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authorLi Jun <b47624@freescale.com>2014-05-17 03:15:34 +0800
committerLi Jun <jun.li@freescale.com>2015-01-21 22:11:11 +0800
commit3a4d19586165d19975001caeb8697381379f666b (patch)
tree1edb7de5304e8309b92cb347d51cc06842ebe94e /include
parentbb64937134ae6665d0f56d8b5f4266f82a7e5e6d (diff)
ENGR00319720-3 usb: common: otg-fsm: add HNP polling request sending funciton
This patch adds OTG status selector request sending function, can be used to poll peripheral if it wants to be host. Signed-off-by: Li Jun <b47624@freescale.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/usb/otg-fsm.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/usb/otg-fsm.h b/include/linux/usb/otg-fsm.h
index 3d39d5195cc9..92ce7595b4d7 100644
--- a/include/linux/usb/otg-fsm.h
+++ b/include/linux/usb/otg-fsm.h
@@ -40,6 +40,14 @@
#define PROTO_HOST (1)
#define PROTO_GADGET (2)
+#define OTG_STS_SELECTOR 0xF000 /* OTG status selector, according to
+ * OTG and EH 2.0 Charpter 6.2.3
+ * Table:6-4
+ */
+#define HOST_REQUEST_FLAG 1 /* Host request flag, according to
+ * OTG and EH 2.0 Charpter 6.2.3
+ * Table:6-5
+ */
enum otg_fsm_timer {
/* Standard OTG timers */
A_WAIT_VRISE,
@@ -241,6 +249,7 @@ static inline int otg_start_gadget(struct otg_fsm *fsm, int on)
return fsm->ops->start_gadget(fsm, on);
}
+int otg_hnp_polling(struct otg_fsm *fsm);
int otg_statemachine(struct otg_fsm *fsm);
#endif /* __LINUX_USB_OTG_FSM_H */