You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
250 lines
7.1 KiB
250 lines
7.1 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 "adsp.h"
|
|
#define VENDOR "STM"
|
|
#define CHIP_ID "LPS22HH"
|
|
|
|
#define CALIBRATION_FILE_PATH "/efs/FactoryApp/baro_delta"
|
|
|
|
#define PR_MAX 8388607 /* 24 bit 2'compl */
|
|
#define PR_MIN -8388608
|
|
#define SNS_SUCCESS 0
|
|
#define ST_PASS 1
|
|
#define ST_FAIL 0
|
|
|
|
static int sea_level_pressure;
|
|
static int pressure_cal;
|
|
|
|
static ssize_t pressure_vendor_show(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
return snprintf(buf, PAGE_SIZE, "%s\n", VENDOR);
|
|
}
|
|
|
|
static ssize_t pressure_name_show(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
return snprintf(buf, PAGE_SIZE, "%s\n", CHIP_ID);
|
|
}
|
|
|
|
static ssize_t sea_level_pressure_show(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
return snprintf(buf, PAGE_SIZE, "%d\n", sea_level_pressure);
|
|
}
|
|
|
|
static ssize_t sea_level_pressure_store(struct device *dev,
|
|
struct device_attribute *attr, const char *buf, size_t size)
|
|
{
|
|
if (sscanf(buf, "%10d", &sea_level_pressure) != 1) {
|
|
pr_err("[FACTORY] %s: sscanf error\n", __func__);
|
|
return size;
|
|
}
|
|
|
|
sea_level_pressure = sea_level_pressure / 100;
|
|
|
|
pr_info("[FACTORY] %s: sea_level_pressure = %d\n", __func__,
|
|
sea_level_pressure);
|
|
|
|
return size;
|
|
}
|
|
|
|
/*
|
|
int pressure_open_calibration(struct adsp_data *data)
|
|
{
|
|
int error = 0;
|
|
|
|
return error;
|
|
}
|
|
*/
|
|
|
|
static ssize_t pressure_cabratioin_store(struct device *dev,
|
|
struct device_attribute *attr, const char *buf, size_t size)
|
|
{
|
|
int temp = 0, error = 0;
|
|
|
|
error = kstrtoint(buf, 10, &temp);
|
|
if (error < 0) {
|
|
pr_err("[FACTORY] %s : kstrtoint failed.(%d)", __func__, error);
|
|
return error;
|
|
}
|
|
|
|
if (temp < PR_MIN || temp > PR_MAX)
|
|
return -EINVAL;
|
|
|
|
pressure_cal = temp;
|
|
|
|
return size;
|
|
}
|
|
|
|
static ssize_t pressure_cabratioin_show(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
//struct adsp_data *data = dev_get_drvdata(dev);
|
|
|
|
//pressure_open_calibration(data);
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%d\n", pressure_cal);
|
|
}
|
|
|
|
static ssize_t temperature_show(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct adsp_data *data = dev_get_drvdata(dev);
|
|
uint8_t cnt = 0;
|
|
|
|
adsp_unicast(NULL, 0, MSG_PRESSURE_TEMP, 0, MSG_TYPE_GET_RAW_DATA);
|
|
|
|
while (!(data->ready_flag[MSG_TYPE_GET_RAW_DATA] &
|
|
1 << MSG_PRESSURE_TEMP) && cnt++ < TIMEOUT_CNT)
|
|
usleep_range(500, 550);
|
|
|
|
data->ready_flag[MSG_TYPE_GET_RAW_DATA] &= ~(1 << MSG_PRESSURE_TEMP);
|
|
|
|
if (cnt >= TIMEOUT_CNT) {
|
|
pr_err("[FACTORY] %s: Timeout!!!\n", __func__);
|
|
return snprintf(buf, PAGE_SIZE, "-99\n");
|
|
}
|
|
return snprintf(buf, PAGE_SIZE, "%d\n",
|
|
data->msg_buf[MSG_PRESSURE_TEMP][0]);
|
|
}
|
|
|
|
static ssize_t selftest_show(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct adsp_data *data = dev_get_drvdata(dev);
|
|
uint8_t cnt = 0;
|
|
|
|
adsp_unicast(NULL, 0, MSG_PRESSURE, 0, MSG_TYPE_ST_SHOW_DATA);
|
|
|
|
while (!(data->ready_flag[MSG_TYPE_ST_SHOW_DATA] &
|
|
1 << MSG_PRESSURE) && cnt++ < TIMEOUT_CNT)
|
|
msleep(20);
|
|
|
|
data->ready_flag[MSG_TYPE_ST_SHOW_DATA] &= ~(1 << MSG_PRESSURE);
|
|
|
|
if (cnt >= TIMEOUT_CNT) {
|
|
pr_err("[FACTORY] %s: Timeout!!!\n", __func__);
|
|
return snprintf(buf, PAGE_SIZE, "0\n");
|
|
}
|
|
|
|
pr_info("[FACTORY] %s : P:%d, T:%d, RES:%d\n",
|
|
__func__, data->msg_buf[MSG_PRESSURE][0],
|
|
data->msg_buf[MSG_PRESSURE][1], data->msg_buf[MSG_PRESSURE][2]);
|
|
|
|
if (SNS_SUCCESS == data->msg_buf[MSG_PRESSURE][2])
|
|
return snprintf(buf, PAGE_SIZE, "%d\n", ST_PASS);
|
|
else
|
|
return snprintf(buf, PAGE_SIZE, "%d\n", ST_FAIL);
|
|
}
|
|
|
|
static ssize_t pressure_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;
|
|
int i = 0;
|
|
|
|
adsp_unicast(NULL, 0, MSG_PRESSURE, 0, MSG_TYPE_GET_DHR_INFO);
|
|
while (!(data->ready_flag[MSG_TYPE_GET_DHR_INFO] & 1 << MSG_PRESSURE) &&
|
|
cnt++ < TIMEOUT_CNT)
|
|
usleep_range(500, 550);
|
|
|
|
data->ready_flag[MSG_TYPE_GET_DHR_INFO] &= ~(1 << MSG_PRESSURE);
|
|
|
|
if (cnt >= TIMEOUT_CNT) {
|
|
pr_err("[FACTORY] %s: Timeout!!!\n", __func__);
|
|
} else {
|
|
for (i = 0; i < 7; i++) {
|
|
pr_info("[FACTORY] %s - %02x,%02x,%02x,%02x,%02x,%02x,%02x,%02x,%02x,%02x,%02x,%02x,%02x,%02x,%02x,%02x\n",
|
|
__func__,
|
|
data->msg_buf[MSG_PRESSURE][i * 16 + 0],
|
|
data->msg_buf[MSG_PRESSURE][i * 16 + 1],
|
|
data->msg_buf[MSG_PRESSURE][i * 16 + 2],
|
|
data->msg_buf[MSG_PRESSURE][i * 16 + 3],
|
|
data->msg_buf[MSG_PRESSURE][i * 16 + 4],
|
|
data->msg_buf[MSG_PRESSURE][i * 16 + 5],
|
|
data->msg_buf[MSG_PRESSURE][i * 16 + 6],
|
|
data->msg_buf[MSG_PRESSURE][i * 16 + 7],
|
|
data->msg_buf[MSG_PRESSURE][i * 16 + 8],
|
|
data->msg_buf[MSG_PRESSURE][i * 16 + 9],
|
|
data->msg_buf[MSG_PRESSURE][i * 16 + 10],
|
|
data->msg_buf[MSG_PRESSURE][i * 16 + 11],
|
|
data->msg_buf[MSG_PRESSURE][i * 16 + 12],
|
|
data->msg_buf[MSG_PRESSURE][i * 16 + 13],
|
|
data->msg_buf[MSG_PRESSURE][i * 16 + 14],
|
|
data->msg_buf[MSG_PRESSURE][i * 16 + 15]);
|
|
}
|
|
pr_info("[FACTORY] %s - %02x,%02x,%02x,%02x,%02x,%02x,%02x,%02x\n",
|
|
__func__, data->msg_buf[MSG_PRESSURE][i * 16 + 0],
|
|
data->msg_buf[MSG_PRESSURE][i * 16 + 1],
|
|
data->msg_buf[MSG_PRESSURE][i * 16 + 2],
|
|
data->msg_buf[MSG_PRESSURE][i * 16 + 3],
|
|
data->msg_buf[MSG_PRESSURE][i * 16 + 4],
|
|
data->msg_buf[MSG_PRESSURE][i * 16 + 5],
|
|
data->msg_buf[MSG_PRESSURE][i * 16 + 6],
|
|
data->msg_buf[MSG_PRESSURE][i * 16 + 7]);
|
|
}
|
|
|
|
return snprintf(buf, PAGE_SIZE, "%s\n", "Done");
|
|
}
|
|
|
|
static DEVICE_ATTR(vendor, 0444, pressure_vendor_show, NULL);
|
|
static DEVICE_ATTR(name, 0444, pressure_name_show, NULL);
|
|
static DEVICE_ATTR(calibration, 0664,
|
|
pressure_cabratioin_show, pressure_cabratioin_store);
|
|
static DEVICE_ATTR(sea_level_pressure, 0664,
|
|
sea_level_pressure_show, sea_level_pressure_store);
|
|
static DEVICE_ATTR(temperature, 0444, temperature_show, NULL);
|
|
static DEVICE_ATTR(selftest, 0444, selftest_show, NULL);
|
|
#ifdef CONFIG_SEC_FACTORY
|
|
static DEVICE_ATTR(dhr_sensor_info, 0444,
|
|
pressure_dhr_sensor_info_show, NULL);
|
|
#else
|
|
static DEVICE_ATTR(dhr_sensor_info, 0440,
|
|
pressure_dhr_sensor_info_show, NULL);
|
|
#endif
|
|
|
|
static struct device_attribute *pressure_attrs[] = {
|
|
&dev_attr_vendor,
|
|
&dev_attr_name,
|
|
&dev_attr_calibration,
|
|
&dev_attr_sea_level_pressure,
|
|
&dev_attr_temperature,
|
|
&dev_attr_selftest,
|
|
&dev_attr_dhr_sensor_info,
|
|
NULL,
|
|
};
|
|
|
|
static int __init lps22hh_pressure_factory_init(void)
|
|
{
|
|
adsp_factory_register(MSG_PRESSURE, pressure_attrs);
|
|
|
|
pr_info("[FACTORY] %s\n", __func__);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void __exit lps22hh_pressure_factory_exit(void)
|
|
{
|
|
adsp_factory_unregister(MSG_PRESSURE);
|
|
|
|
pr_info("[FACTORY] %s\n", __func__);
|
|
}
|
|
|
|
module_init(lps22hh_pressure_factory_init);
|
|
module_exit(lps22hh_pressure_factory_exit);
|
|
|