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kernel_samsung_sm7125/drivers/adsp_factory/veml3328_light.c

118 lines
3.6 KiB

/*
* 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 <linux/init.h>
#include <linux/module.h>
#include <linux/dirent.h>
#include "adsp.h"
#define VENDOR "CAPELLA"
#define CHIP_ID "VEML3328"
/*************************************************************************/
/* factory Sysfs */
/*************************************************************************/
static ssize_t light_vendor_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%s\n", VENDOR);
}
static ssize_t light_name_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%s\n", CHIP_ID);
}
static ssize_t light_raw_data_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct adsp_data *data = dev_get_drvdata(dev);
uint8_t cnt = 0;
mutex_lock(&data->light_factory_mutex);
adsp_unicast(NULL, 0, MSG_LIGHT, 0, MSG_TYPE_GET_RAW_DATA);
while (!(data->ready_flag[MSG_TYPE_GET_RAW_DATA] & 1 << MSG_LIGHT) &&
cnt++ < TIMEOUT_CNT)
usleep_range(500, 550);
data->ready_flag[MSG_TYPE_GET_RAW_DATA] &= ~(1 << MSG_LIGHT);
if (cnt >= TIMEOUT_CNT) {
pr_err("[FACTORY] %s: Timeout!!!\n", __func__);
mutex_unlock(&data->light_factory_mutex);
return snprintf(buf, PAGE_SIZE, "0,0,0,0,0,0\n");
}
mutex_unlock(&data->light_factory_mutex);
return snprintf(buf, PAGE_SIZE, "%d,%d,%d,%d,%d,%d\n",
data->msg_buf[MSG_LIGHT][0], data->msg_buf[MSG_LIGHT][1],
data->msg_buf[MSG_LIGHT][2], data->msg_buf[MSG_LIGHT][3],
data->msg_buf[MSG_LIGHT][4], data->msg_buf[MSG_LIGHT][5]);
}
static ssize_t light_get_dhr_sensor_info_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct adsp_data *data = dev_get_drvdata(dev);
uint8_t cnt = 0;
pr_info("[FACTORY] %s: start\n", __func__);
mutex_lock(&data->light_factory_mutex);
adsp_unicast(NULL, 0, MSG_LIGHT, 0, MSG_TYPE_GET_DHR_INFO);
while (!(data->ready_flag[MSG_TYPE_GET_DHR_INFO] & 1 << MSG_LIGHT) &&
cnt++ < TIMEOUT_CNT)
usleep_range(500, 550);
data->ready_flag[MSG_TYPE_GET_DHR_INFO] &= ~(1 << MSG_LIGHT);
if (cnt >= TIMEOUT_CNT)
pr_err("[FACTORY] %s: Timeout!!!\n", __func__);
mutex_unlock(&data->light_factory_mutex);
return data->msg_buf[MSG_LIGHT][0];
}
static DEVICE_ATTR(vendor, 0444, light_vendor_show, NULL);
static DEVICE_ATTR(name, 0444, light_name_show, NULL);
static DEVICE_ATTR(lux, 0444, light_raw_data_show, NULL);
static DEVICE_ATTR(raw_data, 0444, light_raw_data_show, NULL);
static DEVICE_ATTR(dhr_sensor_info, 0444, light_get_dhr_sensor_info_show, NULL);
static struct device_attribute *light_attrs[] = {
&dev_attr_vendor,
&dev_attr_name,
&dev_attr_lux,
&dev_attr_raw_data,
&dev_attr_dhr_sensor_info,
NULL,
};
static int __init veml3328_light_factory_init(void)
{
adsp_factory_register(MSG_LIGHT, light_attrs);
pr_info("[FACTORY] %s\n", __func__);
return 0;
}
static void __exit veml3328_light_factory_exit(void)
{
adsp_factory_unregister(MSG_LIGHT);
pr_info("[FACTORY] %s\n", __func__);
}
module_init(veml3328_light_factory_init);
module_exit(veml3328_light_factory_exit);