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/* SPDX-License-Identifier: MIT */
#ifndef DRM_DISPLAY_HDMI_CEC_HELPER
#define DRM_DISPLAY_HDMI_CEC_HELPER
#include <linux/types.h>
struct drm_connector;
struct cec_msg;
struct device;
struct drm_connector_hdmi_cec_funcs {
/**
* @init: perform hardware-specific initialization before registering the CEC adapter
*/
int (*init)(struct drm_connector *connector);
/**
* @uninit: perform hardware-specific teardown for the CEC adapter
*/
void (*uninit)(struct drm_connector *connector);
/**
* @enable: enable or disable CEC adapter
*/
int (*enable)(struct drm_connector *connector, bool enable);
/**
* @log_addr: set adapter's logical address, can be called multiple
* times if adapter supports several LAs
*/
int (*log_addr)(struct drm_connector *connector, u8 logical_addr);
/**
* @transmit: start transmission of the specified CEC message
*/
int (*transmit)(struct drm_connector *connector, u8 attempts,
u32 signal_free_time, struct cec_msg *msg);
};
int drmm_connector_hdmi_cec_register(struct drm_connector *connector,
const struct drm_connector_hdmi_cec_funcs *funcs,
const char *name,
u8 available_las,
struct device *dev);
void drm_connector_hdmi_cec_received_msg(struct drm_connector *connector,
struct cec_msg *msg);
void drm_connector_hdmi_cec_transmit_done(struct drm_connector *connector,
u8 status,
u8 arb_lost_cnt, u8 nack_cnt,
u8 low_drive_cnt, u8 error_cnt);
void drm_connector_hdmi_cec_transmit_attempt_done(struct drm_connector *connector,
u8 status);
#if IS_ENABLED(CONFIG_DRM_DISPLAY_HDMI_CEC_NOTIFIER_HELPER)
int drmm_connector_hdmi_cec_notifier_register(struct drm_connector *connector,
const char *port_name,
struct device *dev);
#else
static inline int drmm_connector_hdmi_cec_notifier_register(struct drm_connector *connector,
const char *port_name,
struct device *dev)
{
return 0;
}
#endif
#endif
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