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 */
14 struct 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: */
32 struct mdp5_hw_pipe_state {
33 	struct drm_plane *hwpipe_to_plane[SSPP_MAX];
34 };
35 
36 int 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);
40 void mdp5_pipe_release(struct drm_atomic_state *s, struct mdp5_hw_pipe *hwpipe);
41 
42 struct mdp5_hw_pipe *mdp5_pipe_init(enum mdp5_pipe pipe,
43 		uint32_t reg_offset, uint32_t caps);
44 void mdp5_pipe_destroy(struct mdp5_hw_pipe *hwpipe);
45 
46 #endif /* __MDP5_PIPE_H__ */
47