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path: root/drivers/usb/chipidea/ci.h
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Diffstat (limited to 'drivers/usb/chipidea/ci.h')
-rw-r--r--drivers/usb/chipidea/ci.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h
index e206406ae1d9..9563cb56d564 100644
--- a/drivers/usb/chipidea/ci.h
+++ b/drivers/usb/chipidea/ci.h
@@ -17,6 +17,7 @@
#include <linux/irqreturn.h>
#include <linux/usb.h>
#include <linux/usb/gadget.h>
+#include <linux/usb/otg-fsm.h>
/******************************************************************************
* DEFINE
@@ -139,6 +140,8 @@ struct hw_bank {
* @roles: array of supported roles for this controller
* @role: current role
* @is_otg: if the device is otg-capable
+ * @fsm: otg finite state machine
+ * @fsm_timer: pointer to timer list of otg fsm
* @work: work for role changing
* @wq: workqueue thread
* @qh_pool: allocation pool for queue heads
@@ -174,6 +177,8 @@ struct ci_hdrc {
struct ci_role_driver *roles[CI_ROLE_END];
enum ci_role role;
bool is_otg;
+ struct otg_fsm fsm;
+ struct ci_otg_fsm_timer_list *fsm_timer;
struct work_struct work;
struct workqueue_struct *wq;
@@ -319,6 +324,24 @@ static inline u32 hw_test_and_write(struct ci_hdrc *ci, enum ci_hw_regs reg,
return (val & mask) >> __ffs(mask);
}
+/**
+ * ci_otg_is_fsm_mode: runtime check if otg controller
+ * is in otg fsm mode.
+ */
+static inline bool ci_otg_is_fsm_mode(struct ci_hdrc *ci)
+{
+#ifdef CONFIG_USB_OTG_FSM
+ return ci->is_otg && ci->roles[CI_ROLE_HOST] &&
+ ci->roles[CI_ROLE_GADGET];
+#else
+ return false;
+#endif
+}
+
+u32 hw_read_intr_enable(struct ci_hdrc *ci);
+
+u32 hw_read_intr_status(struct ci_hdrc *ci);
+
int hw_device_reset(struct ci_hdrc *ci, u32 mode);
int hw_port_test_set(struct ci_hdrc *ci, u8 mode);