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/*
* Copyright (c) 2000 - Rosimildo da Silva
*
* MODULE DESCRIPTION:
* Micro FrameBuffer interface for Embedded Systems.
*
* $Id$
*/
#ifndef _MW_FB_H
#define _MW_FB_H
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
/* ioctls
0x46 is 'F' */
#define FBIOGET_VSCREENINFO 0x4600
#define FBIOPUT_VSCREENINFO 0x4601
#define FBIOGET_FSCREENINFO 0x4602
#define FBIOGETCMAP 0x4604
#define FBIOPUTCMAP 0x4605
#define FB_EXEC_FUNCTION 0x4606
#define FBIOSWAPBUFFERS 0x4607
#define FBIOSETBUFFERMODE 0x4608
#define FB_SINGLE_BUFFERED 0
#define FB_TRIPLE_BUFFERED 1
#define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */
#define FB_TYPE_PLANES 1 /* Non interleaved planes */
#define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */
#define FB_TYPE_TEXT 3 /* Text/attributes */
#define FB_TYPE_VGA_PLANES 4 /* EGA/VGA planes */
#define FB_TYPE_VIRTUAL_BUFFER 5 /* Virtual Buffer */
#define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */
#define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */
#define FB_VISUAL_TRUECOLOR 2 /* True color */
#define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */
#define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */
#define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */
#define FB_ACCEL_NONE 0 /* no hardware accelerator */
struct fb_bitfield {
uint32_t offset; /* beginning of bitfield */
uint32_t length; /* length of bitfield */
uint32_t msb_right; /* != 0 : Most significant bit is */
/* right */
};
struct fb_var_screeninfo {
uint32_t xres; /* visible resolution */
uint32_t yres;
uint32_t bits_per_pixel; /* guess what */
struct fb_bitfield red; /* bitfield in fb mem if true color, */
struct fb_bitfield green; /* else only length is significant */
struct fb_bitfield blue;
struct fb_bitfield transp; /* transparency */
};
struct fb_fix_screeninfo {
volatile char *smem_start; /* Start of frame buffer mem */
/* (physical address) */
uint32_t smem_len; /* Length of frame buffer mem */
uint32_t type; /* see FB_TYPE_* */
uint32_t visual; /* see FB_VISUAL_* */
uint32_t line_length; /* number of chars per line */
};
struct fb_cmap {
uint32_t start; /* First entry */
uint32_t len; /* Number of entries */
uint16_t *red; /* Red values */
uint16_t *green;
uint16_t *blue;
uint16_t *transp; /* transparency, can be NULL */
};
#ifdef __cplusplus
}
#endif
#endif /* _MW_FB_H */
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