linux/drivers/gpu/drm/sti/sti_hdmi.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (C) STMicroelectronics SA 2014
 * Author: Vincent Abriou <[email protected]> for STMicroelectronics.
 */

#ifndef _STI_HDMI_H_
#define _STI_HDMI_H_

#include <linux/hdmi.h>
#include <linux/platform_device.h>

#include <media/cec-notifier.h>

#include <drm/drm_modes.h>
#include <drm/drm_property.h>

#define HDMI_STA …
#define HDMI_STA_DLL_LCK …
#define HDMI_STA_HOT_PLUG …

struct sti_hdmi;

struct hdmi_phy_ops { … };

struct hdmi_audio_params { … };

#define DEFAULT_COLORSPACE_MODE …

/**
 * STI hdmi structure
 *
 * @dev: driver device
 * @drm_dev: pointer to drm device
 * @mode: current display mode selected
 * @regs: hdmi register
 * @syscfg: syscfg register for pll rejection configuration
 * @clk_pix: hdmi pixel clock
 * @clk_tmds: hdmi tmds clock
 * @clk_phy: hdmi phy clock
 * @clk_audio: hdmi audio clock
 * @irq: hdmi interrupt number
 * @irq_status: interrupt status register
 * @phy_ops: phy start/stop operations
 * @enabled: true if hdmi is enabled else false
 * @hpd: hot plug detect status
 * @wait_event: wait event
 * @event_received: wait event status
 * @reset: reset control of the hdmi phy
 * @ddc_adapt: i2c ddc adapter
 * @colorspace: current colorspace selected
 * @audio_pdev: ASoC hdmi-codec platform device
 * @audio: hdmi audio parameters.
 * @drm_connector: hdmi connector
 * @notifier: hotplug detect notifier
 */
struct sti_hdmi { … };

u32 hdmi_read(struct sti_hdmi *hdmi, int offset);
void hdmi_write(struct sti_hdmi *hdmi, u32 val, int offset);

/**
 * hdmi phy config structure
 *
 * A pointer to an array of these structures is passed to a TMDS (HDMI) output
 * via the control interface to provide board and SoC specific
 * configurations of the HDMI PHY. Each entry in the array specifies a hardware
 * specific configuration for a given TMDS clock frequency range.
 *
 * @min_tmds_freq: Lower bound of TMDS clock frequency this entry applies to
 * @max_tmds_freq: Upper bound of TMDS clock frequency this entry applies to
 * @config: SoC specific register configuration
 */
struct hdmi_phy_config { … };

#endif