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/*
* Copyright (C) STMicroelectronics SA 2014
* Authors: Benjamin Gaignard <benjamin.gaignard@st.com>
* Fabien Dessenne <fabien.dessenne@st.com>
* for STMicroelectronics.
* License terms: GNU General Public License (GPL), version 2
*/
#ifndef _STI_MIXER_H_
#define _STI_MIXER_H_
#include <drm/drmP.h>
#include "sti_layer.h"
#define to_sti_mixer(x) container_of(x, struct sti_mixer, drm_crtc)
/**
* STI Mixer subdevice structure
*
* @dev: driver device
* @regs: mixer registers
* @id: id of the mixer
* @drm_crtc: crtc object link to the mixer
* @pending_event: set if a flip event is pending on crtc
* @enabled: to know if the mixer is active or not
*/
struct sti_mixer {
struct device *dev;
void __iomem *regs;
int id;
struct drm_crtc drm_crtc;
struct drm_pending_vblank_event *pending_event;
bool enabled;
};
const char *sti_mixer_to_str(struct sti_mixer *mixer);
struct sti_mixer *sti_mixer_create(struct device *dev, int id,
void __iomem *baseaddr);
int sti_mixer_set_layer_status(struct sti_mixer *mixer,
struct sti_layer *layer, bool status);
void sti_mixer_clear_all_layers(struct sti_mixer *mixer);
int sti_mixer_set_layer_depth(struct sti_mixer *mixer, struct sti_layer *layer);
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);
/* depth in Cross-bar control = z order */
#define GAM_MIXER_NB_DEPTH_LEVEL 7
#define STI_MIXER_MAIN 0
#define STI_MIXER_AUX 1
#endif
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