drivers/gpu/drm/msm/disp/mdp5/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 */
  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 int mdp5_mixer_release(struct drm_atomic_state *s,
  34                        struct mdp5_hw_mixer *mixer);
  35
  36 #endif /* __MDP5_LM_H__ */