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CoolPi-Armbian-Rockchip-RK3.../sound/soc/codecs/es7202.c

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/*
* ALSA SoC ES7202 pdm adc driver
*
* Author: David Yang, <yangxiaohua@everest-semi.com>
* Copyright: (C) 2020 Everest Semiconductor Co Ltd.,
*
* Based on sound/soc/codecs/es7210.c by David Yang
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Notes:
* ES7202 is 2-ch ADC with PDM interface
*
*/
#include <linux/clk.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/regulator/consumer.h>
#include <linux/spi/spi.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/of_gpio.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/tlv.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/initval.h>
#include <linux/proc_fs.h>
#include <linux/gpio.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/regmap.h>
#include "es7202.h"
//static struct snd_soc_codec *es7202_codec;
struct i2c_client *i2c_ctl[ADC_DEV_MAXNUM];
struct snd_soc_component *tron_component1[ADC_DEV_MAXNUM];
static int es7202_adc_num = 0;
/* codec private data */
struct es7202_priv {
struct regmap *regmap;
struct i2c_client *i2c;
unsigned int pwr_vdd_voltage;
struct regulator *vdd;
int reset_gpio;
bool reset_active_level;
};
static const struct reg_default es7202_reg_defaults[] = {
{0x00, 0x10}, {0x01, 0x00}, {0x02, 0x04}, {0x03, 0x00},
{0x04, 0x01}, {0x05, 0x18}, {0x06, 0x00}, {0x07, 0x30},
{0x08, 0x02}, {0x10, 0xff}, {0x11, 0x0c}, {0x12, 0x55},
{0x13, 0x55}, {0x14, 0x8c}, {0x15, 0x33}, {0x16, 0x33},
{0x17, 0x33}, {0x18, 0x44}, {0x19, 0x00}, {0x1a, 0x00},
{0x1b, 0x00}, {0x1c, 0xf8}, {0x1d, 0x18}, {0x1e, 0x18},
};
static int es7202_read(u8 reg, u8 * rt_value, struct i2c_client *client)
{
int ret;
u8 read_cmd[3] = { 0 };
u8 cmd_len = 0;
read_cmd[0] = reg;
cmd_len = 1;
if (!client || !client->adapter)
return -1;
ret = i2c_master_send(client, read_cmd, cmd_len);
if (ret != cmd_len) {
printk("es7202_read error1\n");
return -1;
}
ret = i2c_master_recv(client, rt_value, 1);
if (ret != 1) {
printk("es7202_read error2, ret = %d.\n", ret);
return -1;
}
return 0;
}
static int es7202_write(u8 reg, unsigned char value, struct i2c_client *client)
{
int ret = 0;
u8 write_cmd[2] = { 0 };
if (!client || !client->adapter)
return -1;
write_cmd[0] = reg;
write_cmd[1] = value;
ret = i2c_master_send(client, write_cmd, 2);
if (ret != 2) {
printk("es7202_write error->[REG-0x%02x,val-0x%02x]\n",
reg, value);
return -1;
}
return 0;
}
static int es7202_update_bits(u8 reg, u8 mask, u8 value,
struct i2c_client *client)
{
u8 val_old = 0, val_new = 0;
es7202_read(reg, &val_old, client);
val_new = (val_old & ~mask) | (value & mask);
if (val_new != val_old) {
es7202_write(reg, val_new, client);
}
return 0;
}
#if 0
static int es7202_multi_chips_write(u8 reg, unsigned char value)
{
u8 i;
for (i = 0; i < ADC_DEV_MAXNUM; i++) {
es7202_write(reg, value, i2c_ctl[i]);
}
return 0;
}
#endif
static int es7202_multi_chips_update_bits(u8 reg, u8 mask, u8 value)
{
u8 i;
for (i = 0; i < ADC_DEV_MAXNUM; i++) {
es7202_update_bits(reg, mask, value, i2c_ctl[i]);
}
return 0;
}
static const DECLARE_TLV_DB_SCALE(mic_boost_tlv, 0, 300, 0);
#if ES7202_CHANNELS_MAX > 0
static int es7202_micboost1_setting_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
es7202_update_bits(0x1d, 0x0F,
ucontrol->value.integer.value[0] & 0x0f,
i2c_ctl[0]);
return 0;
}
static int es7202_micboost1_setting_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
u8 val = 0;
es7202_read(0x1d, &val, i2c_ctl[0]);
ucontrol->value.integer.value[0] = val & 0x0f;
return 0;
}
static int es7202_micboost2_setting_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
es7202_update_bits(0x1e,
0x0F,
ucontrol->value.integer.value[0] & 0x0f, i2c_ctl[0]);
return 0;
}
static int es7202_micboost2_setting_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
u8 val = 0;
es7202_read(0x1e, &val, i2c_ctl[0]);
ucontrol->value.integer.value[0] = val & 0x0f;
return 0;
}
#endif
#if ES7202_CHANNELS_MAX > 2
static int es7202_micboost3_setting_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
es7202_update_bits(0x1d,
0x0F,
ucontrol->value.integer.value[0] & 0x0f, i2c_ctl[1]);
return 0;
}
static int es7202_micboost3_setting_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
u8 val = 0;
es7202_read(0x1d, &val, i2c_ctl[1]);
ucontrol->value.integer.value[0] = val & 0x0f;
return 0;
}
static int es7202_micboost4_setting_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
es7202_update_bits(0x1e,
0x0F,
ucontrol->value.integer.value[0] & 0x0f, i2c_ctl[1]);
return 0;
}
static int es7202_micboost4_setting_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
u8 val = 0;
es7202_read(0x1e, &val, i2c_ctl[1]);
ucontrol->value.integer.value[0] = val & 0x0f;
return 0;
}
#endif
#if ES7202_CHANNELS_MAX > 4
static int es7202_micboost5_setting_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
es7202_update_bits(0x1d,
0x0F,
ucontrol->value.integer.value[0] & 0x0f, i2c_ctl[2]);
return 0;
}
static int es7202_micboost5_setting_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
u8 val;
es7202_read(0x1d, &val, i2c_ctl[2]);
ucontrol->value.integer.value[0] = val & 0x0f;
return 0;
}
static int es7202_micboost6_setting_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
es7202_update_bits(0x1e,
0x0F,
ucontrol->value.integer.value[0] & 0x0f, i2c_ctl[2]);
return 0;
}
static int es7202_micboost6_setting_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
u8 val;
es7202_read(0x1e, &val, i2c_ctl[2]);
ucontrol->value.integer.value[0] = val & 0x0f;
return 0;
}
#endif
#if ES7202_CHANNELS_MAX > 6
static int es7202_micboost7_setting_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
es7202_update_bits(0x1d,
0x0F,
ucontrol->value.integer.value[0] & 0x0f, i2c_ctl[3]);
return 0;
}
static int es7202_micboost7_setting_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
u8 val;
es7202_read(0x1d, &val, i2c_ctl[3]);
ucontrol->value.integer.value[0] = val & 0x0f;
return 0;
}
static int es7202_micboost8_setting_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
es7202_update_bits(0x1e,
0x0F,
ucontrol->value.integer.value[0] & 0x0f, i2c_ctl[3]);
return 0;
}
static int es7202_micboost8_setting_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
u8 val;
es7202_read(0x1e, &val, i2c_ctl[3]);
ucontrol->value.integer.value[0] = val & 0x0f;
return 0;
}
#endif
#if ES7202_CHANNELS_MAX > 8
static int es7202_micboost9_setting_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
es7202_update_bits(0x1d,
0x0F,
ucontrol->value.integer.value[0] & 0x0f, i2c_ctl[4]);
return 0;
}
static int es7202_micboost9_setting_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
u8 val;
es7202_read(0x1d, &val, i2c_ctl[4]);
ucontrol->value.integer.value[0] = val & 0x0f;
return 0;
}
static int es7202_micboost10_setting_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
es7202_update_bits(0x1e,
0x0F,
ucontrol->value.integer.value[0] & 0x0f, i2c_ctl[4]);
return 0;
}
static int es7202_micboost10_setting_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
u8 val;
es7202_read(0x1e, &val, i2c_ctl[4]);
ucontrol->value.integer.value[0] = val & 0x0f;
return 0;
}
#endif
#if ES7202_CHANNELS_MAX > 10
static int es7202_micboost11_setting_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
es7202_update_bits(0x1d,
0x0F,
ucontrol->value.integer.value[0] & 0x0f, i2c_ctl[5]);
return 0;
}
static int es7202_micboost11_setting_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
u8 val;
es7202_read(0x1d, &val, i2c_ctl[5]);
ucontrol->value.integer.value[0] = val & 0x0f;
return 0;
}
static int es7202_micboost12_setting_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
es7202_update_bits(0x1e,
0x0F,
ucontrol->value.integer.value[0] & 0x0f, i2c_ctl[5]);
return 0;
}
static int es7202_micboost12_setting_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
u8 val;
es7202_read(0x1e, &val, i2c_ctl[5]);
ucontrol->value.integer.value[0] = val & 0x0f;
return 0;
}
#endif
#if ES7202_CHANNELS_MAX > 12
static int es7202_micboost13_setting_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
es7202_update_bits(0x1d,
0x0F,
ucontrol->value.integer.value[0] & 0x0f, i2c_ctl[6]);
return 0;
}
static int es7202_micboost13_setting_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
u8 val;
es7202_read(0x1d, &val, i2c_ctl[6]);
ucontrol->value.integer.value[0] = val & 0x0f;
return 0;
}
static int es7202_micboost14_setting_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
es7202_update_bits(0x1e,
0x0F,
ucontrol->value.integer.value[0] & 0x0f, i2c_ctl[6]);
return 0;
}
static int es7202_micboost14_setting_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
u8 val;
es7202_read(0x1e, &val, i2c_ctl[6]);
ucontrol->value.integer.value[0] = val & 0x0f;
return 0;
}
#endif
#if ES7202_CHANNELS_MAX > 14
static int es7202_micboost15_setting_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
es7202_update_bits(0x1d,
0x0F,
ucontrol->value.integer.value[0] & 0x0f, i2c_ctl[7]);
return 0;
}
static int es7202_micboost15_setting_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
u8 val;
es7202_read(0x1d, &val, i2c_ctl[7]);
ucontrol->value.integer.value[0] = val & 0x0f;
return 0;
}
static int es7202_micboost16_setting_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
es7202_update_bits(0x1e,
0x0F,
ucontrol->value.integer.value[0] & 0x0f, i2c_ctl[7]);
return 0;
}
static int es7202_micboost16_setting_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
u8 val;
es7202_read(0x1e, &val, i2c_ctl[7]);
ucontrol->value.integer.value[0] = val & 0x0f;
return 0;
}
#endif
static const struct snd_kcontrol_new es7202_snd_controls[] = {
#if ES7202_CHANNELS_MAX > 0
SOC_SINGLE_EXT_TLV("PGA1_setting", 0x1D, 0, 0x0C, 0,
es7202_micboost1_setting_get,
es7202_micboost1_setting_set,
mic_boost_tlv),
SOC_SINGLE_EXT_TLV("PGA2_setting", 0x1E, 0, 0x0C, 0,
es7202_micboost2_setting_get,
es7202_micboost2_setting_set,
mic_boost_tlv),
#endif
#if ES7202_CHANNELS_MAX > 2
SOC_SINGLE_EXT_TLV("PGA3_setting", 0x1D, 0, 0x0C, 0,
es7202_micboost3_setting_get,
es7202_micboost3_setting_set,
mic_boost_tlv),
SOC_SINGLE_EXT_TLV("PGA4_setting", 0x1E, 0, 0x0C, 0,
es7202_micboost4_setting_get,
es7202_micboost4_setting_set,
mic_boost_tlv),
#endif
#if ES7202_CHANNELS_MAX > 4
SOC_SINGLE_EXT_TLV("PGA5_setting", 0x1D, 0, 0x0C, 0,
es7202_micboost5_setting_get,
es7202_micboost5_setting_set,
mic_boost_tlv),
SOC_SINGLE_EXT_TLV("PGA6_setting", 0x1E, 0, 0x0C, 0,
es7202_micboost6_setting_get,
es7202_micboost6_setting_set,
mic_boost_tlv),
#endif
#if ES7202_CHANNELS_MAX > 6
SOC_SINGLE_EXT_TLV("PGA7_setting", 0x1D, 0, 0x0C, 0,
es7202_micboost7_setting_get,
es7202_micboost7_setting_set,
mic_boost_tlv),
SOC_SINGLE_EXT_TLV("PGA8_setting", 0x1E, 0, 0x0C, 0,
es7202_micboost8_setting_get,
es7202_micboost8_setting_set,
mic_boost_tlv),
#endif
#if ES7202_CHANNELS_MAX > 8
SOC_SINGLE_EXT_TLV("PGA9_setting", 0x1D, 0, 0x0C, 0,
es7202_micboost9_setting_get,
es7202_micboost9_setting_set,
mic_boost_tlv),
SOC_SINGLE_EXT_TLV("PGA10_setting", 0x1E, 0, 0x0C, 0,
es7202_micboost10_setting_get,
es7202_micboost10_setting_set,
mic_boost_tlv),
#endif
#if ES7202_CHANNELS_MAX > 10
SOC_SINGLE_EXT_TLV("PGA11_setting", 0x1D, 0, 0x0C, 0,
es7202_micboost11_setting_get,
es7202_micboost11_setting_set,
mic_boost_tlv),
SOC_SINGLE_EXT_TLV("PGA12_setting", 0x1E, 0, 0x0C, 0,
es7202_micboost12_setting_get,
es7202_micboost12_setting_set,
mic_boost_tlv),
#endif
#if ES7202_CHANNELS_MAX > 12
SOC_SINGLE_EXT_TLV("PGA13_setting", 0x1D, 0, 0x0C, 0,
es7202_micboost13_setting_get,
es7202_micboost13_setting_set,
mic_boost_tlv),
SOC_SINGLE_EXT_TLV("PGA14_setting", 0x1E, 0, 0x0C, 0,
es7202_micboost14_setting_get,
es7202_micboost14_setting_set,
mic_boost_tlv),
#endif
#if ES7202_CHANNELS_MAX > 14
SOC_SINGLE_EXT_TLV("PGA15_setting", 0x1D, 0, 0x0C, 0,
es7202_micboost15_setting_get,
es7202_micboost15_setting_set,
mic_boost_tlv),
SOC_SINGLE_EXT_TLV("PGA16_setting", 0x1E, 0, 0x0C, 0,
es7202_micboost16_setting_get,
es7202_micboost16_setting_set,
mic_boost_tlv),
#endif
};
static int es7202_mute(struct snd_soc_dai *dai, int mute, int stream)
{
if (stream == SNDRV_PCM_STREAM_PLAYBACK)
return 0;
if (mute) {
es7202_multi_chips_update_bits(ES7202_PDM_INF_CTL_REG07, 0x03,0x03);
} else {
es7202_multi_chips_update_bits(ES7202_PDM_INF_CTL_REG07, 0x03,0x00);
}
return 0;
}
#define es7202_RATES SNDRV_PCM_RATE_8000_96000
static struct snd_soc_dai_ops es7202_ops = {
.mute_stream = es7202_mute,
};
#if ES7202_CHANNELS_MAX > 0
static struct snd_soc_dai_driver es7202_dai0 = {
.name = "es7202 pdm 0",
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 8,
.rates = es7202_RATES,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
.ops = &es7202_ops,
.symmetric_rate = 1,
};
#endif
#if ES7202_CHANNELS_MAX > 2
static struct snd_soc_dai_driver es7202_dai1 = {
.name = "es7202 pdm 1",
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 8,
.rates = es7202_RATES,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
.ops = &es7202_ops,
.symmetric_rate = 1,
};
#endif
#if ES7202_CHANNELS_MAX > 4
static struct snd_soc_dai_driver es7202_dai2 = {
.name = "es7202 pdm 2",
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 8,
.rates = es7202_RATES,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
.ops = &es7202_ops,
.symmetric_rate = 1,
};
#endif
#if ES7202_CHANNELS_MAX > 6
static struct snd_soc_dai_driver es7202_dai3 = {
.name = "es7202 pdm 3",
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 8,
.rates = es7202_RATES,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
.ops = &es7202_ops,
.symmetric_rate = 1,
};
#endif
#if ES7202_CHANNELS_MAX > 8
static struct snd_soc_dai_driver es7202_dai4 = {
.name = "es7202 pdm 4",
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 10,
.rates = es7202_RATES,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
.ops = &es7202_ops,
.symmetric_rate = 1,
};
#endif
#if ES7202_CHANNELS_MAX > 10
static struct snd_soc_dai_driver es7202_dai5 = {
.name = "es7202 pdm 5",
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 12,
.rates = es7202_RATES,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
.ops = &es7202_ops,
.symmetric_rate = 1,
};
#endif
#if ES7202_CHANNELS_MAX > 12
static struct snd_soc_dai_driver es7202_dai6 = {
.name = "es7202 pdm 6",
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 14,
.rates = es7202_RATES,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
.ops = &es7202_ops,
.symmetric_rate = 1,
};
#endif
#if ES7202_CHANNELS_MAX > 14
static struct snd_soc_dai_driver es7202_dai7 = {
.name = "es7202 pdm 7",
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 16,
.rates = es7202_RATES,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
.ops = &es7202_ops,
.symmetric_rate = 1,
};
#endif
static struct snd_soc_dai_driver *es7202_dai[] = {
#if ES7202_CHANNELS_MAX > 0
&es7202_dai0,
#endif
#if ES7202_CHANNELS_MAX > 2
&es7202_dai1,
#endif
#if ES7202_CHANNELS_MAX > 4
&es7202_dai2,
#endif
#if ES7202_CHANNELS_MAX > 6
&es7202_dai3,
#endif
#if ES7202_CHANNELS_MAX > 8
&es7202_dai4,
#endif
#if ES7202_CHANNELS_MAX > 10
&es7202_dai5,
#endif
#if ES7202_CHANNELS_MAX > 12
&es7202_dai6,
#endif
#if ES7202_CHANNELS_MAX > 14
&es7202_dai7,
#endif
};
static int es7202_suspend(struct snd_soc_component *component)
{
es7202_multi_chips_update_bits(ES7202_PDM_INF_CTL_REG07, 0x03,0x03);
msleep(50);
return 0;
}
static int es7202_resume(struct snd_soc_component *component)
{
msleep(50);
es7202_multi_chips_update_bits(ES7202_PDM_INF_CTL_REG07, 0x03,0x00);
return 0;
}
static int es7202_probe(struct snd_soc_component *component)
{
struct es7202_priv *es7202 = snd_soc_component_get_drvdata(component);
int cnt;
int ret = 0;
printk("enter into %s()\n", __func__);
tron_component1[es7202_adc_num++] = component;
for (cnt = 0; cnt < ADC_DEV_MAXNUM; cnt++) {
es7202_write(ES7202_SOFT_MODE_REG01, 0x01, i2c_ctl[cnt]);
switch(es7202->pwr_vdd_voltage) {
case VDD_3V3:
es7202_write(ES7202_ANALOG_MISC1_REG1B, 0x50, i2c_ctl[cnt]);
es7202_write(ES7202_PGA1_REG1D, 0x1b, i2c_ctl[cnt]);
es7202_write(ES7202_PGA2_REG1E, 0x1b, i2c_ctl[cnt]);
es7202_write(ES7202_ANALOG_EN_REG10, 0x7F, i2c_ctl[cnt]);
es7202_write(ES7202_BIAS_VMID_REG11, 0x2F, i2c_ctl[cnt]);
es7202_write(ES7202_ANALOG_EN_REG10, 0x0F, i2c_ctl[cnt]);
es7202_write(ES7202_ANALOG_EN_REG10, 0x00, i2c_ctl[cnt]);
break;
default:
case VDD_1V8:
es7202_write(ES7202_ANALOG_MISC1_REG1B, 0x40, i2c_ctl[cnt]);
es7202_write(ES7202_PGA1_REG1D, 0x1b, i2c_ctl[cnt]);
es7202_write(ES7202_PGA2_REG1E, 0x1b, i2c_ctl[cnt]);
es7202_write(ES7202_ANALOG_EN_REG10, 0x7F, i2c_ctl[cnt]);
es7202_write(ES7202_BIAS_VMID_REG11, 0x2F, i2c_ctl[cnt]);
es7202_write(ES7202_ANALOG_EN_REG10, 0x3F, i2c_ctl[cnt]);
es7202_write(ES7202_ANALOG_EN_REG10, 0x00, i2c_ctl[cnt]);
break;
}
es7202_write(ES7202_MOD1_BIAS_REG14, 0x58, i2c_ctl[cnt]);
es7202_write(ES7202_CLK_DIV_REG02, 0x01, i2c_ctl[cnt]);
es7202_write(ES7202_T2_VMID_REG05, 0x01, i2c_ctl[cnt]);
es7202_write(ES7202_MISC_CTL_REG08, 0x02, i2c_ctl[cnt]);
es7202_write(ES7202_RESET_REG00, 0x01, i2c_ctl[cnt]);
es7202_write(ES7202_CLK_EN_REG03, 0x03, i2c_ctl[cnt]);
es7202_write(ES7202_BIAS_VMID_REG11, 0x2E, i2c_ctl[cnt]);
es7202_multi_chips_update_bits(ES7202_PDM_INF_CTL_REG07, 0x03, 0x00);
}
return ret;
}
static void es7202_remove(struct snd_soc_component *component)
{
es7202_multi_chips_update_bits(ES7202_PDM_INF_CTL_REG07, 0x03,0x03);
msleep(50);
}
const struct regmap_config es7202_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.max_register = 0xff,
.cache_type = REGCACHE_RBTREE,
.reg_defaults = es7202_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(es7202_reg_defaults),
};
static struct snd_soc_component_driver soc_codec_dev_es7202 = {
.probe = es7202_probe,
.remove = es7202_remove,
.suspend = es7202_suspend,
.resume = es7202_resume,
.controls = es7202_snd_controls,
.num_controls = ARRAY_SIZE(es7202_snd_controls),
.idle_bias_on = 1,
.use_pmdown_time = 1,
.endianness = 1,
};
static ssize_t es7202_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
int val=0, flag=0;
u8 i=0, reg, num, value_w, value_r;
struct es7202_priv *es7202 = dev_get_drvdata(dev);
val = simple_strtol(buf, NULL, 16);
flag = (val >> 16) & 0xFF;
if (flag) {
reg = (val >> 8) & 0xFF;
value_w = val & 0xFF;
printk("\nWrite: start REG:0x%02x,val:0x%02x,count:0x%02x\n", reg, value_w, flag);
while(flag--) {
es7202_write(reg, value_w, es7202->i2c);
printk("Write 0x%02x to REG:0x%02x\n", value_w, reg);
reg++;
}
} else {
reg = (val >> 8) & 0xFF;
num = val & 0xff;
printk("\nRead: start REG:0x%02x,count:0x%02x\n", reg, num);
do {
value_r = 0;
es7202_read(reg, &value_r, es7202->i2c);
printk("REG[0x%02x]: 0x%02x; ", reg, value_r);
reg++;
i++;
if ((i==num) || (i%4==0)) printk("\n");
} while (i<num);
}
return count;
}
static ssize_t es7202_show(struct device *dev, struct device_attribute *attr, char *buf)
{
printk("echo flag|reg|val > es7202\n");
printk("eg read star addres=0x06,count 0x10:echo 0610 >es7202\n");
printk("eg write star addres=0x90,value=0x3c,count=4:echo 4903c >es7202\n");
return 0;
}
static DEVICE_ATTR(es7202, 0644, es7202_show, es7202_store);
static struct attribute *es7202_debug_attrs[] = {
&dev_attr_es7202.attr,
NULL,
};
static struct attribute_group es7202_debug_attr_group = {
.name = "es7202_debug",
.attrs = es7202_debug_attrs,
};
static int es7202_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct es7202_priv *es7202;
int uV;
int ret = -1;
dev_info(&i2c->dev, "probe\n");
es7202 = devm_kzalloc(&i2c->dev, sizeof(*es7202), GFP_KERNEL);
if (!es7202)
return -ENOMEM;
es7202->i2c = i2c;
es7202->vdd = devm_regulator_get_optional(&i2c->dev, "power");
if (IS_ERR(es7202->vdd)) {
if (PTR_ERR(es7202->vdd) == -EPROBE_DEFER)
return -EPROBE_DEFER;
dev_warn(&i2c->dev, "power-supply get fail, use 3v3 as default\n");
es7202->pwr_vdd_voltage = VDD_3V3;
} else {
uV = regulator_get_voltage(es7202->vdd);
dev_info(&i2c->dev, "probe power-supply %duV\n", uV);
if (uV <= MAX_VOLTAGE_1_8)
es7202->pwr_vdd_voltage = VDD_1V8;
else
es7202->pwr_vdd_voltage = VDD_3V3;
}
dev_set_drvdata(&i2c->dev, es7202);
if (id->driver_data < ADC_DEV_MAXNUM) {
i2c_ctl[id->driver_data] = i2c;
dev_info(&i2c->dev, "probe reigister es7202 dai(%s) component\n",
es7202_dai[id->driver_data]->name);
ret = devm_snd_soc_register_component(&i2c->dev, &soc_codec_dev_es7202,
es7202_dai[id->driver_data], 1);
if (ret < 0) {
return ret;
}
}
ret = sysfs_create_group(&i2c->dev.kobj, &es7202_debug_attr_group);
if (ret) {
dev_err(&i2c->dev, "failed to create attr group\n");
}
return ret;
}
static void es7202_i2c_remove(struct i2c_client *client)
{
sysfs_remove_group(&client->dev.kobj, &es7202_debug_attr_group);
}
static void es7202_i2c_shutdown(struct i2c_client *client)
{
es7202_multi_chips_update_bits(ES7202_PDM_INF_CTL_REG07, 0x03,0x03);
msleep(50);
}
#if !ES7202_MATCH_DTS_EN
static int es7202_i2c_detect(struct i2c_client *client,
struct i2c_board_info *info)
{
struct i2c_adapter *adapter = client->adapter;
if (adapter->nr == ES7202_I2C_BUS_NUM) {
if (client->addr == 0x30) {
strlcpy(info->type, "ES7202_PDM_ADC_1", I2C_NAME_SIZE);
return 0;
} else if (client->addr == 0x31) {
strlcpy(info->type, "ES7202_PDM_ADC_2", I2C_NAME_SIZE);
return 0;
} else if (client->addr == 0x32) {
strlcpy(info->type, "ES7202_PDM_ADC_3", I2C_NAME_SIZE);
return 0;
} else if (client->addr == 0x33) {
strlcpy(info->type, "ES7202_PDM_ADC_4", I2C_NAME_SIZE);
return 0;
}else if (client->addr == 0x34) {
strlcpy(info->type, "ES7202_PDM_ADC_5", I2C_NAME_SIZE);
return 0;
}else if (client->addr == 0x35) {
strlcpy(info->type, "ES7202_PDM_ADC_6", I2C_NAME_SIZE);
return 0;
}else if (client->addr == 0x36) {
strlcpy(info->type, "ES7202_PDM_ADC_7", I2C_NAME_SIZE);
return 0;
}else if (client->addr == 0x37) {
strlcpy(info->type, "ES7202_PDM_ADC_8", I2C_NAME_SIZE);
return 0;
}
}
return -ENODEV;
}
static const unsigned short es7202_i2c_addr[] = {
#if ES7202_CHANNELS_MAX > 0
0x30,
#endif
#if ES7202_CHANNELS_MAX > 2
0x31,
#endif
#if ES7202_CHANNELS_MAX > 4
0x32,
#endif
#if ES7202_CHANNELS_MAX > 6
0x33,
#endif
#if ES7202_CHANNELS_MAX > 8
0x34,
#endif
#if ES7202_CHANNELS_MAX > 10
0x35,
#endif
#if ES7202_CHANNELS_MAX > 12
0x36,
#endif
#if ES7202_CHANNELS_MAX > 14
0x37,
#endif
I2C_CLIENT_END,
};
#endif
#if ES7202_MATCH_DTS_EN
/*
* device tree source or i2c_board_info both use to
* transfer hardware information to linux kernel,
* use one of them wil be OK
*/
#if 0
static struct i2c_board_info es7202_i2c_board_info[] = {
#if ES7202_CHANNELS_MAX > 0
{I2C_BOARD_INFO("ES7202_PDM_ADC_1", 0x30),},
#endif
#if ES7202_CHANNELS_MAX > 2
{I2C_BOARD_INFO("ES7202_PDM_ADC_2", 0x31),},
#endif
#if ES7202_CHANNELS_MAX > 4
{I2C_BOARD_INFO("ES7202_PDM_ADC_3", 0x32),},
#endif
#if ES7202_CHANNELS_MAX > 6
{I2C_BOARD_INFO("ES7202_PDM_ADC_4", 0x33),},
#endif
#if ES7202_CHANNELS_MAX > 8
{I2C_BOARD_INFO("ES7202_PDM_ADC_5", 0x34),},
#endif
#if ES7202_CHANNELS_MAX > 10
{I2C_BOARD_INFO("ES7202_PDM_ADC_6", 0x35),},
#endif
#if ES7202_CHANNELS_MAX > 12
{I2C_BOARD_INFO("ES7202_PDM_ADC_7", 0x36),},
#endif
#if ES7202_CHANNELS_MAX > 14
{I2C_BOARD_INFO("ES7202_PDM_ADC_8", 0x37),},
#endif
};
#endif
static const struct of_device_id es7202_dt_ids[] = {
#if ES7202_CHANNELS_MAX > 0
{.compatible = "ES7202_PDM_ADC_1",},
#endif
#if ES7202_CHANNELS_MAX > 2
{.compatible = "ES7202_PDM_ADC_2",},
#endif
#if ES7202_CHANNELS_MAX > 4
{.compatible = "ES7202_PDM_ADC_3",},
#endif
#if ES7202_CHANNELS_MAX > 6
{.compatible = "ES7202_PDM_ADC_4",},
#endif
#if ES7202_CHANNELS_MAX > 8
{.compatible = "ES7202_PDM_ADC_5",},
#endif
#if ES7202_CHANNELS_MAX > 10
{.compatible = "ES7202_PDM_ADC_6",},
#endif
#if ES7202_CHANNELS_MAX > 12
{.compatible = "ES7202_PDM_ADC_7",},
#endif
#if ES7202_CHANNELS_MAX > 14
{.compatible = "ES7202_PDM_ADC_8",},
#endif
{}
};
#endif
static const struct i2c_device_id es7202_i2c_id[] = {
#if ES7202_CHANNELS_MAX > 0
{"ES7202_PDM_ADC_1", 0},
#endif
#if ES7202_CHANNELS_MAX > 2
{"ES7202_PDM_ADC_2", 1},
#endif
#if ES7202_CHANNELS_MAX > 4
{"ES7202_PDM_ADC_3", 2},
#endif
#if ES7202_CHANNELS_MAX > 6
{"ES7202_PDM_ADC_4", 3},
#endif
#if ES7202_CHANNELS_MAX > 8
{"ES7202_PDM_ADC_5", 4},
#endif
#if ES7202_CHANNELS_MAX > 10
{"ES7202_PDM_ADC_6", 5},
#endif
#if ES7202_CHANNELS_MAX > 12
{"ES7202_PDM_ADC_7", 6},
#endif
#if ES7202_CHANNELS_MAX > 14
{"ES7202_PDM_ADC_8", 7},
#endif
{}
};
static struct i2c_driver es7202_i2c_driver = {
.driver = {
.name = "es7202",
#if ES7202_MATCH_DTS_EN
.of_match_table = es7202_dt_ids,
#endif
},
.probe = es7202_i2c_probe,
.remove = es7202_i2c_remove,
.shutdown = es7202_i2c_shutdown,
.class = I2C_CLASS_HWMON,
.id_table = es7202_i2c_id,
#if !ES7202_MATCH_DTS_EN
.address_list = es7202_i2c_addr,
.detect = es7202_i2c_detect,
#endif
};
static int __init es7202_modinit(void)
{
int ret;
//#if ES7202_MATCH_DTS_EN
#if 0
int i;
struct i2c_adapter *adapter;
struct i2c_client *client;
#endif
//#if ES7202_MATCH_DTS_EN
#if 0
/*
* Notes:
* if the device has been declared in DTS tree,
* here don't need to create new i2c device with i2c_board_info.
*/
adapter = i2c_get_adapter(ES7202_I2C_BUS_NUM);
if (!adapter) {
printk("i2c_get_adapter() fail!\n");
return -ENODEV;
}
printk("%s() begin0000", __func__);
for (i = 0; i < ADC_DEV_MAXNUM; i++) {
client = i2c_new_device(adapter, &es7202_i2c_board_info[i]);
printk("%s() i2c_new_device\n", __func__);
if (!client)
return -ENODEV;
}
i2c_put_adapter(adapter);
#endif
ret = i2c_add_driver(&es7202_i2c_driver);
if (ret != 0)
printk("Failed to register es7202 i2c driver : %d \n", ret);
return ret;
}
late_initcall(es7202_modinit);
//module_init(es7202_modinit);
static void __exit es7202_exit(void)
{
i2c_del_driver(&es7202_i2c_driver);
}
module_exit(es7202_exit);
MODULE_DESCRIPTION("ASoC es7202 pdm adc driver");
MODULE_AUTHOR(" David Yang, <yangxiaohua@everest-semi.com>>");
MODULE_LICENSE("GPL v2");
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