ffb_regs.h revision 89b0bd4c
1/* 2 * Acceleration for the Creator and Creator3D framebuffer - register layout. 3 * 4 * Copyright (C) 1998,1999,2000 Jakub Jelinek (jakub@redhat.com) 5 * Copyright (C) 1998 Michal Rehacek (majkl@iname.com) 6 * Copyright (C) 1999 David S. Miller (davem@redhat.com) 7 * 8 * Permission is hereby granted, free of charge, to any person obtaining a copy 9 * of this software and associated documentation files (the "Software"), to deal 10 * in the Software without restriction, including without limitation the rights 11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 12 * copies of the Software, and to permit persons to whom the Software is 13 * furnished to do so, subject to the following conditions: 14 * 15 * The above copyright notice and this permission notice shall be included in 16 * all copies or substantial portions of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 21 * JAKUB JELINEK, MICHAL REHACEK, OR DAVID MILLER BE LIABLE FOR ANY CLAIM, 22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 24 * USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 */ 27 28#ifndef FFBREGS_H 29#define FFBREGS_H 30 31/* Auxilliary clips. */ 32typedef struct { 33 volatile unsigned int min; 34 volatile unsigned int max; 35} ffb_auxclip, *ffb_auxclipPtr; 36 37/* FFB register set. */ 38typedef struct _ffb_fbc { 39 /* Next vertex registers, on the right we list which drawops 40 * use said register and the logical name the register has in 41 * that context. 42 */ /* DESCRIPTION DRAWOP(NAME) */ 43/*0x00*/unsigned int pad1[3]; /* Reserved */ 44/*0x0c*/volatile unsigned int alpha; /* ALPHA Transparency */ 45/*0x10*/volatile unsigned int red; /* RED */ 46/*0x14*/volatile unsigned int green; /* GREEN */ 47/*0x18*/volatile unsigned int blue; /* BLUE */ 48/*0x1c*/volatile unsigned int z; /* DEPTH */ 49/*0x20*/volatile unsigned int y; /* Y triangle(DOYF) */ 50 /* aadot(DYF) */ 51 /* ddline(DYF) */ 52 /* aaline(DYF) */ 53/*0x24*/volatile unsigned int x; /* X triangle(DOXF) */ 54 /* aadot(DXF) */ 55 /* ddline(DXF) */ 56 /* aaline(DXF) */ 57/*0x28*/unsigned int pad2[2]; /* Reserved */ 58/*0x30*/volatile unsigned int ryf; /* Y (alias to DOYF) ddline(RYF) */ 59 /* aaline(RYF) */ 60 /* triangle(RYF) */ 61/*0x34*/volatile unsigned int rxf; /* X ddline(RXF) */ 62 /* aaline(RXF) */ 63 /* triangle(RXF) */ 64/*0x38*/unsigned int pad3[2]; /* Reserved */ 65/*0x40*/volatile unsigned int dmyf; /* Y (alias to DOYF) triangle(DMYF) */ 66/*0x44*/volatile unsigned int dmxf; /* X triangle(DMXF) */ 67/*0x48*/unsigned int pad4[2]; /* Reserved */ 68/*0x50*/volatile unsigned int ebyi; /* Y (alias to RYI) polygon(EBYI) */ 69/*0x54*/volatile unsigned int ebxi; /* X polygon(EBXI) */ 70/*0x58*/unsigned int pad5[2]; /* Reserved */ 71/*0x60*/volatile unsigned int by; /* Y brline(RYI) */ 72 /* fastfill(OP) */ 73 /* polygon(YI) */ 74 /* rectangle(YI) */ 75 /* bcopy(SRCY) */ 76 /* vscroll(SRCY) */ 77/*0x64*/volatile unsigned int bx; /* X brline(RXI) */ 78 /* polygon(XI) */ 79 /* rectangle(XI) */ 80 /* bcopy(SRCX) */ 81 /* vscroll(SRCX) */ 82 /* fastfill(GO) */ 83/*0x68*/volatile unsigned int dy; /* destination Y fastfill(DSTY) */ 84 /* bcopy(DSRY) */ 85 /* vscroll(DSRY) */ 86/*0x6c*/volatile unsigned int dx; /* destination X fastfill(DSTX) */ 87 /* bcopy(DSTX) */ 88 /* vscroll(DSTX) */ 89/*0x70*/volatile unsigned int bh; /* Y (alias to RYI) brline(DYI) */ 90 /* dot(DYI) */ 91 /* polygon(ETYI) */ 92 /* Height fastfill(H) */ 93 /* bcopy(H) */ 94 /* vscroll(H) */ 95 /* Y count fastfill(NY) */ 96/*0x74*/volatile unsigned int bw; /* X dot(DXI) */ 97 /* brline(DXI) */ 98 /* polygon(ETXI) */ 99 /* fastfill(W) */ 100 /* bcopy(W) */ 101 /* vscroll(W) */ 102 /* fastfill(NX) */ 103/*0x78*/unsigned int pad6[2]; /* Reserved */ 104/*0x80*/unsigned int pad7[32]; /* Reserved */ 105 106 /* Setup Unit's vertex state register */ 107/*100*/ volatile unsigned int suvtx; 108/*104*/ unsigned int pad8[63]; /* Reserved */ 109 110 /* Frame Buffer Control Registers */ 111/*200*/ volatile unsigned int ppc; /* Pixel Processor Control */ 112/*204*/ volatile unsigned int wid; /* Current WID */ 113/*208*/ volatile unsigned int fg; /* FG data */ 114/*20c*/ volatile unsigned int bg; /* BG data */ 115/*210*/ volatile unsigned int consty; /* Constant Y */ 116/*214*/ volatile unsigned int constz; /* Constant Z */ 117/*218*/ volatile unsigned int xclip; /* X Clip */ 118/*21c*/ volatile unsigned int dcss; /* Depth Cue Scale Slope */ 119/*220*/ volatile unsigned int vclipmin; /* Viewclip XY Min Bounds */ 120/*224*/ volatile unsigned int vclipmax; /* Viewclip XY Max Bounds */ 121/*228*/ volatile unsigned int vclipzmin; /* Viewclip Z Min Bounds */ 122/*22c*/ volatile unsigned int vclipzmax; /* Viewclip Z Max Bounds */ 123/*230*/ volatile unsigned int dcsf; /* Depth Cue Scale Front Bound */ 124/*234*/ volatile unsigned int dcsb; /* Depth Cue Scale Back Bound */ 125/*238*/ volatile unsigned int dczf; /* Depth Cue Z Front */ 126/*23c*/ volatile unsigned int dczb; /* Depth Cue Z Back */ 127/*240*/ unsigned int pad9; /* Reserved */ 128/*244*/ volatile unsigned int blendc; /* Alpha Blend Control */ 129/*248*/ volatile unsigned int blendc1; /* Alpha Blend Color 1 */ 130/*24c*/ volatile unsigned int blendc2; /* Alpha Blend Color 2 */ 131/*250*/ volatile unsigned int fbramitc; /* FB RAM Interleave Test Control */ 132/*254*/ volatile unsigned int fbc; /* Frame Buffer Control */ 133/*258*/ volatile unsigned int rop; /* Raster OPeration */ 134/*25c*/ volatile unsigned int cmp; /* Frame Buffer Compare */ 135/*260*/ volatile unsigned int matchab; /* Buffer AB Match Mask */ 136/*264*/ volatile unsigned int matchc; /* Buffer C(YZ) Match Mask */ 137/*268*/ volatile unsigned int magnab; /* Buffer AB Magnitude Mask */ 138/*26c*/ volatile unsigned int magnc; /* Buffer C(YZ) Magnitude Mask */ 139/*270*/ volatile unsigned int fbcfg0; /* Frame Buffer Config 0 */ 140/*274*/ volatile unsigned int fbcfg1; /* Frame Buffer Config 1 */ 141/*278*/ volatile unsigned int fbcfg2; /* Frame Buffer Config 2 */ 142/*27c*/ volatile unsigned int fbcfg3; /* Frame Buffer Config 3 */ 143/*280*/ volatile unsigned int ppcfg; /* Pixel Processor Config */ 144/*284*/ volatile unsigned int pick; /* Picking Control */ 145/*288*/ volatile unsigned int fillmode; /* FillMode */ 146/*28c*/ volatile unsigned int fbramwac; /* FB RAM Write Address Control */ 147/*290*/ volatile unsigned int pmask; /* RGB PlaneMask */ 148/*294*/ volatile unsigned int xpmask; /* X PlaneMask */ 149/*298*/ volatile unsigned int ypmask; /* Y PlaneMask */ 150/*29c*/ volatile unsigned int zpmask; /* Z PlaneMask */ 151/*2a0*/ ffb_auxclip auxclip[4]; /* Auxilliary Viewport Clip */ 152 153 /* New 3dRAM III support regs */ 154/*2c0*/ volatile unsigned int rawblend2; 155/*2c4*/ volatile unsigned int rawpreblend; 156/*2c8*/ volatile unsigned int rawstencil; 157/*2cc*/ volatile unsigned int rawstencilctl; 158/*2d0*/ volatile unsigned int threedram1; 159/*2d4*/ volatile unsigned int threedram2; 160/*2d8*/ volatile unsigned int passin; 161/*2dc*/ volatile unsigned int rawclrdepth; 162/*2e0*/ volatile unsigned int rawpmask; 163/*2e4*/ volatile unsigned int rawcsrc; 164/*2e8*/ volatile unsigned int rawmatch; 165/*2ec*/ volatile unsigned int rawmagn; 166/*2f0*/ volatile unsigned int rawropblend; 167/*2f4*/ volatile unsigned int rawcmp; 168/*2f8*/ volatile unsigned int rawwac; 169/*2fc*/ volatile unsigned int fbramid; 170 171/*300*/ volatile unsigned int drawop; /* Draw OPeration */ 172/*304*/ unsigned int pad10[2]; /* Reserved */ 173/*30c*/ volatile unsigned int lpat; /* Line Pattern control */ 174/*310*/ unsigned int pad11; /* Reserved */ 175/*314*/ volatile unsigned int fontxy; /* XY Font coordinate */ 176/*318*/ volatile unsigned int fontw; /* Font Width */ 177/*31c*/ volatile unsigned int fontinc; /* Font Increment */ 178/*320*/ volatile unsigned int font; /* Font bits */ 179/*324*/ unsigned int pad12[3]; /* Reserved */ 180/*330*/ volatile unsigned int blend2; 181/*334*/ volatile unsigned int preblend; 182/*338*/ volatile unsigned int stencil; 183/*33c*/ volatile unsigned int stencilctl; 184 185/*340*/ unsigned int pad13[4]; /* Reserved */ 186/*350*/ volatile unsigned int dcss1; /* Depth Cue Scale Slope 1 */ 187/*354*/ volatile unsigned int dcss2; /* Depth Cue Scale Slope 2 */ 188/*358*/ volatile unsigned int dcss3; /* Depth Cue Scale Slope 3 */ 189/*35c*/ volatile unsigned int widpmask; 190/*360*/ volatile unsigned int dcs2; 191/*364*/ volatile unsigned int dcs3; 192/*368*/ volatile unsigned int dcs4; 193/*36c*/ unsigned int pad14; /* Reserved */ 194/*370*/ volatile unsigned int dcd2; 195/*374*/ volatile unsigned int dcd3; 196/*378*/ volatile unsigned int dcd4; 197/*37c*/ unsigned int pad15; /* Reserved */ 198/*380*/ volatile unsigned int pattern[32]; /* area Pattern */ 199/*400*/ unsigned int pad16[8]; /* Reserved */ 200/*420*/ volatile unsigned int reset; /* chip RESET */ 201/*424*/ unsigned int pad17[247]; /* Reserved */ 202/*800*/ volatile unsigned int devid; /* Device ID */ 203/*804*/ unsigned int pad18[63]; /* Reserved */ 204/*900*/ volatile unsigned int ucsr; /* User Control & Status Register */ 205/*904*/ unsigned int pad19[31]; /* Reserved */ 206/*980*/ volatile unsigned int mer; /* Mode Enable Register */ 207/*984*/ unsigned int pad20[1439]; /* Reserved */ 208} ffb_fbc, *ffb_fbcPtr; 209 210/* Draw operations */ 211#define FFB_DRAWOP_DOT 0x00 212#define FFB_DRAWOP_AADOT 0x01 213#define FFB_DRAWOP_BRLINECAP 0x02 214#define FFB_DRAWOP_BRLINEOPEN 0x03 215#define FFB_DRAWOP_DDLINE 0x04 216#define FFB_DRAWOP_AALINE 0x05 217#define FFB_DRAWOP_TRIANGLE 0x06 218#define FFB_DRAWOP_POLYGON 0x07 219#define FFB_DRAWOP_RECTANGLE 0x08 220#define FFB_DRAWOP_FASTFILL 0x09 221#define FFB_DRAWOP_BCOPY 0x0a /* Not implemented in any FFB, VIS is faster */ 222#define FFB_DRAWOP_VSCROLL 0x0b /* Up to 12x faster than BCOPY, 3-4x faster than VIS */ 223 224/* FastFill operation codes. */ 225#define FFB_FASTFILL_PAGE 0x01 226#define FFB_FASTFILL_BLOCK 0x02 227#define FFB_FASTFILL_COLOR_BLK 0x03 228#define FFB_FASTFILL_BLOCK_X 0x04 229 230/* Spanfill Unit Line Pattern */ 231#define FFB_LPAT_SCALEPTR 0xf0000000 232#define FFB_LPAT_SCALEPTR_SHIFT 28 233#define FFB_LPAT_PATPTR 0x0f000000 234#define FFB_LPAT_PATPTR_SHIFT 24 235#define FFB_LPAT_SCALEVAL 0x00f00000 236#define FFB_LPAT_SCALEVAL_SHIFT 20 237#define FFB_LPAT_PATLEN 0x000f0000 238#define FFB_LPAT_PATLEN_SHIFT 16 239#define FFB_LPAT_PATTERN 0x0000ffff 240#define FFB_LPAT_PATTERN_SHIFT 0 241 242/* Pixel processor control */ 243/* Force WID */ 244#define FFB_PPC_FW_DISABLE 0x800000 245#define FFB_PPC_FW_ENABLE 0xc00000 246#define FFB_PPC_FW_MASK 0xc00000 247/* Auxiliary clip */ 248#define FFB_PPC_ACE_DISABLE 0x040000 249#define FFB_PPC_ACE_AUX_SUB 0x080000 250#define FFB_PPC_ACE_AUX_ADD 0x0c0000 251#define FFB_PPC_ACE_MASK 0x0c0000 252/* Depth cue */ 253#define FFB_PPC_DCE_DISABLE 0x020000 254#define FFB_PPC_DCE_ENABLE 0x030000 255#define FFB_PPC_DCE_MASK 0x030000 256/* Alpha blend */ 257#define FFB_PPC_ABE_DISABLE 0x008000 258#define FFB_PPC_ABE_ENABLE 0x00c000 259#define FFB_PPC_ABE_MASK 0x00c000 260/* View clip */ 261#define FFB_PPC_VCE_DISABLE 0x001000 262#define FFB_PPC_VCE_2D 0x002000 263#define FFB_PPC_VCE_3D 0x003000 264#define FFB_PPC_VCE_MASK 0x003000 265/* Area pattern */ 266#define FFB_PPC_APE_DISABLE 0x000800 267#define FFB_PPC_APE_ENABLE 0x000c00 268#define FFB_PPC_APE_MASK 0x000c00 269/* Transparent background */ 270#define FFB_PPC_TBE_OPAQUE 0x000200 271#define FFB_PPC_TBE_TRANSPARENT 0x000300 272#define FFB_PPC_TBE_MASK 0x000300 273/* Z source */ 274#define FFB_PPC_ZS_VAR 0x000080 275#define FFB_PPC_ZS_CONST 0x0000c0 276#define FFB_PPC_ZS_MASK 0x0000c0 277/* Y source */ 278#define FFB_PPC_YS_VAR 0x000020 279#define FFB_PPC_YS_CONST 0x000030 280#define FFB_PPC_YS_MASK 0x000030 281/* X source */ 282#define FFB_PPC_XS_WID 0x000004 283#define FFB_PPC_XS_VAR 0x000008 284#define FFB_PPC_XS_CONST 0x00000c 285#define FFB_PPC_XS_MASK 0x00000c 286/* Color (BGR) source */ 287#define FFB_PPC_CS_VAR 0x000002 288#define FFB_PPC_CS_CONST 0x000003 289#define FFB_PPC_CS_MASK 0x000003 290 291/* X Clip */ 292#define FFB_XCLIP_XREF 0x000000ff 293#define FFB_XCLIP_TEST_MASK 0x00070000 294#define FFB_XCLIP_TEST_ALWAYS 0x00000000 295#define FFB_XCLIP_TEST_GT 0x00010000 296#define FFB_XCLIP_TEST_EQ 0x00020000 297#define FFB_XCLIP_TEST_GE 0x00030000 298#define FFB_XCLIP_TEST_NEVER 0x00040000 299#define FFB_XCLIP_TEST_LE 0x00050000 300#define FFB_XCLIP_TEST_NE 0x00060000 301#define FFB_XCLIP_TEST_LT 0x00070000 302 303/* FB Control register */ 304/* Write buffer dest */ 305#define FFB_FBC_WB_A 0x20000000 306#define FFB_FBC_WB_B 0x40000000 307#define FFB_FBC_WB_AB 0x60000000 308#define FFB_FBC_WB_C 0x80000000 309#define FFB_FBC_WB_AC 0xa0000000 310#define FFB_FBC_WB_BC 0xc0000000 311#define FFB_FBC_WB_ABC 0xe0000000 312#define FFB_FBC_WB_MASK 0xe0000000 313/* Write enable */ 314#define FFB_FBC_WE_FORCEOFF 0x00100000 315#define FFB_FBC_WE_FORCEON 0x00200000 316#define FFB_FBC_WE_USE_WMASK 0x00300000 317#define FFB_FBC_WE_MASK 0x00300000 318/* Write group mode */ 319#define FFB_FBC_WM_RSVD 0x00040000 320#define FFB_FBC_WM_COMBINED 0x00080000 321#define FFB_FBC_WM_SEPARATE 0x000c0000 322#define FFB_FBC_WM_MASK 0x000c0000 323/* Read buffer src */ 324#define FFB_FBC_RB_A 0x00004000 325#define FFB_FBC_RB_B 0x00008000 326#define FFB_FBC_RB_C 0x0000c000 327#define FFB_FBC_RB_MASK 0x0000c000 328/* Stereo buf dest */ 329#define FFB_FBC_SB_LEFT 0x00001000 330#define FFB_FBC_SB_RIGHT 0x00002000 331#define FFB_FBC_SB_BOTH 0x00003000 332#define FFB_FBC_SB_MASK 0x00003000 333/* Z plane group enable */ 334#define FFB_FBC_ZE_OFF 0x00000400 335#define FFB_FBC_ZE_ON 0x00000800 336#define FFB_FBC_ZE_MASK 0x00000c00 337/* Y plane group enable */ 338#define FFB_FBC_YE_OFF 0x00000100 339#define FFB_FBC_YE_ON 0x00000200 340#define FFB_FBC_YE_MASK 0x00000300 341/* X plane group enable */ 342#define FFB_FBC_XE_OFF 0x00000040 343#define FFB_FBC_XE_ON 0x00000080 344#define FFB_FBC_XE_MASK 0x000000c0 345/* B plane group enable */ 346#define FFB_FBC_BE_OFF 0x00000010 347#define FFB_FBC_BE_ON 0x00000020 348#define FFB_FBC_BE_MASK 0x00000030 349/* G plane group enable */ 350#define FFB_FBC_GE_OFF 0x00000004 351#define FFB_FBC_GE_ON 0x00000008 352#define FFB_FBC_GE_MASK 0x0000000c 353/* R plane group enable */ 354#define FFB_FBC_RE_OFF 0x00000001 355#define FFB_FBC_RE_ON 0x00000002 356#define FFB_FBC_RE_MASK 0x00000003 357/* Combined */ 358#define FFB_FBC_RGBE_OFF 0x00000015 359#define FFB_FBC_RGBE_ON 0x0000002a 360#define FFB_FBC_RGBE_MASK 0x0000003f 361 362/* Raster OP */ 363#define FFB_ROP_YZ_MASK 0x008f0000 364#define FFB_ROP_X_MASK 0x00008f00 365#define FFB_ROP_RGB_MASK 0x0000008f 366 367/* Now the rops themselves which get shifted into the 368 * above fields. 369 */ 370#define FFB_ROP_EDIT_BIT 0x80 371#define FFB_ROP_ZERO 0x80 372#define FFB_ROP_NEW_AND_OLD 0x81 373#define FFB_ROP_NEW_AND_NOLD 0x82 374#define FFB_ROP_NEW 0x83 375#define FFB_ROP_NNEW_AND_OLD 0x84 376#define FFB_ROP_OLD 0x85 377#define FFB_ROP_NEW_XOR_OLD 0x86 378#define FFB_ROP_NEW_OR_OLD 0x87 379#define FFB_ROP_NNEW_AND_NOLD 0x88 380#define FFB_ROP_NNEW_XOR_NOLD 0x89 381#define FFB_ROP_NOLD 0x8a 382#define FFB_ROP_NEW_OR_NOLD 0x8b 383#define FFB_ROP_NNEW 0x8c 384#define FFB_ROP_NNEW_OR_OLD 0x8d 385#define FFB_ROP_NNEW_OR_NOLD 0x8e 386#define FFB_ROP_ONES 0x8f 387 388/* FB Compare */ 389#define FFB_CMP_MATCHC_MASK 0x8f000000 390#define FFB_CMP_MAGNC_MASK 0x00870000 391#define FFB_CMP_MATCHAB_MASK 0x0000ff00 392#define FFB_CMP_MAGNAB_MASK 0x000000ff 393 394/* Compare Match codes */ 395#define FFB_CMP_MATCH_EDIT_BIT 0x80 396#define FFB_CMP_MATCH_ALWAYS 0x80 397#define FFB_CMP_MATCH_NEVER 0x81 398#define FFB_CMP_MATCH_EQ 0x82 399#define FFB_CMP_MATCH_NE 0x83 400#define FFB_CMP_MATCH_A_ALWAYS 0xc0 401#define FFB_CMP_MATCH_B_ALWAYS 0xa0 402 403/* Compare Magnitude codes */ 404#define FFB_CMP_MAGN_EDIT_BIT 0x80 405#define FFB_CMP_MAGN_ALWAYS 0x80 406#define FFB_CMP_MAGN_GT 0x81 407#define FFB_CMP_MAGN_EQ 0x82 408#define FFB_CMP_MAGN_GE 0x83 409#define FFB_CMP_MAGN_NEVER 0x84 410#define FFB_CMP_MAGN_LE 0x85 411#define FFB_CMP_MAGN_NE 0x86 412#define FFB_CMP_MAGN_LT 0x87 413#define FFB_CMP_MAGN_A_ALWAYS 0xc0 414#define FFB_CMP_MAGN_B_ALWAYS 0xa0 415 416/* User Control and Status */ 417#define FFB_UCSR_FIFO_MASK 0x00000fff 418#define FFB_UCSR_PICK_NO_HIT 0x00020000 419#define FFB_UCSR_PICK_HIT 0x00030000 420#define FFB_UCSR_PICK_DISABLE 0x00080000 421#define FFB_UCSR_PICK_ENABLE 0x000c0000 422#define FFB_UCSR_FB_BUSY 0x01000000 423#define FFB_UCSR_RP_BUSY 0x02000000 424#define FFB_UCSR_ALL_BUSY (FFB_UCSR_RP_BUSY|FFB_UCSR_FB_BUSY) 425#define FFB_UCSR_READ_ERR 0x40000000 426#define FFB_UCSR_FIFO_OVFL 0x80000000 427#define FFB_UCSR_ALL_ERRORS (FFB_UCSR_READ_ERR|FFB_UCSR_FIFO_OVFL) 428 429/* Mode Enable Register */ 430#define FFB_MER_EIRA 0x00000080 /* Enable read-ahead, increasing */ 431#define FFB_MER_EDRA 0x000000c0 /* Enable read-ahead, decreasing */ 432#define FFB_MER_DRA 0x00000040 /* No read-ahead */ 433 434/* Alpha Blend Control */ 435#define FFB_BLENDC_FORCE_ONE 0x00000010 /* Defines 0xff as 1.0 */ 436#define FFB_BLENDC_DF_MASK 0x0000000c /* Destination Frac Mask */ 437#define FFB_BLENDC_DF_ZERO 0x00000000 /* Destination Frac: 0.00 */ 438#define FFB_BLENDC_DF_ONE 0x00000004 /* Destination Frac: 1.00 */ 439#define FFB_BLENDC_DF_ONE_M_A 0x00000008 /* Destination Frac: 1.00 - Xsrc */ 440#define FFB_BLENDC_DF_A 0x0000000c /* Destination Frac: Xsrc */ 441#define FFB_BLENDC_SF_MASK 0x00000003 /* Source Frac Mask */ 442#define FFB_BLENDC_SF_ZERO 0x00000000 /* Source Frac: 0.00 */ 443#define FFB_BLENDC_SF_ONE 0x00000001 /* Source Frac: 1.00 */ 444#define FFB_BLENDC_SF_ONE_M_A 0x00000002 /* Source Frac: 1.00 - Xsrc */ 445#define FFB_BLENDC_SF_A 0x00000003 /* Source Frac: Xsrc */ 446 447/* FBram Config 0 */ 448#define FFB_FBCFG0_RFTIME 0xff800000 449#define FFB_FBCFG0_XMAX 0x007c0000 450#define FFB_FBCFG0_YMAX 0x0003ffc0 451#define FFB_FBCFG0_RES_MASK 0x00000030 452#define FFB_FBCFG0_RES_HIGH 0x00000030 /* 1920x1360 */ 453#define FFB_FBCFG0_RES_STD 0x00000020 /* 1280x1024 */ 454#define FFB_FBCFG0_RES_STEREO 0x00000010 /* 960x580 */ 455#define FFB_FBCFG0_RES_PRTRAIT 0x00000000 /* 1280x2048 */ 456#define FFB_FBCFG0_ITRLACE 0x00000000 457#define FFB_FBCFG0_SEQUENTIAL 0x00000008 458#define FFB_FBCFG0_DRENA 0x00000004 459#define FFB_FBCFG0_BPMODE 0x00000002 460#define FFB_FBCFG0_RFRSH_RST 0x00000001 461 462typedef struct _ffb_dac { 463 volatile unsigned int cfg; 464 volatile unsigned int cfgdata; 465 volatile unsigned int cur; 466 volatile unsigned int curdata; 467} ffb_dac, *ffb_dacPtr; 468 469/* Writing 2 32-bit registers at a time using 64-bit stores. -DaveM */ 470#if defined(__GNUC__) && defined(USE_VIS) 471/* 64-bit register writing support. 472 * Note: "lo" means "low address". 473 */ 474#define FFB_WRITE64_COMMON(__regp, __lo32, __hi32, REG0, REG1) \ 475do { __extension__ register unsigned int __r0 __asm__(""#REG0); \ 476 __extension__ register unsigned int __r1 __asm__(""#REG1); \ 477 __r0 = (__lo32); \ 478 __r1 = (__hi32); \ 479 __asm__ __volatile__ ("sllx\t%0, 32, %%g1\n\t" \ 480 "srl\t%1, 0, %1\n\t" \ 481 "or\t%%g1, %1, %%g1\n\t" \ 482 "stx\t%%g1, %2" \ 483 : : "r" (__r0), "r" (__r1), "m" (*(__regp)) : "g1"); \ 484} while(0) 485 486#define FFB_WRITE64P(__regp, __srcp) \ 487do { __asm__ __volatile__ ("ldx\t%0, %%g2;" \ 488 "stx\t%%g2, %1" \ 489 : : "m" (*(__srcp)), "m" (*(__regp)) \ 490 : "g2"); \ 491} while(0) 492 493#define FFB_WRITE64(__regp, __lo32, __hi32) \ 494 FFB_WRITE64_COMMON(__regp, __lo32, __hi32, g2, g3) 495#define FFB_WRITE64_2(__regp, __lo32, __hi32) \ 496 FFB_WRITE64_COMMON(__regp, __lo32, __hi32, g4, g5) 497#define FFB_WRITE64_3(__regp, __lo32, __hi32) \ 498 FFB_WRITE64_COMMON(__regp, __lo32, __hi32, o4, o5) 499 500#else /* Do not use 64-bit writes. */ 501 502#define FFB_WRITE64(__regp, __lo32, __hi32) \ 503do { volatile unsigned int *__p = (__regp); \ 504 *__p = (__lo32); \ 505 *(__p + 1) = (__hi32); \ 506} while(0) 507 508#define FFB_WRITE64P(__regp, __srcp) \ 509do { volatile unsigned int *__p = (__regp); \ 510 unsigned int *__q = (__srcp); \ 511 *__p = *__q; \ 512 *(__p + 1) = *(__q + 1); \ 513} while(0) 514 515#define FFB_WRITE64_2(__regp, __lo32, __hi32) \ 516 FFB_WRITE64(__regp, __lo32, __hi32) 517#define FFB_WRITE64_3(__regp, __lo32, __hi32) \ 518 FFB_WRITE64(__regp, __lo32, __hi32) 519#endif 520 521#define FFB_ATTR_SFB_VAR_XAA(__fpriv, __pmask, __alu) \ 522do { unsigned int __ppc = FFB_PPC_ABE_DISABLE | FFB_PPC_APE_DISABLE | FFB_PPC_CS_VAR | FFB_PPC_XS_WID; \ 523 unsigned int __ppc_mask = FFB_PPC_ABE_MASK | FFB_PPC_APE_MASK | FFB_PPC_CS_MASK | FFB_PPC_XS_MASK; \ 524 unsigned int __rop = (FFB_ROP_EDIT_BIT | (__alu))|(FFB_ROP_NEW<<8); \ 525 unsigned int __fbc = (__fpriv)->fbc; \ 526 unsigned int __wid = (__fpriv)->wid; \ 527 if (((__fpriv)->ppc_cache & __ppc_mask) != __ppc || \ 528 (__fpriv)->fbc_cache != __fbc || \ 529 (__fpriv)->wid_cache != __wid || \ 530 (__fpriv)->rop_cache != __rop || \ 531 (__fpriv)->pmask_cache != (__pmask)) \ 532 __FFB_Attr_SFB_VAR(__fpriv, __ppc, __ppc_mask, __fbc, \ 533 __wid, __rop, (__pmask)); \ 534} while(0) 535 536#define FFB_ATTR_VSCROLL_XAA(__fpriv, __pmask) \ 537do { unsigned int __ppc = FFB_PPC_ABE_DISABLE | FFB_PPC_APE_DISABLE | FFB_PPC_CS_VAR | FFB_PPC_XS_WID; \ 538 unsigned int __ppc_mask = FFB_PPC_ABE_MASK | FFB_PPC_APE_MASK | FFB_PPC_CS_MASK | FFB_PPC_XS_MASK; \ 539 unsigned int __rop = (FFB_ROP_OLD | (FFB_ROP_OLD << 8)); \ 540 unsigned int __fbc = (__fpriv)->fbc; \ 541 (__fpriv)->ppc_cache &= ~__ppc_mask; \ 542 (__fpriv)->ppc_cache |= __ppc; \ 543 (__fpriv)->regs->ppc = __ppc; \ 544 if ((__fpriv)->fbc_cache != __fbc || \ 545 (__fpriv)->rop_cache != __rop || \ 546 (__fpriv)->pmask_cache != (__pmask) || \ 547 (__fpriv)->drawop_cache != FFB_DRAWOP_VSCROLL) { \ 548 ffb_fbcPtr __ffb = (__fpriv)->regs; \ 549 (__fpriv)->fbc_cache = __fbc; \ 550 (__fpriv)->rop_cache = __rop; \ 551 (__fpriv)->pmask_cache = (__pmask); \ 552 (__fpriv)->drawop_cache = FFB_DRAWOP_VSCROLL; \ 553 (__fpriv)->rp_active = 1; \ 554 FFBFifo(__fpriv, 4); \ 555 (__ffb)->fbc = __fbc; \ 556 (__ffb)->rop = __rop; \ 557 (__ffb)->pmask = (__pmask); \ 558 (__ffb)->drawop = FFB_DRAWOP_VSCROLL; \ 559 } \ 560} while(0) 561 562#endif /* FFBREGS_H */ 563