228 lines
8.2 KiB
C
228 lines
8.2 KiB
C
/*
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* Copyright (c) 2015, Freescale Semiconductor, Inc.
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* Copyright 2016-2021 NXP
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* Copyright (c) 2022 HPMicro
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*
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*/
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#ifndef _HPM_WM8960_H_
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#define _HPM_WM8960_H_
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//#include "hpm_i2c_drv.h"
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//#include "hpm_common.h"
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#include <rtthread.h>
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#include <rtdevice.h>
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#include "rtt_board.h"
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#include "drivers/dev_i2c.h"
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#include "hpm_wm8960_regs.h"
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#define WM8960_I2C_ADDR 0x1A
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typedef enum wm8960_module {
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wm8960_module_adc = 0, /* ADC module in WM8960 */
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wm8960_module_dac = 1, /* DAC module in WM8960 */
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wm8960_module_vref = 2, /* VREF module */
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wm8960_module_headphone = 3, /* Headphone */
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wm8960_module_micbais = 4, /* Mic bias */
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wm8960_module_ana_in = 6, /* Analog in PGA */
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wm8960_module_lineout = 7, /* Line out module */
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wm8960_module_speaker = 8, /* Speaker module */
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wm8960_module_output_mixer = 9, /* Output mixer */
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} wm8960_module_t;
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/* wm8960 play source for output mixer */
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typedef enum wm8960_play_source {
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wm8960_play_source_input_mixer = 1, /* Input Boost Mixer to Output Mixer */
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wm8960_play_source_input3 = 2, /* L/RINPUT3 to Output Mixer */
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wm8960_play_source_dac = 4, /* DAC to Output Mixer */
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} wm8960_play_source_t;
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/* WM8960 data route */
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typedef enum wm8960_route {
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wm8960_route_bypass = 0, /* ANA_IN->Headphone. */
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wm8960_route_playback = 1, /* I2SIN->DAC->Headphone. */
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wm8960_route_playback_and_record = 2, /* I2SIN->DAC->Headphone, ANA_IN->ADC->I2SOUT. */
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wm8960_route_record = 5 /* ANA_IN->ADC->I2SOUT. */
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} wm8960_route_t;
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/* The audio data transfer protocol choice */
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typedef enum wm8960_protocol {
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wm8960_bus_i2s = 2, /* I2S type */
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wm8960_bus_left_justified = 1, /* Left justified mode */
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wm8960_bus_right_justified = 0, /* Right justified mode */
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wm8960_bus_pcma = 3, /* PCM A mode */
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wm8960_bus_pcmb = 3 | (1 << 4) /* PCM B mode */
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} wm8960_protocol_t;
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/* wm8960 input source */
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typedef enum wm8960_input {
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wm8960_input_closed = 0, /* Input device is closed */
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wm8960_input_single_ended_mic = 1, /* Input as single ended mic, only use L/RINPUT1 */
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wm8960_input_differential_mic_input2 = 2, /* Input as differential mic, use L/RINPUT1 and L/RINPUT2 */
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wm8960_input_differential_mic_input3 = 3, /* Input as differential mic, use L/RINPUT1 and L/RINPUT3*/
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wm8960_input_line_input2 = 4, /* Input as line input, only use L/RINPUT2 */
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wm8960_input_line_input3 = 5 /* Input as line input, only use L/RINPUT3 */
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} wm8960_input_t;
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/* wm8960 audio format */
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typedef struct wm8960_audio_format {
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uint32_t mclk_hz; /* master clock frequency */
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uint32_t sample_rate; /* sample rate */
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uint32_t bit_width; /* bit width */
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} wm8960_audio_format_t;
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/* configure structure of WM8960 */
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typedef struct wm8960_config {
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wm8960_route_t route; /* Audio data route.*/
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wm8960_protocol_t bus; /* Audio transfer protocol */
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bool enable_speaker; /* True means enable class D speaker as output, false means no */
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wm8960_input_t left_input; /* Left input source for WM8960 */
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wm8960_input_t right_input; /* Right input source for wm8960 */
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wm8960_play_source_t play_source; /* play source */
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wm8960_audio_format_t format; /* Audio format */
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} wm8960_config_t;
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typedef struct {
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struct rt_i2c_bus_device *i2c_bus; /* I2C bus device */
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uint8_t slave_address; /* code device address */
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} wm8960_control_t;
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/**
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* @brief WM8960 initialize function.
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*
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* @param control WM8960 control structure.
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* @param config WM8960 configuration structure.
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*/
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hpm_stat_t wm8960_init(wm8960_control_t *control, wm8960_config_t *config);
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/**
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* @brief Deinit the WM8960 codec.
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*
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* This function close all modules in WM8960 to save power.
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*
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* @param control WM8960 control structure pointer.
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*/
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hpm_stat_t wm8960_deinit(wm8960_control_t *control);
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/**
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* @brief Set audio data route in WM8960.
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*
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* This function would set the data route according to route.
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*
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* @param control WM8960 control structure.
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* @param config Audio configure structure in WM8960.
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*/
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hpm_stat_t wm8960_set_data_route(wm8960_control_t *control, wm8960_config_t *config);
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/**
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* @brief Set left audio input source in WM8960.
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*
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* @param control WM8960 control structure.
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* @param input Audio input source.
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*/
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hpm_stat_t wm8960_set_left_input(wm8960_control_t *control, wm8960_input_t input);
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/**
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* @brief Set right audio input source in WM8960.
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*
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* @param control WM8960 control structure.
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* @param input Audio input source.
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*/
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hpm_stat_t wm8960_set_right_input(wm8960_control_t *control, wm8960_input_t input);
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/**
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* @brief Set the audio transfer protocol.
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*
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* @param control WM8960 control structure.
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* @param protocol Audio data transfer protocol.
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*/
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hpm_stat_t wm8960_set_protocol(wm8960_control_t *control, wm8960_protocol_t protocol);
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/**
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* @brief Set the volume of different modules in WM8960.
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*
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* This function would set the volume of WM8960 modules. Uses need to appoint the module.
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* The function assume that left channel and right channel has the same volume.
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*
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* Module:wm8960_module_adc, volume range value: 0 is mute, 1-255 is -97db to 30db
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* Module:wm8960_module_dac, volume range value: 0 is mute, 1-255 is -127db to 0db
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* Module:wm8960_module_headphone, volume range value: 0 - 2F is mute, 0x30 - 0x7F is -73db to 6db
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* Module:wm8960_module_ana_in, volume range value: 0 - 0x3F is -17.25db to 30db
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* Module:wm8960_module_speaker, volume range value: 0 - 2F is mute, 0x30 - 0x7F is -73db to 6db
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*
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*
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* @param control WM8960 control structure.
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* @param module Module to set volume, it can be ADC, DAC, Headphone and so on.
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* @param volume Volume value need to be set.
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*/
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hpm_stat_t wm8960_set_volume(wm8960_control_t *control, wm8960_module_t module, uint32_t volume);
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/**
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* @brief Enable/disable expected module.
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*
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* @param control WM8960 control structure.
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* @param module Module expected to enable.
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* @param enable Enable or disable moudles.
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*/
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hpm_stat_t wm8960_set_module(wm8960_control_t *control, wm8960_module_t module, bool enable);
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/**
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* @brief SET the WM8960 play source.
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*
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* @param control WM8960 control structure.
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* @param play_source play source
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*
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* @return kStatus_WM8904_Success if successful, different code otherwise..
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*/
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hpm_stat_t wm8960_config_input_to_output_mixer(wm8960_control_t *control, uint32_t play_source);
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/**
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* @brief Configure the data format of audio data.
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*
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* This function would configure the registers about the sample rate, bit depths.
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*
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* @param control WM8960 control structure pointer.
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* @param sysclk system clock of the codec which can be generated by MCLK or PLL output.
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* @param sample_rate Sample rate of audio file running in WM8960. WM8960 now
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* supports 8k, 11.025k, 12k, 16k, 22.05k, 24k, 32k, 44.1k, 48k and 96k sample rate.
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* @param bits Bit depth of audio file (WM8960 only supports 16bit, 20bit, 24bit
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* and 32 bit in HW).
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*/
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hpm_stat_t wm8960_set_data_format(wm8960_control_t *control, uint32_t sysclk, uint32_t sample_rate, uint32_t bits);
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/**
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* @brief Write register to WM8960 using I2C.
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*
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* @param control WM8960 control structure.
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* @param reg The register address in WM8960.
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* @param val Value needs to write into the register.
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*/
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hpm_stat_t wm8960_write_reg(wm8960_control_t *control, uint8_t reg, uint16_t val);
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/**
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* @brief Read register from WM8960 using I2C.
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* @param reg The register address in WM8960.
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* @param val Value written to.
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*/
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hpm_stat_t wm8960_read_reg(uint8_t reg, uint16_t *val);
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/**
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* @brief Modify some bits in the register using I2C.
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* @param control WM8960 control structure.
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* @param reg The register address in WM8960.
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* @param mask The mask code for the bits want to write. The bit you want to write should be 0.
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* @param val Value needs to write into the register.
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*/
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hpm_stat_t wm8960_modify_reg(wm8960_control_t *control, uint8_t reg, uint16_t mask, uint16_t val);
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#endif /* _HPM_WM8960_H_ */
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