sergiotarxz/nuttx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
b66e4a44d9
nuttx/boards/arm/cxd56xx/common/src/cxd56_audio.c
Takayoshi Koizumi b66e4a44d9 board/cxd56xx/audio: Fix CXD56 audio initialization 
Fix PCM decoder config where it is always initialized assuming
it was enabled despite being optional.
2022-08-07 14:11:43 +08:00

541 lines
12 KiB
C
Raw Blame History

/****************************************************************************
* boards/arm/cxd56xx/common/src/cxd56_audio.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 <sys/types.h>
#include <stdint.h>
#include <stdbool.h>
#include <errno.h>
#include <assert.h>
#include <debug.h>
#include <nuttx/arch.h>
#include <nuttx/audio/audio.h>
#include <nuttx/audio/cxd56.h>
#include <nuttx/audio/pcm.h>
#include <nuttx/signal.h>
#include <arch/chip/audio.h>
#include "chip.h"
#include "arm_internal.h"
#include <arch/board/board.h>
#include "cxd56_pmic.h"
#include "cxd56_gpio.h"
#include "cxd56_pinconfig.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Check if the following are defined in the board.h */
#ifndef CXD5247_XRST
# error "CXD5247_XRST must be defined in board.h !!"
#endif
#ifndef CXD5247_AVDD
# error "CXD5247_AVDD must be defined in board.h !!"
#endif
#ifndef CXD5247_DVDD
# error "CXD5247_DVDD must be defined in board.h !!"
#endif
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: check_pin_i2s_mode
*
* Description:
* Check if the pin is I2S.
*
****************************************************************************/
static bool check_pin_i2s_mode(uint32_t pin)
{
bool res = false;
cxd56_pin_status_t pstat;
if (cxd56_pin_status(pin, &pstat) >= 0)
{
if (pstat.mode == 1)
{
res = true;
}
}
return res;
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: board_audio_power_control
*
* Description:
* Power on/off the audio device on the board.
*
****************************************************************************/
bool board_audio_power_control(bool en)
{
if (en)
{
/* Enable I2S pin. */
cxd56_audio_en_i2s_io();
/* Enable speaker output. */
cxd56_audio_set_spout(true);
/* Power on Audio driver */
if (cxd56_audio_poweron() != 0)
{
return false;
}
/* Enable BaseBand driver output */
if (cxd56_audio_en_output() != 0)
{
return false;
}
/* Cancel output mute. */
board_external_amp_mute_control(false);
}
else
{
/* Set output mute. */
board_external_amp_mute_control(true);
/* Disable speaker output. */
cxd56_audio_set_spout(false);
/* Disable I2S pin. */
cxd56_audio_dis_i2s_io();
/* Power off Audio driver */
if (cxd56_audio_dis_output() != 0)
{
return false;
}
/* Disable BaseBand driver output */
if (cxd56_audio_poweroff() != 0)
{
return false;
}
}
return true;
}
/****************************************************************************
* Name: board_aca_power_control
*
* Description:
* Power on/off the Aca device on the board.
*
****************************************************************************/
int board_aca_power_control(int target, bool en)
{
int ret = 0;
static int first = 1;
static bool avdd_on = false;
static bool dvdd_on = false;
if (first)
{
/* gpio configuration (output disabled yet) */
cxd56_gpio_config(CXD5247_XRST, false);
first = 0;
}
if (en)
{
if (!dvdd_on && (target & CXD5247_DVDD))
{
/* reset assert */
cxd56_gpio_write(CXD5247_XRST, false);
}
/* power on */
if (!avdd_on && (target & CXD5247_AVDD))
{
board_power_control(POWER_AUDIO_AVDD, true);
avdd_on = true;
}
if (!dvdd_on && (target & CXD5247_DVDD))
{
board_power_control(POWER_AUDIO_DVDD, true);
dvdd_on = true;
/* reset release */
cxd56_gpio_write(CXD5247_XRST, true);
}
}
else
{
if (dvdd_on && (target & CXD5247_DVDD))
{
/* reset assert */
cxd56_gpio_write(CXD5247_XRST, false);
}
/* power off */
if (avdd_on && (target & CXD5247_AVDD))
{
board_power_control(POWER_AUDIO_AVDD, false);
avdd_on = false;
}
if (dvdd_on && (target & CXD5247_DVDD))
{
board_power_control(POWER_AUDIO_DVDD, false);
dvdd_on = false;
}
}
return ret;
}
/****************************************************************************
* Name: board_aca_power_monitor
*
* Description:
* Get status of Power on/off the Aca device on the board.
*
****************************************************************************/
bool board_aca_power_monitor(int target)
{
bool avdd_stat = true;
bool dvdd_stat = true;
if (target & CXD5247_AVDD)
{
avdd_stat = board_power_monitor(POWER_AUDIO_AVDD);
}
if (target & CXD5247_DVDD)
{
dvdd_stat = board_power_monitor(POWER_AUDIO_DVDD);
}
return avdd_stat && dvdd_stat;
}
#define MUTE_OFF_DELAY (1250 * 1000) /* ms */
#define MUTE_ON_DELAY (150 * 1000) /* ms */
/****************************************************************************
* Name: board_external_amp_mute_control
*
* Description:
* External Amp. Mute on/off.
* true: Mute on
* false: Mute off
*
****************************************************************************/
int board_external_amp_mute_control(bool en)
{
int ret = 0;
if (en)
{
/* Mute ON */
ret = board_power_control(POWER_AUDIO_MUTE, false);
nxsig_usleep(MUTE_ON_DELAY);
}
else
{
/* Mute OFF */
nxsig_usleep(MUTE_OFF_DELAY);
ret = board_power_control(POWER_AUDIO_MUTE, true);
}
return ret;
}
/****************************************************************************
* Name: board_external_amp_mute_monitor
*
* Description:
* Get External Amp. Mute status.
* true: Mute on
* false: Mute off
*
****************************************************************************/
bool board_external_amp_mute_monitor(void)
{
bool mute = board_power_monitor(POWER_AUDIO_MUTE);
return !mute;
}
/****************************************************************************
* Name: board_audio_i2s_enable
*
* Description:
* Enable I2S on the board.
*
****************************************************************************/
void board_audio_i2s_enable(void)
{
#ifdef CONFIG_CXD56_I2S0
/* Select I2S0_BCK, I2S0_LRCK, I2S0_DATA_IN, I2S0_DATA_OUT. */
# ifdef CONFIG_CXD56_AUDIO_I2S_DEVICE_1_MASTER
/* I2S0 Master. */
# ifdef CONFIG_CXD56_AUDIO_I2S_LOWEMI_2MA
CXD56_PIN_CONFIGS(PINCONFS_I2S0_M_NORM);
# else
CXD56_PIN_CONFIGS(PINCONFS_I2S0_M_HIGH);
# endif
# else
/* I2S0 Slave. */
# ifdef CONFIG_CXD56_AUDIO_I2S_LOWEMI_2MA
CXD56_PIN_CONFIGS(PINCONFS_I2S0_S_NORM);
# else
CXD56_PIN_CONFIGS(PINCONFS_I2S0_S_HIGH);
# endif
# endif /* CONFIG_CXD56_AUDIO_I2S_DEVICE_1_MASTER */
#endif /* CONFIG_CXD56_I2S0 */
#ifdef CONFIG_CXD56_I2S1
/* Select I2S1_BCK, I2S1_LRCK, I2S1_DATA_IN, I2S1_DATA_OUT. */
# ifdef CONFIG_CXD56_AUDIO_I2S_DEVICE_2_MASTER
/* I2S1 Master. */
# ifdef CONFIG_CXD56_AUDIO_I2S_LOWEMI_2MA
CXD56_PIN_CONFIGS(PINCONFS_I2S1_M_NORM);
# else
CXD56_PIN_CONFIGS(PINCONFS_I2S1_M_HIGH);
# endif
# else
/* I2S1 Slave. */
# ifdef CONFIG_CXD56_AUDIO_I2S_LOWEMI_2MA
CXD56_PIN_CONFIGS(PINCONFS_I2S1_S_NORM);
# else
CXD56_PIN_CONFIGS(PINCONFS_I2S1_S_HIGH);
# endif
# endif /* CONFIG_CXD56_AUDIO_I2S_DEVICE_2_MASTER */
#endif /* CONFIG_CXD56_I2S1 */
}
/****************************************************************************
* Name: board_audio_i2s_disable
*
* Description:
* Disable I2S on the board.
*
****************************************************************************/
void board_audio_i2s_disable(void)
{
#ifdef CONFIG_CXD56_I2S0
/* Select GPIO(P1v_00/01/02/03) */
if (check_pin_i2s_mode(PIN_I2S0_BCK))
{
CXD56_PIN_CONFIGS(PINCONFS_I2S0_GPIO);
}
#endif
#ifdef CONFIG_CXD56_I2S1
/* Select GPIO(P1v_00/01/02/03) */
if (check_pin_i2s_mode(PIN_I2S1_BCK))
{
CXD56_PIN_CONFIGS(PINCONFS_I2S1_GPIO);
}
#endif
}
/****************************************************************************
* Name: board_audio_initialize
*
* Description:
* Initialize audio I/O on the board.
*
****************************************************************************/
void board_audio_initialize(void)
{
/* Select MCLK. */
#ifndef CONFIG_CXD56_AUDIO_ANALOG_NONE
CXD56_PIN_CONFIGS(PINCONFS_MCLK);
#endif
/* Select PDM_CLK, PDM_IN, PDM_OUT. */
#ifdef CONFIG_CXD56_AUDIO_PDM_LOWEMI_2MA
CXD56_PIN_CONFIGS(PINCONFS_PDM_NORM);
#else
CXD56_PIN_CONFIGS(PINCONFS_PDM_HIGH);
#endif
}
/****************************************************************************
* Name: board_audio_finalize
*
* Description:
* Finalize audio I/O on the board.
*
****************************************************************************/
void board_audio_finalize(void)
{
/* Select GPIO(P1x_00). */
#ifndef CONFIG_CXD56_AUDIO_ANALOG_NONE
CXD56_PIN_CONFIGS(PINCONFS_MCLK_GPIO);
#endif
/* Select GPIO(P1y_00/01/02). */
CXD56_PIN_CONFIGS(PINCONFS_PDM_GPIO);
/* Disable I2S. */
board_audio_i2s_disable();
}
#ifdef CONFIG_AUDIO_CXD56
/****************************************************************************
* Name: board_audio_initialize_driver
*
* Description:
* Initialize and register the CXD56 audio driver.
*
****************************************************************************/
static struct cxd56_lower_s g_cxd56_lower[2];
int board_audio_initialize_driver(int minor)
{
struct audio_lowerhalf_s *cxd56;
struct audio_lowerhalf_s *pcm;
char devname[12];
int ret;
/* Initialize CXD56 output device driver */
cxd56 = cxd56_initialize(&g_cxd56_lower[0]);
if (!cxd56)
{
auderr("ERROR: Failed to initialize the CXD56 audio\n");
return -ENODEV;
}
#ifndef CONFIG_AUDIO_FORMAT_PCM
pcm = cxd56;
#else
/* Initialize a PCM decoder with the CXD56 instance. */
pcm = pcm_decode_initialize(cxd56);
if (!pcm)
{
auderr("ERROR: Failed create the PCM decoder\n");
return -ENODEV;
}
#endif
/* Create a device name */
snprintf(devname, 12, "pcm%d", minor);
/* Finally, we can register the PCM/CXD56 audio device. */
ret = audio_register(devname, pcm);
if (ret < 0)
{
auderr("ERROR: Failed to register /dev/%s device: %d\n",
devname, ret);
}
/* Initialize CXD56 input device driver */
cxd56 = cxd56_initialize(&g_cxd56_lower[1]);
if (!cxd56)
{
auderr("ERROR: Failed to initialize the CXD56 audio\n");
return -ENODEV;
}
/* No decoder support at the moment, only raw PCM data. */
/* Create a device name */
snprintf(devname, 12, "pcm_in%d", minor);
/* Finally, we can register the CXD56 audio input device. */
ret = audio_register(devname, cxd56);
if (ret < 0)
{
auderr("ERROR: Failed to register /dev/%s device: %d\n",
devname, ret);
}
return ret;
}
#endif /* CONFIG_AUDIO_CXD56 */
Reference in New Issue View Git Blame Copy Permalink