linux/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5514.c
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   1/*
   2 * mt8173-rt5650-rt5514.c  --  MT8173 machine driver with RT5650/5514 codecs
   3 *
   4 * Copyright (c) 2016 MediaTek Inc.
   5 * Author: Koro Chen <koro.chen@mediatek.com>
   6 *
   7 * This program is free software; you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License version 2 and
   9 * only version 2 as published by the Free Software Foundation.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 */
  16
  17#include <linux/module.h>
  18#include <linux/gpio.h>
  19#include <linux/of_gpio.h>
  20#include <sound/soc.h>
  21#include <sound/jack.h>
  22#include "../../codecs/rt5645.h"
  23
  24#define MCLK_FOR_CODECS         12288000
  25
  26static const struct snd_soc_dapm_widget mt8173_rt5650_rt5514_widgets[] = {
  27        SND_SOC_DAPM_SPK("Speaker", NULL),
  28        SND_SOC_DAPM_MIC("Int Mic", NULL),
  29        SND_SOC_DAPM_HP("Headphone", NULL),
  30        SND_SOC_DAPM_MIC("Headset Mic", NULL),
  31};
  32
  33static const struct snd_soc_dapm_route mt8173_rt5650_rt5514_routes[] = {
  34        {"Speaker", NULL, "SPOL"},
  35        {"Speaker", NULL, "SPOR"},
  36        {"Sub DMIC1L", NULL, "Int Mic"},
  37        {"Sub DMIC1R", NULL, "Int Mic"},
  38        {"Headphone", NULL, "HPOL"},
  39        {"Headphone", NULL, "HPOR"},
  40        {"Headset Mic", NULL, "micbias1"},
  41        {"Headset Mic", NULL, "micbias2"},
  42        {"IN1P", NULL, "Headset Mic"},
  43        {"IN1N", NULL, "Headset Mic"},
  44};
  45
  46static const struct snd_kcontrol_new mt8173_rt5650_rt5514_controls[] = {
  47        SOC_DAPM_PIN_SWITCH("Speaker"),
  48        SOC_DAPM_PIN_SWITCH("Int Mic"),
  49        SOC_DAPM_PIN_SWITCH("Headphone"),
  50        SOC_DAPM_PIN_SWITCH("Headset Mic"),
  51};
  52
  53static int mt8173_rt5650_rt5514_hw_params(struct snd_pcm_substream *substream,
  54                                          struct snd_pcm_hw_params *params)
  55{
  56        struct snd_soc_pcm_runtime *rtd = substream->private_data;
  57        int i, ret;
  58
  59        for (i = 0; i < rtd->num_codecs; i++) {
  60                struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
  61
  62                /* pll from mclk 12.288M */
  63                ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
  64                                          params_rate(params) * 512);
  65                if (ret)
  66                        return ret;
  67
  68                /* sysclk from pll */
  69                ret = snd_soc_dai_set_sysclk(codec_dai, 1,
  70                                             params_rate(params) * 512,
  71                                             SND_SOC_CLOCK_IN);
  72                if (ret)
  73                        return ret;
  74        }
  75        return 0;
  76}
  77
  78static struct snd_soc_ops mt8173_rt5650_rt5514_ops = {
  79        .hw_params = mt8173_rt5650_rt5514_hw_params,
  80};
  81
  82static struct snd_soc_jack mt8173_rt5650_rt5514_jack;
  83
  84static int mt8173_rt5650_rt5514_init(struct snd_soc_pcm_runtime *runtime)
  85{
  86        struct snd_soc_card *card = runtime->card;
  87        struct snd_soc_codec *codec = runtime->codec_dais[0]->codec;
  88        int ret;
  89
  90        rt5645_sel_asrc_clk_src(codec,
  91                                RT5645_DA_STEREO_FILTER |
  92                                RT5645_AD_STEREO_FILTER,
  93                                RT5645_CLK_SEL_I2S1_ASRC);
  94
  95        /* enable jack detection */
  96        ret = snd_soc_card_jack_new(card, "Headset Jack",
  97                                    SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
  98                                    SND_JACK_BTN_0 | SND_JACK_BTN_1 |
  99                                    SND_JACK_BTN_2 | SND_JACK_BTN_3,
 100                                    &mt8173_rt5650_rt5514_jack, NULL, 0);
 101        if (ret) {
 102                dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
 103                return ret;
 104        }
 105
 106        return rt5645_set_jack_detect(codec,
 107                                      &mt8173_rt5650_rt5514_jack,
 108                                      &mt8173_rt5650_rt5514_jack,
 109                                      &mt8173_rt5650_rt5514_jack);
 110}
 111
 112static struct snd_soc_dai_link_component mt8173_rt5650_rt5514_codecs[] = {
 113        {
 114                .dai_name = "rt5645-aif1",
 115        },
 116        {
 117                .dai_name = "rt5514-aif1",
 118        },
 119};
 120
 121enum {
 122        DAI_LINK_PLAYBACK,
 123        DAI_LINK_CAPTURE,
 124        DAI_LINK_CODEC_I2S,
 125};
 126
 127/* Digital audio interface glue - connects codec <---> CPU */
 128static struct snd_soc_dai_link mt8173_rt5650_rt5514_dais[] = {
 129        /* Front End DAI links */
 130        [DAI_LINK_PLAYBACK] = {
 131                .name = "rt5650_rt5514 Playback",
 132                .stream_name = "rt5650_rt5514 Playback",
 133                .cpu_dai_name = "DL1",
 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_playback = 1,
 139        },
 140        [DAI_LINK_CAPTURE] = {
 141                .name = "rt5650_rt5514 Capture",
 142                .stream_name = "rt5650_rt5514 Capture",
 143                .cpu_dai_name = "VUL",
 144                .codec_name = "snd-soc-dummy",
 145                .codec_dai_name = "snd-soc-dummy-dai",
 146                .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 147                .dynamic = 1,
 148                .dpcm_capture = 1,
 149        },
 150        /* Back End DAI links */
 151        [DAI_LINK_CODEC_I2S] = {
 152                .name = "Codec",
 153                .cpu_dai_name = "I2S",
 154                .no_pcm = 1,
 155                .codecs = mt8173_rt5650_rt5514_codecs,
 156                .num_codecs = 2,
 157                .init = mt8173_rt5650_rt5514_init,
 158                .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 159                           SND_SOC_DAIFMT_CBS_CFS,
 160                .ops = &mt8173_rt5650_rt5514_ops,
 161                .ignore_pmdown_time = 1,
 162                .dpcm_playback = 1,
 163                .dpcm_capture = 1,
 164        },
 165};
 166
 167static struct snd_soc_codec_conf mt8173_rt5650_rt5514_codec_conf[] = {
 168        {
 169                .name_prefix = "Sub",
 170        },
 171};
 172
 173static struct snd_soc_card mt8173_rt5650_rt5514_card = {
 174        .name = "mtk-rt5650-rt5514",
 175        .owner = THIS_MODULE,
 176        .dai_link = mt8173_rt5650_rt5514_dais,
 177        .num_links = ARRAY_SIZE(mt8173_rt5650_rt5514_dais),
 178        .codec_conf = mt8173_rt5650_rt5514_codec_conf,
 179        .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5514_codec_conf),
 180        .controls = mt8173_rt5650_rt5514_controls,
 181        .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5514_controls),
 182        .dapm_widgets = mt8173_rt5650_rt5514_widgets,
 183        .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5514_widgets),
 184        .dapm_routes = mt8173_rt5650_rt5514_routes,
 185        .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5514_routes),
 186};
 187
 188static int mt8173_rt5650_rt5514_dev_probe(struct platform_device *pdev)
 189{
 190        struct snd_soc_card *card = &mt8173_rt5650_rt5514_card;
 191        struct device_node *platform_node;
 192        int i, ret;
 193
 194        platform_node = of_parse_phandle(pdev->dev.of_node,
 195                                         "mediatek,platform", 0);
 196        if (!platform_node) {
 197                dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
 198                return -EINVAL;
 199        }
 200
 201        for (i = 0; i < card->num_links; i++) {
 202                if (mt8173_rt5650_rt5514_dais[i].platform_name)
 203                        continue;
 204                mt8173_rt5650_rt5514_dais[i].platform_of_node = platform_node;
 205        }
 206
 207        mt8173_rt5650_rt5514_codecs[0].of_node =
 208                of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
 209        if (!mt8173_rt5650_rt5514_codecs[0].of_node) {
 210                dev_err(&pdev->dev,
 211                        "Property 'audio-codec' missing or invalid\n");
 212                return -EINVAL;
 213        }
 214        mt8173_rt5650_rt5514_codecs[1].of_node =
 215                of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
 216        if (!mt8173_rt5650_rt5514_codecs[1].of_node) {
 217                dev_err(&pdev->dev,
 218                        "Property 'audio-codec' missing or invalid\n");
 219                return -EINVAL;
 220        }
 221        mt8173_rt5650_rt5514_codec_conf[0].of_node =
 222                mt8173_rt5650_rt5514_codecs[1].of_node;
 223
 224        card->dev = &pdev->dev;
 225        platform_set_drvdata(pdev, card);
 226
 227        ret = devm_snd_soc_register_card(&pdev->dev, card);
 228        if (ret)
 229                dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
 230                        __func__, ret);
 231        return ret;
 232}
 233
 234static const struct of_device_id mt8173_rt5650_rt5514_dt_match[] = {
 235        { .compatible = "mediatek,mt8173-rt5650-rt5514", },
 236        { }
 237};
 238MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5514_dt_match);
 239
 240static struct platform_driver mt8173_rt5650_rt5514_driver = {
 241        .driver = {
 242                   .name = "mtk-rt5650-rt5514",
 243                   .of_match_table = mt8173_rt5650_rt5514_dt_match,
 244#ifdef CONFIG_PM
 245                   .pm = &snd_soc_pm_ops,
 246#endif
 247        },
 248        .probe = mt8173_rt5650_rt5514_dev_probe,
 249};
 250
 251module_platform_driver(mt8173_rt5650_rt5514_driver);
 252
 253/* Module information */
 254MODULE_DESCRIPTION("MT8173 RT5650 and RT5514 SoC machine driver");
 255MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
 256MODULE_LICENSE("GPL v2");
 257MODULE_ALIAS("platform:mtk-rt5650-rt5514");
 258
 259