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DSD port updates

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This commit is contained in:
Ross Owen
2013-06-28 12:45:31 +01:00
parent 160010acda
commit a081ef00ae
3 changed files with 93 additions and 76 deletions
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87
module_usb_audio/ports/audioports.c
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@@ -1,36 +1,38 @@
#include <xccompat.h>
#include <xs1.h>
#define __ASSEMBLER__ // Work around for bug #14118
#include <platform.h>
#undef __ASSEMBLER__
#include "devicedefines.h"
#include "audioports.h"
//#define p_dsd_left p_i2s_dac[0]
//#define p_dsd_right p_bclk
#define p_dsd_clk p_lrclk
//#d
#if 0
#ifndef p_dsd_clk
buffered out port:32 p_dsd_clk = P_DSD_CLK;
#endif
#ifndef p_dsd_left
extern buffered out port:32 p_dsd_left;
#endif
#ifndef p_dsd_right
extern buffered out port:32 p_dsd_right;
#endif
#if I2S_WIRES_DAC > 0
#ifndef p_dsd_dac0
on tile[0] : buffered out port:32 p_dsd_dac0 = PORT_DSD_DAC0;
#endif
dsdPorts[0] = PORT_DSD_DAC0;
#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],
@@ -52,18 +54,46 @@ void ConfigAudioPortsWrapper(
unsigned int divide, unsigned int dsdMode)
{
if(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)
#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
@@ -77,3 +107,4 @@ unsigned int divide, unsigned int dsdMode)
divide);
}
}
#endif