ehci-ps3.c revision ad75a41085d80c8ce5e885962c15779935f8267e
1ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand/* 2ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand * PS3 EHCI Host Controller driver 3ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand * 4ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand * Copyright (C) 2006 Sony Computer Entertainment Inc. 5ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand * Copyright 2006 Sony Corp. 6ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand * 7ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand * This program is free software; you can redistribute it and/or modify 8ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand * it under the terms of the GNU General Public License as published by 9ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand * the Free Software Foundation; version 2 of the License. 10ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand * 11ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand * This program is distributed in the hope that it will be useful, 12ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand * but WITHOUT ANY WARRANTY; without even the implied warranty of 13ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand * GNU General Public License for more details. 15ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand * 16ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand * You should have received a copy of the GNU General Public License 17ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand * along with this program; if not, write to the Free Software 18ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand */ 20ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 21ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand#include <asm/ps3.h> 22ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 23ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levandstatic int ps3_ehci_hc_reset(struct usb_hcd *hcd) 24ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand{ 25ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand int result; 26ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand struct ehci_hcd *ehci = hcd_to_ehci(hcd); 27ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 28ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand ehci->big_endian_mmio = 1; 29ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 30ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand ehci->caps = hcd->regs; 31ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand ehci->regs = hcd->regs + HC_LENGTH(ehci_readl(ehci, 32ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand &ehci->caps->hc_capbase)); 33ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 34ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand dbg_hcs_params(ehci, "reset"); 35ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand dbg_hcc_params(ehci, "reset"); 36ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 37ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); 38ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 39ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand result = ehci_halt(ehci); 40ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 41ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand if (result) 42ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand return result; 43ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 44ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand result = ehci_init(hcd); 45ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 46ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand if (result) 47ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand return result; 48ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 49ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand ehci_port_power(ehci, 0); 50ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 51ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand return result; 52ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand} 53ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 54ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levandstatic const struct hc_driver ps3_ehci_hc_driver = { 55ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand .description = hcd_name, 56ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand .product_desc = "PS3 EHCI Host Controller", 57ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand .hcd_priv_size = sizeof(struct ehci_hcd), 58ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand .irq = ehci_irq, 59ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand .flags = HCD_MEMORY | HCD_USB2, 60ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand .reset = ps3_ehci_hc_reset, 61ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand .start = ehci_run, 62ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand .stop = ehci_stop, 63ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand .shutdown = ehci_shutdown, 64ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand .urb_enqueue = ehci_urb_enqueue, 65ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand .urb_dequeue = ehci_urb_dequeue, 66ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand .endpoint_disable = ehci_endpoint_disable, 67ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand .get_frame_number = ehci_get_frame, 68ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand .hub_status_data = ehci_hub_status_data, 69ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand .hub_control = ehci_hub_control, 70ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand#if defined(CONFIG_PM) 71ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand .bus_suspend = ehci_bus_suspend, 72ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand .bus_resume = ehci_bus_resume, 73ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand#endif 74ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand}; 75ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 76ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand#if !defined(DEBUG) 77ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand#undef dev_dbg 78ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levandstatic inline int __attribute__ ((format (printf, 2, 3))) dev_dbg( 79ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand const struct device *_dev, const char *fmt, ...) {return 0;} 80ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand#endif 81ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 82ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 83ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levandstatic int ps3_ehci_sb_probe(struct ps3_system_bus_device *dev) 84ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand{ 85ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand int result; 86ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand struct usb_hcd *hcd; 87ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand unsigned int virq; 88ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand static u64 dummy_mask = DMA_32BIT_MASK; 89ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 90ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand if (usb_disabled()) { 91ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand result = -ENODEV; 92ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand goto fail_start; 93ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand } 94ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 95ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand result = ps3_mmio_region_create(dev->m_region); 96ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 97ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand if (result) { 98ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand dev_dbg(&dev->core, "%s:%d: ps3_map_mmio_region failed\n", 99ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand __func__, __LINE__); 100ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand result = -EPERM; 101ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand goto fail_mmio; 102ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand } 103ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 104ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand dev_dbg(&dev->core, "%s:%d: mmio mapped_addr %lxh\n", __func__, 105ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand __LINE__, dev->m_region->lpar_addr); 106ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 107ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand result = ps3_alloc_io_irq(dev->interrupt_id, &virq); 108ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 109ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand if (result) { 110ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand dev_dbg(&dev->core, "%s:%d: ps3_construct_io_irq(%d) failed.\n", 111ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand __func__, __LINE__, virq); 112ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand result = -EPERM; 113ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand goto fail_irq; 114ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand } 115ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 116ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand dev->core.power.power_state = PMSG_ON; 117ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand dev->core.dma_mask = &dummy_mask; /* FIXME: for improper usb code */ 118ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 119ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand hcd = usb_create_hcd(&ps3_ehci_hc_driver, &dev->core, dev->core.bus_id); 120ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 121ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand if (!hcd) { 122ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand dev_dbg(&dev->core, "%s:%d: usb_create_hcd failed\n", __func__, 123ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand __LINE__); 124ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand result = -ENOMEM; 125ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand goto fail_create_hcd; 126ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand } 127ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 128ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand hcd->rsrc_start = dev->m_region->lpar_addr; 129ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand hcd->rsrc_len = dev->m_region->len; 130ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand hcd->regs = ioremap(dev->m_region->lpar_addr, dev->m_region->len); 131ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 132ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand if (!hcd->regs) { 133ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand dev_dbg(&dev->core, "%s:%d: ioremap failed\n", __func__, 134ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand __LINE__); 135ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand result = -EPERM; 136ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand goto fail_ioremap; 137ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand } 138ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 139ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand dev_dbg(&dev->core, "%s:%d: hcd->rsrc_start %lxh\n", __func__, __LINE__, 140ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand (unsigned long)hcd->rsrc_start); 141ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand dev_dbg(&dev->core, "%s:%d: hcd->rsrc_len %lxh\n", __func__, __LINE__, 142ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand (unsigned long)hcd->rsrc_len); 143ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand dev_dbg(&dev->core, "%s:%d: hcd->regs %lxh\n", __func__, __LINE__, 144ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand (unsigned long)hcd->regs); 145ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand dev_dbg(&dev->core, "%s:%d: virq %lu\n", __func__, __LINE__, 146ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand (unsigned long)virq); 147ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 148ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand ps3_system_bus_set_driver_data(dev, hcd); 149ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 150ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand result = usb_add_hcd(hcd, virq, IRQF_DISABLED); 151ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 152ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand if (result) { 153ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand dev_dbg(&dev->core, "%s:%d: usb_add_hcd failed (%d)\n", 154ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand __func__, __LINE__, result); 155ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand goto fail_add_hcd; 156ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand } 157ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 158ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand return result; 159ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 160ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levandfail_add_hcd: 161ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand iounmap(hcd->regs); 162ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levandfail_ioremap: 163ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand usb_put_hcd(hcd); 164ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levandfail_create_hcd: 165ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand ps3_free_io_irq(virq); 166ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levandfail_irq: 167ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand ps3_free_mmio_region(dev->m_region); 168ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levandfail_mmio: 169ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levandfail_start: 170ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand return result; 171ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand} 172ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 173ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levandstatic int ps3_ehci_sb_remove(struct ps3_system_bus_device *dev) 174ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand{ 175ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand struct usb_hcd *hcd = 176ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand (struct usb_hcd *)ps3_system_bus_get_driver_data(dev); 177ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 178ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand usb_put_hcd(hcd); 179ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand ps3_system_bus_set_driver_data(dev, NULL); 180ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 181ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand return 0; 182ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand} 183ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 184ad75a41085d80c8ce5e885962c15779935f8267eGeoff LevandMODULE_ALIAS("ps3-ehci"); 185ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand 186ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levandstatic struct ps3_system_bus_driver ps3_ehci_sb_driver = { 187ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand .match_id = PS3_MATCH_ID_EHCI, 188ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand .core = { 189ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand .name = "ps3-ehci-driver", 190ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand }, 191ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand .probe = ps3_ehci_sb_probe, 192ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand .remove = ps3_ehci_sb_remove, 193ad75a41085d80c8ce5e885962c15779935f8267eGeoff Levand}; 194