nuttx/boards/arm/cxd56xx/drivers/audio/cxd56_audio_power.c

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/****************************************************************************
* boards/arm/cxd56xx/drivers/audio/cxd56_audio_power.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/irq.h>
#include <debug.h>
#include <arch/board/board.h>
#include <arch/chip/audio.h>
#include "cxd56_audio_config.h"
#include "cxd56_audio_power.h"
#include "cxd56_audio_digital.h"
#include "cxd56_audio_ac_reg.h"
#include "cxd56_audio_bca_reg.h"
/****************************************************************************
* Private Functions
****************************************************************************/
static CXD56_AUDIO_ECODE power_on_codec(void)
{
CXD56_AUDIO_ECODE ret = CXD56_AUDIO_ECODE_OK;
cxd56_audio_clkmode_t clk_mode = cxd56_audio_config_get_clkmode();
ret = cxd56_audio_ac_reg_checkid();
if (CXD56_AUDIO_ECODE_OK != ret)
{
return ret;
}
cxd56_audio_ac_reg_initdsp();
cxd56_audio_ac_reg_poweron_sdes();
uint8_t mic_mode = cxd56_audio_config_get_micmode();
ret = cxd56_audio_ac_reg_set_micmode(mic_mode);
if (CXD56_AUDIO_ECODE_OK != ret)
{
return ret;
}
cxd56_audio_ac_reg_poweron_codec();
cxd56_audio_digital_poweron();
cxd56_audio_ac_reg_resetdsp();
cxd56_audio_digital_enable();
cxd56_audio_ac_reg_enable_serialif();
cxd56_audio_ac_reg_init_selector();
ret = cxd56_audio_ac_reg_set_alcspc();
if (CXD56_AUDIO_ECODE_OK != ret)
{
return ret;
}
cxd56_audio_bca_reg_set_datarate(clk_mode);
return ret;
}
/****************************************************************************
* Public Functions
****************************************************************************/
CXD56_AUDIO_ECODE cxd56_audio_power_on(void)
{
CXD56_AUDIO_ECODE ret = CXD56_AUDIO_ECODE_OK;
/* Power on audio codec block. */
ret = power_on_codec();
if (CXD56_AUDIO_ECODE_OK != ret)
{
return ret;
}
return ret;
}
CXD56_AUDIO_ECODE cxd56_audio_power_off(void)
{
/* Power off audio codec block. */
cxd56_audio_ac_reg_poweroff_codec();
return CXD56_AUDIO_ECODE_OK;
}