1 /* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */
2 /*
3  * osd.h - DEPRECATED On Screen Display API
4  *
5  * NOTE: should not be used on future drivers
6  *
7  * Copyright (C) 2001 Ralph  Metzler <ralph@convergence.de>
8  *                  & Marcus Metzler <marcus@convergence.de>
9  *                    for convergence integrated media GmbH
10  *
11  * This program is free software; you can redistribute it and/or
12  * modify it under the terms of the GNU General Lesser Public License
13  * as published by the Free Software Foundation; either version 2.1
14  * of the License, or (at your option) any later version.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU Lesser General Public License
22  * along with this program; if not, write to the Free Software
23  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
24  *
25  */
26 
27 #ifndef _DVBOSD_H_
28 #define _DVBOSD_H_
29 
30 #include <linux/compiler.h>
31 
32 typedef enum {
33 	/* All functions return -2 on "not open" */
34 	OSD_Close = 1,	/* () */
35 	/*
36 	 * Disables OSD and releases the buffers
37 	 * returns 0 on success
38 	 */
39 	OSD_Open,	/* (x0,y0,x1,y1,BitPerPixel[2/4/8](color&0x0F),mix[0..15](color&0xF0)) */
40 	/*
41 	 * Opens OSD with this size and bit depth
42 	 * returns 0 on success, -1 on DRAM allocation error, -2 on "already open"
43 	 */
44 	OSD_Show,	/* () */
45 	/*
46 	 * enables OSD mode
47 	 * returns 0 on success
48 	 */
49 	OSD_Hide,	/* () */
50 	/*
51 	 * disables OSD mode
52 	 * returns 0 on success
53 	 */
54 	OSD_Clear,	/* () */
55 	/*
56 	 * Sets all pixel to color 0
57 	 * returns 0 on success
58 	 */
59 	OSD_Fill,	/* (color) */
60 	/*
61 	 * Sets all pixel to color <col>
62 	 * returns 0 on success
63 	 */
64 	OSD_SetColor,	/* (color,R{x0},G{y0},B{x1},opacity{y1}) */
65 	/*
66 	 * set palette entry <num> to <r,g,b>, <mix> and <trans> apply
67 	 * R,G,B: 0..255
68 	 * R=Red, G=Green, B=Blue
69 	 * opacity=0:      pixel opacity 0% (only video pixel shows)
70 	 * opacity=1..254: pixel opacity as specified in header
71 	 * opacity=255:    pixel opacity 100% (only OSD pixel shows)
72 	 * returns 0 on success, -1 on error
73 	 */
74 	OSD_SetPalette,	/* (firstcolor{color},lastcolor{x0},data) */
75 	/*
76 	 * Set a number of entries in the palette
77 	 * sets the entries "firstcolor" through "lastcolor" from the array "data"
78 	 * data has 4 byte for each color:
79 	 * R,G,B, and a opacity value: 0->transparent, 1..254->mix, 255->pixel
80 	 */
81 	OSD_SetTrans,	/* (transparency{color}) */
82 	/*
83 	 * Sets transparency of mixed pixel (0..15)
84 	 * returns 0 on success
85 	 */
86 	OSD_SetPixel,	/* (x0,y0,color) */
87 	/*
88 	 * sets pixel <x>,<y> to color number <col>
89 	 * returns 0 on success, -1 on error
90 	 */
91 	OSD_GetPixel,	/* (x0,y0) */
92 	/* returns color number of pixel <x>,<y>,  or -1 */
93 	OSD_SetRow,	/* (x0,y0,x1,data) */
94 	/*
95 	 * fills pixels x0,y through  x1,y with the content of data[]
96 	 * returns 0 on success, -1 on clipping all pixel (no pixel drawn)
97 	 */
98 	OSD_SetBlock,	/* (x0,y0,x1,y1,increment{color},data) */
99 	/*
100 	 * fills pixels x0,y0 through  x1,y1 with the content of data[]
101 	 * inc contains the width of one line in the data block,
102 	 * inc<=0 uses blockwidth as linewidth
103 	 * returns 0 on success, -1 on clipping all pixel
104 	 */
105 	OSD_FillRow,	/* (x0,y0,x1,color) */
106 	/*
107 	 * fills pixels x0,y through  x1,y with the color <col>
108 	 * returns 0 on success, -1 on clipping all pixel
109 	 */
110 	OSD_FillBlock,	/* (x0,y0,x1,y1,color) */
111 	/*
112 	 * fills pixels x0,y0 through  x1,y1 with the color <col>
113 	 * returns 0 on success, -1 on clipping all pixel
114 	 */
115 	OSD_Line,	/* (x0,y0,x1,y1,color) */
116 	/*
117 	 * draw a line from x0,y0 to x1,y1 with the color <col>
118 	 * returns 0 on success
119 	 */
120 	OSD_Query,	/* (x0,y0,x1,y1,xasp{color}}), yasp=11 */
121 	/*
122 	 * fills parameters with the picture dimensions and the pixel aspect ratio
123 	 * returns 0 on success
124 	 */
125 	OSD_Test,       /* () */
126 	/*
127 	 * draws a test picture. for debugging purposes only
128 	 * returns 0 on success
129 	 * TODO: remove "test" in final version
130 	 */
131 	OSD_Text,	/* (x0,y0,size,color,text) */
132 	OSD_SetWindow,	/* (x0) set window with number 0<x0<8 as current */
133 	OSD_MoveWindow,	/* move current window to (x0, y0) */
134 	OSD_OpenRaw,	/* Open other types of OSD windows */
135 } OSD_Command;
136 
137 typedef struct osd_cmd_s {
138 	OSD_Command cmd;
139 	int x0;
140 	int y0;
141 	int x1;
142 	int y1;
143 	int color;
144 	void __user *data;
145 } osd_cmd_t;
146 
147 /* OSD_OpenRaw: set 'color' to desired window type */
148 typedef enum {
149 	OSD_BITMAP1,           /* 1 bit bitmap */
150 	OSD_BITMAP2,           /* 2 bit bitmap */
151 	OSD_BITMAP4,           /* 4 bit bitmap */
152 	OSD_BITMAP8,           /* 8 bit bitmap */
153 	OSD_BITMAP1HR,         /* 1 Bit bitmap half resolution */
154 	OSD_BITMAP2HR,         /* 2 bit bitmap half resolution */
155 	OSD_BITMAP4HR,         /* 4 bit bitmap half resolution */
156 	OSD_BITMAP8HR,         /* 8 bit bitmap half resolution */
157 	OSD_YCRCB422,          /* 4:2:2 YCRCB Graphic Display */
158 	OSD_YCRCB444,          /* 4:4:4 YCRCB Graphic Display */
159 	OSD_YCRCB444HR,        /* 4:4:4 YCRCB graphic half resolution */
160 	OSD_VIDEOTSIZE,        /* True Size Normal MPEG Video Display */
161 	OSD_VIDEOHSIZE,        /* MPEG Video Display Half Resolution */
162 	OSD_VIDEOQSIZE,        /* MPEG Video Display Quarter Resolution */
163 	OSD_VIDEODSIZE,        /* MPEG Video Display Double Resolution */
164 	OSD_VIDEOTHSIZE,       /* True Size MPEG Video Display Half Resolution */
165 	OSD_VIDEOTQSIZE,       /* True Size MPEG Video Display Quarter Resolution*/
166 	OSD_VIDEOTDSIZE,       /* True Size MPEG Video Display Double Resolution */
167 	OSD_VIDEONSIZE,        /* Full Size MPEG Video Display */
168 	OSD_CURSOR             /* Cursor */
169 } osd_raw_window_t;
170 
171 typedef struct osd_cap_s {
172 	int  cmd;
173 #define OSD_CAP_MEMSIZE         1  /* memory size */
174 	long val;
175 } osd_cap_t;
176 
177 
178 #define OSD_SEND_CMD            _IOW('o', 160, osd_cmd_t)
179 #define OSD_GET_CAPABILITY      _IOR('o', 161, osd_cap_t)
180 
181 #endif
182