usb: chipidea: add OTG fsm operation functions implementation

Add OTG HNP and SRP operation functions implementation:
- charge vbus
- drive vbus
- connection signaling
- drive sof
- start data pulse
- add fsm timer
- delete fsm timer
- start host
- start gadget

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Li Jun <b47624@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 25 insertions, 0 deletions

diff --git a/drivers/usb/chipidea/otg_fsm.h b/drivers/usb/chipidea/otg_fsm.h
index bf20a851b601..4d0dfe6900d6 100644
--- a/drivers/usb/chipidea/otg_fsm.h
+++ b/drivers/usb/chipidea/otg_fsm.h
@@ -13,6 +13,31 @@
 
 #include <linux/usb/otg-fsm.h>
 
+enum ci_otg_fsm_timer_index {
+	/*
+	 * CI specific timers, start from the end
+	 * of standard and auxiliary OTG timers
+	 */
+	B_DATA_PLS = NUM_OTG_FSM_TIMERS,
+	B_SSEND_SRP,
+	B_SESS_VLD,
+
+	NUM_CI_OTG_FSM_TIMERS,
+};
+
+struct ci_otg_fsm_timer {
+	unsigned long expires;  /* Number of count increase to timeout */
+	unsigned long count;    /* Tick counter */
+	void (*function)(void *, unsigned long);        /* Timeout function */
+	unsigned long data;     /* Data passed to function */
+	struct list_head list;
+};
+
+struct ci_otg_fsm_timer_list {
+	struct ci_otg_fsm_timer *timer_list[NUM_CI_OTG_FSM_TIMERS];
+	struct list_head active_timers;
+};
+
 #ifdef CONFIG_USB_OTG_FSM
 
 int ci_hdrc_otg_fsm_init(struct ci_hdrc *ci);