/* * tegra_alc5632.c -- Toshiba AC100(PAZ00) machine ASoC driver * * Copyright (C) 2011 The AC100 Kernel Team * * Authors: Leon Romanovsky * Andrey Danin * Marc Dietrich * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include #include #include #include #include #include #include #include #include #include #include #include "../codecs/alc5632.h" #include "tegra_das.h" #include "tegra_i2s.h" #include "tegra_pcm.h" #include "tegra_asoc_utils.h" #define DRV_NAME "tegra-alc5632" #define GPIO_HP_DET BIT(0) struct tegra_alc5632 { struct tegra_asoc_utils_data util_data; struct platform_device *pcm_dev; int gpio_requested; int gpio_hp_det; }; static int tegra_alc5632_asoc_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *codec_dai = rtd->codec_dai; struct snd_soc_codec *codec = rtd->codec; struct snd_soc_card *card = codec->card; struct tegra_alc5632 *alc5632 = snd_soc_card_get_drvdata(card); int srate, mclk; int err; srate = params_rate(params); mclk = 512 * srate; err = tegra_asoc_utils_set_rate(&alc5632->util_data, srate, mclk); if (err < 0) { dev_err(card->dev, "Can't configure clocks\n"); return err; } err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, SND_SOC_CLOCK_IN); if (err < 0) { dev_err(card->dev, "codec_dai clock not set\n"); return err; } return 0; } static struct snd_soc_ops tegra_alc5632_asoc_ops = { .hw_params = tegra_alc5632_asoc_hw_params, }; static struct snd_soc_jack tegra_alc5632_hs_jack; static struct snd_soc_jack_pin tegra_alc5632_hs_jack_pins[] = { { .pin = "Headset Mic", .mask = SND_JACK_MICROPHONE, }, { .pin = "Headset Stereophone", .mask = SND_JACK_HEADPHONE, }, }; static struct snd_soc_jack_gpio tegra_alc5632_hp_jack_gpio = { .name = "Headset detection", .report = SND_JACK_HEADSET, .debounce_time = 150, .invert = 1, }; static const struct snd_soc_dapm_widget tegra_alc5632_dapm_widgets[] = { SND_SOC_DAPM_SPK("Int Spk", NULL), SND_SOC_DAPM_HP("Headset Stereophone", NULL), SND_SOC_DAPM_MIC("Headset Mic", NULL), SND_SOC_DAPM_MIC("Digital Mic", NULL), }; static const struct snd_kcontrol_new tegra_alc5632_controls[] = { SOC_DAPM_PIN_SWITCH("Int Spk"), }; static int tegra_alc5632_asoc_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_codec *codec = rtd->codec; struct snd_soc_dapm_context *dapm = &codec->dapm; struct device_node *np = codec->card->dev->of_node; struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(codec->card); int ret; snd_soc_jack_new(codec, "Headset Jack", SND_JACK_HEADSET, &tegra_alc5632_hs_jack); snd_soc_jack_add_pins(&tegra_alc5632_hs_jack, ARRAY_SIZE(tegra_alc5632_hs_jack_pins), tegra_alc5632_hs_jack_pins); machine->gpio_hp_det = of_get_named_gpio(np, "nvidia,hp-det-gpios", 0); if (gpio_is_valid(machine->gpio_hp_det)) { tegra_alc5632_hp_jack_gpio.gpio = machine->gpio_hp_det; snd_soc_jack_add_gpios(&tegra_alc5632_hs_jack, 1, &tegra_alc5632_hp_jack_gpio); machine->gpio_requested |= GPIO_HP_DET; } snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1"); return 0; } static struct snd_soc_dai_link tegra_alc5632_dai = { .name = "ALC5632", .stream_name = "ALC5632 PCM", .platform_name = "tegra-pcm-audio", .codec_dai_name = "alc5632-hifi", .init = tegra_alc5632_asoc_init, .ops = &tegra_alc5632_asoc_ops, .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS, }; static struct snd_soc_card snd_soc_tegra_alc5632 = { .name = "tegra-alc5632", .owner = THIS_MODULE, .dai_link = &tegra_alc5632_dai, .num_links = 1, .controls = tegra_alc5632_controls, .num_controls = ARRAY_SIZE(tegra_alc5632_controls), .dapm_widgets = tegra_alc5632_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(tegra_alc5632_dapm_widgets), .fully_routed = true, }; static __devinit int tegra_alc5632_probe(struct platform_device *pdev) { struct snd_soc_card *card = &snd_soc_tegra_alc5632; struct tegra_alc5632 *alc5632; int ret; alc5632 = devm_kzalloc(&pdev->dev, sizeof(struct tegra_alc5632), GFP_KERNEL); if (!alc5632) { dev_err(&pdev->dev, "Can't allocate tegra_alc5632\n"); ret = -ENOMEM; goto err; } card->dev = &pdev->dev; platform_set_drvdata(pdev, card); snd_soc_card_set_drvdata(card, alc5632); alc5632->pcm_dev = ERR_PTR(-EINVAL); if (!(pdev->dev.of_node)) { dev_err(&pdev->dev, "Must be instantiated using device tree\n"); ret = -EINVAL; goto err; } ret = snd_soc_of_parse_card_name(card, "nvidia,model"); if (ret) goto err; ret = snd_soc_of_parse_audio_routing(card, "nvidia,audio-routing"); if (ret) goto err; tegra_alc5632_dai.codec_of_node = of_parse_phandle( pdev->dev.of_node, "nvidia,audio-codec", 0); if (!tegra_alc5632_dai.codec_of_node) { dev_err(&pdev->dev, "Property 'nvidia,audio-codec' missing or invalid\n"); ret = -EINVAL; goto err; } tegra_alc5632_dai.cpu_dai_of_node = of_parse_phandle( pdev->dev.of_node, "nvidia,i2s-controller", 0); if (!tegra_alc5632_dai.cpu_dai_of_node) { dev_err(&pdev->dev, "Property 'nvidia,i2s-controller' missing or invalid\n"); ret = -EINVAL; goto err; } alc5632->pcm_dev = platform_device_register_simple( "tegra-pcm-audio", -1, NULL, 0); if (IS_ERR(alc5632->pcm_dev)) { dev_err(&pdev->dev, "Can't instantiate tegra-pcm-audio\n"); ret = PTR_ERR(alc5632->pcm_dev); goto err; } ret = tegra_asoc_utils_init(&alc5632->util_data, &pdev->dev); if (ret) goto err_unregister; ret = snd_soc_register_card(card); if (ret) { dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret); goto err_fini_utils; } return 0; err_fini_utils: tegra_asoc_utils_fini(&alc5632->util_data); err_unregister: if (!IS_ERR(alc5632->pcm_dev)) platform_device_unregister(alc5632->pcm_dev); err: return ret; } static int __devexit tegra_alc5632_remove(struct platform_device *pdev) { struct snd_soc_card *card = platform_get_drvdata(pdev); struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(card); if (machine->gpio_requested & GPIO_HP_DET) snd_soc_jack_free_gpios(&tegra_alc5632_hs_jack, 1, &tegra_alc5632_hp_jack_gpio); machine->gpio_requested = 0; snd_soc_unregister_card(card); tegra_asoc_utils_fini(&machine->util_data); if (!IS_ERR(machine->pcm_dev)) platform_device_unregister(machine->pcm_dev); return 0; } static const struct of_device_id tegra_alc5632_of_match[] __devinitconst = { { .compatible = "nvidia,tegra-audio-alc5632", }, {}, }; static struct platform_driver tegra_alc5632_driver = { .driver = { .name = DRV_NAME, .owner = THIS_MODULE, .pm = &snd_soc_pm_ops, .of_match_table = tegra_alc5632_of_match, }, .probe = tegra_alc5632_probe, .remove = __devexit_p(tegra_alc5632_remove), }; module_platform_driver(tegra_alc5632_driver); MODULE_AUTHOR("Leon Romanovsky "); MODULE_DESCRIPTION("Tegra+ALC5632 machine ASoC driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:" DRV_NAME); MODULE_DEVICE_TABLE(of, tegra_alc5632_of_match);