void dma_nowait_cpyinit()
{
CLRREG32(A_CPM_CLKGR, ( 1 << 12 ));
SETREG32(A_DMA_DMAC(DMA_CPY_CHANNEL / 6),DMAC_DMA_EN);
OUTREG32(A_DMA_DCKE(DMA_CPY_CHANNEL / 6),(1 << (DMA_CPY_CHANNEL % 6)));//Open channel clock
CLRREG32(A_DMA_DMAC(DMA_CPY_CHANNEL / 6), (DMAC_HALT | DMAC_ADDR_ERR));//Ensure DMAC.AR = 0,DMAC.HLT = 0
CLRREG32(A_DMA_DCS(DMA_CPY_CHANNEL), DCS_AR | DCS_HLT | DCS_TT | DCS_INV); // Ensure DCSn.AR = 0, DCSn.HLT = 0, DCSn.TT = 0, DCSn.INV = 0
OUTREG32(A_DMA_DTC(DMA_CPY_CHANNEL), 0);//DTCn = 0
CLRREG32(A_DMA_DCS(DMA_CPY_CHANNEL), DCS_CTE);
SETREG32(A_DMA_DCS(DMA_CPY_CHANNEL), DCS_NDES);
}
void dma_copy_nowait(void *tar,void *src,int size)
{
int timeout = 0x1000000;
while ((!(INREG32(A_DMA_DCS(DMA_CPY_CHANNEL)) & DCS_TT)) && (timeout--));
CLRREG32(A_DMA_DCS(DMA_CPY_CHANNEL), DCS_CTE);
OUTREG32(A_DMA_DSA(DMA_CPY_CHANNEL), PHYSADDR((unsigned long)src));
OUTREG32(A_DMA_DTA(DMA_CPY_CHANNEL), PHYSADDR((unsigned long)tar));
OUTREG32(A_DMA_DTC(DMA_CPY_CHANNEL), size / 32);
OUTREG32(A_DMA_DRT(DMA_CPY_CHANNEL), DRT_AUTO);
OUTREG32(A_DMA_DCM(DMA_CPY_CHANNEL), (DCM_SAI| DCM_DAI | DCM_SP_32BIT | DCM_DP_32BIT | DCM_TSZ_32BYTE));
CLRREG32(A_DMA_DCS(DMA_CPY_CHANNEL),(DCS_TT));
SETREG32(A_DMA_DCS(DMA_CPY_CHANNEL), DCS_CTE | DCS_NDES);
}
////////////////////////////////////////////////////
// 功能: 关闭声音设备
// 输入:
// 输出:
// 返回:
// 说明:
////////////////////////////////////////////////////
void CloseMediaDevice(char channel)
{
int arg;
int time;
arg = ((channel == 0) ? RECORD_CHANNEL : PLAYBACK_CHANNEL );
//等待DMA结束
time = 0;
while( INREG32(A_DMA_DTC(arg)) )
{
#ifdef KPRINTF_DEF
kprintf("close media device : count = %x\n",INREG32(A_DMA_DTC(arg)));
#endif
sTimerSleep(10, NULL);
//加入延迟处理，防止死锁
time++;
if( time > 10 )
{
kdebug(mod_media, PRINT_WARNING, "close media device timer out\n");
break;
}
}
//stop dma
CLRREG32(A_DMA_DCS(arg), DCS_AR | DCS_HLT | DCS_CTE | DCS_CT);
//close aic
CLRREG32(AIC_CR, AIC_CR_ERPL);
SETREG32(AIC_CR, AIC_CR_FLUSH_FIFO);
OUTREG32(AIC_SR, 0x00000000);
#ifndef CODEC_ALWAYS_OPEN
CloseMediaCodecDevice();
#endif
}
////////////////////////////////////////////////////
// 功能: 延迟N个豪秒
// 输入:
// 输出:
// 返回:
// 说明:
////////////////////////////////////////////////////
static void dma_init(unsigned int channel, char mode)
{
unsigned int group, data;
#ifdef KPRINTF_DEF
kprintf("dma init channle = %d\n",channel);
#endif
group = channel / HALF_DMA_NUM;
SETREG32(A_DMA_DMAC(group), (DMAC_DMA_EN | DMAC_FAST_AIC) );
SETREG32(A_DMA_DCKE(group), (1 << (channel - group * HALF_DMA_NUM)) );
OUTREG32(A_DMA_DCS(channel), DCS_NDES );
if (mode)
{
data = DCM_SAI | DCM_SP_32BIT | DCM_DP_16BIT | DCM_TSZ_16BYTE | DCM_RDIL_IGN | DCM_TRANS_INTR_EN;
OUTREG32(A_DMA_DCM(channel), data);
OUTREG32(A_DMA_DRT(channel), DRT_AIC_TX);
}
else
{
data = DCM_DAI | DCM_SP_16BIT | DCM_DP_32BIT | DCM_TSZ_16BYTE | DCM_RDIL_IGN;
OUTREG32(A_DMA_DCM(channel), data);
OUTREG32(A_DMA_DRT(channel), DRT_AIC_RX);
}
}
void dma_nand_set_wait(void *tar,unsigned char src,unsigned int size)
{
unsigned int setdata[16];
unsigned int *ptemp;
ptemp = (unsigned int *)UNCACHE(((unsigned int)(&setdata)+ 31)& (~31));
*ptemp = (unsigned int) ((src << 24) | (src << 16) | (src << 8) | src);
if(((unsigned int)tar < 0xa0000000) && size)
dma_cache_wback_inv((unsigned long)tar, size);
CLRREG32(A_DMA_DCS(DMA_NAND_COPY_CHANNEL), DCS_CTE);
OUTREG32(A_DMA_DSA(DMA_NAND_COPY_CHANNEL), PHYSADDR((unsigned long)ptemp));
OUTREG32(A_DMA_DTA(DMA_NAND_COPY_CHANNEL), PHYSADDR((unsigned long)tar));
OUTREG32(A_DMA_DTC(DMA_NAND_COPY_CHANNEL), size / 32);
OUTREG32(A_DMA_DRT(DMA_NAND_COPY_CHANNEL), DRT_AUTO);
OUTREG32(A_DMA_DCM(DMA_NAND_COPY_CHANNEL),(DCM_DAI | DCM_SP_32BIT | DCM_DP_32BIT| DCM_TSZ_32BYTE));
CLRREG32(A_DMA_DCS(DMA_NAND_COPY_CHANNEL),(DCS_TT));
SETREG32(A_DMA_DCS(DMA_NAND_COPY_CHANNEL), DCS_CTE | DCS_NDES);
while (!(INREG32(A_DMA_DCS(DMA_NAND_COPY_CHANNEL)) & DCS_TT));
}
void yuv_copy_nowait(unsigned int *tar,unsigned int *src,int *t_stride,int *s_stride,int *size,int *line)
{
int i;
while (!(INREG32(A_DMA_DCS(DMA_STRIDE_CPY_CHANNEL)) & DCS_CT) ); //error
for(i = 0;i < 3;i++)
{
g_desc[8*i+1] = PHYSADDR(src[i]);
g_desc[8*i+2] = PHYSADDR(tar[i]);
g_desc[8*i+3] = (((unsigned int)&g_desc[8 * (i + 1)] & 0xff0)<<20 ) | ((*(line + i))<<16) | (*(size + i) );
g_desc[8*i+4] = ((*(t_stride + i)) << 16) | (*(s_stride + i));
}
OUTREG32(A_DMA_DDA(DMA_STRIDE_CPY_CHANNEL),PHYSADDR(g_desc));
OUTREG32(A_DMA_DRT(DMA_STRIDE_CPY_CHANNEL), DRT_AUTO);
CLRREG32(A_DMA_DCS(DMA_STRIDE_CPY_CHANNEL),(DCS_TT | DCS_CT));
OUTREG32(A_DMA_DDRS(DMA_STRIDE_CPY_CHANNEL / 6), (1 << (DMA_STRIDE_CPY_CHANNEL % 6)));//add
SETREG32(A_DMA_DCS(DMA_STRIDE_CPY_CHANNEL), DCS_CTE);
}
void dma_nand_copy_wait(void *tar,void *src,int size)
{
int timeout = 0x1000000;
if(((unsigned int)src < 0xa0000000) && size)
dma_cache_wback_inv((unsigned long)src, size);
if(((unsigned int)tar < 0xa0000000) && size)
dma_cache_wback_inv((unsigned long)tar, size);
CLRREG32(A_DMA_DCS(DMA_NAND_COPY_CHANNEL), DCS_CTE);
OUTREG32(A_DMA_DSA(DMA_NAND_COPY_CHANNEL), PHYSADDR((unsigned long)src));
OUTREG32(A_DMA_DTA(DMA_NAND_COPY_CHANNEL), PHYSADDR((unsigned long)tar));
OUTREG32(A_DMA_DTC(DMA_NAND_COPY_CHANNEL), size / 32);
OUTREG32(A_DMA_DRT(DMA_NAND_COPY_CHANNEL), DRT_AUTO);
OUTREG32(A_DMA_DCM(DMA_NAND_COPY_CHANNEL), (DCM_SAI| DCM_DAI | DCM_SP_32BIT | DCM_DP_32BIT | DCM_TSZ_32BYTE));
CLRREG32(A_DMA_DCS(DMA_NAND_COPY_CHANNEL),(DCS_TT));
SETREG32(A_DMA_DCS(DMA_NAND_COPY_CHANNEL), DCS_CTE | DCS_NDES);
while ((!(INREG32(A_DMA_DCS(DMA_NAND_COPY_CHANNEL)) & DCS_TT)) && (timeout--));
}
////////////////////////////////////////////////////
// 功能: 利用DMA播放数据
// 输入:
// 输出:
// 返回:
// 说明:
////////////////////////////////////////////////////
static int intr_handler_playback_dma(int arg)
{
int group,channle;
unsigned int stat,dmac;
//清除DMA标记
#ifdef KPRINTF_DEF
kprintf("play music interrupt happend\n");
#endif
channle = arg - IRQ_DMA_0;
group = (arg - IRQ_DMA_0) / HALF_DMA_NUM;
__dmac_channel_ack_irq( group , channle - group * HALF_DMA_NUM );
stat = INREG32(A_DMA_DCS(channle));
dmac = INREG32(A_DMA_DMAC(group));
#ifdef KPRINTF_DEF
if( stat & DCS_AR )
kprintf("dcs addr error\n");
if( stat & DCS_HLT)
kprintf("dcs halt error\n");
if( dmac & DMAC_ADDR_ERR )
kprintf("dmac addr error\n");
if( dmac & DMAC_HALT )
kprintf("dmac halt error\n");
#endif
if (stat & DCS_TT)
{
CLRREG32(A_DMA_DMAC(group), (DMAC_ADDR_ERR | DMAC_HALT) );
CLRREG32(A_DMA_DCS(channle), (DCS_AR | DCS_HLT | DCS_CTE | DCS_CT | DCS_TT));
DacClearPcmData(); //清空PCM数据
interrupt_count++;
}
else
kdebug(mod_media, PRINT_INFO, "stat & DCS_TT == 0\n");
return INT_DONE;
}
////////////////////////////////////////////////////
// 功能: 音频初始化
// 输入:
// 输出:
// 返回:
// 说明:
////////////////////////////////////////////////////
static int intr_handler_record_dma(int arg)
{
unsigned int channle = arg - IRQ_DMA_0;
unsigned int group = arg / HALF_DMA_NUM;
#ifdef KPRINTF_DEF
kprintf("recorde interrupt happend\n");
#endif
CLRREG32(A_DMA_DMAC(group), (DMAC_ADDR_ERR | DMAC_HALT) );
CLRREG32(A_DMA_DCS(channle), (DCS_CTE | DCS_CT | DCS_TT | DCS_AR | DCS_HLT));
AdcSetPcmData(); //读出PCM数据
return INT_DONE;
}
////////////////////////////////////////////////////
// 功能: 延迟N个豪秒
// 输入:
// 输出:
// 返回:
// 说明:
////////////////////////////////////////////////////
static void dma_start(unsigned int channel, unsigned int srcAddr, unsigned int dstAddr, unsigned int count, unsigned char mode)
{
#ifdef KPRINTF_DEF
kprintf("dma channle = %d\n",channel);
kprintf("source = %x, destion = %x, count = %x\n",srcAddr,dstAddr,count*16);
#endif
OUTREG32(A_DMA_DSA(channel), srcAddr); // DMA数据地址
OUTREG32(A_DMA_DTA(channel), dstAddr); // DMA目标地址
OUTREG32(A_DMA_DTC(channel), count / 16); // 传送DMA的数据组数，当前设置1组为16个数据
SETREG32(A_DMA_DCS(channel), DCS_CTE); // 开始DMA数据传送
//判断是否允许DMA中断
if( mode )
InterruptUnmask(IRQ_DMA_0 + channel, 0); // 允许DMA结束后，自动产生中断
}
void yuv_copy_nowait_init()
{
int i;
g_desc=(unsigned int*)(((unsigned int)(g_des_space)) | 0xa0000000);
for(i = 0;i < 3;i++)
{
g_desc[i * 8 + 0] = (DES_DAI | DES_SAI | DES_SP_32BIT | DES_DP_32BIT | DES_TSZ_32BIT | DCD_STRIDE_EN | DES_LINK_EN);
g_desc[i * 8 + 5] = DRT_AUTO;
}
g_desc[(--i) * 8 + 0] &= ~(DES_LINK_EN);
CLRREG32(A_CPM_CLKGR, ( 1 << 12 ));
SETREG32(A_DMA_DMAC(DMA_STRIDE_CPY_CHANNEL / 6),DMAC_DMA_EN);
OUTREG32(A_DMA_DCKE(DMA_STRIDE_CPY_CHANNEL / 6),(1 << (DMA_STRIDE_CPY_CHANNEL % 6)));//Open channel clock
CLRREG32(A_DMA_DMAC(DMA_STRIDE_CPY_CHANNEL / 6), (DMAC_HALT | DMAC_ADDR_ERR));//Ensure DMAC.AR = 0,DMAC.HLT = 0
CLRREG32(A_DMA_DCS(DMA_STRIDE_CPY_CHANNEL), DCS_AR | DCS_HLT | DCS_TT | DCS_INV); // Ensure DCSn.AR = 0, DCSn.HLT = 0, DCSn.TT = 0, DCSn.INV = 0
OUTREG32(A_DMA_DTC(DMA_STRIDE_CPY_CHANNEL), 0);//DTCn = 0
CLRREG32(A_DMA_DCS(DMA_STRIDE_CPY_CHANNEL), DCS_CTE);
CLRREG32(A_DMA_DCS(DMA_STRIDE_CPY_CHANNEL), DCS_NDES);
SETREG32(A_DMA_DCS(DMA_STRIDE_CPY_CHANNEL), DCS_DES8);
}
////////////////////////////////////////////////////
// 功能: 读取DMA状态
// 输入:
// 输出:
// 返回:
// 说明:
////////////////////////////////////////////////////
void GetDmaInfo()
{
unsigned int channel;
channel = PLAYBACK_CHANNEL;
for(channel= 0; channel < 4 ; channel++)
{
kprintf("DMA CHANNEL = %d\n",channel);
kprintf("status = %x, count = %x\n",INREG32(A_DMA_DCM(channel)),INREG32(A_DMA_DTC(channel)));
kprintf("control = %x,irq = %x\n",INREG32(A_DMA_DCS(channel)),INREG32(A_DMA_DIRQP(channel/6)));
kprintf("source addr = %x, destion addr = %x\n",INREG32(A_DMA_DSA(channel)),INREG32(A_DMA_DTA(channel)));
kprintf("DRT = %x, DMAC = %x, DCKE = %x\n",INREG32(A_DMA_DRT(channel)),INREG32(A_DMA_DMAC(0)),INREG32(A_DMA_DCKE(0)));
}
kprintf("\nDMA interrupt count = %d\n",interrupt_count);
kprintf("aic register = %x\n",INREG32(A_CPM_CLKGR));
kprintf("dma register = %x\n\n",INREG32(INTC_IMR));
kprintf("======== aic status ========\n");
kprintf("AIC I2S/MSB-justified Control Register I2SCR = %x\n",REG_AIC_I2SCR);
kprintf("AIC Controller FIFO Status Register AICSR = %x\n",REG_AIC_SR);
kprintf("AIC AC-link Status Register ACSR = %x\n",REG_AIC_ACSR);
kprintf("AIC I2S/MSB-justified Status Register I2SSR = %x\n\n",REG_AIC_I2SSR);
kprintf("======== codec status ========\n");
kprintf("Audio Interface Control, Software Write = %x\n",codec_reg_read(A_CODEC_AICR));
kprintf("Control Register 1 = %x\n",codec_reg_read(A_CODEC_CR1));
kprintf("Control Register 2 = %x\n",codec_reg_read(A_CODEC_CR2));
kprintf("Control Clock Register 1 = %x\n",codec_reg_read(A_CODEC_CCR1));
kprintf("Control Clock Register 2 = %x\n",codec_reg_read(A_CODEC_CCR2));
kprintf("Power Mode Register 1 = %x\n",codec_reg_read(A_CODEC_PMR1));
kprintf("Power Mode Register 2 = %x\n",codec_reg_read(A_CODEC_PMR2));
kprintf("Control Ramp Register = %x\n",codec_reg_read(A_CODEC_CRR));
kprintf("Interrupt Control Register = %x\n",codec_reg_read(A_CODEC_ICR));
kprintf("Interrupt Flag Register = %x\n",codec_reg_read(A_CODEC_IFR));
kprintf("Control Gain Register 1 = %x\n",codec_reg_read(A_CODEC_CGR1));
kprintf("Control Gain Register 2 = %x\n",codec_reg_read(A_CODEC_CGR2));
kprintf("Control Gain Register 3 = %x\n",codec_reg_read(A_CODEC_CGR3));
kprintf("Control Gain Register 4 = %x\n",codec_reg_read(A_CODEC_CGR4));
kprintf("Control Gain Register 5 = %x\n",codec_reg_read(A_CODEC_CGR5));
kprintf("Control Gain Register 6 = %x\n",codec_reg_read(A_CODEC_CGR6));
kprintf("Control Gain Register 7 = %x\n",codec_reg_read(A_CODEC_CGR7));
kprintf("Control Gain Register 8 = %x\n",codec_reg_read(A_CODEC_CGR8));
kprintf("Control Gain Register 9 = %x\n",codec_reg_read(A_CODEC_CGR9));
kprintf("Control Gain Register 10 = %x\n",codec_reg_read(A_CODEC_CGR10));
}
////////////////////////////////////////////////////
// 功能: 音频初始化
// 输入:
// 输出:
// 返回:
// 说明:
////////////////////////////////////////////////////
int pcm_ioctl(unsigned int cmd, unsigned long arg)
{
unsigned int data, temp, aicfr, aiccr;
switch (cmd)
{
case PCM_SET_SAMPLE_RATE:
#ifdef KPRINTF_DEF
kprintf("pcm_ioctl, PCM_SET_SAMPLE_RATE,arg = %d\n", arg);
#endif
set_sample_rate(arg);
break;
case PCM_SET_CHANNEL:
#ifdef KPRINTF_DEF
kprintf("pcm_ioctl, PCM_SET_CHANNEL,arg = %d.\n", arg);
#endif
if (arg == 2)
__aic_disable_mono2stereo(); //CLRREG32(AIC_CR, AICCR_M2S);
else if (arg == 1)
__aic_enable_mono2stereo(); //SETREG32(AIC_CR, AICCR_M2S);
break;
case PCM_SET_FORMAT:
#ifdef KPRINTF_DEF
kprintf("pcm_ioctl, PCM_SET_FORMAT, arg = %d.\n",arg);
#endif
// Config for Playback
aicfr = INREG32(AIC_FR) & (~AIC_FR_TFTH_MASK);
aiccr = INREG32(AIC_CR) & (~AIC_CR_OSS_MASK);
temp = INREG32(A_DMA_DCM(PLAYBACK_CHANNEL)) & (~DCM_DP_MASK);
if (arg == 16)
{
aicfr |= AICFR_TFTH(16);
temp |= DCM_DP_16BIT;
aiccr &= ~AIC_CR_AVSTSU;
aiccr |= AIC_CR_OSS_16BIT;
}
else if (arg == 8)
{
aicfr |= AICFR_TFTH(16);
temp |= DCM_DP_08BIT;
aiccr |= AIC_CR_AVSTSU;
aiccr |= AIC_CR_OSS_8BIT;
}
OUTREG32(AIC_FR, aicfr);
OUTREG32(AIC_CR, aiccr);
OUTREG32(A_DMA_DCM(PLAYBACK_CHANNEL), temp);
// Config for Recorder
temp = INREG32(A_DMA_DCM(RECORD_CHANNEL)) & (~DCM_DP_MASK);
if (arg == 16)
temp |= DCM_DP_16BIT;
else if (arg == 8)
temp |= DCM_DP_08BIT;
OUTREG32(A_DMA_DCM(RECORD_CHANNEL), temp);
break;
case PCM_SET_MUTE:
#ifdef KPRINTF_DEF
kprintf("pcm_ioctl, PCM_SET_MUTE, arg = %d.\n", arg);
#endif
if ((g_volume == 0) || arg == 1)
{
codec_reg_set(A_CODEC_CR1, DAC_MUTE);
}
else
{
codec_reg_clear(A_CODEC_CR1, DAC_MUTE);
}
break;
case PCM_SET_VOL:
case PCM_SET_HP_VOL:
#ifdef KPRINTF_DEF
kprintf("pcm_ioctl, PCM_SET_HP_VOL, val = %d.\n", arg);
#endif
{
int RegVolume = 0, VolDif = 0, JumpCoun = 0;
data = arg > 31 ? 31 : arg;
g_volume = data;
RegVolume = get_volume_reg();
VolDif = RegVolume > data ? (RegVolume - data) : (data - RegVolume);
#ifdef KPRINTF_DEF
kprintf("set volume: voldif = %d,data = %d\n",VolDif,data);
#endif
if (VolDif > 7)
{
for (JumpCoun = 0; JumpCoun <= data; JumpCoun++)
{
set_volume_reg(JumpCoun);
//MillinsecoundDelay(10);
}
}
else
{
set_volume_reg(data);
}
}
break;
case PCM_SET_PAUSE:
#ifdef KPRINTF_DEF
kprintf("pcm_ioctl, PCM_SET_PAUSE\n");
#endif
MillinsecoundDelay(10);
CLRREG32(AIC_CR, AIC_CR_ERPL);
CLRREG32(A_DMA_DCS(PLAYBACK_CHANNEL), DCS_AR | DCS_HLT | DCS_CTE | DCS_CT);
SETREG32(AIC_CR, AIC_CR_FLUSH_FIFO);
OUTREG32(AIC_SR, 0x00000000);
break;
case PCM_SET_PLAY:
#ifdef KPRINTF_DEF
kprintf("pcm_ioctl, PCM_SET_PLAY\n");
#endif
codec_reg_clear(A_CODEC_PMR1, SB_ADC);
jz_audio_reset();
MillinsecoundDelay(10);
codec_reg_clear(A_CODEC_CR1, HP_DIS);
codec_reg_set(A_CODEC_PMR1, SB_LIN);
codec_reg_clear(A_CODEC_PMR1, SB_DAC);
codec_reg_set(A_CODEC_PMR1, SB_ADC);
SETREG32(AIC_CR, AIC_CR_ERPL);
break;
case PCM_SET_REPLAY:
#ifdef KPRINTF_DEF
kprintf("pcm_ioctl, PCM_SET_REPLAY\n");
#endif
CLRREG32(AIC_CR, AIC_CR_EREC);
CLRREG32(A_DMA_DCS(RECORD_CHANNEL), DCS_AR | DCS_HLT | DCS_CTE | DCS_CT);
codec_reg_clear(A_CODEC_CR2, ADC_HPF);
codec_reg_set(A_CODEC_CR1, SB_MICBIAS);
codec_reg_clear(A_CODEC_CR1, BYPASS);
codec_reg_set(A_CODEC_CR1, DACSEL);
codec_reg_write(A_CODEC_CR3, 0xC0);
codec_reg_clear(A_CODEC_PMR2, GIM);
pcm_ioctl(PCM_SET_PLAY, 0);
break;
case PCM_SET_RECORD:
#ifdef KPRINTF_DEF
kprintf("pcm_ioctl, PCM_SET_RECORD\n");
#endif
jz_audio_reset();
codec_reg_clear(A_CODEC_CR1, SB_MICBIAS);
codec_reg_write(A_CODEC_CR3, 0x40);
codec_reg_set(A_CODEC_PMR2, GIM);
codec_reg_set(A_CODEC_PMR1, SB_LIN);
codec_reg_set(A_CODEC_CR2, ADC_HPF);
codec_reg_clear(A_CODEC_PMR1, SB_ADC);
codec_reg_write(A_CODEC_CGR10, 0x88);
break;
case PCM_SET_RECORD_FM:
#ifdef KPRINTF_DEF
kprintf("pcm_ioctl, PCM_SET_RECORD_FM\n");
#endif
jz_audio_reset();
codec_reg_clear(A_CODEC_CR1, DACSEL);
codec_reg_set(A_CODEC_CR2, ADC_HPF);
codec_reg_write(A_CODEC_CGR10, 0xff);
break;
case PCM_RESET:
#ifdef KPRINTF_DEF
kprintf("pcm_ioctl, PCM_RESET\n");
#endif
CLRREG32(A_DMA_DCS(PLAYBACK_CHANNEL), DCS_AR | DCS_HLT | DCS_CTE | DCS_CT);
break;
case PCM_GET_HP_VOL:
return get_volume_reg();
case PCM_GET_VOL:
return get_volume_reg();
case PCM_POWER_OFF:
#ifdef KPRINTF_DEF
kprintf("pcm_ioctl, PCM_POWER_OFF\n");
#endif
codec_reg_set(A_CODEC_CR1, DAC_MUTE);
return 1;
case PCM_POWER_ON:
#ifdef KPRINTF_DEF
kprintf("pcm_ioctl, PCM_POWER_ON\n");
#endif
codec_reg_clear(A_CODEC_CR1, DAC_MUTE);
return 1;
default:
#ifdef KPRINTF_DEF
kprintf("pcm_ioctl:Unsupported I/O command: %08x\n", cmd);
#endif
return -1;
}
return 0;
}
