--- /dev/null
+/*
+ * mt8173-rt5650.c -- MT8173 machine driver with RT5650 codecs
+ *
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: Koro Chen <koro.chen@mediatek.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/gpio.h>
+#include <linux/of_gpio.h>
+#include <sound/soc.h>
+#include <sound/jack.h>
+#include "../codecs/rt5645.h"
+
+#define MCLK_FOR_CODECS 12288000
+
+static const struct snd_soc_dapm_widget mt8173_rt5650_widgets[] = {
+ SND_SOC_DAPM_SPK("Speaker", NULL),
+ SND_SOC_DAPM_MIC("Int Mic", NULL),
+ SND_SOC_DAPM_HP("Headphone", NULL),
+ SND_SOC_DAPM_MIC("Headset Mic", NULL),
+};
+
+static const struct snd_soc_dapm_route mt8173_rt5650_routes[] = {
+ {"Speaker", NULL, "SPOL"},
+ {"Speaker", NULL, "SPOR"},
+ {"DMIC L1", NULL, "Int Mic"},
+ {"DMIC R1", NULL, "Int Mic"},
+ {"Headphone", NULL, "HPOL"},
+ {"Headphone", NULL, "HPOR"},
+ {"Headset Mic", NULL, "micbias1"},
+ {"Headset Mic", NULL, "micbias2"},
+ {"IN1P", NULL, "Headset Mic"},
+ {"IN1N", NULL, "Headset Mic"},
+};
+
+static const struct snd_kcontrol_new mt8173_rt5650_controls[] = {
+ SOC_DAPM_PIN_SWITCH("Speaker"),
+ SOC_DAPM_PIN_SWITCH("Int Mic"),
+ SOC_DAPM_PIN_SWITCH("Headphone"),
+ SOC_DAPM_PIN_SWITCH("Headset Mic"),
+};
+
+static int mt8173_rt5650_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ int i, ret;
+
+ for (i = 0; i < rtd->num_codecs; i++) {
+ struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
+
+ /* pll from mclk 12.288M */
+ ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
+ params_rate(params) * 512);
+ if (ret)
+ return ret;
+
+ /* sysclk from pll */
+ ret = snd_soc_dai_set_sysclk(codec_dai, 1,
+ params_rate(params) * 512,
+ SND_SOC_CLOCK_IN);
+ if (ret)
+ return ret;
+ }
+ return 0;
+}
+
+static struct snd_soc_ops mt8173_rt5650_ops = {
+ .hw_params = mt8173_rt5650_hw_params,
+};
+
+static struct snd_soc_jack mt8173_rt5650_jack;
+
+static int mt8173_rt5650_init(struct snd_soc_pcm_runtime *runtime)
+{
+ struct snd_soc_card *card = runtime->card;
+ struct snd_soc_codec *codec = runtime->codec_dais[0]->codec;
+ int ret;
+
+ rt5645_sel_asrc_clk_src(codec,
+ RT5645_DA_STEREO_FILTER |
+ RT5645_AD_STEREO_FILTER,
+ RT5645_CLK_SEL_I2S1_ASRC);
+ /* enable jack detection */
+ ret = snd_soc_card_jack_new(card, "Headset Jack",
+ SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
+ SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+ SND_JACK_BTN_2 | SND_JACK_BTN_3,
+ &mt8173_rt5650_jack, NULL, 0);
+ if (ret) {
+ dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
+ return ret;
+ }
+
+ return rt5645_set_jack_detect(codec,
+ &mt8173_rt5650_jack,
+ &mt8173_rt5650_jack,
+ &mt8173_rt5650_jack);
+}
+
+static struct snd_soc_dai_link_component mt8173_rt5650_codecs[] = {
+ {
+ .dai_name = "rt5645-aif1",
+ },
+};
+
+enum {
+ DAI_LINK_PLAYBACK,
+ DAI_LINK_CAPTURE,
+ DAI_LINK_CODEC_I2S,
+};
+
+/* Digital audio interface glue - connects codec <---> CPU */
+static struct snd_soc_dai_link mt8173_rt5650_dais[] = {
+ /* Front End DAI links */
+ [DAI_LINK_PLAYBACK] = {
+ .name = "rt5650 Playback",
+ .stream_name = "rt5650 Playback",
+ .cpu_dai_name = "DL1",
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+ .dynamic = 1,
+ .dpcm_playback = 1,
+ },
+ [DAI_LINK_CAPTURE] = {
+ .name = "rt5650 Capture",
+ .stream_name = "rt5650 Capture",
+ .cpu_dai_name = "VUL",
+ .codec_name = "snd-soc-dummy",
+ .codec_dai_name = "snd-soc-dummy-dai",
+ .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+ .dynamic = 1,
+ .dpcm_capture = 1,
+ },
+ /* Back End DAI links */
+ [DAI_LINK_CODEC_I2S] = {
+ .name = "Codec",
+ .cpu_dai_name = "I2S",
+ .no_pcm = 1,
+ .codecs = mt8173_rt5650_codecs,
+ .num_codecs = 1,
+ .init = mt8173_rt5650_init,
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS,
+ .ops = &mt8173_rt5650_ops,
+ .ignore_pmdown_time = 1,
+ .dpcm_playback = 1,
+ .dpcm_capture = 1,
+ },
+};
+
+static struct snd_soc_card mt8173_rt5650_card = {
+ .name = "mtk-rt5650",
+ .owner = THIS_MODULE,
+ .dai_link = mt8173_rt5650_dais,
+ .num_links = ARRAY_SIZE(mt8173_rt5650_dais),
+ .controls = mt8173_rt5650_controls,
+ .num_controls = ARRAY_SIZE(mt8173_rt5650_controls),
+ .dapm_widgets = mt8173_rt5650_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_widgets),
+ .dapm_routes = mt8173_rt5650_routes,
+ .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_routes),
+};
+
+static int mt8173_rt5650_dev_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = &mt8173_rt5650_card;
+ struct device_node *platform_node;
+ int i, ret;
+
+ platform_node = of_parse_phandle(pdev->dev.of_node,
+ "mediatek,platform", 0);
+ if (!platform_node) {
+ dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
+ return -EINVAL;
+ }
+
+ for (i = 0; i < card->num_links; i++) {
+ if (mt8173_rt5650_dais[i].platform_name)
+ continue;
+ mt8173_rt5650_dais[i].platform_of_node = platform_node;
+ }
+
+ mt8173_rt5650_codecs[0].of_node =
+ of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
+ if (!mt8173_rt5650_codecs[0].of_node) {
+ dev_err(&pdev->dev,
+ "Property 'audio-codec' missing or invalid\n");
+ return -EINVAL;
+ }
+ card->dev = &pdev->dev;
+ platform_set_drvdata(pdev, card);
+
+ ret = devm_snd_soc_register_card(&pdev->dev, card);
+ if (ret)
+ dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
+ __func__, ret);
+ return ret;
+}
+
+static const struct of_device_id mt8173_rt5650_dt_match[] = {
+ { .compatible = "mediatek,mt8173-rt5650", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, mt8173_rt5650_dt_match);
+
+static struct platform_driver mt8173_rt5650_driver = {
+ .driver = {
+ .name = "mtk-rt5650",
+ .of_match_table = mt8173_rt5650_dt_match,
+#ifdef CONFIG_PM
+ .pm = &snd_soc_pm_ops,
+#endif
+ },
+ .probe = mt8173_rt5650_dev_probe,
+};
+
+module_platform_driver(mt8173_rt5650_driver);
+
+/* Module information */
+MODULE_DESCRIPTION("MT8173 RT5650 SoC machine driver");
+MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:mtk-rt5650");
+
projects / linux-beck.git / commitdiff