blob: ab06beb7b25843b6df6ea333ad3220bb5d5c0213 [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0 */
* Copyright (C) STMicroelectronics SA 2014
* Authors: Benjamin Gaignard <>
* Fabien Dessenne <>
* for STMicroelectronics.
#ifndef _STI_MIXER_H_
#define _STI_MIXER_H_
#include <drm/drm_crtc.h>
#include <drm/drm_debugfs.h>
#include <drm/drm_file.h>
#include "sti_plane.h"
struct device;
#define to_sti_mixer(x) container_of(x, struct sti_mixer, drm_crtc)
enum sti_mixer_status {
* STI Mixer subdevice structure
* @dev: driver device
* @regs: mixer registers
* @id: id of the mixer
* @drm_crtc: crtc object link to the mixer
* @status: to know the status of the mixer
struct sti_mixer {
struct device *dev;
void __iomem *regs;
int id;
struct drm_crtc drm_crtc;
enum sti_mixer_status status;
const char *sti_mixer_to_str(struct sti_mixer *mixer);
struct sti_mixer *sti_mixer_create(struct device *dev,
struct drm_device *drm_dev,
int id,
void __iomem *baseaddr);
int sti_mixer_set_plane_status(struct sti_mixer *mixer,
struct sti_plane *plane, bool status);
int sti_mixer_set_plane_depth(struct sti_mixer *mixer, struct sti_plane *plane);
int sti_mixer_active_video_area(struct sti_mixer *mixer,
struct drm_display_mode *mode);
void sti_mixer_set_background_status(struct sti_mixer *mixer, bool enable);
void sti_mixer_debugfs_init(struct sti_mixer *mixer, struct drm_minor *minor);
/* depth in Cross-bar control = z order */
#define STI_MIXER_MAIN 0
#define STI_MIXER_AUX 1