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 = substream->private_data;
  47        int i, ret;
  48
  49        for (i = 0; i < rtd->num_codecs; i++) {
  50                struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
  51
  52                /* pll from mclk 12.288M */
  53                ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
  54                                          params_rate(params) * 512);
  55                if (ret)
  56                        return ret;
  57
  58                /* sysclk from pll */
  59                ret = snd_soc_dai_set_sysclk(codec_dai, 1,
  60                                             params_rate(params) * 512,
  61                                             SND_SOC_CLOCK_IN);
  62                if (ret)
  63                        return ret;
  64        }
  65        return 0;
  66}
  67
  68static const struct snd_soc_ops mt8173_rt5650_rt5514_ops = {
  69        .hw_params = mt8173_rt5650_rt5514_hw_params,
  70};
  71
  72static struct snd_soc_jack mt8173_rt5650_rt5514_jack;
  73
  74static int mt8173_rt5650_rt5514_init(struct snd_soc_pcm_runtime *runtime)
  75{
  76        struct snd_soc_card *card = runtime->card;
  77        struct snd_soc_component *component = runtime->codec_dais[0]->component;
  78        int ret;
  79
  80        rt5645_sel_asrc_clk_src(component,
  81                                RT5645_DA_STEREO_FILTER |
  82                                RT5645_AD_STEREO_FILTER,
  83                                RT5645_CLK_SEL_I2S1_ASRC);
  84
  85        /* enable jack detection */
  86        ret = snd_soc_card_jack_new(card, "Headset Jack",
  87                                    SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
  88                                    SND_JACK_BTN_0 | SND_JACK_BTN_1 |
  89                                    SND_JACK_BTN_2 | SND_JACK_BTN_3,
  90                                    &mt8173_rt5650_rt5514_jack, NULL, 0);
  91        if (ret) {
  92                dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
  93                return ret;
  94        }
  95
  96        return rt5645_set_jack_detect(component,
  97                                      &mt8173_rt5650_rt5514_jack,
  98                                      &mt8173_rt5650_rt5514_jack,
  99                                      &mt8173_rt5650_rt5514_jack);
 100}
 101
 102static struct snd_soc_dai_link_component mt8173_rt5650_rt5514_codecs[] = {
 103        {
 104                .dai_name = "rt5645-aif1",
 105        },
 106        {
 107                .dai_name = "rt5514-aif1",
 108        },
 109};
 110
 111enum {
 112        DAI_LINK_PLAYBACK,
 113        DAI_LINK_CAPTURE,
 114        DAI_LINK_CODEC_I2S,
 115};
 116
 117/* Digital audio interface glue - connects codec <---> CPU */
 118static struct snd_soc_dai_link mt8173_rt5650_rt5514_dais[] = {
 119        /* Front End DAI links */
 120        [DAI_LINK_PLAYBACK] = {
 121                .name = "rt5650_rt5514 Playback",
 122                .stream_name = "rt5650_rt5514 Playback",
 123                .cpu_dai_name = "DL1",
 124                .codec_name = "snd-soc-dummy",
 125                .codec_dai_name = "snd-soc-dummy-dai",
 126                .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 127                .dynamic = 1,
 128                .dpcm_playback = 1,
 129        },
 130        [DAI_LINK_CAPTURE] = {
 131                .name = "rt5650_rt5514 Capture",
 132                .stream_name = "rt5650_rt5514 Capture",
 133                .cpu_dai_name = "VUL",
 134                .codec_name = "snd-soc-dummy",
 135                .codec_dai_name = "snd-soc-dummy-dai",
 136                .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 137                .dynamic = 1,
 138                .dpcm_capture = 1,
 139        },
 140        /* Back End DAI links */
 141        [DAI_LINK_CODEC_I2S] = {
 142                .name = "Codec",
 143                .cpu_dai_name = "I2S",
 144                .no_pcm = 1,
 145                .codecs = mt8173_rt5650_rt5514_codecs,
 146                .num_codecs = 2,
 147                .init = mt8173_rt5650_rt5514_init,
 148                .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 149                           SND_SOC_DAIFMT_CBS_CFS,
 150                .ops = &mt8173_rt5650_rt5514_ops,
 151                .ignore_pmdown_time = 1,
 152                .dpcm_playback = 1,
 153                .dpcm_capture = 1,
 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        int i, ret;
 183
 184        platform_node = of_parse_phandle(pdev->dev.of_node,
 185                                         "mediatek,platform", 0);
 186        if (!platform_node) {
 187                dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
 188                return -EINVAL;
 189        }
 190
 191        for (i = 0; i < card->num_links; i++) {
 192                if (mt8173_rt5650_rt5514_dais[i].platform_name)
 193                        continue;
 194                mt8173_rt5650_rt5514_dais[i].platform_of_node = platform_node;
 195        }
 196
 197        mt8173_rt5650_rt5514_codecs[0].of_node =
 198                of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
 199        if (!mt8173_rt5650_rt5514_codecs[0].of_node) {
 200                dev_err(&pdev->dev,
 201                        "Property 'audio-codec' missing or invalid\n");
 202                return -EINVAL;
 203        }
 204        mt8173_rt5650_rt5514_codecs[1].of_node =
 205                of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
 206        if (!mt8173_rt5650_rt5514_codecs[1].of_node) {
 207                dev_err(&pdev->dev,
 208                        "Property 'audio-codec' missing or invalid\n");
 209                return -EINVAL;
 210        }
 211        mt8173_rt5650_rt5514_codec_conf[0].of_node =
 212                mt8173_rt5650_rt5514_codecs[1].of_node;
 213
 214        card->dev = &pdev->dev;
 215
 216        ret = devm_snd_soc_register_card(&pdev->dev, card);
 217        if (ret)
 218                dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
 219                        __func__, ret);
 220        return ret;
 221}
 222
 223static const struct of_device_id mt8173_rt5650_rt5514_dt_match[] = {
 224        { .compatible = "mediatek,mt8173-rt5650-rt5514", },
 225        { }
 226};
 227MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5514_dt_match);
 228
 229static struct platform_driver mt8173_rt5650_rt5514_driver = {
 230        .driver = {
 231                   .name = "mtk-rt5650-rt5514",
 232                   .of_match_table = mt8173_rt5650_rt5514_dt_match,
 233#ifdef CONFIG_PM
 234                   .pm = &snd_soc_pm_ops,
 235#endif
 236        },
 237        .probe = mt8173_rt5650_rt5514_dev_probe,
 238};
 239
 240module_platform_driver(mt8173_rt5650_rt5514_driver);
 241
 242/* Module information */
 243MODULE_DESCRIPTION("MT8173 RT5650 and RT5514 SoC machine driver");
 244MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
 245MODULE_LICENSE("GPL v2");
 246MODULE_ALIAS("platform:mtk-rt5650-rt5514");
 247
 248