sound/soc/mediatek/mt8173-rt5650-rt5676.c

   1 /*
   2  * mt8173-rt5650-rt5676.c  --  MT8173 machine driver with RT5650/5676 codecs
   3  *
   4  * Copyright (c) 2015 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 #include "../codecs/rt5677.h"
  24
  25 #define MCLK_FOR_CODECS         12288000
  26
  27 static const struct snd_soc_dapm_widget mt8173_rt5650_rt5676_widgets[] = {
  28         SND_SOC_DAPM_SPK("Speaker", NULL),
  29         SND_SOC_DAPM_MIC("Int Mic", NULL),
  30         SND_SOC_DAPM_HP("Headphone", NULL),
  31         SND_SOC_DAPM_MIC("Headset Mic", NULL),
  32 };
  33
  34 static const struct snd_soc_dapm_route mt8173_rt5650_rt5676_routes[] = {
  35         {"Speaker", NULL, "SPOL"},
  36         {"Speaker", NULL, "SPOR"},
  37         {"Speaker", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650  */
  38         {"Sub DMIC L1", NULL, "Int Mic"}, /* DMIC from 5676 */
  39         {"Sub DMIC R1", NULL, "Int Mic"},
  40         {"Headphone", NULL, "HPOL"},
  41         {"Headphone", NULL, "HPOR"},
  42         {"Headphone", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650  */
  43         {"Headset Mic", NULL, "micbias1"},
  44         {"Headset Mic", NULL, "micbias2"},
  45         {"IN1P", NULL, "Headset Mic"},
  46         {"IN1N", NULL, "Headset Mic"},
  47         {"Sub AIF2RX", NULL, "Headset Mic"}, /* IF2 DAC from 5650  */
  48 };
  49
  50 static const struct snd_kcontrol_new mt8173_rt5650_rt5676_controls[] = {
  51         SOC_DAPM_PIN_SWITCH("Speaker"),
  52         SOC_DAPM_PIN_SWITCH("Int Mic"),
  53         SOC_DAPM_PIN_SWITCH("Headphone"),
  54         SOC_DAPM_PIN_SWITCH("Headset Mic"),
  55 };
  56
  57 static int mt8173_rt5650_rt5676_hw_params(struct snd_pcm_substream *substream,
  58                                           struct snd_pcm_hw_params *params)
  59 {
  60         struct snd_soc_pcm_runtime *rtd = substream->private_data;
  61         int i, ret;
  62
  63         for (i = 0; i < rtd->num_codecs; i++) {
  64                 struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
  65
  66                 /* pll from mclk 12.288M */
  67                 ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
  68                                           params_rate(params) * 512);
  69                 if (ret)
  70                         return ret;
  71
  72                 /* sysclk from pll */
  73                 ret = snd_soc_dai_set_sysclk(codec_dai, 1,
  74                                              params_rate(params) * 512,
  75                                              SND_SOC_CLOCK_IN);
  76                 if (ret)
  77                         return ret;
  78         }
  79         return 0;
  80 }
  81
  82 static struct snd_soc_ops mt8173_rt5650_rt5676_ops = {
  83         .hw_params = mt8173_rt5650_rt5676_hw_params,
  84 };
  85
  86 static struct snd_soc_jack mt8173_rt5650_rt5676_jack;
  87
  88 static int mt8173_rt5650_rt5676_init(struct snd_soc_pcm_runtime *runtime)
  89 {
  90         struct snd_soc_card *card = runtime->card;
  91         struct snd_soc_codec *codec = runtime->codec_dais[0]->codec;
  92         struct snd_soc_codec *codec_sub = runtime->codec_dais[1]->codec;
  93         int ret;
  94
  95         rt5645_sel_asrc_clk_src(codec,
  96                                 RT5645_DA_STEREO_FILTER |
  97                                 RT5645_AD_STEREO_FILTER,
  98                                 RT5645_CLK_SEL_I2S1_ASRC);
  99         rt5677_sel_asrc_clk_src(codec_sub,
 100                                 RT5677_DA_STEREO_FILTER |
 101                                 RT5677_AD_STEREO1_FILTER,
 102                                 RT5677_CLK_SEL_I2S1_ASRC);
 103         rt5677_sel_asrc_clk_src(codec_sub,
 104                                 RT5677_AD_STEREO2_FILTER |
 105                                 RT5677_I2S2_SOURCE,
 106                                 RT5677_CLK_SEL_I2S2_ASRC);
 107
 108         /* enable jack detection */
 109         ret = snd_soc_card_jack_new(card, "Headset Jack",
 110                                     SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
 111                                     SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 112                                     SND_JACK_BTN_2 | SND_JACK_BTN_3,
 113                                     &mt8173_rt5650_rt5676_jack, NULL, 0);
 114         if (ret) {
 115                 dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
 116                 return ret;
 117         }
 118
 119         return rt5645_set_jack_detect(codec,
 120                                       &mt8173_rt5650_rt5676_jack,
 121                                       &mt8173_rt5650_rt5676_jack,
 122                                       &mt8173_rt5650_rt5676_jack);
 123 }
 124
 125 static struct snd_soc_dai_link_component mt8173_rt5650_rt5676_codecs[] = {
 126         {
 127                 .dai_name = "rt5645-aif1",
 128         },
 129         {
 130                 .dai_name = "rt5677-aif1",
 131         },
 132 };
 133
 134 enum {
 135         DAI_LINK_PLAYBACK,
 136         DAI_LINK_CAPTURE,
 137         DAI_LINK_CODEC_I2S,
 138         DAI_LINK_INTERCODEC
 139 };
 140
 141 /* Digital audio interface glue - connects codec <---> CPU */
 142 static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = {
 143         /* Front End DAI links */
 144         [DAI_LINK_PLAYBACK] = {
 145                 .name = "rt5650_rt5676 Playback",
 146                 .stream_name = "rt5650_rt5676 Playback",
 147                 .cpu_dai_name = "DL1",
 148                 .codec_name = "snd-soc-dummy",
 149                 .codec_dai_name = "snd-soc-dummy-dai",
 150                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 151                 .dynamic = 1,
 152                 .dpcm_playback = 1,
 153         },
 154         [DAI_LINK_CAPTURE] = {
 155                 .name = "rt5650_rt5676 Capture",
 156                 .stream_name = "rt5650_rt5676 Capture",
 157                 .cpu_dai_name = "VUL",
 158                 .codec_name = "snd-soc-dummy",
 159                 .codec_dai_name = "snd-soc-dummy-dai",
 160                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 161                 .dynamic = 1,
 162                 .dpcm_capture = 1,
 163         },
 164
 165         /* Back End DAI links */
 166         [DAI_LINK_CODEC_I2S] = {
 167                 .name = "Codec",
 168                 .cpu_dai_name = "I2S",
 169                 .no_pcm = 1,
 170                 .codecs = mt8173_rt5650_rt5676_codecs,
 171                 .num_codecs = 2,
 172                 .init = mt8173_rt5650_rt5676_init,
 173                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 174                            SND_SOC_DAIFMT_CBS_CFS,
 175                 .ops = &mt8173_rt5650_rt5676_ops,
 176                 .ignore_pmdown_time = 1,
 177                 .dpcm_playback = 1,
 178                 .dpcm_capture = 1,
 179         },
 180         /* rt5676 <-> rt5650 intercodec link: Sets rt5676 I2S2 as master */
 181         [DAI_LINK_INTERCODEC] = {
 182                 .name = "rt5650_rt5676 intercodec",
 183                 .stream_name = "rt5650_rt5676 intercodec",
 184                 .cpu_dai_name = "snd-soc-dummy-dai",
 185                 .platform_name = "snd-soc-dummy",
 186                 .no_pcm = 1,
 187                 .codec_dai_name = "rt5677-aif2",
 188                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 189                            SND_SOC_DAIFMT_CBM_CFM,
 190         },
 191
 192 };
 193
 194 static struct snd_soc_codec_conf mt8173_rt5650_rt5676_codec_conf[] = {
 195         {
 196                 .name_prefix = "Sub",
 197         },
 198 };
 199
 200 static struct snd_soc_card mt8173_rt5650_rt5676_card = {
 201         .name = "mtk-rt5650-rt5676",
 202         .owner = THIS_MODULE,
 203         .dai_link = mt8173_rt5650_rt5676_dais,
 204         .num_links = ARRAY_SIZE(mt8173_rt5650_rt5676_dais),
 205         .codec_conf = mt8173_rt5650_rt5676_codec_conf,
 206         .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5676_codec_conf),
 207         .controls = mt8173_rt5650_rt5676_controls,
 208         .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5676_controls),
 209         .dapm_widgets = mt8173_rt5650_rt5676_widgets,
 210         .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5676_widgets),
 211         .dapm_routes = mt8173_rt5650_rt5676_routes,
 212         .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5676_routes),
 213 };
 214
 215 static int mt8173_rt5650_rt5676_dev_probe(struct platform_device *pdev)
 216 {
 217         struct snd_soc_card *card = &mt8173_rt5650_rt5676_card;
 218         struct device_node *platform_node;
 219         int i, ret;
 220
 221         platform_node = of_parse_phandle(pdev->dev.of_node,
 222                                          "mediatek,platform", 0);
 223         if (!platform_node) {
 224                 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
 225                 return -EINVAL;
 226         }
 227
 228         for (i = 0; i < card->num_links; i++) {
 229                 if (mt8173_rt5650_rt5676_dais[i].platform_name)
 230                         continue;
 231                 mt8173_rt5650_rt5676_dais[i].platform_of_node = platform_node;
 232         }
 233
 234         mt8173_rt5650_rt5676_codecs[0].of_node =
 235                 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
 236         if (!mt8173_rt5650_rt5676_codecs[0].of_node) {
 237                 dev_err(&pdev->dev,
 238                         "Property 'audio-codec' missing or invalid\n");
 239                 return -EINVAL;
 240         }
 241         mt8173_rt5650_rt5676_codecs[1].of_node =
 242                 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
 243         if (!mt8173_rt5650_rt5676_codecs[1].of_node) {
 244                 dev_err(&pdev->dev,
 245                         "Property 'audio-codec' missing or invalid\n");
 246                 return -EINVAL;
 247         }
 248         mt8173_rt5650_rt5676_codec_conf[0].of_node =
 249                 mt8173_rt5650_rt5676_codecs[1].of_node;
 250
 251         mt8173_rt5650_rt5676_dais[DAI_LINK_INTERCODEC].codec_of_node =
 252                 mt8173_rt5650_rt5676_codecs[1].of_node;
 253
 254         card->dev = &pdev->dev;
 255         platform_set_drvdata(pdev, card);
 256
 257         ret = devm_snd_soc_register_card(&pdev->dev, card);
 258         if (ret)
 259                 dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
 260                         __func__, ret);
 261         return ret;
 262 }
 263
 264 static const struct of_device_id mt8173_rt5650_rt5676_dt_match[] = {
 265         { .compatible = "mediatek,mt8173-rt5650-rt5676", },
 266         { }
 267 };
 268 MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5676_dt_match);
 269
 270 static struct platform_driver mt8173_rt5650_rt5676_driver = {
 271         .driver = {
 272                    .name = "mtk-rt5650-rt5676",
 273                    .of_match_table = mt8173_rt5650_rt5676_dt_match,
 274 #ifdef CONFIG_PM
 275                    .pm = &snd_soc_pm_ops,
 276 #endif
 277         },
 278         .probe = mt8173_rt5650_rt5676_dev_probe,
 279 };
 280
 281 module_platform_driver(mt8173_rt5650_rt5676_driver);
 282
 283 /* Module information */
 284 MODULE_DESCRIPTION("MT8173 RT5650 and RT5676 SoC machine driver");
 285 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
 286 MODULE_LICENSE("GPL v2");
 287 MODULE_ALIAS("platform:mtk-rt5650-rt5676");
 288