Merge tag 'for-5.13-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave...
[linux-2.6-microblaze.git] / drivers / gpu / drm / sti / sti_plane.h
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 #include <drm/drm_plane_helper.h>
12
13 #define to_sti_plane(x) container_of(x, struct sti_plane, drm_plane)
14
15 #define STI_PLANE_TYPE_SHIFT 8
16 #define STI_PLANE_TYPE_MASK (~((1 << STI_PLANE_TYPE_SHIFT) - 1))
17
18 enum sti_plane_type {
19         STI_GDP = 1 << STI_PLANE_TYPE_SHIFT,
20         STI_VDP = 2 << STI_PLANE_TYPE_SHIFT,
21         STI_CUR = 3 << STI_PLANE_TYPE_SHIFT,
22         STI_BCK = 4 << STI_PLANE_TYPE_SHIFT
23 };
24
25 enum sti_plane_id_of_type {
26         STI_ID_0 = 0,
27         STI_ID_1 = 1,
28         STI_ID_2 = 2,
29         STI_ID_3 = 3
30 };
31
32 enum sti_plane_desc {
33         STI_GDP_0       = STI_GDP | STI_ID_0,
34         STI_GDP_1       = STI_GDP | STI_ID_1,
35         STI_GDP_2       = STI_GDP | STI_ID_2,
36         STI_GDP_3       = STI_GDP | STI_ID_3,
37         STI_HQVDP_0     = STI_VDP | STI_ID_0,
38         STI_CURSOR      = STI_CUR,
39         STI_BACK        = STI_BCK
40 };
41
42 enum sti_plane_status {
43         STI_PLANE_READY,
44         STI_PLANE_UPDATED,
45         STI_PLANE_DISABLING,
46         STI_PLANE_FLUSHING,
47         STI_PLANE_DISABLED,
48 };
49
50 #define FPS_LENGTH 128
51 struct sti_fps_info {
52         bool output;
53         unsigned int curr_frame_counter;
54         unsigned int last_frame_counter;
55         unsigned int curr_field_counter;
56         unsigned int last_field_counter;
57         ktime_t      last_timestamp;
58         char fps_str[FPS_LENGTH];
59         char fips_str[FPS_LENGTH];
60 };
61
62 /**
63  * STI plane structure
64  *
65  * @plane:              drm plane it is bound to (if any)
66  * @desc:               plane type & id
67  * @status:             to know the status of the plane
68  * @fps_info:           frame per second info
69  */
70 struct sti_plane {
71         struct drm_plane drm_plane;
72         enum sti_plane_desc desc;
73         enum sti_plane_status status;
74         struct sti_fps_info fps_info;
75 };
76
77 const char *sti_plane_to_str(struct sti_plane *plane);
78 void sti_plane_update_fps(struct sti_plane *plane,
79                           bool new_frame,
80                           bool new_field);
81
82 void sti_plane_init_property(struct sti_plane *plane,
83                              enum drm_plane_type type);
84 void sti_plane_reset(struct drm_plane *plane);
85 #endif