3 * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400
5 * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>
7 * Portions Copyright (c) 2001 Matrox Graphics Inc.
9 * Version: 1.65 2002/08/14
11 * MTRR stuff: 1998 Tom Rini <trini@kernel.crashing.org>
13 * Contributors: "menion?" <menion@mindless.com>
14 * Betatesting, fixes, ideas
16 * "Kurt Garloff" <garloff@suse.de>
17 * Betatesting, fixes, ideas, videomodes, videomodes timmings
19 * "Tom Rini" <trini@kernel.crashing.org>
20 * MTRR stuff, PPC cleanups, betatesting, fixes, ideas
22 * "Bibek Sahu" <scorpio@dodds.net>
23 * Access device through readb|w|l and write b|w|l
24 * Extensive debugging stuff
26 * "Daniel Haun" <haund@usa.net>
27 * Testing, hardware cursor fixes
29 * "Scott Wood" <sawst46+@pitt.edu>
32 * "Gerd Knorr" <kraxel@goldbach.isdn.cs.tu-berlin.de>
35 * "Kelly French" <targon@hazmat.com>
36 * "Fernando Herrera" <fherrera@eurielec.etsit.upm.es>
37 * Betatesting, bug reporting
39 * "Pablo Bianucci" <pbian@pccp.com.ar>
40 * Fixes, ideas, betatesting
42 * "Inaky Perez Gonzalez" <inaky@peloncho.fis.ucm.es>
43 * Fixes, enhandcements, ideas, betatesting
45 * "Ryuichi Oikawa" <roikawa@rr.iiij4u.or.jp>
46 * PPC betatesting, PPC support, backward compatibility
48 * "Paul Womar" <Paul@pwomar.demon.co.uk>
49 * "Owen Waller" <O.Waller@ee.qub.ac.uk>
52 * "Thomas Pornin" <pornin@bolet.ens.fr>
55 * "Pieter van Leuven" <pvl@iae.nl>
56 * "Ulf Jaenicke-Roessler" <ujr@physik.phy.tu-dresden.de>
59 * "H. Peter Arvin" <hpa@transmeta.com>
62 * "Cort Dougan" <cort@cs.nmt.edu>
63 * CHRP fixes and PReP cleanup
65 * "Mark Vojkovich" <mvojkovi@ucsd.edu>
68 * "David C. Hansen" <haveblue@us.ibm.com>
71 * "Ian Romanick" <idr@us.ibm.com>
72 * Find PInS data in BIOS on PowerPC systems.
74 * (following author is not in any relation with this code, but his code
75 * is included in this driver)
77 * Based on framebuffer driver for VBE 2.0 compliant graphic boards
78 * (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de>
80 * (following author is not in any relation with this code, but his ideas
81 * were used when writting this driver)
83 * FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk>
87 #include <linux/config.h>
89 #include "matroxfb_misc.h"
90 #include <linux/interrupt.h>
91 #include <linux/matroxfb.h>
93 void matroxfb_DAC_out(CPMINFO int reg, int val) {
95 mga_outb(M_RAMDAC_BASE+M_X_INDEX, reg);
96 mga_outb(M_RAMDAC_BASE+M_X_DATAREG, val);
99 int matroxfb_DAC_in(CPMINFO int reg) {
100 DBG_REG(__FUNCTION__)
101 mga_outb(M_RAMDAC_BASE+M_X_INDEX, reg);
102 return mga_inb(M_RAMDAC_BASE+M_X_DATAREG);
105 void matroxfb_var2my(struct fb_var_screeninfo* var, struct my_timming* mt) {
106 unsigned int pixclock = var->pixclock;
110 if (!pixclock) pixclock = 10000; /* 10ns = 100MHz */
111 mt->pixclock = 1000000000 / pixclock;
112 if (mt->pixclock < 1) mt->pixclock = 1;
114 mt->dblscan = var->vmode & FB_VMODE_DOUBLE;
115 mt->interlaced = var->vmode & FB_VMODE_INTERLACED;
116 mt->HDisplay = var->xres;
117 mt->HSyncStart = mt->HDisplay + var->right_margin;
118 mt->HSyncEnd = mt->HSyncStart + var->hsync_len;
119 mt->HTotal = mt->HSyncEnd + var->left_margin;
120 mt->VDisplay = var->yres;
121 mt->VSyncStart = mt->VDisplay + var->lower_margin;
122 mt->VSyncEnd = mt->VSyncStart + var->vsync_len;
123 mt->VTotal = mt->VSyncEnd + var->upper_margin;
124 mt->sync = var->sync;
127 int matroxfb_PLL_calcclock(const struct matrox_pll_features* pll, unsigned int freq, unsigned int fmax,
128 unsigned int* in, unsigned int* feed, unsigned int* post) {
129 unsigned int bestdiff = ~0;
130 unsigned int bestvco = 0;
131 unsigned int fxtal = pll->ref_freq;
140 printk(KERN_ERR "post_shift_max: %d\n", pll->post_shift_max);
141 printk(KERN_ERR "ref_freq: %d\n", pll->ref_freq);
142 printk(KERN_ERR "freq: %d\n", freq);
143 printk(KERN_ERR "vco_freq_min: %d\n", pll->vco_freq_min);
144 printk(KERN_ERR "in_div_min: %d\n", pll->in_div_min);
145 printk(KERN_ERR "in_div_max: %d\n", pll->in_div_max);
146 printk(KERN_ERR "feed_div_min: %d\n", pll->feed_div_min);
147 printk(KERN_ERR "feed_div_max: %d\n", pll->feed_div_max);
148 printk(KERN_ERR "fmax: %d\n", fmax);
150 for (p = 1; p <= pll->post_shift_max; p++) {
151 if (fwant * 2 > fmax)
155 if (fwant < pll->vco_freq_min) fwant = pll->vco_freq_min;
156 if (fwant > fmax) fwant = fmax;
157 for (; p-- > 0; fwant >>= 1, bestdiff >>= 1) {
160 if (fwant < pll->vco_freq_min) break;
161 for (m = pll->in_div_min; m <= pll->in_div_max; m++) {
162 unsigned int diff, fvco;
165 n = (fwant * (m + 1) + (fxtal >> 1)) / fxtal - 1;
166 if (n > pll->feed_div_max)
168 if (n < pll->feed_div_min)
169 n = pll->feed_div_min;
170 fvco = (fxtal * (n + 1)) / (m + 1);
175 if (diff < bestdiff) {
184 dprintk(KERN_ERR "clk: %02X %02X %02X %d %d %d\n", *in, *feed, *post, fxtal, bestvco, fwant);
188 int matroxfb_vgaHWinit(WPMINFO struct my_timming* m) {
189 unsigned int hd, hs, he, hbe, ht;
190 unsigned int vd, vs, ve, vt, lc;
192 unsigned int divider;
194 struct matrox_hw_state * const hw = &ACCESS_FBINFO(hw);
199 hw->SEQ[1] = 0x01; /* or 0x09 */
200 hw->SEQ[2] = 0x0F; /* bitplanes */
203 /* CRTC 0..7, 9, 16..19, 21, 22 are reprogrammed by Matrox Millennium code... Hope that by MGA1064 too */
217 /* GCTL is ignored when not using 0xA0000 aperture */
228 /* Whole ATTR is ignored in PowerGraphics mode */
229 for (i = 0; i < 16; i++)
237 hd = m->HDisplay >> 3;
238 hs = m->HSyncStart >> 3;
239 he = m->HSyncEnd >> 3;
241 /* standard timmings are in 8pixels, but for interleaved we cannot */
242 /* do it for 4bpp (because of (4bpp >> 1(interleaved))/4 == 0) */
243 /* using 16 or more pixels per unit can save us */
244 divider = ACCESS_FBINFO(curr.final_bppShift);
245 while (divider & 3) {
252 divider = divider / 4;
253 /* divider can be from 1 to 8 */
254 while (divider > 8) {
265 vd = m->VDisplay - 1;
266 vs = m->VSyncStart - 1;
267 ve = m->VSyncEnd - 1;
270 /* G200 cannot work with (ht & 7) == 6 */
271 if (((ht & 0x07) == 0x06) || ((ht & 0x0F) == 0x04))
274 wd = ACCESS_FBINFO(fbcon).var.xres_virtual * ACCESS_FBINFO(curr.final_bppShift) / 64;
279 hw->CRTCEXT[0] = 0x80;
280 hw->CRTCEXT[5] = (hs + he - ht) >> 1;
285 hw->CRTCEXT[0] |= (wd & 0x300) >> 4;
286 hw->CRTCEXT[1] = (((ht - 4) & 0x100) >> 8) |
287 ((hd & 0x100) >> 7) | /* blanking */
288 ((hs & 0x100) >> 6) | /* sync start */
289 (hbe & 0x040); /* end hor. blanking */
290 /* FIXME: Enable vidrst only on G400, and only if TV-out is used */
291 if (ACCESS_FBINFO(outputs[1]).src == MATROXFB_SRC_CRTC1)
292 hw->CRTCEXT[1] |= 0x88; /* enable horizontal and vertical vidrst */
293 hw->CRTCEXT[2] = ((vt & 0xC00) >> 10) |
294 ((vd & 0x400) >> 8) | /* disp end */
295 ((vd & 0xC00) >> 7) | /* vblanking start */
296 ((vs & 0xC00) >> 5) |
298 hw->CRTCEXT[3] = (divider - 1) | 0x80;
304 hw->CRTC[3] = (hbe & 0x1F) | 0x80;
306 hw->CRTC[5] = ((hbe & 0x20) << 2) | (he & 0x1F);
307 hw->CRTC[6] = vt & 0xFF;
308 hw->CRTC[7] = ((vt & 0x100) >> 8) |
309 ((vd & 0x100) >> 7) |
310 ((vs & 0x100) >> 6) |
311 ((vd & 0x100) >> 5) |
312 ((lc & 0x100) >> 4) |
313 ((vt & 0x200) >> 4) |
314 ((vd & 0x200) >> 3) |
317 hw->CRTC[9] = ((vd & 0x200) >> 4) |
319 if (m->dblscan && !m->interlaced)
321 for (i = 10; i < 16; i++)
323 hw->CRTC[16] = vs /* & 0xFF */;
324 hw->CRTC[17] = (ve & 0x0F) | 0x20;
325 hw->CRTC[18] = vd /* & 0xFF */;
326 hw->CRTC[19] = wd /* & 0xFF */;
328 hw->CRTC[21] = vd /* & 0xFF */;
329 hw->CRTC[22] = (vt + 1) /* & 0xFF */;
335 void matroxfb_vgaHWrestore(WPMINFO2) {
337 struct matrox_hw_state * const hw = &ACCESS_FBINFO(hw);
342 dprintk(KERN_INFO "MiscOutReg: %02X\n", hw->MiscOutReg);
343 dprintk(KERN_INFO "SEQ regs: ");
344 for (i = 0; i < 5; i++)
345 dprintk("%02X:", hw->SEQ[i]);
347 dprintk(KERN_INFO "GDC regs: ");
348 for (i = 0; i < 9; i++)
349 dprintk("%02X:", hw->GCTL[i]);
351 dprintk(KERN_INFO "CRTC regs: ");
352 for (i = 0; i < 25; i++)
353 dprintk("%02X:", hw->CRTC[i]);
355 dprintk(KERN_INFO "ATTR regs: ");
356 for (i = 0; i < 21; i++)
357 dprintk("%02X:", hw->ATTR[i]);
362 mga_inb(M_ATTR_RESET);
363 mga_outb(M_ATTR_INDEX, 0);
364 mga_outb(M_MISC_REG, hw->MiscOutReg);
365 for (i = 1; i < 5; i++)
366 mga_setr(M_SEQ_INDEX, i, hw->SEQ[i]);
367 mga_setr(M_CRTC_INDEX, 17, hw->CRTC[17] & 0x7F);
368 for (i = 0; i < 25; i++)
369 mga_setr(M_CRTC_INDEX, i, hw->CRTC[i]);
370 for (i = 0; i < 9; i++)
371 mga_setr(M_GRAPHICS_INDEX, i, hw->GCTL[i]);
372 for (i = 0; i < 21; i++) {
373 mga_inb(M_ATTR_RESET);
374 mga_outb(M_ATTR_INDEX, i);
375 mga_outb(M_ATTR_INDEX, hw->ATTR[i]);
377 mga_outb(M_PALETTE_MASK, 0xFF);
378 mga_outb(M_DAC_REG, 0x00);
379 for (i = 0; i < 768; i++)
380 mga_outb(M_DAC_VAL, hw->DACpal[i]);
381 mga_inb(M_ATTR_RESET);
382 mga_outb(M_ATTR_INDEX, 0x20);
387 static void get_pins(unsigned char __iomem* pins, struct matrox_bios* bd) {
388 unsigned int b0 = readb(pins);
390 if (b0 == 0x2E && readb(pins+1) == 0x41) {
391 unsigned int pins_len = readb(pins+2);
394 unsigned char* dst = bd->pins;
396 if (pins_len < 3 || pins_len > 128) {
402 cksum = 0x2E + 0x41 + pins_len;
403 for (i = 3; i < pins_len; i++) {
404 cksum += *dst++ = readb(pins+i);
409 bd->pins_len = pins_len;
410 } else if (b0 == 0x40 && readb(pins+1) == 0x00) {
412 unsigned char* dst = bd->pins;
416 for (i = 2; i < 0x40; i++) {
417 *dst++ = readb(pins+i);
423 static void get_bios_version(unsigned char __iomem * vbios, struct matrox_bios* bd) {
424 unsigned int pcir_offset;
426 pcir_offset = readb(vbios + 24) | (readb(vbios + 25) << 8);
427 if (pcir_offset >= 26 && pcir_offset < 0xFFE0 &&
428 readb(vbios + pcir_offset ) == 'P' &&
429 readb(vbios + pcir_offset + 1) == 'C' &&
430 readb(vbios + pcir_offset + 2) == 'I' &&
431 readb(vbios + pcir_offset + 3) == 'R') {
434 h = readb(vbios + pcir_offset + 0x12);
435 bd->version.vMaj = (h >> 4) & 0xF;
436 bd->version.vMin = h & 0xF;
437 bd->version.vRev = readb(vbios + pcir_offset + 0x13);
441 h = readb(vbios + 5);
442 bd->version.vMaj = (h >> 4) & 0xF;
443 bd->version.vMin = h & 0xF;
444 bd->version.vRev = 0;
448 static void get_bios_output(unsigned char __iomem* vbios, struct matrox_bios* bd) {
451 b = readb(vbios + 0x7FF1);
455 bd->output.state = b;
458 static void get_bios_tvout(unsigned char __iomem* vbios, struct matrox_bios* bd) {
461 /* Check for 'IBM .*(V....TVO' string - it means TVO BIOS */
462 bd->output.tvout = 0;
463 if (readb(vbios + 0x1D) != 'I' ||
464 readb(vbios + 0x1E) != 'B' ||
465 readb(vbios + 0x1F) != 'M' ||
466 readb(vbios + 0x20) != ' ') {
469 for (i = 0x2D; i < 0x2D + 128; i++) {
470 unsigned char b = readb(vbios + i);
472 if (b == '(' && readb(vbios + i + 1) == 'V') {
473 if (readb(vbios + i + 6) == 'T' &&
474 readb(vbios + i + 7) == 'V' &&
475 readb(vbios + i + 8) == 'O') {
476 bd->output.tvout = 1;
485 static void parse_bios(unsigned char __iomem* vbios, struct matrox_bios* bd) {
486 unsigned int pins_offset;
488 if (readb(vbios) != 0x55 || readb(vbios + 1) != 0xAA) {
492 get_bios_version(vbios, bd);
493 get_bios_output(vbios, bd);
494 get_bios_tvout(vbios, bd);
495 #if defined(__powerpc__)
496 /* On PowerPC cards, the PInS offset isn't stored at the end of the
497 * BIOS image. Instead, you must search the entire BIOS image for
498 * the magic PInS signature.
500 * This actually applies to all OpenFirmware base cards. Since these
501 * cards could be put in a MIPS or SPARC system, should the condition
502 * be something different?
504 for ( pins_offset = 0 ; pins_offset <= 0xFF80 ; pins_offset++ ) {
505 unsigned char header[3];
507 header[0] = readb(vbios + pins_offset);
508 header[1] = readb(vbios + pins_offset + 1);
509 header[2] = readb(vbios + pins_offset + 2);
510 if ( (header[0] == 0x2E) && (header[1] == 0x41)
511 && ((header[2] == 0x40) || (header[2] == 0x80)) ) {
512 printk(KERN_INFO "PInS data found at offset %u\n",
514 get_pins(vbios + pins_offset, bd);
519 pins_offset = readb(vbios + 0x7FFC) | (readb(vbios + 0x7FFD) << 8);
520 if (pins_offset <= 0xFF80) {
521 get_pins(vbios + pins_offset, bd);
526 #define get_u16(x) (le16_to_cpu(get_unaligned((__u16*)(x))))
527 #define get_u32(x) (le32_to_cpu(get_unaligned((__u32*)(x))))
528 static int parse_pins1(WPMINFO const struct matrox_bios* bd) {
531 switch (bd->pins[22]) {
532 case 0: maxdac = 175000; break;
533 case 1: maxdac = 220000; break;
534 default: maxdac = 240000; break;
536 if (get_u16(bd->pins + 24)) {
537 maxdac = get_u16(bd->pins + 24) * 10;
539 MINFO->limits.pixel.vcomax = maxdac;
540 MINFO->values.pll.system = get_u16(bd->pins + 28) ? get_u16(bd->pins + 28) * 10 : 50000;
541 /* ignore 4MB, 8MB, module clocks */
542 MINFO->features.pll.ref_freq = 14318;
543 MINFO->values.reg.mctlwtst = 0x00030101;
547 static void default_pins1(WPMINFO2) {
549 MINFO->limits.pixel.vcomax = 220000;
550 MINFO->values.pll.system = 50000;
551 MINFO->features.pll.ref_freq = 14318;
552 MINFO->values.reg.mctlwtst = 0x00030101;
555 static int parse_pins2(WPMINFO const struct matrox_bios* bd) {
556 MINFO->limits.pixel.vcomax =
557 MINFO->limits.system.vcomax = (bd->pins[41] == 0xFF) ? 230000 : ((bd->pins[41] + 100) * 1000);
558 MINFO->values.reg.mctlwtst = ((bd->pins[51] & 0x01) ? 0x00000001 : 0) |
559 ((bd->pins[51] & 0x02) ? 0x00000100 : 0) |
560 ((bd->pins[51] & 0x04) ? 0x00010000 : 0) |
561 ((bd->pins[51] & 0x08) ? 0x00020000 : 0);
562 MINFO->values.pll.system = (bd->pins[43] == 0xFF) ? 50000 : ((bd->pins[43] + 100) * 1000);
563 MINFO->features.pll.ref_freq = 14318;
567 static void default_pins2(WPMINFO2) {
568 /* Millennium II, Mystique */
569 MINFO->limits.pixel.vcomax =
570 MINFO->limits.system.vcomax = 230000;
571 MINFO->values.reg.mctlwtst = 0x00030101;
572 MINFO->values.pll.system = 50000;
573 MINFO->features.pll.ref_freq = 14318;
576 static int parse_pins3(WPMINFO const struct matrox_bios* bd) {
577 MINFO->limits.pixel.vcomax =
578 MINFO->limits.system.vcomax = (bd->pins[36] == 0xFF) ? 230000 : ((bd->pins[36] + 100) * 1000);
579 MINFO->values.reg.mctlwtst = get_u32(bd->pins + 48) == 0xFFFFFFFF ? 0x01250A21 : get_u32(bd->pins + 48);
581 MINFO->values.reg.memrdbk = ((bd->pins[57] << 21) & 0x1E000000) |
582 ((bd->pins[57] << 22) & 0x00C00000) |
583 ((bd->pins[56] << 1) & 0x000001E0) |
584 ( bd->pins[56] & 0x0000000F);
585 MINFO->values.reg.opt = (bd->pins[54] & 7) << 10;
586 MINFO->values.reg.opt2 = bd->pins[58] << 12;
587 MINFO->features.pll.ref_freq = (bd->pins[52] & 0x20) ? 14318 : 27000;
591 static void default_pins3(WPMINFO2) {
593 MINFO->limits.pixel.vcomax =
594 MINFO->limits.system.vcomax = 230000;
595 MINFO->values.reg.mctlwtst = 0x01250A21;
596 MINFO->values.reg.memrdbk = 0x00000000;
597 MINFO->values.reg.opt = 0x00000C00;
598 MINFO->values.reg.opt2 = 0x00000000;
599 MINFO->features.pll.ref_freq = 27000;
602 static int parse_pins4(WPMINFO const struct matrox_bios* bd) {
603 MINFO->limits.pixel.vcomax = (bd->pins[ 39] == 0xFF) ? 230000 : bd->pins[ 39] * 4000;
604 MINFO->limits.system.vcomax = (bd->pins[ 38] == 0xFF) ? MINFO->limits.pixel.vcomax : bd->pins[ 38] * 4000;
605 MINFO->values.reg.mctlwtst = get_u32(bd->pins + 71);
606 MINFO->values.reg.memrdbk = ((bd->pins[87] << 21) & 0x1E000000) |
607 ((bd->pins[87] << 22) & 0x00C00000) |
608 ((bd->pins[86] << 1) & 0x000001E0) |
609 ( bd->pins[86] & 0x0000000F);
610 MINFO->values.reg.opt = ((bd->pins[53] << 15) & 0x00400000) |
611 ((bd->pins[53] << 22) & 0x10000000) |
612 ((bd->pins[53] << 7) & 0x00001C00);
613 MINFO->values.reg.opt3 = get_u32(bd->pins + 67);
614 MINFO->values.pll.system = (bd->pins[ 65] == 0xFF) ? 200000 : bd->pins[ 65] * 4000;
615 MINFO->features.pll.ref_freq = (bd->pins[ 92] & 0x01) ? 14318 : 27000;
619 static void default_pins4(WPMINFO2) {
621 MINFO->limits.pixel.vcomax =
622 MINFO->limits.system.vcomax = 252000;
623 MINFO->values.reg.mctlwtst = 0x04A450A1;
624 MINFO->values.reg.memrdbk = 0x000000E7;
625 MINFO->values.reg.opt = 0x10000400;
626 MINFO->values.reg.opt3 = 0x0190A419;
627 MINFO->values.pll.system = 200000;
628 MINFO->features.pll.ref_freq = 27000;
631 static int parse_pins5(WPMINFO const struct matrox_bios* bd) {
634 mult = bd->pins[4]?8000:6000;
636 MINFO->limits.pixel.vcomax = (bd->pins[ 38] == 0xFF) ? 600000 : bd->pins[ 38] * mult;
637 MINFO->limits.system.vcomax = (bd->pins[ 36] == 0xFF) ? MINFO->limits.pixel.vcomax : bd->pins[ 36] * mult;
638 MINFO->limits.video.vcomax = (bd->pins[ 37] == 0xFF) ? MINFO->limits.system.vcomax : bd->pins[ 37] * mult;
639 MINFO->limits.pixel.vcomin = (bd->pins[123] == 0xFF) ? 256000 : bd->pins[123] * mult;
640 MINFO->limits.system.vcomin = (bd->pins[121] == 0xFF) ? MINFO->limits.pixel.vcomin : bd->pins[121] * mult;
641 MINFO->limits.video.vcomin = (bd->pins[122] == 0xFF) ? MINFO->limits.system.vcomin : bd->pins[122] * mult;
642 MINFO->values.pll.system =
643 MINFO->values.pll.video = (bd->pins[ 92] == 0xFF) ? 284000 : bd->pins[ 92] * 4000;
644 MINFO->values.reg.opt = get_u32(bd->pins+ 48);
645 MINFO->values.reg.opt2 = get_u32(bd->pins+ 52);
646 MINFO->values.reg.opt3 = get_u32(bd->pins+ 94);
647 MINFO->values.reg.mctlwtst = get_u32(bd->pins+ 98);
648 MINFO->values.reg.memmisc = get_u32(bd->pins+102);
649 MINFO->values.reg.memrdbk = get_u32(bd->pins+106);
650 MINFO->features.pll.ref_freq = (bd->pins[110] & 0x01) ? 14318 : 27000;
651 MINFO->values.memory.ddr = (bd->pins[114] & 0x60) == 0x20;
652 MINFO->values.memory.dll = (bd->pins[115] & 0x02) != 0;
653 MINFO->values.memory.emrswen = (bd->pins[115] & 0x01) != 0;
654 MINFO->values.reg.maccess = MINFO->values.memory.emrswen ? 0x00004000 : 0x00000000;
655 if (bd->pins[115] & 4) {
656 MINFO->values.reg.mctlwtst_core = MINFO->values.reg.mctlwtst;
658 u_int32_t wtst_xlat[] = { 0, 1, 5, 6, 7, 5, 2, 3 };
659 MINFO->values.reg.mctlwtst_core = (MINFO->values.reg.mctlwtst & ~7) |
660 wtst_xlat[MINFO->values.reg.mctlwtst & 7];
665 static void default_pins5(WPMINFO2) {
666 /* Mine 16MB G450 with SDRAM DDR */
667 MINFO->limits.pixel.vcomax =
668 MINFO->limits.system.vcomax =
669 MINFO->limits.video.vcomax = 600000;
670 MINFO->limits.pixel.vcomin =
671 MINFO->limits.system.vcomin =
672 MINFO->limits.video.vcomin = 256000;
673 MINFO->values.pll.system =
674 MINFO->values.pll.video = 284000;
675 MINFO->values.reg.opt = 0x404A1160;
676 MINFO->values.reg.opt2 = 0x0000AC00;
677 MINFO->values.reg.opt3 = 0x0090A409;
678 MINFO->values.reg.mctlwtst_core =
679 MINFO->values.reg.mctlwtst = 0x0C81462B;
680 MINFO->values.reg.memmisc = 0x80000004;
681 MINFO->values.reg.memrdbk = 0x01001103;
682 MINFO->features.pll.ref_freq = 27000;
683 MINFO->values.memory.ddr = 1;
684 MINFO->values.memory.dll = 1;
685 MINFO->values.memory.emrswen = 1;
686 MINFO->values.reg.maccess = 0x00004000;
689 static int matroxfb_set_limits(WPMINFO const struct matrox_bios* bd) {
690 unsigned int pins_version;
691 static const unsigned int pinslen[] = { 64, 64, 64, 128, 128 };
693 switch (ACCESS_FBINFO(chip)) {
694 case MGA_2064: default_pins1(PMINFO2); break;
697 case MGA_1164: default_pins2(PMINFO2); break;
699 case MGA_G200: default_pins3(PMINFO2); break;
700 case MGA_G400: default_pins4(PMINFO2); break;
702 case MGA_G550: default_pins5(PMINFO2); break;
704 if (!bd->bios_valid) {
705 printk(KERN_INFO "matroxfb: Your Matrox device does not have BIOS\n");
708 if (bd->pins_len < 64) {
709 printk(KERN_INFO "matroxfb: BIOS on your Matrox device does not contain powerup info\n");
712 if (bd->pins[0] == 0x2E && bd->pins[1] == 0x41) {
713 pins_version = bd->pins[5];
714 if (pins_version < 2 || pins_version > 5) {
715 printk(KERN_INFO "matroxfb: Unknown version (%u) of powerup info\n", pins_version);
721 if (bd->pins_len != pinslen[pins_version - 1]) {
722 printk(KERN_INFO "matroxfb: Invalid powerup info\n");
725 switch (pins_version) {
727 return parse_pins1(PMINFO bd);
729 return parse_pins2(PMINFO bd);
731 return parse_pins3(PMINFO bd);
733 return parse_pins4(PMINFO bd);
735 return parse_pins5(PMINFO bd);
737 printk(KERN_DEBUG "matroxfb: Powerup info version %u is not yet supported\n", pins_version);
742 void matroxfb_read_pins(WPMINFO2) {
746 struct pci_dev* pdev = ACCESS_FBINFO(pcidev);
748 memset(&ACCESS_FBINFO(bios), 0, sizeof(ACCESS_FBINFO(bios)));
749 pci_read_config_dword(pdev, PCI_OPTION_REG, &opt);
750 pci_write_config_dword(pdev, PCI_OPTION_REG, opt | PCI_OPTION_ENABLE_ROM);
751 pci_read_config_dword(pdev, PCI_ROM_ADDRESS, &biosbase);
752 pci_read_config_dword(pdev, ACCESS_FBINFO(devflags.fbResource), &fbbase);
753 pci_write_config_dword(pdev, PCI_ROM_ADDRESS, (fbbase & PCI_ROM_ADDRESS_MASK) | PCI_ROM_ADDRESS_ENABLE);
754 parse_bios(vaddr_va(ACCESS_FBINFO(video).vbase), &ACCESS_FBINFO(bios));
755 pci_write_config_dword(pdev, PCI_ROM_ADDRESS, biosbase);
756 pci_write_config_dword(pdev, PCI_OPTION_REG, opt);
758 if (!ACCESS_FBINFO(bios).bios_valid) {
759 unsigned char __iomem* b;
761 b = ioremap(0x000C0000, 65536);
763 printk(KERN_INFO "matroxfb: Unable to map legacy BIOS\n");
765 unsigned int ven = readb(b+0x64+0) | (readb(b+0x64+1) << 8);
766 unsigned int dev = readb(b+0x64+2) | (readb(b+0x64+3) << 8);
768 if (ven != pdev->vendor || dev != pdev->device) {
769 printk(KERN_INFO "matroxfb: Legacy BIOS is for %04X:%04X, while this device is %04X:%04X\n",
770 ven, dev, pdev->vendor, pdev->device);
772 parse_bios(b, &ACCESS_FBINFO(bios));
778 matroxfb_set_limits(PMINFO &ACCESS_FBINFO(bios));
779 printk(KERN_INFO "PInS memtype = %u\n",
780 (ACCESS_FBINFO(values).reg.opt & 0x1C00) >> 10);
783 EXPORT_SYMBOL(matroxfb_DAC_in);
784 EXPORT_SYMBOL(matroxfb_DAC_out);
785 EXPORT_SYMBOL(matroxfb_var2my);
786 EXPORT_SYMBOL(matroxfb_PLL_calcclock);
787 #ifndef CONFIG_FB_MATROX_MULTIHEAD
788 struct matrox_fb_info matroxfb_global_mxinfo;
789 EXPORT_SYMBOL(matroxfb_global_mxinfo);
791 EXPORT_SYMBOL(matroxfb_vgaHWinit); /* DAC1064, Ti3026 */
792 EXPORT_SYMBOL(matroxfb_vgaHWrestore); /* DAC1064, Ti3026 */
793 EXPORT_SYMBOL(matroxfb_read_pins);
795 MODULE_AUTHOR("(c) 1999-2002 Petr Vandrovec <vandrove@vc.cvut.cz>");
796 MODULE_DESCRIPTION("Miscellaneous support for Matrox video cards");
797 MODULE_LICENSE("GPL");