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/*
* drivers/misc/tegra_vib_odm.c
*
* Miscellaneous timed output driver for vibrators implemented using NVIDIA's
* Tegra ODM kit
*
* Copyright (c) 2009, NVIDIA Corporation.
*
* 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.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/err.h>
#include <linux/hrtimer.h>
#include <linux/delay.h>
#include <../drivers/staging/android/timed_output.h>
#include "mach/nvrm_linux.h"
#include "nvos.h"
#include "nvassert.h"
#include "nvodm_query.h"
#include "nvodm_vibrate.h"
static NvOdmVibDeviceHandle s_hOdmVibrate = NULL;
static int s_Timeout;
static void vibrator_enable(struct timed_output_dev *dev, int value)
{
s_Timeout = value;
if (!s_hOdmVibrate) {
NvOdmVibOpen(&s_hOdmVibrate);
if (!s_hOdmVibrate)
return;
}
if (value) {
NvOdmVibStart(s_hOdmVibrate);
msleep(value);
NvOdmVibStop(s_hOdmVibrate);
} else {
NvOdmVibStop(s_hOdmVibrate);
}
}
static int vibrator_get_time(struct timed_output_dev *dev)
{
return s_Timeout;
}
static struct timed_output_dev tegra_vibrator = {
.name = "vibrator",
.get_time = vibrator_get_time,
.enable = vibrator_enable,
};
static int __init init_tegra_vibrator(void)
{
int status;
if(!s_hOdmVibrate)
NvOdmVibOpen(&s_hOdmVibrate);
if (!s_hOdmVibrate)
return -ENODEV;
s_Timeout = 0;
status = timed_output_dev_register(&tegra_vibrator);
if (status)
NvOdmVibClose(s_hOdmVibrate);
return status;
}
static void __exit exit_tegra_vibrator(void)
{
if(s_hOdmVibrate) {
timed_output_dev_unregister(&tegra_vibrator);
NvOdmVibClose(s_hOdmVibrate);
s_hOdmVibrate = NULL;
}
}
module_init(init_tegra_vibrator);
module_exit(exit_tegra_vibrator);
MODULE_DESCRIPTION("timed output vibrator device");
MODULE_LICENSE("GPL");
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