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/*******************************************************************************
    @file   voice.c
    @brief  Contains all functions support for adc driver
    @version  0.0
    @date   16. Jun. 2018
    @author qing.han

    .

*******************************************************************************/
#include "rom_sym_def.h"
#include "error.h"
#include "bus_dev.h"
#include "gpio.h"
#include "pwrmgr.h"
#include "clock.h"
#include "adc.h"
#include <string.h>
#include "log.h"
#include "voice.h"
#include "jump_function.h"

static voice_Ctx_t mVoiceCtx;

static uint32_t voice_data[HALF_VOICE_WORD_SIZE];

// Enable voice core
void hal_voice_enable(void)
{
    hal_clk_gate_enable(MOD_ADCC);
    subWriteReg(0x40050000,0,0,1);
}

// Disable voice core
void hal_voice_disable(void)
{
    hal_clk_gate_disable(MOD_ADCC);
    subWriteReg(0x40050000,0,0,0);
}

// Select DMIC
void hal_voice_dmic_mode(void)
{
    subWriteReg(0x4005000c,0,0,1);
}

// Select AMIC
void hal_voice_amic_mode(void)
{
    subWriteReg(0x4005000c,0,0,0);
    subWriteReg(0x4000f048,7,5,0);      //Connect ADC to PGA
    subWriteReg(0x4000f07c,4,4,1);
    subWriteReg(0x4000f07c,0,0,1);
    subWriteReg(0x4000F000 + 0x7c,2,1,HAL_ADC_CLOCK_320K);
}

// Open a GPIO pin for DMIC
void hal_voice_dmic_open(gpio_pin_e dmicDataPin, gpio_pin_e dmicClkPin)
{
    hal_gpio_fmux_set(dmicDataPin, (Fmux_Type_e)FMUX_ADCC);
    hal_gpio_fmux_set(dmicClkPin, (Fmux_Type_e)FMUX_CLK1P28M);
}

// Set PGA gain for AMIC
/*
    PGA second stage gain control bits
    pga_1st_gain        Gain (v/v)
    0         5
    1        15

    PGA second stage gain control bits
    pga_2nd_gain<2:0>        Gain (v/v)
    000                 37/4
    001                 36/5
    010                 35/6
    011                 34/7
    100                 33/8
    101                 32/9
    110                 31/10
    111                 30/11
*/
void hal_voice_amic_gain(uint8_t amicGain)
{
    subWriteReg(0x4000F048, 22, 19,(amicGain&0x0F));//bit3:pga_1st_gain_t,bit2~0:pga_2nd_gain_t
}

// Set voice process gain
void hal_voice_gain(uint8_t voiceGain)
{
    subWriteReg(0x4005000c,22,16,(uint32_t)voiceGain);
}

// Set voice encoding mode
void hal_voice_encode(VOICE_ENCODE_t voiceEncodeMode)
{
    subWriteReg(0x4005000c,13,12,voiceEncodeMode);
}

// Set voice data rate
void hal_voice_rate(VOICE_RATE_t voiceRate)
{
    subWriteReg(0x4005000c,9,8,voiceRate);
}

// INTERNAL: Set voice notch filter config
static void set_voice_notch(VOICE_NOTCH_t voiceNotch)
{
    subWriteReg(0x4005000c,3,2,voiceNotch);
}

// INTERNAL: Set voice data polarity
static void set_voice_polarity(VOICE_POLARITY_t voicePolarity)
{
    subWriteReg(0x4005000c,1,1,voicePolarity);
}

// Enable voice auto-mute
void hal_voice_amute_on(void)
{
    subWriteReg(0x40050014,0,0,0);
}

// Disable voice auto-mute
void hal_voice_amute_off(void)
{
    subWriteReg(0x40050014,0,0,1);
}

// INTERNAL: Set voice auto-mute configurations
static void set_voice_amute_cfg(
    uint16_t amutGainMax,
    uint8_t amutGainBwMax,
    uint8_t amutGdut,
    uint8_t amutGst2,
    uint8_t amutGst1,
    uint16_t amutLvl2,
    uint16_t amutLvl1,
    uint8_t amutAlvl,
    uint8_t amutBeta,
    uint8_t amutWinl)
{
    subWriteReg(0x40050010,30,20,(uint32_t)amutGainMax);
    subWriteReg(0x40050010,19,16,(uint32_t)amutGainBwMax);
    subWriteReg(0x40050010,13,8,(uint32_t)amutGdut);
    subWriteReg(0x40050010,7,4,(uint32_t)amutGst2);
    subWriteReg(0x40050010,3,0,(uint32_t)amutGst1);
    subWriteReg(0x40050014,30,20,(uint32_t)amutLvl2);
    subWriteReg(0x40050014,18,8,(uint32_t)amutLvl1);
    subWriteReg(0x40050018,15,8,(uint32_t)amutAlvl);
    subWriteReg(0x40050018,6,4,(uint32_t)amutBeta);
    subWriteReg(0x40050018,3,0,(uint32_t)amutWinl);
}



/**************************************************************************************
    @fn          hal_VOICE_IRQHandler

    @brief       This function process for adc interrupt

    input parameters

    @param       None.

    output parameters

    @param       None.

    @return      None.
 **************************************************************************************/
void __attribute__((used)) hal_ADC_VOICE_IRQHandler(void)
{
//  uint32_t voice_data[HALF_VOICE_SAMPLE_SIZE];
    volatile uint32_t voice_int_status = GET_IRQ_STATUS;
//  LOG("Voice interrupt processing\n");
    MASK_VOICE_INT;

    if (voice_int_status & BIT(8))
    {
        int n;

        for (n = 0; n < HALF_VOICE_WORD_SIZE; n++)
        {
            voice_data[n] = (uint32_t)(read_reg(VOICE_BASE + n * 4));
        }

        CLEAR_VOICE_HALF_INT;

        while (IS_CLAER_VOICE_HALF_INT) {}

//    if(mVoiceCtx.enable == FALSE)
//          continue;
        if (mVoiceCtx.evt_handler)
        {
            voice_Evt_t evt;
            evt.type = HAL_VOICE_EVT_DATA;
            evt.data = voice_data;
            evt.size = HALF_VOICE_WORD_SIZE;
            mVoiceCtx.evt_handler(&evt);
//          LOG("Voice memory half full interrupt processing completed\n");
        }
    }

    if (voice_int_status & BIT(9))
    {
        int n;

        for (n = 0; n < HALF_VOICE_WORD_SIZE; n++)
        {
            voice_data[n] = (uint32_t)(read_reg(VOICE_MID_BASE + n * 4));
        }

        CLEAR_VOICE_FULL_INT;

        while (IS_CLAER_VOICE_FULL_INT) {}

//    if(mVoiceCtx.enable == FALSE)
//          continue;
        if (mVoiceCtx.evt_handler)
        {
            voice_Evt_t evt;
            evt.type = HAL_VOICE_EVT_DATA;
            evt.data = voice_data;
            evt.size = HALF_VOICE_WORD_SIZE;
            mVoiceCtx.evt_handler(&evt);
//          LOG("Voice memory full interrupt processing completed\n");
        }
    }

    ENABLE_VOICE_INT;
}

/**************************************************************************************
    @fn          hal_voice_init

    @brief       This function process for adc initial

    input parameters

    @param       ADC_MODE_e mode: adc sample mode select;1:SAM_MANNUAL(mannual mode),0:SAM_AUTO(auto mode)
                ADC_CH_e adc_pin: adc pin select;ADC_CH0~ADC_CH7 and ADC_CH_VOICE
                ADC_SEMODE_e semode: signle-ended mode negative side enable; 1:SINGLE_END(single-ended mode) 0:DIFF(Differentail mode)
                IO_CONTROL_e amplitude: input signal amplitude, 0:BELOW_1V,1:UP_1V

    output parameters

    @param       None.

    @return      None.
 **************************************************************************************/
void hal_voice_init(void)
{
    hal_pwrmgr_register(MOD_ADCC,NULL,NULL);
    hal_pwrmgr_register(MOD_VOC,NULL,NULL);
    memset(&mVoiceCtx, 0, sizeof(mVoiceCtx));;
}

int hal_voice_config(voice_Cfg_t cfg, voice_Hdl_t evt_handler)
{
    if(mVoiceCtx.enable)
        return PPlus_ERR_BUSY;

    if(evt_handler == NULL)
        return PPlus_ERR_INVALID_PARAM;

    hal_clk_gate_enable(MOD_ADCC);//enable I2C clk gated
    mVoiceCtx.evt_handler = evt_handler; //evt_handler;

    if(cfg.voiceSelAmicDmic)
    {
        hal_voice_dmic_mode();
        hal_voice_dmic_open(cfg.dmicDataPin, cfg.dmicClkPin);
    }
    else
    {
        hal_voice_amic_mode();
        hal_voice_amic_gain(cfg.amicGain);
        hal_gpio_pull_set(P18,GPIO_FLOATING);//pga in+
        hal_gpio_pull_set(P20,GPIO_FLOATING);//pga in-
        hal_gpio_pull_set(P15,GPIO_FLOATING);//micphone bias
        //hal_gpio_pull_set(P23,GPIO_FLOATING);//micphone bias reference voltage
        hal_gpio_cfg_analog_io(P15,Bit_ENABLE);//config micphone bias
    }

    hal_voice_gain(cfg.voiceGain);
    hal_voice_encode(cfg.voiceEncodeMode);
    hal_voice_rate(cfg.voiceRate);
    set_voice_notch(VOICE_NOTCH_1);
    set_voice_polarity(VOICE_POLARITY_POS);

    if(cfg.voiceAutoMuteOnOff)
    {
        hal_voice_amute_off();
    }
    else
    {
        hal_voice_amute_on();
    }

    set_voice_amute_cfg(64, 6, 9, 0, 1, 55, 10, 48, 3, 10);
    mVoiceCtx.cfg = cfg;
    //CLK_1P28M_ENABLE;
    AP_PCRM->CLKSEL |= BIT(6);
    //ENABLE_XTAL_OUTPUT;         //enable xtal 16M output,generate the 32M dll clock
    AP_PCRM->CLKHF_CTL0 |= BIT(18);
    //ENABLE_DLL;                  //enable DLL
    AP_PCRM->CLKHF_CTL1 |= BIT(7);
    //ADC_DBLE_CLOCK_DISABLE;      //disable double 32M clock,we are now use 32M clock,should enable bit<13>, diable bit<21>
    AP_PCRM->CLKHF_CTL1 &= ~BIT(21);
    //ADC_CLOCK_ENABLE;            //adc clock enbale,always use clk_32M
    AP_PCRM->CLKHF_CTL1 |= BIT(13);
    //subWriteReg(0x4000f07c,4,4,1);    //set adc mode,1:mannual,0:auto mode
    AP_PCRM->ADC_CTL4 |= BIT(4);
    //*(volatile unsigned int *) 0x4000f040=0x5014B820;
    //*(volatile unsigned int *) 0x4000f044=0x019028b0;
    //*(volatile unsigned int *) 0x4000f048=0x0000014b;
//  hal_pwrmgr_register(MOD_ADCC,NULL,NULL);
//  hal_pwrmgr_register(MOD_VOC,NULL,NULL);
    return PPlus_SUCCESS;
}

int hal_voice_start(void)
{
    hal_clk_gate_enable(MOD_ADCC);
    mVoiceCtx.enable = TRUE;
    hal_pwrmgr_lock(MOD_ADCC);
    hal_pwrmgr_lock(MOD_VOC);

    if (mVoiceCtx.cfg.voiceSelAmicDmic)
    {
    }
    else
    {
        AP_PCRM->ANA_CTL |= BIT(16);    //Power on PGA
        AP_PCRM->ANA_CTL |= BIT(3);     //Power on ADC
        AP_PCRM->ANA_CTL |= BIT(0);
        AP_PCRM->ANA_CTL |= BIT(23);
    }

    NVIC_SetPriority((IRQn_Type)ADCC_IRQn, IRQ_PRIO_HAL);//teddy add 20190121
    NVIC_EnableIRQ((IRQn_Type)ADCC_IRQn);
    //Enable voice core
    hal_voice_enable();
    JUMP_FUNCTION(ADCC_IRQ_HANDLER)                  =   (uint32_t)&hal_ADC_VOICE_IRQHandler;
    //Enable VOICE IRQ
    ENABLE_VOICE_INT;
    return PPlus_SUCCESS;
}

int hal_voice_stop(void)
{
    MASK_VOICE_INT;
    //Disable voice core
    hal_voice_disable();

    if (mVoiceCtx.cfg.voiceSelAmicDmic)
    {
    }
    else
    {
        AP_PCRM->ANA_CTL &= ~BIT(16);   //Power off PGA
    }

    //Enable sleep
    hal_pwrmgr_unlock(MOD_VOC);
    hal_pwrmgr_unlock(MOD_ADCC);
    JUMP_FUNCTION(ADCC_IRQ_HANDLER)                  = 0;
    mVoiceCtx.enable = FALSE;
    return 0;
}

int hal_voice_clear(void)
{
    //MASK_VOICE_INT;
    MASK_VOICE_INT;
    NVIC_DisableIRQ((IRQn_Type)ADCC_IRQn);

    if (mVoiceCtx.cfg.voiceSelAmicDmic)
    {
        hal_gpioin_disable(mVoiceCtx.cfg.dmicDataPin);
        hal_gpioin_disable(mVoiceCtx.cfg.dmicClkPin);
    }
    else
    {
    }

    //clk_gate_disable(MOD_ADCC);//disable I2C clk gated
    memset(&mVoiceCtx, 0, sizeof(mVoiceCtx));
    //enableSleep();
    hal_pwrmgr_unlock(MOD_VOC);
    return 0;
}

int hal_voice_deinit( void )
{
    hal_pwrmgr_unregister(MOD_ADCC);
    hal_pwrmgr_unregister(MOD_VOC);
    return 0;
}

