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https://gitee.com/Vancouver2017/luban-lite.git
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106 lines
2.5 KiB
C
106 lines
2.5 KiB
C
/*
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* Copyright (c) 2023-2024, ArtInChip Technology Co., Ltd
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Authors: dwj <weijie.ding@artinchip.com>
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*/
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#include <rtthread.h>
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#include <rtdevice.h>
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#include "aic_hal_gpio.h"
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#include "tlv320aic3101.h"
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#define TLV320_ADDR 0x18
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struct tlv320_device
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{
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struct rt_i2c_bus_device *i2c;
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uint32_t pin;
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};
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static struct tlv320_device tlv320_dev = {0};
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static void reg_write(uint8_t addr, uint8_t val)
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{
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struct rt_i2c_msg msgs[1] = {0};
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uint8_t buff[2] = {0};
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buff[0] = addr;
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buff[1] = val;
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msgs[0].addr = TLV320_ADDR;
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msgs[0].flags = RT_I2C_WR;
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msgs[0].buf = buff;
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msgs[0].len = 2;
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if (rt_i2c_transfer(tlv320_dev.i2c, msgs, 1) != 1)
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{
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rt_kprintf("I2C write data failed, reg = 0x%2x. \n", addr);
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return;
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}
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}
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int tlv320_init(struct codec *codec)
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{
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tlv320_dev.i2c = rt_i2c_bus_device_find(codec->i2c_name);
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if (tlv320_dev.i2c == RT_NULL)
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{
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rt_kprintf("%s bus not found\n", codec->i2c_name);
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return -RT_ERROR;
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}
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//reset pin
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tlv320_dev.pin = codec->pa;
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rt_pin_mode(tlv320_dev.pin, PIN_MODE_OUTPUT);
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rt_pin_write(tlv320_dev.pin, 0);
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rt_thread_delay(1);
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rt_pin_write(tlv320_dev.pin, 1);
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rt_thread_delay(2);
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reg_write(TLV320_PAGE0_PSR, 0x0);
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reg_write(TLV320_PAGE0_SRR, 0x80);
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reg_write(TLV320_PAGE0_CR, 0x1);
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reg_write(TLV320_PAGE0_CGCR, 0x2);
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reg_write(TLV320_PAGE0_LEFTOL, 0x8);
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reg_write(TLV320_PAGE0_RIGHTOL, 0x8);
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reg_write(TLV320_PAGE0_CDPSR, 0xA); //Left Right data path
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reg_write(TLV320_PAGE0_ASDICRB, 0x00);
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reg_write(TLV320_PAGE0_DACPODCR, 0xC0); //dac POWER ON
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reg_write(TLV320_PAGE0_DACOSCR, 0x50); //DAC L1/L3 select
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reg_write(TLV320_PAGE0_ASDICRC, 0x1);
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reg_write(TLV320_PAGE0_LDACDVCR, 0x46);
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reg_write(TLV320_PAGE0_RDACDVCR, 0x46);
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//ADC
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reg_write(TLV320_PAGE0_LADCPGCR, 0x0);
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reg_write(TLV320_PAGE0_RADCPGCR, 0x0);
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reg_write(TLV320_PAGE0_MIC1LPLADC, 0x4); //MIC1LP
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reg_write(TLV320_PAGE0_MIC1RPRADC, 0x4); //MIC1RP
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reg_write(TLV320_PAGE0_MICBIAS, 0x40);
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return RT_EOK;
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}
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struct codec_ops tlv320_ops =
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{
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.init = tlv320_init,
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};
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static struct codec tlv320 =
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{
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.name = "tlv320",
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.i2c_name = AIC_I2S_CODEC_TLV320_I2C,
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.addr = TLV320_ADDR,
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.pa_name = AIC_I2S_CODEC_PA_PIN,
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.ops = &tlv320_ops,
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};
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int rt_hw_tlv320_init(void)
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{
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tlv320.pa = hal_gpio_name2pin(tlv320.pa_name);
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codec_register(&tlv320);
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return 0;
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}
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INIT_DEVICE_EXPORT(rt_hw_tlv320_init);
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