bdf97a004b
Create the framework to support external dp aux bridge device which can handle DPCD/I2C/HPD from external. Change-Id: Iabd0998efc8bf7134d186b1751d219c00217385c Signed-off-by: Xiaowen Wu <wxiaowen@codeaurora.org> Signed-off-by: Karim Henain <khenain@codeaurora.org> Signed-off-by: Sudarsan Ramesh <sudarame@codeaurora.org>
43 sor
1.2 KiB
C
43 sor
1.2 KiB
C
/*
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* Copyright (c) 2019-2021, The Linux Foundation. All rights reserved.
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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 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef _DP_BRIDGE_HPD_H_
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#define _DP_BRIDGE_HPD_H_
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#include "dp_hpd.h"
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/**
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* dp_bridge_hpd_get() - configure and get the DisplayPlot HPD module data
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*
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* @dev: device instance of the caller
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* @cb: callback function for HPD response
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* @aux_bridge: handle for aux_bridge driver data
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* return: pointer to allocated gpio hpd module data
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*
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* This function sets up the gpio hpd module
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*/
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struct dp_hpd *dp_bridge_hpd_get(struct device *dev,
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struct dp_hpd_cb *cb, struct dp_aux_bridge *aux_bridge);
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/**
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* dp_bridge_hpd_put()
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*
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* Cleans up dp_hpd instance
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*
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* @hpd: instance of gpio_hpd
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*/
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void dp_bridge_hpd_put(struct dp_hpd *hpd);
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#endif /* _DP_BRIDGE_HPD_H_ */
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