static void ehci_msm_start_hnp(struct ehci_hcd *ehci)
{
struct usb_hcd *hcd = ehci_to_hcd(ehci);
struct msmusb_hcd *mhcd = hcd_to_mhcd(hcd);
/* OTG driver handles HNP */
otg_start_hnp(mhcd->xceiv);
}
void start_hnp(struct ehci_hcd *ehci)
{
unsigned long flags;
otg_start_hnp(ehci->transceiver);
local_irq_save(flags);
ehci->transceiver->state = OTG_STATE_A_SUSPEND;
local_irq_restore(flags);
}
static void start_hnp(struct ohci_hcd *ohci)
{
const unsigned port = ohci_to_hcd(ohci)->self.otg_port - 1;
unsigned long flags;
otg_start_hnp(ohci->transceiver);
local_irq_save(flags);
ohci->transceiver->state = OTG_STATE_A_SUSPEND;
writel (RH_PS_PSS, &ohci->regs->roothub.portstatus [port]);
OTG_CTRL_REG &= ~OTG_A_BUSREQ;
local_irq_restore(flags);
}
static void ehci_xusbps_start_hnp(struct ehci_hcd *ehci)
{
const unsigned port = ehci_to_hcd(ehci)->self.otg_port - 1;
unsigned long flags;
u32 portsc;
local_irq_save(flags);
portsc = ehci_readl(ehci, &ehci->regs->port_status[port]);
portsc |= PORT_SUSPEND;
ehci_writel(ehci, portsc, &ehci->regs->port_status[port]);
local_irq_restore(flags);
otg_start_hnp(ehci->transceiver);
}
static void ehci_zynq_start_hnp(struct ehci_hcd *ehci)
{
const unsigned port = ehci_to_hcd(ehci)->self.otg_port - 1;
struct usb_hcd *hcd = ehci_to_hcd(ehci);
unsigned long flags;
u32 portsc;
local_irq_save(flags);
portsc = ehci_readl(ehci, &ehci->regs->port_status[port]);
portsc |= PORT_SUSPEND;
ehci_writel(ehci, portsc, &ehci->regs->port_status[port]);
local_irq_restore(flags);
otg_start_hnp(hcd->usb_phy->otg);
}
static int omap2430_musb_vbus_reset(struct musb *musb)
{
int ret = -1;
dev_info(musb->controller, "%s count=%d\n", __func__,
musb->vbus_reset_count);
if (musb->vbus_reset_count < 0)
goto err;
if (musb->vbus_reset_count < 5) {
if (musb->xceiv->start_hnp) {
ret = otg_start_hnp(musb->xceiv);
musb->vbus_reset_count++;
}
}
err:
return ret;
}
static void start_hnp(struct ohci_hcd *ohci)
{
struct usb_hcd *hcd = ohci_to_hcd(ohci);
const unsigned port = hcd->self.otg_port - 1;
unsigned long flags;
u32 l;
otg_start_hnp(hcd->phy->otg);
local_irq_save(flags);
hcd->phy->state = OTG_STATE_A_SUSPEND;
writel (RH_PS_PSS, &ohci->regs->roothub.portstatus [port]);
l = omap_readl(OTG_CTRL);
l &= ~OTG_A_BUSREQ;
omap_writel(l, OTG_CTRL);
local_irq_restore(flags);
}
