482 lines
12 KiB
C
482 lines
12 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* rx51.c -- SoC audio for Nokia RX-51
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*
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* Copyright (C) 2008 - 2009 Nokia Corporation
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*
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* Contact: Peter Ujfalusi <peter.ujfalusi@ti.com>
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* Eduardo Valentin <eduardo.valentin@nokia.com>
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* Jarkko Nikula <jarkko.nikula@bitmer.com>
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*/
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#include <linux/delay.h>
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#include <linux/gpio.h>
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#include <linux/platform_device.h>
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#include <linux/gpio/consumer.h>
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#include <linux/module.h>
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#include <sound/core.h>
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#include <sound/jack.h>
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#include <sound/pcm.h>
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#include <sound/soc.h>
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#include <linux/platform_data/asoc-ti-mcbsp.h>
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#include <asm/mach-types.h>
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#include "omap-mcbsp.h"
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enum {
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RX51_JACK_DISABLED,
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RX51_JACK_TVOUT, /* tv-out with stereo output */
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RX51_JACK_HP, /* headphone: stereo output, no mic */
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RX51_JACK_HS, /* headset: stereo output with mic */
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};
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struct rx51_audio_pdata {
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struct gpio_desc *tvout_selection_gpio;
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struct gpio_desc *jack_detection_gpio;
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struct gpio_desc *eci_sw_gpio;
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struct gpio_desc *speaker_amp_gpio;
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};
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static int rx51_spk_func;
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static int rx51_dmic_func;
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static int rx51_jack_func;
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static void rx51_ext_control(struct snd_soc_dapm_context *dapm)
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{
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struct snd_soc_card *card = dapm->card;
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struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
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int hp = 0, hs = 0, tvout = 0;
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switch (rx51_jack_func) {
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case RX51_JACK_TVOUT:
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tvout = 1;
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hp = 1;
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break;
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case RX51_JACK_HS:
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hs = 1;
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fallthrough;
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case RX51_JACK_HP:
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hp = 1;
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break;
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}
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snd_soc_dapm_mutex_lock(dapm);
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if (rx51_spk_func)
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snd_soc_dapm_enable_pin_unlocked(dapm, "Ext Spk");
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else
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snd_soc_dapm_disable_pin_unlocked(dapm, "Ext Spk");
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if (rx51_dmic_func)
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snd_soc_dapm_enable_pin_unlocked(dapm, "DMic");
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else
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snd_soc_dapm_disable_pin_unlocked(dapm, "DMic");
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if (hp)
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snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack");
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else
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snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
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if (hs)
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snd_soc_dapm_enable_pin_unlocked(dapm, "HS Mic");
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else
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snd_soc_dapm_disable_pin_unlocked(dapm, "HS Mic");
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gpiod_set_value(pdata->tvout_selection_gpio, tvout);
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snd_soc_dapm_sync_unlocked(dapm);
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snd_soc_dapm_mutex_unlock(dapm);
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}
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static int rx51_startup(struct snd_pcm_substream *substream)
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{
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struct snd_pcm_runtime *runtime = substream->runtime;
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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struct snd_soc_card *card = rtd->card;
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snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_CHANNELS, 2);
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rx51_ext_control(&card->dapm);
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return 0;
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}
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static int rx51_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params)
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{
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
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/* Set the codec system clock for DAC and ADC */
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return snd_soc_dai_set_sysclk(codec_dai, 0, 19200000,
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SND_SOC_CLOCK_IN);
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}
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static const struct snd_soc_ops rx51_ops = {
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.startup = rx51_startup,
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.hw_params = rx51_hw_params,
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};
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static int rx51_get_spk(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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ucontrol->value.enumerated.item[0] = rx51_spk_func;
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return 0;
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}
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static int rx51_set_spk(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
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if (rx51_spk_func == ucontrol->value.enumerated.item[0])
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return 0;
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rx51_spk_func = ucontrol->value.enumerated.item[0];
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rx51_ext_control(&card->dapm);
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return 1;
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}
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static int rx51_spk_event(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *k, int event)
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{
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struct snd_soc_dapm_context *dapm = w->dapm;
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struct snd_soc_card *card = dapm->card;
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struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
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gpiod_set_raw_value_cansleep(pdata->speaker_amp_gpio,
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!!SND_SOC_DAPM_EVENT_ON(event));
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return 0;
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}
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static int rx51_get_input(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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ucontrol->value.enumerated.item[0] = rx51_dmic_func;
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return 0;
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}
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static int rx51_set_input(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
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if (rx51_dmic_func == ucontrol->value.enumerated.item[0])
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return 0;
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rx51_dmic_func = ucontrol->value.enumerated.item[0];
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rx51_ext_control(&card->dapm);
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return 1;
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}
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static int rx51_get_jack(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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ucontrol->value.enumerated.item[0] = rx51_jack_func;
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return 0;
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}
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static int rx51_set_jack(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
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if (rx51_jack_func == ucontrol->value.enumerated.item[0])
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return 0;
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rx51_jack_func = ucontrol->value.enumerated.item[0];
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rx51_ext_control(&card->dapm);
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return 1;
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}
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static struct snd_soc_jack rx51_av_jack;
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static struct snd_soc_jack_gpio rx51_av_jack_gpios[] = {
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{
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.name = "avdet-gpio",
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.report = SND_JACK_HEADSET,
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.invert = 1,
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.debounce_time = 200,
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},
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};
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static const struct snd_soc_dapm_widget aic34_dapm_widgets[] = {
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SND_SOC_DAPM_SPK("Ext Spk", rx51_spk_event),
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SND_SOC_DAPM_MIC("DMic", NULL),
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SND_SOC_DAPM_HP("Headphone Jack", NULL),
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SND_SOC_DAPM_MIC("HS Mic", NULL),
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SND_SOC_DAPM_LINE("FM Transmitter", NULL),
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SND_SOC_DAPM_SPK("Earphone", NULL),
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};
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static const struct snd_soc_dapm_route audio_map[] = {
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{"Ext Spk", NULL, "HPLOUT"},
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{"Ext Spk", NULL, "HPROUT"},
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{"Ext Spk", NULL, "HPLCOM"},
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{"Ext Spk", NULL, "HPRCOM"},
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{"FM Transmitter", NULL, "LLOUT"},
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{"FM Transmitter", NULL, "RLOUT"},
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{"Headphone Jack", NULL, "TPA6130A2 HPLEFT"},
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{"Headphone Jack", NULL, "TPA6130A2 HPRIGHT"},
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{"TPA6130A2 LEFTIN", NULL, "LLOUT"},
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{"TPA6130A2 RIGHTIN", NULL, "RLOUT"},
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{"DMic Rate 64", NULL, "DMic"},
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{"DMic", NULL, "Mic Bias"},
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{"b LINE2R", NULL, "MONO_LOUT"},
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{"Earphone", NULL, "b HPLOUT"},
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{"LINE1L", NULL, "HS Mic"},
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{"HS Mic", NULL, "b Mic Bias"},
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};
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static const char * const spk_function[] = {"Off", "On"};
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static const char * const input_function[] = {"ADC", "Digital Mic"};
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static const char * const jack_function[] = {
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"Off", "TV-OUT", "Headphone", "Headset"
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};
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static const struct soc_enum rx51_enum[] = {
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SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
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SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function),
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SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function),
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};
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static const struct snd_kcontrol_new aic34_rx51_controls[] = {
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SOC_ENUM_EXT("Speaker Function", rx51_enum[0],
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rx51_get_spk, rx51_set_spk),
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SOC_ENUM_EXT("Input Select", rx51_enum[1],
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rx51_get_input, rx51_set_input),
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SOC_ENUM_EXT("Jack Function", rx51_enum[2],
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rx51_get_jack, rx51_set_jack),
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SOC_DAPM_PIN_SWITCH("FM Transmitter"),
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SOC_DAPM_PIN_SWITCH("Earphone"),
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};
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static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_card *card = rtd->card;
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struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
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int err;
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snd_soc_limit_volume(card, "TPA6130A2 Headphone Playback Volume", 42);
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err = omap_mcbsp_st_add_controls(rtd, 2);
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if (err < 0) {
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dev_err(card->dev, "Failed to add MCBSP controls\n");
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return err;
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}
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/* AV jack detection */
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err = snd_soc_card_jack_new(rtd->card, "AV Jack",
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SND_JACK_HEADSET | SND_JACK_VIDEOOUT,
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&rx51_av_jack, NULL, 0);
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if (err) {
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dev_err(card->dev, "Failed to add AV Jack\n");
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return err;
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}
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/* prepare gpio for snd_soc_jack_add_gpios */
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rx51_av_jack_gpios[0].gpio = desc_to_gpio(pdata->jack_detection_gpio);
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devm_gpiod_put(card->dev, pdata->jack_detection_gpio);
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err = snd_soc_jack_add_gpios(&rx51_av_jack,
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ARRAY_SIZE(rx51_av_jack_gpios),
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rx51_av_jack_gpios);
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if (err) {
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dev_err(card->dev, "Failed to add GPIOs\n");
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return err;
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}
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return err;
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}
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/* Digital audio interface glue - connects codec <--> CPU */
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SND_SOC_DAILINK_DEFS(aic34,
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DAILINK_COMP_ARRAY(COMP_CPU("omap-mcbsp.2")),
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DAILINK_COMP_ARRAY(COMP_CODEC("tlv320aic3x-codec.2-0018",
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"tlv320aic3x-hifi")),
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DAILINK_COMP_ARRAY(COMP_PLATFORM("omap-mcbsp.2")));
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static struct snd_soc_dai_link rx51_dai[] = {
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{
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.name = "TLV320AIC34",
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.stream_name = "AIC34",
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.dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF |
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SND_SOC_DAIFMT_CBM_CFM,
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.init = rx51_aic34_init,
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.ops = &rx51_ops,
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SND_SOC_DAILINK_REG(aic34),
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},
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};
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static struct snd_soc_aux_dev rx51_aux_dev[] = {
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{
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.dlc = COMP_AUX("tlv320aic3x-codec.2-0019"),
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},
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{
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.dlc = COMP_AUX("tpa6130a2.2-0060"),
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},
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};
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static struct snd_soc_codec_conf rx51_codec_conf[] = {
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{
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.dlc = COMP_CODEC_CONF("tlv320aic3x-codec.2-0019"),
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.name_prefix = "b",
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},
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{
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.dlc = COMP_CODEC_CONF("tpa6130a2.2-0060"),
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.name_prefix = "TPA6130A2",
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},
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};
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/* Audio card */
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static struct snd_soc_card rx51_sound_card = {
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.name = "RX-51",
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.owner = THIS_MODULE,
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.dai_link = rx51_dai,
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.num_links = ARRAY_SIZE(rx51_dai),
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.aux_dev = rx51_aux_dev,
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.num_aux_devs = ARRAY_SIZE(rx51_aux_dev),
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.codec_conf = rx51_codec_conf,
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.num_configs = ARRAY_SIZE(rx51_codec_conf),
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.fully_routed = true,
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.controls = aic34_rx51_controls,
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.num_controls = ARRAY_SIZE(aic34_rx51_controls),
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.dapm_widgets = aic34_dapm_widgets,
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.num_dapm_widgets = ARRAY_SIZE(aic34_dapm_widgets),
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.dapm_routes = audio_map,
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.num_dapm_routes = ARRAY_SIZE(audio_map),
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};
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static int rx51_soc_probe(struct platform_device *pdev)
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{
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struct rx51_audio_pdata *pdata;
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struct device_node *np = pdev->dev.of_node;
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struct snd_soc_card *card = &rx51_sound_card;
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int err;
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if (!machine_is_nokia_rx51() && !of_machine_is_compatible("nokia,omap3-n900"))
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return -ENODEV;
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card->dev = &pdev->dev;
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if (np) {
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struct device_node *dai_node;
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dai_node = of_parse_phandle(np, "nokia,cpu-dai", 0);
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if (!dai_node) {
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dev_err(&pdev->dev, "McBSP node is not provided\n");
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return -EINVAL;
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}
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rx51_dai[0].cpus->dai_name = NULL;
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rx51_dai[0].platforms->name = NULL;
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rx51_dai[0].cpus->of_node = dai_node;
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rx51_dai[0].platforms->of_node = dai_node;
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dai_node = of_parse_phandle(np, "nokia,audio-codec", 0);
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if (!dai_node) {
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dev_err(&pdev->dev, "Codec node is not provided\n");
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return -EINVAL;
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}
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rx51_dai[0].codecs->name = NULL;
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rx51_dai[0].codecs->of_node = dai_node;
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dai_node = of_parse_phandle(np, "nokia,audio-codec", 1);
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if (!dai_node) {
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dev_err(&pdev->dev, "Auxiliary Codec node is not provided\n");
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return -EINVAL;
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}
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rx51_aux_dev[0].dlc.name = NULL;
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rx51_aux_dev[0].dlc.of_node = dai_node;
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rx51_codec_conf[0].dlc.name = NULL;
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rx51_codec_conf[0].dlc.of_node = dai_node;
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dai_node = of_parse_phandle(np, "nokia,headphone-amplifier", 0);
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if (!dai_node) {
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dev_err(&pdev->dev, "Headphone amplifier node is not provided\n");
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return -EINVAL;
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}
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rx51_aux_dev[1].dlc.name = NULL;
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rx51_aux_dev[1].dlc.of_node = dai_node;
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rx51_codec_conf[1].dlc.name = NULL;
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rx51_codec_conf[1].dlc.of_node = dai_node;
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}
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pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
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if (pdata == NULL)
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return -ENOMEM;
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snd_soc_card_set_drvdata(card, pdata);
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pdata->tvout_selection_gpio = devm_gpiod_get(card->dev,
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"tvout-selection",
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GPIOD_OUT_LOW);
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if (IS_ERR(pdata->tvout_selection_gpio)) {
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dev_err(card->dev, "could not get tvout selection gpio\n");
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return PTR_ERR(pdata->tvout_selection_gpio);
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}
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pdata->jack_detection_gpio = devm_gpiod_get(card->dev,
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"jack-detection",
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GPIOD_ASIS);
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if (IS_ERR(pdata->jack_detection_gpio)) {
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dev_err(card->dev, "could not get jack detection gpio\n");
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return PTR_ERR(pdata->jack_detection_gpio);
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}
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pdata->eci_sw_gpio = devm_gpiod_get(card->dev, "eci-switch",
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GPIOD_OUT_HIGH);
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if (IS_ERR(pdata->eci_sw_gpio)) {
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dev_err(card->dev, "could not get eci switch gpio\n");
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return PTR_ERR(pdata->eci_sw_gpio);
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}
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pdata->speaker_amp_gpio = devm_gpiod_get(card->dev,
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"speaker-amplifier",
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GPIOD_OUT_LOW);
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if (IS_ERR(pdata->speaker_amp_gpio)) {
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dev_err(card->dev, "could not get speaker enable gpio\n");
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return PTR_ERR(pdata->speaker_amp_gpio);
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}
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err = devm_snd_soc_register_card(card->dev, card);
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if (err) {
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dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", err);
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return err;
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}
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return 0;
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}
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#if defined(CONFIG_OF)
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static const struct of_device_id rx51_audio_of_match[] = {
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{ .compatible = "nokia,n900-audio", },
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{},
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};
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MODULE_DEVICE_TABLE(of, rx51_audio_of_match);
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#endif
|
|
|
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static struct platform_driver rx51_soc_driver = {
|
|
.driver = {
|
|
.name = "rx51-audio",
|
|
.of_match_table = of_match_ptr(rx51_audio_of_match),
|
|
},
|
|
.probe = rx51_soc_probe,
|
|
};
|
|
|
|
module_platform_driver(rx51_soc_driver);
|
|
|
|
MODULE_AUTHOR("Nokia Corporation");
|
|
MODULE_DESCRIPTION("ALSA SoC Nokia RX-51");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_ALIAS("platform:rx51-audio");
|