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 */
24struct mdp5_ctl_manager;
25struct mdp5_ctl_manager *mdp5_ctlm_init(struct drm_device *dev,
26		void __iomem *mmio_base, const struct mdp5_cfg_hw *hw_cfg);
27void mdp5_ctlm_hw_reset(struct mdp5_ctl_manager *ctlm);
28void 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 */
35struct mdp5_ctl *mdp5_ctlm_request(struct mdp5_ctl_manager *ctlm, struct drm_crtc *crtc);
36int mdp5_ctl_get_ctl_id(struct mdp5_ctl *ctl);
37
38struct mdp5_interface;
39int mdp5_ctl_set_intf(struct mdp5_ctl *ctl, struct mdp5_interface *intf);
40int mdp5_ctl_set_encoder_state(struct mdp5_ctl *ctl, bool enabled);
41
42int mdp5_ctl_set_cursor(struct mdp5_ctl *ctl, int cursor_id, bool enable);
43
44/*
45 * blend_cfg (LM blender config):
46 *
47 * The function below allows the caller of mdp5_ctl_blend() to specify how pipes
48 * are being blended according to their stage (z-order), through @blend_cfg arg.
49 */
50static inline u32 mdp_ctl_blend_mask(enum mdp5_pipe pipe,
51		enum mdp_mixer_stage_id stage)
52{
53	switch (pipe) {
54	case SSPP_VIG0: return MDP5_CTL_LAYER_REG_VIG0(stage);
55	case SSPP_VIG1: return MDP5_CTL_LAYER_REG_VIG1(stage);
56	case SSPP_VIG2: return MDP5_CTL_LAYER_REG_VIG2(stage);
57	case SSPP_RGB0: return MDP5_CTL_LAYER_REG_RGB0(stage);
58	case SSPP_RGB1: return MDP5_CTL_LAYER_REG_RGB1(stage);
59	case SSPP_RGB2: return MDP5_CTL_LAYER_REG_RGB2(stage);
60	case SSPP_DMA0: return MDP5_CTL_LAYER_REG_DMA0(stage);
61	case SSPP_DMA1: return MDP5_CTL_LAYER_REG_DMA1(stage);
62	case SSPP_VIG3: return MDP5_CTL_LAYER_REG_VIG3(stage);
63	case SSPP_RGB3: return MDP5_CTL_LAYER_REG_RGB3(stage);
64	default:	return 0;
65	}
66}
67
68/*
69 * mdp5_ctl_blend() - Blend multiple layers on a Layer Mixer (LM)
70 *
71 * @blend_cfg: see LM blender config definition below
72 *
73 * Note:
74 * CTL registers need to be flushed after calling this function
75 * (call mdp5_ctl_commit() with mdp_ctl_flush_mask_ctl() mask)
76 */
77int mdp5_ctl_blend(struct mdp5_ctl *ctl, u32 lm, u32 blend_cfg);
78
79/**
80 * mdp_ctl_flush_mask...() - Register FLUSH masks
81 *
82 * These masks are used to specify which block(s) need to be flushed
83 * through @flush_mask parameter in mdp5_ctl_commit(.., flush_mask).
84 */
85u32 mdp_ctl_flush_mask_lm(int lm);
86u32 mdp_ctl_flush_mask_pipe(enum mdp5_pipe pipe);
87u32 mdp_ctl_flush_mask_cursor(int cursor_id);
88u32 mdp_ctl_flush_mask_encoder(struct mdp5_interface *intf);
89
90/* @flush_mask: see CTL flush masks definitions below */
91int mdp5_ctl_commit(struct mdp5_ctl *ctl, u32 flush_mask);
92
93void mdp5_ctl_release(struct mdp5_ctl *ctl);
94
95
96
97#endif /* __MDP5_CTL_H__ */
98