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rt-thread/bsp/imxrt/Libraries/imxrt1021/drivers/fsl_wm8960.c

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Add RT1021-EVK BSP Support For RTThread By JiCheng
2019-03-11 13:10:36 +08:00
/*
* Copyright (c) 2016, Freescale Semiconductor, Inc.
* Copyright 2016-2017 NXP
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* o Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* o Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "fsl_wm8960.h"
#include "fsl_common.h"
/*******************************************************************************
* Definitations
******************************************************************************/
/*******************************************************************************
* Prototypes
******************************************************************************/
/*******************************************************************************
* Variables
******************************************************************************/
/*
* wm8960 register cache
* We can't read the WM8960 register space when we are
* using 2 wire for device control, so we cache them instead.
*/
static const uint16_t wm8960_reg[WM8960_CACHEREGNUM] = {
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 uint16_t reg_cache[WM8960_CACHEREGNUM];
/*******************************************************************************
* Code
******************************************************************************/
void WM8960_Init(wm8960_handle_t *handle, wm8960_config_t *config)
{
uint32_t i = 4000000;
memcpy(reg_cache, wm8960_reg, sizeof(wm8960_reg));
/* Set WM8960 I2C address */
handle->xfer.slaveAddress = WM8960_I2C_ADDR;
/* NULL pointer means default setting. */
if (config == NULL)
{
/*
* Reset all registers
*/
WM8960_WriteReg(handle, WM8960_RESET, 0x00);
WM8960_WriteReg(handle, WM8960_IFACE2, 0x40);
/*
* 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_WriteReg(handle, WM8960_POWER1, 0xCA);
/*
* Enable DACL, DACR, LOUT1, ROUT1, PLL down
*/
WM8960_WriteReg(handle, WM8960_POWER2, 0x1E0);
/*
* Enable left and right channel input PGA, left and right output mixer
*/
WM8960_WriteReg(handle, WM8960_POWER3, 0xC);
/* Configure SYS_FS clock to 44.1kHz, MCLK_FREQ to 256*Fs, SYSCLK derived from MCLK input */
WM8960_WriteReg(handle, WM8960_CLOCK1, 0x00);
/*
* Audio data length = 32bit, Left justified data format
*/
WM8960_WriteReg(handle, WM8960_IFACE1, 0x0D);
/*
* LMICBOOST = 0dB, Connect left and right PGA to left and right Input Boost Mixer
*/
WM8960_WriteReg(handle, WM8960_LINPATH, 0x18);
WM8960_WriteReg(handle, WM8960_RINPATH, 0x18);
/*
* Left and right input boost, LIN3BOOST and RIN3BOOST = 0dB
*/
WM8960_WriteReg(handle, WM8960_INBMIX1, 0x70);
WM8960_WriteReg(handle, WM8960_INBMIX2, 0x70);
/*
* Left DAC and LINPUT3 to left output mixer, LINPUT3 left output mixer volume = 0dB
*/
WM8960_WriteReg(handle, WM8960_LOUTMIX, 0x100);
/*
* Right DAC and RINPUT3 to right output mixer, RINPUT3 right output mixer volume = 0dB
*/
WM8960_WriteReg(handle, WM8960_ROUTMIX, 0x100);
WM8960_WriteReg(handle, WM8960_BYPASS1, 0x0);
WM8960_WriteReg(handle, WM8960_BYPASS2, 0x0);
WM8960_WriteReg(handle, WM8960_MONOMIX1, 0x00);
WM8960_WriteReg(handle, WM8960_MONOMIX2, 0x00);
}
else
{
WM8960_SetDataRoute(handle, config->route);
WM8960_SetProtocol(handle, config->bus);
WM8960_SetMasterSlave(handle, config->master_slave);
}
WM8960_WriteReg(handle, WM8960_ADDCTL1, 0x0C4);
WM8960_WriteReg(handle, WM8960_ADDCTL4, 0x40);
/*
* ADC volume, 0dB
*/
WM8960_WriteReg(handle, WM8960_LADC, 0x1F3);
WM8960_WriteReg(handle, WM8960_RADC, 0x1F3);
/*
* Digital DAC volume, 0dB
*/
WM8960_WriteReg(handle, WM8960_LDAC, 0x1E0);
WM8960_WriteReg(handle, WM8960_RDAC, 0x1E0);
/*
* Headphone volume, LOUT1 and ROUT1, 0dB
*/
WM8960_WriteReg(handle, WM8960_LOUT1, 0x16F);
WM8960_WriteReg(handle, WM8960_ROUT1, 0x16F);
/* Delay for some while */
while (i)
{
__ASM("nop");
i--;
}
/* Unmute DAC. */
WM8960_WriteReg(handle, WM8960_DACCTL1, 0x0000);
}
void WM8960_Deinit(wm8960_handle_t *handle)
{
WM8960_SetModule(handle, kWM8960_ModuleADC, false);
WM8960_SetModule(handle, kWM8960_ModuleDAC, false);
WM8960_SetModule(handle, kWM8960_ModuleVREF, false);
WM8960_SetModule(handle, kWM8960_ModuleLineIn, false);
WM8960_SetModule(handle, kWM8960_ModuleLineOut, false);
WM8960_SetModule(handle, kWM8960_ModuleSpeaker, false);
}
void WM8960_SetMasterSlave(wm8960_handle_t *handle, bool master)
{
if (master == 1)
{
WM8960_ModifyReg(handle, WM8960_IFACE1, WM8960_IFACE1_MS_MASK, WM8960_IFACE1_MS(WM8960_IFACE1_MASTER));
}
else
{
WM8960_ModifyReg(handle, WM8960_IFACE1, WM8960_IFACE1_MS_MASK, WM8960_IFACE1_MS(WM8960_IFACE1_SLAVE));
}
}
status_t WM8960_SetModule(wm8960_handle_t *handle, wm8960_module_t module, bool isEnabled)
{
status_t ret = kStatus_Success;
switch (module)
{
case kWM8960_ModuleADC:
WM8960_ModifyReg(handle, WM8960_POWER1, WM8960_POWER1_ADCL_MASK,
((uint16_t)isEnabled << WM8960_POWER1_ADCL_SHIFT));
WM8960_ModifyReg(handle, WM8960_POWER1, WM8960_POWER1_ADCR_MASK,
((uint16_t)isEnabled << WM8960_POWER1_ADCR_SHIFT));
break;
case kWM8960_ModuleDAC:
WM8960_ModifyReg(handle, WM8960_POWER2, WM8960_POWER2_DACL_MASK,
((uint16_t)isEnabled << WM8960_POWER2_DACL_SHIFT));
WM8960_ModifyReg(handle, WM8960_POWER2, WM8960_POWER2_DACR_MASK,
((uint16_t)isEnabled << WM8960_POWER2_DACR_SHIFT));
break;
case kWM8960_ModuleVREF:
WM8960_ModifyReg(handle, WM8960_POWER1, WM8960_POWER1_VREF_MASK,
((uint16_t)isEnabled << WM8960_POWER1_VREF_SHIFT));
break;
case kWM8960_ModuleLineIn:
WM8960_ModifyReg(handle, WM8960_POWER1, WM8960_POWER1_AINL_MASK,
((uint16_t)isEnabled << WM8960_POWER1_AINL_SHIFT));
WM8960_ModifyReg(handle, WM8960_POWER1, WM8960_POWER1_AINR_MASK,
((uint16_t)isEnabled << WM8960_POWER1_AINR_SHIFT));
break;
case kWM8960_ModuleLineOut:
WM8960_ModifyReg(handle, WM8960_POWER2, WM8960_POWER2_LOUT1_MASK,
((uint16_t)isEnabled << WM8960_POWER2_LOUT1_SHIFT));
WM8960_ModifyReg(handle, WM8960_POWER2, WM8960_POWER2_ROUT1_MASK,
((uint16_t)isEnabled << WM8960_POWER2_ROUT1_SHIFT));
break;
case kWM8960_ModuleSpeaker:
WM8960_ModifyReg(handle, WM8960_POWER2, WM8960_POWER2_SPKL_MASK,
((uint16_t)isEnabled << WM8960_POWER2_SPKL_SHIFT));
WM8960_ModifyReg(handle, WM8960_POWER2, WM8960_POWER2_SPKR_MASK,
((uint16_t)isEnabled << WM8960_POWER2_SPKR_SHIFT));
WM8960_WriteReg(handle, WM8960_CLASSD1, 0xF7);
break;
default:
ret = kStatus_InvalidArgument;
break;
}
return ret;
}
status_t WM8960_SetDataRoute(wm8960_handle_t *handle, wm8960_route_t route)
{
status_t ret = kStatus_Success;
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_WriteReg(handle, WM8960_LOUTMIX, 0x80);
/*
* Right RINPUT3 to right output mixer, RINPUT3 right output mixer volume = 0dB
*/
WM8960_WriteReg(handle, 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_WriteReg(handle, WM8960_LOUTMIX, 0x100);
/*
* Right DAC to right output mixer, RINPUT3 right output mixer volume = 0dB
*/
WM8960_WriteReg(handle, WM8960_ROUTMIX, 0x100);
break;
case kWM8960_RoutePlaybackandRecord:
/* I2S IN->DAC->HP LINE_IN->ADC->I2S_OUT */
/*
* Left and right input boost, LIN3BOOST and RIN3BOOST = 0dB
*/
WM8960_WriteReg(handle, WM8960_INBMIX1, 0x50);
WM8960_WriteReg(handle, WM8960_INBMIX2, 0x50);
/*
* Left DAC to left output mixer, LINPUT3 left output mixer volume = 0dB
*/
WM8960_WriteReg(handle, WM8960_LOUTMIX, 0x100);
/*
* Right DAC to right output mixer, RINPUT3 right output mixer volume = 0dB
*/
WM8960_WriteReg(handle, WM8960_ROUTMIX, 0x100);
break;
case kWM8960_RoutePlaybackwithDAP:
/* I2S_IN->DAP->DAC->HP */
break;
case kWM8960_RoutePlaybackwithDAPandRecord:
/* I2S_IN->DAP->DAC->HP, LINE_IN->ADC->I2S_OUT */
break;
case kWM8960_RouteRecord:
/* LINE_IN->ADC->I2S_OUT */
/*
* Left and right input boost, LIN3BOOST and RIN3BOOST = 0dB
*/
WM8960_WriteReg(handle, WM8960_INBMIX1, 0x50);
WM8960_WriteReg(handle, WM8960_INBMIX2, 0x50);
break;
default:
ret = kStatus_InvalidArgument;
break;
}
return ret;
}
status_t WM8960_SetProtocol(wm8960_handle_t *handle, wm8960_protocol_t protocol)
{
status_t ret = kStatus_Success;
switch (protocol)
{
case kWM8960_BusI2S:
WM8960_ModifyReg(handle, WM8960_IFACE1, WM8960_IFACE1_FORMAT_MASK,
WM8960_IFACE1_FORMAT(WM8960_IFACE1_FORMAT_I2S));
break;
case kWM8960_BusLeftJustified:
WM8960_ModifyReg(handle, WM8960_IFACE1, WM8960_IFACE1_FORMAT_MASK,
WM8960_IFACE1_FORMAT(WM8960_IFACE1_FORMAT_LJ));
break;
case kWM8960_BusRightJustified:
WM8960_ModifyReg(handle, WM8960_IFACE1, WM8960_IFACE1_FORMAT_MASK,
WM8960_IFACE1_FORMAT(WM8960_IFACE1_FORMAT_RJ));
break;
case kWM8960_BusPCMA:
WM8960_ModifyReg(handle, WM8960_IFACE1, WM8960_IFACE1_FORMAT_MASK,
WM8960_IFACE1_FORMAT(WM8960_IFACE1_FORMAT_DSP));
WM8960_ModifyReg(handle, WM8960_IFACE1, WM8960_IFACE1_LRP_MASK, WM8960_IFACE1_LRP(WM8960_IFACE1_DSP_MODEA));
break;
case kWM8960_BusPCMB:
WM8960_ModifyReg(handle, WM8960_IFACE1, WM8960_IFACE1_FORMAT_MASK,
WM8960_IFACE1_FORMAT(WM8960_IFACE1_FORMAT_DSP));
WM8960_ModifyReg(handle, WM8960_IFACE1, WM8960_IFACE1_LRP_MASK, WM8960_IFACE1_LRP(WM8960_IFACE1_DSP_MODEB));
break;
default:
ret = kStatus_InvalidArgument;
break;
}
WM8960_ModifyReg(handle, WM8960_IFACE1, WM8960_IFACE1_WL_MASK, WM8960_IFACE1_WL(WM8960_IFACE1_WL_32BITS));
return ret;
}
status_t WM8960_SetVolume(wm8960_handle_t *handle, wm8960_module_t module, uint32_t volume)
{
uint16_t vol = 0;
status_t ret = kStatus_Success;
switch (module)
{
case kWM8960_ModuleADC:
vol = 0x100 | volume;
ret = WM8960_WriteReg(handle, WM8960_LADC, vol);
ret = WM8960_WriteReg(handle, WM8960_RADC, vol);
break;
case kWM8960_ModuleDAC:
vol = 0x100 | volume;
ret = WM8960_WriteReg(handle, WM8960_LDAC, vol);
ret = WM8960_WriteReg(handle, WM8960_RDAC, vol);
break;
case kWM8960_ModuleHP:
vol = 0x100 | volume;
ret = WM8960_WriteReg(handle, WM8960_LOUT1, vol);
ret = WM8960_WriteReg(handle, WM8960_ROUT1, vol);
break;
case kWM8960_ModuleLineIn:
vol = 0x100 | volume;
ret = WM8960_WriteReg(handle, WM8960_LINVOL, vol);
ret = WM8960_WriteReg(handle, WM8960_RINVOL, vol);
break;
case kWM8960_ModuleSpeaker:
vol = 0x100 | volume;
ret = WM8960_WriteReg(handle, WM8960_LOUT2, vol);
ret = WM8960_WriteReg(handle, WM8960_ROUT2, vol);
break;
default:
ret = kStatus_InvalidArgument;
break;
}
return ret;
}
uint32_t WM8960_GetVolume(wm8960_handle_t *handle, wm8960_module_t module)
{
uint16_t vol = 0;
switch (module)
{
case kWM8960_ModuleADC:
WM8960_ReadReg(WM8960_LADC, &vol);
vol &= 0xFF;
break;
case kWM8960_ModuleDAC:
WM8960_ReadReg(WM8960_LDAC, &vol);
vol &= 0xFF;
break;
case kWM8960_ModuleHP:
WM8960_ReadReg(WM8960_LOUT1, &vol);
vol &= 0x7F;
break;
case kWM8960_ModuleLineOut:
WM8960_ReadReg(WM8960_LINVOL, &vol);
vol &= 0x3F;
break;
default:
vol = 0;
break;
}
return vol;
}
status_t WM8960_SetMute(wm8960_handle_t *handle, wm8960_module_t module, bool isEnabled)
{
status_t ret = kStatus_Success;
switch (module)
{
case kWM8960_ModuleADC:
/*
* Digital Mute
*/
if (isEnabled)
{
ret = WM8960_WriteReg(handle, WM8960_LADC, 0x100);
ret = WM8960_WriteReg(handle, WM8960_RADC, 0x100);
}
else
{
ret = WM8960_WriteReg(handle, WM8960_LADC, 0x1C3);
ret = WM8960_WriteReg(handle, WM8960_RADC, 0x1C3);
}
break;
case kWM8960_ModuleDAC:
/*
* Digital mute
*/
if (isEnabled)
{
ret = WM8960_WriteReg(handle, WM8960_LDAC, 0x100);
ret = WM8960_WriteReg(handle, WM8960_RDAC, 0x100);
}
else
{
ret = WM8960_WriteReg(handle, WM8960_LDAC, 0x1FF);
ret = WM8960_WriteReg(handle, WM8960_RDAC, 0x1FF);
}
break;
case kWM8960_ModuleHP:
/*
* Analog mute
*/
if (isEnabled)
{
ret = WM8960_WriteReg(handle, WM8960_LOUT1, 0x100);
ret = WM8960_WriteReg(handle, WM8960_ROUT1, 0x100);
}
else
{
ret = WM8960_WriteReg(handle, WM8960_LOUT1, 0x179);
ret = WM8960_WriteReg(handle, WM8960_ROUT1, 0x179);
}
break;
case kWM8960_ModuleLineOut:
break;
default:
ret = kStatus_InvalidArgument;
break;
}
return ret;
}
status_t WM8960_ConfigDataFormat(wm8960_handle_t *handle, uint32_t mclk, uint32_t sample_rate, uint8_t bits)
{
status_t retval = kStatus_Success;
switch (sample_rate)
{
case 8000:
retval = WM8960_WriteReg(handle, WM8960_CLOCK1, 0x1B0);
break;
case 11025:
retval = WM8960_WriteReg(handle, WM8960_CLOCK1, 0xD8);
break;
case 12000:
retval = WM8960_WriteReg(handle, WM8960_CLOCK1, 0x120);
break;
case 16000:
retval = WM8960_WriteReg(handle, WM8960_CLOCK1, 0xD8);
break;
case 22050:
retval = WM8960_WriteReg(handle, WM8960_CLOCK1, 0xD8);
break;
case 24000:
retval = WM8960_WriteReg(handle, WM8960_CLOCK1, 0x90);
break;
case 32000:
retval = WM8960_WriteReg(handle, WM8960_CLOCK1, 0x48);
break;
case 44100:
retval = WM8960_WriteReg(handle, WM8960_CLOCK1, 0xD8);
break;
case 48000:
retval = WM8960_WriteReg(handle, WM8960_CLOCK1, 0x00);
break;
default:
retval = kStatus_InvalidArgument;
break;
}
/*
* Slave mode (MS = 0), LRP = 0, 32bit WL, left justified (FORMAT[1:0]=0b01)
*/
switch (bits)
{
case 16:
retval = WM8960_ModifyReg(handle, WM8960_IFACE1, WM8960_IFACE1_WL_MASK,
WM8960_IFACE1_WL(WM8960_IFACE1_WL_16BITS));
break;
case 20:
retval = WM8960_ModifyReg(handle, WM8960_IFACE1, WM8960_IFACE1_WL_MASK,
WM8960_IFACE1_WL(WM8960_IFACE1_WL_20BITS));
break;
case 24:
retval = WM8960_ModifyReg(handle, WM8960_IFACE1, WM8960_IFACE1_WL_MASK,
WM8960_IFACE1_WL(WM8960_IFACE1_WL_24BITS));
break;
case 32:
retval = WM8960_ModifyReg(handle, WM8960_IFACE1, WM8960_IFACE1_WL_MASK,
WM8960_IFACE1_WL(WM8960_IFACE1_WL_32BITS));
break;
default:
retval = kStatus_InvalidArgument;
break;
}
return retval;
}
status_t WM8960_SetJackDetect(wm8960_handle_t *handle, bool isEnabled)
{
uint8_t retval = 0;
uint16_t val = 0;
WM8960_ReadReg(WM8960_ADDCTL2, &val);
if (isEnabled)
{
val |= 0x40U;
}
else
{
val &= 0xCF;
}
retval = WM8960_WriteReg(handle, WM8960_ADDCTL2, val);
return retval;
}
status_t WM8960_WriteReg(wm8960_handle_t *handle, uint8_t reg, uint16_t val)
{
uint8_t cmd, buff;
uint8_t retval = 0;
/* The register address */
cmd = (reg << 1) | ((val >> 8U) & 0x0001U);
/* Data */
buff = val & 0xFF;
/* Copy data to cache */
reg_cache[reg] = val;
#if defined(FSL_FEATURE_SOC_LPI2C_COUNT) && (FSL_FEATURE_SOC_LPI2C_COUNT)
uint8_t data[2];
data[0] = cmd;
data[1] = buff;
retval = LPI2C_MasterStart(handle->base, WM8960_I2C_ADDR, kLPI2C_Write);
retval = LPI2C_MasterSend(handle->base, data, 2);
retval = LPI2C_MasterStop(handle->base);
#else
/* Config the I2C xfer */
handle->xfer.direction = kI2C_Write;
handle->xfer.subaddress = cmd;
handle->xfer.subaddressSize = 1U;
handle->xfer.data = &buff;
handle->xfer.dataSize = 1U;
retval = I2C_MasterTransferBlocking(handle->base, &handle->xfer);
#endif
if (retval != kStatus_Success)
{
return kStatus_Fail;
}
return kStatus_Success;
}
status_t WM8960_ReadReg(uint8_t reg, uint16_t *val)
{
if (reg >= WM8960_CACHEREGNUM)
{
return kStatus_InvalidArgument;
}
*val = reg_cache[reg];
return kStatus_Success;
}
status_t WM8960_ModifyReg(wm8960_handle_t *handle, uint8_t reg, uint16_t mask, uint16_t val)
{
uint8_t retval = 0;
uint16_t reg_val = 0;
retval = WM8960_ReadReg(reg, &reg_val);
if (retval != kStatus_Success)
{
return kStatus_Fail;
}
reg_val &= (uint16_t)~mask;
reg_val |= val;
retval = WM8960_WriteReg(handle, reg, reg_val);
if (retval != kStatus_Success)
{
return kStatus_Fail;
}
return kStatus_Success;
}