diff options
Diffstat (limited to 'drivers/sensorhub/ssp.h')
| -rw-r--r-- | drivers/sensorhub/ssp.h | 410 |
1 files changed, 410 insertions, 0 deletions
diff --git a/drivers/sensorhub/ssp.h b/drivers/sensorhub/ssp.h new file mode 100644 index 0000000..9986c08 --- /dev/null +++ b/drivers/sensorhub/ssp.h @@ -0,0 +1,410 @@ +/* + * Copyright (C) 2011, 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_PRJ_H__ +#define __SSP_PRJ_H__ + +#include <linux/kernel.h> +#include <linux/i2c.h> +#include <linux/uaccess.h> +#include <linux/slab.h> +#include <linux/input.h> +#include <linux/interrupt.h> +#include <linux/workqueue.h> +#include <linux/gpio.h> +#include <linux/earlysuspend.h> +#include <linux/wakelock.h> +#include <linux/miscdevice.h> +#include <linux/ssp_platformdata.h> +#include <linux/delay.h> +#include <linux/firmware.h> +#include <linux/timer.h> + +#ifdef CONFIG_SENSORS_SSP_SENSORHUB +#include <linux/completion.h> +#include <linux/kthread.h> +#include <linux/list.h> +#endif + +#define SSP_DBG 1 + +#define SUCCESS 1 +#define FAIL 0 +#define ERROR -1 + +#define CANCELATION_THRESHOLD 9 +#define DEFAULT_THRESHOLD 13 +#define OTHERS_OCTA_DEFAULT_THRESHOLD 11 +#define WHITE_OCTA_DEFAULT_THRESHOLD 13 +#define GRAY_OCTA_DEFAULT_THRESHOLD 12 + +#define FACTORY_DATA_MAX 39 +#if SSP_DBG +#define SSP_FUNC_DBG 1 +#define SSP_DATA_DBG 0 + +#define ssp_dbg(dev, format, ...) do { \ + printk(KERN_INFO dev, format, ##__VA_ARGS__); \ + } while (0) +#else +#define ssp_dbg(dev, format, ...) +#endif + +#if SSP_FUNC_DBG +#define func_dbg() do { \ + printk(KERN_INFO "[SSP]: %s\n", __func__); \ + } while (0) +#else +#define func_dbg() +#endif + +#if SSP_DATA_DBG +#define data_dbg(dev, format, ...) do { \ + printk(KERN_INFO dev, format, ##__VA_ARGS__); \ + } while (0) +#else +#define data_dbg(dev, format, ...) +#endif + +#define SSP_SW_RESET_TIME 3000 + +#define DEFUALT_POLLING_DELAY (200 * NSEC_PER_MSEC) +#define PROX_AVG_READ_NUM 80 + +/* Sensor Sampling Time Define */ +enum { + SENSOR_NS_DELAY_FASTEST = 10000000, /* 10msec */ + SENSOR_NS_DELAY_GAME = 20000000, /* 20msec */ + SENSOR_NS_DELAY_UI = 66700000, /* 66.7msec */ + SENSOR_NS_DELAY_NORMAL = 200000000, /* 200msec */ +}; + +enum { + SENSOR_MS_DELAY_FASTEST = 10, /* 10msec */ + SENSOR_MS_DELAY_GAME = 20, /* 20msec */ + SENSOR_MS_DELAY_UI = 66, /* 66.7msec */ + SENSOR_MS_DELAY_NORMAL = 200, /* 200msec */ +}; + +enum { + SENSOR_CMD_DELAY_FASTEST = 0, /* 10msec */ + SENSOR_CMD_DELAY_GAME, /* 20msec */ + SENSOR_CMD_DELAY_UI, /* 66.7msec */ + SENSOR_CMD_DELAY_NORMAL, /* 200msec */ +}; + +/* + * SENSOR_DELAY_SET_STATE + * Check delay set to avoid sending ADD instruction twice + */ +enum { + INITIALIZATION_STATE = 0, + NO_SENSOR_STATE, + ADD_SENSOR_STATE, + RUNNING_SENSOR_STATE, +}; + +/* Gyroscope DPS */ +#define GYROSCOPE_DPS250 250 +#define GYROSCOPE_DPS500 500 +#define GYROSCOPE_DPS2000 2000 + +/* kernel -> ssp manager cmd*/ +#define SSP_LIBRARY_SLEEP_CMD (1 << 5) +#define SSP_LIBRARY_LARGE_DATA_CMD (1 << 6) +#define SSP_LIBRARY_WAKEUP_CMD (1 << 7) + +/* ioctl command */ +#define AKMIO 0xA1 +#define ECS_IOCTL_GET_FUSEROMDATA _IOR(AKMIO, 0x01, unsigned char[3]) +#define ECS_IOCTL_GET_MAGDATA _IOR(AKMIO, 0x02, unsigned char[8]) +#define ECS_IOCTL_GET_ACCDATA _IOR(AKMIO, 0x03, int[3]) + +/* AP -> SSP Instruction */ +#define MSG2SSP_INST_BYPASS_SENSOR_ADD 0xA1 +#define MSG2SSP_INST_BYPASS_SENSOR_REMOVE 0xA2 +#define MSG2SSP_INST_REMOVE_ALL 0xA3 +#define MSG2SSP_INST_CHANGE_DELAY 0xA4 +#define MSG2SSP_INST_SENSOR_SELFTEST 0xA8 +#define MSG2SSP_INST_LIBRARY_ADD 0xB1 +#define MSG2SSP_INST_LIBRARY_REMOVE 0xB2 + +#define MSG2SSP_AP_STT 0xC8 +#define MSG2SSP_AP_STATUS_WAKEUP 0xD1 +#define MSG2SSP_AP_STATUS_SLEEP 0xD2 +#define MSG2SSP_AP_STATUS_RESET 0xD3 +#define MSG2SSP_AP_WHOAMI 0x0F +#define MSG2SSP_AP_FIRMWARE_REV 0xF0 +#define MSG2SSP_AP_SENSOR_FORMATION 0xF1 +#define MSG2SSP_AP_SENSOR_PROXTHRESHOLD 0xF2 +#define MSG2SSP_AP_SENSOR_BARCODE_EMUL 0xF3 +#define MSG2SSP_AP_SENSOR_SCANNING 0xF4 + +#define MSG2SSP_AP_FUSEROM 0X01 + +/* AP -> SSP Data Protocol Frame Field */ +#define MSG2SSP_SSP_SLEEP 0xC1 +#define MSG2SSP_STS 0xC2 /* Start to Send */ +#define MSG2SSP_RTS 0xC4 /* Ready to Send */ +#define MSG2SSP_SRM 0xCA /* Start to Read MSG */ +#define MSG2SSP_SSM 0xCB /* Start to Send MSG */ +#define MSG2SSP_SSD 0xCE /* Start to Send Data Type & Length */ + +/* SSP -> AP ACK about write CMD */ +#define MSG_ACK 0x80 /* ACK from SSP to AP */ +#define MSG_NAK 0x70 /* NAK from SSP to AP */ + +#ifdef CONFIG_SENSORS_SSP_SENSORHUB +#define SUBCMD_GPIOWAKEUP 0X02 +#define SUBCMD_POWEREUP 0X04 +#define MSG2SSP_STT 0xC8 +#define LIBRARY_MAX_NUM 8 +#endif + +/* SSP_INSTRUCTION_CMD */ +enum { + REMOVE_SENSOR = 0, + ADD_SENSOR, + CHANGE_DELAY, + GO_SLEEP, + FACTORY_MODE, + REMOVE_LIBRARY, + ADD_LIBRARY, +}; + +/* SENSOR_TYPE */ +enum { + ACCELEROMETER_SENSOR = 0, + GYROSCOPE_SENSOR, + GEOMAGNETIC_SENSOR, + PRESSURE_SENSOR, + GESTURE_SENSOR, + PROXIMITY_SENSOR, + LIGHT_SENSOR, + PROXIMITY_RAW, + ORIENTATION_SENSOR, + SENSOR_MAX, +}; + +/* SENSOR_FACTORY_MODE_TYPE */ +enum { + ACCELEROMETER_FACTORY = 0, + GYROSCOPE_FACTORY, + GEOMAGNETIC_FACTORY, + PRESSURE_FACTORY, + MCU_FACTORY, + GYROSCOPE_TEMP_FACTORY, + GYROSCOPE_DPS_FACTORY, + MCU_SLEEP_FACTORY, + SENSOR_FACTORY_MAX, +}; + +struct sensor_value { + union { + struct { + s16 x; + s16 y; + s16 z; + }; + struct { + u16 r; + u16 g; + u16 b; + u16 w; + }; + u8 prox[4]; + s16 data[4]; + s32 pressure[3]; + }; +}; + +struct calibraion_data { + int x; + int y; + int z; +}; + +#ifdef CONFIG_SENSORS_SSP_SENSORHUB +struct sensorhub_event { + char *library_data; + int library_length; + struct list_head list; +}; +#endif + +struct ssp_data { + struct input_dev *acc_input_dev; + struct input_dev *gyro_input_dev; + struct input_dev *pressure_input_dev; + struct input_dev *light_input_dev; + struct input_dev *prox_input_dev; + + struct i2c_client *client; + struct wake_lock ssp_wake_lock; + struct miscdevice akmd_device; + struct timer_list debug_timer; + struct workqueue_struct *debug_wq; + struct work_struct work_debug; + struct calibraion_data accelcal; + struct calibraion_data gyrocal; + struct sensor_value buf[SENSOR_MAX]; + struct device *sen_dev; + + bool bCheckSuspend; + bool bDebugEnabled; + bool bMcuIRQTestSuccessed; + bool bAccelAlert; + bool bProximityRawEnabled; + bool bBarcodeEnabled; + bool bBinaryChashed; + + unsigned char uProxCanc; + unsigned char uProxThresh; + unsigned char uFuseRomData[3]; + unsigned char uFactorydata[FACTORY_DATA_MAX]; + char *pchLibraryBuf; + char chLcdLdi[2]; + int iIrq; + int iLibraryLength; + int aiCheckStatus[SENSOR_MAX]; + int iIrqWakeCnt; + + unsigned int uSsdFailCnt; + unsigned int uResetCnt; + unsigned int uI2cFailCnt; + unsigned int uTimeOutCnt; + unsigned int uBusyCnt; + unsigned int uGyroDps; + unsigned int uAliveSensorDebug; + unsigned int uCurFirmRev; + unsigned int uFactoryProxAvg[4]; + unsigned int uFactorydataReady; + s32 iPressureCal; + + atomic_t aSensorEnable; + int64_t adDelayBuf[SENSOR_MAX]; + + int (*wakeup_mcu)(void); + int (*check_mcu_ready)(void); + int (*check_mcu_busy)(void); + int (*set_mcu_reset)(int); + int (*check_ap_rev)(void); + void (*get_sensor_data[SENSOR_MAX])(char *, int *, + struct sensor_value *); + void (*report_sensor_data[SENSOR_MAX])(struct ssp_data *, + struct sensor_value *); + +#ifdef CONFIG_HAS_EARLYSUSPEND + struct early_suspend early_suspend; +#endif + +#ifdef CONFIG_SENSORS_SSP_SENSORHUB + struct input_dev *sensorhub_input_dev; + struct miscdevice sensorhub_device; + struct wake_lock sensorhub_wake_lock; + struct completion transfer_done; + struct task_struct *sensorhub_task; + struct sensorhub_event events_head; + struct sensorhub_event events[LIBRARY_MAX_NUM]; + int event_number; + int large_library_length; + char *large_library_data; + wait_queue_head_t sensorhub_waitqueue; +#endif +}; + +int waiting_wakeup_mcu(struct ssp_data *data); +int ssp_i2c_read(struct ssp_data *data, char *pTxData, u16 uTxLength, + char *pRxData, u16 uRxLength); +void toggle_mcu_reset(struct ssp_data *); +int initialize_mcu(struct ssp_data *); +int initialize_input_dev(struct ssp_data *); +int initialize_sysfs(struct ssp_data *); +void initialize_accel_factorytest(struct ssp_data *); +void initialize_prox_factorytest(struct ssp_data *); +void initialize_light_factorytest(struct ssp_data *); +void initialize_gyro_factorytest(struct ssp_data *); +void initialize_pressure_factorytest(struct ssp_data *); +void initialize_magnetic_factorytest(struct ssp_data *); +void initialize_function_pointer(struct ssp_data *); +void initialize_magnetic(struct ssp_data *); +int initialize_event_symlink(struct ssp_data *); +int accel_open_calibration(struct ssp_data *); +int gyro_open_calibration(struct ssp_data *); +int pressure_open_calibration(struct ssp_data *); +int proximity_open_calibration(struct ssp_data *); +void check_fwbl(struct ssp_data *); +int update_mcu_bin(struct ssp_data *); +int update_crashed_mcu_bin(struct ssp_data *); +void remove_input_dev(struct ssp_data *); +void remove_sysfs(struct ssp_data *); +void remove_event_symlink(struct ssp_data *); +int ssp_sleep_mode(struct ssp_data *); +int ssp_resume_mode(struct ssp_data *); +int send_instruction(struct ssp_data *, u8, u8, u8 *, u8); +int select_irq_msg(struct ssp_data *); +int get_chipid(struct ssp_data *); +int get_fuserom_data(struct ssp_data *); +int set_sensor_position(struct ssp_data *); +void sync_sensor_state(struct ssp_data *); +void set_proximity_threshold(struct ssp_data *); +void set_proximity_barcode_enable(struct ssp_data *, bool); +unsigned int get_delay_cmd(u8); +unsigned int get_msdelay(int64_t); +unsigned int get_sensor_scanning_info(struct ssp_data *); +unsigned int get_firmware_rev(struct ssp_data *); +int parse_dataframe(struct ssp_data *, char *, int); +void enable_debug_timer(struct ssp_data *); +void disable_debug_timer(struct ssp_data *); +int initialize_debug_timer(struct ssp_data *); +int proximity_open_lcd_ldi(struct ssp_data *); +void report_acc_data(struct ssp_data *, struct sensor_value *); +void report_gyro_data(struct ssp_data *, struct sensor_value *); +void report_mag_data(struct ssp_data *, struct sensor_value *); +void report_gesture_data(struct ssp_data *, struct sensor_value *); +void report_pressure_data(struct ssp_data *, struct sensor_value *); +void report_light_data(struct ssp_data *, struct sensor_value *); +void report_prox_data(struct ssp_data *, struct sensor_value *); +void report_prox_raw_data(struct ssp_data *, struct sensor_value *); +void print_mcu_debug(char *, int *); +unsigned int get_module_rev(void); +void reset_mcu(struct ssp_data *); +void convert_acc_data(s16 *); +int sensors_register(struct device *, void *, + struct device_attribute*[], char *); +ssize_t mcu_reset_show(struct device *, struct device_attribute *, char *); +ssize_t mcu_revision_show(struct device *, struct device_attribute *, char *); +ssize_t mcu_update_show(struct device *, struct device_attribute *, char *); +ssize_t mcu_update2_show(struct device *, struct device_attribute *, char *); +ssize_t mcu_factorytest_store(struct device *, struct device_attribute *, + const char *, size_t); +ssize_t mcu_factorytest_show(struct device *, + struct device_attribute *, char *); +ssize_t mcu_model_name_show(struct device *, + struct device_attribute *, char *); +ssize_t mcu_sleep_factorytest_show(struct device *, + struct device_attribute *, char *); +ssize_t mcu_sleep_factorytest_store(struct device *, + struct device_attribute *, const char *, size_t); + +#ifdef CONFIG_SENSORS_SSP_SENSORHUB +void ssp_report_sensorhub_notice(struct ssp_data *data, char notice); +int ssp_handle_sensorhub_data(struct ssp_data *data, char *dataframe, + int start, int end); +int ssp_handle_sensorhub_large_data(struct ssp_data *data, u8 sub_cmd); +int ssp_initialize_sensorhub(struct ssp_data *data); +void ssp_remove_sensorhub(struct ssp_data *data); +#endif +#endif |