forked from PAWPAW-Mirror/lib_xua
111 lines
2.6 KiB
C
111 lines
2.6 KiB
C
|
|
#include <xs1.h>
|
|
#define __ASSEMBLER__ // Work around for bug #14118
|
|
#include <platform.h>
|
|
#undef __ASSEMBLER__
|
|
#include "devicedefines.h"
|
|
#include "audioports.h"
|
|
|
|
#ifdef DSD_OUTPUT
|
|
/* Note since DSD ports could be reused for I2S ports we do all the setup manually in C */
|
|
#if DSD_CHANS_DAC > 0
|
|
port p_dsd_dac[DSD_CHANS_DAC] = {
|
|
PORT_DSD_DAC0,
|
|
#endif
|
|
#if DSD_CHANS_DAC > 1
|
|
PORT_DSD_DAC1,
|
|
#endif
|
|
#if DSD_CHANS_DAC > 2
|
|
#error > 2 DSD chans currently not supported
|
|
#endif
|
|
#if DSD_CHANS_DAC > 0
|
|
};
|
|
port p_dsd_clk = PORT_DSD_CLK;
|
|
#endif
|
|
|
|
static inline void EnableBufferedPort(port p, unsigned transferWidth)
|
|
{
|
|
//set_port_use_on(p_dsd_dac[i]);
|
|
asm volatile("setc res[%0], %1"::"r"(p), "r"(XS1_SETC_INUSE_ON));
|
|
asm volatile("setc res[%0], %1"::"r"(p), "r"(XS1_SETC_BUF_BUFFERS));
|
|
asm volatile("settw res[%0], %1"::"r"(p),"r"(transferWidth));
|
|
}
|
|
|
|
|
|
/* C wrapper for ConfigAudioPorts() such that we can mess around with arrays of ports */
|
|
void ConfigAudioPortsWrapper(
|
|
#if (I2S_CHANS_DAC != 0)
|
|
port p_i2s_dac[I2S_WIRES_DAC],
|
|
#endif
|
|
|
|
#if (I2S_CHANS_ADC != 0)
|
|
port p_i2s_adc[I2S_WIRES_ADC],
|
|
#endif
|
|
|
|
#if (I2S_CHANS_DAC != 0) || (I2S_CHANS_ADC != 0)
|
|
#ifndef CODEC_MASTER
|
|
port p_lrclk,
|
|
port p_bclk,
|
|
#else
|
|
in port p_lrclk,
|
|
in port p_bclk,
|
|
#endif
|
|
#endif
|
|
unsigned int divide, unsigned int dsdMode)
|
|
{
|
|
|
|
if(dsdMode)
|
|
{
|
|
/* Make sure the ports are on and buffered - just in case they are not shared with I2S */
|
|
for(int i = 0; i< DSD_CHANS_DAC; i++)
|
|
{
|
|
EnableBufferedPort(p_dsd_dac[i], 32);
|
|
}
|
|
EnableBufferedPort(p_dsd_clk, 32);
|
|
|
|
ConfigAudioPorts(
|
|
#if (DSD_CHANS_DAC != 0)
|
|
p_dsd_dac,
|
|
DSD_CHANS_DAC,
|
|
#endif
|
|
#if (I2S_CHANS_ADC != 0)
|
|
p_i2s_adc,
|
|
I2S_WIRES_ADC,
|
|
#endif
|
|
#if (I2S_CHANS_DAC != 0) || (I2S_CHANS_ADC != 0)
|
|
#ifndef CODEC_MASTER
|
|
0, /* NULL */
|
|
p_dsd_clk,
|
|
#else
|
|
0, /* NULL */
|
|
p_dsd_clock,
|
|
#endif
|
|
#endif
|
|
divide);
|
|
|
|
}
|
|
else
|
|
{
|
|
ConfigAudioPorts(
|
|
#if (I2S_CHANS_DAC != 0)
|
|
p_i2s_dac,
|
|
I2S_WIRES_DAC,
|
|
#endif
|
|
#if (I2S_CHANS_ADC != 0)
|
|
p_i2s_adc,
|
|
I2S_WIRES_ADC,
|
|
#endif
|
|
#if (I2S_CHANS_DAC != 0) || (I2S_CHANS_ADC != 0)
|
|
#ifndef CODEC_MASTER
|
|
p_lrclk,
|
|
p_bclk,
|
|
#else
|
|
p_lrclk,
|
|
p_bclk,
|
|
#endif
|
|
#endif
|
|
divide);
|
|
}
|
|
}
|
|
#endif
|