1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* |
3 | * Copyright (C) STMicroelectronics SA 2014 |
4 | * Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics. |
5 | */ |
6 | |
7 | #ifndef _STI_PLANE_H_ |
8 | #define _STI_PLANE_H_ |
9 | |
10 | #include <drm/drm_atomic_helper.h> |
11 | |
12 | #define to_sti_plane(x) container_of(x, struct sti_plane, drm_plane) |
13 | |
14 | #define STI_PLANE_TYPE_SHIFT 8 |
15 | #define STI_PLANE_TYPE_MASK (~((1 << STI_PLANE_TYPE_SHIFT) - 1)) |
16 | |
17 | enum sti_plane_type { |
18 | STI_GDP = 1 << STI_PLANE_TYPE_SHIFT, |
19 | STI_VDP = 2 << STI_PLANE_TYPE_SHIFT, |
20 | STI_CUR = 3 << STI_PLANE_TYPE_SHIFT, |
21 | STI_BCK = 4 << STI_PLANE_TYPE_SHIFT |
22 | }; |
23 | |
24 | enum sti_plane_id_of_type { |
25 | STI_ID_0 = 0, |
26 | STI_ID_1 = 1, |
27 | STI_ID_2 = 2, |
28 | STI_ID_3 = 3 |
29 | }; |
30 | |
31 | enum sti_plane_desc { |
32 | STI_GDP_0 = STI_GDP | STI_ID_0, |
33 | STI_GDP_1 = STI_GDP | STI_ID_1, |
34 | STI_GDP_2 = STI_GDP | STI_ID_2, |
35 | STI_GDP_3 = STI_GDP | STI_ID_3, |
36 | STI_HQVDP_0 = STI_VDP | STI_ID_0, |
37 | STI_CURSOR = STI_CUR, |
38 | STI_BACK = STI_BCK |
39 | }; |
40 | |
41 | enum sti_plane_status { |
42 | STI_PLANE_READY, |
43 | STI_PLANE_UPDATED, |
44 | STI_PLANE_DISABLING, |
45 | STI_PLANE_FLUSHING, |
46 | STI_PLANE_DISABLED, |
47 | }; |
48 | |
49 | #define FPS_LENGTH 128 |
50 | struct sti_fps_info { |
51 | bool output; |
52 | unsigned int curr_frame_counter; |
53 | unsigned int last_frame_counter; |
54 | unsigned int curr_field_counter; |
55 | unsigned int last_field_counter; |
56 | ktime_t last_timestamp; |
57 | char fps_str[FPS_LENGTH]; |
58 | char fips_str[FPS_LENGTH]; |
59 | }; |
60 | |
61 | /** |
62 | * STI plane structure |
63 | * |
64 | * @plane: drm plane it is bound to (if any) |
65 | * @desc: plane type & id |
66 | * @status: to know the status of the plane |
67 | * @fps_info: frame per second info |
68 | */ |
69 | struct sti_plane { |
70 | struct drm_plane drm_plane; |
71 | enum sti_plane_desc desc; |
72 | enum sti_plane_status status; |
73 | struct sti_fps_info fps_info; |
74 | }; |
75 | |
76 | const char *sti_plane_to_str(struct sti_plane *plane); |
77 | void sti_plane_update_fps(struct sti_plane *plane, |
78 | bool new_frame, |
79 | bool new_field); |
80 | |
81 | void sti_plane_init_property(struct sti_plane *plane, |
82 | enum drm_plane_type type); |
83 | #endif |
84 | |