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(const struct mdp5_lm_instance *lm); 29void mdp5_mixer_destroy(struct mdp5_hw_mixer *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); 33void mdp5_mixer_release(struct drm_atomic_state *s, 34 struct mdp5_hw_mixer *mixer); 35 36#endif /* __MDP5_LM_H__ */ 37