1 files changed, 87 insertions, 0 deletions
diff --git a/os/sa1110/gscreen.h b/os/sa1110/gscreen.h
new file mode 100644
index 00000000..7c1de585
--- /dev/null
+++ b/os/sa1110/gscreen.h
@@ -0,0 +1,87 @@
+typedef struct Cursor Cursor;
+typedef struct LCDmode LCDmode;
+typedef struct LCDparam LCDparam;
+typedef struct Vmode Vmode;
+typedef struct Physdisplay Physdisplay;
+typedef struct Physcursor Physcursor;
+
+#define CURSWID	16
+#define CURSHGT	16
+
+struct Cursor {
+	Point	offset;
+	uchar	clr[CURSWID/BI2BY*CURSHGT];
+	uchar	set[CURSWID/BI2BY*CURSHGT];
+};
+
+struct Vmode {
+	int	x;	/* 0 -> default or any match for all fields */
+	int	y;
+	uchar	depth;
+	uchar	hz;
+};
+
+struct Physdisplay {
+	uchar*	fb;		/* frame buffer */
+	ulong	colormap[256][3];
+	Rectangle	r;
+	int	bwid;
+	void*	aux;
+	Memimage*	gscreen;
+	Memsubfont*	memdefont;
+	Physcursor*	cursor;
+	void*	cdata;	/* cursor data */
+	Lock;
+	Vmode;
+};
+
+struct LCDparam {
+	uchar	pbs;
+	uchar	dual;
+	uchar	mono;
+	uchar	active;
+	uchar	hsync_wid;
+	uchar	sol_wait;
+	uchar	eol_wait;
+	uchar	vsync_hgt;
+	uchar	sof_wait;
+	uchar	eof_wait;
+	uchar	lines_per_int;
+	uchar	palette_delay;
+	uchar	acbias_lines;
+	uchar	obits;
+	uchar	vsynclow;
+	uchar	hsynclow;
+};
+
+struct LCDmode {
+	Vmode;
+	LCDparam;
+};
+
+int	archlcdmode(LCDmode*);
+
+Vdisplay	*lcd_init(LCDmode*);
+void	lcd_setcolor(ulong, ulong, ulong, ulong);
+void	lcd_flush(void);
+
+extern void	blankscreen(int);
+extern void	drawblankscreen(int);
+extern ulong blanktime;
+extern Point mousexy(void);
+
+enum {
+	Backgnd = 0xFF,	/* white */
+	Foregnd =	0x00,	/* black */
+};
+
+struct Physcursor {
+	char*	name;
+
+	void	(*create)(Physdisplay*);
+	void	(*enable)(Physdisplay*);
+	void	(*disable)(Physdisplay*);
+	void	(*load)(Physdisplay*, Cursor*);
+	int	(*move)(Physdisplay*, Point);
+	void	(*destroy)(Physdisplay*);
+};