151 lines
3.6 KiB
C
151 lines
3.6 KiB
C
#include "include.h"
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#include "arm_arch.h"
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#include "audio.h"
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#include "audio_pub.h"
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#include "intc_pub.h"
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#include "icu_pub.h"
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#include "sys_ctrl_pub.h"
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#include "drv_model_pub.h"
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#include "mem_pub.h"
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#if CFG_USE_AUDIO
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void audio_power_up(void)
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{
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UINT32 param;
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param = PWD_AUDIO_CLK_BIT;
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sddev_control(ICU_DEV_NAME, CMD_CLK_PWR_UP, ¶m);
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#if (CFG_SOC_NAME == SOC_BK7252N)
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sddev_control(ICU_DEV_NAME, CMD_ICU_CLKGATING_DISABLE, ¶m);
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#endif
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}
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void audio_power_down(void)
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{
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UINT32 param;
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param = PWD_AUDIO_CLK_BIT;
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sddev_control(ICU_DEV_NAME, CMD_CLK_PWR_DOWN, ¶m);
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#if (CFG_SOC_NAME == SOC_BK7252N)
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sddev_control(ICU_DEV_NAME, CMD_ICU_CLKGATING_ENABLE, ¶m);
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#endif
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}
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void audio_enable_interrupt(void)
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{
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UINT32 param;
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param = (IRQ_AUDIO_BIT);
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sddev_control(ICU_DEV_NAME, CMD_ICU_INT_ENABLE, ¶m);
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}
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void audio_disable_interrupt(void)
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{
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UINT32 param;
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param = (IRQ_AUDIO_BIT);
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sddev_control(ICU_DEV_NAME, CMD_ICU_INT_DISABLE, ¶m);
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}
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extern void audio_adc_irq_handler(UINT32 arg);
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static void audio_isr(void)
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{
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UINT32 status = REG_READ(AUD_AD_FIFO_STATUS);
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//AUD_PRT("%x\r\n", status);
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if (status & (DAC_R_INT_FLAG | DAC_L_INT_FLAG))
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{
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REG_WRITE(AUD_AD_FIFO_STATUS,
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DAC_R_NEAR_FULL | DAC_L_NEAR_FULL
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| DAC_R_NEAR_EMPTY | DAC_L_NEAR_EMPTY
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| DAC_R_FIFO_FULL | DAC_L_FIFO_FULL
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| DAC_R_FIFO_EMPTY | DAC_L_FIFO_EMPTY
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| DAC_R_INT_FLAG | DAC_L_INT_FLAG);
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}
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if (status & ADC_INT_FLAG)
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{
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#if CFG_USE_AUD_ADC
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audio_adc_irq_handler(status);
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#endif
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REG_WRITE(AUD_AD_FIFO_STATUS,
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ADC_NEAR_FULL | ADC_NEAR_EMPTY | ADC_FIFO_FULL
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| ADC_FIFO_EMPTY | ADC_INT_FLAG);
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}
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if (status & DTMF_INT_FLAG)
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{
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//audio_dtmf_isr(status);
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REG_WRITE(AUD_AD_FIFO_STATUS,
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DTMF_NEAR_FULL | DTMF_NEAR_EMPTY | DTMF_FIFO_FULL
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| DTMF_FIFO_EMPTY | DTMF_INT_FLAG);
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}
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}
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void audio_hardware_init(void)
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{
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UINT32 val;
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/* register interrupt */
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intc_service_register(IRQ_AUDIO, PRI_IRQ_AUDIO, audio_isr);
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REG_WRITE(AUDIO_CONFIG, 0);
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REG_WRITE(AUD_DTMF_CONFIG_0, 0);
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REG_WRITE(AUD_DTMF_CONFIG_1, 0);
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REG_WRITE(AUD_DTMF_CONFIG_2, 0);
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REG_WRITE(AUD_ADC_CONFIG_0, 0x00e93A22);
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REG_WRITE(AUD_ADC_CONFIG_1, 0x8BBF3A22);
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REG_WRITE(AUD_ADC_CONFIG_2, 0xC9E6751C);
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REG_WRITE(AUD_AGC_CONFIG_0, 0x4A019465);
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REG_WRITE(AUD_AGC_CONFIG_1, 0x02016C01);
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REG_WRITE(AUD_AGC_CONFIG_2, 0x0F020940);
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REG_WRITE(AUD_DAC_CONFIG_0, 0);
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REG_WRITE(AUD_DAC_CONFIG_1, 0);
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REG_WRITE(AUD_DAC_CONFIG_2, 0);
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// it's very import to config dac interrupt thred(not all zero)
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REG_WRITE(AUD_FIFO_CONFIG, 0x210);
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/* reset int status */
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val = REG_READ(AUD_AD_FIFO_STATUS);
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REG_WRITE(AUD_AD_FIFO_STATUS, val);
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}
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void audio_init(void)
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{
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audio_hardware_init();
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}
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void audio_exit(void)
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{
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UINT32 val;
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REG_WRITE(AUDIO_CONFIG, 0);
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REG_WRITE(AUD_DTMF_CONFIG_0, 0);
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REG_WRITE(AUD_DTMF_CONFIG_1, 0);
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REG_WRITE(AUD_DTMF_CONFIG_2, 0);
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REG_WRITE(AUD_ADC_CONFIG_0, 0);
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REG_WRITE(AUD_ADC_CONFIG_1, 0);
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REG_WRITE(AUD_ADC_CONFIG_2, 0);
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REG_WRITE(AUD_DAC_CONFIG_0, 0);
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REG_WRITE(AUD_DAC_CONFIG_1, 0);
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REG_WRITE(AUD_DAC_CONFIG_2, 0);
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REG_WRITE(AUD_FIFO_CONFIG, 0);
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/* reset int status */
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val = REG_READ(AUD_AD_FIFO_STATUS);
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REG_WRITE(AUD_AD_FIFO_STATUS, val);
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#if CFG_USE_AUD_DAC
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ddev_unregister_dev(AUD_DAC_DEV_NAME);
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#endif
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}
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#endif // CFG_USE_AUDIO
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