android_kernel_samsung_msm8226/drivers/adsp_factory/yas532_mag.c

298 lines
9.2 KiB
C

/*
* 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 "YAMAHA"
#define CHIP_ID "YAS532B"
#define RAWDATA_TIMER_MS 200
#define RAWDATA_TIMER_MARGIN_MS 20
#define MAG_SELFTEST_TRY_CNT 7
static struct work_struct timer_stop_data_work;
extern unsigned int raw_data_stream;
extern struct mutex raw_stream_lock;
static ssize_t mag_vendor_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%s\n", VENDOR);
}
static ssize_t mag_name_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%s\n", CHIP_ID);
}
static ssize_t mag_raw_data_read(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct msg_data message;
unsigned long timeout = jiffies + (2 * HZ);
struct adsp_data *data = dev_get_drvdata(dev);
if (!(raw_data_stream & ADSP_RAW_MAG)) {
msleep(RAWDATA_TIMER_MS * 4);
pr_info("[FACTORY] %s: Start!!!!!!\n", __func__);
mutex_lock(&raw_stream_lock);
raw_data_stream |= ADSP_RAW_MAG;
message.sensor_type = ADSP_FACTORY_MODE_MAG;
adsp_unicast(message, NETLINK_MESSAGE_GET_RAW_DATA, 0, 0);
mutex_unlock(&raw_stream_lock);
}
while (!(data->data_ready_flag & 1 << ADSP_FACTORY_MODE_MAG)) {
msleep(20);
if (time_after(jiffies, timeout)) {
pr_info("[FACTORY] %s: Timeout!!!\n", __func__);
return snprintf(buf, PAGE_SIZE, "%d,%d,%d\n", 0, 0, 0);
}
}
adsp_factory_start_timer(RAWDATA_TIMER_MS);
pr_info("[FACTORY] %s: %d,%d,%d\n", __func__,
data->sensor_data[ADSP_FACTORY_MODE_MAG].x,
data->sensor_data[ADSP_FACTORY_MODE_MAG].y,
data->sensor_data[ADSP_FACTORY_MODE_MAG].z);
return snprintf(buf, PAGE_SIZE, "%d,%d,%d\n",
data->sensor_data[ADSP_FACTORY_MODE_MAG].x,
data->sensor_data[ADSP_FACTORY_MODE_MAG].y,
data->sensor_data[ADSP_FACTORY_MODE_MAG].z);
}
static ssize_t mag_raw_data_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
int iRet;
int64_t dEnable;
struct msg_data message;
iRet = kstrtoll(buf, 10, &dEnable);
if (iRet < 0)
return iRet;
if (dEnable) {
message.sensor_type = ADSP_FACTORY_MODE_MAG_POWERNOISE_ON;
msleep(RAWDATA_TIMER_MS + RAWDATA_TIMER_MARGIN_MS);
adsp_unicast(message, NETLINK_MESSAGE_MAG_POWERNOISE_ON, 0, 0);
} else {
if ((raw_data_stream & ADSP_RAW_MAG)) {
mutex_lock(&raw_stream_lock);
raw_data_stream &= ~ADSP_RAW_MAG;
message.sensor_type = ADSP_FACTORY_MODE_MAG;
adsp_unicast(message, NETLINK_MESSAGE_STOP_RAW_DATA, 0, 0);
mutex_unlock(&raw_stream_lock);
pr_info("[FACTORY] %s: raw_data_stream flag = %d\n",
__func__, raw_data_stream);
}
message.sensor_type = ADSP_FACTORY_MODE_MAG_POWERNOISE_OFF;
msleep(RAWDATA_TIMER_MS * 2);
adsp_unicast(message, NETLINK_MESSAGE_MAG_POWERNOISE_OFF, 0, 0);
}
pr_info("[FACTORY] %s: %lld\n", __func__, dEnable);
return size;
}
static void mag_stop_raw_data_worker(struct work_struct *work)
{
struct msg_data message;
if ((raw_data_stream & ADSP_RAW_MAG)) {
mutex_lock(&raw_stream_lock);
raw_data_stream &= ~ADSP_RAW_MAG;
message.sensor_type = ADSP_FACTORY_MODE_MAG;
adsp_unicast(message, NETLINK_MESSAGE_STOP_RAW_DATA, 0, 0);
mutex_unlock(&raw_stream_lock);
pr_info("[FACTORY] %s: raw_data_stream flag = %d\n",
__func__, raw_data_stream);
}
return;
}
static ssize_t selttest_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct adsp_data *data = dev_get_drvdata(dev);
int result1 = 0;
int result2 = 0;
struct msg_data message;
s8 err[7] = { 0, };
int retry = 0;
int i;
retry_mag_selftest:
message.sensor_type = ADSP_FACTORY_MODE_MAG;
msleep(RAWDATA_TIMER_MS + RAWDATA_TIMER_MARGIN_MS);
adsp_unicast(message, NETLINK_MESSAGE_SELFTEST_SHOW_DATA, 0, 0);
while (!(data->selftest_ready_flag & 1 << ADSP_FACTORY_MODE_MAG))
msleep(20);
data->selftest_ready_flag &= 0 << ADSP_FACTORY_MODE_MAG;
if (data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].nSelftestresult1 == 0)
result1 = 1;
else
result1 = 0;
if (data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].nSelftestresult2 == 0)
result2 = 1;
else
result2 = 0;
pr_info("[FACTORY] %s: result = %d, %d\n", __func__, result1, result2);
if (data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].id != 0x2)
err[0] = -1;
if (data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].offset_x < -30 ||
data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].offset_x > 30)
err[3] = -1;
if (data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].offset_y < -30 ||
data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].offset_y > 30)
err[3] = -1;
if (data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].offset_z < -30 ||
data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].offset_z > 30)
err[3] = -1;
if (data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].sx < 17 ||
data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].sy < 22)
err[5] = -1;
if (data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].ohx < -600 ||
data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].ohx > 600)
err[6] = -1;
if (data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].ohy < -600 ||
data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].ohy > 600)
err[6] = -1;
if (data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].ohz < -600 ||
data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].ohz > 600)
err[6] = -1;
pr_info("[FACTORY] Test1: err = %d, id = %d\n"
"[FACTORY] Test3: err = %d\n"
"[FACTORY] Test4: err = %d, offset = %d,%d,%d\n"
"[FACTORY] Test5: err = %d, direction = %d\n"
"[FACTORY] Test6: err = %d, sensitivity = %d,%d\n"
"[FACTORY] Test7: err = %d, offset = %d,%d,%d\n"
"[FACTORY] Test2: err = %d\n",
err[0], data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].id,
err[2], err[3],
data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].offset_x,
data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].offset_y,
data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].offset_z,
err[4], data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].dir,
err[5],
data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].sx,
data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].sy,
err[6],
data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].ohx,
data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].ohy,
data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].ohz,
err[1]);
if (!result1) {
if (retry < MAG_SELFTEST_TRY_CNT && data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].id == 0) {
retry++;
msleep(RAWDATA_TIMER_MS * 2);
for (i = 0; i < 7; i++)
err[i] = 0;
goto retry_mag_selftest;
}
}
return sprintf(buf,
"%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d\n",
err[0], data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].id,
err[2], err[3],
data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].offset_x,
data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].offset_y,
data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].offset_z,
err[4], data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].dir,
err[5],
data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].sx,
data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].sy,
err[6],
data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].ohx,
data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].ohy,
data->sensor_selftest_result[ADSP_FACTORY_MODE_MAG].ohz,
err[1]);
}
static DEVICE_ATTR(selftest, 0664, selttest_show, NULL);
static DEVICE_ATTR(name, 0440, mag_name_show, NULL);
static DEVICE_ATTR(vendor, 0440, mag_vendor_show, NULL);
static DEVICE_ATTR(raw_data, 0664, mag_raw_data_read, mag_raw_data_store);
static struct device_attribute *mag_attrs[] = {
&dev_attr_selftest,
&dev_attr_name,
&dev_attr_vendor,
&dev_attr_raw_data,
NULL,
};
int mag_factory_init(struct adsp_data *data)
{
return 0;
}
int mag_factory_exit(struct adsp_data *data)
{
return 0;
}
int mag_factory_receive_data(struct adsp_data *data, int cmd)
{
switch (cmd) {
case CALLBACK_REGISTER_SUCCESS:
pr_info("[FACTORY] %s: yas532 registration success\n",
__func__);
break;
case CALLBACK_TIMER_EXPIRED:
pr_info("[FACTORY] %s: raw_data_stream flag = %d\n",
__func__, raw_data_stream);
schedule_work(&timer_stop_data_work);
break;
default:
break;
}
return 0;
}
static struct adsp_fac_ctl adsp_fact_cb = {
.init_fnc = mag_factory_init,
.exit_fnc = mag_factory_exit,
.receive_data_fnc = mag_factory_receive_data
};
static int __devinit yas532_factory_init(void)
{
adsp_factory_register("magnetic_sensor",
ADSP_FACTORY_MODE_MAG, mag_attrs, &adsp_fact_cb);
pr_info("[FACTORY] %s\n", __func__);
INIT_WORK(&timer_stop_data_work, mag_stop_raw_data_worker);
return 0;
}
static void __devexit yas532_factory_exit(void)
{
pr_info("[FACTORY] %s\n", __func__);
}
module_init(yas532_factory_init);
module_exit(yas532_factory_exit);