SmartAudio/lichee/linux-4.9/sound/soc/sunxi/sun30iw1-sndcodec.c

/*
 * sound\soc\sunxi\sun8iw15-sndcodec.c
 * (C) Copyright 2014-2018
 * Reuuimlla Technology Co., Ltd. <www.reuuimllatech.com>
 * huangxin <huangxin@Reuuimllatech.com>
 * liushaohua <liushaohua@allwinnertech.com>
 * yumingfengng <yumingfeng@allwinnertech.com>
 *
 *
 * some simple description for this code
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 */
#include <linux/module.h>
#include <linux/clk.h>
#include <linux/mutex.h>
#include <linux/gpio.h>
#include <linux/io.h>
#include <linux/input.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/jack.h>
#include <linux/of.h>
#include <sound/pcm_params.h>
#include <sound/soc-dapm.h>
#include "sun30iw1-codec.h"
#include <linux/delay.h>

#include "sunxi_rw_func.h"

#ifdef CONFIG_SND_SOC_HUB
#include "sunxi_hub.h"
#endif

#ifdef CONFIG_SND_SUNXI_MAD
#include "sunxi-mad.h"
static struct sunxi_mad_priv sunxi_sndcodec_priv;
#endif

typedef enum {
	RESUME_IRQ  = 0x0,
	SYSINIT_IRQ = 0x1,
	OTHER_IRQ   = 0x2,
} _jack_irq_times;

struct mc_private {
	struct delayed_work hs_init_work;
	struct delayed_work hs_detect_work;
	struct delayed_work hs_button_work;
	struct mutex jack_mlock;
	struct snd_soc_jack jack;
	struct snd_soc_codec *codec;
	struct timeval tv_headset_plugin;/*4*/
	_jack_irq_times jack_irq_times;
	u32 detect_state;
	u32 jackirq;		/*switch irq*/
	u32 HEADSET_DATA;	/*threshod for switch insert*/
	u32 headset_basedata;
	u32 switch_status;
	u32 aif2master;
	u32 aif2fmt;
	u32 aif3fmt;
	u32 key_volup;
	u32 key_voldown;
	u32 key_hook;
	u32 hp_detect_case;
};

enum HPDETECTWAY {
	HP_DETECT_LOW = 0x0,
	HP_DETECT_HIGH = 0x1,
};

enum dectect_jack {
	PLUG_OUT = 0x0,
	PLUG_IN  = 0x1,
};

static bool is_irq;
static int switch_state;
static struct snd_soc_dai *card0_device0_interface;

/*
 * Identify the jack type as Headset/Headphone/None
 */
static int sunxi_check_jack_type(struct snd_soc_jack *jack)
{
	u32 reg_val = 0;
	u32 jack_type = 0, tempdata = 0;
	struct mc_private *ctx = container_of(jack, struct mc_private, jack);

	reg_val = snd_soc_read(ctx->codec, SUNXI_HMIC_STS);
	tempdata = (reg_val >> HMIC_DATA) & 0x1f;

	ctx->headset_basedata = tempdata;
	if (tempdata >= ctx->HEADSET_DATA) {
		pr_debug("[SND_JACK_HEADSET], ctx->HEADSET_DATA:0x%x\n",
		       ctx->HEADSET_DATA);
		/*
		 * headset:4
		 */
		jack_type = SND_JACK_HEADSET;
	} else {
		/*
		 * headphone:3
		 * disable hbias and adc
		 */
		pr_debug("[SND_JACK_HEADPHONE] ctx->HEADSET_DATA:0x%x\n",
			ctx->HEADSET_DATA);

		jack_type = SND_JACK_HEADPHONE;
	}

	return jack_type;
}

/* Checks jack insertion and identifies the jack type.*/
static void sunxi_check_hs_detect_status(struct work_struct *work)
{
	struct mc_private *ctx =
	    container_of(work, struct mc_private, hs_detect_work.work);
	int jack_type = 0, reg_val = 0;

	mutex_lock(&ctx->jack_mlock);
	if (ctx->detect_state == PLUG_IN) {

		msleep(400);
		jack_type = sunxi_check_jack_type(&ctx->jack);
		if (jack_type != ctx->switch_status) {
			ctx->switch_status = jack_type;
			snd_jack_report(ctx->jack.jack, jack_type);
			pr_debug("switch:%d\n", jack_type);
			switch_state = jack_type;
		}

		/*
		 * if SND_JACK_HEADSET,enable mic detect irq
		 */
		if (jack_type == SND_JACK_HEADSET) {
			/*
			 * headset:clear headset insert pending.
			 */
			reg_val = snd_soc_read(ctx->codec, SUNXI_HMIC_STS);
			ctx->headset_basedata = (reg_val >> HMIC_DATA) & 0x1f;
			if (ctx->headset_basedata > 3)
				ctx->headset_basedata -= 3;

			do_gettimeofday(&ctx->tv_headset_plugin);
			usleep_range(1000, 2000);
			snd_soc_update_bits(ctx->codec, SUNXI_HMIC_CTRL2,
				(0x1f << MDATA_THRESHOLD),
				(ctx->headset_basedata << MDATA_THRESHOLD));
			snd_soc_update_bits(ctx->codec, SUNXI_HMIC_CTRL1,
					    (0x1 << MIC_DET_IRQ_EN),
					    (0x1 << MIC_DET_IRQ_EN));
		} else if (jack_type == SND_JACK_HEADPHONE) {
			/*
			 * if is HEADPHONE 3,close mic detect irq
			 */
			snd_soc_update_bits(ctx->codec, SUNXI_HMIC_CTRL1,
					    (0x1 << MIC_DET_IRQ_EN),
					    (0x0 << MIC_DET_IRQ_EN));
			ctx->tv_headset_plugin.tv_sec = 0;
		}
	} else {
		snd_soc_update_bits(ctx->codec, SUNXI_HMIC_CTRL1,
				    (0x1 << MIC_DET_IRQ_EN),
				    (0x0 << MIC_DET_IRQ_EN));
		ctx->switch_status = 0;
		/*clear headset pulgout pending.*/
		snd_jack_report(ctx->jack.jack, ctx->switch_status);
		switch_state = ctx->switch_status;
		pr_err("plugout_end:switch:%d\n", ctx->switch_status);
		ctx->tv_headset_plugin.tv_sec = 0;
	}
	mutex_unlock(&ctx->jack_mlock);
}

static void sunxi_hs_init_work(struct work_struct *work)
{
	struct mc_private *ctx =
	    container_of(work, struct mc_private, hs_init_work.work);

	mutex_lock(&ctx->jack_mlock);
	if (is_irq == true) {
		is_irq = false;
	} else {
		if (ctx->hp_detect_case == HP_DETECT_LOW) {
			ctx->switch_status = 0;
			snd_jack_report(ctx->jack.jack, ctx->switch_status);
			switch_state = 0;
		}
	}
	ctx->jack_irq_times = OTHER_IRQ;
	mutex_unlock(&ctx->jack_mlock);
}

/* Check for hook release */
static void sunxi_check_hs_button_status(struct work_struct *work)
{
	struct mc_private *ctx =
	    container_of(work, struct mc_private, hs_button_work.work);
	u32 i = 0;

	mutex_lock(&ctx->jack_mlock);
	for (i = 0; i < 1; i++) {
		if (ctx->key_hook == 0) {
			pr_info("Hook (2)!!\n");
			ctx->switch_status &= ~SND_JACK_BTN_0;
			snd_jack_report(ctx->jack.jack, ctx->switch_status);
			break;
		}
		/* may msleep 8 */
		msleep(20);
	}
	mutex_unlock(&ctx->jack_mlock);
}

static irqreturn_t jack_interrupt(int irq, void *dev_id)
{
	struct mc_private *ctx = dev_id;
	struct timeval tv;
	u32 tempdata = 0, regval = 0;
	int jack_state = 0;

	if (ctx->jack_irq_times == RESUME_IRQ ||
	    ctx->jack_irq_times == SYSINIT_IRQ) {
		is_irq = true;
		ctx->jack_irq_times = OTHER_IRQ;
	}

	pr_debug("SUNXI_HMIC_STS:0x%x,%d\n",
		snd_soc_read(ctx->codec, SUNXI_HMIC_STS), __LINE__);

	jack_state = snd_soc_read(ctx->codec, SUNXI_HMIC_STS);
	/*headphone insert*/
	if (jack_state & (1 << JACK_DET_IIN_ST)) {
		regval = snd_soc_read(ctx->codec, SUNXI_HMIC_STS);
		regval |= 0x1 << JACK_DET_IIN_ST;
		regval &= ~(0x1 << JACK_DET_OUT_ST);
		snd_soc_write(ctx->codec, SUNXI_HMIC_STS, regval);
		ctx->detect_state = PLUG_IN;
		schedule_delayed_work(&ctx->hs_detect_work,
				      msecs_to_jiffies(10));
	}

	/*headphone plugout*/
	if (jack_state & (1 << JACK_DET_OUT_ST)) {
		regval = snd_soc_read(ctx->codec, SUNXI_HMIC_STS);
		regval &= ~(0x1 << JACK_DET_IIN_ST);
		regval |= 0x1 << JACK_DET_OUT_ST;
		snd_soc_write(ctx->codec, SUNXI_HMIC_STS, regval);
		ctx->detect_state = PLUG_OUT;
		schedule_delayed_work(&ctx->hs_detect_work,
				      msecs_to_jiffies(10));
	}

	/*key*/
	if (jack_state & (1 << MIC_DET_ST)) {
		regval = snd_soc_read(ctx->codec, SUNXI_HMIC_STS);
		regval &= ~(0x1 << JACK_DET_IIN_ST);
		regval &= ~(0x1 << JACK_DET_OUT_ST);
		regval |= 0x1 << MIC_DET_ST;
		snd_soc_write(ctx->codec, SUNXI_HMIC_STS, regval);

		do_gettimeofday(&tv);
		if (abs(tv.tv_sec - ctx->tv_headset_plugin.tv_sec) > 2) {
			tempdata = snd_soc_read(ctx->codec, SUNXI_HMIC_STS);
			tempdata = (tempdata & 0x1f00) >> 8;
			pr_debug("headset key debug tempdata : 0x%x.\n",
				 tempdata);
			if (tempdata == 2) {
				ctx->key_hook = 0;
				ctx->key_voldown = 0;
				ctx->key_volup++;
				if (ctx->key_volup == 1) {
					pr_debug("Volume ++\n");
					ctx->key_volup = 0;
					ctx->switch_status |= SND_JACK_BTN_1;
					snd_jack_report(ctx->jack.jack,
							ctx->switch_status);
					ctx->switch_status &= ~SND_JACK_BTN_1;
					snd_jack_report(ctx->jack.jack,
							ctx->switch_status);
				}
			} else if ((tempdata == 5) || tempdata == 4) {
				ctx->key_volup = 0;
				ctx->key_hook = 0;
				ctx->key_voldown++;
				if (ctx->key_voldown == 1) {
					pr_debug("Volume --\n");
					ctx->key_voldown = 0;
					ctx->switch_status |= SND_JACK_BTN_2;
					snd_jack_report(ctx->jack.jack,
							ctx->switch_status);
					ctx->switch_status &= ~SND_JACK_BTN_2;
					snd_jack_report(ctx->jack.jack,
							ctx->switch_status);
				}
			} else if (tempdata == 0x0) {
				ctx->key_volup = 0;
				ctx->key_voldown = 0;
				ctx->key_hook++;
				if (ctx->key_hook >= 1) {
					ctx->key_hook = 0;
					if ((ctx->switch_status &
					     SND_JACK_BTN_0) == 0) {
						ctx->switch_status |=
						    SND_JACK_BTN_0;
						snd_jack_report(
						    ctx->jack.jack,
						    ctx->switch_status);
						pr_debug("Hook (1)!!\n");
					}
					schedule_delayed_work(
					    &ctx->hs_button_work,
					    msecs_to_jiffies(180));
				}
			} else {
				/*This could be key release,fix me ! */
				pr_err("tempdata:0x%x,Key data err:\n",
					 tempdata);
				ctx->key_volup = 0;
				ctx->key_voldown = 0;
				ctx->key_hook = 0;
			}
		} else {
		}
	}

	return IRQ_HANDLED;
}

#ifdef CONFIG_SND_SUNXI_MAD
/*enable the sndcodec suspend */
static int sunxi_sndcodec_startup(struct snd_pcm_substream *substream)
{
    struct snd_soc_pcm_runtime *rtd = substream->private_data;

	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
		if (sunxi_sndcodec_priv.mad_bind == 1)
			rtd->dai_link->ignore_suspend = 1;
	}
    return 0;
}

/*disable the sndcodec suspend */
static void sunxi_sndcodec_shutdown(struct snd_pcm_substream *substream)
{
    struct snd_soc_pcm_runtime *rtd = substream->private_data;
	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
		if (sunxi_sndcodec_priv.mad_bind == 1)
			rtd->dai_link->ignore_suspend = 0;
	}
}

/*mad_bind config*/
static int sunxi_sndcodec_set_mad_bind(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol)
{
	sunxi_sndcodec_priv.mad_bind = ucontrol->value.integer.value[0];
	return 0;
}

static int sunxi_sndcodec_get_mad_bind(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.integer.value[0] = sunxi_sndcodec_priv.mad_bind;
	return 0;
}

static const char *mad_bind_function[] = {"mad_unbind", "mad_bind"};

static const struct soc_enum mad_bind_enum[] = {
	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(mad_bind_function),
			mad_bind_function),
};
#endif

static const struct snd_kcontrol_new ac_pin_controls[] = {
    SOC_DAPM_PIN_SWITCH("External Speaker"),
#ifdef CONFIG_SND_SUNXI_MAD
	SOC_ENUM_EXT("sun30iw1 codec bind mad Function", mad_bind_enum[0],
		sunxi_sndcodec_get_mad_bind, sunxi_sndcodec_set_mad_bind),
#endif
};

static const struct snd_soc_dapm_widget sunxi_ac_dapm_widgets[] = {
	SND_SOC_DAPM_MIC("External MainMic", NULL),
	SND_SOC_DAPM_MIC("HeadphoneMic", NULL),
};

static const struct snd_soc_dapm_route audio_map[] = {
	{"MainMic Bias", NULL, "External MainMic"},
	{"MIC3", NULL, "MainMic Bias"},
	{"MIC2", NULL, "HeadphoneMic"},
};

/*
 * Card initialization
 */
static int sunxi_audio_init(struct snd_soc_pcm_runtime *runtime)
{
	int ret;
	struct snd_soc_codec *codec = runtime->codec;
	struct snd_soc_dapm_context *dapm = &codec->component.dapm;
	struct mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);

	card0_device0_interface = runtime->cpu_dai;
	ctx->codec = runtime->codec;
	ret = snd_soc_card_jack_new(runtime->card, "sunxi Audio Jack",
			       SND_JACK_HEADSET | SND_JACK_HEADPHONE |
				   SND_JACK_BTN_0 | SND_JACK_BTN_1 |
				   SND_JACK_BTN_2,
			       &ctx->jack, NULL, 0);
	if (ret) {
		pr_err("jack creation failed\n");
		return ret;
	}

	snd_jack_set_key(ctx->jack.jack, SND_JACK_BTN_0, KEY_MEDIA);
	snd_jack_set_key(ctx->jack.jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
	snd_jack_set_key(ctx->jack.jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);

	snd_soc_dapm_disable_pin(&runtime->card->dapm, "External Speaker");
	snd_soc_dapm_sync(dapm);
	return 0;
}

static int sunxi_sndpcm_hw_params(struct snd_pcm_substream *substream,
				  struct snd_pcm_hw_params *params)
{
	int ret = 0;
	u32 freq_in = 22579200;
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	unsigned long sample_rate = params_rate(params);

	switch (sample_rate) {
	case 8000:
	case 16000:
	case 32000:
	case 64000:
	case 128000:
	case 12000:
	case 24000:
	case 48000:
	case 96000:
	case 192000:
		freq_in = 24576000;
		break;
	}
	/* set the codec FLL */
	ret = snd_soc_dai_set_pll(codec_dai, PLLCLK, 0, freq_in, freq_in);
	if (ret < 0) {
		pr_err("err:%s,set codec dai pll failed.\n", __func__);
		return ret;
	}
	/*set system clock source freq */
	ret = snd_soc_dai_set_sysclk(cpu_dai, 0, freq_in, 0);
	if (ret < 0) {
		pr_err("err:%s,set cpu dai sysclk failed.\n", __func__);
		return ret;
	}
	/*set system clock source freq_in and set the mode as tdm or pcm*/
	ret = snd_soc_dai_set_sysclk(codec_dai, AIF1_CLK, freq_in, 0);
	if (ret < 0) {
		pr_err("err:%s,set codec dai sysclk faided.\n", __func__);
		return ret;
	}
	/*set system fmt:api2s:master aif1:slave*/
	ret = snd_soc_dai_set_fmt(cpu_dai, 0);
	if (ret < 0) {
		pr_err("%s,set cpu dai fmt failed.\n", __func__);
		return ret;
	}

	/*
	 * codec: slave. AP: master
	 */
	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
						 SND_SOC_DAIFMT_NB_NF |
						 SND_SOC_DAIFMT_CBS_CFS);
	if (ret < 0) {
		pr_err("%s,set codec dai fmt failed.\n", __func__);
		return ret;
	}

	ret = snd_soc_dai_set_clkdiv(cpu_dai, 0, sample_rate);
	if (ret < 0) {
		pr_err("%s, set cpu dai clkdiv faided.\n", __func__);
		return ret;

	}

	return 0;
}

static struct snd_soc_ops sunxi_sndpcm_ops = {
	.hw_params = sunxi_sndpcm_hw_params,
#ifdef CONFIG_SND_SUNXI_MAD
	.startup = sunxi_sndcodec_startup,
	.shutdown = sunxi_sndcodec_shutdown,
#endif
};

static int bb_voice_hw_params(struct snd_pcm_substream *substream,
		struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	struct snd_soc_card *card = rtd->card;
	struct mc_private *ctx = NULL;

	int ret = 0;
	int freq_in = 24576000;

	if (params_rate(params) != 8000)
		pr_warn("%s,line:%d,params_rate(params):%d\n", __func__,
			   __LINE__, params_rate(params));

	ctx = snd_soc_card_get_drvdata(card);
	if (ctx == NULL) {
		pr_err("err:%s,get ctx failed.\n", __func__);
		return -EINVAL;
	}

	/*set system clock source freq */
	ret = snd_soc_dai_set_sysclk(card0_device0_interface, 0, freq_in, 0);
	if (ret < 0) {
		pr_err("err:%s,set cpu dai sysclk failed.\n", __func__);
		return ret;
	}

	/* set the codec aif1clk/aif2clk from pllclk */
	ret = snd_soc_dai_set_pll(codec_dai, PLLCLK, 0, freq_in, freq_in);
	if (ret < 0) {
		pr_err("err:%s,set codec dai pll failed.\n", __func__);
		return ret;
	}
	/*set system clock source aif2*/
	ret = snd_soc_dai_set_sysclk(codec_dai, AIF2_CLK, 0, 0);
	if (ret < 0) {
		pr_err("err:%s,set codec dai sysclk faied\n", __func__);
		return ret;
	}
	/* set codec DAI configuration */
	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_DSP_A |
						 (ctx->aif2fmt << 8) |
						 (ctx->aif2master << 12));
	if (ret < 0)
		pr_err("err:%s,set codec dai fmt failed.\n", __func__);

	return ret;
}

static struct snd_soc_ops bb_voice_ops = {
	.hw_params = bb_voice_hw_params,
};
static int bb_clk_hw_params(struct snd_pcm_substream *substream,
		struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	struct snd_soc_card *card = rtd->card;
	struct mc_private *ctx = NULL;

	int ret = 0;
	int freq_in = 24576000;

	if (params_rate(params) != 8000)
		pr_warn("%s,line:%d,params_rate(params):%d\n", __func__,
			   __LINE__, params_rate(params));

	ctx = snd_soc_card_get_drvdata(card);
	if (ctx == NULL) {
		pr_err("err:%s,get ctx failed.\n", __func__);
		return -EINVAL;
	}
	/*set system clock source freq */
	ret = snd_soc_dai_set_sysclk(card0_device0_interface, 0, freq_in, 0);
	if (ret < 0) {
		pr_err("err:%s,set cpu dai sysclk failed.\n", __func__);
		return ret;
	}
	/* set the codec aif1clk/aif2clk from pllclk */
	ret = snd_soc_dai_set_pll(codec_dai, PLLCLK, 0, freq_in, freq_in);
	if (ret < 0) {
		pr_err("err:%s,set codec dai pll failed.\n", __func__);
		return ret;
	}
	/*set system clock source aif2*/
	ret = snd_soc_dai_set_sysclk(codec_dai, AIF2_CLK, 0, 0);
	if (ret < 0) {
		pr_err("err:%s,set codec dai sysclk faied\n", __func__);
		return ret;
	}
	/* set codec DAI configuration */
	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_DSP_A |
						 SND_SOC_DAIFMT_IB_NF |
						 SND_SOC_DAIFMT_CBM_CFM);
	if (ret < 0)
		pr_err("err:%s,set codec dai fmt failed.\n", __func__);

	return ret;
}
static struct snd_soc_ops bb_clk_ops = {
	.hw_params = bb_clk_hw_params,
};
static int bt_hw_params(struct snd_pcm_substream *substream,
		struct snd_pcm_hw_params *params)
{
	struct mc_private *ctx = NULL;
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	struct snd_soc_card *card = rtd->card;
	int ret = 0;

	if (params_rate(params) != 8000)
		pr_warn("%s,line:%d,params_rate(params):%d\n", __func__,
			   __LINE__, params_rate(params));
	ctx = snd_soc_card_get_drvdata(card);
	if (ctx == NULL) {
		pr_err("err:%s,get ctx failed.\n", __func__);
		return -EINVAL;
	}
	/* set codec aif3 configuration */
	ret = snd_soc_dai_set_fmt(codec_dai, (ctx->aif3fmt << 8));
	if (ret < 0)
		return ret;
	return 0;
}

static struct snd_soc_ops bt_voice_ops = {
	.hw_params = bt_hw_params,
};

static struct snd_soc_dai_link sunxi_sndpcm_dai_link[] = {
	{
	.name = "audiocodec",
	.stream_name	= "SUNXI-CODEC",
	.cpu_dai_name	= "sunxi-internal-i2s",
	.codec_dai_name = "codec-aif1",
	.platform_name	= "sunxi-internal-i2s",
	.codec_name	= "sunxi-internal-codec",
	.init		= sunxi_audio_init,
	.ops = &sunxi_sndpcm_ops,

	},
/**/
	{
	.name = "Voice",
	.stream_name = "bb Voice",
	.cpu_dai_name = "bb-dai",
	.codec_dai_name = "codec-aif2",
	.codec_name = "sunxi-pcm-codec",
	.ops = &bb_voice_ops,
	},
/**/
	{
	.name = "bbclk",
	.stream_name = "bb-bt-clk",
	.cpu_dai_name = "bb-dai",
	.codec_dai_name = "codec-aif2",
	.codec_name = "sunxi-pcm-codec",
	.ops = &bb_clk_ops,
	},
	{
	.name = "bt",
	.stream_name = "bt Voice",
	.cpu_dai_name = "bb-dai",
	.codec_dai_name = "codec-aif3",
	.codec_name = "sunxi-pcm-codec",
	.ops = &bt_voice_ops,
	},
#ifdef CONFIG_SND_SOC_HUB
	{
	/*hub-spdif*/
	},
	{
	/*hub-hdmi*/
	},
#endif
/**/
};

static void sunxi_hs_reg_init(struct mc_private *ctx)
{
	snd_soc_update_bits(ctx->codec, SUNXI_HMIC_CTRL2, (0xffff << 0),
			    (0x0 << 0)); /*0x314*/
	snd_soc_update_bits(ctx->codec, SUNXI_HMIC_CTRL2, (0x1f << 8),
			    (0x17 << 8)); /*0x318*/
	snd_soc_update_bits(ctx->codec, SUNXI_HMIC_STS, (0xffff << 0),
			    (0x0 << 0)); /*0x1c*/

	if (ctx->hp_detect_case == HP_DETECT_LOW) {
		snd_soc_update_bits(ctx->codec, ADC_CTRL,
				    (0x1 << DET_MOD), (0x0 << DET_MOD));
	} else {
		/*new bit in a63, tell hw high level when insert hp*/
		snd_soc_update_bits(ctx->codec, ADC_CTRL,
				    (0x1 << DET_MOD), (0x1 << DET_MOD));
	}

	/*enable jack in /out irq*/ /*0x310*/
	snd_soc_update_bits(ctx->codec, SUNXI_HMIC_CTRL1,
			    (0x1 << JACK_IN_IRQ_EN), (0x1 << JACK_IN_IRQ_EN));
	snd_soc_update_bits(ctx->codec, SUNXI_HMIC_CTRL1,
			    (0x1 << JACK_OUT_IRQ_EN), (0x1 << JACK_OUT_IRQ_EN));
	snd_soc_update_bits(ctx->codec, SUNXI_HMIC_CTRL1, (0xf << HMIC_N),
			    (HP_DEBOUCE_TIME << HMIC_N));

	schedule_delayed_work(&ctx->hs_init_work, msecs_to_jiffies(10));
}
static int sunxi_suspend(struct snd_soc_card *card)
{
	struct mc_private *ctx = snd_soc_card_get_drvdata(card);

	disable_irq(ctx->jackirq);
	pr_debug("[codec-machine]  suspend.\n");

	snd_soc_update_bits(ctx->codec, SUNXI_HMIC_CTRL1,
			    (0x1 << MIC_DET_IRQ_EN), (0x0 << MIC_DET_IRQ_EN));
	snd_soc_update_bits(ctx->codec, SUNXI_HMIC_CTRL1,
			    (0x1 << JACK_IN_IRQ_EN), (0x0 << JACK_IN_IRQ_EN));
	snd_soc_update_bits(ctx->codec, SUNXI_HMIC_CTRL1,
			    (0x1 << JACK_OUT_IRQ_EN), (0x0 << JACK_OUT_IRQ_EN));

	return 0;
}

static int sunxi_resume(struct snd_soc_card *card)
{
	struct mc_private *ctx = snd_soc_card_get_drvdata(card);

	enable_irq(ctx->jackirq);
	ctx->jack_irq_times = RESUME_IRQ;
	ctx->detect_state = PLUG_OUT;/*todo..?*/
	sunxi_hs_reg_init(ctx);
	pr_debug("[codec-machine]  resume.\n");

	return 0;
}

static struct snd_soc_card snd_soc_sunxi_sndpcm = {
	.name		= "audiocodec",
	.owner		= THIS_MODULE,
	.dai_link	= sunxi_sndpcm_dai_link,
	.num_links	= ARRAY_SIZE(sunxi_sndpcm_dai_link),
	.dapm_widgets	= sunxi_ac_dapm_widgets,
	.num_dapm_widgets	= ARRAY_SIZE(sunxi_ac_dapm_widgets),
	.dapm_routes	= audio_map,
	.num_dapm_routes	= ARRAY_SIZE(audio_map),
	.controls	= ac_pin_controls,
	.num_controls	= ARRAY_SIZE(ac_pin_controls),
	.suspend_post	= sunxi_suspend,
	.resume_post	= sunxi_resume,
};

static struct snd_soc_dai_driver voice_dai[] = {
	{
		.name = "bb-dai",
		.id = 1,
		.playback = {
			.channels_min = 1,
			.channels_max = 2,
			.rates = SNDRV_PCM_RATE_8000_48000,
			.formats = SNDRV_PCM_FMTBIT_S16_LE,},
		.capture = {
			.channels_min = 1,
			.channels_max = 2,
			.rates = SNDRV_PCM_RATE_8000_48000,
			.formats = SNDRV_PCM_FMTBIT_S16_LE,},
	},
	{
		.name = "no-dai",
		.id = 2,
	}
};

static const struct snd_soc_component_driver voice_component = {
	.name		= "bb-voice",
};

static int sunxi_machine_probe(struct platform_device *pdev)
{
	int ret = 0;
	u32 temp_val;
	struct mc_private *ctx = NULL;
	struct device_node *np = pdev->dev.of_node;

	if (!np) {
		dev_err(&pdev->dev, "can not get dt node for this device.\n");
		return -EINVAL;
	}

	ctx = devm_kzalloc(&pdev->dev, sizeof(struct mc_private), GFP_KERNEL);
	if (!ctx) {
		pr_err("[audio] allocation mem failed\n");
		return -ENOMEM;
	}
	/* register voice DAI here */
	ret = snd_soc_register_component(&pdev->dev, &voice_component,
					 voice_dai, ARRAY_SIZE(voice_dai));
	if (ret) {
		dev_err(&pdev->dev, "register DAI failed\n");
		goto err0;
	}

#ifdef CONFIG_SND_SOC_HUB
	/*
	 * sunxi_sndpcm_dai_link[0]:audiocodec
	 * sunxi_sndpcm_dai_link[1]:Voice
	 * sunxi_sndpcm_dai_link[2]:bbclk
	 * sunxi_sndpcm_dai_link[3]:bt
	 * sunxi_sndpcm_dai_link[4]:hub-hdmi
	 * sunxi_sndpcm_dai_link[5]:hub-spdif
	 */
	memcpy(sunxi_sndpcm_dai_link + 4, sunxi_hub_dai_link,
	       sizeof(sunxi_hub_dai_link));
#endif
	/* register the soc card */
	snd_soc_sunxi_sndpcm.dev = &pdev->dev;
	snd_soc_card_set_drvdata(&snd_soc_sunxi_sndpcm, ctx);
	platform_set_drvdata(pdev, &snd_soc_sunxi_sndpcm);
	ctx->jackirq = platform_get_irq(pdev, 0);
	if (ctx->jackirq < 0) {
		pr_err("[audio]irq failed\n");
		ret = -ENODEV;
		goto err1;
	}

	ret = of_property_read_u32(np, "aif2fmt", &temp_val);
	if (ret < 0)
		pr_err("[audio]aif2fmt configurations missing or invalid.\n");
	else
		ctx->aif2fmt = temp_val;


	ret = of_property_read_u32(np, "aif3fmt", &temp_val);
	if (ret < 0)
		pr_err("[audio]aif3fmt configurations missing or invalid.\n");
	else
		ctx->aif3fmt = temp_val;

	ret = of_property_read_u32(np, "aif2master", &temp_val);
	if (ret < 0)
		pr_err(
		    "[audio]aif2master configurations missing or invalid.\n");
	else
		ctx->aif2master = temp_val;

	ret = of_property_read_u32(np, "hp_detect_case", &temp_val);
	if (ret < 0)
		pr_err("[audio]hp_detect_case  missing or invalid.\n");
	else
		ctx->hp_detect_case = temp_val;
	/*
	 * here it is different form A64,we use bit det_mod to tell hw the
	 * high/low level,thus the interrupt bit will always the same
	 */
	pr_debug("%s,line:%d,IN_EN:%d,OUT_EN:%d,_OUT_ST:%d, IN_ST:%d\n",
		 __func__, __LINE__, JACK_IN_IRQ_EN, JACK_OUT_IRQ_EN,
		 JACK_DET_OUT_ST, JACK_DET_IIN_ST);
	sunxi_sndpcm_dai_link[0].cpu_dai_name = NULL;
	sunxi_sndpcm_dai_link[0].cpu_of_node =
	    of_parse_phandle(np, "sunxi,i2s-controller", 0);
	if (!sunxi_sndpcm_dai_link[0].cpu_of_node) {
		dev_err(&pdev->dev,
			"Property 'sunxi,i2s-controller' missing or invalid\n");
		ret = -EINVAL;
		goto err1;
	}
	sunxi_sndpcm_dai_link[0].platform_name = NULL;
	sunxi_sndpcm_dai_link[0].platform_of_node =
	    sunxi_sndpcm_dai_link[0].cpu_of_node;

	sunxi_sndpcm_dai_link[0].codec_name = NULL;
	sunxi_sndpcm_dai_link[0].codec_of_node =
	    of_parse_phandle(np, "sunxi,audio-codec", 0);
	if (!sunxi_sndpcm_dai_link[0].codec_of_node) {
		dev_err(&pdev->dev,
			"Property 'sunxi,audio-codec' missing or invalid\n");
		ret = -EINVAL;
		goto err1;
	}
	sunxi_sndpcm_dai_link[1].codec_name = NULL;
	sunxi_sndpcm_dai_link[1].codec_of_node =
	    sunxi_sndpcm_dai_link[0].codec_of_node;

	sunxi_sndpcm_dai_link[2].codec_name = NULL;
	sunxi_sndpcm_dai_link[2].codec_of_node =
	    sunxi_sndpcm_dai_link[0].codec_of_node;

	sunxi_sndpcm_dai_link[3].codec_name = NULL;
	sunxi_sndpcm_dai_link[3].codec_of_node =
	    sunxi_sndpcm_dai_link[0].codec_of_node;

#ifdef CONFIG_SND_SUNXI_MAD
    sunxi_sndcodec_priv.mad_bind = 0;
	snd_soc_card_set_drvdata(&snd_soc_sunxi_sndpcm, &sunxi_sndcodec_priv);
#endif

	ret = snd_soc_register_card(&snd_soc_sunxi_sndpcm);
	if (ret) {
		pr_err("snd_soc_register_card failed %d\n", ret);
		goto err1;
	}
	/*
	 * it is confuse we open bias here when High LEVEL,
	 * disable it first and pay attention here!
	 */
#if 0
	if (ctx->hp_detect_case == HP_DETECT_HIGH) { /*yj*/
		snd_soc_update_bits(ctx->codec, JACK_MIC_CTRL,
				    (0x1 << INNERRESEN), (0x1 << INNERRESEN));
		snd_soc_update_bits(ctx->codec, JACK_MIC_CTRL,
				    (0x1 << HMICBIASEN), (0x1 << HMICBIASEN));
		snd_soc_update_bits(ctx->codec, JACK_MIC_CTRL,
				    (0x1 << MICADCEN), (0x1 << MICADCEN));
	}
#endif
	ctx->jack_irq_times = SYSINIT_IRQ;
	/*
	 * initial the parameters for judge switch state
	 */
	ctx->HEADSET_DATA = 0x10;
	ctx->detect_state = PLUG_OUT;
	INIT_DELAYED_WORK(&ctx->hs_detect_work, sunxi_check_hs_detect_status);
	INIT_DELAYED_WORK(&ctx->hs_button_work, sunxi_check_hs_button_status);
	INIT_DELAYED_WORK(&ctx->hs_init_work, sunxi_hs_init_work);
	mutex_init(&ctx->jack_mlock);

	ret = request_irq(ctx->jackirq, jack_interrupt,
		   0, "audio jack irq", ctx);

	sunxi_hs_reg_init(ctx);
	pr_debug("[%s] 0x310:0x%X,0x314:0x%X,0x318:0x%X,0x1C:0x%X,0x1D:0x%X\n",
			__func__, snd_soc_read(ctx->codec, 0x310),
			snd_soc_read(ctx->codec, 0x314),
			snd_soc_read(ctx->codec, 0x318),
			snd_soc_read(ctx->codec, 0x1C),
			snd_soc_read(ctx->codec, 0x1D));

	return 0;
err1:
	snd_soc_unregister_component(&pdev->dev);
err0:
	return ret;
}

static void snd_sunxi_unregister_jack(struct mc_private *ctx)
{
	/*
	 * Set process button events to false so that the button
	 * delayed work will not be scheduled.
	 */
	cancel_delayed_work_sync(&ctx->hs_detect_work);
	cancel_delayed_work_sync(&ctx->hs_button_work);
	cancel_delayed_work_sync(&ctx->hs_init_work);
}

static void sunxi_machine_shutdown(struct platform_device *pdev)
{
	struct snd_soc_card *soc_card = platform_get_drvdata(pdev);
	struct mc_private *ctx = snd_soc_card_get_drvdata(soc_card);

	/*
	 * avoid some case when device register to device module
	 * but not register to ALSA,this will happen
	 * when shutdown at kernel start stage.
	 */
	if (ctx->codec == NULL)
		return;

	snd_soc_update_bits(ctx->codec, SUNXI_HMIC_CTRL1,
			    (0x1 << JACK_IN_IRQ_EN), (0x0 << JACK_IN_IRQ_EN));
	snd_soc_update_bits(ctx->codec, SUNXI_HMIC_CTRL1,
			    (0x1 << JACK_OUT_IRQ_EN), (0x0 << JACK_OUT_IRQ_EN));
	snd_sunxi_unregister_jack(ctx);
}

static const struct of_device_id sunxi_machine_of_match[] = {
	{ .compatible = "allwinner,sunxi-codec-machine", },
	{},
};

/*method relating*/
static struct platform_driver sunxi_machine_driver = {
	.driver = {
		.name = "sunxi-codec-machine",
		.owner = THIS_MODULE,
		.pm = &snd_soc_pm_ops,
		.of_match_table = sunxi_machine_of_match,
	},
	.probe = sunxi_machine_probe,
	.shutdown = sunxi_machine_shutdown,
};

static int __init sunxi_machine_init(void)
{
	int err = 0;

	err = platform_driver_register(&sunxi_machine_driver);
	if (err < 0)
		return err;

	return 0;
}
module_init(sunxi_machine_init);

static void __exit sunxi_machine_exit(void)
{
	platform_driver_unregister(&sunxi_machine_driver);
}
module_exit(sunxi_machine_exit);

module_param_named(switch_state, switch_state, int, 0644);

MODULE_AUTHOR("huangxin,liushaohua");
MODULE_DESCRIPTION("SUNXI_sndpcm ALSA SoC audio driver");
MODULE_LICENSE("GPL");