mirror of https://github.com/OpenIPC/firmware.git
331 lines
9.0 KiB
Diff
331 lines
9.0 KiB
Diff
diff -drupN a/sound/soc/sunxi/sun8iw11-sndcodec.c b/sound/soc/sunxi/sun8iw11-sndcodec.c
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--- a/sound/soc/sunxi/sun8iw11-sndcodec.c 1970-01-01 03:00:00.000000000 +0300
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+++ b/sound/soc/sunxi/sun8iw11-sndcodec.c 2022-06-12 05:28:14.000000000 +0300
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@@ -0,0 +1,326 @@
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+/*
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+ * sound\soc\sunxi\sunx8iw11_sndcodec.c
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+ * (C) Copyright 2014-2018
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+ * allwinner Technology Co., Ltd. <www.allwinnertech.com>
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+ * huangxin <huangxin@allwinnertech.com>
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+ * wolfgang huang <huangjinhui@allwinnetech.com>
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+ *
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+ * some simple description for this code
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+ *
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+ * This program is free software; you can redistribute it and/or
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+ * modify it under the terms of the GNU General Public License as
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+ * published by the Free Software Foundation; either version 2 of
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+ * the License, or (at your option) any later version.
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+ *
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+ */
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+
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+#include <linux/module.h>
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+#include <linux/clk.h>
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+#include <linux/mutex.h>
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+#include <linux/gpio.h>
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+#include <linux/of_gpio.h>
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+#include <linux/io.h>
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+#include <linux/input.h>
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+#include <sound/pcm.h>
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+#include <sound/soc.h>
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+#include <sound/jack.h>
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+#include <linux/of.h>
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+#include <sound/pcm_params.h>
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+#include <sound/soc-dapm.h>
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+#include <linux/delay.h>
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+
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+struct sunxi_card_priv {
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+ int jack_gpio;
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+ int jack_invert; /* 0->high is plug_in, 1->high is plug_out */
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+ struct snd_soc_jack jack_detect;
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+};
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+
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+/* Headphone jack detection DAPM pins */
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+static struct snd_soc_jack_pin sunxi_jack_pins[] = {
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+ {
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+ .pin = "Headphone",
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+ .mask = SND_JACK_HEADPHONE,
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+ },
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+};
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+
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+/* Headphone jack detection gpios */
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+static struct snd_soc_jack_gpio sunxi_jack_gpios[] = {
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+ {
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+ .name = "jack-det",
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+ .report = SND_JACK_HEADPHONE,
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+ .debounce_time = 200,
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+ },
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+};
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+
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+/* we only support Headphone & PHONEOUT, so just left LINEOUT no used */
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+static const struct snd_kcontrol_new sunxi_card_controls[] = {
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+ SOC_DAPM_PIN_SWITCH("Headphone"),
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+ //SOC_DAPM_PIN_SWITCH("Radio"),
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+ //SOC_DAPM_PIN_SWITCH("LINEIN"),
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+ SOC_DAPM_PIN_SWITCH("Phoneout Speaker"),
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+};
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+
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+static const struct snd_soc_dapm_widget sunxi_card_dapm_widgets[] = {
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+ SND_SOC_DAPM_MIC("Main Mic", NULL),
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+ SND_SOC_DAPM_HP("Headphone", NULL),
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+ SND_SOC_DAPM_LINE("Radio", NULL),
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+ SND_SOC_DAPM_SPK("Phoneout Speaker", NULL),
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+ SND_SOC_DAPM_LINE("LINEIN", NULL),
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+ SND_SOC_DAPM_LINE("LINEOUT", NULL),
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+};
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+
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+static const struct snd_soc_dapm_route sunxi_card_routes[] = {
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+ {"MainMic Bias", NULL, "Main Mic"},
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+ {"MIC1", NULL, "MainMic Bias"},
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+ {"MIC2", NULL, "MainMic Bias"},
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+ {"Headphone", NULL, "HPOUTL"},
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+ {"Headphone", NULL, "HPOUTR"},
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+ {"Phoneout Speaker", NULL, "PHONEOUTP"},
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+ {"Phoneout Speaker", NULL, "PHONEOUTN"},
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+ {"LINEINL", NULL, "LINEIN"},
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+ {"LINEINR", NULL, "LINEIN"},
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+ {"LINEOUT", NULL, "LINEOUTL"},
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+ {"LINEOUT", NULL, "LINEOUTR"},
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+ {"FML", NULL, "Radio"},
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+ {"FMR", NULL, "Radio"},
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+};
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+
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+/*
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+ * Card initialization
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+ */
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+static int sunxi_card_init(struct snd_soc_pcm_runtime *rtd)
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+{
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+ int ret;
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+ struct snd_soc_codec *codec = rtd->codec;
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+ struct snd_soc_dapm_context *dapm = &codec->component.dapm;
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+ struct sunxi_card_priv *priv = snd_soc_card_get_drvdata(rtd->card);
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+
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+ snd_soc_dapm_disable_pin(dapm, "Radio");
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+ snd_soc_dapm_disable_pin(dapm, "Headphone");
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+ snd_soc_dapm_disable_pin(dapm, "Phoneout Speaker");
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+ snd_soc_dapm_disable_pin(dapm, "LINEIN");
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+ snd_soc_dapm_disable_pin(dapm, "LINEOUT");
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+
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+ /* Headset jack detection only if it is supported */
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+ if (priv->jack_gpio > 0) {
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+ sunxi_jack_gpios[0].gpio = priv->jack_gpio;
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+ sunxi_jack_gpios[0].invert = priv->jack_invert;
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+
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+ ret = snd_soc_card_jack_new(rtd->card, "Headphone Jack",
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+ SND_JACK_HEADPHONE,
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+ &priv->jack_detect, NULL, 0);
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+ if (ret)
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+ return ret;
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+
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+ ret = snd_soc_jack_add_pins(&priv->jack_detect,
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+ ARRAY_SIZE(sunxi_jack_pins),
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+ sunxi_jack_pins);
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+ if (ret)
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+ return ret;
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+
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+ ret = snd_soc_jack_add_gpios(&priv->jack_detect,
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+ ARRAY_SIZE(sunxi_jack_gpios),
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+ sunxi_jack_gpios);
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+ if (ret) {
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+ dev_err(rtd->card->dev, "jack_add_gpios failed: %d,"
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+ "maybe gpio has't external interrupt ability\n",
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+ ret);
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+ return ret;
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+ }
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+ }
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+
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+ snd_soc_dapm_sync(dapm);
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+ return 0;
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+}
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+
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+static int sunxi_card_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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+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
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+ struct snd_soc_card *card = rtd->card;
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+ unsigned int freq;
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+ int ret;
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+
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+ switch (params_rate(params)) {
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+ case 8000:
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+ case 12000:
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+ case 16000:
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+ case 24000:
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+ case 32000:
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+ case 48000:
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+ case 96000:
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+ case 192000:
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+ freq = 24576000;
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+ break;
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+ case 11025:
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+ case 22050:
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+ case 44100:
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+ freq = 22579200;
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+ break;
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+ default:
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+ dev_err(card->dev, "invalid rate setting\n");
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+ return -EINVAL;
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+ }
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+
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+ ret = snd_soc_dai_set_sysclk(codec_dai, 0, freq, 0);
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+ if (ret < 0) {
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+ dev_err(card->dev, "set codec dai sysclk faided.\n");
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+ return ret;
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+ }
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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 sunxi_card_ops = {
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+ .hw_params = sunxi_card_hw_params,
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+};
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+
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+static int sunxi_card_suspend(struct snd_soc_card *card)
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+{
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+ struct sunxi_card_priv *priv = snd_soc_card_get_drvdata(card);
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+
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+ if (priv->jack_gpio > 0)
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+ snd_soc_jack_free_gpios(&priv->jack_detect,
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+ ARRAY_SIZE(sunxi_jack_gpios),
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+ sunxi_jack_gpios);
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+ return 0;
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+}
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+
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+static int sunxi_card_resume(struct snd_soc_card *card)
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+{
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+ struct sunxi_card_priv *priv = snd_soc_card_get_drvdata(card);
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+ int ret;
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+
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+ if (priv->jack_gpio > 0) {
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+ ret = snd_soc_jack_add_gpios(&priv->jack_detect,
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+ ARRAY_SIZE(sunxi_jack_gpios), sunxi_jack_gpios);
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+ if (ret < 0) {
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+ dev_err(card->dev, "jack_add_gpios failed: %d,"
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+ "maybe gpio has't external interrupt ability\n",
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+ ret);
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+ return ret;
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+ }
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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_dai_link sunxi_card_dai_link[] = {
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+ {
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+ .name = "audiocodec",
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+ .stream_name = "SUNXI-CODEC",
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+ .cpu_dai_name = "sunxi-internal-cpudai",
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+ .codec_dai_name = "sun8iw11codec",
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+ .platform_name = "sunxi-internal-cpudai",
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+ .codec_name = "sunxi-internal-codec",
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+ .init = sunxi_card_init,
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+ .ops = &sunxi_card_ops,
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+ },
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+};
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+
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+static struct snd_soc_card snd_soc_sunxi_card = {
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+ .name = "audiocodec",
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+ .owner = THIS_MODULE,
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+ .dai_link = sunxi_card_dai_link,
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+ .num_links = ARRAY_SIZE(sunxi_card_dai_link),
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+ .controls = sunxi_card_controls,
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+ .num_controls = ARRAY_SIZE(sunxi_card_controls),
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+ .dapm_widgets = sunxi_card_dapm_widgets,
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+ .num_dapm_widgets = ARRAY_SIZE(sunxi_card_dapm_widgets),
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+ .dapm_routes = sunxi_card_routes,
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+ .num_dapm_routes = ARRAY_SIZE(sunxi_card_routes),
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+ .suspend_post = sunxi_card_suspend,
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+ .resume_post = sunxi_card_resume,
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+};
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+
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+static int sunxi_card_dev_probe(struct platform_device *pdev)
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+{
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+ int ret = 0;
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+ unsigned int temp_val = 0;
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+ struct device_node *np = pdev->dev.of_node;
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+ struct snd_soc_card *card = &snd_soc_sunxi_card;
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+ struct sunxi_card_priv *priv;
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+
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+ /* register the soc card */
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+ card->dev = &pdev->dev;
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+
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+ priv = devm_kzalloc(&pdev->dev,
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+ sizeof(struct sunxi_card_priv), GFP_KERNEL);
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+ if (!priv)
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+ return -ENOMEM;
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+
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+ priv->jack_gpio = of_get_named_gpio(np,
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+ "jack_det_gpio", 0);
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+ ret = of_property_read_u32(np, "jack_invert", &temp_val);
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+ if (ret < 0) {
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+ dev_err(&pdev->dev, "jack_invert not setting, default setting 0\n");
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+ priv->jack_invert = 0;
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+ } else {
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+ priv->jack_invert = temp_val;
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+ }
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+
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+ sunxi_card_dai_link[0].cpu_dai_name = NULL;
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+ sunxi_card_dai_link[0].cpu_of_node = of_parse_phandle(np,
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+ "sunxi,cpudai-controller", 0);
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+ if (!sunxi_card_dai_link[0].cpu_of_node) {
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+ dev_err(&pdev->dev, "Property 'sunxi,cpudai-controller' missing or invalid\n");
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+ ret = -EINVAL;
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+ goto err_devm_kfree;
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+ } else {
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+ sunxi_card_dai_link[0].platform_name = NULL;
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+ sunxi_card_dai_link[0].platform_of_node =
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+ sunxi_card_dai_link[0].cpu_of_node;
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+ }
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+ sunxi_card_dai_link[0].codec_name = NULL;
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+ sunxi_card_dai_link[0].codec_of_node = of_parse_phandle(np,
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+ "sunxi,audio-codec", 0);
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+ if (!sunxi_card_dai_link[0].codec_of_node) {
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+ dev_err(&pdev->dev, "Property 'sunxi,audio-codec' missing or invalid\n");
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+ ret = -EINVAL;
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+ goto err_devm_kfree;
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+ }
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+
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+ snd_soc_card_set_drvdata(card, priv);
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+ ret = snd_soc_register_card(card);
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+ if (ret) {
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+ dev_err(&pdev->dev, "snd_soc_register_card failed %d\n", ret);
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+ goto err_devm_kfree;
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+ }
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+
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+ return 0;
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+
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+err_devm_kfree:
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+ devm_kfree(&pdev->dev, priv);
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+ return ret;
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+}
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+
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+static int __exit sunxi_card_dev_remove(struct platform_device *pdev)
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+{
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+ struct sunxi_card_priv *priv = dev_get_drvdata(&pdev->dev);
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+
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+ devm_kfree(&pdev->dev, priv);
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+ return 0;
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+}
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+
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+static const struct of_device_id sunxi_card_of_match[] = {
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+ { .compatible = "allwinner,sunxi-codec-machine", },
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+ {},
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+};
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+
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+static struct platform_driver sunxi_machine_driver = {
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+ .driver = {
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+ .name = "sunxi-codec-machine",
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+ .owner = THIS_MODULE,
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+ .pm = &snd_soc_pm_ops,
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+ .of_match_table = sunxi_card_of_match,
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+ },
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+ .probe = sunxi_card_dev_probe,
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+ .remove = __exit_p(sunxi_card_dev_remove),
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+};
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+
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+module_platform_driver(sunxi_machine_driver);
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+
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+MODULE_AUTHOR("wolfgang huang <huangjinhui@allwinnertech.com>");
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+MODULE_DESCRIPTION("SUNXI Codec Machine ASoC driver");
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+MODULE_LICENSE("GPL");
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+MODULE_ALIAS("platform:sunxi-codec-machine");
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