display/delta.h

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/**
 * File Name  : delta.h
 *
 * Description: Delta driver for iOn platform
 */

/*
 * This file is part of display.
 *
 * display is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * display is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

/**
 * Copyright (C) 2008 iRex Technologies B.V.
 * All rights reserved.
 */

#include <linux/ioctl.h>

#define WAVEFORM_SIZE       (128*1024)

#define DEPTH_1BPP          (1)
#define DEPTH_2BPP          (2)
#define DEPTH_4BPP          (4)

#define WAVEFORM_4BPP_IMAGE (1)
#define WAVEFORM_DRAW       (4)

struct display_update_info 
{
    int waveform;
    int color;
};

struct point_info
{
    unsigned short x;
    unsigned short y;
    unsigned char  size;
    unsigned char  color;
    unsigned char  pen_down;
};

struct wave_info
{
    int wave_type;
    unsigned long size;
    char *wave;
};    

#define PIXELBUFSIZE 25
struct transfer_buffer 
{
        unsigned int count;
        struct point_info point_list [PIXELBUFSIZE];
};

struct brush_draw_info
{
    /* Parameters refering to the brush source picture, as stored in the DELTA SRAM */
    unsigned short sourcex;
    unsigned short sourcey;
    unsigned short sizex;
    unsigned short sizey;
    /* Parameters refering to the destination position of the brush on the screen. */
    unsigned short destx;
    unsigned short desty;
    /* Parameter that specifies the two LSB's of the brush. 
     * The MSB's are specified by the brush image as stored in the DELTA SRAM 
     */
    unsigned short brushlsb;
};

struct busy_info
{
    unsigned short delay;
    unsigned short x;
    unsigned short y;
};

#define FBIO_DELTA_BASE                   'v'
#define FBIO_DELTA_UPDATE_DISPLAY         _IOW(FBIO_DELTA_BASE, 1, struct display_update_info)
#define FBIO_DELTA_ERASE                  _IOW(FBIO_DELTA_BASE, 2, struct display_update_info)
#define FBIO_DELTA_DRAWMODE_PIXELS        _IOW(FBIO_DELTA_BASE, 3, struct transfer_buffer)
#define FBIO_DELTA_BUSY                _IOW(FBIO_DELTA_BASE, 4, struct busy_info) 
#define FBIO_DELTA_PROGRESS            _IOW(FBIO_DELTA_BASE, 5, int)
#define FBIO_DRAW_BRUSH_GENERIC         _IOW(FBIO_DELTA_BASE, 9, struct brush_draw_info)
#define FBIO_DELTA_REDRAW              _IOW(FBIO_DELTA_BASE, 10, struct display_update_info)
/* Temporary experimental IOCTLs */
#define FBIO_DELTA_UPLOADWAVES          _IOW(FBIO_DELTA_BASE, 1001, struct wave_info)
#define FBIO_DETA_VCOM_SET              _IOW(FBIO_DELTA_BASE, 1002, signed long)
#define FBIO_DETA_FPGA_VERSION          _IOR(FBIO_DELTA_BASE, 1003, unsigned int)
#define FBIO_DELTA_INIT             _IOR(FBIO_DELTA_BASE, 1004, int)
#define FBIO_DELTA_REG_DUMP            _IOR(FBIO_DELTA_BASE, 1005, int)
#define FBIO_DELTA_REG_WRITE        _IOR(FBIO_DELTA_BASE, 1006, unsigned long)