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/*
 * SiS register definitions and access macros
 * From SiS X11 driver
 *
 * Copyright (C) 2001-2003 by Thomas Winischhofer, Vienna, Austria
 *
 * This file is part of MPlayer.
 *
 * MPlayer is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * MPlayer is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef MPLAYER_SIS_REGS_H
#define MPLAYER_SIS_REGS_H

#define inSISREG(base)          INPORT8(base)
#define outSISREG(base,val)     OUTPORT8(base, val)
#define orSISREG(base,val)      do { \
                      unsigned char tmp = INPORT8(base); \
                      outSISREG(base, tmp | (val)); \
                    } while (0)
#define andSISREG(base,val)     do { \
                      unsigned char tmp = INPORT8(base); \
                      outSISREG(base, tmp & (val)); \
                    } while (0)

#define inSISIDXREG(base,idx,var)   do { \
                      OUTPORT8(base, idx); var=INPORT8((base)+1); \
                    } while (0)
#define outSISIDXREG(base,idx,val)  do { \
                      OUTPORT8(base, idx); OUTPORT8((base)+1, val); \
                    } while (0)
#define orSISIDXREG(base,idx,val)   do { \
                      unsigned char tmp; \
                      OUTPORT8(base, idx);   \
                      tmp = INPORT8((base)+1)|(val); \
                      outSISIDXREG(base,idx,tmp); \
                    } while (0)
#define andSISIDXREG(base,idx,and)  do { \
                      unsigned char tmp; \
                      OUTPORT8(base, idx);   \
                      tmp = INPORT8((base)+1)&(and); \
                      outSISIDXREG(base,idx,tmp); \
                    } while (0)
#define setSISIDXREG(base,idx,and,or)   do { \
                      unsigned char tmp; \
                      OUTPORT8(base, idx);   \
                      tmp = (INPORT8((base)+1)&(and))|(or); \
                      outSISIDXREG(base,idx,tmp); \
                    } while (0)

#define BITMASK(h,l)    (((unsigned)(1U << ((h)-(l)+1))-1)<<(l))
#define GENMASK(mask)   BITMASK(1?mask,0?mask)

#define GETBITS(var,mask)   	(((var) & GENMASK(mask)) >> (0?mask))
#define SETBITS(val,mask)   	((val) << (0?mask))
#define SETBIT(n)       	(1<<(n))

#define GETBITSTR(val,from,to)  ((GETBITS(val,from)) << (0?to))
#define SETVARBITS(var,val,from,to) (((var)&(~(GENMASK(to)))) | \
                                    GETBITSTR(val,from,to))
#define GETVAR8(var)        ((var)&0xFF)
#define SETVAR8(var,val)    (var) =  GETVAR8(val)

/* #define VGA_RELIO_BASE  0x380 */

#define AROFFSET        0x40	/* VGA_ATTR_INDEX - VGA_RELIO_BASE */
#define ARROFFSET       0x41	/* VGA_ATTR_DATA_R - VGA_RELIO_BASE  */
#define GROFFSET        0x4e	/* VGA_GRAPH_INDEX - VGA_RELIO_BASE */
#define SROFFSET        0x44	/* VGA_SEQ_INDEX - VGA_RELIO_BASE */
#define CROFFSET        0x54	/* VGA_CRTC_INDEX_OFFSET + VGA_IOBASE_COLOR - VGA_RELIO_BASE */
#define MISCROFFSET     0x4c	/* VGA_MISC_OUT_R - VGA_RELIO_BASE */
#define MISCWOFFSET     0x42	/* VGA_MISC_OUT_W - VGA_RELIO_BASE */
#define INPUTSTATOFFSET 0x5A
#define PART1OFFSET     0x04
#define PART2OFFSET     0x10
#define PART3OFFSET     0x12
#define PART4OFFSET     0x14
#define PART5OFFSET     0x16
#define VIDEOOFFSET     0x02
#define COLREGOFFSET    0x48

#define SIS_IOBASE  sis_iobase	/* var defined in sis_vid.c */
#define SISAR       SIS_IOBASE + AROFFSET
#define SISARR      SIS_IOBASE + ARROFFSET
#define SISGR       SIS_IOBASE + GROFFSET
#define SISSR       SIS_IOBASE + SROFFSET
#define SISCR       SIS_IOBASE + CROFFSET
#define SISMISCR    SIS_IOBASE + MISCROFFSET
#define SISMISCW    SIS_IOBASE + MISCWOFFSET
#define SISINPSTAT  SIS_IOBASE + INPUTSTATOFFSET
#define SISPART1    SIS_IOBASE + PART1OFFSET
#define SISPART2    SIS_IOBASE + PART2OFFSET
#define SISPART3    SIS_IOBASE + PART3OFFSET
#define SISPART4    SIS_IOBASE + PART4OFFSET
#define SISPART5    SIS_IOBASE + PART5OFFSET
#define SISVID      SIS_IOBASE + VIDEOOFFSET
#define SISCOLIDX   SIS_IOBASE + COLREGOFFSET
#define SISCOLDATA  SIS_IOBASE + COLREGOFFSET + 1
#define SISCOL2IDX  SISPART5
#define SISCOL2DATA SISPART5 + 1


#define vc_index_offset    0x00	/* Video capture - unused */
#define vc_data_offset     0x01
#define vi_index_offset    VIDEOOFFSET
#define vi_data_offset     (VIDEOOFFSET + 1)
#define crt2_index_offset  PART1OFFSET
#define crt2_port_offset   (PART1OFFSET + 1)
#define sr_index_offset    SROFFSET
#define sr_data_offset     (SROFFSET + 1)
#define cr_index_offset    CROFFSET
#define cr_data_offset     (CROFFSET + 1)
#define input_stat         INPUTSTATOFFSET

/* For old chipsets (5597/5598, 6326, 530/620) ------------ */
/* SR (3C4) */
#define BankReg 0x06
#define ClockReg 0x07
#define CPUThreshold 0x08
#define CRTThreshold 0x09
#define CRTCOff 0x0A
#define DualBanks 0x0B
#define MMIOEnable 0x0B
#define RAMSize 0x0C
#define Mode64 0x0C
#define ExtConfStatus1 0x0E
#define ClockBase 0x13
#define LinearAdd0 0x20
#define LinearAdd1 0x21
#define GraphEng 0x27
#define MemClock0 0x28
#define MemClock1 0x29
#define XR2A 0x2A
#define XR2B 0x2B
#define TurboQueueBase 0x2C
#define FBSize 0x2F
#define ExtMiscCont5 0x34
#define ExtMiscCont9 0x3C

/* 3x4 */
#define Offset 0x13

/* SiS Registers for 300, 540, 630, 730, 315, 550, 650, 740 */

/* VGA standard register */
#define  Index_SR_Graphic_Mode                  0x06
#define  Index_SR_RAMDAC_Ctrl                   0x07
#define  Index_SR_Threshold_Ctrl1               0x08
#define  Index_SR_Threshold_Ctrl2               0x09
#define  Index_SR_Misc_Ctrl                     0x0F
#define  Index_SR_DDC                           0x11
#define  Index_SR_Feature_Connector_Ctrl        0x12
#define  Index_SR_DRAM_Sizing                   0x14
#define  Index_SR_DRAM_State_Machine_Ctrl       0x15
#define  Index_SR_AGP_PCI_State_Machine         0x21
#define  Index_SR_Internal_MCLK0                0x28
#define  Index_SR_Internal_MCLK1                0x29
#define  Index_SR_Internal_DCLK1                0x2B
#define  Index_SR_Internal_DCLK2                0x2C
#define  Index_SR_Internal_DCLK3                0x2D
#define  Index_SR_Ext_Clock_Sel                 0x32
#define  Index_SR_Int_Status                    0x34
#define  Index_SR_Int_Enable                    0x35
#define  Index_SR_Int_Reset                     0x36
#define  Index_SR_Power_On_Trap                 0x38
#define  Index_SR_Power_On_Trap2                0x39
#define  Index_SR_Power_On_Trap3                0x3A

/* video registers (300/630/730/315/550/650/740 only) */
#define  Index_VI_Passwd                        0x00

/* Video overlay horizontal start/end, unit=screen pixels */
#define  Index_VI_Win_Hor_Disp_Start_Low        0x01
#define  Index_VI_Win_Hor_Disp_End_Low          0x02
#define  Index_VI_Win_Hor_Over                  0x03	/* Overflow */

/* Video overlay vertical start/end, unit=screen pixels */
#define  Index_VI_Win_Ver_Disp_Start_Low        0x04
#define  Index_VI_Win_Ver_Disp_End_Low          0x05
#define  Index_VI_Win_Ver_Over                  0x06	/* Overflow */

/* Y Plane (4:2:0) or YUV (4:2:2) buffer start address, unit=word */
#define  Index_VI_Disp_Y_Buf_Start_Low          0x07
#define  Index_VI_Disp_Y_Buf_Start_Middle       0x08
#define  Index_VI_Disp_Y_Buf_Start_High         0x09

/* U Plane (4:2:0) buffer start address, unit=word */
#define  Index_VI_U_Buf_Start_Low               0x0A
#define  Index_VI_U_Buf_Start_Middle            0x0B
#define  Index_VI_U_Buf_Start_High              0x0C

/* V Plane (4:2:0) buffer start address, unit=word */
#define  Index_VI_V_Buf_Start_Low               0x0D
#define  Index_VI_V_Buf_Start_Middle            0x0E
#define  Index_VI_V_Buf_Start_High              0x0F

/* 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 /* MPLAYER_SIS_REGS_H */