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Diffstat (limited to 'uClinux-2.4.20-uc1/drivers/sound/w90n745_i2s.c')
-rw-r--r--uClinux-2.4.20-uc1/drivers/sound/w90n745_i2s.c1354
1 files changed, 677 insertions, 677 deletions
diff --git a/uClinux-2.4.20-uc1/drivers/sound/w90n745_i2s.c b/uClinux-2.4.20-uc1/drivers/sound/w90n745_i2s.c
index 87cc6a9..3e31e20 100644
--- a/uClinux-2.4.20-uc1/drivers/sound/w90n745_i2s.c
+++ b/uClinux-2.4.20-uc1/drivers/sound/w90n745_i2s.c
@@ -1,677 +1,677 @@
-/****************************************************************************
- *
- * Copyright (c) 2004 - 2007 Winbond Electronics Corp. All rights reserved.
- *
- *
- * FILENAME
- * w90n745_I2S.c
- *
- * VERSION
- * 1.0
- *
- * DESCRIPTION
- * IIS for PCM3003E codec
- *
- * DATA STRUCTURES
- * None
- *
- * FUNCTIONS
- *
- * HISTORY
- * 2004.07.16 Created by Shih-Jen Lu
- * 2005.11.24 Modified by PC34 QFu
- *
- * REMARK
- * None
- *
- **************************************************************************/
-#include <linux/soundcard.h>
-#include <linux/delay.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-
-#include "w90n745_audio_regs.h"
-#include "w90n745_audio.h"
-
-#include "w90n745_i2s.h"
-
-//#define I2S_DEBUG
-//#define I2S_DEBUG_ENTER_LEAVE
-//#define I2S_DEBUG_MSG
-//#define I2S_DEBUG_MSG2
-
-
-#ifdef I2S_DEBUG
-#define DBG(fmt, arg...) printk(fmt, ##arg)
-#else
-#define DBG(fmt, arg...)
-#endif
-
-#ifdef I2S_DEBUG_ENTER_LEAVE
-#define ENTER() DBG("[%-10s] : Enter\n", __FUNCTION__)
-#define LEAVE() DBG("[%-10s] : Leave\n", __FUNCTION__)
-#else
-#define ENTER()
-#define LEAVE()
-#endif
-
-#ifdef I2S_DEBUG_MSG
-#define MSG(fmt) DBG("[%-10s] : "fmt, __FUNCTION__)
-#else
-#define MSG(fmt)
-#endif
-
-#ifdef I2S_DEBUG_MSG2
-#define MSG2(fmt, arg...) DBG("[%-10s] : "fmt, __FUNCTION__, ##arg)
-#else
-#define MSG2(fmt, arg...)
-#endif
-
-static AUDIO_T _tIIS;
-
-#define AUDIO_WRITE(addr, val) writel(val, addr)
-#define AUDIO_READ(addr) readl(addr)
-
-#define Delay(time) udelay(time * 10)
-
-#define MSB_FORMAT 1
-#define IIS_FORMAT 2
-
-static int _bIISActive = 0;
-static UINT32 _uIISCR = 0;
-
-#define WMDEVID 0
-
-#define UINT8 unsigned char
-
-/*----- set data format -----*/
-static void IIS_Set_Data_Format(int choose_format)
-{
-
- ENTER();
-
- switch(choose_format){
- case IIS_FORMAT: _uIISCR = _uIISCR | IIS;
- break;
- case MSB_FORMAT: _uIISCR = _uIISCR | MSB_Justified;
- break;
- default:break;
- }
- AUDIO_WRITE(REG_ACTL_IISCON,_uIISCR);
-
- LEAVE();
-}
-
-/*----- set sample Frequency -----*/
-static void IIS_Set_Sample_Frequency(int choose_sf)
-{
-
- ENTER();
-
- switch (choose_sf)
- {
- case AU_SAMPLE_RATE_8000: //8KHz
- _uIISCR = _uIISCR | FS_256 | SCALE_4 | BCLK_48;
-
- break;
- case AU_SAMPLE_RATE_11025: //11.025KHz
- _uIISCR = _uIISCR | FS_256 | SCALE_4 | BCLK_48;
-
- break;
- case AU_SAMPLE_RATE_16000: //16KHz
- _uIISCR = _uIISCR | FS_256 | SCALE_2 | BCLK_48;
-
- break;
- case AU_SAMPLE_RATE_22050: //22.05KHz
- _uIISCR = _uIISCR | FS_256 | SCALE_3 | BCLK_32;
-
- break;
- case AU_SAMPLE_RATE_24000: //24KHz
- _uIISCR = _uIISCR | FS_256 | SCALE_2 | BCLK_32;
-
- break;
- case AU_SAMPLE_RATE_32000: //32KHz
- _uIISCR = _uIISCR | SCALE_1 | FS_256 | BCLK_48;
-
- break;
- case AU_SAMPLE_RATE_44100: //44.1KHz
- _uIISCR = _uIISCR | SCALE_1 | FS_256 | BCLK_48;
-
- break;
- case AU_SAMPLE_RATE_48000: //48KHz
- _uIISCR = _uIISCR | FS_256 | SCALE_1 | BCLK_32;
-
- break;
- default:break;
- }
- AUDIO_WRITE(REG_ACTL_IISCON,_uIISCR);
-
- if(choose_sf == AU_SAMPLE_RATE_44100 || choose_sf ==AU_SAMPLE_RATE_22050 || choose_sf ==AU_SAMPLE_RATE_11025 ){
- //outpw(REG_APLLCON, 0x642D);//16.934
- //outpw(REG_CLKDIV0, (inpw(REG_CLKDIV0) & 0xFF0FFFFF) | 0x300000);
- AUDIO_WRITE(0xfff00010, 0x2601);//PLLCON 390Mhz
- AUDIO_WRITE(0xfff00014, 0x116);// divide by 23
- }else
- {
- AUDIO_WRITE(0xfff00010, 0x2f01);//PLLCON 480Mhz
- AUDIO_WRITE(0xfff00014, 0x126);// divide by 39
- }
-
- LEAVE();
-}
-
-static INT iis_reset(void)
-{
- ENTER();
-
- AUDIO_WRITE(REG_CLKSEL, AUDIO_READ(REG_CLKSEL) | 0x10000);
-
- AUDIO_WRITE(0xFFF83000,0x155);//GPIO_CFG0 PT0CFG0~4
- AUDIO_WRITE(0xFFF83004,0x1d);//GPIO1:In GPIO0,2,3,4:Out
-
- /* reset audio interface */
- AUDIO_WRITE(REG_ACTL_RESET,AUDIO_READ(REG_ACTL_RESET) | ACTL_RESET_BIT);
- Delay(100);
- AUDIO_WRITE(REG_ACTL_RESET,AUDIO_READ(REG_ACTL_RESET) & ~ACTL_RESET_BIT);
- Delay(100);
-
- /* reset IIS interface */
- AUDIO_WRITE(REG_ACTL_RESET,AUDIO_READ(REG_ACTL_RESET) | IIS_RESET);
- Delay(100);
- AUDIO_WRITE(REG_ACTL_RESET,AUDIO_READ(REG_ACTL_RESET) & ~IIS_RESET);
- Delay(100);
-
- /* enable audio controller and IIS interface */
- AUDIO_WRITE(REG_ACTL_CON, AUDIO_READ (REG_ACTL_CON) | AUDCLK_EN | PFIFO_EN | DMA_EN | IIS_EN | AUDIO_EN | RFIFO_EN | T_DMA_IRQ | R_DMA_IRQ);
-
-#if 0
- /* use GPIO 17 18 19 as L3 interface control pin */
- //writew(REG_GPIO_OE,readw(REG_GPIO_OE) & ~(1 << L3MODE_GPIO_NUM | 1<< L3CLOCK_GPIO_NUM | 1<< L3DATA_GPIO_NUM));
- AUDIO_WRITE(REG_GPIO_CFG,AUDIO_READ(REG_GPIO_CFG) & ~(0x3F<<14));
- AUDIO_WRITE(REG_GPIO_DIR,AUDIO_READ(REG_GPIO_DIR) | L3MODE_GPIO_NUM | L3CLOCK_GPIO_NUM | L3DATA_GPIO_NUM);
-
- /* set volume, dsp power up and no de-emph.no mute of external codec, from L3 */
-#endif
-
- _uIISCR = 0;
-
- LEAVE();
-
- return 0;
-}
-
-
-VOID i2sSetPlaySampleRate(INT nSamplingRate)
-{
- _tIIS.nPlaySamplingRate = nSamplingRate;
-}
-
-VOID i2sSetRecordSampleRate(INT nSamplingRate)
-{
- _tIIS.nRecSamplingRate = nSamplingRate;
-}
-
-
-VOID i2sSetPlayCallBackFunction(AU_CB_FUN_T fnCallBack)
-{
- _tIIS.fnPlayCallBack = fnCallBack;
-}
-
-VOID i2sSetRecordCallBackFunction(AU_CB_FUN_T fnCallBack)
-{
- _tIIS.fnRecCallBack = fnCallBack;
-}
-
-/*************************************************************************/
-/* */
-/* FUNCTION */
-/* i2sStartPlay */
-/* */
-/* DESCRIPTION */
-/* Start IIS playback. */
-/* */
-/* INPUTS */
-/* fnCallBack client program provided callback function. The audio */
-/* driver will call back to get next block of PCM data */
-/* nSamplingRate the playback sampling rate. Supported sampling */
-/* rate are 48000, 44100, 32000, 24000, 22050, 16000, */
-/* 11025, and 8000 Hz */
-/* */
-/* OUTPUTS */
-/* None */
-/* */
-/* RETURN */
-/* 0 Success */
-/* Otherwise error */
-/* */
-/*************************************************************************/
-static int i2sStartPlay(AU_CB_FUN_T fnCallBack, INT nSamplingRate,
- INT nChannels)
-{
- INT nStatus /* ,L3status */;
-
- ENTER();
-
- if (_bIISActive & IIS_PLAY_ACTIVE){
- MSG("IIS already playing\n");
- return ERR_IIS_PLAY_ACTIVE; /* IIS was playing */
- }
-
- //printk("SamplingRate : %d Channels : %d\n", nSamplingRate, nChannels);
-
- if (_bIISActive == 0)
- {
- AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) & ~ PLAY_LEFT_CHNNEL & ~ PLAY_RIGHT_CHNNEL);
- AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) | PLAY_RIGHT_CHNNEL);
- if (nChannels == AU_CH_STEREO)
- AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) | PLAY_LEFT_CHNNEL);
- nStatus = iis_reset();
- if (nStatus < 0)
- return nStatus;
- }
-
-// enable_irq(AU_PLAY_INT_NUM);
- Enable_Int(AU_PLAY_INT_NUM);
-
- i2sSetPlayCallBackFunction(fnCallBack);
- i2sSetPlaySampleRate(nSamplingRate);
-
-#if 0
- /* set play sampling rate and data format */
- //L3status = L3_Set_Sample_Frequency(nSamplingRate);
- //L3status = L3status | L3_Set_Data_Format(data_format);
-
- //L3_Set_Data(EX_DAC_On);
- //L3_Set_Status(L3status);
-#endif
-
-
- IIS_Set_Sample_Frequency(nSamplingRate);
- IIS_Set_Data_Format(MSB_FORMAT);
-
-
- /* set DMA play destination base address */
- AUDIO_WRITE(REG_ACTL_PDSTB, _tIIS.uPlayBufferAddr);
-
- /* set DMA play buffer length */
- AUDIO_WRITE(REG_ACTL_PDST_LENGTH, _tIIS.uPlayBufferLength);
-
- MSG2("DMA Buffer : %x, Length : %x\n", _tIIS.uPlayBufferAddr,_tIIS.uPlayBufferLength);
-
- /* call back to fill DMA play buffer */
- //_tIIS.fnPlayCallBack((UINT8 *)_tIIS.uDMABufferAddr, _tIIS.uDMABufferLength/2);
- //_tIIS.fnPlayCallBack((UINT8 *)(_tIIS.uDMABufferAddr + _tIIS.uDMABufferLength/2),
- // _tIIS.uDMABufferLength/2);
-
- /* start playing */
- MSG("IIS start playing...\n");
- AUDIO_WRITE(REG_ACTL_PSR, 0x3);
- AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) | IIS_PLAY);
- _bIISActive |= IIS_PLAY_ACTIVE;
-
- LEAVE();
-
- return 0;
-}
-
-
-/*************************************************************************/
-/* */
-/* FUNCTION */
-/* i2sStopPlay */
-/* */
-/* DESCRIPTION */
-/* Stop IIS playback immdediately. */
-/* */
-/* INPUTS */
-/* None */
-/* */
-/* OUTPUTS */
-/* None */
-/* */
-/* RETURN */
-/* 0 Success */
-/* Otherwise error */
-/* */
-/*************************************************************************/
-static void i2sStopPlay(void)
-{
- ENTER();
-
- AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) & ~(PLAY_RIGHT_CHNNEL | PLAY_LEFT_CHNNEL));
-
- if (!(_bIISActive & IIS_PLAY_ACTIVE))
- return;
-
- MSG("IIS stop playing\n");
-
- /* stop playing */
- while( AUDIO_READ(REG_ACTL_RESET) & IIS_PLAY )
- AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) & ~IIS_PLAY);
-
- _bIISActive &= ~IIS_PLAY_ACTIVE;
-
- /* disable audio play interrupt */
- if (!_bIISActive)
- Disable_Int(AU_PLAY_INT_NUM);
-
-
- LEAVE();
-
- return;
-}
-
-
-/*************************************************************************/
-/* */
-/* FUNCTION */
-/* i2sStartRecord */
-/* */
-/* DESCRIPTION */
-/* Start IIS record. */
-/* */
-/* INPUTS */
-/* fnCallBack client program provided callback function. The audio */
-/* driver will call back to deliver the newly recorded */
-/* block of PCM data */
-/* nSamplingRate the record sampling rate. Supported sampling */
-/* rate are 48000, 44100, 32000, 24000, 22050, 16000, */
-/* 11025, and 8000 Hz */
-/* */
-/* OUTPUTS */
-/* None */
-/* */
-/* RETURN */
-/* 0 Success */
-/* Otherwise error */
-/* */
-/*************************************************************************/
-static int i2sStartRecord(AU_CB_FUN_T fnCallBack, INT nSamplingRate,
- INT nChannels)
-{
- INT nStatus /* ,L3status */;
-
- ENTER();
-
- if (_bIISActive & IIS_REC_ACTIVE)
- return ERR_IIS_REC_ACTIVE; /* IIS was recording */
-
- AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) & ~(RECORD_LEFT_CHNNEL & RECORD_RIGHT_CHNNEL));
- AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) | RECORD_LEFT_CHNNEL);
- if (nChannels != 1)
- AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) | RECORD_RIGHT_CHNNEL);
-
- if (_bIISActive == 0)
- {
- nStatus = iis_reset();
- if (nStatus < 0)
- return nStatus;
- }
-
- Enable_Int(AU_REC_INT_NUM);
-
- i2sSetRecordCallBackFunction(fnCallBack);
- i2sSetRecordSampleRate(nSamplingRate);
-
-#if 0
- /* set record sampling rate and data format */
- //L3status = L3_Set_Sample_Frequency(nSamplingRate);
- //L3status = L3status | L3_Set_Data_Format(MSB_FORMAT);
-
- //L3_Set_Data(EX_ADC_On);
- //L3_Set_Status(L3status);
-#endif
-
- IIS_Set_Sample_Frequency(nSamplingRate);
- IIS_Set_Data_Format(MSB_FORMAT);
-
-
-
- /* set DMA record destination base address */
- AUDIO_WRITE(REG_ACTL_RDSTB, _tIIS.uRecordBufferAddr);
-
- /* set DMA record buffer length */
- AUDIO_WRITE(REG_ACTL_RDST_LENGTH, _tIIS.uRecordBufferLength);
-
- /* start recording */
- MSG("IIS start recording...\n");
- AUDIO_WRITE(REG_ACTL_RSR, 0x3);
- AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) | IIS_RECORD);
- _bIISActive |= IIS_REC_ACTIVE;
-
- LEAVE();
-
- return 0;
-}
-
-
-/*************************************************************************/
-/* */
-/* FUNCTION */
-/* i2sStopRecord */
-/* */
-/* DESCRIPTION */
-/* Stop IIS record immediately. */
-/* */
-/* INPUTS */
-/* None */
-/* */
-/* OUTPUTS */
-/* None */
-/* */
-/* RETURN */
-/* 0 Success */
-/* Otherwise error */
-/* */
-/*************************************************************************/
-static void i2sStopRecord(void)
-{
- ENTER();
-
- AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) & ~(RECORD_RIGHT_CHNNEL | RECORD_LEFT_CHNNEL));
-
- if (!(_bIISActive & IIS_REC_ACTIVE))
- return;
-
- MSG("IIS stop recording\n");
-
- /* stop recording */
- AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) & ~IIS_RECORD);
-
- _bIISActive &= ~IIS_REC_ACTIVE;
- /* disable audio record interrupt */
- if (!_bIISActive)
- Disable_Int(AU_PLAY_INT_NUM);
-
-
- LEAVE();
-
- return;
-}
-
-
-/*************************************************************************/
-/* */
-/* FUNCTION */
-/* i2sSetPlayVolume */
-/* */
-/* DESCRIPTION */
-/* Set i2S left and right channel play volume. */
-/* */
-/* INPUTS */
-/* ucLeftVol play volume of left channel */
-/* ucRightVol play volume of left channel */
-/* 0: mute */
-/* 1: minimal volume */
-/* 31: maxmum volume */
-/* */
-/* OUTPUTS */
-/* None */
-/* */
-/* RETURN */
-/* 0 Success */
-/* Otherwise error */
-/* */
-/*************************************************************************/
-static int i2sSetPlayVolume(UINT32 ucLeftVol, UINT32 ucRightVol) //0~31
-{
- ENTER();
-
- if (ucLeftVol>31)
- ucLeftVol=31;
- if (ucRightVol>31)
- ucRightVol=31;
-
- //printk("Set IIS Play volume to : %d-%d\n", ucLeftVol, ucRightVol);
-
- _tIIS.sPlayVolume = 0x3F - ucLeftVol*2;
-
-#if 0
- /*----- Address Mode -----*/
- L3_Address_Mode(EX_1345ADDR | EX_DATA);//set the DATA(volumn,de-emphasis, mute, and power control)
- /*----- Data Transfer Mode -----*/
- L3_Data_Transfer_Mode((UINT8)_tIIS.sPlayVolume);
-#endif
-
- LEAVE();
-
- return 0;
-}
-
-static int i2sSetRecordVolume(UINT32 ucLeftVol, UINT32 ucRightVol)
-{
- ENTER();
-
- LEAVE();
-
- return 0;
-
-}
-
-static void i2sSetPlayBuffer(UINT32 uDMABufferAddr, UINT32 uDMABufferLength)
-{
- ENTER();
-
- _tIIS.uPlayBufferAddr = uDMABufferAddr;
- _tIIS.uPlayBufferLength = uDMABufferLength;
-
- LEAVE();
-}
-
-static void i2sSetRecordBuffer(UINT32 uDMABufferAddr, UINT32 uDMABufferLength)
-{
- ENTER();
-
- _tIIS.uRecordBufferAddr = uDMABufferAddr;
- _tIIS.uRecordBufferLength = uDMABufferLength;
-
- LEAVE();
-}
-
-static void iis_play_isr(void)
-{
- int bPlayLastBlock = 0;
-
- ENTER();
-
- MSG2("[DMA:S:%x,L:%x,C:%x]\n",
- AUDIO_READ(REG_ACTL_PDSTB),
- AUDIO_READ(REG_ACTL_PDST_LENGTH),
- AUDIO_READ(REG_ACTL_PDSTC));
-
-
- AUDIO_WRITE(REG_ACTL_CON, AUDIO_READ(REG_ACTL_CON) | T_DMA_IRQ);
-
- if (AUDIO_READ(REG_ACTL_PSR) & P_DMA_MIDDLE_IRQ)
- {
- AUDIO_WRITE(REG_ACTL_PSR, P_DMA_MIDDLE_IRQ);
- bPlayLastBlock = _tIIS.fnPlayCallBack(_tIIS.uPlayBufferAddr,
- _tIIS.uPlayBufferLength/2);
- }
- else if (AUDIO_READ(REG_ACTL_PSR) & P_DMA_END_IRQ)
- {
- AUDIO_WRITE(REG_ACTL_PSR, P_DMA_END_IRQ);
- bPlayLastBlock = _tIIS.fnPlayCallBack(_tIIS.uPlayBufferAddr + _tIIS.uPlayBufferLength/2,
- _tIIS.uPlayBufferLength/2);
- }
-
-
- /* check whether the next block is ready. If not, stop play */
-
- if (bPlayLastBlock)
- {
- AUDIO_WRITE(REG_ACTL_PSR, P_DMA_MIDDLE_IRQ | P_DMA_END_IRQ);
-// i2sStopPlay();
- }
-
-
- LEAVE();
-
-}
-
-
-static void iis_rec_isr(void)
-{
- int bPlayLastBlock = 0;
-
- ENTER();
-
- AUDIO_WRITE(REG_ACTL_CON, AUDIO_READ(REG_ACTL_CON) | R_DMA_IRQ);
-
- if (AUDIO_READ(REG_ACTL_RSR) & R_DMA_MIDDLE_IRQ)
- {
- AUDIO_WRITE(REG_ACTL_RSR, R_DMA_MIDDLE_IRQ);
- bPlayLastBlock = _tIIS.fnRecCallBack(_tIIS.uRecordBufferAddr, _tIIS.uRecordBufferLength/2);
- }
- else if (AUDIO_READ(REG_ACTL_RSR) & R_DMA_END_IRQ)
- {
- AUDIO_WRITE(REG_ACTL_RSR, R_DMA_END_IRQ);
- bPlayLastBlock = _tIIS.fnRecCallBack(_tIIS.uRecordBufferAddr + _tIIS.uRecordBufferLength/2,
- _tIIS.uRecordBufferLength/2);
- }
-
- /* check whether the next block is token away. If not, stop record */
-
- if (bPlayLastBlock)
- {
- AUDIO_WRITE(REG_ACTL_RSR, R_DMA_MIDDLE_IRQ | R_DMA_END_IRQ);
- }
-
- LEAVE();
-}
-
-
-INT i2sInit(VOID)
-{
- int nStatus = 0;
-
- AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) &~PLAY_LEFT_CHNNEL &~PLAY_RIGHT_CHNNEL);
- AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) &~RECORD_LEFT_CHNNEL &~RECORD_RIGHT_CHNNEL);
-
- nStatus = iis_reset();
- if (nStatus < 0)
- return nStatus;
-
- return 0;
-}
-
-static INT i2sGetCapacity(VOID)
-{
- return DSP_CAP_DUPLEX; /* support full duplex */
-}
-
-WB_AUDIO_CODEC_T wb_i2s_codec = {
- dev: AU_DEV_IIS,
- get_capacity: i2sGetCapacity,
- set_play_buffer: i2sSetPlayBuffer,
- set_record_buffer: i2sSetRecordBuffer,
- reset: i2sInit,
- start_play: i2sStartPlay,
- stop_play: i2sStopPlay,
- start_record: i2sStartRecord,
- stop_record: i2sStopRecord,
- set_play_volume: i2sSetPlayVolume,
- set_record_volume: i2sSetRecordVolume, /* not supprted */
- play_interrupt: iis_play_isr,
- record_interrupt: iis_rec_isr,
-};
+/****************************************************************************
+ *
+ * Copyright (c) 2004 - 2007 Winbond Electronics Corp. All rights reserved.
+ *
+ *
+ * FILENAME
+ * w90n745_I2S.c
+ *
+ * VERSION
+ * 1.0
+ *
+ * DESCRIPTION
+ * IIS for PCM3003E codec
+ *
+ * DATA STRUCTURES
+ * None
+ *
+ * FUNCTIONS
+ *
+ * HISTORY
+ * 2004.07.16 Created by Shih-Jen Lu
+ * 2005.11.24 Modified by PC34 QFu
+ *
+ * REMARK
+ * None
+ *
+ **************************************************************************/
+#include <linux/soundcard.h>
+#include <linux/delay.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+
+#include "w90n745_audio_regs.h"
+#include "w90n745_audio.h"
+
+#include "w90n745_i2s.h"
+
+//#define I2S_DEBUG
+//#define I2S_DEBUG_ENTER_LEAVE
+//#define I2S_DEBUG_MSG
+//#define I2S_DEBUG_MSG2
+
+
+#ifdef I2S_DEBUG
+#define DBG(fmt, arg...) printk(fmt, ##arg)
+#else
+#define DBG(fmt, arg...)
+#endif
+
+#ifdef I2S_DEBUG_ENTER_LEAVE
+#define ENTER() DBG("[%-10s] : Enter\n", __FUNCTION__)
+#define LEAVE() DBG("[%-10s] : Leave\n", __FUNCTION__)
+#else
+#define ENTER()
+#define LEAVE()
+#endif
+
+#ifdef I2S_DEBUG_MSG
+#define MSG(fmt) DBG("[%-10s] : "fmt, __FUNCTION__)
+#else
+#define MSG(fmt)
+#endif
+
+#ifdef I2S_DEBUG_MSG2
+#define MSG2(fmt, arg...) DBG("[%-10s] : "fmt, __FUNCTION__, ##arg)
+#else
+#define MSG2(fmt, arg...)
+#endif
+
+static AUDIO_T _tIIS;
+
+#define AUDIO_WRITE(addr, val) writel(val, addr)
+#define AUDIO_READ(addr) readl(addr)
+
+#define Delay(time) udelay(time * 10)
+
+#define MSB_FORMAT 1
+#define IIS_FORMAT 2
+
+static int _bIISActive = 0;
+static UINT32 _uIISCR = 0;
+
+#define WMDEVID 0
+
+#define UINT8 unsigned char
+
+/*----- set data format -----*/
+static void IIS_Set_Data_Format(int choose_format)
+{
+
+ ENTER();
+
+ switch(choose_format){
+ case IIS_FORMAT: _uIISCR = _uIISCR | IIS;
+ break;
+ case MSB_FORMAT: _uIISCR = _uIISCR | MSB_Justified;
+ break;
+ default:break;
+ }
+ AUDIO_WRITE(REG_ACTL_IISCON,_uIISCR);
+
+ LEAVE();
+}
+
+/*----- set sample Frequency -----*/
+static void IIS_Set_Sample_Frequency(int choose_sf)
+{
+
+ ENTER();
+
+ switch (choose_sf)
+ {
+ case AU_SAMPLE_RATE_8000: //8KHz
+ _uIISCR = _uIISCR | FS_256 | SCALE_4 | BCLK_48;
+
+ break;
+ case AU_SAMPLE_RATE_11025: //11.025KHz
+ _uIISCR = _uIISCR | FS_256 | SCALE_4 | BCLK_48;
+
+ break;
+ case AU_SAMPLE_RATE_16000: //16KHz
+ _uIISCR = _uIISCR | FS_256 | SCALE_2 | BCLK_48;
+
+ break;
+ case AU_SAMPLE_RATE_22050: //22.05KHz
+ _uIISCR = _uIISCR | FS_256 | SCALE_3 | BCLK_32;
+
+ break;
+ case AU_SAMPLE_RATE_24000: //24KHz
+ _uIISCR = _uIISCR | FS_256 | SCALE_2 | BCLK_32;
+
+ break;
+ case AU_SAMPLE_RATE_32000: //32KHz
+ _uIISCR = _uIISCR | SCALE_1 | FS_256 | BCLK_48;
+
+ break;
+ case AU_SAMPLE_RATE_44100: //44.1KHz
+ _uIISCR = _uIISCR | SCALE_1 | FS_256 | BCLK_48;
+
+ break;
+ case AU_SAMPLE_RATE_48000: //48KHz
+ _uIISCR = _uIISCR | FS_256 | SCALE_1 | BCLK_32;
+
+ break;
+ default:break;
+ }
+ AUDIO_WRITE(REG_ACTL_IISCON,_uIISCR);
+
+ if(choose_sf == AU_SAMPLE_RATE_44100 || choose_sf ==AU_SAMPLE_RATE_22050 || choose_sf ==AU_SAMPLE_RATE_11025 ){
+ //outpw(REG_APLLCON, 0x642D);//16.934
+ //outpw(REG_CLKDIV0, (inpw(REG_CLKDIV0) & 0xFF0FFFFF) | 0x300000);
+ AUDIO_WRITE(0xfff00010, 0x2601);//PLLCON 390Mhz
+ AUDIO_WRITE(0xfff00014, 0x116);// divide by 23
+ }else
+ {
+ AUDIO_WRITE(0xfff00010, 0x2f01);//PLLCON 480Mhz
+ AUDIO_WRITE(0xfff00014, 0x126);// divide by 39
+ }
+
+ LEAVE();
+}
+
+static INT iis_reset(void)
+{
+ ENTER();
+
+ AUDIO_WRITE(REG_CLKSEL, AUDIO_READ(REG_CLKSEL) | 0x10000);
+
+ AUDIO_WRITE(0xFFF83000,0x155);//GPIO_CFG0 PT0CFG0~4
+ AUDIO_WRITE(0xFFF83004,0x1d);//GPIO1:In GPIO0,2,3,4:Out
+
+ /* reset audio interface */
+ AUDIO_WRITE(REG_ACTL_RESET,AUDIO_READ(REG_ACTL_RESET) | ACTL_RESET_BIT);
+ Delay(100);
+ AUDIO_WRITE(REG_ACTL_RESET,AUDIO_READ(REG_ACTL_RESET) & ~ACTL_RESET_BIT);
+ Delay(100);
+
+ /* reset IIS interface */
+ AUDIO_WRITE(REG_ACTL_RESET,AUDIO_READ(REG_ACTL_RESET) | IIS_RESET);
+ Delay(100);
+ AUDIO_WRITE(REG_ACTL_RESET,AUDIO_READ(REG_ACTL_RESET) & ~IIS_RESET);
+ Delay(100);
+
+ /* enable audio controller and IIS interface */
+ AUDIO_WRITE(REG_ACTL_CON, AUDIO_READ (REG_ACTL_CON) | AUDCLK_EN | PFIFO_EN | DMA_EN | IIS_EN | AUDIO_EN | RFIFO_EN | T_DMA_IRQ | R_DMA_IRQ);
+
+#if 0
+ /* use GPIO 17 18 19 as L3 interface control pin */
+ //writew(REG_GPIO_OE,readw(REG_GPIO_OE) & ~(1 << L3MODE_GPIO_NUM | 1<< L3CLOCK_GPIO_NUM | 1<< L3DATA_GPIO_NUM));
+ AUDIO_WRITE(REG_GPIO_CFG,AUDIO_READ(REG_GPIO_CFG) & ~(0x3F<<14));
+ AUDIO_WRITE(REG_GPIO_DIR,AUDIO_READ(REG_GPIO_DIR) | L3MODE_GPIO_NUM | L3CLOCK_GPIO_NUM | L3DATA_GPIO_NUM);
+
+ /* set volume, dsp power up and no de-emph.no mute of external codec, from L3 */
+#endif
+
+ _uIISCR = 0;
+
+ LEAVE();
+
+ return 0;
+}
+
+
+VOID i2sSetPlaySampleRate(INT nSamplingRate)
+{
+ _tIIS.nPlaySamplingRate = nSamplingRate;
+}
+
+VOID i2sSetRecordSampleRate(INT nSamplingRate)
+{
+ _tIIS.nRecSamplingRate = nSamplingRate;
+}
+
+
+VOID i2sSetPlayCallBackFunction(AU_CB_FUN_T fnCallBack)
+{
+ _tIIS.fnPlayCallBack = fnCallBack;
+}
+
+VOID i2sSetRecordCallBackFunction(AU_CB_FUN_T fnCallBack)
+{
+ _tIIS.fnRecCallBack = fnCallBack;
+}
+
+/*************************************************************************/
+/* */
+/* FUNCTION */
+/* i2sStartPlay */
+/* */
+/* DESCRIPTION */
+/* Start IIS playback. */
+/* */
+/* INPUTS */
+/* fnCallBack client program provided callback function. The audio */
+/* driver will call back to get next block of PCM data */
+/* nSamplingRate the playback sampling rate. Supported sampling */
+/* rate are 48000, 44100, 32000, 24000, 22050, 16000, */
+/* 11025, and 8000 Hz */
+/* */
+/* OUTPUTS */
+/* None */
+/* */
+/* RETURN */
+/* 0 Success */
+/* Otherwise error */
+/* */
+/*************************************************************************/
+static int i2sStartPlay(AU_CB_FUN_T fnCallBack, INT nSamplingRate,
+ INT nChannels)
+{
+ INT nStatus /* ,L3status */;
+
+ ENTER();
+
+ if (_bIISActive & IIS_PLAY_ACTIVE){
+ MSG("IIS already playing\n");
+ return ERR_IIS_PLAY_ACTIVE; /* IIS was playing */
+ }
+
+ //printk("SamplingRate : %d Channels : %d\n", nSamplingRate, nChannels);
+
+ if (_bIISActive == 0)
+ {
+ AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) & ~ PLAY_LEFT_CHNNEL & ~ PLAY_RIGHT_CHNNEL);
+ AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) | PLAY_RIGHT_CHNNEL);
+ if (nChannels == AU_CH_STEREO)
+ AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) | PLAY_LEFT_CHNNEL);
+ nStatus = iis_reset();
+ if (nStatus < 0)
+ return nStatus;
+ }
+
+// enable_irq(AU_PLAY_INT_NUM);
+ Enable_Int(AU_PLAY_INT_NUM);
+
+ i2sSetPlayCallBackFunction(fnCallBack);
+ i2sSetPlaySampleRate(nSamplingRate);
+
+#if 0
+ /* set play sampling rate and data format */
+ //L3status = L3_Set_Sample_Frequency(nSamplingRate);
+ //L3status = L3status | L3_Set_Data_Format(data_format);
+
+ //L3_Set_Data(EX_DAC_On);
+ //L3_Set_Status(L3status);
+#endif
+
+
+ IIS_Set_Sample_Frequency(nSamplingRate);
+ IIS_Set_Data_Format(MSB_FORMAT);
+
+
+ /* set DMA play destination base address */
+ AUDIO_WRITE(REG_ACTL_PDSTB, _tIIS.uPlayBufferAddr);
+
+ /* set DMA play buffer length */
+ AUDIO_WRITE(REG_ACTL_PDST_LENGTH, _tIIS.uPlayBufferLength);
+
+ MSG2("DMA Buffer : %x, Length : %x\n", _tIIS.uPlayBufferAddr,_tIIS.uPlayBufferLength);
+
+ /* call back to fill DMA play buffer */
+ //_tIIS.fnPlayCallBack((UINT8 *)_tIIS.uDMABufferAddr, _tIIS.uDMABufferLength/2);
+ //_tIIS.fnPlayCallBack((UINT8 *)(_tIIS.uDMABufferAddr + _tIIS.uDMABufferLength/2),
+ // _tIIS.uDMABufferLength/2);
+
+ /* start playing */
+ MSG("IIS start playing...\n");
+ AUDIO_WRITE(REG_ACTL_PSR, 0x3);
+ AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) | IIS_PLAY);
+ _bIISActive |= IIS_PLAY_ACTIVE;
+
+ LEAVE();
+
+ return 0;
+}
+
+
+/*************************************************************************/
+/* */
+/* FUNCTION */
+/* i2sStopPlay */
+/* */
+/* DESCRIPTION */
+/* Stop IIS playback immdediately. */
+/* */
+/* INPUTS */
+/* None */
+/* */
+/* OUTPUTS */
+/* None */
+/* */
+/* RETURN */
+/* 0 Success */
+/* Otherwise error */
+/* */
+/*************************************************************************/
+static void i2sStopPlay(void)
+{
+ ENTER();
+
+ AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) & ~(PLAY_RIGHT_CHNNEL | PLAY_LEFT_CHNNEL));
+
+ if (!(_bIISActive & IIS_PLAY_ACTIVE))
+ return;
+
+ MSG("IIS stop playing\n");
+
+ /* stop playing */
+ while( AUDIO_READ(REG_ACTL_RESET) & IIS_PLAY )
+ AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) & ~IIS_PLAY);
+
+ _bIISActive &= ~IIS_PLAY_ACTIVE;
+
+ /* disable audio play interrupt */
+ if (!_bIISActive)
+ Disable_Int(AU_PLAY_INT_NUM);
+
+
+ LEAVE();
+
+ return;
+}
+
+
+/*************************************************************************/
+/* */
+/* FUNCTION */
+/* i2sStartRecord */
+/* */
+/* DESCRIPTION */
+/* Start IIS record. */
+/* */
+/* INPUTS */
+/* fnCallBack client program provided callback function. The audio */
+/* driver will call back to deliver the newly recorded */
+/* block of PCM data */
+/* nSamplingRate the record sampling rate. Supported sampling */
+/* rate are 48000, 44100, 32000, 24000, 22050, 16000, */
+/* 11025, and 8000 Hz */
+/* */
+/* OUTPUTS */
+/* None */
+/* */
+/* RETURN */
+/* 0 Success */
+/* Otherwise error */
+/* */
+/*************************************************************************/
+static int i2sStartRecord(AU_CB_FUN_T fnCallBack, INT nSamplingRate,
+ INT nChannels)
+{
+ INT nStatus /* ,L3status */;
+
+ ENTER();
+
+ if (_bIISActive & IIS_REC_ACTIVE)
+ return ERR_IIS_REC_ACTIVE; /* IIS was recording */
+
+ AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) & ~(RECORD_LEFT_CHNNEL & RECORD_RIGHT_CHNNEL));
+ AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) | RECORD_LEFT_CHNNEL);
+ if (nChannels != 1)
+ AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) | RECORD_RIGHT_CHNNEL);
+
+ if (_bIISActive == 0)
+ {
+ nStatus = iis_reset();
+ if (nStatus < 0)
+ return nStatus;
+ }
+
+ Enable_Int(AU_REC_INT_NUM);
+
+ i2sSetRecordCallBackFunction(fnCallBack);
+ i2sSetRecordSampleRate(nSamplingRate);
+
+#if 0
+ /* set record sampling rate and data format */
+ //L3status = L3_Set_Sample_Frequency(nSamplingRate);
+ //L3status = L3status | L3_Set_Data_Format(MSB_FORMAT);
+
+ //L3_Set_Data(EX_ADC_On);
+ //L3_Set_Status(L3status);
+#endif
+
+ IIS_Set_Sample_Frequency(nSamplingRate);
+ IIS_Set_Data_Format(MSB_FORMAT);
+
+
+
+ /* set DMA record destination base address */
+ AUDIO_WRITE(REG_ACTL_RDSTB, _tIIS.uRecordBufferAddr);
+
+ /* set DMA record buffer length */
+ AUDIO_WRITE(REG_ACTL_RDST_LENGTH, _tIIS.uRecordBufferLength);
+
+ /* start recording */
+ MSG("IIS start recording...\n");
+ AUDIO_WRITE(REG_ACTL_RSR, 0x3);
+ AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) | IIS_RECORD);
+ _bIISActive |= IIS_REC_ACTIVE;
+
+ LEAVE();
+
+ return 0;
+}
+
+
+/*************************************************************************/
+/* */
+/* FUNCTION */
+/* i2sStopRecord */
+/* */
+/* DESCRIPTION */
+/* Stop IIS record immediately. */
+/* */
+/* INPUTS */
+/* None */
+/* */
+/* OUTPUTS */
+/* None */
+/* */
+/* RETURN */
+/* 0 Success */
+/* Otherwise error */
+/* */
+/*************************************************************************/
+static void i2sStopRecord(void)
+{
+ ENTER();
+
+ AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) & ~(RECORD_RIGHT_CHNNEL | RECORD_LEFT_CHNNEL));
+
+ if (!(_bIISActive & IIS_REC_ACTIVE))
+ return;
+
+ MSG("IIS stop recording\n");
+
+ /* stop recording */
+ AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) & ~IIS_RECORD);
+
+ _bIISActive &= ~IIS_REC_ACTIVE;
+ /* disable audio record interrupt */
+ if (!_bIISActive)
+ Disable_Int(AU_PLAY_INT_NUM);
+
+
+ LEAVE();
+
+ return;
+}
+
+
+/*************************************************************************/
+/* */
+/* FUNCTION */
+/* i2sSetPlayVolume */
+/* */
+/* DESCRIPTION */
+/* Set i2S left and right channel play volume. */
+/* */
+/* INPUTS */
+/* ucLeftVol play volume of left channel */
+/* ucRightVol play volume of left channel */
+/* 0: mute */
+/* 1: minimal volume */
+/* 31: maxmum volume */
+/* */
+/* OUTPUTS */
+/* None */
+/* */
+/* RETURN */
+/* 0 Success */
+/* Otherwise error */
+/* */
+/*************************************************************************/
+static int i2sSetPlayVolume(UINT32 ucLeftVol, UINT32 ucRightVol) //0~31
+{
+ ENTER();
+
+ if (ucLeftVol>31)
+ ucLeftVol=31;
+ if (ucRightVol>31)
+ ucRightVol=31;
+
+ //printk("Set IIS Play volume to : %d-%d\n", ucLeftVol, ucRightVol);
+
+ _tIIS.sPlayVolume = 0x3F - ucLeftVol*2;
+
+#if 0
+ /*----- Address Mode -----*/
+ L3_Address_Mode(EX_1345ADDR | EX_DATA);//set the DATA(volumn,de-emphasis, mute, and power control)
+ /*----- Data Transfer Mode -----*/
+ L3_Data_Transfer_Mode((UINT8)_tIIS.sPlayVolume);
+#endif
+
+ LEAVE();
+
+ return 0;
+}
+
+static int i2sSetRecordVolume(UINT32 ucLeftVol, UINT32 ucRightVol)
+{
+ ENTER();
+
+ LEAVE();
+
+ return 0;
+
+}
+
+static void i2sSetPlayBuffer(UINT32 uDMABufferAddr, UINT32 uDMABufferLength)
+{
+ ENTER();
+
+ _tIIS.uPlayBufferAddr = uDMABufferAddr;
+ _tIIS.uPlayBufferLength = uDMABufferLength;
+
+ LEAVE();
+}
+
+static void i2sSetRecordBuffer(UINT32 uDMABufferAddr, UINT32 uDMABufferLength)
+{
+ ENTER();
+
+ _tIIS.uRecordBufferAddr = uDMABufferAddr;
+ _tIIS.uRecordBufferLength = uDMABufferLength;
+
+ LEAVE();
+}
+
+static void iis_play_isr(void)
+{
+ int bPlayLastBlock = 0;
+
+ ENTER();
+
+ MSG2("[DMA:S:%x,L:%x,C:%x]\n",
+ AUDIO_READ(REG_ACTL_PDSTB),
+ AUDIO_READ(REG_ACTL_PDST_LENGTH),
+ AUDIO_READ(REG_ACTL_PDSTC));
+
+
+ AUDIO_WRITE(REG_ACTL_CON, AUDIO_READ(REG_ACTL_CON) | T_DMA_IRQ);
+
+ if (AUDIO_READ(REG_ACTL_PSR) & P_DMA_MIDDLE_IRQ)
+ {
+ AUDIO_WRITE(REG_ACTL_PSR, P_DMA_MIDDLE_IRQ);
+ bPlayLastBlock = _tIIS.fnPlayCallBack(_tIIS.uPlayBufferAddr,
+ _tIIS.uPlayBufferLength/2);
+ }
+ else if (AUDIO_READ(REG_ACTL_PSR) & P_DMA_END_IRQ)
+ {
+ AUDIO_WRITE(REG_ACTL_PSR, P_DMA_END_IRQ);
+ bPlayLastBlock = _tIIS.fnPlayCallBack(_tIIS.uPlayBufferAddr + _tIIS.uPlayBufferLength/2,
+ _tIIS.uPlayBufferLength/2);
+ }
+
+
+ /* check whether the next block is ready. If not, stop play */
+
+ if (bPlayLastBlock)
+ {
+ AUDIO_WRITE(REG_ACTL_PSR, P_DMA_MIDDLE_IRQ | P_DMA_END_IRQ);
+// i2sStopPlay();
+ }
+
+
+ LEAVE();
+
+}
+
+
+static void iis_rec_isr(void)
+{
+ int bPlayLastBlock = 0;
+
+ ENTER();
+
+ AUDIO_WRITE(REG_ACTL_CON, AUDIO_READ(REG_ACTL_CON) | R_DMA_IRQ);
+
+ if (AUDIO_READ(REG_ACTL_RSR) & R_DMA_MIDDLE_IRQ)
+ {
+ AUDIO_WRITE(REG_ACTL_RSR, R_DMA_MIDDLE_IRQ);
+ bPlayLastBlock = _tIIS.fnRecCallBack(_tIIS.uRecordBufferAddr, _tIIS.uRecordBufferLength/2);
+ }
+ else if (AUDIO_READ(REG_ACTL_RSR) & R_DMA_END_IRQ)
+ {
+ AUDIO_WRITE(REG_ACTL_RSR, R_DMA_END_IRQ);
+ bPlayLastBlock = _tIIS.fnRecCallBack(_tIIS.uRecordBufferAddr + _tIIS.uRecordBufferLength/2,
+ _tIIS.uRecordBufferLength/2);
+ }
+
+ /* check whether the next block is token away. If not, stop record */
+
+ if (bPlayLastBlock)
+ {
+ AUDIO_WRITE(REG_ACTL_RSR, R_DMA_MIDDLE_IRQ | R_DMA_END_IRQ);
+ }
+
+ LEAVE();
+}
+
+
+INT i2sInit(VOID)
+{
+ int nStatus = 0;
+
+ AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) &~PLAY_LEFT_CHNNEL &~PLAY_RIGHT_CHNNEL);
+ AUDIO_WRITE(REG_ACTL_RESET, AUDIO_READ(REG_ACTL_RESET) &~RECORD_LEFT_CHNNEL &~RECORD_RIGHT_CHNNEL);
+
+ nStatus = iis_reset();
+ if (nStatus < 0)
+ return nStatus;
+
+ return 0;
+}
+
+static INT i2sGetCapacity(VOID)
+{
+ return DSP_CAP_DUPLEX; /* support full duplex */
+}
+
+WB_AUDIO_CODEC_T wb_i2s_codec = {
+ dev: AU_DEV_IIS,
+ get_capacity: i2sGetCapacity,
+ set_play_buffer: i2sSetPlayBuffer,
+ set_record_buffer: i2sSetRecordBuffer,
+ reset: i2sInit,
+ start_play: i2sStartPlay,
+ stop_play: i2sStopPlay,
+ start_record: i2sStartRecord,
+ stop_record: i2sStopRecord,
+ set_play_volume: i2sSetPlayVolume,
+ set_record_volume: i2sSetRecordVolume, /* not supprted */
+ play_interrupt: iis_play_isr,
+ record_interrupt: iis_rec_isr,
+};
generated by cgit v0.12 at 2024-05-03 23:21:26 (GMT)