Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 1 | /* |
| 2 | * xHCI host controller driver PCI Bus Glue. |
| 3 | * |
| 4 | * Copyright (C) 2008 Intel Corp. |
| 5 | * |
| 6 | * Author: Sarah Sharp |
| 7 | * Some code borrowed from the Linux EHCI driver. |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License version 2 as |
| 11 | * published by the Free Software Foundation. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, but |
| 14 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| 15 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 16 | * for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software Foundation, |
| 20 | * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 21 | */ |
| 22 | |
| 23 | #include <linux/pci.h> |
Ben Hutchings | 7fc2a61 | 2011-04-25 16:54:28 +0100 | [diff] [blame] | 24 | #include <linux/slab.h> |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 25 | |
| 26 | #include "xhci.h" |
| 27 | |
Sarah Sharp | ac9d8fe | 2009-08-07 14:04:55 -0700 | [diff] [blame] | 28 | /* Device for a quirk */ |
| 29 | #define PCI_VENDOR_ID_FRESCO_LOGIC 0x1b73 |
| 30 | #define PCI_DEVICE_ID_FRESCO_LOGIC_PDK 0x1000 |
| 31 | |
Maarten Lankhorst | c877b3b | 2011-06-15 23:47:21 +0200 | [diff] [blame] | 32 | #define PCI_VENDOR_ID_ETRON 0x1b6f |
| 33 | #define PCI_DEVICE_ID_ASROCK_P67 0x7023 |
| 34 | |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 35 | static const char hcd_name[] = "xhci_hcd"; |
| 36 | |
| 37 | /* called after powerup, by probe or system-pm "wakeup" */ |
| 38 | static int xhci_pci_reinit(struct xhci_hcd *xhci, struct pci_dev *pdev) |
| 39 | { |
| 40 | /* |
| 41 | * TODO: Implement finding debug ports later. |
| 42 | * TODO: see if there are any quirks that need to be added to handle |
| 43 | * new extended capabilities. |
| 44 | */ |
| 45 | |
| 46 | /* PCI Memory-Write-Invalidate cycle support is optional (uncommon) */ |
| 47 | if (!pci_set_mwi(pdev)) |
| 48 | xhci_dbg(xhci, "MWI active\n"); |
| 49 | |
| 50 | xhci_dbg(xhci, "Finished xhci_pci_reinit\n"); |
| 51 | return 0; |
| 52 | } |
| 53 | |
Sebastian Andrzej Siewior | da3c9c4 | 2011-09-23 14:20:00 -0700 | [diff] [blame^] | 54 | typedef void (*xhci_get_quirks_t)(struct device *, struct xhci_hcd *); |
| 55 | |
| 56 | static int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks) |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 57 | { |
Sarah Sharp | f6ff0ac | 2010-12-16 11:21:10 -0800 | [diff] [blame] | 58 | struct xhci_hcd *xhci; |
Sebastian Andrzej Siewior | da3c9c4 | 2011-09-23 14:20:00 -0700 | [diff] [blame^] | 59 | struct device *dev = hcd->self.controller; |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 60 | int retval; |
Sarah Sharp | 006d582 | 2010-07-29 22:13:22 -0700 | [diff] [blame] | 61 | u32 temp; |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 62 | |
Sarah Sharp | bc88d2e | 2010-05-18 16:05:21 -0700 | [diff] [blame] | 63 | hcd->self.sg_tablesize = TRBS_PER_SEGMENT - 2; |
David Vrabel | 4c1bd3d | 2009-08-24 14:44:30 +0100 | [diff] [blame] | 64 | |
Sarah Sharp | f6ff0ac | 2010-12-16 11:21:10 -0800 | [diff] [blame] | 65 | if (usb_hcd_is_primary_hcd(hcd)) { |
| 66 | xhci = kzalloc(sizeof(struct xhci_hcd), GFP_KERNEL); |
| 67 | if (!xhci) |
| 68 | return -ENOMEM; |
| 69 | *((struct xhci_hcd **) hcd->hcd_priv) = xhci; |
| 70 | xhci->main_hcd = hcd; |
| 71 | /* Mark the first roothub as being USB 2.0. |
| 72 | * The xHCI driver will register the USB 3.0 roothub. |
| 73 | */ |
| 74 | hcd->speed = HCD_USB2; |
| 75 | hcd->self.root_hub->speed = USB_SPEED_HIGH; |
| 76 | /* |
| 77 | * USB 2.0 roothub under xHCI has an integrated TT, |
| 78 | * (rate matching hub) as opposed to having an OHCI/UHCI |
| 79 | * companion controller. |
| 80 | */ |
| 81 | hcd->has_tt = 1; |
| 82 | } else { |
| 83 | /* xHCI private pointer was set in xhci_pci_probe for the second |
| 84 | * registered roothub. |
| 85 | */ |
| 86 | xhci = hcd_to_xhci(hcd); |
| 87 | temp = xhci_readl(xhci, &xhci->cap_regs->hcc_params); |
| 88 | if (HCC_64BIT_ADDR(temp)) { |
| 89 | xhci_dbg(xhci, "Enabling 64-bit DMA addresses.\n"); |
| 90 | dma_set_mask(hcd->self.controller, DMA_BIT_MASK(64)); |
| 91 | } else { |
| 92 | dma_set_mask(hcd->self.controller, DMA_BIT_MASK(32)); |
| 93 | } |
| 94 | return 0; |
| 95 | } |
Sarah Sharp | b02d0ed | 2010-10-26 11:03:44 -0700 | [diff] [blame] | 96 | |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 97 | xhci->cap_regs = hcd->regs; |
| 98 | xhci->op_regs = hcd->regs + |
| 99 | HC_LENGTH(xhci_readl(xhci, &xhci->cap_regs->hc_capbase)); |
| 100 | xhci->run_regs = hcd->regs + |
| 101 | (xhci_readl(xhci, &xhci->cap_regs->run_regs_off) & RTSOFF_MASK); |
| 102 | /* Cache read-only capability registers */ |
| 103 | xhci->hcs_params1 = xhci_readl(xhci, &xhci->cap_regs->hcs_params1); |
| 104 | xhci->hcs_params2 = xhci_readl(xhci, &xhci->cap_regs->hcs_params2); |
| 105 | xhci->hcs_params3 = xhci_readl(xhci, &xhci->cap_regs->hcs_params3); |
Sarah Sharp | ac1c1b7 | 2009-09-04 10:53:20 -0700 | [diff] [blame] | 106 | xhci->hcc_params = xhci_readl(xhci, &xhci->cap_regs->hc_capbase); |
| 107 | xhci->hci_version = HC_VERSION(xhci->hcc_params); |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 108 | xhci->hcc_params = xhci_readl(xhci, &xhci->cap_regs->hcc_params); |
| 109 | xhci_print_registers(xhci); |
| 110 | |
Sebastian Andrzej Siewior | da3c9c4 | 2011-09-23 14:20:00 -0700 | [diff] [blame^] | 111 | get_quirks(dev, xhci); |
| 112 | |
| 113 | /* Make sure the HC is halted. */ |
| 114 | retval = xhci_halt(xhci); |
| 115 | if (retval) |
| 116 | goto error; |
| 117 | |
| 118 | xhci_dbg(xhci, "Resetting HCD\n"); |
| 119 | /* Reset the internal HC memory state and registers. */ |
| 120 | retval = xhci_reset(xhci); |
| 121 | if (retval) |
| 122 | goto error; |
| 123 | xhci_dbg(xhci, "Reset complete\n"); |
| 124 | |
| 125 | temp = xhci_readl(xhci, &xhci->cap_regs->hcc_params); |
| 126 | if (HCC_64BIT_ADDR(temp)) { |
| 127 | xhci_dbg(xhci, "Enabling 64-bit DMA addresses.\n"); |
| 128 | dma_set_mask(hcd->self.controller, DMA_BIT_MASK(64)); |
| 129 | } else { |
| 130 | dma_set_mask(hcd->self.controller, DMA_BIT_MASK(32)); |
| 131 | } |
| 132 | |
| 133 | xhci_dbg(xhci, "Calling HCD init\n"); |
| 134 | /* Initialize HCD and host controller data structures. */ |
| 135 | retval = xhci_init(hcd); |
| 136 | if (retval) |
| 137 | goto error; |
| 138 | xhci_dbg(xhci, "Called HCD init\n"); |
| 139 | return 0; |
| 140 | error: |
| 141 | kfree(xhci); |
| 142 | return retval; |
| 143 | } |
| 144 | |
| 145 | static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) |
| 146 | { |
| 147 | struct pci_dev *pdev = to_pci_dev(dev); |
| 148 | |
Sarah Sharp | ac9d8fe | 2009-08-07 14:04:55 -0700 | [diff] [blame] | 149 | /* Look for vendor-specific quirks */ |
| 150 | if (pdev->vendor == PCI_VENDOR_ID_FRESCO_LOGIC && |
Sarah Sharp | f5182b4 | 2011-06-02 11:33:02 -0700 | [diff] [blame] | 151 | pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_PDK) { |
| 152 | if (pdev->revision == 0x0) { |
Sarah Sharp | ac9d8fe | 2009-08-07 14:04:55 -0700 | [diff] [blame] | 153 | xhci->quirks |= XHCI_RESET_EP_QUIRK; |
| 154 | xhci_dbg(xhci, "QUIRK: Fresco Logic xHC needs configure" |
| 155 | " endpoint cmd after reset endpoint\n"); |
Sarah Sharp | f5182b4 | 2011-06-02 11:33:02 -0700 | [diff] [blame] | 156 | } |
| 157 | /* Fresco Logic confirms: all revisions of this chip do not |
| 158 | * support MSI, even though some of them claim to in their PCI |
| 159 | * capabilities. |
| 160 | */ |
| 161 | xhci->quirks |= XHCI_BROKEN_MSI; |
| 162 | xhci_dbg(xhci, "QUIRK: Fresco Logic revision %u " |
| 163 | "has broken MSI implementation\n", |
| 164 | pdev->revision); |
Sarah Sharp | ac9d8fe | 2009-08-07 14:04:55 -0700 | [diff] [blame] | 165 | } |
Sarah Sharp | f5182b4 | 2011-06-02 11:33:02 -0700 | [diff] [blame] | 166 | |
Sarah Sharp | 0238634 | 2010-05-24 13:25:28 -0700 | [diff] [blame] | 167 | if (pdev->vendor == PCI_VENDOR_ID_NEC) |
| 168 | xhci->quirks |= XHCI_NEC_HOST; |
Sarah Sharp | ac9d8fe | 2009-08-07 14:04:55 -0700 | [diff] [blame] | 169 | |
Andiry Xu | 7e393a8 | 2011-09-23 14:19:54 -0700 | [diff] [blame] | 170 | if (pdev->vendor == PCI_VENDOR_ID_AMD && xhci->hci_version == 0x96) |
| 171 | xhci->quirks |= XHCI_AMD_0x96_HOST; |
| 172 | |
Andiry Xu | c41136b | 2011-03-22 17:08:14 +0800 | [diff] [blame] | 173 | /* AMD PLL quirk */ |
| 174 | if (pdev->vendor == PCI_VENDOR_ID_AMD && usb_amd_find_chipset_info()) |
| 175 | xhci->quirks |= XHCI_AMD_PLL_FIX; |
Sarah Sharp | ad80833 | 2011-05-25 10:43:56 -0700 | [diff] [blame] | 176 | if (pdev->vendor == PCI_VENDOR_ID_INTEL && |
| 177 | pdev->device == PCI_DEVICE_ID_INTEL_PANTHERPOINT_XHCI) { |
| 178 | xhci->quirks |= XHCI_SPURIOUS_SUCCESS; |
Sarah Sharp | 2cf95c1 | 2011-05-11 16:14:58 -0700 | [diff] [blame] | 179 | xhci->quirks |= XHCI_EP_LIMIT_QUIRK; |
| 180 | xhci->limit_active_eps = 64; |
Sarah Sharp | 86cc558 | 2011-09-02 11:05:54 -0700 | [diff] [blame] | 181 | xhci->quirks |= XHCI_SW_BW_CHECKING; |
Sarah Sharp | ad80833 | 2011-05-25 10:43:56 -0700 | [diff] [blame] | 182 | } |
Maarten Lankhorst | c877b3b | 2011-06-15 23:47:21 +0200 | [diff] [blame] | 183 | if (pdev->vendor == PCI_VENDOR_ID_ETRON && |
| 184 | pdev->device == PCI_DEVICE_ID_ASROCK_P67) { |
| 185 | xhci->quirks |= XHCI_RESET_ON_RESUME; |
| 186 | xhci_dbg(xhci, "QUIRK: Resetting on resume\n"); |
| 187 | } |
Sebastian Andrzej Siewior | da3c9c4 | 2011-09-23 14:20:00 -0700 | [diff] [blame^] | 188 | } |
Andiry Xu | c41136b | 2011-03-22 17:08:14 +0800 | [diff] [blame] | 189 | |
Sebastian Andrzej Siewior | da3c9c4 | 2011-09-23 14:20:00 -0700 | [diff] [blame^] | 190 | /* called during probe() after chip reset completes */ |
| 191 | static int xhci_pci_setup(struct usb_hcd *hcd) |
| 192 | { |
| 193 | struct xhci_hcd *xhci; |
| 194 | struct pci_dev *pdev = to_pci_dev(hcd->self.controller); |
| 195 | int retval; |
| 196 | |
| 197 | retval = xhci_gen_setup(hcd, xhci_pci_quirks); |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 198 | if (retval) |
Sebastian Andrzej Siewior | da3c9c4 | 2011-09-23 14:20:00 -0700 | [diff] [blame^] | 199 | return retval; |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 200 | |
Sebastian Andrzej Siewior | da3c9c4 | 2011-09-23 14:20:00 -0700 | [diff] [blame^] | 201 | xhci = hcd_to_xhci(hcd); |
| 202 | if (!usb_hcd_is_primary_hcd(hcd)) |
| 203 | return 0; |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 204 | |
| 205 | pci_read_config_byte(pdev, XHCI_SBRN_OFFSET, &xhci->sbrn); |
| 206 | xhci_dbg(xhci, "Got SBRN %u\n", (unsigned int) xhci->sbrn); |
| 207 | |
| 208 | /* Find any debug ports */ |
Sarah Sharp | b02d0ed | 2010-10-26 11:03:44 -0700 | [diff] [blame] | 209 | retval = xhci_pci_reinit(xhci, pdev); |
| 210 | if (!retval) |
| 211 | return retval; |
| 212 | |
Sarah Sharp | b02d0ed | 2010-10-26 11:03:44 -0700 | [diff] [blame] | 213 | kfree(xhci); |
| 214 | return retval; |
| 215 | } |
| 216 | |
Sarah Sharp | f6ff0ac | 2010-12-16 11:21:10 -0800 | [diff] [blame] | 217 | /* |
| 218 | * We need to register our own PCI probe function (instead of the USB core's |
| 219 | * function) in order to create a second roothub under xHCI. |
| 220 | */ |
| 221 | static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) |
| 222 | { |
| 223 | int retval; |
| 224 | struct xhci_hcd *xhci; |
| 225 | struct hc_driver *driver; |
| 226 | struct usb_hcd *hcd; |
| 227 | |
| 228 | driver = (struct hc_driver *)id->driver_data; |
| 229 | /* Register the USB 2.0 roothub. |
| 230 | * FIXME: USB core must know to register the USB 2.0 roothub first. |
| 231 | * This is sort of silly, because we could just set the HCD driver flags |
| 232 | * to say USB 2.0, but I'm not sure what the implications would be in |
| 233 | * the other parts of the HCD code. |
| 234 | */ |
| 235 | retval = usb_hcd_pci_probe(dev, id); |
| 236 | |
| 237 | if (retval) |
| 238 | return retval; |
| 239 | |
| 240 | /* USB 2.0 roothub is stored in the PCI device now. */ |
| 241 | hcd = dev_get_drvdata(&dev->dev); |
| 242 | xhci = hcd_to_xhci(hcd); |
| 243 | xhci->shared_hcd = usb_create_shared_hcd(driver, &dev->dev, |
| 244 | pci_name(dev), hcd); |
| 245 | if (!xhci->shared_hcd) { |
| 246 | retval = -ENOMEM; |
| 247 | goto dealloc_usb2_hcd; |
| 248 | } |
| 249 | |
| 250 | /* Set the xHCI pointer before xhci_pci_setup() (aka hcd_driver.reset) |
| 251 | * is called by usb_add_hcd(). |
| 252 | */ |
| 253 | *((struct xhci_hcd **) xhci->shared_hcd->hcd_priv) = xhci; |
| 254 | |
| 255 | retval = usb_add_hcd(xhci->shared_hcd, dev->irq, |
Yong Zhang | b5dd18d | 2011-09-07 16:10:52 +0800 | [diff] [blame] | 256 | IRQF_SHARED); |
Sarah Sharp | f6ff0ac | 2010-12-16 11:21:10 -0800 | [diff] [blame] | 257 | if (retval) |
| 258 | goto put_usb3_hcd; |
| 259 | /* Roothub already marked as USB 3.0 speed */ |
| 260 | return 0; |
| 261 | |
| 262 | put_usb3_hcd: |
| 263 | usb_put_hcd(xhci->shared_hcd); |
| 264 | dealloc_usb2_hcd: |
| 265 | usb_hcd_pci_remove(dev); |
| 266 | return retval; |
| 267 | } |
| 268 | |
Sarah Sharp | b02d0ed | 2010-10-26 11:03:44 -0700 | [diff] [blame] | 269 | static void xhci_pci_remove(struct pci_dev *dev) |
| 270 | { |
| 271 | struct xhci_hcd *xhci; |
| 272 | |
| 273 | xhci = hcd_to_xhci(pci_get_drvdata(dev)); |
Sarah Sharp | f6ff0ac | 2010-12-16 11:21:10 -0800 | [diff] [blame] | 274 | if (xhci->shared_hcd) { |
| 275 | usb_remove_hcd(xhci->shared_hcd); |
| 276 | usb_put_hcd(xhci->shared_hcd); |
| 277 | } |
Sarah Sharp | b02d0ed | 2010-10-26 11:03:44 -0700 | [diff] [blame] | 278 | usb_hcd_pci_remove(dev); |
| 279 | kfree(xhci); |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 280 | } |
| 281 | |
Andiry Xu | 5535b1d | 2010-10-14 07:23:06 -0700 | [diff] [blame] | 282 | #ifdef CONFIG_PM |
| 283 | static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup) |
| 284 | { |
| 285 | struct xhci_hcd *xhci = hcd_to_xhci(hcd); |
| 286 | int retval = 0; |
| 287 | |
Sarah Sharp | b320937 | 2011-03-07 11:24:07 -0800 | [diff] [blame] | 288 | if (hcd->state != HC_STATE_SUSPENDED || |
| 289 | xhci->shared_hcd->state != HC_STATE_SUSPENDED) |
Andiry Xu | 5535b1d | 2010-10-14 07:23:06 -0700 | [diff] [blame] | 290 | return -EINVAL; |
| 291 | |
| 292 | retval = xhci_suspend(xhci); |
| 293 | |
| 294 | return retval; |
| 295 | } |
| 296 | |
| 297 | static int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated) |
| 298 | { |
| 299 | struct xhci_hcd *xhci = hcd_to_xhci(hcd); |
Sarah Sharp | 69e848c | 2011-02-22 09:57:15 -0800 | [diff] [blame] | 300 | struct pci_dev *pdev = to_pci_dev(hcd->self.controller); |
Andiry Xu | 5535b1d | 2010-10-14 07:23:06 -0700 | [diff] [blame] | 301 | int retval = 0; |
| 302 | |
Sarah Sharp | 69e848c | 2011-02-22 09:57:15 -0800 | [diff] [blame] | 303 | /* The BIOS on systems with the Intel Panther Point chipset may or may |
| 304 | * not support xHCI natively. That means that during system resume, it |
| 305 | * may switch the ports back to EHCI so that users can use their |
| 306 | * keyboard to select a kernel from GRUB after resume from hibernate. |
| 307 | * |
| 308 | * The BIOS is supposed to remember whether the OS had xHCI ports |
| 309 | * enabled before resume, and switch the ports back to xHCI when the |
| 310 | * BIOS/OS semaphore is written, but we all know we can't trust BIOS |
| 311 | * writers. |
| 312 | * |
| 313 | * Unconditionally switch the ports back to xHCI after a system resume. |
| 314 | * We can't tell whether the EHCI or xHCI controller will be resumed |
| 315 | * first, so we have to do the port switchover in both drivers. Writing |
| 316 | * a '1' to the port switchover registers should have no effect if the |
| 317 | * port was already switched over. |
| 318 | */ |
| 319 | if (usb_is_intel_switchable_xhci(pdev)) |
| 320 | usb_enable_xhci_ports(pdev); |
| 321 | |
Andiry Xu | 5535b1d | 2010-10-14 07:23:06 -0700 | [diff] [blame] | 322 | retval = xhci_resume(xhci, hibernated); |
| 323 | return retval; |
| 324 | } |
| 325 | #endif /* CONFIG_PM */ |
| 326 | |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 327 | static const struct hc_driver xhci_pci_hc_driver = { |
| 328 | .description = hcd_name, |
| 329 | .product_desc = "xHCI Host Controller", |
Sarah Sharp | b02d0ed | 2010-10-26 11:03:44 -0700 | [diff] [blame] | 330 | .hcd_priv_size = sizeof(struct xhci_hcd *), |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 331 | |
| 332 | /* |
| 333 | * generic hardware linkage |
| 334 | */ |
Sarah Sharp | 7f84eef | 2009-04-27 19:53:56 -0700 | [diff] [blame] | 335 | .irq = xhci_irq, |
Sarah Sharp | f6ff0ac | 2010-12-16 11:21:10 -0800 | [diff] [blame] | 336 | .flags = HCD_MEMORY | HCD_USB3 | HCD_SHARED, |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 337 | |
| 338 | /* |
| 339 | * basic lifecycle operations |
| 340 | */ |
| 341 | .reset = xhci_pci_setup, |
| 342 | .start = xhci_run, |
Andiry Xu | 5535b1d | 2010-10-14 07:23:06 -0700 | [diff] [blame] | 343 | #ifdef CONFIG_PM |
| 344 | .pci_suspend = xhci_pci_suspend, |
| 345 | .pci_resume = xhci_pci_resume, |
| 346 | #endif |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 347 | .stop = xhci_stop, |
| 348 | .shutdown = xhci_shutdown, |
| 349 | |
| 350 | /* |
Sarah Sharp | 3ffbba9 | 2009-04-27 19:57:38 -0700 | [diff] [blame] | 351 | * managing i/o requests and associated device resources |
| 352 | */ |
Sarah Sharp | d0e96f5 | 2009-04-27 19:58:01 -0700 | [diff] [blame] | 353 | .urb_enqueue = xhci_urb_enqueue, |
| 354 | .urb_dequeue = xhci_urb_dequeue, |
Sarah Sharp | 3ffbba9 | 2009-04-27 19:57:38 -0700 | [diff] [blame] | 355 | .alloc_dev = xhci_alloc_dev, |
| 356 | .free_dev = xhci_free_dev, |
Sarah Sharp | eab1caf | 2010-04-05 10:55:58 -0700 | [diff] [blame] | 357 | .alloc_streams = xhci_alloc_streams, |
| 358 | .free_streams = xhci_free_streams, |
Sarah Sharp | f94e0186 | 2009-04-27 19:58:38 -0700 | [diff] [blame] | 359 | .add_endpoint = xhci_add_endpoint, |
| 360 | .drop_endpoint = xhci_drop_endpoint, |
Sarah Sharp | a1587d9 | 2009-07-27 12:03:15 -0700 | [diff] [blame] | 361 | .endpoint_reset = xhci_endpoint_reset, |
Sarah Sharp | f94e0186 | 2009-04-27 19:58:38 -0700 | [diff] [blame] | 362 | .check_bandwidth = xhci_check_bandwidth, |
| 363 | .reset_bandwidth = xhci_reset_bandwidth, |
Sarah Sharp | 3ffbba9 | 2009-04-27 19:57:38 -0700 | [diff] [blame] | 364 | .address_device = xhci_address_device, |
Sarah Sharp | b356b7c | 2009-09-04 10:53:24 -0700 | [diff] [blame] | 365 | .update_hub_device = xhci_update_hub_device, |
Andiry Xu | f0615c4 | 2010-10-14 07:22:48 -0700 | [diff] [blame] | 366 | .reset_device = xhci_discover_or_reset_device, |
Sarah Sharp | 3ffbba9 | 2009-04-27 19:57:38 -0700 | [diff] [blame] | 367 | |
| 368 | /* |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 369 | * scheduling support |
| 370 | */ |
| 371 | .get_frame_number = xhci_get_frame, |
| 372 | |
Sarah Sharp | 0f2a793 | 2009-04-27 19:57:12 -0700 | [diff] [blame] | 373 | /* Root hub support */ |
| 374 | .hub_control = xhci_hub_control, |
| 375 | .hub_status_data = xhci_hub_status_data, |
Andiry Xu | 9777e3c | 2010-10-14 07:23:03 -0700 | [diff] [blame] | 376 | .bus_suspend = xhci_bus_suspend, |
| 377 | .bus_resume = xhci_bus_resume, |
Andiry Xu | 9574323 | 2011-09-23 14:19:51 -0700 | [diff] [blame] | 378 | /* |
| 379 | * call back when device connected and addressed |
| 380 | */ |
| 381 | .update_device = xhci_update_device, |
Andiry Xu | 65580b43 | 2011-09-23 14:19:52 -0700 | [diff] [blame] | 382 | .set_usb2_hw_lpm = xhci_set_usb2_hardware_lpm, |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 383 | }; |
| 384 | |
| 385 | /*-------------------------------------------------------------------------*/ |
| 386 | |
| 387 | /* PCI driver selection metadata; PCI hotplugging uses this */ |
| 388 | static const struct pci_device_id pci_ids[] = { { |
| 389 | /* handle any USB 3.0 xHCI controller */ |
| 390 | PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_USB_XHCI, ~0), |
| 391 | .driver_data = (unsigned long) &xhci_pci_hc_driver, |
| 392 | }, |
| 393 | { /* end: all zeroes */ } |
| 394 | }; |
| 395 | MODULE_DEVICE_TABLE(pci, pci_ids); |
| 396 | |
| 397 | /* pci driver glue; this is a "new style" PCI driver module */ |
| 398 | static struct pci_driver xhci_pci_driver = { |
| 399 | .name = (char *) hcd_name, |
| 400 | .id_table = pci_ids, |
| 401 | |
Sarah Sharp | f6ff0ac | 2010-12-16 11:21:10 -0800 | [diff] [blame] | 402 | .probe = xhci_pci_probe, |
Sarah Sharp | b02d0ed | 2010-10-26 11:03:44 -0700 | [diff] [blame] | 403 | .remove = xhci_pci_remove, |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 404 | /* suspend and resume implemented later */ |
| 405 | |
| 406 | .shutdown = usb_hcd_pci_shutdown, |
Andiry Xu | 5535b1d | 2010-10-14 07:23:06 -0700 | [diff] [blame] | 407 | #ifdef CONFIG_PM_SLEEP |
| 408 | .driver = { |
| 409 | .pm = &usb_hcd_pci_pm_ops |
| 410 | }, |
| 411 | #endif |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 412 | }; |
| 413 | |
Randy Dunlap | 326b481 | 2010-04-19 08:53:50 -0700 | [diff] [blame] | 414 | int xhci_register_pci(void) |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 415 | { |
| 416 | return pci_register_driver(&xhci_pci_driver); |
| 417 | } |
| 418 | |
Randy Dunlap | 326b481 | 2010-04-19 08:53:50 -0700 | [diff] [blame] | 419 | void xhci_unregister_pci(void) |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 420 | { |
| 421 | pci_unregister_driver(&xhci_pci_driver); |
| 422 | } |