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/*
* xen/drivers/video/lfb.h
*
* Cross-platform framebuffer library
*
* Stefano Stabellini <stefano.stabellini@eu.citrix.com>
* Copyright (c) 2013 Citrix Systems.
*
* This program 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.
*
* This program 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.
*/
#ifndef _XEN_LFB_H
#define _XEN_LFB_H
#include <xen/init.h>
struct lfb_prop {
const struct font_desc *font;
unsigned char *lfb;
unsigned int pixel_on;
uint16_t width, height;
uint16_t bytes_per_line;
uint16_t bits_per_pixel;
void (*flush)(void);
unsigned int text_columns;
unsigned int text_rows;
};
void lfb_redraw_puts(const char *s);
void lfb_scroll_puts(const char *s);
void lfb_carriage_return(void);
void lfb_free(void);
/* initialize the framebuffer */
int lfb_init(struct lfb_prop *lfbp);
#endif
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