Import sources from 2011-03-30 iso image

1 files changed, 105 insertions, 0 deletions

diff --git a/sys/src/9/omap/screen.h b/sys/src/9/omap/screen.h
new file mode 100755
index 000000000..ba9b36bd3
--- /dev/null
+++ b/sys/src/9/omap/screen.h
@@ -0,0 +1,105 @@
+typedef struct Cursor Cursor;
+typedef struct Cursorinfo	Cursorinfo;
+typedef struct OScreen OScreen;
+typedef struct Omap3fb Omap3fb;
+typedef struct Settings Settings;
+
+struct Cursorinfo
+{
+	Cursor;
+	Lock;
+};
+
+extern Cursor	arrow;
+extern Cursorinfo cursor;
+
+/* devmouse.c */
+extern void mousetrack(int, int, int, int);
+extern Point mousexy(void);
+
+extern void	mouseaccelerate(int);
+extern void	mouseresize(void);
+
+/* screen.c */
+extern uchar* attachscreen(Rectangle*, ulong*, int*, int*, int*);
+extern void	flushmemscreen(Rectangle);
+extern int	cursoron(int);
+extern void	cursoroff(int);
+extern void	setcursor(Cursor*);
+extern int	screensize(int, int, int, ulong);
+extern int	screenaperture(int, int);
+extern Rectangle physgscreenr;	/* actual monitor size */
+extern void	blankscreen(int);
+
+extern void swcursorinit(void);
+extern void swcursorhide(void);
+extern void swcursoravoid(Rectangle);
+extern void swcursorunhide(void);
+
+/* devdraw.c */
+extern void	deletescreenimage(void);
+extern void	resetscreenimage(void);
+extern int		drawhasclients(void);
+extern ulong	blanktime;
+extern void	setscreenimageclipr(Rectangle);
+extern void	drawflush(void);
+extern int drawidletime(void);
+extern QLock	drawlock;
+
+#define ishwimage(i)	0		/* for ../port/devdraw.c */
+
+/* for communication between devdss.c and screen.c */
+
+enum {
+	/* maxima */
+	Wid		= 1280,
+	Ht		= 1024,
+	Depth		= 16,		/* bits per pixel */
+
+	Pcolours	= 256,		/* Palette */
+	Pred		= 0,
+	Pgreen		= 1,
+	Pblue		= 2,
+
+	Pblack		= 0x00,
+	Pwhite		= 0xFF,
+
+	/* settings indices */
+	Res800x600	= 0,
+	Res1024x768,
+	Res1280x1024,
+	Res1400x1050,
+};
+
+struct Settings {
+	uint	wid;		/* width in pixels */
+	uint	ht;		/* height in pixels */
+	uint	freq;		/* refresh frequency; only printed */
+	uint	chan;		/* draw chan */
+
+	/* shouldn't be needed? */
+	uint	pixelclock;
+
+	/* horizontal timing */
+	uint	hbp;		/* back porch: pixel clocks before scan line */
+	uint	hfp;		/* front porch: pixel clocks after scan line */
+	uint	hsw;		/* sync pulse width: more hfp */
+
+	/* vertical timing */
+	uint	vbp;		/* back porch: line clocks before frame */
+	uint	vfp;		/* front porch: line clocks after frame */
+	uint	vsw;		/* sync pulse width: more vfp */
+};
+
+struct OScreen {
+	Lock;
+	Cursor;
+	Settings *settings;
+	int	open;
+};
+
+struct Omap3fb {		/* frame buffer for 24-bit active color */
+//	short	palette[256];
+	/* pixel data, even; base type's width must match Depth */
+	ushort	pixel[Wid*Ht];
+};