drivers/drm/meson_hdmi.h

/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
/*
 * Copyright (c) 2019 Amlogic, Inc. All rights reserved.
 */

#ifndef __MESON_HDMI_H__
#define __MESON_HDMI_H__

#include "meson_drv.h"
#include <drm/drm_connector.h>
#include <drm/drm_encoder.h>
#include <drm/amlogic/meson_connector_dev.h>
#include <media/cec-notifier.h>

enum {
	HDCP_STATE_START = 0,
	HDCP_STATE_SUCCESS,
	HDCP_STATE_FAIL,
	HDCP_STATE_STOP,
	HDCP_STATE_DISCONNECT,
};

enum {
	MESON_PREF_DV = 0,
	MESON_PREF_HDR,
	MESON_PREF_SDR,
};

struct hdmitx_color_attr {
	enum hdmi_colorspace colorformat;
	int bitdepth;
};

struct am_hdmi_tx {
	struct meson_connector base;
	struct drm_encoder encoder;

	/*drm request content type.*/
	int hdcp_request_content_type;
	int hdcp_request_content_protection;
	/*current hdcp running mode, HDCP_NULL means hdcp disabled.*/
	int hdcp_mode;
	/*hdcp auth result, HDCP_AUTH_UNKNOWN means havenot finished auth.*/
	int hdcp_state;

	int hdmitx_on;

	/*TODO: android compatible, remove later*/
	bool android_path;

	/*amlogic property: force hdmitx update
	 *colorspace/colordepth from sysfs.
	 */
	struct drm_property *update_attr_prop;
	struct drm_property *color_space_prop;
	struct drm_property *color_depth_prop;
	struct drm_property *avmute_prop;
	struct drm_property *hdmi_hdr_status_prop;
	struct drm_property *hdr_cap_property;
	struct drm_property *dv_cap_property;
	struct drm_property *hdcp_ver_prop;
	struct drm_property *hdcp_mode_property;
	struct drm_property *hdr_ctl_property;
	struct drm_property *hdr_output_cap_property;

#ifdef CONFIG_CEC_NOTIFIER
	struct cec_notifier	*cec_notifier;
#endif

	struct meson_hdmitx_dev *hdmitx_dev;
};

struct am_hdmitx_connector_state {
	struct drm_connector_state base;

	/*drm hdmitx attr from external modules,
	 *ONLY used for once, and reset when duplicate.
	 */
	struct hdmitx_color_attr color_attr_para;
	/*HDR Priority: dv,hdr,sdr*/
	int pref_hdr_policy;
	int hdr_ctl;

	bool update : 1;
	bool color_force : 1;
	bool avmute : 1;
};

#define to_am_hdmitx_connector_state(x)	container_of(x, struct am_hdmitx_connector_state, base)
#define meson_connector_to_am_hdmi(x)	container_of(x, struct am_hdmi_tx, base)
#define connector_to_am_hdmi(x) \
	container_of(connector_to_meson_connector(x), struct am_hdmi_tx, base)
#define encoder_to_am_hdmi(x)	container_of(x, struct am_hdmi_tx, encoder)

int meson_hdmitx_dev_bind(struct drm_device *drm,
	int type, struct meson_connector_dev *intf);
int meson_hdmitx_dev_unbind(struct drm_device *drm,
	int type, int connector_id);

void convert_attrstr(char *attr_str, struct hdmitx_color_attr *attr_param);

#endif