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