linux/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5514.c
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   1// SPDX-License-Identifier: GPL-2.0
   2/*
   3 * mt8173-rt5650-rt5514.c  --  MT8173 machine driver with RT5650/5514 codecs
   4 *
   5 * Copyright (c) 2016 MediaTek Inc.
   6 * Author: Koro Chen <koro.chen@mediatek.com>
   7 */
   8
   9#include <linux/module.h>
  10#include <linux/gpio.h>
  11#include <linux/of_gpio.h>
  12#include <sound/soc.h>
  13#include <sound/jack.h>
  14#include "../../codecs/rt5645.h"
  15
  16#define MCLK_FOR_CODECS         12288000
  17
  18static const struct snd_soc_dapm_widget mt8173_rt5650_rt5514_widgets[] = {
  19        SND_SOC_DAPM_SPK("Speaker", NULL),
  20        SND_SOC_DAPM_MIC("Int Mic", NULL),
  21        SND_SOC_DAPM_HP("Headphone", NULL),
  22        SND_SOC_DAPM_MIC("Headset Mic", NULL),
  23};
  24
  25static const struct snd_soc_dapm_route mt8173_rt5650_rt5514_routes[] = {
  26        {"Speaker", NULL, "SPOL"},
  27        {"Speaker", NULL, "SPOR"},
  28        {"Sub DMIC1L", NULL, "Int Mic"},
  29        {"Sub DMIC1R", NULL, "Int Mic"},
  30        {"Headphone", NULL, "HPOL"},
  31        {"Headphone", NULL, "HPOR"},
  32        {"IN1P", NULL, "Headset Mic"},
  33        {"IN1N", NULL, "Headset Mic"},
  34};
  35
  36static const struct snd_kcontrol_new mt8173_rt5650_rt5514_controls[] = {
  37        SOC_DAPM_PIN_SWITCH("Speaker"),
  38        SOC_DAPM_PIN_SWITCH("Int Mic"),
  39        SOC_DAPM_PIN_SWITCH("Headphone"),
  40        SOC_DAPM_PIN_SWITCH("Headset Mic"),
  41};
  42
  43static int mt8173_rt5650_rt5514_hw_params(struct snd_pcm_substream *substream,
  44                                          struct snd_pcm_hw_params *params)
  45{
  46        struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
  47        struct snd_soc_dai *codec_dai;
  48        int i, ret;
  49
  50        for_each_rtd_codec_dais(rtd, i, codec_dai) {
  51                /* pll from mclk 12.288M */
  52                ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
  53                                          params_rate(params) * 512);
  54                if (ret)
  55                        return ret;
  56
  57                /* sysclk from pll */
  58                ret = snd_soc_dai_set_sysclk(codec_dai, 1,
  59                                             params_rate(params) * 512,
  60                                             SND_SOC_CLOCK_IN);
  61                if (ret)
  62                        return ret;
  63        }
  64        return 0;
  65}
  66
  67static const struct snd_soc_ops mt8173_rt5650_rt5514_ops = {
  68        .hw_params = mt8173_rt5650_rt5514_hw_params,
  69};
  70
  71static struct snd_soc_jack mt8173_rt5650_rt5514_jack;
  72
  73static int mt8173_rt5650_rt5514_init(struct snd_soc_pcm_runtime *runtime)
  74{
  75        struct snd_soc_card *card = runtime->card;
  76        struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component;
  77        int ret;
  78
  79        rt5645_sel_asrc_clk_src(component,
  80                                RT5645_DA_STEREO_FILTER |
  81                                RT5645_AD_STEREO_FILTER,
  82                                RT5645_CLK_SEL_I2S1_ASRC);
  83
  84        /* enable jack detection */
  85        ret = snd_soc_card_jack_new(card, "Headset Jack",
  86                                    SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
  87                                    SND_JACK_BTN_0 | SND_JACK_BTN_1 |
  88                                    SND_JACK_BTN_2 | SND_JACK_BTN_3,
  89                                    &mt8173_rt5650_rt5514_jack, NULL, 0);
  90        if (ret) {
  91                dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
  92                return ret;
  93        }
  94
  95        return rt5645_set_jack_detect(component,
  96                                      &mt8173_rt5650_rt5514_jack,
  97                                      &mt8173_rt5650_rt5514_jack,
  98                                      &mt8173_rt5650_rt5514_jack);
  99}
 100
 101enum {
 102        DAI_LINK_PLAYBACK,
 103        DAI_LINK_CAPTURE,
 104        DAI_LINK_CODEC_I2S,
 105};
 106
 107SND_SOC_DAILINK_DEFS(playback,
 108        DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
 109        DAILINK_COMP_ARRAY(COMP_DUMMY()),
 110        DAILINK_COMP_ARRAY(COMP_EMPTY()));
 111
 112SND_SOC_DAILINK_DEFS(capture,
 113        DAILINK_COMP_ARRAY(COMP_CPU("VUL")),
 114        DAILINK_COMP_ARRAY(COMP_DUMMY()),
 115        DAILINK_COMP_ARRAY(COMP_EMPTY()));
 116
 117SND_SOC_DAILINK_DEFS(codec,
 118        DAILINK_COMP_ARRAY(COMP_CPU("I2S")),
 119        DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1"),
 120                           COMP_CODEC(NULL, "rt5514-aif1")),
 121        DAILINK_COMP_ARRAY(COMP_EMPTY()));
 122
 123/* Digital audio interface glue - connects codec <---> CPU */
 124static struct snd_soc_dai_link mt8173_rt5650_rt5514_dais[] = {
 125        /* Front End DAI links */
 126        [DAI_LINK_PLAYBACK] = {
 127                .name = "rt5650_rt5514 Playback",
 128                .stream_name = "rt5650_rt5514 Playback",
 129                .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 130                .dynamic = 1,
 131                .dpcm_playback = 1,
 132                SND_SOC_DAILINK_REG(playback),
 133        },
 134        [DAI_LINK_CAPTURE] = {
 135                .name = "rt5650_rt5514 Capture",
 136                .stream_name = "rt5650_rt5514 Capture",
 137                .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 138                .dynamic = 1,
 139                .dpcm_capture = 1,
 140                SND_SOC_DAILINK_REG(capture),
 141        },
 142        /* Back End DAI links */
 143        [DAI_LINK_CODEC_I2S] = {
 144                .name = "Codec",
 145                .no_pcm = 1,
 146                .init = mt8173_rt5650_rt5514_init,
 147                .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 148                           SND_SOC_DAIFMT_CBS_CFS,
 149                .ops = &mt8173_rt5650_rt5514_ops,
 150                .ignore_pmdown_time = 1,
 151                .dpcm_playback = 1,
 152                .dpcm_capture = 1,
 153                SND_SOC_DAILINK_REG(codec),
 154        },
 155};
 156
 157static struct snd_soc_codec_conf mt8173_rt5650_rt5514_codec_conf[] = {
 158        {
 159                .name_prefix = "Sub",
 160        },
 161};
 162
 163static struct snd_soc_card mt8173_rt5650_rt5514_card = {
 164        .name = "mtk-rt5650-rt5514",
 165        .owner = THIS_MODULE,
 166        .dai_link = mt8173_rt5650_rt5514_dais,
 167        .num_links = ARRAY_SIZE(mt8173_rt5650_rt5514_dais),
 168        .codec_conf = mt8173_rt5650_rt5514_codec_conf,
 169        .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5514_codec_conf),
 170        .controls = mt8173_rt5650_rt5514_controls,
 171        .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5514_controls),
 172        .dapm_widgets = mt8173_rt5650_rt5514_widgets,
 173        .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5514_widgets),
 174        .dapm_routes = mt8173_rt5650_rt5514_routes,
 175        .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5514_routes),
 176};
 177
 178static int mt8173_rt5650_rt5514_dev_probe(struct platform_device *pdev)
 179{
 180        struct snd_soc_card *card = &mt8173_rt5650_rt5514_card;
 181        struct device_node *platform_node;
 182        struct snd_soc_dai_link *dai_link;
 183        int i, ret;
 184
 185        platform_node = of_parse_phandle(pdev->dev.of_node,
 186                                         "mediatek,platform", 0);
 187        if (!platform_node) {
 188                dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
 189                return -EINVAL;
 190        }
 191
 192        for_each_card_prelinks(card, i, dai_link) {
 193                if (dai_link->platforms->name)
 194                        continue;
 195                dai_link->platforms->of_node = platform_node;
 196        }
 197
 198        mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node =
 199                of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
 200        if (!mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node) {
 201                dev_err(&pdev->dev,
 202                        "Property 'audio-codec' missing or invalid\n");
 203                return -EINVAL;
 204        }
 205        mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node =
 206                of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
 207        if (!mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node) {
 208                dev_err(&pdev->dev,
 209                        "Property 'audio-codec' missing or invalid\n");
 210                return -EINVAL;
 211        }
 212        mt8173_rt5650_rt5514_codec_conf[0].dlc.of_node =
 213                mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node;
 214
 215        card->dev = &pdev->dev;
 216
 217        ret = devm_snd_soc_register_card(&pdev->dev, card);
 218        if (ret)
 219                dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
 220                        __func__, ret);
 221        return ret;
 222}
 223
 224static const struct of_device_id mt8173_rt5650_rt5514_dt_match[] = {
 225        { .compatible = "mediatek,mt8173-rt5650-rt5514", },
 226        { }
 227};
 228MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5514_dt_match);
 229
 230static struct platform_driver mt8173_rt5650_rt5514_driver = {
 231        .driver = {
 232                   .name = "mtk-rt5650-rt5514",
 233                   .of_match_table = mt8173_rt5650_rt5514_dt_match,
 234#ifdef CONFIG_PM
 235                   .pm = &snd_soc_pm_ops,
 236#endif
 237        },
 238        .probe = mt8173_rt5650_rt5514_dev_probe,
 239};
 240
 241module_platform_driver(mt8173_rt5650_rt5514_driver);
 242
 243/* Module information */
 244MODULE_DESCRIPTION("MT8173 RT5650 and RT5514 SoC machine driver");
 245MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
 246MODULE_LICENSE("GPL v2");
 247MODULE_ALIAS("platform:mtk-rt5650-rt5514");
 248
 249