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/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/savage/savage_bci.h,v 1.3 2002/05/14 20:19:51 alanh Exp $ */
#ifndef _S3BCI_H_
#define _S3BCI_H_
/* BCI Control Register */
#define S3_BCI_CONTROL 0x816C
/*
* High 8 bit of primary bitmap descriptor 2 register.
* Bits 25-24: Tile Format 00 = Linear ; 10 = 16 bits; 11 = 32 bits (Savage4)
* 00 = Linear ; 01 = Tile; 10 = Texture tiling format/ Destination Tiling format
* 11 = Reserved/Destination tiling format.
*/
#define TILE_LINEAR 0
#define TILE_FORMAT_LINEAR 0
#define TILE_TEXTURE 2
#define TILE_DESTINATION 1
#define TILE_FORMAT_DESTINATION16 2
#define TILE_FORMAT_DESTINATION32 3
/* BD - BCI enable */
/* savage4, MX, IX, 3D */
#define BCI_ENABLE 8
/* twister, prosavage */
/* not sure which one supersavage fits into */
#define BCI_ENABLE_TWISTER 0
#define S3_BIG_ENDIAN 4
#define S3_LITTLE_ENDIAN 0
#define S3_BD64 1
/* Global Bitmap Descriptor */
#define S3_BCI_GLB_BD_LOW 0x8168
#define S3_BCI_GLB_BD_HIGH 0x816C
#define REVERSE_BYTE_ORDER32(dword) {\
unsigned int temp; \
dword = (temp & 0xFF) << 24; \
dword |= (temp & 0xFF00) << 8; \
dword |= (temp & 0xFF0000) >> 8; \
dword |= (temp & 0xFF000000) >> 24; }
#define BCI_GET_PTR volatile CARD32 * bci_ptr = (CARD32 *) psav->BciMem
#define BCI_RESET bci_ptr = (CARD32 *) psav->BciMem
#define BCI_SEND(dw) (*bci_ptr++ = (CARD32)(dw))
#define BCI_CMD_NOP 0x40000000
#define BCI_CMD_RECT 0x48000000
#define BCI_CMD_RECT_XP 0x01000000
#define BCI_CMD_RECT_YP 0x02000000
#define BCI_CMD_SCANLINE 0x50000000
#define BCI_CMD_LINE 0x5C000000
#define BCI_CMD_LINE_LAST_PIXEL 0x58000000
#define BCI_CMD_BYTE_TEXT 0x63000000
#define BCI_CMD_NT_BYTE_TEXT 0x67000000
#define BCI_CMD_BIT_TEXT 0x6C000000
#define BCI_CMD_GET_ROP(cmd) (((cmd) >> 16) & 0xFF)
#define BCI_CMD_SET_ROP(cmd, rop) ((cmd) |= ((rop & 0xFF) << 16))
#define BCI_CMD_SEND_COLOR 0x00008000
#define BCI_CMD_CLIP_NONE 0x00000000
#define BCI_CMD_CLIP_CURRENT 0x00002000
#define BCI_CMD_CLIP_LR 0x00004000
#define BCI_CMD_CLIP_NEW 0x00006000
#define BCI_CMD_DEST_GBD 0x00000000
#define BCI_CMD_DEST_PBD 0x00000800
#define BCI_CMD_DEST_PBD_NEW 0x00000C00
#define BCI_CMD_DEST_SBD 0x00001000
#define BCI_CMD_DEST_SBD_NEW 0x00001400
#define BCI_CMD_SRC_TRANSPARENT 0x00000200
#define BCI_CMD_SRC_SOLID 0x00000000
#define BCI_CMD_SRC_GBD 0x00000020
#define BCI_CMD_SRC_COLOR 0x00000040
#define BCI_CMD_SRC_MONO 0x00000060
#define BCI_CMD_SRC_PBD_COLOR 0x00000080
#define BCI_CMD_SRC_PBD_MONO 0x000000A0
#define BCI_CMD_SRC_PBD_COLOR_NEW 0x000000C0
#define BCI_CMD_SRC_PBD_MONO_NEW 0x000000E0
#define BCI_CMD_SRC_SBD_COLOR 0x00000100
#define BCI_CMD_SRC_SBD_MONO 0x00000120
#define BCI_CMD_SRC_SBD_COLOR_NEW 0x00000140
#define BCI_CMD_SRC_SBD_MONO_NEW 0x00000160
#define BCI_CMD_PAT_TRANSPARENT 0x00000010
#define BCI_CMD_PAT_NONE 0x00000000
#define BCI_CMD_PAT_COLOR 0x00000002
#define BCI_CMD_PAT_MONO 0x00000003
#define BCI_CMD_PAT_PBD_COLOR 0x00000004
#define BCI_CMD_PAT_PBD_MONO 0x00000005
#define BCI_CMD_PAT_PBD_COLOR_NEW 0x00000006
#define BCI_CMD_PAT_PBD_MONO_NEW 0x00000007
#define BCI_CMD_PAT_SBD_COLOR 0x00000008
#define BCI_CMD_PAT_SBD_MONO 0x00000009
#define BCI_CMD_PAT_SBD_COLOR_NEW 0x0000000A
#define BCI_CMD_PAT_SBD_MONO_NEW 0x0000000B
#define BCI_BD_BW_DISABLE 0x10000000
#define BCI_BD_TILE_MASK 0x03000000
#define BCI_BD_TILE_NONE 0x00000000
#define BCI_BD_TILE_16 0x02000000
#define BCI_BD_TILE_32 0x03000000
#define BCI_BD_GET_BPP(bd) (((bd) >> 16) & 0xFF)
#define BCI_BD_SET_BPP(bd, bpp) ((bd) |= (((bpp) & 0xFF) << 16))
#define BCI_BD_GET_STRIDE(bd) ((bd) & 0xFFFF)
#define BCI_BD_SET_STRIDE(bd, st) ((bd) |= ((st) & 0xFFFF))
#define BCI_W_H(w, h) ((((h) << 16) | (w)) & 0x0FFF0FFF)
#define BCI_X_Y(x, y) ((((y) << 16) | (x)) & 0x0FFF0FFF)
#define BCI_X_W(x, y) ((((w) << 16) | (x)) & 0x0FFF0FFF)
#define BCI_CLIP_LR(l, r) ((((r) << 16) | (l)) & 0x0FFF0FFF)
#define BCI_CLIP_TL(t, l) ((((t) << 16) | (l)) & 0x0FFF0FFF)
#define BCI_CLIP_BR(b, r) ((((b) << 16) | (r)) & 0x0FFF0FFF)
#define BCI_LINE_X_Y(x, y) (((y) << 16) | ((x) & 0xFFFF))
#define BCI_LINE_STEPS(diag, axi) (((axi) << 16) | ((diag) & 0xFFFF))
#define BCI_LINE_MISC(maj, ym, xp, yp, err) \
(((maj) & 0x1FFF) | \
((ym) ? 1<<13 : 0) | \
((xp) ? 1<<14 : 0) | \
((yp) ? 1<<15 : 0) | \
((err) << 16))
#endif /* _S3BCI_H_ */
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