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/*
* linux/arch/arm/mach-k3v2/lm.c
*
* Copyright (C) 2003 Deep Blue Solutions 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 version 2 as
* published by the Free Software Foundation.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/slab.h>
#include "lm.h"
#include <linux/string.h>
#define to_lm_device(d) container_of(d, struct lm_device, dev)
#define to_lm_driver(d) container_of(d, struct lm_driver, drv)
static int lm_match(struct device *dev, struct device_driver *drv)
{
if (!dev_name(dev) || !drv->name) {
WARN(!dev_name(dev), "logic model device no name!\n");
WARN(!drv->name, "logic model driver no name!\n");
return 0;
}
if (0 == strcmp(dev_name(dev), drv->name))
return 1;
else
return 0;
}
static int lm_bus_probe(struct device *dev)
{
struct lm_device *lmdev = to_lm_device(dev);
struct lm_driver *lmdrv = to_lm_driver(dev->driver);
return lmdrv->probe(lmdev);
}
static int lm_bus_remove(struct device *dev)
{
struct lm_device *lmdev = to_lm_device(dev);
struct lm_driver *lmdrv = to_lm_driver(dev->driver);
if (lmdrv->remove)
lmdrv->remove(lmdev);
return 0;
}
static int lm_bus_suspend(struct device *dev, pm_message_t state)
{
struct lm_device *lmdev = to_lm_device(dev);
struct lm_driver *lmdrv = to_lm_driver(dev->driver);
if (lmdrv->suspend)
return lmdrv->suspend(lmdev, state);
return 0;
}
static int lm_bus_resume(struct device *dev)
{
struct lm_device *lmdev = to_lm_device(dev);
struct lm_driver *lmdrv = to_lm_driver(dev->driver);
if (lmdrv->resume)
return lmdrv->resume(lmdev);
return 0;
}
static struct bus_type lm_bustype = {
.name = "logicmodule",
.match = lm_match,
.probe = lm_bus_probe,
.remove = lm_bus_remove,
.suspend = lm_bus_suspend,
.resume = lm_bus_resume,
};
static int __init lm_init(void)
{
return bus_register(&lm_bustype);
}
postcore_initcall(lm_init);
int lm_driver_register(struct lm_driver *drv)
{
drv->drv.bus = &lm_bustype;
return driver_register(&drv->drv);
}
void lm_driver_unregister(struct lm_driver *drv)
{
driver_unregister(&drv->drv);
}
static void lm_device_release(struct device *dev)
{
struct lm_device *d = to_lm_device(dev);
kfree(d);
}
int lm_device_register(struct lm_device *dev)
{
int ret;
dev->dev.release = lm_device_release;
dev->dev.bus = &lm_bustype;
if (dev->dev.init_name) {
ret = dev_set_name(&dev->dev, dev->dev.init_name, dev->id);
} else {
ret = dev_set_name(&dev->dev, "lm%d", dev->id);
}
if (ret) {
WARN(1, "lm device set name fail\n");
return ret;
}
dev->resource.name = dev_name(&dev->dev);
ret = request_resource(&iomem_resource, &dev->resource);
if (ret == 0) {
ret = device_register(&dev->dev);
if (ret) {
release_resource(&dev->resource);
WARN(1, "lm device register device fail\n");
}
} else
WARN(1, "lm device request resource fail\n");
return ret;
}
EXPORT_SYMBOL(lm_driver_register);
EXPORT_SYMBOL(lm_driver_unregister);
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