rt-thread-official/bsp/nxp/imx/imxrt/libraries/drivers/bsp_wm8960.c

626 lines
21 KiB
C

/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-12-05 zylx The first version for STM32F4xx
* 2019-4-25 misonyo port to IMXRT
*/
#include <rtthread.h>
#include <rtdevice.h>
#include "bsp_wm8960.h"
#include <stdlib.h>
#include <drv_log.h>
#include <rthw.h>
static rt_uint16_t wm8960_regval_tbl[56] = {
0x0097, 0x0097, 0x0000, 0x0000, 0x0000, 0x0008, 0x0000, 0x000a, 0x01c0, 0x0000, 0x00ff, 0x00ff, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x007b, 0x0100, 0x0032, 0x0000, 0x00c3, 0x00c3, 0x01c0, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0100, 0x0100, 0x0050, 0x0050, 0x0050, 0x0050, 0x0000, 0x0000, 0x0000, 0x0000,
0x0040, 0x0000, 0x0000, 0x0050, 0x0050, 0x0000, 0x0002, 0x0037, 0x004d, 0x0080, 0x0008, 0x0031, 0x0026, 0x00e9,
};
static rt_uint16_t reg_cache[WM8960_CACHEREGNUM];
static void wm8960_write_reg(struct rt_i2c_bus_device *dev, rt_uint8_t reg, rt_uint16_t val)
{
struct rt_i2c_msg msg;
rt_uint8_t send_buffer[2];
RT_ASSERT(dev != RT_NULL);
/* store temp */
rt_uint16_t buff = val;
reg_cache[reg] = buff;
send_buffer[0] = (reg << 1) | ((val >> 8U) & 0x0001U);
send_buffer[1] = (rt_uint8_t)(val & 0xFF);
msg.addr = 0x1A;////WM8960_I2C_ADDR 0x1A
msg.flags = RT_I2C_WR;
msg.len = 2;
msg.buf = send_buffer;
rt_i2c_transfer(dev, &msg, 1);
}
static void wm8960_read_reg(struct rt_i2c_bus_device *dev, rt_uint8_t reg, rt_uint16_t *val)
{
*val = reg_cache[reg];
}
static void wm8960_modify_reg(struct rt_i2c_bus_device *dev, rt_uint8_t reg, rt_uint16_t mask, rt_uint16_t val)
{
uint16_t reg_val = 0;
wm8960_read_reg(dev, reg, &reg_val);
reg_val &= (rt_uint16_t)~mask;
reg_val |= val;
wm8960_write_reg(dev, reg, reg_val);
}
void WM8960_SetMasterSlave(struct rt_i2c_bus_device *dev, rt_bool_t master)
{
if (master == 1)
{
wm8960_modify_reg(dev, WM8960_IFACE1, WM8960_IFACE1_MS_MASK, WM8960_IFACE1_MS(WM8960_IFACE1_MASTER));
}
else
{
wm8960_modify_reg(dev, WM8960_IFACE1, WM8960_IFACE1_MS_MASK, WM8960_IFACE1_MS(WM8960_IFACE1_SLAVE));
}
}
void WM8960_SetModule(struct rt_i2c_bus_device *dev, wm8960_module_t module, rt_bool_t isEnabled)
{
switch (module)
{
case kWM8960_ModuleADC:
wm8960_modify_reg(dev, WM8960_POWER1, WM8960_POWER1_ADCL_MASK,
((uint16_t)isEnabled << WM8960_POWER1_ADCL_SHIFT));
wm8960_modify_reg(dev, WM8960_POWER1, WM8960_POWER1_ADCR_MASK,
((uint16_t)isEnabled << WM8960_POWER1_ADCR_SHIFT));
break;
case kWM8960_ModuleDAC:
wm8960_modify_reg(dev, WM8960_POWER2, WM8960_POWER2_DACL_MASK,
((uint16_t)isEnabled << WM8960_POWER2_DACL_SHIFT));
wm8960_modify_reg(dev, WM8960_POWER2, WM8960_POWER2_DACR_MASK,
((uint16_t)isEnabled << WM8960_POWER2_DACR_SHIFT));
break;
case kWM8960_ModuleVREF:
wm8960_modify_reg(dev, WM8960_POWER1, WM8960_POWER1_VREF_MASK,
((uint16_t)isEnabled << WM8960_POWER1_VREF_SHIFT));
break;
case kWM8960_ModuleLineIn:
wm8960_modify_reg(dev, WM8960_POWER1, WM8960_POWER1_AINL_MASK,
((uint16_t)isEnabled << WM8960_POWER1_AINL_SHIFT));
wm8960_modify_reg(dev, WM8960_POWER1, WM8960_POWER1_AINR_MASK,
((uint16_t)isEnabled << WM8960_POWER1_AINR_SHIFT));
break;
case kWM8960_ModuleLineOut:
wm8960_modify_reg(dev, WM8960_POWER2, WM8960_POWER2_LOUT1_MASK,
((uint16_t)isEnabled << WM8960_POWER2_LOUT1_SHIFT));
wm8960_modify_reg(dev, WM8960_POWER2, WM8960_POWER2_ROUT1_MASK,
((uint16_t)isEnabled << WM8960_POWER2_ROUT1_SHIFT));
break;
case kWM8960_ModuleMICB:
wm8960_modify_reg(dev, WM8960_POWER1, WM8960_POWER1_MICB_MASK,
((uint16_t)isEnabled << WM8960_POWER1_MICB_SHIFT));
break;
case kWM8960_ModuleSpeaker:
wm8960_modify_reg(dev, WM8960_POWER2, WM8960_POWER2_SPKL_MASK,
((uint16_t)isEnabled << WM8960_POWER2_SPKL_SHIFT));
wm8960_modify_reg(dev, WM8960_POWER2, WM8960_POWER2_SPKR_MASK,
((uint16_t)isEnabled << WM8960_POWER2_SPKR_SHIFT));
wm8960_write_reg(dev, WM8960_CLASSD1, 0xF7);
break;
case kWM8960_ModuleMIC:
wm8960_modify_reg(dev, WM8960_POWER3, WM8960_POWER3_LMIC_MASK,
((uint16_t)isEnabled << WM8960_POWER3_LMIC_SHIFT));
wm8960_modify_reg(dev, WM8960_POWER3, WM8960_POWER3_RMIC_MASK,
((uint16_t)isEnabled << WM8960_POWER3_RMIC_SHIFT));
break;
case kWM8960_ModuleOMIX:
wm8960_modify_reg(dev, WM8960_POWER3, WM8960_POWER3_LOMIX_MASK,
((uint16_t)isEnabled << WM8960_POWER3_LOMIX_SHIFT));
wm8960_modify_reg(dev, WM8960_POWER3, WM8960_POWER3_ROMIX_MASK,
((uint16_t)isEnabled << WM8960_POWER3_ROMIX_SHIFT));
break;
default:
break;
}
}
void WM8960_SetDataRoute(struct rt_i2c_bus_device *dev, wm8960_route_t route)
{
switch (route)
{
case kWM8960_RouteBypass:
/* Bypass means from line-in to HP*/
/*
* Left LINPUT3 to left output mixer, LINPUT3 left output mixer volume = 0dB
*/
wm8960_write_reg(dev, WM8960_LOUTMIX, 0x80);
/*
* Right RINPUT3 to right output mixer, RINPUT3 right output mixer volume = 0dB
*/
wm8960_write_reg(dev, WM8960_ROUTMIX, 0x80);
break;
case kWM8960_RoutePlayback:
/* Data route I2S_IN-> DAC-> HP */
/*
* Left DAC to left output mixer, LINPUT3 left output mixer volume = 0dB
*/
wm8960_write_reg(dev, WM8960_LOUTMIX, 0x100);
/*
* Right DAC to right output mixer, RINPUT3 right output mixer volume = 0dB
*/
wm8960_write_reg(dev, WM8960_ROUTMIX, 0x100);
wm8960_write_reg(dev, WM8960_POWER3, 0x0C);
/* Set power for DAC */
WM8960_SetModule(dev, kWM8960_ModuleDAC, RT_TRUE);
WM8960_SetModule(dev, kWM8960_ModuleOMIX, RT_TRUE);
WM8960_SetModule(dev, kWM8960_ModuleLineOut, RT_TRUE);
break;
case kWM8960_RoutePlaybackandRecord:
/*
* Left DAC to left output mixer, LINPUT3 left output mixer volume = 0dB
*/
wm8960_write_reg(dev, WM8960_LOUTMIX, 0x100);
/*
* Right DAC to right output mixer, RINPUT3 right output mixer volume = 0dB
*/
wm8960_write_reg(dev, WM8960_ROUTMIX, 0x100);
wm8960_write_reg(dev, WM8960_POWER3, 0x3C);
WM8960_SetModule(dev, kWM8960_ModuleDAC, RT_TRUE);
WM8960_SetModule(dev, kWM8960_ModuleADC, RT_TRUE);
WM8960_SetModule(dev, kWM8960_ModuleLineIn, RT_TRUE);
WM8960_SetModule(dev, kWM8960_ModuleOMIX, RT_TRUE);
WM8960_SetModule(dev, kWM8960_ModuleLineOut, RT_TRUE);
break;
case kWM8960_RouteRecord:
/* LINE_IN->ADC->I2S_OUT */
/*
* Left and right input boost, LIN3BOOST and RIN3BOOST = 0dB
*/
wm8960_write_reg(dev, WM8960_POWER3, 0x30);
/* Power up ADC and AIN */
WM8960_SetModule(dev, kWM8960_ModuleLineIn, RT_TRUE);
WM8960_SetModule(dev, kWM8960_ModuleADC, RT_TRUE);
break;
default:
break;
}
}
void WM8960_SetLeftInput(struct rt_i2c_bus_device *dev, wm8960_input_t input)
{
uint16_t val = 0;
switch (input)
{
case kWM8960_InputSingleEndedMic:
/* Only LMN1 enabled, LMICBOOST to 13db, LMIC2B enabled */
wm8960_read_reg(dev,WM8960_POWER1, &val);
val |= (WM8960_POWER1_AINL_MASK | WM8960_POWER1_ADCL_MASK | WM8960_POWER1_MICB_MASK);
wm8960_write_reg(dev, WM8960_POWER1, val);
wm8960_write_reg(dev, WM8960_LINPATH, 0x138);
wm8960_write_reg(dev, WM8960_LINVOL, 0x117);
break;
case kWM8960_InputDifferentialMicInput2:
wm8960_read_reg(dev,WM8960_POWER1, &val);
val |= (WM8960_POWER1_AINL_MASK | WM8960_POWER1_ADCL_MASK | WM8960_POWER1_MICB_MASK);
wm8960_write_reg(dev, WM8960_POWER1, val);
wm8960_write_reg(dev, WM8960_LINPATH, 0x178);
wm8960_write_reg(dev, WM8960_LINVOL, 0x117);
break;
case kWM8960_InputDifferentialMicInput3:
wm8960_read_reg(dev,WM8960_POWER1, &val);
val |= (WM8960_POWER1_AINL_MASK | WM8960_POWER1_ADCL_MASK | WM8960_POWER1_MICB_MASK);
wm8960_write_reg(dev, WM8960_POWER1, val);
wm8960_write_reg(dev, WM8960_LINPATH, 0x1B8);
wm8960_write_reg(dev, WM8960_LINVOL, 0x117);
break;
case kWM8960_InputLineINPUT2:
wm8960_read_reg(dev,WM8960_POWER1, &val);
val |= (WM8960_POWER1_AINL_MASK | WM8960_POWER1_ADCL_MASK);
wm8960_write_reg(dev, WM8960_POWER1, val);
wm8960_read_reg(dev,WM8960_INBMIX1, &val);
val |= 0xE;
wm8960_write_reg(dev, WM8960_INBMIX1, val);
break;
case kWM8960_InputLineINPUT3:
wm8960_read_reg(dev,WM8960_POWER1, &val);
val |= (WM8960_POWER1_AINL_MASK | WM8960_POWER1_ADCL_MASK);
wm8960_write_reg(dev, WM8960_POWER1, val);
wm8960_read_reg(dev,WM8960_INBMIX1, &val);
val |= 0x70;
wm8960_write_reg(dev, WM8960_INBMIX1, val);
break;
default:
break;
}
}
void WM8960_SetRightInput(struct rt_i2c_bus_device *dev, wm8960_input_t input)
{
uint16_t val = 0;
switch (input)
{
case kWM8960_InputSingleEndedMic:
/* Only LMN1 enabled, LMICBOOST to 13db, LMIC2B enabled */
wm8960_read_reg(dev,WM8960_POWER1, &val);
val |= (WM8960_POWER1_AINR_MASK | WM8960_POWER1_ADCR_MASK | WM8960_POWER1_MICB_MASK);
wm8960_write_reg(dev, WM8960_POWER1, val);
wm8960_write_reg(dev, WM8960_RINPATH, 0x138);
wm8960_write_reg(dev, WM8960_RINVOL, 0x117);
break;
case kWM8960_InputDifferentialMicInput2:
wm8960_read_reg(dev,WM8960_POWER1, &val);
val |= (WM8960_POWER1_AINR_MASK | WM8960_POWER1_ADCR_MASK | WM8960_POWER1_MICB_MASK);
wm8960_write_reg(dev, WM8960_POWER1, val);
wm8960_write_reg(dev, WM8960_RINPATH, 0x178);
wm8960_write_reg(dev, WM8960_RINVOL, 0x117);
break;
case kWM8960_InputDifferentialMicInput3:
wm8960_read_reg(dev,WM8960_POWER1, &val);
val |= (WM8960_POWER1_AINR_MASK | WM8960_POWER1_ADCR_MASK | WM8960_POWER1_MICB_MASK);
wm8960_write_reg(dev, WM8960_POWER1, val);
wm8960_write_reg(dev, WM8960_RINPATH, 0x1B8);
wm8960_write_reg(dev, WM8960_RINVOL, 0x117);
break;
case kWM8960_InputLineINPUT2:
wm8960_read_reg(dev,WM8960_POWER1, &val);
val |= (WM8960_POWER1_AINR_MASK | WM8960_POWER1_ADCR_MASK);
wm8960_write_reg(dev, WM8960_POWER1, val);
wm8960_read_reg(dev,WM8960_INBMIX2, &val);
val |= 0xE;
wm8960_write_reg(dev, WM8960_INBMIX2, val);
break;
case kWM8960_InputLineINPUT3:
wm8960_read_reg(dev,WM8960_POWER1, &val);
val |= (WM8960_POWER1_AINR_MASK | WM8960_POWER1_ADCR_MASK);
wm8960_write_reg(dev, WM8960_POWER1, val);
wm8960_read_reg(dev,WM8960_INBMIX2, &val);
val |= 0x70;
wm8960_write_reg(dev, WM8960_INBMIX2, val);
break;
default:
break;
}
}
void WM8960_SetProtocol(struct rt_i2c_bus_device *dev, wm8960_protocol_t protocol)
{
wm8960_modify_reg(dev, WM8960_IFACE1, WM8960_IFACE1_FORMAT_MASK | WM8960_IFACE1_LRP_MASK, protocol);
}
void WM8960_SetVolume(struct rt_i2c_bus_device *dev, wm8960_module_t module, rt_uint32_t volume)
{
uint16_t vol = 0;
switch (module)
{
case kWM8960_ModuleADC:
vol = volume;
wm8960_write_reg(dev, WM8960_LADC, vol);
wm8960_write_reg(dev, WM8960_RADC, vol);
/* Update volume */
vol = 0x100 | volume;
wm8960_write_reg(dev, WM8960_LADC, vol);
wm8960_write_reg(dev, WM8960_RADC, vol);
break;
case kWM8960_ModuleDAC:
vol = volume;
wm8960_write_reg(dev, WM8960_LDAC, vol);
wm8960_write_reg(dev, WM8960_RDAC, vol);
vol = 0x100 | volume;
wm8960_write_reg(dev, WM8960_LDAC, vol);
wm8960_write_reg(dev, WM8960_RDAC, vol);
break;
case kWM8960_ModuleHP:
vol = volume;
wm8960_write_reg(dev, WM8960_LOUT1, vol);
wm8960_write_reg(dev, WM8960_ROUT1, vol);
vol = 0x100 | volume;
wm8960_write_reg(dev, WM8960_LOUT1, vol);
wm8960_write_reg(dev, WM8960_ROUT1, vol);
break;
case kWM8960_ModuleLineIn:
vol = volume;
wm8960_write_reg(dev, WM8960_LINVOL, vol);
wm8960_write_reg(dev, WM8960_RINVOL, vol);
vol = 0x100 | volume;
wm8960_write_reg(dev, WM8960_LINVOL, vol);
wm8960_write_reg(dev, WM8960_RINVOL, vol);
break;
case kWM8960_ModuleSpeaker:
vol = volume;
wm8960_write_reg(dev, WM8960_LOUT2, vol);
wm8960_write_reg(dev, WM8960_ROUT2, vol);
vol = 0x100 | volume;
wm8960_write_reg(dev, WM8960_LOUT2, vol);
wm8960_write_reg(dev, WM8960_ROUT2, vol);
break;
default:
break;
}
}
rt_uint32_t WM8960_GetVolume(struct rt_i2c_bus_device *dev, wm8960_module_t module)
{
uint16_t vol = 0;
switch (module)
{
case kWM8960_ModuleADC:
wm8960_read_reg(dev,WM8960_LADC, &vol);
vol &= 0xFF;
break;
case kWM8960_ModuleDAC:
wm8960_read_reg(dev,WM8960_LDAC, &vol);
vol &= 0xFF;
break;
case kWM8960_ModuleHP:
wm8960_read_reg(dev,WM8960_LOUT1, &vol);
vol &= 0x7F;
break;
case kWM8960_ModuleLineOut:
wm8960_read_reg(dev,WM8960_LINVOL, &vol);
vol &= 0x3F;
break;
default:
vol = 0;
break;
}
return vol;
}
void WM8960_SetMute(struct rt_i2c_bus_device *dev, wm8960_module_t module, rt_bool_t isEnabled)
{
switch (module)
{
case kWM8960_ModuleADC:
/*
* Digital Mute
*/
if (isEnabled)
{
wm8960_write_reg(dev, WM8960_LADC, 0x100);
wm8960_write_reg(dev, WM8960_RADC, 0x100);
}
else
{
wm8960_write_reg(dev, WM8960_LADC, 0x1C3);
wm8960_write_reg(dev, WM8960_RADC, 0x1C3);
}
break;
case kWM8960_ModuleDAC:
/*
* Digital mute
*/
if (isEnabled)
{
wm8960_write_reg(dev, WM8960_LDAC, 0x100);
wm8960_write_reg(dev, WM8960_RDAC, 0x100);
}
else
{
wm8960_write_reg(dev, WM8960_LDAC, 0x1FF);
wm8960_write_reg(dev, WM8960_RDAC, 0x1FF);
}
break;
case kWM8960_ModuleHP:
/*
* Analog mute
*/
if (isEnabled)
{
wm8960_write_reg(dev, WM8960_LOUT1, 0x100);
wm8960_write_reg(dev, WM8960_ROUT1, 0x100);
}
else
{
wm8960_write_reg(dev, WM8960_LOUT1, 0x16F);
wm8960_write_reg(dev, WM8960_ROUT1, 0x16F);
}
break;
case kWM8960_ModuleSpeaker:
if (isEnabled)
{
wm8960_write_reg(dev, WM8960_LOUT2, 0x100);
wm8960_write_reg(dev, WM8960_ROUT2, 0x100);
}
else
{
wm8960_write_reg(dev, WM8960_LOUT2, 0x16F);
wm8960_write_reg(dev, WM8960_ROUT2, 0x16f);
}
break;
case kWM8960_ModuleLineOut:
break;
default:
break;
}
}
void WM8960_ConfigDataFormat(struct rt_i2c_bus_device *dev, rt_uint32_t sysclk, rt_uint32_t sample_rate, rt_uint32_t bits)
{
uint32_t divider = 0;
uint16_t val = 0;
/* Compute sample rate divider, dac and adc are the same sample rate */
divider = sysclk / sample_rate;
if (divider == 256)
{
val = 0;
}
if (divider > 256)
{
val = (((divider / 256U) << 6U) | ((divider / 256U) << 3U));
}
wm8960_write_reg(dev, WM8960_CLOCK1, val);
/* Compute bclk divider */
divider /= bits * 2;
switch (divider)
{
case 4:
case 5:
case 6:
val = (0x1C0 | divider);
break;
case 8:
val = 0x1C7;
break;
case 11:
val = 0x1C8;
break;
case 12:
val = 0x1C9;
break;
case 16:
val = 0x1CA;
break;
case 22:
val = 0x1CB;
break;
case 24:
val = 0x1CC;
break;
case 32:
val = 0x1CF;
break;
default:
break;
}
wm8960_write_reg(dev, WM8960_CLOCK2, val);
/*
* Slave mode (MS = 0), LRP = 0, 32bit WL, left justified (FORMAT[1:0]=0b01)
*/
switch (bits)
{
case 16:
wm8960_modify_reg(dev, WM8960_IFACE1, WM8960_IFACE1_WL_MASK,
WM8960_IFACE1_WL(WM8960_IFACE1_WL_16BITS));
break;
case 20:
wm8960_modify_reg(dev, WM8960_IFACE1, WM8960_IFACE1_WL_MASK,
WM8960_IFACE1_WL(WM8960_IFACE1_WL_20BITS));
break;
case 24:
wm8960_modify_reg(dev, WM8960_IFACE1, WM8960_IFACE1_WL_MASK,
WM8960_IFACE1_WL(WM8960_IFACE1_WL_24BITS));
break;
case 32:
wm8960_modify_reg(dev, WM8960_IFACE1, WM8960_IFACE1_WL_MASK,
WM8960_IFACE1_WL(WM8960_IFACE1_WL_32BITS));
break;
default:
break;
}
}
void WM8960_Deinit(struct rt_i2c_bus_device *dev)
{
WM8960_SetModule(dev, kWM8960_ModuleADC, RT_FALSE);
WM8960_SetModule(dev, kWM8960_ModuleDAC, RT_FALSE);
WM8960_SetModule(dev, kWM8960_ModuleVREF, RT_FALSE);
WM8960_SetModule(dev, kWM8960_ModuleLineIn, RT_FALSE);
WM8960_SetModule(dev, kWM8960_ModuleLineOut, RT_FALSE);
WM8960_SetModule(dev, kWM8960_ModuleSpeaker, RT_FALSE);
}
void WM8960_init(struct rt_i2c_bus_device *dev, wm8960_config_t *wm8960Config)
{
wm8960_config_t *config = wm8960Config;
rt_memcpy(reg_cache, wm8960_regval_tbl, sizeof(wm8960_regval_tbl));
/* Reset the codec */
wm8960_write_reg(dev, WM8960_RESET, 0x00);
/*
* VMID=50K, Enable VREF, AINL, AINR, ADCL and ADCR
* I2S_IN (bit 0), I2S_OUT (bit 1), DAP (bit 4), DAC (bit 5), ADC (bit 6) are powered on
*/
wm8960_write_reg(dev, WM8960_POWER1, 0xFE);
/*
* Enable DACL, DACR, LOUT1, ROUT1, PLL down
*/
wm8960_write_reg(dev, WM8960_POWER2, 0x1E0);
/*
* Enable left and right channel input PGA, left and right output mixer
*/
wm8960_write_reg(dev, WM8960_POWER3, 0x3C);
/* ADC and DAC uses same clock */
wm8960_write_reg(dev, WM8960_IFACE2, 0x40);
/* set data route */
WM8960_SetDataRoute(dev, config->route);
/* set data protocol */
WM8960_SetProtocol(dev, config->bus);
/* set master or slave */
WM8960_SetMasterSlave(dev, config->master_slave);
/* select left input */
WM8960_SetLeftInput(dev, config->leftInputSource);
/* select right input */
WM8960_SetRightInput(dev, config->rightInputSource);
/* speaker power */
if (config->enableSpeaker)
{
WM8960_SetModule(dev, kWM8960_ModuleSpeaker, RT_TRUE);
}
wm8960_write_reg(dev, WM8960_ADDCTL1, 0x0C0);
wm8960_write_reg(dev, WM8960_ADDCTL4, 0x40);
wm8960_write_reg(dev, WM8960_BYPASS1, 0x0);
wm8960_write_reg(dev, WM8960_BYPASS2, 0x0);
/*
* ADC volume, 0dB
*/
wm8960_write_reg(dev, WM8960_LADC, 0x1C3);
wm8960_write_reg(dev, WM8960_RADC, 0x1C3);
/*
* Digital DAC volume, 0dB
*/
wm8960_write_reg(dev, WM8960_LDAC, 0x1E0);
wm8960_write_reg(dev, WM8960_RDAC, 0x1E0);
/*
* Headphone volume, LOUT1 and ROUT1, 0dB
*/
wm8960_write_reg(dev, WM8960_LOUT1, 0x16F);
wm8960_write_reg(dev, WM8960_ROUT1, 0x16F);
/* Unmute DAC. */
wm8960_write_reg(dev, WM8960_DACCTL1, 0x0000);
wm8960_write_reg(dev, WM8960_LINVOL, 0x117);
wm8960_write_reg(dev, WM8960_RINVOL, 0x117);
WM8960_ConfigDataFormat(dev, config->format.mclk_HZ, config->format.sampleRate, config->format.bitWidth);
}
void WM8960_SetPlay(struct rt_i2c_bus_device *dev, uint32_t playSource)
{
if (kWM8960_PlaySourcePGA & playSource)
{
wm8960_modify_reg(dev, WM8960_BYPASS1, 0x80U, 0x80U);
wm8960_modify_reg(dev, WM8960_BYPASS2, 0x80U, 0x80U);
wm8960_modify_reg(dev, WM8960_LOUTMIX, 0x180U, 0U);
wm8960_modify_reg(dev, WM8960_ROUTMIX, 0x180U, 0U);
}
if (playSource & kWM8960_PlaySourceDAC)
{
wm8960_modify_reg(dev, WM8960_BYPASS1, 0x80U, 0x00U);
wm8960_modify_reg(dev, WM8960_BYPASS2, 0x80U, 0x00U);
wm8960_modify_reg(dev, WM8960_LOUTMIX, 0x180U, 0x100U);
wm8960_modify_reg(dev, WM8960_ROUTMIX, 0x180U, 0x100U);
}
if (playSource & kWM8960_PlaySourceInput)
{
wm8960_modify_reg(dev, WM8960_BYPASS1, 0x80U, 0x0U);
wm8960_modify_reg(dev, WM8960_BYPASS2, 0x80U, 0x0U);
wm8960_modify_reg(dev, WM8960_LOUTMIX, 0x180U, 0x80U);
wm8960_modify_reg(dev, WM8960_ROUTMIX, 0x180U, 0x80U);
}
}