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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
*
* Copyright (c) 2018 Marcin Bukat
* Copyright (c) 2018 Roman Stolyarov
*
* 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 distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
//#define LOGF_ENABLE
#include "config.h"
#include "audio.h"
#include "audiohw.h"
#include "button.h"
#include "system.h"
#include "kernel.h"
#include "panic.h"
#include "sysfs.h"
#include "alsa-controls.h"
#include "pcm-alsa.h"
#include "logf.h"
static int fd_hw = -1;
static long int vol_l_hw = 255;
static long int vol_r_hw = 255;
static long int last_ps = -1;
static void hw_open(void)
{
fd_hw = open("/dev/snd/controlC0", O_RDWR);
if(fd_hw < 0)
panicf("Cannot open '/dev/snd/controlC0'");
}
static void hw_close(void)
{
close(fd_hw);
fd_hw = -1;
}
static int muted = -1;
void audiohw_mute(int mute)
{
logf("mute %d", mute);
if (fd_hw < 0 || muted == mute)
return;
muted = mute;
if(mute)
{
long int ps0 = 0;
alsa_controls_set_ints("Output Port Switch", 1, &ps0);
}
else
{
last_ps = 0;
xduoo_get_outputs();
}
}
int xduoo_get_outputs(void){
long int ps = 0; // Muted, if nothing is plugged in!
int status = 0;
if (fd_hw < 0) return ps;
const char * const sysfs_lo_switch = "/sys/class/switch/lineout/state";
const char * const sysfs_hs_switch = "/sys/class/switch/headset/state";
#if defined(XDUOO_X20)
const char * const sysfs_bal_switch = "/sys/class/switch/balance/state";
#endif
sysfs_get_int(sysfs_lo_switch, &status);
if (status) ps = 1; // lineout
sysfs_get_int(sysfs_hs_switch, &status);
if (status) ps = 2; // headset
#if defined(XDUOO_X20)
sysfs_get_int(sysfs_bal_switch, &status);
if (status) ps = 3; // balance
#endif
xduoo_set_output(ps);
return ps;
}
void xduoo_set_output(int ps)
{
if (fd_hw < 0 || muted) return;
if (last_ps != ps)
{
logf("set out %d/%d", ps, last_ps);
/* Output port switch */
last_ps = ps;
alsa_controls_set_ints("Output Port Switch", 1, &last_ps);
audiohw_set_volume(vol_l_hw, vol_r_hw);
}
}
void audiohw_preinit(void)
{
logf("hw preinit");
alsa_controls_init();
hw_open();
#if defined(XDUOO_X3II)
audiohw_mute(true); /* Start muted to avoid the POP */
#else
audiohw_mute(false); /* No need */
#endif
// const char * const codec_pmdown = "/sys/devices/platform/ingenic-x3ii.0/x3ii-ak4490-i2s/pmdown_time"; // in ms, defaults 5000
}
void audiohw_postinit(void)
{
logf("hw postinit");
}
void audiohw_close(void)
{
logf("hw close");
hw_close();
alsa_controls_close();
}
void audiohw_set_frequency(int fsel)
{
(void)fsel;
}
void audiohw_set_volume(int vol_l, int vol_r)
{
logf("hw vol %d %d", vol_l, vol_r);
long l,r;
vol_l_hw = vol_l;
vol_r_hw = vol_r;
if (lineout_inserted()) {
l = 0;
r = 0;
} else {
l = -vol_l/5;
r = -vol_r/5;
}
if (fd_hw < 0)
return;
alsa_controls_set_ints("Left Playback Volume", 1, &l);
alsa_controls_set_ints("Right Playback Volume", 1, &r);
}
void audiohw_set_lineout_volume(int vol_l, int vol_r)
{
long l,r;
logf("lo vol %d %d", vol_l, vol_r);
(void)vol_l;
(void)vol_r;
if (lineout_inserted()) {
l = 0;
r = 0;
} else {
l = -vol_l_hw/5;
r = -vol_r_hw/5;
}
alsa_controls_set_ints("Left Playback Volume", 1, &l);
alsa_controls_set_ints("Right Playback Volume", 1, &r);
}
void audiohw_set_filter_roll_off(int value)
{
logf("rolloff %d", value);
/* 0 = Sharp;
1 = Slow;
2 = Short Sharp
3 = Short Slow */
#if defined(XDUOO_X3II)
long int value_hw = value;
alsa_controls_set_ints("AK4490 Digital Filter", 1, &value_hw);
#elif defined(XDUOO_X20)
long int value_hw = value;
alsa_controls_set_ints("ES9018_K2M Digital Filter", 1, &value_hw);
#else
(void)value;
#endif
}
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