/*
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*
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* FocalTech TouchScreen driver.
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*
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* Copyright (c) 2012-2020, FocalTech Systems, Ltd., all rights reserved.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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/*****************************************************************************
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*
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* File Name: focaltech_proximity.c
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*
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* Author: Focaltech Driver Team
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*
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* Created: 2016-09-19
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*
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* Abstract: close proximity function
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*
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* Version: v1.0
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*
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* Revision History:
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* v1.0:
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* First release based on xiaguobin's solution. By luougojin 2016-08-19
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*****************************************************************************/
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/*****************************************************************************
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* Included header files
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*****************************************************************************/
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#include "focaltech_core.h"
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#include "focaltech_common.h"
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#if FTS_PSENSOR_EN
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/*****************************************************************************
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* Private constant and macro definitions using #define
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*****************************************************************************/
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/* proximity register address*/
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#define FTS_REG_PSENSOR_ENABLE 0xB0
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#define FTS_REG_PSENSOR_STATUS 0xB5
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#define FTS_REG_PSENSOR_CLEAR_STATUS 0xB6
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/* proximity register value read from TP */
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#define PROXIMITY_TP_VAL_NEAR 0xC0
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#define PROXIMITY_TP_VAL_FAR 0xE0
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#define PROXIMITY_TP_VAL_ERROR 0xEE
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#define PROXIMITY_TP_VAL_DEFAULT 0xFF
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/* host state : far or near */
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#define PROXIMITY_HOST_STATE_NEAR 0
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#define PROXIMITY_HOST_STATE_FAR 1
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#define PROXIMITY_HOST_STATE_DEFAULT PROXIMITY_HOST_STATE_FAR
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/* proximity solutions */
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#define PROXIMITY_SOLUTION_SAMPLE 0
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#define PROXIMITY_SOLUTION_QCOM 1
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#define PROXIMITY_SOLUTION_MTK 2
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#define PROXIMITY_SOLUTION_SAMPLE_1 3
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#define PROXIMITY_SOLUTION PROXIMITY_SOLUTION_SAMPLE
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/*****************************************************************************
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* Private enumerations, structures and unions using typedef
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*****************************************************************************/
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struct fts_proximity_ops;
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/*
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* @tp_val, proximity value read from TP register, the value is:
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* PROXIMITY_TP_VAL_NEAR/PROXIMITY_TP_VAL_FAR and so on.
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*
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* @tp_val_last, the backup proximity value
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* @host_state, the proximity state of host, tp driver will report the
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* value to Android, the value is:
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* PROXIMITY_HOST_STATE_NEAR
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* PROXIMITY_HOST_STATE_FAR
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*/
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struct fts_proximity {
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struct fts_ts_data *ts_data;
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struct input_dev *proximity_input_dev;
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struct fts_proximity_ops *ops;
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u8 tp_val;
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u8 tp_val_last;
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int host_state;
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};
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struct fts_proximity_ops {
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int (*init)(struct fts_proximity *proximity_data);
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int (*exit)(struct fts_proximity *proximity_data);
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int (*report)(struct fts_proximity *proximity_data);
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};
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/*****************************************************************************
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* variables or functions
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*****************************************************************************/
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static struct fts_proximity fts_proximity_data;
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static void fts_proximity_set_reg(int value)
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{
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int i = 0;
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u8 enable_value = value ? 0x01 : 0x00;
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u8 regval = 0xFF;
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for (i = 0; i < FTS_MAX_RETRIES_WRITEREG; i++) {
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fts_read_reg(FTS_REG_PSENSOR_ENABLE, ®val);
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if (regval == enable_value)
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break;
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fts_write_reg(FTS_REG_PSENSOR_ENABLE, enable_value);
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fts_msleep(1);
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}
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if (i >= FTS_MAX_RETRIES_WRITEREG)
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FTS_ERROR("set proximity mode to %x failed,reg_val:%x", enable_value, regval);
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else if (i > 0)
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FTS_INFO("set proximity mode to %x successfully", value);
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}
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/************************************************************************
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* Name: fts_proximity_enable
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* Brief: enable or disable proximity function, set variable and write it
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* to TP FW.
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*
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* Input: proximity_data, global structure variable.
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* @enable, 0 is to disable proximity, 1 to enable.
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* Output:
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*
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* Return: 0 for success
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***********************************************************************/
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static int fts_proximity_enable(struct fts_proximity *proximity_data, int enable)
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{
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int ret = 0;
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if (!proximity_data || !proximity_data->ts_data || !proximity_data->proximity_input_dev) {
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FTS_ERROR("proximity/ts/input is null");
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return -EINVAL;
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}
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FTS_INFO("set proximity mode to %s", !!enable ? "enable" : "disable");
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mutex_lock(&proximity_data->proximity_input_dev->mutex);
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proximity_data->ts_data->proximity_mode = !!enable;
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fts_proximity_set_reg(enable);
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proximity_data->tp_val = PROXIMITY_TP_VAL_DEFAULT;
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proximity_data->tp_val_last = PROXIMITY_TP_VAL_DEFAULT;
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proximity_data->host_state = PROXIMITY_HOST_STATE_DEFAULT;
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mutex_unlock(&proximity_data->proximity_input_dev->mutex);
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return ret;
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}
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#if (PROXIMITY_SOLUTION == PROXIMITY_SOLUTION_MTK)
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#include <hwmsensor.h>
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#include <sensors_io.h>
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#include <alsps.h>
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/*****************************************************************************
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* Private constant and macro definitions using #define
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*****************************************************************************/
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/*
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* FTS_ALSPS_SUPPORT is choose structure hwmsen_object or control_path, data_path
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* FTS_ALSPS_SUPPORT = 1, is control_path, data_path
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* FTS_ALSPS_SUPPORT = 0, hwmsen_object
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*/
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#define FTS_ALSPS_SUPPORT 1
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/*
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* FTS_OPEN_DATA_HAL_SUPPORT is choose structure ps_control_path or batch, flush
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* FTS_ALSPS_SUPPORT = 1, is batch, flush
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* FTS_ALSPS_SUPPORT = 0, NULL
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*/
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#define FTS_OPEN_DATA_HAL_SUPPORT 1
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#if !FTS_ALSPS_SUPPORT
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#include <hwmsen_dev.h>
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#endif
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/*****************************************************************************
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* Static variables
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*****************************************************************************/
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/*****************************************************************************
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* Global variable or extern global variabls/functions
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*****************************************************************************/
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/*****************************************************************************
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* Static function prototypes
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*****************************************************************************/
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#if FTS_ALSPS_SUPPORT
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/* if use this typ of enable , Gsensor should report inputEvent(x, y, z ,stats, div) to HAL */
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static int ps_open_report_data(int open)
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{
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/* should queue work to report event if is_report_input_direct=true */
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return 0;
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}
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/* if use this type of enable , Psensor only enabled but not report inputEvent to HAL */
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static int ps_enable_nodata(int en)
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{
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int ret = 0;
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FTS_DEBUG("[PROXIMITY]SENSOR_ENABLE value = %d", en);
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/* Enable proximity */
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ret = fts_proximity_enable(fts_proximity_data, en);
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return ret;
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}
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static int ps_set_delay(u64 ns)
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{
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return 0;
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}
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#if FTS_OPEN_DATA_HAL_SUPPORT
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static int ps_batch(int flag, int64_t sampling_period_ns, int64_t max_batch_report_ns)
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{
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return 0;
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}
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static int ps_flush(void)
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{
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return 0;
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}
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#endif
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static int ps_get_data(int *value, int *status)
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{
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*value = (int)fts_proximity_data.host_state;
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FTS_DEBUG("proximity status = %d\n", *value);
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*status = SENSOR_STATUS_ACCURACY_MEDIUM;
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return 0;
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}
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static int ps_local_init(void)
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{
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int err = 0;
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struct ps_control_path ps_ctl = { 0 };
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struct ps_data_path ps_data = { 0 };
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ps_ctl.is_use_common_factory = false;
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ps_ctl.open_report_data = ps_open_report_data;
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ps_ctl.enable_nodata = ps_enable_nodata;
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ps_ctl.set_delay = ps_set_delay;
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#if FTS_OPEN_DATA_HAL_SUPPORT
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ps_ctl.batch = ps_batch;
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ps_ctl.flush = ps_flush;
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#endif
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ps_ctl.is_report_input_direct = false;
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ps_ctl.is_support_batch = false;
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err = ps_register_control_path(&ps_ctl);
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if (err) {
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FTS_ERROR("register fail = %d\n", err);
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}
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ps_data.get_data = ps_get_data;
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ps_data.vender_div = 100;
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err = ps_register_data_path(&ps_data);
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if (err) {
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FTS_ERROR("tregister fail = %d\n", err);
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}
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return err;
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}
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int ps_local_uninit(void)
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{
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return 0;
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}
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struct alsps_init_info ps_init_info = {
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.name = "fts_ts",
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.init = ps_local_init,
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.uninit = ps_local_uninit,
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};
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#else
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static int mtk_ps_operate(void *self, uint32_t command, void *buff_in,
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int size_in, void *buff_out, int size_out, int *actualout)
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{
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int err = 0;
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int value;
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struct hwm_sensor_data *sensor_data;
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struct fts_proximity *proximity_data = &fts_proximity_data;
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if (!proximity_data || !proximity_data->ts_data) {
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FTS_ERROR("proximity_data/ts_data" is null);
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return -EINVAL;
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}
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FTS_DEBUG("[PROXIMITY]COMMAND = %d", command);
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switch (command) {
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case SENSOR_DELAY:
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if ((buff_in == NULL) || (size_in < sizeof(int))) {
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FTS_ERROR("[PROXIMITY]Set delay parameter error!");
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err = -EINVAL;
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}
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break;
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case SENSOR_ENABLE:
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if ((buff_in == NULL) || (size_in < sizeof(int))) {
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FTS_ERROR("[PROXIMITY]Enable sensor parameter error!");
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err = -EINVAL;
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} else {
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value = *(int *)buff_in;
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FTS_DEBUG("[PROXIMITY]SENSOR_ENABLE value = %d", value);
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/* Enable proximity */
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err = fts_proximity_enable(proximity_data, value);
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}
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break;
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case SENSOR_GET_DATA:
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if ((buff_out == NULL) || (size_out < sizeof(struct hwm_sensor_data))) {
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FTS_ERROR("[PROXIMITY]get sensor data parameter error!");
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err = -EINVAL;
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} else {
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sensor_data = (struct hwm_sensor_data *)buff_out;
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sensor_data->values[0] = (int)proximity_data->host_state;
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FTS_DEBUG("sensor_data->values[0] = %d", sensor_data->values[0]);
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sensor_data->value_divide = 1;
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sensor_data->status = SENSOR_STATUS_ACCURACY_MEDIUM;
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}
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break;
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default:
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FTS_ERROR("[PROXIMITY]ps has no operate function:%d!", command);
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err = -EPERM;
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break;
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}
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return err;
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}
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#endif
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static int mtk_proximity_report(struct fts_proximity *proximity_data)
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{
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int ret = 0;
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int proximity_state = PROXIMITY_HOST_STATE_DEFAULT;
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#if !FTS_ALSPS_SUPPORT
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struct hwm_sensor_data sensor_data;
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#endif
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if (proximity_data->tp_val == PROXIMITY_TP_VAL_NEAR) {
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/* close. need lcd off */
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proximity_state = PROXIMITY_HOST_STATE_NEAR;
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} else if (proximity_data->tp_val == PROXIMITY_TP_VAL_FAR) {
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/* far away */
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proximity_state = PROXIMITY_HOST_STATE_FAR;
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} else if (proximity_data->tp_val == PROXIMITY_TP_VAL_ERROR) {
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/* error, need report far away */
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proximity_state = PROXIMITY_HOST_STATE_FAR;
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}
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if (proximity_state != proximity_data->host_state) {
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FTS_INFO("report proximity state:%s", proximity_state ? "AWAY" : "NEAR");
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proximity_data->host_state = proximity_state;
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#if FTS_ALSPS_SUPPORT
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ret = ps_report_interrupt_data(proximity_state);
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#else
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sensor_data.values[0] = proximity_state;
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sensor_data.value_divide = 1;
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sensor_data.status = SENSOR_STATUS_ACCURACY_MEDIUM;
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ret = hwmsen_get_interrupt_data(ID_PROXIMITY, &sensor_data);
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if (ret) {
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FTS_ERROR("[PROXIMITY] Call hwmsen_get_interrupt_data failed, ret=%d", ret);
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return ret;
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}
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#endif
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return FTS_RETVAL_IGNORE_TOUCHES;
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}
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return 0;
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}
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static int mtk_proximity_init(struct fts_proximity *proximity_data)
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{
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#if !FTS_ALSPS_SUPPORT
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int err = 0;
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struct hwmsen_object obj_ps;
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#endif
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FTS_FUNC_ENTER();
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#if FTS_ALSPS_SUPPORT
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alsps_driver_add(&ps_init_info);
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#else
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obj_ps.polling = 0; /* interrupt mode */
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obj_ps.sensor_operate = mtk_ps_operate;
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err = hwmsen_attach(ID_PROXIMITY, &obj_ps);
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if (err)
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FTS_ERROR("[PROXIMITY]fts proximity attach fail = %d!", err);
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else
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FTS_INFO("[PROXIMITY]fts proximity attach ok = %d\n", err);
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#endif
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FTS_FUNC_EXIT();
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return 0;
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}
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struct fts_proximity_ops mtk_proximity_ops = {
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.init = mtk_proximity_init,
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.report = mtk_proximity_report,
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};
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#endif
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#if (PROXIMITY_SOLUTION == PROXIMITY_SOLUTION_QCOM)
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#include <linux/sensors.h>
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struct qcom_proximity {
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struct fts_proximity *proximity_data;
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struct sensors_classdev ps_cdev;
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};
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static struct qcom_proximity qcom_proximity_data;
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static struct sensors_classdev __maybe_unused qcom_proximity_cdev = {
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.name = "fts-proximity",
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.vendor = "FocalTech",
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.version = 1,
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.handle = SENSORS_PROXIMITY_HANDLE,
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.type = SENSOR_TYPE_PROXIMITY,
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.max_range = "5.0",
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.resolution = "5.0",
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.sensor_power = "0.1",
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.min_delay = 0,
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.fifo_reserved_event_count = 0,
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.fifo_max_event_count = 0,
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.enabled = 0,
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.delay_msec = 200,
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.sensors_enable = NULL,
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.sensors_poll_delay = NULL,
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};
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static int qcom_proximity_enable(struct sensors_classdev *sensors_cdev, unsigned int enable)
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{
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struct qcom_proximity *qps = container_of(sensors_cdev, struct qcom_proximity, ps_cdev);
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if (qps && qps->proximity_data) {
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fts_proximity_enable(qps->proximity_data, enable);
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}
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return enable;
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}
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static int qcom_proximity_report(struct fts_proximity *proximity_data)
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{
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int proximity_state = PROXIMITY_HOST_STATE_DEFAULT;
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if (!proximity_data || !proximity_data->proximity_input_dev) {
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FTS_ERROR("proximity/input is null");
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return -EINVAL;
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}
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if (proximity_data->tp_val == PROXIMITY_TP_VAL_NEAR) {
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/* close. need lcd off */
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proximity_state = PROXIMITY_HOST_STATE_NEAR;
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} else if (proximity_data->tp_val == PROXIMITY_TP_VAL_FAR) {
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/* far away */
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proximity_state = PROXIMITY_HOST_STATE_FAR;
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} else if (proximity_data->tp_val == PROXIMITY_TP_VAL_ERROR) {
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/* error, need report far away */
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proximity_state = PROXIMITY_HOST_STATE_FAR;
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}
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if (proximity_state != proximity_data->host_state) {
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FTS_INFO("report proximity state:%s", proximity_state ? "AWAY" : "NEAR");
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proximity_data->host_state = proximity_state;
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input_report_abs(proximity_data->proximity_input_dev, ABS_DISTANCE,
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(proximity_state == PROXIMITY_HOST_STATE_NEAR) ? 0 : 1;
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input_sync(proximity_data->proximity_input_dev);
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return FTS_RETVAL_IGNORE_TOUCHES;
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}
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return 0;
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}
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static int qcom_proximity_init(struct fts_proximity *proximity_data)
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{
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int ret = 0;
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struct qcom_proximity *qps = &qcom_proximity_data;
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FTS_FUNC_ENTER();
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if (proximity_data && proximity_data->ts_data && proximity_data->ts_data->dev) {
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memset(qps, 0, sizeof(struct qcom_proximity));
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qps->proximity_data = proximity_data;
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qps->ps_cdev = qcom_proximity_cdev;
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qps->ps_cdev.sensors_enable = qcom_proximity_enable;
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ret = sensors_classdev_register(proximity_data->ts_data->dev, &qps->ps_cdev);
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if (ret) FTS_ERROR("sensors_classdev_register failed,ret=%d", ret);
|
} else {
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FTS_ERROR("proximity/ts/device is null");
|
ret = -EINVAL;
|
}
|
FTS_FUNC_EXIT();
|
return ret;
|
}
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static int qcom_proximity_exit(struct fts_proximity *proximity_data)
|
{
|
FTS_FUNC_ENTER();
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sensors_classdev_unregister(qcom_proximity_data.ps_cdev);
|
FTS_FUNC_EXIT();
|
return 0;
|
}
|
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struct fts_proximity_ops qcom_proximity_ops = {
|
.init = qcom_proximity_init,
|
.exit = qcom_proximity_exit,
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.report = qcom_proximity_report,
|
};
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#endif // #if (PROXIMITY_SOLUTION == PROXIMITY_SOLUTION_QCOM)
|
|
|
#if (PROXIMITY_SOLUTION == PROXIMITY_SOLUTION_SAMPLE_1)
|
static int sample_1_proximity_report(struct fts_proximity *proximity_data)
|
{
|
u8 clear_status_value = 0xFF;
|
int proximity_state = PROXIMITY_HOST_STATE_DEFAULT;
|
|
if (!proximity_data || !proximity_data->proximity_input_dev) {
|
FTS_ERROR("proximity/input is null");
|
return -EINVAL;
|
}
|
|
if ((proximity_data->tp_val > 0x00) && (proximity_data->tp_val < 0x04)) {
|
/* close. need lcd off */
|
proximity_state = PROXIMITY_HOST_STATE_NEAR;
|
clear_status_value = 1;
|
} else if (proximity_data->tp_val == 0x00) {
|
/* far away */
|
proximity_state = PROXIMITY_HOST_STATE_FAR;
|
clear_status_value = 0;
|
} else {
|
/* error, need report far away */
|
proximity_state = PROXIMITY_HOST_STATE_FAR;
|
clear_status_value = 0xEE;
|
}
|
|
if (proximity_data->tp_val != proximity_data->tp_val_last) {
|
FTS_DEBUG("tp proximity status:%x->%x", proximity_data->tp_val_last, proximity_data->tp_val);
|
tpd_notifier_call_chain(proximity_data->host_state, NULL);
|
fts_write_reg(FTS_REG_PSENSOR_CLEAR_STATUS, clear_status_value);
|
}
|
|
if (proximity_state != proximity_data->host_state) {
|
FTS_INFO("report proximity state:%s", proximity_state ? "AWAY" : "NEAR");
|
proximity_data->host_state = proximity_state;
|
return FTS_RETVAL_IGNORE_TOUCHES;
|
}
|
|
return 0;
|
}
|
|
static struct fts_proximity_ops sample_1_proximity_ops = {
|
.report = sample_1_proximity_report,
|
};
|
#endif // #if (PROXIMITY_SOLUTION == PROXIMITY_SOLUTION_SAMPLE_1)
|
|
|
#if (PROXIMITY_SOLUTION == PROXIMITY_SOLUTION_SAMPLE)
|
static int sample_proximity_report(struct fts_proximity *proximity_data)
|
{
|
int proximity_state = PROXIMITY_HOST_STATE_DEFAULT;
|
if (!proximity_data || !proximity_data->proximity_input_dev) {
|
FTS_ERROR("proximity/input is null");
|
return -EINVAL;
|
}
|
|
if (proximity_data->tp_val == PROXIMITY_TP_VAL_NEAR) {
|
/* close. need lcd off */
|
proximity_state = PROXIMITY_HOST_STATE_NEAR;
|
} else if (proximity_data->tp_val == PROXIMITY_TP_VAL_FAR) {
|
/* far away */
|
proximity_state = PROXIMITY_HOST_STATE_FAR;
|
} else if (proximity_data->tp_val == PROXIMITY_TP_VAL_ERROR) {
|
/* error, need report far away */
|
proximity_state = PROXIMITY_HOST_STATE_FAR;
|
}
|
|
if (proximity_data->ts_data->log_level >= 3) {
|
FTS_DEBUG("tp proximity status, now:%x,before:%x", proximity_data->tp_val, proximity_data->tp_val_last);
|
FTS_DEBUG("proximity state, now:%x,before:%d", proximity_state, proximity_data->host_state);
|
}
|
if (proximity_state != proximity_data->host_state) {
|
FTS_INFO("report proximity state:%s", proximity_state ? "AWAY" : "NEAR");
|
proximity_data->host_state = proximity_state;
|
/* TODO: Report proximity state to host */
|
|
|
return FTS_RETVAL_IGNORE_TOUCHES;
|
}
|
|
return 0;
|
}
|
|
static int sample_proximity_init(struct fts_proximity *proximity_data)
|
{
|
FTS_FUNC_ENTER();
|
FTS_FUNC_EXIT();
|
return 0;
|
}
|
|
static int sample_proximity_exit(struct fts_proximity *proximity_data)
|
{
|
FTS_FUNC_ENTER();
|
FTS_FUNC_EXIT();
|
return 0;
|
}
|
|
static struct fts_proximity_ops sample_proximity_ops = {
|
.init = sample_proximity_init,
|
.exit = sample_proximity_exit,
|
.report = sample_proximity_report,
|
};
|
#endif // #if (PROXIMITY_SOLUTION == PROXIMITY_SOLUTION_SAMPLE)
|
|
|
static ssize_t fts_proximity_show(struct device *dev, struct device_attribute *attr, char *buf)
|
{
|
int count = 0;
|
u8 val = 0;
|
struct fts_ts_data *ts_data = dev_get_drvdata(dev);
|
struct fts_proximity *proximity_data = &fts_proximity_data;
|
|
if (proximity_data->proximity_input_dev) {
|
mutex_lock(&proximity_data->proximity_input_dev->mutex);
|
fts_read_reg(FTS_REG_PSENSOR_ENABLE, &val);
|
count = snprintf(buf, PAGE_SIZE, "Proximity Mode:%s\n", ts_data->proximity_mode ? "On" : "Off");
|
count += snprintf(buf + count, PAGE_SIZE, "Reg(0xB0)=%d\n", val);
|
mutex_unlock(&proximity_data->proximity_input_dev->mutex);
|
}
|
|
return count;
|
}
|
|
static ssize_t fts_proximity_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
|
{
|
struct fts_ts_data *ts_data = dev_get_drvdata(dev);
|
struct fts_proximity *proximity_data = &fts_proximity_data;
|
|
if (FTS_SYSFS_ECHO_ON(buf)) {
|
if (ts_data->suspended) {
|
FTS_INFO("In suspend,not allowed to enable proximity mode");
|
} else {
|
FTS_DEBUG("enable proximity");
|
fts_proximity_enable(proximity_data, ENABLE);
|
}
|
} else if (FTS_SYSFS_ECHO_OFF(buf)) {
|
FTS_DEBUG("disable proximity");
|
fts_proximity_enable(proximity_data, DISABLE);
|
}
|
|
return count;
|
}
|
|
/* sysfs node of proximity_mode, maybe not used */
|
static DEVICE_ATTR(fts_proximity_mode, S_IRUGO | S_IWUSR, fts_proximity_show, fts_proximity_store);
|
static struct attribute *fts_proximity_mode_attrs[] = { &dev_attr_fts_proximity_mode.attr, NULL, };
|
static struct attribute_group fts_proximity_group = {.attrs = fts_proximity_mode_attrs,};
|
|
|
static fts_proximity_input_init(struct fts_proximity *proximity_data)
|
{
|
int ret = 0;
|
struct input_dev *proximity_input_dev;
|
|
FTS_FUNC_ENTER();
|
if (!proximity_data || !proximity_data->ts_data || !proximity_data->ts_data->dev) {
|
FTS_ERROR("proximity_data/ts_data/device is null");
|
return -EINVAL;
|
}
|
|
proximity_input_dev = input_allocate_device();
|
if (!proximity_input_dev) {
|
FTS_ERROR("Failed to allocate memory for input_proximity device");
|
return -ENOMEM;
|
}
|
|
proximity_input_dev->dev.parent = proximity_data->ts_data->dev;
|
proximity_input_dev->name = "proximity";
|
__set_bit(EV_ABS, proximity_input_dev->evbit);
|
input_set_abs_params(proximity_input_dev, ABS_DISTANCE, 0, 1, 0, 0);
|
ret = input_register_device(proximity_input_dev);
|
if (ret) {
|
FTS_ERROR("proximity input device registration failed");
|
input_free_device(proximity_input_dev);
|
proximity_input_dev = NULL;
|
return ret;
|
}
|
|
proximity_data->proximity_input_dev = proximity_input_dev;
|
FTS_FUNC_EXIT();
|
return 0;
|
}
|
|
int fts_proximity_recovery(struct fts_ts_data *ts_data)
|
{
|
if (ts_data->proximity_mode) {
|
fts_proximity_set_reg(ENABLE);
|
}
|
return 0;
|
}
|
|
/*****************************************************************************
|
* Name: fts_proximity_readdata
|
* Brief: read proximity value from TP, check whether tp is near or far away,
|
* and report the state to host if need.
|
*
|
* Input: ts_data
|
* Output:
|
* Return: return negative code if error occurs,return 0 or 1 if success.
|
* return 0 if continue report finger touches.
|
* return 1(FTS_RETVAL_IGNORE_TOUCHES) if you want to ingore this
|
* finger reporting, As default, the following situation will report 1:
|
* a.proximity state changed
|
* b.System in suspend state
|
*****************************************************************************/
|
int fts_proximity_readdata(struct fts_ts_data *ts_data)
|
{
|
int ret = 0;
|
struct fts_proximity *proximity_data = &fts_proximity_data;
|
u8 psensor_status = 0xFF;
|
u8 psensor_enable = 0xFF;
|
|
ret = fts_read_reg(FTS_REG_PSENSOR_ENABLE, &psensor_enable);
|
if (psensor_enable != ENABLE) {
|
FTS_DEBUG("proximity not enable in FW, don't process proximity");
|
return 0;
|
}
|
|
ret = fts_read_reg(FTS_REG_PSENSOR_STATUS, &psensor_status);
|
if (ret < 0) {
|
FTS_ERROR("read proximity value failed,ret=%d", ret);
|
proximity_data->tp_val = PROXIMITY_TP_VAL_ERROR;
|
} else {
|
if (ts_data->log_level >= 3)
|
FTS_INFO("read proximity status:0x%x", psensor_status);
|
else if (proximity_data->tp_val != psensor_status)
|
FTS_INFO("read proximity status:0x%x[%x]", psensor_status, proximity_data->tp_val);
|
proximity_data->tp_val = psensor_status;
|
}
|
|
if (proximity_data->ops->report) {
|
ret = proximity_data->ops->report(proximity_data);
|
}
|
|
proximity_data->tp_val_last = proximity_data->tp_val;
|
if (ts_data->suspended) ret = FTS_RETVAL_IGNORE_TOUCHES;
|
return ret;
|
}
|
|
int fts_proximity_suspend(struct fts_ts_data *ts_data)
|
{
|
if (enable_irq_wake(ts_data->irq)) {
|
FTS_ERROR("enable_irq_wake(irq:%d) fail", ts_data->irq);
|
}
|
FTS_INFO("proximity mode in suspend.");
|
return 0;
|
}
|
|
int fts_proximity_resume(struct fts_ts_data *ts_data)
|
{
|
if (disable_irq_wake(ts_data->irq)) {
|
FTS_ERROR("disable_irq_wake(irq:%d) fail", ts_data->irq);
|
}
|
fts_proximity_recovery(ts_data);
|
return 0;
|
}
|
|
int fts_proximity_init(struct fts_ts_data *ts_data)
|
{
|
int ret = 0;
|
struct fts_proximity *proximity_data = &fts_proximity_data;
|
|
FTS_FUNC_ENTER();
|
memset((u8 *)proximity_data, 0, sizeof(struct fts_proximity));
|
proximity_data->ts_data = ts_data;
|
proximity_data->tp_val = PROXIMITY_TP_VAL_DEFAULT;
|
proximity_data->tp_val_last = PROXIMITY_TP_VAL_DEFAULT;
|
proximity_data->host_state = PROXIMITY_HOST_STATE_DEFAULT;
|
|
/* TODO: initialize following platform implementation */
|
#if (PROXIMITY_SOLUTION == PROXIMITY_SOLUTION_SAMPLE)
|
proximity_data->ops = &sample_proximity_ops;
|
#elif (PROXIMITY_SOLUTION == PROXIMITY_SOLUTION_QCOM)
|
proximity_data->ops = &qcom_proximity_ops;
|
#elif (PROXIMITY_SOLUTION == PROXIMITY_SOLUTION_MTK)
|
proximity_data->ops = &mtk_proximity_ops;
|
#elif (PROXIMITY_SOLUTION == PROXIMITY_SOLUTION_SAMPLE_1)
|
proximity_data->ops = &sample_1_proximity_ops;
|
#endif
|
|
ret = fts_proximity_input_init(proximity_data);
|
if (ret) {
|
FTS_ERROR("proximity input init failed");
|
return ret;
|
}
|
|
ret = sysfs_create_group(&ts_data->dev->kobj, &fts_proximity_group);
|
if (ret) {
|
FTS_ERROR("proximity sys node create failed");
|
sysfs_remove_group(&ts_data->dev->kobj, &fts_proximity_group);
|
}
|
|
if (proximity_data->ops && proximity_data->ops->init) {
|
ret = proximity_data->ops->init(proximity_data);
|
if (ret) FTS_ERROR("proximity init failed,ret=%d", ret);
|
}
|
FTS_FUNC_EXIT();
|
return ret;
|
}
|
|
int fts_proximity_exit(struct fts_ts_data *ts_data)
|
{
|
int ret = 0;
|
struct fts_proximity *proximity_data = &fts_proximity_data;
|
FTS_FUNC_ENTER();
|
sysfs_remove_group(&ts_data->dev->kobj, &fts_proximity_group);
|
input_unregister_device(proximity_data->proximity_input_dev);
|
if (proximity_data->ops && proximity_data->ops->exit) {
|
ret = proximity_data->ops->exit(proximity_data);
|
if (ret) FTS_ERROR("proximity exit failed,ret=%d", ret);
|
}
|
FTS_FUNC_EXIT();
|
return ret;
|
}
|
#endif /* FTS_PSENSOR_EN */
|
