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192.168.1.100 / T108 / c2023d5d03be91dbb983606f0ec5e9e4ea36c8c2 / . / marvell / linux / include / media / davinci / vpbe_display.h
blob: 56d05a855140ef0971be561fe4e1ec5b4f5314a3 [file] [log] [blame]
b.liue9582032025-04-17 19:18:16 +0800[diff] [blame]1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
4 */
5#ifndef VPBE_DISPLAY_H
6#define VPBE_DISPLAY_H
7
8/* Header files */
9#include <linux/videodev2.h>
10#include <media/v4l2-common.h>
11#include <media/v4l2-fh.h>
12#include <media/videobuf2-v4l2.h>
13#include <media/videobuf2-dma-contig.h>
14#include <media/davinci/vpbe_types.h>
15#include <media/davinci/vpbe_osd.h>
16#include <media/davinci/vpbe.h>
17
18#define VPBE_DISPLAY_MAX_DEVICES 2
19
20enum vpbe_display_device_id {
21 VPBE_DISPLAY_DEVICE_0,
22 VPBE_DISPLAY_DEVICE_1
23};
24
25#define VPBE_DISPLAY_DRV_NAME "vpbe-display"
26
27#define VPBE_DISPLAY_MAJOR_RELEASE 1
28#define VPBE_DISPLAY_MINOR_RELEASE 0
29#define VPBE_DISPLAY_BUILD 1
30#define VPBE_DISPLAY_VERSION_CODE ((VPBE_DISPLAY_MAJOR_RELEASE << 16) | \
31 (VPBE_DISPLAY_MINOR_RELEASE << 8) | \
32 VPBE_DISPLAY_BUILD)
33
34#define VPBE_DISPLAY_VALID_FIELD(field) ((V4L2_FIELD_NONE == field) || \
35 (V4L2_FIELD_ANY == field) || (V4L2_FIELD_INTERLACED == field))
36
37/* Exp ratio numerator and denominator constants */
38#define VPBE_DISPLAY_H_EXP_RATIO_N 9
39#define VPBE_DISPLAY_H_EXP_RATIO_D 8
40#define VPBE_DISPLAY_V_EXP_RATIO_N 6
41#define VPBE_DISPLAY_V_EXP_RATIO_D 5
42
43/* Zoom multiplication factor */
44#define VPBE_DISPLAY_ZOOM_4X 4
45#define VPBE_DISPLAY_ZOOM_2X 2
46
47/* Structures */
48struct display_layer_info {
49 int enable;
50 /* Layer ID used by Display Manager */
51 enum osd_layer id;
52 struct osd_layer_config config;
53 enum osd_zoom_factor h_zoom;
54 enum osd_zoom_factor v_zoom;
55 enum osd_h_exp_ratio h_exp;
56 enum osd_v_exp_ratio v_exp;
57};
58
59struct vpbe_disp_buffer {
60 struct vb2_v4l2_buffer vb;
61 struct list_head list;
62};
63
64/* vpbe display object structure */
65struct vpbe_layer {
66 /* Pointer to the vpbe_display */
67 struct vpbe_display *disp_dev;
68 /* Pointer pointing to current v4l2_buffer */
69 struct vpbe_disp_buffer *cur_frm;
70 /* Pointer pointing to next v4l2_buffer */
71 struct vpbe_disp_buffer *next_frm;
72 /* videobuf specific parameters
73 * Buffer queue used in video-buf
74 */
75 struct vb2_queue buffer_queue;
76 /* Queue of filled frames */
77 struct list_head dma_queue;
78 /* Used in video-buf */
79 spinlock_t irqlock;
80 /* V4l2 specific parameters */
81 /* Identifies video device for this layer */
82 struct video_device video_dev;
83 /* Used to store pixel format */
84 struct v4l2_pix_format pix_fmt;
85 enum v4l2_field buf_field;
86 /* Video layer configuration params */
87 struct display_layer_info layer_info;
88 /* vpbe specific parameters
89 * enable window for display
90 */
91 unsigned char window_enable;
92 /* number of open instances of the layer */
93 unsigned int usrs;
94 /* Indicates id of the field which is being displayed */
95 unsigned int field_id;
96 /* Identifies device object */
97 enum vpbe_display_device_id device_id;
98 /* facilitation of ioctl ops lock by v4l2*/
99 struct mutex opslock;
100 u8 layer_first_int;
101};
102
103/* vpbe device structure */
104struct vpbe_display {
105 /* layer specific parameters */
106 /* lock for isr updates to buf layers*/
107 spinlock_t dma_queue_lock;
108 /* C-Plane offset from start of y-plane */
109 unsigned int cbcr_ofst;
110 struct vpbe_layer *dev[VPBE_DISPLAY_MAX_DEVICES];
111 struct vpbe_device *vpbe_dev;
112 struct osd_state *osd_device;
113};
114
115struct buf_config_params {
116 unsigned char min_numbuffers;
117 unsigned char numbuffers[VPBE_DISPLAY_MAX_DEVICES];
118 unsigned int min_bufsize[VPBE_DISPLAY_MAX_DEVICES];
119 unsigned int layer_bufsize[VPBE_DISPLAY_MAX_DEVICES];
120};
121
122#endif /* VPBE_DISPLAY_H */