diff --git a/headers/private/graphics/neomagic/DriverInterface.h b/headers/private/graphics/neomagic/DriverInterface.h
index e49a350045..313195049b 100644
--- a/headers/private/graphics/neomagic/DriverInterface.h
+++ b/headers/private/graphics/neomagic/DriverInterface.h
@@ -154,6 +154,7 @@ typedef struct {
 		uint32		last_idle;	/* last dwgsync slot we *know* the engine was idle after */ 
 		benaphore	lock;		/* for serializing access to the acceleration engine */
 		uint32		control;	/* colordepth, memory pitch and other config stuff */
+		uint8		depth;		/* bytes per pixel used */
 	} engine;
 
   /* card info - information gathered from PINS (and other sources) */
diff --git a/headers/private/graphics/neomagic/nm_macros.h b/headers/private/graphics/neomagic/nm_macros.h
index 9b9f0be799..96e43d023c 100644
--- a/headers/private/graphics/neomagic/nm_macros.h
+++ b/headers/private/graphics/neomagic/nm_macros.h
@@ -201,6 +201,7 @@
 /* NeoMagic PCI acceleration registers */
 #define NMACC_STATUS			0x0000
 #define NMACC_BLTCNTL			0x0004
+#define NMACC_FGCOLOR			0x000c
 #define NMACC_SRCSTARTOFF		0x0024
 #define NMACC_DSTSTARTOFF		0x002c
 #define NMACC_XYEXT				0x0030