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/*
* Copyright (C) 2016 Red Hat
* Author: Rob Clark <robdclark@gmail.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __MDP5_PIPE_H__
#define __MDP5_PIPE_H__
#define SSPP_MAX (SSPP_RGB3 + 1) /* TODO: Add SSPP_MAX in mdp5.xml.h */
/* represents a hw pipe, which is dynamically assigned to a plane */
struct mdp5_hw_pipe {
int idx;
const char *name;
enum mdp5_pipe pipe;
spinlock_t pipe_lock; /* protect REG_MDP5_PIPE_* registers */
uint32_t reg_offset;
uint32_t caps;
uint32_t flush_mask; /* used to commit pipe registers */
};
/* global atomic state of assignment between pipes and planes: */
struct mdp5_hw_pipe_state {
struct drm_plane *hwpipe_to_plane[SSPP_MAX];
};
struct mdp5_hw_pipe *__must_check
mdp5_pipe_assign(struct drm_atomic_state *s, struct drm_plane *plane,
uint32_t caps);
void mdp5_pipe_release(struct drm_atomic_state *s, struct mdp5_hw_pipe *hwpipe);
struct mdp5_hw_pipe *mdp5_pipe_init(enum mdp5_pipe pipe,
uint32_t reg_offset, uint32_t caps);
void mdp5_pipe_destroy(struct mdp5_hw_pipe *hwpipe);
#endif /* __MDP5_PIPE_H__ */
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