,
NULL, 0 ),
SND_SOC_DAPM_SUPPLY("DMIC Receiver" , SND_SOC_NOPM,
0 , 0 , NULL, 0 ),
/* REC Mixer */
SND_SOC_DAPM_MIXER("RECMIX" , SND_SOC_NOPM, 0 , 0 ,
rt298_rec_mix, ARRAY_SIZE(rt298_rec_mix)),
/* ADCs */
SND_SOC_DAPM_ADC("ADC 0" , NULL, SND_SOC_NOPM, 0 , 0 ),
SND_SOC_DAPM_ADC("ADC 1" , NULL, SND_SOC_NOPM, 0 , 0 ),
/* ADC Mux */
SND_SOC_DAPM_MUX_E("ADC 0 Mux" , RT298_SET_POWER(RT298_ADC_IN1), 0 , 1 ,
&rt298_adc0_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_MUX_E("ADC 1 Mux" , RT298_SET_POWER(RT298_ADC_IN2), 0 , 1 ,
&rt298_adc1_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
SND_SOC_DAPM_POST_PMU),
/* Audio Interface */
SND_SOC_DAPM_AIF_IN("AIF1RX" , "AIF1 Playback" , 0 , SND_SOC_NOPM, 0 , 0 ),
SND_SOC_DAPM_AIF_OUT("AIF1TX" , "AIF1 Capture" , 0 , SND_SOC_NOPM, 0 , 0 ),
SND_SOC_DAPM_AIF_IN("AIF2RX" , "AIF2 Playback" , 0 , SND_SOC_NOPM, 0 , 0 ),
SND_SOC_DAPM_AIF_OUT("AIF2TX" , "AIF2 Capture" , 0 , SND_SOC_NOPM, 0 , 0 ),
/* Output Side */
/* DACs */
SND_SOC_DAPM_DAC("DAC 0" , NULL, SND_SOC_NOPM, 0 , 0 ),
SND_SOC_DAPM_DAC("DAC 1" , NULL, SND_SOC_NOPM, 0 , 0 ),
/* Output Mux */
SND_SOC_DAPM_MUX("SPK Mux" , SND_SOC_NOPM, 0 , 0 , &rt298_spo_mux),
SND_SOC_DAPM_MUX("HPO Mux" , SND_SOC_NOPM, 0 , 0 , &rt298_hpo_mux),
SND_SOC_DAPM_SUPPLY("HP Power" , RT298_SET_PIN_HPO,
RT298_SET_PIN_SFT, 0 , NULL, 0 ),
/* Output Mixer */
SND_SOC_DAPM_MIXER("Front" , RT298_SET_POWER(RT298_DAC_OUT1), 0 , 1 ,
rt298_front_mix, ARRAY_SIZE(rt298_front_mix)),
SND_SOC_DAPM_PGA("Surround" , RT298_SET_POWER(RT298_DAC_OUT2), 0 , 1 ,
NULL, 0 ),
/* Output Pga */
SND_SOC_DAPM_SWITCH_E("SPO" , SND_SOC_NOPM, 0 , 0 ,
&spo_enable_control, rt298_spk_event,
SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_SWITCH("HPO L" , SND_SOC_NOPM, 0 , 0 ,
&hpol_enable_control),
SND_SOC_DAPM_SWITCH("HPO R" , SND_SOC_NOPM, 0 , 0 ,
&hpor_enable_control),
/* Output Lines */
SND_SOC_DAPM_OUTPUT("SPOL" ),
SND_SOC_DAPM_OUTPUT("SPOR" ),
SND_SOC_DAPM_OUTPUT("HPO Pin" ),
SND_SOC_DAPM_OUTPUT("SPDIF" ),
};
static const struct snd_soc_dapm_route rt298_dapm_routes[] = {
{"ADC 0" , NULL, "MCLK MODE" , is_mclk_mode},
{"ADC 1" , NULL, "MCLK MODE" , is_mclk_mode},
{"Front" , NULL, "MCLK MODE" , is_mclk_mode},
{"Surround" , NULL, "MCLK MODE" , is_mclk_mode},
{"HP Power" , NULL, "LDO1" },
{"HP Power" , NULL, "LDO2" },
{"HP Power" , NULL, "LV" },
{"HP Power" , NULL, "VREF1" },
{"HP Power" , NULL, "BG_MBIAS" },
{"MIC1" , NULL, "LDO1" },
{"MIC1" , NULL, "LDO2" },
{"MIC1" , NULL, "HV" },
{"MIC1" , NULL, "LV" },
{"MIC1" , NULL, "VREF" },
{"MIC1" , NULL, "VREF1" },
{"MIC1" , NULL, "BG_MBIAS" },
{"MIC1" , NULL, "MIC1 Input Buffer" },
{"SPO" , NULL, "LDO1" },
{"SPO" , NULL, "LDO2" },
{"SPO" , NULL, "HV" },
{"SPO" , NULL, "LV" },
{"SPO" , NULL, "VREF" },
{"SPO" , NULL, "VREF1" },
{"SPO" , NULL, "BG_MBIAS" },
{"DMIC1" , NULL, "DMIC1 Pin" },
{"DMIC2" , NULL, "DMIC2 Pin" },
{"DMIC1" , NULL, "DMIC Receiver" },
{"DMIC2" , NULL, "DMIC Receiver" },
{"RECMIX" , "Beep Switch" , "Beep" },
{"RECMIX" , "Line1 Switch" , "LINE1" },
{"RECMIX" , "Mic1 Switch" , "MIC1" },
{"ADC 0 Mux" , "Dmic" , "DMIC1" },
{"ADC 0 Mux" , "RECMIX" , "RECMIX" },
{"ADC 0 Mux" , "Mic" , "MIC1" },
{"ADC 1 Mux" , "Dmic" , "DMIC2" },
{"ADC 1 Mux" , "RECMIX" , "RECMIX" },
{"ADC 1 Mux" , "Mic" , "MIC1" },
{"ADC 0" , NULL, "ADC 0 Mux" },
{"ADC 1" , NULL, "ADC 1 Mux" },
{"AIF1TX" , NULL, "ADC 0" },
{"AIF2TX" , NULL, "ADC 1" },
{"DAC 0" , NULL, "AIF1RX" },
{"DAC 1" , NULL, "AIF2RX" },
{"Front" , "DAC Switch" , "DAC 0" },
{"Front" , "RECMIX Switch" , "RECMIX" },
{"Surround" , NULL, "DAC 1" },
{"SPK Mux" , "Front" , "Front" },
{"SPK Mux" , "Surround" , "Surround" },
{"HPO Mux" , "Front" , "Front" },
{"HPO Mux" , "Surround" , "Surround" },
{"SPO" , "Switch" , "SPK Mux" },
{"HPO L" , "Switch" , "HPO Mux" },
{"HPO R" , "Switch" , "HPO Mux" },
{"HPO L" , NULL, "HP Power" },
{"HPO R" , NULL, "HP Power" },
{"SPOL" , NULL, "SPO" },
{"SPOR" , NULL, "SPO" },
{"HPO Pin" , NULL, "HPO L" },
{"HPO Pin" , NULL, "HPO R" },
};
static int rt298_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct snd_soc_component *component = dai->component;
struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
unsigned int val = 0 ;
int d_len_code;
switch (params_rate(params)) {
/* bit 14 0:48K 1:44.1K */
case 44100 :
case 48000 :
break ;
default :
dev_err(component->dev, "Unsupported sample rate %d\n" ,
params_rate(params));
return -EINVAL;
}
switch (rt298->sys_clk) {
case 12288000 :
case 24576000 :
if (params_rate(params) != 48000 ) {
dev_err(component->dev, "Sys_clk is not matched (%d %d)\n" ,
params_rate(params), rt298->sys_clk);
return -EINVAL;
}
break ;
case 11289600 :
case 22579200 :
if (params_rate(params) != 44100 ) {
dev_err(component->dev, "Sys_clk is not matched (%d %d)\n" ,
params_rate(params), rt298->sys_clk);
return -EINVAL;
}
break ;
}
if (params_channels(params) <= 16 ) {
/* bit 3:0 Number of Channel */
val |= (params_channels(params) - 1 );
} else {
dev_err(component->dev, "Unsupported channels %d\n" ,
params_channels(params));
return -EINVAL;
}
switch (params_width(params)) {
/* bit 6:4 Bits per Sample */
case 16 :
d_len_code = 0 ;
val |= (0 x1 << 4 );
break ;
case 32 :
d_len_code = 2 ;
val |= (0 x4 << 4 );
break ;
case 20 :
d_len_code = 1 ;
val |= (0 x2 << 4 );
break ;
case 24 :
d_len_code = 2 ;
val |= (0 x3 << 4 );
break ;
case 8 :
d_len_code = 3 ;
break ;
default :
return -EINVAL;
}
snd_soc_component_update_bits(component,
RT298_I2S_CTRL1, 0 x0018, d_len_code << 3 );
dev_dbg(component->dev, "format val = 0x%x\n" , val);
snd_soc_component_update_bits(component, RT298_DAC_FORMAT, 0 x407f, val);
snd_soc_component_update_bits(component, RT298_ADC_FORMAT, 0 x407f, val);
return 0 ;
}
static int rt298_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
struct snd_soc_component *component = dai->component;
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBP_CFP:
snd_soc_component_update_bits(component,
RT298_I2S_CTRL1, 0 x800, 0 x800);
break ;
case SND_SOC_DAIFMT_CBC_CFC:
snd_soc_component_update_bits(component,
RT298_I2S_CTRL1, 0 x800, 0 x0);
break ;
default :
return -EINVAL;
}
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
snd_soc_component_update_bits(component,
RT298_I2S_CTRL1, 0 x300, 0 x0);
break ;
case SND_SOC_DAIFMT_LEFT_J:
snd_soc_component_update_bits(component,
RT298_I2S_CTRL1, 0 x300, 0 x1 << 8 );
break ;
case SND_SOC_DAIFMT_DSP_A:
snd_soc_component_update_bits(component,
RT298_I2S_CTRL1, 0 x300, 0 x2 << 8 );
break ;
case SND_SOC_DAIFMT_DSP_B:
snd_soc_component_update_bits(component,
RT298_I2S_CTRL1, 0 x300, 0 x3 << 8 );
break ;
default :
return -EINVAL;
}
/* bit 15 Stream Type 0:PCM 1:Non-PCM */
snd_soc_component_update_bits(component, RT298_DAC_FORMAT, 0 x8000, 0 );
snd_soc_component_update_bits(component, RT298_ADC_FORMAT, 0 x8000, 0 );
return 0 ;
}
static int rt298_set_dai_sysclk(struct snd_soc_dai *dai,
int clk_id, unsigned int freq, int dir)
{
struct snd_soc_component *component = dai->component;
struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
dev_dbg(component->dev, "%s freq=%d\n" , __func__, freq);
if (RT298_SCLK_S_MCLK == clk_id) {
snd_soc_component_update_bits(component,
RT298_I2S_CTRL2, 0 x0100, 0 x0);
snd_soc_component_update_bits(component,
RT298_PLL_CTRL1, 0 x20, 0 x20);
} else {
snd_soc_component_update_bits(component,
RT298_I2S_CTRL2, 0 x0100, 0 x0100);
snd_soc_component_update_bits(component,
RT298_PLL_CTRL1, 0 x20, 0 x0);
}
switch (freq) {
case 19200000 :
if (RT298_SCLK_S_MCLK == clk_id) {
dev_err(component->dev, "Should not use MCLK\n" );
return -EINVAL;
}
snd_soc_component_update_bits(component,
RT298_I2S_CTRL2, 0 x40, 0 x40);
break ;
case 24000000 :
if (RT298_SCLK_S_MCLK == clk_id) {
dev_err(component->dev, "Should not use MCLK\n" );
return -EINVAL;
}
snd_soc_component_update_bits(component,
RT298_I2S_CTRL2, 0 x40, 0 x0);
break ;
case 12288000 :
case 11289600 :
snd_soc_component_update_bits(component,
RT298_I2S_CTRL2, 0 x8, 0 x0);
snd_soc_component_update_bits(component,
RT298_CLK_DIV, 0 xfc1e, 0 x0004);
break ;
case 24576000 :
case 22579200 :
snd_soc_component_update_bits(component,
RT298_I2S_CTRL2, 0 x8, 0 x8);
snd_soc_component_update_bits(component,
RT298_CLK_DIV, 0 xfc1e, 0 x5406);
break ;
default :
dev_err(component->dev, "Unsupported system clock\n" );
return -EINVAL;
}
rt298->sys_clk = freq;
rt298->clk_id = clk_id;
return 0 ;
}
static int rt298_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
{
struct snd_soc_component *component = dai->component;
dev_dbg(component->dev, "%s ratio=%d\n" , __func__, ratio);
if (50 == ratio)
snd_soc_component_update_bits(component,
RT298_I2S_CTRL1, 0 x1000, 0 x1000);
else
snd_soc_component_update_bits(component,
RT298_I2S_CTRL1, 0 x1000, 0 x0);
return 0 ;
}
static int rt298_set_bias_level(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
switch (level) {
case SND_SOC_BIAS_PREPARE:
if (SND_SOC_BIAS_STANDBY ==
snd_soc_component_get_bias_level(component)) {
snd_soc_component_write(component,
RT298_SET_AUDIO_POWER, AC_PWRST_D0);
snd_soc_component_update_bits(component, 0 x0d, 0 x200, 0 x200);
snd_soc_component_update_bits(component, 0 x52, 0 x80, 0 x0);
mdelay(20 );
snd_soc_component_update_bits(component, 0 x0d, 0 x200, 0 x0);
snd_soc_component_update_bits(component, 0 x52, 0 x80, 0 x80);
}
break ;
case SND_SOC_BIAS_STANDBY:
snd_soc_component_write(component,
RT298_SET_AUDIO_POWER, AC_PWRST_D3);
break ;
default :
break ;
}
return 0 ;
}
static irqreturn_t rt298_irq(int irq, void *data)
{
struct rt298_priv *rt298 = data;
bool hp = false ;
bool mic = false ;
int ret, status = 0 ;
ret = rt298_jack_detect(rt298, &hp, &mic);
/* Clear IRQ */
regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0 x1, 0 x1);
if (ret == 0 ) {
if (hp)
status |= SND_JACK_HEADPHONE;
if (mic)
status |= SND_JACK_MICROPHONE;
snd_soc_jack_report(rt298->jack, status,
SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
pm_wakeup_event(&rt298->i2c->dev, 300 );
}
return IRQ_HANDLED;
}
static int rt298_probe(struct snd_soc_component *component)
{
struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
rt298->component = component;
INIT_DELAYED_WORK(&rt298->jack_detect_work, rt298_jack_detect_work);
if (rt298->i2c->irq)
schedule_delayed_work(&rt298->jack_detect_work,
msecs_to_jiffies(1250 ));
return 0 ;
}
static void rt298_remove(struct snd_soc_component *component)
{
struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
cancel_delayed_work_sync(&rt298->jack_detect_work);
rt298->component = NULL;
}
#ifdef CONFIG_PM
static int rt298_suspend(struct snd_soc_component *component)
{
struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
rt298->is_hp_in = -1 ;
regcache_cache_only(rt298->regmap, true );
regcache_mark_dirty(rt298->regmap);
return 0 ;
}
static int rt298_resume(struct snd_soc_component *component)
{
struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
regcache_cache_only(rt298->regmap, false );
rt298_index_sync(component);
regcache_sync(rt298->regmap);
return 0 ;
}
#else
#define rt298_suspend NULL
#define rt298_resume NULL
#endif
#define RT298_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
#define RT298_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
static const struct snd_soc_dai_ops rt298_aif_dai_ops = {
.hw_params = rt298_hw_params,
.set_fmt = rt298_set_dai_fmt,
.set_sysclk = rt298_set_dai_sysclk,
.set_bclk_ratio = rt298_set_bclk_ratio,
};
static struct snd_soc_dai_driver rt298_dai[] = {
{
.name = "rt298-aif1" ,
.id = RT298_AIF1,
.playback = {
.stream_name = "AIF1 Playback" ,
.channels_min = 1 ,
.channels_max = 2 ,
.rates = RT298_STEREO_RATES,
.formats = RT298_FORMATS,
},
.capture = {
.stream_name = "AIF1 Capture" ,
.channels_min = 1 ,
.channels_max = 2 ,
.rates = RT298_STEREO_RATES,
.formats = RT298_FORMATS,
},
.ops = &rt298_aif_dai_ops,
.symmetric_rate = 1 ,
},
{
.name = "rt298-aif2" ,
.id = RT298_AIF2,
.playback = {
.stream_name = "AIF2 Playback" ,
.channels_min = 1 ,
.channels_max = 2 ,
.rates = RT298_STEREO_RATES,
.formats = RT298_FORMATS,
},
.capture = {
.stream_name = "AIF2 Capture" ,
.channels_min = 1 ,
.channels_max = 2 ,
.rates = RT298_STEREO_RATES,
.formats = RT298_FORMATS,
},
.ops = &rt298_aif_dai_ops,
.symmetric_rate = 1 ,
},
};
static const struct snd_soc_component_driver soc_component_dev_rt298 = {
.probe = rt298_probe,
.remove = rt298_remove,
.suspend = rt298_suspend,
.resume = rt298_resume,
.set_bias_level = rt298_set_bias_level,
.set_jack = rt298_mic_detect,
.controls = rt298_snd_controls,
.num_controls = ARRAY_SIZE(rt298_snd_controls),
.dapm_widgets = rt298_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(rt298_dapm_widgets),
.dapm_routes = rt298_dapm_routes,
.num_dapm_routes = ARRAY_SIZE(rt298_dapm_routes),
.use_pmdown_time = 1 ,
.endianness = 1 ,
};
static const struct regmap_config rt298_regmap = {
.reg_bits = 32 ,
.val_bits = 32 ,
.max_register = 0 x02370100,
.volatile_reg = rt298_volatile_register,
.readable_reg = rt298_readable_register,
.reg_write = rl6347a_hw_write,
.reg_read = rl6347a_hw_read,
.cache_type = REGCACHE_RBTREE,
.reg_defaults = rt298_reg,
.num_reg_defaults = ARRAY_SIZE(rt298_reg),
};
static const struct i2c_device_id rt298_i2c_id[] = {
{"rt298" },
{}
};
MODULE_DEVICE_TABLE(i2c, rt298_i2c_id);
#ifdef CONFIG_ACPI
static const struct acpi_device_id rt298_acpi_match[] = {
{ "10EC0298" },
{ "INT343A" },
{ }
};
MODULE_DEVICE_TABLE(acpi, rt298_acpi_match);
#endif
static const struct dmi_system_id force_combo_jack_table[] = {
{
.ident = "Intel Broxton P" ,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp" ),
DMI_MATCH(DMI_PRODUCT_NAME, "Broxton P" )
}
},
{
.ident = "Intel Gemini Lake" ,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp" ),
DMI_MATCH(DMI_PRODUCT_NAME, "Geminilake" )
}
},
{
.ident = "Intel Kabylake R RVP" ,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation" ),
DMI_MATCH(DMI_PRODUCT_NAME, "Kabylake Client platform" )
}
},
{ }
};
static int rt298_i2c_probe(struct i2c_client *i2c)
{
struct rt298_platform_data *pdata = dev_get_platdata(&i2c->dev);
struct rt298_priv *rt298;
struct device *dev = &i2c->dev;
const struct acpi_device_id *acpiid;
int i, ret;
rt298 = devm_kzalloc(&i2c->dev, sizeof (*rt298),
GFP_KERNEL);
if (NULL == rt298)
return -ENOMEM;
rt298->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt298_regmap);
if (IS_ERR(rt298->regmap)) {
ret = PTR_ERR(rt298->regmap);
dev_err(&i2c->dev, "Failed to allocate register map: %d\n" ,
ret);
return ret;
}
regmap_read(rt298->regmap,
RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &ret);
if (ret != RT298_VENDOR_ID) {
dev_err(&i2c->dev,
"Device with ID register %#x is not rt298\n" , ret);
return -ENODEV;
}
rt298->index_cache = devm_kmemdup(&i2c->dev, rt298_index_def,
sizeof (rt298_index_def), GFP_KERNEL);
if (!rt298->index_cache)
return -ENOMEM;
rt298->index_cache_size = INDEX_CACHE_SIZE;
rt298->i2c = i2c;
i2c_set_clientdata(i2c, rt298);
/* restore codec default */
for (i = 0 ; i < INDEX_CACHE_SIZE; i++)
regmap_write(rt298->regmap, rt298->index_cache[i].reg,
rt298->index_cache[i].def);
for (i = 0 ; i < ARRAY_SIZE(rt298_reg); i++)
regmap_write(rt298->regmap, rt298_reg[i].reg,
rt298_reg[i].def);
if (pdata)
rt298->pdata = *pdata;
/* enable jack combo mode on supported devices */
acpiid = acpi_match_device(dev->driver->acpi_match_table, dev);
if (acpiid && acpiid->driver_data) {
rt298->pdata = *(struct rt298_platform_data *)
acpiid->driver_data;
}
if (dmi_check_system(force_combo_jack_table)) {
rt298->pdata.cbj_en = true ;
rt298->pdata.gpio2_en = false ;
}
/* VREF Charging */
regmap_update_bits(rt298->regmap, 0 x04, 0 x80, 0 x80);
regmap_update_bits(rt298->regmap, 0 x1b, 0 x860, 0 x860);
/* Vref2 */
regmap_update_bits(rt298->regmap, 0 x08, 0 x20, 0 x20);
regmap_write(rt298->regmap, RT298_SET_AUDIO_POWER, AC_PWRST_D3);
for (i = 0 ; i < RT298_POWER_REG_LEN; i++)
regmap_write(rt298->regmap,
RT298_SET_POWER(rt298_support_power_controls[i]),
AC_PWRST_D1);
if (!rt298->pdata.cbj_en) {
regmap_write(rt298->regmap, RT298_CBJ_CTRL2, 0 x0000);
regmap_write(rt298->regmap, RT298_MIC1_DET_CTRL, 0 x0816);
regmap_update_bits(rt298->regmap,
RT298_CBJ_CTRL1, 0 xf000, 0 xb000);
} else {
regmap_update_bits(rt298->regmap,
RT298_CBJ_CTRL1, 0 xf000, 0 x5000);
}
mdelay(10 );
if (!rt298->pdata.gpio2_en)
regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0 x40);
else
regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0 );
mdelay(10 );
regmap_write(rt298->regmap, RT298_MISC_CTRL1, 0 x0000);
regmap_update_bits(rt298->regmap,
RT298_WIND_FILTER_CTRL, 0 x0082, 0 x0082);
regmap_write(rt298->regmap, RT298_UNSOLICITED_INLINE_CMD, 0 x81);
regmap_write(rt298->regmap, RT298_UNSOLICITED_HP_OUT, 0 x82);
regmap_write(rt298->regmap, RT298_UNSOLICITED_MIC1, 0 x84);
regmap_update_bits(rt298->regmap, RT298_IRQ_FLAG_CTRL, 0 x2, 0 x2);
rt298->is_hp_in = -1 ;
if (rt298->i2c->irq) {
ret = request_threaded_irq(rt298->i2c->irq, NULL, rt298_irq,
IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt298" , rt298);
if (ret != 0 ) {
dev_err(&i2c->dev,
"Failed to request IRQ: %d\n" , ret);
return ret;
}
}
ret = devm_snd_soc_register_component(&i2c->dev,
&soc_component_dev_rt298,
rt298_dai, ARRAY_SIZE(rt298_dai));
return ret;
}
static void rt298_i2c_remove(struct i2c_client *i2c)
{
struct rt298_priv *rt298 = i2c_get_clientdata(i2c);
if (i2c->irq)
free_irq(i2c->irq, rt298);
}
static struct i2c_driver rt298_i2c_driver = {
.driver = {
.name = "rt298" ,
.acpi_match_table = ACPI_PTR(rt298_acpi_match),
},
.probe = rt298_i2c_probe,
.remove = rt298_i2c_remove,
.id_table = rt298_i2c_id,
};
module_i2c_driver(rt298_i2c_driver);
MODULE_DESCRIPTION("ASoC RT298 driver" );
MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>" );
MODULE_LICENSE("GPL" );
Messung V0.5 in Prozent C=96 H=97 G=96
¤ Dauer der Verarbeitung: 0.15 Sekunden
(vorverarbeitet am 2026-06-07)
¤
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