65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) STMicroelectronics SA 2014
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* Authors: Benjamin Gaignard <benjamin.gaignard@st.com>
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* Fabien Dessenne <fabien.dessenne@st.com>
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* for STMicroelectronics.
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*/
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#ifndef _STI_MIXER_H_
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#define _STI_MIXER_H_
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#include <drm/drmP.h>
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#include "sti_plane.h"
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#define to_sti_mixer(x) container_of(x, struct sti_mixer, drm_crtc)
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enum sti_mixer_status {
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STI_MIXER_READY,
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STI_MIXER_DISABLING,
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STI_MIXER_DISABLED,
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};
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/**
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* STI Mixer subdevice structure
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*
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* @dev: driver device
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* @regs: mixer registers
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* @id: id of the mixer
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* @drm_crtc: crtc object link to the mixer
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* @status: to know the status of the mixer
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*/
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struct sti_mixer {
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struct device *dev;
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void __iomem *regs;
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int id;
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struct drm_crtc drm_crtc;
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enum sti_mixer_status status;
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};
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const char *sti_mixer_to_str(struct sti_mixer *mixer);
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struct sti_mixer *sti_mixer_create(struct device *dev,
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struct drm_device *drm_dev,
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int id,
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void __iomem *baseaddr);
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int sti_mixer_set_plane_status(struct sti_mixer *mixer,
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struct sti_plane *plane, bool status);
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int sti_mixer_set_plane_depth(struct sti_mixer *mixer, struct sti_plane *plane);
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int sti_mixer_active_video_area(struct sti_mixer *mixer,
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struct drm_display_mode *mode);
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void sti_mixer_set_background_status(struct sti_mixer *mixer, bool enable);
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int sti_mixer_debugfs_init(struct sti_mixer *mixer, struct drm_minor *minor);
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/* depth in Cross-bar control = z order */
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#define GAM_MIXER_NB_DEPTH_LEVEL 6
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#define STI_MIXER_MAIN 0
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#define STI_MIXER_AUX 1
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#endif
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