/*
*
* aic3204_test( )
*
* Test different configurations of the AIC3204
*/
Int16 aic3204_test( )
{
/* Set A20_MODE for GPIO mode */
CSL_FINST(CSL_SYSCTRL_REGS->EBSR, SYS_EBSR_A20_MODE, MODE1);
/* Use GPIO to enable AIC3204 chip */
USBSTK5505_GPIO_init();
USBSTK5505_GPIO_setDirection(GPIO26, GPIO_OUT);
USBSTK5505_GPIO_setOutput( GPIO26, 1 ); // Take AIC3201 chip out of reset
/* Initialize I2C */
USBSTK5505_I2C_init( );
/* Codec tests */
printf( " -> 1 KHz Tone on Headphone.\n" );
if ( aic3204_tone_headphone( ) ) // Output test
return 1;
USBSTK5505_wait( 100 ); // Wait
printf( "<-> Audio Loopback from Stereo IN --> to HP OUT\n" );
if ( aic3204_loop_linein( ) ) // Loop test
return 3;
USBSTK5505_GPIO_setOutput( GPIO26, 0 ); // Disable AIC3204
return 0;
}
void aic3204_hardware_init(void)
{
SYS_EXBUSSEL |= 0x0020; // Select A20/GPIO26 as GPIO26
USBSTK5505_GPIO_init();
USBSTK5505_GPIO_setDirection(GPIO26, GPIO_OUT);
USBSTK5505_GPIO_setOutput( GPIO26, 1 ); // Take AIC3204 chip out of reset
USBSTK5505_I2C_init( ); // Initialize I2C
USBSTK5505_wait( 100 ); // Wait
}
void aic3204_disable(void)
{
AIC3204_rset( 1, 1 ); // Reset codec
USBSTK5505_GPIO_setOutput( GPIO26, 0 ); // Put AIC3204 into reset
I2S0_CR = 0x00;
}
