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: / usr / lib / modules / 5.15.0-116-generic / build / include / drm /
Filename : intel_lpe_audio.h
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/*
 * Copyright © 2016 Intel Corporation
 *
 * 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 (including the next
 * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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.
 */

#ifndef _INTEL_LPE_AUDIO_H_
#define _INTEL_LPE_AUDIO_H_

#include <linux/types.h>
#include <linux/spinlock_types.h>

struct platform_device;

#define HDMI_MAX_ELD_BYTES	128

struct intel_hdmi_lpe_audio_port_pdata {
	u8 eld[HDMI_MAX_ELD_BYTES];
	int port;
	int pipe;
	int ls_clock;
	bool dp_output;
};

struct intel_hdmi_lpe_audio_pdata {
	struct intel_hdmi_lpe_audio_port_pdata port[3]; /* for ports B,C,D */
	int num_ports;
	int num_pipes;

	void (*notify_audio_lpe)(struct platform_device *pdev, int port); /* port: 0==B,1==C,2==D */
	spinlock_t lpe_audio_slock;
};

#endif /* _I915_LPE_AUDIO_H_ */