1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
4  * Copyright (C) 2013 Red Hat
5  * Author: Rob Clark <robdclark@gmail.com>
6  */
7 
8 #ifndef _DPU_PLANE_H_
9 #define _DPU_PLANE_H_
10 
11 #include <drm/drm_crtc.h>
12 
13 #include "dpu_kms.h"
14 #include "dpu_hw_mdss.h"
15 #include "dpu_hw_sspp.h"
16 
17 /**
18  * struct dpu_plane_state: Define dpu extension of drm plane state object
19  * @base:	base drm plane state object
20  * @aspace:	pointer to address space for input/output buffers
21  * @pipe:	software pipe description
22  * @r_pipe:	software pipe description of the second pipe
23  * @pipe_cfg:	software pipe configuration
24  * @r_pipe_cfg:	software pipe configuration for the second pipe
25  * @stage:	assigned by crtc blender
26  * @needs_qos_remap: qos remap settings need to be updated
27  * @multirect_index: index of the rectangle of SSPP
28  * @multirect_mode: parallel or time multiplex multirect mode
29  * @pending:	whether the current update is still pending
30  * @plane_fetch_bw: calculated BW per plane
31  * @plane_clk: calculated clk per plane
32  * @needs_dirtyfb: whether attached CRTC needs pixel data explicitly flushed
33  * @rotation: simplified drm rotation hint
34  */
35 struct dpu_plane_state {
36 	struct drm_plane_state base;
37 	struct msm_gem_address_space *aspace;
38 	struct dpu_sw_pipe pipe;
39 	struct dpu_sw_pipe r_pipe;
40 	struct dpu_sw_pipe_cfg pipe_cfg;
41 	struct dpu_sw_pipe_cfg r_pipe_cfg;
42 	enum dpu_stage stage;
43 	bool needs_qos_remap;
44 	bool pending;
45 
46 	u64 plane_fetch_bw;
47 	u64 plane_clk;
48 
49 	bool needs_dirtyfb;
50 	unsigned int rotation;
51 };
52 
53 #define to_dpu_plane_state(x) \
54 	container_of(x, struct dpu_plane_state, base)
55 
56 /**
57  * dpu_plane_flush - final plane operations before commit flush
58  * @plane: Pointer to drm plane structure
59  */
60 void dpu_plane_flush(struct drm_plane *plane);
61 
62 /**
63  * dpu_plane_set_error: enable/disable error condition
64  * @plane: pointer to drm_plane structure
65  */
66 void dpu_plane_set_error(struct drm_plane *plane, bool error);
67 
68 /**
69  * dpu_plane_init - create new dpu plane for the given pipe
70  * @dev:   Pointer to DRM device
71  * @pipe:  dpu hardware pipe identifier
72  * @type:  Plane type - PRIMARY/OVERLAY/CURSOR
73  * @possible_crtcs: bitmask of crtc that can be attached to the given pipe
74  *
75  */
76 struct drm_plane *dpu_plane_init(struct drm_device *dev,
77 		uint32_t pipe, enum drm_plane_type type,
78 		unsigned long possible_crtcs);
79 
80 /**
81  * dpu_plane_color_fill - enables color fill on plane
82  * @plane:  Pointer to DRM plane object
83  * @color:  RGB fill color value, [23..16] Blue, [15..8] Green, [7..0] Red
84  * @alpha:  8-bit fill alpha value, 255 selects 100% alpha
85  * Returns: 0 on success
86  */
87 int dpu_plane_color_fill(struct drm_plane *plane,
88 		uint32_t color, uint32_t alpha);
89 
90 #ifdef CONFIG_DEBUG_FS
91 void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable);
92 #else
dpu_plane_danger_signal_ctrl(struct drm_plane * plane,bool enable)93 static inline void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable) {}
94 #endif
95 
96 #endif /* _DPU_PLANE_H_ */
97