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/*
* Copyright 2014 Google Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _DISPLAYPORT_H
#define _DISPLAYPORT_H
struct udevice;
struct display_timing;
/**
* display_port_read_edid() - Read information from EDID
*
* @dev: Device to read from
* @buf: Buffer to read into (should be EDID_SIZE bytes)
* @buf_size: Buffer size (should be EDID_SIZE)
* @return number of bytes read, <=0 for error
*/
int display_port_read_edid(struct udevice *dev, u8 *buf, int buf_size);
/**
* display_port_enable() - Enable a display port device
*
* @dev: Device to enable
* @panel_bpp: Number of bits per pixel for panel
* @timing: Display timings
* @return 0 if OK, -ve on error
*/
int display_port_enable(struct udevice *dev, int panel_bpp,
const struct display_timing *timing);
struct dm_display_port_ops {
/**
* read_edid() - Read information from EDID
*
* @dev: Device to read from
* @buf: Buffer to read into (should be EDID_SIZE bytes)
* @buf_size: Buffer size (should be EDID_SIZE)
* @return number of bytes read, <=0 for error
*/
int (*read_edid)(struct udevice *dev, u8 *buf, int buf_size);
/**
* enable() - Enable the display port device
*
* @dev: Device to enable
* @panel_bpp: Number of bits per pixel for panel
* @timing: Display timings
* @return 0 if OK, -ve on error
*/
int (*enable)(struct udevice *dev, int panel_bpp,
const struct display_timing *timing);
};
#define display_port_get_ops(dev) \
((struct dm_display_port_ops *)(dev)->driver->ops)
#endif
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