98 lines
2.3 KiB
C
98 lines
2.3 KiB
C
/*
|
|
* 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");
|