a107f8c505
We add vbus interrupt handler at ci_otg_work, it uses OTGSC_BSV(at otgsc) to know it is connect or disconnet event. Meanwhile, we introduce two flags id_event and b_sess_valid_event to indicate it is an id interrupt or a vbus interrupt. Tested-by: Marek Vasut <marex@denx.de> Signed-off-by: Peter Chen <peter.chen@freescale.com> Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
35 lines
965 B
C
35 lines
965 B
C
/*
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* Copyright (C) 2013 Freescale Semiconductor, Inc.
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*
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* Author: Peter Chen
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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_H
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#define __DRIVERS_USB_CHIPIDEA_OTG_H
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static inline void ci_clear_otg_interrupt(struct ci_hdrc *ci, u32 bits)
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{
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/* Only clear request bits */
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hw_write(ci, OP_OTGSC, OTGSC_INT_STATUS_BITS, bits);
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}
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static inline void ci_enable_otg_interrupt(struct ci_hdrc *ci, u32 bits)
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{
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hw_write(ci, OP_OTGSC, bits, bits);
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}
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static inline void ci_disable_otg_interrupt(struct ci_hdrc *ci, u32 bits)
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{
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hw_write(ci, OP_OTGSC, bits, 0);
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}
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int ci_hdrc_otg_init(struct ci_hdrc *ci);
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void ci_hdrc_otg_destroy(struct ci_hdrc *ci);
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enum ci_role ci_otg_role(struct ci_hdrc *ci);
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void ci_handle_vbus_change(struct ci_hdrc *ci);
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#endif /* __DRIVERS_USB_CHIPIDEA_OTG_H */
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