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0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003  * mt8173-rt5650-rt5676.c  --  MT8173 machine driver with RT5650/5676 codecs
0004  *
0005  * Copyright (c) 2015 MediaTek Inc.
0006  * Author: Koro Chen <koro.chen@mediatek.com>
0007  */
0008 
0009 #include <linux/module.h>
0010 #include <linux/gpio.h>
0011 #include <linux/of_gpio.h>
0012 #include <sound/soc.h>
0013 #include <sound/jack.h>
0014 #include "../../codecs/rt5645.h"
0015 #include "../../codecs/rt5677.h"
0016 
0017 #define MCLK_FOR_CODECS     12288000
0018 
0019 static const struct snd_soc_dapm_widget mt8173_rt5650_rt5676_widgets[] = {
0020     SND_SOC_DAPM_SPK("Speaker", NULL),
0021     SND_SOC_DAPM_MIC("Int Mic", NULL),
0022     SND_SOC_DAPM_HP("Headphone", NULL),
0023     SND_SOC_DAPM_MIC("Headset Mic", NULL),
0024 };
0025 
0026 static const struct snd_soc_dapm_route mt8173_rt5650_rt5676_routes[] = {
0027     {"Speaker", NULL, "SPOL"},
0028     {"Speaker", NULL, "SPOR"},
0029     {"Speaker", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650  */
0030     {"Sub DMIC L1", NULL, "Int Mic"}, /* DMIC from 5676 */
0031     {"Sub DMIC R1", NULL, "Int Mic"},
0032     {"Headphone", NULL, "HPOL"},
0033     {"Headphone", NULL, "HPOR"},
0034     {"Headphone", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650  */
0035     {"IN1P", NULL, "Headset Mic"},
0036     {"IN1N", NULL, "Headset Mic"},
0037     {"Sub AIF2RX", NULL, "Headset Mic"}, /* IF2 DAC from 5650  */
0038 };
0039 
0040 static const struct snd_kcontrol_new mt8173_rt5650_rt5676_controls[] = {
0041     SOC_DAPM_PIN_SWITCH("Speaker"),
0042     SOC_DAPM_PIN_SWITCH("Int Mic"),
0043     SOC_DAPM_PIN_SWITCH("Headphone"),
0044     SOC_DAPM_PIN_SWITCH("Headset Mic"),
0045 };
0046 
0047 static int mt8173_rt5650_rt5676_hw_params(struct snd_pcm_substream *substream,
0048                       struct snd_pcm_hw_params *params)
0049 {
0050     struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
0051     struct snd_soc_dai *codec_dai;
0052     int i, ret;
0053 
0054     for_each_rtd_codec_dais(rtd, i, codec_dai) {
0055         /* pll from mclk 12.288M */
0056         ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
0057                       params_rate(params) * 512);
0058         if (ret)
0059             return ret;
0060 
0061         /* sysclk from pll */
0062         ret = snd_soc_dai_set_sysclk(codec_dai, 1,
0063                          params_rate(params) * 512,
0064                          SND_SOC_CLOCK_IN);
0065         if (ret)
0066             return ret;
0067     }
0068     return 0;
0069 }
0070 
0071 static const struct snd_soc_ops mt8173_rt5650_rt5676_ops = {
0072     .hw_params = mt8173_rt5650_rt5676_hw_params,
0073 };
0074 
0075 static struct snd_soc_jack mt8173_rt5650_rt5676_jack;
0076 
0077 static int mt8173_rt5650_rt5676_init(struct snd_soc_pcm_runtime *runtime)
0078 {
0079     struct snd_soc_card *card = runtime->card;
0080     struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component;
0081     struct snd_soc_component *component_sub = asoc_rtd_to_codec(runtime, 1)->component;
0082     int ret;
0083 
0084     rt5645_sel_asrc_clk_src(component,
0085                 RT5645_DA_STEREO_FILTER |
0086                 RT5645_AD_STEREO_FILTER,
0087                 RT5645_CLK_SEL_I2S1_ASRC);
0088     rt5677_sel_asrc_clk_src(component_sub,
0089                 RT5677_DA_STEREO_FILTER |
0090                 RT5677_AD_STEREO1_FILTER,
0091                 RT5677_CLK_SEL_I2S1_ASRC);
0092     rt5677_sel_asrc_clk_src(component_sub,
0093                 RT5677_AD_STEREO2_FILTER |
0094                 RT5677_I2S2_SOURCE,
0095                 RT5677_CLK_SEL_I2S2_ASRC);
0096 
0097     /* enable jack detection */
0098     ret = snd_soc_card_jack_new(card, "Headset Jack",
0099                     SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
0100                     SND_JACK_BTN_0 | SND_JACK_BTN_1 |
0101                     SND_JACK_BTN_2 | SND_JACK_BTN_3,
0102                     &mt8173_rt5650_rt5676_jack);
0103     if (ret) {
0104         dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
0105         return ret;
0106     }
0107 
0108     return rt5645_set_jack_detect(component,
0109                       &mt8173_rt5650_rt5676_jack,
0110                       &mt8173_rt5650_rt5676_jack,
0111                       &mt8173_rt5650_rt5676_jack);
0112 }
0113 
0114 
0115 enum {
0116     DAI_LINK_PLAYBACK,
0117     DAI_LINK_CAPTURE,
0118     DAI_LINK_HDMI,
0119     DAI_LINK_CODEC_I2S,
0120     DAI_LINK_HDMI_I2S,
0121     DAI_LINK_INTERCODEC
0122 };
0123 
0124 SND_SOC_DAILINK_DEFS(playback,
0125     DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
0126     DAILINK_COMP_ARRAY(COMP_DUMMY()),
0127     DAILINK_COMP_ARRAY(COMP_EMPTY()));
0128 
0129 SND_SOC_DAILINK_DEFS(capture,
0130     DAILINK_COMP_ARRAY(COMP_CPU("VUL")),
0131     DAILINK_COMP_ARRAY(COMP_DUMMY()),
0132     DAILINK_COMP_ARRAY(COMP_EMPTY()));
0133 
0134 SND_SOC_DAILINK_DEFS(hdmi_pcm,
0135     DAILINK_COMP_ARRAY(COMP_CPU("HDMI")),
0136     DAILINK_COMP_ARRAY(COMP_DUMMY()),
0137     DAILINK_COMP_ARRAY(COMP_EMPTY()));
0138 
0139 SND_SOC_DAILINK_DEFS(codec,
0140     DAILINK_COMP_ARRAY(COMP_CPU("I2S")),
0141     DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1"),
0142                COMP_CODEC(NULL, "rt5677-aif1")),
0143     DAILINK_COMP_ARRAY(COMP_EMPTY()));
0144 
0145 SND_SOC_DAILINK_DEFS(hdmi_be,
0146     DAILINK_COMP_ARRAY(COMP_CPU("HDMIO")),
0147     DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "i2s-hifi")),
0148     DAILINK_COMP_ARRAY(COMP_EMPTY()));
0149 
0150 SND_SOC_DAILINK_DEFS(intercodec,
0151     DAILINK_COMP_ARRAY(COMP_DUMMY()),
0152     DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5677-aif2")),
0153     DAILINK_COMP_ARRAY(COMP_DUMMY()));
0154 
0155 /* Digital audio interface glue - connects codec <---> CPU */
0156 static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = {
0157     /* Front End DAI links */
0158     [DAI_LINK_PLAYBACK] = {
0159         .name = "rt5650_rt5676 Playback",
0160         .stream_name = "rt5650_rt5676 Playback",
0161         .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
0162         .dynamic = 1,
0163         .dpcm_playback = 1,
0164         SND_SOC_DAILINK_REG(playback),
0165     },
0166     [DAI_LINK_CAPTURE] = {
0167         .name = "rt5650_rt5676 Capture",
0168         .stream_name = "rt5650_rt5676 Capture",
0169         .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
0170         .dynamic = 1,
0171         .dpcm_capture = 1,
0172         SND_SOC_DAILINK_REG(capture),
0173     },
0174     [DAI_LINK_HDMI] = {
0175         .name = "HDMI",
0176         .stream_name = "HDMI PCM",
0177         .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
0178         .dynamic = 1,
0179         .dpcm_playback = 1,
0180         SND_SOC_DAILINK_REG(hdmi_pcm),
0181     },
0182 
0183     /* Back End DAI links */
0184     [DAI_LINK_CODEC_I2S] = {
0185         .name = "Codec",
0186         .no_pcm = 1,
0187         .init = mt8173_rt5650_rt5676_init,
0188         .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
0189                SND_SOC_DAIFMT_CBS_CFS,
0190         .ops = &mt8173_rt5650_rt5676_ops,
0191         .ignore_pmdown_time = 1,
0192         .dpcm_playback = 1,
0193         .dpcm_capture = 1,
0194         SND_SOC_DAILINK_REG(codec),
0195     },
0196     [DAI_LINK_HDMI_I2S] = {
0197         .name = "HDMI BE",
0198         .no_pcm = 1,
0199         .dpcm_playback = 1,
0200         SND_SOC_DAILINK_REG(hdmi_be),
0201     },
0202     /* rt5676 <-> rt5650 intercodec link: Sets rt5676 I2S2 as master */
0203     [DAI_LINK_INTERCODEC] = {
0204         .name = "rt5650_rt5676 intercodec",
0205         .stream_name = "rt5650_rt5676 intercodec",
0206         .no_pcm = 1,
0207         .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
0208                SND_SOC_DAIFMT_CBM_CFM,
0209         SND_SOC_DAILINK_REG(intercodec),
0210     },
0211 };
0212 
0213 static struct snd_soc_codec_conf mt8173_rt5650_rt5676_codec_conf[] = {
0214     {
0215         .name_prefix = "Sub",
0216     },
0217 };
0218 
0219 static struct snd_soc_card mt8173_rt5650_rt5676_card = {
0220     .name = "mtk-rt5650-rt5676",
0221     .owner = THIS_MODULE,
0222     .dai_link = mt8173_rt5650_rt5676_dais,
0223     .num_links = ARRAY_SIZE(mt8173_rt5650_rt5676_dais),
0224     .codec_conf = mt8173_rt5650_rt5676_codec_conf,
0225     .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5676_codec_conf),
0226     .controls = mt8173_rt5650_rt5676_controls,
0227     .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5676_controls),
0228     .dapm_widgets = mt8173_rt5650_rt5676_widgets,
0229     .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5676_widgets),
0230     .dapm_routes = mt8173_rt5650_rt5676_routes,
0231     .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5676_routes),
0232 };
0233 
0234 static int mt8173_rt5650_rt5676_dev_probe(struct platform_device *pdev)
0235 {
0236     struct snd_soc_card *card = &mt8173_rt5650_rt5676_card;
0237     struct device_node *platform_node;
0238     struct snd_soc_dai_link *dai_link;
0239     int i, ret;
0240 
0241     platform_node = of_parse_phandle(pdev->dev.of_node,
0242                      "mediatek,platform", 0);
0243     if (!platform_node) {
0244         dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
0245         return -EINVAL;
0246     }
0247 
0248     for_each_card_prelinks(card, i, dai_link) {
0249         if (dai_link->platforms->name)
0250             continue;
0251         dai_link->platforms->of_node = platform_node;
0252     }
0253 
0254     mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node =
0255         of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
0256     if (!mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node) {
0257         dev_err(&pdev->dev,
0258             "Property 'audio-codec' missing or invalid\n");
0259         ret = -EINVAL;
0260         goto put_node;
0261     }
0262     mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node =
0263         of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
0264     if (!mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node) {
0265         dev_err(&pdev->dev,
0266             "Property 'audio-codec' missing or invalid\n");
0267         ret = -EINVAL;
0268         goto put_node;
0269     }
0270     mt8173_rt5650_rt5676_codec_conf[0].dlc.of_node =
0271         mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node;
0272 
0273     mt8173_rt5650_rt5676_dais[DAI_LINK_INTERCODEC].codecs->of_node =
0274         mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node;
0275 
0276     mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codecs->of_node =
0277         of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 2);
0278     if (!mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codecs->of_node) {
0279         dev_err(&pdev->dev,
0280             "Property 'audio-codec' missing or invalid\n");
0281         ret = -EINVAL;
0282         goto put_node;
0283     }
0284 
0285     card->dev = &pdev->dev;
0286 
0287     ret = devm_snd_soc_register_card(&pdev->dev, card);
0288 
0289 put_node:
0290     of_node_put(platform_node);
0291     return ret;
0292 }
0293 
0294 static const struct of_device_id mt8173_rt5650_rt5676_dt_match[] = {
0295     { .compatible = "mediatek,mt8173-rt5650-rt5676", },
0296     { }
0297 };
0298 MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5676_dt_match);
0299 
0300 static struct platform_driver mt8173_rt5650_rt5676_driver = {
0301     .driver = {
0302            .name = "mtk-rt5650-rt5676",
0303            .of_match_table = mt8173_rt5650_rt5676_dt_match,
0304            .pm = &snd_soc_pm_ops,
0305     },
0306     .probe = mt8173_rt5650_rt5676_dev_probe,
0307 };
0308 
0309 module_platform_driver(mt8173_rt5650_rt5676_driver);
0310 
0311 /* Module information */
0312 MODULE_DESCRIPTION("MT8173 RT5650 and RT5676 SoC machine driver");
0313 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
0314 MODULE_LICENSE("GPL v2");
0315 MODULE_ALIAS("platform:mtk-rt5650-rt5676");
0316
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