diff options
-rw-r--r-- | drivers/radeon/radeon.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/radeon/radeon.h b/drivers/radeon/radeon.h index e1a5e8dc67..03f01ad700 100644 --- a/drivers/radeon/radeon.h +++ b/drivers/radeon/radeon.h @@ -625,13 +625,23 @@ #define OV0_P2_X_START_END 0x0498 #define OV0_P3_X_START_END 0x049C #define OV0_FILTER_CNTL 0x04A0 +/* + radeon notes: + value 0x0 makes green background only + value 0x1 passes only green colors (probably U or V) + value 0x2 passes only red colors (probably U or V) + value 0x3 makes full colored output + value 0x4 ??? + value 0x8 ??? + value 0xffffffff doesn't make any visible effects +*/ #define OV0_FOUR_TAP_COEF_0 0x04B0 #define OV0_FOUR_TAP_COEF_1 0x04B4 #define OV0_FOUR_TAP_COEF_2 0x04B8 #define OV0_FOUR_TAP_COEF_3 0x04BC #define OV0_FOUR_TAP_COEF_4 0x04C0 -#define OV0_FLAG_CNTL 0x04DC -#define OV0_COLOUR_CNTL 0x04E0 +#define OV0_FLAG_CNTL 0x04DC /* probably wronly defined for radeons */ +#define OV0_COLOUR_CNTL 0x04E0 /* probably wronly defined for radeons */ #define OV0_VID_KEY_CLR 0x04E4 #define OV0_VID_KEY_MSK 0x04E8 #define OV0_GRAPHICS_KEY_CLR 0x04EC |