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 | |
| 54 | /* called during probe() after chip reset completes */ |
| 55 | static int xhci_pci_setup(struct usb_hcd *hcd) |
| 56 | { |
Sarah Sharp | f6ff0ac | 2010-12-16 11:21:10 -0800 | [diff] [blame] | 57 | struct xhci_hcd *xhci; |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 58 | struct pci_dev *pdev = to_pci_dev(hcd->self.controller); |
| 59 | int retval; |
Sarah Sharp | 006d582 | 2010-07-29 22:13:22 -0700 | [diff] [blame] | 60 | u32 temp; |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 61 | |
Sarah Sharp | bc88d2e | 2010-05-18 16:05:21 -0700 | [diff] [blame] | 62 | hcd->self.sg_tablesize = TRBS_PER_SEGMENT - 2; |
David Vrabel | 4c1bd3d | 2009-08-24 14:44:30 +0100 | [diff] [blame] | 63 | |
Sarah Sharp | f6ff0ac | 2010-12-16 11:21:10 -0800 | [diff] [blame] | 64 | if (usb_hcd_is_primary_hcd(hcd)) { |
| 65 | xhci = kzalloc(sizeof(struct xhci_hcd), GFP_KERNEL); |
| 66 | if (!xhci) |
| 67 | return -ENOMEM; |
| 68 | *((struct xhci_hcd **) hcd->hcd_priv) = xhci; |
| 69 | xhci->main_hcd = hcd; |
| 70 | /* Mark the first roothub as being USB 2.0. |
| 71 | * The xHCI driver will register the USB 3.0 roothub. |
| 72 | */ |
| 73 | hcd->speed = HCD_USB2; |
| 74 | hcd->self.root_hub->speed = USB_SPEED_HIGH; |
| 75 | /* |
| 76 | * USB 2.0 roothub under xHCI has an integrated TT, |
| 77 | * (rate matching hub) as opposed to having an OHCI/UHCI |
| 78 | * companion controller. |
| 79 | */ |
| 80 | hcd->has_tt = 1; |
| 81 | } else { |
| 82 | /* xHCI private pointer was set in xhci_pci_probe for the second |
| 83 | * registered roothub. |
| 84 | */ |
| 85 | xhci = hcd_to_xhci(hcd); |
| 86 | temp = xhci_readl(xhci, &xhci->cap_regs->hcc_params); |
| 87 | if (HCC_64BIT_ADDR(temp)) { |
| 88 | xhci_dbg(xhci, "Enabling 64-bit DMA addresses.\n"); |
| 89 | dma_set_mask(hcd->self.controller, DMA_BIT_MASK(64)); |
| 90 | } else { |
| 91 | dma_set_mask(hcd->self.controller, DMA_BIT_MASK(32)); |
| 92 | } |
| 93 | return 0; |
| 94 | } |
Sarah Sharp | b02d0ed | 2010-10-26 11:03:44 -0700 | [diff] [blame] | 95 | |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 96 | xhci->cap_regs = hcd->regs; |
| 97 | xhci->op_regs = hcd->regs + |
| 98 | HC_LENGTH(xhci_readl(xhci, &xhci->cap_regs->hc_capbase)); |
| 99 | xhci->run_regs = hcd->regs + |
| 100 | (xhci_readl(xhci, &xhci->cap_regs->run_regs_off) & RTSOFF_MASK); |
| 101 | /* Cache read-only capability registers */ |
| 102 | xhci->hcs_params1 = xhci_readl(xhci, &xhci->cap_regs->hcs_params1); |
| 103 | xhci->hcs_params2 = xhci_readl(xhci, &xhci->cap_regs->hcs_params2); |
| 104 | xhci->hcs_params3 = xhci_readl(xhci, &xhci->cap_regs->hcs_params3); |
Sarah Sharp | ac1c1b7 | 2009-09-04 10:53:20 -0700 | [diff] [blame] | 105 | xhci->hcc_params = xhci_readl(xhci, &xhci->cap_regs->hc_capbase); |
| 106 | xhci->hci_version = HC_VERSION(xhci->hcc_params); |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 107 | xhci->hcc_params = xhci_readl(xhci, &xhci->cap_regs->hcc_params); |
| 108 | xhci_print_registers(xhci); |
| 109 | |
Sarah Sharp | ac9d8fe | 2009-08-07 14:04:55 -0700 | [diff] [blame] | 110 | /* Look for vendor-specific quirks */ |
| 111 | if (pdev->vendor == PCI_VENDOR_ID_FRESCO_LOGIC && |
Sarah Sharp | f5182b4 | 2011-06-02 11:33:02 -0700 | [diff] [blame] | 112 | pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_PDK) { |
| 113 | if (pdev->revision == 0x0) { |
Sarah Sharp | ac9d8fe | 2009-08-07 14:04:55 -0700 | [diff] [blame] | 114 | xhci->quirks |= XHCI_RESET_EP_QUIRK; |
| 115 | xhci_dbg(xhci, "QUIRK: Fresco Logic xHC needs configure" |
| 116 | " endpoint cmd after reset endpoint\n"); |
Sarah Sharp | f5182b4 | 2011-06-02 11:33:02 -0700 | [diff] [blame] | 117 | } |
| 118 | /* Fresco Logic confirms: all revisions of this chip do not |
| 119 | * support MSI, even though some of them claim to in their PCI |
| 120 | * capabilities. |
| 121 | */ |
| 122 | xhci->quirks |= XHCI_BROKEN_MSI; |
| 123 | xhci_dbg(xhci, "QUIRK: Fresco Logic revision %u " |
| 124 | "has broken MSI implementation\n", |
| 125 | pdev->revision); |
Sarah Sharp | ac9d8fe | 2009-08-07 14:04:55 -0700 | [diff] [blame] | 126 | } |
Sarah Sharp | f5182b4 | 2011-06-02 11:33:02 -0700 | [diff] [blame] | 127 | |
Sarah Sharp | 0238634 | 2010-05-24 13:25:28 -0700 | [diff] [blame] | 128 | if (pdev->vendor == PCI_VENDOR_ID_NEC) |
| 129 | xhci->quirks |= XHCI_NEC_HOST; |
Sarah Sharp | ac9d8fe | 2009-08-07 14:04:55 -0700 | [diff] [blame] | 130 | |
Andiry Xu | c41136b | 2011-03-22 17:08:14 +0800 | [diff] [blame] | 131 | /* AMD PLL quirk */ |
| 132 | if (pdev->vendor == PCI_VENDOR_ID_AMD && usb_amd_find_chipset_info()) |
| 133 | xhci->quirks |= XHCI_AMD_PLL_FIX; |
Sarah Sharp | ad80833 | 2011-05-25 10:43:56 -0700 | [diff] [blame] | 134 | if (pdev->vendor == PCI_VENDOR_ID_INTEL && |
| 135 | pdev->device == PCI_DEVICE_ID_INTEL_PANTHERPOINT_XHCI) { |
| 136 | xhci->quirks |= XHCI_SPURIOUS_SUCCESS; |
Sarah Sharp | 2cf95c1 | 2011-05-11 16:14:58 -0700 | [diff] [blame] | 137 | xhci->quirks |= XHCI_EP_LIMIT_QUIRK; |
| 138 | xhci->limit_active_eps = 64; |
Sarah Sharp | ad80833 | 2011-05-25 10:43:56 -0700 | [diff] [blame] | 139 | } |
Maarten Lankhorst | c877b3b | 2011-06-15 23:47:21 +0200 | [diff] [blame] | 140 | if (pdev->vendor == PCI_VENDOR_ID_ETRON && |
| 141 | pdev->device == PCI_DEVICE_ID_ASROCK_P67) { |
| 142 | xhci->quirks |= XHCI_RESET_ON_RESUME; |
| 143 | xhci_dbg(xhci, "QUIRK: Resetting on resume\n"); |
| 144 | } |
Andiry Xu | c41136b | 2011-03-22 17:08:14 +0800 | [diff] [blame] | 145 | |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 146 | /* Make sure the HC is halted. */ |
| 147 | retval = xhci_halt(xhci); |
| 148 | if (retval) |
Sarah Sharp | b02d0ed | 2010-10-26 11:03:44 -0700 | [diff] [blame] | 149 | goto error; |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 150 | |
| 151 | xhci_dbg(xhci, "Resetting HCD\n"); |
| 152 | /* Reset the internal HC memory state and registers. */ |
| 153 | retval = xhci_reset(xhci); |
| 154 | if (retval) |
Sarah Sharp | b02d0ed | 2010-10-26 11:03:44 -0700 | [diff] [blame] | 155 | goto error; |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 156 | xhci_dbg(xhci, "Reset complete\n"); |
| 157 | |
Sarah Sharp | 006d582 | 2010-07-29 22:13:22 -0700 | [diff] [blame] | 158 | temp = xhci_readl(xhci, &xhci->cap_regs->hcc_params); |
| 159 | if (HCC_64BIT_ADDR(temp)) { |
| 160 | xhci_dbg(xhci, "Enabling 64-bit DMA addresses.\n"); |
| 161 | dma_set_mask(hcd->self.controller, DMA_BIT_MASK(64)); |
| 162 | } else { |
| 163 | dma_set_mask(hcd->self.controller, DMA_BIT_MASK(32)); |
| 164 | } |
| 165 | |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 166 | xhci_dbg(xhci, "Calling HCD init\n"); |
| 167 | /* Initialize HCD and host controller data structures. */ |
| 168 | retval = xhci_init(hcd); |
| 169 | if (retval) |
Sarah Sharp | b02d0ed | 2010-10-26 11:03:44 -0700 | [diff] [blame] | 170 | goto error; |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 171 | xhci_dbg(xhci, "Called HCD init\n"); |
| 172 | |
| 173 | pci_read_config_byte(pdev, XHCI_SBRN_OFFSET, &xhci->sbrn); |
| 174 | xhci_dbg(xhci, "Got SBRN %u\n", (unsigned int) xhci->sbrn); |
| 175 | |
| 176 | /* Find any debug ports */ |
Sarah Sharp | b02d0ed | 2010-10-26 11:03:44 -0700 | [diff] [blame] | 177 | retval = xhci_pci_reinit(xhci, pdev); |
| 178 | if (!retval) |
| 179 | return retval; |
| 180 | |
| 181 | error: |
| 182 | kfree(xhci); |
| 183 | return retval; |
| 184 | } |
| 185 | |
Sarah Sharp | f6ff0ac | 2010-12-16 11:21:10 -0800 | [diff] [blame] | 186 | /* |
| 187 | * We need to register our own PCI probe function (instead of the USB core's |
| 188 | * function) in order to create a second roothub under xHCI. |
| 189 | */ |
| 190 | static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) |
| 191 | { |
| 192 | int retval; |
| 193 | struct xhci_hcd *xhci; |
| 194 | struct hc_driver *driver; |
| 195 | struct usb_hcd *hcd; |
| 196 | |
| 197 | driver = (struct hc_driver *)id->driver_data; |
| 198 | /* Register the USB 2.0 roothub. |
| 199 | * FIXME: USB core must know to register the USB 2.0 roothub first. |
| 200 | * This is sort of silly, because we could just set the HCD driver flags |
| 201 | * to say USB 2.0, but I'm not sure what the implications would be in |
| 202 | * the other parts of the HCD code. |
| 203 | */ |
| 204 | retval = usb_hcd_pci_probe(dev, id); |
| 205 | |
| 206 | if (retval) |
| 207 | return retval; |
| 208 | |
| 209 | /* USB 2.0 roothub is stored in the PCI device now. */ |
| 210 | hcd = dev_get_drvdata(&dev->dev); |
| 211 | xhci = hcd_to_xhci(hcd); |
| 212 | xhci->shared_hcd = usb_create_shared_hcd(driver, &dev->dev, |
| 213 | pci_name(dev), hcd); |
| 214 | if (!xhci->shared_hcd) { |
| 215 | retval = -ENOMEM; |
| 216 | goto dealloc_usb2_hcd; |
| 217 | } |
| 218 | |
| 219 | /* Set the xHCI pointer before xhci_pci_setup() (aka hcd_driver.reset) |
| 220 | * is called by usb_add_hcd(). |
| 221 | */ |
| 222 | *((struct xhci_hcd **) xhci->shared_hcd->hcd_priv) = xhci; |
| 223 | |
| 224 | retval = usb_add_hcd(xhci->shared_hcd, dev->irq, |
| 225 | IRQF_DISABLED | IRQF_SHARED); |
| 226 | if (retval) |
| 227 | goto put_usb3_hcd; |
| 228 | /* Roothub already marked as USB 3.0 speed */ |
| 229 | return 0; |
| 230 | |
| 231 | put_usb3_hcd: |
| 232 | usb_put_hcd(xhci->shared_hcd); |
| 233 | dealloc_usb2_hcd: |
| 234 | usb_hcd_pci_remove(dev); |
| 235 | return retval; |
| 236 | } |
| 237 | |
Sarah Sharp | b02d0ed | 2010-10-26 11:03:44 -0700 | [diff] [blame] | 238 | static void xhci_pci_remove(struct pci_dev *dev) |
| 239 | { |
| 240 | struct xhci_hcd *xhci; |
| 241 | |
| 242 | xhci = hcd_to_xhci(pci_get_drvdata(dev)); |
Sarah Sharp | f6ff0ac | 2010-12-16 11:21:10 -0800 | [diff] [blame] | 243 | if (xhci->shared_hcd) { |
| 244 | usb_remove_hcd(xhci->shared_hcd); |
| 245 | usb_put_hcd(xhci->shared_hcd); |
| 246 | } |
Sarah Sharp | b02d0ed | 2010-10-26 11:03:44 -0700 | [diff] [blame] | 247 | usb_hcd_pci_remove(dev); |
| 248 | kfree(xhci); |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 249 | } |
| 250 | |
Andiry Xu | 5535b1d | 2010-10-14 07:23:06 -0700 | [diff] [blame] | 251 | #ifdef CONFIG_PM |
| 252 | static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup) |
| 253 | { |
| 254 | struct xhci_hcd *xhci = hcd_to_xhci(hcd); |
| 255 | int retval = 0; |
| 256 | |
Sarah Sharp | b320937 | 2011-03-07 11:24:07 -0800 | [diff] [blame] | 257 | if (hcd->state != HC_STATE_SUSPENDED || |
| 258 | xhci->shared_hcd->state != HC_STATE_SUSPENDED) |
Andiry Xu | 5535b1d | 2010-10-14 07:23:06 -0700 | [diff] [blame] | 259 | return -EINVAL; |
| 260 | |
| 261 | retval = xhci_suspend(xhci); |
| 262 | |
| 263 | return retval; |
| 264 | } |
| 265 | |
| 266 | static int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated) |
| 267 | { |
| 268 | struct xhci_hcd *xhci = hcd_to_xhci(hcd); |
Sarah Sharp | 69e848c | 2011-02-22 09:57:15 -0800 | [diff] [blame] | 269 | struct pci_dev *pdev = to_pci_dev(hcd->self.controller); |
Andiry Xu | 5535b1d | 2010-10-14 07:23:06 -0700 | [diff] [blame] | 270 | int retval = 0; |
| 271 | |
Sarah Sharp | 69e848c | 2011-02-22 09:57:15 -0800 | [diff] [blame] | 272 | /* The BIOS on systems with the Intel Panther Point chipset may or may |
| 273 | * not support xHCI natively. That means that during system resume, it |
| 274 | * may switch the ports back to EHCI so that users can use their |
| 275 | * keyboard to select a kernel from GRUB after resume from hibernate. |
| 276 | * |
| 277 | * The BIOS is supposed to remember whether the OS had xHCI ports |
| 278 | * enabled before resume, and switch the ports back to xHCI when the |
| 279 | * BIOS/OS semaphore is written, but we all know we can't trust BIOS |
| 280 | * writers. |
| 281 | * |
| 282 | * Unconditionally switch the ports back to xHCI after a system resume. |
| 283 | * We can't tell whether the EHCI or xHCI controller will be resumed |
| 284 | * first, so we have to do the port switchover in both drivers. Writing |
| 285 | * a '1' to the port switchover registers should have no effect if the |
| 286 | * port was already switched over. |
| 287 | */ |
| 288 | if (usb_is_intel_switchable_xhci(pdev)) |
| 289 | usb_enable_xhci_ports(pdev); |
| 290 | |
Andiry Xu | 5535b1d | 2010-10-14 07:23:06 -0700 | [diff] [blame] | 291 | retval = xhci_resume(xhci, hibernated); |
| 292 | return retval; |
| 293 | } |
| 294 | #endif /* CONFIG_PM */ |
| 295 | |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 296 | static const struct hc_driver xhci_pci_hc_driver = { |
| 297 | .description = hcd_name, |
| 298 | .product_desc = "xHCI Host Controller", |
Sarah Sharp | b02d0ed | 2010-10-26 11:03:44 -0700 | [diff] [blame] | 299 | .hcd_priv_size = sizeof(struct xhci_hcd *), |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 300 | |
| 301 | /* |
| 302 | * generic hardware linkage |
| 303 | */ |
Sarah Sharp | 7f84eef | 2009-04-27 19:53:56 -0700 | [diff] [blame] | 304 | .irq = xhci_irq, |
Sarah Sharp | f6ff0ac | 2010-12-16 11:21:10 -0800 | [diff] [blame] | 305 | .flags = HCD_MEMORY | HCD_USB3 | HCD_SHARED, |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 306 | |
| 307 | /* |
| 308 | * basic lifecycle operations |
| 309 | */ |
| 310 | .reset = xhci_pci_setup, |
| 311 | .start = xhci_run, |
Andiry Xu | 5535b1d | 2010-10-14 07:23:06 -0700 | [diff] [blame] | 312 | #ifdef CONFIG_PM |
| 313 | .pci_suspend = xhci_pci_suspend, |
| 314 | .pci_resume = xhci_pci_resume, |
| 315 | #endif |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 316 | .stop = xhci_stop, |
| 317 | .shutdown = xhci_shutdown, |
| 318 | |
| 319 | /* |
Sarah Sharp | 3ffbba9 | 2009-04-27 19:57:38 -0700 | [diff] [blame] | 320 | * managing i/o requests and associated device resources |
| 321 | */ |
Sarah Sharp | d0e96f5a | 2009-04-27 19:58:01 -0700 | [diff] [blame] | 322 | .urb_enqueue = xhci_urb_enqueue, |
| 323 | .urb_dequeue = xhci_urb_dequeue, |
Sarah Sharp | 3ffbba9 | 2009-04-27 19:57:38 -0700 | [diff] [blame] | 324 | .alloc_dev = xhci_alloc_dev, |
| 325 | .free_dev = xhci_free_dev, |
Sarah Sharp | eab1caf | 2010-04-05 10:55:58 -0700 | [diff] [blame] | 326 | .alloc_streams = xhci_alloc_streams, |
| 327 | .free_streams = xhci_free_streams, |
Sarah Sharp | f94e0186 | 2009-04-27 19:58:38 -0700 | [diff] [blame] | 328 | .add_endpoint = xhci_add_endpoint, |
| 329 | .drop_endpoint = xhci_drop_endpoint, |
Sarah Sharp | a1587d9 | 2009-07-27 12:03:15 -0700 | [diff] [blame] | 330 | .endpoint_reset = xhci_endpoint_reset, |
Sarah Sharp | f94e0186 | 2009-04-27 19:58:38 -0700 | [diff] [blame] | 331 | .check_bandwidth = xhci_check_bandwidth, |
| 332 | .reset_bandwidth = xhci_reset_bandwidth, |
Sarah Sharp | 3ffbba9 | 2009-04-27 19:57:38 -0700 | [diff] [blame] | 333 | .address_device = xhci_address_device, |
Sarah Sharp | b356b7c | 2009-09-04 10:53:24 -0700 | [diff] [blame] | 334 | .update_hub_device = xhci_update_hub_device, |
Andiry Xu | f0615c4 | 2010-10-14 07:22:48 -0700 | [diff] [blame] | 335 | .reset_device = xhci_discover_or_reset_device, |
Sarah Sharp | 3ffbba9 | 2009-04-27 19:57:38 -0700 | [diff] [blame] | 336 | |
| 337 | /* |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 338 | * scheduling support |
| 339 | */ |
| 340 | .get_frame_number = xhci_get_frame, |
| 341 | |
Sarah Sharp | 0f2a793 | 2009-04-27 19:57:12 -0700 | [diff] [blame] | 342 | /* Root hub support */ |
| 343 | .hub_control = xhci_hub_control, |
| 344 | .hub_status_data = xhci_hub_status_data, |
Andiry Xu | 9777e3c | 2010-10-14 07:23:03 -0700 | [diff] [blame] | 345 | .bus_suspend = xhci_bus_suspend, |
| 346 | .bus_resume = xhci_bus_resume, |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 347 | }; |
| 348 | |
| 349 | /*-------------------------------------------------------------------------*/ |
| 350 | |
| 351 | /* PCI driver selection metadata; PCI hotplugging uses this */ |
| 352 | static const struct pci_device_id pci_ids[] = { { |
| 353 | /* handle any USB 3.0 xHCI controller */ |
| 354 | PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_USB_XHCI, ~0), |
| 355 | .driver_data = (unsigned long) &xhci_pci_hc_driver, |
| 356 | }, |
| 357 | { /* end: all zeroes */ } |
| 358 | }; |
| 359 | MODULE_DEVICE_TABLE(pci, pci_ids); |
| 360 | |
| 361 | /* pci driver glue; this is a "new style" PCI driver module */ |
| 362 | static struct pci_driver xhci_pci_driver = { |
| 363 | .name = (char *) hcd_name, |
| 364 | .id_table = pci_ids, |
| 365 | |
Sarah Sharp | f6ff0ac | 2010-12-16 11:21:10 -0800 | [diff] [blame] | 366 | .probe = xhci_pci_probe, |
Sarah Sharp | b02d0ed | 2010-10-26 11:03:44 -0700 | [diff] [blame] | 367 | .remove = xhci_pci_remove, |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 368 | /* suspend and resume implemented later */ |
| 369 | |
| 370 | .shutdown = usb_hcd_pci_shutdown, |
Andiry Xu | 5535b1d | 2010-10-14 07:23:06 -0700 | [diff] [blame] | 371 | #ifdef CONFIG_PM_SLEEP |
| 372 | .driver = { |
| 373 | .pm = &usb_hcd_pci_pm_ops |
| 374 | }, |
| 375 | #endif |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 376 | }; |
| 377 | |
Randy Dunlap | 326b481 | 2010-04-19 08:53:50 -0700 | [diff] [blame] | 378 | int xhci_register_pci(void) |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 379 | { |
| 380 | return pci_register_driver(&xhci_pci_driver); |
| 381 | } |
| 382 | |
Randy Dunlap | 326b481 | 2010-04-19 08:53:50 -0700 | [diff] [blame] | 383 | void xhci_unregister_pci(void) |
Sarah Sharp | 66d4ead | 2009-04-27 19:52:28 -0700 | [diff] [blame] | 384 | { |
| 385 | pci_unregister_driver(&xhci_pci_driver); |
| 386 | } |