1 /*
2  * Copyright (c) 2014 The Linux Foundation. All rights reserved.
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License version 2 and
6  * only version 2 as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11  * GNU General Public License for more details.
12  */
13 
14 #ifndef __MDP5_CTL_H__
15 #define __MDP5_CTL_H__
16 
17 #include "msm_drv.h"
18 
19 /*
20  * CTL Manager prototypes:
21  * mdp5_ctlm_init() returns a ctlm (CTL Manager) handler,
22  * which is then used to call the other mdp5_ctlm_*(ctlm, ...) functions.
23  */
24 struct mdp5_ctl_manager;
25 struct mdp5_ctl_manager *mdp5_ctlm_init(struct drm_device *dev,
26 		void __iomem *mmio_base, struct mdp5_cfg_handler *cfg_hnd);
27 void mdp5_ctlm_hw_reset(struct mdp5_ctl_manager *ctlm);
28 void mdp5_ctlm_destroy(struct mdp5_ctl_manager *ctlm);
29 
30 /*
31  * CTL prototypes:
32  * mdp5_ctl_request(ctlm, ...) returns a ctl (CTL resource) handler,
33  * which is then used to call the other mdp5_ctl_*(ctl, ...) functions.
34  */
35 struct mdp5_ctl *mdp5_ctlm_request(struct mdp5_ctl_manager *ctlm, int intf_num);
36 
37 int mdp5_ctl_get_ctl_id(struct mdp5_ctl *ctl);
38 
39 struct mdp5_interface;
40 struct mdp5_pipeline;
41 int mdp5_ctl_set_pipeline(struct mdp5_ctl *ctl, struct mdp5_pipeline *p);
42 int mdp5_ctl_set_encoder_state(struct mdp5_ctl *ctl, struct mdp5_pipeline *p,
43 			       bool enabled);
44 
45 int mdp5_ctl_set_cursor(struct mdp5_ctl *ctl, struct mdp5_pipeline *pipeline,
46 			int cursor_id, bool enable);
47 int mdp5_ctl_pair(struct mdp5_ctl *ctlx, struct mdp5_ctl *ctly, bool enable);
48 
49 #define MAX_PIPE_STAGE		2
50 
51 /*
52  * mdp5_ctl_blend() - Blend multiple layers on a Layer Mixer (LM)
53  *
54  * @stage: array to contain the pipe num for each stage
55  * @stage_cnt: valid stage number in stage array
56  * @ctl_blend_op_flags: blender operation mode flags
57  *
58  * Note:
59  * CTL registers need to be flushed after calling this function
60  * (call mdp5_ctl_commit() with mdp_ctl_flush_mask_ctl() mask)
61  */
62 #define MDP5_CTL_BLEND_OP_FLAG_BORDER_OUT	BIT(0)
63 int mdp5_ctl_blend(struct mdp5_ctl *ctl, struct mdp5_pipeline *pipeline,
64 		   enum mdp5_pipe stage[][MAX_PIPE_STAGE],
65 		   enum mdp5_pipe r_stage[][MAX_PIPE_STAGE],
66 		   u32 stage_cnt, u32 ctl_blend_op_flags);
67 
68 /**
69  * mdp_ctl_flush_mask...() - Register FLUSH masks
70  *
71  * These masks are used to specify which block(s) need to be flushed
72  * through @flush_mask parameter in mdp5_ctl_commit(.., flush_mask).
73  */
74 u32 mdp_ctl_flush_mask_lm(int lm);
75 u32 mdp_ctl_flush_mask_pipe(enum mdp5_pipe pipe);
76 u32 mdp_ctl_flush_mask_cursor(int cursor_id);
77 u32 mdp_ctl_flush_mask_encoder(struct mdp5_interface *intf);
78 
79 /* @flush_mask: see CTL flush masks definitions below */
80 u32 mdp5_ctl_commit(struct mdp5_ctl *ctl, struct mdp5_pipeline *pipeline,
81 		    u32 flush_mask, bool start);
82 u32 mdp5_ctl_get_commit_status(struct mdp5_ctl *ctl);
83 
84 
85 
86 #endif /* __MDP5_CTL_H__ */
87