nuttx/boards/arm/cxd56xx/drivers/audio/cxd56_audio_power.c
Alin Jerpelea 33d0de4d57 Merged in alinjerpelea/nuttx (pull request #1046)
boards: spresense: add audio implementation

* boards: arm: cxd56xx: add audio implementation

    Add the board audio control implemantation

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

* boards: arm: cxd56xx: update audio defconfig

    Small updates to build the platforms specific audio driver

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

* boards: arm: cxd56xx: drivers: add audio implementation

    Add the audio implementation for CXD56XX chip

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

* boards: arm: cxd56xx: fix Load switch GPIO

    During the initial bringup the grong GPIO was set.

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

Approved-by: Gregory Nutt <gnutt@nuttx.org>
2019-10-09 23:55:20 +00:00

139 lines
4.5 KiB
C

/***************************************************************************
* arch/arm/src/cxd56xx/cxd56_audio_power.c
*
* Copyright 2018 Sony Semiconductor Solutions Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name of Sony Semiconductor Solutions Corporation nor
* the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/***************************************************************************
* 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"
/***************************************************************************
* Pre-processor Definitions
****************************************************************************/
/***************************************************************************
* Public Function Prototypes
****************************************************************************/
/***************************************************************************
* Private Data
****************************************************************************/
/***************************************************************************
* Public Data
****************************************************************************/
/***************************************************************************
* 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;
}