| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Karol Wrona | 667 | 99.85% | 1 | 50.00% |
| Julia Lawall | 1 | 0.15% | 1 | 50.00% |
| Total | 668 | 2 |
/* * Copyright (C) 2014, Samsung Electronics Co. Ltd. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * */ #ifndef __SSP_SENSORHUB_H__ #define __SSP_SENSORHUB_H__ #include <linux/delay.h> #include <linux/gpio.h> #include <linux/iio/common/ssp_sensors.h> #include <linux/iio/iio.h> #include <linux/spi/spi.h> #define SSP_DEVICE_ID 0x55 #ifdef SSP_DBG #define ssp_dbg(format, ...) pr_info("[SSP] "format, ##__VA_ARGS__) #else #define ssp_dbg(format, ...) #endif #define SSP_SW_RESET_TIME 3000 /* Sensor polling in ms */ #define SSP_DEFAULT_POLLING_DELAY 200 #define SSP_DEFAULT_RETRIES 3 #define SSP_DATA_PACKET_SIZE 960 #define SSP_HEADER_BUFFER_SIZE 4 enum { SSP_KERNEL_BINARY = 0, SSP_KERNEL_CRASHED_BINARY, }; enum { SSP_INITIALIZATION_STATE = 0, SSP_NO_SENSOR_STATE, SSP_ADD_SENSOR_STATE, SSP_RUNNING_SENSOR_STATE, }; /* Firmware download STATE */ enum { SSP_FW_DL_STATE_FAIL = -1, SSP_FW_DL_STATE_NONE = 0, SSP_FW_DL_STATE_NEED_TO_SCHEDULE, SSP_FW_DL_STATE_SCHEDULED, SSP_FW_DL_STATE_DOWNLOADING, SSP_FW_DL_STATE_SYNC, SSP_FW_DL_STATE_DONE, }; #define SSP_INVALID_REVISION 99999 #define SSP_INVALID_REVISION2 0xffffff /* AP -> SSP Instruction */ #define SSP_MSG2SSP_INST_BYPASS_SENSOR_ADD 0xa1 #define SSP_MSG2SSP_INST_BYPASS_SENSOR_RM 0xa2 #define SSP_MSG2SSP_INST_REMOVE_ALL 0xa3 #define SSP_MSG2SSP_INST_CHANGE_DELAY 0xa4 #define SSP_MSG2SSP_INST_LIBRARY_ADD 0xb1 #define SSP_MSG2SSP_INST_LIBRARY_REMOVE 0xb2 #define SSP_MSG2SSP_INST_LIB_NOTI 0xb4 #define SSP_MSG2SSP_INST_LIB_DATA 0xc1 #define SSP_MSG2SSP_AP_MCU_SET_GYRO_CAL 0xcd #define SSP_MSG2SSP_AP_MCU_SET_ACCEL_CAL 0xce #define SSP_MSG2SSP_AP_STATUS_SHUTDOWN 0xd0 #define SSP_MSG2SSP_AP_STATUS_WAKEUP 0xd1 #define SSP_MSG2SSP_AP_STATUS_SLEEP 0xd2 #define SSP_MSG2SSP_AP_STATUS_RESUME 0xd3 #define SSP_MSG2SSP_AP_STATUS_SUSPEND 0xd4 #define SSP_MSG2SSP_AP_STATUS_RESET 0xd5 #define SSP_MSG2SSP_AP_STATUS_POW_CONNECTED 0xd6 #define SSP_MSG2SSP_AP_STATUS_POW_DISCONNECTED 0xd7 #define SSP_MSG2SSP_AP_TEMPHUMIDITY_CAL_DONE 0xda #define SSP_MSG2SSP_AP_MCU_SET_DUMPMODE 0xdb #define SSP_MSG2SSP_AP_MCU_DUMP_CHECK 0xdc #define SSP_MSG2SSP_AP_MCU_BATCH_FLUSH 0xdd #define SSP_MSG2SSP_AP_MCU_BATCH_COUNT 0xdf #define SSP_MSG2SSP_AP_WHOAMI 0x0f #define SSP_MSG2SSP_AP_FIRMWARE_REV 0xf0 #define SSP_MSG2SSP_AP_SENSOR_FORMATION 0xf1 #define SSP_MSG2SSP_AP_SENSOR_PROXTHRESHOLD 0xf2 #define SSP_MSG2SSP_AP_SENSOR_BARCODE_EMUL 0xf3 #define SSP_MSG2SSP_AP_SENSOR_SCANNING 0xf4 #define SSP_MSG2SSP_AP_SET_MAGNETIC_HWOFFSET 0xf5 #define SSP_MSG2SSP_AP_GET_MAGNETIC_HWOFFSET 0xf6 #define SSP_MSG2SSP_AP_SENSOR_GESTURE_CURRENT 0xf7 #define SSP_MSG2SSP_AP_GET_THERM 0xf8 #define SSP_MSG2SSP_AP_GET_BIG_DATA 0xf9 #define SSP_MSG2SSP_AP_SET_BIG_DATA 0xfa #define SSP_MSG2SSP_AP_START_BIG_DATA 0xfb #define SSP_MSG2SSP_AP_SET_MAGNETIC_STATIC_MATRIX 0xfd #define SSP_MSG2SSP_AP_SENSOR_TILT 0xea #define SSP_MSG2SSP_AP_MCU_SET_TIME 0xfe #define SSP_MSG2SSP_AP_MCU_GET_TIME 0xff #define SSP_MSG2SSP_AP_FUSEROM 0x01 /* voice data */ #define SSP_TYPE_WAKE_UP_VOICE_SERVICE 0x01 #define SSP_TYPE_WAKE_UP_VOICE_SOUND_SOURCE_AM 0x01 #define SSP_TYPE_WAKE_UP_VOICE_SOUND_SOURCE_GRAMMER 0x02 /* Factory Test */ #define SSP_ACCELEROMETER_FACTORY 0x80 #define SSP_GYROSCOPE_FACTORY 0x81 #define SSP_GEOMAGNETIC_FACTORY 0x82 #define SSP_PRESSURE_FACTORY 0x85 #define SSP_GESTURE_FACTORY 0x86 #define SSP_TEMPHUMIDITY_CRC_FACTORY 0x88 #define SSP_GYROSCOPE_TEMP_FACTORY 0x8a #define SSP_GYROSCOPE_DPS_FACTORY 0x8b #define SSP_MCU_FACTORY 0x8c #define SSP_MCU_SLEEP_FACTORY 0x8d /* SSP -> AP ACK about write CMD */ #define SSP_MSG_ACK 0x80 /* ACK from SSP to AP */ #define SSP_MSG_NAK 0x70 /* NAK from SSP to AP */ struct ssp_sensorhub_info { char *fw_name; char *fw_crashed_name; unsigned int fw_rev; const u8 * const mag_table; const unsigned int mag_length; }; /* ssp_msg options bit */ #define SSP_RW 0 #define SSP_INDEX 3 #define SSP_AP2HUB_READ 0 #define SSP_AP2HUB_WRITE 1 #define SSP_HUB2AP_WRITE 2 #define SSP_AP2HUB_READY 3 #define SSP_AP2HUB_RETURN 4 /** * 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_gpio: mcu reset line * @ap_mcu_gpio: ap to mcu gpio line * @mcu_ap_gpio: 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 { struct spi_device *spi; const struct ssp_sensorhub_info *sensorhub_info; struct timer_list wdt_timer; struct work_struct work_wdt; struct delayed_work work_refresh; bool shut_down; bool mcu_dump_mode; bool time_syncing; int64_t timestamp; int check_status[SSP_SENSOR_MAX]; unsigned int com_fail_cnt; unsigned int reset_cnt; unsigned int timeout_cnt; unsigned int available_sensors; unsigned int cur_firm_rev; char last_resume_state; char last_ap_state; unsigned int sensor_enable; u32 delay_buf[SSP_SENSOR_MAX]; s32 batch_latency_buf[SSP_SENSOR_MAX]; s8 batch_opt_buf[SSP_SENSOR_MAX]; int accel_position; int mag_position; int fw_dl_state; struct mutex comm_lock; struct mutex pending_lock; int mcu_reset_gpio; int ap_mcu_gpio; int mcu_ap_gpio; struct list_head pending_list; struct iio_dev *sensor_devs[SSP_SENSOR_MAX]; atomic_t enable_refcount; __le16 header_buffer[SSP_HEADER_BUFFER_SIZE / sizeof(__le16)] ____cacheline_aligned; }; 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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