/* *  PS3 EHCI Host Controller driver * *  Copyright (C) 2006 Sony Computer Entertainment Inc. *  Copyright 2006 Sony Corp. * *  This program is free software; you can redistribute it and/or modify *  it under the terms of the GNU General Public License as published by *  the Free Software Foundation; version 2 of the License. * *  This program is distributed in the hope that it will be useful, *  but WITHOUT ANY WARRANTY; without even the implied warranty of *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the *  GNU General Public License for more details. * *  You should have received a copy of the GNU General Public License *  along with this program; if not, write to the Free Software *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */#include <asm/ps3.h>static int ps3_ehci_hc_reset(struct usb_hcd *hcd){	int result;	struct ehci_hcd *ehci = hcd_to_ehci(hcd);	ehci->big_endian_mmio = 1;	ehci->caps = hcd->regs;	ehci->regs = hcd->regs + HC_LENGTH(ehci_readl(ehci,		&ehci->caps->hc_capbase));	dbg_hcs_params(ehci, "reset");	dbg_hcc_params(ehci, "reset");	ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);	result = ehci_halt(ehci);	if (result)		return result;	result = ehci_init(hcd);	if (result)		return result;	ehci_port_power(ehci, 0);	return result;}static const struct hc_driver ps3_ehci_hc_driver = {	.description		= hcd_name,	.product_desc		= "PS3 EHCI Host Controller",	.hcd_priv_size		= sizeof(struct ehci_hcd),	.irq			= ehci_irq,	.flags			= HCD_MEMORY | HCD_USB2,	.reset			= ps3_ehci_hc_reset,	.start			= ehci_run,	.stop			= ehci_stop,	.shutdown		= ehci_shutdown,	.urb_enqueue		= ehci_urb_enqueue,	.urb_dequeue		= ehci_urb_dequeue,	.endpoint_disable	= ehci_endpoint_disable,	.get_frame_number	= ehci_get_frame,	.hub_status_data	= ehci_hub_status_data,	.hub_control		= ehci_hub_control,#if defined(CONFIG_PM)	.bus_suspend		= ehci_bus_suspend,	.bus_resume		= ehci_bus_resume,#endif};#if !defined(DEBUG)#undef dev_dbgstatic inline int __attribute__ ((format (printf, 2, 3))) dev_dbg(	const struct device *_dev, const char *fmt, ...) {return 0;}#endifstatic int ps3_ehci_sb_probe(struct ps3_system_bus_device *dev){	int result;	struct usb_hcd *hcd;	unsigned int virq;	static u64 dummy_mask = DMA_32BIT_MASK;	if (usb_disabled()) {		result = -ENODEV;		goto fail_start;	}	result = ps3_mmio_region_create(dev->m_region);	if (result) {		dev_dbg(&dev->core, "%s:%d: ps3_map_mmio_region failed\n",			__func__, __LINE__);		result = -EPERM;		goto fail_mmio;	}	dev_dbg(&dev->core, "%s:%d: mmio mapped_addr %lxh\n", __func__,		__LINE__, dev->m_region->lpar_addr);	result = ps3_alloc_io_irq(PS3_BINDING_CPU_ANY, dev->interrupt_id, &virq);	if (result) {		dev_dbg(&dev->core, "%s:%d: ps3_construct_io_irq(%d) failed.\n",			__func__, __LINE__, virq);		result = -EPERM;		goto fail_irq;	}	dev->core.power.power_state = PMSG_ON;	dev->core.dma_mask = &dummy_mask; /* FIXME: for improper usb code */	hcd = usb_create_hcd(&ps3_ehci_hc_driver, &dev->core, dev->core.bus_id);	if (!hcd) {		dev_dbg(&dev->core, "%s:%d: usb_create_hcd failed\n", __func__,			__LINE__);		result = -ENOMEM;		goto fail_create_hcd;	}	hcd->rsrc_start = dev->m_region->lpar_addr;	hcd->rsrc_len = dev->m_region->len;	hcd->regs = ioremap(dev->m_region->lpar_addr, dev->m_region->len);	if (!hcd->regs) {		dev_dbg(&dev->core, "%s:%d: ioremap failed\n", __func__,			__LINE__);		result = -EPERM;		goto fail_ioremap;	}	dev_dbg(&dev->core, "%s:%d: hcd->rsrc_start %lxh\n", __func__, __LINE__,		(unsigned long)hcd->rsrc_start);	dev_dbg(&dev->core, "%s:%d: hcd->rsrc_len   %lxh\n", __func__, __LINE__,		(unsigned long)hcd->rsrc_len);	dev_dbg(&dev->core, "%s:%d: hcd->regs       %lxh\n", __func__, __LINE__,		(unsigned long)hcd->regs);	dev_dbg(&dev->core, "%s:%d: virq            %lu\n", __func__, __LINE__,		(unsigned long)virq);	ps3_system_bus_set_driver_data(dev, hcd);	result = usb_add_hcd(hcd, virq, IRQF_DISABLED);	if (result) {		dev_dbg(&dev->core, "%s:%d: usb_add_hcd failed (%d)\n",			__func__, __LINE__, result);		goto fail_add_hcd;	}	return result;fail_add_hcd:	iounmap(hcd->regs);fail_ioremap:	usb_put_hcd(hcd);fail_create_hcd:	ps3_free_io_irq(virq);fail_irq:	ps3_free_mmio_region(dev->m_region);fail_mmio:fail_start:	return result;}static int ps3_ehci_sb_remove(struct ps3_system_bus_device *dev){	struct usb_hcd *hcd =		(struct usb_hcd *)ps3_system_bus_get_driver_data(dev);	usb_put_hcd(hcd);	ps3_system_bus_set_driver_data(dev, NULL);	return 0;}MODULE_ALIAS("ps3-ehci");static struct ps3_system_bus_driver ps3_ehci_sb_driver = {	.match_id = PS3_MATCH_ID_EHCI,	.core = {		.name = "ps3-ehci-driver",	},	.probe = ps3_ehci_sb_probe,	.remove = ps3_ehci_sb_remove,};