mdp5_mixer.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (C) 2017 The Linux Foundation. All rights reserved.
 4 */
 5
 6#ifndef __MDP5_LM_H__
 7#define __MDP5_LM_H__
 8
 9/* represents a hw Layer Mixer, one (or more) is dynamically assigned to a crtc */
10struct mdp5_hw_mixer {
11	int idx;
12
13	const char *name;
14
15	int lm;			/* the LM instance # */
16	uint32_t caps;
17	int pp;
18	int dspp;
19
20	uint32_t flush_mask;      /* used to commit LM registers */
21};
22
23/* global atomic state of assignment between CRTCs and Layer Mixers: */
24struct mdp5_hw_mixer_state {
25	struct drm_crtc *hwmixer_to_crtc[8];
26};
27
28struct mdp5_hw_mixer *mdp5_mixer_init(struct drm_device *dev,
29				      const struct mdp5_lm_instance *lm);
30int mdp5_mixer_assign(struct drm_atomic_state *s, struct drm_crtc *crtc,
31		      uint32_t caps, struct mdp5_hw_mixer **mixer,
32		      struct mdp5_hw_mixer **r_mixer);
33int mdp5_mixer_release(struct drm_atomic_state *s,
34		       struct mdp5_hw_mixer *mixer);
35
36#endif /* __MDP5_LM_H__ */