166 lines
4.1 KiB
C
166 lines
4.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* tegra_wm8962.c - Tegra machine ASoC driver for boards using WM8962 codec.
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*
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* Copyright (C) 2021-2024 Jonas Schwöbel <jonasschwoebel@yahoo.de>
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* Svyatoslav Ryhel <clamor95@gmail.com>
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*
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* Based on tegra_wm8903 code copyright/by:
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*
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* Author: Stephen Warren <swarren@nvidia.com>
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* Copyright (C) 2010-2012 - NVIDIA, Inc.
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*
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* Based on code copyright/by:
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*
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* (c) 2009, 2010 Nvidia Graphics Pvt. Ltd.
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*
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* Copyright 2007 Wolfson Microelectronics PLC.
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* Author: Graeme Gregory
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* graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com
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*/
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#include <linux/gpio/consumer.h>
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#include <linux/of.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <sound/core.h>
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#include <sound/jack.h>
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#include <sound/soc.h>
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#include "../codecs/wm8962.h"
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#include "tegra_asoc_machine.h"
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static struct snd_soc_jack_pin tegra_wm8962_mic_jack_pins[] = {
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{ .pin = "Mic Jack", .mask = SND_JACK_MICROPHONE },
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};
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static unsigned int tegra_wm8962_mclk_rate(unsigned int srate)
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{
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unsigned int mclk;
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switch (srate) {
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case 8000:
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case 16000:
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case 24000:
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case 32000:
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case 48000:
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case 64000:
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case 96000:
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mclk = 12288000;
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break;
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case 11025:
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case 22050:
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case 44100:
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case 88200:
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mclk = 11289600;
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break;
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default:
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mclk = 12000000;
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break;
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}
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return mclk;
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}
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static int tegra_wm8962_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct tegra_machine *machine = snd_soc_card_get_drvdata(rtd->card);
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struct snd_soc_card *card = rtd->card;
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struct snd_soc_dapm_context *dapm = snd_soc_card_to_dapm(card);
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int err;
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err = tegra_asoc_machine_init(rtd);
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if (err)
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return err;
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if (!machine->gpiod_mic_det && machine->asoc->add_mic_jack) {
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struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
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struct snd_soc_component *component = codec_dai->component;
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err = snd_soc_card_jack_new_pins(rtd->card, "Mic Jack",
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SND_JACK_MICROPHONE,
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machine->mic_jack,
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tegra_wm8962_mic_jack_pins,
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ARRAY_SIZE(tegra_wm8962_mic_jack_pins));
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if (err) {
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dev_err(rtd->dev, "Mic Jack creation failed: %d\n", err);
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return err;
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}
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wm8962_mic_detect(component, machine->mic_jack);
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}
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snd_soc_dapm_force_enable_pin(dapm, "MICBIAS");
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return 0;
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}
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static int tegra_wm8962_remove(struct snd_soc_card *card)
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{
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struct snd_soc_dai_link *link = &card->dai_link[0];
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struct snd_soc_pcm_runtime *rtd = snd_soc_get_pcm_runtime(card, link);
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struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
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struct snd_soc_component *component = codec_dai->component;
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wm8962_mic_detect(component, NULL);
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return 0;
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}
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SND_SOC_DAILINK_DEFS(wm8962_hifi,
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DAILINK_COMP_ARRAY(COMP_EMPTY()),
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DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8962")),
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DAILINK_COMP_ARRAY(COMP_EMPTY()));
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static struct snd_soc_dai_link tegra_wm8962_dai = {
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.name = "WM8962",
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.stream_name = "WM8962 PCM",
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.init = tegra_wm8962_init,
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.dai_fmt = SND_SOC_DAIFMT_I2S |
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SND_SOC_DAIFMT_NB_NF |
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SND_SOC_DAIFMT_CBC_CFC,
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SND_SOC_DAILINK_REG(wm8962_hifi),
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};
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static struct snd_soc_card snd_soc_tegra_wm8962 = {
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.components = "codec:wm8962",
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.owner = THIS_MODULE,
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.dai_link = &tegra_wm8962_dai,
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.num_links = 1,
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.remove = tegra_wm8962_remove,
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.fully_routed = true,
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};
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static const struct tegra_asoc_data tegra_wm8962_data = {
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.mclk_rate = tegra_wm8962_mclk_rate,
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.card = &snd_soc_tegra_wm8962,
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.add_common_dapm_widgets = true,
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.add_common_controls = true,
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.add_common_snd_ops = true,
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.add_mic_jack = true,
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.add_hp_jack = true,
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};
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static const struct of_device_id tegra_wm8962_of_match[] = {
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{ .compatible = "nvidia,tegra-audio-wm8962", .data = &tegra_wm8962_data },
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{},
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};
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MODULE_DEVICE_TABLE(of, tegra_wm8962_of_match);
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static struct platform_driver tegra_wm8962_driver = {
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.driver = {
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.name = "tegra-wm8962",
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.of_match_table = tegra_wm8962_of_match,
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.pm = &snd_soc_pm_ops,
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},
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.probe = tegra_asoc_machine_probe,
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};
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module_platform_driver(tegra_wm8962_driver);
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MODULE_AUTHOR("Jonas Schwöbel <jonasschwoebel@yahoo.de>");
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MODULE_AUTHOR("Svyatoslav Ryhel <clamor95@gmail.com>");
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MODULE_DESCRIPTION("Tegra+WM8962 machine ASoC driver");
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MODULE_LICENSE("GPL");
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