/**************************************************************************** * boards/arm/cxd56xx/drivers/audio/cxd56_audio_analog.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 #include #include #include #include #include #include #include "cxd56_audio_config.h" #include "cxd56_audio_analog.h" #include "cxd56_audio_aca.h" #include "cxd56_clock.h" /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ #define AUD_MCLK_EXT (0u<<16) /* External XTAL */ /**************************************************************************** * Private Data ****************************************************************************/ uint64_t g_mic_boot_start_time = 0x0ull; /**************************************************************************** * Private Functions ****************************************************************************/ static void clear_mic_boot_time(void) { g_mic_boot_start_time = 0x0ull; } static void set_mic_boot_time(void) { struct timespec start; if (clock_gettime(CLOCK_REALTIME, &start) < 0) { g_mic_boot_start_time = 0x0ull; return; } g_mic_boot_start_time = (uint64_t)start.tv_sec * 1000 + (uint64_t)start.tv_nsec / 1000000; } static void wait_mic_boot_finish(void) { if (g_mic_boot_start_time != 0x0ull) { struct timespec end; if (clock_gettime(CLOCK_REALTIME, &end) < 0) { return; } uint64_t time = (uint64_t)end.tv_sec * 1000 + (uint64_t)end.tv_nsec / 1000000 - g_mic_boot_start_time; if (time < CXD56_AUDIO_MIC_BOOT_WAIT) { nxsig_usleep((CXD56_AUDIO_MIC_BOOT_WAIT - time) * 1000); } } } /**************************************************************************** * Public Functions ****************************************************************************/ CXD56_AUDIO_ECODE cxd56_audio_analog_poweron(void) { CXD56_AUDIO_ECODE ret = CXD56_AUDIO_ECODE_OK; #ifdef CONFIG_CXD56_AUDIO_ANALOG_CXD5247 if (board_aca_power_control(CXD5247_AVDD | CXD5247_DVDD, true) != 0) { return CXD56_AUDIO_ECODE_ANA_PWON; } if (!board_aca_power_monitor(CXD5247_AVDD | CXD5247_DVDD)) { return CXD56_AUDIO_ECODE_ANA_PWON; } ret = cxd56_audio_aca_poweron(); if (CXD56_AUDIO_ECODE_OK != ret) { return ret; } cxd56_audio_clock_enable(AUD_MCLK_EXT, 0); if (!cxd56_audio_clock_is_enabled()) { return CXD56_AUDIO_ECODE_ANA_CLK_EN; } #endif return ret; } CXD56_AUDIO_ECODE cxd56_audio_analog_poweroff(void) { CXD56_AUDIO_ECODE ret = CXD56_AUDIO_ECODE_OK; #ifdef CONFIG_CXD56_AUDIO_ANALOG_CXD5247 cxd56_audio_clock_disable(); ret = cxd56_audio_aca_poweroff(); if (CXD56_AUDIO_ECODE_OK != ret) { return ret; } board_aca_power_control(CXD5247_AVDD | CXD5247_DVDD, false); #endif return ret; } CXD56_AUDIO_ECODE cxd56_audio_analog_poweron_input(FAR cxd56_audio_mic_gain_t *gain) { CXD56_AUDIO_ECODE ret = CXD56_AUDIO_ECODE_OK; #ifdef CONFIG_CXD56_AUDIO_ANALOG_CXD5247 uint8_t mic_dev = cxd56_audio_config_get_micdev(); if ((mic_dev == CXD56_AUDIO_CFG_MIC_DEV_ANALOG) || (mic_dev == CXD56_AUDIO_CFG_MIC_DEV_ANADIG)) { ret = cxd56_audio_aca_poweron_micbias(); if (CXD56_AUDIO_ECODE_OK != ret) { return ret; } set_mic_boot_time(); } ret = cxd56_audio_aca_poweron_input(gain); if (CXD56_AUDIO_ECODE_OK != ret) { return ret; } #endif return ret; } CXD56_AUDIO_ECODE cxd56_audio_analog_poweron_output(void) { CXD56_AUDIO_ECODE ret = CXD56_AUDIO_ECODE_OK; #ifdef CONFIG_CXD56_AUDIO_ANALOG_CXD5247 ret = cxd56_audio_aca_set_smaster(); if (CXD56_AUDIO_ECODE_OK != ret) { return ret; } ret = cxd56_audio_aca_poweron_output(); if (CXD56_AUDIO_ECODE_OK != ret) { return ret; } #endif return ret; } CXD56_AUDIO_ECODE cxd56_audio_analog_poweroff_input(void) { CXD56_AUDIO_ECODE ret = CXD56_AUDIO_ECODE_OK; #ifdef CONFIG_CXD56_AUDIO_ANALOG_CXD5247 ret = cxd56_audio_aca_poweroff_input(); if (CXD56_AUDIO_ECODE_OK != ret) { return ret; } clear_mic_boot_time(); #endif return ret; } CXD56_AUDIO_ECODE cxd56_audio_analog_poweroff_output(void) { CXD56_AUDIO_ECODE ret = CXD56_AUDIO_ECODE_OK; #ifdef CONFIG_CXD56_AUDIO_ANALOG_CXD5247 ret = cxd56_audio_aca_poweroff_output(); if (CXD56_AUDIO_ECODE_OK != ret) { return ret; } #endif return ret; } CXD56_AUDIO_ECODE cxd56_audio_analog_enable_output(void) { CXD56_AUDIO_ECODE ret = CXD56_AUDIO_ECODE_OK; #ifdef CONFIG_CXD56_AUDIO_ANALOG_CXD5247 ret = cxd56_audio_aca_enable_output(); if (CXD56_AUDIO_ECODE_OK != ret) { return ret; } #endif return ret; } CXD56_AUDIO_ECODE cxd56_audio_analog_disable_output(void) { CXD56_AUDIO_ECODE ret = CXD56_AUDIO_ECODE_OK; #ifdef CONFIG_CXD56_AUDIO_ANALOG_CXD5247 ret = cxd56_audio_aca_disable_output(); if (CXD56_AUDIO_ECODE_OK != ret) { return ret; } #endif return ret; } CXD56_AUDIO_ECODE cxd56_audio_analog_set_micgain(FAR cxd56_audio_mic_gain_t *gain) { CXD56_AUDIO_ECODE ret = CXD56_AUDIO_ECODE_OK; #ifdef CONFIG_CXD56_AUDIO_ANALOG_CXD5247 ret = cxd56_audio_aca_set_micgain(gain); if (CXD56_AUDIO_ECODE_OK != ret) { return ret; } #endif return ret; } CXD56_AUDIO_ECODE cxd56_audio_analog_wait_input_standby() { CXD56_AUDIO_ECODE ret = CXD56_AUDIO_ECODE_OK; #ifdef CONFIG_CXD56_AUDIO_ANALOG_CXD5247 wait_mic_boot_finish(); ret = cxd56_audio_aca_notify_micbootdone(); if (CXD56_AUDIO_ECODE_OK != ret) { return ret; } #endif return ret; }