/* * 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 }; static 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, };