/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2014, Samsung Electronics Co. Ltd. All Rights Reserved. */ #ifndef __SSP_SENSORHUB_H__ #define __SSP_SENSORHUB_H__ #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/iio/common/ssp_sensors.h> #include <linux/iio/iio.h> #include <linux/spi/spi.h> #define SSP_DEVICE_ID … #ifdef SSP_DBG #define ssp_dbg … #else #define ssp_dbg(format, ...) … #endif #define SSP_SW_RESET_TIME … /* Sensor polling in ms */ #define SSP_DEFAULT_POLLING_DELAY … #define SSP_DEFAULT_RETRIES … #define SSP_DATA_PACKET_SIZE … #define SSP_HEADER_BUFFER_SIZE … enum { … }; enum { … }; /* Firmware download STATE */ enum { … }; #define SSP_INVALID_REVISION … #define SSP_INVALID_REVISION2 … /* AP -> SSP Instruction */ #define SSP_MSG2SSP_INST_BYPASS_SENSOR_ADD … #define SSP_MSG2SSP_INST_BYPASS_SENSOR_RM … #define SSP_MSG2SSP_INST_REMOVE_ALL … #define SSP_MSG2SSP_INST_CHANGE_DELAY … #define SSP_MSG2SSP_INST_LIBRARY_ADD … #define SSP_MSG2SSP_INST_LIBRARY_REMOVE … #define SSP_MSG2SSP_INST_LIB_NOTI … #define SSP_MSG2SSP_INST_LIB_DATA … #define SSP_MSG2SSP_AP_MCU_SET_GYRO_CAL … #define SSP_MSG2SSP_AP_MCU_SET_ACCEL_CAL … #define SSP_MSG2SSP_AP_STATUS_SHUTDOWN … #define SSP_MSG2SSP_AP_STATUS_WAKEUP … #define SSP_MSG2SSP_AP_STATUS_SLEEP … #define SSP_MSG2SSP_AP_STATUS_RESUME … #define SSP_MSG2SSP_AP_STATUS_SUSPEND … #define SSP_MSG2SSP_AP_STATUS_RESET … #define SSP_MSG2SSP_AP_STATUS_POW_CONNECTED … #define SSP_MSG2SSP_AP_STATUS_POW_DISCONNECTED … #define SSP_MSG2SSP_AP_TEMPHUMIDITY_CAL_DONE … #define SSP_MSG2SSP_AP_MCU_SET_DUMPMODE … #define SSP_MSG2SSP_AP_MCU_DUMP_CHECK … #define SSP_MSG2SSP_AP_MCU_BATCH_FLUSH … #define SSP_MSG2SSP_AP_MCU_BATCH_COUNT … #define SSP_MSG2SSP_AP_WHOAMI … #define SSP_MSG2SSP_AP_FIRMWARE_REV … #define SSP_MSG2SSP_AP_SENSOR_FORMATION … #define SSP_MSG2SSP_AP_SENSOR_PROXTHRESHOLD … #define SSP_MSG2SSP_AP_SENSOR_BARCODE_EMUL … #define SSP_MSG2SSP_AP_SENSOR_SCANNING … #define SSP_MSG2SSP_AP_SET_MAGNETIC_HWOFFSET … #define SSP_MSG2SSP_AP_GET_MAGNETIC_HWOFFSET … #define SSP_MSG2SSP_AP_SENSOR_GESTURE_CURRENT … #define SSP_MSG2SSP_AP_GET_THERM … #define SSP_MSG2SSP_AP_GET_BIG_DATA … #define SSP_MSG2SSP_AP_SET_BIG_DATA … #define SSP_MSG2SSP_AP_START_BIG_DATA … #define SSP_MSG2SSP_AP_SET_MAGNETIC_STATIC_MATRIX … #define SSP_MSG2SSP_AP_SENSOR_TILT … #define SSP_MSG2SSP_AP_MCU_SET_TIME … #define SSP_MSG2SSP_AP_MCU_GET_TIME … #define SSP_MSG2SSP_AP_FUSEROM … /* voice data */ #define SSP_TYPE_WAKE_UP_VOICE_SERVICE … #define SSP_TYPE_WAKE_UP_VOICE_SOUND_SOURCE_AM … #define SSP_TYPE_WAKE_UP_VOICE_SOUND_SOURCE_GRAMMER … /* Factory Test */ #define SSP_ACCELEROMETER_FACTORY … #define SSP_GYROSCOPE_FACTORY … #define SSP_GEOMAGNETIC_FACTORY … #define SSP_PRESSURE_FACTORY … #define SSP_GESTURE_FACTORY … #define SSP_TEMPHUMIDITY_CRC_FACTORY … #define SSP_GYROSCOPE_TEMP_FACTORY … #define SSP_GYROSCOPE_DPS_FACTORY … #define SSP_MCU_FACTORY … #define SSP_MCU_SLEEP_FACTORY … /* SSP -> AP ACK about write CMD */ #define SSP_MSG_ACK … #define SSP_MSG_NAK … struct ssp_sensorhub_info { … }; /* ssp_msg options bit */ #define SSP_RW … #define SSP_INDEX … #define SSP_AP2HUB_READ … #define SSP_AP2HUB_WRITE … #define SSP_HUB2AP_WRITE … #define SSP_AP2HUB_READY … #define SSP_AP2HUB_RETURN … /** * struct ssp_data - ssp platformdata structure * @spi: spi device * @sensorhub_info: info about sensorhub board specific features * @wdt_timer: watchdog timer * @work_wdt: watchdog work * @work_firmware: firmware upgrade work queue * @work_refresh: refresh work queue for reset request from MCU * @shut_down: shut down flag * @mcu_dump_mode: mcu dump mode for debug * @time_syncing: time syncing indication flag * @timestamp: previous time in ns calculated for time syncing * @check_status: status table for each sensor * @com_fail_cnt: communication fail count * @reset_cnt: reset count * @timeout_cnt: timeout count * @available_sensors: available sensors seen by sensorhub (bit array) * @cur_firm_rev: cached current firmware revision * @last_resume_state: last AP resume/suspend state used to handle the PM * state of ssp * @last_ap_state: (obsolete) sleep notification for MCU * @sensor_enable: sensor enable mask * @delay_buf: data acquisition intervals table * @batch_latency_buf: yet unknown but existing in communication protocol * @batch_opt_buf: yet unknown but existing in communication protocol * @accel_position: yet unknown but existing in communication protocol * @mag_position: yet unknown but existing in communication protocol * @fw_dl_state: firmware download state * @comm_lock: lock protecting the handshake * @pending_lock: lock protecting pending list and completion * @mcu_reset_gpiod: mcu reset line * @ap_mcu_gpiod: ap to mcu gpio line * @mcu_ap_gpiod: mcu to ap gpio line * @pending_list: pending list for messages queued to be sent/read * @sensor_devs: registered IIO devices table * @enable_refcount: enable reference count for wdt (watchdog timer) * @header_buffer: cache aligned buffer for packet header */ struct ssp_data { … }; void ssp_clean_pending_list(struct ssp_data *data); int ssp_command(struct ssp_data *data, char command, int arg); int ssp_send_instruction(struct ssp_data *data, u8 inst, u8 sensor_type, u8 *send_buf, u8 length); int ssp_irq_msg(struct ssp_data *data); int ssp_get_chipid(struct ssp_data *data); int ssp_set_magnetic_matrix(struct ssp_data *data); unsigned int ssp_get_sensor_scanning_info(struct ssp_data *data); unsigned int ssp_get_firmware_rev(struct ssp_data *data); int ssp_queue_ssp_refresh_task(struct ssp_data *data, unsigned int delay); #endif /* __SSP_SENSORHUB_H__ */
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