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147 lines
3.7 KiB
147 lines
3.7 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* e800-wm9712.c -- SoC audio for e800 |
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* |
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* Copyright 2007 (c) Ian Molton <[email protected]> |
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*/ |
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#include <linux/module.h> |
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#include <linux/moduleparam.h> |
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#include <linux/gpio/consumer.h> |
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#include <sound/core.h> |
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#include <sound/pcm.h> |
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#include <sound/soc.h> |
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#include <asm/mach-types.h> |
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#include <linux/platform_data/asoc-pxa.h> |
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static struct gpio_desc *gpiod_spk_amp, *gpiod_hp_amp; |
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static int e800_spk_amp_event(struct snd_soc_dapm_widget *w, |
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struct snd_kcontrol *kcontrol, int event) |
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{ |
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if (event & SND_SOC_DAPM_PRE_PMU) |
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gpiod_set_value(gpiod_spk_amp, 1); |
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else if (event & SND_SOC_DAPM_POST_PMD) |
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gpiod_set_value(gpiod_spk_amp, 0); |
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return 0; |
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} |
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static int e800_hp_amp_event(struct snd_soc_dapm_widget *w, |
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struct snd_kcontrol *kcontrol, int event) |
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{ |
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if (event & SND_SOC_DAPM_PRE_PMU) |
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gpiod_set_value(gpiod_hp_amp, 1); |
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else if (event & SND_SOC_DAPM_POST_PMD) |
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gpiod_set_value(gpiod_hp_amp, 0); |
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return 0; |
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} |
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static const struct snd_soc_dapm_widget e800_dapm_widgets[] = { |
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SND_SOC_DAPM_HP("Headphone Jack", NULL), |
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SND_SOC_DAPM_MIC("Mic (Internal1)", NULL), |
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SND_SOC_DAPM_MIC("Mic (Internal2)", NULL), |
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SND_SOC_DAPM_SPK("Speaker", NULL), |
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SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0, |
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e800_hp_amp_event, SND_SOC_DAPM_PRE_PMU | |
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SND_SOC_DAPM_POST_PMD), |
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SND_SOC_DAPM_PGA_E("Speaker Amp", SND_SOC_NOPM, 0, 0, NULL, 0, |
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e800_spk_amp_event, SND_SOC_DAPM_PRE_PMU | |
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SND_SOC_DAPM_POST_PMD), |
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}; |
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static const struct snd_soc_dapm_route audio_map[] = { |
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{"Headphone Jack", NULL, "HPOUTL"}, |
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{"Headphone Jack", NULL, "HPOUTR"}, |
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{"Headphone Jack", NULL, "Headphone Amp"}, |
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{"Speaker Amp", NULL, "MONOOUT"}, |
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{"Speaker", NULL, "Speaker Amp"}, |
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{"MIC1", NULL, "Mic (Internal1)"}, |
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{"MIC2", NULL, "Mic (Internal2)"}, |
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}; |
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SND_SOC_DAILINK_DEFS(ac97, |
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DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-ac97")), |
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DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec", "wm9712-hifi")), |
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DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio"))); |
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SND_SOC_DAILINK_DEFS(ac97_aux, |
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DAILINK_COMP_ARRAY(COMP_CPU("pxa2xx-ac97-aux")), |
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DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec", "wm9712-aux")), |
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DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-pcm-audio"))); |
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static struct snd_soc_dai_link e800_dai[] = { |
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{ |
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.name = "AC97", |
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.stream_name = "AC97 HiFi", |
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SND_SOC_DAILINK_REG(ac97), |
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}, |
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{ |
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.name = "AC97 Aux", |
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.stream_name = "AC97 Aux", |
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SND_SOC_DAILINK_REG(ac97_aux), |
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}, |
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}; |
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static struct snd_soc_card e800 = { |
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.name = "Toshiba e800", |
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.owner = THIS_MODULE, |
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.dai_link = e800_dai, |
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.num_links = ARRAY_SIZE(e800_dai), |
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.dapm_widgets = e800_dapm_widgets, |
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.num_dapm_widgets = ARRAY_SIZE(e800_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 e800_probe(struct platform_device *pdev) |
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{ |
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struct snd_soc_card *card = &e800; |
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int ret; |
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gpiod_hp_amp = devm_gpiod_get(&pdev->dev, "Headphone amp", GPIOD_OUT_LOW); |
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ret = PTR_ERR_OR_ZERO(gpiod_hp_amp); |
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if (ret) |
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return ret; |
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gpiod_spk_amp = devm_gpiod_get(&pdev->dev, "Speaker amp", GPIOD_OUT_LOW); |
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ret = PTR_ERR_OR_ZERO(gpiod_spk_amp); |
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if (ret) |
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return ret; |
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card->dev = &pdev->dev; |
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ret = devm_snd_soc_register_card(&pdev->dev, card); |
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if (ret) |
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dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", |
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ret); |
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return ret; |
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} |
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static int e800_remove(struct platform_device *pdev) |
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{ |
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return 0; |
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} |
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static struct platform_driver e800_driver = { |
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.driver = { |
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.name = "e800-audio", |
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.pm = &snd_soc_pm_ops, |
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}, |
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.probe = e800_probe, |
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.remove = e800_remove, |
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}; |
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module_platform_driver(e800_driver); |
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/* Module information */ |
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MODULE_AUTHOR("Ian Molton <[email protected]>"); |
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MODULE_DESCRIPTION("ALSA SoC driver for e800"); |
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MODULE_LICENSE("GPL v2"); |
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MODULE_ALIAS("platform:e800-audio");
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