rt-thread/bsp/imxrt/libraries/drivers/bsp_wm8960.h

/*
 * Copyright (c) 2006-2022, 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
 */

#ifndef __DRV_WM8960_H__
#define __DRV_WM8960_H__

#include <rtthread.h>
#include <rtdevice.h>

#include "fsl_common.h"
/*!
 * @addtogroup wm8960
 * @{
 */

/*******************************************************************************
 * Definitions
 ******************************************************************************/
/*! @name Driver version */
/*@{*/
/*! @brief CLOCK driver version 2.1.0 */
#define FSL_WM8960_DRIVER_VERSION (MAKE_VERSION(2, 1, 0))
/*@}*/

/*! @brief wm8960 handle size */
#ifndef WM8960_HANDLE_SIZE
#define WM8960_HANDLE_SIZE (100U)
#endif

/*! @brief Define the register address of WM8960. */
#define WM8960_LINVOL 0x0
#define WM8960_RINVOL 0x1
#define WM8960_LOUT1 0x2
#define WM8960_ROUT1 0x3
#define WM8960_CLOCK1 0x4
#define WM8960_DACCTL1 0x5
#define WM8960_DACCTL2 0x6
#define WM8960_IFACE1 0x7
#define WM8960_CLOCK2 0x8
#define WM8960_IFACE2 0x9
#define WM8960_LDAC 0xa
#define WM8960_RDAC 0xb

#define WM8960_RESET 0xf
#define WM8960_3D 0x10
#define WM8960_ALC1 0x11
#define WM8960_ALC2 0x12
#define WM8960_ALC3 0x13
#define WM8960_NOISEG 0x14
#define WM8960_LADC 0x15
#define WM8960_RADC 0x16
#define WM8960_ADDCTL1 0x17
#define WM8960_ADDCTL2 0x18
#define WM8960_POWER1 0x19
#define WM8960_POWER2 0x1a
#define WM8960_ADDCTL3 0x1b
#define WM8960_APOP1 0x1c
#define WM8960_APOP2 0x1d

#define WM8960_LINPATH 0x20
#define WM8960_RINPATH 0x21
#define WM8960_LOUTMIX 0x22

#define WM8960_ROUTMIX 0x25
#define WM8960_MONOMIX1 0x26
#define WM8960_MONOMIX2 0x27
#define WM8960_LOUT2 0x28
#define WM8960_ROUT2 0x29
#define WM8960_MONO 0x2a
#define WM8960_INBMIX1 0x2b
#define WM8960_INBMIX2 0x2c
#define WM8960_BYPASS1 0x2d
#define WM8960_BYPASS2 0x2e
#define WM8960_POWER3 0x2f
#define WM8960_ADDCTL4 0x30
#define WM8960_CLASSD1 0x31

#define WM8960_CLASSD3 0x33
#define WM8960_PLL1 0x34
#define WM8960_PLL2 0x35
#define WM8960_PLL3 0x36
#define WM8960_PLL4 0x37

/*! @brief Cache register number */
#define WM8960_CACHEREGNUM 56

/*! @brief WM8960_IFACE1 FORMAT bits */
#define WM8960_IFACE1_FORMAT_MASK 0x03
#define WM8960_IFACE1_FORMAT_SHIFT 0x00
#define WM8960_IFACE1_FORMAT_RJ 0x00
#define WM8960_IFACE1_FORMAT_LJ 0x01
#define WM8960_IFACE1_FORMAT_I2S 0x02
#define WM8960_IFACE1_FORMAT_DSP 0x03
#define WM8960_IFACE1_FORMAT(x) ((x << WM8960_IFACE1_FORMAT_SHIFT) & WM8960_IFACE1_FORMAT_MASK)

/*! @brief WM8960_IFACE1 WL bits */
#define WM8960_IFACE1_WL_MASK 0x0C
#define WM8960_IFACE1_WL_SHIFT 0x02
#define WM8960_IFACE1_WL_16BITS 0x00
#define WM8960_IFACE1_WL_20BITS 0x01
#define WM8960_IFACE1_WL_24BITS 0x02
#define WM8960_IFACE1_WL_32BITS 0x03
#define WM8960_IFACE1_WL(x) ((x << WM8960_IFACE1_WL_SHIFT) & WM8960_IFACE1_WL_MASK)

/*! @brief WM8960_IFACE1 LRP bit */
#define WM8960_IFACE1_LRP_MASK 0x10
#define WM8960_IFACE1_LRP_SHIFT 0x04
#define WM8960_IFACE1_LRCLK_NORMAL_POL 0x00
#define WM8960_IFACE1_LRCLK_INVERT_POL 0x01
#define WM8960_IFACE1_DSP_MODEA 0x00
#define WM8960_IFACE1_DSP_MODEB 0x01
#define WM8960_IFACE1_LRP(x) ((x << WM8960_IFACE1_LRP_SHIFT) & WM8960_IFACE1_LRP_MASK)

/*! @brief WM8960_IFACE1 DLRSWAP bit */
#define WM8960_IFACE1_DLRSWAP_MASK 0x20
#define WM8960_IFACE1_DLRSWAP_SHIFT 0x05
#define WM8960_IFACE1_DACCH_NORMAL 0x00
#define WM8960_IFACE1_DACCH_SWAP 0x01
#define WM8960_IFACE1_DLRSWAP(x) ((x << WM8960_IFACE1_DLRSWAP_SHIFT) & WM8960_IFACE1_DLRSWAP_MASK)

/*! @brief WM8960_IFACE1 MS bit */
#define WM8960_IFACE1_MS_MASK 0x40
#define WM8960_IFACE1_MS_SHIFT 0x06
#define WM8960_IFACE1_SLAVE 0x00
#define WM8960_IFACE1_MASTER 0x01
#define WM8960_IFACE1_MS(x) ((x << WM8960_IFACE1_MS_SHIFT) & WM8960_IFACE1_MS_MASK)

/*! @brief WM8960_IFACE1 BCLKINV bit */
#define WM8960_IFACE1_BCLKINV_MASK 0x80
#define WM8960_IFACE1_BCLKINV_SHIFT 0x07
#define WM8960_IFACE1_BCLK_NONINVERT 0x00
#define WM8960_IFACE1_BCLK_INVERT 0x01
#define WM8960_IFACE1_BCLKINV(x) ((x << WM8960_IFACE1_BCLKINV_SHIFT) & WM8960_IFACE1_BCLKINV_MASK)

/*! @brief WM8960_IFACE1 ALRSWAP bit */
#define WM8960_IFACE1_ALRSWAP_MASK 0x100
#define WM8960_IFACE1_ALRSWAP_SHIFT 0x08
#define WM8960_IFACE1_ADCCH_NORMAL 0x00
#define WM8960_IFACE1_ADCCH_SWAP 0x01
#define WM8960_IFACE1_ALRSWAP(x) ((x << WM8960_IFACE1_ALRSWAP_SHIFT) & WM8960_IFACE1_ALRSWAP_MASK)

/*! @brief WM8960_POWER1 */
#define WM8960_POWER1_VREF_MASK 0x40
#define WM8960_POWER1_VREF_SHIFT 0x06

#define WM8960_POWER1_AINL_MASK 0x20
#define WM8960_POWER1_AINL_SHIFT 0x05

#define WM8960_POWER1_AINR_MASK 0x10
#define WM8960_POWER1_AINR_SHIFT 0x04

#define WM8960_POWER1_ADCL_MASK 0x08
#define WM8960_POWER1_ADCL_SHIFT 0x03

#define WM8960_POWER1_ADCR_MASK 0x0
#define WM8960_POWER1_ADCR_SHIFT 0x02

#define WM8960_POWER1_MICB_MASK 0x02
#define WM8960_POWER1_MICB_SHIFT 0x01

#define WM8960_POWER1_DIGENB_MASK 0x01
#define WM8960_POWER1_DIGENB_SHIFT 0x00

/*! @brief WM8960_POWER2 */
#define WM8960_POWER2_DACL_MASK 0x100
#define WM8960_POWER2_DACL_SHIFT 0x08

#define WM8960_POWER2_DACR_MASK 0x80
#define WM8960_POWER2_DACR_SHIFT 0x07

#define WM8960_POWER2_LOUT1_MASK 0x40
#define WM8960_POWER2_LOUT1_SHIFT 0x06

#define WM8960_POWER2_ROUT1_MASK 0x20
#define WM8960_POWER2_ROUT1_SHIFT 0x05

#define WM8960_POWER2_SPKL_MASK 0x10
#define WM8960_POWER2_SPKL_SHIFT 0x04

#define WM8960_POWER2_SPKR_MASK 0x08
#define WM8960_POWER2_SPKR_SHIFT 0x03

#define WM8960_POWER3_LMIC_MASK 0x20
#define WM8960_POWER3_LMIC_SHIFT 0x05
#define WM8960_POWER3_RMIC_MASK 0x10
#define WM8960_POWER3_RMIC_SHIFT 0x04
#define WM8960_POWER3_LOMIX_MASK 0x08
#define WM8960_POWER3_LOMIX_SHIFT 0x03
#define WM8960_POWER3_ROMIX_MASK 0x04
#define WM8960_POWER3_ROMIX_SHIFT 0x02
/*! @brief WM8960 I2C address. */
#define WM8960_I2C_ADDR 0x1A
/*! @brief WM8960 I2C baudrate */
#define WM8960_I2C_BAUDRATE (100000U)

/*! @brief Modules in WM8960 board. */
typedef enum _wm8960_module
{
    kWM8960_ModuleADC     = 0, /*!< ADC module in WM8960 */
    kWM8960_ModuleDAC     = 1, /*!< DAC module in WM8960 */
    kWM8960_ModuleVREF    = 2, /*!< VREF module */
    kWM8960_ModuleHP      = 3, /*!< Headphone */
    kWM8960_ModuleMICB    = 4, /*!< Mic bias */
    kWM8960_ModuleMIC     = 5, /*!< Input Mic */
    kWM8960_ModuleLineIn  = 6, /*!< Analog in PGA  */
    kWM8960_ModuleLineOut = 7, /*!< Line out module */
    kWM8960_ModuleSpeaker = 8, /*!< Speaker module */
    kWM8960_ModuleOMIX    = 9, /*!< Output mixer */
} wm8960_module_t;

/*! @brief wm8960 play channel */
enum _wm8960_play_channel
{
    kWM8960_HeadphoneLeft  = 1, /*!< wm8960 headphone left channel */
    kWM8960_HeadphoneRight = 2, /*!< wm8960 headphone right channel */
    kWM8960_SpeakerLeft    = 4, /*!< wm8960 speaker left channel */
    kWM8960_SpeakerRight   = 8, /*!< wm8960 speaker right channel */
};

/*! @brief wm8960 play source */
typedef enum _wm8960_play_source
{
    kWM8960_PlaySourcePGA   = 1, /*!< wm8960 play source PGA */
    kWM8960_PlaySourceInput = 2, /*!< wm8960 play source Input */
    kWM8960_PlaySourceDAC   = 4, /*!< wm8960 play source DAC */
} wm8960_play_source_t;

/*!
 * @brief WM8960 data route.
 * Only provide some typical data route, not all route listed.
 * Note: Users cannot combine any routes, once a new route is set, the previous one would be replaced.
 */
typedef enum _wm8960_route
{
    kWM8960_RouteBypass            = 0, /*!< LINEIN->Headphone. */
    kWM8960_RoutePlayback          = 1, /*!<  I2SIN->DAC->Headphone. */
    kWM8960_RoutePlaybackandRecord = 2, /*!< I2SIN->DAC->Headphone, LINEIN->ADC->I2SOUT. */
    kWM8960_RouteRecord            = 5  /*!< LINEIN->ADC->I2SOUT. */
} wm8960_route_t;

/*!
 * @brief The audio data transfer protocol choice.
 * WM8960 only supports I2S format and PCM format.
 */
typedef enum _wm8960_protocol
{
    kWM8960_BusI2S            = 2,           /*!< I2S type */
    kWM8960_BusLeftJustified  = 1,           /*!< Left justified mode */
    kWM8960_BusRightJustified = 0,           /*!< Right justified mode */
    kWM8960_BusPCMA           = 3,           /*!< PCM A mode */
    kWM8960_BusPCMB           = 3 | (1 << 4) /*!< PCM B mode */
} wm8960_protocol_t;

/*! @brief wm8960 input source */
typedef enum _wm8960_input
{
    kWM8960_InputClosed                = 0, /*!< Input device is closed */
    kWM8960_InputSingleEndedMic        = 1, /*!< Input as single ended mic, only use L/RINPUT1 */
    kWM8960_InputDifferentialMicInput2 = 2, /*!< Input as differential mic, use L/RINPUT1 and L/RINPUT2 */
    kWM8960_InputDifferentialMicInput3 = 3, /*!< Input as differential mic, use L/RINPUT1 and L/RINPUT3*/
    kWM8960_InputLineINPUT2            = 4, /*!< Input as line input, only use L/RINPUT2 */
    kWM8960_InputLineINPUT3            = 5  /*!< Input as line input, only use L/RINPUT3 */
} wm8960_input_t;

/*! @brief audio sample rate definition */
enum _wm8960_sample_rate
{
    kWM8960_AudioSampleRate8KHz    = 8000U,   /*!< Sample rate 8000 Hz */
    kWM8960_AudioSampleRate11025Hz = 11025U,  /*!< Sample rate 11025 Hz */
    kWM8960_AudioSampleRate12KHz   = 12000U,  /*!< Sample rate 12000 Hz */
    kWM8960_AudioSampleRate16KHz   = 16000U,  /*!< Sample rate 16000 Hz */
    kWM8960_AudioSampleRate22050Hz = 22050U,  /*!< Sample rate 22050 Hz */
    kWM8960_AudioSampleRate24KHz   = 24000U,  /*!< Sample rate 24000 Hz */
    kWM8960_AudioSampleRate32KHz   = 32000U,  /*!< Sample rate 32000 Hz */
    kWM8960_AudioSampleRate44100Hz = 44100U,  /*!< Sample rate 44100 Hz */
    kWM8960_AudioSampleRate48KHz   = 48000U,  /*!< Sample rate 48000 Hz */
    kWM8960_AudioSampleRate96KHz   = 96000U,  /*!< Sample rate 96000 Hz */
    kWM8960_AudioSampleRate192KHz  = 192000U, /*!< Sample rate 192000 Hz */
    kWM8960_AudioSampleRate384KHz  = 384000U, /*!< Sample rate 384000 Hz */
};

/*! @brief audio bit width */
enum _wm8960_audio_bit_width
{
    kWM8960_AudioBitWidth16bit = 16U, /*!< audio bit width 16 */
    kWM8960_AudioBitWidth20bit = 20U, /*!< audio bit width 20 */
    kWM8960_AudioBitWidth24bit = 24U, /*!< audio bit width 24 */
    kWM8960_AudioBitWidth32bit = 32U, /*!< audio bit width 32 */
};

/*! @brief wm8960 audio format */
typedef struct _wm8960_audio_format
{
    uint32_t mclk_HZ;    /*!< master clock frequency */
    uint32_t sampleRate; /*!< sample rate */
    uint32_t bitWidth;   /*!< bit width */
} wm8960_audio_format_t;

/*! @brief Initialize structure of WM8960 */
typedef struct wm8960_config
{
    wm8960_route_t route;            /*!< Audio data route.*/
    wm8960_protocol_t bus;           /*!< Audio transfer protocol */
    wm8960_audio_format_t format;    /*!< Audio format */
    rt_bool_t master_slave;               /*!< Master or slave. */
    rt_bool_t enableSpeaker;              /*!< True means enable class D speaker as output, false means no */
    wm8960_input_t leftInputSource;  /*!< Left input source for WM8960 */
    wm8960_input_t rightInputSource; /*!< Right input source for wm8960 */
    wm8960_play_source_t playSource; /*!< play source */
    uint8_t slaveAddress;            /*!< wm8960 device address */
    //codec_i2c_config_t i2cConfig;    /*!< i2c configuration */
} wm8960_config_t;

/*! @brief wm8960 codec handler
 * Applicationi should allocate a buffer with WM8960_HANDLE_SIZE for handle definition, such as
 * uint8_t wm8960HandleBuffer[WM8960_HANDLE_SIZE];
 * wm8904_handle_t *wm8904Handle = wm8960HandleBuffer;
 */
typedef struct _wm8960_handle
{
    const wm8960_config_t *config; /*!< wm8904 config pointer */
    void *i2cHandle;               /*!< i2c handle */
} wm8960_handle_t;
/*******************************************************************************
 * API
 ******************************************************************************/
#if defined(__cplusplus)
extern "C" {
#endif

/*!
 * @brief WM8960 initialize function.
 *
 * The second parameter is NULL to WM8960 in this version. If users want
 * to change the settings, they have to use wm8960_write_reg() or wm8960_modify_reg()
 * to set the register value of WM8960.
 * Note: If the codec_config is NULL, it would initialize WM8960 using default settings.
 * The default setting:
 * codec_config->route = kWM8960_RoutePlaybackandRecord
 * codec_config->bus = kWM8960_BusI2S
 * codec_config->master = slave
 *
 * @param handle WM8960 handle structure.
 * @param wm8960Config WM8960 configuration structure.
 */
void WM8960_init(struct rt_i2c_bus_device *dev, wm8960_config_t *wm8960Config);

/*!
 * @brief Deinit the WM8960 codec.
 *
 * This function close all modules in WM8960 to save power.
 *
 * @param handle WM8960 handle structure pointer.
 */
void WM8960_Deinit(struct rt_i2c_bus_device *dev);

/*!
 * @brief Set audio data route in WM8960.
 *
 * This function would set the data route according to route. The route cannot be combined,
 * as all route would enable different modules.
 * Note: If a new route is set, the previous route would not work.
 *
 * @param handle WM8960 handle structure.
 * @param route Audio data route in WM8960.
 */
void WM8960_SetDataRoute(struct rt_i2c_bus_device *dev, wm8960_route_t route);

/*!
 * @brief Set left audio input source in WM8960.
 *
 * @param handle WM8960 handle structure.
 * @param input Audio input source.
 */
void WM8960_SetLeftInput(struct rt_i2c_bus_device *dev, wm8960_input_t input);

/*!
 * @brief Set right audio input source in WM8960.
 *
 * @param handle WM8960 handle structure.
 * @param input Audio input source.
 */
void WM8960_SetRightInput(struct rt_i2c_bus_device *dev, wm8960_input_t input);

/*!
 * @brief Set the audio transfer protocol.
 *
 * WM8960 only supports I2S, left justified, right justified, PCM A, PCM B format.
 *
 * @param handle WM8960 handle structure.
 * @param bus Audio data transfer protocol.
 */
void WM8960_SetProtocol(struct rt_i2c_bus_device *dev, wm8960_protocol_t protocol);

/*!
 * @brief Set WM8960 as master or slave.
 *
 * @param handle WM8960 handle structure.
 * @param master 1 represent master, 0 represent slave.
 */
void WM8960_SetMasterSlave(struct rt_i2c_bus_device *dev, rt_bool_t master);

/*!
 * @brief Set the volume of different modules in WM8960.
 *
 * This function would set the volume of WM8960 modules. Uses need to appoint the module.
 * The function assume that left channel and right channel has the same volume.
 *
 * @param handle WM8960 handle structure.
 * @param module Module to set volume, it can be ADC, DAC, Headphone and so on.
 * @param volume Volume value need to be set.
 */
void WM8960_SetVolume(struct rt_i2c_bus_device *dev, wm8960_module_t module, rt_uint32_t volume);

/*!
 * @brief Get the volume of different modules in WM8960.
 *
 * This function gets the volume of WM8960 modules. Uses need to appoint the module.
 * The function assume that left channel and right channel has the same volume.
 *
 * @param handle WM8960 handle structure.
 * @param module Module to set volume, it can be ADC, DAC, Headphone and so on.
 * @return Volume value of the module.
 */
rt_uint32_t WM8960_GetVolume(struct rt_i2c_bus_device *dev, wm8960_module_t module);

/*!
 * @brief Mute modules in WM8960.
 *
 * @param handle WM8960 handle structure.
 * @param module Modules need to be mute.
 * @param isEnabled Mute or unmute, 1 represent mute.
 */
void WM8960_SetMute(struct rt_i2c_bus_device *dev, wm8960_module_t module, rt_bool_t isEnabled);

/*!
 * @brief Enable/disable expected devices.
 *
 * @param handle WM8960 handle structure.
 * @param module Module expected to enable.
 * @param isEnabled Enable or disable moudles.
 */
void WM8960_SetModule(struct rt_i2c_bus_device *dev, wm8960_module_t module, rt_bool_t isEnabled);

/*!
 * @brief SET the WM8960 play source.
 *
 * @param handle WM8960 handle structure.
 * @param playSource play source , can be a value combine of kWM8960_ModuleHeadphoneSourcePGA,
 * kWM8960_ModuleHeadphoneSourceDAC, kWM8960_ModulePlaySourceInput, kWM8960_ModulePlayMonoRight,
 * kWM8960_ModulePlayMonoLeft.
 *
 * @return kStatus_WM8904_Success if successful, different code otherwise..
 */
void WM8960_SetPlay(struct rt_i2c_bus_device *dev, uint32_t playSource);

/*!
 * @brief Configure the data format of audio data.
 *
 * This function would configure the registers about the sample rate, bit depths.
 *
 * @param handle WM8960 handle structure pointer.
 * @param sysclk system clock of the codec which can be generated by MCLK or PLL output.
 * @param sample_rate Sample rate of audio file running in WM8960. WM8960 now
 * supports 8k, 11.025k, 12k, 16k, 22.05k, 24k, 32k, 44.1k, 48k and 96k sample rate.
 * @param bits Bit depth of audio file (WM8960 only supports 16bit, 20bit, 24bit
 * and 32 bit in HW).
 */
void WM8960_ConfigDataFormat(struct rt_i2c_bus_device *dev, uint32_t sysclk, rt_uint32_t sample_rate, rt_uint32_t bits);

/*!
 * @brief Enable/disable jack detect feature.
 *
 * @param handle WM8960 handle structure.
 * @param isEnabled Enable or disable moudles.
 */
void WM8960_SetJackDetect(struct rt_i2c_bus_device *dev, rt_bool_t isEnabled);

/*!
 * @brief Write register to WM8960 using I2C.
 *
 * @param handle WM8960 handle structure.
 * @param reg The register address in WM8960.
 * @param val Value needs to write into the register.
 */
void wm8960_write_reg(struct rt_i2c_bus_device *dev, rt_uint8_t reg, rt_uint16_t val);

/*!
 * @brief Read register from WM8960 using I2C.
 * @param handle WM8960 handle structure.
 * @param reg The register address in WM8960.
 * @param val Value written to.
 */
void wm8960_read_reg(struct rt_i2c_bus_device *dev, rt_uint8_t reg, rt_uint16_t *val);

/*!
 * @brief Modify some bits in the register using I2C.
 * @param handle WM8960 handle structure.
 * @param reg The register address in WM8960.
 * @param mask The mask code for the bits want to write. The bit you want to write should be 0.
 * @param val Value needs to write into the register.
 */
void wm8960_modify_reg(struct rt_i2c_bus_device *dev, rt_uint8_t reg, rt_uint16_t mask, rt_uint16_t val);

#if defined(__cplusplus)
}
#endif

/*! @} */

#endif /* _FSL_WM8960_H_ */

/*******************************************************************************
 * API
 ******************************************************************************/