263 lines
6.7 KiB
C
263 lines
6.7 KiB
C
/*
|
|
* tegra_alc5632.c -- Toshiba AC100(PAZ00) machine ASoC driver
|
|
*
|
|
* Copyright (C) 2011 The AC100 Kernel Team <ac100@lists.lauchpad.net>
|
|
* Copyright (C) 2012 - NVIDIA, Inc.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/of_gpio.h>
|
|
|
|
#include <sound/core.h>
|
|
#include <sound/jack.h>
|
|
#include <sound/pcm.h>
|
|
#include <sound/pcm_params.h>
|
|
#include <sound/soc.h>
|
|
|
|
#include "../codecs/alc5632.h"
|
|
|
|
#include "tegra_asoc_utils.h"
|
|
|
|
#define DRV_NAME "tegra-alc5632"
|
|
|
|
struct tegra_alc5632 {
|
|
struct tegra_asoc_utils_data util_data;
|
|
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_card *card = rtd->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 const 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,
|
|
};
|
|
|
|
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)
|
|
{
|
|
int ret;
|
|
struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(rtd->card);
|
|
|
|
ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
|
|
SND_JACK_HEADSET,
|
|
&tegra_alc5632_hs_jack,
|
|
tegra_alc5632_hs_jack_pins,
|
|
ARRAY_SIZE(tegra_alc5632_hs_jack_pins));
|
|
if (ret)
|
|
return ret;
|
|
|
|
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);
|
|
}
|
|
|
|
snd_soc_dapm_force_enable_pin(&rtd->card->dapm, "MICBIAS1");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct snd_soc_dai_link tegra_alc5632_dai = {
|
|
.name = "ALC5632",
|
|
.stream_name = "ALC5632 PCM",
|
|
.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 int tegra_alc5632_probe(struct platform_device *pdev)
|
|
{
|
|
struct device_node *np = pdev->dev.of_node;
|
|
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)
|
|
return -ENOMEM;
|
|
|
|
card->dev = &pdev->dev;
|
|
snd_soc_card_set_drvdata(card, alc5632);
|
|
|
|
alc5632->gpio_hp_det = of_get_named_gpio(np, "nvidia,hp-det-gpios", 0);
|
|
if (alc5632->gpio_hp_det == -EPROBE_DEFER)
|
|
return -EPROBE_DEFER;
|
|
|
|
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_of_node = of_parse_phandle(np,
|
|
"nvidia,i2s-controller", 0);
|
|
if (!tegra_alc5632_dai.cpu_of_node) {
|
|
dev_err(&pdev->dev,
|
|
"Property 'nvidia,i2s-controller' missing or invalid\n");
|
|
ret = -EINVAL;
|
|
goto err_put_codec_of_node;
|
|
}
|
|
|
|
tegra_alc5632_dai.platform_of_node = tegra_alc5632_dai.cpu_of_node;
|
|
|
|
ret = tegra_asoc_utils_init(&alc5632->util_data, &pdev->dev);
|
|
if (ret)
|
|
goto err_put_cpu_of_node;
|
|
|
|
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_put_cpu_of_node:
|
|
of_node_put(tegra_alc5632_dai.cpu_of_node);
|
|
tegra_alc5632_dai.cpu_of_node = NULL;
|
|
tegra_alc5632_dai.platform_of_node = NULL;
|
|
err_put_codec_of_node:
|
|
of_node_put(tegra_alc5632_dai.codec_of_node);
|
|
tegra_alc5632_dai.codec_of_node = NULL;
|
|
err:
|
|
return ret;
|
|
}
|
|
|
|
static int 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);
|
|
|
|
snd_soc_unregister_card(card);
|
|
|
|
tegra_asoc_utils_fini(&machine->util_data);
|
|
|
|
of_node_put(tegra_alc5632_dai.cpu_of_node);
|
|
tegra_alc5632_dai.cpu_of_node = NULL;
|
|
tegra_alc5632_dai.platform_of_node = NULL;
|
|
of_node_put(tegra_alc5632_dai.codec_of_node);
|
|
tegra_alc5632_dai.codec_of_node = NULL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct of_device_id tegra_alc5632_of_match[] = {
|
|
{ .compatible = "nvidia,tegra-audio-alc5632", },
|
|
{},
|
|
};
|
|
|
|
static struct platform_driver tegra_alc5632_driver = {
|
|
.driver = {
|
|
.name = DRV_NAME,
|
|
.pm = &snd_soc_pm_ops,
|
|
.of_match_table = tegra_alc5632_of_match,
|
|
},
|
|
.probe = tegra_alc5632_probe,
|
|
.remove = tegra_alc5632_remove,
|
|
};
|
|
module_platform_driver(tegra_alc5632_driver);
|
|
|
|
MODULE_AUTHOR("Leon Romanovsky <leon@leon.nu>");
|
|
MODULE_DESCRIPTION("Tegra+ALC5632 machine ASoC driver");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_ALIAS("platform:" DRV_NAME);
|
|
MODULE_DEVICE_TABLE(of, tegra_alc5632_of_match);
|