| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * linux/sound/soc/pxa/palm27x.c |
| * |
| * SoC Audio driver for Palm T|X, T5 and LifeDrive |
| * |
| * based on tosa.c |
| * |
| * Copyright (C) 2008 Marek Vasut <marek.vasut@gmail.com> |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/moduleparam.h> |
| #include <linux/device.h> |
| #include <linux/gpio.h> |
| |
| #include <sound/core.h> |
| #include <sound/pcm.h> |
| #include <sound/soc.h> |
| #include <sound/jack.h> |
| |
| #include <asm/mach-types.h> |
| #include <mach/audio.h> |
| #include <linux/platform_data/asoc-palm27x.h> |
| |
| static struct snd_soc_jack hs_jack; |
| |
| /* Headphones jack detection DAPM pins */ |
| static struct snd_soc_jack_pin hs_jack_pins[] = { |
| { |
| .pin = "Headphone Jack", |
| .mask = SND_JACK_HEADPHONE, |
| }, |
| }; |
| |
| /* Headphones jack detection gpios */ |
| static struct snd_soc_jack_gpio hs_jack_gpios[] = { |
| [0] = { |
| /* gpio is set on per-platform basis */ |
| .name = "hp-gpio", |
| .report = SND_JACK_HEADPHONE, |
| .debounce_time = 200, |
| }, |
| }; |
| |
| /* Palm27x machine dapm widgets */ |
| static const struct snd_soc_dapm_widget palm27x_dapm_widgets[] = { |
| SND_SOC_DAPM_HP("Headphone Jack", NULL), |
| SND_SOC_DAPM_SPK("Ext. Speaker", NULL), |
| SND_SOC_DAPM_MIC("Ext. Microphone", NULL), |
| }; |
| |
| /* PalmTX audio map */ |
| static const struct snd_soc_dapm_route audio_map[] = { |
| /* headphone connected to HPOUTL, HPOUTR */ |
| {"Headphone Jack", NULL, "HPOUTL"}, |
| {"Headphone Jack", NULL, "HPOUTR"}, |
| |
| /* ext speaker connected to ROUT2, LOUT2 */ |
| {"Ext. Speaker", NULL, "LOUT2"}, |
| {"Ext. Speaker", NULL, "ROUT2"}, |
| |
| /* mic connected to MIC1 */ |
| {"MIC1", NULL, "Ext. Microphone"}, |
| }; |
| |
| static struct snd_soc_card palm27x_asoc; |
| |
| static int palm27x_ac97_init(struct snd_soc_pcm_runtime *rtd) |
| { |
| int err; |
| |
| /* Jack detection API stuff */ |
| err = snd_soc_card_jack_new(rtd->card, "Headphone Jack", |
| SND_JACK_HEADPHONE, &hs_jack, hs_jack_pins, |
| ARRAY_SIZE(hs_jack_pins)); |
| if (err) |
| return err; |
| |
| err = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios), |
| hs_jack_gpios); |
| |
| return err; |
| } |
| |
| static struct snd_soc_dai_link palm27x_dai[] = { |
| { |
| .name = "AC97 HiFi", |
| .stream_name = "AC97 HiFi", |
| .cpu_dai_name = "pxa2xx-ac97", |
| .codec_dai_name = "wm9712-hifi", |
| .codec_name = "wm9712-codec", |
| .platform_name = "pxa-pcm-audio", |
| .init = palm27x_ac97_init, |
| }, |
| { |
| .name = "AC97 Aux", |
| .stream_name = "AC97 Aux", |
| .cpu_dai_name = "pxa2xx-ac97-aux", |
| .codec_dai_name = "wm9712-aux", |
| .codec_name = "wm9712-codec", |
| .platform_name = "pxa-pcm-audio", |
| }, |
| }; |
| |
| static struct snd_soc_card palm27x_asoc = { |
| .name = "Palm/PXA27x", |
| .owner = THIS_MODULE, |
| .dai_link = palm27x_dai, |
| .num_links = ARRAY_SIZE(palm27x_dai), |
| .dapm_widgets = palm27x_dapm_widgets, |
| .num_dapm_widgets = ARRAY_SIZE(palm27x_dapm_widgets), |
| .dapm_routes = audio_map, |
| .num_dapm_routes = ARRAY_SIZE(audio_map), |
| .fully_routed = true, |
| }; |
| |
| static int palm27x_asoc_probe(struct platform_device *pdev) |
| { |
| int ret; |
| |
| if (!(machine_is_palmtx() || machine_is_palmt5() || |
| machine_is_palmld() || machine_is_palmte2())) |
| return -ENODEV; |
| |
| if (!pdev->dev.platform_data) { |
| dev_err(&pdev->dev, "please supply platform_data\n"); |
| return -ENODEV; |
| } |
| |
| hs_jack_gpios[0].gpio = ((struct palm27x_asoc_info *) |
| (pdev->dev.platform_data))->jack_gpio; |
| |
| palm27x_asoc.dev = &pdev->dev; |
| |
| ret = devm_snd_soc_register_card(&pdev->dev, &palm27x_asoc); |
| if (ret) |
| dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", |
| ret); |
| return ret; |
| } |
| |
| static struct platform_driver palm27x_wm9712_driver = { |
| .probe = palm27x_asoc_probe, |
| .driver = { |
| .name = "palm27x-asoc", |
| .pm = &snd_soc_pm_ops, |
| }, |
| }; |
| |
| module_platform_driver(palm27x_wm9712_driver); |
| |
| /* Module information */ |
| MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>"); |
| MODULE_DESCRIPTION("ALSA SoC Palm T|X, T5 and LifeDrive"); |
| MODULE_LICENSE("GPL"); |
| MODULE_ALIAS("platform:palm27x-asoc"); |