1 /* 2 * Copyright (C) 2017 The Linux Foundation. All rights reserved. 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 as published by 6 * the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 11 * more details. 12 * 13 * You should have received a copy of the GNU General Public License along with 14 * this program. If not, see <http://www.gnu.org/licenses/>. 15 */ 16 17 #ifndef __MDP5_LM_H__ 18 #define __MDP5_LM_H__ 19 20 /* represents a hw Layer Mixer, one (or more) is dynamically assigned to a crtc */ 21 struct mdp5_hw_mixer { 22 int idx; 23 24 const char *name; 25 26 int lm; /* the LM instance # */ 27 uint32_t caps; 28 int pp; 29 int dspp; 30 31 uint32_t flush_mask; /* used to commit LM registers */ 32 }; 33 34 /* global atomic state of assignment between CRTCs and Layer Mixers: */ 35 struct mdp5_hw_mixer_state { 36 struct drm_crtc *hwmixer_to_crtc[8]; 37 }; 38 39 struct mdp5_hw_mixer *mdp5_mixer_init(const struct mdp5_lm_instance *lm); 40 void mdp5_mixer_destroy(struct mdp5_hw_mixer *lm); 41 int mdp5_mixer_assign(struct drm_atomic_state *s, struct drm_crtc *crtc, 42 uint32_t caps, struct mdp5_hw_mixer **mixer, 43 struct mdp5_hw_mixer **r_mixer); 44 void mdp5_mixer_release(struct drm_atomic_state *s, 45 struct mdp5_hw_mixer *mixer); 46 47 #endif /* __MDP5_LM_H__ */ 48
