/* * 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. * */ #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 */