/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2017 The Linux Foundation. All rights reserved.
 */

#ifndef __MDP5_LM_H__
#define __MDP5_LM_H__

/* represents a hw Layer Mixer, one (or more) is dynamically assigned to a crtc */
struct mdp5_hw_mixer {
        int idx;

        const char *name;

        int lm;                 /* the LM instance # */
        uint32_t caps;
        int pp;
        int dspp;

        uint32_t flush_mask;      /* used to commit LM registers */
};

/* global atomic state of assignment between CRTCs and Layer Mixers: */
struct mdp5_hw_mixer_state {
        struct drm_crtc *hwmixer_to_crtc[8];
};

struct mdp5_hw_mixer *mdp5_mixer_init(struct drm_device *dev,
                                      const struct mdp5_lm_instance *lm);
int mdp5_mixer_assign(struct drm_atomic_commit *s, struct drm_crtc *crtc,
                      uint32_t caps, struct mdp5_hw_mixer **mixer,
                      struct mdp5_hw_mixer **r_mixer);
int mdp5_mixer_release(struct drm_atomic_commit *s,
                       struct mdp5_hw_mixer *mixer);

#endif /* __MDP5_LM_H__ */