/**************************************************************************** * drivers/audio/cxd56.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 #include #include #include #include #include #include #include #include #include #include #include "cxd56.h" #ifdef CONFIG_AUDIO_CXD56_SRC #include "cxd56_src.h" #endif /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ #define REG_BASE 0x0e300000 #define REG_BASE_INT 0xe0045000 #define CXD56_GEN_MASK(len, pos) (((len) == 32) ? 0xffffffff : \ ((1 << (len)) - 1) << (pos)) #define CXD56_IRQ1_BIT_MIC (1 << 6) /* AU0 */ #define CXD56_IRQ1_BIT_I2S1 (1 << 7) /* AU1 */ #define CXD56_VOL_MIN -1020 #define CXD56_VOL_MAX 120 #define CXD56_VOL_MUTE (CXD56_VOL_MIN - 1) #define CXD56_VOL_RANGE ((CXD56_VOL_MAX - CXD56_VOL_MIN) / 2) #define CXD56_VOL_NX_TO_CXD56(v) ((int)((float)((v) / 1000.0) * CXD56_VOL_RANGE) \ + CXD56_VOL_MIN + CXD56_VOL_RANGE) #define CXD56_VOL_WAIT_TIME 20 #define CXD56_VOL_TO_REG(vol) (((vol) / 5) & 0xff) #define CXD56_VOL_MUTE_REG 0x33 #define CXD56_VOL_MUTE_TIME(vol, cycles) \ (((CXD56_VOL_TO_REG(vol) - CXD56_VOL_MUTE_REG) & 0xff) \ * ((cycles) + 1) * 4 / 48 * 1000) #define CXD56_IN_CHANNELS_MAX 8 #define CXD56_OUT_CHANNELS_MAX 2 /* Samplerates field is split into low and high byte */ #define CXD56_SUPP_RATES_L (AUDIO_SAMP_RATE_8K | AUDIO_SAMP_RATE_11K | \ AUDIO_SAMP_RATE_16K | AUDIO_SAMP_RATE_22K | \ AUDIO_SAMP_RATE_32K | AUDIO_SAMP_RATE_44K | \ AUDIO_SAMP_RATE_48K) #define CXD56_SUPP_RATES_H ((AUDIO_SAMP_RATE_96K | AUDIO_SAMP_RATE_128K | \ AUDIO_SAMP_RATE_192K) >> 8) #define CXD56_SUPP_RATES (CXD56_SUPP_RATES_L | CXD56_SUPP_RATES_H) /* Mic setting definitions */ #define CXD56_ACA_MIC_AMIC 1 /* Analog MIC */ #define CXD56_MIC_TRANS_CH_24BIT 8 #define CXD56_MIC_TRANS_CH_16BIT 4 #define CXD56_AUDIO_CFG_MIC_MODE_64FS 0 #define CXD56_AUDIO_CFG_MIC_MODE_128FS 1 #define CXD56_MIC_GAIN_MAX 150 #define CXD56_MIC_PGA_GAIN_MAX 60 #define CXD56_MIC_CH_BITNUM 4 #define CXD56_MIC_CH_BITMAP 0xf #define CXD56_CIC_MIC_CH_NUM 2 /* External XTAL */ #define CXD56_AUD_MCLK_EXT (0u<<16) /* Oscillator modes */ #define CXD56_ACA_OSC_24_576MHZ 1 /* 24.576MHz */ #define CXD56_ACA_OSC_24_576MHZ_HIRES 2 /* 24.576MHz, Hi-Res */ #define CXD56_ACA_OSC_49_152MHZ 3 /* 49.152MHz */ #define CXD56_ACA_OSC_49_152MHZ_HIRES 4 /* 49.152MHz, Hi-Res */ /* Control IDs for external fw_as_acacontrol */ #define CXD56_ACA_CTL_CHECK_ID 0 #define CXD56_ACA_CTL_POWER_ON_COMMON 1 #define CXD56_ACA_CTL_POWER_ON_INPUT 2 #define CXD56_ACA_CTL_POWER_ON_OUTPUT 3 #define CXD56_ACA_CTL_SET_SERDES 4 #define CXD56_ACA_CTL_SET_SMASTER 5 #define CXD56_ACA_CTL_POWER_OFF_COMMON 6 #define CXD56_ACA_CTL_POWER_OFF_INPUT 7 #define CXD56_ACA_CTL_POWER_OFF_OUTPUT 8 #define CXD56_ACA_CTL_POWER_ON_MICBIAS 9 #define CXD56_ACA_CTL_POWER_OFF_MICBIAS 10 #define CXD56_ACA_CTL_SET_OUTPUT_DEVICE 13 #define CXD56_EXP_REVID 0x20 #define CXD56_EXP_DEVICEID 0x02 #define CXD56_OUT_DEV_OFF (0) #define CXD56_OUT_DEV_SP (1) #define CXD56_SMSTR_MODE_FS_16 1 #define CXD56_SMSTR_MODE_FS_32 2 #define CXD56_SMSTR_MCK_FS_512 1 #define CXD56_SMSTR_MCK_FS_1024 2 #define CXD56_SMSTR_CHSEL_NORMAL 1 #define CXD56_SMSTR_PWMMD_BOTH 2 #define CXD56_ACA_OUT_OFF 6 #define CXD56_ACA_PWMOUT_UNKNOWN 0 #define CXD56_ACA_SP_DELAY_SEL_UNKNOWN 0 #define CXD56_ACA_SP_LOOP_MODE_UNKNOWN 0 #define CXD56_ACA_SP_DLY_FREE_UNKNOWN 0 #define CXD56_AUDAT_SEL_MIC1 0 #define CXD56_AUDAT_SEL_MIC2 1 #define CXD56_AUDAT_SEL_MIC3 2 #define CXD56_AUDAT_SEL_MIC4 3 #define CXD56_AUDAT_SEL_BUSIF1 4 #define CXD56_AUDAT_SEL_BUSIF2 4 #define CXD56_DMA_MSTATE_ERR_NO_ENABLE_CH 1 #define CXD56_DMA_MSTATE_ERR_CH1_4_INVALID 2 #define CXD56_DMA_MSTATE_ERR_CH5_8_INVALID 3 #define CXD56_DMA_MSTATE_BUF_EMPTY 3 #define CXD56_DMA_TIMEOUT 10000 #define CXD56_DMA_START_RETRY_CNT 10 #define CXD56_DMA_SMP_WAIT_HIRES 10 /* usec per sample. */ #define CXD56_DMA_SMP_WAIT_NORMALT 40 /* usec per sample. */ #define CXD56_DMA_CMD_FIFO_NOT_FULL 1 /**************************************************************************** * Public Function Prototypes ****************************************************************************/ /* Located in arch/arm/src/cxd56xx/cxd56_clock.c */ extern void cxd56_audio_clock_enable(uint32_t clk, uint32_t div); extern void cxd56_audio_clock_disable(void); extern bool cxd56_audio_clock_is_enabled(void); /* Located in arch/arm/src/cxd56xx/cxd56_farapistub.S */ extern uint32_t fw_as_acacontrol(uint8_t type, uint32_t param); /**************************************************************************** * Private Types ****************************************************************************/ /* CXD56 Audio register value definition */ struct cxd56_aureg_s { uint32_t addr; uint8_t pos; uint8_t len; }; typedef struct cxd56_aureg_s cxd56_aureg_t; /* DMA interrupt types */ enum cxd56_dma_int_e { CXD56_DMA_INT_DONE = 0x01, CXD56_DMA_INT_ERR = 0x02, CXD56_DMA_INT_SMP = 0x10, CXD56_DMA_INT_CMB = 0x20 }; /* Volume setting IDs */ enum cxd56_vol_id_e { CXD56_VOL_ID_MIXER_IN1, /* SDIN1_VOL */ CXD56_VOL_ID_MIXER_IN2, /* SDIN2_VOL */ CXD56_VOL_ID_MIXER_OUT /* DAC_VOL */ }; enum cxd56_pulco_ser_mode_id_e { CXD56_SER_MODE_UNKNOWN, CXD56_SER_MODE_8CH, /* 8ch */ CXD56_SER_MODE_4CH, /* 4ch */ CXD56_SER_MODE_MAX_ENTRY }; enum csd56_pulco_ser_fs_id_e { CXD56_SER_FS_UNKNOWN, CXD56_SER_FS_128, /* 128fs */ CXD56_SER_FS_64, /* 64fs */ CXD56_SER_FS_MAX_ENTRY }; enum cxd56_pulco_ser_sel_ch_id_e { CXD56_SER_SEL_FIX0 = 0, CXD56_SER_SEL_AMIC1 = 1, CXD56_SER_SEL_AMIC2 = 2, CXD56_SER_SEL_AMIC3 = 3, CXD56_SER_SEL_AMIC4 = 4, CXD56_SER_SEL_DMIC1 = 5, CXD56_SER_SEL_DMIC2 = 6, CXD56_SER_SEL_DMIC3 = 7, CXD56_SER_SEL_DMIC4 = 8, CXD56_SER_SEL_DMIC5 = 9, CXD56_SER_SEL_DMIC6 = 10, CXD56_SER_SEL_DMIC7 = 11, CXD56_SER_SEL_DMIC8 = 12, CXD56_SER_SEL_UNKNOWN = 15, CXD56_SER_SEL_MAX_ENTRY = 16 }; enum cxd56_sdes_des_sel_out_id_e { CXD56_SDES_DES_SEL_UNKNOWN, CXD56_SDES_DES_SEL_CH1, CXD56_SDES_DES_SEL_CH2, CXD56_SDES_DES_SEL_CH3, CXD56_SDES_DES_SEL_CH4, CXD56_SDES_DES_SEL_CH5, CXD56_SDES_DES_SEL_CH6, CXD56_SDES_DES_SEL_CH7, CXD56_SDES_DES_SEL_CH8, CXD56_SDES_DES_SEL_MAX_ENTRY }; struct cxd56_ser_des_param_s { enum cxd56_pulco_ser_mode_id_e ser_mode; enum csd56_pulco_ser_fs_id_e ser_fs; union { enum cxd56_pulco_ser_sel_ch_id_e in[CXD56_IN_CHANNELS_MAX]; enum cxd56_sdes_des_sel_out_id_e out[CXD56_IN_CHANNELS_MAX]; } sel_ch; }; enum cxd56_mic_type_e { CXD56_AUDIO_CFG_MIC_DEV_NONE = 0, CXD56_AUDIO_CFG_MIC_DEV_ANALOG, CXD56_AUDIO_CFG_MIC_DEV_DIGITAL, CXD56_AUDIO_CFG_MIC_DEV_ANADIG }; #if 0 /* TODO: Implement mic gain handling */ struct cxd56_audio_mic_gain_s { int32_t gain[CXD56_IN_CHANNELS_MAX]; }; #endif struct cxd56_aca_pwinput_param_s { enum cxd56_mic_type_e mic_dev; uint8_t mic_bias_sel; uint32_t mic_gain[4]; uint32_t pga_gain[4]; int32_t vgain[4]; }; struct cxd56_aca_pwon_param_s { uint8_t osc_mode; uint8_t mic_dev; uint8_t gpo_ds; uint8_t ad_data_ds; uint8_t dmic_clk_ds; uint8_t mclk_ds; }; struct cxd56_aca_smaster_param_s { uint8_t mode; uint8_t mck_fs; uint8_t pwm_mode; uint8_t ch_sel; uint8_t out2dly; }; struct cxd56_aca_pwoutput_param_s { uint8_t out_dev; uint8_t pwm_out[2]; uint8_t sp_delay; uint8_t loop_mode; uint8_t mode; uint8_t sp_dly_free; uint8_t sp_spliton; uint8_t sp_drv; }; /**************************************************************************** * Private Function Prototypes ****************************************************************************/ /* Interface functions */ #ifdef CONFIG_AUDIO_MULTI_SESSION static int cxd56_configure(FAR struct audio_lowerhalf_s *lower, FAR void *session, FAR const struct audio_caps_s *caps); static int cxd56_start(FAR struct audio_lowerhalf_s *lower, FAR void *session); #ifndef CONFIG_AUDIO_EXCLUDE_STOP static int cxd56_stop(FAR struct audio_lowerhalf_s *lower, FAR void *session); #endif /* CONFIG_AUDIO_EXCLUDE_STOP */ #ifndef CONFIG_AUDIO_EXCLUDE_PAUSE_RESUME static int cxd56_pause(FAR struct audio_lowerhalf_s *lower, FAR void *session); static int cxd56_resume(FAR struct audio_lowerhalf_s *lower, FAR void *session); #endif /* CONFIG_AUDIO_EXCLUDE_PAUSE_RESUME */ static int cxd56_reserve(FAR struct audio_lowerhalf_s *lower, FAR void** session); static int cxd56_release(FAR struct audio_lowerhalf_s *lower, FAR void *session); #else static int cxd56_configure(FAR struct audio_lowerhalf_s *lower, FAR const struct audio_caps_s *caps); static int cxd56_start(FAR struct audio_lowerhalf_s *lower); #ifndef CONFIG_AUDIO_EXCLUDE_STOP static int cxd56_stop(FAR struct audio_lowerhalf_s *lower); #endif /* CONFIG_AUDIO_EXCLUDE_STOP */ #ifndef CONFIG_AUDIO_EXCLUDE_PAUSE_RESUME static int cxd56_pause(FAR struct audio_lowerhalf_s *lower); static int cxd56_resume(FAR struct audio_lowerhalf_s *lower); #endif /* CONFIG_AUDIO_EXCLUDE_PAUSE_RESUME */ static int cxd56_reserve(FAR struct audio_lowerhalf_s *lower); static int cxd56_release(FAR struct audio_lowerhalf_s *lower); #endif /* CONFIG_AUDIO_MULTI_SESSION */ static int cxd56_getcaps(FAR struct audio_lowerhalf_s *lower, int type, FAR struct audio_caps_s *caps); static int cxd56_shutdown(FAR struct audio_lowerhalf_s *lower); static int cxd56_enqueuebuffer(FAR struct audio_lowerhalf_s *lower, FAR struct ap_buffer_s *apb); static int cxd56_cancelbuffer(FAR struct audio_lowerhalf_s *lower, FAR struct ap_buffer_s *apb); static int cxd56_ioctl(FAR struct audio_lowerhalf_s *lower, int cmd, unsigned long arg); /* Non-interface functions */ static int cxd56_attach_irq(bool attach); static void cxd56_enable_irq(bool enable); static uint32_t cxd56_get_i2s_rate(uint32_t samplerate); static void cxd56_get_mic_config(uint8_t *count, uint8_t *dev, uint8_t *mode); static void cxd56_init_dma(FAR struct cxd56_dev_s *dev); static void cxd56_init_i2s1_output(uint8_t bits); static void cxd56_init_mic_input(uint8_t mic_num, uint8_t bits); static int cxd56_init_worker(FAR struct audio_lowerhalf_s *lower); static uint8_t cxd56_get_mic_mode(void); static int cxd56_power_off(FAR struct cxd56_dev_s *dev); static int cxd56_power_on(FAR struct cxd56_dev_s *dev); static int cxd56_power_on_aca(uint32_t samplerate); static int cxd56_power_on_analog_output(FAR struct cxd56_dev_s *dev); static void cxd56_audio_power_on_cic(uint8_t mic_in, uint8_t mic_mode, uint8_t cic_num, FAR struct cxd56_audio_mic_gain_s *gain); static int cxd56_power_on_decim(uint8_t mic_mode, uint16_t samplerate); static void cxd56_power_on_i2s1(FAR struct cxd56_dev_s *dev); static int cxd56_power_on_input(FAR struct cxd56_dev_s *dev); static int cxd56_power_on_micbias(FAR struct cxd56_dev_s *dev); static int cxd56_start_dma(FAR struct cxd56_dev_s *dev); static int cxd56_stop_dma(FAR struct cxd56_dev_s *priv); static void cxd56_set_dma_int_en(bool enabled); static void cxd56_set_dma_running(cxd56_dmahandle_t handle, bool running); static void cxd56_set_mic_gains(uint8_t gain, struct cxd56_aca_pwinput_param_s *param); static void cxd56_set_mic_out_channel(FAR struct cxd56_dev_s *dev); static int cxd56_set_volume(enum cxd56_vol_id_e id, int16_t vol); static void cxd56_swap_buffer_rl(uint32_t addr, uint16_t size); static void *cxd56_workerthread(pthread_addr_t pvarg); /**************************************************************************** * Private Data ****************************************************************************/ static struct cxd56_dev_s *g_dev[CXD56_AUDIO_DMA_COUNT] = { NULL }; static uint16_t g_codec_start_count = 0; static const struct audio_ops_s g_audioops = { cxd56_getcaps, /* getcaps */ cxd56_configure, /* configure */ cxd56_shutdown, /* shutdown */ cxd56_start, /* start */ #ifndef CONFIG_AUDIO_EXCLUDE_STOP cxd56_stop, /* stop */ #endif #ifndef CONFIG_AUDIO_EXCLUDE_PAUSE_RESUME cxd56_pause, /* pause */ cxd56_resume, /* resume */ #endif NULL, /* alloc_buffer */ NULL, /* free_buffer */ cxd56_enqueuebuffer, /* enqueue_buffer */ cxd56_cancelbuffer, /* cancel_buffer */ cxd56_ioctl, /* ioctl */ NULL, /* read */ NULL, /* write */ cxd56_reserve, /* reserve */ cxd56_release /* release */ }; /* AC registers */ const cxd56_aureg_t REG_AC_REVID = { REG_BASE + 0x0000, 16, 8 }; const cxd56_aureg_t REG_AC_DEVICEID = { REG_BASE + 0x0000, 24, 8 }; const cxd56_aureg_t REG_AC_PDN_AMICEXT = { REG_BASE + 0x0100, 4, 1 }; const cxd56_aureg_t REG_AC_PDN_AMIC1 = { REG_BASE + 0x0100, 5, 1 }; const cxd56_aureg_t REG_AC_PDN_AMIC2 = { REG_BASE + 0x0100, 6, 1 }; const cxd56_aureg_t REG_AC_PDN_DMIC = { REG_BASE + 0x0100, 15, 1 }; const cxd56_aureg_t REG_AC_PDN_DSPB = { REG_BASE + 0x0100, 16, 1 }; const cxd56_aureg_t REG_AC_PDN_ANC = { REG_BASE + 0x0100, 17, 1 }; const cxd56_aureg_t REG_AC_PDN_DNC1 = { REG_BASE + 0x0100, 18, 1 }; const cxd56_aureg_t REG_AC_PDN_DNC2 = { REG_BASE + 0x0100, 19, 1 }; const cxd56_aureg_t REG_AC_PDN_SMSTR = { REG_BASE + 0x0100, 20, 1 }; const cxd56_aureg_t REG_AC_PDN_DSPS2 = { REG_BASE + 0x0100, 21, 1 }; const cxd56_aureg_t REG_AC_PDN_DSPS1 = { REG_BASE + 0x0100, 22, 1 }; const cxd56_aureg_t REG_AC_PDN_DSPC = { REG_BASE + 0x0100, 23, 1 }; const cxd56_aureg_t REG_AC_FS_FS = { REG_BASE + 0x0104, 0, 1 }; const cxd56_aureg_t REG_AC_DECIM0_EN = { REG_BASE + 0x0104, 16, 1 }; const cxd56_aureg_t REG_AC_DECIM1_EN = { REG_BASE + 0x0104, 17, 1 }; const cxd56_aureg_t REG_AC_SDES_EN = { REG_BASE + 0x0104, 18, 1 }; const cxd56_aureg_t REG_AC_MCK_AHBMSTR_EN = { REG_BASE + 0x0104, 19, 1 }; const cxd56_aureg_t REG_AC_AU_DAT_SEL2 = { REG_BASE + 0x0108, 16, 3 }; const cxd56_aureg_t REG_AC_AU_DAT_SEL1 = { REG_BASE + 0x0108, 20, 3 }; const cxd56_aureg_t REG_AC_AU_COD_INSEL3 = { REG_BASE + 0x0108, 24, 2 }; const cxd56_aureg_t REG_AC_AU_COD_INSEL2 = { REG_BASE + 0x0108, 26, 2 }; const cxd56_aureg_t REG_AC_DSR_RATE = { REG_BASE + 0x0200, 0, 3 }; const cxd56_aureg_t REG_AC_DIGSFT = { REG_BASE + 0x0200, 12, 1 }; const cxd56_aureg_t REG_AC_SRC1 = { REG_BASE + 0x0200, 16, 2 }; const cxd56_aureg_t REG_AC_SRC1IN_SEL = { REG_BASE + 0x0200, 18, 2 }; const cxd56_aureg_t REG_AC_SRC2IN_SEL = { REG_BASE + 0x0200, 22, 2 }; const cxd56_aureg_t REG_AC_DIF1 = { REG_BASE + 0x0200, 27, 1 }; const cxd56_aureg_t REG_AC_SD1MASTER = { REG_BASE + 0x0200, 29, 1 }; const cxd56_aureg_t REG_AC_SDCK_OUTENX = { REG_BASE + 0x0200, 30, 1 }; const cxd56_aureg_t REG_AC_HPF2_MODE = { REG_BASE + 0x0204, 0, 2 }; const cxd56_aureg_t REG_AC_CIC2_GAIN_MODE = { REG_BASE + 0x0204, 8, 1 }; const cxd56_aureg_t REG_AC_CIC2IN_SEL = { REG_BASE + 0x0204, 9, 1 }; const cxd56_aureg_t REG_AC_HPF1_MODE = { REG_BASE + 0x0204, 16, 2 }; const cxd56_aureg_t REG_AC_CIC1_GAIN_MODE = { REG_BASE + 0x0204, 24, 1 }; const cxd56_aureg_t REG_AC_CIC1IN_SEL = { REG_BASE + 0x0204, 25, 1 }; const cxd56_aureg_t REG_AC_ADC_FS = { REG_BASE + 0x0204, 28, 2 }; const cxd56_aureg_t REG_AC_HPF4_MODE = { REG_BASE + 0x0208, 0, 2 }; const cxd56_aureg_t REG_AC_CIC4IN_SEL = { REG_BASE + 0x0208, 9, 1 }; const cxd56_aureg_t REG_AC_HPF3_MODE = { REG_BASE + 0x0208, 16, 2 }; const cxd56_aureg_t REG_AC_CIC3IN_SEL = { REG_BASE + 0x0208, 25, 1 }; const cxd56_aureg_t REG_AC_CIC1_RGAIN = { REG_BASE + 0x020c, 0, 16 }; const cxd56_aureg_t REG_AC_CIC1_LGAIN = { REG_BASE + 0x020c, 16, 16 }; const cxd56_aureg_t REG_AC_CIC2_RGAIN = { REG_BASE + 0x0210, 0, 16 }; const cxd56_aureg_t REG_AC_CIC2_LGAIN = { REG_BASE + 0x0210, 16, 16 }; const cxd56_aureg_t REG_AC_CIC3_RGAIN = { REG_BASE + 0x0214, 0, 16 }; const cxd56_aureg_t REG_AC_CIC3_LGAIN = { REG_BASE + 0x0214, 16, 16 }; const cxd56_aureg_t REG_AC_CIC4_RGAIN = { REG_BASE + 0x0218, 0, 16 }; const cxd56_aureg_t REG_AC_CIC4_LGAIN = { REG_BASE + 0x0218, 16, 16 }; const cxd56_aureg_t REG_AC_SPC_EN = { REG_BASE + 0x021c, 15, 1 }; const cxd56_aureg_t REG_AC_ALC_EN = { REG_BASE + 0x021c, 31, 1 }; const cxd56_aureg_t REG_AC_CS_VOL = { REG_BASE + 0x0228, 0, 7 }; const cxd56_aureg_t REG_AC_CS_SIGN = { REG_BASE + 0x0228, 7, 1 }; const cxd56_aureg_t REG_AC_SDIN2_VOL = { REG_BASE + 0x0228, 16, 8 }; const cxd56_aureg_t REG_AC_SDIN1_VOL = { REG_BASE + 0x0228, 24, 8 }; const cxd56_aureg_t REG_AC_SDIN1_EN = { REG_BASE + 0x022c, 0, 1 }; const cxd56_aureg_t REG_AC_SDIN2_EN = { REG_BASE + 0x022c, 1, 1 }; const cxd56_aureg_t REG_AC_SDOUT1_EN = { REG_BASE + 0x022c, 2, 1 }; const cxd56_aureg_t REG_AC_SDOUT2_EN = { REG_BASE + 0x022c, 3, 1 }; const cxd56_aureg_t REG_AC_BLF_EN = { REG_BASE + 0x022c, 5, 1 }; const cxd56_aureg_t REG_AC_DAC_VOL = { REG_BASE + 0x022c, 8, 8 }; const cxd56_aureg_t REG_AC_DNC2_MUTE = { REG_BASE + 0x0304, 22, 1 }; const cxd56_aureg_t REG_AC_DNC2_START = { REG_BASE + 0x0304, 23, 1 }; const cxd56_aureg_t REG_AC_DNC1_MUTE = { REG_BASE + 0x0304, 30, 1 }; const cxd56_aureg_t REG_AC_DNC1_START = { REG_BASE + 0x0304, 31, 1 }; const cxd56_aureg_t REG_AC_DCMFS_34 = { REG_BASE + 0x0308, 22, 2 }; const cxd56_aureg_t REG_AC_DCMFS = { REG_BASE + 0x0308, 30, 2 }; const cxd56_aureg_t REG_AC_NSX2 = { REG_BASE + 0x0340, 30, 1 }; const cxd56_aureg_t REG_AC_NSPMUTE = { REG_BASE + 0x0340, 31, 1 }; const cxd56_aureg_t REG_AC_NSDD = { REG_BASE + 0x0344, 0, 20 }; const cxd56_aureg_t REG_AC_TEST_OUT_SEL0 = { REG_BASE + 0x0400, 6, 1 }; const cxd56_aureg_t REG_AC_SER_MODE = { REG_BASE + 0x0500, 0, 1 }; const cxd56_aureg_t REG_AC_PDM_OUT_EN = { REG_BASE + 0x0500, 16, 1 }; const cxd56_aureg_t REG_AC_FS_CLK_EN = { REG_BASE + 0x0500, 24, 1 }; const cxd56_aureg_t REG_AC_SEL_OUT4_R = { REG_BASE + 0x0504, 0, 3 }; const cxd56_aureg_t REG_AC_SEL_OUT4_L = { REG_BASE + 0x0504, 4, 3 }; const cxd56_aureg_t REG_AC_SEL_OUT3_R = { REG_BASE + 0x0504, 8, 3 }; const cxd56_aureg_t REG_AC_SEL_OUT3_L = { REG_BASE + 0x0504, 12, 3 }; const cxd56_aureg_t REG_AC_SEL_OUT2_R = { REG_BASE + 0x0504, 16, 3 }; const cxd56_aureg_t REG_AC_SEL_OUT2_L = { REG_BASE + 0x0504, 20, 3 }; const cxd56_aureg_t REG_AC_SEL_OUT1_R = { REG_BASE + 0x0504, 24, 3 }; const cxd56_aureg_t REG_AC_SEL_OUT1_L = { REG_BASE + 0x0504, 28, 3 }; const cxd56_aureg_t REG_AC_OUTEN_MIC1L_B = { REG_BASE + 0x0580, 0, 1 }; const cxd56_aureg_t REG_AC_OUTEN_MIC1R_B = { REG_BASE + 0x0580, 1, 1 }; const cxd56_aureg_t REG_AC_OUTEN_MIC2L_B = { REG_BASE + 0x0580, 2, 1 }; const cxd56_aureg_t REG_AC_OUTEN_MIC2R_B = { REG_BASE + 0x0580, 3, 1 }; const cxd56_aureg_t REG_AC_OUTEN_MIC1L_A = { REG_BASE + 0x0580, 4, 1 }; const cxd56_aureg_t REG_AC_OUTEN_MIC1R_A = { REG_BASE + 0x0580, 5, 1 }; const cxd56_aureg_t REG_AC_OUTEN_MIC2L_A = { REG_BASE + 0x0580, 6, 1 }; const cxd56_aureg_t REG_AC_OUTEN_MIC2R_A = { REG_BASE + 0x0580, 7, 1 }; const cxd56_aureg_t REG_AC_SEL_OUTF = { REG_BASE + 0x0580, 16, 2 }; const cxd56_aureg_t REG_AC_SEL_INF = { REG_BASE + 0x0580, 20, 1 }; const cxd56_aureg_t REG_AC_SEL_DECIM = { REG_BASE + 0x0580, 24, 1 }; const cxd56_aureg_t REG_AC_DEQ_EN = { REG_BASE + 0x0600, 31, 1 }; const cxd56_aureg_t REG_AC_LR_SWAP1 = { REG_BASE + 0x0678, 0, 1 }; /* BCA registers */ const cxd56_aureg_t REG_MIC_IN_START_ADR = { REG_BASE + 0x1000, 0, 30 }; const cxd56_aureg_t REG_MIC_IN_SAMPLE_NO = { REG_BASE + 0x1004, 0, 32 }; const cxd56_aureg_t REG_MIC_RTD_TRG = { REG_BASE + 0x1008, 0, 3 }; const cxd56_aureg_t REG_MIC_IN_BITWT = { REG_BASE + 0x100c, 0, 1 }; const cxd56_aureg_t REG_MIC_CH8_SEL = { REG_BASE + 0x1010, 0, 4 }; const cxd56_aureg_t REG_MIC_CH7_SEL = { REG_BASE + 0x1010, 4, 4 }; const cxd56_aureg_t REG_MIC_CH6_SEL = { REG_BASE + 0x1010, 8, 4 }; const cxd56_aureg_t REG_MIC_CH5_SEL = { REG_BASE + 0x1010, 12, 4 }; const cxd56_aureg_t REG_MIC_CH4_SEL = { REG_BASE + 0x1010, 16, 4 }; const cxd56_aureg_t REG_MIC_CH3_SEL = { REG_BASE + 0x1010, 20, 4 }; const cxd56_aureg_t REG_MIC_CH2_SEL = { REG_BASE + 0x1010, 24, 4 }; const cxd56_aureg_t REG_MIC_CH1_SEL = { REG_BASE + 0x1010, 28, 4 }; const cxd56_aureg_t REG_MIC_MON_START = { REG_BASE + 0x1014, 0, 1 }; const cxd56_aureg_t REG_MIC_MON_ERRSET = { REG_BASE + 0x1014, 8, 8 }; const cxd56_aureg_t REG_MIC_MON_MONBUF = { REG_BASE + 0x1014, 16, 4 }; const cxd56_aureg_t REG_I2S1_OUT_START_ADR = { REG_BASE + 0x10c0, 0, 30 }; const cxd56_aureg_t REG_I2S1_OUT_SAMPLE_NO = { REG_BASE + 0x10c4, 0, 32 }; const cxd56_aureg_t REG_I2S1_OUT_RTD_TRG = { REG_BASE + 0x10c8, 0, 3 }; const cxd56_aureg_t REG_I2S1_OUT_BITWT = { REG_BASE + 0x10cc, 0, 1 }; const cxd56_aureg_t REG_I2S1_OUT_SD1_R_SEL = { REG_BASE + 0x10d0, 0, 2 }; const cxd56_aureg_t REG_I2S1_OUT_SD1_L_SEL = { REG_BASE + 0x10d0, 4, 2 }; const cxd56_aureg_t REG_I2S1_OUT_MON_START = { REG_BASE + 0x10d4, 0, 1 }; const cxd56_aureg_t REG_I2S1_OUT_MON_ERRSET = { REG_BASE + 0x10d4, 8, 8 }; const cxd56_aureg_t REG_I2S1_OUT_MON_MONBUF = { REG_BASE + 0x10d4, 16, 4 }; const cxd56_aureg_t REG_I2S_ENSEL = { REG_BASE + 0x1110, 0, 1 }; const cxd56_aureg_t REG_MIC_INT_CTRL_DONE = { REG_BASE + 0x1140, 0, 1 }; const cxd56_aureg_t REG_MIC_INT_CTRL_ERR = { REG_BASE + 0x1140, 1, 1 }; const cxd56_aureg_t REG_MIC_INT_CTRL_SMP = { REG_BASE + 0x1140, 2, 1 }; const cxd56_aureg_t REG_MIC_INT_CTRL_CMB = { REG_BASE + 0x1140, 3, 1 }; const cxd56_aureg_t REG_I2S1_INT_CTRL_DONE = { REG_BASE + 0x1144, 0, 1 }; const cxd56_aureg_t REG_I2S1_INT_CTRL_ERR = { REG_BASE + 0x1144, 1, 1 }; const cxd56_aureg_t REG_I2S1_INT_CTRL_SMP = { REG_BASE + 0x1144, 4, 1 }; const cxd56_aureg_t REG_I2S1_INT_CTRL_CMB = { REG_BASE + 0x1144, 5, 1 }; const cxd56_aureg_t REG_MIC_INT_MASK_DONE = { REG_BASE + 0x114c, 0, 1 }; const cxd56_aureg_t REG_MIC_INT_MASK_ERR = { REG_BASE + 0x114c, 1, 1 }; const cxd56_aureg_t REG_MIC_INT_MASK_CMB = { REG_BASE + 0x114c, 3, 1 }; const cxd56_aureg_t REG_I2S1_INT_MASK_DONE = { REG_BASE + 0x1150, 0, 1 }; const cxd56_aureg_t REG_I2S1_INT_MASK_ERR = { REG_BASE + 0x1150, 1, 1 }; const cxd56_aureg_t REG_I2S1_INT_MASK_SMP = { REG_BASE + 0x1150, 4, 1 }; const cxd56_aureg_t REG_I2S1_INT_MASK_CMB = { REG_BASE + 0x1150, 5, 1 }; const cxd56_aureg_t REG_INT_M_I2S1_BCL_ERR1 = { REG_BASE + 0x1158, 8, 1 }; const cxd56_aureg_t REG_INT_M_I2S1_BCL_ERR2 = { REG_BASE + 0x1158, 9, 1 }; const cxd56_aureg_t REG_INT_M_OVF_SMASL = { REG_BASE + 0x1158, 17, 1 }; const cxd56_aureg_t REG_INT_M_OVF_SMASR = { REG_BASE + 0x1158, 18, 1 }; const cxd56_aureg_t REG_INT_HRESP_ERR = { REG_BASE + 0x1160, 0, 1 }; const cxd56_aureg_t REG_CLK_EN_AHBMSTR_MIC = { REG_BASE + 0x11f0, 0, 1 }; const cxd56_aureg_t REG_CLK_EN_AHBMSTR_I2S1 = { REG_BASE + 0x11f0, 1, 1 }; const cxd56_aureg_t REG_AHB_MASTER_MIC_MASK = { REG_BASE + 0x1730, 0, 32 }; const cxd56_aureg_t REG_AHB_MASTER_I2S1_MASK = { REG_BASE + 0x1f30, 0, 32 }; /* Interrupt registers */ const cxd56_aureg_t REG_INT_IRQ1 = { REG_BASE_INT + 0x30 + 3 * 4, 0, 32 }; const cxd56_aureg_t REG_INT_EN1 = { REG_BASE_INT + 0x10 + 3 * 4, 0, 32 }; const cxd56_aureg_t REG_INT_EN1_BITS = { REG_BASE_INT + 0x10 + 3 * 4, 6, 4 }; /**************************************************************************** * Private Functions ****************************************************************************/ static uint32_t read_reg_addr(const cxd56_aureg_t *reg) { uint32_t mask; mask = CXD56_GEN_MASK(reg->len, reg->pos); return (*((volatile uint32_t *)reg->addr) & mask) >> reg->pos; } static void write_reg_addr(const cxd56_aureg_t *reg, uint32_t val) { uint32_t mask; uint32_t curr; mask = CXD56_GEN_MASK(reg->len, reg->pos); curr = *((volatile uint32_t *)reg->addr) & ~mask; *((volatile uint32_t *)reg->addr) = curr | ((val << reg->pos) & mask); } #define read_reg(reg) (read_reg_addr(&(reg))) #define read_reg32(reg) (*((volatile uint32_t *)(reg).addr)) #define write_reg(reg, val) (write_reg_addr(&(reg), (val))) #define write_reg32(reg, val) (*((volatile uint32_t *)(reg).addr) = (val)) static void cxd56_int_clear(cxd56_dmahandle_t handle, uint8_t intbits) { if (handle == CXD56_AUDIO_DMA_MIC) { if (intbits > CXD56_DMA_INT_ERR) { intbits = (intbits & 0x0f) | ((intbits & 0xf0) >> 2); } write_reg32(REG_MIC_INT_CTRL_DONE, intbits); } else if (handle == CXD56_AUDIO_DMA_I2S0_DOWN) { write_reg32(REG_I2S1_INT_CTRL_DONE, intbits); } } static void cxd56_int_mask(cxd56_dmahandle_t handle, uint8_t intbits) { if (handle == CXD56_AUDIO_DMA_MIC) { if (intbits > CXD56_DMA_INT_ERR) { intbits = (intbits & 0x0f) | ((intbits & 0xf0) >> 2); } intbits |= read_reg32(REG_MIC_INT_MASK_DONE); write_reg32(REG_MIC_INT_MASK_DONE, intbits); } else if (handle == CXD56_AUDIO_DMA_I2S0_DOWN) { intbits |= read_reg32(REG_I2S1_INT_MASK_DONE); write_reg32(REG_I2S1_INT_MASK_DONE, intbits); } } static void cxd56_int_unmask(cxd56_dmahandle_t handle, uint8_t intbits) { uint32_t curr; if (handle == CXD56_AUDIO_DMA_MIC) { if (intbits > CXD56_DMA_INT_ERR) { intbits = (intbits & 0x0f) | ((intbits & 0xf0) >> 2); } curr = read_reg32(REG_MIC_INT_MASK_DONE); write_reg32(REG_MIC_INT_MASK_DONE, curr & ~intbits); } else if (handle == CXD56_AUDIO_DMA_I2S0_DOWN) { curr = read_reg32(REG_I2S1_INT_MASK_DONE); write_reg32(REG_I2S1_INT_MASK_DONE, curr & ~intbits); } } static void cxd56_int_unmask_ahb(cxd56_dmahandle_t handle) { if (handle == CXD56_AUDIO_DMA_MIC) { write_reg32(REG_AHB_MASTER_MIC_MASK, 0x00000303); } else if (handle == CXD56_AUDIO_DMA_I2S0_DOWN) { write_reg32(REG_AHB_MASTER_I2S1_MASK, 0x00000202); } } static uint32_t cxd56_int_get_state(cxd56_dmahandle_t handle) { if (handle == CXD56_AUDIO_DMA_MIC) { return (0x3f & read_reg32(REG_MIC_INT_CTRL_DONE) & ~(read_reg32(REG_MIC_INT_MASK_DONE))); } else if (handle == CXD56_AUDIO_DMA_I2S0_DOWN) { return (0x3f & read_reg32(REG_I2S1_INT_CTRL_DONE) & ~(read_reg32(REG_I2S1_INT_MASK_DONE))); } return 0; } static uint32_t cxd56_int_has_error(cxd56_dmahandle_t handle) { if (handle == CXD56_AUDIO_DMA_MIC) { return read_reg(REG_MIC_INT_CTRL_ERR); } else if (handle == CXD56_AUDIO_DMA_I2S0_DOWN) { return read_reg(REG_I2S1_INT_CTRL_ERR); } return 0; } static uint32_t cxd56_int_is_done(cxd56_dmahandle_t handle) { if (handle == CXD56_AUDIO_DMA_MIC) { return read_reg(REG_MIC_INT_CTRL_DONE); } else if (handle == CXD56_AUDIO_DMA_I2S0_DOWN) { return read_reg(REG_I2S1_INT_CTRL_DONE); } return 0; } static uint32_t cxd56_int_has_smp(cxd56_dmahandle_t handle) { if (handle == CXD56_AUDIO_DMA_MIC) { return read_reg(REG_MIC_INT_CTRL_SMP); } else if (handle == CXD56_AUDIO_DMA_I2S0_DOWN) { return read_reg(REG_I2S1_INT_CTRL_SMP); } return 0; } static uint8_t cxd56_get_mon_buf(cxd56_dmahandle_t handle) { if (handle == CXD56_AUDIO_DMA_MIC) { return read_reg(REG_MIC_MON_MONBUF); } else if (handle == CXD56_AUDIO_DMA_I2S0_DOWN) { return read_reg(REG_I2S1_OUT_MON_MONBUF); } return 0; } static uint8_t cxd56_get_mon_err(cxd56_dmahandle_t handle) { if (handle == CXD56_AUDIO_DMA_MIC) { return read_reg(REG_MIC_MON_ERRSET); } else if (handle == CXD56_AUDIO_DMA_I2S0_DOWN) { return read_reg(REG_I2S1_OUT_MON_ERRSET); } return 0; } static uint8_t cxd56_dma_is_busy(cxd56_dmahandle_t handle) { if (handle == CXD56_AUDIO_DMA_MIC) { return read_reg(REG_MIC_RTD_TRG) != CXD56_DMA_CMD_FIFO_NOT_FULL; } else if (handle == CXD56_AUDIO_DMA_I2S0_DOWN) { return read_reg(REG_I2S1_OUT_RTD_TRG) != CXD56_DMA_CMD_FIFO_NOT_FULL; } return 0; } static void cxd56_reset_channel_sel(cxd56_dmahandle_t handle) { uint32_t sel; if (handle == CXD56_AUDIO_DMA_MIC) { sel = read_reg32(REG_MIC_CH8_SEL); write_reg32(REG_MIC_CH8_SEL, 0xffffffff); write_reg32(REG_MIC_CH8_SEL, sel); } else if (handle == CXD56_AUDIO_DMA_I2S0_DOWN) { sel = read_reg32(REG_I2S1_OUT_SD1_R_SEL); write_reg32(REG_I2S1_OUT_SD1_R_SEL, 0xffffffff); write_reg32(REG_I2S1_OUT_SD1_R_SEL, sel); } } #ifdef CONFIG_CXD56_AUCIO_SRC static void _process_audio_with_src(cxd56_dmahandle_t hdl, uint16_t err_code) { struct audio_msg_s msg; struct cxd56_dev_s *dev; irqstate_t flags; bool request_buffer = true; int ret; dev = g_dev[hdl]; /* Trigger new DMA job */ flags = spin_lock_irqsave(&dev->lock); if (err_code == CXD56_AUDIO_ECODE_DMA_TRANS) { /* Notify end of data */ if (dev->state != CXD56_DEV_STATE_PAUSED && dq_count(&dev->down_pendq) == 0) { msg.msg_id = AUDIO_MSG_STOP; msg.u.data = 0; spin_unlock_irqrestore(&dev->lock, flags); ret = file_mq_send(&dev->mq, (FAR const char *)&msg, sizeof(msg), CONFIG_CXD56_MSG_PRIO); flags = spin_lock_irqsave(&dev->lock); if (ret != OK) { auderr("ERROR: file_mq_send to stop failed (%d)\n", ret); } } } if (dq_count(&dev->down_runq) > 0) { FAR struct ap_buffer_s *src_apb; src_apb = (struct ap_buffer_s *) dq_get(&dev->down_runq); src_apb->nbytes = 0; dq_put(&dev->down_doneq, &src_apb->dq_entry); if (src_apb->flags & AUDIO_APB_SRC_FINAL) { struct ap_buffer_s *apb; apb = dq_get(&dev->up_runq); spin_unlock_irqrestore(&dev->lock, flags); dev->dev.upper(dev->dev.priv, AUDIO_CALLBACK_DEQUEUE, apb, OK); flags = spin_lock_irqsave(&dev->lock); /* End of data? */ if ((apb->flags & AUDIO_APB_FINAL) != 0) { msg.msg_id = AUDIO_MSG_STOP; msg.u.data = 0; spin_unlock_irqrestore(&dev->lock, flags); ret = file_mq_send(&dev->mq, (FAR const char *)&msg, sizeof(msg), CONFIG_CXD56_MSG_PRIO); flags = spin_lock_irqsave(&dev->lock); if (ret != OK) { auderr("ERROR: file_mq_send to stop failed (%d)\n", ret); } request_buffer = false; } } } if (request_buffer && dev->mq.f_inode != NULL) { /* Request more data */ msg.msg_id = AUDIO_MSG_DATA_REQUEST; msg.u.data = 0; spin_unlock_irqrestore(&dev->lock, flags); ret = file_mq_send(&dev->mq, (FAR const char *) &msg, sizeof(msg), CONFIG_CXD56_MSG_PRIO); flags = spin_lock_irqsave(&dev->lock); if (ret != OK) { auderr("ERROR: file_mq_send to request failed (%d)\n", ret); } } spin_unlock_irqrestore(&dev->lock, flags); } #else static void _process_audio(cxd56_dmahandle_t hdl, uint16_t err_code) { struct audio_msg_s msg; struct cxd56_dev_s *dev; irqstate_t flags; int ret; dev = g_dev[hdl]; /* Trigger new DMA job */ flags = spin_lock_irqsave(&dev->lock); if (dq_count(&dev->up_runq) > 0) { FAR struct ap_buffer_s *apb; apb = (struct ap_buffer_s *) dq_get(&dev->up_runq); spin_unlock_irqrestore(&dev->lock, flags); dev->dev.upper(dev->dev.priv, AUDIO_CALLBACK_DEQUEUE, apb, OK); flags = spin_lock_irqsave(&dev->lock); } spin_unlock_irqrestore(&dev->lock, flags); if (err_code == CXD56_AUDIO_ECODE_DMA_TRANS) { /* Notify end of data */ if (dev->state != CXD56_DEV_STATE_PAUSED) { audinfo("DMA_TRANS up_pendq=%d \n", dq_count(&dev->up_pendq)); msg.msg_id = AUDIO_MSG_STOP; msg.u.data = 0; ret = file_mq_send(&dev->mq, (FAR const char *)&msg, sizeof(msg), CONFIG_CXD56_MSG_PRIO); if (ret != OK) { auderr("ERROR: file_mq_send to stop failed (%d)\n", ret); } } } else if (dev->mq.f_inode != NULL) { /* Request more data */ msg.msg_id = AUDIO_MSG_DATA_REQUEST; msg.u.data = 0; ret = file_mq_send(&dev->mq, (FAR const char *) &msg, sizeof(msg), CONFIG_CXD56_MSG_PRIO); if (ret != OK) { auderr("ERROR: file_mq_send to request failed (%d)\n", ret); } } } #endif static void cxd56_dma_int_handler(void) { uint16_t err_code; uint32_t int_irq; uint32_t int_i2s; uint32_t int_mic; cxd56_dmahandle_t hdl; err_code = CXD56_AUDIO_ECODE_DMA_HANDLE_INV; int_irq = read_reg32(REG_INT_IRQ1); int_i2s = cxd56_int_get_state(CXD56_AUDIO_DMA_I2S0_DOWN); int_mic = cxd56_int_get_state(CXD56_AUDIO_DMA_MIC); if ((int_irq & CXD56_IRQ1_BIT_MIC) && (int_mic != 0)) { hdl = CXD56_AUDIO_DMA_MIC; write_reg32(REG_MIC_INT_CTRL_DONE, int_mic); if (int_mic & (1 << REG_MIC_INT_CTRL_DONE.pos)) { err_code = CXD56_AUDIO_ECODE_DMA_CMPLT; } if (int_mic & (1 << REG_MIC_INT_CTRL_ERR.pos)) { /* Mask and clear transfer error interrupt */ write_reg(REG_MIC_INT_MASK_ERR, 1); write_reg(REG_MIC_INT_CTRL_ERR, 1); err_code = CXD56_AUDIO_ECODE_DMA_TRANS; } if (int_mic & (1 << REG_MIC_INT_CTRL_CMB.pos)) { /* Mask and clear bus error interrupt */ write_reg(REG_MIC_INT_MASK_CMB, 1); write_reg(REG_MIC_INT_CTRL_CMB, 1); err_code = CXD56_AUDIO_ECODE_DMA_CMB; } } else if ((int_irq & CXD56_IRQ1_BIT_I2S1) && (int_i2s != 0)) { hdl = CXD56_AUDIO_DMA_I2S0_DOWN; write_reg32(REG_I2S1_INT_CTRL_DONE, int_i2s); if (int_i2s & (1 << REG_I2S1_INT_CTRL_DONE.pos)) { err_code = CXD56_AUDIO_ECODE_DMA_CMPLT; } if (int_i2s & (1 << REG_I2S1_INT_CTRL_ERR.pos)) { /* Mask and clear transfer error interrupt */ write_reg(REG_I2S1_INT_MASK_ERR, 1); write_reg(REG_I2S1_INT_CTRL_ERR, 1); err_code = CXD56_AUDIO_ECODE_DMA_TRANS; auderr("ERROR: I2S0 transfer failed.\n"); } if (int_i2s & (1 << REG_I2S1_INT_CTRL_CMB.pos)) { /* Mask and clear bus error interrupt */ write_reg(REG_I2S1_INT_MASK_CMB, 1); write_reg(REG_I2S1_INT_CTRL_CMB, 1); err_code = CXD56_AUDIO_ECODE_DMA_CMB; auderr("ERROR: I2S0 bus error.\n"); } } else { audinfo("Unhandled interrupt\n"); return; } if (err_code != CXD56_AUDIO_ECODE_DMA_HANDLE_INV) { #ifdef CONFIG_CXD56_AUCIO_SRC _process_audio_with_src(hdl, err_code); #else _process_audio(hdl, err_code); #endif } } static int cxd56_attach_irq(bool attach) { int ret; int cur_irq; const int audio_irqs[4] = { CXD56_IRQ_AUDIO_0, CXD56_IRQ_AUDIO_1, CXD56_IRQ_AUDIO_2, CXD56_IRQ_AUDIO_3 }; cur_irq = 4; if (attach) { do { cur_irq--; ret = irq_attach(audio_irqs[cur_irq], (xcpt_t)cxd56_dma_int_handler, NULL); if (ret != OK) { auderr("ERROR: Failed to attach handler to irq %d. (%d)\n", cur_irq, ret); return ret; } } while (cur_irq > 0); } else { do { cur_irq--; ret = irq_detach(audio_irqs[cur_irq]); if (ret != OK) { auderr("ERROR: Failed to detach handler from irq %d. (%d)\n", cur_irq, ret); return ret; } } while (cur_irq > 0); } return OK; } static void cxd56_enable_irq(bool enable) { if (enable) { up_enable_irq(CXD56_IRQ_AUDIO_0); up_enable_irq(CXD56_IRQ_AUDIO_1); up_enable_irq(CXD56_IRQ_AUDIO_2); } else { up_disable_irq(CXD56_IRQ_AUDIO_0); up_disable_irq(CXD56_IRQ_AUDIO_1); up_disable_irq(CXD56_IRQ_AUDIO_2); } } static int cxd56_set_volume(enum cxd56_vol_id_e id, int16_t vol) { int ret; if (vol == CXD56_VOL_MUTE) { vol = CXD56_VOL_MUTE_REG; } else { vol = CXD56_VOL_TO_REG(vol); } switch (id) { case CXD56_VOL_ID_MIXER_IN1: write_reg(REG_AC_SDIN1_VOL, vol); break; case CXD56_VOL_ID_MIXER_IN2: write_reg(REG_AC_SDIN2_VOL, vol); break; case CXD56_VOL_ID_MIXER_OUT: write_reg(REG_AC_DAC_VOL, vol); break; } if (vol == CXD56_VOL_MUTE_REG) { /* Disable analog out */ ret = fw_as_acacontrol(CXD56_ACA_CTL_SET_OUTPUT_DEVICE, (uint32_t)CXD56_OUT_DEV_OFF); if (ret != CXD56_AUDIO_ECODE_OK) { auderr("ERROR: Set output device for mute failed (%d)\n", ret); return -EBUSY; } } else { /* Enable analog out */ ret = fw_as_acacontrol(CXD56_ACA_CTL_SET_OUTPUT_DEVICE, (uint32_t)CXD56_OUT_DEV_SP); if (ret != CXD56_AUDIO_ECODE_OK) { auderr("ERROR: Set output device for volume failed (%d)\n", ret); return -EBUSY; } } return OK; } static void cxd56_init_mic_input(uint8_t mic_num, uint8_t bits) { uint8_t i; cxd56_aureg_t mic_ch_sel[] = { REG_MIC_CH1_SEL, REG_MIC_CH2_SEL, REG_MIC_CH3_SEL, REG_MIC_CH4_SEL, REG_MIC_CH5_SEL, REG_MIC_CH6_SEL, REG_MIC_CH7_SEL, REG_MIC_CH8_SEL }; if (bits == 16) { mic_num = (mic_num > (CXD56_MIC_TRANS_CH_16BIT * 2)) ? CXD56_MIC_TRANS_CH_16BIT : (mic_num + 1) / 2; write_reg(REG_MIC_IN_BITWT, 1); } else { mic_num = (mic_num > CXD56_MIC_TRANS_CH_24BIT) ? CXD56_MIC_TRANS_CH_24BIT : mic_num; write_reg(REG_MIC_IN_BITWT, 0); } for (i = 0; i < mic_num; i++) { write_reg(mic_ch_sel[i], i); } for (i = mic_num; i < CXD56_IN_CHANNELS_MAX; i++) { write_reg(mic_ch_sel[i], 8); } write_reg(REG_CLK_EN_AHBMSTR_MIC, 1); write_reg(REG_MIC_IN_START_ADR, 0x00000000); write_reg(REG_MIC_IN_SAMPLE_NO, 0); } static void cxd56_init_i2s1_output(uint8_t bits) { write_reg(REG_I2S1_OUT_SD1_L_SEL, 1); write_reg(REG_I2S1_OUT_SD1_R_SEL, 0); write_reg(REG_I2S1_OUT_BITWT, (bits == 16)); write_reg(REG_CLK_EN_AHBMSTR_I2S1, 1); write_reg(REG_I2S1_OUT_START_ADR, 0); write_reg(REG_I2S1_OUT_SAMPLE_NO, 0); } static void cxd56_set_dma_int_en(bool enabled) { if (enabled) { write_reg(REG_INT_EN1_BITS, 0xf); write_reg(REG_INT_HRESP_ERR, 1); } else { write_reg32(REG_INT_EN1_BITS, 0x0); write_reg32(REG_INT_HRESP_ERR, 0); } } static void cxd56_set_dma_running(cxd56_dmahandle_t handle, bool running) { if (handle == CXD56_AUDIO_DMA_MIC) { write_reg(REG_MIC_RTD_TRG, (running ? 0x01 : 0x04)); } else if (handle == CXD56_AUDIO_DMA_I2S0_DOWN) { write_reg(REG_I2S1_OUT_RTD_TRG, (running ? 0x01 : 0x04)); } } static void cxd56_init_dma(FAR struct cxd56_dev_s *dev) { uint8_t err; uint8_t ints; audinfo("cxd56_init_dma: state = %d, hdl = %d.\n", dev->state, dev->dma_handle); dq_clear(&dev->up_pendq); dq_clear(&dev->up_runq); #ifdef CONFIG_AUDIO_CXD56_SRC dq_clear(&dev->down_pendq); dq_clear(&dev->down_runq); dq_clear(&dev->down_doneq); #endif ints = CXD56_DMA_INT_DONE | CXD56_DMA_INT_ERR | CXD56_DMA_INT_CMB; /* Enable DMA */ write_reg(REG_AC_MCK_AHBMSTR_EN, 1); /* Setup output, bit width etc */ if (dev->dma_handle == CXD56_AUDIO_DMA_MIC) { cxd56_set_mic_out_channel(dev); cxd56_init_mic_input(dev->channels, dev->bitwidth); } else { cxd56_init_i2s1_output(dev->bitwidth); } /* Clear interrupt states */ cxd56_int_clear(dev->dma_handle, ints); /* Enable interrupts */ cxd56_int_unmask(dev->dma_handle, ints); cxd56_int_unmask_ahb(dev->dma_handle); /* Check channel setting. */ err = cxd56_get_mon_err(dev->dma_handle); if (err == CXD56_DMA_MSTATE_ERR_NO_ENABLE_CH) { auderr("ERROR: No enabled channel for %d\n", dev->dma_handle); } else if (err == CXD56_DMA_MSTATE_ERR_CH1_4_INVALID) { auderr("ERROR: Channel 1-4 invalid for %d\n", dev->dma_handle); } else if (err == CXD56_DMA_MSTATE_ERR_CH5_8_INVALID) { auderr("ERROR: Channel 5-8 invalid for %d\n", dev->dma_handle); } cxd56_set_dma_int_en(true); } static uint32_t cxd56_get_i2s_rate(uint32_t samplerate) { if (samplerate <= 48000) { return 1; /* low */ } else if (samplerate <= 96000) { return 2; /* medium */ } return 3; /* high */ } static void cxd56_power_on_i2s1(FAR struct cxd56_dev_s *dev) { uint32_t rate; write_reg(REG_AC_PDN_DSPS1, 0); /* Power on SRC1 */ write_reg(REG_AC_SD1MASTER, CXD56_I2S1_MODE); /* I2S1 mode */ write_reg(REG_AC_DIF1, CXD56_I2S1_FORMAT); /* I2S1 format */ write_reg(REG_AC_LR_SWAP1, CXD56_I2S1_FORMAT); write_reg(REG_AC_TEST_OUT_SEL0, CXD56_I2S1_BYPASS); /* I2S1 bypass mode */ rate = cxd56_get_i2s_rate(CXD56_I2S1_DATA_RATE); write_reg(REG_AC_SRC1, rate); /* I2S1 rate */ } static int cxd56_power_on_aca(uint32_t samplerate) { struct cxd56_ser_des_param_s ser_param; struct cxd56_aca_pwon_param_s pwon_param; uint8_t mic_mode; uint8_t mic_sel; uint8_t i; if (fw_as_acacontrol(CXD56_ACA_CTL_CHECK_ID, (uint32_t)NULL) != 0) { return -ENXIO; } if (samplerate > 48000) { pwon_param.osc_mode = (CXD56_AUDIO_MCLK == CXD56_XTAL_24_576MHZ ? CXD56_ACA_OSC_24_576MHZ_HIRES : CXD56_ACA_OSC_49_152MHZ_HIRES); } else { pwon_param.osc_mode = (CXD56_AUDIO_MCLK == CXD56_XTAL_24_576MHZ ? CXD56_ACA_OSC_24_576MHZ : CXD56_ACA_OSC_49_152MHZ); } pwon_param.dmic_clk_ds = CXD56_DMIC_CLK_DS; pwon_param.ad_data_ds = CXD56_DA_DS; pwon_param.mic_dev = CXD56_ACA_MIC_AMIC; pwon_param.mclk_ds = CXD56_MCLKOUT_DS; pwon_param.gpo_ds = CXD56_GPO_A_DS; if (fw_as_acacontrol(CXD56_ACA_CTL_POWER_ON_COMMON, (uint32_t)&pwon_param) != 0) { return -EBUSY; } /* MIC SETUP */ mic_mode = cxd56_get_mic_mode(); if (CXD56_AUDIO_CFG_MIC_MODE_128FS == mic_mode) { ser_param.ser_mode = CXD56_SER_MODE_4CH; ser_param.ser_fs = CXD56_SER_FS_128; } else { ser_param.ser_mode = CXD56_SER_MODE_8CH; ser_param.ser_fs = CXD56_SER_FS_64; } for (i = 0; i < CXD56_IN_CHANNELS_MAX; i++) { mic_sel = (CXD56_AUDIO_CFG_MIC >> (i * CXD56_MIC_CH_BITNUM)) & CXD56_MIC_CH_BITMAP; ser_param.sel_ch.in[i] = (enum cxd56_pulco_ser_sel_ch_id_e)mic_sel; } if (fw_as_acacontrol(CXD56_ACA_CTL_SET_SERDES, (uint32_t)&ser_param) != 0) { return -EBUSY; } return OK; } static int cxd56_power_on_analog_output(FAR struct cxd56_dev_s *dev) { struct cxd56_aca_smaster_param_s smaster_param; struct cxd56_aca_pwoutput_param_s pwon_param; if (dev->samplerate > 48000) { smaster_param.mode = CXD56_SMSTR_MODE_FS_32; smaster_param.mck_fs = CXD56_SMSTR_MCK_FS_1024; pwon_param.mode = CXD56_SMSTR_MODE_FS_32; } else { smaster_param.mode = CXD56_SMSTR_MODE_FS_16; smaster_param.mck_fs = CXD56_SMSTR_MCK_FS_512; pwon_param.mode = CXD56_SMSTR_MODE_FS_16; } smaster_param.ch_sel = CXD56_SMSTR_CHSEL_NORMAL; smaster_param.out2dly = 0x00; smaster_param.pwm_mode = CXD56_SMSTR_PWMMD_BOTH; pwon_param.out_dev = CXD56_ACA_OUT_OFF; pwon_param.pwm_out[0] = CXD56_ACA_PWMOUT_UNKNOWN; pwon_param.pwm_out[1] = CXD56_ACA_PWMOUT_UNKNOWN; pwon_param.sp_delay = CXD56_ACA_SP_DELAY_SEL_UNKNOWN; pwon_param.loop_mode = CXD56_ACA_SP_LOOP_MODE_UNKNOWN; pwon_param.sp_dly_free = CXD56_ACA_SP_DLY_FREE_UNKNOWN; pwon_param.sp_spliton = CXD56_SP_SPLIT_ON; pwon_param.sp_drv = CXD56_SP_DRIVER; if (fw_as_acacontrol(CXD56_ACA_CTL_SET_SMASTER, (uint32_t)&smaster_param) != 0) { return -EBUSY; } if (fw_as_acacontrol(CXD56_ACA_CTL_POWER_ON_OUTPUT, (uint32_t)&pwon_param) != 0) { return -EBUSY; } /* Power on S-Mster. */ write_reg(REG_AC_PDN_SMSTR, 0); write_reg(REG_AC_NSDD, 0x07fb5); if (dev->samplerate > 48000 && CXD56_AUDIO_MCLK == CXD56_XTAL_49_152MHZ) { write_reg(REG_AC_NSX2, 1); } else { write_reg(REG_AC_NSX2, 0); } /* Set smaster and enable */ write_reg(REG_INT_M_OVF_SMASL, 0); write_reg(REG_INT_M_OVF_SMASR, 0); write_reg(REG_AC_NSPMUTE, 0); cxd56_set_volume(CXD56_AUDIO_VOLID_MIXER_OUT, dev->volume); return OK; } static void cxd56_set_mic_gains(uint8_t gain, struct cxd56_aca_pwinput_param_s *param) { uint8_t i; uint8_t pga_gain; uint8_t mic_id = 0; uint8_t mic_sel = 0; /* TODO: Replace gain param with array in dev. How to configure? */ for (i = 0; i < CXD56_IN_CHANNELS_MAX; i++) { mic_sel = (CXD56_AUDIO_CFG_MIC >> (i * CXD56_MIC_CH_BITNUM)) & CXD56_MIC_CH_BITMAP; if ((mic_sel >= 1) && (mic_sel <= 4)) { mic_id = mic_sel - 1; param->mic_gain[mic_id] = (gain >= CXD56_MIC_GAIN_MAX) ? CXD56_MIC_GAIN_MAX : (gain / 30) * 30; pga_gain = gain - param->mic_gain[mic_id]; param->pga_gain[mic_id] = (pga_gain >= CXD56_MIC_PGA_GAIN_MAX) ? CXD56_MIC_PGA_GAIN_MAX : pga_gain; } } } static void cxd56_get_mic_config(uint8_t *count, uint8_t *dev, uint8_t *mode) { uint8_t i; uint8_t is_dmic; uint8_t is_amic; uint8_t mic_sel = 0; uint8_t mic_count = 0; *dev = 0; *mode = 0; for (i = 0; i < CXD56_IN_CHANNELS_MAX; i++) { mic_sel = (CXD56_AUDIO_CFG_MIC >> (i * CXD56_MIC_CH_BITNUM)) & CXD56_MIC_CH_BITMAP; if ((mic_sel >= 1) && (mic_sel <= 4)) { is_amic = true; mic_count++; } else if ((mic_sel >= 5) && (mic_sel <= 12)) { is_dmic = true; mic_count++; } } if (is_amic) { if (is_dmic) { *dev = CXD56_AUDIO_CFG_MIC_DEV_ANADIG; *mode = CXD56_AUDIO_CFG_MIC_MODE_64FS; } else { *dev = CXD56_AUDIO_CFG_MIC_DEV_ANALOG; *mode = CXD56_AUDIO_CFG_MIC_MODE_128FS; } } else { if (is_dmic) { *dev = CXD56_AUDIO_CFG_MIC_DEV_DIGITAL; *mode = CXD56_AUDIO_CFG_MIC_MODE_64FS; } else { *dev = CXD56_AUDIO_CFG_MIC_DEV_NONE; *mode = CXD56_AUDIO_CFG_MIC_MODE_64FS; } } *count = mic_count; } static uint8_t cxd56_get_mic_mode(void) { uint8_t count; uint8_t dev; uint8_t mode; cxd56_get_mic_config(&count, &dev, &mode); return mode; } static int cxd56_power_on_micbias(FAR struct cxd56_dev_s *dev) { struct timespec start; if (fw_as_acacontrol(CXD56_ACA_CTL_POWER_ON_MICBIAS, (uint32_t)NULL) != 0) { return -EBUSY; } /* Set mic boot time */ if (clock_gettime(CLOCK_REALTIME, &start) < 0) { dev->mic_boot_start = 0x0ull; } else { dev->mic_boot_start = (uint64_t)start.tv_sec * 1000 + (uint64_t)start.tv_nsec / 1000000; } return OK; } static void cxd56_audio_power_on_cic(uint8_t mic_in, uint8_t mic_mode, uint8_t cic_num, FAR struct cxd56_audio_mic_gain_s *gain) { /* Power on CIC. */ if (mic_in == CXD56_AUDIO_CFG_CIC_IN_SEL_CXD) { if (cic_num > 3) { write_reg(REG_AC_CIC4IN_SEL, 0); write_reg(REG_AC_HPF4_MODE, 1); } if (cic_num > 2) { if (read_reg(REG_AC_PDN_AMICEXT) == 1) { write_reg(REG_AC_PDN_AMICEXT, 0); } write_reg(REG_AC_CIC3IN_SEL, 0); write_reg(REG_AC_HPF3_MODE, 1); } if (cic_num > 1) { write_reg(REG_AC_PDN_AMIC2, 0); write_reg(REG_AC_CIC2IN_SEL, 0); write_reg(REG_AC_HPF2_MODE, 1); write_reg(REG_AC_CIC2_GAIN_MODE, 1); } if (cic_num > 0) { write_reg(REG_AC_PDN_AMIC1, 0); write_reg(REG_AC_CIC1IN_SEL, 0); write_reg(REG_AC_HPF1_MODE, 1); write_reg(REG_AC_CIC1_GAIN_MODE, 1); } } else if(mic_in == CXD56_AUDIO_CFG_CIC_IN_SEL_DMICIF) { if (read_reg(REG_AC_PDN_DMIC) == 1) { write_reg(REG_AC_PDN_DMIC, 0); } if (cic_num > 3) { write_reg(REG_AC_CIC4IN_SEL, 1); write_reg(REG_AC_HPF4_MODE, 1); } if (cic_num > 2) { write_reg(REG_AC_CIC3IN_SEL, 1); write_reg(REG_AC_HPF3_MODE, 1); } if (cic_num > 1) { write_reg(REG_AC_CIC2IN_SEL, 1); write_reg(REG_AC_HPF2_MODE, 1); write_reg(REG_AC_CIC2_GAIN_MODE, 1); } if (cic_num > 0) { write_reg(REG_AC_CIC1IN_SEL, 1); write_reg(REG_AC_HPF1_MODE, 1); write_reg(REG_AC_CIC1_GAIN_MODE, 1); } } if (mic_mode == CXD56_AUDIO_CFG_MIC_MODE_128FS) { write_reg(REG_AC_ADC_FS, 1); } else if (mic_mode == CXD56_AUDIO_CFG_MIC_MODE_64FS) { write_reg(REG_AC_ADC_FS, 0); } } static int cxd56_power_on_decim(uint8_t mic_mode, uint16_t samplerate) { /* Enable AHBMASTER. * Because the output of DecimationFilter is input to BusIF. */ write_reg(REG_AC_MCK_AHBMSTR_EN, 1); /* Power on DECIM. */ write_reg(REG_AC_DECIM0_EN, 1); /* DECIM param */ if ((mic_mode == CXD56_AUDIO_CFG_MIC_MODE_64FS) && (samplerate > 48000)) { write_reg(REG_AC_SEL_DECIM, 0); } else { write_reg(REG_AC_SEL_DECIM, 1); } if (mic_mode == CXD56_AUDIO_CFG_MIC_MODE_128FS) { write_reg(REG_AC_SEL_INF, 1); write_reg(REG_AC_DCMFS, 2); write_reg(REG_AC_DCMFS_34, 2); } else if (mic_mode == CXD56_AUDIO_CFG_MIC_MODE_64FS) { write_reg(REG_AC_SEL_INF, 0); write_reg(REG_AC_DCMFS, 1); write_reg(REG_AC_DCMFS_34, 1); } else { return -EINVAL; } if (samplerate <= 48000) { write_reg(REG_AC_SEL_OUTF, 0); } else { write_reg(REG_AC_SEL_OUTF, 2); } /* DECIM_SEL */ write_reg(REG_AC_OUTEN_MIC2R_A, ((0x0f >> 3) & 0x01)); write_reg(REG_AC_OUTEN_MIC2L_A, ((0x0f >> 2) & 0x01)); write_reg(REG_AC_OUTEN_MIC1R_A, ((0x0f >> 1) & 0x01)); write_reg(REG_AC_OUTEN_MIC1L_A, ((0x0f >> 0) & 0x01)); write_reg(REG_AC_OUTEN_MIC2R_B, ((0x0f >> 3) & 0x01)); write_reg(REG_AC_OUTEN_MIC2L_B, ((0x0f >> 2) & 0x01)); write_reg(REG_AC_OUTEN_MIC1R_B, ((0x0f >> 1) & 0x01)); write_reg(REG_AC_OUTEN_MIC1L_B, ((0x0f >> 0) & 0x01)); return OK; } static void cxd56_set_mic_out_channel(FAR struct cxd56_dev_s *dev) { uint8_t i; uint8_t mic_num; uint8_t ch_sel[CXD56_IN_CHANNELS_MAX]; mic_num = dev->channels; if ((dev->bitwidth == 16) && (CXD56_DMA_FORMAT == CXD56_DMA_FORMAT_RL)) { for (i = 0; i < CXD56_IN_CHANNELS_MAX; i++) { ch_sel[i] = (i & 1) ? i - 1 : i + 1; } } else { for (i = 0; i < CXD56_IN_CHANNELS_MAX; i++) { ch_sel[i] = i; } } /* For uneven mic counts, duplicate last channel (e.g. dual mono) */ if ((dev->bitwidth == 16) && ((mic_num & 1) == 1)) { if (CXD56_DMA_FORMAT == CXD56_DMA_FORMAT_LR) { ch_sel[mic_num] = ch_sel[mic_num - 1]; } else { ch_sel[mic_num - 1] = ch_sel[mic_num]; } } write_reg(REG_AC_SEL_OUT1_L, ch_sel[0]); write_reg(REG_AC_SEL_OUT1_R, ch_sel[1]); write_reg(REG_AC_SEL_OUT2_L, ch_sel[2]); write_reg(REG_AC_SEL_OUT2_R, ch_sel[3]); write_reg(REG_AC_SEL_OUT3_L, ch_sel[4]); write_reg(REG_AC_SEL_OUT3_R, ch_sel[5]); write_reg(REG_AC_SEL_OUT4_L, ch_sel[6]); write_reg(REG_AC_SEL_OUT4_R, ch_sel[7]); } /**************************************************************************** * Name: cxd56_power_on_input * * Description: * Configure and enable input with selected samplerate and mics. * ****************************************************************************/ static int cxd56_power_on_input(FAR struct cxd56_dev_s *dev) { uint8_t i; uint8_t cic_num; uint8_t cic_write_num; uint8_t mic_dev; uint8_t mic_mode; uint8_t mic_num; uint8_t ret; uint32_t val; struct cxd56_audio_mic_gain_s cic_gain; struct cxd56_aca_pwinput_param_s param; const cxd56_aureg_t cic_gain_reg[CXD56_IN_CHANNELS_MAX] = { REG_AC_CIC1_LGAIN, REG_AC_CIC1_RGAIN, REG_AC_CIC2_LGAIN, REG_AC_CIC2_RGAIN, REG_AC_CIC3_LGAIN, REG_AC_CIC3_RGAIN, REG_AC_CIC4_LGAIN, REG_AC_CIC4_RGAIN }; memset((void *)¶m, 0, sizeof(param)); cxd56_get_mic_config(&mic_num, &mic_dev, &mic_mode); param.mic_dev = mic_dev; if (param.mic_dev == CXD56_AUDIO_CFG_MIC_DEV_ANALOG || param.mic_dev == CXD56_AUDIO_CFG_MIC_DEV_ANADIG) { cxd56_power_on_micbias(dev); } param.mic_bias_sel = CXD56_MIC_BIAS; /* TODO: Replace hardcoded mic gain with configuration */ cxd56_set_mic_gains(120, ¶m); if (fw_as_acacontrol(CXD56_ACA_CTL_POWER_ON_INPUT, (uint32_t)¶m) != 0) { return -EBUSY; } /* Power on CIC */ cic_num = (mic_num + 1) / CXD56_CIC_MIC_CH_NUM; for (i = 0; i < CXD56_IN_CHANNELS_MAX; i++) { val = (CXD56_AUDIO_CFG_MIC >> (i * CXD56_MIC_CH_BITNUM)) & CXD56_MIC_CH_BITMAP; cic_gain.gain[i] = (val > 4) ? param.mic_gain[i] : 0; } cic_write_num = (CXD56_IN_CHANNELS_MAX >= (cic_num * 2)) ? (cic_num * 2) : CXD56_IN_CHANNELS_MAX; for (i = 0; i < cic_write_num; i++) { val = (uint32_t)(pow(10.0f, ((float)cic_gain.gain[i] / 100.0f / 20.0f)) * 0x4000 + 0x4000); write_reg(cic_gain_reg[i], val); } cxd56_audio_power_on_cic(CXD56_AUDIO_CFG_CIC_IN, mic_mode, cic_num, &cic_gain); /* Power on decim */ ret = cxd56_power_on_decim(mic_mode, dev->samplerate); if (ret != OK) { auderr("ERROR: Decim power on failed (%d)\n", ret); } return ret; } static int cxd56_power_on(FAR struct cxd56_dev_s *dev) { uint8_t mic_mode; if (g_codec_start_count == 0) { uint32_t val; board_audio_i2s_enable(); board_audio_initialize(); /* Power on analog audio */ if (board_aca_power_control(CXD5247_AVDD | CXD5247_DVDD, true) != 0) { return -EBUSY; } if (!board_aca_power_monitor(CXD5247_AVDD | CXD5247_DVDD)) { return -EBUSY; } cxd56_power_on_aca(dev->samplerate); cxd56_audio_clock_enable(CXD56_AUD_MCLK_EXT, 0); /* Power_on_codec */ val = read_reg(REG_AC_REVID); if (val != CXD56_EXP_REVID) { auderr("ERROR: Power on REVID mismatch (%" PRIx32 " vs. %x)\n", val, CXD56_EXP_REVID); return -ENXIO; } val = read_reg(REG_AC_DEVICEID); if (val != CXD56_EXP_DEVICEID) { auderr("ERROR: Power on DEVICEID mismatch (%" PRIx32 " vs. %x)\n", val, CXD56_EXP_DEVICEID); return -ENXIO; } /* Power on serializeer */ write_reg(REG_AC_SDES_EN, 1); /* Set mic mode */ mic_mode = cxd56_get_mic_mode(); if (mic_mode == CXD56_AUDIO_CFG_MIC_MODE_128FS) { write_reg(REG_AC_FS_FS, 0); write_reg(REG_AC_SER_MODE, 1); write_reg(REG_AC_ADC_FS, 1); } else { write_reg(REG_AC_FS_FS, 1); write_reg(REG_AC_SER_MODE, 0); write_reg(REG_AC_ADC_FS, 0); } /* Power on codec */ write_reg(REG_AC_PDN_DSPC, 0); write_reg(REG_AC_DSR_RATE, 1); write_reg(REG_AC_DIGSFT, 1); /* Clear interrupt status of bck_err */ write_reg(REG_INT_M_I2S1_BCL_ERR1, 0); write_reg(REG_INT_M_I2S1_BCL_ERR2, 0); cxd56_power_on_i2s1(dev); /* Enable I2S data input and output of SRC1 */ write_reg(REG_AC_SDIN1_EN, 1); write_reg(REG_AC_SDOUT1_EN, 1); /* Enable BCK, LRCK output if master (1). */ write_reg(REG_AC_SDCK_OUTENX, CXD56_I2S1_MODE); /* Enable serial interface */ write_reg(REG_AC_FS_CLK_EN, 1); write_reg(REG_AC_PDM_OUT_EN, 1); /* Initialize data path selection */ write_reg(REG_AC_AU_DAT_SEL1, 4); write_reg(REG_AC_AU_DAT_SEL2, 4); write_reg(REG_AC_AU_COD_INSEL2, 2); write_reg(REG_AC_AU_COD_INSEL3, 3); write_reg(REG_AC_SRC1IN_SEL, 0); write_reg(REG_AC_SRC2IN_SEL, 1); /* Set BCA data rate */ write_reg(REG_I2S_ENSEL, ((dev->samplerate > 48000) ? 1 : 0)); /* Disable DEQ */ write_reg(REG_AC_DEQ_EN, 0); /* Disable DNC. */ write_reg(REG_AC_DNC1_MUTE, 1); write_reg(REG_AC_DNC2_MUTE, 1); write_reg(REG_AC_DNC1_START, 0); write_reg(REG_AC_DNC2_START, 0); /* Disable ALC/SPC */ write_reg(REG_AC_ALC_EN, 0); write_reg(REG_AC_SPC_EN, 0); /* Disable Clear Stereo */ write_reg(REG_AC_CS_SIGN, 0); write_reg(REG_AC_CS_VOL, 0x00); cxd56_attach_irq(true); cxd56_enable_irq(true); } g_codec_start_count++; return OK; } static int cxd56_power_off(FAR struct cxd56_dev_s *dev) { /* Disable AHBMASTER. */ write_reg(REG_AC_MCK_AHBMSTR_EN, 0); /* Disable SRC. */ write_reg(REG_AC_SDIN1_EN, 0); write_reg(REG_AC_SDIN2_EN, 0); write_reg(REG_AC_SDOUT1_EN, 0); write_reg(REG_AC_SDOUT2_EN, 0); write_reg(REG_AC_SDCK_OUTENX, 1); write_reg(REG_AC_BLF_EN, 0); /* Disable SDES. */ write_reg(REG_AC_PDM_OUT_EN, 0); write_reg(REG_AC_FS_CLK_EN, 0); write_reg(REG_AC_SDES_EN, 0); /* Power off SRC. */ write_reg(REG_AC_PDN_DSPS1, 1); write_reg(REG_AC_PDN_DSPS2, 1); write_reg(REG_AC_PDN_DSPB, 1); /* Power off CODEC. */ write_reg(REG_AC_PDN_DSPC, 1); /* Power off DNC. */ write_reg(REG_AC_PDN_DNC1, 1); write_reg(REG_AC_PDN_DNC2, 1); write_reg(REG_AC_PDN_ANC, 1); /* Disable audio clock */ cxd56_audio_clock_disable(); if (fw_as_acacontrol(CXD56_ACA_CTL_POWER_OFF_COMMON, (uint32_t)NULL) != 0) { return -EBUSY; } board_aca_power_control(CXD5247_AVDD | CXD5247_DVDD, false); /* Disable interrupts */ cxd56_attach_irq(false); cxd56_enable_irq(false); board_audio_finalize(); return OK; } /**************************************************************************** * Name: cxd56_getcaps * * Description: Get the audio device capabilities. * ****************************************************************************/ static int cxd56_getcaps(FAR struct audio_lowerhalf_s *lower, int type, FAR struct audio_caps_s *caps) { DEBUGASSERT(caps && caps->ac_len >= sizeof(struct audio_caps_s)); /* Fill in the caller's structure based on requested info */ caps->ac_format.hw = 0; caps->ac_controls.w = 0; switch (caps->ac_type) { /* Query for supported types of units */ case AUDIO_TYPE_QUERY: /* Stereo output */ caps->ac_channels = 2; switch (caps->ac_subtype) { case AUDIO_TYPE_QUERY: /* The types of audio units we implement */ caps->ac_controls.b[0] = AUDIO_TYPE_OUTPUT | AUDIO_TYPE_INPUT | AUDIO_TYPE_FEATURE; break; default: caps->ac_controls.b[0] = AUDIO_SUBFMT_END; break; } break; /* Output capabilities */ case AUDIO_TYPE_OUTPUT: caps->ac_channels = CXD56_OUT_CHANNELS_MAX; switch (caps->ac_subtype) { case AUDIO_TYPE_QUERY: /* Report supported output sample rates */ caps->ac_controls.b[0] = CXD56_SUPP_RATES_L; caps->ac_controls.b[1] = CXD56_SUPP_RATES_H; break; default: break; } break; /* Output capabilities */ case AUDIO_TYPE_INPUT: caps->ac_channels = CXD56_IN_CHANNELS_MAX; switch (caps->ac_subtype) { case AUDIO_TYPE_QUERY: /* Report supported input sample rates */ caps->ac_controls.b[0] = CXD56_SUPP_RATES_L; caps->ac_controls.b[1] = CXD56_SUPP_RATES_H; break; default: break; } break; /* Feature capabilities */ case AUDIO_TYPE_FEATURE: /* Report supported feature units */ if (caps->ac_subtype == AUDIO_FU_UNDEF) { caps->ac_controls.b[0] = AUDIO_FU_VOLUME | AUDIO_FU_MUTE; caps->ac_controls.b[1] = AUDIO_FU_INP_GAIN >> 8; } break; /* Others are unsupported */ default: /* Zero out the fields to indicate no support */ caps->ac_subtype = 0; caps->ac_channels = 0; break; } /* Return the length of the audio_caps_s struct for validation */ return caps->ac_len; } /**************************************************************************** * Name: cxd56_shutdown * * Description: Shutdown the chip and puts it in the lowest power * state possible. * ****************************************************************************/ static int cxd56_shutdown(FAR struct audio_lowerhalf_s *lower) { int ret; FAR struct cxd56_dev_s *priv = (FAR struct cxd56_dev_s *)lower; if (priv->state != CXD56_DEV_STATE_OFF) { ret = cxd56_power_off(priv); if (ret != OK) { auderr("ERROR: Power off failed (%d)\n", ret); return ret; } g_codec_start_count = 0; priv->state = CXD56_DEV_STATE_OFF; } return OK; } /**************************************************************************** * Name: cxd56_configure * * Description: Configure the audio device for the specified mode. * ****************************************************************************/ #ifdef CONFIG_AUDIO_MULTI_SESSION static int cxd56_configure(FAR struct audio_lowerhalf_s *lower, FAR void *session, FAR const struct audio_caps_s *caps) #else static int cxd56_configure(FAR struct audio_lowerhalf_s *lower, FAR const struct audio_caps_s *caps) #endif { int ret = 0; uint8_t poweron = 0; FAR struct cxd56_dev_s *priv = (FAR struct cxd56_dev_s *)lower; switch (caps->ac_type) { case AUDIO_TYPE_FEATURE: switch (caps->ac_format.hw) { #ifndef CONFIG_AUDIO_EXCLUDE_VOLUME case AUDIO_FU_VOLUME: { uint16_t volume = caps->ac_controls.hw[0]; if (volume >= 0 && volume <= 1000) { /* Scale the volume setting to the range {-1020..120} */ priv->volume = CXD56_VOL_NX_TO_CXD56(volume); cxd56_set_volume(CXD56_AUDIO_VOLID_MIXER_OUT, priv->volume); cxd56_set_volume(CXD56_AUDIO_VOLID_MIXER_IN1, priv->volume); cxd56_set_volume(CXD56_AUDIO_VOLID_MIXER_IN2, priv->volume); } else { return -EDOM; } } break; #endif /* CONFIG_AUDIO_EXCLUDE_VOLUME */ #ifndef CONFIG_AUDIO_EXCLUDE_MUTE case AUDIO_FU_MUTE: { /* Set mic mute/unmute status */ bool mute = (bool) caps->ac_controls.hw[0]; audinfo(" Mute: %d\n", mute); if (mute) { cxd56_set_volume(CXD56_AUDIO_VOLID_MIXER_OUT, CXD56_VOL_MUTE); cxd56_set_volume(CXD56_AUDIO_VOLID_MIXER_IN1, CXD56_VOL_MUTE); cxd56_set_volume(CXD56_AUDIO_VOLID_MIXER_IN2, CXD56_VOL_MUTE); } else { cxd56_set_volume(CXD56_AUDIO_VOLID_MIXER_OUT, priv->volume); cxd56_set_volume(CXD56_AUDIO_VOLID_MIXER_IN1, priv->volume); cxd56_set_volume(CXD56_AUDIO_VOLID_MIXER_IN2, priv->volume); } if (CXD56_AUDIO_ECODE_OK != ret) { return ret; } } break; #endif /* CONFIG_AUDIO_EXCLUDE_MUTE */ case AUDIO_FU_INP_GAIN: { /* Set the mic gain */ priv->mic_gain = caps->ac_controls.hw[0]; audinfo(" Mic gain: %d\n", priv->mic_gain); /* TODO: How to set individual mic gains? */ } break; default: auderr("ERROR: Unknown feature unit: %d\n", caps->ac_format.hw); return -ENOTTY; } break; case AUDIO_TYPE_OUTPUT: { if (caps->ac_controls.b[2] != 16 && caps->ac_controls.b[2] != 24) { auderr("ERROR: Unsupported bits per sample: %d\n", caps->ac_controls.b[2]); return -ERANGE; } /* Save the configuration */ priv->dma_handle = CXD56_AUDIO_DMA_I2S0_DOWN; priv->samplerate = caps->ac_controls.hw[0]; priv->channels = caps->ac_channels; priv->bitwidth = caps->ac_controls.b[2]; #ifdef CONFIG_AUDIO_CXD56_SRC ret = cxd56_src_init(priv, &priv->down_doneq, &priv->down_pendq); if (ret != OK) { auderr("ERROR: Could not initialize SRC (%d)\n", ret); return -ENOMEM; } #endif g_dev[priv->dma_handle] = priv; poweron = 1; audinfo("Configured output using %d:\n", priv->dma_handle); audinfo(" Channels: %d\n", priv->channels); audinfo(" Samplerate: %d\n", priv->samplerate); audinfo(" Bit width: %d\n", priv->bitwidth); } break; case AUDIO_TYPE_INPUT: { /* Save the configuration */ priv->dma_handle = CXD56_AUDIO_DMA_MIC; priv->samplerate = caps->ac_controls.hw[0]; priv->channels = caps->ac_channels; priv->bitwidth = caps->ac_controls.b[2]; g_dev[priv->dma_handle] = priv; poweron = 1; audinfo("Configured input using %d:\n", priv->dma_handle); audinfo(" Channels: %d\n", priv->channels); audinfo(" Samplerate: %d\n", priv->samplerate); audinfo(" Bit width: %d\n", priv->bitwidth); } break; } if (poweron) { /* Get ready to start receiving buffers */ ret = cxd56_power_on(priv); if (ret != OK) { auderr("ERROR: Power on error (%d)\n", ret); return ret; } cxd56_init_dma(priv); priv->state = CXD56_DEV_STATE_STOPPED; } return OK; } /**************************************************************************** * Name: cxd56_start * * Description: Starts playback with the current configuration. * ****************************************************************************/ #ifdef CONFIG_AUDIO_MULTI_SESSION static int cxd56_start(FAR struct audio_lowerhalf_s *lower, FAR void *session) #else static int cxd56_start(FAR struct audio_lowerhalf_s *lower) #endif { int ret; FAR struct cxd56_dev_s *priv = (FAR struct cxd56_dev_s *)lower; /* Set audio path and enable analog input/output */ if (priv->dma_handle == CXD56_AUDIO_DMA_I2S0_DOWN) { write_reg(REG_AC_AU_DAT_SEL1, CXD56_AUDAT_SEL_BUSIF1); ret = cxd56_power_on_analog_output(priv); if (ret != OK) { auderr("ERROR: Power on analog output failed (%d)\n", ret); return ret; } } else if (priv->dma_handle == CXD56_AUDIO_DMA_MIC) { #if 0 /* TODO: Check configuration. From audio_manager.cpp:221 */ sel_info.au_dat_sel1 = true; if (AS_THROUGH_PATH_OUT_MIXER1 == out_path) sel_info.cod_insel2 = true; else if (AS_THROUGH_PATH_OUT_MIXER2 == out_path) sel_info.cod_insel3 = true; else if (AS_THROUGH_PATH_OUT_I2S1 == out_path) sel_info.src1in_sel = true; else sel_info.src2in_sel = true; #endif write_reg(REG_AC_AU_DAT_SEL1, CXD56_AUDAT_SEL_MIC1); write_reg(REG_AC_AU_DAT_SEL2, CXD56_AUDAT_SEL_MIC1); ret = cxd56_power_on_input(priv); if (ret != OK) { auderr("ERROR: Power on analog input failed (%d)\n", ret); return ret; } if (priv->mic_boot_start != 0x0ull) { struct timespec end; if (clock_gettime(CLOCK_REALTIME, &end) >= 0) { uint64_t time = (uint64_t)end.tv_sec * 1000 + (uint64_t)end.tv_nsec / 1000000 - priv->mic_boot_start; if (time < CXD56_MIC_BOOT_WAIT) { nxsig_usleep((CXD56_MIC_BOOT_WAIT - time) * 1000); } } } } ret = cxd56_init_worker(lower); if (ret != OK) { auderr("ERROR: Could not feed DMA (%d)\n", ret); return ret; } return OK; } /**************************************************************************** * Name: cxd56_stop * * Description: Stops playback with the current configuration. * ****************************************************************************/ static int cxd56_stop_dma(FAR struct cxd56_dev_s *priv) { int ret; if (priv->state != CXD56_DEV_STATE_STOPPED) { /* Stop DMA */ cxd56_set_dma_running(priv->dma_handle, false); if (priv->dma_handle == CXD56_AUDIO_DMA_MIC) { /* Power off decimator */ write_reg(REG_AC_DECIM0_EN, 0); /* Power off CIC. */ write_reg(REG_AC_PDN_AMIC1, 1); write_reg(REG_AC_PDN_AMIC2, 1); write_reg(REG_AC_PDN_AMICEXT, 1); write_reg(REG_AC_PDN_DMIC, 1); /* Disable input */ if (fw_as_acacontrol(CXD56_ACA_CTL_POWER_OFF_INPUT, (uint32_t)NULL) != 0) { return -EBUSY; } priv->mic_boot_start = 0x0ull; } else if (priv->dma_handle == CXD56_AUDIO_DMA_I2S0_DOWN) { /* Turn off amplifier */ ret = board_external_amp_mute_control(true); if (ret != CXD56_AUDIO_ECODE_OK) { auderr("ERROR: Couldn't mute amplifier (%d)\n", ret); return -EBUSY; } /* Mute and disable output */ write_reg(REG_AC_NSPMUTE, 1); write_reg(REG_AC_PDN_SMSTR, 1); if (fw_as_acacontrol(CXD56_ACA_CTL_POWER_OFF_OUTPUT, (uint32_t)NULL) != 0) { return -EBUSY; } } } return OK; } #ifndef CONFIG_AUDIO_EXCLUDE_STOP #ifdef CONFIG_AUDIO_MULTI_SESSION static int cxd56_stop(FAR struct audio_lowerhalf_s *lower, FAR void *session) #else static int cxd56_stop(FAR struct audio_lowerhalf_s *lower) #endif { int ret; FAR void *value; struct audio_msg_s msg; FAR struct cxd56_dev_s *priv = (FAR struct cxd56_dev_s *)lower; audinfo("cxd56_stop\n"); msg.msg_id = AUDIO_MSG_STOP; msg.u.data = 0; ret = file_mq_send(&priv->mq, (FAR const char *)&msg, sizeof(msg), CONFIG_CXD56_MSG_PRIO); if (ret != OK) { auderr("ERROR: file_mq_send stop message failed (%d)\n", ret); return ret; } /* Join the worker thread */ pthread_join(priv->threadid, &value); priv->threadid = 0; return OK; } #endif /* CONFIG_AUDIO_EXCLUDE_STOP */ /**************************************************************************** * Name: cxd56_pause * * Description: Pauses the playback. * ****************************************************************************/ #ifndef CONFIG_AUDIO_EXCLUDE_PAUSE_RESUME #ifdef CONFIG_AUDIO_MULTI_SESSION static int cxd56_pause(FAR struct audio_lowerhalf_s *lower, FAR void *session) #else static int cxd56_pause(FAR struct audio_lowerhalf_s *lower) #endif { int ret; FAR struct cxd56_dev_s *dev = (FAR struct cxd56_dev_s *)lower; if (dev->state == CXD56_DEV_STATE_STARTED) { dev->state = CXD56_DEV_STATE_PAUSED; ret = cxd56_stop_dma(dev); if (ret != OK) { auderr("ERROR: Could not stop DMA transfer (%d)\n", ret); return ret; } } return OK; } /**************************************************************************** * Name: cxd56_resume * * Description: Resumes the playback. * ****************************************************************************/ #ifdef CONFIG_AUDIO_MULTI_SESSION static int cxd56_resume(FAR struct audio_lowerhalf_s *lower, FAR void *session) #else static int cxd56_resume(FAR struct audio_lowerhalf_s *lower) #endif { int ret; FAR struct cxd56_dev_s *dev = (FAR struct cxd56_dev_s *)lower; if (dev->state == CXD56_DEV_STATE_PAUSED || dev->state == CXD56_DEV_STATE_BUFFERING) { if (dev->state == CXD56_DEV_STATE_PAUSED) { dev->state = CXD56_DEV_STATE_STARTED; cxd56_power_on_analog_output(dev); board_external_amp_mute_control(false); } else { /* NOTE: only power on the analog output * when resumed from buffering */ cxd56_power_on_analog_output(dev); } audinfo("START DMA up_pendq=%d \n", dq_count(&dev->up_pendq)); ret = cxd56_start_dma(dev); if (ret != OK) { auderr("ERROR: Could not resume DMA transfer (%d)\n", ret); return ret; } } return OK; } #endif /* CONFIG_AUDIO_EXCLUDE_PAUSE_RESUME */ /**************************************************************************** * Name: cxd56_release * * Description: Releases the session. * ****************************************************************************/ #ifdef CONFIG_AUDIO_MULTI_SESSION static int cxd56_release(FAR struct audio_lowerhalf_s *lower, FAR void *session) #else static int cxd56_release(FAR struct audio_lowerhalf_s *lower) #endif { return OK; } /**************************************************************************** * Name: cxd56_reserve * * Description: Reserves a session. * ****************************************************************************/ #ifdef CONFIG_AUDIO_MULTI_SESSION static int cxd56_reserve(FAR struct audio_lowerhalf_s *lower, FAR void **session) #else static int cxd56_reserve(FAR struct audio_lowerhalf_s *lower) #endif { return OK; } static void cxd56_swap_buffer_rl(uint32_t addr, uint16_t size) { uint32_t i = 0; uint16_t tmp_buffer; uint16_t *p_lch = (uint16_t *)addr; uint16_t *p_rch = p_lch + 1; while (i++ < size / 4) { tmp_buffer = *p_lch; *p_lch = *p_rch; *p_rch = tmp_buffer; p_lch += 2; p_rch += 2; } } static int cxd56_start_dma(FAR struct cxd56_dev_s *dev) { FAR struct ap_buffer_s *apb; irqstate_t flags; int retry; int timeout; uint32_t addr; uint32_t size; int ret = OK; flags = spin_lock_irqsave(&dev->lock); #ifdef CONFIG_AUDIO_CXD56_SRC FAR struct ap_buffer_s *src_apb; if (dq_count(&dev->down_pendq) == 0) #else if (dq_count(&dev->up_pendq) == 0) #endif { /* Underrun occurred, stop DMA and change state for buffering */ audwarn("Underrun \n"); spin_unlock_irqrestore(&dev->lock, flags); ret = cxd56_stop_dma(dev); flags = spin_lock_irqsave(&dev->lock); audwarn("STOP DMA due to underrun \n"); if (ret != CXD56_AUDIO_ECODE_OK) { auderr("ERROR: Could not stop DMA transfer (%d)\n", ret); dev->running = false; } dev->state = CXD56_DEV_STATE_BUFFERING; } else { /* Fill up with as many DMA requests as we can */ #ifdef CONFIG_AUDIO_CXD56_SRC while (dq_count(&dev->down_pendq) > 0) #else while (dq_count(&dev->up_pendq) > 0) #endif { if (cxd56_dma_is_busy(dev->dma_handle)) { /* DMA busy, will retry next time */ ret = OK; goto exit; } #ifdef CONFIG_AUDIO_CXD56_SRC src_apb = (struct ap_buffer_s *) dq_peek(&dev->down_pendq); addr = CXD56_PHYSADDR(src_apb->samp); size = (src_apb->nbytes / (dev->bitwidth / 8) / dev->channels) - 1; #else apb = (struct ap_buffer_s *) dq_peek(&dev->up_pendq); addr = CXD56_PHYSADDR(apb->samp); size = (apb->nbytes / (dev->bitwidth / 8) / dev->channels) - 1; #endif if (dev->dma_handle == CXD56_AUDIO_DMA_MIC) { write_reg(REG_MIC_IN_START_ADR, addr); write_reg(REG_MIC_IN_SAMPLE_NO, size); } else { if (dev->bitwidth == 16 && CXD56_DMA_FORMAT == CXD56_DMA_FORMAT_RL) { #ifdef CONFIG_AUDIO_CXD56_SRC cxd56_swap_buffer_rl((uint32_t)src_apb->samp, src_apb->nbytes); #else cxd56_swap_buffer_rl((uint32_t)apb->samp, apb->nbytes); #endif } write_reg(REG_I2S1_OUT_START_ADR, addr); write_reg(REG_I2S1_OUT_SAMPLE_NO, size); } /* Start DMA, use workaround with first buffer */ if (dev->state != CXD56_DEV_STATE_STARTED) { /* Turn on amplifier */ spin_unlock_irqrestore(&dev->lock, flags); board_external_amp_mute_control(false); flags = spin_lock_irqsave(&dev->lock); /* Mask interrupts */ cxd56_int_mask(dev->dma_handle, CXD56_DMA_INT_ERR); cxd56_int_mask(dev->dma_handle, CXD56_DMA_INT_DONE); /* Sync workaround loop */ for (retry = 0; retry < CXD56_DMA_START_RETRY_CNT; retry++) { /* Clear interrupt status */ cxd56_int_clear(dev->dma_handle, CXD56_DMA_INT_ERR); cxd56_int_clear(dev->dma_handle, CXD56_DMA_INT_SMP); for (timeout = 0; timeout < CXD56_DMA_TIMEOUT; timeout++) { if (cxd56_int_has_smp(dev->dma_handle)) { break; } } if (timeout == CXD56_DMA_TIMEOUT) { ret = -ETIME; goto exit; } /* Reset channel select */ cxd56_reset_channel_sel(dev->dma_handle); /* Start DMA */ cxd56_set_dma_running(dev->dma_handle, true); /* Wait for 1sample tramsfer */ if (dev->samplerate > 48000) { up_udelay(CXD56_DMA_SMP_WAIT_HIRES); } else { up_udelay(CXD56_DMA_SMP_WAIT_NORMALT); } /* Check if an error interrupt has occurred */ if (cxd56_int_has_error(dev->dma_handle)) { cxd56_set_dma_running(dev->dma_handle, false); cxd56_int_clear(dev->dma_handle, CXD56_DMA_INT_ERR); for (timeout = 0; timeout < CXD56_DMA_TIMEOUT; timeout++) { if (CXD56_DMA_MSTATE_BUF_EMPTY == cxd56_get_mon_buf(dev->dma_handle)) { if (cxd56_int_is_done(dev->dma_handle)) { cxd56_int_clear(dev->dma_handle, CXD56_DMA_INT_DONE); break; } } } } else { break; } } if (retry == CXD56_DMA_START_RETRY_CNT) { audinfo("Workaround retries maxed out\n"); } cxd56_int_unmask(dev->dma_handle, CXD56_DMA_INT_DONE); cxd56_int_clear(dev->dma_handle, CXD56_DMA_INT_ERR); cxd56_int_unmask(dev->dma_handle, CXD56_DMA_INT_ERR); } else { /* start DMA */ cxd56_set_dma_running(dev->dma_handle, true); } #ifdef CONFIG_AUDIO_CXD56_SRC dq_get(&dev->down_pendq); dq_put(&dev->down_runq, &src_apb->dq_entry); apb = (struct ap_buffer_s *) dq_get(&dev->up_pendq); #else dq_get(&dev->up_pendq); #endif dq_put(&dev->up_runq, &apb->dq_entry); dev->state = CXD56_DEV_STATE_STARTED; #ifndef CONFIG_AUDIO_CXD56_SRC if ((apb->flags & AUDIO_APB_FINAL) != 0) { /* If the apb is final, send stop message */ audinfo("Final apb \n"); struct audio_msg_s msg; msg.msg_id = AUDIO_MSG_STOP; msg.u.data = 0; spin_unlock_irqrestore(&dev->lock, flags); ret = file_mq_send(&dev->mq, (FAR const char *)&msg, sizeof(msg), CONFIG_CXD56_MSG_PRIO); flags = spin_lock_irqsave(&dev->lock); if (ret != OK) { auderr("ERROR: file_mq_send for stop failed (%d)\n", ret); goto exit; } } #endif } } exit: spin_unlock_irqrestore(&dev->lock, flags); return ret; } /**************************************************************************** * Name: cxd56_enqueuebuffer * * Description: Enqueue an audio buffer for playback. * ****************************************************************************/ static int cxd56_enqueuebuffer(FAR struct audio_lowerhalf_s *lower, FAR struct ap_buffer_s *apb) { FAR struct cxd56_dev_s *priv = (FAR struct cxd56_dev_s *)lower; struct audio_msg_s msg; irqstate_t flags; int ret; #ifdef CONFIG_AUDIO_CXD56_SRC ret = cxd56_src_enqueue(apb); if (ret != OK) { auderr("ERROR: SRC processing failed (%d)\n", ret); } else { #endif flags = spin_lock_irqsave(&priv->lock); apb->dq_entry.flink = NULL; dq_put(&priv->up_pendq, &apb->dq_entry); spin_unlock_irqrestore(&priv->lock, flags); if (priv->mq.f_inode != NULL) { msg.msg_id = AUDIO_MSG_ENQUEUE; msg.u.data = 0; ret = file_mq_send(&priv->mq, (FAR const char *) &msg, sizeof(msg), CONFIG_CXD56_MSG_PRIO); if (ret != OK) { auderr("ERROR: file_mq_send to enqueue failed (%d)\n", ret); return ret; } } #ifdef CONFIG_AUDIO_CXD56_SRC } #endif return OK; } /**************************************************************************** * Name: cxd56_cancelbuffer * * Description: Called when an enqueued buffer is being cancelled. * ****************************************************************************/ static int cxd56_cancelbuffer(FAR struct audio_lowerhalf_s *lower, FAR struct ap_buffer_s *apb) { return OK; } /**************************************************************************** * Name: cxd56_ioctl * * Description: Perform a device ioctl * ****************************************************************************/ static int cxd56_ioctl(FAR struct audio_lowerhalf_s *lower, int cmd, unsigned long arg) { int ret = OK; #ifdef CONFIG_AUDIO_DRIVER_SPECIFIC_BUFFERS FAR struct ap_buffer_info_s *bufinfo; #endif /* Handle ioctl commands from the upper-half driver */ switch (cmd) { /* Return our preferred buffer size and count */ #ifdef CONFIG_AUDIO_DRIVER_SPECIFIC_BUFFERS case AUDIOIOC_GETBUFFERINFO: { audinfo("AUDIOIOC_GETBUFFERINFO:\n"); bufinfo = (FAR struct ap_buffer_info_s *) arg; bufinfo->buffer_size = CONFIG_CXD56_AUDIO_BUFFER_SIZE; bufinfo->nbuffers = CONFIG_CXD56_AUDIO_NUM_BUFFERS; } break; #endif default: ret = -ENOTTY; audinfo("Unhandled ioctl: %d\n", cmd); break; } return ret; } /**************************************************************************** * Name: cxd56_workerthread * * This is the thread that feeds data to the chip and keeps the audio * stream going. * ****************************************************************************/ static void *cxd56_workerthread(pthread_addr_t pvarg) { FAR struct cxd56_dev_s *priv = (struct cxd56_dev_s *)pvarg; struct audio_msg_s msg; unsigned int prio; int size; int ret; audinfo("Workerthread started.\n"); #ifndef CONFIG_AUDIO_EXCLUDE_STOP priv->terminating = false; #endif /* Mark ourself as running */ priv->running = true; /* Initial buffering */ ret = cxd56_start_dma(priv); if (ret != OK) { auderr("ERROR: Could not start DMA transfer (%d)\n", ret); priv->running = false; } while (priv->running) { size = file_mq_receive(&priv->mq, (FAR char *)&msg, sizeof(msg), &prio); /* Handle the case when we return with no message */ if (size == 0) { priv->running = false; break; } /* Process the message */ switch (msg.msg_id) { case AUDIO_MSG_STOP: ret = cxd56_stop_dma(priv); if (ret != CXD56_AUDIO_ECODE_OK) { auderr("ERROR: Could not stop DMA transfer (%d)\n", ret); priv->running = false; } #ifdef CONFIG_AUDIO_CXD56_SRC ret = cxd56_src_stop(); if (ret != OK) { auderr("ERROR: Could not stop SRC (%d)\n", ret); } ret = cxd56_src_deinit(); if (ret != OK) { auderr("ERROR: Could not deinit SRC (%d)\n", ret); } #endif priv->state = CXD56_DEV_STATE_STOPPED; priv->running = false; audinfo("Workerthread stopped.\n"); break; case AUDIO_MSG_DATA_REQUEST: if (priv->state == CXD56_DEV_STATE_STARTED) { cxd56_start_dma(priv); } break; case AUDIO_MSG_ENQUEUE: if (priv->state == CXD56_DEV_STATE_BUFFERING) { audwarn("Buffering up_pendq=%d \n", dq_count(&priv->up_pendq)); FAR struct ap_buffer_s *apb; apb = (struct ap_buffer_s *)(&priv->up_pendq)->tail; bool final = (apb != NULL) && ((apb->flags & AUDIO_APB_FINAL) != 0); /* If up_pendq exceeds the threshold or up_pendq * contains the final buffer, then start dma. */ if (CONFIG_CXD56_AUDIO_NUM_BUFFERS <= dq_count(&priv->up_pendq) || final) { cxd56_resume((FAR struct audio_lowerhalf_s *)priv); } } break; default: break; } } file_mq_close(&priv->mq); file_mq_unlink(priv->mqname); /* Send AUDIO_MSG_COMPLETE to the client */ #ifdef CONFIG_AUDIO_MULTI_SESSION priv->dev.upper(priv->dev.priv, AUDIO_CALLBACK_COMPLETE, NULL, OK, NULL); #else priv->dev.upper(priv->dev.priv, AUDIO_CALLBACK_COMPLETE, NULL, OK); #endif return NULL; } /* Setup worker thread and message queue */ static int cxd56_init_worker(FAR struct audio_lowerhalf_s *dev) { FAR struct cxd56_dev_s *priv = (FAR struct cxd56_dev_s *)dev; struct sched_param sparam; struct mq_attr m_attr; pthread_attr_t t_attr; void *value; int ret; snprintf(priv->mqname, sizeof(priv->mqname), "/tmp/%" PRIXPTR, (uintptr_t)priv); m_attr.mq_maxmsg = 16; m_attr.mq_msgsize = sizeof(struct audio_msg_s); m_attr.mq_curmsgs = 0; m_attr.mq_flags = 0; ret = file_mq_open(&priv->mq, priv->mqname, O_RDWR | O_CREAT, 0644, &m_attr); if (ret < 0) { auderr("ERROR: Could not allocate message queue.\n"); return ret; } /* Join any old worker thread we had created to prevent a memory leak */ if (priv->threadid != 0) { pthread_join(priv->threadid, &value); } pthread_attr_init(&t_attr); sparam.sched_priority = sched_get_priority_max(SCHED_FIFO) - 3; (void)pthread_attr_setschedparam(&t_attr, &sparam); (void)pthread_attr_setstacksize(&t_attr, CONFIG_CXD56_AUDIO_WORKER_STACKSIZE); ret = pthread_create(&priv->threadid, &t_attr, cxd56_workerthread, (pthread_addr_t)priv); if (ret != OK) { auderr("ERROR: pthread_create failed (%d)\n", ret); return ret; } pthread_setname_np(priv->threadid, "cxd56"); return OK; } /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: cxd56_initialize * * Description: * Initialize audio on the CXD56 device * * Input Parameters: * ****************************************************************************/ struct audio_lowerhalf_s *cxd56_initialize( FAR const struct cxd56_lower_s *lower) { FAR struct cxd56_dev_s *priv; audinfo("cxd56_initialize\n"); priv = (FAR struct cxd56_dev_s *)kmm_zalloc(sizeof(struct cxd56_dev_s)); if (priv) { priv->dev.ops = &g_audioops; priv->lower = lower; priv->state = CXD56_DEV_STATE_OFF; nxsem_init(&priv->pendsem, 0, 1); dq_init(&priv->up_pendq); dq_init(&priv->up_runq); #ifdef CONFIG_AUDIO_CXD56_SRC dq_init(&priv->down_pendq); dq_init(&priv->down_runq); dq_init(&priv->down_doneq); #endif } return &priv->dev; }