sis_regs.h

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/* Pitch for Y, UV Planes, unit=word */
#define  Index_VI_Disp_Y_Buf_Pitch_Low          0x10
#define  Index_VI_Disp_UV_Buf_Pitch_Low         0x11
#define  Index_VI_Disp_Y_UV_Buf_Pitch_Middle    0x12

/* What is this ? */
#define  Index_VI_Disp_Y_Buf_Preset_Low         0x13
#define  Index_VI_Disp_Y_Buf_Preset_Middle      0x14

#define  Index_VI_UV_Buf_Preset_Low             0x15
#define  Index_VI_UV_Buf_Preset_Middle          0x16
#define  Index_VI_Disp_Y_UV_Buf_Preset_High     0x17

/* Scaling control registers */
#define  Index_VI_Hor_Post_Up_Scale_Low         0x18
#define  Index_VI_Hor_Post_Up_Scale_High        0x19
#define  Index_VI_Ver_Up_Scale_Low              0x1A
#define  Index_VI_Ver_Up_Scale_High             0x1B
#define  Index_VI_Scale_Control                 0x1C

/* Playback line buffer control */
#define  Index_VI_Play_Threshold_Low            0x1D
#define  Index_VI_Play_Threshold_High           0x1E
#define  Index_VI_Line_Buffer_Size              0x1F

/* Destination color key */
#define  Index_VI_Overlay_ColorKey_Red_Min      0x20
#define  Index_VI_Overlay_ColorKey_Green_Min    0x21
#define  Index_VI_Overlay_ColorKey_Blue_Min     0x22
#define  Index_VI_Overlay_ColorKey_Red_Max      0x23
#define  Index_VI_Overlay_ColorKey_Green_Max    0x24
#define  Index_VI_Overlay_ColorKey_Blue_Max     0x25

/* Source color key, YUV color space */
#define  Index_VI_Overlay_ChromaKey_Red_Y_Min   0x26
#define  Index_VI_Overlay_ChromaKey_Green_U_Min 0x27
#define  Index_VI_Overlay_ChromaKey_Blue_V_Min  0x28
#define  Index_VI_Overlay_ChromaKey_Red_Y_Max   0x29
#define  Index_VI_Overlay_ChromaKey_Green_U_Max 0x2A
#define  Index_VI_Overlay_ChromaKey_Blue_V_Max  0x2B

/* Contrast enhancement and brightness control */
#define  Index_VI_Contrast_Factor               0x2C	/* obviously unused/undefined */
#define  Index_VI_Brightness                    0x2D
#define  Index_VI_Contrast_Enh_Ctrl             0x2E

#define  Index_VI_Key_Overlay_OP                0x2F

#define  Index_VI_Control_Misc0                 0x30
#define  Index_VI_Control_Misc1                 0x31
#define  Index_VI_Control_Misc2                 0x32

/* TW: Subpicture registers */
#define  Index_VI_SubPict_Buf_Start_Low		0x33
#define  Index_VI_SubPict_Buf_Start_Middle	0x34
#define  Index_VI_SubPict_Buf_Start_High	0x35

/* TW: What is this ? */
#define  Index_VI_SubPict_Buf_Preset_Low	0x36
#define  Index_VI_SubPict_Buf_Preset_Middle	0x37

/* TW: Subpicture pitch, unit=16 bytes */
#define  Index_VI_SubPict_Buf_Pitch		0x38

/* TW: Subpicture scaling control */
#define  Index_VI_SubPict_Hor_Scale_Low		0x39
#define  Index_VI_SubPict_Hor_Scale_High	0x3A
#define  Index_VI_SubPict_Vert_Scale_Low	0x3B
#define  Index_VI_SubPict_Vert_Scale_High	0x3C

#define  Index_VI_SubPict_Scale_Control		0x3D
/* (0x40 = enable/disable subpicture) */

/* TW: Subpicture line buffer control */
#define  Index_VI_SubPict_Threshold		0x3E

/* TW: What is this? */
#define  Index_VI_FIFO_Max			0x3F

/* TW: Subpicture palette; 16 colors, total 32 bytes address space */
#define  Index_VI_SubPict_Pal_Base_Low		0x40
#define  Index_VI_SubPict_Pal_Base_High		0x41

/* I wish I knew how to use these ... */
#define  Index_MPEG_Read_Ctrl0                  0x60	/* MPEG auto flip */
#define  Index_MPEG_Read_Ctrl1                  0x61	/* MPEG auto flip */
#define  Index_MPEG_Read_Ctrl2                  0x62	/* MPEG auto flip */
#define  Index_MPEG_Read_Ctrl3                  0x63	/* MPEG auto flip */

/* TW: MPEG AutoFlip scale */
#define  Index_MPEG_Ver_Up_Scale_Low            0x64
#define  Index_MPEG_Ver_Up_Scale_High           0x65

#define  Index_MPEG_Y_Buf_Preset_Low		0x66
#define  Index_MPEG_Y_Buf_Preset_Middle		0x67
#define  Index_MPEG_UV_Buf_Preset_Low		0x68
#define  Index_MPEG_UV_Buf_Preset_Middle	0x69
#define  Index_MPEG_Y_UV_Buf_Preset_High	0x6A

/* TW: The following registers only exist on the 310/325 series */

/* TW: Bit 16:24 of Y_U_V buf start address (?) */
#define  Index_VI_Y_Buf_Start_Over		0x6B
#define  Index_VI_U_Buf_Start_Over		0x6C
#define  Index_VI_V_Buf_Start_Over		0x6D

#define  Index_VI_Disp_Y_Buf_Pitch_High		0x6E
#define  Index_VI_Disp_UV_Buf_Pitch_High	0x6F

/* Hue and saturation */
#define	 Index_VI_Hue				0x70
#define  Index_VI_Saturation			0x71

#define  Index_VI_SubPict_Start_Over		0x72
#define  Index_VI_SubPict_Buf_Pitch_High	0x73

#define  Index_VI_Control_Misc3			0x74


/* TW: Bits (and helpers) for Index_VI_Control_Misc0 */
#define  VI_Misc0_Enable_Overlay		0x02
#define  VI_Misc0_420_Plane_Enable		0x04	/* Select Plane or Packed mode */
#define  VI_Misc0_422_Enable			0x20	/* Select 422 or 411 mode */
#define  VI_Misc0_Fmt_YVU420P			0x0C	/* YUV420 Planar (I420, YV12) */
#define  VI_Misc0_Fmt_YUYV			0x28	/* YUYV Packed (YUY2) */
#define  VI_Misc0_Fmt_UYVY			0x08	/* (UYVY) */

/* TW: Bits for Index_VI_Control_Misc1 */
/* #define  VI_Misc1_?                          0x01  */
#define  VI_Misc1_BOB_Enable			0x02
#define	 VI_Misc1_Line_Merge			0x04
#define  VI_Misc1_Field_Mode			0x08
/* #define  VI_Misc1_?                          0x10  */
#define  VI_Misc1_Non_Interleave                0x20	/* 300 series only? */
#define  VI_Misc1_Buf_Addr_Lock			0x20	/* 310 series only? */
/* #define  VI_Misc1_?                          0x40  */
/* #define  VI_Misc1_?                          0x80  */

/* TW: Bits for Index_VI_Control_Misc2 */
#define  VI_Misc2_Select_Video2			0x01
#define  VI_Misc2_Video2_On_Top			0x02
/* #define  VI_Misc2_?                          0x04  */
#define  VI_Misc2_Vertical_Interpol		0x08
#define  VI_Misc2_Dual_Line_Merge               0x10
#define  VI_Misc2_All_Line_Merge                0x20	/* 310 series only? */
#define  VI_Misc2_Auto_Flip_Enable		0x40	/* 300 series only? */
#define  VI_Misc2_Video_Reg_Write_Enable        0x80	/* 310 series only? */

/* TW: Bits for Index_VI_Control_Misc3 */
#define  VI_Misc3_Submit_Video_1		0x01	/* AKA "address ready" */
#define  VI_Misc3_Submit_Video_2		0x02	/* AKA "address ready" */
#define  VI_Misc3_Submit_SubPict		0x04	/* AKA "address ready" */

/* TW: Values for Index_VI_Key_Overlay_OP (0x2F) */
#define  VI_ROP_Never				0x00
#define  VI_ROP_DestKey				0x03
#define  VI_ROP_Always				0x0F

/*
 *  CRT_2 function control register ---------------------------------
 */
#define  Index_CRT2_FC_CONTROL                  0x00
#define  Index_CRT2_FC_SCREEN_HIGH              0x04
#define  Index_CRT2_FC_SCREEN_MID               0x05
#define  Index_CRT2_FC_SCREEN_LOW               0x06
#define  Index_CRT2_FC_ENABLE_WRITE             0x24
#define  Index_CRT2_FC_VR                       0x25
#define  Index_CRT2_FC_VCount                   0x27
#define  Index_CRT2_FC_VCount1                  0x28

#define  Index_310_CRT2_FC_VR                   0x30	/* d[1] = vertical retrace */
#define  Index_310_CRT2_FC_RT			0x33	/* d[7] = retrace in progress */

/* video attributes - these should probably be configurable on the fly
 *                    so users with different desktop sizes can keep
 *                    captured data off the desktop
 */
#define _VINWID                                  704
#define _VINHGT                         _VINHGT_NTSC
#define _VINHGT_NTSC                             240
#define _VINHGT_PAL                              290
#define _VIN_WINDOW                  (704 * 291 * 2)
#define _VBI_WINDOW                   (704 * 64 * 2)

#define _VIN_FIELD_EVEN                            1
#define _VIN_FIELD_ODD                             2
#define _VIN_FIELD_BOTH                            4


/* i2c registers (TW; not on 300/310/325 series) */
#define X_INDEXREG      0x14
#define X_PORTREG       0x15
#define X_DATA          0x0f
#define I2C_SCL         0x00
#define I2C_SDA         0x01
#define I2C_DELAY       10

/* mmio registers for video */
#define REG_PRIM_CRT_COUNTER    0x8514

/* TW: MPEG MMIO registers (630 and later) ----------------------------*/

/* Not public (yet?) */

#endif				/* VIDIX_SIS_REGS_H */