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| author | Mathias Nyman <mathias.nyman@linux.intel.com> | 2015-10-01 18:40:39 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-10-04 10:34:17 +0100 |
| commit | 395f5409ca4336ee6ad461d3e0436bcc2d7c6309 (patch) | |
| tree | d89184f4c1c14c2cdc6ef38ea49e675b8b2a1681 /drivers/usb/host/xhci.h | |
| parent | b50107bb83d027dfd36bb7efb90570559757d6ae (diff) | |
| download | op-kernel-dev-395f5409ca4336ee6ad461d3e0436bcc2d7c6309.zip op-kernel-dev-395f5409ca4336ee6ad461d3e0436bcc2d7c6309.tar.gz | |
xhci: support new USB 3.1 hub request to get extended port status
USB 3.1 adds different types of Get Port Status request.
The Get Extended Port Status request returns 4 additional bytes
after the normal portstatus and portchange words containing
link speed and lane information about a connected enhanced super
speed device
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci.h')
| -rw-r--r-- | drivers/usb/host/xhci.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index e2c76e2..51093df 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -335,6 +335,7 @@ struct xhci_op_regs { #define DEV_SUPERSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_SS) #define DEV_SUPERSPEEDPLUS(p) (((p) & DEV_SPEED_MASK) == XDEV_SSP) #define DEV_SUPERSPEED_ANY(p) (((p) & DEV_SPEED_MASK) >= XDEV_SS) +#define DEV_PORT_SPEED(p) (((p) >> 10) & 0x0f) /* Bits 20:23 in the Slot Context are the speed for the device */ #define SLOT_SPEED_FS (XDEV_FS << 10) @@ -419,6 +420,9 @@ struct xhci_op_regs { #define PORT_L1DS(p) (((p) & 0xff) << 8) #define PORT_HLE (1 << 16) +/* USB3 Protocol PORTLI Port Link Information */ +#define PORT_RX_LANES(p) (((p) >> 16) & 0xf) +#define PORT_TX_LANES(p) (((p) >> 20) & 0xf) /* USB2 Protocol PORTHLPMC */ #define PORT_HIRDM(p)((p) & 3) |
