- 根目录:
- sound
- soc
- mediatek
- mt8173-rt5650-rt5676.c
/*
* mt8173-rt5650-rt5676.c -- MT8173 machine driver with RT5650/5676 codecs
*
* Copyright (c) 2015 MediaTek Inc.
* Author: Koro Chen <koro.chen@mediatek.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/module.h>
#include <linux/gpio.h>
#include <linux/of_gpio.h>
#include <sound/soc.h>
#include <sound/jack.h>
#include "../codecs/rt5645.h"
#include "../codecs/rt5677.h"
#define MCLK_FOR_CODECS 12288000
static const struct snd_soc_dapm_widget mt8173_rt5650_rt5676_widgets[] = {
SND_SOC_DAPM_SPK("Speaker", NULL),
SND_SOC_DAPM_MIC("Int Mic", NULL),
SND_SOC_DAPM_HP("Headphone", NULL),
SND_SOC_DAPM_MIC("Headset Mic", NULL),
};
static const struct snd_soc_dapm_route mt8173_rt5650_rt5676_routes[] = {
{"Speaker", NULL, "SPOL"},
{"Speaker", NULL, "SPOR"},
{"Speaker", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650 */
{"Sub DMIC L1", NULL, "Int Mic"}, /* DMIC from 5676 */
{"Sub DMIC R1", NULL, "Int Mic"},
{"Headphone", NULL, "HPOL"},
{"Headphone", NULL, "HPOR"},
{"Headphone", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650 */
{"Headset Mic", NULL, "micbias1"},
{"Headset Mic", NULL, "micbias2"},
{"IN1P", NULL, "Headset Mic"},
{"IN1N", NULL, "Headset Mic"},
{"Sub AIF2RX", NULL, "Headset Mic"}, /* IF2 DAC from 5650 */
};
static const struct snd_kcontrol_new mt8173_rt5650_rt5676_controls[] = {
SOC_DAPM_PIN_SWITCH("Speaker"),
SOC_DAPM_PIN_SWITCH("Int Mic"),
SOC_DAPM_PIN_SWITCH("Headphone"),
SOC_DAPM_PIN_SWITCH("Headset Mic"),
};
static int mt8173_rt5650_rt5676_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
int i, ret;
for (i = 0; i < rtd->num_codecs; i++) {
struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
/* pll from mclk 12.288M */
ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
params_rate(params) * 512);
if (ret)
return ret;
/* sysclk from pll */
ret = snd_soc_dai_set_sysclk(codec_dai, 1,
params_rate(params) * 512,
SND_SOC_CLOCK_IN);
if (ret)
return ret;
}
return 0;
}
static struct snd_soc_ops mt8173_rt5650_rt5676_ops = {
.hw_params = mt8173_rt5650_rt5676_hw_params,
};
static struct snd_soc_jack mt8173_rt5650_rt5676_jack;
static int mt8173_rt5650_rt5676_init(struct snd_soc_pcm_runtime *runtime)
{
struct snd_soc_card *card = runtime->card;
struct snd_soc_codec *codec = runtime->codec_dais[0]->codec;
struct snd_soc_codec *codec_sub = runtime->codec_dais[1]->codec;
int ret;
rt5645_sel_asrc_clk_src(codec,
RT5645_DA_STEREO_FILTER |
RT5645_AD_STEREO_FILTER,
RT5645_CLK_SEL_I2S1_ASRC);
rt5677_sel_asrc_clk_src(codec_sub,
RT5677_DA_STEREO_FILTER |
RT5677_AD_STEREO1_FILTER,
RT5677_CLK_SEL_I2S1_ASRC);
rt5677_sel_asrc_clk_src(codec_sub,
RT5677_AD_STEREO2_FILTER |
RT5677_I2S2_SOURCE,
RT5677_CLK_SEL_I2S2_ASRC);
/* enable jack detection */
ret = snd_soc_card_jack_new(card, "Headset Jack",
SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
SND_JACK_BTN_0 | SND_JACK_BTN_1 |
SND_JACK_BTN_2 | SND_JACK_BTN_3,
&mt8173_rt5650_rt5676_jack, NULL, 0);
if (ret) {
dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
return ret;
}
return rt5645_set_jack_detect(codec,
&mt8173_rt5650_rt5676_jack,
&mt8173_rt5650_rt5676_jack,
&mt8173_rt5650_rt5676_jack);
}
static struct snd_soc_dai_link_component mt8173_rt5650_rt5676_codecs[] = {
{
.dai_name = "rt5645-aif1",
},
{
.dai_name = "rt5677-aif1",
},
};
/* Digital audio interface glue - connects codec <---> CPU */
static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = {
/* Front End DAI links */
{
.name = "rt5650_rt5676 Playback",
.stream_name = "rt5650_rt5676 Playback",
.cpu_dai_name = "DL1",
.codec_name = "snd-soc-dummy",
.codec_dai_name = "snd-soc-dummy-dai",
.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.dynamic = 1,
.dpcm_playback = 1,
},
{
.name = "rt5650_rt5676 Capture",
.stream_name = "rt5650_rt5676 Capture",
.cpu_dai_name = "VUL",
.codec_name = "snd-soc-dummy",
.codec_dai_name = "snd-soc-dummy-dai",
.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
.dynamic = 1,
.dpcm_capture = 1,
},
/* Back End DAI links */
{
.name = "Codec",
.cpu_dai_name = "I2S",
.no_pcm = 1,
.codecs = mt8173_rt5650_rt5676_codecs,
.num_codecs = 2,
.init = mt8173_rt5650_rt5676_init,
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
.ops = &mt8173_rt5650_rt5676_ops,
.ignore_pmdown_time = 1,
.dpcm_playback = 1,
.dpcm_capture = 1,
},
{ /* rt5676 <-> rt5650 intercodec link: Sets rt5676 I2S2 as master */
.name = "rt5650_rt5676 intercodec",
.stream_name = "rt5650_rt5676 intercodec",
.cpu_dai_name = "snd-soc-dummy-dai",
.platform_name = "snd-soc-dummy",
.no_pcm = 1,
.codec_dai_name = "rt5677-aif2",
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBM_CFM,
},
};
static struct snd_soc_codec_conf mt8173_rt5650_rt5676_codec_conf[] = {
{
.name_prefix = "Sub",
},
};
static struct snd_soc_card mt8173_rt5650_rt5676_card = {
.name = "mtk-rt5650-rt5676",
.owner = THIS_MODULE,
.dai_link = mt8173_rt5650_rt5676_dais,
.num_links = ARRAY_SIZE(mt8173_rt5650_rt5676_dais),
.codec_conf = mt8173_rt5650_rt5676_codec_conf,
.num_configs = ARRAY_SIZE(mt8173_rt5650_rt5676_codec_conf),
.controls = mt8173_rt5650_rt5676_controls,
.num_controls = ARRAY_SIZE(mt8173_rt5650_rt5676_controls),
.dapm_widgets = mt8173_rt5650_rt5676_widgets,
.num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5676_widgets),
.dapm_routes = mt8173_rt5650_rt5676_routes,
.num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5676_routes),
};
static int mt8173_rt5650_rt5676_dev_probe(struct platform_device *pdev)
{
struct snd_soc_card *card = &mt8173_rt5650_rt5676_card;
struct device_node *platform_node;
int i, ret;
platform_node = of_parse_phandle(pdev->dev.of_node,
"mediatek,platform", 0);
if (!platform_node) {
dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
return -EINVAL;
}
for (i = 0; i < card->num_links; i++) {
if (mt8173_rt5650_rt5676_dais[i].platform_name)
continue;
mt8173_rt5650_rt5676_dais[i].platform_of_node = platform_node;
}
mt8173_rt5650_rt5676_codecs[0].of_node =
of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
if (!mt8173_rt5650_rt5676_codecs[0].of_node) {
dev_err(&pdev->dev,
"Property 'audio-codec' missing or invalid\n");
return -EINVAL;
}
mt8173_rt5650_rt5676_codecs[1].of_node =
of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
if (!mt8173_rt5650_rt5676_codecs[1].of_node) {
dev_err(&pdev->dev,
"Property 'audio-codec' missing or invalid\n");
return -EINVAL;
}
mt8173_rt5650_rt5676_codec_conf[0].of_node =
mt8173_rt5650_rt5676_codecs[1].of_node;
mt8173_rt5650_rt5676_dais[3].codec_of_node =
mt8173_rt5650_rt5676_codecs[1].of_node;
card->dev = &pdev->dev;
platform_set_drvdata(pdev, card);
ret = devm_snd_soc_register_card(&pdev->dev, card);
if (ret)
dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
__func__, ret);
return ret;
}
static const struct of_device_id mt8173_rt5650_rt5676_dt_match[] = {
{ .compatible = "mediatek,mt8173-rt5650-rt5676", },
{ }
};
MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5676_dt_match);
static struct platform_driver mt8173_rt5650_rt5676_driver = {
.driver = {
.name = "mtk-rt5650-rt5676",
.of_match_table = mt8173_rt5650_rt5676_dt_match,
#ifdef CONFIG_PM
.pm = &snd_soc_pm_ops,
#endif
},
.probe = mt8173_rt5650_rt5676_dev_probe,
};
module_platform_driver(mt8173_rt5650_rt5676_driver);
/* Module information */
MODULE_DESCRIPTION("MT8173 RT5650 and RT5676 SoC machine driver");
MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:mtk-rt5650-rt5676");