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+/*
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+ * mt8173-rt5650-rt5514.c -- MT8173 machine driver with RT5650/5514 codecs
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+ *
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+ * Copyright (c) 2016 MediaTek Inc.
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+ * Author: Koro Chen <koro.chen@mediatek.com>
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2 and
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+ * only version 2 as published by the Free Software Foundation.
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ */
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+
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+#include <linux/module.h>
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+#include <linux/gpio.h>
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+#include <linux/of_gpio.h>
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+#include <sound/soc.h>
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+#include <sound/jack.h>
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+#include "../codecs/rt5645.h"
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+
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+#define MCLK_FOR_CODECS 12288000
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+
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+static const struct snd_soc_dapm_widget mt8173_rt5650_rt5514_widgets[] = {
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+ SND_SOC_DAPM_SPK("Speaker", NULL),
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+ SND_SOC_DAPM_MIC("Int Mic", NULL),
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+ SND_SOC_DAPM_HP("Headphone", NULL),
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+ SND_SOC_DAPM_MIC("Headset Mic", NULL),
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+};
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+
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+static const struct snd_soc_dapm_route mt8173_rt5650_rt5514_routes[] = {
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+ {"Speaker", NULL, "SPOL"},
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+ {"Speaker", NULL, "SPOR"},
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+ {"Sub DMIC1L", NULL, "Int Mic"},
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+ {"Sub DMIC1R", NULL, "Int Mic"},
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+ {"Headphone", NULL, "HPOL"},
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+ {"Headphone", NULL, "HPOR"},
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+ {"Headset Mic", NULL, "micbias1"},
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+ {"Headset Mic", NULL, "micbias2"},
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+ {"IN1P", NULL, "Headset Mic"},
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+ {"IN1N", NULL, "Headset Mic"},
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+};
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+
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+static const struct snd_kcontrol_new mt8173_rt5650_rt5514_controls[] = {
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+ SOC_DAPM_PIN_SWITCH("Speaker"),
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+ SOC_DAPM_PIN_SWITCH("Int Mic"),
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+ SOC_DAPM_PIN_SWITCH("Headphone"),
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+ SOC_DAPM_PIN_SWITCH("Headset Mic"),
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+};
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+
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+static int mt8173_rt5650_rt5514_hw_params(struct snd_pcm_substream *substream,
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+ struct snd_pcm_hw_params *params)
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+{
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+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
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+ int i, ret;
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+
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+ for (i = 0; i < rtd->num_codecs; i++) {
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+ struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
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+
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+ /* pll from mclk 12.288M */
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+ ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
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+ params_rate(params) * 512);
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+ if (ret)
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+ return ret;
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+
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+ /* sysclk from pll */
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+ ret = snd_soc_dai_set_sysclk(codec_dai, 1,
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+ params_rate(params) * 512,
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+ SND_SOC_CLOCK_IN);
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+ if (ret)
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+ return ret;
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+ }
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+ return 0;
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+}
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+
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+static struct snd_soc_ops mt8173_rt5650_rt5514_ops = {
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+ .hw_params = mt8173_rt5650_rt5514_hw_params,
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+};
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+
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+static struct snd_soc_jack mt8173_rt5650_rt5514_jack;
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+
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+static int mt8173_rt5650_rt5514_init(struct snd_soc_pcm_runtime *runtime)
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+{
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+ struct snd_soc_card *card = runtime->card;
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+ struct snd_soc_codec *codec = runtime->codec_dais[0]->codec;
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+ int ret;
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+
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+ rt5645_sel_asrc_clk_src(codec,
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+ RT5645_DA_STEREO_FILTER |
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+ RT5645_AD_STEREO_FILTER,
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+ RT5645_CLK_SEL_I2S1_ASRC);
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+
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+ /* enable jack detection */
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+ ret = snd_soc_card_jack_new(card, "Headset Jack",
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+ SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
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+ SND_JACK_BTN_0 | SND_JACK_BTN_1 |
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+ SND_JACK_BTN_2 | SND_JACK_BTN_3,
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+ &mt8173_rt5650_rt5514_jack, NULL, 0);
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+ if (ret) {
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+ dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
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+ return ret;
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+ }
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+
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+ return rt5645_set_jack_detect(codec,
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+ &mt8173_rt5650_rt5514_jack,
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+ &mt8173_rt5650_rt5514_jack,
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+ &mt8173_rt5650_rt5514_jack);
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+}
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+
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+static struct snd_soc_dai_link_component mt8173_rt5650_rt5514_codecs[] = {
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+ {
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+ .dai_name = "rt5645-aif1",
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+ },
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+ {
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+ .dai_name = "rt5514-aif1",
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+ },
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+};
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+
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+enum {
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+ DAI_LINK_PLAYBACK,
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+ DAI_LINK_CAPTURE,
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+ DAI_LINK_CODEC_I2S,
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+};
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+
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+/* Digital audio interface glue - connects codec <---> CPU */
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+static struct snd_soc_dai_link mt8173_rt5650_rt5514_dais[] = {
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+ /* Front End DAI links */
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+ [DAI_LINK_PLAYBACK] = {
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+ .name = "rt5650_rt5514 Playback",
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+ .stream_name = "rt5650_rt5514 Playback",
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+ .cpu_dai_name = "DL1",
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+ .codec_name = "snd-soc-dummy",
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+ .codec_dai_name = "snd-soc-dummy-dai",
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+ .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
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+ .dynamic = 1,
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+ .dpcm_playback = 1,
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+ },
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+ [DAI_LINK_CAPTURE] = {
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+ .name = "rt5650_rt5514 Capture",
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+ .stream_name = "rt5650_rt5514 Capture",
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+ .cpu_dai_name = "VUL",
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+ .codec_name = "snd-soc-dummy",
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+ .codec_dai_name = "snd-soc-dummy-dai",
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+ .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
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+ .dynamic = 1,
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+ .dpcm_capture = 1,
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+ },
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+ /* Back End DAI links */
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+ [DAI_LINK_CODEC_I2S] = {
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+ .name = "Codec",
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+ .cpu_dai_name = "I2S",
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+ .no_pcm = 1,
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+ .codecs = mt8173_rt5650_rt5514_codecs,
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+ .num_codecs = 2,
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+ .init = mt8173_rt5650_rt5514_init,
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+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
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+ SND_SOC_DAIFMT_CBS_CFS,
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+ .ops = &mt8173_rt5650_rt5514_ops,
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+ .ignore_pmdown_time = 1,
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+ .dpcm_playback = 1,
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+ .dpcm_capture = 1,
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+ },
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+};
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+
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+static struct snd_soc_codec_conf mt8173_rt5650_rt5514_codec_conf[] = {
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+ {
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+ .name_prefix = "Sub",
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+ },
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+};
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+
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+static struct snd_soc_card mt8173_rt5650_rt5514_card = {
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+ .name = "mtk-rt5650-rt5514",
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+ .owner = THIS_MODULE,
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+ .dai_link = mt8173_rt5650_rt5514_dais,
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+ .num_links = ARRAY_SIZE(mt8173_rt5650_rt5514_dais),
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+ .codec_conf = mt8173_rt5650_rt5514_codec_conf,
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+ .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5514_codec_conf),
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+ .controls = mt8173_rt5650_rt5514_controls,
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+ .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5514_controls),
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+ .dapm_widgets = mt8173_rt5650_rt5514_widgets,
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+ .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5514_widgets),
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+ .dapm_routes = mt8173_rt5650_rt5514_routes,
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+ .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5514_routes),
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+};
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+
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+static int mt8173_rt5650_rt5514_dev_probe(struct platform_device *pdev)
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+{
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+ struct snd_soc_card *card = &mt8173_rt5650_rt5514_card;
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+ struct device_node *platform_node;
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+ int i, ret;
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+
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+ platform_node = of_parse_phandle(pdev->dev.of_node,
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+ "mediatek,platform", 0);
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+ if (!platform_node) {
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+ dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
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+ return -EINVAL;
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+ }
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+
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+ for (i = 0; i < card->num_links; i++) {
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+ if (mt8173_rt5650_rt5514_dais[i].platform_name)
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+ continue;
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+ mt8173_rt5650_rt5514_dais[i].platform_of_node = platform_node;
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+ }
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+
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+ mt8173_rt5650_rt5514_codecs[0].of_node =
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+ of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
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+ if (!mt8173_rt5650_rt5514_codecs[0].of_node) {
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+ dev_err(&pdev->dev,
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+ "Property 'audio-codec' missing or invalid\n");
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+ return -EINVAL;
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+ }
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+ mt8173_rt5650_rt5514_codecs[1].of_node =
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+ of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
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+ if (!mt8173_rt5650_rt5514_codecs[1].of_node) {
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+ dev_err(&pdev->dev,
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+ "Property 'audio-codec' missing or invalid\n");
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+ return -EINVAL;
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+ }
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+ mt8173_rt5650_rt5514_codec_conf[0].of_node =
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+ mt8173_rt5650_rt5514_codecs[1].of_node;
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+
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+ card->dev = &pdev->dev;
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+ platform_set_drvdata(pdev, card);
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+
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+ ret = devm_snd_soc_register_card(&pdev->dev, card);
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+ if (ret)
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+ dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
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+ __func__, ret);
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+ return ret;
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+}
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+
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+static const struct of_device_id mt8173_rt5650_rt5514_dt_match[] = {
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+ { .compatible = "mediatek,mt8173-rt5650-rt5514", },
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+ { }
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+};
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+MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5514_dt_match);
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+
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+static struct platform_driver mt8173_rt5650_rt5514_driver = {
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+ .driver = {
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+ .name = "mtk-rt5650-rt5514",
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+ .of_match_table = mt8173_rt5650_rt5514_dt_match,
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+#ifdef CONFIG_PM
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+ .pm = &snd_soc_pm_ops,
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+#endif
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+ },
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+ .probe = mt8173_rt5650_rt5514_dev_probe,
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+};
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+
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+module_platform_driver(mt8173_rt5650_rt5514_driver);
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+
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+/* Module information */
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+MODULE_DESCRIPTION("MT8173 RT5650 and RT5514 SoC machine driver");
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+MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
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+MODULE_LICENSE("GPL v2");
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+MODULE_ALIAS("platform:mtk-rt5650-rt5514");
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+
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Koro Chen