1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (C) 2016 Red Hat
 4 * Author: Rob Clark <robdclark@gmail.com>
 5 */
 6
 7#ifndef __MDP5_PIPE_H__
 8#define __MDP5_PIPE_H__
 9
10/* TODO: Add SSPP_MAX in mdp5.xml.h */
11#define SSPP_MAX	(SSPP_CURSOR1 + 1)
12
13/* represents a hw pipe, which is dynamically assigned to a plane */
14struct mdp5_hw_pipe {
15	int idx;
16
17	const char *name;
18	enum mdp5_pipe pipe;
19
20	uint32_t reg_offset;
21	uint32_t caps;
22
23	uint32_t flush_mask;      /* used to commit pipe registers */
24
25	/* number of smp blocks per plane, ie:
26	 *   nblks_y | (nblks_u << 8) | (nblks_v << 16)
27	 */
28	uint32_t blkcfg;
29};
30
31/* global atomic state of assignment between pipes and planes: */
32struct mdp5_hw_pipe_state {
33	struct drm_plane *hwpipe_to_plane[SSPP_MAX];
34};
35
36int mdp5_pipe_assign(struct drm_atomic_state *s, struct drm_plane *plane,
37		     uint32_t caps, uint32_t blkcfg,
38		     struct mdp5_hw_pipe **hwpipe,
39		     struct mdp5_hw_pipe **r_hwpipe);
40int mdp5_pipe_release(struct drm_atomic_state *s, struct mdp5_hw_pipe *hwpipe);
41
42struct mdp5_hw_pipe *mdp5_pipe_init(enum mdp5_pipe pipe,
43		uint32_t reg_offset, uint32_t caps);
44void mdp5_pipe_destroy(struct mdp5_hw_pipe *hwpipe);
45
46#endif /* __MDP5_PIPE_H__ */