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Filename : osd.h
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/* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */
/*
 * osd.h - DEPRECATED On Screen Display API
 *
 * NOTE: should not be used on future drivers
 *
 * Copyright (C) 2001 Ralph  Metzler <ralph@convergence.de>
 *                  & Marcus Metzler <marcus@convergence.de>
 *                    for convergence integrated media GmbH
 */

#ifndef _DVBOSD_H_
#define _DVBOSD_H_

#include <linux/compiler.h>

typedef enum {
	/* All functions return -2 on "not open" */
	OSD_Close = 1,	/* () */
	/*
	 * Disables OSD and releases the buffers
	 * returns 0 on success
	 */
	OSD_Open,	/* (x0,y0,x1,y1,BitPerPixel[2/4/8](color&0x0F),mix[0..15](color&0xF0)) */
	/*
	 * Opens OSD with this size and bit depth
	 * returns 0 on success, -1 on DRAM allocation error, -2 on "already open"
	 */
	OSD_Show,	/* () */
	/*
	 * enables OSD mode
	 * returns 0 on success
	 */
	OSD_Hide,	/* () */
	/*
	 * disables OSD mode
	 * returns 0 on success
	 */
	OSD_Clear,	/* () */
	/*
	 * Sets all pixel to color 0
	 * returns 0 on success
	 */
	OSD_Fill,	/* (color) */
	/*
	 * Sets all pixel to color <col>
	 * returns 0 on success
	 */
	OSD_SetColor,	/* (color,R{x0},G{y0},B{x1},opacity{y1}) */
	/*
	 * set palette entry <num> to <r,g,b>, <mix> and <trans> apply
	 * R,G,B: 0..255
	 * R=Red, G=Green, B=Blue
	 * opacity=0:      pixel opacity 0% (only video pixel shows)
	 * opacity=1..254: pixel opacity as specified in header
	 * opacity=255:    pixel opacity 100% (only OSD pixel shows)
	 * returns 0 on success, -1 on error
	 */
	OSD_SetPalette,	/* (firstcolor{color},lastcolor{x0},data) */
	/*
	 * Set a number of entries in the palette
	 * sets the entries "firstcolor" through "lastcolor" from the array "data"
	 * data has 4 byte for each color:
	 * R,G,B, and a opacity value: 0->transparent, 1..254->mix, 255->pixel
	 */
	OSD_SetTrans,	/* (transparency{color}) */
	/*
	 * Sets transparency of mixed pixel (0..15)
	 * returns 0 on success
	 */
	OSD_SetPixel,	/* (x0,y0,color) */
	/*
	 * sets pixel <x>,<y> to color number <col>
	 * returns 0 on success, -1 on error
	 */
	OSD_GetPixel,	/* (x0,y0) */
	/* returns color number of pixel <x>,<y>,  or -1 */
	OSD_SetRow,	/* (x0,y0,x1,data) */
	/*
	 * fills pixels x0,y through  x1,y with the content of data[]
	 * returns 0 on success, -1 on clipping all pixel (no pixel drawn)
	 */
	OSD_SetBlock,	/* (x0,y0,x1,y1,increment{color},data) */
	/*
	 * fills pixels x0,y0 through  x1,y1 with the content of data[]
	 * inc contains the width of one line in the data block,
	 * inc<=0 uses blockwidth as linewidth
	 * returns 0 on success, -1 on clipping all pixel
	 */
	OSD_FillRow,	/* (x0,y0,x1,color) */
	/*
	 * fills pixels x0,y through  x1,y with the color <col>
	 * returns 0 on success, -1 on clipping all pixel
	 */
	OSD_FillBlock,	/* (x0,y0,x1,y1,color) */
	/*
	 * fills pixels x0,y0 through  x1,y1 with the color <col>
	 * returns 0 on success, -1 on clipping all pixel
	 */
	OSD_Line,	/* (x0,y0,x1,y1,color) */
	/*
	 * draw a line from x0,y0 to x1,y1 with the color <col>
	 * returns 0 on success
	 */
	OSD_Query,	/* (x0,y0,x1,y1,xasp{color}}), yasp=11 */
	/*
	 * fills parameters with the picture dimensions and the pixel aspect ratio
	 * returns 0 on success
	 */
	OSD_Test,       /* () */
	/*
	 * draws a test picture. for debugging purposes only
	 * returns 0 on success
	 * TODO: remove "test" in final version
	 */
	OSD_Text,	/* (x0,y0,size,color,text) */
	OSD_SetWindow,	/* (x0) set window with number 0<x0<8 as current */
	OSD_MoveWindow,	/* move current window to (x0, y0) */
	OSD_OpenRaw,	/* Open other types of OSD windows */
} OSD_Command;

typedef struct osd_cmd_s {
	OSD_Command cmd;
	int x0;
	int y0;
	int x1;
	int y1;
	int color;
	void __user *data;
} osd_cmd_t;

/* OSD_OpenRaw: set 'color' to desired window type */
typedef enum {
	OSD_BITMAP1,           /* 1 bit bitmap */
	OSD_BITMAP2,           /* 2 bit bitmap */
	OSD_BITMAP4,           /* 4 bit bitmap */
	OSD_BITMAP8,           /* 8 bit bitmap */
	OSD_BITMAP1HR,         /* 1 Bit bitmap half resolution */
	OSD_BITMAP2HR,         /* 2 bit bitmap half resolution */
	OSD_BITMAP4HR,         /* 4 bit bitmap half resolution */
	OSD_BITMAP8HR,         /* 8 bit bitmap half resolution */
	OSD_YCRCB422,          /* 4:2:2 YCRCB Graphic Display */
	OSD_YCRCB444,          /* 4:4:4 YCRCB Graphic Display */
	OSD_YCRCB444HR,        /* 4:4:4 YCRCB graphic half resolution */
	OSD_VIDEOTSIZE,        /* True Size Normal MPEG Video Display */
	OSD_VIDEOHSIZE,        /* MPEG Video Display Half Resolution */
	OSD_VIDEOQSIZE,        /* MPEG Video Display Quarter Resolution */
	OSD_VIDEODSIZE,        /* MPEG Video Display Double Resolution */
	OSD_VIDEOTHSIZE,       /* True Size MPEG Video Display Half Resolution */
	OSD_VIDEOTQSIZE,       /* True Size MPEG Video Display Quarter Resolution*/
	OSD_VIDEOTDSIZE,       /* True Size MPEG Video Display Double Resolution */
	OSD_VIDEONSIZE,        /* Full Size MPEG Video Display */
	OSD_CURSOR             /* Cursor */
} osd_raw_window_t;

typedef struct osd_cap_s {
	int  cmd;
#define OSD_CAP_MEMSIZE         1  /* memory size */
	long val;
} osd_cap_t;


#define OSD_SEND_CMD            _IOW('o', 160, osd_cmd_t)
#define OSD_GET_CAPABILITY      _IOR('o', 161, osd_cap_t)

#endif