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162 lines
3.9 KiB
162 lines
3.9 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* linux/sound/soc/pxa/palm27x.c |
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* |
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* SoC Audio driver for Palm T|X, T5 and LifeDrive |
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* |
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* based on tosa.c |
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* |
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* Copyright (C) 2008 Marek Vasut <[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/device.h> |
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#include <linux/gpio.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 <sound/jack.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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#include <linux/platform_data/asoc-palm27x.h> |
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static struct snd_soc_jack hs_jack; |
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/* Headphones jack detection DAPM pins */ |
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static struct snd_soc_jack_pin hs_jack_pins[] = { |
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{ |
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.pin = "Headphone Jack", |
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.mask = SND_JACK_HEADPHONE, |
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}, |
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}; |
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/* Headphones jack detection gpios */ |
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static struct snd_soc_jack_gpio hs_jack_gpios[] = { |
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[0] = { |
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/* gpio is set on per-platform basis */ |
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.name = "hp-gpio", |
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.report = SND_JACK_HEADPHONE, |
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.debounce_time = 200, |
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}, |
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}; |
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/* Palm27x machine dapm widgets */ |
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static const struct snd_soc_dapm_widget palm27x_dapm_widgets[] = { |
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SND_SOC_DAPM_HP("Headphone Jack", NULL), |
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SND_SOC_DAPM_SPK("Ext. Speaker", NULL), |
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SND_SOC_DAPM_MIC("Ext. Microphone", NULL), |
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}; |
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/* PalmTX audio map */ |
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static const struct snd_soc_dapm_route audio_map[] = { |
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/* headphone connected to HPOUTL, HPOUTR */ |
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{"Headphone Jack", NULL, "HPOUTL"}, |
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{"Headphone Jack", NULL, "HPOUTR"}, |
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/* ext speaker connected to ROUT2, LOUT2 */ |
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{"Ext. Speaker", NULL, "LOUT2"}, |
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{"Ext. Speaker", NULL, "ROUT2"}, |
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/* mic connected to MIC1 */ |
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{"MIC1", NULL, "Ext. Microphone"}, |
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}; |
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static struct snd_soc_card palm27x_asoc; |
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static int palm27x_ac97_init(struct snd_soc_pcm_runtime *rtd) |
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{ |
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int err; |
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/* Jack detection API stuff */ |
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err = snd_soc_card_jack_new_pins(rtd->card, "Headphone Jack", |
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SND_JACK_HEADPHONE, &hs_jack, |
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hs_jack_pins, |
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ARRAY_SIZE(hs_jack_pins)); |
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if (err) |
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return err; |
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err = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios), |
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hs_jack_gpios); |
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return err; |
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} |
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SND_SOC_DAILINK_DEFS(hifi, |
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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(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 palm27x_dai[] = { |
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{ |
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.name = "AC97 HiFi", |
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.stream_name = "AC97 HiFi", |
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.init = palm27x_ac97_init, |
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SND_SOC_DAILINK_REG(hifi), |
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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(aux), |
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}, |
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}; |
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static struct snd_soc_card palm27x_asoc = { |
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.name = "Palm/PXA27x", |
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.owner = THIS_MODULE, |
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.dai_link = palm27x_dai, |
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.num_links = ARRAY_SIZE(palm27x_dai), |
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.dapm_widgets = palm27x_dapm_widgets, |
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.num_dapm_widgets = ARRAY_SIZE(palm27x_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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.fully_routed = true, |
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}; |
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static int palm27x_asoc_probe(struct platform_device *pdev) |
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{ |
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int ret; |
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if (!(machine_is_palmtx() || machine_is_palmt5() || |
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machine_is_palmld() || machine_is_palmte2())) |
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return -ENODEV; |
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if (!pdev->dev.platform_data) { |
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dev_err(&pdev->dev, "please supply platform_data\n"); |
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return -ENODEV; |
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} |
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hs_jack_gpios[0].gpio = ((struct palm27x_asoc_info *) |
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(pdev->dev.platform_data))->jack_gpio; |
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palm27x_asoc.dev = &pdev->dev; |
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ret = devm_snd_soc_register_card(&pdev->dev, &palm27x_asoc); |
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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 struct platform_driver palm27x_wm9712_driver = { |
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.probe = palm27x_asoc_probe, |
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.driver = { |
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.name = "palm27x-asoc", |
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.pm = &snd_soc_pm_ops, |
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}, |
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}; |
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module_platform_driver(palm27x_wm9712_driver); |
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/* Module information */ |
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MODULE_AUTHOR("Marek Vasut <[email protected]>"); |
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MODULE_DESCRIPTION("ALSA SoC Palm T|X, T5 and LifeDrive"); |
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MODULE_LICENSE("GPL"); |
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MODULE_ALIAS("platform:palm27x-asoc");
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