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authorYunzhi Li <lyz@rock-chips.com>2015-07-02 15:28:11 +0800
committerPatrick Georgi <pgeorgi@google.com>2015-07-16 22:39:59 +0200
commitebd3da7dba7d72b0d7a4fa50ffbad61259562447 (patch)
tree715a8a4873f22173fad0c73cbf311d3ca1081a96 /payloads/libpayload/include/usb/usb.h
parentae3d71a4d10b28bb5da1b3399358988acdcf1ace (diff)
libpayload: usb: dwc2: support split transaction
With split transaction, dwc2 host controller can handle full- and low-speed devices on hub in high-speed mode. This commit adds support for split control and interrupt transfers BUG=None TEST=Connect usb keyboard through hub, usb keyboard can work BRANCH=None Change-Id: If7a00db21c8ad4c635f39581382b877603075d1a Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 4fb514b7f7f7e414fa94bfce05420957b1c57019 Original-Change-Id: I07e64064c6182d33905ae4efb13712645de7cf93 Original-Signed-off-by: Yunzhi Li <lyz@rock-chips.com> Original-Reviewed-on: https://chromium-review.googlesource.com/283282 Original-Tested-by: Lin Huang <hl@rock-chips.com> Original-Commit-Queue: Lin Huang <hl@rock-chips.com> Original-Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-on: http://review.coreboot.org/10956 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'payloads/libpayload/include/usb/usb.h')
-rw-r--r--payloads/libpayload/include/usb/usb.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/payloads/libpayload/include/usb/usb.h b/payloads/libpayload/include/usb/usb.h
index df507db6ea..cf52a4aece 100644
--- a/payloads/libpayload/include/usb/usb.h
+++ b/payloads/libpayload/include/usb/usb.h
@@ -277,6 +277,8 @@ void usb_hid_init (usbdev_t *dev);
void usb_msc_init (usbdev_t *dev);
void usb_generic_init (usbdev_t *dev);
+int closest_usb2_hub(const usbdev_t *dev, int *const addr, int *const port);
+
static inline unsigned char
gen_bmRequestType (dev_req_dir dir, dev_req_type type, dev_req_recp recp)
{