/* * dbmdx-interface.h -- DBMDX interface definitions * * Copyright (C) 2014 DSP Group * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef _DBMDX_INTERFACE_H #define _DBMDX_INTERFACE_H #include #include #include #include #include #include #include #include #include #include #include "dbmdx-customer-def.h" #if defined(CONFIG_SND_SOC_DBMDX_COMPAT) #include "dbmdx-compat.h" #else #include #endif #if defined(CONFIG_DBMDX_NO_DTS_SUPPORT) #if IS_ENABLED(CONFIG_OF) #undef CONFIG_OF #endif /* CONFIG_OF */ #endif #if defined(CONFIG_SND_SOC_DBMDX_VA_NS_SUPPORT) #if !defined(DBMDX_VA_NS_SUPPORT) #define DBMDX_VA_NS_SUPPORT 1 #endif #endif #define DBMDX_KEEP_ALIVE_TIMER 1 #include #include #ifndef DBMD2_VA_FIRMWARE_NAME #define DBMD2_VA_FIRMWARE_NAME "dbmd2_va_fw.bin" #endif #ifndef DBMD2_VA_PREBOOT_FIRMWARE_NAME #define DBMD2_VA_PREBOOT_FIRMWARE_NAME "dbmd2_va_preboot_fw.bin" #endif #ifndef DBMD4_VA_ASRP_PARAMS_FIRMWARE_NAME #define DBMD4_VA_ASRP_PARAMS_FIRMWARE_NAME "dbmd4_va_asrp_fw.bin" #endif #ifndef DBMD2_VQE_FIRMWARE_NAME #define DBMD2_VQE_FIRMWARE_NAME "dbmd2_vqe_fw.bin" #endif #ifndef DBMD2_VQE_OVERLAY_FIRMWARE_NAME #define DBMD2_VQE_OVERLAY_FIRMWARE_NAME "dbmd2_vqe_overlay_fw.bin" #endif #ifndef DBMD4_VA_FIRMWARE_NAME #define DBMD4_VA_FIRMWARE_NAME "dbmd4_va_fw.bin" #endif #ifndef DBMD4_VA_PREBOOT_FIRMWARE_NAME #define DBMD4_VA_PREBOOT_FIRMWARE_NAME "dbmd4_va_preboot_fw.bin" #endif #ifndef DBMDX_VT_GRAM_NAME #define DBMDX_VT_GRAM_NAME "voice_grammar.bin" #endif #ifndef DBMDX_VT_NET_NAME #define DBMDX_VT_NET_NAME "voice_net.bin" #endif #ifndef DBMDX_VT_AMODEL_NAME #define DBMDX_VT_AMODEL_NAME "voice_amodel.bin" #endif #ifndef DBMDX_VC_GRAM_NAME #define DBMDX_VC_GRAM_NAME "vc_grammar.bin" #endif #ifndef DBMDX_VC_NET_NAME #define DBMDX_VC_NET_NAME "vc_net.bin" #endif #ifndef DBMDX_VC_AMODEL_NAME #define DBMDX_VC_AMODEL_NAME "vc_amodel.bin" #endif #ifndef DBMDX_VC_OKG_NAME #define DBMDX_VC_OKG_NAME "okg_amodel.bin" #endif #ifndef DBMDX_VE_GRAM_NAME #define DBMDX_VE_GRAM_NAME "ve_grammar.bin" #endif #ifndef DBMDX_VE_NET_NAME #define DBMDX_VE_NET_NAME "ve_net.bin" #endif #ifndef DBMDX_VE_AMODEL_NAME #define DBMDX_VE_AMODEL_NAME "ve_amodel.bin" #endif #define MAX_REQ_SIZE 4096 #define DBMDX_AMODEL_HEADER_SIZE 12 #define DBMDX_AMODEL_MAX_CHUNKS 3 #define DBMDX_MSLEEP_WAKEUP 35 #define DBMDX_MSLEEP_HIBARNATE 20 #define DBMDX_MSLEEP_CONFIG_VA_MODE_REG 50 #define DBMDX_MSLEEP_NON_OVERLAY_BOOT 300 #define DBMDX_MSLEEP_REQUEST_FW_FAIL 200 #define DBMDX_MSLEEP_ON_SV_INTERRUPT 100 #define DBMDX_MSLEEP_PCM_STREAMING_WORK 100 #define DBMDX_MSLEEP_DBG_MODE_CMD_RX 10 #define DBMDX_MSLEEP_DBG_MODE_CMD_TX 10 #define DBMDX_MSLEEP_DBG_AFTER_DETECTION 50 #define DBMDX_MSLEEP_BUFFERING_PAUSED 100 #define DBMDX_MSLEEP_AFTER_MIC_ENABLED 100 #define DBMDX_MSLEEP_IS_ALIVE 20 #define DBMDX_MSLEEP_IF_AUDIO_BUFFER_EMPTY 90 #define DBMDX_MSLEEP_AFTER_LOAD_ASRP 50 #define DBMDX_USLEEP_AFTER_ECHO_CANCELLER 5000 #define DBMDX_USLEEP_VQE_ALIVE 21000 #define DBMDX_USLEEP_VQE_ALIVE_ON_FAIL 10000 #define DBMDX_USLEEP_NO_SAMPLES 10000 #define DBMDX_USLEEP_SET_MODE 15000 #define DBMDX_USLEEP_AMODEL_HEADER 2000 #define DBMDX_USLEEP_AFTER_LOAD_AMODEL 10000 #define DBMDX_USLEEP_RESET_TOGGLE 10000 #define DBMDX_USLEEP_BEFORE_INIT_CONFIG 20000 #define DBMDX_MSLEEP_UART_PROBE 50 #define DBMDX_MSLEEP_UART_WAKEUP 50 #define DBMDX_MSLEEP_UART_WAIT_TILL_ALIVE 100 #define DBMDX_MSLEEP_UART_WAIT_FOR_CHECKSUM 50 #define DBMDX_MSLEEP_UART_D2_AFTER_LOAD_FW 50 #define DBMDX_MSLEEP_UART_D2_AFTER_RESET_32K 275 #define DBMDX_MSLEEP_UART_D4_AFTER_RESET_32K 80 #define DBMDX_USLEEP_UART_AFTER_LOAD_AMODEL 10000 #define DBMDX_USLEEP_UART_AFTER_WAKEUP_BYTE 100 #define DBMDX_USLEEP_UART_D2_BEFORE_RESET 10000 #define DBMDX_USLEEP_UART_D2_AFTER_RESET 15000 #define DBMDX_USLEEP_UART_D4_AFTER_RESET 15000 #define DBMDX_USLEEP_UART_D4_AFTER_LOAD_FW 10000 #define DBMDX_MSLEEP_SPI_VQE_SYS_CFG_CMD 60 #define DBMDX_MSLEEP_SPI_FINISH_BOOT_1 10 #define DBMDX_MSLEEP_SPI_FINISH_BOOT_2 10 #ifdef DBMDX_VA_NS_SUPPORT #define DBMDX_MSLEEP_SPI_WAKEUP 100 #else #define DBMDX_MSLEEP_SPI_WAKEUP 50 #endif #define DBMDX_MSLEEP_SPI_D2_AFTER_RESET_32K 300 #define DBMDX_MSLEEP_SPI_D2_AFTER_SBL 20 #define DBMDX_MSLEEP_SPI_D2_BEFORE_FW_CHECKSUM 20 #define DBMDX_MSLEEP_SPI_D4_AFTER_RESET_32K 85 #define DBMDX_MSLEEP_SPI_D4_AFTER_PLL_CHANGE 80 #define DBMDX_MSLEEP_SPI_D2_AFTER_PLL_CHANGE 5 #define DBMDX_USLEEP_SPI_VQE_CMD_AFTER_SEND 20000 #define DBMDX_USLEEP_SPI_VA_CMD_AFTER_SEND 500 #define DBMDX_USLEEP_SPI_VA_CMD_AFTER_SEND_2 500 #define DBMDX_USLEEP_SPI_VA_CMD_AFTER_BOOT 1000 #define DBMDX_USLEEP_SPI_AFTER_CHUNK_READ 10000 #define DBMDX_USLEEP_SPI_AFTER_LOAD_AMODEL 10000 #define DBMDX_USLEEP_SPI_D2_AFTER_RESET 5000 #define DBMDX_USLEEP_SPI_D2_AFTER_SBL 10000 #define DBMDX_USLEEP_SPI_D2_AFTER_BOOT 10000 #define DBMDX_USLEEP_SPI_D4_AFTER_BOOT 15000 #define DBMDX_USLEEP_SPI_D4_AFTER_RESET 15000 #define DBMDX_USLEEP_SPI_D4_POST_PLL 2000 #define DBMDX_MSLEEP_I2C_FINISH_BOOT 275 #define DBMDX_MSLEEP_I2C_VQE_SYS_CFG_CMD 60 #define DBMDX_MSLEEP_I2C_WAKEUP 50 #define DBMDX_MSLEEP_I2C_D2_AFTER_RESET_32K 300 #define DBMDX_MSLEEP_I2C_D2_CALLBACK 20 #define DBMDX_MSLEEP_I2C_D2_AFTER_SBL 20 #define DBMDX_MSLEEP_I2C_D2_BEFORE_FW_CHECKSUM 20 #define DBMDX_MSLEEP_I2C_D4_AFTER_RESET_32K 100 #define DBMDX_MSLEEP_I2C_D4_AFTER_SBL 20 #define DBMDX_MSLEEP_I2C_D4_BEFORE_FW_CHECKSUM 20 #define DBMDX_USLEEP_I2C_VQE_CMD_AFTER_SEND 20000 #define DBMDX_USLEEP_I2C_VA_CMD_AFTER_SEND 10000 #define DBMDX_USLEEP_I2C_VA_CMD_AFTER_SEND_2 10000 #define DBMDX_USLEEP_I2C_AFTER_BOOT_CMD 10000 #define DBMDX_USLEEP_I2C_AFTER_LOAD_AMODEL 10000 #define DBMDX_USLEEP_I2C_D2_AFTER_RESET 15000 #define DBMDX_USLEEP_I2C_D2_AFTER_SBL 10000 #define DBMDX_USLEEP_I2C_D2_AFTER_BOOT 10000 #define DBMDX_USLEEP_I2C_D4_AFTER_RESET 15000 #define DBMDX_USLEEP_I2C_D4_AFTER_BOOT 10000 #define DBMDX_DEBUG_MODE_OFF 0x0000 #define DBMDX_DEBUG_MODE_RECORD 0x0001 #define DBMDX_DEBUG_MODE_FW_LOG 0x0002 #define DBMDX_BOOT_MODE_NORMAL_BOOT 0x0000 #define DBMDX_BOOT_MODE_RESET_DISABLED 0x0001 #define DBMDX_BOOT_OPT_SEND_PREBOOT 0x0001 #define DBMDX_BOOT_OPT_VA_NO_UART_SYNC 0x0002 #define DBMDX_BOOT_OPT_NO_I2C_FREQ_CALLBACK 0x0004 #define DBMDX_BOOT_OPT_DONT_SENT_SBL 0x0008 #define DBMDX_BOOT_OPT_DONT_SET_PLL 0x0020 #define DBMDX_BOOT_OPT_DONT_CLR_CRC 0x0040 #define DBMDX_BOOT_OPT_DONT_VERIFY_CRC 0x0080 #define DBMDX_BOOT_OPT_DONT_SEND_START_BOOT 0x0100 #define DBMDX_BOOT_OPT_VERIFY_CHIP_ID 0x0200 #define DBMDX_BOOT_OPT_SET_GPIO_8_IN 0x0400 #define DBMDX_AMODEL_DEFAULT_OPTIONS 0x0000 #define DBMDX_AMODEL_INCLUDES_HEADERS 0x0001 #define DBMDX_AMODEL_SVT_ENCODING 0x0002 #define DBMDX_AMODEL_SINGLE_FILE_NO_HEADER 0x0004 #define DBMDX_LOAD_AMODEL_FOR_VE 0x0008 #define DBMDX_VE_SEND_DUMMY_AMODEL_4B 0x0010 #define DBMDX_AMODEL_TYPE_PRIMARY 0x0001 #define DBMDX_AMODEL_TYPE_SECONDARY 0x0002 #define DBMDX_NO_MODEL_SELECTED 0x0000 #define DBMDX_SV_MODEL_SELECTED 0x0001 #define DBMDX_OKG_MODEL_SELECTED 0x0002 #define DBMDX_LOAD_MODEL_NO_DETECTION 0x0001 #define DBMDX_DO_NOT_RELOAD_MODEL 0x0002 #define DBMDX_LOAD_MODEL_FROM_MEMORY 0x0004 #define DBMDX_NO_EXT_DETECTION_MODE_PARAMS 0x0000 #define DBMDX_MIC_CONFIG_SOURCE_EXPLICIT 0x0000 #define DBMDX_ASRP_PARAMS_OPTIONS_DEFAULT 0x0000 #define DBMDX_ASRP_PARAMS_OPTIONS_ALWAYS_RELOAD 0x0001 #define DBMDX_WAKELOCK_IRQ_TIMEOUT_MS 5000 struct chip_interface; enum dbmdx_firmware_active { /* firmware pre-boot */ DBMDX_FW_PRE_BOOT = 0, /* va firmware was powered off */ DBMDX_FW_POWER_OFF_VA, /* voice authentication */ DBMDX_FW_VA, /* voice quality enhancement */ DBMDX_FW_VQE, /* max supported firmwares */ DBMDX_FW_MAX }; enum dbmdx_audio_channel_operation { AUDIO_CHANNEL_OP_COPY = 0, AUDIO_CHANNEL_OP_DUPLICATE_1_TO_2, AUDIO_CHANNEL_OP_DUPLICATE_1_TO_4, AUDIO_CHANNEL_OP_DUPLICATE_2_TO_4, AUDIO_CHANNEL_OP_TRUNCATE_2_TO_1, AUDIO_CHANNEL_OP_TRUNCATE_4_TO_1, AUDIO_CHANNEL_OP_TRUNCATE_4_TO_2, AUDIO_CHANNEL_OP_MAX = AUDIO_CHANNEL_OP_TRUNCATE_4_TO_2 }; enum dbmdx_chip { DBMDX_CHIP_VA = 0, DBMDX_NR_OF_CHIP_TYPES, }; enum dbmdx_sv_recognition_mode { SV_RECOGNITION_MODE_DISABLED = 0, SV_RECOGNITION_MODE_VOICE_PHRASE_OR_CMD = 1, SV_RECOGNITION_MODE_VOICE_ENERGY = 2, }; #ifdef DMBDX_OKG_AMODEL_SUPPORT enum dbmdx_okg_recognition_mode { OKG_RECOGNITION_MODE_DISABLED = 0, OKG_RECOGNITION_MODE_ENABLED = 1, }; #endif enum dbmdx_detection_after_buffering_mode { DETECTION_AFTER_BUFFERING_OFF = 0, DETECTION_AFTER_BUFFERING_MODE_ENABLE_ALL = 1, DETECTION_AFTER_BUFFERING_MODE_SET_MODE_ONLY = 2, DETECTION_AFTER_BUFFERING_MODE_MAX, }; struct va_flags { int irq_inuse; int a_model_downloaded_to_fw; int amodel_len; enum dbmdx_sv_recognition_mode sv_recognition_mode; #ifdef DMBDX_OKG_AMODEL_SUPPORT int okg_a_model_downloaded_to_fw; int okg_amodel_len; bool okg_a_model_enabled; enum dbmdx_okg_recognition_mode okg_recognition_mode; u8 okg_amodel_checksum[4]; #endif #ifdef DBMDX_VA_NS_SUPPORT const char *va_last_loaded_asrp_params_file_name; bool va_ns_active; #endif int buffering; int buffering_paused; int pcm_worker_active; int pcm_streaming_active; bool pcm_streaming_pushing_zeroes; int sleep_not_allowed; int auto_detection_disabled; int padded_cmds_disabled; bool sv_capture_on_detect_disabled; bool reconfigure_mic_on_vad_change; bool disabling_mics_not_allowed; bool microphones_enabled; int cancel_pm_work; #ifdef DBMDX_KEEP_ALIVE_TIMER int cancel_keep_alive_work; #endif unsigned int mode; bool recovery_requested; int va_debug_val1; }; struct vqe_flags { int in_call; int use_case; int speaker_volume_level; }; struct vqe_fw_info { u16 major; u16 minor; u16 version; u16 patch; u16 debug; u16 tuning; }; struct amodel_info { char *amodel_buf; ssize_t amodel_size; ssize_t amodel_chunks_size[DBMDX_AMODEL_MAX_CHUNKS]; int num_of_amodel_chunks; bool amodel_loaded; u8 amodel_checksum[4]; }; enum dbmd2_xtal_id { DBMD2_XTAL_FREQ_24M_IMG1 = 0, DBMD2_XTAL_FREQ_24M_IMG2, DBMD2_XTAL_FREQ_24M_IMG3, DBMD2_XTAL_FREQ_9M_IMG4, DBMD2_XTAL_FREQ_24M_IMG5, DBMD2_XTAL_FREQ_19M_IMG6, DBMD2_XTAL_FREQ_32K_IMG7, DBMD2_XTAL_FREQ_32K_IMG8, }; enum dbmdx_load_amodel_mode { LOAD_AMODEL_PRIMARY = 0, LOAD_AMODEL_2NDARY = 1, LOAD_AMODEL_CUSTOM, #ifdef DMBDX_OKG_AMODEL_SUPPORT LOAD_AMODEL_OKG = 4, LOAD_AMODEL_MAX = LOAD_AMODEL_OKG #else LOAD_AMODEL_MAX = LOAD_AMODEL_CUSTOM #endif }; enum dbmdx_states { DBMDX_IDLE = 0, DBMDX_DETECTION = 1, #ifdef DBMDX_FW_BELOW_300 DBMDX_RESERVED = 2, DBMDX_BUFFERING = 3, #else DBMDX_BUFFERING = 2, DBMDX_UART_RECORDING = 3, #endif DBMDX_SLEEP_PLL_ON = 4, DBMDX_SLEEP_PLL_OFF = 5, DBMDX_HIBERNATE = 6, DBMDX_STREAMING = 7, /* CUSTOM STATE */ DBMDX_DETECTION_AND_STREAMING = 8, /* CUSTOM STATE */ DBMDX_NR_OF_STATES, }; enum dbmdx_bus_interface { DBMDX_INTERFACE_NONE = 0, DBMDX_INTERFACE_I2C, DBMDX_INTERFACE_SPI, DBMDX_INTERFACE_UART, DBMDX_NR_OF_INTERFACES, }; enum dbmdx_power_modes { /* * no firmware is active and the device is booting */ DBMDX_PM_BOOTING = 0, /* * a firmware is active and the device can be used */ DBMDX_PM_ACTIVE, /* * a firmware is active and the device is going to sleep */ DBMDX_PM_FALLING_ASLEEP, /* * chip is sleeping and needs to be woken up to be functional */ DBMDX_PM_SLEEPING, /* number of PM states */ DBMDX_PM_STATES, }; struct dbmdx_private { struct dbmdx_platform_data *pdata; /* lock for private data */ struct mutex p_lock; #ifdef CONFIG_PM_WAKELOCKS struct wakeup_source ps_nosuspend_wl; #endif enum dbmdx_firmware_active active_fw; enum dbmdx_firmware_active active_fw_va_chip; enum dbmdx_power_modes power_mode; enum dbmdx_bus_interface active_interface; enum dbmdx_interface_type active_interface_type_va; enum dbmdx_chip active_chip; enum dbmdx_chip usr_selected_chip; int sv_irq; struct platform_device *pdev; struct device *dev; const struct firmware *va_fw; const struct firmware *va_preboot_fw; const struct firmware *vqe_fw; const struct firmware *vqe_non_overlay_fw; struct firmware *dspg_gram; struct firmware *dspg_net; bool asleep; bool device_ready; struct clk *clocks[DBMDX_NR_OF_CLKS]; struct regulator *vregulator; struct work_struct sv_work; struct work_struct pcm_streaming_work; struct work_struct uevent_work; unsigned int audio_mode; unsigned int clk_type; unsigned int master_pll_rate; unsigned int bytes_per_sample; unsigned int current_pcm_rate; unsigned int audio_pcm_rate; unsigned int audio_pcm_channels; enum dbmdx_audio_channel_operation pcm_achannel_op; enum dbmdx_audio_channel_operation detection_achannel_op; unsigned int fw_vad_type; dev_t record_chrdev; struct cdev record_cdev; struct device *record_dev; struct cdev record_cdev_block; struct device *record_dev_block; struct kfifo pcm_kfifo; struct kfifo detection_samples_kfifo; void *detection_samples_kfifo_buf; unsigned int detection_samples_kfifo_buf_size; atomic_t audio_owner; struct amodel_info primary_amodel; struct amodel_info secondary_amodel; #ifdef DMBDX_OKG_AMODEL_SUPPORT struct amodel_info okg_amodel; #endif u8 *sbl_data; struct va_flags va_flags; struct vqe_flags vqe_flags; u32 vqe_vc_syscfg; u32 va_current_mic_config; u32 va_active_mic_config; u32 va_detection_mode; u16 va_detection_mode_custom_params; u32 va_cur_backlog_length; u32 va_last_word_id; bool va_capture_on_detect; #ifdef DMBDX_OKG_AMODEL_SUPPORT bool okg_a_model_support; #endif bool sv_a_model_support; bool sleep_disabled; bool mic_disabling_blocked; int va_debug_mode; #ifdef DBMDX_VA_NS_SUPPORT bool va_ns_enabled; int va_ns_cfg_index; bool va_ns_pcm_streaming_enabled; u32 va_load_asrp_params_options; #endif int va_cur_digital_mic_digital_gain; int va_cur_analog_mic_analog_gain; int va_cur_analog_mic_digital_gain; int cur_reset_gpio; int cur_wakeup_gpio; int cur_wakeup_disabled; int cur_wakeup_set_value; int cur_send_wakeup_seq; int cur_use_gpio_for_wakeup; int cur_firmware_id; u32 cur_boot_options; u32 boot_mode; u32 recovery_times; unsigned int num_dais; struct snd_soc_dai_driver *dais; int remote_codec_in_use; u8 read_audio_buf[MAX_REQ_SIZE + 8]; struct snd_pcm_substream *active_substream; struct delayed_work delayed_pm_work; struct workqueue_struct *dbmdx_workq; #ifdef DBMDX_KEEP_ALIVE_TIMER struct alarm keep_alive_timer; int keep_alive_timer_created; int keep_alive_timer_started; int keep_alive_triggers; struct work_struct keep_alive_work; #endif /* limit request size of audio data from the firmware */ unsigned long rxsize; /* sysfs */ struct class *ns_class; struct device *dbmdx_dev; /* common helper functions */ void (*reset_set)(struct dbmdx_private *p); void (*reset_release)(struct dbmdx_private *p); void (*reset_sequence)(struct dbmdx_private *p); void (*wakeup_set)(struct dbmdx_private *p); void (*wakeup_release)(struct dbmdx_private *p); void (*wakeup_toggle)(struct dbmdx_private *p); void (*lock)(struct dbmdx_private *p); void (*unlock)(struct dbmdx_private *p); int (*verify_checksum)(struct dbmdx_private *p, const u8 *expect, const u8 *got, size_t size); int (*va_set_speed)(struct dbmdx_private *p, enum dbmdx_va_speeds speed); unsigned long (*clk_get_rate)(struct dbmdx_private *p, enum dbmdx_clocks clk); long (*clk_set_rate)(struct dbmdx_private *p, enum dbmdx_clocks clk); int (*clk_enable)(struct dbmdx_private *p, enum dbmdx_clocks clk); int (*clk_disable)(struct dbmdx_private *p, enum dbmdx_clocks clk); /* external callbacks */ set_i2c_freq_cb set_i2c_freq_callback; event_cb event_callback; /* interface to the chip */ struct chip_interface *chip; struct chip_interface **interfaces; enum dbmdx_bus_interface *interface_types; unsigned int nr_of_interfaces; }; /* * main interface between the core layer and the chip */ struct chip_interface { /* wait till booting is allowed */ int (*can_boot)(struct dbmdx_private *p); /* prepare booting (e.g. increase speed) */ int (*prepare_boot)(struct dbmdx_private *p); /* send firmware to the chip and boot it */ int (*boot)(const void *fw_data, size_t fw_size, struct dbmdx_private *p, const void *checksum, size_t chksum_len, int load_fw); /* finish booting */ int (*finish_boot)(struct dbmdx_private *p); /* dump chip state */ int (*dump)(struct chip_interface *chip, char *buf); /* set VA firmware ready, (e.g. lower speed) */ int (*set_va_firmware_ready)(struct dbmdx_private *p); /* set VQE firmware ready */ int (*set_vqe_firmware_ready)(struct dbmdx_private *p); /* Enable/Disable Transport layer (UART/I2C/SPI) */ void (*transport_enable)(struct dbmdx_private *p, bool enable); /* read data from the chip */ ssize_t (*read)(struct dbmdx_private *p, void *buf, size_t len); /* write data to the chip */ ssize_t (*write)(struct dbmdx_private *p, const void *buf, size_t len); /* send command in VQE protocol format to the chip */ ssize_t (*send_cmd_vqe)(struct dbmdx_private *p, u32 command, u16 *response); /* send command in VA protocol format to the chip */ ssize_t (*send_cmd_va)(struct dbmdx_private *p, u32 command, u16 *response); /* send command in boot protocol format to the chip */ int (*send_cmd_boot)(struct dbmdx_private *p, u32 command); /* verify boot checksum */ int (*verify_boot_checksum)(struct dbmdx_private *p, const void *checksum, size_t chksum_len); /* prepare buffering of audio data (e.g. increase speed) */ int (*prepare_buffering)(struct dbmdx_private *p); /* read audio data */ int (*read_audio_data)(struct dbmdx_private *p, void *buf, size_t samples, bool to_read_metadata, size_t *available_samples, size_t *data_offset); /* finish buffering of audio data (e.g. lower speed) */ int (*finish_buffering)(struct dbmdx_private *p); /* prepare amodel loading (e.g. increase speed) */ int (*prepare_amodel_loading)(struct dbmdx_private *p); /* load acoustic model */ int (*load_amodel)(struct dbmdx_private *p, const void *data, size_t size, int num_of_chunks, size_t *chunk_sizes, const void *checksum, size_t chksum_len, u16 load_amodel_mode_cmd); /* finish amodel loading (e.g. lower speed) */ int (*finish_amodel_loading)(struct dbmdx_private *p); /* Get Read Chunk Size */ u32 (*get_read_chunk_size)(struct dbmdx_private *p); /* Get Write Chunk Size */ u32 (*get_write_chunk_size)(struct dbmdx_private *p); /* Set Read Chunk Size */ int (*set_read_chunk_size)(struct dbmdx_private *p, u32 size); /* Set Write Chunk Size */ int (*set_write_chunk_size)(struct dbmdx_private *p, u32 size); /* Resume Chip Interface */ void (*resume)(struct dbmdx_private *p); /* Suspend Chip Interface */ void (*suspend)(struct dbmdx_private *p); /* private data */ void *pdata; }; /* * character device */ int dbmdx_register_cdev(struct dbmdx_private *p); void dbmdx_deregister_cdev(struct dbmdx_private *p); void stream_set_position(struct snd_pcm_substream *substream, u32 position); u32 stream_get_position(struct snd_pcm_substream *substream); int dbmdx_set_pcm_timer_mode(struct snd_pcm_substream *substream, bool enable_timer); #ifndef CONFIG_SND_SOC_DBMDX extern int (*dbmdx_init_interface)(void); extern void (*dbmdx_deinit_interface)(void); int board_dbmdx_snd_init(void); void board_dbmdx_snd_exit(void); int snd_dbmdx_pcm_init(void); void snd_dbmdx_pcm_exit(void); #endif #endif