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/*
* Bluetooth PM code for the FIC gta02 GSM Phone
*
* (C) 2007 by Openmoko Inc.
* Author: Harald Welte <laforge@openmoko.org>
* 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 version 2 as
* published by the Free Software Foundation
*
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <mach/gta02.h>
#include <linux/mfd/pcf50633/gpio.h>
static ssize_t pm_host_read(struct device *dev, struct device_attribute *attr,
char *buf)
{
return sprintf(buf, "%d\n",
pcf50633_gpio_get(gta02_pcf, PCF50633_GPO)
== PCF50633_GPOCFG_GPOSEL_1);
}
static ssize_t pm_host_write(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
unsigned long on = simple_strtoul(buf, NULL, 10);
u8 val;
if (on)
val = PCF50633_GPOCFG_GPOSEL_1;
else
val = PCF50633_GPOCFG_GPOSEL_0;
pcf50633_gpio_set(gta02_pcf, PCF50633_GPO, val);
return count;
}
static DEVICE_ATTR(hostmode, 0644, pm_host_read, pm_host_write);
static struct attribute *gta02_pm_host_sysfs_entries[] = {
&dev_attr_hostmode.attr,
NULL
};
static struct attribute_group gta02_pm_host_attr_group = {
.name = NULL,
.attrs = gta02_pm_host_sysfs_entries,
};
static int __init gta02_pm_host_probe(struct platform_device *pdev)
{
dev_info(&pdev->dev, "starting\n");
return sysfs_create_group(&pdev->dev.kobj, >a02_pm_host_attr_group);
}
static int gta02_pm_host_remove(struct platform_device *pdev)
{
sysfs_remove_group(&pdev->dev.kobj, >a02_pm_host_attr_group);
return 0;
}
static struct platform_driver gta02_pm_host_driver = {
.probe = gta02_pm_host_probe,
.remove = gta02_pm_host_remove,
.driver = {
.name = "gta02-pm-host",
},
};
static int __devinit gta02_pm_host_init(void)
{
return platform_driver_register(>a02_pm_host_driver);
}
static void gta02_pm_host_exit(void)
{
platform_driver_unregister(>a02_pm_host_driver);
}
module_init(gta02_pm_host_init);
module_exit(gta02_pm_host_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Andy Green <andy@openmoko.com>");
MODULE_DESCRIPTION("Openmoko Freerunner USB Host Power Management");
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