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 */ 10 struct 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: */ 24 struct mdp5_hw_mixer_state { 25 struct drm_crtc *hwmixer_to_crtc[8]; 26 }; 27 28 struct mdp5_hw_mixer *mdp5_mixer_init(const struct mdp5_lm_instance *lm); 29 void mdp5_mixer_destroy(struct mdp5_hw_mixer *lm); 30 int 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); 33 void mdp5_mixer_release(struct drm_atomic_state *s, 34 struct mdp5_hw_mixer *mixer); 35 36 #endif /* __MDP5_LM_H__ */ 37