root/include/uapi/linux/dvb/osd.h
/* 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