2019-05-29 01:10:04 +08:00
|
|
|
// SPDX-License-Identifier: GPL-2.0-only
|
2016-06-19 09:00:00 +08:00
|
|
|
/*
|
|
|
|
* tegra_sgtl5000.c - Tegra machine ASoC driver for boards using SGTL5000 codec
|
|
|
|
*
|
|
|
|
* Author: Marcel Ziswiler <marcel@ziswiler.com>
|
|
|
|
*
|
|
|
|
* Based on code copyright/by:
|
|
|
|
*
|
|
|
|
* Copyright (C) 2010-2012 - NVIDIA, Inc.
|
|
|
|
* (c) 2009, 2010 Nvidia Graphics Pvt. Ltd.
|
|
|
|
* Copyright 2007 Wolfson Microelectronics PLC.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#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/pcm.h>
|
|
|
|
#include <sound/pcm_params.h>
|
|
|
|
#include <sound/soc.h>
|
|
|
|
|
|
|
|
#include "../codecs/sgtl5000.h"
|
|
|
|
|
|
|
|
#include "tegra_asoc_utils.h"
|
|
|
|
|
|
|
|
#define DRV_NAME "tegra-snd-sgtl5000"
|
|
|
|
|
|
|
|
struct tegra_sgtl5000 {
|
|
|
|
struct tegra_asoc_utils_data util_data;
|
|
|
|
};
|
|
|
|
|
|
|
|
static int tegra_sgtl5000_hw_params(struct snd_pcm_substream *substream,
|
|
|
|
struct snd_pcm_hw_params *params)
|
|
|
|
{
|
2020-07-20 09:17:53 +08:00
|
|
|
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
|
2020-03-23 13:21:07 +08:00
|
|
|
struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
|
2016-06-19 09:00:00 +08:00
|
|
|
struct snd_soc_card *card = rtd->card;
|
|
|
|
struct tegra_sgtl5000 *machine = snd_soc_card_get_drvdata(card);
|
|
|
|
int srate, mclk;
|
|
|
|
int err;
|
|
|
|
|
|
|
|
srate = params_rate(params);
|
|
|
|
switch (srate) {
|
|
|
|
case 11025:
|
|
|
|
case 22050:
|
|
|
|
case 44100:
|
|
|
|
case 88200:
|
|
|
|
mclk = 11289600;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
mclk = 12288000;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
err = tegra_asoc_utils_set_rate(&machine->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, SGTL5000_SYSCLK, mclk,
|
|
|
|
SND_SOC_CLOCK_IN);
|
|
|
|
if (err < 0) {
|
|
|
|
dev_err(card->dev, "codec_dai clock not set\n");
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2016-10-15 22:55:51 +08:00
|
|
|
static const struct snd_soc_ops tegra_sgtl5000_ops = {
|
2016-06-19 09:00:00 +08:00
|
|
|
.hw_params = tegra_sgtl5000_hw_params,
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct snd_soc_dapm_widget tegra_sgtl5000_dapm_widgets[] = {
|
|
|
|
SND_SOC_DAPM_HP("Headphone Jack", NULL),
|
|
|
|
SND_SOC_DAPM_LINE("Line In Jack", NULL),
|
|
|
|
SND_SOC_DAPM_MIC("Mic Jack", NULL),
|
|
|
|
};
|
|
|
|
|
2019-06-06 12:18:51 +08:00
|
|
|
SND_SOC_DAILINK_DEFS(hifi,
|
|
|
|
DAILINK_COMP_ARRAY(COMP_EMPTY()),
|
2019-06-28 09:48:58 +08:00
|
|
|
DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "sgtl5000")),
|
|
|
|
DAILINK_COMP_ARRAY(COMP_EMPTY()));
|
2019-06-06 12:18:51 +08:00
|
|
|
|
2016-06-19 09:00:00 +08:00
|
|
|
static struct snd_soc_dai_link tegra_sgtl5000_dai = {
|
|
|
|
.name = "sgtl5000",
|
|
|
|
.stream_name = "HiFi",
|
|
|
|
.ops = &tegra_sgtl5000_ops,
|
|
|
|
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
|
|
|
|
SND_SOC_DAIFMT_CBS_CFS,
|
2019-06-06 12:18:51 +08:00
|
|
|
SND_SOC_DAILINK_REG(hifi),
|
2016-06-19 09:00:00 +08:00
|
|
|
};
|
|
|
|
|
|
|
|
static struct snd_soc_card snd_soc_tegra_sgtl5000 = {
|
|
|
|
.name = "tegra-sgtl5000",
|
|
|
|
.owner = THIS_MODULE,
|
|
|
|
.dai_link = &tegra_sgtl5000_dai,
|
|
|
|
.num_links = 1,
|
|
|
|
.dapm_widgets = tegra_sgtl5000_dapm_widgets,
|
|
|
|
.num_dapm_widgets = ARRAY_SIZE(tegra_sgtl5000_dapm_widgets),
|
|
|
|
.fully_routed = true,
|
|
|
|
};
|
|
|
|
|
|
|
|
static int tegra_sgtl5000_driver_probe(struct platform_device *pdev)
|
|
|
|
{
|
|
|
|
struct device_node *np = pdev->dev.of_node;
|
|
|
|
struct snd_soc_card *card = &snd_soc_tegra_sgtl5000;
|
|
|
|
struct tegra_sgtl5000 *machine;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
machine = devm_kzalloc(&pdev->dev, sizeof(struct tegra_sgtl5000),
|
|
|
|
GFP_KERNEL);
|
2017-02-25 19:18:08 +08:00
|
|
|
if (!machine)
|
2016-06-19 09:00:00 +08:00
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
card->dev = &pdev->dev;
|
|
|
|
snd_soc_card_set_drvdata(card, machine);
|
|
|
|
|
|
|
|
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;
|
|
|
|
|
2019-06-06 12:18:51 +08:00
|
|
|
tegra_sgtl5000_dai.codecs->of_node = of_parse_phandle(np,
|
2016-06-19 09:00:00 +08:00
|
|
|
"nvidia,audio-codec", 0);
|
2019-06-06 12:18:51 +08:00
|
|
|
if (!tegra_sgtl5000_dai.codecs->of_node) {
|
2016-06-19 09:00:00 +08:00
|
|
|
dev_err(&pdev->dev,
|
|
|
|
"Property 'nvidia,audio-codec' missing or invalid\n");
|
|
|
|
ret = -EINVAL;
|
|
|
|
goto err;
|
|
|
|
}
|
|
|
|
|
2019-06-06 12:18:51 +08:00
|
|
|
tegra_sgtl5000_dai.cpus->of_node = of_parse_phandle(np,
|
2016-06-19 09:00:00 +08:00
|
|
|
"nvidia,i2s-controller", 0);
|
2019-06-06 12:18:51 +08:00
|
|
|
if (!tegra_sgtl5000_dai.cpus->of_node) {
|
2016-06-19 09:00:00 +08:00
|
|
|
dev_err(&pdev->dev,
|
|
|
|
"Property 'nvidia,i2s-controller' missing/invalid\n");
|
|
|
|
ret = -EINVAL;
|
2018-10-16 18:47:29 +08:00
|
|
|
goto err_put_codec_of_node;
|
2016-06-19 09:00:00 +08:00
|
|
|
}
|
|
|
|
|
2019-06-28 09:48:58 +08:00
|
|
|
tegra_sgtl5000_dai.platforms->of_node = tegra_sgtl5000_dai.cpus->of_node;
|
|
|
|
|
2016-06-19 09:00:00 +08:00
|
|
|
ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev);
|
|
|
|
if (ret)
|
2018-10-16 18:47:29 +08:00
|
|
|
goto err_put_cpu_of_node;
|
2016-06-19 09:00:00 +08:00
|
|
|
|
|
|
|
ret = snd_soc_register_card(card);
|
|
|
|
if (ret) {
|
2020-11-11 18:32:45 +08:00
|
|
|
dev_err_probe(&pdev->dev, ret,
|
|
|
|
"snd_soc_register_card failed\n");
|
2020-01-14 15:24:17 +08:00
|
|
|
goto err_put_cpu_of_node;
|
2016-06-19 09:00:00 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
2018-10-16 18:47:29 +08:00
|
|
|
err_put_cpu_of_node:
|
2019-06-06 12:18:51 +08:00
|
|
|
of_node_put(tegra_sgtl5000_dai.cpus->of_node);
|
|
|
|
tegra_sgtl5000_dai.cpus->of_node = NULL;
|
2019-06-28 09:48:58 +08:00
|
|
|
tegra_sgtl5000_dai.platforms->of_node = NULL;
|
2018-10-16 18:47:29 +08:00
|
|
|
err_put_codec_of_node:
|
2019-06-06 12:18:51 +08:00
|
|
|
of_node_put(tegra_sgtl5000_dai.codecs->of_node);
|
|
|
|
tegra_sgtl5000_dai.codecs->of_node = NULL;
|
2016-06-19 09:00:00 +08:00
|
|
|
err:
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int tegra_sgtl5000_driver_remove(struct platform_device *pdev)
|
|
|
|
{
|
|
|
|
struct snd_soc_card *card = platform_get_drvdata(pdev);
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
ret = snd_soc_unregister_card(card);
|
|
|
|
|
2019-06-06 12:18:51 +08:00
|
|
|
of_node_put(tegra_sgtl5000_dai.cpus->of_node);
|
|
|
|
tegra_sgtl5000_dai.cpus->of_node = NULL;
|
2019-06-28 09:48:58 +08:00
|
|
|
tegra_sgtl5000_dai.platforms->of_node = NULL;
|
2019-06-06 12:18:51 +08:00
|
|
|
of_node_put(tegra_sgtl5000_dai.codecs->of_node);
|
|
|
|
tegra_sgtl5000_dai.codecs->of_node = NULL;
|
2018-10-16 18:47:29 +08:00
|
|
|
|
2016-06-19 09:00:00 +08:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static const struct of_device_id tegra_sgtl5000_of_match[] = {
|
|
|
|
{ .compatible = "nvidia,tegra-audio-sgtl5000", },
|
|
|
|
{ /* sentinel */ },
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct platform_driver tegra_sgtl5000_driver = {
|
|
|
|
.driver = {
|
|
|
|
.name = DRV_NAME,
|
|
|
|
.pm = &snd_soc_pm_ops,
|
|
|
|
.of_match_table = tegra_sgtl5000_of_match,
|
|
|
|
},
|
|
|
|
.probe = tegra_sgtl5000_driver_probe,
|
|
|
|
.remove = tegra_sgtl5000_driver_remove,
|
|
|
|
};
|
|
|
|
module_platform_driver(tegra_sgtl5000_driver);
|
|
|
|
|
|
|
|
MODULE_AUTHOR("Marcel Ziswiler <marcel@ziswiler.com>");
|
|
|
|
MODULE_DESCRIPTION("Tegra SGTL5000 machine ASoC driver");
|
|
|
|
MODULE_LICENSE("GPL v2");
|
|
|
|
MODULE_ALIAS("platform:" DRV_NAME);
|
|
|
|
MODULE_DEVICE_TABLE(of, tegra_sgtl5000_of_match);
|