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authorLi Jun <b47624@freescale.com>2014-05-17 03:15:34 +0800
committerLi Jun <B47624@freescale.com>2014-06-26 16:50:06 +0800
commit1cdff41f78377a5c318013f7baa9c56880a56595 (patch)
tree40748e1b30c8d0cd2fb6538b835592e9cdbfee10 /include
parente4f6fd0ec67b34ca9ed40dfd009e75c66fb71d94 (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 1deea98838b2..d4bf33b1ad6f 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,
@@ -240,6 +248,7 @@ 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 */