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Leon Romanovsky
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Mark Brown
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refs/heads/master: 58fa8e456c8e8329fe829994202b43286eb0de3f | ||
refs/heads/master: 58783faf281559379871d85faf2ef53e97d075e0 |
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/* | ||
* tegra_alc5632.c -- Toshiba AC100(PAZ00) machine ASoC driver | ||
* | ||
* Copyright (C) 2011 The AC100 Kernel Team <ac100@lists.lauchpad.net> | ||
* | ||
* Authors: Leon Romanovsky <leon@leon.nu> | ||
* Andrey Danin <danindrey@mail.ru> | ||
* Marc Dietrich <marvin24@gmx.de> | ||
* | ||
* 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. | ||
*/ | ||
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#include <asm/mach-types.h> | ||
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#include <linux/module.h> | ||
#include <linux/platform_device.h> | ||
#include <linux/slab.h> | ||
#include <linux/gpio.h> | ||
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#include <sound/core.h> | ||
#include <sound/jack.h> | ||
#include <sound/pcm.h> | ||
#include <sound/pcm_params.h> | ||
#include <sound/soc.h> | ||
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#include "../codecs/alc5632.h" | ||
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#include "tegra_das.h" | ||
#include "tegra_i2s.h" | ||
#include "tegra_pcm.h" | ||
#include "tegra_asoc_utils.h" | ||
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#define DRV_NAME "tegra-alc5632" | ||
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struct tegra_alc5632 { | ||
struct tegra_asoc_utils_data util_data; | ||
}; | ||
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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; | ||
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srate = params_rate(params); | ||
mclk = 512 * srate; | ||
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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; | ||
} | ||
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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; | ||
} | ||
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return 0; | ||
} | ||
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static struct snd_soc_ops tegra_alc5632_asoc_ops = { | ||
.hw_params = tegra_alc5632_asoc_hw_params, | ||
}; | ||
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static struct snd_soc_jack tegra_alc5632_hs_jack; | ||
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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, | ||
}, | ||
}; | ||
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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), | ||
}; | ||
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static const struct snd_soc_dapm_route tegra_alc5632_audio_map[] = { | ||
/* Internal Speaker */ | ||
{"Int Spk", NULL, "SPKOUT"}, | ||
{"Int Spk", NULL, "SPKOUTN"}, | ||
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/* Headset Mic */ | ||
{"MIC1", NULL, "MICBIAS1"}, | ||
{"MICBIAS1", NULL, "Headset Mic"}, | ||
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/* Headset Stereophone */ | ||
{"Headset Stereophone", NULL, "HPR"}, | ||
{"Headset Stereophone", NULL, "HPL"}, | ||
}; | ||
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static const struct snd_kcontrol_new tegra_alc5632_controls[] = { | ||
SOC_DAPM_PIN_SWITCH("Int Spk"), | ||
}; | ||
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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; | ||
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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); | ||
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snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1"); | ||
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return 0; | ||
} | ||
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static struct snd_soc_dai_link tegra_alc5632_dai = { | ||
.name = "ALC5632", | ||
.stream_name = "ALC5632 PCM", | ||
.codec_name = "alc5632.0-001e", | ||
.platform_name = "tegra-pcm-audio", | ||
.cpu_dai_name = "tegra-i2s.0", | ||
.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, | ||
}; | ||
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static struct snd_soc_card snd_soc_tegra_alc5632 = { | ||
.name = "tegra-alc5632", | ||
.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), | ||
.dapm_routes = tegra_alc5632_audio_map, | ||
.num_dapm_routes = ARRAY_SIZE(tegra_alc5632_audio_map), | ||
.fully_routed = true, | ||
}; | ||
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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; | ||
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alc5632 = devm_kzalloc(&pdev->dev, | ||
sizeof(struct tegra_alc5632), GFP_KERNEL); | ||
if (!alc5632) { | ||
dev_err(&pdev->dev, "Can't allocate tegra_alc5632\n"); | ||
return -ENOMEM; | ||
} | ||
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ret = tegra_asoc_utils_init(&alc5632->util_data, &pdev->dev); | ||
if (ret) | ||
return ret; | ||
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card->dev = &pdev->dev; | ||
platform_set_drvdata(pdev, card); | ||
snd_soc_card_set_drvdata(card, alc5632); | ||
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ret = snd_soc_register_card(card); | ||
if (ret) { | ||
dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", | ||
ret); | ||
tegra_asoc_utils_fini(&alc5632->util_data); | ||
return ret; | ||
} | ||
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return 0; | ||
} | ||
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static int __devexit tegra_alc5632_remove(struct platform_device *pdev) | ||
{ | ||
struct snd_soc_card *card = platform_get_drvdata(pdev); | ||
struct tegra_alc5632 *alc5632 = snd_soc_card_get_drvdata(card); | ||
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snd_soc_unregister_card(card); | ||
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tegra_asoc_utils_fini(&alc5632->util_data); | ||
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return 0; | ||
} | ||
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static struct platform_driver tegra_alc5632_driver = { | ||
.driver = { | ||
.name = DRV_NAME, | ||
.owner = THIS_MODULE, | ||
.pm = &snd_soc_pm_ops, | ||
}, | ||
.probe = tegra_alc5632_probe, | ||
.remove = __devexit_p(tegra_alc5632_remove), | ||
}; | ||
module_platform_driver(tegra_alc5632_driver); | ||
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MODULE_AUTHOR("Leon Romanovsky <leon@leon.nu>"); | ||
MODULE_DESCRIPTION("Tegra+ALC5632 machine ASoC driver"); | ||
MODULE_LICENSE("GPL"); | ||
MODULE_ALIAS("platform:" DRV_NAME); |