mirror of
https://github.com/torvalds/linux.git
synced 2024-12-14 07:02:23 +00:00
27c6eaebcf
Use the dev_err_probe() helper, instead of open-coding the same operation. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://lore.kernel.org/r/20211214020843.2225831-21-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
219 lines
5.6 KiB
C
219 lines
5.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
//
|
|
// Copyright (c) 2014, Insignal Co., Ltd.
|
|
//
|
|
// Author: Claude <claude@insginal.co.kr>
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/of_device.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/clk.h>
|
|
|
|
#include <sound/soc.h>
|
|
#include <sound/soc-dapm.h>
|
|
#include <sound/pcm.h>
|
|
#include <sound/pcm_params.h>
|
|
|
|
#include "../codecs/wm8994.h"
|
|
#include "i2s.h"
|
|
|
|
static int arndale_rt5631_hw_params(struct snd_pcm_substream *substream,
|
|
struct snd_pcm_hw_params *params)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
|
|
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
|
|
struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
|
|
int rfs, ret;
|
|
unsigned long rclk;
|
|
|
|
rfs = 256;
|
|
|
|
rclk = params_rate(params) * rfs;
|
|
|
|
ret = snd_soc_dai_set_sysclk(cpu_dai, SAMSUNG_I2S_CDCLK,
|
|
0, SND_SOC_CLOCK_OUT);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = snd_soc_dai_set_sysclk(cpu_dai, SAMSUNG_I2S_RCLKSRC_0,
|
|
0, SND_SOC_CLOCK_OUT);
|
|
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = snd_soc_dai_set_sysclk(codec_dai, 0, rclk, SND_SOC_CLOCK_OUT);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct snd_soc_ops arndale_rt5631_ops = {
|
|
.hw_params = arndale_rt5631_hw_params,
|
|
};
|
|
|
|
static int arndale_wm1811_hw_params(struct snd_pcm_substream *substream,
|
|
struct snd_pcm_hw_params *params)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
|
|
struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
|
|
unsigned int rfs, rclk;
|
|
|
|
/* Ensure AIF1CLK is >= 3 MHz for optimal performance */
|
|
if (params_width(params) == 24)
|
|
rfs = 384;
|
|
else if (params_rate(params) == 8000 || params_rate(params) == 11025)
|
|
rfs = 512;
|
|
else
|
|
rfs = 256;
|
|
|
|
rclk = params_rate(params) * rfs;
|
|
|
|
/*
|
|
* We add 1 to the frequency value to ensure proper EPLL setting
|
|
* for each audio sampling rate (see epll_24mhz_tbl in drivers/clk/
|
|
* samsung/clk-exynos5250.c for list of available EPLL rates).
|
|
* The CODEC uses clk API and the value will be rounded hence the MCLK1
|
|
* clock's frequency will still be exact multiple of the sample rate.
|
|
*/
|
|
return snd_soc_dai_set_sysclk(codec_dai, WM8994_SYSCLK_MCLK1,
|
|
rclk + 1, SND_SOC_CLOCK_IN);
|
|
}
|
|
|
|
static const struct snd_soc_ops arndale_wm1811_ops = {
|
|
.hw_params = arndale_wm1811_hw_params,
|
|
};
|
|
|
|
SND_SOC_DAILINK_DEFS(rt5631_hifi,
|
|
DAILINK_COMP_ARRAY(COMP_EMPTY()),
|
|
DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5631-aif1")),
|
|
DAILINK_COMP_ARRAY(COMP_EMPTY()));
|
|
|
|
static struct snd_soc_dai_link arndale_rt5631_dai[] = {
|
|
{
|
|
.name = "RT5631 HiFi",
|
|
.stream_name = "Primary",
|
|
.dai_fmt = SND_SOC_DAIFMT_I2S
|
|
| SND_SOC_DAIFMT_NB_NF
|
|
| SND_SOC_DAIFMT_CBS_CFS,
|
|
.ops = &arndale_rt5631_ops,
|
|
SND_SOC_DAILINK_REG(rt5631_hifi),
|
|
},
|
|
};
|
|
|
|
SND_SOC_DAILINK_DEFS(wm1811_hifi,
|
|
DAILINK_COMP_ARRAY(COMP_EMPTY()),
|
|
DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8994-aif1")),
|
|
DAILINK_COMP_ARRAY(COMP_EMPTY()));
|
|
|
|
static struct snd_soc_dai_link arndale_wm1811_dai[] = {
|
|
{
|
|
.name = "WM1811 HiFi",
|
|
.stream_name = "Primary",
|
|
.dai_fmt = SND_SOC_DAIFMT_I2S
|
|
| SND_SOC_DAIFMT_NB_NF
|
|
| SND_SOC_DAIFMT_CBM_CFM,
|
|
.ops = &arndale_wm1811_ops,
|
|
SND_SOC_DAILINK_REG(wm1811_hifi),
|
|
},
|
|
};
|
|
|
|
static struct snd_soc_card arndale_rt5631 = {
|
|
.name = "Arndale RT5631",
|
|
.owner = THIS_MODULE,
|
|
.dai_link = arndale_rt5631_dai,
|
|
.num_links = ARRAY_SIZE(arndale_rt5631_dai),
|
|
};
|
|
|
|
static struct snd_soc_card arndale_wm1811 = {
|
|
.name = "Arndale WM1811",
|
|
.owner = THIS_MODULE,
|
|
.dai_link = arndale_wm1811_dai,
|
|
.num_links = ARRAY_SIZE(arndale_wm1811_dai),
|
|
};
|
|
|
|
static void arndale_put_of_nodes(struct snd_soc_card *card)
|
|
{
|
|
struct snd_soc_dai_link *dai_link;
|
|
int i;
|
|
|
|
for_each_card_prelinks(card, i, dai_link) {
|
|
of_node_put(dai_link->cpus->of_node);
|
|
of_node_put(dai_link->codecs->of_node);
|
|
}
|
|
}
|
|
|
|
static int arndale_audio_probe(struct platform_device *pdev)
|
|
{
|
|
struct device_node *np = pdev->dev.of_node;
|
|
struct snd_soc_card *card;
|
|
struct snd_soc_dai_link *dai_link;
|
|
int ret;
|
|
|
|
card = (struct snd_soc_card *)of_device_get_match_data(&pdev->dev);
|
|
card->dev = &pdev->dev;
|
|
dai_link = card->dai_link;
|
|
|
|
dai_link->cpus->of_node = of_parse_phandle(np, "samsung,audio-cpu", 0);
|
|
if (!dai_link->cpus->of_node) {
|
|
dev_err(&pdev->dev,
|
|
"Property 'samsung,audio-cpu' missing or invalid\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (!dai_link->platforms->name)
|
|
dai_link->platforms->of_node = dai_link->cpus->of_node;
|
|
|
|
dai_link->codecs->of_node = of_parse_phandle(np, "samsung,audio-codec", 0);
|
|
if (!dai_link->codecs->of_node) {
|
|
dev_err(&pdev->dev,
|
|
"Property 'samsung,audio-codec' missing or invalid\n");
|
|
ret = -EINVAL;
|
|
goto err_put_of_nodes;
|
|
}
|
|
|
|
ret = devm_snd_soc_register_card(card->dev, card);
|
|
if (ret) {
|
|
dev_err_probe(&pdev->dev, ret,
|
|
"snd_soc_register_card() failed\n");
|
|
goto err_put_of_nodes;
|
|
}
|
|
return 0;
|
|
|
|
err_put_of_nodes:
|
|
arndale_put_of_nodes(card);
|
|
return ret;
|
|
}
|
|
|
|
static int arndale_audio_remove(struct platform_device *pdev)
|
|
{
|
|
struct snd_soc_card *card = platform_get_drvdata(pdev);
|
|
|
|
arndale_put_of_nodes(card);
|
|
return 0;
|
|
}
|
|
|
|
static const struct of_device_id arndale_audio_of_match[] = {
|
|
{ .compatible = "samsung,arndale-rt5631", .data = &arndale_rt5631 },
|
|
{ .compatible = "samsung,arndale-alc5631", .data = &arndale_rt5631 },
|
|
{ .compatible = "samsung,arndale-wm1811", .data = &arndale_wm1811 },
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(of, arndale_audio_of_match);
|
|
|
|
static struct platform_driver arndale_audio_driver = {
|
|
.driver = {
|
|
.name = "arndale-audio",
|
|
.pm = &snd_soc_pm_ops,
|
|
.of_match_table = arndale_audio_of_match,
|
|
},
|
|
.probe = arndale_audio_probe,
|
|
.remove = arndale_audio_remove,
|
|
};
|
|
|
|
module_platform_driver(arndale_audio_driver);
|
|
|
|
MODULE_AUTHOR("Claude <claude@insignal.co.kr>");
|
|
MODULE_DESCRIPTION("ALSA SoC Driver for Arndale Board");
|
|
MODULE_LICENSE("GPL");
|