i2s_codec_jz4740.c

JZ4740 ucos core code JZ4740 ucos 核心代码

#include <jz4740.h>

#define u8	unsigned char
#define u16	unsigned short
#define u32	unsigned int

u16 codec_volume;
u16 codec_base_gain;
u16 codec_mic_gain;
int HP_on_off_flag; 
static int HP_register_value; 
int IS_WRITE_PCM;

void i2s_codec_clear(void)
{
        REG_ICDC_CDCCR1 = 0x021b2302;
}


void i2s_codec_init(void)
{
//	REG_GPIO_PXFUNS(3) |= 0x007c0000;
//	REG_GPIO_PXSELS(3) |= 0x007c0000;
//	__gpio_as_aic();
	REG_CPM_SCR &= 0x0fffffff;

	__i2s_internal_codec();
//	__i2s_as_slave();
//	__i2s_select_i2s();
	
	REG_ICDC_CDCCR1 = 0x021b2303; //reset
	udelay(10);
	REG_ICDC_CDCCR1 = 0x021b2302;
	REG_ICDC_CDCCR2 = 0x00170803;
	HP_on_off_flag = 0;//HP is off

}
void i2s_codec_set_mic(u16 v) /* 0 <= v <= 100 */
{
	v = v & 0xff;
	if(v < 0)
		v = 0;
	if(v > 100)
		v = 100;	
	codec_mic_gain = 31 * v/100;
	REG_ICDC_CDCCR2 = ((REG_ICDC_CDCCR2 & ~(0x1f << 16)) | (codec_mic_gain << 16));
}
void i2s_codec_set_bass(u16 v) /* 0 <= v <= 100 */
{
	v = v & 0xff;
	if(v < 0)
		v = 0;
	if(v > 100)
		v = 100;

	if(v < 25)
		codec_base_gain = 0;
	if(v >= 25 && v < 50)
		codec_base_gain = 1;
	if(v >= 50 && v < 75)
		codec_base_gain = 2;
	if(v >= 75 && v <= 100 )
		codec_base_gain = 3;
	REG_ICDC_CDCCR2 = ((REG_ICDC_CDCCR2 & ~(0x3 << 4)) | (codec_base_gain << 4));


}
void i2s_codec_set_volume(u16 v) /* 0 <= v <= 100 */
{
	v = v & 0xff;
	if(v < 0)
		v = 0;
	if(v > 100)
		v = 100;

	if(v < 25)
		codec_volume = 0;
	if(v >= 25 && v < 50)
		codec_volume = 1;
	if(v >= 50 && v < 75)
		codec_volume = 2;
	if(v >= 75 && v <= 100 )
		codec_volume = 3;
	
	REG_ICDC_CDCCR2 = ((REG_ICDC_CDCCR2 & ~(0x3)) | codec_volume);

}
u16 i2s_codec_get_bass(void)
{
	u16 val;
	int ret;
	if(codec_base_gain == 0)
		val = 0;
	if(codec_base_gain == 1)
		val = 25;
	if(codec_base_gain == 2)
		val = 50;
	if(codec_base_gain == 3)
		val = 75;
	
	ret = val << 8;
	val = val | ret;
}
u16 i2s_codec_get_mic(void)
{
	u16 val;
	int ret;
	val = 100 * codec_mic_gain / 31;
	ret = val << 8;
	val = val | ret;
}
u16 i2s_codec_get_volume(void)
{
	u16 val;
	int ret;

	if(codec_volume == 0)
		val = 0;
	if(codec_volume == 1)
		val = 25;
	if(codec_volume == 2)
		val = 50;
	if(codec_volume == 3)
		val = 75;
	
	ret = val << 8;
	val = val | ret;
	return val;
}

void i2s_codec_set_channel(u16 ch)
{
//	i2s_codec_write(I2S_KEYCLICK_CONTROL, 0x4415);
}

void i2s_codec_set_samplerate(u16 rate)
{
	unsigned short speed = 0;
	unsigned short val = 0;
	
		switch (rate) {
		case 8000:
			speed = 0;
			break;
		case 11025:
			speed = 1;
			break;
		case 12000:
			speed = 2;
			break;
		case 16000:
			speed = 3;
			break;
		case 22050:
			speed = 4;
			break;
		case 24000:
			speed = 5;
			break;
		case 32000:
			speed = 6;
			break;
		case 44100:
			speed = 7;
			break;
		case 48000:
			speed = 8;
			break;
		default:
			break;
		}
		REG_ICDC_CDCCR2 |= 0x00000f00;
		speed = speed << 8;

		speed |= 0xfffff0ff;
		REG_ICDC_CDCCR2 &= speed;
}


void actual_delay_msec(long delay_val)
{
	udelay(delay_val*1000);	
}



void HP_turn_on(void)
{ 
        //see 1.3.4.1
	
	REG_ICDC_CDCCR1 &= 0xfffffffc;//set suspend 0

	actual_delay_msec(15);
	REG_ICDC_CDCCR1 &= 0xffecffff;
	REG_ICDC_CDCCR1 |= 0x01001000;
	
	actual_delay_msec(600);
	REG_ICDC_CDCCR1 &= 0xfff7ecff;
	
	actual_delay_msec(2);
	HP_register_value = REG_ICDC_CDCCR1; 


	//see 1.3.4.2
	/*REG_ICDC_CDCCR1 &= 0xfffffffc;
	mdelay(7);
	REG_ICDC_CDCCR1 |= 0x00040400;
	mdelay(15);
	REG_ICDC_CDCCR1 &= 0xfffbfbff;
	udelay(500);
	REG_ICDC_CDCCR1 &= 0xffe5fcff;
	REG_ICDC_CDCCR1 |= 0x01000000;
	mdelay(400);
	REG_ICDC_CDCCR1 &= 0xfffeffff;
	mdelay(7);
	HP_register_value = REG_ICDC_CDCCR1;*/

	//see 1.3.4.3
	
}


void HP_turn_off(void)
{
	//see 1.3.4.1
	actual_delay_msec(2);
	REG_ICDC_CDCCR1 = HP_register_value;
	REG_ICDC_CDCCR1 |= 0x001b0300;
	REG_ICDC_CDCCR1 &= 0xfeffffff;

	actual_delay_msec(15);
	REG_ICDC_CDCCR1 |= 0x00000002;//set suspend 1

	//see 1.3.4.2
	/*mdelay(4);
	REG_ICDC_CDCCR1 = HP_register_value;
	REG_ICDC_CDCCR1 |= 0x001b0300;
	REG_ICDC_CDCCR1 &= 0xfeffffff;
	mdelay(4);
	REG_ICDC_CDCCR1 |= 0x00000400;
	mdelay(15);
	REG_ICDC_CDCCR1 &= 0xfffffdff;
	mdelay(7);
	REG_ICDC_CDCCR1 |= 0x00000002;*/
	
	//see 1.3.4.3

}

void in_codec_app1(void)
{
	/* test is OK */
	if(HP_on_off_flag == 0) {
		HP_on_off_flag = 1;
		HP_turn_on();
	}
	REG_ICDC_CDCCR1 &= 0xc3ffbfff;
	REG_ICDC_CDCCR1 |= 0x03000000;
//	REG_ICDC_CDCCR2 = 0x00170803;
}

void in_codec_app2(void)
{
	/* test is OK */
	if(HP_on_off_flag == 0) {
		HP_on_off_flag = 1;
		HP_turn_on();
	}

	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 | (1 << 29) | (1 << 27 ) | (1 << 25) | (1 << 24);
	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 & ~(1 << 28) & ~(1 << 26) & ~(1 << 14);

	//REG_ICDC_CDCCR2 = 0x00170803;
}


static void in_codec_app3(void)
{
	/* test is OK */
	if(HP_on_off_flag == 0) {
		HP_on_off_flag = 1;
		HP_turn_on();
	}

	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 | (1 << 28) | (1 << 27 ) | (1 << 25) | (1 << 24);
	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 & ~(1 << 29) & ~(1 << 26) & ~(1 << 14);

	//REG_ICDC_CDCCR2 = 0x00170803;
}

static void in_codec_app4(void)
{
	/* test is OK */
	if(HP_on_off_flag == 0) {
		HP_on_off_flag = 1;
		HP_turn_on();
	}
	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 | (1 << 29) | (1 << 28) | (1 << 27 ) | (1 << 25) | (1 << 24);
	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 & ~(1 << 26) & ~(1 << 14);

	//REG_ICDC_CDCCR2 = 0x00170803;
}

static void in_codec_app5(void)
{
	/* wait to be test */
	if(HP_on_off_flag == 0) {
		HP_on_off_flag = 1;
		HP_turn_on();
	}

	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 | (1 << 28) | (1 << 26) | (1 << 25) | (1 << 24);
	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 & ~(1 << 29) & ~(1 << 27) & ~(1 << 14);

	//REG_ICDC_CDCCR2 = 0x00170803;
}

static void in_codec_app6(void)
{
	/* test is OK */
	if(HP_on_off_flag == 0) {
		HP_on_off_flag = 1;
		HP_turn_on();
	}
	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 | (1 << 29) | (1 << 27);
	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 & ~(1 << 28) & ~(1 << 26) & ~(1 << 25) & ~(1 << 24) & ~(1 << 14);

	//REG_ICDC_CDCCR2 = 0x00170803;
}

static void in_codec_app7(void)
{
	/* test is OK */
	if(HP_on_off_flag == 0) {
		HP_on_off_flag = 1;
		HP_turn_on();
	}	

	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 | (1 << 29) | (1 << 26) | (1 << 14);
	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 & ~(1 << 28) & ~(1 << 27) & ~(1 << 25) & ~(1 << 24);

	//REG_ICDC_CDCCR2 = 0x00170803;
}

static void in_codec_app8(void)
{
	/* test is wrong */
	if(HP_on_off_flag == 1) {
		HP_on_off_flag = 0;
		HP_turn_off();
	}	

	REG_ICDC_CDCCR1 &= ~(1 << 1);
	udelay(7000);


	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 | (1 << 29) | (1 << 26);
	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 & ~(1 << 28) & ~(1 << 24);

	//REG_ICDC_CDCCR2 = 0x00170803;
}

static void in_codec_app9(void)
{
	/* test is OK */
	if(HP_on_off_flag == 0) {
		HP_on_off_flag = 1;
		HP_turn_on();
	}	

	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 | (1 << 29) | (1 << 27) | (1 << 26);
	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 & ~(1 << 28) & ~(1 << 25) & ~(1 << 24) & ~(1 << 14);
	//REG_ICDC_CDCCR2 = 0x00170803;
}

static void in_codec_app10(void)
{
	/* test is OK */
	if(HP_on_off_flag == 0) {
		HP_on_off_flag = 1;
		HP_turn_on();
	}	

	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 | (1 << 28) | (1 << 27);
	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 & ~(1 << 29) & ~(1 << 26) & ~(1 << 25) & ~(1 << 24) & ~(1 << 14);

	//REG_ICDC_CDCCR2 = 0x00170803;
}

void in_codec_app11(void)
{
	/* test is OK */
	if(HP_on_off_flag == 0) {
		HP_on_off_flag = 1;
		HP_turn_on();
	}

	REG_ICDC_CDCCR1 |= 1 << 28;
	REG_ICDC_CDCCR1 |= 1 << 26;
	REG_ICDC_CDCCR1 |= 1 << 14;

	REG_ICDC_CDCCR1 &= ~(1 << 29);
	REG_ICDC_CDCCR1 &= ~(1 << 27);
	REG_ICDC_CDCCR1 &= ~(1 << 25);
	REG_ICDC_CDCCR1 &= ~(1 << 24);

	//REG_ICDC_CDCCR2 = 0x00170823;
}

void in_codec_app12(void)
{
	/* test is OK */
	if(HP_on_off_flag == 1) {
		HP_on_off_flag = 0;
		HP_turn_off();
	}	

	REG_ICDC_CDCCR1 &= ~(1 << 1);
	udelay(7000);

	REG_ICDC_CDCCR1 |= 1 << 28;
	REG_ICDC_CDCCR1 |= 1 << 26;

	REG_ICDC_CDCCR1 &= ~(1 << 29);
	REG_ICDC_CDCCR1 &= ~(1 << 24);

	//REG_ICDC_CDCCR2 = 0x00170823;
}

void in_codec_app13(void)
{
	/* test is OK */
	if(HP_on_off_flag == 0) {
		HP_on_off_flag = 1;
		HP_turn_on();
	}
	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 | (1 << 28) | (1 << 27) | (1 << 26);
	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 & ~(1 << 29) & ~(1 << 25) & ~(1 << 24) & ~(1 << 14);
}

static void in_codec_app14(void)
{
	/* test is OK */
	if(HP_on_off_flag == 0) {
		HP_on_off_flag = 1;
		HP_turn_on();
	}
	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 | (1 << 29) | (1 << 28) | (1 << 27);
	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 & ~(1 << 26) & ~(1 << 25) & ~(1 << 24) & ~(1 << 14);
}

static void in_codec_app15(void)
{
	/* test is OK */
	if(HP_on_off_flag == 0) {
		HP_on_off_flag = 1;
		HP_turn_on();
	}
	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 | (1 << 29) | (1 << 28) | (1 << 26) | (1 << 14);
	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 & ~(1 << 27) & ~(1 << 25) & ~(1 << 24);
}

static void in_codec_app16(void)
{
	/* test is wrong */
	if(HP_on_off_flag == 1) {
		HP_on_off_flag = 0;
		HP_turn_off();
	}	

	REG_ICDC_CDCCR1 &= ~(1 << 1);
	udelay(7000);

	REG_ICDC_CDCCR1 |= 1 << 29;
	REG_ICDC_CDCCR1 |= 1 << 28;
	REG_ICDC_CDCCR1 |= 1 << 26;

	REG_ICDC_CDCCR1 &= ~(1 << 24);

	//REG_ICDC_CDCCR2 = 0x00170823;
}

static void in_codec_app17(void)
{
	/* test is OK */
	if(HP_on_off_flag == 0) {
		HP_on_off_flag = 1;
		HP_turn_on();
	}
	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 | (1 << 29) | (1 << 28) | (1 << 27) | (1 << 26);
	REG_ICDC_CDCCR1 = REG_ICDC_CDCCR1 & ~(1 << 25) & ~(1 << 24) & ~(1 << 14);
}