rt-thread/bsp/stm32/stm32f407-rt-spark/board/ports/audio/drv_es8388.c

317 lines
9.5 KiB
C

/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Date Author Notes
* 2019-07-31 Zero-Free first implementation
*/
#include <rtthread.h>
#include <rtdevice.h>
#include "drv_es8388.h"
/* ES8388 address */
#define ES8388_ADDR 0x10 /*0x11:CE=1;0x10:CE=0*/
struct es8388_device
{
struct rt_i2c_bus_device *i2c;
rt_uint16_t pin;
};
static struct es8388_device es_dev = {0};
static rt_uint16_t reg_read(rt_uint8_t addr)
{
struct rt_i2c_msg msg[2] = {0};
rt_uint8_t val = 0xff;
RT_ASSERT(es_dev.i2c != RT_NULL);
msg[0].addr = ES8388_ADDR;
msg[0].flags = RT_I2C_WR;
msg[0].len = 1;
msg[0].buf = &addr;
msg[1].addr = ES8388_ADDR;
msg[1].flags = RT_I2C_RD;
msg[1].len = 1;
msg[1].buf = &val;
if (rt_i2c_transfer(es_dev.i2c, msg, 2) != 2)
{
rt_kprintf("I2C read data failed, reg = 0x%02x. \n", addr);
return 0xff;
}
return val;
}
static void reg_write(rt_uint8_t addr, rt_uint8_t val)
{
struct rt_i2c_msg msgs[1] = {0};
rt_uint8_t buff[2] = {0};
RT_ASSERT(es_dev.i2c != RT_NULL);
buff[0] = addr;
buff[1] = val;
msgs[0].addr = ES8388_ADDR;
msgs[0].flags = RT_I2C_WR;
msgs[0].buf = buff;
msgs[0].len = 2;
if (rt_i2c_transfer(es_dev.i2c, msgs, 1) != 1)
{
rt_kprintf("I2C write data failed, reg = 0x%2x. \n", addr);
return;
}
}
static int es8388_set_adc_dac_volume(int mode, int volume, int dot)
{
int res = 0;
if (volume < -96 || volume > 0)
{
if (volume < -96)
volume = -96;
else
volume = 0;
}
dot = (dot >= 5 ? 1 : 0);
volume = (-volume << 1) + dot;
if (mode == ES_MODE_ADC || mode == ES_MODE_DAC_ADC)
{
reg_write(ES8388_ADCCONTROL8, volume);
reg_write(ES8388_ADCCONTROL9, volume); //ADC Right Volume=0db
}
if (mode == ES_MODE_DAC || mode == ES_MODE_DAC_ADC)
{
reg_write(ES8388_DACCONTROL5, volume);
reg_write(ES8388_DACCONTROL4, volume);
}
return res;
}
void es8388_set_voice_mute(rt_bool_t enable)
{
rt_uint8_t reg = 0;
reg = reg_read(ES8388_DACCONTROL3);
reg = reg & 0xFB;
reg_write(ES8388_DACCONTROL3, reg | (((int)enable) << 2));
}
rt_err_t es8388_init(const char *i2c_name, rt_uint16_t pin)
{
es_dev.i2c = rt_i2c_bus_device_find(i2c_name);
if (es_dev.i2c == RT_NULL)
{
rt_kprintf("%s bus not found\n", i2c_name);
return -RT_ERROR;
}
es_dev.pin = pin;
reg_write(ES8388_DACCONTROL3, 0x04); // 0x04 mute/0x00 unmute&ramp;DAC unmute and disabled digital volume control soft ramp
/* Chip Control and Power Management */
reg_write(ES8388_CONTROL2, 0x50);
reg_write(ES8388_CHIPPOWER, 0x00); //normal all and power up all
reg_write(ES8388_MASTERMODE, 0x00); //TODO:CODEC IN I2S SLAVE MODE
/* dac */
reg_write(ES8388_DACPOWER, 0xC0); //disable DAC and disable Lout/Rout/1/2
reg_write(ES8388_CONTROL1, 0x12); //Enfr=0,Play&Record Mode,(0x17-both of mic&paly)
// reg_write(ES8388_CONTROL2, 0); //LPVrefBuf=0,Pdn_ana=0
reg_write(ES8388_DACCONTROL1, 0x18);//1a 0x18:16bit iis , 0x00:24
reg_write(ES8388_DACCONTROL2, 0x02); //DACFsMode,SINGLE SPEED; DACFsRatio,256
reg_write(ES8388_DACCONTROL16, 0x00); // 0x00 audio on LIN1&RIN1, 0x09 LIN2&RIN2
reg_write(ES8388_DACCONTROL17, 0x9C); // only left DAC to left mixer enable 0db
reg_write(ES8388_DACCONTROL20, 0x9C); // only right DAC to right mixer enable 0db
reg_write(ES8388_DACCONTROL21, 0x80); //set internal ADC and DAC use the same LRCK clock, ADC LRCK as internal LRCK
reg_write(ES8388_DACCONTROL23, 0x00); //vroi=0
es8388_set_adc_dac_volume(ES_MODE_DAC, 0, 0); // 0db
reg_write(ES8388_DACPOWER, 0x3c); //0x3c Enable DAC and Enable Lout/Rout/1/2
/* adc */
reg_write(ES8388_ADCPOWER, 0xFF);
reg_write(ES8388_ADCCONTROL1, 0xbb); // MIC Left and Right channel PGA gain
reg_write(ES8388_ADCCONTROL2, 0x00); //0x00 LINSEL & RINSEL, LIN1/RIN1 as ADC Input; DSSEL,use one DS Reg11; DSR, LINPUT1-RINPUT1
reg_write(ES8388_ADCCONTROL3, 0x02);
reg_write(ES8388_ADCCONTROL4, 0x0d); // Left/Right data, Left/Right justified mode, Bits length, I2S format
reg_write(ES8388_ADCCONTROL5, 0x02); //ADCFsMode,singel SPEED,RATIO=256
//ALC for Microphone
es8388_set_adc_dac_volume(ES_MODE_ADC, 0, 0); // 0db
reg_write(ES8388_ADCPOWER, 0x09); //Power on ADC, Enable LIN&RIN, Power off MICBIAS, set int1lp to low power mode
/* enable es8388 PA */
es8388_pa_power(RT_TRUE);
reg_write(ES8388_DACCONTROL24, 0x1E); // LOUT1VOL balanced noise: 0x18
reg_write(ES8388_DACCONTROL25, 0x1E); // ROUT1VOL balanced noise: 0x18
return RT_EOK;
}
rt_err_t es8388_start(enum es8388_mode mode)
{
int res = 0;
rt_uint8_t prev_data = 0, data = 0;
prev_data = reg_read(ES8388_DACCONTROL21);
if (mode == ES_MODE_LINE)
{
reg_write(ES8388_DACCONTROL16, 0x09); // 0x00 audio on LIN1&RIN1, 0x09 LIN2&RIN2 by pass enable
reg_write(ES8388_DACCONTROL17, 0x50); // left DAC to left mixer enable and LIN signal to left mixer enable 0db : bupass enable
reg_write(ES8388_DACCONTROL20, 0x50); // right DAC to right mixer enable and LIN signal to right mixer enable 0db : bupass enable
reg_write(ES8388_DACCONTROL21, 0xC0); //enable adc
}
else
{
reg_write(ES8388_DACCONTROL21, 0x80); //enable dac
}
data = reg_read(ES8388_DACCONTROL21);
if (prev_data != data)
{
reg_write(ES8388_CHIPPOWER, 0xF0); //start state machine
// reg_write(ES8388_ADDR, ES8388_CONTROL1, 0x16);
// reg_write(ES8388_ADDR, ES8388_CONTROL2, 0x50);
reg_write(ES8388_CHIPPOWER, 0x00); //start state machine
}
if (mode == ES_MODE_ADC || mode == ES_MODE_DAC_ADC || mode == ES_MODE_LINE)
{
reg_write(ES8388_ADCPOWER, 0x00); //power up adc and line in
}
if (mode == ES_MODE_DAC || mode == ES_MODE_DAC_ADC || mode == ES_MODE_LINE)
{
reg_write(ES8388_DACPOWER, 0x3c); //power up dac and line out
es8388_set_voice_mute(RT_FALSE);
}
return res;
}
rt_err_t es8388_stop(enum es8388_mode mode)
{
int res = 0;
if (mode == ES_MODE_LINE)
{
reg_write(ES8388_DACCONTROL21, 0x80); //enable dac
reg_write(ES8388_DACCONTROL16, 0x00); // 0x00 audio on LIN1&RIN1, 0x09 LIN2&RIN2
reg_write(ES8388_DACCONTROL17, 0x90); // only left DAC to left mixer enable 0db
reg_write(ES8388_DACCONTROL20, 0x90); // only right DAC to right mixer enable 0db
return res;
}
if (mode == ES_MODE_DAC || mode == ES_MODE_DAC_ADC)
{
reg_write(ES8388_DACPOWER, 0x00);
es8388_set_voice_mute(RT_TRUE); //res |= Es8388SetAdcDacVolume(ES_MODULE_DAC, -96, 5); // 0db
// reg_write(ES8388_ADDR, ES8388_DACPOWER, 0xC0); //power down dac and line out
}
if (mode == ES_MODE_ADC || mode == ES_MODE_DAC_ADC)
{
// Es8388SetAdcDacVolume(ES_MODULE_ADC, -96, 5); // 0db
reg_write(ES8388_ADCPOWER, 0xFF); //power down adc and line in
}
if (mode == ES_MODE_DAC_ADC)
{
reg_write(ES8388_DACCONTROL21, 0x9C); //disable mclk
// reg_write(ES8388_CONTROL1, 0x00);
// reg_write(ES8388_CONTROL2, 0x58);
// reg_write(ES8388_CHIPPOWER, 0xF3); //stop state machine
}
return RT_EOK;
}
rt_err_t es8388_fmt_set(enum es8388_mode mode, enum es8388_format fmt)
{
rt_uint8_t reg = 0;
if (mode == ES_MODE_ADC || mode == ES_MODE_DAC_ADC)
{
reg = reg_read(ES8388_ADCCONTROL4);
reg = reg & 0xfc;
reg_write(ES8388_ADCCONTROL4, reg | fmt);
}
if (mode == ES_MODE_DAC || mode == ES_MODE_DAC_ADC)
{
reg = reg_read(ES8388_DACCONTROL1);
reg = reg & 0xf9;
reg_write(ES8388_DACCONTROL1, reg | (fmt << 1));
}
return RT_EOK;
}
void es8388_volume_set(rt_uint8_t volume)
{
uint32_t real_vol = 0;
volume = 100 - volume;
if (volume > 100)
volume = 100;
real_vol = 192 * volume / 100;
reg_write(ES8388_DACCONTROL4, (rt_uint8_t)real_vol); // DAC L
reg_write(ES8388_DACCONTROL5, (rt_uint8_t)real_vol); // DAC R
}
rt_uint8_t es8388_volume_get(void)
{
rt_uint8_t volume;
volume = reg_read(ES8388_DACCONTROL24);
if (volume == 0xff)
{
volume = 0;
}
else
{
volume *= 3;
if (volume == 99)
volume = 100;
}
return volume;
}
void es8388_pa_power(rt_bool_t enable)
{
rt_pin_mode(es_dev.pin, PIN_MODE_OUTPUT);
if (enable)
{
rt_pin_write(es_dev.pin, PIN_HIGH);
}
else
{
rt_pin_write(es_dev.pin, PIN_LOW);
}
}
void estest()
{
// reg_write(ES8388_DACCONTROL24, volume);
reg_write(ES8388_ADCCONTROL1, 0x88); /* R9,左右通道PGA增益设置 */
reg_write(ES8388_ADCCONTROL2, 0x10); // 使用板载麦克风
// reg_write(ES8388_ADCCONTROL2,0x50); // 使用耳机麦克风
// reg_write(ES8388_ADCCONTROL3, 0xC0);
reg_write(ES8388_ADCCONTROL8, 0x00); // LADCVOL
reg_write(ES8388_ADCCONTROL9, 0x00); // RADCVOL
reg_write(ES8388_DACCONTROL16, 0x1B); // LMIXSEL RMIXSEL
reg_write(ES8388_DACCONTROL17, 0x40); // LI2LOVOL
reg_write(ES8388_DACCONTROL24, 0x21); // LOUT1VOL
reg_write(ES8388_DACCONTROL25, 0x21); // ROUT1VOL
reg_write(ES8388_DACCONTROL24, 33); // LOUT1VOL balanced noise: 0x18
reg_write(ES8388_DACCONTROL25, 33); // ROUT1VOL balanced noise: 0x18
}
MSH_CMD_EXPORT(estest, test mic loop)