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// SPDX-License-Identifier: GPL-2.0-only
/*
* rx51.c -- SoC audio for Nokia RX-51
*
* Copyright (C) 2008 - 2009 Nokia Corporation
*
* Contact: Peter Ujfalusi <peter.ujfalusi@ti.com>
* Eduardo Valentin <eduardo.valentin@nokia.com>
* Jarkko Nikula <jarkko.nikula@bitmer.com>
*/
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/gpio/consumer.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <linux/platform_data/asoc-ti-mcbsp.h>
#include <asm/mach-types.h>
#include "omap-mcbsp.h"
enum {
RX51_JACK_DISABLED,
RX51_JACK_TVOUT, /* tv-out with stereo output */
RX51_JACK_HP, /* headphone: stereo output, no mic */
RX51_JACK_HS, /* headset: stereo output with mic */
};
struct rx51_audio_pdata {
struct gpio_desc *tvout_selection_gpio;
struct gpio_desc *jack_detection_gpio;
struct gpio_desc *eci_sw_gpio;
struct gpio_desc *speaker_amp_gpio;
};
static int rx51_spk_func;
static int rx51_dmic_func;
static int rx51_jack_func;
static void rx51_ext_control(struct snd_soc_dapm_context *dapm)
{
struct snd_soc_card *card = dapm->card;
struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
int hp = 0, hs = 0, tvout = 0;
switch (rx51_jack_func) {
case RX51_JACK_TVOUT:
tvout = 1;
hp = 1;
break;
case RX51_JACK_HS:
hs = 1;
fallthrough;
case RX51_JACK_HP:
hp = 1;
break;
}
snd_soc_dapm_mutex_lock(dapm);
if (rx51_spk_func)
snd_soc_dapm_enable_pin_unlocked(dapm, "Ext Spk");
else
snd_soc_dapm_disable_pin_unlocked(dapm, "Ext Spk");
if (rx51_dmic_func)
snd_soc_dapm_enable_pin_unlocked(dapm, "DMic");
else
snd_soc_dapm_disable_pin_unlocked(dapm, "DMic");
if (hp)
snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack");
else
snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
if (hs)
snd_soc_dapm_enable_pin_unlocked(dapm, "HS Mic");
else
snd_soc_dapm_disable_pin_unlocked(dapm, "HS Mic");
gpiod_set_value(pdata->tvout_selection_gpio, tvout);
snd_soc_dapm_sync_unlocked(dapm);
snd_soc_dapm_mutex_unlock(dapm);
}
static int rx51_startup(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct snd_soc_card *card = rtd->card;
snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
rx51_ext_control(&card->dapm);
return 0;
}
static int rx51_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
/* Set the codec system clock for DAC and ADC */
return snd_soc_dai_set_sysclk(codec_dai, 0, 19200000,
SND_SOC_CLOCK_IN);
}
static const struct snd_soc_ops rx51_ops = {
.startup = rx51_startup,
.hw_params = rx51_hw_params,
};
static int rx51_get_spk(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
ucontrol->value.enumerated.item[0] = rx51_spk_func;
return 0;
}
static int rx51_set_spk(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
if (rx51_spk_func == ucontrol->value.enumerated.item[0])
return 0;
rx51_spk_func = ucontrol->value.enumerated.item[0];
rx51_ext_control(&card->dapm);
return 1;
}
static int rx51_spk_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
struct snd_soc_dapm_context *dapm = w->dapm;
struct snd_soc_card *card = dapm->card;
struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
gpiod_set_raw_value_cansleep(pdata->speaker_amp_gpio,
!!SND_SOC_DAPM_EVENT_ON(event));
return 0;
}
static int rx51_get_input(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
ucontrol->value.enumerated.item[0] = rx51_dmic_func;
return 0;
}
static int rx51_set_input(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
if (rx51_dmic_func == ucontrol->value.enumerated.item[0])
return 0;
rx51_dmic_func = ucontrol->value.enumerated.item[0];
rx51_ext_control(&card->dapm);
return 1;
}
static int rx51_get_jack(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
ucontrol->value.enumerated.item[0] = rx51_jack_func;
return 0;
}
static int rx51_set_jack(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
if (rx51_jack_func == ucontrol->value.enumerated.item[0])
return 0;
rx51_jack_func = ucontrol->value.enumerated.item[0];
rx51_ext_control(&card->dapm);
return 1;
}
static struct snd_soc_jack rx51_av_jack;
static struct snd_soc_jack_gpio rx51_av_jack_gpios[] = {
{
.name = "avdet-gpio",
.report = SND_JACK_HEADSET,
.invert = 1,
.debounce_time = 200,
},
};
static const struct snd_soc_dapm_widget aic34_dapm_widgets[] = {
SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event),
SND_SOC_DAPM_MIC("DMic", NULL),
SND_SOC_DAPM_HP("Headphone Jack", NULL),
SND_SOC_DAPM_MIC("HS Mic", NULL),
SND_SOC_DAPM_LINE("FM Transmitter", NULL),
SND_SOC_DAPM_SPK("Earphone", NULL),
};
static const struct snd_soc_dapm_route audio_map[] = {
{"Ext Spk", NULL, "HPLOUT"},
{"Ext Spk", NULL, "HPROUT"},
{"Ext Spk", NULL, "HPLCOM"},
{"Ext Spk", NULL, "HPRCOM"},
{"FM Transmitter", NULL, "LLOUT"},
{"FM Transmitter", NULL, "RLOUT"},
{"Headphone Jack", NULL, "TPA6130A2 HPLEFT"},
{"Headphone Jack", NULL, "TPA6130A2 HPRIGHT"},
{"TPA6130A2 LEFTIN", NULL, "LLOUT"},
{"TPA6130A2 RIGHTIN", NULL, "RLOUT"},
{"DMic Rate 64", NULL, "DMic"},
{"DMic", NULL, "Mic Bias"},
{"b LINE2R", NULL, "MONO_LOUT"},
{"Earphone", NULL, "b HPLOUT"},
{"LINE1L", NULL, "HS Mic"},
{"HS Mic", NULL, "b Mic Bias"},
};
static const char * const spk_function[] = {"Off", "On"};
static const char * const input_function[] = {"ADC", "Digital Mic"};
static const char * const jack_function[] = {
"Off", "TV-OUT", "Headphone", "Headset"
};
static const struct soc_enum rx51_enum[] = {
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function),
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
};
stati
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