4 * Copyright (C) 2001 Ralph Metzler <ralph@convergence.de>
5 * & Marcus Metzler <marcus@convergence.de>
6 for convergence integrated media GmbH
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Lesser Public License
10 * as published by the Free Software Foundation; either version 2.1
11 * of the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
28 // All functions return -2 on "not open"
30 // Disables OSD and releases the buffers
31 // returns 0 on success
32 OSD_Open, // (x0,y0,x1,y1,BitPerPixel[2/4/8](color&0x0F),mix[0..15](color&0xF0))
33 // Opens OSD with this size and bit depth
34 // returns 0 on success, -1 on DRAM allocation error, -2 on "already open"
37 // returns 0 on success
40 // returns 0 on success
42 // Sets all pixel to color 0
43 // returns 0 on success
45 // Sets all pixel to color <col>
46 // returns 0 on success
47 OSD_SetColor, // (color,R{x0},G{y0},B{x1},opacity{y1})
48 // set palette entry <num> to <r,g,b>, <mix> and <trans> apply
50 // R=Red, G=Green, B=Blue
51 // opacity=0: pixel opacity 0% (only video pixel shows)
52 // opacity=1..254: pixel opacity as specified in header
53 // opacity=255: pixel opacity 100% (only OSD pixel shows)
54 // returns 0 on success, -1 on error
55 OSD_SetPalette, // (firstcolor{color},lastcolor{x0},data)
56 // Set a number of entries in the palette
57 // sets the entries "firstcolor" through "lastcolor" from the array "data"
58 // data has 4 byte for each color:
59 // R,G,B, and a opacity value: 0->transparent, 1..254->mix, 255->pixel
60 OSD_SetTrans, // (transparency{color})
61 // Sets transparency of mixed pixel (0..15)
62 // returns 0 on success
63 OSD_SetPixel, // (x0,y0,color)
64 // sets pixel <x>,<y> to color number <col>
65 // returns 0 on success, -1 on error
66 OSD_GetPixel, // (x0,y0)
67 // returns color number of pixel <x>,<y>, or -1
68 OSD_SetRow, // (x0,y0,x1,data)
69 // fills pixels x0,y through x1,y with the content of data[]
70 // returns 0 on success, -1 on clipping all pixel (no pixel drawn)
71 OSD_SetBlock, // (x0,y0,x1,y1,increment{color},data)
72 // fills pixels x0,y0 through x1,y1 with the content of data[]
73 // inc contains the width of one line in the data block,
74 // inc<=0 uses blockwidth as linewidth
75 // returns 0 on success, -1 on clipping all pixel
76 OSD_FillRow, // (x0,y0,x1,color)
77 // fills pixels x0,y through x1,y with the color <col>
78 // returns 0 on success, -1 on clipping all pixel
79 OSD_FillBlock, // (x0,y0,x1,y1,color)
80 // fills pixels x0,y0 through x1,y1 with the color <col>
81 // returns 0 on success, -1 on clipping all pixel
82 OSD_Line, // (x0,y0,x1,y1,color)
83 // draw a line from x0,y0 to x1,y1 with the color <col>
84 // returns 0 on success
85 OSD_Query, // (x0,y0,x1,y1,xasp{color}}), yasp=11
86 // fills parameters with the picture dimensions and the pixel aspect ratio
87 // returns 0 on success
89 // draws a test picture. for debugging purposes only
90 // returns 0 on success
91 // TODO: remove "test" in final version
92 OSD_Text, // (x0,y0,size,color,text)
93 OSD_SetWindow, // (x0) set window with number 0<x0<8 as current
94 OSD_MoveWindow, // move current window to (x0, y0)
97 typedef struct osd_cmd_s {
108 #define OSD_SEND_CMD _IOW('o', 160, osd_cmd_t)