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Remove: switch detecting

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This commit is contained in:
peter.yang 2018-01-22 11:20:17 +08:00
parent aec1941ae1
commit 156697545a
1 changed files with 45 additions and 571 deletions
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616
ac101.c
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@ -1,12 +1,17 @@
/* /*
* sound\soc\codec\ac10x.c * ac101.c
* (C) Copyright 2017-2018
* Seeed Technology Co., Ltd. <www.seeedstudio.com>
*
* PeterYang <linsheng.yang@seeed.cc>
*
* (C) Copyright 2014-2017 * (C) Copyright 2014-2017
* Reuuimlla Technology Co., Ltd. <www.reuuimllatech.com> * Reuuimlla Technology Co., Ltd. <www.reuuimllatech.com>
* *
* huangxin <huangxin@Reuuimllatech.com> * huangxin <huangxin@Reuuimllatech.com>
* liushaohua <liushaohua@allwinnertech.com> * liushaohua <liushaohua@allwinnertech.com>
* *
* some simple description for this code * X-Powers AC101 codec driver
* *
* This program is free software; you can redistribute it and/or * This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as * modify it under the terms of the GNU General Public License as
@ -15,7 +20,7 @@
* *
*/ */
#include <linux/module.h> #include <linux/module.h>
#include <linux/delay.h> #include <linux/init.h>
#include <linux/slab.h> #include <linux/slab.h>
#include <sound/pcm.h> #include <sound/pcm.h>
#include <sound/pcm_params.h> #include <sound/pcm_params.h>
@ -27,41 +32,11 @@
#include <linux/regulator/consumer.h> #include <linux/regulator/consumer.h>
#include <linux/i2c.h> #include <linux/i2c.h>
#include <linux/irq.h> #include <linux/irq.h>
#include <linux/input.h>
#include <linux/timer.h>
#include <linux/delay.h>
#include <linux/input.h>
#include <linux/workqueue.h> #include <linux/workqueue.h>
#include <linux/clk.h> #include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/regmap.h> #include <linux/regmap.h>
#include "ac101.h" #include "ac101.h"
#define CONFIG_SWITCH_DETECT_EXTERNAL
#ifndef CONFIG_SWITCH_DETECT_EXTERNAL
static volatile int reset_flag = 0;
static int hook_flag1 = 0;
static int hook_flag2 = 0;
static int KEY_VOLUME_FLAG = 0;
/* 1=headphone in slot, 0 else */
static int headphone_state = 0;
static volatile int irq_flag = 0;
static struct workqueue_struct *switch_detect_queue;
static struct workqueue_struct *codec_irq_queue;
/* key define */
#define KEY_HEADSETHOOK 226
#define HEADSET_CHECKCOUNT (10)
#define HEADSET_CHECKCOUNT_SUM (2)
#define SWITCH_DETECT 364
#endif
//#define PA_CTL 205
#define PA_CTL 0
#define I2C_BUS 1
/*Default initialize configuration*/ /*Default initialize configuration*/
#define SPEAKER_DOUBLE_USED 1 #define SPEAKER_DOUBLE_USED 1
#define D_SPEAKER_VOL 0x1b #define D_SPEAKER_VOL 0x1b
@ -88,7 +63,7 @@ static bool agc_used = false;
static bool drc_used = false; static bool drc_used = false;
#define ac10x_RATES (SNDRV_PCM_RATE_8000_96000|SNDRV_PCM_RATE_KNOT) #define ac10x_RATES (SNDRV_PCM_RATE_8000_96000|SNDRV_PCM_RATE_KNOT)
#define ac10x_FORMATS ( SNDRV_PCM_FMTBIT_S8 | \ #define ac10x_FORMATS ( /*SNDRV_PCM_FMTBIT_S8 |*/ \
SNDRV_PCM_FMTBIT_S16_LE | \ SNDRV_PCM_FMTBIT_S16_LE | \
/* SNDRV_PCM_FMTBIT_S18_3LE | \ /* SNDRV_PCM_FMTBIT_S18_3LE | \
SNDRV_PCM_FMTBIT_S20_3LE | \ SNDRV_PCM_FMTBIT_S20_3LE | \
@ -96,12 +71,6 @@ static bool drc_used = false;
SNDRV_PCM_FMTBIT_S32_LE*/ \ SNDRV_PCM_FMTBIT_S32_LE*/ \
0) 0)
enum headphone_mode_u {
HEADPHONE_IDLE,
FOUR_HEADPHONE_PLUGIN,
THREE_HEADPHONE_PLUGIN,
};
/*supply voltage*/ /*supply voltage*/
static const char *ac10x_supplies[] = { static const char *ac10x_supplies[] = {
"vcc-avcc", "vcc-avcc",
@ -114,11 +83,10 @@ static const char *ac10x_supplies[] = {
/*struct for ac10x*/ /*struct for ac10x*/
struct ac10x_priv { struct ac10x_priv {
struct snd_soc_codec *codec; struct snd_soc_codec *codec;
struct regmap* regmap;
unsigned sysclk; unsigned sysclk;
struct regmap* regmap;
struct mutex dac_mutex; struct mutex dac_mutex;
struct mutex adc_mutex; struct mutex adc_mutex;
u8 dac_enable; u8 dac_enable;
@ -132,27 +100,7 @@ struct ac10x_priv {
int num_supplies; int num_supplies;
struct regulator_bulk_data *supplies; struct regulator_bulk_data *supplies;
#ifndef CONFIG_SWITCH_DETECT_EXTERNAL
/*headset*/
int virq; /*headset irq*/
struct switch_dev sdev;
int state;
int check_count;
int check_count_sum;
int reset_flag;
#endif
enum headphone_mode_u mode;
struct work_struct work;
struct work_struct clear_codec_irq;
struct work_struct codec_resume; struct work_struct codec_resume;
struct work_struct state_work;
struct semaphore sem;
struct timer_list timer;
struct input_dev *key;
}; };
void get_configuration(void) void get_configuration(void)
@ -374,8 +322,8 @@ void set_configuration(struct snd_soc_codec *codec)
} }
/*headphone calibration clock frequency select*/ /*headphone calibration clock frequency select*/
snd_soc_update_bits(codec, SPKOUT_CTRL, (0x7<<HPCALICKS), (0x7<<HPCALICKS)); snd_soc_update_bits(codec, SPKOUT_CTRL, (0x7<<HPCALICKS), (0x7<<HPCALICKS));
} }
static int late_enable_dac(struct snd_soc_dapm_widget *w, static int late_enable_dac(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event) struct snd_kcontrol *kcontrol, int event)
{ {
@ -453,17 +401,10 @@ static int ac10x_speaker_event(struct snd_soc_dapm_widget *w,
if (drc_used) { if (drc_used) {
drc_enable(codec,1); drc_enable(codec,1);
} }
#if PA_CTL
msleep(30);
gpio_set_value(PA_CTL, 1);
#endif
break; break;
case SND_SOC_DAPM_PRE_PMD : case SND_SOC_DAPM_PRE_PMD :
AC10X_DBG("[speaker close ]%s,line:%d\n",__func__,__LINE__); AC10X_DBG("[speaker close ]%s,line:%d\n",__func__,__LINE__);
#if PA_CTL
gpio_set_value(PA_CTL, 0);
#endif
if (drc_used) { if (drc_used) {
drc_enable(codec,0); drc_enable(codec,0);
} }
@ -756,7 +697,7 @@ static const struct snd_kcontrol_new dacr_mxr_src_controls[] = {
}; };
/*output mixer source select*/ /*** output mixer source select ***/
/*defined left output mixer*/ /*defined left output mixer*/
static const struct snd_kcontrol_new ac10x_loutmix_controls[] = { static const struct snd_kcontrol_new ac10x_loutmix_controls[] = {
@ -779,7 +720,7 @@ static const struct snd_kcontrol_new ac10x_routmix_controls[] = {
}; };
/*hp source select*/ /*** hp source select ***/
/*headphone input source*/ /*headphone input source*/
static const char *ac10x_hp_r_func_sel[] = { static const char *ac10x_hp_r_func_sel[] = {
@ -1130,12 +1071,7 @@ struct aif1_fs {
int series; int series;
}; };
struct aif1_lrck { struct kv_map {
int div;
int bit;
};
struct aif1_word_size {
int val; int val;
int bit; int bit;
}; };
@ -1180,7 +1116,7 @@ static const struct aif1_fs codec_aif1_fs[] = {
{96000, 1, 9}, {96000, 1, 9},
}; };
static const struct aif1_lrck codec_aif1_lrck[] = { static const struct kv_map codec_aif1_lrck[] = {
{16, 0}, {16, 0},
{32, 1}, {32, 1},
{64, 2}, {64, 2},
@ -1188,7 +1124,7 @@ static const struct aif1_lrck codec_aif1_lrck[] = {
{256, 4}, {256, 4},
}; };
static const struct aif1_word_size codec_aif1_wsize[] = { static const struct kv_map codec_aif1_wsize[] = {
{8, 0}, {8, 0},
{16, 1}, {16, 1},
{20, 2}, {20, 2},
@ -1213,8 +1149,7 @@ static int ac10x_aif_mute(struct snd_soc_dai *codec_dai, int mute)
return 0; return 0;
} }
static void ac10x_aif_shutdown(struct snd_pcm_substream *substream, static void ac10x_aif_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *codec_dai)
struct snd_soc_dai *codec_dai)
{ {
struct snd_soc_codec *codec = codec_dai->codec; struct snd_soc_codec *codec = codec_dai->codec;
int reg_val; int reg_val;
@ -1242,7 +1177,7 @@ static int ac10x_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_dai *codec_dai) struct snd_soc_dai *codec_dai)
{ {
int i = 0; int i = 0;
int AIF_CLK_CTRL = 0; int AIF_CLK_CTRL = AIF1_CLK_CTRL;
int aif1_word_size = 16; int aif1_word_size = 16;
int aif1_lrck_div = 64; int aif1_lrck_div = 64;
struct snd_soc_codec *codec = codec_dai->codec; struct snd_soc_codec *codec = codec_dai->codec;
@ -1253,22 +1188,14 @@ static int ac10x_hw_params(struct snd_pcm_substream *substream,
AC10X_DBG("%s() L%d +++\n", __func__, __LINE__); AC10X_DBG("%s() L%d +++\n", __func__, __LINE__);
channels = params_channels(params); channels = params_channels(params);
aif1_lrck_div = 16 * channels;
switch (codec_dai->id) {
case AIF1_CLK:
AIF_CLK_CTRL = AIF1_CLK_CTRL;
aif1_lrck_div = 16 * channels;
break;
default:
return -EINVAL;
}
for (i = 0; i < ARRAY_SIZE(codec_aif1_lrck); i++) { for (i = 0; i < ARRAY_SIZE(codec_aif1_lrck); i++) {
if (codec_aif1_lrck[i].div == aif1_lrck_div) { if (codec_aif1_lrck[i].val == aif1_lrck_div) {
snd_soc_update_bits(codec, AIF_CLK_CTRL, (0x7<<AIF1_LRCK_DIV), ((codec_aif1_lrck[i].bit)<<AIF1_LRCK_DIV));
break; break;
} }
} }
snd_soc_update_bits(codec, AIF_CLK_CTRL, (0x7<<AIF1_LRCK_DIV), codec_aif1_lrck[i].bit<<AIF1_LRCK_DIV);
freq_out = 24576000; freq_out = 24576000;
for (i = 0; i < ARRAY_SIZE(codec_aif1_fs); i++) { for (i = 0; i < ARRAY_SIZE(codec_aif1_fs); i++) {
@ -1302,11 +1229,13 @@ static int ac10x_hw_params(struct snd_pcm_substream *substream,
} }
snd_soc_update_bits(codec, AIF_CLK_CTRL, (0x3<<AIF1_WORK_SIZ), ((codec_aif1_wsize[i].bit)<<AIF1_WORK_SIZ)); snd_soc_update_bits(codec, AIF_CLK_CTRL, (0x3<<AIF1_WORK_SIZ), ((codec_aif1_wsize[i].bit)<<AIF1_WORK_SIZ));
/* set TDM slot size, fixed 32 bits */ /* set TDM slot size */
#if 0 #if 0
if ((i = codec_aif1_wsize[i].bit) > 2) if ((i = codec_aif1_wsize[i].bit) > 2)
#else
/* fixed 32 bits */
i = 2;
#endif #endif
i = 2;
snd_soc_update_bits(codec, AIF1_ADCDAT_CTRL, 0x3 << AIF1_SLOT_SIZ, i << AIF1_SLOT_SIZ); snd_soc_update_bits(codec, AIF1_ADCDAT_CTRL, 0x3 << AIF1_SLOT_SIZ, i << AIF1_SLOT_SIZ);
/* setting pll if it's master mode */ /* setting pll if it's master mode */
@ -1314,17 +1243,14 @@ static int ac10x_hw_params(struct snd_pcm_substream *substream,
if ((reg_val & (0x1 << AIF1_MSTR_MOD)) == 0) { if ((reg_val & (0x1 << AIF1_MSTR_MOD)) == 0) {
unsigned bclkdiv; unsigned bclkdiv;
ac10x_set_pll(codec_dai, AC10X_MCLK1, 0, ac10x->sysclk, freq_out); ac10x_set_pll(codec_dai, AC10X_MCLK1, 0, ac10x->sysclk, freq_out);
bclkdiv = freq_out / (aif1_lrck_div * params_rate(params)); bclkdiv = freq_out / (aif1_lrck_div * params_rate(params));
for (i = 0; i < ARRAY_SIZE(ac10x_bclkdivs) - 1; i++) { for (i = 0; i < ARRAY_SIZE(ac10x_bclkdivs) - 1; i++) {
if (ac10x_bclkdivs[i] >= bclkdiv) { if (ac10x_bclkdivs[i] >= bclkdiv) {
break; break;
} }
} }
snd_soc_update_bits(codec, AIF_CLK_CTRL, (0xf<<AIF1_BCLK_DIV), i<<AIF1_BCLK_DIV); snd_soc_update_bits(codec, AIF_CLK_CTRL, (0xf<<AIF1_BCLK_DIV), i<<AIF1_BCLK_DIV);
} }
@ -1340,47 +1266,20 @@ static int ac10x_set_dai_sysclk(struct snd_soc_dai *codec_dai,
AC10X_DBG("%s,line:%d, id=%d freq=%d, dir=%d\n", __func__, __LINE__, AC10X_DBG("%s,line:%d, id=%d freq=%d, dir=%d\n", __func__, __LINE__,
clk_id, freq, dir); clk_id, freq, dir);
#if 0
struct snd_soc_codec *codec = codec_dai->codec;
switch (clk_id) {
case AIF1_CLK:
AC10X_DBG("%s,line:%d,snd_soc_read(codec, SYSCLK_CTRL):%x\n",
__func__, __LINE__,
snd_soc_read(codec, SYSCLK_CTRL));
/*system clk from aif1*/
snd_soc_update_bits(codec, SYSCLK_CTRL, (0x1<<SYSCLK_SRC), (0x0<<SYSCLK_SRC));
break;
case AIF2_CLK:
/*system clk from aif2*/
snd_soc_update_bits(codec, SYSCLK_CTRL, (0x1<<SYSCLK_SRC), (0x1<<SYSCLK_SRC));
break;
default:
return -EINVAL;
}
#else
ac10x->sysclk = freq; ac10x->sysclk = freq;
#endif
return 0; return 0;
} }
static int ac10x_set_dai_fmt(struct snd_soc_dai *codec_dai, static int ac10x_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
unsigned int fmt)
{ {
int reg_val; int reg_val;
int AIF_CLK_CTRL = 0; int AIF_CLK_CTRL = AIF1_CLK_CTRL;
struct snd_soc_codec *codec = codec_dai->codec; struct snd_soc_codec *codec = codec_dai->codec;
AC10X_DBG("%s() L%d\n", __func__, __LINE__); AC10X_DBG("%s() L%d\n", __func__, __LINE__);
switch (codec_dai->id) {
case AIF1_CLK:
AIF_CLK_CTRL = AIF1_CLK_CTRL;
break;
default:
return -EINVAL;
}
/* /*
* master or slave selection * master or slave selection
* 0 = Master mode * 0 = Master mode
@ -1401,7 +1300,7 @@ static int ac10x_set_dai_fmt(struct snd_soc_dai *codec_dai,
} }
/* /*
* Enable TDM mode * Disable TDM mode
*/ */
// reg_val |= (0x1 << AIF1_TDMM_ENA); // reg_val |= (0x1 << AIF1_TDMM_ENA);
reg_val &= ~(0x1 << AIF1_TDMM_ENA); reg_val &= ~(0x1 << AIF1_TDMM_ENA);
@ -1529,40 +1428,6 @@ static int ac10x_audio_startup(struct snd_pcm_substream *substream,
return 0; return 0;
} }
#ifndef CONFIG_SWITCH_DETECT_EXTERNAL
/*
**switch_hw_config:config the 53 codec register
*/
static void switch_hw_config(struct snd_soc_codec *codec)
{
/*HMIC/MMIC BIAS voltage level select:2.5v*/
snd_soc_update_bits(codec, OMIXER_BST1_CTRL, (0xf<<BIASVOLTAGE), (0xf<<BIASVOLTAGE));
/*debounce when Key down or keyup*/
snd_soc_update_bits(codec, HMIC_CTRL1, (0xf<<HMIC_M), (0x0<<HMIC_M));
/*debounce when earphone plugin or pullout*/
snd_soc_update_bits(codec, HMIC_CTRL1, (0xf<<HMIC_N), (0x0<<HMIC_N));
/*Down Sample Setting Select/11:Downby 8,16Hz*/
snd_soc_update_bits(codec, HMIC_CTRL2, (0x3<<HMIC_SAMPLE_SELECT), (0x0<<HMIC_SAMPLE_SELECT));
/*Hmic_th2 for detecting Keydown or Keyup.*/
snd_soc_update_bits(codec, HMIC_CTRL2, (0x1f<<HMIC_TH2), (0x8<<HMIC_TH2));
/*Hmic_th1[4:0],detecting eraphone plugin or pullout*/
snd_soc_update_bits(codec, HMIC_CTRL2, (0x1f<<HMIC_TH1), (0x1<<HMIC_TH1));
/*Headset microphone BIAS Enable*/
snd_soc_update_bits(codec, ADC_APC_CTRL, (0x1<<HBIASEN), (0x1<<HBIASEN));
/*Headset microphone BIAS Current sensor & ADC Enable*/
snd_soc_update_bits(codec, ADC_APC_CTRL, (0x1<<HBIASADCEN), (0x1<<HBIASADCEN));
/*Earphone Plugin/out Irq Enable*/
snd_soc_update_bits(codec, HMIC_CTRL1, (0x1<<HMIC_PULLOUT_IRQ), (0x1<<HMIC_PULLOUT_IRQ));
snd_soc_update_bits(codec, HMIC_CTRL1, (0x1<<HMIC_PLUGIN_IRQ), (0x1<<HMIC_PLUGIN_IRQ));
/*Hmic KeyUp/key down Irq Enable*/
snd_soc_update_bits(codec, HMIC_CTRL1, (0x1<<HMIC_KEYDOWN_IRQ), (0x1<<HMIC_KEYDOWN_IRQ));
snd_soc_update_bits(codec, HMIC_CTRL1, (0x1<<HMIC_KEYUP_IRQ), (0x1<<HMIC_KEYUP_IRQ));
/*headphone calibration clock frequency select*/
snd_soc_update_bits(codec, SPKOUT_CTRL, (0x7<<HPCALICKS), (0x7<<HPCALICKS));
}
#endif
static int ac10x_set_bias_level(struct snd_soc_codec *codec, static int ac10x_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level) enum snd_soc_bias_level level)
{ {
@ -1574,17 +1439,9 @@ static int ac10x_set_bias_level(struct snd_soc_codec *codec,
AC10X_DBG("%s,line:%d, SND_SOC_BIAS_PREPARE\n", __func__, __LINE__); AC10X_DBG("%s,line:%d, SND_SOC_BIAS_PREPARE\n", __func__, __LINE__);
break; break;
case SND_SOC_BIAS_STANDBY: case SND_SOC_BIAS_STANDBY:
#ifndef CONFIG_SWITCH_DETECT_EXTERNAL
switch_hw_config(codec);
#endif
AC10X_DBG("%s,line:%d, SND_SOC_BIAS_STANDBY\n", __func__, __LINE__); AC10X_DBG("%s,line:%d, SND_SOC_BIAS_STANDBY\n", __func__, __LINE__);
break; break;
case SND_SOC_BIAS_OFF: case SND_SOC_BIAS_OFF:
#ifndef CONFIG_SWITCH_DETECT_EXTERNAL
snd_soc_update_bits(codec, ADC_APC_CTRL, (0x1<<HBIASEN), (0<<HBIASEN));
snd_soc_update_bits(codec, ADC_APC_CTRL, (0x1<<HBIASADCEN), (0<<HBIASADCEN));
#endif
snd_soc_update_bits(codec, OMIXER_DACA_CTRL, (0xf<<HPOUTPUTENABLE), (0<<HPOUTPUTENABLE)); snd_soc_update_bits(codec, OMIXER_DACA_CTRL, (0xf<<HPOUTPUTENABLE), (0<<HPOUTPUTENABLE));
snd_soc_update_bits(codec, ADDA_TUNE3, (0x1<<OSCEN), (0<<OSCEN)); snd_soc_update_bits(codec, ADDA_TUNE3, (0x1<<OSCEN), (0<<OSCEN));
AC10X_DBG("%s,line:%d, SND_SOC_BIAS_OFF\n", __func__, __LINE__); AC10X_DBG("%s,line:%d, SND_SOC_BIAS_OFF\n", __func__, __LINE__);
@ -1627,225 +1484,7 @@ static struct snd_soc_dai_driver ac10x_dai[] = {
.ops = &ac10x_aif1_dai_ops, .ops = &ac10x_aif1_dai_ops,
} }
}; };
#ifndef CONFIG_SWITCH_DETECT_EXTERNAL
static ssize_t switch_gpio_print_state(struct switch_dev *sdev, char *buf)
{
struct ac10x_priv *ac10x =
container_of(sdev, struct ac10x_priv, sdev);
return sprintf(buf, "%d\n", ac10x->state);
}
static ssize_t print_headset_name(struct switch_dev *sdev, char *buf)
{
struct ac10x_priv *ac10x =
container_of(sdev, struct ac10x_priv, sdev);
return sprintf(buf, "%s\n", ac10x->sdev.name);
}
/*
**switch_status_update: update the switch state.
*/
static void switch_status_update(struct ac10x_priv *para)
{
struct ac10x_priv *ac10x = para;
AC10X_DBG("%s,line:%d,ac10x->state:%d\n",__func__, __LINE__, ac10x->state);
down(&ac10x->sem);
switch_set_state(&ac10x->sdev, ac10x->state);
up(&ac10x->sem);
}
/*
**clear_codec_irq_work: clear audiocodec pending and Record the interrupt.
*/
static void clear_codec_irq_work(struct work_struct *work)
{
int reg_val = 0;
struct ac10x_priv *ac10x = container_of(work, struct ac10x_priv, clear_codec_irq);
struct snd_soc_codec *codec = ac10x->codec;
irq_flag = irq_flag+1;
reg_val = snd_soc_read(codec, HMIC_STS);
if ((0x1<<4)&reg_val) {
reset_flag++;
AC10X_DBG("reset_flag:%d\n",reset_flag);
}
reg_val |= (0x1f<<0);
snd_soc_write(codec, HMIC_STS, reg_val);
reg_val = snd_soc_read(codec, HMIC_STS);
if((reg_val&0x1f) != 0){
reg_val |= (0x1f<<0);
snd_soc_write(codec, HMIC_STS, reg_val);
}
if (cancel_work_sync(&ac10x->work) != 0) {
irq_flag--;
}
if (0 == queue_work(switch_detect_queue, &ac10x->work)) {
irq_flag--;
pr_err("[clear_codec_irq_work]add work struct failed!\n");
}
}
/*
**earphone_switch_work: judge the status of the headphone
*/
static void earphone_switch_work(struct work_struct *work)
{
int reg_val = 0;
int tmp = 0;
unsigned int temp_value[11];
struct ac10x_priv *ac10x = container_of(work, struct ac10x_priv, work);
struct snd_soc_codec *codec = ac10x->codec;
irq_flag--;
ac10x->check_count = 0;
ac10x->check_count_sum = 0;
/*read HMIC_DATA */
tmp = snd_soc_read(codec, HMIC_STS);
reg_val = tmp;
tmp = (tmp>>HMIC_DATA);
tmp &= 0x1f;
if ((tmp>=0xb) && (ac10x->mode== FOUR_HEADPHONE_PLUGIN)) {
tmp = snd_soc_read(codec, HMIC_STS);
tmp = (tmp>>HMIC_DATA);
tmp &= 0x1f;
if(tmp>=0x19){
msleep(150);
tmp = snd_soc_read(codec, HMIC_STS);
tmp = (tmp>>HMIC_DATA);
tmp &= 0x1f;
if(((tmp<0xb && tmp>=0x1) || tmp>=0x19)&&(reset_flag == 0)){
input_report_key(ac10x->key, KEY_HEADSETHOOK, 1);
input_sync(ac10x->key);
AC10X_DBG("%s,line:%d,KEY_HEADSETHOOK1\n",__func__,__LINE__);
if(hook_flag1 != hook_flag2){
hook_flag1 = hook_flag2 = 0;
}
hook_flag1++;
}
if(reset_flag)
reset_flag--;
}else if(tmp<0x19 && tmp>=0x17){
msleep(80);
tmp = snd_soc_read(codec, HMIC_STS);
tmp = (tmp>>HMIC_DATA);
tmp &= 0x1f;
if(tmp<0x19 && tmp>=0x17 &&(reset_flag == 0)) {
KEY_VOLUME_FLAG = 1;
input_report_key(ac10x->key, KEY_VOLUMEUP, 1);
input_sync(ac10x->key);
input_report_key(ac10x->key, KEY_VOLUMEUP, 0);
input_sync(ac10x->key);
AC10X_DBG("%s,line:%d,tmp:%d,KEY_VOLUMEUP\n",__func__,__LINE__,tmp);
}
if(reset_flag)
reset_flag--;
}else if(tmp<0x17 && tmp>=0x13){
msleep(80);
tmp = snd_soc_read(codec, HMIC_STS);
tmp = (tmp>>HMIC_DATA);
tmp &= 0x1f;
if(tmp<0x17 && tmp>=0x13 && (reset_flag == 0)){
KEY_VOLUME_FLAG = 1;
input_report_key(ac10x->key, KEY_VOLUMEDOWN, 1);
input_sync(ac10x->key);
input_report_key(ac10x->key, KEY_VOLUMEDOWN, 0);
input_sync(ac10x->key);
AC10X_DBG("%s,line:%d,KEY_VOLUMEDOWN\n",__func__,__LINE__);
}
if(reset_flag)
reset_flag--;
}
} else if ((tmp<0xb && tmp>=0x2) && (ac10x->mode== FOUR_HEADPHONE_PLUGIN)) {
/*read HMIC_DATA */
tmp = snd_soc_read(codec, HMIC_STS);
tmp = (tmp>>HMIC_DATA);
tmp &= 0x1f;
if (tmp<0xb && tmp>=0x2) {
if(KEY_VOLUME_FLAG) {
KEY_VOLUME_FLAG = 0;
}
if(hook_flag1 == (++hook_flag2)) {
hook_flag1 = hook_flag2 = 0;
input_report_key(ac10x->key, KEY_HEADSETHOOK, 0);
input_sync(ac10x->key);
AC10X_DBG("%s,line:%d,KEY_HEADSETHOOK0\n",__func__,__LINE__);
}
}
} else {
while (irq_flag == 0) {
msleep(20);
/*read HMIC_DATA */
tmp = snd_soc_read(codec, HMIC_STS);
tmp = (tmp>>HMIC_DATA);
tmp &= 0x1f;
if(ac10x->check_count_sum <= HEADSET_CHECKCOUNT_SUM){
if (ac10x->check_count <= HEADSET_CHECKCOUNT){
temp_value[ac10x->check_count] = tmp;
ac10x->check_count++;
if(ac10x->check_count >= 2){
if( !(temp_value[ac10x->check_count - 1] == temp_value[(ac10x->check_count) - 2])){
ac10x->check_count = 0;
ac10x->check_count_sum = 0;
}
}
}else{
ac10x->check_count_sum++;
}
}else{
if (temp_value[ac10x->check_count -2] >= 0xb) {
ac10x->state = 2;
ac10x->mode = THREE_HEADPHONE_PLUGIN;
switch_status_update(ac10x);
ac10x->check_count = 0;
ac10x->check_count_sum = 0;
reset_flag = 0;
break;
} else if(temp_value[ac10x->check_count - 2]>=0x1 && temp_value[ac10x->check_count -2]<0xb) {
ac10x->mode = FOUR_HEADPHONE_PLUGIN;
ac10x->state = 1;
switch_status_update(ac10x);
ac10x->check_count = 0;
ac10x->check_count_sum = 0;
reset_flag = 0;
break;
} else {
ac10x->mode = HEADPHONE_IDLE;
ac10x->state = 0;
switch_status_update(ac10x);
ac10x->check_count = 0;
ac10x->check_count_sum = 0;
reset_flag = 0;
break;
}
}
}
}
}
/*
**audio_hmic_irq: the interrupt handlers
*/
static irqreturn_t audio_hmic_irq(int irq, void *para)
{
struct ac10x_priv *ac10x = (struct ac10x_priv *)para;
if (ac10x == NULL) {
return -EINVAL;
}
if(codec_irq_queue == NULL)
pr_err("------------codec_irq_queue is null!!----------");
if(&ac10x->clear_codec_irq == NULL)
pr_err("------------ac10x->clear_codec_irq is null!!----------");
if(0 == queue_work(codec_irq_queue, &ac10x->clear_codec_irq)){
pr_err("[audio_hmic_irq]add work struct failed!\n");
}
return 0;
}
#endif
static void codec_resume_work(struct work_struct *work) static void codec_resume_work(struct work_struct *work)
{ {
struct ac10x_priv *ac10x = container_of(work, struct ac10x_priv, codec_resume); struct ac10x_priv *ac10x = container_of(work, struct ac10x_priv, codec_resume);
@ -1854,19 +1493,6 @@ static void codec_resume_work(struct work_struct *work)
AC10X_DBG("%s() L%d +++\n", __func__, __LINE__); AC10X_DBG("%s() L%d +++\n", __func__, __LINE__);
#ifndef CONFIG_SWITCH_DETECT_EXTERNAL
ac10x->virq = gpio_to_irq(SWITCH_DETECT);
if (IS_ERR_VALUE(ac10x->virq)) {
pr_warn("[ac10x] map gpio to virq failed, errno = %d\n",ac10x->virq);
//return -EINVAL;
}
/* request virq, set virq type to high level trigger */
ret = devm_request_irq(codec->dev, ac10x->virq, audio_hmic_irq, IRQF_TRIGGER_FALLING, "SWTICH_EINT", ac10x);
if (IS_ERR_VALUE(ret)) {
pr_warn("[ac10x] request virq %d failed, errno = %d\n", ac10x->virq, ret);
//return -EINVAL;
}
#endif
for (i = 0; i < ARRAY_SIZE(ac10x_supplies); i++){ for (i = 0; i < ARRAY_SIZE(ac10x_supplies); i++){
ret = regulator_enable(ac10x->supplies[i].consumer); ret = regulator_enable(ac10x->supplies[i].consumer);
@ -1885,19 +1511,6 @@ static void codec_resume_work(struct work_struct *work)
/*enable this bit to prevent leakage from ldoin*/ /*enable this bit to prevent leakage from ldoin*/
snd_soc_update_bits(codec, ADDA_TUNE3, (0x1<<OSCEN), (0x1<<OSCEN)); snd_soc_update_bits(codec, ADDA_TUNE3, (0x1<<OSCEN), (0x1<<OSCEN));
#ifndef CONFIG_SWITCH_DETECT_EXTERNAL
gpio_direction_output(PA_CTL, 1);
gpio_set_value(PA_CTL, 0);
msleep(200);
ret = snd_soc_read(codec, HMIC_STS);
ret = (ret>>HMIC_DATA);
ret &= 0x1f;
if (ret < 1) {
ac10x->state = 0;
switch_status_update(ac10x);
}
#endif
AC10X_DBG("%s() L%d +++\n", __func__, __LINE__); AC10X_DBG("%s() L%d +++\n", __func__, __LINE__);
return; return;
} }
@ -1955,6 +1568,7 @@ static struct attribute_group audio_debug_attr_group = {
.name = "ac10x_debug", .name = "ac10x_debug",
.attrs = audio_debug_attrs, .attrs = audio_debug_attrs,
}; };
/************************************************************/ /************************************************************/
static const struct regmap_config ac101_regmap = { static const struct regmap_config ac101_regmap = {
.reg_bits = 8, .reg_bits = 8,
@ -1979,61 +1593,6 @@ static int ac10x_codec_probe(struct snd_soc_codec *codec)
} }
ac10x->codec = codec; ac10x->codec = codec;
#ifndef CONFIG_SWITCH_DETECT_EXTERNAL
ac10x->sdev.state = 0;
ac10x->state = -1;
ac10x->check_count = 0;
ac10x->check_count_sum = 0;
ac10x->sdev.name = "h2w";
ac10x->sdev.print_name = print_headset_name;
ac10x->sdev.print_state = switch_gpio_print_state;
ret = switch_dev_register(&ac10x->sdev);
if (ret < 0) {
goto err_switch_dev_register;
}
/*use for judge the state of switch*/
INIT_WORK(&ac10x->work, earphone_switch_work);
INIT_WORK(&ac10x->clear_codec_irq,clear_codec_irq_work);
/********************create input device************************/
ac10x->key = input_allocate_device();
if (!ac10x->key) {
pr_err("[ac10x] input_allocate_device: not enough memory for input device\n");
ret = -ENOMEM;
goto err_input_allocate_device;
}
ac10x->key->name = "headset";
ac10x->key->phys = "headset/input0";
ac10x->key->id.bustype = BUS_HOST;
ac10x->key->id.vendor = 0x0001;
ac10x->key->id.product = 0xffff;
ac10x->key->id.version = 0x0100;
ac10x->key->evbit[0] = BIT_MASK(EV_KEY);
set_bit(KEY_HEADSETHOOK, ac10x->key->keybit);
set_bit(KEY_VOLUMEUP, ac10x->key->keybit);
set_bit(KEY_VOLUMEDOWN, ac10x->key->keybit);
ret = input_register_device(ac10x->key);
if (ret) {
pr_err("[ac10x] input_register_device: input_register_device failed\n");
goto err_input_register_device;
}
headphone_state = 0;
ac10x->mode = HEADPHONE_IDLE;
sema_init(&ac10x->sem, 1);
codec_irq_queue = create_singlethread_workqueue("codec_irq");
switch_detect_queue = create_singlethread_workqueue("codec_resume");
if (switch_detect_queue == NULL || codec_irq_queue == NULL) {
pr_err("[ac10x] try to create workqueue for codec failed!\n");
ret = -ENOMEM;
goto err_switch_work_queue;
}
#endif
INIT_WORK(&ac10x->codec_resume, codec_resume_work); INIT_WORK(&ac10x->codec_resume, codec_resume_work);
ac10x->dac_enable = 0; ac10x->dac_enable = 0;
ac10x->adc_enable = 0; ac10x->adc_enable = 0;
@ -2044,29 +1603,6 @@ static int ac10x_codec_probe(struct snd_soc_codec *codec)
mutex_init(&ac10x->adc_mutex); mutex_init(&ac10x->adc_mutex);
mutex_init(&ac10x->aifclk_mutex); mutex_init(&ac10x->aifclk_mutex);
#ifndef CONFIG_SWITCH_DETECT_EXTERNAL
/*request pa gpio*/
ret = gpio_request(PA_CTL, NULL);
if (0 != ret) {
pr_err("request gpio failed!\n");
} else {
/*
* config gpio info of audio_pa_ctrl, the default pa config is close(check pa sys_config1.fex)
*/
gpio_direction_output(PA_CTL, 1);
gpio_set_value(PA_CTL, 0);
}
ac10x->virq = gpio_to_irq(SWITCH_DETECT);
if (IS_ERR_VALUE(ac10x->virq)) {
pr_err("[ac10x] map gpio to virq failed, errno = %d\n",ac10x->virq);
}
/* request virq, set virq type to high level trigger */
ret = devm_request_irq(codec->dev, ac10x->virq, audio_hmic_irq, IRQF_TRIGGER_FALLING, "SWTICH_EINT", ac10x);
if (IS_ERR_VALUE(ret)) {
pr_err("[ac10x] request virq %d failed, errno = %d\n", ac10x->virq, ret);
}
#endif
ac10x->num_supplies = ARRAY_SIZE(ac10x_supplies); ac10x->num_supplies = ARRAY_SIZE(ac10x_supplies);
ac10x->supplies = devm_kzalloc(ac10x->codec->dev, ac10x->supplies = devm_kzalloc(ac10x->codec->dev,
sizeof(struct regulator_bulk_data) * sizeof(struct regulator_bulk_data) *
@ -2105,23 +1641,8 @@ static int ac10x_codec_probe(struct snd_soc_codec *codec)
snd_soc_dapm_new_controls(dapm, ac10x_dapm_widgets, ARRAY_SIZE(ac10x_dapm_widgets)); snd_soc_dapm_new_controls(dapm, ac10x_dapm_widgets, ARRAY_SIZE(ac10x_dapm_widgets));
snd_soc_dapm_add_routes(dapm, ac10x_dapm_routes, ARRAY_SIZE(ac10x_dapm_routes)); snd_soc_dapm_add_routes(dapm, ac10x_dapm_routes, ARRAY_SIZE(ac10x_dapm_routes));
return 0; return 0;
#ifndef CONFIG_SWITCH_DETECT_EXTERNAL
err_switch_work_queue:
devm_free_irq(codec->dev,ac10x->virq,NULL);
err_input_register_device:
if(ac10x->key){
input_free_device(ac10x->key);
}
err_input_allocate_device:
switch_dev_unregister(&ac10x->sdev);
err_switch_dev_register:
#endif
return ret;
} }
/* power down chip */ /* power down chip */
@ -2131,14 +1652,6 @@ static int ac10x_codec_remove(struct snd_soc_codec *codec)
int i = 0; int i = 0;
int ret = 0; int ret = 0;
#ifndef CONFIG_SWITCH_DETECT_EXTERNAL
devm_free_irq(codec->dev,ac10x->virq,NULL);
if (ac10x->key) {
input_unregister_device(ac10x->key);
input_free_device(ac10x->key);
}
switch_dev_unregister(&ac10x->sdev);
#endif
for (i = 0; i < ARRAY_SIZE(ac10x_supplies); i++){ for (i = 0; i < ARRAY_SIZE(ac10x_supplies); i++){
ret = regulator_disable(ac10x->supplies[i].consumer); ret = regulator_disable(ac10x->supplies[i].consumer);
@ -2177,12 +1690,6 @@ static int ac10x_codec_resume(struct snd_soc_codec *codec)
AC10X_DBG("[codec]:resume"); AC10X_DBG("[codec]:resume");
#ifndef CONFIG_SWITCH_DETECT_EXTERNAL
ac10x->mode = HEADPHONE_IDLE;
headphone_state = 0;
ac10x->state = -1;
#endif
/* Sync reg_cache with the hardware */ /* Sync reg_cache with the hardware */
regcache_cache_only(ac10x->regmap, false); regcache_cache_only(ac10x->regmap, false);
ret = regcache_sync(ac10x->regmap); ret = regcache_sync(ac10x->regmap);
@ -2206,8 +1713,7 @@ static struct snd_soc_codec_driver soc_codec_dev_sndvir_audio = {
.ignore_pmdown_time = 1, .ignore_pmdown_time = 1,
}; };
static int ac10x_probe(struct i2c_client *i2c, static int ac10x_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
const struct i2c_device_id *id)
{ {
int ret = 0; int ret = 0;
struct ac10x_priv *ac10x; struct ac10x_priv *ac10x;
@ -2251,17 +1757,20 @@ static int ac10x_probe(struct i2c_client *i2c,
} }
return 0; return 0;
} }
static void ac10x_shutdown(struct i2c_client *i2c) static void ac10x_shutdown(struct i2c_client *i2c)
{ {
int reg_val; int reg_val;
struct snd_soc_codec *codec = NULL; struct snd_soc_codec *codec = NULL;
struct ac10x_priv *ac10x = i2c_get_clientdata(i2c); struct ac10x_priv *ac10x = i2c_get_clientdata(i2c);
if (ac10x->codec != NULL)
if (ac10x->codec != NULL) {
codec = ac10x->codec; codec = ac10x->codec;
else{ } else {
pr_err("no sound card.\n"); pr_err("no sound card.\n");
return ; return;
} }
/*set headphone volume to 0*/ /*set headphone volume to 0*/
reg_val = snd_soc_read(codec, HPOUT_CTRL); reg_val = snd_soc_read(codec, HPOUT_CTRL);
reg_val &= ~(0x3f<<HP_VOL); reg_val &= ~(0x3f<<HP_VOL);
@ -2281,13 +1790,9 @@ static void ac10x_shutdown(struct i2c_client *i2c)
reg_val = snd_soc_read(codec, HPOUT_CTRL); reg_val = snd_soc_read(codec, HPOUT_CTRL);
reg_val &= ~((0x1<<RHPPA_MUTE)|(0x1<<LHPPA_MUTE)); reg_val &= ~((0x1<<RHPPA_MUTE)|(0x1<<LHPPA_MUTE));
snd_soc_write(codec, HPOUT_CTRL, reg_val); snd_soc_write(codec, HPOUT_CTRL, reg_val);
return;
#if PA_CTL
/*disable pa_ctrl*/
gpio_set_value(PA_CTL, 0);
#endif
} }
static int ac10x_remove(struct i2c_client *i2c) static int ac10x_remove(struct i2c_client *i2c)
{ {
struct ac10x_priv *ac10x = i2c_get_clientdata(i2c); struct ac10x_priv *ac10x = i2c_get_clientdata(i2c);
@ -2299,23 +1804,6 @@ static int ac10x_remove(struct i2c_client *i2c)
return 0; return 0;
} }
int ac10x_driver_detect(struct i2c_client *client, struct i2c_board_info *info)
{
struct i2c_adapter *adapter = client->adapter;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
AC10X_DBG("no device found %s() L%d\n", __func__, __LINE__);
return -ENODEV;
}
if (I2C_BUS == adapter->nr) {
strlcpy(info->type, "ac10x-codec", I2C_NAME_SIZE);
return 0;
} else {
AC10X_DBG("no device found %s() L%d\n", __func__, __LINE__);
return -ENODEV;
}
}
static unsigned short normal_i2c[] = {0x1a, I2C_CLIENT_END };
static const struct i2c_device_id ac10x_id[] = { static const struct i2c_device_id ac10x_id[] = {
{"ac10x-codec", 0}, {"ac10x-codec", 0},
{}, {},
@ -2329,34 +1817,20 @@ MODULE_DEVICE_TABLE(of, ac101_of_match);
static struct i2c_driver ac10x_codec_driver = { static struct i2c_driver ac10x_codec_driver = {
.class = I2C_CLASS_HWMON, .class = I2C_CLASS_HWMON,
.id_table = ac10x_id, .id_table = ac10x_id,
.probe = ac10x_probe,
.remove = ac10x_remove,
.driver = { .driver = {
.name = "ac10x-codec", .name = "ac10x-codec",
.owner = THIS_MODULE, .owner = THIS_MODULE,
.of_match_table = ac101_of_match, .of_match_table = ac101_of_match,
}, },
.address_list = normal_i2c, .probe = ac10x_probe,
.detect = ac10x_driver_detect, .remove = ac10x_remove,
.shutdown = ac10x_shutdown, .shutdown = ac10x_shutdown,
}; };
static int __init ac10x_init(void){ module_i2c_driver(ac10x_codec_driver);
int ret;
pr_info("%s(%d): ac100 driver register!\n", __func__, __LINE__);
ret = i2c_add_driver(&ac10x_codec_driver);
return ret;
}
module_init(ac10x_init);
static void __exit ac10x_exit(void)
{
pr_info("%s(%d): ac100 device unregister!\n", __func__, __LINE__);
i2c_del_driver(&ac10x_codec_driver);
}
module_exit(ac10x_exit);
MODULE_DESCRIPTION("ASoC ac10x driver"); MODULE_DESCRIPTION("ASoC ac10x driver");
MODULE_AUTHOR("huangxin,liushaohua"); MODULE_AUTHOR("huangxin,liushaohua");
MODULE_AUTHOR("PeterYang<linsheng.yang@seeed.cc>");
MODULE_LICENSE("GPL"); MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:ac10x-codec"); MODULE_ALIAS("platform:ac10x-codec");