1/* 2 * 3 * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400 4 * 5 * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz> 6 * 7 * Portions Copyright (c) 2001 Matrox Graphics Inc. 8 * 9 * Version: 1.65 2002/08/14 10 * 11 * MTRR stuff: 1998 Tom Rini <trini@kernel.crashing.org> 12 * 13 * Contributors: "menion?" <menion@mindless.com> 14 * Betatesting, fixes, ideas 15 * 16 * "Kurt Garloff" <garloff@suse.de> 17 * Betatesting, fixes, ideas, videomodes, videomodes timmings 18 * 19 * "Tom Rini" <trini@kernel.crashing.org> 20 * MTRR stuff, PPC cleanups, betatesting, fixes, ideas 21 * 22 * "Bibek Sahu" <scorpio@dodds.net> 23 * Access device through readb|w|l and write b|w|l 24 * Extensive debugging stuff 25 * 26 * "Daniel Haun" <haund@usa.net> 27 * Testing, hardware cursor fixes 28 * 29 * "Scott Wood" <sawst46+@pitt.edu> 30 * Fixes 31 * 32 * "Gerd Knorr" <kraxel@goldbach.isdn.cs.tu-berlin.de> 33 * Betatesting 34 * 35 * "Kelly French" <targon@hazmat.com> 36 * "Fernando Herrera" <fherrera@eurielec.etsit.upm.es> 37 * Betatesting, bug reporting 38 * 39 * "Pablo Bianucci" <pbian@pccp.com.ar> 40 * Fixes, ideas, betatesting 41 * 42 * "Inaky Perez Gonzalez" <inaky@peloncho.fis.ucm.es> 43 * Fixes, enhandcements, ideas, betatesting 44 * 45 * "Ryuichi Oikawa" <roikawa@rr.iiij4u.or.jp> 46 * PPC betatesting, PPC support, backward compatibility 47 * 48 * "Paul Womar" <Paul@pwomar.demon.co.uk> 49 * "Owen Waller" <O.Waller@ee.qub.ac.uk> 50 * PPC betatesting 51 * 52 * "Thomas Pornin" <pornin@bolet.ens.fr> 53 * Alpha betatesting 54 * 55 * "Pieter van Leuven" <pvl@iae.nl> 56 * "Ulf Jaenicke-Roessler" <ujr@physik.phy.tu-dresden.de> 57 * G100 testing 58 * 59 * "H. Peter Arvin" <hpa@transmeta.com> 60 * Ideas 61 * 62 * "Cort Dougan" <cort@cs.nmt.edu> 63 * CHRP fixes and PReP cleanup 64 * 65 * "Mark Vojkovich" <mvojkovi@ucsd.edu> 66 * G400 support 67 * 68 * (following author is not in any relation with this code, but his code 69 * is included in this driver) 70 * 71 * Based on framebuffer driver for VBE 2.0 compliant graphic boards 72 * (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de> 73 * 74 * (following author is not in any relation with this code, but his ideas 75 * were used when writing this driver) 76 * 77 * FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk> 78 * 79 */ 80 81 82#include "matroxfb_Ti3026.h" 83#include "matroxfb_misc.h" 84#include "matroxfb_accel.h" 85#include <linux/matroxfb.h> 86 87#ifdef CONFIG_FB_MATROX_MILLENIUM 88#define outTi3026 matroxfb_DAC_out 89#define inTi3026 matroxfb_DAC_in 90 91#define TVP3026_INDEX 0x00 92#define TVP3026_PALWRADD 0x00 93#define TVP3026_PALDATA 0x01 94#define TVP3026_PIXRDMSK 0x02 95#define TVP3026_PALRDADD 0x03 96#define TVP3026_CURCOLWRADD 0x04 97#define TVP3026_CLOVERSCAN 0x00 98#define TVP3026_CLCOLOR0 0x01 99#define TVP3026_CLCOLOR1 0x02 100#define TVP3026_CLCOLOR2 0x03 101#define TVP3026_CURCOLDATA 0x05 102#define TVP3026_CURCOLRDADD 0x07 103#define TVP3026_CURCTRL 0x09 104#define TVP3026_X_DATAREG 0x0A 105#define TVP3026_CURRAMDATA 0x0B 106#define TVP3026_CURPOSXL 0x0C 107#define TVP3026_CURPOSXH 0x0D 108#define TVP3026_CURPOSYL 0x0E 109#define TVP3026_CURPOSYH 0x0F 110 111#define TVP3026_XSILICONREV 0x01 112#define TVP3026_XCURCTRL 0x06 113#define TVP3026_XCURCTRL_DIS 0x00 /* transparent, transparent, transparent, transparent */ 114#define TVP3026_XCURCTRL_3COLOR 0x01 /* transparent, 0, 1, 2 */ 115#define TVP3026_XCURCTRL_XGA 0x02 /* 0, 1, transparent, complement */ 116#define TVP3026_XCURCTRL_XWIN 0x03 /* transparent, transparent, 0, 1 */ 117#define TVP3026_XCURCTRL_BLANK2048 0x00 118#define TVP3026_XCURCTRL_BLANK4096 0x10 119#define TVP3026_XCURCTRL_INTERLACED 0x20 120#define TVP3026_XCURCTRL_ODD 0x00 /* ext.signal ODD/\EVEN */ 121#define TVP3026_XCURCTRL_EVEN 0x40 /* ext.signal EVEN/\ODD */ 122#define TVP3026_XCURCTRL_INDIRECT 0x00 123#define TVP3026_XCURCTRL_DIRECT 0x80 124#define TVP3026_XLATCHCTRL 0x0F 125#define TVP3026_XLATCHCTRL_1_1 0x06 126#define TVP3026_XLATCHCTRL_2_1 0x07 127#define TVP3026_XLATCHCTRL_4_1 0x06 128#define TVP3026_XLATCHCTRL_8_1 0x06 129#define TVP3026_XLATCHCTRL_16_1 0x06 130#define TVP3026A_XLATCHCTRL_4_3 0x06 /* ??? do not understand... but it works... !!! */ 131#define TVP3026A_XLATCHCTRL_8_3 0x07 132#define TVP3026B_XLATCHCTRL_4_3 0x08 133#define TVP3026B_XLATCHCTRL_8_3 0x06 /* ??? do not understand... but it works... !!! */ 134#define TVP3026_XTRUECOLORCTRL 0x18 135#define TVP3026_XTRUECOLORCTRL_VRAM_SHIFT_ACCEL 0x00 136#define TVP3026_XTRUECOLORCTRL_VRAM_SHIFT_TVP 0x20 137#define TVP3026_XTRUECOLORCTRL_PSEUDOCOLOR 0x80 138#define TVP3026_XTRUECOLORCTRL_TRUECOLOR 0x40 /* paletized */ 139#define TVP3026_XTRUECOLORCTRL_DIRECTCOLOR 0x00 140#define TVP3026_XTRUECOLORCTRL_24_ALTERNATE 0x08 /* 5:4/5:2 instead of 4:3/8:3 */ 141#define TVP3026_XTRUECOLORCTRL_RGB_888 0x16 /* 4:3/8:3 (or 5:4/5:2) */ 142#define TVP3026_XTRUECOLORCTRL_BGR_888 0x17 143#define TVP3026_XTRUECOLORCTRL_ORGB_8888 0x06 144#define TVP3026_XTRUECOLORCTRL_BGRO_8888 0x07 145#define TVP3026_XTRUECOLORCTRL_RGB_565 0x05 146#define TVP3026_XTRUECOLORCTRL_ORGB_1555 0x04 147#define TVP3026_XTRUECOLORCTRL_RGB_664 0x03 148#define TVP3026_XTRUECOLORCTRL_RGBO_4444 0x01 149#define TVP3026_XMUXCTRL 0x19 150#define TVP3026_XMUXCTRL_MEMORY_8BIT 0x01 /* - */ 151#define TVP3026_XMUXCTRL_MEMORY_16BIT 0x02 /* - */ 152#define TVP3026_XMUXCTRL_MEMORY_32BIT 0x03 /* 2MB RAM, 512K * 4 */ 153#define TVP3026_XMUXCTRL_MEMORY_64BIT 0x04 /* >2MB RAM, 512K * 8 & more */ 154#define TVP3026_XMUXCTRL_PIXEL_4BIT 0x40 /* L0,H0,L1,H1... */ 155#define TVP3026_XMUXCTRL_PIXEL_4BIT_SWAPPED 0x60 /* H0,L0,H1,L1... */ 156#define TVP3026_XMUXCTRL_PIXEL_8BIT 0x48 157#define TVP3026_XMUXCTRL_PIXEL_16BIT 0x50 158#define TVP3026_XMUXCTRL_PIXEL_32BIT 0x58 159#define TVP3026_XMUXCTRL_VGA 0x98 /* VGA MEMORY, 8BIT PIXEL */ 160#define TVP3026_XCLKCTRL 0x1A 161#define TVP3026_XCLKCTRL_DIV1 0x00 162#define TVP3026_XCLKCTRL_DIV2 0x10 163#define TVP3026_XCLKCTRL_DIV4 0x20 164#define TVP3026_XCLKCTRL_DIV8 0x30 165#define TVP3026_XCLKCTRL_DIV16 0x40 166#define TVP3026_XCLKCTRL_DIV32 0x50 167#define TVP3026_XCLKCTRL_DIV64 0x60 168#define TVP3026_XCLKCTRL_CLKSTOPPED 0x70 169#define TVP3026_XCLKCTRL_SRC_CLK0 0x00 170#define TVP3026_XCLKCTRL_SRC_CLK1 0x01 171#define TVP3026_XCLKCTRL_SRC_CLK2 0x02 /* CLK2 is TTL source*/ 172#define TVP3026_XCLKCTRL_SRC_NCLK2 0x03 /* not CLK2 is TTL source */ 173#define TVP3026_XCLKCTRL_SRC_ECLK2 0x04 /* CLK2 and not CLK2 is ECL source */ 174#define TVP3026_XCLKCTRL_SRC_PLL 0x05 175#define TVP3026_XCLKCTRL_SRC_DIS 0x06 /* disable & poweroff internal clock */ 176#define TVP3026_XCLKCTRL_SRC_CLK0VGA 0x07 177#define TVP3026_XPALETTEPAGE 0x1C 178#define TVP3026_XGENCTRL 0x1D 179#define TVP3026_XGENCTRL_HSYNC_POS 0x00 180#define TVP3026_XGENCTRL_HSYNC_NEG 0x01 181#define TVP3026_XGENCTRL_VSYNC_POS 0x00 182#define TVP3026_XGENCTRL_VSYNC_NEG 0x02 183#define TVP3026_XGENCTRL_LITTLE_ENDIAN 0x00 184#define TVP3026_XGENCTRL_BIG_ENDIAN 0x08 185#define TVP3026_XGENCTRL_BLACK_0IRE 0x00 186#define TVP3026_XGENCTRL_BLACK_75IRE 0x10 187#define TVP3026_XGENCTRL_NO_SYNC_ON_GREEN 0x00 188#define TVP3026_XGENCTRL_SYNC_ON_GREEN 0x20 189#define TVP3026_XGENCTRL_OVERSCAN_DIS 0x00 190#define TVP3026_XGENCTRL_OVERSCAN_EN 0x40 191#define TVP3026_XMISCCTRL 0x1E 192#define TVP3026_XMISCCTRL_DAC_PUP 0x00 193#define TVP3026_XMISCCTRL_DAC_PDOWN 0x01 194#define TVP3026_XMISCCTRL_DAC_EXT 0x00 /* or 8, bit 3 is ignored */ 195#define TVP3026_XMISCCTRL_DAC_6BIT 0x04 196#define TVP3026_XMISCCTRL_DAC_8BIT 0x0C 197#define TVP3026_XMISCCTRL_PSEL_DIS 0x00 198#define TVP3026_XMISCCTRL_PSEL_EN 0x10 199#define TVP3026_XMISCCTRL_PSEL_LOW 0x00 /* PSEL high selects directcolor */ 200#define TVP3026_XMISCCTRL_PSEL_HIGH 0x20 /* PSEL high selects truecolor or pseudocolor */ 201#define TVP3026_XGENIOCTRL 0x2A 202#define TVP3026_XGENIODATA 0x2B 203#define TVP3026_XPLLADDR 0x2C 204#define TVP3026_XPLLADDR_X(LOOP,MCLK,PIX) (((LOOP)<<4) | ((MCLK)<<2) | (PIX)) 205#define TVP3026_XPLLDATA_N 0x00 206#define TVP3026_XPLLDATA_M 0x01 207#define TVP3026_XPLLDATA_P 0x02 208#define TVP3026_XPLLDATA_STAT 0x03 209#define TVP3026_XPIXPLLDATA 0x2D 210#define TVP3026_XMEMPLLDATA 0x2E 211#define TVP3026_XLOOPPLLDATA 0x2F 212#define TVP3026_XCOLKEYOVRMIN 0x30 213#define TVP3026_XCOLKEYOVRMAX 0x31 214#define TVP3026_XCOLKEYREDMIN 0x32 215#define TVP3026_XCOLKEYREDMAX 0x33 216#define TVP3026_XCOLKEYGREENMIN 0x34 217#define TVP3026_XCOLKEYGREENMAX 0x35 218#define TVP3026_XCOLKEYBLUEMIN 0x36 219#define TVP3026_XCOLKEYBLUEMAX 0x37 220#define TVP3026_XCOLKEYCTRL 0x38 221#define TVP3026_XCOLKEYCTRL_OVR_EN 0x01 222#define TVP3026_XCOLKEYCTRL_RED_EN 0x02 223#define TVP3026_XCOLKEYCTRL_GREEN_EN 0x04 224#define TVP3026_XCOLKEYCTRL_BLUE_EN 0x08 225#define TVP3026_XCOLKEYCTRL_NEGATE 0x10 226#define TVP3026_XCOLKEYCTRL_ZOOM1 0x00 227#define TVP3026_XCOLKEYCTRL_ZOOM2 0x20 228#define TVP3026_XCOLKEYCTRL_ZOOM4 0x40 229#define TVP3026_XCOLKEYCTRL_ZOOM8 0x60 230#define TVP3026_XCOLKEYCTRL_ZOOM16 0x80 231#define TVP3026_XCOLKEYCTRL_ZOOM32 0xA0 232#define TVP3026_XMEMPLLCTRL 0x39 233#define TVP3026_XMEMPLLCTRL_DIV(X) (((X)-1)>>1) /* 2,4,6,8,10,12,14,16, division applied to LOOP PLL after divide by 2^P */ 234#define TVP3026_XMEMPLLCTRL_STROBEMKC4 0x08 235#define TVP3026_XMEMPLLCTRL_MCLK_DOTCLOCK 0x00 /* MKC4 */ 236#define TVP3026_XMEMPLLCTRL_MCLK_MCLKPLL 0x10 /* MKC4 */ 237#define TVP3026_XMEMPLLCTRL_RCLK_PIXPLL 0x00 238#define TVP3026_XMEMPLLCTRL_RCLK_LOOPPLL 0x20 239#define TVP3026_XMEMPLLCTRL_RCLK_DOTDIVN 0x40 /* dot clock divided by loop pclk N prescaler */ 240#define TVP3026_XSENSETEST 0x3A 241#define TVP3026_XTESTMODEDATA 0x3B 242#define TVP3026_XCRCREML 0x3C 243#define TVP3026_XCRCREMH 0x3D 244#define TVP3026_XCRCBITSEL 0x3E 245#define TVP3026_XID 0x3F 246 247static const unsigned char DACseq[] = 248{ TVP3026_XLATCHCTRL, TVP3026_XTRUECOLORCTRL, 249 TVP3026_XMUXCTRL, TVP3026_XCLKCTRL, 250 TVP3026_XPALETTEPAGE, 251 TVP3026_XGENCTRL, 252 TVP3026_XMISCCTRL, 253 TVP3026_XGENIOCTRL, 254 TVP3026_XGENIODATA, 255 TVP3026_XCOLKEYOVRMIN, TVP3026_XCOLKEYOVRMAX, TVP3026_XCOLKEYREDMIN, TVP3026_XCOLKEYREDMAX, 256 TVP3026_XCOLKEYGREENMIN, TVP3026_XCOLKEYGREENMAX, TVP3026_XCOLKEYBLUEMIN, TVP3026_XCOLKEYBLUEMAX, 257 TVP3026_XCOLKEYCTRL, 258 TVP3026_XMEMPLLCTRL, TVP3026_XSENSETEST, TVP3026_XCURCTRL }; 259 260#define POS3026_XLATCHCTRL 0 261#define POS3026_XTRUECOLORCTRL 1 262#define POS3026_XMUXCTRL 2 263#define POS3026_XCLKCTRL 3 264#define POS3026_XGENCTRL 5 265#define POS3026_XMISCCTRL 6 266#define POS3026_XMEMPLLCTRL 18 267#define POS3026_XCURCTRL 20 268 269static const unsigned char MGADACbpp32[] = 270{ TVP3026_XLATCHCTRL_2_1, TVP3026_XTRUECOLORCTRL_DIRECTCOLOR | TVP3026_XTRUECOLORCTRL_ORGB_8888, 271 0x00, TVP3026_XCLKCTRL_DIV1 | TVP3026_XCLKCTRL_SRC_PLL, 272 0x00, 273 TVP3026_XGENCTRL_HSYNC_POS | TVP3026_XGENCTRL_VSYNC_POS | TVP3026_XGENCTRL_LITTLE_ENDIAN | TVP3026_XGENCTRL_BLACK_0IRE | TVP3026_XGENCTRL_NO_SYNC_ON_GREEN | TVP3026_XGENCTRL_OVERSCAN_DIS, 274 TVP3026_XMISCCTRL_DAC_PUP | TVP3026_XMISCCTRL_DAC_8BIT | TVP3026_XMISCCTRL_PSEL_DIS | TVP3026_XMISCCTRL_PSEL_HIGH, 275 0x00, 276 0x1E, 277 0xFF, 0xFF, 0xFF, 0xFF, 278 0xFF, 0xFF, 0xFF, 0xFF, 279 TVP3026_XCOLKEYCTRL_ZOOM1, 280 0x00, 0x00, TVP3026_XCURCTRL_DIS }; 281 282static int Ti3026_calcclock(const struct matrox_fb_info *minfo, 283 unsigned int freq, unsigned int fmax, int *in, 284 int *feed, int *post) 285{ 286 unsigned int fvco; 287 unsigned int lin, lfeed, lpost; 288 289 DBG(__func__) 290 291 fvco = PLL_calcclock(minfo, freq, fmax, &lin, &lfeed, &lpost); 292 fvco >>= (*post = lpost); 293 *in = 64 - lin; 294 *feed = 64 - lfeed; 295 return fvco; 296} 297 298static int Ti3026_setpclk(struct matrox_fb_info *minfo, int clk) 299{ 300 unsigned int f_pll; 301 unsigned int pixfeed, pixin, pixpost; 302 struct matrox_hw_state *hw = &minfo->hw; 303 304 DBG(__func__) 305 306 f_pll = Ti3026_calcclock(minfo, clk, minfo->max_pixel_clock, &pixin, &pixfeed, &pixpost); 307 308 hw->DACclk[0] = pixin | 0xC0; 309 hw->DACclk[1] = pixfeed; 310 hw->DACclk[2] = pixpost | 0xB0; 311 312 { 313 unsigned int loopfeed, loopin, looppost, loopdiv, z; 314 unsigned int Bpp; 315 316 Bpp = minfo->curr.final_bppShift; 317 318 if (minfo->fbcon.var.bits_per_pixel == 24) { 319 loopfeed = 3; /* set lm to any possible value */ 320 loopin = 3 * 32 / Bpp; 321 } else { 322 loopfeed = 4; 323 loopin = 4 * 32 / Bpp; 324 } 325 z = (110000 * loopin) / (f_pll * loopfeed); 326 loopdiv = 0; /* div 2 */ 327 if (z < 2) 328 looppost = 0; 329 else if (z < 4) 330 looppost = 1; 331 else if (z < 8) 332 looppost = 2; 333 else { 334 looppost = 3; 335 loopdiv = z/16; 336 } 337 if (minfo->fbcon.var.bits_per_pixel == 24) { 338 hw->DACclk[3] = ((65 - loopin) & 0x3F) | 0xC0; 339 hw->DACclk[4] = (65 - loopfeed) | 0x80; 340 if (minfo->accel.ramdac_rev > 0x20) { 341 if (isInterleave(minfo)) 342 hw->DACreg[POS3026_XLATCHCTRL] = TVP3026B_XLATCHCTRL_8_3; 343 else { 344 hw->DACclk[4] &= ~0xC0; 345 hw->DACreg[POS3026_XLATCHCTRL] = TVP3026B_XLATCHCTRL_4_3; 346 } 347 } else { 348 if (isInterleave(minfo)) 349 ; /* default... */ 350 else { 351 hw->DACclk[4] ^= 0xC0; /* change from 0x80 to 0x40 */ 352 hw->DACreg[POS3026_XLATCHCTRL] = TVP3026A_XLATCHCTRL_4_3; 353 } 354 } 355 hw->DACclk[5] = looppost | 0xF8; 356 if (minfo->devflags.mga_24bpp_fix) 357 hw->DACclk[5] ^= 0x40; 358 } else { 359 hw->DACclk[3] = ((65 - loopin) & 0x3F) | 0xC0; 360 hw->DACclk[4] = 65 - loopfeed; 361 hw->DACclk[5] = looppost | 0xF0; 362 } 363 hw->DACreg[POS3026_XMEMPLLCTRL] = loopdiv | TVP3026_XMEMPLLCTRL_MCLK_MCLKPLL | TVP3026_XMEMPLLCTRL_RCLK_LOOPPLL; 364 } 365 return 0; 366} 367 368static int Ti3026_init(struct matrox_fb_info *minfo, struct my_timming *m) 369{ 370 u_int8_t muxctrl = isInterleave(minfo) ? TVP3026_XMUXCTRL_MEMORY_64BIT : TVP3026_XMUXCTRL_MEMORY_32BIT; 371 struct matrox_hw_state *hw = &minfo->hw; 372 373 DBG(__func__) 374 375 memcpy(hw->DACreg, MGADACbpp32, sizeof(hw->DACreg)); 376 switch (minfo->fbcon.var.bits_per_pixel) { 377 case 4: hw->DACreg[POS3026_XLATCHCTRL] = TVP3026_XLATCHCTRL_16_1; /* or _8_1, they are same */ 378 hw->DACreg[POS3026_XTRUECOLORCTRL] = TVP3026_XTRUECOLORCTRL_PSEUDOCOLOR; 379 hw->DACreg[POS3026_XMUXCTRL] = muxctrl | TVP3026_XMUXCTRL_PIXEL_4BIT; 380 hw->DACreg[POS3026_XCLKCTRL] = TVP3026_XCLKCTRL_SRC_PLL | TVP3026_XCLKCTRL_DIV8; 381 hw->DACreg[POS3026_XMISCCTRL] = TVP3026_XMISCCTRL_DAC_PUP | TVP3026_XMISCCTRL_DAC_8BIT | TVP3026_XMISCCTRL_PSEL_DIS | TVP3026_XMISCCTRL_PSEL_LOW; 382 break; 383 case 8: hw->DACreg[POS3026_XLATCHCTRL] = TVP3026_XLATCHCTRL_8_1; /* or _4_1, they are same */ 384 hw->DACreg[POS3026_XTRUECOLORCTRL] = TVP3026_XTRUECOLORCTRL_PSEUDOCOLOR; 385 hw->DACreg[POS3026_XMUXCTRL] = muxctrl | TVP3026_XMUXCTRL_PIXEL_8BIT; 386 hw->DACreg[POS3026_XCLKCTRL] = TVP3026_XCLKCTRL_SRC_PLL | TVP3026_XCLKCTRL_DIV4; 387 hw->DACreg[POS3026_XMISCCTRL] = TVP3026_XMISCCTRL_DAC_PUP | TVP3026_XMISCCTRL_DAC_8BIT | TVP3026_XMISCCTRL_PSEL_DIS | TVP3026_XMISCCTRL_PSEL_LOW; 388 break; 389 case 16: 390 /* XLATCHCTRL should be _4_1 / _2_1... Why is not? (_2_1 is used every time) */ 391 hw->DACreg[POS3026_XTRUECOLORCTRL] = (minfo->fbcon.var.green.length == 5) ? (TVP3026_XTRUECOLORCTRL_DIRECTCOLOR | TVP3026_XTRUECOLORCTRL_ORGB_1555) : (TVP3026_XTRUECOLORCTRL_DIRECTCOLOR | TVP3026_XTRUECOLORCTRL_RGB_565); 392 hw->DACreg[POS3026_XMUXCTRL] = muxctrl | TVP3026_XMUXCTRL_PIXEL_16BIT; 393 hw->DACreg[POS3026_XCLKCTRL] = TVP3026_XCLKCTRL_SRC_PLL | TVP3026_XCLKCTRL_DIV2; 394 break; 395 case 24: 396 /* XLATCHCTRL is: for (A) use _4_3 (?_8_3 is same? TBD), for (B) it is set in setpclk */ 397 hw->DACreg[POS3026_XTRUECOLORCTRL] = TVP3026_XTRUECOLORCTRL_DIRECTCOLOR | TVP3026_XTRUECOLORCTRL_RGB_888; 398 hw->DACreg[POS3026_XMUXCTRL] = muxctrl | TVP3026_XMUXCTRL_PIXEL_32BIT; 399 hw->DACreg[POS3026_XCLKCTRL] = TVP3026_XCLKCTRL_SRC_PLL | TVP3026_XCLKCTRL_DIV4; 400 break; 401 case 32: 402 /* XLATCHCTRL should be _2_1 / _1_1... Why is not? (_2_1 is used every time) */ 403 hw->DACreg[POS3026_XMUXCTRL] = muxctrl | TVP3026_XMUXCTRL_PIXEL_32BIT; 404 break; 405 default: 406 return 1; /* TODO: failed */ 407 } 408 if (matroxfb_vgaHWinit(minfo, m)) return 1; 409 410 /* set SYNC */ 411 hw->MiscOutReg = 0xCB; 412 if (m->sync & FB_SYNC_HOR_HIGH_ACT) 413 hw->DACreg[POS3026_XGENCTRL] |= TVP3026_XGENCTRL_HSYNC_NEG; 414 if (m->sync & FB_SYNC_VERT_HIGH_ACT) 415 hw->DACreg[POS3026_XGENCTRL] |= TVP3026_XGENCTRL_VSYNC_NEG; 416 if (m->sync & FB_SYNC_ON_GREEN) 417 hw->DACreg[POS3026_XGENCTRL] |= TVP3026_XGENCTRL_SYNC_ON_GREEN; 418 419 /* set DELAY */ 420 if (minfo->video.len < 0x400000) 421 hw->CRTCEXT[3] |= 0x08; 422 else if (minfo->video.len > 0x400000) 423 hw->CRTCEXT[3] |= 0x10; 424 425 /* set HWCURSOR */ 426 if (m->interlaced) { 427 hw->DACreg[POS3026_XCURCTRL] |= TVP3026_XCURCTRL_INTERLACED; 428 } 429 if (m->HTotal >= 1536) 430 hw->DACreg[POS3026_XCURCTRL] |= TVP3026_XCURCTRL_BLANK4096; 431 432 /* set interleaving */ 433 hw->MXoptionReg &= ~0x00001000; 434 if (isInterleave(minfo)) hw->MXoptionReg |= 0x00001000; 435 436 /* set DAC */ 437 Ti3026_setpclk(minfo, m->pixclock); 438 return 0; 439} 440 441static void ti3026_setMCLK(struct matrox_fb_info *minfo, int fout) 442{ 443 unsigned int f_pll; 444 unsigned int pclk_m, pclk_n, pclk_p; 445 unsigned int mclk_m, mclk_n, mclk_p; 446 unsigned int rfhcnt, mclk_ctl; 447 int tmout; 448 449 DBG(__func__) 450 451 f_pll = Ti3026_calcclock(minfo, fout, minfo->max_pixel_clock, &mclk_n, &mclk_m, &mclk_p); 452 453 /* save pclk */ 454 outTi3026(minfo, TVP3026_XPLLADDR, 0xFC); 455 pclk_n = inTi3026(minfo, TVP3026_XPIXPLLDATA); 456 outTi3026(minfo, TVP3026_XPLLADDR, 0xFD); 457 pclk_m = inTi3026(minfo, TVP3026_XPIXPLLDATA); 458 outTi3026(minfo, TVP3026_XPLLADDR, 0xFE); 459 pclk_p = inTi3026(minfo, TVP3026_XPIXPLLDATA); 460 461 /* stop pclk */ 462 outTi3026(minfo, TVP3026_XPLLADDR, 0xFE); 463 outTi3026(minfo, TVP3026_XPIXPLLDATA, 0x00); 464 465 /* set pclk to new mclk */ 466 outTi3026(minfo, TVP3026_XPLLADDR, 0xFC); 467 outTi3026(minfo, TVP3026_XPIXPLLDATA, mclk_n | 0xC0); 468 outTi3026(minfo, TVP3026_XPIXPLLDATA, mclk_m); 469 outTi3026(minfo, TVP3026_XPIXPLLDATA, mclk_p | 0xB0); 470 471 /* wait for PLL to lock */ 472 for (tmout = 500000; tmout; tmout--) { 473 if (inTi3026(minfo, TVP3026_XPIXPLLDATA) & 0x40) 474 break; 475 udelay(10); 476 } 477 if (!tmout) 478 printk(KERN_ERR "matroxfb: Temporary pixel PLL not locked after 5 secs\n"); 479 480 /* output pclk on mclk pin */ 481 mclk_ctl = inTi3026(minfo, TVP3026_XMEMPLLCTRL); 482 outTi3026(minfo, TVP3026_XMEMPLLCTRL, mclk_ctl & 0xE7); 483 outTi3026(minfo, TVP3026_XMEMPLLCTRL, (mclk_ctl & 0xE7) | TVP3026_XMEMPLLCTRL_STROBEMKC4); 484 485 /* stop MCLK */ 486 outTi3026(minfo, TVP3026_XPLLADDR, 0xFB); 487 outTi3026(minfo, TVP3026_XMEMPLLDATA, 0x00); 488 489 /* set mclk to new freq */ 490 outTi3026(minfo, TVP3026_XPLLADDR, 0xF3); 491 outTi3026(minfo, TVP3026_XMEMPLLDATA, mclk_n | 0xC0); 492 outTi3026(minfo, TVP3026_XMEMPLLDATA, mclk_m); 493 outTi3026(minfo, TVP3026_XMEMPLLDATA, mclk_p | 0xB0); 494 495 /* wait for PLL to lock */ 496 for (tmout = 500000; tmout; tmout--) { 497 if (inTi3026(minfo, TVP3026_XMEMPLLDATA) & 0x40) 498 break; 499 udelay(10); 500 } 501 if (!tmout) 502 printk(KERN_ERR "matroxfb: Memory PLL not locked after 5 secs\n"); 503 504 f_pll = f_pll * 333 / (10000 << mclk_p); 505 if (isMilleniumII(minfo)) { 506 rfhcnt = (f_pll - 128) / 256; 507 if (rfhcnt > 15) 508 rfhcnt = 15; 509 } else { 510 rfhcnt = (f_pll - 64) / 128; 511 if (rfhcnt > 15) 512 rfhcnt = 0; 513 } 514 minfo->hw.MXoptionReg = (minfo->hw.MXoptionReg & ~0x000F0000) | (rfhcnt << 16); 515 pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, minfo->hw.MXoptionReg); 516 517 /* output MCLK to MCLK pin */ 518 outTi3026(minfo, TVP3026_XMEMPLLCTRL, (mclk_ctl & 0xE7) | TVP3026_XMEMPLLCTRL_MCLK_MCLKPLL); 519 outTi3026(minfo, TVP3026_XMEMPLLCTRL, (mclk_ctl ) | TVP3026_XMEMPLLCTRL_MCLK_MCLKPLL | TVP3026_XMEMPLLCTRL_STROBEMKC4); 520 521 /* stop PCLK */ 522 outTi3026(minfo, TVP3026_XPLLADDR, 0xFE); 523 outTi3026(minfo, TVP3026_XPIXPLLDATA, 0x00); 524 525 /* restore pclk */ 526 outTi3026(minfo, TVP3026_XPLLADDR, 0xFC); 527 outTi3026(minfo, TVP3026_XPIXPLLDATA, pclk_n); 528 outTi3026(minfo, TVP3026_XPIXPLLDATA, pclk_m); 529 outTi3026(minfo, TVP3026_XPIXPLLDATA, pclk_p); 530 531 /* wait for PLL to lock */ 532 for (tmout = 500000; tmout; tmout--) { 533 if (inTi3026(minfo, TVP3026_XPIXPLLDATA) & 0x40) 534 break; 535 udelay(10); 536 } 537 if (!tmout) 538 printk(KERN_ERR "matroxfb: Pixel PLL not locked after 5 secs\n"); 539} 540 541static void ti3026_ramdac_init(struct matrox_fb_info *minfo) 542{ 543 DBG(__func__) 544 545 minfo->features.pll.vco_freq_min = 110000; 546 minfo->features.pll.ref_freq = 114545; 547 minfo->features.pll.feed_div_min = 2; 548 minfo->features.pll.feed_div_max = 24; 549 minfo->features.pll.in_div_min = 2; 550 minfo->features.pll.in_div_max = 63; 551 minfo->features.pll.post_shift_max = 3; 552 if (minfo->devflags.noinit) 553 return; 554 ti3026_setMCLK(minfo, 60000); 555} 556 557static void Ti3026_restore(struct matrox_fb_info *minfo) 558{ 559 int i; 560 unsigned char progdac[6]; 561 struct matrox_hw_state *hw = &minfo->hw; 562 CRITFLAGS 563 564 DBG(__func__) 565 566#ifdef DEBUG 567 dprintk(KERN_INFO "EXTVGA regs: "); 568 for (i = 0; i < 6; i++) 569 dprintk("%02X:", hw->CRTCEXT[i]); 570 dprintk("\n"); 571#endif 572 573 CRITBEGIN 574 575 pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, hw->MXoptionReg); 576 577 CRITEND 578 579 matroxfb_vgaHWrestore(minfo); 580 581 CRITBEGIN 582 583 minfo->crtc1.panpos = -1; 584 for (i = 0; i < 6; i++) 585 mga_setr(M_EXTVGA_INDEX, i, hw->CRTCEXT[i]); 586 587 for (i = 0; i < 21; i++) { 588 outTi3026(minfo, DACseq[i], hw->DACreg[i]); 589 } 590 591 outTi3026(minfo, TVP3026_XPLLADDR, 0x00); 592 progdac[0] = inTi3026(minfo, TVP3026_XPIXPLLDATA); 593 progdac[3] = inTi3026(minfo, TVP3026_XLOOPPLLDATA); 594 outTi3026(minfo, TVP3026_XPLLADDR, 0x15); 595 progdac[1] = inTi3026(minfo, TVP3026_XPIXPLLDATA); 596 progdac[4] = inTi3026(minfo, TVP3026_XLOOPPLLDATA); 597 outTi3026(minfo, TVP3026_XPLLADDR, 0x2A); 598 progdac[2] = inTi3026(minfo, TVP3026_XPIXPLLDATA); 599 progdac[5] = inTi3026(minfo, TVP3026_XLOOPPLLDATA); 600 601 CRITEND 602 if (memcmp(hw->DACclk, progdac, 6)) { 603 /* agrhh... setting up PLL is very slow on Millennium... */ 604 /* Mystique PLL is locked in few ms, but Millennium PLL lock takes about 0.15 s... */ 605 /* Maybe even we should call schedule() ? */ 606 607 CRITBEGIN 608 outTi3026(minfo, TVP3026_XCLKCTRL, hw->DACreg[POS3026_XCLKCTRL]); 609 outTi3026(minfo, TVP3026_XPLLADDR, 0x2A); 610 outTi3026(minfo, TVP3026_XLOOPPLLDATA, 0); 611 outTi3026(minfo, TVP3026_XPIXPLLDATA, 0); 612 613 outTi3026(minfo, TVP3026_XPLLADDR, 0x00); 614 for (i = 0; i < 3; i++) 615 outTi3026(minfo, TVP3026_XPIXPLLDATA, hw->DACclk[i]); 616 /* wait for PLL only if PLL clock requested (always for PowerMode, never for VGA) */ 617 if (hw->MiscOutReg & 0x08) { 618 int tmout; 619 outTi3026(minfo, TVP3026_XPLLADDR, 0x3F); 620 for (tmout = 500000; tmout; --tmout) { 621 if (inTi3026(minfo, TVP3026_XPIXPLLDATA) & 0x40) 622 break; 623 udelay(10); 624 } 625 626 CRITEND 627 628 if (!tmout) 629 printk(KERN_ERR "matroxfb: Pixel PLL not locked after 5 secs\n"); 630 else 631 dprintk(KERN_INFO "PixelPLL: %d\n", 500000-tmout); 632 CRITBEGIN 633 } 634 outTi3026(minfo, TVP3026_XMEMPLLCTRL, hw->DACreg[POS3026_XMEMPLLCTRL]); 635 outTi3026(minfo, TVP3026_XPLLADDR, 0x00); 636 for (i = 3; i < 6; i++) 637 outTi3026(minfo, TVP3026_XLOOPPLLDATA, hw->DACclk[i]); 638 CRITEND 639 if ((hw->MiscOutReg & 0x08) && ((hw->DACclk[5] & 0x80) == 0x80)) { 640 int tmout; 641 642 CRITBEGIN 643 outTi3026(minfo, TVP3026_XPLLADDR, 0x3F); 644 for (tmout = 500000; tmout; --tmout) { 645 if (inTi3026(minfo, TVP3026_XLOOPPLLDATA) & 0x40) 646 break; 647 udelay(10); 648 } 649 CRITEND 650 if (!tmout) 651 printk(KERN_ERR "matroxfb: Loop PLL not locked after 5 secs\n"); 652 else 653 dprintk(KERN_INFO "LoopPLL: %d\n", 500000-tmout); 654 } 655 } 656 657#ifdef DEBUG 658 dprintk(KERN_DEBUG "3026DACregs "); 659 for (i = 0; i < 21; i++) { 660 dprintk("R%02X=%02X ", DACseq[i], hw->DACreg[i]); 661 if ((i & 0x7) == 0x7) dprintk(KERN_DEBUG "continuing... "); 662 } 663 dprintk(KERN_DEBUG "DACclk "); 664 for (i = 0; i < 6; i++) 665 dprintk("C%02X=%02X ", i, hw->DACclk[i]); 666 dprintk("\n"); 667#endif 668} 669 670static void Ti3026_reset(struct matrox_fb_info *minfo) 671{ 672 DBG(__func__) 673 674 ti3026_ramdac_init(minfo); 675} 676 677static struct matrox_altout ti3026_output = { 678 .name = "Primary output", 679}; 680 681static int Ti3026_preinit(struct matrox_fb_info *minfo) 682{ 683 static const int vxres_mill2[] = { 512, 640, 768, 800, 832, 960, 684 1024, 1152, 1280, 1600, 1664, 1920, 685 2048, 0}; 686 static const int vxres_mill1[] = { 640, 768, 800, 960, 687 1024, 1152, 1280, 1600, 1920, 688 2048, 0}; 689 struct matrox_hw_state *hw = &minfo->hw; 690 691 DBG(__func__) 692 693 minfo->millenium = 1; 694 minfo->milleniumII = (minfo->pcidev->device != PCI_DEVICE_ID_MATROX_MIL); 695 minfo->capable.cfb4 = 1; 696 minfo->capable.text = 1; /* isMilleniumII(minfo); */ 697 minfo->capable.vxres = isMilleniumII(minfo) ? vxres_mill2 : vxres_mill1; 698 699 minfo->outputs[0].data = minfo; 700 minfo->outputs[0].output = &ti3026_output; 701 minfo->outputs[0].src = minfo->outputs[0].default_src; 702 minfo->outputs[0].mode = MATROXFB_OUTPUT_MODE_MONITOR; 703 704 if (minfo->devflags.noinit) 705 return 0; 706 /* preserve VGA I/O, BIOS and PPC */ 707 hw->MXoptionReg &= 0xC0000100; 708 hw->MXoptionReg |= 0x002C0000; 709 if (minfo->devflags.novga) 710 hw->MXoptionReg &= ~0x00000100; 711 if (minfo->devflags.nobios) 712 hw->MXoptionReg &= ~0x40000000; 713 if (minfo->devflags.nopciretry) 714 hw->MXoptionReg |= 0x20000000; 715 pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, hw->MXoptionReg); 716 717 minfo->accel.ramdac_rev = inTi3026(minfo, TVP3026_XSILICONREV); 718 719 outTi3026(minfo, TVP3026_XCLKCTRL, TVP3026_XCLKCTRL_SRC_CLK0VGA | TVP3026_XCLKCTRL_CLKSTOPPED); 720 outTi3026(minfo, TVP3026_XTRUECOLORCTRL, TVP3026_XTRUECOLORCTRL_PSEUDOCOLOR); 721 outTi3026(minfo, TVP3026_XMUXCTRL, TVP3026_XMUXCTRL_VGA); 722 723 outTi3026(minfo, TVP3026_XPLLADDR, 0x2A); 724 outTi3026(minfo, TVP3026_XLOOPPLLDATA, 0x00); 725 outTi3026(minfo, TVP3026_XPIXPLLDATA, 0x00); 726 727 mga_outb(M_MISC_REG, 0x67); 728 729 outTi3026(minfo, TVP3026_XMEMPLLCTRL, TVP3026_XMEMPLLCTRL_STROBEMKC4 | TVP3026_XMEMPLLCTRL_MCLK_MCLKPLL); 730 731 mga_outl(M_RESET, 1); 732 udelay(250); 733 mga_outl(M_RESET, 0); 734 udelay(250); 735 mga_outl(M_MACCESS, 0x00008000); 736 udelay(10); 737 return 0; 738} 739 740struct matrox_switch matrox_millennium = { 741 Ti3026_preinit, Ti3026_reset, Ti3026_init, Ti3026_restore 742}; 743EXPORT_SYMBOL(matrox_millennium); 744#endif 745MODULE_LICENSE("GPL"); 746