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usb stack "upgrade", fixes issues with timing, host controller reset, new devices discovery, other small things (better to see diff :) ).

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svn path=/trunk/; revision=16644
This commit is contained in:
Aleksey Bragin 2005-07-19 14:11:53 +00:00
parent 1e4f24a1e8
commit 4e94521b41
2 changed files with 33 additions and 27 deletions
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52
reactos/drivers/usb/cromwell/host/ohci-hcd.c
View file

@ -391,20 +391,34 @@ static int ohci_get_frame (struct usb_hcd *hcd)
static int hc_reset (struct ohci_hcd *ohci)
{
u32 temp;
u32 ints;
u32 control;
/* SMM owns the HC? not for long!
* On PA-RISC, PDC can leave IR set incorrectly; ignore it there.
*/
#ifndef __hppa__
if (readl (&ohci->regs->control) & OHCI_CTRL_IR) {
ohci_dbg (ohci, "USB HC TakeOver from BIOS/SMM\n");
/* this timeout is arbitrary. we make it long, so systems
* depending on usb keyboards may be usable even if the
* BIOS/SMM code seems pretty broken.
*/
temp = 500; /* arbitrary: five seconds */
writel (OHCI_INTR_OC, &ohci->regs->intrenable);
writel (OHCI_OCR, &ohci->regs->cmdstatus);
while (readl (&ohci->regs->control) & OHCI_CTRL_IR) {
wait_ms (10);
if (--temp == 0) {
ohci_err (ohci, "USB HC TakeOver failed!\n");
return -1;
}
}
}
#endif
/* Disable HC interrupts */
writel (OHCI_INTR_MIE, &ohci->regs->intrdisable);
// acknowledge all pending interrupts
ints = readl(&ohci->regs->intrstatus);
writel (ints, &ohci->regs->intrstatus);
if (readl (&ohci->regs->control) & OHCI_CTRL_IR) {
// takeover without negotiation - there is noone to negotiate with
control = readl (&ohci->regs->control) & ~OHCI_CTRL_IR;
writel (control, &ohci->regs->control);
}
ohci_dbg (ohci, "USB HC reset_hc %s: ctrl = 0x%x ;\n",
hcd_to_bus (&ohci->hcd)->bus_name,
@ -615,27 +629,17 @@ int ohci_irq (struct usb_hcd *hcd, struct pt_regs *ptregs)
static void ohci_stop (struct usb_hcd *hcd)
{
struct ohci_hcd *ohci = hcd_to_ohci (hcd);
struct ohci_regs *regs = ohci->regs;
int ints;
ohci_dbg (ohci, "stop %s controller%s\n",
hcfs2string (ohci->hc_control & OHCI_CTRL_HCFS),
ohci->disabled ? " (disabled)" : ""
);
ohci_dump (ohci, 1);
//ohci_dump (ohci, 1);
if (!ohci->disabled)
hc_reset (ohci);
// Disable all interrupts
writel (OHCI_INTR_MIE, &regs->intrdisable);
// acknowledge all pending interrupts
ints = readl(&regs->intrstatus);
writel (ints, &regs->intrstatus);
// flush register writes
(void) readl (&ohci->regs->control);
remove_debug_files (ohci);
//remove_debug_files (ohci);
ohci_mem_cleanup (ohci);
if (ohci->hcca) {
pci_free_consistent (ohci->hcd.pdev, sizeof *ohci->hcca,

8
reactos/drivers/usb/cromwell/host/ohci_main.c
View file

@ -131,14 +131,16 @@ InitLinuxWrapper(PDEVICE_OBJECT DeviceObject)
NTSTATUS Status;
POHCI_DEVICE_EXTENSION DeviceExtension = (POHCI_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
// Fill generic linux structs
// Allocate and fill generic linux structs
dev = ExAllocatePoolWithTag(PagedPool, sizeof(struct pci_dev), USB_OHCI_TAG);
init_wrapper(dev);
dev->irq = DeviceExtension->InterruptVector;
dev->dev_ext = (PVOID)DeviceExtension;
dev->dev.dev_ext = (PVOID)DeviceExtension;
dev->slot_name = ExAllocatePoolWithTag(NonPagedPool, 128, USB_OHCI_TAG); // 128 max len for slot name
// Init wrapper
init_wrapper(dev);
strcpy(dev->dev.name, "OpenHCI PCI-USB Controller");
strcpy(dev->slot_name, "OHCD PCI Slot");