fb.c File Reference

Include dependency graph for fb.c:

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Defines
#define	COL_WIDTH   8
#define	ROW_BYTES   (scanline * FONT_SCANLINES)
#define	BGCOLOR   0x000080
#define	FGCOLOR   0xffff00
#define	LOGOCOLOR   0x2020b0
#define	RED(x, bits)   ((x >> (16 + 8 - bits)) & ((1 << bits) - 1))
#define	GREEN(x, bits)   ((x >> (8 + 8 - bits)) & ((1 << bits) - 1))
#define	BLUE(x, bits)   ((x >> (8 - bits)) & ((1 << bits) - 1))
#define	POINTPOS(x, y)   ((y) * scanline + (x) * pixelbytes)
Functions
	SPINLOCK_INITIALIZE (fb_lock)
static void	rgb_4byte (void *dst, int rgb)
static int	byte4_rgb (void *src)
static void	rgb_3byte (void *dst, int rgb)
static int	byte3_rgb (void *src)
static void	rgb_2byte (void *dst, int rgb)
static int	byte2_rgb (void *src)
static void	rgb_1byte (void *dst, int rgb)
static int	byte1_rgb (void *src)
static void	putpixel (unsigned int x, unsigned int y, int color)
static int	getpixel (unsigned int x, unsigned int y)
static void	clear_screen (void)
static void	scroll_screen (void)
static void	invert_pixel (unsigned int x, unsigned int y)
static void	draw_glyph_line (unsigned int glline, unsigned int x, unsigned int y)
static void	draw_glyph (__u8 glyph, unsigned int col, unsigned int row)
static void	invert_char (unsigned int col, unsigned int row)
static void	draw_char (char chr)
static void	draw_logo (unsigned int startx, unsigned int starty)
static void	invert_cursor (void)
static void	fb_putchar (chardev_t *dev, char ch)
void	fb_init (__address addr, unsigned int x, unsigned int y, unsigned int bpp, unsigned int scan)
Variables
static __u8 *	fbaddress = NULL
static __u8 *	blankline = NULL
static __u8 *	dbbuffer = NULL
static int	dboffset
static unsigned int	xres = 0
static unsigned int	yres = 0
static unsigned int	scanline = 0
static unsigned int	bitspp = 0
static unsigned int	pixelbytes = 0
static unsigned int	position = 0
static unsigned int	columns = 0
static unsigned int	rows = 0
static void(*	rgb2scr )(void *, int)
static int(*	scr2rgb )(void *)
static chardev_t	framebuffer
static chardev_operations_t	fb_ops

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Detailed Description

Definition in file fb.c.

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