/*
* Copyright 2022 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#ifndef __DC_LINK_DP_IRQ_HANDLER_H__
#define __DC_LINK_DP_IRQ_HANDLER_H__
#include "link.h"
bool dp_parse_link_loss_status(
struct dc_link *link,
union hpd_irq_data *hpd_irq_dpcd_data);
bool dp_should_allow_hpd_rx_irq(const struct dc_link *link);
void dp_handle_link_loss(struct dc_link *link);
enum dc_status dp_read_hpd_rx_irq_data(
struct dc_link *link,
union hpd_irq_data *irq_data);
bool dp_handle_hpd_rx_irq(struct dc_link *link,
union hpd_irq_data *out_hpd_irq_dpcd_data, bool *out_link_loss,
bool defer_handling, bool *has_left_work);
#endif /* __DC_LINK_DP_IRQ_HANDLER_H__ */