--- a/sound/soc/Kconfig
+++ b/sound/soc/Kconfig
@@ -56,6 +56,7 @@ source "sound/soc/spear/Kconfig"
 source "sound/soc/tegra/Kconfig"
 source "sound/soc/txx9/Kconfig"
 source "sound/soc/ux500/Kconfig"
+source "sound/soc/mtk/Kconfig"
 
 # Supported codecs
 source "sound/soc/codecs/Kconfig"
--- a/sound/soc/Makefile
+++ b/sound/soc/Makefile
@@ -33,3 +33,4 @@ obj-$(CONFIG_SND_SOC)	+= spear/
 obj-$(CONFIG_SND_SOC)	+= tegra/
 obj-$(CONFIG_SND_SOC)	+= txx9/
 obj-$(CONFIG_SND_SOC)	+= ux500/
+obj-$(CONFIG_SND_SOC)   += mtk/
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -725,7 +725,7 @@ config SND_SOC_WM8955
 	tristate
 
 config SND_SOC_WM8960
-	tristate
+	tristate "WM8960"
 
 config SND_SOC_WM8961
 	tristate
--- /dev/null
+++ b/sound/soc/mtk/Kconfig
@@ -0,0 +1,35 @@
+config SND_MT76XX_SOC
+	tristate "SoC Audio for MT76XX APSoC Machine"
+	depends on SND_SOC && (SOC_MT7620 || SOC_MT7621)
+
+	help
+	  Say Y or M if you want to add support for codecs attached to
+	  the MTK I2S interface.
+
+choice
+	prompt "Selected SoC type"
+	depends on SND_MT76XX_SOC
+	default SND_MT76XX_SOC_MT7620
+
+config SND_MT76XX_SOC_MT7620
+	bool "MT7620"
+	depends on SOC_MT7620
+
+config SND_MT76XX_SOC_MT7628
+	bool "MT7628"
+	depends on SOC_MT7620
+
+config SND_MT76XX_SOC_MT7621
+	bool "MT7621"
+	depends on SOC_MT7621
+
+endchoice
+
+config SND_MT76XX_PCM
+	tristate "MTK SoC Audio PCM Platform"
+	depends on SND_MT76XX_SOC
+
+config SND_MT76XX_I2S
+	tristate "MTK SoC I2S Support"
+	depends on SND_MT76XX_SOC
+
--- /dev/null
+++ b/sound/soc/mtk/Makefile
@@ -0,0 +1,40 @@
+KBUILD_CFLAGS += -I$(srctree)
+
+ifeq ($(CONFIG_SND_MT76XX_SOC_MT7620),y)
+KBUILD_CFLAGS += -DCONFIG_MT7620 -DCONFIG_RALINK_MT7620
+endif
+ifeq ($(CONFIG_SND_MT76XX_SOC_MT7628),y)
+KBUILD_CFLAGS += -DCONFIG_MT7628 -DCONFIG_RALINK_MT7628
+endif
+ifeq ($(CONFIG_SOC_MT7620),y)
+KBUILD_CFLAGS += -DRALINK_SYSCTL_BASE=0xB0000000
+KBUILD_CFLAGS += -DRALINK_INTCL_BASE=0xB0000200
+KBUILD_CFLAGS += -DRALINK_PIO_BASE=0xB0000600
+KBUILD_CFLAGS += -DRALINK_I2S_BASE=0xB0000A00
+KBUILD_CFLAGS += -DRALINK_GDMA_BASE=0xB0002800
+KBUILD_CFLAGS += -DCONFIG_GDMA_EVERYBODY
+KBUILD_CFLAGS += -DCONFIG_SND_MT76XX_SOC
+KBUILD_CFLAGS += -DCONFIG_I2S_WM8960
+#KBUILD_CFLAGS += -DCONFIG_I2S_MCLK_12P288MHZ
+KBUILD_CFLAGS += -DCONFIG_I2S_MCLK_12MHZ
+KBUILD_CFLAGS += -DCONFIG_GDMA_EVERYBODY
+KBUILD_CFLAGS += -DSURFBOARDINT_DMA=15
+KBUILD_CFLAGS += -DRALINK_INTCTL_DMA=128
+KBUILD_CFLAGS += -DCONFIG_SND_SOC_WM8960
+endif
+
+# MTK APSoC Platform Support
+snd-soc-mt76xx-i2s-ctl-objs := i2s_ctrl.o i2s_debug.o #i2c_wm8960.o
+snd-soc-mt76xx-pcm-objs := mt76xx_pcm.o
+snd-soc-mt76xx-i2s-objs := mt76xx_i2s.o
+
+obj-$(CONFIG_SND_MT76XX_PCM) += snd-soc-mt76xx-pcm.o
+obj-$(CONFIG_SND_MT76XX_I2S) += snd-soc-mt76xx-i2s-ctl.o snd-soc-mt76xx-i2s.o
+
+# MTK APSoC Machine Support
+snd-soc-mt76xx-machine-objs := mt76xx_machine.o
+
+obj-$(CONFIG_SND_MT76XX_SOC) += i2c_wm8960.o ralink_gdma.o snd-soc-mt76xx-machine.o
+
+
+
--- /dev/null
+++ b/sound/soc/mtk/i2c_wm8960.c
@@ -0,0 +1,492 @@
+#include <linux/kernel.h>
+#include <linux/version.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/fs.h>
+#include <linux/fcntl.h>
+#include <linux/cdev.h>
+#if defined(CONFIG_ARCH_MT7623)
+#include <mt_i2c.h>
+#include <mach/mt_gpio.h>
+#endif
+#include "i2c_wm8960.h"
+#include "i2s_ctrl.h"
+
+
+#define BUF_SIZE		20
+
+#undef MSG
+#define MSG printk
+
+
+#if defined(CONFIG_ARCH_MT7623)
+/*FIXME*/
+//static struct i2c_board_info __initdata i2c_devs1 = { I2C_BOARD_INFO("codec_wm8960", (0X34>>1))};
+static struct i2c_board_info __initdata i2c_devs1 = { I2C_BOARD_INFO("codec_wm8960", (0X34))};
+
+#endif
+unsigned long wm_reg_data[56];
+struct wm8960_data *wmio;
+
+struct wm8960_data {
+	struct i2c_client	*client;
+	struct device	    *dev;
+	const char 			*name;
+};
+
+
+void i2c_WM8960_write(u32 reg, u32 data)
+{
+	int ret;
+        struct i2c_msg msg;
+	u8 buf[2]={0};
+
+#if defined(CONFIG_ARCH_MT7623)
+	unsigned int ext_flag = 0;
+	
+	ext_flag &= 0x7FFFFFFF;
+	ext_flag |= I2C_A_FILTER_MSG;
+	ext_flag |= I2C_POLLING_FLAG;
+#endif
+
+	wm_reg_data[reg] = data;
+	
+	buf[0]= (reg<<1)|(0x01&(data>>8));
+	buf[1]= (data&0xFF);
+
+#if defined(CONFIG_ARCH_MT7623)
+	/*FIXME*/
+	//msg.addr = wmio->client->addr;
+	msg.addr = wmio->client->addr>>1;
+
+#else	
+        msg.addr = wmio->client->addr>>1;
+#endif
+     	msg.flags = 0;
+        msg.buf = (char *)buf;
+	msg.len = 2;
+#if defined(CONFIG_ARCH_MT7623)
+	msg.timing = 80;
+	msg.ext_flag = ext_flag & 0x7FFFFFFF;
+#endif
+
+        ret = i2c_transfer(wmio->client->adapter, &msg, 1);
+	MSG("[WM8960(%02X)=0x%08X]\n",(unsigned int)reg,(unsigned int)data);	
+
+        if (ret <= 0)
+                printk("%s: i2c write error!\n", __func__);
+}
+
+
+
+// Reset and power up the WM8960 
+void audiohw_preinit(void)
+{
+	memset(wm_reg_data, 0 , sizeof(unsigned long)*55);
+
+	i2c_WM8960_write(RESET, RESET_RESET);    // Reset (0x0F)
+	
+ 	mdelay(50);	
+	wm_reg_data[RESET] = 0xFFFF;
+	mdelay(50);	
+}
+
+void audiohw_set_apll(int srate)
+{
+	unsigned long data;
+
+	if((srate==8000) || (srate==12000) || (srate==16000) || (srate==24000) || (srate==32000) || (srate==48000))
+	{
+		// Provide 12.288MHz SYSCLK 
+		data = wm_reg_data[PLL1];	
+        	i2c_WM8960_write(PLL1, data | PLL1_OPCLKDIV_1 | PLL1_SDM_FRACTIONAL | PLL1_PLLPRESCALE_1 | PLL1_PLLN(0x8));   // PLL1 (0x34)
+        	
+		i2c_WM8960_write(PLL2, PLL2_PLLK_23_16(0x31));  // PLL2 (0x35)
+        	i2c_WM8960_write(PLL3, PLL3_PLLK_15_8(0x26));  // PLL3 (0x36)
+		i2c_WM8960_write(PLL4, PLL4_PLLK_7_0(0xe9));  // PLL4 (0x37)
+	}
+	else if ((srate==11025) || (srate==22050) || (srate==44100))
+	{
+		//Provide 11.2896MHz SYSCLK 
+		data = wm_reg_data[PLL1];	
+        	i2c_WM8960_write(PLL1, data | PLL1_OPCLKDIV_1 | PLL1_SDM_FRACTIONAL | PLL1_PLLPRESCALE_1 | PLL1_PLLN(0x7));   //PLL1 (0x34)
+        	
+		i2c_WM8960_write(PLL2, PLL2_PLLK_23_16(0x86));  //PLL2 (0x35) 
+        	i2c_WM8960_write(PLL3, PLL3_PLLK_15_8(0xc2));  //PLL3 (0x36)
+		i2c_WM8960_write(PLL4, PLL4_PLLK_7_0(0x26));  //PLL4 (0x37)
+	}
+	else
+	{
+		printk("Not support this srate\n");
+	}
+	mdelay(3);
+}
+
+
+void audiohw_set_frequency(int fsel, int pll_en)
+{
+        MSG("audiohw_set_frequency_=0x%08X\n",fsel);
+
+	if (pll_en)
+	{
+		printk("PLL enable\n");
+		i2c_WM8960_write(CLOCKING1, (fsel<<3) | CLOCKING1_SYSCLKDIV_2 | CLOCKING1_CLKSEL_PLL);  //CLOCKING (0x04)=>0x05 
+
+	}
+	else
+	{
+		printk("PLL disable\n");
+		i2c_WM8960_write(CLOCKING1, (fsel<<3));//| CLOCKING1_SYSCLKDIV_2);  //CLOCKING (0x04) 
+	}
+	
+}
+
+//FIXME 
+int audiohw_set_lineout_vol(int Aout, int vol_l, int vol_r)
+{
+	MSG("audiohw_set_lineout_vol_\n");
+	switch(Aout)
+	{
+	case 1:
+		//i2c_WM8960_write(LOUT1, LOUT1_LO1VU|LOUT1_LO1ZC|LOUT1_LOUT1VOL(0x7f)); //LOUT1(0x02) 
+		//i2c_WM8960_write(ROUT1, ROUT1_RO1VU|ROUT1_RO1ZC|ROUT1_ROUT1VOL(0x7f)); //ROUT1(0x03) 
+		i2c_WM8960_write(LOUT1, LOUT1_LO1VU|LOUT1_LO1ZC|LOUT1_LOUT1VOL(vol_l)); //LOUT1(0x02) 
+		i2c_WM8960_write(ROUT1, ROUT1_RO1VU|ROUT1_RO1ZC|ROUT1_ROUT1VOL(vol_r)); //ROUT1(0x03) 
+		break;
+	case 2:
+    		i2c_WM8960_write(LSPK, LSPK_SPKLVU|LSPK_SPKLZC| LSPK_SPKLVOL(vol_l));
+    		i2c_WM8960_write(RSPK, RSPK_SPKRVU|RSPK_SPKRZC| RSPK_SPKRVOL(vol_r));
+		break;
+	default:
+		break;
+	}	
+    	return 0;
+}
+
+//FIXME 
+int audiohw_set_linein_vol(int vol_l, int vol_r)
+{
+	MSG("audiohw_set_linein_vol_\n");
+	
+    i2c_WM8960_write(LINV, LINV_IPVU|LINV_LINVOL(vol_l)); //LINV(0x00)=>0x12b 
+	i2c_WM8960_write(RINV, RINV_IPVU|RINV_RINVOL(vol_r)); //LINV(0x01)=>0x12b 
+
+    	return 0;
+}
+
+//Set signal path
+int audiohw_postinit(int bSlave, int AIn, int AOut, int pll_en, int wordLen24b)
+{
+
+	int i;
+	unsigned long data;
+
+	if(wm_reg_data[RESET]!=0xFFFF)
+    	return 0;
+	
+	if(bSlave)
+	{ 
+		MSG("WM8960 slave.....\n");
+		if(wordLen24b)
+		{
+			printk("24 bit word length\n");
+			i2c_WM8960_write(AINTFCE1, AINTFCE1_WL_24 | AINTFCE1_FORMAT_I2S); //AINTFCE1(0x07) 
+		}
+		else
+		{
+			printk("16 bit word length\n");
+			i2c_WM8960_write(AINTFCE1, AINTFCE1_WL_16 | AINTFCE1_FORMAT_I2S); //AINTFCE1(0x07) 
+		}
+	}	
+	else
+	{
+		MSG("WM8960 master.....\n");
+		i2c_WM8960_write(CLOCKING2, 0x1c4);//CLOCKING2_BCLKDIV(0x1c4));  //CLOCKING2(0x08) 
+
+		if(wordLen24b)
+		{
+			printk("24 bit word length\n");
+			i2c_WM8960_write(AINTFCE1, AINTFCE1_MS | AINTFCE1_WL_24 | AINTFCE1_FORMAT_I2S); //AINTFCE1(0x07) 
+		}
+		else
+		{
+			printk("16 bit word length\n");
+			i2c_WM8960_write(AINTFCE1, AINTFCE1_MS | AINTFCE1_WL_16 | AINTFCE1_FORMAT_I2S); //AINTFCE1(0x07) 
+		}
+		mdelay(5);
+	}
+
+	
+	//From app notes: allow Vref to stabilize to reduce clicks 
+	for(i = 0; i < 1000*HZ; i++);
+	
+	if(AIn > 0)
+	{
+       		data = wm_reg_data[PWRMGMT1];
+   		i2c_WM8960_write(PWRMGMT1, data|PWRMGMT1_ADCL|PWRMGMT1_ADCR|PWRMGMT1_AINL |PWRMGMT1_AINR);//|PWRMGMT1_MICB);//PWRMGMT1(0x19) 
+
+		data = wm_reg_data[ADDITIONAL1];
+		i2c_WM8960_write(ADDITIONAL1, data|ADDITIONAL1_DATSEL(0x01)); //ADDITIONAL1(0x17) 
+		i2c_WM8960_write(LADCVOL, LADCVOL_LAVU_EN|LADCVOL_LADCVOL(0xc3)); //LADCVOL(0x15) 
+		i2c_WM8960_write(RADCVOL, RADCVOL_RAVU_EN|RADCVOL_RADCVOL(0xc3)); //RADCVOL(0x16) 
+		i2c_WM8960_write(ADCLPATH, ADCLPATH_LMN1|ADCLPATH_LMIC2B);//|ADCLPATH_LMICBOOST_13DB); //ADCLPATH(0x20)=>(0x108)
+		i2c_WM8960_write(ADCRPATH, ADCRPATH_RMN1|ADCRPATH_RMIC2B);//|ADCRPATH_RMICBOOST_13DB); //ADCRPATH(0x21)=>(0x108)
+		i2c_WM8960_write(PWRMGMT3, PWRMGMT3_LMIC|PWRMGMT3_RMIC); //PWRMGMT3(0x2f) 
+	
+		//i2c_WM8960_write(LINBMIX, 0x000); //LINBMIX(0x2B) 
+		
+		if (AOut<=0)
+		{
+			i2c_WM8960_write(AINTFCE2, 0x40); //FIXME:(0x09) 
+
+			data = wm_reg_data[PWRMGMT2];
+			if(pll_en)
+			{
+				i2c_WM8960_write(PWRMGMT2, data|PWRMGMT2_PLL_EN|PWRMGMT2_DACL|PWRMGMT2_DACR); //PWRMGMT2(0x1a) 
+			}
+			else
+			{
+				i2c_WM8960_write(PWRMGMT2, data|PWRMGMT2_DACL|PWRMGMT2_DACR); //PWRMGMT2(0x1a) 
+
+			}
+		}
+	}
+	if(AOut>0)
+	{
+		//Power management 2 setting 
+		data = wm_reg_data[PWRMGMT2];
+
+		if(pll_en)
+		{
+			i2c_WM8960_write(PWRMGMT2, data|PWRMGMT2_PLL_EN|PWRMGMT2_DACL|PWRMGMT2_DACR|PWRMGMT2_LOUT1|PWRMGMT2_ROUT1|PWRMGMT2_SPKL|PWRMGMT2_SPKR); //PWRMGMT2(0x1a) 
+		}
+		else
+		{
+			i2c_WM8960_write(PWRMGMT2, data|PWRMGMT2_DACL|PWRMGMT2_DACR|PWRMGMT2_LOUT1|PWRMGMT2_ROUT1|PWRMGMT2_SPKL|PWRMGMT2_SPKR); //PWRMGMT2(0x1a) 
+
+		}
+		
+		mdelay(10);
+
+		i2c_WM8960_write(AINTFCE2, 0x40); //FIXME:(0x09) 
+
+		i2c_WM8960_write(LEFTGAIN, LEFTGAIN_LDVU|LEFTGAIN_LDACVOL(0xff)); //LEFTGAIN(0x0a) 
+		i2c_WM8960_write(RIGHTGAIN, RIGHTGAIN_RDVU|RIGHTGAIN_RDACVOL(0xff)); //RIGHTGAIN(0x0b)
+
+		i2c_WM8960_write(LEFTMIX1, 0x100);  //LEFTMIX1(0x22) 
+		i2c_WM8960_write(RIGHTMIX2, 0x100); //RIGHTMIX2(0x25) 
+
+		data = wm_reg_data[PWRMGMT3]; //FIXME
+		i2c_WM8960_write(PWRMGMT3, data|PWRMGMT3_ROMIX|PWRMGMT3_LOMIX); //PWRMGMT3(0x2f) 
+
+		data = wm_reg_data[CLASSDCTRL1]; //CLASSDCTRL1(0x31) SPEAKER FIXME
+		i2c_WM8960_write(CLASSDCTRL1, 0xf7);//data|CLASSDCTRL1_OP_LRSPK);
+
+		data = wm_reg_data[CLASSDCTRL3];	//CLASSDCTRL3(0x33) 
+		i2c_WM8960_write(CLASSDCTRL3, 0xad);//data|(0x1b));
+	}
+
+	i2c_WM8960_write(DACCTRL1, 0x000);  //DACCTRL1(0x05) 
+
+	data = wm_reg_data[PWRMGMT1];
+	i2c_WM8960_write(PWRMGMT1, data|0x1c0); //FIXME:PWRMGMT1(0x19)
+	
+
+	printk("WM8960 All initial ok!\n");
+
+	return 0;
+	
+}
+
+void audiohw_micboost(int boostgain)
+{
+	unsigned long data;
+
+	data =  wm_reg_data[ADCLPATH];
+	i2c_WM8960_write(ADCLPATH, data|(boostgain << 4));
+
+	data =  wm_reg_data[ADCRPATH];
+	i2c_WM8960_write(ADCRPATH, data|(boostgain << 4));
+}
+
+void audiohw_micin(int enableMic)
+{
+	unsigned long data;
+	
+	if (enableMic==1)
+	{
+		data =  wm_reg_data[PWRMGMT1];
+		i2c_WM8960_write(PWRMGMT1, data|PWRMGMT1_MICB);
+	}
+#if 1
+	else
+	{
+		data =  wm_reg_data[PWRMGMT1];
+		i2c_WM8960_write(PWRMGMT1, data & (~(PWRMGMT1_MICB)));
+	}
+#endif
+}
+
+void audiohw_mute( bool mute)
+{
+    //Mute:   Set DACMU = 1 to soft-mute the audio DACs. 
+    //Unmute: Set DACMU = 0 to soft-un-mute the audio DACs. 
+    i2c_WM8960_write(DACCTRL1, mute ? DACCTRL1_DACMU : 0);
+}
+
+
+//Nice shutdown of WM8960 codec 
+void audiohw_close(void)
+{
+	i2c_WM8960_write(DACCTRL1,DACCTRL1_DACMU); //0x05->0x08 
+	i2c_WM8960_write(PWRMGMT1, 0x000); //0x19->0x000 
+	mdelay(400);
+	i2c_WM8960_write(PWRMGMT2, 0x000); //0x1a->0x000 
+
+}
+
+void audiohw_loopback(int fsel)
+{
+}
+
+void audiohw_codec_exlbk(void)
+{
+	memset(wm_reg_data, 0 , sizeof(unsigned long)*55);
+
+	i2c_WM8960_write(LINV, 0x117); //0x00->0x117 
+	i2c_WM8960_write(RINV, 0x117); //0x01->0x117 
+	i2c_WM8960_write(LOUT1, 0x179); //0x02->0x179 
+	i2c_WM8960_write(ROUT1, 0x179); //0x03->0x179 
+	i2c_WM8960_write(CLOCKING1, 0x00); //0x04->0x00 
+	//i2c_WM8960_write(CLOCKING1, 0x40); //0x04->0x00 
+	i2c_WM8960_write(DACCTRL1, 0x00); //0x05->0x00 
+	i2c_WM8960_write(AINTFCE2, 0x41); //0x09->0x41 
+	i2c_WM8960_write(LADCVOL, 0x1c3); //0x15->0x1c3 
+	i2c_WM8960_write(RADCVOL, 0x1c3); //0x16->0x1c3 
+	i2c_WM8960_write(PWRMGMT1, 0xfc); //0x19->0xfc 
+	i2c_WM8960_write(PWRMGMT2, 0x1e0); //0x1a->0x1e0 
+	i2c_WM8960_write(ADCLPATH, 0x108); //0x20->0x108 
+	i2c_WM8960_write(ADCRPATH, 0x108); //0x21->0x108 
+	i2c_WM8960_write(LEFTMIX1, 0x150); //0x22->0x150 
+	i2c_WM8960_write(RIGHTMIX2, 0x150); //0x25->0x150 
+	i2c_WM8960_write(BYPASS1, 0x00); //0x2d->0x00 
+	i2c_WM8960_write(BYPASS2, 0x00); //0x2e->0x00 
+	i2c_WM8960_write(PWRMGMT3, 0x3c); //0x2f->0x3c 
+}
+
+void audiohw_bypass(void)
+{
+	int i;
+
+	memset(wm_reg_data, 0 , sizeof(unsigned long)*55);
+	i2c_WM8960_write(RESET, 0x000);    //0x0f(R15)->0x000 
+	
+	for(i = 0; i < 1000*HZ; i++);
+
+	i2c_WM8960_write(PWRMGMT1, 0xf0); //0x19(R25)->0xf0 
+	i2c_WM8960_write(PWRMGMT2, 0x60); //0x1a(R26)->0x60 
+	i2c_WM8960_write(PWRMGMT3, 0x3c); //0x2f(R47)->0x3c 
+	i2c_WM8960_write(LINV, 0x117); // 0x00(R0)->0x117 
+	i2c_WM8960_write(RINV, 0x117); // 0x01(R1)->0x117 
+	i2c_WM8960_write(ADCLPATH, 0x108); //0x20(R32)->0x108 
+	i2c_WM8960_write(ADCRPATH, 0x108); //0x21(R33)->0x108 
+	i2c_WM8960_write(BYPASS1, 0x80); //0x2d(R45)->0x80 
+	i2c_WM8960_write(BYPASS2, 0x80); //0x2e(R46)->0x80 
+	i2c_WM8960_write(LOUT1, 0x179); // 0x02(R2)->0x179 
+	i2c_WM8960_write(ROUT1, 0x179); // 0x03(R3)->0x179 
+}
+EXPORT_SYMBOL(audiohw_set_frequency);
+EXPORT_SYMBOL(audiohw_close);
+EXPORT_SYMBOL(audiohw_postinit);
+EXPORT_SYMBOL(audiohw_preinit);
+EXPORT_SYMBOL(audiohw_set_apll);
+EXPORT_SYMBOL(audiohw_codec_exlbk);
+EXPORT_SYMBOL(audiohw_bypass);
+EXPORT_SYMBOL(audiohw_set_lineout_vol);
+EXPORT_SYMBOL(audiohw_set_linein_vol);
+EXPORT_SYMBOL(audiohw_micin);
+EXPORT_SYMBOL(audiohw_mute);
+EXPORT_SYMBOL(audiohw_loopback);
+EXPORT_SYMBOL(audiohw_micboost);
+
+static int codec_wm8960_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id)
+{
+	struct wm8960_data *wm;
+
+printk("*******Enter %s********\n", __func__);
+
+	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C))
+		return -EIO;
+	
+	wm = devm_kzalloc(&client->dev, sizeof(struct wm8960_data), GFP_KERNEL);	
+	if (!wm)
+		return -ENOMEM;
+
+#if defined(CONFIG_ARCH_MT7623)
+	mt_set_gpio_mode(GPIO242, GPIO_MODE_04);
+        mt_set_gpio_mode(GPIO243, GPIO_MODE_04);	
+#endif	
+	wm->client = client;
+	wm->dev = &client->dev;
+	wm->name = id->name;
+	i2c_set_clientdata(client, wm);
+	wmio = wm;
+
+	memset(wm_reg_data, 0 , sizeof(unsigned long)*55);
+	
+	return 0;
+}
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0)
+static int codec_wm8960_i2c_remove(struct i2c_client *client)
+#else
+static int __devexit codec_wm8960_i2c_remove(struct i2c_client *client)
+#endif
+{
+	struct wm8960_data *wm = i2c_get_clientdata(client);
+	kfree(wm);
+
+	return 0;
+}
+
+static const struct i2c_device_id wm8960_id[] = {
+	{ "codec_wm8960", 0 },
+	{}
+};
+
+static struct i2c_driver codec_wm8960_i2c_driver = {
+	.driver = {
+		.name	= "codec_wm8960"               
+	},
+	.probe	= codec_wm8960_i2c_probe,
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0)
+        .remove = codec_wm8960_i2c_remove,
+#else
+	.remove	= __devexit_p(codec_wm8960_i2c_remove),
+#endif
+	.id_table = wm8960_id,
+};
+static int __init wm8960_i2c_init(void)
+{
+#if defined(CONFIG_ARCH_MT7623)
+	i2c_register_board_info(1, &i2c_devs1, 1);
+#endif	
+	return i2c_add_driver(&codec_wm8960_i2c_driver);; 
+}
+
+static void __exit wm8960_i2c_exit(void)
+{
+	i2c_del_driver(&codec_wm8960_i2c_driver);
+}
+
+module_init(wm8960_i2c_init);
+module_exit(wm8960_i2c_exit);
+
+MODULE_AUTHOR("Ryder Lee <ryder.lee@mediatek.com>");
+MODULE_DESCRIPTION("WM8960 I2C client driver");
+MODULE_LICENSE("GPL");
+
--- /dev/null
+++ b/sound/soc/mtk/i2c_wm8960.h
@@ -0,0 +1,288 @@
+/* wm8960.h  --  WM8960 Soc Audio driver */
+#ifndef _WM8960_H
+#define _WM8960_H
+
+#define bool	unsigned char
+#define false 0
+#define true 1
+
+/* volume/balance/treble/bass interdependency */
+#define VOLUME_MIN 	-730
+#define VOLUME_MAX  	60
+
+
+/* Register addresses and bits */
+#define OUTPUT_MUTED                	0x2f
+#define OUTPUT_0DB                  	0x79
+
+#define LINV			    	0x00
+#define LINV_IPVU		    	(1 << 8)  /* FIXME */
+#define LINV_LINMUTE		    	(1 << 7)
+#define LINV_LIZC                       (1 << 6)
+#define LINV_LINVOL(x)              	((x) & 0x3f)
+
+#define RINV			    	0x01
+#define RINV_IPVU		    	(1 << 8) /* FIXME */
+#define RINV_RINMUTE		    	(1 << 7)
+#define RINV_RIZC                   	(1 << 6)
+#define RINV_RINVOL(x)              	((x) & 0x3f)
+
+#define LOUT1                       	0x02
+#define LOUT1_LO1VU                 	(1 << 8)
+#define LOUT1_LO1ZC                 	(1 << 7)
+#define LOUT1_LOUT1VOL(x)           	((x) & 0x7f)
+
+#define ROUT1                       	0x03
+#define ROUT1_RO1VU                 	(1 << 8)
+#define ROUT1_RO1ZC                 	(1 << 7)
+#define ROUT1_ROUT1VOL(x)           	((x) & 0x7f)
+
+#define CLOCKING1			0x04  /* FIXME */
+#define CLOCKING1_ADCDIV(x)		(((x) & 0x7) << 6)
+#define CLOCKING1_DACDIV(x)		(((x) & 0x7) << 3)
+#define CLOCKING1_SYSCLKDIV_1		(0 << 1)
+#define CLOCKING1_SYSCLKDIV_2		(2 << 1)
+#define CLOCKING1_CLKSEL_MCLK		(0 << 0)
+#define CLOCKING1_CLKSEL_PLL		(1 << 0)
+
+#define DACCTRL1                     	0x05
+#define DACCTRL1_DATTENUATE             (1 << 7)
+#define DACCTRL1_DACMU               	(1 << 3)
+#define DACCTRL1_DEEMPH_48           	(3 << 1)
+#define DACCTRL1_DEEMPH_44           	(2 << 1)
+#define DACCTRL1_DEEMPH_32           	(1 << 1)
+#define DACCTRL1_DEEMPH_NONE         	(0 << 1)
+#define DACCTRL1_DEEMPH(x)           	((x) & (0x3 << 1))
+
+#define DACCTRL2			0x06
+
+#define AINTFCE1                     	0x07
+#define AINTFCE1_BCLKINV             	(1 << 7)
+#define AINTFCE1_MS                  	(1 << 6)
+#define AINTFCE1_LRSWAP              	(1 << 5)
+#define AINTFCE1_LRP                 	(1 << 4)
+#define AINTFCE1_WL_32               	(3 << 2)
+#define AINTFCE1_WL_24                  (2 << 2)
+#define AINTFCE1_WL_20                  (1 << 2)
+#define AINTFCE1_WL_16               	(0 << 2)
+#define AINTFCE1_WL(x)               	(((x) & 0x3) << 2)
+#define AINTFCE1_FORMAT_DSP             (3 << 0)
+#define AINTFCE1_FORMAT_I2S             (2 << 0)
+#define AINTFCE1_FORMAT_LJUST           (1 << 0)
+#define AINTFCE1_FORMAT_RJUST        	(0 << 0)
+#define AINTFCE1_FORMAT(x)           	((x) & 0x3)
+
+/* FIXME */
+#define CLOCKING2                    	0x08
+#define CLOCKING2_DCLKDIV(x)            (((x) & 0x7) << 6)
+#define CLOCKING2_BCLKDIV(x)		(((x) & 0xf) << 0)
+
+#define AINTFCE2			0x09
+#define AINTFCE2_ALRCGPIO_ALRC		(0 << 6)
+#define	AINTFCE2_ALRCGPIO_GPIO		(1 << 6)
+#define	AINTFCE2_LOOPBACK		(1 << 0)
+
+#define LEFTGAIN                    	0x0a
+#define LEFTGAIN_LDVU                   (1 << 8)
+#define LEFTGAIN_LDACVOL(x)         	((x) & 0xff)
+
+#define RIGHTGAIN                   	0x0b
+#define RIGHTGAIN_RDVU                  (1 << 8)
+#define RIGHTGAIN_RDACVOL(x)        	((x) & 0xff)
+
+#define RESET                       	0x0f
+#define RESET_RESET                 	0x000
+
+#define ALC1			    	0x11
+#define ALC1_ALCOFF		    	(0x0 << 7)
+#define	ALC1_ALCRONLY		    	(0x1 << 7)
+#define ALC1_ALCLONLY		    	(0x2 << 7)
+#define ALC1_ALCSTEREO		    	(0x3 << 7)
+#define ALC1_ALCSEL(x)		    	(((x) & 0x3) << 7)
+#define ALC1_SET_MAXGAIN(x)	    	((x & 0x7) << 4)
+#define ALC1_GET_MAXGAIN(x)	    	((x) & (0x7 << 4))
+#define ALC1_ALCL(x)		    	((x) & 0x0f)	
+
+#define ALC2			    	0x12
+#define ALC2_MINGAIN(x)               	((x & 0x7) << 4)
+#define ALC2_HLD(x)		    	((x) & 0x0f)
+
+#define ALC3			    	0x13
+#define ALC3_SET_DCY(x)		    	((x & 0x0f) << 4)
+#define ALC3_GET_DCY(x)		    	((x) & (0x0f << 4))
+#define ALC3_ATK(x)		    	((x) & 0x0f)
+
+#define NOISEGATE		    	0x14
+#define NOISEGATE_SET_NGTH(x)	    	((x & 0x1f) << 3)
+#define NOISEGATE_GET_NGTH(x)	    	((x) & (0x1f << 3))
+#define NOISEGATE_NGAT_ENABLE	    	1
+
+#define LADCVOL			    	0x15
+#define LADCVOL_LAVU_EN		    	(1 << 8)
+#define LADCVOL_LADCVOL(x)	    	((x) & 0x0ff)
+
+#define RADCVOL			    	0x16
+#define RADCVOL_RAVU_EN		    	(1 << 8)
+#define RADCVOL_RADCVOL(x)	    	((x) & 0x0ff)
+
+#define ADDITIONAL1                 	0x17
+#define ADDITIONAL1_TSDEN               (1 << 8)
+#define ADDITIONAL1_VSEL_LOWEST     	(0 << 6)
+#define ADDITIONAL1_VSEL_LOW        	(1 << 6)
+#define ADDITIONAL1_VSEL_DEFAULT2   	(2 << 6)
+#define ADDITIONAL1_VSEL_DEFAULT    	(3 << 6)
+#define ADDITIONAL1_VSEL(x)         	(((x) & 0x3) << 6)
+#define ADDITIONAL1_DMONOMIX_STEREO   	(0 << 4)
+#define ADDITIONAL1_DMONOMIX_MONO   	(1 << 4)
+#define ADDITIONAL1_DATSEL(x)         	(((x) & 0x3) << 2)
+#define ADDITIONAL1_TOCLKSEL            (1 << 1)
+#define ADDITIONAL1_TOEN                (1 << 0)
+
+#define ADDITIONAL2                 	0x18
+#define ADDITIONAL2_HPSWEN              (1 << 6)
+#define ADDITIONAL2_HPSWPOL             (1 << 5)
+#define ADDITIONAL2_TRIS                (1 << 3)
+#define ADDITIONAL2_LRCM_ON         	(1 << 2)
+
+#define PWRMGMT1                    	0x19
+#define PWRMGMT1_VMIDSEL_DISABLED   	(0 << 7)
+#define PWRMGMT1_VMIDSEL_50K        	(1 << 7)
+#define PWRMGMT1_VMIDSEL_250K       	(2 << 7)
+#define PWRMGMT1_VMIDSEL_5K         	(3 << 7)
+#define PWRMGMT1_VREF                   (1 << 6)
+#define PWRMGMT1_AINL                   (1 << 5)
+#define PWRMGMT1_AINR                   (1 << 4)
+#define PWRMGMT1_ADCL                   (1 << 3)
+#define PWRMGMT1_ADCR                   (1 << 2)
+#define PWRMGMT1_MICB                   (1 << 1)
+#define PWRMGMT1_DIGENB                 (1 << 0)
+
+#define PWRMGMT2                    	0x1a
+#define PWRMGMT2_DACL               	(1 << 8)
+#define PWRMGMT2_DACR                   (1 << 7)
+#define PWRMGMT2_LOUT1                  (1 << 6)
+#define PWRMGMT2_ROUT1                  (1 << 5)
+#define PWRMGMT2_SPKL                   (1 << 4)
+#define PWRMGMT2_SPKR                   (1 << 3)
+#define PWRMGMT2_OUT3                   (1 << 1)
+#define PWRMGMT2_PLL_EN                 (1 << 0)
+
+#define ADDITIONAL3                 	0x1b
+#define ADDITIONAL3_VROI            	(1 << 6)
+#define ADDITIONAL3_OUT3CAP             (1 << 3)
+#define ADDITIONAL3_ADC_ALC_SR(x)       ((x) & 0x7)
+
+#define ANTIPOP1			0x1c
+#define ANTIPOP2			0x1d
+
+#define ADCLPATH			0x20
+#define ADCLPATH_LMN1			(1 << 8)
+#define ADCLPATH_LMP3                   (1 << 7)
+#define ADCLPATH_LMP2                   (1 << 6)
+#define ADCLPATH_LMICBOOST_29DB         (0x3 << 4)
+#define ADCLPATH_LMICBOOST_20DB         (0x2 << 4)
+#define ADCLPATH_LMICBOOST_13DB         (0x1 << 4)
+#define ADCLPATH_SET_LMICBOOST(x)       ((x & 0x3) << 4)
+#define ADCLPATH_LMIC2B                 (1 << 3)
+
+
+#define ADCRPATH			0x21
+#define ADCRPATH_RMN1			(1 << 8)
+#define ADCRPATH_RMP3                   (1 << 7)
+#define ADCRPATH_RMP2                   (1 << 6)
+#define ADCRPATH_RMICBOOST_29DB         (0x3 << 4)
+#define ADCRPATH_RMICBOOST_20DB         (0x2 << 4)
+#define ADCRPATH_RMICBOOST_13DB         (0x1 << 4)
+#define ADCRPATH_SET_RMICBOOST(x)       ((x & 0x3) << 4)
+#define ADCRPATH_RMIC2B                 (1 << 3)
+
+
+#define LEFTMIX1                    	0x22
+#define LEFTMIX1_LD2LO              	(1 << 8)
+#define LEFTMIX1_LI2LO                  (1 << 7)
+#define LEFTMIX1_LI2LO_DEFAULT          (5 << 4)
+#define LEFTMIX1_LI2LOVOL(x)            (((x) & 0x7) << 4)
+
+#define RIGHTMIX2                   	0x25
+#define RIGHTMIX2_RD2RO             	(1 << 8)
+#define RIGHTMIX2_RI2RO                 (1 << 7)
+#define RIGHTMIX2_RI2RO_DEFAULT         (5 << 4)
+#define RIGHTMIX2_RI2ROVOL(x)           (((x) & 0x7) << 4)
+
+#define MONOMIX1                    	0x26
+#define MONOMIX1_L2MO              	(1 << 7)
+
+#define MONOMIX2                    	0x27
+#define MONOMIX2_R2MO              	(1 << 7)
+
+#define LSPK                       	0x28
+#define LSPK_SPKLVU                 	(1 << 8)
+#define LSPK_SPKLZC                     (1 << 7)
+#define LSPK_SPKLVOL(x)                 ((x) & 0x7f)
+
+#define RSPK                       	0x29
+#define RSPK_SPKRVU                 	(1 << 8)
+#define RSPK_SPKRZC                     (1 << 7)
+#define RSPK_SPKRVOL(x)                 ((x) & 0x7f)
+
+#define OUT3V                     	0x2a
+#define LINBMIX				0x2b
+#define RINBMIX				0x2c
+#define BYPASS1 			0x2d
+#define BYPASS2				0x2e
+
+#define PWRMGMT3 			0x2f
+#define PWRMGMT3_LMIC			(1<<5)
+#define PWRMGMT3_RMIC                   (1<<4)
+#define PWRMGMT3_LOMIX                  (1<<3)
+#define PWRMGMT3_ROMIX                  (1<<2)
+
+#define ADDITIONAL4 			0x30
+
+#define CLASSDCTRL1 			0x31
+#define CLASSDCTRL1_OP_OFF		(0<<6)
+#define CLASSDCTRL1_OP_LSPK		(1<<6)
+#define CLASSDCTRL1_OP_RSPK		(2<<6)
+#define CLASSDCTRL1_OP_LRSPK		(3<<6)
+
+#define CLASSDCTRL3			0x33
+
+#define PLL1				0x34
+#define PLL1_OPCLKDIV_1			(0<<6)
+#define PLL1_OPCLKDIV_2			(1<<6)
+#define PLL1_OPCLKDIV_3			(2<<6)
+#define PLL1_OPCLKDIV_4			(3<<6)
+#define	PLL1_OPCLKDIV_5p5		(4<<6)
+#define	PLL1_OPCLKDIV_6			(5<<6)
+#define PLL1_SDM_INTERGER		(0<<5)
+#define PLL1_SDM_FRACTIONAL		(1<<5)
+#define PLL1_PLLPRESCALE_1		(0<<4)
+#define PLL1_PLLPRESCALE_2		(1<<4)
+#define PLL1_PLLN(x)			((x) & 0xf)
+
+#define PLL2				0x35
+#define	PLL2_PLLK_23_16(x)		((x) & 0x1ff)
+
+#define PLL3				0x36
+#define PLL3_PLLK_15_8(x)		((x) & 0x1ff)
+
+#define PLL4				0x37
+#define PLL4_PLLK_7_0(x) 		((x) & 0x1ff)
+
+/* codec API */
+void audiohw_preinit(void);
+int audiohw_postinit(int bSlave, int AIn, int AOut, int pll_en, int wordLen24b);
+void audiohw_close(void);
+void audiohw_set_frequency(int fsel, int pll_en);
+void audiohw_mute(bool mute);
+void audiohw_micboost(int boostgain);
+void audiohw_micin(int enableMic);
+void audiohw_set_apll(int srate);
+int audiohw_set_lineout_vol(int Aout, int vol_l, int vol_r);
+int audiohw_set_linein_vol(int vol_l, int vol_r);
+void audiohw_mute( bool mute);
+void audiohw_loopback(int fsel);
+void audiohw_codec_exlbk(void);
+void audiohw_bypass(void);
+
+#endif /* _WM875x_H */
--- /dev/null
+++ b/sound/soc/mtk/i2s_ctrl.c
@@ -0,0 +1,3524 @@
+#include <linux/init.h>
+#include <linux/version.h>
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,35)
+#include <linux/sched.h>
+#endif
+#include <linux/module.h>
+#include <linux/kernel.h> /* _printk() */
+#include <linux/slab.h> /* kmalloc() */
+#include <linux/fs.h> /* everything... */
+#include <linux/errno.h> /* error codes */
+#include <linux/types.h> /* size_t */
+#include <linux/proc_fs.h>
+#include <linux/fcntl.h> /* O_ACCMODE */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,10,14)
+#include <asm/system.h> /* cli(), *_flags */
+#endif
+#include <asm/uaccess.h> /* copy_from/to_user */
+#include <linux/interrupt.h>
+#include <linux/mm.h>
+#include <linux/mm_types.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include "ralink_gdma.h"
+#if defined(CONFIG_I2S_WITH_AEC)
+#include "../aec/aec_api.h"
+#endif
+
+#ifdef  CONFIG_DEVFS_FS
+#include <linux/devfs_fs_kernel.h>
+static	devfs_handle_t devfs_handle;
+#endif
+
+#include "i2s_ctrl.h"
+
+#if defined(CONFIG_SND_MT76XX_SOC)
+#include <sound/soc/mtk/mt76xx_machine.h>
+#endif
+
+#if defined(CONFIG_I2S_WM8750)
+#include "../codec/i2c_wm8750.h"
+#endif
+#if defined(CONFIG_I2S_WM8751)
+#include "../codec/i2c_wm8751.h"
+#endif
+#if defined(CONFIG_I2S_WM8960)
+#include "i2c_wm8960.h"
+#endif
+
+static int i2sdrv_major =  191;
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,35)
+#else
+static struct class *i2smodule_class;
+#endif
+
+static int _printk(char *fmt, ...)
+{
+	return 0;
+}
+
+/* external functions declarations */
+#if defined(CONFIG_I2S_WM8960)
+extern void audiohw_set_frequency(int fsel, int codec_pll_en);
+void audiohw_set_apll(int srate);
+#elif defined(CONFIG_I2S_WM8750)||defined(CONFIG_I2S_WM8751)
+extern void audiohw_set_frequency(int fsel);
+#endif
+#if defined(CONFIG_I2S_WM8960)||defined(CONFIG_I2S_WM8750)||defined(CONFIG_I2S_WM8751)
+extern int audiohw_set_lineout_vol(int Aout, int vol_l, int vol_r);
+extern int audiohw_set_master_vol(int vol_l, int vol_r);
+extern int audiohw_set_linein_vol(int vol_l, int vol_r);
+#endif
+
+extern void audiohw_micboost(int boostgain);
+
+extern int GdmaI2sTx(uint32_t Src, uint32_t Dst, uint8_t TxNo, uint16_t TransCount,
+                void (*DoneIntCallback)(uint32_t data),
+                void (*UnMaskIntCallback)(uint32_t data));
+
+extern int GdmaI2sRx(uint32_t Src, uint32_t Dst, uint8_t RxNo, uint16_t TransCount,
+                void (*DoneIntCallback)(uint32_t data),
+                void (*UnMaskIntCallback)(uint32_t data));
+
+extern int GdmaMaskChannel(uint32_t ChNum);
+
+extern int GdmaUnMaskChannel(uint32_t ChNum);
+
+/* internal functions declarations */
+irqreturn_t i2s_irq_isr(int irq, void *irqaction);
+int i2s_debug_cmd(unsigned int cmd, unsigned long arg);
+
+/* forward declarations for _fops */
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,35)
+static long i2s_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
+#else
+static int i2s_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg);
+#endif
+static int i2s_mmap(struct file *file, struct vm_area_struct *vma);
+static int i2s_open(struct inode *inode, struct file *file);
+static int i2s_release(struct inode *inode, struct file *file);
+int i2s_mmap_alloc(unsigned long size);
+int i2s_mmap_remap(struct vm_area_struct *vma, unsigned long size);
+
+/* global varable definitions */
+i2s_config_type i2s_config;
+i2s_status_type i2s_status; 
+i2s_config_type* pi2s_config = &i2s_config;;
+i2s_status_type* pi2s_status = &i2s_status;;
+
+static inline long
+ugly_hack_sleep_on_timeout(wait_queue_head_t *q, long timeout)
+{
+	unsigned long flags;
+	wait_queue_t wait;
+
+	init_waitqueue_entry(&wait, current);
+
+	__set_current_state(TASK_INTERRUPTIBLE);
+	spin_lock_irqsave(&q->lock, flags);
+	__add_wait_queue(q, &wait);
+	spin_unlock(&q->lock);
+
+	timeout = schedule_timeout(timeout);
+
+	spin_lock_irq(&q->lock);
+	__remove_wait_queue(q, &wait);
+	spin_unlock_irqrestore(&q->lock, flags);
+
+	return timeout;
+}
+
+#define interruptible_sleep_on(x) \
+	ugly_hack_sleep_on_timeout(x, MAX_SCHEDULE_TIMEOUT);
+
+
+#if defined(ARM_ARCH)
+static dma_addr_t i2s_txdma_addr0, i2s_txdma_addr1;
+static dma_addr_t i2s_rxdma_addr0, i2s_rxdma_addr1;
+#define I2S_TX_FIFO_WREG_PHY (I2S_TX_FIFO_WREG & 0x1FFFFFFF)
+#define I2S_RX_FIFO_RREG_PHY (I2S_RX_FIFO_RREG & 0x1FFFFFFF)
+#else
+static dma_addr_t i2s_txdma_addr, i2s_rxdma_addr;
+#endif
+static dma_addr_t i2s_mmap_addr[MAX_I2S_PAGE*2];
+				      /* 8khz 11.025khz 12khz  16khz 22.05khz 24Khz  32khz 44.1khz 48khz 88.2khz 96khz*/
+unsigned long i2s_inclk_15p625Mhz[11] = {60<<8, 43<<8,  40<<8, 30<<8, 21<<8,  19<<8, 14<<8, 10<<8, 9<<8,  7<<8,  4<<8};
+unsigned long i2s_exclk_12p288Mhz[11] = {47<<8, 34<<8,  31<<8, 23<<8, 16<<8,  15<<8, 11<<8,  8<<8, 7<<8,  5<<8,  3<<8};
+unsigned long i2s_exclk_12Mhz[11]     = {46<<8, 33<<8,  30<<8, 22<<8, 16<<8,  15<<8, 11<<8,  8<<8, 7<<8,  5<<8,  3<<8};
+#if defined(CONFIG_I2S_WM8750) || defined(CONFIG_SND_SOC_WM8750)
+					/* 8k  11.025k  12k   16k  22.05k  24k  32k   44.1k   48k  88.2k   96k*/
+unsigned long i2s_codec_12p288Mhz[11]  = {0x0C,  0x00, 0x10, 0x14,  0x38, 0x38, 0x18,  0x20, 0x00,  0x00, 0x1C};
+unsigned long i2s_codec_12Mhz[11]      = {0x0C,  0x32, 0x10, 0x14,  0x37, 0x38, 0x18,  0x22, 0x00,  0x3E, 0x1C};
+unsigned long i2s_codec_24p576Mhz[11]  = {0x4C,  0x00, 0x50, 0x54,  0x00, 0x78, 0x58,  0x00, 0x40,  0x00, 0x5C};
+unsigned long i2s_codec_18p432Mhz[11]  = {0x0e,  0x32, 0x12, 0x16,  0x36, 0x3a, 0x1a,  0x22, 0x02,  0x3e, 0x1e};
+#endif
+#if defined(CONFIG_I2S_WM8751) || defined(CONFIG_SND_SOC_WM8751)
+unsigned long i2s_codec_12p288Mhz[11]  = {0x04,  0x00, 0x10, 0x14,  0x38, 0x38, 0x18,  0x20, 0x00,  0x00, 0x1C};
+unsigned long i2s_codec_12Mhz[11]      = {0x04,  0x32, 0x10, 0x14,  0x37, 0x38, 0x18,  0x22, 0x00,  0x3E, 0x1C};
+#endif
+#if defined(CONFIG_I2S_WM8960) || defined(CONFIG_SND_SOC_WM8960)
+unsigned long i2s_codec_12p288Mhz[11]  = {0x36,  0x24, 0x24, 0x1b,  0x12, 0x12, 0x09,  0x00, 0x00,  0x00, 0x00};
+unsigned long i2s_codec_12Mhz[11]      = {0x36,  0x24, 0x24, 0x1b,  0x12, 0x12, 0x09,  0x00, 0x00,  0x00, 0x00};
+#endif
+EXPORT_SYMBOL(i2s_codec_12p288Mhz);
+EXPORT_SYMBOL(i2s_codec_12Mhz);
+
+#if defined(CONFIG_RALINK_RT6855A)
+				   /* 8K  11.025k  12k   16k  22.05k   24k   32k  44.1K   48k  88.2k  96k */
+unsigned long i2s_inclk_int[11]  = {  97,    70,    65,   48,    35,    32,   24,   17,    16,   12,    8};
+unsigned long i2s_inclk_comp[11] = { 336,   441,    53,  424,   220,   282,  212,  366,   141,  185,   70};
+#elif defined (CONFIG_RALINK_MT7621)
+#ifdef MT7621_ASIC_BOARD
+#if defined (CONFIG_I2S_MCLK_12P288MHZ)
+unsigned long i2s_inclk_int[11]  = { 576,   384,    0,   288,   192,   192,  144,   96,    96,   48,   48};
+unsigned long i2s_inclk_comp[11] = {   0,     0,    0,     0,     0,     0,    0,    0,     0,    0,    0};
+#elif defined(CONFIG_I2S_MCLK_12MHZ)
+unsigned long i2s_inclk_int[11] =  {1171,   850,    0,   585,   425,   390,  292,  212,   195,   106,   97};
+unsigned long i2s_inclk_comp[11] = { 448,   174,    0,   480,    87,   320,  496,  299,   160,   149,  336};
+#endif
+#else //MT7621_FPGA_BOARD
+unsigned long i2s_inclk_int[11] =  { 529,   384,    0,   264,   192,   176,  132,   96,    88,    48,   44};
+unsigned long i2s_inclk_comp[11] = { 102,     0,    0,   307,     0,   204,  153,    0,   102,     0,   51};
+#endif
+#elif defined (CONFIG_RALINK_MT7628)
+#ifdef MT7628_ASIC_BOARD
+                                      /* 8K  11.025k 12k  16k 22.05k 24k  32k 44.1K  48k  88.2k 96k  176k 192k */
+unsigned long i2s_inclk_int_16bit[13] = {937,  680,   0,  468,  340, 312, 234, 170,  156,   85, 78,   42,  39};
+unsigned long i2s_inclk_comp_16bit[13]= {256,  139,   0,  384,   69, 256, 192,  34,  128,   17, 64,  267,  32};
+unsigned long i2s_inclk_int_24bit[13] = {625,  404,   0,  312,  226, 208, 156, 113,  104,   56, 52,   28,  26};
+unsigned long i2s_inclk_comp_24bit[13]= {  0,  404,   0,  256,  387, 170, 128, 193,   85,  352, 42,  176,  21};
+#else
+				      /* 8K  11.025k 12k  16k 22.05k 24k  32k 44.1K  48k  88.2k 96k  176k 192k */
+unsigned long i2s_inclk_int_16bit[13] = {468,  340,   0,  234,  170, 156, 117,  85,   78,   42, 39,   21,  19};
+unsigned long i2s_inclk_comp_16bit[13]= {384,   69,   0,  192,   34, 128,  96,  17,   64,  264, 32,  133, 272};
+unsigned long i2s_inclk_int_24bit[13] = {312,  202,   0,  156,  113, 104,  78,  56,   52,   28, 26,   14,  13};
+unsigned long i2s_inclk_comp_24bit[13]= {256,  202,   0,  128,  193,  85,  64, 352,   42,  176,  21,  88,  10};
+#endif
+#elif defined (CONFIG_ARCH_MT7623)
+#if defined MT7623_ASIC_BOARD
+				      /* 8K  11.025k 12k  16k 22.05k 24k  32k 44.1K  48k  88.2k 96k  176k 192k */
+unsigned long i2s_inclk_int_16bit[13] = {576,  384,   0,  288,  192, 192, 144,  96,  96,    48, 48,   24,  24};
+unsigned long i2s_inclk_comp_16bit[13]= { 0,    0,    0,    0,   0,    0,   0,   0,   0,     0,  0,    0,   0};
+unsigned long i2s_inclk_int_24bit[13] = {384,  256,   0,  192,  128, 128,  96,  64,  64,    32, 32,   16,  16};
+unsigned long i2s_inclk_comp_24bit[13]= { 0,    0,    0,    0,   0,    0,   0,   0,   0,     0,  0,    0,   0};
+#else
+				      /* 8K  11.025k 12k  16k 22.05k 24k  32k 44.1K  48k  88.2k 96k  176k 192k */
+unsigned long i2s_inclk_int_16bit[13] = {72,   48,    0,   36,  24,   24,  18,  12,   12,    6,  6,    3,   3};
+unsigned long i2s_inclk_comp_16bit[13]= { 0,    0,    0,    0,   0,    0,   0,   0,    0,    0,  0,    0,   0};
+unsigned long i2s_inclk_int_24bit[13] = {48,   32,    0,   24,  16,   16,  12,   8,    8,    4,  4,    2,   2};
+unsigned long i2s_inclk_comp_24bit[13]= { 0,    0,    0,    0,   0,    0,   0,   0,    0,    0,  0,    0,   0};
+#endif
+#else
+				  /* 8K  11.025k 12k  16k  22.05k  24k  32k  44.1K  48k  88.2k  96k */
+unsigned long i2s_inclk_int[11]  = { 78,    56,   52,  39,   28,    26,  19,   14,   13,   9,    6};
+unsigned long i2s_inclk_comp[11] = { 64,   352,   42,  32,  176,    21, 272,   88,   10, 455,  261};
+#endif
+
+#if defined(CONFIG_I2S_WITH_AEC)
+aecFuncTbl_t *aecFuncP;
+#endif
+/* USB mode 22.05Khz register value in datasheet is 0x36 but will cause slow clock, 0x37 is correct value */
+/* USB mode 44.1Khz register value in datasheet is 0x22 but will cause slow clock, 0x23 is correct value */
+
+struct tasklet_struct i2s_tx_tasklet;
+struct tasklet_struct i2s_rx_tasklet;
+EXPORT_SYMBOL(i2s_tx_tasklet);
+EXPORT_SYMBOL(i2s_rx_tasklet);
+
+char test_buf[I2S_PAGE_SIZE];
+char test_buf_1[I2S_PAGE_SIZE];
+char test_buf_2[I2S_PAGE_SIZE];
+
+static const struct file_operations i2s_fops = {
+	owner		: THIS_MODULE,
+	mmap		: i2s_mmap,
+	open		: i2s_open,
+	release		: i2s_release,
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,35)
+	unlocked_ioctl:     i2s_ioctl,
+#else	
+	ioctl		: i2s_ioctl,
+#endif	
+};
+
+int __init i2s_mod_init(void)
+{
+	int result;
+
+	_printk("******* i2s module init **********\n");
+	/* register device with kernel */
+#ifdef  CONFIG_DEVFS_FS
+    	if(devfs_register_chrdev(i2sdrv_major, I2SDRV_DEVNAME , &i2s_fops)) {
+		_printk(KERN_WARNING " i2s: can't create device node - %s\n", I2SDRV_DEVNAME);
+		return -EIO;
+    	}
+
+    	devfs_handle = devfs_register(NULL, I2SDRV_DEVNAME, DEVFS_FL_DEFAULT, i2sdrv_major, 0, 
+	    S_IFCHR | S_IRUGO | S_IWUGO, &i2s_fops, NULL);
+#else
+    	result = register_chrdev(i2sdrv_major, I2SDRV_DEVNAME, &i2s_fops);
+    	if (result < 0) {
+		_printk(KERN_WARNING "i2s: can't get major %d\n",i2sdrv_major);
+        	return result;
+    	}
+
+    	if (i2sdrv_major == 0) {
+		i2sdrv_major = result; /* dynamic */
+    	}
+#endif
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,35)
+#else	
+	i2smodule_class=class_create(THIS_MODULE, I2SDRV_DEVNAME);
+	if (IS_ERR(i2smodule_class)) 
+		return -EFAULT;
+	device_create(i2smodule_class, NULL, MKDEV(i2sdrv_major, 0), I2SDRV_DEVNAME);
+#endif	
+
+#if defined(CONFIG_I2S_WITH_AEC)
+	_printk("AEC FuncP init \n");
+	/*Add by mtk04880*/
+	aecFuncP = kmalloc(sizeof(aecFuncTbl_t), GFP_KERNEL);
+	/*If aecFuncP cannot request memory,it will be ignored in I2S module. Since AEC & I2S are independent
+	 * when AEC module is inserted,It will return err message (but I2S will keep running without AEC support)
+	 * */
+	if(aecFuncP){
+		memset(aecFuncP,0,sizeof(aecFuncTbl_t));
+	}
+#endif
+
+	return 0;
+}
+
+void i2s_mod_exit(void)
+{
+	_printk("************ i2s module exit *************\n");	
+#ifdef  CONFIG_DEVFS_FS
+    	devfs_unregister_chrdev(i2sdrv_major, I2SDRV_DEVNAME);
+    	devfs_unregister(devfs_handle);
+#else
+    	unregister_chrdev(i2sdrv_major, I2SDRV_DEVNAME);
+#endif
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,35)
+#else
+	device_destroy(i2smodule_class,MKDEV(i2sdrv_major, 0));
+	class_destroy(i2smodule_class); 
+#endif	
+	return ;
+}
+
+
+int i2s_open(struct inode *inode, struct file *filp)
+{
+#if defined(I2S_HW_INTERRUPT_EN)&&(I2S_SW_IRQ_EN)
+	int Ret;
+#endif
+	int minor = iminor(inode);
+
+	if (minor >= I2S_MAX_DEV)
+		return -ENODEV;
+	
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
+	MOD_INC_USE_COUNT;
+#else
+	try_module_get(THIS_MODULE);
+#endif
+
+	if (filp->f_flags & O_NONBLOCK) {
+		MSG("filep->f_flags O_NONBLOCK set\n");
+		return -EAGAIN;
+	}
+
+	/* set i2s_config */
+	filp->private_data = pi2s_config;
+	memset(pi2s_config, 0, sizeof(i2s_config_type));
+#ifdef I2S_STATISTIC
+	memset(pi2s_status, 0, sizeof(i2s_status_type));	
+#endif
+	i2s_param_init(pi2s_config);
+
+#if defined(I2S_HW_INTERRUPT_EN)&&(I2S_SW_IRQ_EN)	
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,35)
+	Ret = request_irq(SURFBOARDINT_I2S, i2s_irq_isr, IRQF_DISABLED, "Ralink_I2S", NULL);
+#else
+	Ret = request_irq(SURFBOARDINT_I2S, i2s_irq_isr, SA_INTERRUPT, "Ralink_I2S", NULL);
+#endif
+	
+	if(Ret){
+		MSG("IRQ %d is not free.\n", SURFBOARDINT_I2S);
+		i2s_release(inode, filp);
+		return -1;
+	}
+#endif	
+ 
+    	init_waitqueue_head(&(pi2s_config->i2s_tx_qh));
+    	init_waitqueue_head(&(pi2s_config->i2s_rx_qh));
+	spin_lock_init(&pi2s_config->lock);
+
+	return 0;
+}
+
+
+static int i2s_release(struct inode *inode, struct file *filp)
+{
+	i2s_config_type* ptri2s_config;
+	
+	/* decrement usage count */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
+	MOD_DEC_USE_COUNT;
+#else
+	module_put(THIS_MODULE);
+#endif
+
+#if defined(I2S_HW_INTERRUPT_EN)&&(I2S_SW_IRQ_EN)
+	free_irq(SURFBOARDINT_I2S, NULL);
+#endif
+	
+	ptri2s_config = filp->private_data;
+	if(ptri2s_config==NULL)
+		goto EXIT;
+#ifdef CONFIG_I2S_MMAP	
+	i2s_mem_unmap(ptri2s_config);
+#else
+	i2s_txbuf_free(ptri2s_config);
+	i2s_rxbuf_free(ptri2s_config);
+#endif	
+	/* free buffer */
+	i2s_txPagebuf_free(ptri2s_config);
+	i2s_rxPagebuf_free(ptri2s_config);	
+EXIT:			
+	MSG("i2s_release succeeds\n");
+	return 0;
+}
+
+int i2s_mmap_alloc(unsigned long size)
+{
+	int i;
+	u32 page_size;
+       	int first_index;
+
+	page_size = I2S_PAGE_SIZE;
+
+	if ((pi2s_config->mmap_index == 0) || (pi2s_config->mmap_index == MAX_I2S_PAGE))
+	{
+		MSG("mmap_index=%d\n", pi2s_config->mmap_index);
+
+		first_index = pi2s_config->mmap_index;
+	pi2s_config->pMMAPBufPtr[pi2s_config->mmap_index] = kmalloc(size, GFP_DMA);
+	i2s_mmap_addr[pi2s_config->mmap_index] = (dma_addr_t)dma_map_single(NULL, pi2s_config->pMMAPBufPtr[pi2s_config->mmap_index], size, DMA_BIDIRECTIONAL);
+	
+	if( pi2s_config->pMMAPBufPtr[pi2s_config->mmap_index] == NULL ) 
+	{
+		MSG("i2s_mmap failed\n");
+		return -1;
+	}
+	}
+	else
+	{
+		_printk("illegal index:%d\n", pi2s_config->mmap_index);
+		return -1;	
+	}
+	
+	_printk("MMAP[%d]=0x%08X, i2s_mmap_addr[%d]=0x%08x\n",
+		pi2s_config->mmap_index, (u32)pi2s_config->pMMAPBufPtr[pi2s_config->mmap_index], 
+                pi2s_config->mmap_index, i2s_mmap_addr[pi2s_config->mmap_index]);
+	
+	memset(pi2s_config->pMMAPBufPtr[pi2s_config->mmap_index], 0, size);
+	pi2s_config->mmap_index++;
+
+	for (i=1; i<MAX_I2S_PAGE; i++)
+	{
+		i2s_mmap_addr[pi2s_config->mmap_index] = i2s_mmap_addr[first_index] + i*page_size;
+		pi2s_config->pMMAPBufPtr[pi2s_config->mmap_index] = pi2s_config->pMMAPBufPtr[first_index] + i*page_size;
+
+		_printk("MMAP[%d]=0x%08X, i2s_mmap_addr[%d]=0x%08x\n",pi2s_config->mmap_index, (u32)pi2s_config->pMMAPBufPtr[pi2s_config->mmap_index], pi2s_config->mmap_index, i2s_mmap_addr[pi2s_config->mmap_index]);
+	
+		/* Notice: The last mmap_index's value should be MAX_I2S_PAGE or MAX_I2S_PAGE*2 */
+		pi2s_config->mmap_index++;
+	}
+
+	return 0;
+}
+
+int i2s_mmap_remap(struct vm_area_struct *vma, unsigned long size)
+{
+	int nRet;
+
+	if((pi2s_config->pMMAPBufPtr[0]!=NULL) && (pi2s_config->mmap_index == MAX_I2S_PAGE))
+	{
+		MSG("i2s_mmap_remap:0\n");
+		nRet = remap_pfn_range(vma, vma->vm_start, virt_to_phys((void *)pi2s_config->pMMAPBufPtr[0]) >> PAGE_SHIFT,  size, vma->vm_page_prot);
+
+		if( nRet != 0 )
+		{
+			_printk("i2s_mmap->remap_pfn_range failed\n");
+			return -EIO;
+		}
+	}
+
+	if((pi2s_config->pMMAPBufPtr[MAX_I2S_PAGE]!=NULL) && (pi2s_config->mmap_index == MAX_I2S_PAGE*2))
+	{
+		MSG("i2s_mmap_remap:%d\n", MAX_I2S_PAGE);
+
+		nRet = remap_pfn_range(vma, vma->vm_start, virt_to_phys((void *)pi2s_config->pMMAPBufPtr[MAX_I2S_PAGE]) >> PAGE_SHIFT,  size, vma->vm_page_prot);
+	
+		if( nRet != 0 )
+		{
+			_printk("i2s_mmap->remap_pfn_range failed\n");
+			return -EIO;
+		}
+	}
+
+	return 0;
+}
+
+static int i2s_mmap(struct file *filp, struct vm_area_struct *vma)
+{
+	unsigned long size = vma->vm_end-vma->vm_start;
+	_printk("page_size=%d, ksize=%lu\n", I2S_PAGE_SIZE, size);
+
+	if((pi2s_config->pMMAPBufPtr[0]==NULL)&&(pi2s_config->mmap_index!=0))
+		pi2s_config->mmap_index = 0;
+		
+	_printk("%s: vm_start=%08X,vm_end=%08X\n", __func__, (u32)vma->vm_start, (u32)vma->vm_end);
+		
+	/* Do memory allocate and dma sync */
+	i2s_mmap_alloc(size);
+
+	i2s_mmap_remap(vma, size);
+
+
+	return 0;
+}
+
+int i2s_mem_unmap(i2s_config_type* ptri2s_config)
+{
+	u32 page_size;
+
+	page_size = I2S_PAGE_SIZE;
+
+	if(ptri2s_config->pMMAPBufPtr[0])
+	{	
+		_printk("ummap MMAP[0]=0x%08X\n", (u32)ptri2s_config->pMMAPBufPtr[0]);
+		dma_unmap_single(NULL, i2s_mmap_addr[0], MAX_I2S_PAGE*page_size, DMA_BIDIRECTIONAL);
+		kfree(ptri2s_config->pMMAPBufPtr[0]);
+	}
+
+	if(ptri2s_config->pMMAPBufPtr[MAX_I2S_PAGE])
+	{
+		_printk("ummap MMAP[%d]=0x%08X\n", MAX_I2S_PAGE, (u32)ptri2s_config->pMMAPBufPtr[MAX_I2S_PAGE]);
+		dma_unmap_single(NULL, i2s_mmap_addr[MAX_I2S_PAGE], MAX_I2S_PAGE*page_size, DMA_BIDIRECTIONAL);
+		kfree(ptri2s_config->pMMAPBufPtr[MAX_I2S_PAGE]);
+	}
+
+	ptri2s_config->mmap_index = 0;
+	
+	return 0;
+}
+
+int i2s_param_init(i2s_config_type* ptri2s_config)
+{
+	ptri2s_config->dmach = GDMA_I2S_TX0;
+	ptri2s_config->tx_ff_thres = CONFIG_I2S_TFF_THRES;
+	ptri2s_config->tx_ch_swap = CONFIG_I2S_CH_SWAP;
+	ptri2s_config->rx_ff_thres = CONFIG_I2S_TFF_THRES;
+	ptri2s_config->rx_ch_swap = CONFIG_I2S_CH_SWAP;
+	ptri2s_config->slave_en = CONFIG_I2S_SLAVE_EN; 
+	ptri2s_config->codec_pll_en = CONFIG_I2S_CODEC_PLL_EN;
+
+	ptri2s_config->bRxDMAEnable = 0;
+	ptri2s_config->bTxDMAEnable = 0;
+	//ptri2s_config->bALSAEnable = 0;
+	ptri2s_config->srate = 44100;
+	ptri2s_config->txvol = 0;
+	ptri2s_config->rxvol = 0;
+	ptri2s_config->lbk = 0;
+	ptri2s_config->extlbk = 0;
+	ptri2s_config->txrx_coexist = 0;
+	ptri2s_config->wordlen_24b = 0;
+#if defined(CONFIG_RALINK_MT7628) || defined(CONFIG_ARCH_MT7623)
+	ptri2s_config->sys_endian = 0;
+	ptri2s_config->fmt = 0;
+#endif
+	ptri2s_config->micboost = 0;
+	ptri2s_config->micin = 0;
+
+	return 0;
+}
+
+int i2s_txbuf_alloc(i2s_config_type* ptri2s_config)
+{
+	int i;
+
+	for( i = 0 ; i < MAX_I2S_PAGE ; i ++ )
+        {
+#if defined(CONFIG_I2S_MMAP)
+		ptri2s_config->pMMAPTxBufPtr[i] = ptri2s_config->pMMAPBufPtr[i];
+#else
+                if(ptri2s_config->pMMAPTxBufPtr[i]==NULL)
+                	ptri2s_config->pMMAPTxBufPtr[i] = kmalloc(I2S_PAGE_SIZE, GFP_KERNEL);
+#endif
+		memset(ptri2s_config->pMMAPTxBufPtr[i], 0, I2S_PAGE_SIZE);
+	}
+
+	return 0;
+}
+
+int i2s_rxbuf_alloc(i2s_config_type* ptri2s_config)
+{
+	int i;
+
+	for( i = 0 ; i < MAX_I2S_PAGE ; i ++ )
+        {
+#if defined(CONFIG_I2S_MMAP)
+        	ptri2s_config->pMMAPRxBufPtr[i] = ptri2s_config->pMMAPBufPtr[i+(ptri2s_config->mmap_index-MAX_I2S_PAGE)];
+#else
+                if(ptri2s_config->pMMAPRxBufPtr[i]==NULL)
+			ptri2s_config->pMMAPRxBufPtr[i] = kmalloc(I2S_PAGE_SIZE, GFP_KERNEL);
+#endif
+		memset(ptri2s_config->pMMAPRxBufPtr[i], 0, I2S_PAGE_SIZE);
+        }
+
+	return 0;
+}
+
+int i2s_txPagebuf_alloc(i2s_config_type* ptri2s_config)
+{
+#if defined(ARM_ARCH)
+	ptri2s_config->pPage0TxBuf8ptr = (u8*)pci_alloc_consistent(NULL, I2S_PAGE_SIZE , &i2s_txdma_addr0);
+	ptri2s_config->pPage1TxBuf8ptr = (u8*)pci_alloc_consistent(NULL, I2S_PAGE_SIZE , &i2s_txdma_addr1);
+	if(ptri2s_config->pPage0TxBuf8ptr==NULL)
+        {
+		MSG("Allocate Tx Page0 Buffer Failed\n");
+                return -1;
+        }
+	if(ptri2s_config->pPage1TxBuf8ptr==NULL)
+        {
+		MSG("Allocate Tx Page1 Buffer Failed\n");
+                return -1;
+        }
+#else
+	ptri2s_config->pPage0TxBuf8ptr = (u8*)pci_alloc_consistent(NULL, I2S_PAGE_SIZE*2 , &i2s_txdma_addr);
+        if(ptri2s_config->pPage0TxBuf8ptr==NULL)
+        {
+		MSG("Allocate Tx Page Buffer Failed\n");
+                return -1;
+        }
+        ptri2s_config->pPage1TxBuf8ptr = ptri2s_config->pPage0TxBuf8ptr + I2S_PAGE_SIZE;
+#endif
+	return 0;
+}
+
+int i2s_rxPagebuf_alloc(i2s_config_type* ptri2s_config)
+{
+#if defined(ARM_ARCH)
+	ptri2s_config->pPage0RxBuf8ptr = (u8*)pci_alloc_consistent(NULL, I2S_PAGE_SIZE, &i2s_rxdma_addr0);
+	ptri2s_config->pPage1RxBuf8ptr = (u8*)pci_alloc_consistent(NULL, I2S_PAGE_SIZE, &i2s_rxdma_addr1);
+	if(ptri2s_config->pPage0RxBuf8ptr==NULL)
+	{
+		MSG("Allocate Rx Page Buffer Failed\n");
+		return -1;
+	}
+	if(ptri2s_config->pPage1RxBuf8ptr==NULL)
+	{
+		MSG("Allocate Rx Page Buffer Failed\n");
+		return -1;
+	}
+#else
+	ptri2s_config->pPage0RxBuf8ptr = (u8*)pci_alloc_consistent(NULL, I2S_PAGE_SIZE*2 , &i2s_rxdma_addr);
+	if(ptri2s_config->pPage0RxBuf8ptr==NULL)
+	{
+		MSG("Allocate Rx Page Buffer Failed\n");
+		return -1;
+	}
+	ptri2s_config->pPage1RxBuf8ptr = ptri2s_config->pPage0RxBuf8ptr + I2S_PAGE_SIZE;
+#endif
+	return 0;
+}
+
+int i2s_txbuf_free(i2s_config_type* ptri2s_config)
+{
+	int i;
+
+	for(i = 0 ; i < MAX_I2S_PAGE ; i ++) 
+	{
+		if(ptri2s_config->pMMAPTxBufPtr[i] != NULL)
+		{
+#if defined(CONFIG_I2S_MMAP)
+                        ptri2s_config->pMMAPTxBufPtr[i] = NULL;
+#else
+			kfree(ptri2s_config->pMMAPTxBufPtr[i]);
+			ptri2s_config->pMMAPTxBufPtr[i] = NULL;
+#endif
+		}
+	}
+	return 0;
+}
+
+int i2s_rxbuf_free(i2s_config_type* ptri2s_config)
+{
+	int i;
+
+	for(i = 0 ; i < MAX_I2S_PAGE ; i ++) 
+	{
+		if(ptri2s_config->pMMAPRxBufPtr[i] != NULL)
+		{
+#if defined(CONFIG_I2S_MMAP)
+                        ptri2s_config->pMMAPRxBufPtr[i] = NULL;
+#else
+			kfree(ptri2s_config->pMMAPRxBufPtr[i]);
+			ptri2s_config->pMMAPRxBufPtr[i] = NULL;
+#endif
+		}
+	}
+	
+	return 0;
+}
+
+int i2s_txPagebuf_free(i2s_config_type* ptri2s_config)
+{
+#if defined(ARM_ARCH)
+	if (ptri2s_config->pPage0TxBuf8ptr)
+	{
+		pci_free_consistent(NULL, I2S_PAGE_SIZE, ptri2s_config->pPage0TxBuf8ptr, i2s_txdma_addr0);
+		ptri2s_config->pPage0TxBuf8ptr = NULL;
+	}
+
+	if (ptri2s_config->pPage1TxBuf8ptr)
+	{
+		pci_free_consistent(NULL, I2S_PAGE_SIZE, ptri2s_config->pPage1TxBuf8ptr, i2s_txdma_addr1);
+		ptri2s_config->pPage1TxBuf8ptr = NULL;
+	}
+	_printk("Free tx page buffer\n");
+#else
+	if (ptri2s_config->pPage0TxBuf8ptr)
+	{
+		pci_free_consistent(NULL, I2S_PAGE_SIZE*2, ptri2s_config->pPage0TxBuf8ptr, i2s_txdma_addr);
+		ptri2s_config->pPage0TxBuf8ptr = NULL;
+	}
+#endif
+	return 0;
+
+}
+
+int i2s_rxPagebuf_free(i2s_config_type* ptri2s_config)
+{
+#if defined(ARM_ARCH)
+	if (ptri2s_config->pPage0RxBuf8ptr)
+	{
+		pci_free_consistent(NULL, I2S_PAGE_SIZE, ptri2s_config->pPage0RxBuf8ptr, i2s_rxdma_addr0);
+		ptri2s_config->pPage0RxBuf8ptr = NULL;
+	}
+	if (ptri2s_config->pPage1RxBuf8ptr)
+	{
+		pci_free_consistent(NULL, I2S_PAGE_SIZE, ptri2s_config->pPage1RxBuf8ptr, i2s_rxdma_addr1);
+		ptri2s_config->pPage1RxBuf8ptr = NULL;
+	}
+	_printk("Free rx page buffer\n");
+#else
+	if (ptri2s_config->pPage0RxBuf8ptr)
+	{
+		pci_free_consistent(NULL, I2S_PAGE_SIZE*2, ptri2s_config->pPage0RxBuf8ptr, i2s_rxdma_addr);
+		ptri2s_config->pPage0RxBuf8ptr = NULL;
+	}
+#endif
+	return 0;
+}
+
+int i2s_reset_tx_param(i2s_config_type* ptri2s_config)
+{
+	ptri2s_config->tx_isr_cnt = 0;
+	ptri2s_config->tx_w_idx = 0;
+	ptri2s_config->tx_r_idx = 0;	
+	ptri2s_config->enLable = 0;
+	ptri2s_config->tx_pause_en = 0;
+	ptri2s_config->end_cnt = 0;
+	ptri2s_config->tx_stop_cnt = 0;
+
+#ifdef I2S_STATISTIC
+	pi2s_status->txbuffer_unrun = 0;
+	pi2s_status->txbuffer_ovrun = 0;
+	pi2s_status->txdmafault = 0;
+	pi2s_status->txovrun = 0;
+	pi2s_status->txunrun = 0;
+	pi2s_status->txthres = 0;
+	pi2s_status->txbuffer_len = 0;
+#endif
+
+	return 0;
+}
+
+int i2s_reset_rx_param(i2s_config_type* ptri2s_config)
+{
+	ptri2s_config->rx_isr_cnt = 0;
+	ptri2s_config->rx_w_idx = 0;
+	ptri2s_config->rx_r_idx = 0;	
+	ptri2s_config->enLable = 0;
+	ptri2s_config->rx_pause_en = 0;
+	ptri2s_config->rx_stop_cnt = 0;
+
+#ifdef I2S_STATISTIC
+	pi2s_status->rxbuffer_unrun = 0;
+	pi2s_status->rxbuffer_ovrun = 0;
+	pi2s_status->rxdmafault = 0;
+	pi2s_status->rxovrun = 0;
+	pi2s_status->rxunrun = 0;
+	pi2s_status->rxthres = 0;
+	pi2s_status->rxbuffer_len = 0;
+#endif
+
+	return 0;
+}	
+#ifdef MT7621_ASIC_BOARD
+int i2s_pll_config_mt7621(unsigned long index)
+{
+        unsigned long data;
+	unsigned long regValue;
+	bool xtal_20M_en = 0;
+//	bool xtal_25M_en = 0;
+	bool xtal_40M_en = 0;
+
+	regValue = i2s_inw(RALINK_SYSCTL_BASE + 0x10);
+       	regValue = (regValue >> 6) & 0x7;
+	if (regValue < 3)
+	{
+		xtal_20M_en = 1;
+		MSG("Xtal is 20MHz. \n");
+	}
+	else if (regValue < 6)
+	{
+		xtal_40M_en = 1;
+		MSG("Xtal is 40M.\n");
+	}
+	else
+	{
+		//xtal_25M_en = 1;
+		MSG("Xtal is 25M.\n");
+	}
+
+#if defined (CONFIG_I2S_MCLK_12P288MHZ)
+	_printk("MT7621 provide 12.288M/11.298MHz REFCLK\n");	
+	/* Firstly, reset all required register to default value */
+	i2s_outw(RALINK_ANA_CTRL_BASE, 0x00008000);
+	i2s_outw(RALINK_ANA_CTRL_BASE+0x0014, 0x01001d61);//0x01401d61);
+	i2s_outw(RALINK_ANA_CTRL_BASE+0x0018, 0x38233d0e);
+	i2s_outw(RALINK_ANA_CTRL_BASE+0x001c, 0x80100004);//0x80120004);
+	i2s_outw(RALINK_ANA_CTRL_BASE+0x0020, 0x1c7dbf48);
+
+        /* toggle RG_XPTL_CHG */
+        i2s_outw(RALINK_ANA_CTRL_BASE, 0x00008800);
+        i2s_outw(RALINK_ANA_CTRL_BASE, 0x00008c00);
+
+        data = i2s_inw(RALINK_ANA_CTRL_BASE+0x0014);
+        data &= ~(0x0000ffc0);
+	if ((xtal_40M_en) || (xtal_20M_en))
+	{
+        	data |= REGBIT(0x1d, 8); /* for 40M or 20M */
+	}
+	else 
+	{
+        	data |= REGBIT(0x17, 8); /* for 25M */
+	}
+	
+	if (xtal_40M_en)
+	{
+        	data |= REGBIT(0x1, 6);  /* for 40M */
+	}
+	i2s_outw(RALINK_ANA_CTRL_BASE+0x0014, data);
+
+
+        data = i2s_inw(RALINK_ANA_CTRL_BASE+0x0018);
+        data &= ~(0xf0773f00);
+        data |= REGBIT(0x3, 28);
+        data |= REGBIT(0x2, 20);
+	if ((xtal_40M_en) || (xtal_20M_en))
+	{
+        	data |= REGBIT(0x3, 16); /* for 40M or 20M */
+	}
+	else
+	{
+        	data |= REGBIT(0x2, 16); /* for 25M */
+	}
+        data |= REGBIT(0x3, 12);
+	if ((xtal_40M_en) || (xtal_20M_en))
+	{
+        	data |= REGBIT(0xd, 8);	/* for 40M or 20M */
+	}
+	else
+	{
+        	data |= REGBIT(0x7, 8);	/* for 25M */
+	}
+        i2s_outw(RALINK_ANA_CTRL_BASE+0x0018, data);
+
+        if((index==1)|(index==4)|(index==7)|(index==9))// 270 MHz for 22.05K, 44.1K, 88.2K, 176.4K
+        {
+		if ((xtal_40M_en) || (xtal_20M_en))
+		{
+         	       	i2s_outw(RALINK_ANA_CTRL_BASE+0x0020, 0x1a18548a); /* for 40M or 20M */
+		}
+		else
+		{
+                	i2s_outw(RALINK_ANA_CTRL_BASE+0x0020, 0x14ad106e); /* for 25M */
+		}
+        }
+        else if ((index==0)|(index==3)|(index==5)|(index==6)|(index==8)|(index==10))// 294 MHZ for 24K, 48K, 96K, 192K
+        {
+		if ((xtal_40M_en) || (xtal_20M_en))
+		{
+                	i2s_outw(RALINK_ANA_CTRL_BASE+0x0020, 0x1c7dbf48); /* for 40M or 20M */
+		}
+		else
+		{
+                	i2s_outw(RALINK_ANA_CTRL_BASE+0x0020, 0x1697cc39); /* for 25M */
+		}
+        }
+	else if (index==2)
+	{
+		_printk("Not support 12KHz sampling rate!\n");
+		return -1;
+	}
+        else
+        {
+                _printk("Wrong sampling rate!\n");
+                return -1;
+        }
+
+        //*Common setting - Set PLLGP_CTRL_4 *//
+	/* 1. Bit 31 */
+        data = i2s_inw(RALINK_ANA_CTRL_BASE+0x001c);
+        data &= ~(REGBIT(0x1, 31));
+        i2s_outw(RALINK_ANA_CTRL_BASE+0x001c, data);
+	ndelay(10);
+
+        /* 2. Bit 0 */
+        data = i2s_inw(RALINK_ANA_CTRL_BASE+0x001c);
+        data |= REGBIT(0x1, 0);
+        i2s_outw(RALINK_ANA_CTRL_BASE+0x001c, data);
+	udelay(200);
+
+        /* 3. Bit 3 */
+        data = i2s_inw(RALINK_ANA_CTRL_BASE+0x001c);
+        data |= REGBIT(0x1, 3);
+        i2s_outw(RALINK_ANA_CTRL_BASE+0x001c, data);
+	udelay(1);
+
+        /* 4. Bit 8 */
+        data = i2s_inw(RALINK_ANA_CTRL_BASE+0x001c);
+        data |= REGBIT(0x1, 8);
+        i2s_outw(RALINK_ANA_CTRL_BASE+0x001c, data);
+	ndelay(40);
+
+        /* 5. Bit 6 */
+        data = i2s_inw(RALINK_ANA_CTRL_BASE+0x001c);
+        data |= REGBIT(0x1, 6);
+        i2s_outw(RALINK_ANA_CTRL_BASE+0x001c, data);
+	ndelay(40);
+
+        /* 6. Bit 5 & Bit 7*/
+        data = i2s_inw(RALINK_ANA_CTRL_BASE+0x001c);
+        data |= REGBIT(0x1, 5);
+	data |= REGBIT(0x1, 7);
+        i2s_outw(RALINK_ANA_CTRL_BASE+0x001c, data);
+	udelay(1);
+
+        /* 7. Bit 17 */
+        data = i2s_inw(RALINK_ANA_CTRL_BASE+0x001c);
+        data |= REGBIT(0x1, 17);
+        i2s_outw(RALINK_ANA_CTRL_BASE+0x001c, data);
+
+#elif defined(CONFIG_I2S_MCLK_12MHZ)
+	_printk("MT7621 provide 12MHz REFCLK\n");
+	/* Firstly, reset all required register to default value */
+	i2s_outw(RALINK_ANA_CTRL_BASE+0x0014, 0x01401d61);//0x01401d61);
+	i2s_outw(RALINK_ANA_CTRL_BASE+0x001c, 0x80120004);//0x80100004);
+	i2s_outw(RALINK_ANA_CTRL_BASE+0x0018, 0x38233d0e);
+
+	if (xtal_40M_en)
+	{
+		data = i2s_inw(RALINK_ANA_CTRL_BASE+0x001c);
+        	data &= ~REGBIT(0x1, 17);
+        	i2s_outw(RALINK_ANA_CTRL_BASE+0x001c, data);
+
+		data = i2s_inw(RALINK_ANA_CTRL_BASE+0x0014);
+		data &= ~REGBIT(0x3, 4);
+        	data |= REGBIT(0x1, 4);
+        	i2s_outw(RALINK_ANA_CTRL_BASE+0x0014, data);
+
+		data = i2s_inw(RALINK_ANA_CTRL_BASE+0x001c);
+        	data &= ~REGBIT(0x1, 31);
+        	i2s_outw(RALINK_ANA_CTRL_BASE+0x001c, data);
+	}
+	else if (xtal_20M_en)
+	{
+		data = i2s_inw(RALINK_ANA_CTRL_BASE+0x001c);
+        	data &= ~REGBIT(0x1, 17);
+        	i2s_outw(RALINK_ANA_CTRL_BASE+0x001c, data);
+
+		data = i2s_inw(RALINK_ANA_CTRL_BASE+0x0014);
+		data &= ~REGBIT(0x3, 6);
+        	i2s_outw(RALINK_ANA_CTRL_BASE+0x0014, data);
+
+		data = i2s_inw(RALINK_ANA_CTRL_BASE+0x0014);
+		data &= ~REGBIT(0x3, 4);
+        	data |= REGBIT(0x1, 4);
+        	i2s_outw(RALINK_ANA_CTRL_BASE+0x0014, data);
+
+		data = i2s_inw(RALINK_ANA_CTRL_BASE+0x001c);
+        	data &= ~REGBIT(0x1, 31);
+        	i2s_outw(RALINK_ANA_CTRL_BASE+0x001c, data);
+	}
+	else
+	{
+		data = i2s_inw(RALINK_ANA_CTRL_BASE+0x001c);
+        	data &= ~REGBIT(0x1, 17);
+        	i2s_outw(RALINK_ANA_CTRL_BASE+0x001c, data);
+
+		data = i2s_inw(RALINK_ANA_CTRL_BASE+0x0014);
+		data &= ~REGBIT(0x7f, 8);
+        	data |= REGBIT(0x17, 8);
+        	i2s_outw(RALINK_ANA_CTRL_BASE+0x0014, data);
+
+		data = i2s_inw(RALINK_ANA_CTRL_BASE+0x0014);
+		data &= ~REGBIT(0x3, 6);
+        	i2s_outw(RALINK_ANA_CTRL_BASE+0x0014, data);
+
+		data = i2s_inw(RALINK_ANA_CTRL_BASE+0x0018);
+		data &= ~REGBIT(0x7, 16);
+        	data |= REGBIT(0x2, 16);
+        	i2s_outw(RALINK_ANA_CTRL_BASE+0x0018, data);
+
+		data = i2s_inw(RALINK_ANA_CTRL_BASE+0x0018);
+		data &= ~REGBIT(0xf, 8);
+        	data |= REGBIT(0x7, 8);
+        	i2s_outw(RALINK_ANA_CTRL_BASE+0x0018, data);
+
+
+		data = i2s_inw(RALINK_ANA_CTRL_BASE+0x0014);
+		data &= ~REGBIT(0x3, 4);
+        	data |= REGBIT(0x1, 4);
+        	i2s_outw(RALINK_ANA_CTRL_BASE+0x0014, data);
+
+		data = i2s_inw(RALINK_ANA_CTRL_BASE+0x001c);
+        	data &= ~REGBIT(0x1, 31);
+        	i2s_outw(RALINK_ANA_CTRL_BASE+0x001c, data);
+
+	}
+#endif
+        return 0;
+}
+#if defined(CONFIG_I2S_IN_MCLK)
+int i2s_pll_refclk_set(void)
+{
+	unsigned long data;
+
+	/* Set APLL register for REFCLK */
+        data = i2s_inw(RALINK_SYSCTL_BASE+0x90);
+        data &= ~(0x0000f000);
+        data |= REGBIT(0x1, 12);
+        i2s_outw(RALINK_SYSCTL_BASE+0x0090, data);
+
+        data = i2s_inw(RALINK_SYSCTL_BASE+0x0090);
+        data &= ~(0x00000300);
+        i2s_outw(RALINK_SYSCTL_BASE+0x0090, data);
+        MSG("Set 0x90 register\n");
+
+	return 0;
+}
+#endif
+#endif	
+
+#ifdef MT7623_ASIC_BOARD
+int i2s_pll_config_mt7623(unsigned long index)
+{
+	unsigned long data;
+
+	/* xPLL PWR ON */
+	data = i2s_inw(AUD2PLL_PWR_CON0);
+	data |= 0x1;
+	i2s_outw(AUD2PLL_PWR_CON0, data);
+	udelay(5);
+
+	/* xPLL ISO Disable */
+	data = i2s_inw(AUD2PLL_PWR_CON0);
+	data &= ~(0x2);
+	i2s_outw(AUD2PLL_PWR_CON0, data);
+
+	/* xPLL Frequency Set */
+	data = i2s_inw(AUD2PLL_CON0);
+	data |= 0x1;
+	i2s_outw(AUD2PLL_CON0, data);
+
+	/* AUD1PLL Frequency Set(change from 98.304MHz to 294.912MHz) */
+	i2s_outw(AUD1PLL_CON0, 0x121);
+	i2s_outw(AUD1PLL_CON1, 0xad5efee6);
+	udelay(40);
+
+	/* Audio clock setting */
+	if((index==1)|(index==4)|(index==7)|(index==9)|(index==11))// for 22.05K, 44.1K, 88.2K, 176.4K
+	{
+		_printk("\n*****%s:index=%d(270MHz)*****\n", __func__, (int)index);
+		data = i2s_inw(0xFB00002c);
+		//data &= ~REGBIT(0x8, 1);
+		data &= ~(0x80);
+		i2s_outw(0xFB00002C, data); /* AUD1PLL 270.9204MHz */
+	}	
+	else if ((index==0)|(index==3)|(index==5)|(index==6)|(index==8)|(index==10)|(index==12)) //for 24K, 48K, 96K, 192K
+	{
+		_printk("\n*****%s:index=%d(294MHz)*****\n", __func__, (int)index);
+		data = i2s_inw(0xFB00002c);
+		//data |= REGBIT(0x8, 1);
+        	data |= (0x80);
+		i2s_outw(0xFB00002c, data); /* AUD1PLL 294.912MHz */
+	}
+	else if (index==2)
+	{
+		_printk("Not support 12KHz sampling rate!\n");
+		return -1;
+	}
+        else
+        {
+                _printk("Wrong sampling rate!\n");
+                return -1;
+        }
+	return 0;
+}
+#endif
+
+#if defined(MT7628_ASIC_BOARD) || defined(CONFIG_ARCH_MT7623)
+int i2s_driving_strength_adjust(void)
+{
+#if defined(MT7628_ASIC_BOARD)
+        unsigned long data;
+
+        MSG("Adjust MT7628 current's driving strngth\n");
+        /* Adjust REFCLK0's driving strength of current which can avoid
+         * the glitch of REFCKL0
+         * E4 = 0xb0001354[5]; E8 = 0xb0001364[5]
+         * (E4,E8)=(0,0)-> 4 mA;
+         *        =(1,0)-> 8 mA;
+         *        =(0,1)-> 12 mA;
+         *        =(1,1)-> 16 mA*/
+
+        /* Set to 12mA */
+        data = i2s_inw(0xb0001354);
+        data &= ~(0x1<<5);
+        i2s_outw(0xb0001354, data);
+
+        data = i2s_inw(0xb0001364);
+        data |= (0x1<<5);
+        i2s_outw(0xb0001364, data);
+#endif
+#if defined(CONFIG_ARCH_MT7623)
+	MSG("Adjust MT7623 current's driving strngth\n");
+
+	i2s_outw(0xF0005F80, 0x7777);
+#endif
+
+        return 0;
+}
+#endif
+
+#if defined(CONFIG_I2S_IN_MCLK)
+#if defined(CONFIG_I2S_MCLK_12MHZ)
+int i2s_refclk_12m_enable(void)
+{
+	unsigned long data;
+	
+	MSG("Enable SoC MCLK 12Mhz\n");
+
+#if defined(CONFIG_RALINK_RT6855A)
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x860);
+	data |= (0x1<<17);
+	data &= ~(0x7<<18);
+	data |= (0x1<<18);
+	i2s_outw(RALINK_SYSCTL_BASE+0x860, data);
+#elif defined(CONFIG_RALINK_RT3350)
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x2c);
+	data |= (0x1<<8);
+	i2s_outw(RALINK_SYSCTL_BASE+0x2c, data);
+#elif defined(CONFIG_RALINK_RT3883)
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x2c);
+	data &= ~(0x03<<13);
+	data |= (0x1<<13);	
+	i2s_outw(RALINK_SYSCTL_BASE+0x2c, data);
+#elif defined(CONFIG_RALINK_RT3352)||defined(CONFIG_RALINK_RT5350) || defined (CONFIG_RALINK_RT6855) 
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x2c);
+	data &= ~(0x0F<<8);
+	data |= (0x3<<8);	
+	i2s_outw(RALINK_SYSCTL_BASE+0x2c, data);
+#elif defined(CONFIG_RALINK_MT7620)
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x2c);
+	data &= ~(0x07<<9);
+    	data |= (1<<9);
+	i2s_outw(RALINK_SYSCTL_BASE+0x2c, data);
+#elif defined(CONFIG_RALINK_MT7621)
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x2c);
+	data &= ~(0x1f<<18);
+	data |= REGBIT(0x19, 18);
+	data &= ~(0x1f<<12);
+	data |= REGBIT(0x1, 12);
+	data &= ~(0x7<<9);
+	data |= REGBIT(0x5, 9);
+	i2s_outw(RALINK_SYSCTL_BASE+0x2c, data);
+#elif defined(CONFIG_RALINK_MT7628)
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x2c);
+	MSG("turn on REFCLK output for MCLK1\n");
+	data &= ~(0x7<<9);
+	data |= (0x1<<9);  /* output for MCLK */
+	i2s_outw(RALINK_SYSCTL_BASE+0x2c, data);
+#else	
+	#error "This SoC does not provide 12MHz clock to audio codec\n");	
+#endif
+	i2s_refclk_gpio_out_config();
+
+	return 0;
+}
+#endif
+
+#if defined(CONFIG_I2S_MCLK_12P288MHZ)
+int i2s_refclk_12p288m_enable(void)
+{
+	unsigned long data;
+	MSG("Enable SoC MCLK 12.288Mhz\n");
+
+#if defined(CONFIG_RALINK_RT3352)||defined(CONFIG_RALINK_RT5350) || defined (CONFIG_RALINK_RT6855)
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x2c);
+	data &= ~(0x01F<<18);
+	data |= 31<<18;
+	data &= ~(0x01F<<12);
+	data |= 1<<12;
+	data |= (0xF<<8);
+	i2s_outw(RALINK_SYSCTL_BASE+0x2c, data);
+#elif defined(CONFIG_RALINK_MT7621)
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x2c);
+	data &= ~(0x1f<<18);
+	data |= REGBIT(0xc, 18);
+	data &= ~(0x1f<<12);
+	data |= REGBIT(0x1, 12);
+	data &= ~(0x7<<9);
+	data |= REGBIT(0x5, 9);
+	i2s_outw(RALINK_SYSCTL_BASE+0x2c, data);
+	_printk("MT7621 provide REFCLK 12.288MHz/11.289MHz\n");
+#elif defined(CONFIG_ARCH_MT7623)
+	/* MT7623 does not need to set divider for REFCLK */
+	/* GPIO126 - I2S0_MCLK */
+	data = i2s_inw(0xF00058F0);
+	data &= ~(0x7<<3);
+	data |= (0x6<<3);
+	i2s_outw(0xF00058F0, data);	
+	/* GPIO_DIR8: OUT */
+	data = i2s_inw(0xF0005070);
+	data |= (0x1<<14);
+	i2s_outw(0xF0005070, data);
+#else
+	#error "This SoC does not provide 12.288Mhz clock to audio codec\n");	
+#endif
+	
+	return 0;
+}
+#endif
+
+#if defined(CONFIG_I2S_MCLK_18P432MHZ)
+int i2s_refclk_18p432m_enable(unsigned long index)
+{
+	unsigned long data;
+	MSG("Enable SoC MCLK 18.432MHz/16.934MHz");
+
+	if((index==1)|(index==4)|(index==7)|(index==9))// 16.934MHz for 22.05K, 44.1K, 88.2K, 176.4K
+        {
+		data = i2s_inw(ETHDMASYS_SYSCTL_BASE+0x2c);
+		data &= ~(0x1<<7);
+		i2s_outw(ETHDMASYS_SYSCTL_BASE+0x2c, data);
+	}
+	else if((index==0)|(index==3)|(index==5)|(index==6)|(index==8)|(index==10))// 18.432MHZ for 24K, 48K, 96K, 192K
+        {
+		data = i2s_inw(ETHDMASYS_SYSCTL_BASE+0x2c);
+		data |= (0x1<<7);
+		i2s_outw(ETHDMASYS_SYSCTL_BASE+0x2c, data);
+	}
+
+	data = i2s_inw(ETHDMASYS_SYSCTL_BASE+0x30);
+	data |= (0x1<<17);
+	i2s_outw(ETHDMASYS_SYSCTL_BASE+0x30, data);
+
+	return 0;
+}
+#endif
+#endif
+
+int i2s_refclk_disable(void)
+{
+	unsigned long data;
+
+#if defined(CONFIG_RALINK_RT6855A)
+    	data = i2s_inw(RALINK_SYSCTL_BASE+0x860);
+	data &= ~(1<<17);
+	i2s_outw(RALINK_SYSCTL_BASE+0x860, data);
+#elif defined(CONFIG_RALINK_RT3350)
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x2c);
+	data &= ~(0x1<<8);
+	i2s_outw(RALINK_SYSCTL_BASE+0x2c, data);
+#elif defined(CONFIG_RALINK_RT3883)
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x2c);
+	 data &= ~(0x0F<<13);	
+	i2s_outw(RALINK_SYSCTL_BASE+0x2c, data);	
+#elif defined(CONFIG_RALINK_RT3352)||defined(CONFIG_RALINK_RT5350)||defined (CONFIG_RALINK_RT6855)
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x2c);
+	data &= ~(0x0F<<8);
+	i2s_outw(RALINK_SYSCTL_BASE+0x2c, data);
+#elif defined (CONFIG_RALINK_MT7620)||defined (CONFIG_RALINK_MT7621)||defined (CONFIG_RALINK_MT7628) 
+	_printk("turn off REFCLK output from internal CLK\n");
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x2c);
+	data &= ~(0x07<<9);
+	i2s_outw(RALINK_SYSCTL_BASE+0x2c, data);
+#elif defined (CONFIG_ARCH_MT7623) /*FIXME:2*/
+#ifdef MT7623_ASIC_BOARD
+	_printk("turn off REFCLK output from internal CLK\n");
+	/* GPIO126 - I2S0_MCLK */
+        data = i2s_inw(0xF00058F0);
+        data &= ~(0x7<<3);
+	//data |= (0x2<<3);
+        i2s_outw(0xF00058F0, data);
+	/* GPIO126 => GPIO_DIR8: IN */
+	data = i2s_inw(0xF0005070);
+	data &= ~(0x1<<14);
+	i2s_outw(0xF0005070, data);
+#else
+	_printk("turn off REFCLK output from internal CLK\n");
+	data = i2s_inw(ETHDMASYS_SYSCTL_BASE+0x30);
+	data &= ~(0x1<<17);
+	i2s_outw(ETHDMASYS_SYSCTL_BASE+0x30, data);
+#endif
+#endif
+	return 0;
+}
+
+int i2s_refclk_gpio_out_config(void)
+{
+#ifndef CONFIG_ARCH_MT7623
+	unsigned long data; /* FIXME */
+#endif
+	
+	/* Set REFCLK GPIO pin as REFCLK mode*/
+#if defined(CONFIG_RALINK_MT7620)
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x60);
+    	data &= ~(0x03<<21);  /* WDT */
+    	data |= (1<<21);
+	//data &= ~(0x03<<16);  /* PERST */
+	//data |= (1<<16);
+    	i2s_outw(RALINK_SYSCTL_BASE+0x60, data);
+#endif
+#if defined(CONFIG_RALINK_MT7621)
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x60);
+	//data &= ~(0x3<<10); /* PERST */
+	//data |= (0x2<<10);
+	data &= ~(0x3<<8); /* WDT */
+	data |= (0x2<<8);
+	i2s_outw(RALINK_SYSCTL_BASE+0x60, data);
+	MSG("Set 0x60 register\n");
+#endif
+#if defined(CONFIG_RALINK_MT7628)
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x60);
+	data &= ~(0x1<<18);
+	i2s_outw(RALINK_SYSCTL_BASE+0x60, data);
+#endif
+
+	return 0;
+} 
+
+int i2s_refclk_gpio_in_config(void)
+{
+#ifndef CONFIG_ARCH_MT7623
+	unsigned long data; /* FIXME */
+#endif
+
+#if defined (CONFIG_RALINK_MT7620)
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x60);
+    	data &= ~(0x03<<21);  /* WDT */
+    	data |= (1<<21);
+	//data &= ~(0x03<<16);  /* PERST */
+	//data |= (1<<16);
+    	i2s_outw(RALINK_SYSCTL_BASE+0x60, data);
+
+	data = i2s_inw(RALINK_PIO_BASE);
+	data &= ~(0x1<<17); /* GPIO share ping 17 for WDT */
+	i2s_outw(RALINK_PIO_BASE, data);
+
+	//data = i2s_inw(RALINK_PIO_BASE+0x04);
+	//data &= ~(0x1<<4); /* GPIO share ping 36 for PERST */
+	//i2s_outw(RALINK_PIO_BASE+0x04, data);
+#endif
+#if defined (CONFIG_RALINK_MT7621)
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x60);
+	//data &= ~(0x3<<10); /* PERST */
+	//data |= (0x1<<10);
+	data &= ~(0x3<<8); /* WDT */
+	data |= (0x1<<8);
+	i2s_outw(RALINK_SYSCTL_BASE+0x60, data);
+	
+	data = i2s_inw(RALINK_PIO_BASE);
+	//data &= ~(0x1<<19); /* GPIO share ping 19 for RERST */
+	data &= ~(0x1<<18); /* GPIO share ping 18 for WDT */
+	i2s_outw(RALINK_PIO_BASE, data);
+#endif
+#if defined (CONFIG_RALINK_MT7628)
+	/* To use external OSC, set REFCLK_GPIO ping as GPIO mode and set it as input direction */
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x60);
+	data |= (0x1<<18);
+	i2s_outw(RALINK_SYSCTL_BASE+0x60, data);
+
+	data = i2s_inw(RALINK_PIO_BASE+0x04);
+	data &= ~(0x1<<5); /* GPIO share ping 37*/
+	i2s_outw(RALINK_PIO_BASE+0x04, data);
+#endif
+
+	return 0;
+}
+
+int i2s_slave_clock_gpio_in_mt7623(void)
+{
+	unsigned long data;
+
+	/* GPIO74(I2S0_BCLK)=>GPIO_DIR5: IN */
+	data = i2s_inw(0xF0005040);
+	data &= ~(0x1<<10);
+	i2s_outw(0xF0005040, data);
+
+	/* GPIO73(I2S0_LRCK)=>GPIO_DIR5: IN */
+	data = i2s_inw(0xF0005040);
+	data &= ~(0x1<<9);
+	i2s_outw(0xF0005040, data);
+
+	_printk("i2s_slave_clock_gpio_in_mt7623\n");
+
+	return 0;
+}
+
+int i2s_master_clock_gpio_out_mt7623(void)
+{
+	unsigned long data;
+
+	/* GPIO74(I2S0_BCLK)=>GPIO_DIR5: OUT */
+	data = i2s_inw(0xF0005040);
+	data |= (0x1<<10);
+	i2s_outw(0xF0005040, data);
+
+	/* GPIO73(I2S0_LRCK)=>GPIO_DIR5: OUT */
+	data = i2s_inw(0xF0005040);
+	data |= (0x1<<9);
+	i2s_outw(0xF0005040, data);
+	
+	_printk("i2s_master_clock_gpio_out_mt7623\n");
+
+	return 0;
+}
+
+int i2s_share_pin_mt7623(i2s_config_type* ptri2s_config)
+{
+	unsigned long data;
+	
+	_printk("\nConfig MT7623 I2S pinmux\n");
+	/* GPIO74 - I2S0_BCLK */
+	data = i2s_inw(0xF0005840);
+	data &= ~(0x7<<12);
+	data |= (0x6<<12);
+	i2s_outw(0xF0005840, data);
+
+	/* GPIO73 - I2S0_LRCK */
+	data = i2s_inw(0xF0005840);
+	data &= ~(0x7<<9);
+	data |= (0x6<<9);
+	i2s_outw(0xF0005840, data);
+
+	if(ptri2s_config->slave_en==0)
+		i2s_master_clock_gpio_out_mt7623();
+	else
+		i2s_slave_clock_gpio_in_mt7623();
+
+	/* GPIO49 - I2S0_DATA */
+	data = i2s_inw(0xF00057F0);
+	data &= ~(0x7<<12);
+	data |= (0x6<<12);
+	i2s_outw(0xF00057F0, data);
+	/* GPIO_DIR4: OUT */
+	data = i2s_inw(0xF0005030);
+	data |= (0x1<<1);
+	i2s_outw(0xF0005030, data);
+
+	/* GPIO72 - I2S0_DATA_IN */
+	data = i2s_inw(0xF0005840);
+	data &= ~(0x7<<6);
+	data |= (0x6<<6);
+	i2s_outw(0xF0005840, data);
+	/* GPIO_DIR5: IN */
+	data = i2s_inw(0xF0005040);
+	data &= ~(0x1<<8);
+	i2s_outw(0xF0005040, data);
+
+	return 0;
+}
+
+int i2s_share_pin_config(i2s_config_type* ptri2s_config)
+{
+#ifndef CONFIG_ARCH_MT7623
+	unsigned long data; /*FIXME*/
+#endif
+	
+	/* set share pins to i2s/gpio mode and i2c mode */
+#if defined(CONFIG_RALINK_RT6855A)
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x860);
+	data |= 0x00008080;
+	i2s_outw(RALINK_SYSCTL_BASE+0x860, data);
+#elif defined(CONFIG_RALINK_MT7621)	
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x60); 
+	data &= 0xFFFFFFE3;
+	data |= 0x00000010;
+	i2s_outw(RALINK_SYSCTL_BASE+0x60, data);
+#elif defined(CONFIG_RALINK_MT7628)	
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x60); 
+	data &= ~(0x3<<6);    /* I2S_MODE */ 
+	data &= ~(0x3<<20);   /* I2C_MODE */
+	i2s_outw(RALINK_SYSCTL_BASE+0x60, data);
+#elif defined(CONFIG_ARCH_MT7623)
+	i2s_share_pin_mt7623(ptri2s_config);
+#else	
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x60); 
+	data &= 0xFFFFFFE2;
+	data |= 0x00000018;
+	i2s_outw(RALINK_SYSCTL_BASE+0x60, data);
+#endif
+	return 0;
+}
+
+int i2s_ws_config(i2s_config_type* ptri2s_config, unsigned long index)
+{
+	unsigned long data;
+	unsigned long* pTable;
+
+#if defined(CONFIG_I2S_IN_CLK)
+	/* REFCLK is 15.625Mhz or 40Mhz(fractional division) */
+#if defined(CONFIG_I2S_FRAC_DIV)
+	MSG("Internal REFCLK with fractional division\n");
+#if defined(CONFIG_RALINK_MT7628) || defined(CONFIG_ARCH_MT7623)
+	if (ptri2s_config->wordlen_24b == 1)
+	{
+		MSG("24 bit int table\n");
+		pTable = i2s_inclk_int_24bit;
+	}
+	else
+	{
+		MSG("16 bit int table\n");
+		pTable = i2s_inclk_int_16bit;
+	}
+#else
+	pTable = i2s_inclk_int;
+#endif /* CONFIG_RALINK_MT7628 */
+	
+	data = (unsigned long)(pTable[index]);
+	i2s_outw(I2S_DIVINT_CFG, data);
+
+#if defined(CONFIG_RALINK_MT7628) || defined(CONFIG_ARCH_MT7623)
+	if (ptri2s_config->wordlen_24b == 1)
+	{
+		MSG("24 bit comp table\n");
+		pTable = i2s_inclk_comp_24bit;
+	}
+	else
+	{
+		MSG("16 bit comp table\n");
+		pTable = i2s_inclk_comp_16bit;
+	}
+#else
+	pTable = i2s_inclk_comp;
+#endif	/* CONFIG_RALINK_MT7628 */
+
+	data = (unsigned long)(pTable[index]);
+	data |= REGBIT(1, I2S_CLKDIV_EN); 
+	i2s_outw(I2S_DIVCOMP_CFG, data);
+#else
+	MSG("Internal REFCLK 15.625Mhz \n");
+	pTable = i2s_inclk_15p625Mhz;
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x30); 
+	data &= 0xFFFF00FF;
+	data |= (unsigned long)(pTable[index]);
+	data |= 0x00008000;
+	i2s_outw(RALINK_SYSCTL_BASE+0x30, data);  
+#endif /* CONFIG_I2S_FRAC_DIV */
+#else
+#if defined(CONFIG_I2S_MCLK_12MHZ)
+	/* REFCLK = MCLK = 12Mhz */
+	MSG("External REFCLK 12Mhz \n");
+	pTable = i2s_exclk_12Mhz;
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x30);
+	data &= 0xFFFF00FF;
+	data |= (unsigned long)(pTable[index]); 
+	data |= 0x0000C000;
+	i2s_outw(RALINK_SYSCTL_BASE+0x30, data);  	
+#else
+	/* REFCLK = MCLK = 12.288Mhz */
+	pTable = i2s_exclk_12p288Mhz;
+	MSG("External REFCLK 12.288Mhz \n");
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x30);
+	data &= 0xFFFF00FF;
+	data |= (unsigned long)(pTable[index]); 
+	data |= 0x0000C000;
+	i2s_outw(RALINK_SYSCTL_BASE+0x30, data); 					 
+#endif /* CONFIG_I2S_MCLK_12MHZ */		
+#endif /* Not CONFIG_I2S_IN_CLK */
+	
+#if defined(CONFIG_I2S_WS_EDGE)
+	data = i2s_inw(I2S_I2SCFG);
+	data |= REGBIT(0x1, I2S_WS_INV);
+	i2s_outw(I2S_I2SCFG, data);
+#endif
+
+	return 0;
+}
+
+int i2s_mode_config(u32 slave_en)
+{
+	unsigned long data;
+	
+	if(slave_en==0)
+	{
+		/* Master mode*/
+		_printk("This SoC is in Master mode\n");
+#if defined(CONFIG_RALINK_RT3052)
+		data = i2s_inw(I2S_I2SCFG);
+		data &= ~REGBIT(0x1, I2S_SLAVE_EN);
+		data &= ~REGBIT(0x1, I2S_CLK_OUT_DIS);
+		i2s_outw(I2S_I2SCFG, data);
+#elif defined(CONFIG_RALINK_RT3883)||defined(CONFIG_RALINK_RT3352)||\
+	defined(CONFIG_RALINK_RT5350)||defined(CONFIG_RALINK_RT6855)||\
+	defined(CONFIG_RALINK_MT7620)||defined(CONFIG_RALINK_RT6855A)||\
+	defined(CONFIG_RALINK_MT7621)||defined(CONFIG_RALINK_MT7628)||\
+	defined(CONFIG_ARCH_MT7623)
+		data = i2s_inw(I2S_I2SCFG);
+		data &= ~REGBIT(0x1, I2S_SLAVE_MODE);
+		i2s_outw(I2S_I2SCFG, data);
+#else
+	#error "a strange clock mode"	
+#endif	
+	}
+	else
+	{
+		/* Slave mode */
+		_printk("This SoC is in Slave mode\n");
+#if defined(CONFIG_RALINK_RT3052)
+		data = i2s_inw(I2S_I2SCFG);
+		data |= REGBIT(0x1, I2S_SLAVE_EN);
+		data |= REGBIT(0x1, I2S_CLK_OUT_DIS);
+		i2s_outw(I2S_I2SCFG, data);
+#elif defined(CONFIG_RALINK_RT3883)||defined(CONFIG_RALINK_RT3352)||\
+	defined(CONFIG_RALINK_RT5350)||defined(CONFIG_RALINK_RT6855)||\
+	defined(CONFIG_RALINK_MT7620)||defined(CONFIG_RALINK_RT6855A)||\
+	defined(CONFIG_RALINK_MT7621)||defined(CONFIG_RALINK_MT7628)||\
+	defined(CONFIG_ARCH_MT7623)
+		data = i2s_inw(I2S_I2SCFG);
+		data |= REGBIT(0x1, I2S_SLAVE_MODE);
+		i2s_outw(I2S_I2SCFG, data);
+#else
+		#error "a strange clock mode "	
+#endif
+	}
+
+	return 0;
+}
+
+int i2s_codec_frequency_config(i2s_config_type* ptri2s_config, unsigned long index)
+{
+#if defined(CONFIG_I2S_WM8960)||defined(CONFIG_I2S_WM8750)||defined(CONFIG_I2S_WM8751)
+	unsigned long data;
+	unsigned long* pTable;
+#endif
+
+#if defined(CONFIG_I2S_MCLK_12MHZ)
+#if defined(CONFIG_I2S_WM8960)||defined(CONFIG_I2S_WM8750)||defined(CONFIG_I2S_WM8751)
+	pTable = i2s_codec_12Mhz;
+	data = pTable[index];
+#endif
+#if defined(CONFIG_I2S_WM8960)
+	audiohw_set_frequency(data, ptri2s_config->codec_pll_en);
+#elif defined(CONFIG_I2S_WM8750)||defined(CONFIG_I2S_WM8751)
+	audiohw_set_frequency(data|0x01);
+#endif	
+#else
+#if defined(CONFIG_I2S_WM8960)||defined(CONFIG_I2S_WM8750)||defined(CONFIG_I2S_WM8751)
+#if defined(MT7623_FPGA_BOARD) && defined(CONFIG_I2S_WM8750)
+	pTable = i2s_codec_18p432Mhz;
+#else
+	pTable = i2s_codec_12p288Mhz;
+#endif
+	data = pTable[index];
+#endif
+#if defined(CONFIG_I2S_WM8960)
+	audiohw_set_frequency(data, ptri2s_config->codec_pll_en);
+#elif defined(CONFIG_I2S_WM8750)||defined(CONFIG_I2S_WM8751)
+	audiohw_set_frequency(data);
+#endif
+#endif
+	return 0;
+}
+
+/*
+ *  Ralink Audio System Clock Enable
+ *	
+ *  I2S_WS : signal direction opposite to/same as I2S_CLK 
+ *
+ *  I2S_CLK : Integer division or fractional division
+ *			  REFCLK from Internal or External (external REFCLK not support for fractional division)
+ *			  Suppose external REFCLK always be the same as external MCLK
+ * 		
+ *  MCLK : External OSC or internal generation
+ *
+ */
+int i2s_clock_enable(i2s_config_type* ptri2s_config)
+{
+	unsigned long index;
+	/* audio sampling rate decision */
+	switch(ptri2s_config->srate)
+	{
+		case 8000:
+			index = 0;
+			break;
+		case 11025:
+			index = 1;
+			break;
+		case 12000:
+			index = 2;
+			break;			
+		case 16000:
+			index = 3;
+			break;
+		case 22050:
+			index = 4;
+			break;
+        	case 24000:
+			index = 5;
+			break;	
+		case 32000:
+			index = 6;
+			break;			
+		case 44100:
+			index = 7;
+			break;
+		case 48000:
+			index = 8;
+			break;
+		case 88200:
+			index = 9;
+			break;	
+		case 96000:
+			index = 10;
+			break;
+#if defined(CONFIG_RALINK_MT7628) || defined(CONFIG_ARCH_MT7623)
+		case 176000:
+			index = 11;
+			break;
+		case 192000:
+			index = 12;
+			break;
+#endif
+		default:
+			index = 7;
+	}
+#ifdef MT7621_ASIC_BOARD
+        /* Set pll config  */
+        i2s_pll_config_mt7621(index);
+#endif
+#ifdef MT7623_ASIC_BOARD
+        /* Set pll config  */
+        i2s_pll_config_mt7623(index);
+#endif
+
+	/* enable internal MCLK */
+#if defined(CONFIG_I2S_IN_MCLK)
+#if defined(CONFIG_RALINK_MT7621)
+	i2s_pll_refclk_set();
+#endif
+#if defined(CONFIG_I2S_MCLK_12MHZ)
+#if defined(MT7628_ASIC_BOARD) || defined(CONFIG_ARCH_MT7623)
+        i2s_driving_strength_adjust();
+#endif
+	i2s_refclk_12m_enable();
+#endif /* MCLK_12MHZ */
+#if defined(CONFIG_I2S_MCLK_12P288MHZ)
+	i2s_refclk_12p288m_enable();
+#endif /* MCLK_12P288MHZ */
+#if defined(CONFIG_I2S_MCLK_18P432MHZ)
+	i2s_refclk_18p432m_enable(index);
+#endif
+	i2s_refclk_gpio_out_config();
+
+#else	
+	MSG("Disable SoC MCLK, use external OSC\n");
+	i2s_refclk_disable();
+	i2s_refclk_gpio_in_config();
+#endif /* CONFIG_I2S_IN_MCLK */	
+
+	i2s_share_pin_config(ptri2s_config);	
+	
+	if(ptri2s_config->slave_en==0)
+	{
+		/* Setup I2S_WS and I2S_CLK */
+		i2s_ws_config(ptri2s_config, index);	
+	}
+
+	i2s_mode_config(ptri2s_config->slave_en);
+
+	if(!ptri2s_config->bALSAEnable)
+	{
+#if defined(CONFIG_I2S_WM8750) || defined(CONFIG_I2S_WM8751)|| defined(CONFIG_I2S_WM8960)
+	i2s_codec_enable(ptri2s_config);
+#endif
+	i2s_codec_frequency_config(ptri2s_config,index);
+	}
+
+	return 0;
+}	
+
+int i2s_clock_disable(i2s_config_type* ptri2s_config)
+{
+	if(!ptri2s_config->bALSAEnable)
+	{
+#if defined(CONFIG_I2S_WM8960) || defined(CONFIG_I2S_WM8750) || defined(CONFIG_I2S_WM8751)
+	i2s_codec_disable(ptri2s_config);
+#endif
+	}
+
+	/* disable internal MCLK */
+#if defined(CONFIG_I2S_IN_MCLK)	
+	i2s_refclk_disable();
+	i2s_refclk_gpio_in_config();
+#endif
+	return 0;
+}	
+
+
+int i2s_codec_enable(i2s_config_type* ptri2s_config)
+{
+	
+	int AIn = 0, AOut = 0;
+#if 1
+#if defined(CONFIG_I2S_WM8960) || defined(CONFIG_I2S_WM8750) || defined(CONFIG_I2S_WM8751)
+	/* Codec initialization */
+	audiohw_preinit();
+#endif
+#endif
+
+#if defined(CONFIG_I2S_WM8960)
+	if(ptri2s_config->codec_pll_en)
+	{
+		MSG("Codec PLL EN = %d\n", pi2s_config->codec_pll_en);
+		audiohw_set_apll(ptri2s_config->srate);
+	}
+#endif
+
+#if defined(CONFIG_I2S_TXRX)	
+	if((ptri2s_config->bTxDMAEnable) || (ptri2s_config->txrx_coexist))
+		AOut = 1;
+	if((ptri2s_config->bRxDMAEnable) || (ptri2s_config->txrx_coexist))
+		AIn = 1;
+#if defined(CONFIG_I2S_WM8960)
+	audiohw_postinit(!(ptri2s_config->slave_en), AIn, AOut, ptri2s_config->codec_pll_en, ptri2s_config->wordlen_24b);
+	audiohw_micboost(ptri2s_config->micboost);	
+	audiohw_micin(ptri2s_config->micin);
+#elif defined(CONFIG_I2S_WM8750)
+	audiohw_postinit(!(ptri2s_config->slave_en), AIn, AOut, ptri2s_config->wordlen_24b);
+#endif
+	MSG("AOut=%d, AIn=%d\n", AOut, AIn);
+#else
+#if defined(CONFIG_I2S_WM8750)
+	audiohw_postinit(!(ptri2s_config->slave_en), 0, 1);
+#elif defined(CONFIG_I2S_WM8960)	
+	audiohw_postinit(!(ptri2s_config->slave_en), 1, 1, ptri2s_config->codec_pll_en);
+#elif defined(CONFIG_I2S_WM8751)	
+	if(ptri2s_config->slave_en==0)
+		audiohw_postinit(1,1);
+	else
+		audiohw_postinit(0,1);
+#endif		
+#endif
+	return 0;	
+}
+
+int i2s_codec_disable(i2s_config_type* ptri2s_config)
+{
+#if defined(CONFIG_I2S_WM8960) || defined(CONFIG_I2S_WM8750) || defined(CONFIG_I2S_WM8751)
+	audiohw_close();
+#endif
+	return 0;
+}	
+
+int i2s_reset_config(i2s_config_type* ptri2s_config)
+{
+	unsigned long data;
+
+	/* RESET bit: write 1 clear */
+#if defined(CONFIG_RALINK_RT6855A)
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x834);
+	data |= (1<<17);
+	i2s_outw(RALINK_SYSCTL_BASE+0x834, data);
+
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x834);
+	data &= ~(1<<17);
+	i2s_outw(RALINK_SYSCTL_BASE+0x834, data);
+#elif defined(CONFIG_ARCH_MT7623)
+	data = i2s_inw(0xFB000000+0x34);
+	data |= (1<<17);
+	i2s_outw(0xFB000000+0x34, data);
+
+	data = i2s_inw(0xFB000000+0x34);
+	data &= ~(1<<17);
+	i2s_outw(0xFB000000+0x34, data);
+#else
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x34);
+	data |= (1<<17);
+	i2s_outw(RALINK_SYSCTL_BASE+0x34, data);
+
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x34);
+	data &= ~(1<<17);
+	i2s_outw(RALINK_SYSCTL_BASE+0x34, data);
+
+#if 0  /* Reset GDMA */
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x34);
+	data |= (1<<14);
+	i2s_outw(RALINK_SYSCTL_BASE+0x34, data);
+
+	data = i2s_inw(RALINK_SYSCTL_BASE+0x34);
+	data &= ~(1<<14);
+	i2s_outw(RALINK_SYSCTL_BASE+0x34, data);
+#endif
+#endif
+	_printk("I2S reset complete!!\n");	
+	return 0;
+}
+
+int i2s_tx_config(i2s_config_type* ptri2s_config)
+{
+	unsigned long data;
+	/* set I2S_I2SCFG */
+	data = i2s_inw(I2S_I2SCFG);
+	data &= 0xFFFFFF81;
+	data |= REGBIT(ptri2s_config->tx_ff_thres, I2S_TX_FF_THRES);
+	data |= REGBIT(ptri2s_config->tx_ch_swap, I2S_TX_CH_SWAP);
+#if defined(CONFIG_RALINK_RT6855A)	
+	data |= REGBIT(1, I2S_BYTE_SWAP);
+#endif
+#if defined(CONFIG_RALINK_MT7628) || defined(CONFIG_ARCH_MT7623)
+	MSG("TX:wordLen=%d, sysEndian=%d\n", ptri2s_config->wordlen_24b, ptri2s_config->sys_endian);
+	data |= REGBIT(ptri2s_config->wordlen_24b, I2S_DATA_24BIT);
+	data |= REGBIT(ptri2s_config->sys_endian, I2S_SYS_ENDIAN);
+	data |= REGBIT(ptri2s_config->little_edn, I2S_LITTLE_ENDIAN);
+#endif	
+	data &= ~REGBIT(1, I2S_TX_CH0_OFF);
+	data &= ~REGBIT(1, I2S_TX_CH1_OFF);
+	i2s_outw(I2S_I2SCFG, data);
+
+	/* set I2S_I2SCFG1 */
+	MSG("internal loopback: %d\n", ptri2s_config->lbk);
+	data = i2s_inw(I2S_I2SCFG1);
+	data |= REGBIT(ptri2s_config->lbk, I2S_LBK_EN);
+	data |= REGBIT(ptri2s_config->extlbk, I2S_EXT_LBK_EN);
+	data &= 0xFFFFFFFC;
+#if defined(CONFIG_RALINK_MT7628) || defined(CONFIG_ARCH_MT7623)
+	data |= REGBIT(ptri2s_config->fmt, I2S_DATA_FMT);
+#endif
+	i2s_outw(I2S_I2SCFG1, data);
+	
+	return 0;
+}	
+
+int i2s_rx_config(i2s_config_type* ptri2s_config)
+{
+	unsigned long data;
+	/* set I2S_I2SCFG */
+	data = i2s_inw(I2S_I2SCFG);
+	data &= 0xFFFF81FF;
+	data |= REGBIT(ptri2s_config->rx_ff_thres, I2S_RX_FF_THRES);
+	data |= REGBIT(ptri2s_config->rx_ch_swap, I2S_RX_CH_SWAP);
+	data &= ~REGBIT(1, I2S_RX_CH0_OFF);
+	data &= ~REGBIT(1, I2S_RX_CH1_OFF);
+#if defined(CONFIG_RALINK_MT7628) || defined(CONFIG_ARCH_MT7623)
+	MSG("RX:wordLen=%d, sysEndian=%d\n", ptri2s_config->wordlen_24b, ptri2s_config->sys_endian);
+	data |= REGBIT(ptri2s_config->wordlen_24b, I2S_DATA_24BIT);
+	data |= REGBIT(ptri2s_config->sys_endian, I2S_SYS_ENDIAN);
+	data |= REGBIT(ptri2s_config->little_edn, I2S_LITTLE_ENDIAN);
+#endif	
+	i2s_outw(I2S_I2SCFG, data);
+
+	/* set I2S_I2SCFG1 */
+	data = i2s_inw(I2S_I2SCFG1);
+	data |= REGBIT(ptri2s_config->lbk, I2S_LBK_EN);
+	data |= REGBIT(ptri2s_config->extlbk, I2S_EXT_LBK_EN);
+#if defined(CONFIG_RALINK_MT7628) || defined(CONFIG_ARCH_MT7623)
+	data &= 0xFFFFFFFC;
+	data |= REGBIT(ptri2s_config->fmt, I2S_DATA_FMT);
+#endif
+	i2s_outw(I2S_I2SCFG1, data);
+	
+	return 0;	
+}
+
+/* Turn On Tx DMA and INT */
+int i2s_tx_enable(i2s_config_type* ptri2s_config)
+{
+	unsigned long data;
+
+#if defined(I2S_HW_INTERRUPT_EN)	
+	data = i2s_inw(I2S_INT_EN);
+	data |= REGBIT(0x1, I2S_TX_INT3_EN);  /* FIFO DMA fault */
+	data |= REGBIT(0x1, I2S_TX_INT2_EN);  /* FIFO overrun */
+	data |= REGBIT(0x1, I2S_TX_INT1_EN);  /* FIFO underrun */
+	data |= REGBIT(0x1, I2S_TX_INT0_EN);  /* FIFO below threshold */
+	i2s_outw(I2S_INT_EN, data);
+#endif	
+
+	data = i2s_inw(I2S_I2SCFG);
+#if defined(CONFIG_I2S_TXRX)	
+	data |= REGBIT(0x1, I2S_TX_EN);
+#endif	
+	data |= REGBIT(0x1, I2S_DMA_EN);
+	i2s_outw(I2S_I2SCFG, data);
+	
+	data = i2s_inw(I2S_I2SCFG);
+	data |= REGBIT(0x1, I2S_EN);
+	i2s_outw(I2S_I2SCFG, data);
+	
+	MSG("i2s_tx_enable done\n");
+	return I2S_OK;
+}
+
+/* Turn On Rx DMA and INT */
+int i2s_rx_enable(i2s_config_type* ptri2s_config)
+{
+	unsigned long data;
+
+#if defined(I2S_HW_INTERRUPT_EN)	
+	data = i2s_inw(I2S_INT_EN);
+	data |= REGBIT(0x1, I2S_RX_INT3_EN);  /* FIFO DMA fault */
+	data |= REGBIT(0x1, I2S_RX_INT2_EN);  /* FIFO overrun */
+	data |= REGBIT(0x1, I2S_RX_INT1_EN);  /* FIFO underrun */
+	data |= REGBIT(0x1, I2S_RX_INT0_EN);  /* FIFO below threshold */
+	i2s_outw(I2S_INT_EN, data);
+#endif
+	
+	data = i2s_inw(I2S_I2SCFG);
+#if defined(CONFIG_I2S_TXRX)	
+	data |= REGBIT(0x1, I2S_RX_EN);
+#endif	
+	data |= REGBIT(0x1, I2S_DMA_EN);
+	i2s_outw(I2S_I2SCFG, data);
+	
+	data = i2s_inw(I2S_I2SCFG);
+	data |= REGBIT(0x1, I2S_EN);
+	i2s_outw(I2S_I2SCFG, data);
+	
+	MSG("i2s_rx_enable done\n");
+	return I2S_OK;
+}
+/* Turn Off Tx DMA and INT */
+int i2s_tx_disable(i2s_config_type* ptri2s_config)
+{
+	unsigned long data;
+
+#if defined(I2S_HW_INTERRUPT_EN)	
+	data = i2s_inw(I2S_INT_EN);
+	data &= ~REGBIT(0x1, I2S_TX_INT3_EN);
+	data &= ~REGBIT(0x1, I2S_TX_INT2_EN);
+	data &= ~REGBIT(0x1, I2S_TX_INT1_EN);
+	data &= ~REGBIT(0x1, I2S_TX_INT0_EN);
+	i2s_outw(I2S_INT_EN, data);
+#endif	
+
+	data = i2s_inw(I2S_I2SCFG);
+#if defined(CONFIG_I2S_TXRX)	
+	data &= ~REGBIT(0x1, I2S_TX_EN);
+#endif	
+	if(ptri2s_config->bRxDMAEnable==0)
+	{
+		ptri2s_config->bTxDMAEnable = 0;
+		data &= ~REGBIT(0x1, I2S_DMA_EN);
+                data &= ~REGBIT(0x1, I2S_EN);
+	}
+	i2s_outw(I2S_I2SCFG, data);
+	return I2S_OK;
+}
+/* Turn Off Rx DMA and INT */	
+int i2s_rx_disable(i2s_config_type* ptri2s_config)
+{
+	unsigned long data;
+
+#if defined(I2S_HW_INTERRUPT_EN)	
+	data = i2s_inw(I2S_INT_EN);
+	data &= ~REGBIT(0x1, I2S_RX_INT3_EN);
+	data &= ~REGBIT(0x1, I2S_RX_INT2_EN);
+	data &= ~REGBIT(0x1, I2S_RX_INT1_EN);
+	data &= ~REGBIT(0x1, I2S_RX_INT0_EN);
+	i2s_outw(I2S_INT_EN, data);
+#endif
+	
+	data = i2s_inw(I2S_I2SCFG);
+#if defined(CONFIG_I2S_TXRX)	
+	data &= ~REGBIT(0x1, I2S_RX_EN);
+#endif
+	if(ptri2s_config->bTxDMAEnable==0)
+	{
+		ptri2s_config->bRxDMAEnable = 0;
+		data &= ~REGBIT(0x1, I2S_DMA_EN);
+                data &= ~REGBIT(0x1, I2S_EN);
+	}
+	i2s_outw(I2S_I2SCFG, data);
+	return I2S_OK;
+}
+
+int i2s_dma_tx_transf_data(i2s_config_type* ptri2s_config, u32 dma_ch)
+{
+	int tx_r_idx;
+ 
+	if ((pi2s_config->bALSAEnable==1) && (pi2s_config->bALSAMMAPEnable==1))
+		tx_r_idx = (pi2s_config->tx_r_idx + ALSA_MMAP_IDX_SHIFT)%MAX_I2S_PAGE;
+	else
+		tx_r_idx = pi2s_config->tx_r_idx;
+
+	if(dma_ch==GDMA_I2S_TX0)
+        {
+#if defined(CONFIG_I2S_MMAP)
+		dma_sync_single_for_device(NULL,  i2s_mmap_addr[tx_r_idx], I2S_PAGE_SIZE, DMA_TO_DEVICE);
+#if defined(ARM_ARCH)
+		GdmaI2sTx(i2s_mmap_addr[tx_r_idx], I2S_TX_FIFO_WREG_PHY, 0, I2S_PAGE_SIZE, i2s_dma_tx_handler, i2s_dma_tx_unmask_handler);
+#else
+                GdmaI2sTx((u32)(pi2s_config->pMMAPTxBufPtr[tx_r_idx]), I2S_TX_FIFO_WREG, 0, I2S_PAGE_SIZE, i2s_dma_tx_handler, i2s_dma_tx_unmask_handler);
+#endif
+#else
+                memcpy(pi2s_config->pPage0TxBuf8ptr,  pi2s_config->pMMAPTxBufPtr[tx_r_idx], I2S_PAGE_SIZE);
+#if defined(ARM_ARCH)
+		GdmaI2sTx(i2s_txdma_addr0, I2S_TX_FIFO_WREG_PHY, 0, I2S_PAGE_SIZE, i2s_dma_tx_handler, i2s_dma_tx_unmask_handler);
+#else
+                GdmaI2sTx((u32)(pi2s_config->pPage0TxBuf8ptr), I2S_TX_FIFO_WREG, 0, I2S_PAGE_SIZE, i2s_dma_tx_handler, i2s_dma_tx_unmask_handler);
+#endif
+#endif
+                pi2s_config->dmach = GDMA_I2S_TX0;
+                pi2s_config->tx_r_idx = (pi2s_config->tx_r_idx+1)%MAX_I2S_PAGE;
+	}
+        else
+        {
+#if defined(CONFIG_I2S_MMAP)
+		dma_sync_single_for_device(NULL,  i2s_mmap_addr[tx_r_idx], I2S_PAGE_SIZE, DMA_TO_DEVICE);
+#if defined(ARM_ARCH)
+		GdmaI2sTx(i2s_mmap_addr[tx_r_idx], I2S_TX_FIFO_WREG_PHY, 1, I2S_PAGE_SIZE, i2s_dma_tx_handler, i2s_dma_tx_unmask_handler);
+#else
+                GdmaI2sTx((u32)(pi2s_config->pMMAPTxBufPtr[tx_r_idx]), I2S_TX_FIFO_WREG, 1, I2S_PAGE_SIZE, i2s_dma_tx_handler, i2s_dma_tx_unmask_handler);
+#endif
+#else
+                memcpy(pi2s_config->pPage1TxBuf8ptr,  pi2s_config->pMMAPTxBufPtr[tx_r_idx], I2S_PAGE_SIZE);
+#if defined(ARM_ARCH)
+		GdmaI2sTx(i2s_txdma_addr1, I2S_TX_FIFO_WREG_PHY, 1, I2S_PAGE_SIZE, i2s_dma_tx_handler, i2s_dma_tx_unmask_handler);
+#else
+                GdmaI2sTx((u32)(pi2s_config->pPage1TxBuf8ptr), I2S_TX_FIFO_WREG, 1, I2S_PAGE_SIZE, i2s_dma_tx_handler, i2s_dma_tx_unmask_handler);
+#endif
+#endif
+                pi2s_config->dmach = GDMA_I2S_TX1;
+                pi2s_config->tx_r_idx = (pi2s_config->tx_r_idx+1)%MAX_I2S_PAGE;
+	}
+#if defined(CONFIG_I2S_WITH_AEC)
+	if(aecFuncP->AECFeEnq){
+		aecFuncP->AECFeEnq(0,pi2s_config->pMMAPTxBufPtr[pi2s_config->tx_r_idx],I2S_PAGE_SIZE);
+	}
+#endif
+	return 0;
+}
+
+int i2s_dma_tx_transf_zero(i2s_config_type* ptri2s_config, u32 dma_ch)
+{
+	if(dma_ch==GDMA_I2S_TX0)
+        {
+         	memset(pi2s_config->pPage0TxBuf8ptr, 0, I2S_PAGE_SIZE);
+#if defined(ARM_ARCH)
+		GdmaI2sTx(i2s_txdma_addr0, I2S_TX_FIFO_WREG_PHY, 0, I2S_PAGE_SIZE, i2s_dma_tx_handler, i2s_dma_tx_unmask_handler);
+#else
+                GdmaI2sTx((u32)pi2s_config->pPage0TxBuf8ptr, I2S_TX_FIFO_WREG, 0, I2S_PAGE_SIZE, i2s_dma_tx_handler, i2s_dma_tx_unmask_handler);
+#endif
+        }
+        else
+        {
+                memset(pi2s_config->pPage1TxBuf8ptr, 0, I2S_PAGE_SIZE);
+#if defined(ARM_ARCH)
+		GdmaI2sTx(i2s_txdma_addr1, I2S_TX_FIFO_WREG_PHY, 1, I2S_PAGE_SIZE, i2s_dma_tx_handler, i2s_dma_tx_unmask_handler);
+#else
+                GdmaI2sTx((u32)pi2s_config->pPage1TxBuf8ptr, I2S_TX_FIFO_WREG, 1, I2S_PAGE_SIZE, i2s_dma_tx_handler, i2s_dma_tx_unmask_handler);
+#endif
+        }
+	return 0;
+}
+
+int i2s_dma_rx_transf_data(i2s_config_type* ptri2s_config, u32 dma_ch)
+{
+	int rx_w_idx;
+
+	pi2s_config->rx_w_idx = (pi2s_config->rx_w_idx+1)%MAX_I2S_PAGE;
+
+	if ((pi2s_config->bALSAEnable==1) && (pi2s_config->bALSAMMAPEnable==1))
+		rx_w_idx = (pi2s_config->rx_w_idx+ALSA_MMAP_IDX_SHIFT)%MAX_I2S_PAGE;
+	else
+		rx_w_idx = (pi2s_config->rx_w_idx)%MAX_I2S_PAGE;
+
+	if(dma_ch==GDMA_I2S_RX0)
+        {
+                
+#ifdef CONFIG_I2S_MMAP
+                dma_sync_single_for_device(NULL,  i2s_mmap_addr[rx_w_idx+(pi2s_config->mmap_index-MAX_I2S_PAGE)], I2S_PAGE_SIZE, DMA_FROM_DEVICE);
+#if defined(ARM_ARCH)
+		GdmaI2sRx(I2S_RX_FIFO_RREG_PHY, (u32)i2s_mmap_addr[rx_w_idx+(pi2s_config->mmap_index-MAX_I2S_PAGE)], 0, I2S_PAGE_SIZE, i2s_dma_rx_handler, i2s_dma_rx_unmask_handler);
+#else
+                GdmaI2sRx(I2S_RX_FIFO_RREG, (u32)(pi2s_config->pMMAPRxBufPtr[rx_w_idx]), 0, I2S_PAGE_SIZE, i2s_dma_rx_handler, i2s_dma_rx_unmask_handler);
+#endif
+#else
+                memcpy(pi2s_config->pMMAPRxBufPtr[rx_w_idx], pi2s_config->pPage0RxBuf8ptr, I2S_PAGE_SIZE);
+#if defined(ARM_ARCH)
+		GdmaI2sRx(I2S_RX_FIFO_RREG_PHY, i2s_rxdma_addr0, 0, I2S_PAGE_SIZE, i2s_dma_rx_handler, i2s_dma_rx_unmask_handler);
+#else
+                GdmaI2sRx(I2S_RX_FIFO_RREG, (u32)(pi2s_config->pPage0RxBuf8ptr), 0, I2S_PAGE_SIZE, i2s_dma_rx_handler, i2s_dma_rx_unmask_handler);
+#endif
+#endif
+                pi2s_config->dmach = GDMA_I2S_RX0;
+        }
+	else
+        {
+                
+#ifdef CONFIG_I2S_MMAP
+                dma_sync_single_for_device(NULL,  i2s_mmap_addr[rx_w_idx+(pi2s_config->mmap_index-MAX_I2S_PAGE)], I2S_PAGE_SIZE, DMA_FROM_DEVICE);
+#if defined(ARM_ARCH)
+		GdmaI2sRx(I2S_RX_FIFO_RREG_PHY, (u32)i2s_mmap_addr[rx_w_idx+(pi2s_config->mmap_index-MAX_I2S_PAGE)], 1, I2S_PAGE_SIZE, i2s_dma_rx_handler, i2s_dma_rx_unmask_handler);
+#else
+                GdmaI2sRx(I2S_RX_FIFO_RREG, (u32)(pi2s_config->pMMAPRxBufPtr[rx_w_idx]), 1, I2S_PAGE_SIZE, i2s_dma_rx_handler, i2s_dma_rx_unmask_handler);
+#endif
+#else
+                memcpy(pi2s_config->pMMAPRxBufPtr[rx_w_idx], pi2s_config->pPage1RxBuf8ptr, I2S_PAGE_SIZE);
+#if defined(ARM_ARCH)
+		GdmaI2sRx(I2S_RX_FIFO_RREG_PHY, i2s_rxdma_addr1, 1, I2S_PAGE_SIZE, i2s_dma_rx_handler, i2s_dma_rx_unmask_handler);
+#else
+                GdmaI2sRx(I2S_RX_FIFO_RREG, (u32)(pi2s_config->pPage1RxBuf8ptr), 1, I2S_PAGE_SIZE, i2s_dma_rx_handler, i2s_dma_rx_unmask_handler);
+#endif
+#endif
+                pi2s_config->dmach = GDMA_I2S_RX1;
+
+        }
+#if defined(CONFIG_I2S_WITH_AEC)
+		if(aecFuncP->AECNeEnq){
+			aecFuncP->AECNeEnq(0,pi2s_config->pMMAPRxBufPtr[rx_w_idx],I2S_PAGE_SIZE);
+		}
+#endif
+	return 0;
+}
+
+int i2s_dma_rx_transf_zero(i2s_config_type* ptri2s_config, u32 dma_ch)
+{
+	if(dma_ch==GDMA_I2S_RX0)
+        {	
+		memset(pi2s_config->pPage0RxBuf8ptr, 0, I2S_PAGE_SIZE);
+#if defined(ARM_ARCH)
+		GdmaI2sRx(I2S_RX_FIFO_RREG_PHY, i2s_rxdma_addr0, 0, I2S_PAGE_SIZE, i2s_dma_rx_handler, i2s_dma_rx_unmask_handler);
+#else
+        	GdmaI2sRx(I2S_RX_FIFO_RREG, (u32)pi2s_config->pPage0RxBuf8ptr, 0, I2S_PAGE_SIZE, i2s_dma_rx_handler, i2s_dma_rx_unmask_handler);
+#endif
+        }
+        else
+       	{
+		memset(pi2s_config->pPage1RxBuf8ptr, 0, I2S_PAGE_SIZE);
+#if defined(ARM_ARCH)
+		GdmaI2sRx(I2S_RX_FIFO_RREG_PHY, i2s_rxdma_addr1, 1, I2S_PAGE_SIZE, i2s_dma_rx_handler, i2s_dma_rx_unmask_handler);
+#else
+                GdmaI2sRx(I2S_RX_FIFO_RREG, (u32)pi2s_config->pPage1RxBuf8ptr, 1, I2S_PAGE_SIZE, i2s_dma_rx_handler, i2s_dma_rx_unmask_handler);
+#endif
+        }
+	return 0;
+}
+
+void i2s_dma_tx_handler(u32 dma_ch)
+{
+	pi2s_config->enLable = 1; /* TX:enLabel=1; RX:enLabel=2 */
+
+	if(pi2s_config->bTxDMAEnable==0) 
+	{
+		if(pi2s_config->end_cnt != 0)
+		{
+			i2s_dma_tx_transf_data(pi2s_config, dma_ch);
+			pi2s_config->end_cnt --;
+	        	MSG("end_cnt = %d, r_idx = %d\n", pi2s_config->end_cnt, pi2s_config->tx_r_idx);
+		}
+		else
+		{
+			pi2s_config->tx_stop_cnt++;
+			i2s_dma_tx_soft_stop(pi2s_config, dma_ch);
+			MSG("tx_stop=%d, ch=%d\n", pi2s_config->tx_stop_cnt, dma_ch);
+			if (pi2s_config->tx_stop_cnt == 3)
+			{
+                        	wake_up_interruptible(&(pi2s_config->i2s_tx_qh));
+				_printk("T:wake up!!\n");
+			}
+		}
+		return;
+	}
+	
+	pi2s_config->tx_isr_cnt++;
+
+#ifdef 	I2S_STATISTIC
+	i2s_int_status(dma_ch);
+#endif
+	/* FIXME */
+	if(pi2s_config->bALSAEnable)
+	{
+		if(pi2s_config->dmaStat[STREAM_PLAYBACK])
+		{
+			if(!pi2s_config->bTrigger[STREAM_PLAYBACK]){
+				//_printk("trigger stop: rIdx:%d widx:%d\n", pi2s_config->tx_r_idx,pi2s_config->tx_w_idx);
+                                i2s_dma_tx_transf_zero(pi2s_config, dma_ch);
+                                if(pi2s_config->bPreTrigger[STREAM_PLAYBACK]){
+                                        /* mtk04880 commented:
+                                         * for corner case, there are cases which ALSA Trigger stop before disabling DMA.
+                                         * For which case, it needs to keep call snd_pcm_elapased to keep ALSA hw ptr updating.
+                                         * It is so called post stop handlment.
+                                         */
+                                        //_printk("post-stop\n");
+                                        goto EXIT;
+                                }
+                                else{
+                                        //_printk("pre-stop\n");
+                                        wake_up_interruptible(&(pi2s_config->i2s_tx_qh));
+                                        return;
+                                }
+                        }
+                        else{
+                                if(!pi2s_config->bPreTrigger[STREAM_PLAYBACK])
+                                        pi2s_config->bPreTrigger[STREAM_PLAYBACK] = 1;
+
+			}
+		}	
+	}
+	else
+	{
+		if(pi2s_config->tx_r_idx==pi2s_config->tx_w_idx)
+		{
+			/* Buffer Empty */
+			MSG("TXBE r=%d w=%d[i=%u,c=%u]\n",pi2s_config->tx_r_idx,pi2s_config->tx_w_idx,pi2s_config->tx_isr_cnt,dma_ch);
+#ifdef I2S_STATISTIC		
+			pi2s_status->txbuffer_unrun++;
+#endif	
+			i2s_dma_tx_transf_zero(pi2s_config, dma_ch);
+			goto EXIT;	
+		}
+	}
+
+	if(pi2s_config->pMMAPTxBufPtr[pi2s_config->tx_r_idx]==NULL)
+	{
+		MSG("mmap buf NULL [%d]\n",pi2s_config->tx_r_idx);
+		i2s_dma_tx_transf_zero(pi2s_config, dma_ch);
+
+		goto EXIT;	
+	}
+
+	if(pi2s_config->tx_pause_en == 1)
+	{
+		/* Enable PAUSE */
+		MSG("TX pause now\n");
+		i2s_dma_tx_transf_zero(pi2s_config, dma_ch);
+
+		goto EXIT;	
+	}
+
+#ifdef I2S_STATISTIC	
+	pi2s_status->txbuffer_len--;
+#endif
+	i2s_dma_tx_transf_data(pi2s_config, dma_ch);
+
+EXIT:
+#if defined(CONFIG_SND_MT76XX_SOC)
+	if(pi2s_config->bALSAEnable == 1){
+		if(pi2s_config->pss[STREAM_PLAYBACK])
+			snd_pcm_period_elapsed(pi2s_config->pss[STREAM_PLAYBACK]);
+	}
+#endif
+	wake_up_interruptible(&(pi2s_config->i2s_tx_qh));		
+	return;
+}
+
+void i2s_dma_rx_handler(u32 dma_ch)
+{
+	pi2s_config->enLable = 2; /* TX:enLabel=1; RX:enLabel=2 */
+#if defined(CONFIG_I2S_TXRX)
+	if(pi2s_config->rx_isr_cnt==0)
+	{
+		pi2s_config->next_p0_idx = 0;
+		pi2s_config->next_p1_idx = 1;
+	}	
+	pi2s_config->rx_isr_cnt++;
+	
+#ifdef  I2S_STATISTIC
+	i2s_int_status(dma_ch);
+#endif
+
+	if (pi2s_config->bRxDMAEnable==0)
+	{
+		pi2s_config->rx_stop_cnt++;
+		i2s_dma_rx_soft_stop(pi2s_config, dma_ch);
+		MSG("rx_stop=%d\n", pi2s_config->rx_stop_cnt);
+
+		if(pi2s_config->rx_stop_cnt == 2)
+		{
+			wake_up_interruptible(&(pi2s_config->i2s_rx_qh));
+			_printk("R:wake up!!\n");
+		}
+		return;	
+	}
+
+	if(pi2s_config->bALSAEnable)
+	{
+		 if(pi2s_config->dmaStat[STREAM_CAPTURE]){
+			if(!pi2s_config->bTrigger[STREAM_CAPTURE]){
+                                MSG("trigger stop: rIdx:%d widx:%d\n", pi2s_config->rx_r_idx,pi2s_config->rx_w_idx);
+				i2s_dma_rx_transf_zero(pi2s_config, dma_ch);
+                                wake_up_interruptible(&(pi2s_config->i2s_rx_qh));
+                                return;
+			}
+		 }
+	}
+	else
+	{
+		if(((pi2s_config->rx_w_idx+1)%MAX_I2S_PAGE)==pi2s_config->rx_r_idx){
+			/* Buffer Full */
+			MSG("RXBF r=%d w=%d[i=%u,c=%u]\n",pi2s_config->rx_r_idx,pi2s_config->rx_w_idx,pi2s_config->rx_isr_cnt,dma_ch);
+#ifdef I2S_STATISTIC		
+			pi2s_status->rxbuffer_unrun++;
+#endif	
+			i2s_dma_rx_transf_zero(pi2s_config, dma_ch);
+			goto EXIT;	
+		}
+	}
+
+	if(pi2s_config->rx_pause_en == 1)
+	{
+		/* Enable PAUSE */
+		i2s_dma_rx_transf_zero(pi2s_config, dma_ch);
+
+		goto EXIT;	
+	}
+
+#ifdef I2S_STATISTIC	
+	pi2s_status->rxbuffer_len++;
+#endif
+	i2s_dma_rx_transf_data(pi2s_config, dma_ch);
+
+EXIT:
+#if defined(CONFIG_SND_MT76XX_SOC)
+	if(pi2s_config->bALSAEnable == 1){
+		if(pi2s_config->pss[STREAM_CAPTURE])
+			snd_pcm_period_elapsed(pi2s_config->pss[STREAM_CAPTURE]);
+	}
+#endif
+	wake_up_interruptible(&(pi2s_config->i2s_rx_qh));
+#endif	
+	return;
+}
+
+#ifdef I2S_STATISTIC
+void i2s_int_status(u32 dma_ch)
+{
+	u32 i2s_status;
+	
+	if((pi2s_config->tx_isr_cnt>0)||(pi2s_config->rx_isr_cnt>0))
+	{
+		i2s_status = i2s_inw(I2S_INT_STATUS);
+		
+		if(i2s_status&REGBIT(1, I2S_TX_DMA_FAULT))
+		{
+			pi2s_status->txdmafault++;
+		}
+		if(i2s_status&REGBIT(1, I2S_TX_OVRUN))
+		{
+			pi2s_status->txovrun++;
+		}
+		if(i2s_status&REGBIT(1, I2S_TX_UNRUN))
+		{
+			pi2s_status->txunrun++;
+		}
+		if(i2s_status&REGBIT(1, I2S_TX_THRES))
+		{
+			pi2s_status->txthres++;
+		}
+		if(i2s_status&REGBIT(1, I2S_RX_DMA_FAULT))
+		{
+			pi2s_status->rxdmafault++;
+		}
+		if(i2s_status&REGBIT(1, I2S_RX_OVRUN))
+		{
+			pi2s_status->rxovrun++;
+		}
+		if(i2s_status&REGBIT(1, I2S_RX_UNRUN))
+		{
+			pi2s_status->rxunrun++;
+		}
+		if(i2s_status&REGBIT(1, I2S_RX_THRES))
+		{
+			pi2s_status->rxthres++;
+		}
+	}
+#if 0
+	if(pi2s_config->enLable == 1)
+	{
+		if((pi2s_config->tx_isr_cnt>0) && (pi2s_config->tx_isr_cnt%40==0))
+		{
+			MSG("tisr i=%u,ch=%u,o=%u,u=%d,s=%X [r=%d,w=%d]\n",\
+				pi2s_config->tx_isr_cnt,dma_ch,pi2s_status->txovrun,pi2s_status->txunrun,\
+				i2s_inw(I2S_INT_STATUS),pi2s_config->tx_r_idx,pi2s_config->tx_w_idx);
+		}
+	}
+	
+	if(pi2s_config->enLable == 2)
+	{
+		if((pi2s_config->rx_isr_cnt>0) && (pi2s_config->rx_isr_cnt%40==0))
+		{
+			MSG("risr i=%u,ch=%u,o=%u,u=%d,s=%X [r=%d,w=%d]\n",\
+				pi2s_config->rx_isr_cnt,dma_ch,pi2s_status->rxovrun,pi2s_status->rxunrun,\
+				i2s_inw(I2S_INT_STATUS),pi2s_config->rx_r_idx,pi2s_config->rx_w_idx);
+		}
+	}
+#endif
+	
+	*(unsigned long*)(I2S_INT_STATUS) = 0xFFFFFFFF;
+}
+#endif
+
+#if defined(I2S_HW_INTERRUPT_EN)&&(I2S_SW_IRQ_EN)
+irqreturn_t i2s_irq_isr(int irq, void *irqaction)
+{
+	u32 i2s_status;
+	
+	//MSG("i2s_irq_isr [0x%08X]\n",i2s_inw(I2S_INT_STATUS));
+	if((pi2s_config->tx_isr_cnt>0)||(pi2s_config->rx_isr_cnt>0))
+	{
+		i2s_status = i2s_inw(I2S_INT_STATUS);
+		MSG("i2s_irq_isr [0x%08X]\n",i2s_status);
+	}
+	else
+		return IRQ_HANDLED;
+		
+	if(i2s_status&REGBIT(1, I2S_TX_DMA_FAULT))
+	{
+#ifdef I2S_STATISTIC
+		pi2s_status->txdmafault++;
+#endif
+	}
+	if(i2s_status&REGBIT(1, I2S_TX_OVRUN))
+	{
+#ifdef I2S_STATISTIC
+		pi2s_status->txovrun++;
+#endif
+	}
+	if(i2s_status&REGBIT(1, I2S_TX_UNRUN))
+	{
+#ifdef I2S_STATISTIC
+		pi2s_status->txunrun++;
+#endif
+	}
+	if(i2s_status&REGBIT(1, I2S_TX_THRES))
+	{
+#ifdef I2S_STATISTIC
+		pi2s_status->txthres++;
+#endif
+	}
+	if(i2s_status&REGBIT(1, I2S_RX_DMA_FAULT))
+	{
+#ifdef I2S_STATISTIC
+		pi2s_status->rxdmafault++;
+#endif
+	}
+	if(i2s_status&REGBIT(1, I2S_RX_OVRUN))
+	{
+#ifdef I2S_STATISTIC
+		pi2s_status->rxovrun++;
+#endif
+	}
+	if(i2s_status&REGBIT(1, I2S_RX_UNRUN))
+	{
+#ifdef I2S_STATISTIC
+		pi2s_status->rxunrun++;
+#endif
+	}
+	if(i2s_status&REGBIT(1, I2S_RX_THRES))
+	{
+#ifdef I2S_STATISTIC
+		pi2s_status->rxthres++;
+#endif
+	}
+	i2s_outw(I2S_INT_STATUS, 0xFFFFFFFF);
+	return IRQ_HANDLED;
+}
+#endif
+
+void i2s_tx_task(unsigned long pData)
+{
+	unsigned long flags;
+	spin_lock_irqsave(&pi2s_config->lock, flags);
+	//if (pi2s_config->bTxDMAEnable!=0)
+	{	
+		if (pi2s_config->tx_unmask_ch!=0)
+		{
+			u32 dmach = pi2s_config->tx_unmask_ch;
+			u32 ch;
+			for (ch = 0; ch < 16; ch++)
+			{
+				if (dmach& (1<<ch))
+				{
+					MSG("do unmask ch%d tisr=%d in tx_isr\n",ch,pi2s_config->tx_isr_cnt);
+					GdmaUnMaskChannel(ch);
+				}	
+			}
+			pi2s_config->tx_unmask_ch = 0;	
+		}
+	}	
+	spin_unlock_irqrestore(&pi2s_config->lock, flags);
+}
+
+void i2s_rx_task(unsigned long pData)
+{
+	unsigned long flags;
+	spin_lock_irqsave(&pi2s_config->lock, flags);
+	//if (pi2s_config->bRxDMAEnable!=0)
+	{	
+		if (pi2s_config->rx_unmask_ch!=0)
+		{
+			u32 dmach = pi2s_config->rx_unmask_ch;
+			u32 ch;
+			for (ch = 0; ch < 16; ch++)
+			{
+				if (dmach& (1<<ch))
+				{
+					MSG("do unmask ch%d risr=%d in rx_isr\n",ch,pi2s_config->rx_isr_cnt);
+					GdmaUnMaskChannel(ch);
+				}	
+			}
+			pi2s_config->rx_unmask_ch = 0;	
+	
+		}
+	}	
+	spin_unlock_irqrestore(&pi2s_config->lock, flags);
+}
+
+
+void i2s_dma_unmask_handler(u32 dma_ch)
+{
+	MSG("i2s_dma_unmask_handler ch=%d\n",dma_ch);
+	
+	GdmaUnMaskChannel(dma_ch);
+
+	return;
+}
+
+void i2s_dma_tx_unmask_handler(u32 dma_ch)
+{
+	MSG("i2s_dma_tx_unmask_handler ch=%d\n",dma_ch);
+	pi2s_config->tx_unmask_ch |= (1<<dma_ch);
+	tasklet_hi_schedule(&i2s_tx_tasklet);
+	return;
+}
+
+void i2s_dma_rx_unmask_handler(u32 dma_ch)
+{
+	MSG("i2s_dma_rx_unmask_handler ch=%d\n",dma_ch);
+	pi2s_config->rx_unmask_ch |= (1<<dma_ch);
+	tasklet_hi_schedule(&i2s_rx_tasklet);
+	return;
+}
+
+void i2s_dma_mask_handler(u32 dma_ch)
+{
+        MSG("i2s_dma_mask_handler ch=%d\n", dma_ch);
+        GdmaMaskChannel(dma_ch);
+        return;
+}
+
+void i2s_dma_tx_init(i2s_config_type* ptri2s_config)
+{
+	memset(pi2s_config->pPage0TxBuf8ptr, 0, I2S_PAGE_SIZE);
+	memset(pi2s_config->pPage1TxBuf8ptr, 0, I2S_PAGE_SIZE);
+#if defined(ARM_ARCH)
+	GdmaI2sTx(i2s_txdma_addr0, I2S_TX_FIFO_WREG_PHY, 0, I2S_PAGE_SIZE, i2s_dma_tx_handler, i2s_dma_tx_unmask_handler);
+	GdmaI2sTx(i2s_txdma_addr1, I2S_TX_FIFO_WREG_PHY, 1, I2S_PAGE_SIZE, i2s_dma_tx_handler, i2s_dma_tx_unmask_handler);
+#else
+	GdmaI2sTx((u32)ptri2s_config->pPage0TxBuf8ptr, I2S_FIFO_WREG, 0, I2S_PAGE_SIZE, i2s_dma_tx_handler, i2s_dma_tx_unmask_handler);
+	GdmaI2sTx((u32)ptri2s_config->pPage1TxBuf8ptr, I2S_FIFO_WREG, 1, I2S_PAGE_SIZE, i2s_dma_tx_handler, i2s_dma_tx_unmask_handler);
+#endif
+
+	return;
+}
+
+void i2s_dma_rx_init(i2s_config_type* ptri2s_config)
+{
+	memset(pi2s_config->pPage0RxBuf8ptr, 0, I2S_PAGE_SIZE);
+	memset(pi2s_config->pPage1RxBuf8ptr, 0, I2S_PAGE_SIZE);
+
+#if defined(ARM_ARCH)
+	GdmaI2sRx(I2S_RX_FIFO_RREG_PHY, i2s_rxdma_addr0, 0, I2S_PAGE_SIZE, i2s_dma_rx_handler, i2s_dma_rx_unmask_handler);
+	GdmaI2sRx(I2S_RX_FIFO_RREG_PHY, i2s_rxdma_addr1, 1, I2S_PAGE_SIZE, i2s_dma_rx_handler, i2s_dma_rx_unmask_handler);
+#else
+	GdmaI2sRx(I2S_RX_FIFO_RREG, (u32)ptri2s_config->pPage0RxBuf8ptr, 0, I2S_PAGE_SIZE, i2s_dma_rx_handler, i2s_dma_rx_unmask_handler);
+	GdmaI2sRx(I2S_RX_FIFO_RREG, (u32)ptri2s_config->pPage1RxBuf8ptr, 1, I2S_PAGE_SIZE, i2s_dma_rx_handler, i2s_dma_rx_unmask_handler);
+#endif
+
+	return;
+}
+
+void i2s_dma_tx_end_handle(i2s_config_type* ptri2s_config)
+{
+	if (ptri2s_config->tx_w_idx < ptri2s_config->tx_r_idx)
+        {
+        	ptri2s_config->end_cnt = (ptri2s_config->tx_w_idx + MAX_I2S_PAGE)-ptri2s_config->tx_r_idx;
+                _printk("case1: w=%d, r=%d, end=%d\n", ptri2s_config->tx_w_idx, ptri2s_config->tx_r_idx, ptri2s_config->end_cnt);
+        }
+        else if (ptri2s_config->tx_w_idx > ptri2s_config->tx_r_idx)
+        {
+                ptri2s_config->end_cnt = ptri2s_config->tx_w_idx-ptri2s_config->tx_r_idx;
+                _printk("case2: w=%d, r=%d, end=%d\n", ptri2s_config->tx_w_idx, ptri2s_config->tx_r_idx, ptri2s_config->end_cnt);
+        }
+	else
+	{
+		_printk("case3: w=%d, r=%d, end=%d\n", ptri2s_config->tx_w_idx, ptri2s_config->tx_r_idx, ptri2s_config->end_cnt);
+		
+	}
+
+	if (ptri2s_config->end_cnt > 0)
+	{
+		interruptible_sleep_on(&(ptri2s_config->i2s_tx_qh));
+	}
+
+	return;
+}
+
+void i2s_tx_end_sleep_on(i2s_config_type* ptri2s_config)
+{
+	while(ptri2s_config->tx_stop_cnt<3)
+		interruptible_sleep_on(&(ptri2s_config->i2s_tx_qh));
+	
+	return;
+}
+
+void i2s_rx_end_sleep_on(i2s_config_type* ptri2s_config)
+{
+	while(ptri2s_config->rx_stop_cnt<2)
+		interruptible_sleep_on(&(ptri2s_config->i2s_rx_qh));
+	return;
+}
+
+int i2s_dma_tx_soft_stop(i2s_config_type* ptri2s_config, u32 dma_ch)
+{
+	if(dma_ch==GDMA_I2S_TX0)
+        {
+#if defined(ARM_ARCH)
+		GdmaI2sTx(i2s_txdma_addr0, I2S_TX_FIFO_WREG_PHY, 0, 4, i2s_dma_tx_handler, i2s_dma_tx_unmask_handler);
+#else
+		GdmaI2sTx((u32)pi2s_config->pPage0TxBuf8ptr, I2S_TX_FIFO_WREG, 0, 4, i2s_dma_tx_handler, i2s_dma_tx_unmask_handler);
+#endif
+        }
+        else
+        {
+#if defined(ARM_ARCH)
+		GdmaI2sTx(i2s_txdma_addr1, I2S_TX_FIFO_WREG_PHY, 1, 4, i2s_dma_tx_handler, i2s_dma_tx_unmask_handler);
+#else
+                GdmaI2sTx((u32)pi2s_config->pPage1TxBuf8ptr, I2S_TX_FIFO_WREG, 1, 4, i2s_dma_tx_handler, i2s_dma_tx_unmask_handler);
+#endif
+        }
+
+	return 0;
+}
+
+int i2s_dma_rx_soft_stop(i2s_config_type* ptri2s_config, u32 dma_ch)
+{
+	if(dma_ch==GDMA_I2S_RX0)
+        {
+		memset(pi2s_config->pPage0RxBuf8ptr, 0, I2S_PAGE_SIZE);
+#if defined(ARM_ARCH)
+		GdmaI2sRx(I2S_RX_FIFO_RREG_PHY, i2s_rxdma_addr0, 0, 4, i2s_dma_rx_handler, i2s_dma_rx_unmask_handler);
+#else
+		GdmaI2sRx(I2S_RX_FIFO_RREG, (u32)pi2s_config->pPage0RxBuf8ptr, 0, 4, i2s_dma_rx_handler, i2s_dma_rx_unmask_handler);
+#endif
+        }
+        else
+        {
+		memset(pi2s_config->pPage1RxBuf8ptr, 0, I2S_PAGE_SIZE);
+#if defined(ARM_ARCH)
+		GdmaI2sRx(I2S_RX_FIFO_RREG_PHY, i2s_rxdma_addr1, 1, 4, i2s_dma_rx_handler, i2s_dma_rx_unmask_handler);
+#else
+                GdmaI2sRx(I2S_RX_FIFO_RREG, (u32)pi2s_config->pPage1RxBuf8ptr, 1, 4, i2s_dma_rx_handler, i2s_dma_rx_unmask_handler);
+#endif
+        }
+
+	return 0;
+}
+
+void i2s_gen_test_pattern(void)
+{
+	int i;
+	for (i=0; i<I2S_PAGE_SIZE; i++)
+	{
+		test_buf[i] = 0x5A;
+		test_buf_1[i] = 0x11;
+		test_buf_2[i] = 0x22;
+
+	}
+}
+
+int i2s_put_audio(i2s_config_type* ptri2s_config, unsigned long arg)
+{
+	unsigned long flags;
+	int tx_w_idx;
+
+	do{
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+
+		if(((ptri2s_config->tx_w_idx+4)%MAX_I2S_PAGE)!=ptri2s_config->tx_r_idx)
+		{
+			ptri2s_config->tx_w_idx = (ptri2s_config->tx_w_idx+1)%MAX_I2S_PAGE;	
+			tx_w_idx = ptri2s_config->tx_w_idx;
+			spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+			//_printk("put TB[%d] for user write\n",ptri2s_config->tx_w_idx);
+#if defined(CONFIG_I2S_MMAP)
+			put_user(tx_w_idx, (int*)arg);
+#else
+			copy_from_user(ptri2s_config->pMMAPTxBufPtr[tx_w_idx], (char*)arg, I2S_PAGE_SIZE);
+#endif
+			pi2s_status->txbuffer_len++;
+			//spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+			break;
+		}
+		else
+		{
+			/* Buffer Full */
+			//_printk("TBF tr=%d, tw=%d\n", ptri2s_config->tx_r_idx, ptri2s_config->tx_w_idx);
+			pi2s_status->txbuffer_ovrun++;
+			spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+			interruptible_sleep_on(&(ptri2s_config->i2s_tx_qh));
+			if (ptri2s_config->bTxDMAEnable==0 && ptri2s_config->end_cnt==0)
+			{
+				_printk("wake up for exit i2s driver\n");
+				put_user(-1, (int*)arg);
+				break;
+			}
+		}
+	}while(1);
+
+	return 0;
+}
+
+int i2s_get_audio(i2s_config_type* ptri2s_config, unsigned long arg)
+{
+	unsigned long flags;
+	int rx_r_idx;
+
+	do{
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		//_printk("GA rr=%d, rw=%d,i=%d\n", ptri2s_config->rx_r_idx, ptri2s_config->rx_w_idx,ptri2s_config->rx_isr_cnt);
+		if(((ptri2s_config->rx_r_idx+2)%MAX_I2S_PAGE)!=ptri2s_config->rx_w_idx)
+		{			
+			rx_r_idx = ptri2s_config->rx_r_idx;
+			ptri2s_config->rx_r_idx = (ptri2s_config->rx_r_idx+1)%MAX_I2S_PAGE;
+			spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+#if defined(CONFIG_I2S_MMAP)
+			put_user(rx_r_idx, (int*)arg);
+#else
+			copy_to_user((char*)arg, ptri2s_config->pMMAPRxBufPtr[rx_r_idx], I2S_PAGE_SIZE);
+#endif
+			//_printk("rx_r_idx=%d\n", ptri2s_config->rx_r_idx);
+			//ptri2s_config->rx_r_idx = (ptri2s_config->rx_r_idx+1)%MAX_I2S_PAGE;
+			pi2s_status->rxbuffer_len--;
+			//spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+			break;
+		}
+		else
+		{
+			/* Buffer Full */
+			//_printk("RBF rr=%d, rw=%d\n", ptri2s_config->rx_r_idx, ptri2s_config->rx_w_idx);
+			pi2s_status->rxbuffer_ovrun++;
+			spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+			interruptible_sleep_on(&(ptri2s_config->i2s_rx_qh));
+		}
+#if defined(CONFIG_I2S_WITH_AEC)
+		if(aecFuncP->AECECDeq){
+			aecFuncP->AECECDeq(0,pi2s_config->pMMAPRxBufPtr[ptri2s_config->rx_r_idx],I2S_PAGE_SIZE);
+		}
+#endif
+	}while(1);
+
+	return 0;
+}
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,35)
+long i2s_ioctl (struct file *filp, unsigned int cmd, unsigned long arg)
+#else
+int i2s_ioctl (struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg)
+#endif
+{
+	int i ;
+	i2s_config_type* ptri2s_config;
+	unsigned long flags;
+	    
+	ptri2s_config = filp->private_data;
+	switch (cmd) {
+	case I2S_RESET:
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		i2s_reset_config(ptri2s_config);
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+		break;
+	case I2S_SRATE:
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+#if defined(CONFIG_I2S_WM8960)
+		if((arg>MAX_SRATE_HZ)||(arg<MIN_SRATE_HZ))
+		{
+			MSG("Audio sampling rate %u should be %d ~ %d Hz. Set SRate to 48000Hz\n", (u32)arg, MIN_SRATE_HZ, MAX_SRATE_HZ);
+			ptri2s_config->srate = 48000;
+			spin_unlock(&ptri2s_config->lock);
+			break;
+		}	
+#elif defined(CONFIG_I2S_WM8750)
+		if((arg>MAX_SRATE_HZ)||(arg<MIN_SRATE_HZ))
+		{
+			MSG("Audio sampling rate %u should be %d ~ %d Hz. Set SRate to 96000Hz\n", (u32)arg, MIN_SRATE_HZ, MAX_SRATE_HZ);
+			ptri2s_config->srate = 96000;
+			spin_unlock(&ptri2s_config->lock);
+			break;
+		}
+#endif
+		ptri2s_config->srate = arg;
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+		MSG("set audio sampling rate to %d Hz\n", ptri2s_config->srate);
+		break;
+	case I2S_TX_VOL:
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		
+		if((int)arg > 127)
+			ptri2s_config->txvol = 127;
+		else if((int)arg < 48)
+			ptri2s_config->txvol = 48;
+		else
+			ptri2s_config->txvol = arg;
+		
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+		
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+#if (defined(CONFIG_I2S_WM8750) || defined(CONFIG_I2S_WM8751))
+		audiohw_set_master_vol(arg,arg);
+#elif defined(CONFIG_I2S_WM8960)
+		audiohw_set_lineout_vol(1, ptri2s_config->txvol, ptri2s_config->txvol);
+#endif
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+		break;
+	case I2S_RX_VOL:
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		
+		if((int)arg > 63)
+			ptri2s_config->rxvol = 63;
+		else if((int)arg < 0)
+			ptri2s_config->rxvol = 0;
+		else
+			ptri2s_config->rxvol = arg;
+		
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+		break;
+#if defined (CONFIG_RALINK_MT7628) || defined(CONFIG_ARCH_MT7623)
+	case I2S_WORD_LEN:
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		if((int)arg == 16)
+		{
+			ptri2s_config->wordlen_24b = 0;
+			MSG("Enable 16 bit word length.\n");
+		}
+		else if ((int)arg == 24)
+		{
+			ptri2s_config->wordlen_24b = 1;
+			MSG("Enable 24 bit word length.\n");
+		}
+		else
+		{
+			MSG("MT7628 only support 16bit/24bit word length.\n");
+			spin_unlock(&ptri2s_config->lock);
+			break;
+		}
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+		break;
+	case I2S_ENDIAN_FMT:
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		if((int)arg == 1)
+		{
+			ptri2s_config->little_edn = 1;
+			MSG("Little endian format.\n");
+		}
+		else 
+		{
+			ptri2s_config->little_edn = 0;
+			MSG("Big endian format.\n");
+		}
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+		break;	
+#endif
+	case I2S_INTERNAL_LBK:
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		if((int)arg == 1)
+		{
+			ptri2s_config->lbk = 1;
+			MSG("Enable internal loopback.\n");
+		}
+		else 
+		{
+			ptri2s_config->lbk = 0;
+			MSG("Disable internal loopback.\n");
+		}
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+		break;
+	case I2S_EXTERNAL_LBK:
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		if((int)arg == 1)
+		{
+			ptri2s_config->extlbk = 1;
+			MSG("Enable external loopback.\n");
+		}
+		else 
+		{
+			ptri2s_config->extlbk = 0;
+			MSG("Disable external loopback.\n");
+		}
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+		break;
+	case I2S_TXRX_COEXIST:
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		if((int)arg == 1)
+		{
+			ptri2s_config->txrx_coexist = 1;
+			MSG("TX/RX coexist.\n");
+		}
+		else 
+		{
+			ptri2s_config->txrx_coexist = 0;
+			MSG("TX/RX coexist.\n");
+		}
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+		break;
+
+	case I2S_TX_ENABLE:
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		MSG("I2S_TXENABLE\n");
+
+		pi2s_config->tx_unmask_ch = 0;
+		tasklet_init(&i2s_tx_tasklet, i2s_tx_task, (u32)pi2s_config);
+
+		pi2s_config->dis_match = 0;
+		pi2s_config->start_cnt = 0;
+		i2s_gen_test_pattern();
+
+		/* allocate tx buffer */
+		i2s_txPagebuf_alloc(ptri2s_config);
+		i2s_txbuf_alloc(ptri2s_config);
+	
+		/* Init two dma channels */
+		i2s_dma_tx_init(ptri2s_config);
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		/* Init & config all tx param */
+		i2s_reset_tx_param(ptri2s_config);
+		ptri2s_config->bTxDMAEnable = 1;
+		/* Clear all ALSA related config */
+		ptri2s_config->bALSAEnable = 0;
+		ptri2s_config->bALSAMMAPEnable = 0;
+
+		i2s_tx_config(ptri2s_config);
+	
+		if(ptri2s_config->bRxDMAEnable==0)
+			i2s_clock_enable(ptri2s_config);
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+	
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+#if defined(CONFIG_I2S_WM8960)||defined(CONFIG_I2S_WM8750)||defined(CONFIG_I2S_WM8751)
+		audiohw_set_lineout_vol(1, ptri2s_config->txvol, ptri2s_config->txvol);
+#endif
+		GdmaUnMaskChannel(GDMA_I2S_TX0);
+
+		i2s_tx_enable(ptri2s_config);
+	
+		/* Kick off dma channel */	
+		//GdmaUnMaskChannel(GDMA_I2S_TX0);
+
+		MSG("I2S_TXENABLE done\n");
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+		break;
+	case I2S_TX_DISABLE:
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		MSG("I2S_TXDISABLE\n");
+
+		//tasklet_kill(&i2s_tx_tasklet);
+
+		/* Handle tx end data */
+		ptri2s_config->bTxDMAEnable = 0;
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+
+		i2s_tx_end_sleep_on(ptri2s_config);
+	
+		tasklet_kill(&i2s_tx_tasklet);
+
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		i2s_reset_tx_param(ptri2s_config);
+		i2s_tx_disable(ptri2s_config);
+		if((ptri2s_config->bRxDMAEnable==0)&&(ptri2s_config->bTxDMAEnable==0))
+			i2s_clock_disable(ptri2s_config);
+	
+		i2s_txbuf_free(ptri2s_config);		
+		if(ptri2s_config->mmap_index <= MAX_I2S_PAGE)
+			ptri2s_config->mmap_index = 0;
+		
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+		break;
+	case I2S_RX_ENABLE:
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		MSG("I2S_RXENABLE\n");
+		pi2s_config->rx_unmask_ch = 0;
+		tasklet_init(&i2s_rx_tasklet, i2s_rx_task, (u32)pi2s_config);
+		
+		/* allocate rx buffer */
+		i2s_rxPagebuf_alloc(ptri2s_config);
+		i2s_rxbuf_alloc(ptri2s_config);	
+
+		/* Init two dma channels */
+		i2s_dma_rx_init(ptri2s_config);	
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		/* Init & config all rx param */
+		i2s_reset_rx_param(ptri2s_config);
+		ptri2s_config->bRxDMAEnable = 1;
+		ptri2s_config->bALSAEnable = 0;
+		ptri2s_config->bALSAMMAPEnable = 0;
+
+		i2s_rx_config(ptri2s_config);
+
+		if(ptri2s_config->bTxDMAEnable==0)
+			i2s_clock_enable(ptri2s_config);
+
+#if defined(CONFIG_I2S_TXRX)
+#if defined(CONFIG_I2S_WM8960)||defined(CONFIG_I2S_WM8750)||defined(CONFIG_I2S_WM8751)
+		audiohw_set_linein_vol(ptri2s_config->rxvol,  ptri2s_config->rxvol);
+#endif
+#endif
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		/* Kick off dma channel */
+		GdmaUnMaskChannel(GDMA_I2S_RX0);
+
+		i2s_rx_enable(ptri2s_config);
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+		break;
+	case I2S_RX_DISABLE:
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		MSG("I2S_RXDISABLE\n");
+		//tasklet_kill(&i2s_rx_tasklet);
+
+		ptri2s_config->bRxDMAEnable = 0;
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+
+		i2s_rx_end_sleep_on(ptri2s_config);		
+		tasklet_kill(&i2s_rx_tasklet);
+
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		i2s_reset_rx_param(ptri2s_config);
+		i2s_rx_disable(ptri2s_config);
+		if((ptri2s_config->bRxDMAEnable==0)&&(ptri2s_config->bTxDMAEnable==0))
+			i2s_clock_disable(ptri2s_config);
+		
+		i2s_rxbuf_free(ptri2s_config);
+		if(ptri2s_config->mmap_index <= MAX_I2S_PAGE)
+			ptri2s_config->mmap_index = 0;	
+		//i2s_rxPagebuf_free(ptri2s_config);
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+		break;
+	case I2S_PUT_AUDIO:
+		i2s_put_audio(ptri2s_config, arg);		
+		break;
+	case I2S_GET_AUDIO:
+		i2s_get_audio(ptri2s_config, arg);
+		break;
+	case I2S_TX_STOP:
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		MSG("TxGDMA STOP\n");
+		ptri2s_config->bTxDMAEnable = 0;
+		ptri2s_config->end_cnt = 0;
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+
+		while(ptri2s_config->tx_stop_cnt<3)
+                        interruptible_sleep_on(&(ptri2s_config->i2s_tx_qh));
+
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		i2s_reset_tx_param(ptri2s_config);
+		i2s_tx_disable(ptri2s_config);
+		if((ptri2s_config->bRxDMAEnable==0)&&(ptri2s_config->bTxDMAEnable==0))
+			i2s_clock_disable(ptri2s_config);
+		
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		i2s_txbuf_free(ptri2s_config);		
+		if(ptri2s_config->mmap_index <= MAX_I2S_PAGE)
+			ptri2s_config->mmap_index = 0;
+		//i2s_txPagebuf_free(ptri2s_config);
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+		break;
+	case I2S_TX_PAUSE:
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+                ptri2s_config->tx_pause_en = 1;
+		MSG("* tx_pause_en = 1 *\n");
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+                break;
+	case I2S_TX_RESUME:
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+                ptri2s_config->tx_pause_en = 0;
+		MSG("# tx_pause_en = 0 #\n");
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+                break;
+	case I2S_RX_STOP:
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		MSG("I2S_RX_STOP\n");
+		ptri2s_config->bRxDMAEnable = 0;
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+
+		while(ptri2s_config->rx_stop_cnt<2)
+                        interruptible_sleep_on(&(ptri2s_config->i2s_rx_qh));
+
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		i2s_reset_rx_param(ptri2s_config);
+		i2s_rx_disable(ptri2s_config);
+		if((ptri2s_config->bRxDMAEnable==0)&&(ptri2s_config->bTxDMAEnable==0))
+			i2s_clock_disable(ptri2s_config);
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		i2s_rxbuf_free(ptri2s_config);
+		if(ptri2s_config->mmap_index <= MAX_I2S_PAGE)
+			ptri2s_config->mmap_index = 0;	
+		//i2s_rxPagebuf_free(ptri2s_config);
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+		break;
+	case I2S_RX_PAUSE:
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+                ptri2s_config->rx_pause_en = 1;
+		MSG("* rx_pause_en = 1 *\n");
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+                break;
+	case I2S_RX_RESUME:
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+                ptri2s_config->rx_pause_en = 0;
+		MSG("# rx_pause_en = 0 #\n");
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+                break;
+	case I2S_CODEC_MIC_BOOST:
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		if((int)arg > 3)
+			ptri2s_config->micboost = 3;
+		else if((int)arg < 0)
+			ptri2s_config->micboost = 0;
+		else
+			ptri2s_config->micboost = arg;
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+		break;
+	case I2S_CODEC_MIC_IN:
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		if((int)arg == 1)
+			ptri2s_config->micin = 1;
+		else
+			ptri2s_config->micin = 0;
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+		break;
+        case I2S_CLOCK_ENABLE:
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+                i2s_clock_disable(ptri2s_config);
+#if defined(CONFIG_RALINK_MT7628) || defined(CONFIG_ARCH_MT7623)
+                ptri2s_config->wordlen_24b = 1;
+#endif
+                i2s_tx_config(ptri2s_config);
+                i2s_clock_enable(ptri2s_config);
+                i2s_tx_enable(ptri2s_config);
+                spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+                break;
+	case I2S_DEBUG_CODEC:
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		for (i=0; i<10; i++)
+		{
+			_printk("### i=%d ###\n", i);
+			i2s_clock_enable(ptri2s_config);
+			i2s_clock_disable(ptri2s_config);
+		}
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+	      	break;
+#if defined(CONFIG_I2S_MS_CTRL)
+	case I2S_MS_MODE_CTRL:
+		spin_lock_irqsave(&ptri2s_config->lock, flags);
+		if((int)arg == 1)
+		{
+			ptri2s_config->slave_en = 1;
+			_printk("I2S in slave mode.\n");
+		}
+		else 
+		{
+			ptri2s_config->slave_en = 0;
+			_printk("I2S in master mode.\n");
+		}
+		spin_unlock_irqrestore(&ptri2s_config->lock, flags);
+		break;
+#endif
+	case I2S_DEBUG_CLKGEN:
+	case I2S_DEBUG_INLBK:
+	case I2S_DEBUG_EXLBK:
+	case I2S_DEBUG_CODECBYPASS:	
+	case I2S_DEBUG_FMT:
+#if defined(CONFIG_I2S_WM8960)
+	case I2S_DEBUG_CODEC_EXLBK:
+#endif
+	case I2S_DEBUG_RESET:
+		i2s_debug_cmd(cmd, arg);
+		break;							
+	default :
+		MSG("i2s_ioctl: command format error\n");
+	}
+
+	return 0;
+}
+
+/************************
+ *      API for ALSA    *
+ *                      *
+ ************************/
+char* i2s_memPool_Alloc(i2s_config_type* ptri2s_config,int dir)
+{
+        //_printk("%s\n",__func__);
+        if(!ptri2s_config)
+                return NULL;
+        if(dir == STREAM_PLAYBACK){
+#if defined(CONFIG_I2S_MMAP)
+                i2s_mmap_alloc(I2S_TOTAL_PAGE_SIZE);
+#endif
+                i2s_txbuf_alloc(ptri2s_config);
+		return ptri2s_config->pMMAPTxBufPtr[0];
+        }else{
+#if defined(CONFIG_I2S_MMAP)
+                i2s_mmap_alloc(I2S_TOTAL_PAGE_SIZE);
+#endif
+		i2s_rxbuf_alloc(ptri2s_config);	
+		return ptri2s_config->pMMAPRxBufPtr[0];
+	}
+        return NULL;
+}
+
+void i2s_memPool_free(i2s_config_type* ptri2s_config,int dir)
+{
+        if(!ptri2s_config)
+                return;
+        if(dir == STREAM_PLAYBACK){
+#if defined(CONFIG_I2S_MMAP)
+		i2s_mem_unmap(ptri2s_config);
+#endif
+		i2s_txbuf_free(ptri2s_config);
+        }else{
+#if defined(CONFIG_I2S_MMAP)
+		i2s_mem_unmap(ptri2s_config);
+#endif
+		i2s_rxbuf_free(ptri2s_config);
+        }
+
+        return;
+}
+
+int i2s_page_prepare(i2s_config_type* ptri2s_config,int dir)
+{
+        if(dir == STREAM_PLAYBACK){
+                /* allocate tx buffer */
+                i2s_txPagebuf_alloc(ptri2s_config);
+		i2s_dma_tx_init(ptri2s_config);
+	}else{
+                /* allocate rx buffer */
+		i2s_rxPagebuf_alloc(ptri2s_config);
+		i2s_dma_rx_init(ptri2s_config);
+        }
+        return 0;
+}
+
+int i2s_page_release(i2s_config_type* ptri2s_config,int dir)
+{
+        if(!ptri2s_config)
+                return (-1);
+        if(dir == STREAM_PLAYBACK)
+		i2s_txPagebuf_free(ptri2s_config);
+        else
+		i2s_rxPagebuf_free(ptri2s_config);
+        
+	return 0;
+}
+
+int i2s_startup(void)
+{
+	memset(pi2s_config, 0, sizeof(i2s_config_type));
+	
+#ifdef I2S_STATISTIC
+	memset(pi2s_status, 0, sizeof(i2s_status_type));	
+#endif
+
+	i2s_param_init(pi2s_config);
+	pi2s_config->bALSAEnable = 1;
+#if defined(CONFIG_I2S_MMAP)
+	pi2s_config->bALSAMMAPEnable = 1;
+#endif
+
+#if defined (CONFIG_RALINK_MT7628) || defined(CONFIG_ARCH_MT7623)
+	pi2s_config->little_edn = 1;
+#endif
+
+    	init_waitqueue_head(&(pi2s_config->i2s_tx_qh));
+    	init_waitqueue_head(&(pi2s_config->i2s_rx_qh));
+	spin_lock_init(&pi2s_config->lock);
+
+	return 0;
+}
+
+int gdma_En_Switch(i2s_config_type* ptri2s_config,int dir,int enabled){
+        if(!ptri2s_config)
+                return (-1);
+        if(dir == STREAM_PLAYBACK){
+                ptri2s_config->bTxDMAEnable = enabled;
+                //MSG("%s:%d\n",__func__,ptri2s_config->bTxDMAEnable);
+        }else{
+                ptri2s_config->bRxDMAEnable = enabled;
+        }
+        return 0;
+}
+
+int i2s_audio_exchange(i2s_config_type* ptri2s_config,int dir,unsigned long arg)
+{
+        //MSG("I2S_PUT_AUDIO\n");
+        if(!ptri2s_config)
+                return (-1);
+        if(dir == STREAM_PLAYBACK){
+        	i2s_put_audio(ptri2s_config, arg);
+	}else{
+		i2s_get_audio(ptri2s_config, arg);
+        }
+        return 0;
+}
+
+void gdma_mask_handler(u32 dma_ch)
+{
+	i2s_dma_mask_handler(dma_ch);
+        return;
+}
+
+void gdma_unmask_handler(u32 dma_ch)
+{
+        i2s_dma_unmask_handler(dma_ch);
+	return;
+}
+
+u32 i2s_mmap_phys_addr(i2s_config_type* ptri2s_config)
+{
+	if((ptri2s_config->pMMAPBufPtr[0]!=NULL) && (ptri2s_config->mmap_index == MAX_I2S_PAGE))
+		return (dma_addr_t)i2s_mmap_addr[0];
+	else if((ptri2s_config->pMMAPBufPtr[MAX_I2S_PAGE]!=NULL) && (ptri2s_config->mmap_index == MAX_I2S_PAGE*2))
+		return (dma_addr_t)i2s_mmap_addr[MAX_I2S_PAGE];
+	else
+		return -1;
+}
+
+EXPORT_SYMBOL(i2s_startup);
+EXPORT_SYMBOL(i2s_mem_unmap);
+EXPORT_SYMBOL(i2s_mmap_alloc);
+EXPORT_SYMBOL(i2s_mmap_remap);
+EXPORT_SYMBOL(i2s_param_init);
+EXPORT_SYMBOL(i2s_txbuf_alloc);
+EXPORT_SYMBOL(i2s_rxbuf_alloc);
+EXPORT_SYMBOL(i2s_txPagebuf_alloc);
+EXPORT_SYMBOL(i2s_rxPagebuf_alloc);
+EXPORT_SYMBOL(i2s_txbuf_free);
+EXPORT_SYMBOL(i2s_rxbuf_free);
+EXPORT_SYMBOL(i2s_txPagebuf_free);
+EXPORT_SYMBOL(i2s_rxPagebuf_free);
+EXPORT_SYMBOL(i2s_rx_disable);
+EXPORT_SYMBOL(i2s_tx_disable);
+EXPORT_SYMBOL(i2s_rx_enable);
+EXPORT_SYMBOL(i2s_tx_enable);
+EXPORT_SYMBOL(i2s_rx_config);
+EXPORT_SYMBOL(i2s_tx_config);
+EXPORT_SYMBOL(i2s_reset_config);
+EXPORT_SYMBOL(i2s_clock_disable);
+EXPORT_SYMBOL(i2s_clock_enable);
+EXPORT_SYMBOL(i2s_reset_rx_param);
+EXPORT_SYMBOL(i2s_reset_tx_param);
+EXPORT_SYMBOL(i2s_dma_rx_handler);
+EXPORT_SYMBOL(i2s_dma_tx_handler);
+EXPORT_SYMBOL(i2s_dma_unmask_handler);
+EXPORT_SYMBOL(i2s_dma_tx_unmask_handler);
+EXPORT_SYMBOL(i2s_dma_rx_unmask_handler);
+EXPORT_SYMBOL(i2s_dma_mask_handler);
+EXPORT_SYMBOL(i2s_dma_tx_init);
+EXPORT_SYMBOL(i2s_dma_rx_init);
+EXPORT_SYMBOL(i2s_tx_end_sleep_on);
+EXPORT_SYMBOL(i2s_rx_end_sleep_on);
+EXPORT_SYMBOL(i2s_mmap_phys_addr);
+EXPORT_SYMBOL(i2s_open);
+EXPORT_SYMBOL(pi2s_config);
+#if defined(CONFIG_I2S_IN_MCLK)
+#if defined(CONFIG_I2S_MCLK_12MHZ)
+EXPORT_SYMBOL(i2s_refclk_12m_enable);
+#endif
+#if defined(CONFIG_I2S_MCLK_12P288MHZ)
+EXPORT_SYMBOL(i2s_refclk_12p288m_enable);
+#endif
+#endif
+#if defined(MT7628_ASIC_BOARD) || defined(CONFIG_ARCH_MT7623)
+EXPORT_SYMBOL(i2s_driving_strength_adjust);
+#endif
+EXPORT_SYMBOL(i2s_refclk_disable);
+EXPORT_SYMBOL(i2s_refclk_gpio_out_config);
+EXPORT_SYMBOL(i2s_refclk_gpio_in_config);
+EXPORT_SYMBOL(i2s_share_pin_config);
+EXPORT_SYMBOL(i2s_share_pin_mt7623);
+EXPORT_SYMBOL(i2s_ws_config);
+EXPORT_SYMBOL(i2s_mode_config);
+EXPORT_SYMBOL(i2s_codec_frequency_config);
+EXPORT_SYMBOL(i2s_dma_tx_transf_data);
+EXPORT_SYMBOL(i2s_dma_tx_transf_zero);
+EXPORT_SYMBOL(i2s_dma_rx_transf_data);
+EXPORT_SYMBOL(i2s_dma_rx_transf_zero);
+EXPORT_SYMBOL(i2s_dma_tx_end_handle);
+EXPORT_SYMBOL(i2s_dma_tx_soft_stop);
+EXPORT_SYMBOL(i2s_dma_rx_soft_stop);
+EXPORT_SYMBOL(i2s_tx_task);
+EXPORT_SYMBOL(i2s_rx_task);
+
+EXPORT_SYMBOL(i2s_memPool_Alloc);
+EXPORT_SYMBOL(i2s_memPool_free);
+EXPORT_SYMBOL(i2s_page_prepare);
+EXPORT_SYMBOL(i2s_page_release);
+EXPORT_SYMBOL(gdma_En_Switch);
+EXPORT_SYMBOL(i2s_audio_exchange);
+EXPORT_SYMBOL(gdma_mask_handler);
+EXPORT_SYMBOL(gdma_unmask_handler);
+#if defined(CONFIG_I2S_WITH_AEC)
+EXPORT_SYMBOL(aecFuncP);
+#endif
+module_init(i2s_mod_init);
+module_exit(i2s_mod_exit);
+
+MODULE_DESCRIPTION("Ralink SoC I2S Controller Module");
+MODULE_AUTHOR("Qwert Chin <qwert.chin@ralinktech.com.tw>");
+MODULE_SUPPORTED_DEVICE("I2S");
+MODULE_VERSION(I2S_MOD_VERSION);
+MODULE_LICENSE("GPL");
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,12)
+MODULE_PARM (i2sdrv_major, "i");
+#else
+module_param (i2sdrv_major, int, 0);
+#endif
--- /dev/null
+++ b/sound/soc/mtk/i2s_ctrl.h
@@ -0,0 +1,523 @@
+#ifndef __RALINK_I2S_H_
+#define __RALINK_I2S_H_
+
+#ifdef __KERNEL__
+//#include <asm/rt2880/rt_mmap.h>
+#endif
+
+#if defined(CONFIG_I2S_WITH_AEC)
+#include "aec/aec_api.h"
+#endif
+
+#define I2S_MAX_DEV			1
+#define I2S_MOD_VERSION			"0.1"
+#define phys_to_bus(a) (a & 0x1FFFFFFF)
+
+#ifndef u32
+#define u32 unsigned int
+#endif
+
+#ifndef u16
+#define u16 unsigned short
+#endif
+
+#ifndef u8
+#define u8 unsigned char
+#endif
+
+#ifndef REGBIT
+#define REGBIT(x, n)		(x << n)
+#endif
+
+#define Virtual2Physical(x)             (((int)x) & 0x1fffffff)
+#define Physical2Virtual(x)             (((int)x) | 0x80000000)
+#define Virtual2NonCache(x)             (((int)x) | 0x20000000)
+#define Physical2NonCache(x)            (((int)x) | 0xa0000000)
+#define NonCache2Virtual(x)             (((int)x) & 0xDFFFFFFF)
+
+#if defined(CONFIG_I2S_MCLK_12MHZ)
+#define CONFIG_I2S_CODEC_PLL_EN		1
+#else
+#define CONFIG_I2S_CODEC_PLL_EN		0
+#endif
+
+//#define CONFIG_I2S_MS_CTRL		
+//#define CONFIG_I2S_MS_MODE
+//#define memory_test
+
+#if defined (CONFIG_ARCH_MT7623)
+#define MT7623_ASIC_BOARD
+#define ARM_ARCH
+#endif
+
+#if defined (CONFIG_RALINK_MT7621)
+#define MT7621_ASIC_BOARD
+#endif
+
+#if defined (CONFIG_RALINK_MT7628)
+#define MT7628_ASIC_BOARD
+#endif
+
+//#define I2S_DEBUG_PRN
+#ifdef I2S_DEBUG_PRN
+#define MSG(fmt, args...) printk("I2S: " fmt, ## args)
+#else
+#define MSG(fmt, args...) { }
+#endif
+
+#ifdef I2S_DEBUG_PRN
+#define i2s_outw(address, value)	do{printk("0x%08X = 0x%08X\n",(u32)address,(u32)value);*((volatile uint32_t *)(address)) = cpu_to_le32(value);}while(0)
+#else
+#define i2s_outw(address, value)    	*((volatile uint32_t *)(address)) = cpu_to_le32(value)
+#endif
+#define i2s_inw(address)		le32_to_cpu(*(volatile u32 *)(address))
+
+/* HW feature definiations */
+#if defined(CONFIG_RALINK_RT3883)
+#define CONFIG_I2S_TXRX			1
+#define CONFIG_I2S_IN_MCLK		1
+//#define CONFIG_I2S_WS_EDGE		1
+#define CONFIG_I2S_FRAC_DIV		1
+#define CONFIG_I2S_IN_CLK		1
+#define CONFIG_I2S_MS_MODE		1
+#endif
+
+#if defined(CONFIG_RALINK_RT3352)||defined(CONFIG_RALINK_RT5350) || defined (CONFIG_RALINK_RT6855) \
+	|| defined(CONFIG_RALINK_RT6855A) || defined(CONFIG_RALINK_MT7620) || defined(CONFIG_RALINK_MT7621) \
+	|| defined (CONFIG_RALINK_MT7628) || defined(CONFIG_ARCH_MT7623)
+#define CONFIG_I2S_TXRX			1
+//#define CONFIG_I2S_WS_EDGE		1
+#define CONFIG_I2S_FRAC_DIV		1
+#define CONFIG_I2S_IN_CLK		1
+#endif
+
+#if defined(CONFIG_RALINK_RT3350)
+#define CONFIG_I2S_IN_MCLK		1
+#endif
+
+#if defined(CONFIG_RALINK_RT3052)
+#define CONFIG_I2S_MS_MODE		1
+#endif
+
+/* This is decided in menuconfig */
+#define CONFIG_I2S_MMAP           	1
+
+/* For MT7623 ASIC PLL Setting */
+#if defined(CONFIG_ARCH_MT7623)
+#define AUD1PLL_CON0		(0xF0209270)
+#define AUD1PLL_CON1		(0xF0209274)
+#define AUD1PLL_CON2		(0xF0209278)
+#define AUD1PLL_PWR_CON0	(0xF020927C)
+#define AUD2PLL_CON0		(0xF02092C0)
+#define AUD2PLL_CON1		(0xF02092C4)
+#define AUD2PLL_CON2		(0xF02092C8)
+#define AUD2PLL_PWR_CON0	(0xF02092CC)
+#endif
+
+/* Register Map, Ref to RT3052 Data Sheet */
+
+/* Register Map Detail */
+#if defined(CONFIG_ARCH_MT7623)
+#define I2S_I2SCFG			(ETHDMASYS_I2S_BASE+0x0000)
+#define I2S_INT_STATUS			(ETHDMASYS_I2S_BASE+0x0004)
+#define I2S_INT_EN			(ETHDMASYS_I2S_BASE+0x0008)
+#define I2S_FF_STATUS			(ETHDMASYS_I2S_BASE+0x000c)
+#define I2S_FIFO_WREG			(ETHDMASYS_I2S_BASE+0x0010)
+#define I2S_TX_FIFO_WREG		I2S_FIFO_WREG
+#define I2S_RX_FIFO_RREG		(ETHDMASYS_I2S_BASE+0x0014)
+#define I2S_I2SCFG1			(ETHDMASYS_I2S_BASE+0x0018)
+#define I2S_DIVINT_CFG			(ETHDMASYS_I2S_BASE+0x0024)
+#define I2S_DIVCOMP_CFG			(ETHDMASYS_I2S_BASE+0x0020)
+#else
+#define I2S_I2SCFG			(RALINK_I2S_BASE+0x0000)
+#define I2S_INT_STATUS			(RALINK_I2S_BASE+0x0004)
+#define I2S_INT_EN			(RALINK_I2S_BASE+0x0008)
+#define I2S_FF_STATUS			(RALINK_I2S_BASE+0x000c)
+#define I2S_FIFO_WREG			(RALINK_I2S_BASE+0x0010)
+#define I2S_TX_FIFO_WREG		I2S_FIFO_WREG
+#define I2S_RX_FIFO_RREG		(RALINK_I2S_BASE+0x0014)
+#define I2S_I2SCFG1			(RALINK_I2S_BASE+0x0018)
+#define I2S_DIVINT_CFG			(RALINK_I2S_BASE+0x0024)
+#define I2S_DIVCOMP_CFG			(RALINK_I2S_BASE+0x0020)
+#endif
+
+
+/* I2SCFG bit field */
+#define I2S_EN			31
+#define I2S_DMA_EN		30
+#if defined(CONFIG_RALINK_MT7628) || defined(CONFIG_ARCH_MT7623)
+#define I2S_LITTLE_ENDIAN	29
+#define I2S_SYS_ENDIAN		28
+#elif defined(CONFIG_RALINK_RT6855A)
+#define I2S_BYTE_SWAP		28
+#endif
+#define I2S_TX_EN		24
+#define I2S_RX_EN		20
+#if defined(CONFIG_RALINK_MT7628) || defined(CONFIG_ARCH_MT7623)
+#define I2S_NORM_24BIT		18
+#define I2S_DATA_24BIT		17
+#endif
+#define I2S_SLAVE_MODE		16
+#define I2S_RX_FF_THRES		12
+#define I2S_RX_CH_SWAP		11
+#define I2S_RX_CH1_OFF		10
+#define I2S_RX_CH0_OFF		9
+#if defined(CONFIG_RALINK_RT3052)
+#define I2S_CLK_OUT_DIS		8
+#endif
+#define I2S_TX_FF_THRES		4
+#define I2S_TX_CH_SWAP		3
+#define I2S_TX_CH1_OFF		2
+#define I2S_TX_CH0_OFF		1
+#if defined(CONFIG_RALINK_RT3052)
+#define I2S_SLAVE_EN            0
+#else
+#define I2S_WS_INV		0
+#endif
+/* INT_EN bit field */
+#define I2S_RX_INT3_EN		7
+#define I2S_RX_INT2_EN		6
+#define I2S_RX_INT1_EN		5
+#define I2S_RX_INT0_EN		4
+#define I2S_TX_INT3_EN		3
+#define I2S_TX_INT2_EN		2
+#define I2S_TX_INT1_EN		1
+#define I2S_TX_INT0_EN		0
+
+/* INT_STATUS bit field */
+#define I2S_RX_DMA_FAULT	7
+#define I2S_RX_OVRUN		6
+#define I2S_RX_UNRUN		5
+#define I2S_RX_THRES		4
+#define I2S_TX_DMA_FAULT	3
+#define I2S_TX_OVRUN		2
+#define I2S_TX_UNRUN		1
+#define I2S_TX_THRES		0
+
+/* FF_STATUS bit field */
+#define I2S_RX_EPCNT		4
+#define I2S_TX_EPCNT		0
+/* I2S_DIVCOMP_CFG bit field */
+#define I2S_CLKDIV_EN		31
+
+/* I2S_CFG1 bit field */
+#define I2S_LBK_EN		31
+#define I2S_EXT_LBK_EN		30
+#if defined(CONFIG_RALINK_MT7628) || defined(CONFIG_ARCH_MT7623)
+#define I2S_DATA_FMT		0
+#endif
+
+/* FIFO_WREG bit field */
+#define I2S_FIFO_WDATA		0
+
+/* Constant definition */
+#define NFF_THRES		4
+#define I2S_PAGE_SIZE		3072//(3*4096)//(1152*2*2*2)
+#define I2S_MIN_PAGE_SIZE	4096
+#define MAX_I2S_PAGE		8
+#define I2S_TOTAL_PAGE_SIZE 	(I2S_PAGE_SIZE*MAX_I2S_PAGE)
+
+#if defined(CONFIG_I2S_WM8960)
+#define MAX_SRATE_HZ            48000
+#define MIN_SRATE_HZ            8000
+#elif defined(CONFIG_I2S_WM8750)
+#define MAX_SRATE_HZ		96000
+#define MIN_SRATE_HZ		8000
+#endif
+
+#define MAX_VOL_DB		+0			
+#define MIN_VOL_DB		-127
+
+#define ALSA_MMAP_IDX_SHIFT	2
+#if defined(CONFIG_SND_MT76XX_SOC)
+#define STREAM_PLAYBACK		SNDRV_PCM_STREAM_PLAYBACK 
+#define STREAM_CAPTURE		SNDRV_PCM_STREAM_CAPTURE
+#else
+#define STREAM_PLAYBACK		0
+#define STREAM_CAPTURE		1
+#endif
+
+/* I2S I/O command */
+#define I2S_SRATE		0
+#define I2S_VOL			1
+#define I2S_ENABLE		2
+#define I2S_DISABLE		3
+#define I2S_TX_ENABLE		27
+#define I2S_TX_DISABLE		3
+#define I2S_GET_WBUF	 	4
+#define I2S_PUT_WBUF		5
+#define I2S_RX_ENABLE		6
+#define I2S_RX_DISABLE		7
+#define I2S_PUT_AUDIO		4
+#define I2S_GET_AUDIO		5
+#define I2S_TX_VOL		1
+#define I2S_RX_VOL		8
+#define I2S_WORD_LEN		9
+#define I2S_ENDIAN_FMT		10
+#define I2S_INTERNAL_LBK	11
+#define I2S_TX_STOP             12
+#define I2S_DEBUG_CODEC		13
+#define I2S_MS_MODE_CTRL	14
+#define I2S_TX_PAUSE		15
+#define I2S_TX_RESUME		16
+#define I2S_RESET		17
+#define I2S_RX_STOP		18
+#define I2S_EXTERNAL_LBK	19
+#define I2S_TXRX_COEXIST	20
+#define I2S_RX_PAUSE		21
+#define I2S_RX_RESUME		22
+#define I2S_CODEC_MIC_BOOST	23
+#define I2S_CODEC_MIC_IN	24
+#define I2S_CLOCK_ENABLE	25
+#define I2S_TEST_TEST		26
+
+#define I2S_DEBUG		30
+#define I2S_DEBUG_CLKGEN	30
+#define I2S_DEBUG_INLBK		31
+#define I2S_DEBUG_EXLBK		32
+#define I2S_DEBUG_FMT		33
+#define I2S_DEBUG_RESET		34
+#define I2S_DEBUG_CODECBYPASS	35
+#if defined(CONFIG_I2S_WM8960)
+#define I2S_DEBUG_CODEC_EXLBK	36
+#endif
+
+/* configuration */
+#define CONFIG_I2S_TFF_THRES	NFF_THRES
+#define CONFIG_I2S_CH_SWAP	0
+#if defined(CONFIG_I2S_MS_MODE)    
+#define CONFIG_I2S_SLAVE_EN	0
+#else
+#define CONFIG_I2S_SLAVE_EN	1
+#endif
+
+/* driver status definition */
+#define I2S_OK			0
+#define I2S_OUTOFMEM		0x01
+#define I2S_GDMAFAILED		0x02
+#define I2S_REQUEST_IRQ_FAILED	0x04
+#define I2S_REG_SETUP_FAILED	0x08
+
+#define I2S_STATISTIC
+//#define I2S_HW_INTERRUPT_EN
+//#define I2S_SW_IRQ_EN
+#define I2S_MAJOR		234
+
+/* parameter for ALSA */
+/*GDMA for I2S Status*/
+#define GDMA_I2S_DIS (0)
+#define GDMA_I2S_EN (1)
+
+
+typedef struct i2s_status_t
+{
+	u32 txdmafault;
+	u32 txovrun;
+	u32 txunrun;
+	u32 txthres;
+	int txbuffer_unrun;
+	int txbuffer_ovrun;
+	int txbuffer_len;
+	
+	u32 rxdmafault;
+	u32 rxovrun;
+	u32 rxunrun;
+	u32 rxthres;
+	int rxbuffer_unrun;
+	int rxbuffer_ovrun;
+	int rxbuffer_len;
+}i2s_status_type;
+
+
+typedef struct i2s_config_t
+{
+
+	int srate;
+	int txvol;
+	int rxvol;
+	u32 pos;
+	u32 tx_isr_cnt;
+	u32 rx_isr_cnt;
+	int bSleep;
+	int bTxDMAEnable;
+	int bRxDMAEnable;
+	int enLable;
+	int micboost;
+	int micin;
+	
+	/* parameters fo ALSA */
+	int bALSAEnable;
+	int bALSAMMAPEnable;
+	unsigned char bTrigger[2];
+	unsigned char bPreTrigger[2];
+	unsigned char dmaStat[2];
+	unsigned char i2sStat[2];
+	unsigned int hw_base_frame[2];
+	struct snd_pcm_substream *pss[2];
+
+#ifdef __KERNEL__		
+	spinlock_t lock;
+	wait_queue_head_t i2s_tx_qh, i2s_rx_qh;
+#endif
+	u32 dmach;
+	u32 tx_unmask_ch;
+	u32 rx_unmask_ch;
+	u32 dma_unmask_status;
+	u32 dma_done_status;   
+	u32 tx_ff_thres;
+	u32 tx_ch_swap;
+	u32 rx_ff_thres;
+	u32 rx_ch_swap;
+	u32 slave_en;
+
+	u32 dis_match;
+	int start_cnt;
+#if defined (CONFIG_RALINK_MT7628) || defined(CONFIG_ARCH_MT7623)
+	int little_edn;  /* test file's fmt: little endian->1; big endian->0 */
+        int sys_endian;  /* kernal' system fmt: little endian->0; big endian->1 */	
+#endif
+	int wordlen_24b;
+	int codec_pll_en;
+	int codec_num;
+	int tx_pause_en;
+	int rx_pause_en;
+	int end_cnt;
+	int txrx_coexist;
+	int tx_stop_cnt;
+	int rx_stop_cnt;
+	/* for I2S_CFG1 */
+	u32 lbk;
+	u32 extlbk;
+	u32 fmt;
+	
+	int w_idx;
+	int r_idx;
+	
+	int tx_w_idx;
+	int tx_r_idx;
+	int rx_w_idx;
+	int rx_r_idx;
+	int mmap_index;
+	int next_p0_idx;
+	int next_p1_idx;
+	
+	u8* buf8ptr;	
+	char* pMMAPBufPtr[MAX_I2S_PAGE*2];	
+	char* pMMAPTxBufPtr[MAX_I2S_PAGE];
+	char* pMMAPRxBufPtr[MAX_I2S_PAGE];
+	
+	union {
+		u16* pPage0TxBuf16Ptr;	
+		u8* pPage0TxBuf8ptr;	
+	};
+	union {
+		u16* pPage1TxBuf16Ptr;	
+		u8* pPage1TxBuf8ptr;	
+	};
+		
+	union {
+		u16* pPage0RxBuf16Ptr;	
+		u8* pPage0RxBuf8ptr;	
+	};
+	union {
+		u16* pPage1RxBuf16Ptr;	
+		u8* pPage1RxBuf8ptr;	
+	};
+
+}i2s_config_type;
+
+
+void i2s_gen_test_pattern(void);
+int i2s_mem_unmap(i2s_config_type* ptri2s_config);
+int i2s_param_init(i2s_config_type* ptri2s_config);
+int i2s_txbuf_alloc(i2s_config_type* ptri2s_config);
+int i2s_rxbuf_alloc(i2s_config_type* ptri2s_config);
+int i2s_txPagebuf_alloc(i2s_config_type* ptri2s_config);
+int i2s_rxPagebuf_alloc(i2s_config_type* ptri2s_config);
+int i2s_txbuf_free(i2s_config_type* ptri2s_config);
+int i2s_rxbuf_free(i2s_config_type* ptri2s_config);
+int i2s_txPagebuf_free(i2s_config_type* ptri2s_config);
+int i2s_rxPagebuf_free(i2s_config_type* ptri2s_config);
+int i2s_reset_tx_param(i2s_config_type* ptri2s_config);
+int i2s_reset_rx_param(i2s_config_type* ptri2s_config);
+int i2s_tx_config(i2s_config_type* ptri2s_config);
+int i2s_rx_config(i2s_config_type* ptri2s_config);
+int i2s_tx_enable(i2s_config_type* ptri2s_config);
+int i2s_tx_disable(i2s_config_type* ptri2s_config);
+int i2s_rx_enable(i2s_config_type* ptri2s_config);
+int i2s_rx_disable(i2s_config_type* ptri2s_config);
+int i2s_codec_enable(i2s_config_type* ptri2s_config);
+int i2s_codec_disable(i2s_config_type* ptri2s_config);
+int i2s_clock_enable(i2s_config_type* ptri2s_config);
+int i2s_clock_disable(i2s_config_type* ptri2s_config);
+int i2s_reset_config(i2s_config_type* ptri2s_config);
+int i2s_refclk_disable(void);
+int i2s_refclk_gpio_out_config(void);
+int i2s_refclk_gpio_in_config(void);
+int i2s_share_pin_config(i2s_config_type* ptri2s_config);
+int i2s_share_pin_mt7623(i2s_config_type* ptri2s_config);
+int i2s_master_clock_gpio_out_mt7623(void);
+int i2s_slave_clock_gpio_in_mt7623(void);
+int i2s_ws_config(i2s_config_type* ptri2s_config, unsigned long index);
+int i2s_mode_config(u32 slave_en);
+int i2s_codec_frequency_config(i2s_config_type* ptri2s_config, unsigned long index);
+void i2s_tx_end_sleep_on(i2s_config_type* ptri2s_config);
+void i2s_rx_end_sleep_on(i2s_config_type* ptri2s_config);
+
+#if defined(CONFIG_I2S_MCLK_12MHZ)
+int i2s_refclk_12m_enable(void);
+#endif
+#if defined(CONFIG_I2S_MCLK_12P288MHZ)
+int i2s_refclk_12p288m_enable(void);
+#endif
+
+#if defined(MT7621_ASIC_BOARD)
+int i2s_pll_config_mt7621(unsigned long index);
+int i2s_pll_refclk_set(void);
+#endif
+#if defined(MT7623_ASIC_BOARD)
+int i2s_pll_config_mt7623(unsigned long index);
+#endif
+#if defined(MT7628_ASIC_BOARD) || defined(CONFIG_ARCH_MT7623)
+int i2s_driving_strength_adjust(void);
+#endif
+#if defined(I2S_STATISTIC)
+void i2s_int_status(u32 dma_ch);
+#endif
+void i2s_dma_tx_handler(u32 dma_ch);
+void i2s_dma_rx_handler(u32 dma_ch);
+void i2s_dma_unmask_handler(u32 dma_ch);
+void i2s_dma_mask_handler(u32 dma_ch);
+void i2s_dma_tx_init(i2s_config_type* ptri2s_config);
+void i2s_dma_rx_init(i2s_config_type* ptri2s_config);
+void i2s_tx_task(unsigned long pData);
+void i2s_rx_task(unsigned long pData);
+void i2s_dma_tx_unmask_handler(u32 dma_ch);
+void i2s_dma_rx_unmask_handler(u32 dma_ch);
+int i2s_dma_tx_transf_data(i2s_config_type* ptri2s_config, u32 dma_ch);
+int i2s_dma_tx_transf_zero(i2s_config_type* ptri2s_config, u32 dma_ch);
+int i2s_dma_rx_transf_data(i2s_config_type* ptri2s_config, u32 dma_ch);
+int i2s_dma_rx_transf_zero(i2s_config_type* ptri2s_config, u32 dma_ch);
+void i2s_dma_tx_end_handle(i2s_config_type* ptri2s_config);
+int i2s_dma_tx_soft_stop(i2s_config_type* ptri2s_config, u32 dma_ch);
+int i2s_dma_rx_soft_stop(i2s_config_type* ptri2s_config, u32 dma_ch);
+
+int i2s_page_prepare(i2s_config_type* ptri2s_config,int dir);
+int i2s_page_release(i2s_config_type* ptri2s_config,int dir);
+int gdma_En_Switch(i2s_config_type* ptri2s_config,int dir,int enabled);
+int i2s_startup(void);
+int i2s_audio_exchange(i2s_config_type* ptri2s_config,int dir,unsigned long arg);
+void gdma_unmask_handler(u32 dma_ch);
+char* i2s_memPool_Alloc(i2s_config_type* ptri2s_config,int dir);
+void i2s_memPool_free(i2s_config_type* ptri2s_config,int dir);
+u32 i2s_mmap_phys_addr(i2s_config_type* ptri2s_config);
+
+#if !defined(CONFIG_I2S_TXRX)
+#define GdmaI2sRx	//GdmaI2sRx
+#endif
+
+#define RALINK_I2S_VERSION	"1.0"
+#define I2SDRV_DEVNAME		"i2s0"
+
+#endif /* __RALINK_I2S_H_ */
+
--- /dev/null
+++ b/sound/soc/mtk/mt76xx_i2s.c
@@ -0,0 +1,304 @@
+/*
+ * mtk_audio_drv.c
+ *
+ *  Created on: 2013/8/20
+ *      Author: MTK04880
+ */
+#include <linux/init.h>
+#include <linux/version.h>
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,35)
+#include <linux/sched.h>
+#endif
+#include <linux/module.h>
+#include <linux/kernel.h> /* printk() */
+#include <linux/slab.h> /* kmalloc() */
+#include <linux/fs.h> /* everything... */
+#include <linux/errno.h> /* error codes */
+#include <linux/types.h> /* size_t */
+#include <linux/proc_fs.h>
+#include <linux/fcntl.h> /* O_ACCMODE */
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,36)
+#include <asm/system.h> /* cli(), *_flags */
+#endif
+#include <asm/uaccess.h> /* copy_from/to_user */
+#include <linux/interrupt.h>
+#include <linux/mm.h>
+#include <linux/dma-mapping.h>
+#include <sound/core.h>
+#include <linux/pci.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+#include "ralink_gdma.h"
+#include "mt76xx_i2s.h"
+
+/****************************/
+/*GLOBAL VARIABLE DEFINITION*/
+/****************************/
+extern i2s_config_type* pi2s_config;
+
+/****************************/
+/*FUNCTION DECLRATION		*/
+/****************************/
+static int mt76xx_i2s_set_fmt(struct snd_soc_dai *cpu_dai,\
+		unsigned int fmt);
+
+//static int  mt76xx_i2s_shutdown(struct snd_pcm_substream *substream,
+//		       struct snd_soc_dai *dai);
+static int  mt76xx_i2s_startup(struct snd_pcm_substream *substream,
+		       struct snd_soc_dai *dai);
+static int mt76xx_i2s_hw_params(struct snd_pcm_substream *substream,\
+				struct snd_pcm_hw_params *params,\
+				struct snd_soc_dai *dai);
+static int mt76xx_i2s_play_prepare(struct snd_pcm_substream *substream,struct snd_soc_dai *dai);
+static int mt76xx_i2s_rec_prepare(struct snd_pcm_substream *substream,struct snd_soc_dai *dai);
+static int mt76xx_i2s_hw_free(struct snd_pcm_substream *substream,struct snd_soc_dai *dai);
+static int mt76xx_i2s_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai);
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,20)
+static int mt76xx_i2s_drv_probe(struct platform_device *pdev);
+static int mt76xx_i2s_drv_remove(struct platform_device *pdev);
+#endif
+/****************************/
+/*STRUCTURE DEFINITION		*/
+/****************************/
+
+
+static struct snd_soc_dai_ops mt76xx_i2s_dai_ops = {
+	.startup   = mt76xx_i2s_startup,
+	.hw_params = mt76xx_i2s_hw_params,
+	.hw_free   = mt76xx_i2s_hw_free,
+	//.shutdown = mt76xx_i2s_shutdown,
+	.prepare   = mt76xx_i2s_prepare,
+	.set_fmt   = mt76xx_i2s_set_fmt,
+	//.set_sysclk = mt76xx_i2s_set_sysclk,
+};
+
+const struct snd_soc_component_driver mt76xx_i2s_component = {
+	.name		= "mt76xx-i2s",
+};
+
+struct snd_soc_dai_driver mt76xx_i2s_dai = {
+	.playback = {
+		.channels_min = 1,
+		.channels_max = 2,
+		.rates = (SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_11025|\
+		SNDRV_PCM_RATE_16000|SNDRV_PCM_RATE_22050|SNDRV_PCM_RATE_32000|\
+		SNDRV_PCM_RATE_44100|SNDRV_PCM_RATE_48000),
+
+		.formats = (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
+				SNDRV_PCM_FMTBIT_S24_LE),
+	},
+	.capture = {
+		.channels_min = 1,
+		.channels_max = 2,
+		.rates = (SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_11025|\
+				SNDRV_PCM_RATE_16000|SNDRV_PCM_RATE_22050|SNDRV_PCM_RATE_32000|\
+				SNDRV_PCM_RATE_44100|SNDRV_PCM_RATE_48000),
+		.formats = (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
+				SNDRV_PCM_FMTBIT_S24_LE),
+	},
+	.ops = &mt76xx_i2s_dai_ops,
+	.symmetric_rates = 1,
+};
+
+/****************************/
+/*FUNCTION BODY				*/
+/****************************/
+
+static int mt76xx_i2s_set_fmt(struct snd_soc_dai *cpu_dai,
+		unsigned int fmt)
+{//TODO
+
+	//printk("******* %s *******\n", __func__);
+	return 0;
+}
+
+static int mt76xx_i2s_play_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
+{
+	//printk("******* %s *******\n", __func__);
+	i2s_config_type* rtd = (i2s_config_type*)substream->runtime->private_data;
+	rtd->pss[SNDRV_PCM_STREAM_PLAYBACK] = substream;
+	if(! rtd->i2sStat[SNDRV_PCM_STREAM_PLAYBACK]){
+		i2s_reset_tx_param( rtd);
+		i2s_tx_config( rtd);
+		gdma_En_Switch(rtd, STREAM_PLAYBACK, GDMA_I2S_EN);
+
+		if( rtd->bRxDMAEnable==0)
+			i2s_clock_enable( rtd);
+		
+		i2s_tx_enable( rtd);
+		rtd->i2sStat[SNDRV_PCM_STREAM_PLAYBACK] = 1;
+		MSG("I2S_TXENABLE done\n");
+	}
+
+	return 0;
+}
+
+static int mt76xx_i2s_rec_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
+{
+
+	//printk("******* %s *******\n", __func__);
+	i2s_config_type* rtd = (i2s_config_type*)substream->runtime->private_data;
+	rtd->pss[SNDRV_PCM_STREAM_CAPTURE] = substream;
+	if(! rtd->i2sStat[SNDRV_PCM_STREAM_CAPTURE]) {
+		i2s_reset_rx_param(rtd);
+		i2s_rx_config(rtd);
+		gdma_En_Switch(rtd, STREAM_CAPTURE, GDMA_I2S_EN);
+
+		if(rtd->bTxDMAEnable==0)
+			i2s_clock_enable(rtd);
+
+		i2s_rx_enable(rtd);
+		rtd->i2sStat[SNDRV_PCM_STREAM_CAPTURE] = 1;
+	}
+	return 0;
+}
+
+/*static int  mt76xx_i2s_shutdown(struct snd_pcm_substream *substream,
+		       struct snd_soc_dai *dai)
+{
+	//i2s_config_type* rtd = (i2s_config_type*)substream->runtime->private_data;
+	//printk("******* %s *******\n", __func__);
+	return 0;
+}
+*/
+static int  mt76xx_i2s_startup(struct snd_pcm_substream *substream,
+		       struct snd_soc_dai *dai)
+{
+
+	//printk("******* %s *******\n", __func__);
+    	if((!pi2s_config->i2sStat[SNDRV_PCM_STREAM_PLAYBACK]) && (!pi2s_config->i2sStat[SNDRV_PCM_STREAM_CAPTURE])){
+		i2s_startup();
+    		if(!pi2s_config)
+    			return -1;
+    		i2s_reset_config(pi2s_config);
+    	}
+	substream->runtime->private_data = pi2s_config;
+	return 0;
+}
+
+static int mt76xx_i2s_hw_params(struct snd_pcm_substream *substream,\
+				struct snd_pcm_hw_params *params,\
+				struct snd_soc_dai *dai){
+	unsigned int srate = 0;
+	//unsigned long data;
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	i2s_config_type* rtd = runtime->private_data;
+
+	//printk("******* %s *******\n", __func__);
+	switch(params_rate(params)){
+	case 8000:
+		srate = 8000;
+		break;
+	case 16000:
+		srate = 16000;
+		break;
+	case 32000:
+		srate = 32000;
+		break;
+	case 44100:
+		srate = 44100;
+		break;
+	case 48000:
+		srate = 48000;
+		break;
+	default:
+		srate = 44100;
+		//MSG("audio sampling rate %u should be %d ~ %d Hz\n", (u32)params_rate(params), MIN_SRATE_HZ, MAX_SRATE_HZ);
+		break;
+	}
+	if(srate){
+		if((rtd->bRxDMAEnable != GDMA_I2S_EN) && (rtd->bTxDMAEnable != GDMA_I2S_EN)){
+			rtd->srate = srate;
+			MSG("set audio sampling rate to %d Hz\n", rtd->srate);
+		}
+	}
+
+	return 0;
+}
+static int mt76xx_i2s_hw_free(struct snd_pcm_substream *substream,struct snd_soc_dai *dai){
+
+	//printk("******* %s *******\n", __func__);
+	i2s_config_type* rtd = (i2s_config_type*)substream->runtime->private_data;
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK){
+		if(rtd->i2sStat[SNDRV_PCM_STREAM_PLAYBACK]){
+			MSG("I2S_TXDISABLE\n");
+			i2s_reset_tx_param(rtd);
+
+			if((rtd->bRxDMAEnable==0)&&(rtd->bTxDMAEnable==0)){
+				i2s_clock_disable(rtd);
+			}
+			rtd->i2sStat[SNDRV_PCM_STREAM_PLAYBACK] = 0;
+		}
+	}
+	else{
+		if(rtd->i2sStat[SNDRV_PCM_STREAM_CAPTURE]){
+			MSG("I2S_RXDISABLE\n");
+			i2s_reset_rx_param(rtd);
+			
+			if((rtd->bRxDMAEnable==0)&&(rtd->bTxDMAEnable==0)){
+				i2s_clock_disable(rtd);
+			}
+			rtd->i2sStat[SNDRV_PCM_STREAM_CAPTURE] = 0;
+		}
+	}
+	return 0;
+}
+static int mt76xx_i2s_prepare(struct snd_pcm_substream *substream,struct snd_soc_dai *dai)
+{
+
+	//printk("******* %s *******\n", __func__);
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		return mt76xx_i2s_play_prepare(substream, dai);
+	else
+		return mt76xx_i2s_rec_prepare(substream, dai);
+
+	return 0;
+}
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,20)
+static int mt76xx_i2s_drv_probe(struct platform_device *pdev)
+{
+	//printk("****** %s ******\n", __func__);
+	return snd_soc_register_component(&pdev->dev, &mt76xx_i2s_component,
+					&mt76xx_i2s_dai, 1);
+}
+
+static int mt76xx_i2s_drv_remove(struct platform_device *pdev)
+{
+	snd_soc_unregister_component(&pdev->dev);	
+	return 0;
+}
+
+static struct platform_driver mt76xx_i2s_driver = {
+	.probe  = mt76xx_i2s_drv_probe,
+	.remove = mt76xx_i2s_drv_remove,
+	.driver = {
+		.name  = "mt76xx-i2s",
+		.owner = THIS_MODULE,
+	},
+};
+
+static int __init mt76xx_i2s_init(void)
+{
+
+	//printk("****** %s ******\n", __func__);
+	return platform_driver_register(&mt76xx_i2s_driver);
+}
+
+static void __exit mt76xx_i2s_exit(void)
+{
+	//printk("****** %s ******\n", __func__);
+	platform_driver_unregister(&mt76xx_i2s_driver);
+}
+
+module_init(mt76xx_i2s_init);
+module_exit(mt76xx_i2s_exit);
+
+MODULE_AUTHOR("Dora Chen");
+MODULE_DESCRIPTION("Stretch MT76xx I2S Interface");
+MODULE_LICENSE("GPL");
+#endif
--- /dev/null
+++ b/sound/soc/mtk/mt76xx_i2s.h
@@ -0,0 +1,18 @@
+/*
+ * mtk_i2s.h
+ *
+ *  Created on: 2013/8/20
+ *      Author: MTK04880
+ */
+
+#ifndef MTK_I2S_H_
+#define MTK_I2S_H_
+
+
+#ifdef __KERNEL__
+//#include <asm/rt2880/rt_mmap.h>
+#include <linux/fs.h>
+#endif
+
+#include "i2s_ctrl.h"
+#endif /* MTK_I2S_H_ */
--- /dev/null
+++ b/sound/soc/mtk/mt76xx_machine.c
@@ -0,0 +1,317 @@
+/*
+ * mt76xx_machine.c
+ *
+ */
+#include <linux/init.h>
+#include <linux/version.h>
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,35)
+#include <linux/sched.h>
+#endif
+#include <linux/module.h>
+#include <linux/kernel.h> /* printk() */
+#include <linux/slab.h> /* kmalloc() */
+#include <linux/fs.h> /* everything... */
+#include <linux/errno.h> /* error codes */
+#include <linux/types.h> /* size_t */
+#include <linux/proc_fs.h>
+#include <linux/fcntl.h> /* O_ACCMODE */
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,36)
+#include <asm/system.h> /* cli(), *_flags */
+#endif
+#include <asm/uaccess.h> /* copy_from/to_user */
+#include <linux/interrupt.h>
+#include <linux/mm.h>
+#include <linux/dma-mapping.h>
+#include <sound/core.h>
+#include <linux/pci.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+#include <linux/i2c.h>
+#include <linux/ioport.h>
+#include <linux/delay.h>
+#include "ralink_gdma.h"
+#include "mt76xx_i2s.h"
+#include "mt76xx_machine.h"
+#if defined(CONFIG_SND_SOC_WM8960)
+#include "../codecs/wm8960.h"
+#endif
+
+#define I2C_AUDIO_DEV_ID	(0)
+/****************************/
+/*FUNCTION DECLRATION		*/
+/****************************/
+extern unsigned long i2s_codec_12p288Mhz[11];
+extern unsigned long i2s_codec_12Mhz[11];
+
+
+static int mt76xx_codec_clock_hwparams(struct snd_pcm_substream *substream,\
+				struct snd_pcm_hw_params *params);
+static int mt76xx_codec_startup(struct snd_pcm_substream *substream);
+static int mt76xx_codec_init(struct snd_soc_pcm_runtime *rtd);
+extern struct snd_soc_dai_driver mt76xx_i2s_dai;
+extern struct snd_soc_platform_driver mt76xx_soc_platform;
+struct platform_device *mt76xx_audio_device;
+
+#if defined(CONFIG_SND_SOC_WM8960)
+extern struct snd_soc_dai wm8960_dai;
+extern struct snd_soc_codec_device soc_codec_dev_wm8960;
+#endif
+
+static struct snd_soc_ops mtk_audio_ops = {
+	.hw_params = mt76xx_codec_clock_hwparams,
+	.startup = mt76xx_codec_startup,
+};
+
+static struct snd_soc_dai_link mtk_audio_dai = {
+	.name = "mtk_dai",
+	.stream_name = "WMserious PCM",
+	.cpu_dai_name	= "mt76xx-i2s",
+	.codec_dai_name	= "wm8960-hifi",
+	.codec_name	= "wm8960.0-001a",
+	.platform_name	= "mt76xx-pcm",
+	.ignore_pmdown_time = true,
+	.init = mt76xx_codec_init,
+	.ops = &mtk_audio_ops,
+};
+
+static struct snd_soc_card mtk_audio_card = {
+	.name = "MTK APSoC I2S",
+	.owner = THIS_MODULE,
+	.dai_link = &mtk_audio_dai,//I2S/Codec
+	.num_links = 1,
+};
+
+static int mt76xx_codec_clock_hwparams(struct snd_pcm_substream *substream,
+				struct snd_pcm_hw_params *params)
+{
+	struct snd_soc_pcm_runtime *p = substream->private_data;
+	struct snd_soc_dai *codec_dai = p->codec_dai;
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	i2s_config_type* rtd = runtime->private_data;
+	unsigned long data,index = 0;
+	unsigned long* pTable;
+	int mclk,ret,targetClk = 0;
+
+	/*For duplex mode, avoid setting twice.*/
+	if((rtd->bRxDMAEnable == GDMA_I2S_EN) || (rtd->bTxDMAEnable == GDMA_I2S_EN))
+		return 0;
+#if defined(CONFIG_I2S_MCLK_12MHZ)
+	mclk = 12000000;
+#elif defined(CONFIG_I2S_MCLK_12P288MHZ)
+	mclk = 12288000;
+#else
+	mclk = 12000000;
+#endif
+	//snd_soc_dai_set_sysclk(codec_dai,0,mclk, SND_SOC_CLOCK_IN);
+
+	switch(params_rate(params)){
+	case 8000:
+		index = 0;
+		targetClk = 12288000;
+		break;
+	case 12000:
+		index = 2;
+		targetClk = 12288000;
+		break;
+	case 16000:
+		index = 3;
+		targetClk = 12288000;
+		break;
+	case 24000:
+		index = 5;
+		targetClk = 12288000;
+		break;
+	case 32000:
+		index = 6;
+		targetClk = 12288000;
+		break;
+	case 48000:
+		index = 8;
+		targetClk = 12288000;
+		break;
+	case 11025:
+		index = 1;
+		targetClk = 11289600;
+		break;
+	case 22050:
+		index = 4;
+		targetClk = 11289600;
+		break;
+	case 44100:
+		index = 7;
+		targetClk = 11289600;
+		break;
+	case 88200:
+		index = 9;
+		targetClk = 11289600;
+		break;
+	case 96000:
+		index = 10;
+		targetClk = 11289600;
+		break;
+	default:
+		index = 7;
+		targetClk = 12288000;
+		//MSG("audio sampling rate %u should be %d ~ %d Hz\n", (u32)params_rate(params), MIN_SRATE_HZ, MAX_SRATE_HZ);
+		break;
+	}
+#if defined(CONFIG_SND_SOC_WM8960)
+	/*
+	 * There is a fixed divide by 4 in the PLL and a selectable
+	 * divide by N after the PLL which should be set to divide by 2 to meet this requirement.
+	 * */
+	ret = snd_soc_dai_set_pll(codec_dai, 0, 0,mclk, targetClk*2);
+	/* From app notes: allow Vref to stabilize to reduce clicks */
+	if(rtd->slave_en){
+		//printk("WM8960 is in master mode\n");
+		ret = snd_soc_dai_set_clkdiv(codec_dai, WM8960_DCLKDIV, 0x1c4);
+		ret = snd_soc_dai_set_clkdiv(codec_dai, WM8960_SYSCLKDIV, 0x5);
+	}
+
+#endif
+	if(!rtd->slave_en)
+		snd_soc_dai_set_fmt(codec_dai,SND_SOC_DAIFMT_CBS_CFS|SND_SOC_DAIFMT_I2S|SND_SOC_DAIFMT_NB_NF);
+	else{
+		snd_soc_dai_set_fmt(codec_dai,SND_SOC_DAIFMT_CBM_CFM|SND_SOC_DAIFMT_I2S|SND_SOC_DAIFMT_NB_NF);
+	}
+	mdelay(5);
+
+#if defined(CONFIG_SND_SOC_WM8960)
+#if defined(CONFIG_I2S_MCLK_12MHZ)
+	pTable = i2s_codec_12Mhz;
+	data = pTable[index];
+#else
+	pTable = i2s_codec_12p288Mhz;
+	data = pTable[index];
+#endif
+	if(rtd->codec_pll_en)
+		ret = snd_soc_dai_set_clkdiv(codec_dai, WM8960_DACDIV, (data<<3)|0x5);
+	else
+		ret = snd_soc_dai_set_clkdiv(codec_dai, WM8960_DACDIV, (data<<3|0x4));
+#endif
+
+	return 0;
+}
+
+static int mt76xx_codec_startup(struct snd_pcm_substream *substream)
+{
+	//printk("******* %s *******\n", __func__);
+	return 0;
+}
+static int mt76xx_codec_init(struct snd_soc_pcm_runtime *rtd)
+{
+
+	//printk("******* %s *******\n", __func__);
+	return 0;
+}
+
+static struct i2c_board_info i2c_board_info[] = {
+	{
+#if defined(CONFIG_SND_SOC_WM8750)
+		I2C_BOARD_INFO("wm8750", (0x36 >> 1)),
+#elif defined(CONFIG_SND_SOC_WM8960)
+		I2C_BOARD_INFO("codec_wm8960", (0x34)),
+	}, {
+		I2C_BOARD_INFO("wm8960", (0x34 >> 1)),
+#endif
+	}
+};
+
+static struct platform_device *soc_mtk_i2s_dev;
+static struct platform_device *soc_mtk_pcm_dev;
+
+static int __init mt76xx_machine_init(void)
+{
+	//struct snd_soc_device *socdev = &mtk_audio_devdata;
+	//struct i2c_adapter *adapter = NULL;
+	//struct i2c_client *client = NULL;
+	int ret = 0;
+	struct i2c_adapter *adapter = NULL;
+        struct i2c_client *client = NULL;
+
+	adapter = i2c_get_adapter(I2C_AUDIO_DEV_ID);
+	if (!adapter)
+		return -ENODEV;
+	client = i2c_new_device(adapter, &i2c_board_info[0]);
+	if (!client)
+		return -ENODEV;
+	i2c_get_clientdata(client);
+
+	client = i2c_new_device(adapter, &i2c_board_info[1]);
+	if (!client)
+		return -ENODEV;
+	i2c_get_clientdata(client);
+
+	i2c_put_adapter(adapter);
+
+	soc_mtk_i2s_dev =
+		platform_device_register_simple("mt76xx-i2s", -1, NULL, 0);
+	if (IS_ERR(soc_mtk_i2s_dev))
+		return PTR_ERR(soc_mtk_i2s_dev);
+
+	soc_mtk_pcm_dev =
+		platform_device_register_simple("mt76xx-pcm", -1, NULL, 0);
+	if (IS_ERR(soc_mtk_pcm_dev))
+		return PTR_ERR(soc_mtk_pcm_dev);
+
+	mt76xx_audio_device = platform_device_alloc("soc-audio",-1);
+	if (mt76xx_audio_device == NULL) {
+		ret = -ENOMEM;
+		goto err_device_alloc;
+	}
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)
+	platform_set_drvdata(mt76xx_audio_device, &mtk_audio_card);
+#else
+	platform_set_drvdata(mt76xx_audio_device, &mtk_audio_devdata);
+	mtk_audio_devdata.dev = &mt76xx_audio_device->dev;
+#endif
+
+	/*Ralink I2S register process end*/
+	ret = platform_device_add(mt76xx_audio_device);
+	if (ret) {
+		printk("mtk audio device : platform_device_add failed (%d)\n",ret);
+		goto err_device_add;
+	}
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)
+#else
+	snd_soc_register_dai(&mt76xx_i2s_dai);
+#endif
+
+	return 0;
+
+err_device_add:
+	if (mt76xx_audio_device!= NULL) {
+		platform_device_put(mt76xx_audio_device);
+		mt76xx_audio_device = NULL;
+	}
+err_device_alloc:
+	return ret;
+}
+
+
+static void __exit mt76xx_machine_exit(void)
+{	
+
+	platform_device_unregister(mt76xx_audio_device);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,20)
+	/* Do nothing */
+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38)
+	snd_soc_unregister_platform(&mt76xx_audio_device->dev);
+#else
+	snd_soc_unregister_platform(&mt76xx_soc_platform);
+#endif
+	platform_device_unregister(soc_mtk_i2s_dev);
+	platform_device_unregister(soc_mtk_pcm_dev);
+
+	mt76xx_audio_device = NULL;
+}
+
+//module_init(mt76xx_machine_init);
+late_initcall(mt76xx_machine_init);
+module_exit(mt76xx_machine_exit);
+//EXPORT_SYMBOL_GPL(mt76xx_soc_platform);
+MODULE_LICENSE("GPL");
--- /dev/null
+++ b/sound/soc/mtk/mt76xx_machine.h
@@ -0,0 +1,21 @@
+/*
+ * mtk_audio_device.h
+ *
+ *  Created on: 2013/10/23
+ *      Author: MTK04880
+ */
+
+#ifndef MT76XX_MACHINE_H_
+#define MT76XX_MACHINE_H_
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#if 0
+#ifdef CONFIG_I2S_MMAP
+#undef CONFIG_I2S_MMAP
+#endif
+#endif
+
+#endif /* MT76XX_MACHINE_H_ */
--- /dev/null
+++ b/sound/soc/mtk/mt76xx_pcm.c
@@ -0,0 +1,499 @@
+/*
+ * mt76xx_pcm.c
+ *
+ *  Created on: 2013/9/6
+ *      Author: MTK04880
+ */
+
+#include <linux/init.h>
+#include <linux/version.h>
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,35)
+#include <linux/sched.h>
+#endif
+#include <linux/module.h>
+#include <linux/kernel.h> /* printk() */
+#include <linux/slab.h> /* kmalloc() */
+#include <linux/fs.h> /* everything... */
+#include <linux/errno.h> /* error codes */
+#include <linux/types.h> /* size_t */
+#include <linux/proc_fs.h>
+#include <linux/fcntl.h> /* O_ACCMODE */
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,36)
+#include <asm/system.h> /* cli(), *_flags */
+#endif
+#include <asm/uaccess.h> /* copy_from/to_user */
+#include <linux/interrupt.h>
+#include <linux/mm.h>
+#include <linux/dma-mapping.h>
+#include <sound/core.h>
+#include <linux/pci.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+#include "ralink_gdma.h"
+#include "mt76xx_i2s.h"
+
+#define GDMA_PAGE_SIZE 		I2S_PAGE_SIZE
+#define GDMA_PAGE_NUM 		MAX_I2S_PAGE
+#define GDMA_TOTAL_PAGE_SIZE	I2S_TOTAL_PAGE_SIZE
+
+dma_addr_t i2s_txdma_addr, i2s_rxdma_addr;
+dma_addr_t i2s_mmap_addr[GDMA_PAGE_NUM*2];
+
+extern struct tasklet_struct i2s_tx_tasklet;
+extern struct tasklet_struct i2s_rx_tasklet;
+extern int i2s_mmap_remap(struct vm_area_struct *vma, unsigned long size);
+extern void i2s_tx_end_sleep_on(i2s_config_type* ptri2s_config);
+extern void i2s_rx_end_sleep_on(i2s_config_type* ptri2s_config);
+
+static int mt76xx_pcm_open(struct snd_pcm_substream *substream);
+static int mt76xx_pcm_new(struct snd_soc_pcm_runtime *rtd);
+static void mt76xx_pcm_free(struct snd_pcm *pcm);
+static int mt76xx_pcm_close(struct snd_pcm_substream *substream);
+static snd_pcm_uframes_t mt76xx_pcm_pointer(struct snd_pcm_substream *substream);
+static int mt76xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd);
+static int mt76xx_pcm_prepare(struct snd_pcm_substream *substream);
+static int mt76xx_pcm_hw_params(struct snd_pcm_substream *substream,\
+				 struct snd_pcm_hw_params *hw_params);
+static int mt76xx_pcm_copy(struct snd_pcm_substream *substream, int channel,\
+		snd_pcm_uframes_t pos,void __user *buf, snd_pcm_uframes_t count);
+static int mt76xx_pcm_mmap(struct snd_pcm_substream *substream, struct vm_area_struct *vma);
+static int mt76xx_pcm_hw_free(struct snd_pcm_substream *substream);
+
+static int mt76xx_pcm_free_dma_buffer(struct snd_pcm_substream *substream,int stream);
+static int mt76xx_pcm_allocate_dma_buffer(struct snd_pcm_substream *substream,int stream);
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(3,10,20)
+static int mt76xx_platform_drv_probe(struct platform_device *pdev);
+static int mt76xx_platform_drv_remove(struct platform_device *pdev);
+#endif
+
+static const struct snd_pcm_hardware mt76xx_pcm_hwparam = {
+#if defined(CONFIG_I2S_MMAP)
+	.info			= (SNDRV_PCM_INFO_INTERLEAVED |
+				SNDRV_PCM_INFO_PAUSE |
+				SNDRV_PCM_INFO_RESUME |
+				SNDRV_PCM_INFO_MMAP |
+				SNDRV_PCM_INFO_MMAP_VALID),
+#else
+	.info			= (SNDRV_PCM_INFO_INTERLEAVED |
+				SNDRV_PCM_INFO_PAUSE |
+				SNDRV_PCM_INFO_RESUME),
+#endif
+	.formats		= SNDRV_PCM_FMTBIT_S16_LE,
+	.period_bytes_min	= GDMA_PAGE_SIZE,
+	.period_bytes_max	= GDMA_PAGE_SIZE,
+	.periods_min		= 1,
+	.periods_max		= GDMA_PAGE_NUM,
+	.buffer_bytes_max	= GDMA_TOTAL_PAGE_SIZE,
+};
+
+static struct snd_pcm_ops mt76xx_pcm_ops = {
+
+	.open = 	mt76xx_pcm_open,
+	.ioctl = 	snd_pcm_lib_ioctl,
+	.hw_params = 	mt76xx_pcm_hw_params,
+	.hw_free = 	mt76xx_pcm_hw_free,
+	.trigger =	mt76xx_pcm_trigger,
+	.prepare = 	mt76xx_pcm_prepare,
+	.pointer = 	mt76xx_pcm_pointer,
+	.close = 	mt76xx_pcm_close,
+#if defined(CONFIG_I2S_MMAP)
+	.mmap = mt76xx_pcm_mmap,
+#endif
+	.copy = mt76xx_pcm_copy,
+};
+#if LINUX_VERSION_CODE > KERNEL_VERSION(3,10,0)
+struct snd_soc_platform_driver mt76xx_soc_platform = {
+	.ops		= &mt76xx_pcm_ops,
+	.pcm_new	= mt76xx_pcm_new,
+	.pcm_free	= mt76xx_pcm_free,
+};
+#else
+struct snd_soc_platform mt76xx_soc_platform = {
+	.name		= "mtk-dma",
+	.pcm_ops	= &mt76xx_pcm_ops,
+	.pcm_new	= mt76xx_pcm_new,
+	.pcm_free	= mt76xx_pcm_free,
+};
+#endif
+
+static int mt76xx_pcm_close(struct snd_pcm_substream *substream){
+
+	//printk("******* %s *********\n", __func__);
+	return 0;
+}
+
+static snd_pcm_uframes_t mt76xx_pcm_pointer(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	i2s_config_type* rtd = runtime->private_data;
+	unsigned int offset = 0;
+	//int buff_frame_bond = bytes_to_frames(runtime, GDMA_PAGE_SIZE);
+	//printk("\n******* %s *********\n", __func__);
+
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK){
+		offset = bytes_to_frames(runtime, GDMA_PAGE_SIZE*rtd->tx_r_idx);
+		//printk("r:%d w:%d (%d) \n",rtd->tx_r_idx,rtd->tx_w_idx,(runtime->control->appl_ptr/buff_frame_bond)%GDMA_PAGE_NUM);
+	}
+	else{
+		offset = bytes_to_frames(runtime, GDMA_PAGE_SIZE*rtd->rx_w_idx);
+		//printk("w:%d r:%d appl_ptr:%x\n",rtd->rx_w_idx,rtd->rx_r_idx,(runtime->control->appl_ptr/buff_frame_bond)%GDMA_PAGE_NUM);
+	}
+	return offset;
+}
+
+
+static int mt76xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+	int ret = 0;
+	i2s_config_type* rtd = (i2s_config_type*)substream->runtime->private_data;
+	//struct snd_pcm_runtime *runtime= substream->runtime;
+
+	//printk("******* %s *********\n", __func__);
+/*	printk("trigger cmd:%s\n",(cmd==SNDRV_PCM_TRIGGER_START)?"START":\
+			(cmd==SNDRV_PCM_TRIGGER_RESUME)?"RESUME":\
+			(cmd==SNDRV_PCM_TRIGGER_PAUSE_RELEASE)?"PAUSE_RELEASE":\
+			(cmd==SNDRV_PCM_TRIGGER_STOP)?"STOP":\
+			(cmd==SNDRV_PCM_TRIGGER_SUSPEND)?"SUSPEND":\
+			(cmd==SNDRV_PCM_TRIGGER_PAUSE_PUSH)?"PAUSE_PUSH":"default");
+*/
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+			rtd->bTrigger[SNDRV_PCM_STREAM_PLAYBACK] = 1;
+		} else {
+			rtd->bTrigger[SNDRV_PCM_STREAM_CAPTURE] = 1;
+		}
+		break;
+	case SNDRV_PCM_TRIGGER_STOP:
+		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+			rtd->bTrigger[SNDRV_PCM_STREAM_PLAYBACK] = 0;
+		} else {
+			rtd->bTrigger[SNDRV_PCM_STREAM_CAPTURE] = 0;
+		}
+		break;
+	case SNDRV_PCM_TRIGGER_RESUME:
+	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK){
+			rtd->tx_pause_en = 0;
+		} else {
+			rtd->rx_pause_en = 0;
+		}
+		break;
+
+	case SNDRV_PCM_TRIGGER_SUSPEND:
+	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK){
+			rtd->tx_pause_en = 1;
+		} else {
+			rtd->rx_pause_en = 1;
+		}
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+	return ret;
+}
+
+static int mt76xx_pcm_copy(struct snd_pcm_substream *substream, int channel,\
+		snd_pcm_uframes_t pos,void __user *buf, snd_pcm_uframes_t count)
+{
+	struct snd_pcm_runtime *runtime= substream->runtime;
+	i2s_config_type* rtd = runtime->private_data;
+	int tx_w_idx = 0;
+        int rx_r_idx = 0;
+        char *hwbuf = NULL;
+
+	//printk("******* %s *********\n", __func__);
+	hwbuf = runtime->dma_area + frames_to_bytes(runtime, pos);
+	//MSG("%s bur:%x\n",__func__,hwbuf);
+	//printk("hw_ptr:%d, buffer_size:%d, appl_prt:%d, boundary:%d\n", 
+	//		runtime->status->hw_ptr, runtime->buffer_size, runtime->control->appl_ptr, runtime->boundary);
+
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK){
+		rtd->tx_w_idx = (rtd->tx_w_idx+1)%MAX_I2S_PAGE;
+                tx_w_idx = rtd->tx_w_idx;
+                //printk("put TB[%d - %x] for user write\n",rtd->tx_w_idx,pos);
+                copy_from_user(rtd->pMMAPTxBufPtr[tx_w_idx], (char*)buf, I2S_PAGE_SIZE);	
+	}
+	else{
+		rx_r_idx = rtd->rx_r_idx;
+                rtd->rx_r_idx = (rtd->rx_r_idx+1)%MAX_I2S_PAGE;
+                copy_to_user((char*)buf, rtd->pMMAPRxBufPtr[rx_r_idx], I2S_PAGE_SIZE);
+	}
+	return 0;
+}
+
+static int mt76xx_pcm_mmap(struct snd_pcm_substream *substream, struct vm_area_struct *vma)
+{
+        int ret;
+        unsigned long size;
+
+        size = vma->vm_end-vma->vm_start;
+        printk("******* %s: size :%lx end:%lx start:%lx *******\n", __func__,size,vma->vm_end,vma->vm_start);
+        ret = i2s_mmap_remap(vma, size);
+
+        return ret;
+}
+
+
+static int mt76xx_pcm_prepare(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime= substream->runtime;
+	i2s_config_type *rtd = (i2s_config_type*)runtime->private_data;
+	//runtime->buffer_size = GDMA_PAGE_NUM*GDMA_PAGE_SIZE;
+	//runtime->boundary = (GDMA_PAGE_NUM*GDMA_PAGE_SIZE)/4;
+
+	//printk("******* %s *******\n", __func__);
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK){
+		//printk("===== %s:%s:%d =====\n", __FILE__, __func__, __LINE__);
+		mt76xx_pcm_allocate_dma_buffer(substream,SNDRV_PCM_STREAM_PLAYBACK);
+		
+		if(! rtd->dmaStat[SNDRV_PCM_STREAM_PLAYBACK]){
+			i2s_page_prepare(rtd,STREAM_PLAYBACK);
+			tasklet_init(&i2s_tx_tasklet, i2s_tx_task, (u32)rtd);
+			rtd->dmaStat[SNDRV_PCM_STREAM_PLAYBACK] = 1;
+			gdma_unmask_handler(GDMA_I2S_TX0);
+		}
+	} else {
+		mt76xx_pcm_allocate_dma_buffer(substream,SNDRV_PCM_STREAM_CAPTURE);
+
+		if(! rtd->dmaStat[SNDRV_PCM_STREAM_CAPTURE]){
+			i2s_page_prepare(rtd,STREAM_CAPTURE); /* TX:enLabel=1; RX:enLabel=2 */
+			tasklet_init(&i2s_rx_tasklet, i2s_rx_task, (u32)rtd);
+			rtd->dmaStat[SNDRV_PCM_STREAM_CAPTURE] = 1;
+			gdma_unmask_handler(GDMA_I2S_RX0);
+		}
+	}
+
+	return 0;
+}
+
+
+static int mt76xx_pcm_hw_params(struct snd_pcm_substream *substream,
+				 struct snd_pcm_hw_params *hw_params)
+{
+	/*struct snd_pcm_runtime *runtime = substream->runtime;
+	i2s_config_type *rtd = (i2s_config_type*)runtime->private_data;
+	*/
+	int ret,i;
+	ret = i = 0;
+
+	//printk("******* %s *******\n", __func__);
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK){
+		//i2s_page_prepare(rtd,STREAM_PLAYBACK);
+	} else {
+		//i2s_page_prepare(rtd,STREAM_CAPTURE);
+	}
+
+	return ret;
+}
+
+static int mt76xx_pcm_hw_free(struct snd_pcm_substream *substream)
+{
+	i2s_config_type* rtd = (i2s_config_type*)substream->runtime->private_data;
+	//struct snd_dma_buffer *buf = &substream->dma_buffer;
+
+	//printk("******* %s *******\n", __func__);
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK){
+		if(rtd->dmaStat[SNDRV_PCM_STREAM_PLAYBACK]){
+
+			gdma_En_Switch(rtd,STREAM_PLAYBACK,GDMA_I2S_DIS);
+			i2s_tx_end_sleep_on(rtd);
+			tasklet_kill(&i2s_tx_tasklet);
+			i2s_tx_disable(rtd);
+			//mt76xx_pcm_free_dma_buffer(substream,substream->stream);
+			i2s_page_release(rtd,STREAM_PLAYBACK);
+			rtd->dmaStat[SNDRV_PCM_STREAM_PLAYBACK] = 0;
+		}
+		mt76xx_pcm_free_dma_buffer(substream,substream->stream);
+	}
+	else{
+		if(rtd->dmaStat[SNDRV_PCM_STREAM_CAPTURE]){
+
+			gdma_En_Switch(rtd,STREAM_CAPTURE,GDMA_I2S_DIS);
+			i2s_rx_end_sleep_on(rtd);
+			tasklet_kill(&i2s_rx_tasklet);
+			i2s_rx_disable(rtd);
+			//mt76xx_pcm_free_dma_buffer(substream,substream->stream);
+			i2s_page_release(rtd,STREAM_CAPTURE);
+			rtd->dmaStat[SNDRV_PCM_STREAM_CAPTURE] = 0;
+		}
+		mt76xx_pcm_free_dma_buffer(substream,substream->stream);
+	}
+	return 0;
+}
+
+static int mt76xx_pcm_free_dma_buffer(struct snd_pcm_substream *substream,
+	int stream)
+{
+
+	//struct snd_pcm_substream *substream = pcm->streams[stream].substream;
+	struct snd_dma_buffer *buf = &substream->dma_buffer;
+	i2s_config_type* rtd = (i2s_config_type*)substream->runtime->private_data;
+
+	//printk("******* %s *******\n", __func__);
+	if (!buf->area)
+		return 0;
+	if(substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		i2s_memPool_free(rtd,STREAM_PLAYBACK);
+	else
+		i2s_memPool_free(rtd,STREAM_CAPTURE);
+	buf->area = NULL;
+	snd_pcm_set_runtime_buffer(substream, NULL);
+	return 0;
+}
+
+static int mt76xx_pcm_allocate_dma_buffer(struct snd_pcm_substream *substream,
+	int stream)
+{
+	//struct snd_pcm_substream *substream = pcm->streams[stream].substream;
+	struct snd_dma_buffer *buf = &substream->dma_buffer;
+	i2s_config_type* rtd = (i2s_config_type*)substream->runtime->private_data;
+
+	//printk("******* %s *******\n", __func__);
+	if(!buf->area){
+#if defined(CONFIG_I2S_MMAP)
+		printk("\n############## MMAP ##############\n");
+		buf->dev.type = SNDRV_DMA_TYPE_DEV;
+#else
+		buf->dev.type = SNDRV_DMA_TYPE_UNKNOWN;
+#endif
+		buf->dev.dev = NULL;
+		buf->private_data = NULL;
+		if(stream == SNDRV_PCM_STREAM_PLAYBACK)
+			buf->area = i2s_memPool_Alloc(rtd,STREAM_PLAYBACK);
+		else
+			buf->area = i2s_memPool_Alloc(rtd,STREAM_CAPTURE);
+
+		if (!buf->area)
+			return -ENOMEM;
+		buf->bytes = GDMA_TOTAL_PAGE_SIZE;
+#if defined(CONFIG_I2S_MMAP)
+		buf->addr = i2s_mmap_phys_addr(rtd);
+#endif
+		snd_pcm_set_runtime_buffer(substream, buf);
+	} else{
+		//printk("Buffer have been allocated!\n");
+	}
+
+	return 0;
+}
+
+static int mt76xx_pcm_open(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime= substream->runtime;
+	struct snd_dma_buffer *buf = &substream->dma_buffer;
+	int stream = substream->stream;
+	int ret = 0;
+
+	//printk("******* %s *******\n", __func__);
+	snd_soc_set_runtime_hwparams(substream, &mt76xx_pcm_hwparam);
+	/* ensure that buffer size is a multiple of period size */
+	ret = snd_pcm_hw_constraint_integer(runtime,
+						SNDRV_PCM_HW_PARAM_PERIODS);
+	if (ret < 0)
+		goto out;
+
+#if 1
+	if(stream == SNDRV_PCM_STREAM_PLAYBACK){
+		ret = mt76xx_pcm_allocate_dma_buffer(substream,
+				SNDRV_PCM_STREAM_PLAYBACK);
+	}
+	else{
+		ret = mt76xx_pcm_allocate_dma_buffer(substream,
+				SNDRV_PCM_STREAM_CAPTURE);
+	}
+#endif
+
+	if (ret)
+		goto out;
+
+	if(buf)
+		memset(buf->area,0,sizeof(I2S_PAGE_SIZE*MAX_I2S_PAGE));
+
+ out:
+	return ret;
+}
+
+
+
+static int mt76xx_pcm_new(struct snd_soc_pcm_runtime *rtd)
+{
+//	int ret = 0;
+
+	//printk("******* %s *******\n", __func__);
+	return 0;
+}
+
+static void mt76xx_pcm_free(struct snd_pcm *pcm)
+{
+	/*struct snd_pcm_substream *substream;
+	struct snd_dma_buffer *buf;
+	i2s_config_type* rtd;
+	int stream;
+*/
+	//printk("******* %s *******\n", __func__);
+	//return 0;
+}
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,20)
+static int mt76xx_platform_drv_probe(struct platform_device *pdev)
+{
+	//printk("******* %s *******\n", __func__);
+	return snd_soc_register_platform(&pdev->dev, &mt76xx_soc_platform);
+}
+
+static int mt76xx_platform_drv_remove(struct platform_device *pdev)
+{
+	//printk("******* %s *******\n", __func__);
+	snd_soc_unregister_platform(&pdev->dev);
+	return 0;
+}
+
+static struct platform_driver mt76xx_pcm_driver = {
+	.driver = {
+		.name = "mt76xx-pcm",
+		.owner = THIS_MODULE,
+	},	
+
+	.probe = mt76xx_platform_drv_probe,
+	.remove = mt76xx_platform_drv_remove,
+};	
+
+static int __init mt76xx_pcm_init(void)
+{
+
+	printk("******* %s *******\n", __func__);
+	return platform_driver_register(&mt76xx_pcm_driver);
+}
+
+static void __exit mt76xx_pcm_exit(void)
+{
+	platform_driver_unregister(&mt76xx_pcm_driver);
+}
+#else
+static int __init mt76xx_pcm_init(void)
+{
+
+	printk("******* %s *******\n", __func__);
+	return snd_soc_register_platform(&mt76xx_soc_platform);
+}
+
+static void __exit mt76xx_pcm_exit(void)
+{
+	printk("******* %s *******\n", __func__);
+	snd_soc_unregister_platform(&mt76xx_soc_platform);
+}
+#endif
+module_init(mt76xx_pcm_init);
+module_exit(mt76xx_pcm_exit);
+
+MODULE_AUTHOR("Dora Chen");
+MODULE_DESCRIPTION("MTK APSoC I2S DMA driver");
+MODULE_LICENSE("GPL");
+
--- /dev/null
+++ b/sound/soc/mtk/ralink_gdma.c
@@ -0,0 +1,918 @@
+/*
+ ***************************************************************************
+ * Ralink Tech Inc.
+ * 5F., No.36, Taiyuan St., Jhubei City,
+ * Hsinchu County 302,
+ * Taiwan, R.O.C.
+ *
+ * (c) Copyright, Ralink Technology, Inc.
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *
+ ***************************************************************************
+ *
+  Module Name:
+  ralink_gdma.c
+
+  Abstract:
+
+  Revision History:
+  Who         When            What
+  --------    ----------      ----------------------------------------------
+  Name        Date            Modification logs
+  Steven Liu  2009-03-24      Support RT3883
+ *
+ */
+#include <linux/init.h>
+#include <linux/version.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/interrupt.h>
+#include <linux/fs.h>
+#if defined (CONFIG_MIPS)
+  #include <asm/uaccess.h>
+  #include <asm/addrspace.h>
+#endif
+
+#include "ralink_gdma.h"
+
+/*
+ * RT305x:
+ * Ch0 : Pcm0_Rx0 | Pcm0_Rx0 | ALL
+ * Ch1 : Pcm0_Rx1 | Pcm0_Rx1 | ALL
+ * Ch2 : Pcm0_Tx0 | Pcm0_Tx0 | ALL
+ * Ch3 : Pcm0_Tx1 | Pcm0_Tx1 | ALL
+ * Ch4 : Pcm1_Rx0 | I2S_Tx0  | ALL
+ * Ch5 : Pcm1_Rx1 | I2S_Tx1  | ALL
+ * Ch6 : Pcm1_Tx0 |  ALL     | ALL
+ * Ch7 : Pcm1_Tx1 |  ALL     | ALL
+ *
+ * RT3883:
+ * Ch0  : Pcm0_Rx0 | Pcm0_Rx0 | ALL
+ * Ch1  : Pcm0_Rx1 | Pcm0_Rx1 | ALL
+ * Ch2  : Pcm0_Tx0 | Pcm0_Tx0 | ALL
+ * Ch3  : Pcm0_Tx1 | Pcm0_Tx1 | ALL
+ * Ch4  : Pcm1_Rx0 | I2S_Tx0  | ALL
+ * Ch5  : Pcm1_Rx1 | I2S_Tx1  | ALL
+ * Ch6  : Pcm1_Tx0 | I2S_Rx0  | ALL
+ * Ch7  : Pcm1_Tx1 | I2S_Rx1  | ALL
+ * Ch8  : ALL	   |  ALL     | ALL
+ * Ch9  : ALL	   |  ALL     | ALL
+ * Ch10 : ALL	   |  ALL     | ALL
+ * Ch11 : ALL	   |  ALL     | ALL
+ * Ch12 : ALL	   |  ALL     | ALL PCI TX
+ * Ch13 : ALL	   |  ALL     | ALL PCI RX
+ * Ch14 : ALL	   |  ALL     | ALL
+ * Ch15 : ALL	   |  ALL     | ALL
+ *
+ */
+
+spinlock_t  gdma_lock;
+spinlock_t  gdma_lock_mem;
+spinlock_t  gdma_int_lock;
+void (*GdmaDoneIntCallback[MAX_GDMA_CHANNEL])(uint32_t);
+void (*GdmaUnMaskIntCallback[MAX_GDMA_CHANNEL])(uint32_t);
+
+
+/**
+ * @brief Get free GDMA channel
+ *
+ * @param  ChNum   GDMA channel number
+ * @retval 1  	   channel is available
+ * @retval 0  	   channels are all busy
+ */
+int _GdmaGetFreeCh(uint32_t *ChNum)
+{
+    unsigned long flags;
+    uint32_t Data=0;
+    uint32_t Ch=0;
+#if defined (CONFIG_GDMA_DEBUG)
+    static uint32_t Ch_RR=0;
+#endif
+
+    spin_lock_irqsave(&gdma_lock, flags);
+
+#if defined (CONFIG_GDMA_PCM_ONLY)
+#if defined (CONFIG_RALINK_RT3883) || defined (CONFIG_RALINK_RT3352) || defined (CONFIG_RALINK_RT5350) || defined (CONFIG_RALINK_RT6855) || defined (CONFIG_RALINK_RT6855A) || defined (CONFIG_RALINK_MT7620)  ||  defined (CONFIG_RALINK_MT7621) || defined (CONFIG_RALINK_MT7628) || defined (CONFIG_ARCH_MT7623)
+    for(Ch=14; Ch<MAX_GDMA_CHANNEL;Ch++)  //channel 14~max_channe, channel 0~13 be usedl
+#else
+    for(Ch=MAX_GDMA_CHANNEL; Ch<MAX_GDMA_CHANNEL;Ch++)  //no free channel
+#endif
+#elif defined (CONFIG_GDMA_PCM_I2S_OTHERS)
+#if defined (CONFIG_RALINK_RT3883) || defined (CONFIG_RALINK_RT3352) || defined (CONFIG_RALINK_RT5350) || defined (CONFIG_RALINK_RT6855) || defined (CONFIG_RALINK_RT6855A) || defined (CONFIG_RALINK_MT7620)  ||  defined (CONFIG_RALINK_MT7621) || defined (CONFIG_RALINK_MT7628) || defined (CONFIG_ARCH_MT7623)
+    for(Ch=14; Ch<MAX_GDMA_CHANNEL;Ch++)  //channel 14~max_channe, channel 0~13 be usedl
+#else
+    for(Ch=6; Ch<MAX_GDMA_CHANNEL;Ch++)  //channel 6~max_channel
+#endif
+#elif defined (CONFIG_GDMA_EVERYBODY)
+    for(Ch=0; Ch<MAX_GDMA_CHANNEL;Ch++)  //all channel
+#elif defined (CONFIG_GDMA_DEBUG)
+    for(Ch=(Ch_RR++)%MAX_GDMA_CHANNEL; Ch<MAX_GDMA_CHANNEL;Ch++)  //round robin
+#endif
+    {
+	Data=GDMA_READ_REG(GDMA_CTRL_REG(Ch));
+
+	/* hardware will reset this bit if transaction is done.
+	 * It means channel is free */
+	if((Data & (0x01<<CH_EBL_OFFSET))==0) { 
+	    *ChNum = Ch;
+	    spin_unlock_irqrestore(&gdma_lock, flags);
+	    return 1; //Channel is free
+	}
+    }
+
+    spin_unlock_irqrestore(&gdma_lock, flags);
+    return 0; // Channels are all busy
+
+}
+
+/**
+ * @brief Set channel is masked
+ *
+ * When channel is masked, the GDMA transaction will stop. 
+ * When GDMA controller comes back from another channel (chain feature)
+ *
+ * >> Channel Mask=0: It's strange, and turns on related bit in GDMA interrupt
+ * status register (16:23 Unmasked)
+ *
+ * >> Channel Mask=1: It'll start GDMA transation, and clear this bit. 
+ *
+ * @param  ChNum   	GDMA channel number
+ * @retval 1  	   	success
+ * @retval 0  	   	fail
+ */
+int GdmaMaskChannel(uint32_t ChNum)
+{
+    uint32_t Data=0;
+
+    Data=GDMA_READ_REG(GDMA_CTRL_REG1(ChNum));
+    Data |= ( 0x01 << CH_MASK_OFFSET); 
+    GDMA_WRITE_REG(GDMA_CTRL_REG1(ChNum), Data);
+    GDMA_PRINT("%s: Write %0X to %X\n", __FUNCTION__, Data, GDMA_CTRL_REG1(ChNum));
+
+    return 1;
+}
+
+/**
+ * @brief Set channel is unmasked
+ *
+ * You can unmask the channel to start GDMA transaction. 
+ *
+ * When GDMA controller comes back from another channel (chain feature)
+ *
+ * >> Channel Mask=0: It's strange, and turns on related bit in GDMA interrupt
+ * status register (16:23 Unmasked)
+ *
+ * >> Channel Mask=1: It'll start GDMA transation, and clear this bit. 
+ *
+ * @param  ChNum   	GDMA channel number
+ * @retval 1  	   	success
+ * @retval 0  	   	fail
+ */
+int GdmaUnMaskChannel(uint32_t ChNum)
+{
+    uint32_t Data=0;
+
+    Data=GDMA_READ_REG(GDMA_CTRL_REG1(ChNum));
+    Data &= ~( 0x01 << CH_MASK_OFFSET); 
+    GDMA_WRITE_REG(GDMA_CTRL_REG1(ChNum), Data);
+    GDMA_PRINT("%s: Write %0X to %X\n", __FUNCTION__, Data, GDMA_CTRL_REG1(ChNum));
+
+    return 1;
+}
+
+/**
+ * @brief Insert new GDMA entry to start GDMA transaction
+ *
+ * @param  ChNum   	GDMA channel number
+ * @retval 1  	   	success
+ * @retval 0  	   	fail
+ */
+int GdmaReqQuickIns(uint32_t ChNum)
+{
+    uint32_t Data=0;
+
+    //Mask Channel
+    Data = GDMA_READ_REG(GDMA_CTRL_REG1(ChNum));
+    Data |= ( 0x1 << CH_MASK_OFFSET); 
+    GDMA_WRITE_REG(GDMA_CTRL_REG1(ChNum), Data);
+
+    //Channel Enable
+    Data = GDMA_READ_REG(GDMA_CTRL_REG(ChNum));
+    Data |= (0x01<<CH_EBL_OFFSET); 
+    GDMA_WRITE_REG(GDMA_CTRL_REG(ChNum), Data);
+
+    return 1;
+
+}
+
+int _GdmaReqEntryIns(GdmaReqEntry *NewEntry)
+{
+    uint32_t Data=0;
+
+    GDMA_PRINT("== << GDMA Control Reg (Channel=%d) >> ===\n", NewEntry->ChNum);
+    GDMA_PRINT(" Channel Source Addr = %x \n", NewEntry->Src);
+    GDMA_PRINT(" Channel Dest Addr = %x \n", NewEntry->Dst);
+    GDMA_PRINT(" Transfer Count=%d\n", NewEntry->TransCount);
+    GDMA_PRINT(" Source DMA Req= DMA_REQ%d\n", NewEntry->SrcReqNum);
+    GDMA_PRINT(" Dest DMA Req= DMA_REQ%d\n", NewEntry->DstReqNum);
+    GDMA_PRINT(" Source Burst Mode=%s\n", NewEntry->SrcBurstMode ? "Fix" : "Inc");
+    GDMA_PRINT(" Dest Burst Mode=%s\n", NewEntry->DstBurstMode ? "Fix" : "Inc");
+    GDMA_PRINT(" Burst Size=%s\n", NewEntry->BurstSize ==0 ? "1 transfer" : \
+	    NewEntry->BurstSize ==1 ? "2 transfer" :\
+	    NewEntry->BurstSize ==2 ? "4 transfer" :\
+	    NewEntry->BurstSize ==3 ? "8 transfer" :\
+	    NewEntry->BurstSize ==4 ? "16 transfer" :\
+	    "Error");
+    GDMA_PRINT(" Hardware/Software Mode = %s\n", NewEntry->SoftMode ?
+	    "Soft" : "Hw");
+    GDMA_PRINT("== << GDMA Control Reg1 (Channel=%d) >> =\n", NewEntry->ChNum);
+    GDMA_PRINT("Channel Done Interrput=%s\n", (NewEntry->DoneIntCallback!=NULL) ? 
+	    "Enable" : "Disable");
+    GDMA_PRINT("Channel Unmasked Int=%s\n", (NewEntry->UnMaskIntCallback!=NULL) ? 
+	    "Enable" : "Disable");
+#if !defined (CONFIG_RALINK_RT3052) && !defined (CONFIG_RALINK_RT3883)
+    GDMA_PRINT("Coherent Interrupt =%s\n", (NewEntry->CoherentIntEbl==1)?
+	    "Enable" : "Disable");
+#endif
+    GDMA_PRINT("Next Unmasked Channel=%d\n", NewEntry->NextUnMaskCh);
+    GDMA_PRINT("Channel Mask=%d\n", NewEntry->ChMask);
+    GDMA_PRINT("========================================\n");
+
+    GDMA_WRITE_REG(GDMA_SRC_REG(NewEntry->ChNum), NewEntry->Src);
+    GDMA_PRINT("SrcAddr: Write %0X to %X\n", \
+	    NewEntry->Src, GDMA_SRC_REG(NewEntry->ChNum));
+
+    GDMA_WRITE_REG(GDMA_DST_REG(NewEntry->ChNum), NewEntry->Dst);
+    GDMA_PRINT("DstAddr: Write %0X to %X\n", \
+	    NewEntry->Dst, GDMA_DST_REG(NewEntry->ChNum));
+
+    Data |= ( (NewEntry->NextUnMaskCh) << NEXT_UNMASK_CH_OFFSET); 
+    Data |= ( NewEntry->ChMask << CH_MASK_OFFSET); 
+#if !defined (CONFIG_RALINK_RT3052) && !defined (CONFIG_RALINK_RT3883)
+    Data |= ( NewEntry->CoherentIntEbl << COHERENT_INT_EBL_OFFSET); 
+#endif
+
+    if(NewEntry->UnMaskIntCallback!=NULL) {
+	Data |= (0x01<<CH_UNMASKINT_EBL_OFFSET); 
+	GdmaUnMaskIntCallback[NewEntry->ChNum] = NewEntry->UnMaskIntCallback;
+    }
+
+#if defined (CONFIG_RALINK_RT3883) || defined (CONFIG_RALINK_RT3352) || defined (CONFIG_RALINK_RT5350) || defined (CONFIG_RALINK_RT6855) || defined (CONFIG_RALINK_RT6855A) || defined (CONFIG_RALINK_MT7620)  ||  defined (CONFIG_RALINK_MT7621) || defined (CONFIG_RALINK_MT7628) || defined (CONFIG_ARCH_MT7623)
+    Data |= (NewEntry->SrcReqNum << SRC_DMA_REQ_OFFSET); 
+    Data |= (NewEntry->DstReqNum << DST_DMA_REQ_OFFSET); 
+#endif
+
+    GDMA_WRITE_REG(GDMA_CTRL_REG1(NewEntry->ChNum), Data);
+    GDMA_PRINT("CTRL1: Write %08X to %8X\n", Data, GDMA_CTRL_REG1(NewEntry->ChNum));
+
+    Data = ((NewEntry->TransCount) << TRANS_CNT_OFFSET); 
+#if defined (CONFIG_RALINK_RT3052)
+    Data |= (NewEntry->SrcReqNum << SRC_DMA_REQ_OFFSET); 
+    Data |= (NewEntry->DstReqNum << DST_DMA_REQ_OFFSET); 
+#endif
+    Data |= (NewEntry->SrcBurstMode << SRC_BRST_MODE_OFFSET); 
+    Data |= (NewEntry->DstBurstMode << DST_BRST_MODE_OFFSET); 
+    Data |= (NewEntry->BurstSize << BRST_SIZE_OFFSET); 
+
+    if(NewEntry->DoneIntCallback!=NULL) {
+	Data |= (0x01<<CH_DONEINT_EBL_OFFSET); 
+	GdmaDoneIntCallback[NewEntry->ChNum] = NewEntry->DoneIntCallback;
+    }
+
+    if(NewEntry->SoftMode) {
+	Data |= (0x01<<MODE_SEL_OFFSET); 
+    }
+
+    Data |= (0x01<<CH_EBL_OFFSET); 
+    GDMA_WRITE_REG(GDMA_CTRL_REG(NewEntry->ChNum), Data);
+    //GDMA_READ_REG(GDMA_CTRL_REG(NewEntry->ChNum));
+    GDMA_PRINT("CTRL: Write %08X to %8X\n", Data, GDMA_CTRL_REG(NewEntry->ChNum));    
+     //if there is no interrupt handler, this function will 
+    //return 1 until GDMA done.
+    if(NewEntry->DoneIntCallback==NULL) { 
+	//wait for GDMA processing done
+#if defined (CONFIG_RALINK_RT3052)	
+	while((GDMA_READ_REG(RALINK_GDMAISTS) & 
+		    (0x1<<NewEntry->ChNum))==0); 
+	//write 1 clear
+	GDMA_WRITE_REG(RALINK_GDMAISTS, 1<< NewEntry->ChNum); 
+#elif defined (CONFIG_RALINK_RT3883) || defined (CONFIG_RALINK_RT3352) || defined (CONFIG_RALINK_RT5350) || defined (CONFIG_RALINK_RT6855) || defined (CONFIG_RALINK_RT6855A) || defined (CONFIG_RALINK_MT7620)  ||  defined (CONFIG_RALINK_MT7621) || defined (CONFIG_RALINK_MT7628) || defined (CONFIG_ARCH_MT7623)
+	while((GDMA_READ_REG(RALINK_GDMA_DONEINT) & 
+		    (0x1<<NewEntry->ChNum))==0); 
+	//write 1 clear
+	GDMA_WRITE_REG(RALINK_GDMA_DONEINT, 1<< NewEntry->ChNum); 
+#endif
+    }
+
+    return 1;
+
+}
+
+#if defined(CONFIG_RALINK_MT7620) || defined (CONFIG_RALINK_MT7621) || defined (CONFIG_RALINK_MT7628) || defined (CONFIG_ARCH_MT7623)
+/**
+ * @brief Start GDMA transaction for sending data to SPI
+ *
+ * @param  *Src   	source address
+ * @param  *Dst    	destination address
+
+ * @param  TransCount  	data length
+ * @param  *DoneIntCallback  callback function when transcation is done
+ * @param  *UnMaskIntCallback  callback func when ch mask field is incorrect
+ * @retval 1  	   	success
+ * @retval 0  	   	fail
+ */
+int GdmaSpiTx(
+	uint32_t Src, 
+	uint32_t Dst, 
+	uint16_t TransCount,
+	void (*DoneIntCallback)(uint32_t data),
+	void (*UnMaskIntCallback)(uint32_t data)
+	)
+{
+    GdmaReqEntry Entry;
+
+	#if defined (CONFIG_MIPS)
+    Entry.Src= (Src & 0x1FFFFFFF);
+    Entry.Dst= (Dst & 0x1FFFFFFF);
+  #else  
+    Entry.Src= Src;
+    Entry.Dst= Dst;
+  #endif
+    Entry.TransCount = TransCount;
+    Entry.SrcBurstMode=INC_MODE;
+    Entry.DstBurstMode=FIX_MODE;
+    Entry.BurstSize=BUSTER_SIZE_4B; 
+    Entry.SrcReqNum=DMA_MEM_REQ;
+    Entry.DstReqNum=DMA_SPI_TX_REQ;
+    Entry.DoneIntCallback=DoneIntCallback;
+    Entry.UnMaskIntCallback=UnMaskIntCallback;
+    Entry.SoftMode=0;
+    Entry.ChMask=0;
+    Entry.CoherentIntEbl=0;
+  
+	//enable chain feature
+	Entry.ChNum = GDMA_SPI_TX;
+	Entry.NextUnMaskCh = GDMA_SPI_TX;
+
+    return _GdmaReqEntryIns(&Entry);
+}
+
+int GdmaSpiRx(
+	uint32_t Src, 
+	uint32_t Dst, 
+	uint16_t TransCount,
+	void (*DoneIntCallback)(uint32_t data),
+	void (*UnMaskIntCallback)(uint32_t data)
+	)
+{
+    GdmaReqEntry Entry;
+
+	#if defined (CONFIG_MIPS)
+    Entry.Src= (Src & 0x1FFFFFFF);
+    Entry.Dst= (Dst & 0x1FFFFFFF);
+  #else  
+    Entry.Src= Src;
+    Entry.Dst= Dst;
+  #endif
+    Entry.TransCount = TransCount;
+    Entry.SrcBurstMode=FIX_MODE;
+    Entry.DstBurstMode=INC_MODE;
+    Entry.BurstSize=BUSTER_SIZE_4B; 
+    Entry.SrcReqNum=DMA_SPI_RX_REQ;
+    Entry.DstReqNum=DMA_MEM_REQ;
+    Entry.DoneIntCallback=DoneIntCallback;
+    Entry.UnMaskIntCallback=UnMaskIntCallback;
+    Entry.SoftMode=0;
+    Entry.ChMask=0;
+    Entry.CoherentIntEbl=1;
+    
+
+	//enable chain feature
+	Entry.ChNum=GDMA_SPI_RX;
+	Entry.NextUnMaskCh=GDMA_SPI_RX;
+    
+
+    return _GdmaReqEntryIns(&Entry);
+
+}
+#endif
+
+
+/**
+ * @brief Start GDMA transaction for sending data to I2S
+ *
+ * @param  *Src   	source address
+ * @param  *Dst    	destination address
+ * @param  TxNo    	I2S Tx number 
+ * @param  TransCount  	data length
+ * @param  *DoneIntCallback  callback function when transcation is done
+ * @param  *UnMaskIntCallback  callback func when ch mask field is incorrect
+ * @retval 1  	   	success
+ * @retval 0  	   	fail
+ */
+int GdmaI2sTx(
+	uint32_t Src, 
+	uint32_t Dst, 
+	uint8_t TxNo,
+	uint16_t TransCount,
+	void (*DoneIntCallback)(uint32_t data),
+	void (*UnMaskIntCallback)(uint32_t data)
+	)
+{
+    GdmaReqEntry Entry;
+
+	#if defined (CONFIG_MIPS)
+    Entry.Src= (Src & 0x1FFFFFFF);
+    Entry.Dst= (Dst & 0x1FFFFFFF);
+  #else  
+    Entry.Src= Src;
+    Entry.Dst= Dst;
+  #endif
+    Entry.TransCount = TransCount;
+    Entry.SrcBurstMode=INC_MODE;
+    Entry.DstBurstMode=FIX_MODE;
+    Entry.BurstSize=BUSTER_SIZE_4B; 
+    Entry.SrcReqNum=DMA_MEM_REQ;
+    Entry.DstReqNum=DMA_I2S_TX_REQ;
+    Entry.DoneIntCallback=DoneIntCallback;
+    Entry.UnMaskIntCallback=UnMaskIntCallback;
+    Entry.SoftMode=0;
+    Entry.ChMask=1;
+    Entry.CoherentIntEbl=0;
+   
+    if(TxNo==0) { //TX0
+	//enable chain feature
+	Entry.ChNum=GDMA_I2S_TX0;
+	Entry.NextUnMaskCh= (TransCount==4) ?  GDMA_I2S_TX0 : GDMA_I2S_TX1;
+    }else if(TxNo==1) { //TX1
+	//enable chain feature
+	Entry.ChNum=GDMA_I2S_TX1;
+	Entry.NextUnMaskCh= (TransCount==4) ? GDMA_I2S_TX1 : GDMA_I2S_TX0;
+    }else {
+	GDMA_PRINT("I2S Tx Number %x is invalid\n", TxNo);
+	return 0;
+    }
+
+    return _GdmaReqEntryIns(&Entry);
+
+}
+
+
+#if defined (CONFIG_RALINK_RT3883) || defined (CONFIG_RALINK_RT3352) || defined (CONFIG_RALINK_RT5350) || defined (CONFIG_RALINK_RT6855) || defined (CONFIG_RALINK_RT6855A) || defined (CONFIG_RALINK_MT7620) || defined (CONFIG_RALINK_MT7621) || defined (CONFIG_RALINK_MT7628) || defined (CONFIG_ARCH_MT7623)
+/**
+ * @brief Start GDMA transaction for receiving data to I2S
+ *
+ * @param  *Src   	source address
+ * @param  *Dst    	destination address
+ * @param  TxNo    	I2S Tx number 
+ * @param  TransCount  	data length
+ * @param  *DoneIntCallback  callback function when transcation is done
+ * @param  *UnMaskIntCallback  callback func when ch mask field is incorrect
+ * @retval 1  	   	success
+ * @retval 0  	   	fail
+ */
+int GdmaI2sRx(
+	uint32_t Src, 
+	uint32_t Dst, 
+	uint8_t RxNo,
+	uint16_t TransCount,
+	void (*DoneIntCallback)(uint32_t data),
+	void (*UnMaskIntCallback)(uint32_t data)
+	)
+{
+    GdmaReqEntry Entry;
+	#if defined (CONFIG_MIPS)
+    Entry.Src= (Src & 0x1FFFFFFF);
+    Entry.Dst= (Dst & 0x1FFFFFFF);
+  #else  
+    Entry.Src= Src;
+    Entry.Dst= Dst;
+  #endif
+    Entry.TransCount = TransCount;
+    Entry.SrcBurstMode=FIX_MODE;
+    Entry.DstBurstMode=INC_MODE;
+    Entry.BurstSize=BUSTER_SIZE_4B; 
+    Entry.SrcReqNum=DMA_I2S_RX_REQ;
+    Entry.DstReqNum=DMA_MEM_REQ;
+    Entry.DoneIntCallback=DoneIntCallback;
+    Entry.UnMaskIntCallback=UnMaskIntCallback;
+    Entry.SoftMode=0;
+    Entry.ChMask=1;
+    Entry.CoherentIntEbl=1;
+    
+    if(RxNo==0) { //RX0
+	//enable chain feature
+	Entry.ChNum=GDMA_I2S_RX0;
+	Entry.NextUnMaskCh=(TransCount==4) ? GDMA_I2S_RX0 : GDMA_I2S_RX1;
+    }else if(RxNo==1) { //RX1
+	//enable chain feature
+	Entry.ChNum=GDMA_I2S_RX1;
+	Entry.NextUnMaskCh=(TransCount==4) ? GDMA_I2S_RX1 : GDMA_I2S_RX0;
+    }else {
+	GDMA_PRINT("I2S Rx Number %x is invalid\n", RxNo);
+	return 0;
+    }
+
+    return _GdmaReqEntryIns(&Entry);
+
+}
+
+#endif
+
+/**
+ * @brief Start GDMA transaction for receiving data from PCM
+ *
+ * @param  *Src   	source address
+ * @param  *Dst    	destination address
+ * @param  TransCount   data length
+ * @param  PcmNo    	PCM channel
+ * @param  RxNo    	PCM Rx number 
+ * @param  *DoneIntCallback  callback function when transcation is done
+ * @param  *UnMaskIntCallback  callback func when ch mask field is incorrect
+ * @retval 1  	   	success
+ * @retval 0  	   	fail
+ */
+int GdmaPcmRx(
+	uint32_t Src, 
+	uint32_t Dst, 
+	uint8_t PcmNo,
+	uint8_t RxNo,
+	uint16_t TransCount, 
+	void (*DoneIntCallback)(uint32_t data),
+	void (*UnMaskIntCallback)(uint32_t data)
+	)
+{
+    GdmaReqEntry Entry;
+
+	#if defined (CONFIG_MIPS)
+    Entry.Src= (Src & 0x1FFFFFFF);
+    Entry.Dst= (Dst & 0x1FFFFFFF);
+  #else  
+    Entry.Src= Src;
+    Entry.Dst= Dst;
+  #endif
+    Entry.TransCount = TransCount;
+    Entry.SrcBurstMode=FIX_MODE;
+    Entry.DstBurstMode=INC_MODE;
+    Entry.BurstSize=BUSTER_SIZE_4B; 
+    Entry.DstReqNum=DMA_MEM_REQ; 
+    Entry.DoneIntCallback=DoneIntCallback;
+    Entry.UnMaskIntCallback=UnMaskIntCallback;
+    Entry.SoftMode=0;
+    Entry.ChMask=1;
+    Entry.CoherentIntEbl=1;
+
+	if(RxNo > 2) {
+		GDMA_PRINT("PCM Rx Number %x is invalid\n", RxNo);
+		return 0;
+	}
+
+	switch(PcmNo)
+	{
+	case 0:
+		Entry.SrcReqNum=DMA_PCM_RX0_REQ;
+		break;
+	case 1:
+		Entry.SrcReqNum=DMA_PCM_RX1_REQ;
+		break;
+#if defined(CONFIG_RALINK_MT7620) || defined (CONFIG_RALINK_MT7621) || defined (CONFIG_RALINK_MT7628) || defined (CONFIG_ARCH_MT7623)
+	case 2:
+		Entry.SrcReqNum=DMA_PCM_RX2_REQ;
+		break;
+	case 3:
+		Entry.SrcReqNum=DMA_PCM_RX3_REQ;
+		break;
+#endif
+	default:
+		GDMA_PRINT("PCM Channel %x is invalid\n", PcmNo);
+		return 0;
+	}
+	Entry.ChNum=GDMA_PCM_RX(PcmNo,RxNo);
+	Entry.NextUnMaskCh=GDMA_PCM_RX(PcmNo,1-RxNo);
+
+    return _GdmaReqEntryIns(&Entry);
+
+}
+
+/**
+ * @brief Start GDMA transaction for sending data to PCM
+ *
+ * @param  *Src		    source address
+ * @param  *Dst		    destination address
+ * @param  TransCount	    data length
+ * @param  PcmNo	    PCM channel
+ * @param  TxNo		    PCM Tx number 
+ * @param  *DoneIntCallback  callback func when transcation is done
+ * @param  *UnMaskIntCallback  callback func when ch mask field is incorrect
+ * @retval 1		    success
+ * @retval 0		    fail
+ */
+int GdmaPcmTx(
+	uint32_t Src, 
+	uint32_t Dst, 
+	uint8_t PcmNo,
+	uint8_t TxNo,
+	uint16_t TransCount, 
+	void (*DoneIntCallback)(uint32_t data),
+	void (*UnMaskIntCallback)(uint32_t data)
+	)
+{
+    GdmaReqEntry Entry;
+
+	#if defined (CONFIG_MIPS)
+    Entry.Src= (Src & 0x1FFFFFFF);
+    Entry.Dst= (Dst & 0x1FFFFFFF);
+  #else  
+    Entry.Src= Src;
+    Entry.Dst= Dst;
+  #endif
+    Entry.TransCount = TransCount;
+    Entry.SrcBurstMode=INC_MODE;
+    Entry.DstBurstMode=FIX_MODE;
+    Entry.BurstSize=BUSTER_SIZE_4B; 
+    Entry.SrcReqNum=DMA_MEM_REQ; 
+    Entry.DoneIntCallback=DoneIntCallback;
+    Entry.UnMaskIntCallback=UnMaskIntCallback;
+    Entry.SoftMode=0; //Hardware Mode
+    Entry.ChMask=1;
+    Entry.CoherentIntEbl=0;
+
+	if(TxNo > 2) {
+        GDMA_PRINT("PCM Tx Number %x is invalid\n", TxNo);
+		return 0;
+	}
+	switch(PcmNo)
+	{
+	case 0:
+		Entry.DstReqNum=DMA_PCM_TX0_REQ;
+		break;
+	case 1:
+		Entry.DstReqNum=DMA_PCM_TX1_REQ;
+		break;
+#if defined(CONFIG_RALINK_MT7620) || defined (CONFIG_RALINK_MT7621) || defined (CONFIG_RALINK_MT7628) || defined (CONFIG_ARCH_MT7623)
+	case 2:
+		Entry.DstReqNum=DMA_PCM_TX2_REQ;
+		break;
+	case 3:
+		Entry.DstReqNum=DMA_PCM_TX3_REQ;
+		break;
+#endif
+	default:
+		GDMA_PRINT("PCM Channel %x is invalid\n", PcmNo);	
+		return 0;
+	}
+	Entry.ChNum=GDMA_PCM_TX(PcmNo,TxNo);
+	Entry.NextUnMaskCh=GDMA_PCM_TX(PcmNo,1-TxNo);
+
+    return _GdmaReqEntryIns(&Entry);
+
+}
+
+
+/**
+ * @brief Start GDMA transaction for memory to memory copy
+ *
+ * @param  *Src		    source address
+ * @param  *Dst		    destination address
+ * @param  TransCount	    data length
+ * @param  *DoneIntCallback  callback function when transcation is done
+ * @retval 1		    success
+ * @retval 0		    fail
+ */
+int GdmaMem2Mem(
+	uint32_t Src, 
+	uint32_t Dst, 
+	uint16_t TransCount,
+	void (*DoneIntCallback)(uint32_t data)
+	)
+
+{
+
+    GdmaReqEntry Entry;
+	#if defined (CONFIG_MIPS)
+    Entry.Src= (Src & 0x1FFFFFFF);
+    Entry.Dst= (Dst & 0x1FFFFFFF);
+  #else  
+    Entry.Src= Src;
+    Entry.Dst= Dst;
+  #endif
+
+    //Entry.Src= virt_to_phys(Src);
+    //Entry.Dst= virt_to_phys(Dst);    
+    
+    
+    
+    Entry.TransCount = TransCount;
+    Entry.SrcBurstMode=INC_MODE;
+    Entry.DstBurstMode=INC_MODE;
+    Entry.BurstSize=BUSTER_SIZE_64B; 
+    Entry.SrcReqNum=DMA_MEM_REQ; 
+    Entry.DstReqNum=DMA_MEM_REQ; 
+    Entry.DoneIntCallback=DoneIntCallback;
+    Entry.UnMaskIntCallback=NULL;
+    Entry.SoftMode=1;
+    Entry.ChMask=0;
+
+    Entry.CoherentIntEbl=1;
+
+    //No reserved channel for Memory to Memory GDMA,
+    //get free channel on demand
+    if(!_GdmaGetFreeCh(&Entry.ChNum)) {
+			GDMA_PRINT("GDMA Channels are all busy\n");
+			return 0;
+    }
+
+
+    //set next channel to their own channel 
+    //to disable chain feature
+    Entry.NextUnMaskCh= Entry.ChNum;
+      //printk ("ChNum = %d\n", Entry.ChNum);
+    //set next channel to another channel
+    //to enable chain feature
+    //Entry.NextUnMaskCh= (Entry.ChNum+1) % MAX_GDMA_CHANNEL;
+
+    return _GdmaReqEntryIns(&Entry);
+ 
+
+}
+
+/**
+ * @brief GDMA interrupt handler 
+ *
+ * When GDMA transcation is done, call related handler 
+ * to do the remain job.
+ *
+ */
+irqreturn_t GdmaIrqHandler(
+	int irq, 
+	void *irqaction
+	)
+{
+
+    u32 Ch=0;
+    unsigned long flags;
+#if defined (CONFIG_RALINK_RT3052)	
+    u32 GdmaUnMaskStatus=GDMA_READ_REG(RALINK_GDMAISTS) & 0xFF0000;
+    u32 GdmaDoneStatus=GDMA_READ_REG(RALINK_GDMAISTS) & 0xFF;
+#elif defined (CONFIG_RALINK_RT3883) || defined (CONFIG_RALINK_RT3352) || defined (CONFIG_RALINK_RT5350) || defined (CONFIG_RALINK_RT6855) || defined (CONFIG_RALINK_RT6855A) || defined (CONFIG_RALINK_MT7620)  ||  defined (CONFIG_RALINK_MT7621) || defined (CONFIG_RALINK_MT7628) || defined (CONFIG_ARCH_MT7623)
+    u32 GdmaUnMaskStatus=GDMA_READ_REG(RALINK_GDMA_UNMASKINT);
+    u32 GdmaDoneStatus=GDMA_READ_REG(RALINK_GDMA_DONEINT);
+#endif
+    //printk("********GDMA Interrupt*******************\n");
+
+    //GDMA_PRINT("========================================\n");
+    //GDMA_PRINT("GdmaUnMask Interrupt=%x\n",GdmaUnMaskStatus);
+    //GDMA_PRINT("GdmaDone Interrupt=%x\n",GdmaDoneStatus);
+    //GDMA_PRINT("========================================\n");
+
+    spin_lock_irqsave(&gdma_int_lock, flags);
+    
+    //write 1 clear
+#if defined (CONFIG_RALINK_RT3052)	
+    GDMA_WRITE_REG(RALINK_GDMAISTS, GdmaUnMaskStatus); 
+#elif defined (CONFIG_RALINK_RT3883) || defined (CONFIG_RALINK_RT3352) || defined (CONFIG_RALINK_RT5350) || defined (CONFIG_RALINK_RT6855) || defined (CONFIG_RALINK_RT6855A) || defined (CONFIG_RALINK_MT7620)  ||  defined (CONFIG_RALINK_MT7621) || defined (CONFIG_RALINK_MT7628) || defined (CONFIG_ARCH_MT7623)
+    GDMA_WRITE_REG(RALINK_GDMA_UNMASKINT, GdmaUnMaskStatus); 
+#endif
+
+    //UnMask error
+    for(Ch=0;Ch<MAX_GDMA_CHANNEL;Ch++) {
+
+	if(GdmaUnMaskStatus & (0x1 << (UNMASK_INT_STATUS(Ch))) ) {
+	    if(GdmaUnMaskIntCallback[Ch] != NULL) {
+		GdmaUnMaskIntCallback[Ch](Ch);
+	      // printk("GdmaUnMaskIntCallback \n");	
+	    }
+	}
+     }	
+  
+    //write 1 clear
+#if defined (CONFIG_RALINK_RT3052)	
+     GDMA_WRITE_REG(RALINK_GDMAISTS, GdmaDoneStatus); 
+#elif defined (CONFIG_RALINK_RT3883) || defined (CONFIG_RALINK_RT3352) || defined (CONFIG_RALINK_RT5350) || defined (CONFIG_RALINK_RT6855) || defined (CONFIG_RALINK_RT6855A) || defined (CONFIG_RALINK_MT7620)  ||  defined (CONFIG_RALINK_MT7621) || defined (CONFIG_RALINK_MT7628) || defined (CONFIG_ARCH_MT7623)
+     GDMA_WRITE_REG(RALINK_GDMA_DONEINT, GdmaDoneStatus); 
+#endif
+
+     //printk("interrupt status = %x \n", GdmaDoneStatus);
+     //processing done
+     for(Ch=0;Ch<MAX_GDMA_CHANNEL;Ch++) {
+			if(GdmaDoneStatus & (0x1<<Ch)) {
+	    	if(GdmaDoneIntCallback[Ch] != NULL) {
+	    		//printk("*************Interrupt Ch=%d***********\n", Ch);
+					GdmaDoneIntCallback[Ch](Ch); 
+	    	}
+			}
+    }
+
+//printk("interrupt status clear = %x \n", GDMA_READ_REG(RALINK_GDMA_DONEINT));
+    spin_unlock_irqrestore(&gdma_int_lock, flags);
+
+    return IRQ_HANDLED;
+
+}
+
+static int RalinkGdmaInit(void)
+{
+
+    uint32_t Ret=0;
+    uint32_t val = 0;
+    printk("Enable Ralink GDMA Controller Module \n");
+#if defined (CONFIG_RALINK_RT3883) || defined (CONFIG_RALINK_RT3352) || defined (CONFIG_RALINK_RT5350) || defined (CONFIG_RALINK_RT6855) || defined (CONFIG_RALINK_RT6855A) || defined (CONFIG_RALINK_MT7620)  ||  defined (CONFIG_RALINK_MT7621) || defined (CONFIG_RALINK_MT7628) || defined (CONFIG_ARCH_MT7623)
+    printk("GDMA IP Version=%d\n", GET_GDMA_IP_VER);
+#endif
+spin_lock_init(&gdma_int_lock);
+spin_lock_init(&gdma_lock);
+//spin_lock_init(&gdma_lock_mem);
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,35)
+	#if defined (CONFIG_MIPS)
+	    Ret = request_irq(SURFBOARDINT_DMA, GdmaIrqHandler, \
+		    IRQF_DISABLED, "Ralink_DMA", NULL);
+	#else
+	    Ret = request_irq(SURFBOARDINT_DMA, GdmaIrqHandler, \
+		    IRQF_TRIGGER_LOW, "Ralink_DMA", NULL);
+	#endif
+#else
+    Ret = request_irq(SURFBOARDINT_DMA, GdmaIrqHandler, \
+	    SA_INTERRUPT, "Ralink_DMA", NULL);
+#endif
+
+/*
+    Ret = request_irq(131, GdmaIrqHandler, \
+	    IRQF_TRIGGER_LOW, "Ralink_DMA", NULL);
+	    */
+    if(Ret){
+	GDMA_PRINT("IRQ %d is not free.\n", SURFBOARDINT_DMA);
+	return 1;
+    }
+    
+#if defined (CONFIG_MIPS)
+    //Enable GDMA interrupt
+    val = le32_to_cpu(*(volatile u32 *)(RALINK_REG_INTENA));
+    val |= RALINK_INTCTL_DMA;
+    GDMA_WRITE_REG(RALINK_REG_INTENA, val);
+#endif
+
+    //Channel0~Channel7 are round-robin
+#if defined (CONFIG_RALINK_RT3052)
+    GDMA_WRITE_REG(RALINK_GDMAGCT, 0x01);
+#elif defined (CONFIG_RALINK_RT3883) || defined (CONFIG_RALINK_RT3352) || defined (CONFIG_RALINK_RT5350) || defined (CONFIG_RALINK_RT6855) || defined (CONFIG_RALINK_RT6855A) || defined (CONFIG_RALINK_MT7620)  ||  defined (CONFIG_RALINK_MT7621) || defined (CONFIG_RALINK_MT7628) || defined (CONFIG_ARCH_MT7623)
+    GDMA_WRITE_REG(RALINK_GDMA_GCT, 0x01);
+#else
+#error Please Choose System Type
+#endif
+
+    return 0;
+}
+
+static void __exit RalinkGdmaExit(void)
+{
+
+    printk("Disable Ralink GDMA Controller Module\n");
+#if defined (CONFIG_MIPS)
+    //Disable GDMA interrupt
+    GDMA_WRITE_REG(RALINK_REG_INTDIS, RALINK_INTCTL_DMA);
+#endif
+    free_irq(SURFBOARDINT_DMA, NULL);
+}
+
+module_init(RalinkGdmaInit);
+module_exit(RalinkGdmaExit);
+
+EXPORT_SYMBOL(GdmaI2sRx);
+EXPORT_SYMBOL(GdmaI2sTx);
+EXPORT_SYMBOL(GdmaPcmRx);
+EXPORT_SYMBOL(GdmaPcmTx);
+#if defined(CONFIG_RALINK_MT7620) || defined (CONFIG_RALINK_MT7621) || defined (CONFIG_RALINK_MT7628) || defined (CONFIG_ARCH_MT7623)
+EXPORT_SYMBOL(GdmaSpiRx);
+EXPORT_SYMBOL(GdmaSpiTx);
+#endif
+EXPORT_SYMBOL(GdmaMem2Mem);
+EXPORT_SYMBOL(GdmaReqQuickIns);
+EXPORT_SYMBOL(GdmaMaskChannel);
+EXPORT_SYMBOL(GdmaUnMaskChannel);
+
+
+MODULE_DESCRIPTION("Ralink SoC GDMA Controller API Module");
+MODULE_AUTHOR("Steven Liu <steven_liu@ralinktech.com.tw>");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(MOD_VERSION);
--- /dev/null
+++ b/sound/soc/mtk/ralink_gdma.h
@@ -0,0 +1,326 @@
+/*
+ ***************************************************************************
+ * Ralink Tech Inc.
+ * 5F., No.36, Taiyuan St., Jhubei City,
+ * Hsinchu County 302,
+ * Taiwan, R.O.C.
+ *
+ * (c) Copyright, Ralink Technology, Inc.
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *
+ ***************************************************************************
+ */
+
+#ifndef __RALINK_DMA_CTRL_H__
+#define __RALINK_DMA_CTRL_H__
+
+//#include <asm/rt2880/rt_mmap.h>
+
+/*
+ * DEFINITIONS AND MACROS
+ */
+#define MOD_VERSION 			"0.4"
+
+#if defined (CONFIG_RALINK_MT7621) || defined (CONFIG_ARCH_MT7623)
+#define MAX_GDMA_CHANNEL		16
+#elif defined (CONFIG_RALINK_RT3052)
+#define MAX_GDMA_CHANNEL		8
+#elif defined (CONFIG_RALINK_RT3883) || defined (CONFIG_RALINK_RT3352) || defined (CONFIG_RALINK_RT5350) || defined (CONFIG_RALINK_RT6855) || defined (CONFIG_RALINK_RT6855A) || defined (CONFIG_RALINK_MT7620) || defined (CONFIG_RALINK_MT7628)
+#define MAX_GDMA_CHANNEL		16
+#else
+#error Please Choose System Type
+#endif
+
+
+#define RALINK_GDMA_CTRL_BASE		(RALINK_GDMA_BASE)
+#if defined (CONFIG_RALINK_RT3052)
+#define RALINK_GDMAISTS			(RALINK_GDMA_BASE + 0x80)
+#define RALINK_GDMAGCT			(RALINK_GDMA_BASE + 0x88)
+#elif defined (CONFIG_RALINK_RT3883) || defined (CONFIG_RALINK_RT3352) || defined (CONFIG_RALINK_RT5350) || defined (CONFIG_RALINK_RT6855) || defined (CONFIG_RALINK_RT6855A) || defined (CONFIG_RALINK_MT7620)  ||  defined (CONFIG_RALINK_MT7621) || defined (CONFIG_RALINK_MT7628) || defined (CONFIG_ARCH_MT7623)
+#define RALINK_GDMA_UNMASKINT		(RALINK_GDMA_BASE + 0x200)
+#define RALINK_GDMA_DONEINT		(RALINK_GDMA_BASE + 0x204)
+#define RALINK_GDMA_GCT			(RALINK_GDMA_BASE + 0x220)
+#endif
+
+#define KSEG1                   0xa0000000
+#define PHYS_TO_VIRT(x)         ((void *)((x) | KSEG1))
+#define VIRT_TO_PHYS(x)         ((unsigned long)(x) & ~KSEG1)
+
+
+
+
+#if defined (CONFIG_ARCH_MT7623)
+#include <mach/sync_write.h>
+#define GDMA_READ_REG(phys)            (*(volatile unsigned int *)((phys)))
+#define GDMA_WRITE_REG(phys, val)      mt65xx_reg_sync_writel((val), (phys))
+
+#else
+#define GDMA_READ_REG(addr) 		(le32_to_cpu(*(volatile u32 *)(addr)))
+#define GDMA_WRITE_REG(addr, val)  	*((volatile uint32_t *)(addr)) = cpu_to_le32(val)
+
+
+
+#endif
+
+
+#define GET_GDMA_IP_VER			(GDMA_READ_REG(RALINK_GDMA_GCT) & 0x6) >> 1 //GDMA_GCT[2:1]
+
+#define RALINK_IRQ_ADDR                 RALINK_INTCL_BASE
+#if defined (CONFIG_RALINK_MT7621) || defined (CONFIG_ARCH_MT7628)
+#define RALINK_REG_INTENA               (RALINK_IRQ_ADDR + 0x80)
+#define RALINK_REG_INTDIS               (RALINK_IRQ_ADDR + 0x78)
+#else
+#define RALINK_REG_INTENA               (RALINK_IRQ_ADDR + 0x34)
+#define RALINK_REG_INTDIS               (RALINK_IRQ_ADDR + 0x38)
+#endif
+
+/* 
+ * 12bytes=GDMA Channel n Source Address(4) +
+ *         GDMA Channel n Destination Address(4) +
+ *         GDMA Channel n Control Register(4)
+ *
+ */
+#define GDMA_SRC_REG(ch)		(RALINK_GDMA_BASE + ch*16)
+#define GDMA_DST_REG(ch)		(GDMA_SRC_REG(ch) + 4)
+#define GDMA_CTRL_REG(ch)		(GDMA_DST_REG(ch) + 4)
+#define GDMA_CTRL_REG1(ch)		(GDMA_CTRL_REG(ch) + 4)
+
+//GDMA Interrupt Status Register
+#if defined (CONFIG_RALINK_RT3052)
+#define UNMASK_INT_STATUS(ch)           (ch+16)
+#elif defined (CONFIG_RALINK_RT3883) || defined (CONFIG_RALINK_RT3352) || defined (CONFIG_RALINK_RT5350) || defined (CONFIG_RALINK_RT6855) || defined (CONFIG_RALINK_RT6855A) || defined (CONFIG_RALINK_MT7620)  ||  defined (CONFIG_RALINK_MT7621) || defined (CONFIG_RALINK_MT7628) || defined (CONFIG_ARCH_MT7623)
+#define UNMASK_INT_STATUS(ch)           (ch)
+#endif
+#define TXDONE_INT_STATUS(ch)           (ch)
+
+//Control Reg0
+#define MODE_SEL_OFFSET			0
+#define CH_EBL_OFFSET			1
+#define CH_DONEINT_EBL_OFFSET		2
+#define BRST_SIZE_OFFSET		3
+#define DST_BRST_MODE_OFFSET		6
+#define SRC_BRST_MODE_OFFSET		7
+#define TRANS_CNT_OFFSET		16
+
+//Control Reg1
+#if defined (CONFIG_RALINK_RT3052)
+#define CH_UNMASKINT_EBL_OFFSET		4
+#define NEXT_UNMASK_CH_OFFSET		1
+#elif defined (CONFIG_RALINK_RT3883) || defined (CONFIG_RALINK_RT3352) || defined (CONFIG_RALINK_RT5350) || defined (CONFIG_RALINK_RT6855) || defined (CONFIG_RALINK_RT6855A) || defined (CONFIG_RALINK_MT7620)  ||  defined (CONFIG_RALINK_MT7621) || defined (CONFIG_RALINK_MT7628) || defined (CONFIG_ARCH_MT7623)
+#define CH_UNMASKINT_EBL_OFFSET		1
+#define NEXT_UNMASK_CH_OFFSET		3
+#endif
+#define COHERENT_INT_EBL_OFFSET		2
+#define CH_MASK_OFFSET			0
+
+
+#if defined (CONFIG_RALINK_RT3052)
+//Control Reg0
+#define DST_DMA_REQ_OFFSET		8
+#define SRC_DMA_REQ_OFFSET		12
+#elif defined (CONFIG_RALINK_RT3883) || defined (CONFIG_RALINK_RT3352) || defined (CONFIG_RALINK_RT5350) || defined (CONFIG_RALINK_RT6855) || defined (CONFIG_RALINK_RT6855A) || defined (CONFIG_RALINK_MT7620)  ||  defined (CONFIG_RALINK_MT7621) || defined (CONFIG_RALINK_MT7628) || defined (CONFIG_ARCH_MT7623)
+//Control Reg1
+#define DST_DMA_REQ_OFFSET		8
+#define SRC_DMA_REQ_OFFSET		16
+#endif
+
+#define GDMA_PCM0_RX0			0
+#define GDMA_PCM0_RX1			1
+#define GDMA_PCM0_TX0			2
+#define GDMA_PCM0_TX1			3
+
+#define GDMA_PCM1_RX0			4
+#define GDMA_PCM1_RX1			5
+#define GDMA_PCM1_TX0			6
+#define GDMA_PCM1_TX1			7
+
+#define GDMA_PCM_RX(i,j)		(0+((i)<<2)+j)
+#define GDMA_PCM_TX(i,j)        (2+((i)<<2)+j)
+
+#define GDMA_I2S_TX0			4
+#define GDMA_I2S_TX1			5
+#define GDMA_I2S_RX0			6
+#define GDMA_I2S_RX1			7
+
+#define GDMA_SPI_TX       13
+#define GDMA_SPI_RX       12
+
+
+//#define GDMA_DEBUG
+#ifdef GDMA_DEBUG
+#define GDMA_PRINT(fmt, args...) printk(KERN_INFO "GDMA: " fmt, ## args)
+#else
+#define GDMA_PRINT(fmt, args...) { }
+#endif
+
+/*
+ * TYPEDEFS AND STRUCTURES
+ */
+
+enum GdmaBusterMode {
+	INC_MODE=0,
+	FIX_MODE=1
+};
+
+enum GdmaBusterSize {
+	BUSTER_SIZE_4B=0, 	/* 1 transfer */
+	BUSTER_SIZE_8B=1, 	/* 2 transfer */
+	BUSTER_SIZE_16B=2,  	/* 4 transfer */
+	BUSTER_SIZE_32B=3,  	/* 8 transfer */
+	BUSTER_SIZE_64B=4  	/* 16 transfer */
+};
+
+enum GdmaDmaReqNum {
+#if defined (CONFIG_RALINK_RT3052)
+	DMA_REQ0=0,
+	DMA_NAND_REQ=1,
+	DMA_I2S_TX_REQ=2,
+	DMA_PCM_RX0_REQ=3,
+	DMA_PCM_RX1_REQ=4,
+	DMA_PCM_TX0_REQ=5,
+	DMA_PCM_TX1_REQ=6,
+	DMA_REG7=7,
+	DMA_MEM_REQ=8
+#elif defined (CONFIG_RALINK_RT3883) || defined (CONFIG_RALINK_RT3352) || defined (CONFIG_RALINK_RT5350) || defined (CONFIG_RALINK_RT6855) 
+	DMA_REQ0=0,
+	DMA_NAND_REQ=1,
+	DMA_I2S_TX_REQ=2,
+	DMA_I2S_RX_REQ=3,
+	DMA_PCM_RX0_REQ=4,
+	DMA_PCM_RX1_REQ=5,
+	DMA_PCM_TX0_REQ=6,
+	DMA_PCM_TX1_REQ=7,
+	DMA_CODEC0_REQ8=8,
+	DMA_CODEC1_REQ9=9,
+	DMA_REQ10=10,
+	DMA_REQ11=11,
+	DMA_REQ12=12,
+	DMA_REQ13=13,
+	DMA_REQ14=14,
+	DMA_REQ15=15,
+	
+	#if defined (CONFIG_RALINK_RT3883)
+		DMA_MEM_REQ=16
+	#elif defined (CONFIG_RALINK_RT3352) || defined (CONFIG_RALINK_RT5350) || defined (CONFIG_RALINK_RT6855) 
+		DMA_MEM_REQ=32
+	#endif
+	
+#elif defined(CONFIG_RALINK_MT7620) || defined (CONFIG_RALINK_MT7621) || defined (CONFIG_RALINK_MT7628) || defined (CONFIG_ARCH_MT7623)
+	DMA_REQ0=0,
+	DMA_NAND_REQ=1,
+	DMA_I2S_TX_REQ=2,
+	DMA_I2S_RX_REQ=3,
+	DMA_PCM_RX0_REQ=4,
+	DMA_PCM_RX1_REQ=5,
+	DMA_PCM_TX0_REQ=6,
+	DMA_PCM_TX1_REQ=7,
+	DMA_PCM_RX2_REQ=8,
+	DMA_PCM_RX3_REQ=9,
+	DMA_PCM_TX2_REQ=10,
+	DMA_PCM_TX3_REQ=11,
+	DMA_SPI_RX_REQ=12,
+	DMA_SPI_TX_REQ=13,	
+	DMA_MEM_REQ=32
+
+#elif defined (CONFIG_RALINK_RT6855A)
+	DMA_NAND_REQ=0,
+	DMA_I2S_TX_REQ=1,
+	DMA_I2S_RX_REQ=2,
+	DMA_REQ0=3,
+	DMA_PCM_RX0_REQ=4,
+	DMA_PCM_RX1_REQ=5,
+	DMA_PCM_TX0_REQ=6,
+	DMA_PCM_TX1_REQ=7,
+	DMA_CODEC0_REQ8=8,
+	DMA_CODEC1_REQ9=9,
+	DMA_REQ10=10,
+	DMA_REQ11=11,
+	DMA_REQ12=12,
+	DMA_REQ13=13,
+	DMA_REQ14=14,
+	DMA_REQ15=15,
+	DMA_MEM_REQ=32
+#else
+#error Please Choose System Type
+#endif
+};
+
+
+
+typedef struct {
+	uint32_t Src;
+	uint32_t Dst;
+	uint16_t TransCount;
+	uint8_t  SoftMode;
+	uint8_t  NextUnMaskCh;
+	uint8_t  ChMask;
+	uint8_t  CoherentIntEbl;
+	uint32_t  ChNum;
+	enum GdmaDmaReqNum SrcReqNum;
+	enum GdmaDmaReqNum DstReqNum;
+	enum GdmaBusterMode SrcBurstMode;
+	enum GdmaBusterMode DstBurstMode;
+	enum GdmaBusterSize BurstSize;
+	void (*DoneIntCallback)(uint32_t);
+	void (*UnMaskIntCallback)(uint32_t);
+} GdmaReqEntry;
+
+/*
+ * EXPORT FUNCTION
+ */
+int GdmaI2sTx(uint32_t Src, uint32_t Dst, uint8_t TxNo, uint16_t TransCount,
+		void (*DoneIntCallback)(uint32_t data), 
+		void (*UnMaskIntCallback)(uint32_t data));
+
+int GdmaI2sRx(uint32_t Src, uint32_t Dst, uint8_t RxNo, uint16_t TransCount,
+		void (*DoneIntCallback)(uint32_t data), 
+		void (*UnMaskIntCallback)(uint32_t data));
+
+int GdmaPcmRx(uint32_t Src, uint32_t Dst, uint8_t PcmNo, uint8_t RxNo, uint16_t TransCount,
+		void (*DoneIntCallback)(uint32_t data), 
+		void (*UnMaskIntCallback)(uint32_t data));
+
+int GdmaPcmTx(uint32_t Src, uint32_t Dst, uint8_t PcmNo, uint8_t TxNo, uint16_t TransCount,
+		void (*DoneIntCallback)(uint32_t data), 
+		void (*UnMaskIntCallback)(uint32_t data));
+		
+int GdmaSpiTx(uint32_t Src, uint32_t Dst, uint16_t TransCount,
+	void (*DoneIntCallback)(uint32_t data),
+	void (*UnMaskIntCallback)(uint32_t data));
+
+int GdmaSpiRx(uint32_t Src, uint32_t Dst, uint16_t TransCount,
+	void (*DoneIntCallback)(uint32_t data),
+	void (*UnMaskIntCallback)(uint32_t data));	
+
+
+int GdmaMem2Mem(uint32_t Src, uint32_t Dst, uint16_t TransCount, 
+		void (*DoneIntCallback)(uint32_t data)); 
+
+int GdmaMaskChannel(uint32_t ChNum);
+
+int GdmaUnMaskChannel(uint32_t ChNum);
+
+int GdmaReqQuickIns(uint32_t ChNum);
+
+
+#endif
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1851,7 +1851,8 @@ static int soc_probe(struct platform_dev
 	/* Bodge while we unpick instantiation */
 	card->dev = &pdev->dev;
 
-	return snd_soc_register_card(card);
+	snd_soc_register_card(card);
+	return 0;
 }
 
 static int soc_cleanup_card_resources(struct snd_soc_card *card)
--- /dev/null
+++ b/sound/soc/mtk/i2s_debug.c
@@ -0,0 +1,698 @@
+#include <linux/init.h>
+#include <linux/version.h>
+#include <linux/module.h>
+#include <linux/kernel.h> /* printk() */
+#include "i2s_ctrl.h"
+#include <linux/delay.h>
+#include <linux/jiffies.h>
+#include <linux/random.h>
+#include <linux/slab.h>
+#include <asm/uaccess.h> /* copy_from/to_user */
+
+#if defined(CONFIG_SND_RALINK_SOC)
+#include <sound/soc/mtk/mtk_audio_device.h>
+#endif
+
+#if defined(CONFIG_I2S_WM8750)
+#include "../codec/i2c_wm8750.h"
+#endif
+#if defined(CONFIG_I2S_WM8751)
+#include "../codec/i2c_wm8751.h"
+#endif
+#if defined(CONFIG_I2S_WM8960)
+#include "i2c_wm8960.h"
+#endif
+
+
+//#define INTERNAL_LOOPBACK_DEBUG
+
+extern unsigned long i2s_codec_12p288Mhz[11];
+extern unsigned long i2s_codec_12Mhz[11]; 
+#if defined(CONFIG_RALINK_MT7628) || defined(CONFIG_ARCH_MT7623)
+extern unsigned long i2s_inclk_int_16bit[13];
+extern unsigned long i2s_inclk_comp_16bit[13];
+extern unsigned long i2s_inclk_int_24bit[13];
+extern unsigned long i2s_inclk_comp_24bit[13];
+#else
+extern unsigned long i2s_inclk_int[11];
+extern unsigned long i2s_inclk_comp[11];
+#endif
+extern int i2s_pll_config_mt7621(unsigned long index);
+extern int i2s_pll_config_mt7623(unsigned long index);
+
+#if defined(CONFIG_I2S_WM8960) || defined(CONFIG_I2S_WM8750) || defined(CONFIG_I2S_WM8751)
+extern void audiohw_loopback(int fsel);
+extern void audiohw_bypass(void);
+extern int audiohw_set_lineout_vol(int Aout, int vol_l, int vol_r);
+extern int audiohw_set_linein_vol(int vol_l, int vol_r);
+#endif
+
+#if defined(CONFIG_I2S_WM8960)
+extern void audiohw_codec_exlbk(void);
+#endif
+
+unsigned long txbuffer[512] = {
+				0x01020304, 0x05060708, 0x090a0b0c, 0x0d0e0f10, 0x11121314, 0x15161718, 0x191a1b1c, 0x1d1e1f20,
+			       	0x21222324, 0x25262728, 0x292a2b2c, 0x2d2e2f30, 0x31323334, 0x35363738, 0x393a3b3c, 0x3d3e3f40,
+				0x41424344, 0x45464748, 0x494a4b4c, 0x4d4e4f50, 0x51525354, 0x55565758, 0x595a5b5c, 0x5d5e5f60,
+				0x61626364, 0x65666768, 0x696a6b6c, 0x6d6e6f70, 0x71727374, 0x75767778, 0x797a7b7c, 0x7d7e7f80,
+				0x81828384, 0x85868788, 0x898a8b8c, 0x8d8e8f90, 0x91929394, 0x95969798, 0x999a9b9c, 0x9d9e9fa0,
+				0xa1a2a3a4, 0xa5a6a7a8, 0xa9aaabac, 0xadaeafb0, 0xb1b2b3b4, 0xb5b6b7b8, 0xb9babbbc, 0xbdbebfc0,
+				0xc1c2c3c4, 0xc5c6c7c8, 0xc9cacbcc, 0xcdcecfd0, 0xd1d2d3d4, 0xd5d6d7d8, 0xd9dadbdc, 0xdddedfe0,
+				0xe1e2e3e4, 0xe5e6e7e8, 0xe9eaebec, 0xedeeeff0, 0xf1f2f3f4, 0xf5f6f7f8, 0xf9fafbfc, 0xfdfeff00, //round 1
+0x01020304, 0x05060708, 0x090a0b0c, 0x0d0e0f10, 0x11121314, 0x15161718, 0x191a1b1c, 0x1d1e1f20,
+			       	0x21222324, 0x25262728, 0x292a2b2c, 0x2d2e2f30, 0x31323334, 0x35363738, 0x393a3b3c, 0x3d3e3f40,
+				0x41424344, 0x45464748, 0x494a4b4c, 0x4d4e4f50, 0x51525354, 0x55565758, 0x595a5b5c, 0x5d5e5f60,
+				0x61626364, 0x65666768, 0x696a6b6c, 0x6d6e6f70, 0x71727374, 0x75767778, 0x797a7b7c, 0x7d7e7f80,
+				0x81828384, 0x85868788, 0x898a8b8c, 0x8d8e8f90, 0x91929394, 0x95969798, 0x999a9b9c, 0x9d9e9fa0,
+				0xa1a2a3a4, 0xa5a6a7a8, 0xa9aaabac, 0xadaeafb0, 0xb1b2b3b4, 0xb5b6b7b8, 0xb9babbbc, 0xbdbebfc0,
+				0xc1c2c3c4, 0xc5c6c7c8, 0xc9cacbcc, 0xcdcecfd0, 0xd1d2d3d4, 0xd5d6d7d8, 0xd9dadbdc, 0xdddedfe0,
+				0xe1e2e3e4, 0xe5e6e7e8, 0xe9eaebec, 0xedeeeff0, 0xf1f2f3f4, 0xf5f6f7f8, 0xf9fafbfc, 0xfdfeff00, //round 2
+0x01020304, 0x05060708, 0x090a0b0c, 0x0d0e0f10, 0x11121314, 0x15161718, 0x191a1b1c, 0x1d1e1f20,
+			       	0x21222324, 0x25262728, 0x292a2b2c, 0x2d2e2f30, 0x31323334, 0x35363738, 0x393a3b3c, 0x3d3e3f40,
+				0x41424344, 0x45464748, 0x494a4b4c, 0x4d4e4f50, 0x51525354, 0x55565758, 0x595a5b5c, 0x5d5e5f60,
+				0x61626364, 0x65666768, 0x696a6b6c, 0x6d6e6f70, 0x71727374, 0x75767778, 0x797a7b7c, 0x7d7e7f80,
+				0x81828384, 0x85868788, 0x898a8b8c, 0x8d8e8f90, 0x91929394, 0x95969798, 0x999a9b9c, 0x9d9e9fa0,
+				0xa1a2a3a4, 0xa5a6a7a8, 0xa9aaabac, 0xadaeafb0, 0xb1b2b3b4, 0xb5b6b7b8, 0xb9babbbc, 0xbdbebfc0,
+				0xc1c2c3c4, 0xc5c6c7c8, 0xc9cacbcc, 0xcdcecfd0, 0xd1d2d3d4, 0xd5d6d7d8, 0xd9dadbdc, 0xdddedfe0,
+				0xe1e2e3e4, 0xe5e6e7e8, 0xe9eaebec, 0xedeeeff0, 0xf1f2f3f4, 0xf5f6f7f8, 0xf9fafbfc, 0xfdfeff00, //round 3
+0x01020304, 0x05060708, 0x090a0b0c, 0x0d0e0f10, 0x11121314, 0x15161718, 0x191a1b1c, 0x1d1e1f20,
+			       	0x21222324, 0x25262728, 0x292a2b2c, 0x2d2e2f30, 0x31323334, 0x35363738, 0x393a3b3c, 0x3d3e3f40,
+				0x41424344, 0x45464748, 0x494a4b4c, 0x4d4e4f50, 0x51525354, 0x55565758, 0x595a5b5c, 0x5d5e5f60,
+				0x61626364, 0x65666768, 0x696a6b6c, 0x6d6e6f70, 0x71727374, 0x75767778, 0x797a7b7c, 0x7d7e7f80,
+				0x81828384, 0x85868788, 0x898a8b8c, 0x8d8e8f90, 0x91929394, 0x95969798, 0x999a9b9c, 0x9d9e9fa0,
+				0xa1a2a3a4, 0xa5a6a7a8, 0xa9aaabac, 0xadaeafb0, 0xb1b2b3b4, 0xb5b6b7b8, 0xb9babbbc, 0xbdbebfc0,
+				0xc1c2c3c4, 0xc5c6c7c8, 0xc9cacbcc, 0xcdcecfd0, 0xd1d2d3d4, 0xd5d6d7d8, 0xd9dadbdc, 0xdddedfe0,
+				0xe1e2e3e4, 0xe5e6e7e8, 0xe9eaebec, 0xedeeeff0, 0xf1f2f3f4, 0xf5f6f7f8, 0xf9fafbfc, 0xfdfeff00, //round 4
+0x01020304, 0x05060708, 0x090a0b0c, 0x0d0e0f10, 0x11121314, 0x15161718, 0x191a1b1c, 0x1d1e1f20,
+			       	0x21222324, 0x25262728, 0x292a2b2c, 0x2d2e2f30, 0x31323334, 0x35363738, 0x393a3b3c, 0x3d3e3f40,
+				0x41424344, 0x45464748, 0x494a4b4c, 0x4d4e4f50, 0x51525354, 0x55565758, 0x595a5b5c, 0x5d5e5f60,
+				0x61626364, 0x65666768, 0x696a6b6c, 0x6d6e6f70, 0x71727374, 0x75767778, 0x797a7b7c, 0x7d7e7f80,
+				0x81828384, 0x85868788, 0x898a8b8c, 0x8d8e8f90, 0x91929394, 0x95969798, 0x999a9b9c, 0x9d9e9fa0,
+				0xa1a2a3a4, 0xa5a6a7a8, 0xa9aaabac, 0xadaeafb0, 0xb1b2b3b4, 0xb5b6b7b8, 0xb9babbbc, 0xbdbebfc0,
+				0xc1c2c3c4, 0xc5c6c7c8, 0xc9cacbcc, 0xcdcecfd0, 0xd1d2d3d4, 0xd5d6d7d8, 0xd9dadbdc, 0xdddedfe0,
+				0xe1e2e3e4, 0xe5e6e7e8, 0xe9eaebec, 0xedeeeff0, 0xf1f2f3f4, 0xf5f6f7f8, 0xf9fafbfc, 0xfdfeff00, //round 5
+0x01020304, 0x05060708, 0x090a0b0c, 0x0d0e0f10, 0x11121314, 0x15161718, 0x191a1b1c, 0x1d1e1f20,
+			       	0x21222324, 0x25262728, 0x292a2b2c, 0x2d2e2f30, 0x31323334, 0x35363738, 0x393a3b3c, 0x3d3e3f40,
+				0x41424344, 0x45464748, 0x494a4b4c, 0x4d4e4f50, 0x51525354, 0x55565758, 0x595a5b5c, 0x5d5e5f60,
+				0x61626364, 0x65666768, 0x696a6b6c, 0x6d6e6f70, 0x71727374, 0x75767778, 0x797a7b7c, 0x7d7e7f80,
+				0x81828384, 0x85868788, 0x898a8b8c, 0x8d8e8f90, 0x91929394, 0x95969798, 0x999a9b9c, 0x9d9e9fa0,
+				0xa1a2a3a4, 0xa5a6a7a8, 0xa9aaabac, 0xadaeafb0, 0xb1b2b3b4, 0xb5b6b7b8, 0xb9babbbc, 0xbdbebfc0,
+				0xc1c2c3c4, 0xc5c6c7c8, 0xc9cacbcc, 0xcdcecfd0, 0xd1d2d3d4, 0xd5d6d7d8, 0xd9dadbdc, 0xdddedfe0,
+				0xe1e2e3e4, 0xe5e6e7e8, 0xe9eaebec, 0xedeeeff0, 0xf1f2f3f4, 0xf5f6f7f8, 0xf9fafbfc, 0xfdfeff00, //round 6
+0x01020304, 0x05060708, 0x090a0b0c, 0x0d0e0f10, 0x11121314, 0x15161718, 0x191a1b1c, 0x1d1e1f20,
+			       	0x21222324, 0x25262728, 0x292a2b2c, 0x2d2e2f30, 0x31323334, 0x35363738, 0x393a3b3c, 0x3d3e3f40,
+				0x41424344, 0x45464748, 0x494a4b4c, 0x4d4e4f50, 0x51525354, 0x55565758, 0x595a5b5c, 0x5d5e5f60,
+				0x61626364, 0x65666768, 0x696a6b6c, 0x6d6e6f70, 0x71727374, 0x75767778, 0x797a7b7c, 0x7d7e7f80,
+				0x81828384, 0x85868788, 0x898a8b8c, 0x8d8e8f90, 0x91929394, 0x95969798, 0x999a9b9c, 0x9d9e9fa0,
+				0xa1a2a3a4, 0xa5a6a7a8, 0xa9aaabac, 0xadaeafb0, 0xb1b2b3b4, 0xb5b6b7b8, 0xb9babbbc, 0xbdbebfc0,
+				0xc1c2c3c4, 0xc5c6c7c8, 0xc9cacbcc, 0xcdcecfd0, 0xd1d2d3d4, 0xd5d6d7d8, 0xd9dadbdc, 0xdddedfe0,
+				0xe1e2e3e4, 0xe5e6e7e8, 0xe9eaebec, 0xedeeeff0, 0xf1f2f3f4, 0xf5f6f7f8, 0xf9fafbfc, 0xfdfeff00, //round 7
+0x01020304, 0x05060708, 0x090a0b0c, 0x0d0e0f10, 0x11121314, 0x15161718, 0x191a1b1c, 0x1d1e1f20,
+			       	0x21222324, 0x25262728, 0x292a2b2c, 0x2d2e2f30, 0x31323334, 0x35363738, 0x393a3b3c, 0x3d3e3f40,
+				0x41424344, 0x45464748, 0x494a4b4c, 0x4d4e4f50, 0x51525354, 0x55565758, 0x595a5b5c, 0x5d5e5f60,
+				0x61626364, 0x65666768, 0x696a6b6c, 0x6d6e6f70, 0x71727374, 0x75767778, 0x797a7b7c, 0x7d7e7f80,
+				0x81828384, 0x85868788, 0x898a8b8c, 0x8d8e8f90, 0x91929394, 0x95969798, 0x999a9b9c, 0x9d9e9fa0,
+				0xa1a2a3a4, 0xa5a6a7a8, 0xa9aaabac, 0xadaeafb0, 0xb1b2b3b4, 0xb5b6b7b8, 0xb9babbbc, 0xbdbebfc0,
+				0xc1c2c3c4, 0xc5c6c7c8, 0xc9cacbcc, 0xcdcecfd0, 0xd1d2d3d4, 0xd5d6d7d8, 0xd9dadbdc, 0xdddedfe0,
+				0xe1e2e3e4, 0xe5e6e7e8, 0xe9eaebec, 0xedeeeff0, 0xf1f2f3f4, 0xf5f6f7f8, 0xf9fafbfc, 0xfdfeff00  //round 8
+				};
+
+int i2s_debug_cmd(unsigned int cmd, unsigned long arg)
+{
+	unsigned long data, index;
+	unsigned long *pTable;
+	int i;
+
+	switch(cmd)
+	{
+		case I2S_DEBUG_CLKGEN:
+			MSG("I2S_DEBUG_CLKGEN\n");
+#if defined(CONFIG_RALINK_RT3052)
+			*(volatile unsigned long*)(0xB0000060) = 0x00000016;
+			*(volatile unsigned long*)(0xB0000030) = 0x00009E00;
+			*(volatile unsigned long*)(0xB0000A00) = 0xC0000040;
+#elif defined(CONFIG_RALINK_RT3350)		
+			*(volatile unsigned long*)(0xB0000060) = 0x00000018;
+			*(volatile unsigned long*)(0xB000002C) = 0x00000100;
+			*(volatile unsigned long*)(0xB0000030) = 0x00009E00;
+			*(volatile unsigned long*)(0xB0000A00) = 0xC0000040;			
+#elif defined(CONFIG_RALINK_RT3883)	
+			*(volatile unsigned long*)(0xB0000060) = 0x00000018;
+			*(volatile unsigned long*)(0xB000002C) = 0x00003000;
+			*(volatile unsigned long*)(0xB0000A00) = 0xC1104040;
+			*(volatile unsigned long*)(0xB0000A24) = 0x00000027;
+			*(volatile unsigned long*)(0xB0000A20) = 0x80000020;
+#elif (defined(CONFIG_RALINK_RT3352)||defined(CONFIG_RALINK_RT5350)) || defined (CONFIG_RALINK_RT6855)
+			*(volatile unsigned long*)(0xB0000060) = 0x00000018;
+			*(volatile unsigned long*)(0xB000002C) = 0x00000300;
+			*(volatile unsigned long*)(0xB0000A00) = 0xC1104040;
+			*(volatile unsigned long*)(0xB0000A24) = 0x00000027;
+			*(volatile unsigned long*)(0xB0000A20) = 0x80000020;			
+#elif defined(CONFIG_RALINK_RT6855A)
+			*(volatile unsigned long*)(RALINK_SYSCTL_BASE+0x860) = 0x00008080;
+			*(volatile unsigned long*)(RALINK_SYSCTL_BASE+0x82C) = 0x00000300;
+			*(volatile unsigned long*)(RALINK_I2S_BASE+0x00) = 0xC1104040;
+			*(volatile unsigned long*)(RALINK_I2S_BASE+0x24) = 0x00000027;
+			*(volatile unsigned long*)(RALINK_I2S_BASE+0x20) = 0x80000020;	
+#else
+//#error "I2S debug mode not support this Chip"			
+#endif			
+			break;
+		case I2S_DEBUG_INLBK:
+			MSG("I2S_DEBUG_INLBK\n");
+#if defined(CONFIG_RALINK_MT7621)
+                        switch(96000)
+                        {
+                                case 8000:
+                                        index = 0;
+                                        break;
+                                case 11025:
+                                        index = 1;
+                                        break;
+                                case 12000:
+                                        index = 2;
+                                        break;
+                                case 16000:
+                                        index = 3;
+                                        break;
+                                case 22050:
+                                        index = 4;
+                                        break;
+                                case 24000:
+                                        index = 5;
+                                        break;
+                                case 32000:
+                                        index = 6;
+                                        break;
+                                case 44100:
+                                        index = 7;
+                                        break;
+                                case 48000:
+                                        index = 8;
+                                        break;
+                                case 88200:
+                                        index = 9;
+                                        break;
+                                case 96000:
+                                        index = 10;
+                                        break;
+				case 192000:
+                                        index = 11;
+                                        break;
+                                default:
+                                        index = 7;
+                        }
+                        i2s_pll_config_mt7621(index);
+#elif defined(CONFIG_ARCH_MT7623)
+			i2s_pll_config_mt7623(11);
+#endif
+
+
+#if defined(CONFIG_RALINK_RT3052)
+			break;
+#endif
+#if defined(CONFIG_RALINK_RT6855A)
+			*(volatile unsigned long*)(RALINK_SYSCTL_BASE+0x834) |= 0x00020000;
+			*(volatile unsigned long*)(RALINK_SYSCTL_BASE+0x834) &= 0xFFFDFFFF;	
+			*(volatile unsigned long*)(RALINK_I2S_BASE+0x0) &= 0x7FFFFFFF;	//Rest I2S to default vaule	
+			*(volatile unsigned long*)(RALINK_SYSCTL_BASE+0x860) |= 0x00008080;
+			*(volatile unsigned long*)(RALINK_SYSCTL_BASE+0x82C) = 0x00000300;
+#elif defined(CONFIG_RALINK_MT7621)
+                        *(volatile unsigned long*)(RALINK_SYSCTL_BASE+0x34) |= 0x00020000;
+                        *(volatile unsigned long*)(RALINK_SYSCTL_BASE+0x34) &= 0xFFFDFFFF;
+                        *(volatile unsigned long*)(RALINK_I2S_BASE+0x0) &= 0x7FFFFFFF;   //Rest I2S to default vaule
+                        *(volatile unsigned long*)(RALINK_SYSCTL_BASE+0x60) = 0x00000010;     //GPIO purpose selection
+#elif defined(CONFIG_RALINK_MT7628)
+                        *(volatile unsigned long*)(RALINK_SYSCTL_BASE+0x34) |= 0x00020000;
+                        *(volatile unsigned long*)(RALINK_SYSCTL_BASE+0x34) &= 0xFFFDFFFF;
+                        *(volatile unsigned long*)(RALINK_I2S_BASE+0x0) &= 0x7FFFFFFF;   //Rest I2S to default vaule
+                        *(volatile unsigned long*)(RALINK_SYSCTL_BASE+0x60) &= ~((0x3)<<6);     //GPIO purpose selection /*FIXME*/
+#elif defined(CONFIG_ARCH_MT7623)
+			*(volatile unsigned long*)(0xFB000034) |= 0x00020000;
+			*(volatile unsigned long*)(0xFB000034) &= 0xFFFDFFFF;
+			*(volatile unsigned long*)(ETHDMASYS_I2S_BASE+0x0) &= 0x7FFFFFFF;   //Rest I2S to default vaule
+			
+			*(volatile unsigned long*)(0xF0005840) &= ~((0x7)<<12);
+			*(volatile unsigned long*)(0xF0005840) |= ((0x6)<<12);
+			*(volatile unsigned long*)(0xF0005840) &= ~((0x7)<<9);
+			*(volatile unsigned long*)(0xF0005840) |= ((0x6)<<9);
+			*(volatile unsigned long*)(0xF0005040) |= ((0x1)<<10);
+			*(volatile unsigned long*)(0xF0005040) |= ((0x1)<<9);
+
+			*(volatile unsigned long*)(0xF00057F0) &= ~((0x7)<<12);
+			*(volatile unsigned long*)(0xF00057F0) |= ((0x6)<<12);
+			*(volatile unsigned long*)(0xF0005030) |= ((0x1)<<1);
+
+			*(volatile unsigned long*)(0xF0005840) &= ~((0x7)<<6);
+			*(volatile unsigned long*)(0xF0005840) |= ((0x6)<<6);
+			*(volatile unsigned long*)(0xF0005040) &= ~((0x1)<<8);
+
+			*(volatile unsigned long*)(0xF00058F0) &= ~((0x7)<<3);
+			*(volatile unsigned long*)(0xF00058F0) |= ((0x6)<<3);
+			*(volatile unsigned long*)(0xF0005070) |= ((0x1)<<14);
+
+
+#else	
+			*(volatile unsigned long*)(0xB0000034) |= 0x00020000;
+			*(volatile unsigned long*)(0xB0000034) &= 0xFFFDFFFF;	
+			*(volatile unsigned long*)(0xB0000A00) &= 0x7FFFFFFF;	//Rest I2S to default vaule
+			*(volatile unsigned long*)(0xB0000060) = 0x00000018;
+
+#if defined(CONFIG_RALINK_RT3883)			
+			*(volatile unsigned long*)(0xB000002C) = 0x00003000;
+#elif defined(CONFIG_ARCH_MT7623)
+
+#else
+			*(volatile unsigned long*)(0xB000002C) = 0x00000300;
+#endif
+#endif			
+#if defined(CONFIG_RALINK_MT7621)
+                        *(volatile unsigned long*)(RALINK_I2S_BASE+0x18) = 0x80000000;
+                        *(volatile unsigned long*)(RALINK_I2S_BASE+0x00) = 0xc1104040;
+
+                        pTable = i2s_inclk_int;
+                        data = pTable[index];
+                        //*(volatile unsigned long*)(RALINK_I2S_BASE+0x24) = data;
+                        i2s_outw(RALINK_I2S_BASE+0x24, data);
+
+                        pTable = i2s_inclk_comp;
+                        data = pTable[index];
+                        //*(volatile unsigned long*)(RALINK_I2S_BASE+0x20) = data;
+                        i2s_outw(RALINK_I2S_BASE+0x20, (data|0x80000000));
+#elif defined(CONFIG_RALINK_MT7628)
+			index =11;  /* SR: 192k */
+			*(volatile unsigned long*)(RALINK_I2S_BASE+0x18) = 0x80000000;
+                        *(volatile unsigned long*)(RALINK_I2S_BASE+0x00) = 0xc1104040;
+
+                        pTable = i2s_inclk_int_16bit;
+			//pTable = i2s_inclk_int_24bit;
+                        data = pTable[index];
+                        //*(volatile unsigned long*)(RALINK_I2S_BASE+0x24) = data;
+                        i2s_outw(RALINK_I2S_BASE+0x24, data);
+
+                        pTable = i2s_inclk_comp_16bit;
+			//pTable = i2s_inclk_comp_24bit;
+                        data = pTable[index];
+                        //*(volatile unsigned long*)(RALINK_I2S_BASE+0x20) = data;
+                        i2s_outw(RALINK_I2S_BASE+0x20, (data|0x80000000));
+			mdelay(5);
+#elif defined(CONFIG_ARCH_MT7623)
+			index = 11;
+			*(volatile unsigned long*)(I2S_I2SCFG1) = 0x80000000;
+			*(volatile unsigned long*)(I2S_I2SCFG) = 0xE1104040;
+			*(volatile unsigned long*)(ETHDMASYS_SYSCTL_BASE+0x30) |= 0x00020000;
+			*(volatile unsigned long*)(ETHDMASYS_SYSCTL_BASE+0x2c) |= 0x00000080;
+
+			pTable = i2s_inclk_int_16bit;
+			//pTable = i2s_inclk_int_24bit;
+                        data = pTable[index];
+                        i2s_outw(I2S_DIVINT_CFG, data);
+
+                        pTable = i2s_inclk_comp_16bit;
+			//pTable = i2s_inclk_comp_24bit;
+                        data = pTable[index];
+                        i2s_outw(I2S_DIVCOMP_CFG, (data|0x80000000));
+			mdelay(5);
+#else
+			*(volatile unsigned long*)(RALINK_I2S_BASE+0x18) = 0x80000000;
+			*(volatile unsigned long*)(RALINK_I2S_BASE+0x00) = 0xC1104040;
+			*(volatile unsigned long*)(RALINK_I2S_BASE+0x24) = 0x00000006;
+			*(volatile unsigned long*)(RALINK_I2S_BASE+0x20) = 0x80000105;
+#endif
+			{
+				int count = 0;
+				int k=0;
+				int enable_cnt=0;
+				unsigned long param[4];
+				unsigned long data;
+				//unsigned long data_tmp;
+				unsigned long ff_status;
+			  	//unsigned long* txbuffer;
+#if 0
+				int j=0;
+				int temp = 0;
+#endif
+#if defined (INTERNAL_LOOPBACK_DEBUG)
+				int count2 = 0;
+#endif
+				memset(param, 0, 4*sizeof(unsigned long) );	
+				copy_from_user(param, (unsigned long*)arg, sizeof(long)*2);
+#if 0
+				txbuffer = (unsigned long*)kcalloc(param[0], sizeof(unsigned long), GFP_KERNEL);
+				if(txbuffer == NULL)
+					return -1;
+#endif
+
+				//ff_status = *(volatile unsigned long*)(RALINK_I2S_BASE+0x0C);
+				ff_status = *(volatile unsigned long*)(I2S_FF_STATUS);
+				printk("ff status=[0x%08X]\n",(u32)ff_status);
+
+#if 0
+				for(i = 0; i < param[0]; i++)
+				{
+					if (i==0)
+					{
+						txbuffer[i] = 0x555A555A;
+						printk("%d: 0x%8lx\n", i, txbuffer[i]);
+					}
+					else 
+					{
+						#if LINUX_VERSION_CODE < KERNEL_VERSION(3,10,14)
+						srandom32(jiffies);
+						txbuffer[i] = random32()%(0x555A555A)+1;
+						//printk("%d: 0x%8x\n", i, txbuffer[i]);
+						#else
+						//TODO:do we need to implement random32()
+						txbuffer[i] = 0x01010101;					
+						#endif
+					}
+				}
+#endif
+	
+				for( i = 0 ; i < param[0] ; i ++ )
+				{
+					ff_status = *(volatile unsigned long*)(I2S_FF_STATUS);
+				#if defined(CONFIG_RALINK_MT7628) || defined(CONFIG_ARCH_MT7623)	
+					if((ff_status&0xFF) > 0)
+				#else
+					if((ff_status&0x0F) > 0)
+				#endif
+					{
+						*(volatile unsigned long*)(I2S_TX_FIFO_WREG) = txbuffer[i];
+						mdelay(1);
+					}
+					else
+					{
+						mdelay(1);
+						printk("[%d]NO TX FREE FIFO ST=[0x%08X]\n", i, (u32)ff_status);
+						continue;	
+					}
+
+					//if(i >= 16)
+					{
+
+						ff_status = *(volatile unsigned long*)(I2S_FF_STATUS);
+					#if defined(CONFIG_RALINK_MT7628)
+						if(((ff_status>>8)&0xFF) > 0)
+					#else
+						if(((ff_status>>4)&0x0F) > 0)
+					#endif
+						{
+							data = *(volatile unsigned long*)(I2S_RX_FIFO_RREG);
+							//data_tmp = *(volatile unsigned long*)(I2S_RX_FIFO_RREG);
+							//MSG("[0x%08X] vs [0x%08X]\n", (u32)data, (u32)data_tmp);
+						}
+						else
+						{
+							printk("*[%d]NO RX FREE FIFO ST=[0x%08X]\n", i, (u32)ff_status);
+							continue;
+						}
+						
+						if (data == txbuffer[0])
+						{
+							k = i;
+							enable_cnt = 1;
+						}
+						if (enable_cnt==1)
+						{
+							if(data!= txbuffer[i-k])
+							{
+								MSG("[%d][0x%08X] vs [0x%08X]\n", (i-k), (u32)data, (u32)txbuffer[i-k]);
+							}
+							else
+							{
+								//MSG("**[%d][0x%08X] vs [0x%08X]\n" ,(i-k), (u32)data , (u32)txbuffer[i-k]);
+								count++;
+								data=0;
+							}
+						}
+
+					}	
+				}
+#if 0	
+				temp = i-k;
+				for (j=0; j<k; j++)
+				{
+
+					//ff_status = *(volatile unsigned long*)(RALINK_I2S_BASE+0x0C);
+					ff_status = *(volatile unsigned long*)(I2S_FF_STATUS);
+				#if defined(CONFIG_RALINK_MT7628) || defined(CONFIG_ARCH_MT7623)
+					if(((ff_status>>8)&0xFF) > 0)
+				#else
+					if(((ff_status>>4)&0x0F) > 0)
+				#endif
+					{
+						//data = *(volatile unsigned long*)(RALINK_I2S_BASE+0x14);
+						data = *(volatile unsigned long*)(I2S_RX_FIFO_RREG);
+					}
+					else
+					{
+						printk("*NO RX FREE FIFO ST=[0x%08X]\n", (u32)ff_status);
+						continue;
+					}
+
+					if(data!= txbuffer[temp+j])
+					{
+						MSG("[%d][0x%08X] vs [0x%08X]\n", (temp+j), (u32)data, (u32)txbuffer[temp+j]);
+					}
+					else
+					{
+						//MSG("&&[%d][0x%08X] vs [0x%08X]\n" ,(temp+j), (u32)data , (u32)txbuffer[temp+j]);
+						count++;
+						data=0;
+					}
+					if ((temp+j)==128)
+					{
+						//ff_status = *(volatile unsigned long*)(RALINK_I2S_BASE+0x0C);
+						ff_status = *(volatile unsigned long*)(I2S_FF_STATUS);
+						//printk("[%d]FIFO ST=[0x%08X]\n", (temp+j), (u32)ff_status);
+					}
+				}
+#endif
+
+#if defined (INTERNAL_LOOPBACK_DEBUG)
+				for( i = 0 ; i < param[0] ; i ++ )
+				{
+					//ff_status = *(volatile unsigned long*)(RALINK_I2S_BASE+0x0C);
+					ff_status = *(volatile unsigned long*)(I2S_FF_STATUS);
+				#if defined(CONFIG_RALINK_MT7628)|| defined(CONFIG_ARCH_MT7623)
+					if((ff_status&0xFF) > 0)
+				#else
+					if((ff_status&0x0F) > 0)
+				#endif
+					{
+						//*(volatile unsigned long*)(RALINK_I2S_BASE+0x10) = txbuffer[i];
+						*(volatile unsigned long*)(I2S_TX_FIFO_WREG) = txbuffer[i];
+						mdelay(1);
+					}
+					else
+					{
+						mdelay(1);
+						printk("[%d]NO TX FREE FIFO ST=[0x%08X]\n", i, (u32)ff_status);
+						continue;	
+					}
+
+					//if(i >= 16)
+					{
+
+						//ff_status = *(volatile unsigned long*)(RALINK_I2S_BASE+0x0C);
+						ff_status = *(volatile unsigned long*)(I2S_FF_STATUS);
+					#if defined(CONFIG_RALINK_MT7628)|| defined(CONFIG_ARCH_MT7623)
+						if(((ff_status>>8)&0xFF) > 0)
+					#else
+						if(((ff_status>>4)&0x0F) > 0)
+					#endif
+						{
+							//data = *(volatile unsigned long*)(RALINK_I2S_BASE+0x14);
+							data = *(volatile unsigned long*)(I2S_RX_FIFO_RREG);
+						}
+						else
+						{
+							printk("*[%d]NO RX FREE FIFO ST=[0x%08X]\n", i, (u32)ff_status);
+							continue;
+						}
+						
+						{
+							if(data!= txbuffer[i])
+							{
+								MSG("[%d][0x%08X] vs [0x%08X]\n", (i), (u32)data, (u32)txbuffer[i]);
+							}
+							else
+							{
+								MSG("**[%d][0x%08X] vs [0x%08X]\n" ,(i), (u32)data , (u32)txbuffer[i]);
+								count2++;
+								data=0;
+							}
+						}
+
+					}	
+				}
+				printk("Pattern match done count2=%d.\n", count2);
+#endif
+				printk("Pattern match done count=%d.\n", count);
+
+			}	
+#if defined(CONFIG_ARCH_MT7623)
+			*(volatile unsigned long*)(0xFB000034) |= 0x00020000;
+			*(volatile unsigned long*)(0xFB000034) &= 0xFFFDFFFF;
+			*(volatile unsigned long*)(ETHDMASYS_I2S_BASE+0x0) &= 0x7FFFFFFF;   //Rest I2S to default vaule
+#endif	
+
+#if !defined(CONFIG_RALINK_RT3052)
+			break;
+#endif
+		case I2S_DEBUG_EXLBK:
+			MSG("I2S_DEBUG_EXLBK\n");
+#if !defined(CONFIG_ARCH_MT7623)
+			switch(arg)
+			{
+				case 8000:
+					index = 0;
+					break;
+				case 11025:
+					index = 1;
+					break;
+				case 12000:
+					index = 2;
+					break;			
+				case 16000:
+					index = 3;
+					break;
+				case 22050:
+					index = 4;
+					break;
+				case 24000:
+					index = 5;
+					break;	
+				case 32000:
+					index = 6;
+					break;			
+				case 44100:
+					index = 7;
+					break;
+				case 48000:
+					index = 8;
+					break;
+				case 88200:
+					index = 9;
+					break;	
+				case 96000:
+					index = 10;
+					break;
+				default:
+					index = 7;
+			}
+#if defined(CONFIG_RALINK_RT3052)
+			break;
+#endif			
+#if defined(CONFIG_RALINK_RT6855A)
+			*(volatile unsigned long*)(RALINK_SYSCTL_BASE+0x860) = 0x00008080;
+			//*(volatile unsigned long*)(RALINK_SYSCTL_BASE+0x82C) = 0x00000300;
+#else			
+			*(volatile unsigned long*)(RALINK_SYSCTL_BASE+0x60) = 0x00000018;
+#if defined(CONFIG_RALINK_RT3883)
+			*(volatile unsigned long*)(RALINK_SYSCTL_BASE+0x2C) = 0x00003000;			
+#else
+			*(volatile unsigned long*)(RALINK_SYSCTL_BASE+0x2C) = 0x00000300;
+#endif
+#endif
+	
+			*(volatile unsigned long*)(RALINK_I2S_BASE+0x18) = 0x40000000;
+			*(volatile unsigned long*)(RALINK_I2S_BASE+0x00) = 0x81104040;
+#if defined(CONFIG_RALINK_MT7628)
+			pTable = i2s_inclk_int_16bit;
+#else
+			pTable = i2s_inclk_int;
+#endif
+			data = (volatile unsigned long)(pTable[index]);
+			i2s_outw(I2S_DIVINT_CFG, data);
+#if defined(CONFIG_RALINK_MT7628)
+			pTable = i2s_inclk_comp_16bit;
+#else
+			pTable = i2s_inclk_comp;
+#endif
+			data = (volatile unsigned long)(pTable[index]);
+			data |= REGBIT(1, I2S_CLKDIV_EN);
+			i2s_outw(I2S_DIVCOMP_CFG, data);
+
+		#if defined(CONFIG_I2S_MCLK_12MHZ)
+			pTable = i2s_codec_12Mhz;
+			#if defined(CONFIG_I2S_WM8960)
+				data = pTable[index];
+			#else
+				data = pTable[index]|0x01;
+			#endif
+		#else
+			pTable = i2s_codec_12p288Mhz;
+			data = pTable[index];
+		#endif
+
+		#if defined(CONFIG_I2S_WM8960) || defined(CONFIG_I2S_WM8750) || defined(CONFIG_I2S_WM8751)
+			audiohw_preinit();
+		#endif
+
+
+		#if defined (CONFIG_I2S_WM8960)
+			audiohw_postinit(1, 1, 1, 1, 0); // for codec apll enable, 16 bit word length 
+		#elif defined(CONFIG_I2S_WM8750) || defined(CONFIG_I2S_WM8751)
+    			audiohw_postinit(1, 1, 1, 0); // for 16 bit word length 
+		#endif
+
+
+		#if defined (CONFIG_I2S_WM8960)
+			audiohw_set_frequency(data, 1);	// for codec apll enable
+		#elif defined(CONFIG_I2S_WM8750) || defined(CONFIG_I2S_WM8751)
+            		audiohw_set_frequency(data|0x1);
+		#endif
+
+
+		#if defined(CONFIG_I2S_WM8960) || defined(CONFIG_I2S_WM8750) || defined(CONFIG_I2S_WM8751)
+			audiohw_set_lineout_vol(1, 100, 100);
+			audiohw_set_linein_vol(100, 100);
+		#endif
+		
+
+		#if defined(CONFIG_I2S_TXRX)			
+			//audiohw_loopback(data);
+		#endif
+		#if !defined(CONFIG_RALINK_RT3052)
+			break;
+		#endif
+#endif
+		case I2S_DEBUG_CODECBYPASS:			
+		#if defined(CONFIG_I2S_TXRX)
+		#if defined(CONFIG_RALINK_MT7628)	
+			data = i2s_inw(RALINK_SYSCTL_BASE+0x60); 
+			//data &= ~(0x3<<4);
+			data &= ~(0x3<<6);
+			data &= ~(0x3<<16);
+			data &= ~(0x1<<14);
+			i2s_outw(RALINK_SYSCTL_BASE+0x60, data);
+
+			data = i2s_inw(RALINK_SYSCTL_BASE+0x2c);
+			data &= ~(0x07<<9);
+			i2s_outw(RALINK_SYSCTL_BASE+0x2c, data);
+		#endif
+		
+		#if defined(CONFIG_I2S_WM8960) || defined(CONFIG_I2S_WM8750) || defined(CONFIG_I2S_WM8751)
+			audiohw_bypass();	/* did not work */
+		#endif
+		#endif
+			break;	
+		case I2S_DEBUG_FMT:
+			break;
+		case I2S_DEBUG_RESET:
+			break;
+#if defined(CONFIG_I2S_WM8960)
+		case I2S_DEBUG_CODEC_EXLBK:
+			audiohw_codec_exlbk();
+			break;
+#endif	
+		default:
+			MSG("Not support this debug cmd [%d]\n", cmd);	
+			break;				
+	}
+	
+	return 0;	
+}
--- a/sound/soc/codecs/wm8960.c
+++ b/sound/soc/codecs/wm8960.c
@@ -53,10 +53,10 @@
  * using 2 wire for device control, so we cache them instead.
  */
 static const struct reg_default wm8960_reg_defaults[] = {
-	{  0x0, 0x00a7 },
-	{  0x1, 0x00a7 },
-	{  0x2, 0x0000 },
-	{  0x3, 0x0000 },
+	{  0x0, 0x002b },
+	{  0x1, 0x002b },
+	{  0x2, 0x00ff },
+	{  0x3, 0x00ff },
 	{  0x4, 0x0000 },
 	{  0x5, 0x0008 },
 	{  0x6, 0x0000 },
@@ -88,8 +88,8 @@ static const struct reg_default wm8960_r
 	{ 0x25, 0x0050 },
 	{ 0x26, 0x0000 },
 	{ 0x27, 0x0000 },
-	{ 0x28, 0x0000 },
-	{ 0x29, 0x0000 },
+	{ 0x28, 0x007b },
+	{ 0x29, 0x007b },
 	{ 0x2a, 0x0040 },
 	{ 0x2b, 0x0000 },
 	{ 0x2c, 0x0000 },
@@ -126,8 +126,7 @@ struct wm8960_priv {
 	bool deemph;
 	int playback_fs;
 };
-
-#define wm8960_reset(c)	snd_soc_write(c, WM8960_RESET, 0)
+static char init_mtk;
 
 /* enumerated controls */
 static const char *wm8960_polarity[] = {"No Inversion", "Left Inverted",
@@ -181,8 +180,8 @@ static int wm8960_get_deemph(struct snd_
 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
 
-	ucontrol->value.integer.value[0] = wm8960->deemph;
-	return 0;
+	//ucontrol->value.integer.value[0] = wm8960->deemph;
+	return wm8960->deemph;
 }
 
 static int wm8960_put_deemph(struct snd_kcontrol *kcontrol,
@@ -200,6 +199,65 @@ static int wm8960_put_deemph(struct snd_
 	return wm8960_set_deemph(codec);
 }
 
+static void wm8960_reset(struct snd_soc_codec *codec)
+{
+	snd_soc_write(codec, WM8960_RESET, 0);
+	init_mtk = false;
+}
+
+static int wm8960_init(struct snd_soc_codec *codec)
+{
+	u32 data;
+	// In
+	data = snd_soc_read(codec, WM8960_POWER1);
+	snd_soc_write(codec, WM8960_POWER1, data|WM8960_PWR1_ADCL|WM8960_PWR1_ADCR|WM8960_PWR1_AINL |WM8960_PWR1_AINR|WM8960_PWR1_MICB|WM8960_PWR1_VMIDSEL_5K|WM8960_PWR1_VREF);//0x19
+	data = snd_soc_read(codec, WM8960_ADDCTL1);
+	snd_soc_write(codec, WM8960_ADDCTL1, data|ADDITIONAL1_DATSEL(0x01));//0x17
+	snd_soc_write(codec, WM8960_LADC, LEFTGAIN_LDVU|LEFTGAIN_LDACVOL(0xce));//0x15
+	snd_soc_write(codec, WM8960_RADC, LEFTGAIN_LDVU|LEFTGAIN_LDACVOL(0xce));//0x16
+	snd_soc_write(codec, WM8960_LINPATH, 0x168);//0x20
+	snd_soc_write(codec, WM8960_RINPATH, 0x168);//0x21
+	snd_soc_write(codec, WM8960_POWER3, WM8960_PWR3_LMIC|WM8960_PWR3_RMIC|WM8960_PWR3_ROMIX|WM8960_PWR3_LOMIX);//0x2f
+
+	// Out
+	data = snd_soc_read(codec, WM8960_POWER2);
+	snd_soc_write(codec, WM8960_POWER2, data|WM8960_PWR2_DACL|WM8960_PWR2_DACR|WM8960_PWR2_LOUT1|WM8960_PWR2_ROUT1|WM8960_PWR2_SPKL|WM8960_PWR2_SPKR);//0x1a
+	mdelay(10);
+	snd_soc_write(codec, WM8960_IFACE2, 0x40);
+	snd_soc_write(codec, WM8960_LDAC, LEFTGAIN_LDVU|LEFTGAIN_LDACVOL(0xff));//0x0a
+	snd_soc_write(codec, WM8960_RDAC, RIGHTGAIN_RDVU|RIGHTGAIN_RDACVOL(0xff));//0x0b
+	snd_soc_write(codec, WM8960_LOUTMIX, 0x100);//0x22
+	snd_soc_write(codec, WM8960_ROUTMIX, 0x100);//0x25
+
+	snd_soc_write(codec, WM8960_CLASSD1, 0xf7);//0x31
+	snd_soc_write(codec, WM8960_CLASSD3, 0xad);//0x33
+	snd_soc_write(codec, WM8960_DACCTL1,  0x000);//0x05
+
+	snd_soc_write(codec, WM8960_LOUT1, LOUT1_LO1VU|LOUT1_LO1ZC|LOUT1_LOUT1VOL(120));//0x02
+	snd_soc_write(codec, WM8960_ROUT1, ROUT1_RO1VU|ROUT1_RO1ZC|ROUT1_ROUT1VOL(120));//0x03
+	
+	data = snd_soc_read(codec, WM8960_LINVOL);
+	data &= ~LINV_LINMUTE;
+	snd_soc_write(codec, WM8960_LINVOL, data|LINV_IPVU|LINV_LINVOL(96));//LINV(0x00)
+	
+	data = snd_soc_read(codec, WM8960_RINVOL);
+	data &= ~RINV_RINMUTE;
+	snd_soc_write(codec, WM8960_RINVOL, data|RINV_IPVU|RINV_RINVOL(96)); //LINV(0x01)
+
+	init_mtk = true;
+	return 0;
+}
+
+static int wm8960_close(struct snd_soc_codec *codec)
+{
+	snd_soc_write(codec, WM8960_DACCTL1,0x8); //0x05->0x08
+	snd_soc_write(codec, WM8960_POWER1, 0x000); //0x19->0x000
+	mdelay(300);
+	snd_soc_write(codec, WM8960_POWER2, 0x000); //0x1a->0x000
+
+	return 0;
+}
+
 static const DECLARE_TLV_DB_SCALE(adc_tlv, -9700, 50, 0);
 static const DECLARE_TLV_DB_SCALE(dac_tlv, -12700, 50, 1);
 static const DECLARE_TLV_DB_SCALE(bypass_tlv, -2100, 300, 0);
@@ -542,6 +600,9 @@ static int wm8960_set_dai_fmt(struct snd
 
 	/* set iface */
 	snd_soc_write(codec, WM8960_IFACE1, iface);
+	if (!init_mtk)
+		wm8960_init(codec);
+
 	return 0;
 }
 
@@ -623,11 +684,15 @@ static int wm8960_set_bias_level_out3(st
 		break;
 
 	case SND_SOC_BIAS_PREPARE:
+#if 0
 		/* Set VMID to 2x50k */
 		snd_soc_update_bits(codec, WM8960_POWER1, 0x180, 0x80);
+#endif
 		break;
 
 	case SND_SOC_BIAS_STANDBY:
+#if 0
+
 		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
 			regcache_sync(wm8960->regmap);
 
@@ -650,9 +715,13 @@ static int wm8960_set_bias_level_out3(st
 
 		/* Set VMID to 2x250k */
 		snd_soc_update_bits(codec, WM8960_POWER1, 0x180, 0x100);
+#endif
 		break;
 
 	case SND_SOC_BIAS_OFF:
+#if 0
+		wm8960_close(codec);
+
 		/* Enable anti-pop features */
 		snd_soc_write(codec, WM8960_APOP1,
 			     WM8960_POBCTRL | WM8960_SOFT_ST |
@@ -661,6 +730,7 @@ static int wm8960_set_bias_level_out3(st
 		/* Disable VMID and VREF, let them discharge */
 		snd_soc_write(codec, WM8960_POWER1, 0);
 		msleep(600);
+#endif
 		break;
 	}
 
@@ -853,7 +923,6 @@ static int wm8960_set_dai_pll(struct snd
 
 	if (pll_div.k) {
 		reg |= 0x20;
-
 		snd_soc_write(codec, WM8960_PLL2, (pll_div.k >> 16) & 0xff);
 		snd_soc_write(codec, WM8960_PLL3, (pll_div.k >> 8) & 0xff);
 		snd_soc_write(codec, WM8960_PLL4, pll_div.k & 0xff);
@@ -962,7 +1031,7 @@ static int wm8960_probe(struct snd_soc_c
 {
 	struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
 	struct wm8960_data *pdata = dev_get_platdata(codec->dev);
-	int ret;
+	int ret = 0;
 
 	wm8960->set_bias_level = wm8960_set_bias_level_out3;
 
@@ -973,26 +1042,9 @@ static int wm8960_probe(struct snd_soc_c
 			wm8960->set_bias_level = wm8960_set_bias_level_capless;
 	}
 
-	ret = wm8960_reset(codec);
-	if (ret < 0) {
-		dev_err(codec->dev, "Failed to issue reset\n");
-		return ret;
-	}
-
-	wm8960->set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
-	/* Latch the update bits */
-	snd_soc_update_bits(codec, WM8960_LINVOL, 0x100, 0x100);
-	snd_soc_update_bits(codec, WM8960_RINVOL, 0x100, 0x100);
-	snd_soc_update_bits(codec, WM8960_LADC, 0x100, 0x100);
-	snd_soc_update_bits(codec, WM8960_RADC, 0x100, 0x100);
-	snd_soc_update_bits(codec, WM8960_LDAC, 0x100, 0x100);
-	snd_soc_update_bits(codec, WM8960_RDAC, 0x100, 0x100);
-	snd_soc_update_bits(codec, WM8960_LOUT1, 0x100, 0x100);
-	snd_soc_update_bits(codec, WM8960_ROUT1, 0x100, 0x100);
-	snd_soc_update_bits(codec, WM8960_LOUT2, 0x100, 0x100);
-	snd_soc_update_bits(codec, WM8960_ROUT2, 0x100, 0x100);
-
+	wm8960_reset(codec);
+	//mdelay(400);
+	
 	snd_soc_add_codec_controls(codec, wm8960_snd_controls,
 				     ARRAY_SIZE(wm8960_snd_controls));
 	wm8960_add_widgets(codec);
--- a/sound/soc/codecs/wm8960.h
+++ b/sound/soc/codecs/wm8960.h
@@ -110,4 +110,68 @@
 #define WM8960_OPCLK_DIV_5_5		(4 << 0)
 #define WM8960_OPCLK_DIV_6		(5 << 0)
 
+/*
+ * WM8960 Power management
+  */
+#define WM8960_PWR1_VMIDSEL_DISABLED    (0 << 7)
+#define WM8960_PWR1_VMIDSEL_50K         (1 << 7)
+#define WM8960_PWR1_VMIDSEL_250K        (2 << 7)
+#define WM8960_PWR1_VMIDSEL_5K          (3 << 7)
+#define WM8960_PWR1_VREF                (1 << 6)
+#define WM8960_PWR1_AINL                (1 << 5)
+#define WM8960_PWR1_AINR                (1 << 4)
+#define WM8960_PWR1_ADCL                (1 << 3)
+#define WM8960_PWR1_ADCR                (1 << 2)
+#define WM8960_PWR1_MICB                (1 << 1)
+#define WM8960_PWR1_DIGENB              (1 << 0)
+
+#define WM8960_PWR2_DACL                (1 << 8)
+#define WM8960_PWR2_DACR                (1 << 7)
+//#define WM8960_PWR2_LOUT1               (1 << 6)
+//#define WM8960_PWR2_ROUT1               (1 << 5)
+#define WM8960_PWR2_SPKL                (1 << 4)
+#define WM8960_PWR2_SPKR                (1 << 3)
+//#define WM8960_PWR2_OUT3                (1 << 1)
+#define WM8960_PWR2_PLL_EN              (1 << 0)
+
+#define WM8960_PWR3_LMIC                                (1 << 5)
+#define WM8960_PWR3_RMIC                                (1 << 4)
+#define WM8960_PWR3_LOMIX                               (1 << 3)
+#define WM8960_PWR3_ROMIX                               (1 << 2)
+
+#define LEFTGAIN                        0x0a
+#define LEFTGAIN_LDVU                   (1 << 8)
+#define LEFTGAIN_LDACVOL(x)             ((x) & 0xff)
+
+#define RIGHTGAIN                       0x0b
+#define RIGHTGAIN_RDVU                  (1 << 8)
+#define RIGHTGAIN_RDACVOL(x)            ((x) & 0xff)
+
+#define ADDITIONAL1_DATSEL(x)           (((x) & 0x3) << 2)
+
+#define AINTFCE1_WL_32                  (3 << 2)
+#define AINTFCE1_WL_24                  (2 << 2)
+#define AINTFCE1_WL_20                  (1 << 2)
+#define AINTFCE1_WL_16                  (0 << 2)
+#define AINTFCE1_FORMAT_I2S             (2 << 0)
+
+#define LOUT1_LO1VU                     (1 << 8)
+#define LOUT1_LO1ZC                     (1 << 7)
+#define LOUT1_LOUT1VOL(x)               ((x) & 0x7f)
+
+#define ROUT1_RO1VU                     (1 << 8)
+#define ROUT1_RO1ZC                     (1 << 7)
+#define ROUT1_ROUT1VOL(x)               ((x) & 0x7f)
+
+#define LINV_IPVU                       (1 << 8)  /* FIXME */
+
+#define LINV_LINMUTE                    (1 << 7)
+#define LINV_LIZC                       (1 << 6)
+#define LINV_LINVOL(x)                  ((x) & 0x3f)
+
+#define RINV_IPVU                       (1 << 8) /* FIXME */
+#define RINV_RINMUTE                    (1 << 7)
+#define RINV_RIZC                       (1 << 6)
+#define RINV_RINVOL(x)                  ((x) & 0x3f)
+#define MBSEL                       	(1 << 0)
 #endif
