48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
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/*
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* Copyright (C) 2017 The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __MDP5_LM_H__
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#define __MDP5_LM_H__
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/* represents a hw Layer Mixer, one (or more) is dynamically assigned to a crtc */
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struct mdp5_hw_mixer {
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int idx;
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const char *name;
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int lm; /* the LM instance # */
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uint32_t caps;
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int pp;
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int dspp;
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uint32_t flush_mask; /* used to commit LM registers */
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};
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/* global atomic state of assignment between CRTCs and Layer Mixers: */
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struct mdp5_hw_mixer_state {
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struct drm_crtc *hwmixer_to_crtc[8];
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};
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struct mdp5_hw_mixer *mdp5_mixer_init(const struct mdp5_lm_instance *lm);
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void mdp5_mixer_destroy(struct mdp5_hw_mixer *lm);
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int mdp5_mixer_assign(struct drm_atomic_state *s, struct drm_crtc *crtc,
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uint32_t caps, struct mdp5_hw_mixer **mixer,
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struct mdp5_hw_mixer **r_mixer);
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void mdp5_mixer_release(struct drm_atomic_state *s,
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struct mdp5_hw_mixer *mixer);
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#endif /* __MDP5_LM_H__ */
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