Importing xf86-video-sunffb 1.1.0

1 files changed, 522 insertions, 0 deletions

diff --git a/driver/xf86-video-sunffb/src/ffb_regs.h b/driver/xf86-video-sunffb/src/ffb_regs.h
new file mode 100644
index 000000000..efb5cce05
--- /dev/null
+++ b/driver/xf86-video-sunffb/src/ffb_regs.h
@@ -0,0 +1,522 @@
+/*
+ * Acceleration for the Creator and Creator3D framebuffer - register layout.
+ *
+ * Copyright (C) 1998,1999,2000 Jakub Jelinek (jakub@redhat.com)
+ * Copyright (C) 1998 Michal Rehacek (majkl@iname.com)
+ * Copyright (C) 1999 David S. Miller (davem@redhat.com)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * JAKUB JELINEK, MICHAL REHACEK, OR DAVID MILLER BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+/* $XFree86$ */
+
+#ifndef FFBREGS_H
+#define FFBREGS_H
+
+/* Auxilliary clips. */
+typedef struct  {
+	volatile unsigned int min;
+	volatile unsigned int max;
+} ffb_auxclip, *ffb_auxclipPtr;
+
+/* FFB register set. */
+typedef struct _ffb_fbc {
+	/* Next vertex registers, on the right we list which drawops
+	 * use said register and the logical name the register has in
+	 * that context.
+	 */					/* DESCRIPTION		DRAWOP(NAME)	*/
+/*0x00*/unsigned int		pad1[3];	/* Reserved				*/
+/*0x0c*/volatile unsigned int	alpha;		/* ALPHA Transparency			*/
+/*0x10*/volatile unsigned int	red;		/* RED					*/
+/*0x14*/volatile unsigned int	green;		/* GREEN				*/
+/*0x18*/volatile unsigned int	blue;		/* BLUE					*/
+/*0x1c*/volatile unsigned int	z;		/* DEPTH				*/
+/*0x20*/volatile unsigned int	y;		/* Y			triangle(DOYF)	*/
+						/*                      aadot(DYF)	*/
+						/*                      ddline(DYF)	*/
+						/*                      aaline(DYF)	*/
+/*0x24*/volatile unsigned int	x;		/* X			triangle(DOXF)	*/
+						/*                      aadot(DXF)	*/
+						/*                      ddline(DXF)	*/
+						/*                      aaline(DXF)	*/
+/*0x28*/unsigned int		pad2[2];	/* Reserved				*/
+/*0x30*/volatile unsigned int	ryf;		/* Y (alias to DOYF)	ddline(RYF)	*/
+						/*			aaline(RYF)	*/
+						/*			triangle(RYF)	*/
+/*0x34*/volatile unsigned int	rxf;		/* X			ddline(RXF)	*/
+						/*			aaline(RXF)	*/
+						/*			triangle(RXF)	*/
+/*0x38*/unsigned int		pad3[2];	/* Reserved				*/
+/*0x40*/volatile unsigned int	dmyf;		/* Y (alias to DOYF)	triangle(DMYF)	*/
+/*0x44*/volatile unsigned int	dmxf;		/* X			triangle(DMXF)	*/
+/*0x48*/unsigned int		pad4[2];	/* Reserved				*/
+/*0x50*/volatile unsigned int	ebyi;		/* Y (alias to RYI)	polygon(EBYI)	*/
+/*0x54*/volatile unsigned int	ebxi;		/* X			polygon(EBXI)	*/
+/*0x58*/unsigned int		pad5[2];	/* Reserved				*/
+/*0x60*/volatile unsigned int	by;		/* Y			brline(RYI)	*/
+						/*			fastfill(OP)	*/
+						/*			polygon(YI)	*/
+						/*			rectangle(YI)	*/
+						/*			bcopy(SRCY)	*/
+						/*			vscroll(SRCY)	*/
+/*0x64*/volatile unsigned int	bx;		/* X			brline(RXI)	*/
+						/*			polygon(XI)	*/
+						/*			rectangle(XI)	*/
+						/*			bcopy(SRCX)	*/
+						/*			vscroll(SRCX)	*/
+						/*			fastfill(GO)	*/
+/*0x68*/volatile unsigned int	dy;		/* destination Y	fastfill(DSTY)	*/
+						/*			bcopy(DSRY)	*/
+						/*			vscroll(DSRY)	*/
+/*0x6c*/volatile unsigned int	dx;		/* destination X	fastfill(DSTX)	*/
+						/*			bcopy(DSTX)	*/
+						/*			vscroll(DSTX)	*/
+/*0x70*/volatile unsigned int	bh;		/* Y (alias to RYI)	brline(DYI)	*/
+						/*			dot(DYI)	*/
+						/*			polygon(ETYI)	*/
+						/* Height		fastfill(H)	*/
+						/*			bcopy(H)	*/
+						/*			vscroll(H)	*/
+						/* Y count		fastfill(NY)	*/
+/*0x74*/volatile unsigned int	bw;		/* X			dot(DXI)	*/
+						/*			brline(DXI)	*/
+						/*			polygon(ETXI)	*/
+						/*			fastfill(W)	*/
+						/*			bcopy(W)	*/
+						/*			vscroll(W)	*/
+						/*			fastfill(NX)	*/
+/*0x78*/unsigned int		pad6[2];	/* Reserved				*/
+/*0x80*/unsigned int		pad7[32];	/* Reserved				*/
+	
+	/* Setup Unit's vertex state register */
+/*100*/	volatile unsigned int	suvtx;
+/*104*/	unsigned int		pad8[63];	/* Reserved				*/
+	
+	/* Frame Buffer Control Registers */
+/*200*/	volatile unsigned int	ppc;		/* Pixel Processor Control		*/
+/*204*/	volatile unsigned int	wid;		/* Current WID				*/
+/*208*/	volatile unsigned int	fg;		/* FG data				*/
+/*20c*/	volatile unsigned int	bg;		/* BG data				*/
+/*210*/	volatile unsigned int	consty;		/* Constant Y				*/
+/*214*/	volatile unsigned int	constz;		/* Constant Z				*/
+/*218*/	volatile unsigned int	xclip;		/* X Clip				*/
+/*21c*/	volatile unsigned int	dcss;		/* Depth Cue Scale Slope		*/
+/*220*/	volatile unsigned int	vclipmin;	/* Viewclip XY Min Bounds		*/
+/*224*/	volatile unsigned int	vclipmax;	/* Viewclip XY Max Bounds		*/
+/*228*/	volatile unsigned int	vclipzmin;	/* Viewclip Z Min Bounds		*/
+/*22c*/	volatile unsigned int	vclipzmax;	/* Viewclip Z Max Bounds		*/
+/*230*/	volatile unsigned int	dcsf;		/* Depth Cue Scale Front Bound		*/
+/*234*/	volatile unsigned int	dcsb;		/* Depth Cue Scale Back Bound		*/
+/*238*/	volatile unsigned int	dczf;		/* Depth Cue Z Front			*/
+/*23c*/	volatile unsigned int	dczb;		/* Depth Cue Z Back			*/
+/*240*/	unsigned int		pad9;		/* Reserved				*/
+/*244*/	volatile unsigned int	blendc;		/* Alpha Blend Control			*/
+/*248*/	volatile unsigned int	blendc1;	/* Alpha Blend Color 1			*/
+/*24c*/	volatile unsigned int	blendc2;	/* Alpha Blend Color 2			*/
+/*250*/	volatile unsigned int	fbramitc;	/* FB RAM Interleave Test Control	*/
+/*254*/	volatile unsigned int	fbc;		/* Frame Buffer Control			*/
+/*258*/	volatile unsigned int	rop;		/* Raster OPeration			*/
+/*25c*/	volatile unsigned int	cmp;		/* Frame Buffer Compare			*/
+/*260*/	volatile unsigned int	matchab;	/* Buffer AB Match Mask			*/
+/*264*/	volatile unsigned int	matchc;		/* Buffer C(YZ) Match Mask		*/
+/*268*/	volatile unsigned int	magnab;		/* Buffer AB Magnitude Mask		*/
+/*26c*/	volatile unsigned int	magnc;		/* Buffer C(YZ) Magnitude Mask		*/
+/*270*/	volatile unsigned int	fbcfg0;		/* Frame Buffer Config 0		*/
+/*274*/	volatile unsigned int	fbcfg1;		/* Frame Buffer Config 1		*/
+/*278*/	volatile unsigned int	fbcfg2;		/* Frame Buffer Config 2		*/
+/*27c*/	volatile unsigned int	fbcfg3;		/* Frame Buffer Config 3		*/
+/*280*/	volatile unsigned int	ppcfg;		/* Pixel Processor Config		*/
+/*284*/	volatile unsigned int	pick;		/* Picking Control			*/
+/*288*/	volatile unsigned int	fillmode;	/* FillMode				*/
+/*28c*/	volatile unsigned int	fbramwac;	/* FB RAM Write Address Control		*/
+/*290*/	volatile unsigned int	pmask;		/* RGB PlaneMask			*/
+/*294*/	volatile unsigned int	xpmask;		/* X PlaneMask				*/
+/*298*/	volatile unsigned int	ypmask;		/* Y PlaneMask				*/
+/*29c*/	volatile unsigned int	zpmask;		/* Z PlaneMask				*/
+/*2a0*/	ffb_auxclip		auxclip[4]; 	/* Auxilliary Viewport Clip		*/
+	
+	/* New 3dRAM III support regs */
+/*2c0*/	volatile unsigned int	rawblend2;
+/*2c4*/	volatile unsigned int	rawpreblend;
+/*2c8*/	volatile unsigned int	rawstencil;
+/*2cc*/	volatile unsigned int	rawstencilctl;
+/*2d0*/	volatile unsigned int	threedram1;
+/*2d4*/	volatile unsigned int	threedram2;
+/*2d8*/	volatile unsigned int	passin;
+/*2dc*/	volatile unsigned int	rawclrdepth;
+/*2e0*/	volatile unsigned int	rawpmask;
+/*2e4*/	volatile unsigned int	rawcsrc;
+/*2e8*/	volatile unsigned int	rawmatch;
+/*2ec*/	volatile unsigned int	rawmagn;
+/*2f0*/	volatile unsigned int	rawropblend;
+/*2f4*/	volatile unsigned int	rawcmp;
+/*2f8*/	volatile unsigned int	rawwac;
+/*2fc*/	volatile unsigned int	fbramid;
+	
+/*300*/	volatile unsigned int	drawop;		/* Draw OPeration			*/
+/*304*/	unsigned int		pad10[2];	/* Reserved				*/
+/*30c*/	volatile unsigned int	lpat;		/* Line Pattern control			*/
+/*310*/	unsigned int		pad11;		/* Reserved				*/
+/*314*/	volatile unsigned int	fontxy;		/* XY Font coordinate			*/
+/*318*/	volatile unsigned int	fontw;		/* Font Width				*/
+/*31c*/	volatile unsigned int	fontinc;	/* Font Increment			*/
+/*320*/	volatile unsigned int	font;		/* Font bits				*/
+/*324*/	unsigned int		pad12[3];	/* Reserved				*/
+/*330*/	volatile unsigned int	blend2;
+/*334*/	volatile unsigned int	preblend;
+/*338*/	volatile unsigned int	stencil;
+/*33c*/	volatile unsigned int	stencilctl;
+
+/*340*/	unsigned int		pad13[4];	/* Reserved				*/
+/*350*/	volatile unsigned int	dcss1;		/* Depth Cue Scale Slope 1		*/
+/*354*/	volatile unsigned int	dcss2;		/* Depth Cue Scale Slope 2		*/
+/*358*/	volatile unsigned int	dcss3;		/* Depth Cue Scale Slope 3		*/
+/*35c*/	volatile unsigned int	widpmask;
+/*360*/	volatile unsigned int	dcs2;
+/*364*/	volatile unsigned int	dcs3;
+/*368*/	volatile unsigned int	dcs4;
+/*36c*/	unsigned int		pad14;		/* Reserved				*/
+/*370*/	volatile unsigned int	dcd2;
+/*374*/	volatile unsigned int	dcd3;
+/*378*/	volatile unsigned int	dcd4;
+/*37c*/	unsigned int		pad15;		/* Reserved				*/
+/*380*/	volatile unsigned int	pattern[32];	/* area Pattern				*/
+/*400*/	unsigned int		pad16[8];	/* Reserved				*/
+/*420*/	volatile unsigned int	reset;		/* chip RESET				*/
+/*424*/	unsigned int		pad17[247];	/* Reserved				*/
+/*800*/	volatile unsigned int	devid;		/* Device ID				*/
+/*804*/	unsigned int		pad18[63];	/* Reserved				*/
+/*900*/	volatile unsigned int	ucsr;		/* User Control & Status Register	*/
+/*904*/	unsigned int		pad19[31];	/* Reserved				*/
+/*980*/	volatile unsigned int	mer;		/* Mode Enable Register			*/
+/*984*/	unsigned int		pad20[1439];	/* Reserved				*/
+} ffb_fbc, *ffb_fbcPtr;
+
+/* Draw operations */
+#define FFB_DRAWOP_DOT		0x00
+#define FFB_DRAWOP_AADOT	0x01
+#define FFB_DRAWOP_BRLINECAP	0x02
+#define FFB_DRAWOP_BRLINEOPEN	0x03
+#define FFB_DRAWOP_DDLINE	0x04
+#define FFB_DRAWOP_AALINE	0x05
+#define FFB_DRAWOP_TRIANGLE	0x06
+#define FFB_DRAWOP_POLYGON	0x07
+#define FFB_DRAWOP_RECTANGLE	0x08
+#define FFB_DRAWOP_FASTFILL	0x09
+#define FFB_DRAWOP_BCOPY	0x0a	/* Not implemented in any FFB, VIS is faster		*/
+#define FFB_DRAWOP_VSCROLL	0x0b	/* Up to 12x faster than BCOPY, 3-4x faster than VIS	*/
+
+/* FastFill operation codes. */
+#define FFB_FASTFILL_PAGE	0x01
+#define FFB_FASTFILL_BLOCK	0x02
+#define FFB_FASTFILL_COLOR_BLK	0x03
+#define FFB_FASTFILL_BLOCK_X	0x04
+
+/* Spanfill Unit Line Pattern */
+#define FFB_LPAT_SCALEPTR	0xf0000000
+#define FFB_LPAT_SCALEPTR_SHIFT	28
+#define FFB_LPAT_PATPTR		0x0f000000
+#define FFB_LPAT_PATPTR_SHIFT	24
+#define FFB_LPAT_SCALEVAL	0x00f00000
+#define FFB_LPAT_SCALEVAL_SHIFT	20
+#define FFB_LPAT_PATLEN		0x000f0000
+#define FFB_LPAT_PATLEN_SHIFT	16
+#define FFB_LPAT_PATTERN	0x0000ffff
+#define FFB_LPAT_PATTERN_SHIFT	0
+
+/* Pixel processor control */
+/* Force WID */
+#define FFB_PPC_FW_DISABLE	0x800000
+#define FFB_PPC_FW_ENABLE	0xc00000
+#define FFB_PPC_FW_MASK		0xc00000
+/* Auxiliary clip */
+#define FFB_PPC_ACE_DISABLE	0x040000
+#define FFB_PPC_ACE_AUX_SUB	0x080000
+#define FFB_PPC_ACE_AUX_ADD	0x0c0000
+#define FFB_PPC_ACE_MASK	0x0c0000
+/* Depth cue */
+#define FFB_PPC_DCE_DISABLE	0x020000
+#define FFB_PPC_DCE_ENABLE	0x030000
+#define FFB_PPC_DCE_MASK	0x030000
+/* Alpha blend */
+#define FFB_PPC_ABE_DISABLE	0x008000
+#define FFB_PPC_ABE_ENABLE	0x00c000
+#define FFB_PPC_ABE_MASK	0x00c000
+/* View clip */
+#define FFB_PPC_VCE_DISABLE	0x001000
+#define FFB_PPC_VCE_2D		0x002000
+#define FFB_PPC_VCE_3D		0x003000
+#define FFB_PPC_VCE_MASK	0x003000
+/* Area pattern */
+#define FFB_PPC_APE_DISABLE	0x000800
+#define FFB_PPC_APE_ENABLE	0x000c00
+#define FFB_PPC_APE_MASK	0x000c00
+/* Transparent background */
+#define FFB_PPC_TBE_OPAQUE	0x000200
+#define FFB_PPC_TBE_TRANSPARENT	0x000300
+#define FFB_PPC_TBE_MASK	0x000300
+/* Z source */
+#define FFB_PPC_ZS_VAR		0x000080
+#define FFB_PPC_ZS_CONST	0x0000c0
+#define FFB_PPC_ZS_MASK		0x0000c0
+/* Y source */
+#define FFB_PPC_YS_VAR		0x000020
+#define FFB_PPC_YS_CONST	0x000030
+#define FFB_PPC_YS_MASK		0x000030
+/* X source */
+#define FFB_PPC_XS_WID		0x000004
+#define FFB_PPC_XS_VAR		0x000008
+#define FFB_PPC_XS_CONST	0x00000c
+#define FFB_PPC_XS_MASK		0x00000c
+/* Color (BGR) source */
+#define FFB_PPC_CS_VAR		0x000002
+#define FFB_PPC_CS_CONST	0x000003
+#define FFB_PPC_CS_MASK		0x000003
+
+/* X Clip */
+#define FFB_XCLIP_XREF		0x000000ff
+#define FFB_XCLIP_TEST_MASK	0x00070000
+#define FFB_XCLIP_TEST_ALWAYS	0x00000000
+#define FFB_XCLIP_TEST_GT	0x00010000
+#define FFB_XCLIP_TEST_EQ	0x00020000
+#define FFB_XCLIP_TEST_GE	0x00030000
+#define FFB_XCLIP_TEST_NEVER	0x00040000
+#define FFB_XCLIP_TEST_LE	0x00050000
+#define FFB_XCLIP_TEST_NE	0x00060000
+#define FFB_XCLIP_TEST_LT	0x00070000
+
+/* FB Control register */
+/* Write buffer dest */
+#define FFB_FBC_WB_A		0x20000000
+#define FFB_FBC_WB_B		0x40000000
+#define FFB_FBC_WB_AB		0x60000000
+#define FFB_FBC_WB_C		0x80000000
+#define FFB_FBC_WB_AC		0xa0000000
+#define FFB_FBC_WB_BC		0xc0000000
+#define FFB_FBC_WB_ABC		0xe0000000
+#define FFB_FBC_WB_MASK		0xe0000000
+/* Write enable */
+#define FFB_FBC_WE_FORCEOFF	0x00100000
+#define FFB_FBC_WE_FORCEON	0x00200000
+#define FFB_FBC_WE_USE_WMASK	0x00300000
+#define FFB_FBC_WE_MASK		0x00300000
+/* Write group mode */
+#define FFB_FBC_WM_RSVD		0x00040000
+#define FFB_FBC_WM_COMBINED	0x00080000
+#define FFB_FBC_WM_SEPARATE	0x000c0000
+#define FFB_FBC_WM_MASK		0x000c0000
+/* Read buffer src */
+#define FFB_FBC_RB_A		0x00004000
+#define FFB_FBC_RB_B		0x00008000
+#define FFB_FBC_RB_C		0x0000c000
+#define FFB_FBC_RB_MASK		0x0000c000
+/* Stereo buf dest */
+#define FFB_FBC_SB_LEFT		0x00001000
+#define FFB_FBC_SB_RIGHT	0x00002000
+#define FFB_FBC_SB_BOTH		0x00003000
+#define FFB_FBC_SB_MASK		0x00003000
+/* Z plane group enable */
+#define FFB_FBC_ZE_OFF		0x00000400
+#define FFB_FBC_ZE_ON		0x00000800
+#define FFB_FBC_ZE_MASK		0x00000c00
+/* Y plane group enable */
+#define FFB_FBC_YE_OFF		0x00000100
+#define FFB_FBC_YE_ON		0x00000200
+#define FFB_FBC_YE_MASK		0x00000300
+/* X plane group enable */
+#define FFB_FBC_XE_OFF		0x00000040
+#define FFB_FBC_XE_ON		0x00000080
+#define FFB_FBC_XE_MASK		0x000000c0
+/* B plane group enable */
+#define FFB_FBC_BE_OFF		0x00000010
+#define FFB_FBC_BE_ON		0x00000020
+#define FFB_FBC_BE_MASK		0x00000030
+/* G plane group enable */
+#define FFB_FBC_GE_OFF		0x00000004
+#define FFB_FBC_GE_ON		0x00000008
+#define FFB_FBC_GE_MASK		0x0000000c
+/* R plane group enable */
+#define FFB_FBC_RE_OFF		0x00000001
+#define FFB_FBC_RE_ON		0x00000002
+#define FFB_FBC_RE_MASK		0x00000003
+/* Combined */
+#define FFB_FBC_RGBE_OFF	0x00000015
+#define FFB_FBC_RGBE_ON		0x0000002a
+#define FFB_FBC_RGBE_MASK	0x0000003f
+
+/* Raster OP */
+#define FFB_ROP_YZ_MASK		0x008f0000
+#define FFB_ROP_X_MASK		0x00008f00
+#define FFB_ROP_RGB_MASK	0x0000008f
+
+/* Now the rops themselves which get shifted into the
+ * above fields.
+ */
+#define FFB_ROP_EDIT_BIT	0x80
+#define FFB_ROP_ZERO		0x80
+#define FFB_ROP_NEW_AND_OLD	0x81
+#define FFB_ROP_NEW_AND_NOLD	0x82
+#define FFB_ROP_NEW		0x83
+#define FFB_ROP_NNEW_AND_OLD	0x84
+#define FFB_ROP_OLD		0x85
+#define FFB_ROP_NEW_XOR_OLD	0x86
+#define FFB_ROP_NEW_OR_OLD	0x87
+#define FFB_ROP_NNEW_AND_NOLD	0x88
+#define FFB_ROP_NNEW_XOR_NOLD	0x89
+#define FFB_ROP_NOLD		0x8a
+#define FFB_ROP_NEW_OR_NOLD	0x8b
+#define FFB_ROP_NNEW		0x8c
+#define FFB_ROP_NNEW_OR_OLD	0x8d
+#define FFB_ROP_NNEW_OR_NOLD	0x8e
+#define FFB_ROP_ONES		0x8f
+
+/* FB Compare */
+#define FFB_CMP_MATCHC_MASK	0x8f000000
+#define FFB_CMP_MAGNC_MASK	0x00870000
+#define FFB_CMP_MATCHAB_MASK	0x0000ff00
+#define FFB_CMP_MAGNAB_MASK	0x000000ff
+
+/* Compare Match codes */
+#define FFB_CMP_MATCH_EDIT_BIT	0x80
+#define FFB_CMP_MATCH_ALWAYS	0x80
+#define FFB_CMP_MATCH_NEVER	0x81
+#define FFB_CMP_MATCH_EQ	0x82
+#define FFB_CMP_MATCH_NE	0x83
+#define FFB_CMP_MATCH_A_ALWAYS	0xc0
+#define FFB_CMP_MATCH_B_ALWAYS	0xa0
+
+/* Compare Magnitude codes */
+#define FFB_CMP_MAGN_EDIT_BIT	0x80
+#define FFB_CMP_MAGN_ALWAYS	0x80
+#define FFB_CMP_MAGN_GT		0x81
+#define FFB_CMP_MAGN_EQ		0x82
+#define FFB_CMP_MAGN_GE		0x83
+#define FFB_CMP_MAGN_NEVER	0x84
+#define FFB_CMP_MAGN_LE		0x85
+#define FFB_CMP_MAGN_NE		0x86
+#define FFB_CMP_MAGN_LT		0x87
+#define FFB_CMP_MAGN_A_ALWAYS	0xc0
+#define FFB_CMP_MAGN_B_ALWAYS	0xa0
+
+/* User Control and Status */
+#define FFB_UCSR_FIFO_MASK	0x00000fff
+#define FFB_UCSR_PICK_NO_HIT	0x00020000
+#define FFB_UCSR_PICK_HIT	0x00030000
+#define FFB_UCSR_PICK_DISABLE	0x00080000
+#define FFB_UCSR_PICK_ENABLE	0x000c0000
+#define FFB_UCSR_FB_BUSY	0x01000000
+#define FFB_UCSR_RP_BUSY	0x02000000
+#define FFB_UCSR_ALL_BUSY	(FFB_UCSR_RP_BUSY|FFB_UCSR_FB_BUSY)
+#define FFB_UCSR_READ_ERR	0x40000000
+#define FFB_UCSR_FIFO_OVFL	0x80000000
+#define FFB_UCSR_ALL_ERRORS	(FFB_UCSR_READ_ERR|FFB_UCSR_FIFO_OVFL)
+
+/* Mode Enable Register */
+#define FFB_MER_EIRA		0x00000080 /* Enable read-ahead, increasing */
+#define FFB_MER_EDRA		0x000000c0 /* Enable read-ahead, decreasing */
+#define FFB_MER_DRA		0x00000040 /* No read-ahead */
+
+/* Alpha Blend Control */
+#define FFB_BLENDC_FORCE_ONE	0x00000010 /* Defines 0xff as 1.0 */
+#define FFB_BLENDC_DF_MASK	0x0000000c /* Destination Frac Mask */
+#define FFB_BLENDC_DF_ZERO	0x00000000 /* Destination Frac: 0.00 */
+#define FFB_BLENDC_DF_ONE	0x00000004 /* Destination Frac: 1.00 */
+#define FFB_BLENDC_DF_ONE_M_A	0x00000008 /* Destination Frac: 1.00 - Xsrc */
+#define FFB_BLENDC_DF_A		0x0000000c /* Destination Frac: Xsrc */
+#define FFB_BLENDC_SF_MASK	0x00000003 /* Source Frac Mask */
+#define FFB_BLENDC_SF_ZERO	0x00000000 /* Source Frac: 0.00 */
+#define FFB_BLENDC_SF_ONE	0x00000001 /* Source Frac: 1.00 */
+#define FFB_BLENDC_SF_ONE_M_A	0x00000002 /* Source Frac: 1.00 - Xsrc */
+#define FFB_BLENDC_SF_A		0x00000003 /* Source Frac: Xsrc */
+
+/* FBram Config 0 */
+#define FFB_FBCFG0_RFTIME	0xff800000
+#define FFB_FBCFG0_XMAX		0x007c0000
+#define FFB_FBCFG0_YMAX		0x0003ffc0
+#define FFB_FBCFG0_RES_MASK	0x00000030
+#define FFB_FBCFG0_RES_HIGH	0x00000030 /* 1920x1360 */
+#define FFB_FBCFG0_RES_STD	0x00000020 /* 1280x1024 */
+#define FFB_FBCFG0_RES_STEREO	0x00000010 /* 960x580 */
+#define FFB_FBCFG0_RES_PRTRAIT	0x00000000 /* 1280x2048 */
+#define FFB_FBCFG0_ITRLACE	0x00000000
+#define FFB_FBCFG0_SEQUENTIAL	0x00000008
+#define FFB_FBCFG0_DRENA	0x00000004
+#define FFB_FBCFG0_BPMODE	0x00000002
+#define FFB_FBCFG0_RFRSH_RST	0x00000001
+
+typedef struct _ffb_dac {
+	volatile unsigned int	cfg;
+	volatile unsigned int	cfgdata;
+	volatile unsigned int	cur;
+	volatile unsigned int	curdata;
+} ffb_dac, *ffb_dacPtr;
+
+/* Writing 2 32-bit registers at a time using 64-bit stores. -DaveM */
+#if defined(__GNUC__) && defined(USE_VIS)
+/* 64-bit register writing support.
+ * Note: "lo" means "low address".
+ */
+#define FFB_WRITE64_COMMON(__regp, __lo32, __hi32, REG0, REG1) \
+do {	__extension__ register unsigned int __r0 __asm__(""#REG0); \
+	__extension__ register unsigned int __r1 __asm__(""#REG1); \
+	__r0 = (__lo32); \
+	__r1 = (__hi32); \
+	__asm__ __volatile__ ("sllx\t%0, 32, %%g1\n\t" \
+			      "srl\t%1, 0, %1\n\t" \
+			      "or\t%%g1, %1, %%g1\n\t" \
+			      "stx\t%%g1, %2" \
+	 : : "r" (__r0), "r" (__r1), "m" (*(__regp)) : "g1"); \
+} while(0)
+
+#define FFB_WRITE64P(__regp, __srcp) \
+do {	__asm__ __volatile__ ("ldx\t%0, %%g2;" \
+			      "stx\t%%g2, %1" \
+	 : : "m" (*(__srcp)), "m" (*(__regp)) \
+         : "g2"); \
+} while(0)			      
+
+#define FFB_WRITE64(__regp, __lo32, __hi32) \
+	FFB_WRITE64_COMMON(__regp, __lo32, __hi32, g2, g3)
+#define FFB_WRITE64_2(__regp, __lo32, __hi32) \
+	FFB_WRITE64_COMMON(__regp, __lo32, __hi32, g4, g5)
+#define FFB_WRITE64_3(__regp, __lo32, __hi32) \
+	FFB_WRITE64_COMMON(__regp, __lo32, __hi32, o4, o5)
+
+#else /* Do not use 64-bit writes. */
+
+#define FFB_WRITE64(__regp, __lo32, __hi32) \
+do {	volatile unsigned int *__p = (__regp); \
+	*__p = (__lo32); \
+	*(__p + 1) = (__hi32); \
+} while(0)
+
+#define FFB_WRITE64P(__regp, __srcp) \
+do {	volatile unsigned int *__p = (__regp); \
+	unsigned int *__q = (__srcp); \
+	*__p = *__q; \
+	*(__p + 1) = *(__q + 1); \
+} while(0)
+
+#define FFB_WRITE64_2(__regp, __lo32, __hi32) \
+	FFB_WRITE64(__regp, __lo32, __hi32)
+#define FFB_WRITE64_3(__regp, __lo32, __hi32) \
+	FFB_WRITE64(__regp, __lo32, __hi32)
+#endif
+
+#endif /* FFBREGS_H */