826cfe751f
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>
55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
/*
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* Copyright (C) 2014 Freescale Semiconductor, Inc.
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*
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* Author: Jun Li
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __DRIVERS_USB_CHIPIDEA_OTG_FSM_H
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#define __DRIVERS_USB_CHIPIDEA_OTG_FSM_H
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#include <linux/usb/otg-fsm.h>
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enum ci_otg_fsm_timer_index {
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/*
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* CI specific timers, start from the end
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* of standard and auxiliary OTG timers
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*/
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B_DATA_PLS = NUM_OTG_FSM_TIMERS,
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B_SSEND_SRP,
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B_SESS_VLD,
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NUM_CI_OTG_FSM_TIMERS,
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};
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struct ci_otg_fsm_timer {
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unsigned long expires; /* Number of count increase to timeout */
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unsigned long count; /* Tick counter */
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void (*function)(void *, unsigned long); /* Timeout function */
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unsigned long data; /* Data passed to function */
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struct list_head list;
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};
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struct ci_otg_fsm_timer_list {
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struct ci_otg_fsm_timer *timer_list[NUM_CI_OTG_FSM_TIMERS];
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struct list_head active_timers;
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};
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#ifdef CONFIG_USB_OTG_FSM
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int ci_hdrc_otg_fsm_init(struct ci_hdrc *ci);
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#else
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static inline int ci_hdrc_otg_fsm_init(struct ci_hdrc *ci)
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{
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return 0;
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}
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#endif
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#endif /* __DRIVERS_USB_CHIPIDEA_OTG_FSM_H */
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