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/*
* Driver for the NXP ISP1760 chip
*
* Copyright 2014 Laurent Pinchart
* Copyright 2007 Sebastian Siewior
*
* Contacts:
* Sebastian Siewior <bigeasy@linutronix.de>
* Laurent Pinchart <laurent.pinchart@ideasonboard.com>
*
* 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/gpio.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/usb.h>
#include "isp1760-core.h"
#include "isp1760-hcd.h"
int isp1760_register(struct resource *mem, int irq, unsigned long irqflags,
struct device *dev, unsigned int devflags)
{
struct isp1760_device *isp;
int ret;
if (usb_disabled())
return -ENODEV;
/* prevent usb-core allocating DMA pages */
dev->dma_mask = NULL;
isp = devm_kzalloc(dev, sizeof(*isp), GFP_KERNEL);
if (!isp)
return -ENOMEM;
isp->regs = devm_ioremap_resource(dev, mem);
if (IS_ERR(isp->regs))
return PTR_ERR(isp->regs);
ret = isp1760_hcd_register(&isp->hcd, isp->regs, mem, irq,
irqflags | IRQF_SHARED, dev, devflags);
if (ret < 0)
return ret;
dev_set_drvdata(dev, isp);
return 0;
}
void isp1760_unregister(struct device *dev)
{
struct isp1760_device *isp = dev_get_drvdata(dev);
isp1760_hcd_unregister(&isp->hcd);
}
MODULE_DESCRIPTION("Driver for the ISP1760 USB-controller from NXP");
MODULE_AUTHOR("Sebastian Siewior <bigeasy@linuxtronix.de>");
MODULE_LICENSE("GPL v2");
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