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93 lines
2.6 KiB
93 lines
2.6 KiB
/* include/linux/msm_hdmi.h
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*
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* Copyright (c) 2014-2015, 2018, The Linux Foundation. All rights reserved.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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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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#ifndef _MSM_HDMI_H_
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#define _MSM_HDMI_H_
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#include <linux/device.h>
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#include <linux/platform_device.h>
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/*
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* HDMI cable notify handler structure.
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* link A link for the linked list
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* status Current status of HDMI cable connection
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* hpd_notify Callback function to provide cable status
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*/
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struct hdmi_cable_notify {
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struct list_head link;
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int status;
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void (*hpd_notify)(struct hdmi_cable_notify *h);
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};
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struct msm_hdmi_audio_edid_blk {
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u8 *audio_data_blk;
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unsigned int audio_data_blk_size; /* in bytes */
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u8 *spk_alloc_data_blk;
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unsigned int spk_alloc_data_blk_size; /* in bytes */
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};
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struct msm_hdmi_audio_setup_params {
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u32 sample_rate_hz;
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u32 num_of_channels;
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u32 channel_allocation;
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u32 level_shift;
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bool down_mix;
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u32 sample_present;
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};
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struct msm_hdmi_audio_codec_ops {
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int (*audio_info_setup)(struct platform_device *pdev,
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struct msm_hdmi_audio_setup_params *params);
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int (*get_audio_edid_blk)(struct platform_device *pdev,
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struct msm_hdmi_audio_edid_blk *blk);
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int (*hdmi_cable_status)(struct platform_device *pdev, u32 vote);
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};
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#ifdef CONFIG_FB_MSM_MDSS_HDMI_PANEL
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/*
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* Register for HDMI cable connect or disconnect notification.
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* @param handler callback handler for notification
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* @return negative value as error otherwise current status of cable
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*/
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int register_hdmi_cable_notification(
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struct hdmi_cable_notify *handler);
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/*
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* Un-register for HDMI cable connect or disconnect notification.
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* @param handler callback handler for notification
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* @return negative value as error
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*/
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int unregister_hdmi_cable_notification(
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struct hdmi_cable_notify *handler);
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int msm_hdmi_register_audio_codec(struct platform_device *pdev,
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struct msm_hdmi_audio_codec_ops *ops);
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#else
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static inline int register_hdmi_cable_notification(
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struct hdmi_cable_notify *handler) {
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return 0;
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}
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static inline int unregister_hdmi_cable_notification(
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struct hdmi_cable_notify *handler) {
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return 0;
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}
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static inline int msm_hdmi_register_audio_codec(struct platform_device *pdev,
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struct msm_hdmi_audio_codec_ops *ops) {
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return 0;
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}
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#endif /* CONFIG_FB_MSM_MDSS_HDMI_PANEL */
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#endif /*_MSM_HDMI_H_*/
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