static void xhci_hub_descriptor(struct xhci_hcd *xhci,
struct usb_hub_descriptor *desc)
{
int ports;
u16 temp;
ports = HCS_MAX_PORTS(xhci->hcs_params1);
/* USB 3.0 hubs have a different descriptor, but we fake this for now */
desc->bDescriptorType = 0x29;
desc->bPwrOn2PwrGood = 10; /* xhci section 5.4.9 says 20ms max */
desc->bHubContrCurrent = 0;
desc->bNbrPorts = ports;
temp = 1 + (ports / 8);
desc->bDescLength = 7 + 2 * temp;
/* Why does core/hcd.h define bitmap? It's just confusing. */
memset(&desc->DeviceRemovable[0], 0, temp);
memset(&desc->DeviceRemovable[temp], 0xff, temp);
/* Using table 11-13 in USB 2.0 spec. */
temp = 0;
/* Bits 1:0 - support port power switching, or power always on */
if (HCC_PPC(xhci->hcc_params))
temp |= 0x0001;
else
temp |= 0x0002;
/* Bit 2 - root hubs are not part of a compound device */
/* Bits 4:3 - individual port over current protection */
temp |= 0x0008;
/* Bits 6:5 - no TTs in root ports */
/* Bit 7 - no port indicators */
desc->wHubCharacteristics = (__force __u16) cpu_to_le16(temp);
}
static void xhci_common_hub_descriptor(struct xhci_hcd *xhci,
struct usb_hub_descriptor *desc, int ports)
{
u16 temp;
desc->bPwrOn2PwrGood = 10; /* xhci section 5.4.9 says 20ms max */
desc->bHubContrCurrent = 0;
desc->bNbrPorts = ports;
/* Ugh, these should be #defines, FIXME */
/* Using table 11-13 in USB 2.0 spec. */
temp = 0;
/* Bits 1:0 - support port power switching, or power always on */
if (HCC_PPC(xhci->hcc_params))
temp |= 0x0001;
else
temp |= 0x0002;
/* Bit 2 - root hubs are not part of a compound device */
/* Bits 4:3 - individual port over current protection */
temp |= 0x0008;
/* Bits 6:5 - no TTs in root ports */
/* Bit 7 - no port indicators */
desc->wHubCharacteristics = cpu_to_le16(temp);
}
static void xhci_common_hub_descriptor(struct xhci_hcd *xhci,
struct usb_hub_descriptor *desc, int ports)
{
u16 temp;
desc->bPwrOn2PwrGood = 10; /* xhci section 5.4.9 says 20ms max */
desc->bHubContrCurrent = 0;
desc->bNbrPorts = ports;
temp = 0;
/* Bits 1:0 - support per-port power switching, or power always on */
if (HCC_PPC(xhci->hcc_params))
temp |= HUB_CHAR_INDV_PORT_LPSM;
else
temp |= HUB_CHAR_NO_LPSM;
/* Bit 2 - root hubs are not part of a compound device */
/* Bits 4:3 - individual port over current protection */
temp |= HUB_CHAR_INDV_PORT_OCPM;
/* Bits 6:5 - no TTs in root ports */
/* Bit 7 - no port indicators */
desc->wHubCharacteristics = cpu_to_le16(temp);
}
