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/*
* 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"
#define VENDOR "MAXIM"
#define CHIP_ID "MAX88920"
static ssize_t gestrue_vendor_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%s\n", VENDOR);
}
static ssize_t gestrue_name_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%s\n", CHIP_ID);
}
static ssize_t raw_data_read(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct ssp_data *data = dev_get_drvdata(dev);
return snprintf(buf, PAGE_SIZE, "%d,%d,%d,%d\n",
data->buf[GESTURE_SENSOR].data[0],
data->buf[GESTURE_SENSOR].data[1],
data->buf[GESTURE_SENSOR].data[2],
data->buf[GESTURE_SENSOR].data[3]);
}
static ssize_t gesture_get_selftest_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
s16 raw_A = 0, raw_B = 0, raw_C = 0, raw_D = 0;
int iDelayCnt = 0, iRet = 0;
char chTempBuf[2] = { 0, 10 };
struct ssp_data *data = dev_get_drvdata(dev);
iDelayCnt = 0;
data->uFactorydataReady = 0;
memset(data->uFactorydata, 0, sizeof(char) * FACTORY_DATA_MAX);
iRet = send_instruction(data, FACTORY_MODE, GESTURE_FACTORY,
chTempBuf, 2);
while (!(data->uFactorydataReady & (1 << GESTURE_FACTORY))
&& (iDelayCnt++ < 100)
&& (iRet == SUCCESS))
msleep(20);
if ((iDelayCnt >= 100) || (iRet != SUCCESS)) {
pr_err("[SSP]: %s - Gesture Selftest Timeout!!\n", __func__);
goto exit;
}
raw_A = data->uFactorydata[0];
raw_B = data->uFactorydata[1];
raw_C = data->uFactorydata[2];
raw_D = data->uFactorydata[3];
pr_info("[SSP] %s: self test A = %d, B = %d, C = %d, D = %d\n",
__func__, raw_A, raw_B, raw_C, raw_D);
exit:
return sprintf(buf, "%d,%d,%d,%d\n",
raw_A, raw_B, raw_C, raw_D);
}
static ssize_t ir_current_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct ssp_data *data = dev_get_drvdata(dev);
ssp_dbg("[SSP]: %s - Ir_Current Setting = %d\n",
__func__, data->uIr_Current);
return sprintf(buf, "%d\n", data->uIr_Current);
}
static ssize_t ir_current_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
u16 uNewIrCurrent = DEFUALT_IR_CURRENT;
int iRet = 0;
u16 current_index = 0;
struct ssp_data *data = dev_get_drvdata(dev);
static u16 set_current[2][16] = { {0, 25, 50, 75, 100, 125, 150, 175, 225, 250, 275, 300, 325, 350, 375, 400},
{2, 28, 34, 50, 66, 82, 98, 114, 130, 146, 162, 178, 194, 210, 226, 242} };
iRet = kstrtou16(buf, 10, &uNewIrCurrent);
if (iRet < 0)
pr_err("[SSP]: %s - kstrtoint failed.(%d)\n", __func__, iRet);
else {
for(current_index = 0; current_index < 16; current_index++) {
if (set_current[0][current_index] == uNewIrCurrent) {
data->uIr_Current = set_current[1][current_index];
}
}
set_gesture_current(data, data->uIr_Current);
data->uIr_Current = uNewIrCurrent;
}
ssp_dbg("[SSP]: %s - new Ir_Current Setting : %d\n",
__func__, data->uIr_Current);
return size;
}
static DEVICE_ATTR(vendor, S_IRUGO, gestrue_vendor_show, NULL);
static DEVICE_ATTR(name, S_IRUGO, gestrue_name_show, NULL);
static DEVICE_ATTR(raw_data, S_IRUGO, raw_data_read, NULL);
static DEVICE_ATTR(selftest, S_IRUGO, gesture_get_selftest_show, NULL);
static DEVICE_ATTR(ir_current, S_IRUGO | S_IWUSR | S_IWGRP,
ir_current_show, ir_current_store);
static struct device_attribute *gesture_attrs[] = {
&dev_attr_vendor,
&dev_attr_name,
&dev_attr_raw_data,
&dev_attr_selftest,
&dev_attr_ir_current,
NULL,
};
void initialize_gesture_factorytest(struct ssp_data *data)
{
sensors_register(data->ges_device, data,
gesture_attrs, "gesture_sensor");
}
void remove_gesture_factorytest(struct ssp_data *data)
{
sensors_unregister(data->ges_device, gesture_attrs);
}
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