13a280ed1SRyder Lee // SPDX-License-Identifier: GPL-2.0
28625c1dbSRyder Lee /*
38625c1dbSRyder Lee * mt2701-wm8960.c -- MT2701 WM8960 ALSA SoC machine driver
48625c1dbSRyder Lee *
58625c1dbSRyder Lee * Copyright (c) 2017 MediaTek Inc.
68625c1dbSRyder Lee * Author: Ryder Lee <ryder.lee@mediatek.com>
78625c1dbSRyder Lee */
88625c1dbSRyder Lee
98625c1dbSRyder Lee #include <linux/module.h>
108625c1dbSRyder Lee #include <sound/soc.h>
118625c1dbSRyder Lee
128625c1dbSRyder Lee #include "mt2701-afe-common.h"
138625c1dbSRyder Lee
148625c1dbSRyder Lee static const struct snd_soc_dapm_widget mt2701_wm8960_widgets[] = {
158625c1dbSRyder Lee SND_SOC_DAPM_HP("Headphone", NULL),
168625c1dbSRyder Lee SND_SOC_DAPM_MIC("AMIC", NULL),
178625c1dbSRyder Lee };
188625c1dbSRyder Lee
198625c1dbSRyder Lee static const struct snd_kcontrol_new mt2701_wm8960_controls[] = {
208625c1dbSRyder Lee SOC_DAPM_PIN_SWITCH("Headphone"),
218625c1dbSRyder Lee SOC_DAPM_PIN_SWITCH("AMIC"),
228625c1dbSRyder Lee };
238625c1dbSRyder Lee
mt2701_wm8960_be_ops_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)248625c1dbSRyder Lee static int mt2701_wm8960_be_ops_hw_params(struct snd_pcm_substream *substream,
258625c1dbSRyder Lee struct snd_pcm_hw_params *params)
268625c1dbSRyder Lee {
270cd08b10SKuninori Morimoto struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
28c8ac8212SKuninori Morimoto struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
29c8ac8212SKuninori Morimoto struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
308625c1dbSRyder Lee unsigned int mclk_rate;
318625c1dbSRyder Lee unsigned int rate = params_rate(params);
328625c1dbSRyder Lee unsigned int div_mclk_over_bck = rate > 192000 ? 2 : 4;
338625c1dbSRyder Lee unsigned int div_bck_over_lrck = 64;
348625c1dbSRyder Lee
358625c1dbSRyder Lee mclk_rate = rate * div_bck_over_lrck * div_mclk_over_bck;
368625c1dbSRyder Lee
378625c1dbSRyder Lee snd_soc_dai_set_sysclk(cpu_dai, 0, mclk_rate, SND_SOC_CLOCK_OUT);
388625c1dbSRyder Lee snd_soc_dai_set_sysclk(codec_dai, 0, mclk_rate, SND_SOC_CLOCK_IN);
398625c1dbSRyder Lee
408625c1dbSRyder Lee return 0;
418625c1dbSRyder Lee }
428625c1dbSRyder Lee
43abed054fSRikard Falkeborn static const struct snd_soc_ops mt2701_wm8960_be_ops = {
448625c1dbSRyder Lee .hw_params = mt2701_wm8960_be_ops_hw_params
458625c1dbSRyder Lee };
468625c1dbSRyder Lee
47b664e06dSKuninori Morimoto SND_SOC_DAILINK_DEFS(playback,
48b664e06dSKuninori Morimoto DAILINK_COMP_ARRAY(COMP_CPU("PCMO0")),
49b664e06dSKuninori Morimoto DAILINK_COMP_ARRAY(COMP_DUMMY()),
50b664e06dSKuninori Morimoto DAILINK_COMP_ARRAY(COMP_EMPTY()));
51b664e06dSKuninori Morimoto
52b664e06dSKuninori Morimoto SND_SOC_DAILINK_DEFS(capture,
53b664e06dSKuninori Morimoto DAILINK_COMP_ARRAY(COMP_CPU("PCM0")),
54b664e06dSKuninori Morimoto DAILINK_COMP_ARRAY(COMP_DUMMY()),
55b664e06dSKuninori Morimoto DAILINK_COMP_ARRAY(COMP_EMPTY()));
56b664e06dSKuninori Morimoto
57b664e06dSKuninori Morimoto SND_SOC_DAILINK_DEFS(codec,
58b664e06dSKuninori Morimoto DAILINK_COMP_ARRAY(COMP_CPU("I2S0")),
59b664e06dSKuninori Morimoto DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8960-hifi")),
60b664e06dSKuninori Morimoto DAILINK_COMP_ARRAY(COMP_EMPTY()));
61b664e06dSKuninori Morimoto
628625c1dbSRyder Lee static struct snd_soc_dai_link mt2701_wm8960_dai_links[] = {
638625c1dbSRyder Lee /* FE */
648625c1dbSRyder Lee {
658625c1dbSRyder Lee .name = "wm8960-playback",
668625c1dbSRyder Lee .stream_name = "wm8960-playback",
678625c1dbSRyder Lee .trigger = {SND_SOC_DPCM_TRIGGER_POST,
688625c1dbSRyder Lee SND_SOC_DPCM_TRIGGER_POST},
698625c1dbSRyder Lee .dynamic = 1,
708625c1dbSRyder Lee .dpcm_playback = 1,
71b664e06dSKuninori Morimoto SND_SOC_DAILINK_REG(playback),
728625c1dbSRyder Lee },
738625c1dbSRyder Lee {
748625c1dbSRyder Lee .name = "wm8960-capture",
758625c1dbSRyder Lee .stream_name = "wm8960-capture",
768625c1dbSRyder Lee .trigger = {SND_SOC_DPCM_TRIGGER_POST,
778625c1dbSRyder Lee SND_SOC_DPCM_TRIGGER_POST},
788625c1dbSRyder Lee .dynamic = 1,
798625c1dbSRyder Lee .dpcm_capture = 1,
80b664e06dSKuninori Morimoto SND_SOC_DAILINK_REG(capture),
818625c1dbSRyder Lee },
828625c1dbSRyder Lee /* BE */
838625c1dbSRyder Lee {
848625c1dbSRyder Lee .name = "wm8960-codec",
858625c1dbSRyder Lee .no_pcm = 1,
868625c1dbSRyder Lee .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS
878625c1dbSRyder Lee | SND_SOC_DAIFMT_GATED,
888625c1dbSRyder Lee .ops = &mt2701_wm8960_be_ops,
898625c1dbSRyder Lee .dpcm_playback = 1,
908625c1dbSRyder Lee .dpcm_capture = 1,
91b664e06dSKuninori Morimoto SND_SOC_DAILINK_REG(codec),
928625c1dbSRyder Lee },
938625c1dbSRyder Lee };
948625c1dbSRyder Lee
958625c1dbSRyder Lee static struct snd_soc_card mt2701_wm8960_card = {
968625c1dbSRyder Lee .name = "mt2701-wm8960",
978625c1dbSRyder Lee .owner = THIS_MODULE,
988625c1dbSRyder Lee .dai_link = mt2701_wm8960_dai_links,
998625c1dbSRyder Lee .num_links = ARRAY_SIZE(mt2701_wm8960_dai_links),
1008625c1dbSRyder Lee .controls = mt2701_wm8960_controls,
1018625c1dbSRyder Lee .num_controls = ARRAY_SIZE(mt2701_wm8960_controls),
1028625c1dbSRyder Lee .dapm_widgets = mt2701_wm8960_widgets,
1038625c1dbSRyder Lee .num_dapm_widgets = ARRAY_SIZE(mt2701_wm8960_widgets),
1048625c1dbSRyder Lee };
1058625c1dbSRyder Lee
mt2701_wm8960_machine_probe(struct platform_device * pdev)1068625c1dbSRyder Lee static int mt2701_wm8960_machine_probe(struct platform_device *pdev)
1078625c1dbSRyder Lee {
1088625c1dbSRyder Lee struct snd_soc_card *card = &mt2701_wm8960_card;
1098625c1dbSRyder Lee struct device_node *platform_node, *codec_node;
1107fe072b4SKuninori Morimoto struct snd_soc_dai_link *dai_link;
1118625c1dbSRyder Lee int ret, i;
1128625c1dbSRyder Lee
1138625c1dbSRyder Lee platform_node = of_parse_phandle(pdev->dev.of_node,
1148625c1dbSRyder Lee "mediatek,platform", 0);
1158625c1dbSRyder Lee if (!platform_node) {
1168625c1dbSRyder Lee dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
1178625c1dbSRyder Lee return -EINVAL;
1188625c1dbSRyder Lee }
1197fe072b4SKuninori Morimoto for_each_card_prelinks(card, i, dai_link) {
120b664e06dSKuninori Morimoto if (dai_link->platforms->name)
1218625c1dbSRyder Lee continue;
122b664e06dSKuninori Morimoto dai_link->platforms->of_node = platform_node;
1238625c1dbSRyder Lee }
1248625c1dbSRyder Lee
1258625c1dbSRyder Lee card->dev = &pdev->dev;
1268625c1dbSRyder Lee
1278625c1dbSRyder Lee codec_node = of_parse_phandle(pdev->dev.of_node,
1288625c1dbSRyder Lee "mediatek,audio-codec", 0);
1298625c1dbSRyder Lee if (!codec_node) {
1308625c1dbSRyder Lee dev_err(&pdev->dev,
1318625c1dbSRyder Lee "Property 'audio-codec' missing or invalid\n");
13205654431SMiaoqian Lin ret = -EINVAL;
13305654431SMiaoqian Lin goto put_platform_node;
1348625c1dbSRyder Lee }
1357fe072b4SKuninori Morimoto for_each_card_prelinks(card, i, dai_link) {
136b664e06dSKuninori Morimoto if (dai_link->codecs->name)
1378625c1dbSRyder Lee continue;
138b664e06dSKuninori Morimoto dai_link->codecs->of_node = codec_node;
1398625c1dbSRyder Lee }
1408625c1dbSRyder Lee
1418625c1dbSRyder Lee ret = snd_soc_of_parse_audio_routing(card, "audio-routing");
1428625c1dbSRyder Lee if (ret) {
1438625c1dbSRyder Lee dev_err(&pdev->dev, "failed to parse audio-routing: %d\n", ret);
14405654431SMiaoqian Lin goto put_codec_node;
1458625c1dbSRyder Lee }
1468625c1dbSRyder Lee
1478625c1dbSRyder Lee ret = devm_snd_soc_register_card(&pdev->dev, card);
1488625c1dbSRyder Lee if (ret)
1498625c1dbSRyder Lee dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
1508625c1dbSRyder Lee __func__, ret);
1518625c1dbSRyder Lee
15205654431SMiaoqian Lin put_codec_node:
15305654431SMiaoqian Lin of_node_put(codec_node);
15405654431SMiaoqian Lin put_platform_node:
15505654431SMiaoqian Lin of_node_put(platform_node);
1568625c1dbSRyder Lee return ret;
1578625c1dbSRyder Lee }
1588625c1dbSRyder Lee
1598625c1dbSRyder Lee #ifdef CONFIG_OF
1608625c1dbSRyder Lee static const struct of_device_id mt2701_wm8960_machine_dt_match[] = {
1618625c1dbSRyder Lee {.compatible = "mediatek,mt2701-wm8960-machine",},
1628625c1dbSRyder Lee {}
1638625c1dbSRyder Lee };
164*59429a5eSNícolas F. R. A. Prado MODULE_DEVICE_TABLE(of, mt2701_wm8960_machine_dt_match);
1658625c1dbSRyder Lee #endif
1668625c1dbSRyder Lee
1678625c1dbSRyder Lee static struct platform_driver mt2701_wm8960_machine = {
1688625c1dbSRyder Lee .driver = {
1698625c1dbSRyder Lee .name = "mt2701-wm8960",
1708625c1dbSRyder Lee #ifdef CONFIG_OF
1718625c1dbSRyder Lee .of_match_table = mt2701_wm8960_machine_dt_match,
1728625c1dbSRyder Lee #endif
1738625c1dbSRyder Lee },
1748625c1dbSRyder Lee .probe = mt2701_wm8960_machine_probe,
1758625c1dbSRyder Lee };
1768625c1dbSRyder Lee
1778625c1dbSRyder Lee module_platform_driver(mt2701_wm8960_machine);
1788625c1dbSRyder Lee
1798625c1dbSRyder Lee /* Module information */
1808625c1dbSRyder Lee MODULE_DESCRIPTION("MT2701 WM8960 ALSA SoC machine driver");
1818625c1dbSRyder Lee MODULE_AUTHOR("Ryder Lee <ryder.lee@mediatek.com>");
1828625c1dbSRyder Lee MODULE_LICENSE("GPL v2");
1838625c1dbSRyder Lee MODULE_ALIAS("mt2701 wm8960 soc card");
1848625c1dbSRyder Lee
185