diff options
Diffstat (limited to 'drivers/sensorhub/ssp_sysfs.c')
| -rw-r--r-- | drivers/sensorhub/ssp_sysfs.c | 478 |
1 files changed, 478 insertions, 0 deletions
diff --git a/drivers/sensorhub/ssp_sysfs.c b/drivers/sensorhub/ssp_sysfs.c new file mode 100644 index 0000000..fb1ad06 --- /dev/null +++ b/drivers/sensorhub/ssp_sysfs.c @@ -0,0 +1,478 @@ +/* + * Copyright (C) 2012, 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. + * + */ +#include "ssp.h" + +/*************************************************************************/ +/* SSP data delay function */ +/*************************************************************************/ + +unsigned int get_msdelay(int64_t dDelayRate) +{ + if (dDelayRate <= SENSOR_NS_DELAY_FASTEST) + return SENSOR_MS_DELAY_FASTEST; + else if (dDelayRate <= SENSOR_NS_DELAY_GAME) + return SENSOR_MS_DELAY_GAME; + else if (dDelayRate <= SENSOR_NS_DELAY_UI) + return SENSOR_MS_DELAY_UI; + else + return SENSOR_MS_DELAY_NORMAL; +} + +unsigned int get_delay_cmd(u8 uDelayRate) +{ + if (uDelayRate <= SENSOR_MS_DELAY_FASTEST) + return SENSOR_CMD_DELAY_FASTEST; + else if (uDelayRate <= SENSOR_MS_DELAY_GAME) + return SENSOR_CMD_DELAY_GAME; + else if (uDelayRate <= SENSOR_MS_DELAY_UI) + return SENSOR_CMD_DELAY_UI; + else + return SENSOR_CMD_DELAY_NORMAL; +} + +static void change_sensor_delay(struct ssp_data *data, + int iSensorType, int64_t dNewDelay) +{ + u8 uBuf[2]; + int64_t dTempDelay = data->adDelayBuf[iSensorType]; + + data->adDelayBuf[iSensorType] = dNewDelay; + + if (iSensorType == ORIENTATION_SENSOR) + iSensorType = ACCELEROMETER_SENSOR; + + switch (data->aiCheckStatus[iSensorType]) { + case ADD_SENSOR_STATE: + ssp_dbg("[SSP]: %s - add %u, New = %lldns\n", + __func__, 1 << iSensorType, dNewDelay); + + uBuf[1] = (u8)get_msdelay(dNewDelay); + uBuf[0] = (u8)get_delay_cmd(uBuf[1]); + send_instruction(data, ADD_SENSOR, iSensorType, uBuf, 2); + + data->aiCheckStatus[iSensorType] = RUNNING_SENSOR_STATE; + + if (iSensorType == PROXIMITY_SENSOR) { + input_report_abs(data->prox_input_dev, ABS_DISTANCE, 1); + input_sync(data->prox_input_dev); + } + break; + case RUNNING_SENSOR_STATE: + if (dTempDelay == data->adDelayBuf[iSensorType]) + break; + + ssp_dbg("[SSP]: %s - Change %u, New = %lldns\n", + __func__, 1 << iSensorType, dNewDelay); + + uBuf[1] = (u8)get_msdelay(dNewDelay); + uBuf[0] = (u8)get_delay_cmd(uBuf[1]); + send_instruction(data, CHANGE_DELAY, iSensorType, uBuf, 2); + break; + default: + data->aiCheckStatus[iSensorType] = ADD_SENSOR_STATE; + } +} + +/*************************************************************************/ +/* SSP data enable function */ +/*************************************************************************/ + +static int ssp_add_sensor(struct ssp_data *data, unsigned int uChangedSensor) +{ + if ((data->aiCheckStatus[uChangedSensor] != INITIALIZATION_STATE) + && (!atomic_read(&data->aSensorEnable))) { + if (data->bCheckSuspend == false) + data->bDebugEnabled = true; + } + + return 0; +} + +static int ssp_remove_sensor(struct ssp_data *data, + unsigned int uChangedSensor, unsigned int uNewEnable) +{ + u8 uBuf[2]; + int64_t dSensorDelay = data->adDelayBuf[uChangedSensor]; + + ssp_dbg("[SSP]: %s - remove sensor = %d, current state = %d\n", + __func__, (1 << uChangedSensor), uNewEnable); + + data->adDelayBuf[uChangedSensor] = DEFUALT_POLLING_DELAY; + + if (data->aiCheckStatus[uChangedSensor] == INITIALIZATION_STATE) { + data->aiCheckStatus[uChangedSensor] = NO_SENSOR_STATE; + if (uChangedSensor == ACCELEROMETER_SENSOR) + accel_open_calibration(data); + else if (uChangedSensor == GYROSCOPE_SENSOR) + gyro_open_calibration(data); + else if (uChangedSensor == PRESSURE_SENSOR) + pressure_open_calibration(data); + else if (uChangedSensor == PROXIMITY_SENSOR) { + proximity_open_lcd_ldi(data); + proximity_open_calibration(data); + } + return 0; + } else if (uChangedSensor == ORIENTATION_SENSOR) { + if (!(atomic_read(&data->aSensorEnable) + & (1 << ACCELEROMETER_SENSOR))) { + uChangedSensor = ACCELEROMETER_SENSOR; + } else { + change_sensor_delay(data, ACCELEROMETER_SENSOR, + data->adDelayBuf[ACCELEROMETER_SENSOR]); + return 0; + } + } else if (uChangedSensor == ACCELEROMETER_SENSOR) { + if (atomic_read(&data->aSensorEnable) + & (1 << ORIENTATION_SENSOR)) { + change_sensor_delay(data, ORIENTATION_SENSOR, + data->adDelayBuf[ORIENTATION_SENSOR]); + return 0; + } + } + + if (!uNewEnable) { + if (data->bCheckSuspend == false) + data->bDebugEnabled = false; + } + + uBuf[1] = (u8)get_msdelay(dSensorDelay); + uBuf[0] = (u8)get_delay_cmd(uBuf[1]); + + send_instruction(data, REMOVE_SENSOR, uChangedSensor, uBuf, 2); + data->aiCheckStatus[uChangedSensor] = NO_SENSOR_STATE; + return 0; +} + +/*************************************************************************/ +/* ssp Sysfs */ +/*************************************************************************/ + +static ssize_t show_sensors_enable(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ssp_data *data = dev_get_drvdata(dev); + + ssp_dbg("[SSP]: %s - cur_enable = %d\n", __func__, + atomic_read(&data->aSensorEnable)); + + return sprintf(buf, "%10u", atomic_read(&data->aSensorEnable)); +} + +static ssize_t set_sensors_enable(struct device *dev, + struct device_attribute *attr, const char *buf, size_t size) +{ + int64_t dTemp; + unsigned int uNewEnable = 0, uChangedSensor = 0; + struct ssp_data *data = dev_get_drvdata(dev); + + if (strict_strtoll(buf, 10, &dTemp) < 0) + return -1; + + uNewEnable = (unsigned int)dTemp; + ssp_dbg("[SSP]: %s - new_enable = %u, old_enable = %u\n", __func__, + uNewEnable, atomic_read(&data->aSensorEnable)); + + if (uNewEnable == atomic_read(&data->aSensorEnable)) + return 0; + + for (uChangedSensor = 0; uChangedSensor < SENSOR_MAX; uChangedSensor++) + if ((atomic_read(&data->aSensorEnable) & (1 << uChangedSensor)) + != (uNewEnable & (1 << uChangedSensor))) { + + if (uNewEnable & (1 << uChangedSensor)) + ssp_add_sensor(data, uChangedSensor); + else + ssp_remove_sensor(data, uChangedSensor, + uNewEnable); + break; + } + + atomic_set(&data->aSensorEnable, uNewEnable); + + return size; +} + +static ssize_t show_acc_delay(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ssp_data *data = dev_get_drvdata(dev); + + return sprintf(buf, "%lld\n", data->adDelayBuf[ACCELEROMETER_SENSOR]); +} + +static ssize_t set_acc_delay(struct device *dev, + struct device_attribute *attr, const char *buf, size_t size) +{ + int64_t dNewDelay; + struct ssp_data *data = dev_get_drvdata(dev); + + if (strict_strtoll(buf, 10, &dNewDelay) < 0) + return -1; + + if ((atomic_read(&data->aSensorEnable) & (1 << ORIENTATION_SENSOR)) && + (data->adDelayBuf[ORIENTATION_SENSOR] < dNewDelay)) + data->adDelayBuf[ACCELEROMETER_SENSOR] = dNewDelay; + else + change_sensor_delay(data, ACCELEROMETER_SENSOR, dNewDelay); + + return size; +} + +static ssize_t show_ori_delay(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ssp_data *data = dev_get_drvdata(dev); + + return sprintf(buf, "%lld\n", data->adDelayBuf[ORIENTATION_SENSOR]); +} + +static ssize_t set_ori_delay(struct device *dev, + struct device_attribute *attr, const char *buf, size_t size) +{ + int64_t dNewDelay; + struct ssp_data *data = dev_get_drvdata(dev); + + if (strict_strtoll(buf, 10, &dNewDelay) < 0) + return -1; + + if (data->aiCheckStatus[ACCELEROMETER_SENSOR] == NO_SENSOR_STATE) { + data->aiCheckStatus[ACCELEROMETER_SENSOR] = ADD_SENSOR_STATE; + change_sensor_delay(data, ORIENTATION_SENSOR, dNewDelay); + } else if (data->aiCheckStatus[ACCELEROMETER_SENSOR] == + RUNNING_SENSOR_STATE) { + if (dNewDelay < data->adDelayBuf[ACCELEROMETER_SENSOR]) + change_sensor_delay(data, + ORIENTATION_SENSOR, dNewDelay); + else + data->adDelayBuf[ORIENTATION_SENSOR] = dNewDelay; + } + return size; +} + +static ssize_t show_gyro_delay(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ssp_data *data = dev_get_drvdata(dev); + + return sprintf(buf, "%lld\n", data->adDelayBuf[GYROSCOPE_SENSOR]); +} + +static ssize_t set_gyro_delay(struct device *dev, + struct device_attribute *attr, const char *buf, size_t size) +{ + int64_t dNewDelay; + struct ssp_data *data = dev_get_drvdata(dev); + + if (strict_strtoll(buf, 10, &dNewDelay) < 0) + return -1; + + change_sensor_delay(data, GYROSCOPE_SENSOR, dNewDelay); + return size; +} + +static ssize_t show_mag_delay(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ssp_data *data = dev_get_drvdata(dev); + + return sprintf(buf, "%lld\n", data->adDelayBuf[GEOMAGNETIC_SENSOR]); +} + +static ssize_t set_mag_delay(struct device *dev, + struct device_attribute *attr, const char *buf, size_t size) +{ + int64_t dNewDelay; + struct ssp_data *data = dev_get_drvdata(dev); + + if (strict_strtoll(buf, 10, &dNewDelay) < 0) + return -1; + + change_sensor_delay(data, GEOMAGNETIC_SENSOR, dNewDelay); + + return size; +} + +static ssize_t show_pressure_delay(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ssp_data *data = dev_get_drvdata(dev); + + return sprintf(buf, "%lld\n", data->adDelayBuf[PRESSURE_SENSOR]); +} + +static ssize_t set_pressure_delay(struct device *dev, + struct device_attribute *attr, const char *buf, size_t size) +{ + int64_t dNewDelay; + struct ssp_data *data = dev_get_drvdata(dev); + + if (strict_strtoll(buf, 10, &dNewDelay) < 0) + return -1; + + change_sensor_delay(data, PRESSURE_SENSOR, dNewDelay); + return size; +} + +static ssize_t show_light_delay(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ssp_data *data = dev_get_drvdata(dev); + + return sprintf(buf, "%lld\n", data->adDelayBuf[LIGHT_SENSOR]); +} + +static ssize_t set_light_delay(struct device *dev, + struct device_attribute *attr, const char *buf, size_t size) +{ + int64_t dNewDelay; + struct ssp_data *data = dev_get_drvdata(dev); + + if (strict_strtoll(buf, 10, &dNewDelay) < 0) + return -1; + + change_sensor_delay(data, LIGHT_SENSOR, dNewDelay); + return size; +} + +static ssize_t show_prox_delay(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ssp_data *data = dev_get_drvdata(dev); + + return sprintf(buf, "%lld\n", data->adDelayBuf[PROXIMITY_SENSOR]); +} + +static ssize_t set_prox_delay(struct device *dev, + struct device_attribute *attr, const char *buf, size_t size) +{ + int64_t dNewDelay; + struct ssp_data *data = dev_get_drvdata(dev); + + if (strict_strtoll(buf, 10, &dNewDelay) < 0) + return -1; + + change_sensor_delay(data, PROXIMITY_SENSOR, dNewDelay); + return size; +} + +static DEVICE_ATTR(mcu_rev, S_IRUGO, mcu_revision_show, NULL); +static DEVICE_ATTR(mcu_name, S_IRUGO, mcu_model_name_show, NULL); +static DEVICE_ATTR(mcu_update, S_IRUGO, mcu_update_show, NULL); +static DEVICE_ATTR(mcu_update2, S_IRUGO, mcu_update2_show, NULL); +static DEVICE_ATTR(mcu_reset, S_IRUGO, mcu_reset_show, NULL); + +static DEVICE_ATTR(mcu_test, S_IRUGO | S_IWUSR | S_IWGRP, + mcu_factorytest_show, mcu_factorytest_store); +static DEVICE_ATTR(mcu_sleep_test, S_IRUGO | S_IWUSR | S_IWGRP, + mcu_sleep_factorytest_show, mcu_sleep_factorytest_store); +static DEVICE_ATTR(enable, S_IRUGO | S_IWUSR | S_IWGRP, + show_sensors_enable, set_sensors_enable); +static DEVICE_ATTR(acc_poll_delay, S_IRUGO | S_IWUSR | S_IWGRP, + show_acc_delay, set_acc_delay); +static DEVICE_ATTR(gyro_poll_delay, S_IRUGO | S_IWUSR | S_IWGRP, + show_gyro_delay, set_gyro_delay); +static DEVICE_ATTR(mag_poll_delay, S_IRUGO | S_IWUSR | S_IWGRP, + show_mag_delay, set_mag_delay); +static DEVICE_ATTR(ori_poll_delay, S_IRUGO | S_IWUSR | S_IWGRP, + show_ori_delay, set_ori_delay); +static DEVICE_ATTR(pressure_poll_delay, S_IRUGO | S_IWUSR | S_IWGRP, + show_pressure_delay, set_pressure_delay); +static DEVICE_ATTR(light_poll_delay, S_IRUGO | S_IWUSR | S_IWGRP, + show_light_delay, set_light_delay); +static DEVICE_ATTR(prox_poll_delay, S_IRUGO | S_IWUSR | S_IWGRP, + show_prox_delay, set_prox_delay); + +static struct device_attribute *mcu_attrs[] = { + &dev_attr_enable, + &dev_attr_mcu_rev, + &dev_attr_mcu_name, + &dev_attr_mcu_test, + &dev_attr_mcu_reset, + &dev_attr_mcu_update, + &dev_attr_mcu_update2, + &dev_attr_mcu_sleep_test, + &dev_attr_mag_poll_delay, + &dev_attr_ori_poll_delay, + NULL, +}; + +static void initialize_mcu_factorytest(struct ssp_data *data) +{ + struct device *mcu_device = NULL; + + sensors_register(mcu_device, data, mcu_attrs, "ssp_sensor"); +} + +int initialize_sysfs(struct ssp_data *data) +{ + if (device_create_file(&data->acc_input_dev->dev, + &dev_attr_acc_poll_delay)) + goto err_acc_input_dev; + + if (device_create_file(&data->gyro_input_dev->dev, + &dev_attr_gyro_poll_delay)) + goto err_gyro_input_dev; + + if (device_create_file(&data->pressure_input_dev->dev, + &dev_attr_pressure_poll_delay)) + goto err_pressure_input_dev; + + if (device_create_file(&data->light_input_dev->dev, + &dev_attr_light_poll_delay)) + goto err_light_input_dev; + + if (device_create_file(&data->prox_input_dev->dev, + &dev_attr_prox_poll_delay)) + goto err_prox_input_dev; + + initialize_accel_factorytest(data); + initialize_gyro_factorytest(data); + initialize_prox_factorytest(data); + initialize_light_factorytest(data); + initialize_pressure_factorytest(data); + initialize_magnetic_factorytest(data); + initialize_mcu_factorytest(data); + + return SUCCESS; + +err_prox_input_dev: + device_remove_file(&data->light_input_dev->dev, + &dev_attr_light_poll_delay); +err_light_input_dev: + device_remove_file(&data->pressure_input_dev->dev, + &dev_attr_pressure_poll_delay); +err_pressure_input_dev: + device_remove_file(&data->gyro_input_dev->dev, + &dev_attr_gyro_poll_delay); +err_gyro_input_dev: + device_remove_file(&data->acc_input_dev->dev, + &dev_attr_acc_poll_delay); +err_acc_input_dev: + return ERROR; +} + +void remove_sysfs(struct ssp_data *data) +{ + device_remove_file(&data->acc_input_dev->dev, + &dev_attr_acc_poll_delay); + device_remove_file(&data->gyro_input_dev->dev, + &dev_attr_gyro_poll_delay); + device_remove_file(&data->pressure_input_dev->dev, + &dev_attr_pressure_poll_delay); + device_remove_file(&data->light_input_dev->dev, + &dev_attr_light_poll_delay); + device_remove_file(&data->prox_input_dev->dev, + &dev_attr_prox_poll_delay); +} |