1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 *
4 * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400
5 *
6 * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>
7 *
8 * Portions Copyright (c) 2001 Matrox Graphics Inc.
9 *
10 * Version: 1.65 2002/08/14
11 *
12 * MTRR stuff: 1998 Tom Rini <trini@kernel.crashing.org>
13 *
14 * Contributors: "menion?" <menion@mindless.com>
15 * Betatesting, fixes, ideas
16 *
17 * "Kurt Garloff" <garloff@suse.de>
18 * Betatesting, fixes, ideas, videomodes, videomodes timmings
19 *
20 * "Tom Rini" <trini@kernel.crashing.org>
21 * MTRR stuff, PPC cleanups, betatesting, fixes, ideas
22 *
23 * "Bibek Sahu" <scorpio@dodds.net>
24 * Access device through readb|w|l and write b|w|l
25 * Extensive debugging stuff
26 *
27 * "Daniel Haun" <haund@usa.net>
28 * Testing, hardware cursor fixes
29 *
30 * "Scott Wood" <sawst46+@pitt.edu>
31 * Fixes
32 *
33 * "Gerd Knorr" <kraxel@goldbach.isdn.cs.tu-berlin.de>
34 * Betatesting
35 *
36 * "Kelly French" <targon@hazmat.com>
37 * "Fernando Herrera" <fherrera@eurielec.etsit.upm.es>
38 * Betatesting, bug reporting
39 *
40 * "Pablo Bianucci" <pbian@pccp.com.ar>
41 * Fixes, ideas, betatesting
42 *
43 * "Inaky Perez Gonzalez" <inaky@peloncho.fis.ucm.es>
44 * Fixes, enhandcements, ideas, betatesting
45 *
46 * "Ryuichi Oikawa" <roikawa@rr.iiij4u.or.jp>
47 * PPC betatesting, PPC support, backward compatibility
48 *
49 * "Paul Womar" <Paul@pwomar.demon.co.uk>
50 * "Owen Waller" <O.Waller@ee.qub.ac.uk>
51 * PPC betatesting
52 *
53 * "Thomas Pornin" <pornin@bolet.ens.fr>
54 * Alpha betatesting
55 *
56 * "Pieter van Leuven" <pvl@iae.nl>
57 * "Ulf Jaenicke-Roessler" <ujr@physik.phy.tu-dresden.de>
58 * G100 testing
59 *
60 * "H. Peter Arvin" <hpa@transmeta.com>
61 * Ideas
62 *
63 * "Cort Dougan" <cort@cs.nmt.edu>
64 * CHRP fixes and PReP cleanup
65 *
66 * "Mark Vojkovich" <mvojkovi@ucsd.edu>
67 * G400 support
68 *
69 * "Samuel Hocevar" <sam@via.ecp.fr>
70 * Fixes
71 *
72 * "Anton Altaparmakov" <AntonA@bigfoot.com>
73 * G400 MAX/non-MAX distinction
74 *
75 * "Ken Aaker" <kdaaker@rchland.vnet.ibm.com>
76 * memtype extension (needed for GXT130P RS/6000 adapter)
77 *
78 * "Uns Lider" <unslider@miranda.org>
79 * G100 PLNWT fixes
80 *
81 * "Denis Zaitsev" <zzz@cd-club.ru>
82 * Fixes
83 *
84 * "Mike Pieper" <mike@pieper-family.de>
85 * TVOut enhandcements, V4L2 control interface.
86 *
87 * "Diego Biurrun" <diego@biurrun.de>
88 * DFP testing
89 *
90 * (following author is not in any relation with this code, but his code
91 * is included in this driver)
92 *
93 * Based on framebuffer driver for VBE 2.0 compliant graphic boards
94 * (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de>
95 *
96 * (following author is not in any relation with this code, but his ideas
97 * were used when writing this driver)
98 *
99 * FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk>
100 *
101 */
102
103 #include <linux/version.h>
104
105 #include "matroxfb_base.h"
106 #include "matroxfb_misc.h"
107 #include "matroxfb_accel.h"
108 #include "matroxfb_DAC1064.h"
109 #include "matroxfb_Ti3026.h"
110 #include "matroxfb_maven.h"
111 #include "matroxfb_crtc2.h"
112 #include "matroxfb_g450.h"
113 #include <linux/matroxfb.h>
114 #include <linux/interrupt.h>
115 #include <linux/nvram.h>
116 #include <linux/slab.h>
117 #include <linux/uaccess.h>
118
119 #ifdef CONFIG_PPC_PMAC
120 #include <asm/machdep.h>
121 static int default_vmode = VMODE_NVRAM;
122 static int default_cmode = CMODE_NVRAM;
123 #endif
124
125 static void matroxfb_unregister_device(struct matrox_fb_info* minfo);
126
127 /* --------------------------------------------------------------------- */
128
129 /*
130 * card parameters
131 */
132
133 /* --------------------------------------------------------------------- */
134
135 static struct fb_var_screeninfo vesafb_defined = {
136 640,480,640,480,/* W,H, W, H (virtual) load xres,xres_virtual*/
137 0,0, /* virtual -> visible no offset */
138 8, /* depth -> load bits_per_pixel */
139 0, /* greyscale ? */
140 {0,0,0}, /* R */
141 {0,0,0}, /* G */
142 {0,0,0}, /* B */
143 {0,0,0}, /* transparency */
144 0, /* standard pixel format */
145 FB_ACTIVATE_NOW,
146 -1,-1,
147 FB_ACCELF_TEXT, /* accel flags */
148 39721L,48L,16L,33L,10L,
149 96L,2L,~0, /* No sync info */
150 FB_VMODE_NONINTERLACED,
151 };
152
153
154
155 /* --------------------------------------------------------------------- */
update_crtc2(struct matrox_fb_info * minfo,unsigned int pos)156 static void update_crtc2(struct matrox_fb_info *minfo, unsigned int pos)
157 {
158 struct matroxfb_dh_fb_info *info = minfo->crtc2.info;
159
160 /* Make sure that displays are compatible */
161 if (info && (info->fbcon.var.bits_per_pixel == minfo->fbcon.var.bits_per_pixel)
162 && (info->fbcon.var.xres_virtual == minfo->fbcon.var.xres_virtual)
163 && (info->fbcon.var.green.length == minfo->fbcon.var.green.length)
164 ) {
165 switch (minfo->fbcon.var.bits_per_pixel) {
166 case 16:
167 case 32:
168 pos = pos * 8;
169 if (info->interlaced) {
170 mga_outl(0x3C2C, pos);
171 mga_outl(0x3C28, pos + minfo->fbcon.var.xres_virtual * minfo->fbcon.var.bits_per_pixel / 8);
172 } else {
173 mga_outl(0x3C28, pos);
174 }
175 break;
176 }
177 }
178 }
179
matroxfb_crtc1_panpos(struct matrox_fb_info * minfo)180 static void matroxfb_crtc1_panpos(struct matrox_fb_info *minfo)
181 {
182 if (minfo->crtc1.panpos >= 0) {
183 unsigned long flags;
184 int panpos;
185
186 matroxfb_DAC_lock_irqsave(flags);
187 panpos = minfo->crtc1.panpos;
188 if (panpos >= 0) {
189 unsigned int extvga_reg;
190
191 minfo->crtc1.panpos = -1; /* No update pending anymore */
192 extvga_reg = mga_inb(M_EXTVGA_INDEX);
193 mga_setr(M_EXTVGA_INDEX, 0x00, panpos);
194 if (extvga_reg != 0x00) {
195 mga_outb(M_EXTVGA_INDEX, extvga_reg);
196 }
197 }
198 matroxfb_DAC_unlock_irqrestore(flags);
199 }
200 }
201
matrox_irq(int irq,void * dev_id)202 static irqreturn_t matrox_irq(int irq, void *dev_id)
203 {
204 u_int32_t status;
205 int handled = 0;
206 struct matrox_fb_info *minfo = dev_id;
207
208 status = mga_inl(M_STATUS);
209
210 if (status & 0x20) {
211 mga_outl(M_ICLEAR, 0x20);
212 minfo->crtc1.vsync.cnt++;
213 matroxfb_crtc1_panpos(minfo);
214 wake_up_interruptible(&minfo->crtc1.vsync.wait);
215 handled = 1;
216 }
217 if (status & 0x200) {
218 mga_outl(M_ICLEAR, 0x200);
219 minfo->crtc2.vsync.cnt++;
220 wake_up_interruptible(&minfo->crtc2.vsync.wait);
221 handled = 1;
222 }
223 return IRQ_RETVAL(handled);
224 }
225
matroxfb_enable_irq(struct matrox_fb_info * minfo,int reenable)226 int matroxfb_enable_irq(struct matrox_fb_info *minfo, int reenable)
227 {
228 u_int32_t bm;
229
230 if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400)
231 bm = 0x220;
232 else
233 bm = 0x020;
234
235 if (!test_and_set_bit(0, &minfo->irq_flags)) {
236 if (request_irq(minfo->pcidev->irq, matrox_irq,
237 IRQF_SHARED, "matroxfb", minfo)) {
238 clear_bit(0, &minfo->irq_flags);
239 return -EINVAL;
240 }
241 /* Clear any pending field interrupts */
242 mga_outl(M_ICLEAR, bm);
243 mga_outl(M_IEN, mga_inl(M_IEN) | bm);
244 } else if (reenable) {
245 u_int32_t ien;
246
247 ien = mga_inl(M_IEN);
248 if ((ien & bm) != bm) {
249 printk(KERN_DEBUG "matroxfb: someone disabled IRQ [%08X]\n", ien);
250 mga_outl(M_IEN, ien | bm);
251 }
252 }
253 return 0;
254 }
255
matroxfb_disable_irq(struct matrox_fb_info * minfo)256 static void matroxfb_disable_irq(struct matrox_fb_info *minfo)
257 {
258 if (test_and_clear_bit(0, &minfo->irq_flags)) {
259 /* Flush pending pan-at-vbl request... */
260 matroxfb_crtc1_panpos(minfo);
261 if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400)
262 mga_outl(M_IEN, mga_inl(M_IEN) & ~0x220);
263 else
264 mga_outl(M_IEN, mga_inl(M_IEN) & ~0x20);
265 free_irq(minfo->pcidev->irq, minfo);
266 }
267 }
268
matroxfb_wait_for_sync(struct matrox_fb_info * minfo,u_int32_t crtc)269 int matroxfb_wait_for_sync(struct matrox_fb_info *minfo, u_int32_t crtc)
270 {
271 struct matrox_vsync *vs;
272 unsigned int cnt;
273 int ret;
274
275 switch (crtc) {
276 case 0:
277 vs = &minfo->crtc1.vsync;
278 break;
279 case 1:
280 if (minfo->devflags.accelerator != FB_ACCEL_MATROX_MGAG400) {
281 return -ENODEV;
282 }
283 vs = &minfo->crtc2.vsync;
284 break;
285 default:
286 return -ENODEV;
287 }
288 ret = matroxfb_enable_irq(minfo, 0);
289 if (ret) {
290 return ret;
291 }
292
293 cnt = vs->cnt;
294 ret = wait_event_interruptible_timeout(vs->wait, cnt != vs->cnt, HZ/10);
295 if (ret < 0) {
296 return ret;
297 }
298 if (ret == 0) {
299 matroxfb_enable_irq(minfo, 1);
300 return -ETIMEDOUT;
301 }
302 return 0;
303 }
304
305 /* --------------------------------------------------------------------- */
306
matrox_pan_var(struct matrox_fb_info * minfo,struct fb_var_screeninfo * var)307 static void matrox_pan_var(struct matrox_fb_info *minfo,
308 struct fb_var_screeninfo *var)
309 {
310 unsigned int pos;
311 unsigned short p0, p1, p2;
312 unsigned int p3;
313 int vbl;
314 unsigned long flags;
315
316 CRITFLAGS
317
318 DBG(__func__)
319
320 if (minfo->dead)
321 return;
322
323 minfo->fbcon.var.xoffset = var->xoffset;
324 minfo->fbcon.var.yoffset = var->yoffset;
325 pos = (minfo->fbcon.var.yoffset * minfo->fbcon.var.xres_virtual + minfo->fbcon.var.xoffset) * minfo->curr.final_bppShift / 32;
326 pos += minfo->curr.ydstorg.chunks;
327 p0 = minfo->hw.CRTC[0x0D] = pos & 0xFF;
328 p1 = minfo->hw.CRTC[0x0C] = (pos & 0xFF00) >> 8;
329 p2 = minfo->hw.CRTCEXT[0] = (minfo->hw.CRTCEXT[0] & 0xB0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
330 p3 = minfo->hw.CRTCEXT[8] = pos >> 21;
331
332 /* FB_ACTIVATE_VBL and we can acquire interrupts? Honor FB_ACTIVATE_VBL then... */
333 vbl = (var->activate & FB_ACTIVATE_VBL) && (matroxfb_enable_irq(minfo, 0) == 0);
334
335 CRITBEGIN
336
337 matroxfb_DAC_lock_irqsave(flags);
338 mga_setr(M_CRTC_INDEX, 0x0D, p0);
339 mga_setr(M_CRTC_INDEX, 0x0C, p1);
340 if (minfo->devflags.support32MB)
341 mga_setr(M_EXTVGA_INDEX, 0x08, p3);
342 if (vbl) {
343 minfo->crtc1.panpos = p2;
344 } else {
345 /* Abort any pending change */
346 minfo->crtc1.panpos = -1;
347 mga_setr(M_EXTVGA_INDEX, 0x00, p2);
348 }
349 matroxfb_DAC_unlock_irqrestore(flags);
350
351 update_crtc2(minfo, pos);
352
353 CRITEND
354 }
355
matroxfb_remove(struct matrox_fb_info * minfo,int dummy)356 static void matroxfb_remove(struct matrox_fb_info *minfo, int dummy)
357 {
358 /* Currently we are holding big kernel lock on all dead & usecount updates.
359 * Destroy everything after all users release it. Especially do not unregister
360 * framebuffer and iounmap memory, neither fbmem nor fbcon-cfb* does not check
361 * for device unplugged when in use.
362 * In future we should point mmio.vbase & video.vbase somewhere where we can
363 * write data without causing too much damage...
364 */
365
366 minfo->dead = 1;
367 if (minfo->usecount) {
368 /* destroy it later */
369 return;
370 }
371 matroxfb_unregister_device(minfo);
372 unregister_framebuffer(&minfo->fbcon);
373 matroxfb_g450_shutdown(minfo);
374 arch_phys_wc_del(minfo->wc_cookie);
375 iounmap(minfo->mmio.vbase.vaddr);
376 iounmap(minfo->video.vbase.vaddr);
377 release_mem_region(minfo->video.base, minfo->video.len_maximum);
378 release_mem_region(minfo->mmio.base, 16384);
379 kfree(minfo);
380 }
381
382 /*
383 * Open/Release the frame buffer device
384 */
385
matroxfb_open(struct fb_info * info,int user)386 static int matroxfb_open(struct fb_info *info, int user)
387 {
388 struct matrox_fb_info *minfo = info2minfo(info);
389
390 DBG_LOOP(__func__)
391
392 if (minfo->dead) {
393 return -ENXIO;
394 }
395 minfo->usecount++;
396 if (user) {
397 minfo->userusecount++;
398 }
399 return(0);
400 }
401
matroxfb_release(struct fb_info * info,int user)402 static int matroxfb_release(struct fb_info *info, int user)
403 {
404 struct matrox_fb_info *minfo = info2minfo(info);
405
406 DBG_LOOP(__func__)
407
408 if (user) {
409 if (0 == --minfo->userusecount) {
410 matroxfb_disable_irq(minfo);
411 }
412 }
413 if (!(--minfo->usecount) && minfo->dead) {
414 matroxfb_remove(minfo, 0);
415 }
416 return(0);
417 }
418
matroxfb_pan_display(struct fb_var_screeninfo * var,struct fb_info * info)419 static int matroxfb_pan_display(struct fb_var_screeninfo *var,
420 struct fb_info* info) {
421 struct matrox_fb_info *minfo = info2minfo(info);
422
423 DBG(__func__)
424
425 matrox_pan_var(minfo, var);
426 return 0;
427 }
428
matroxfb_get_final_bppShift(const struct matrox_fb_info * minfo,int bpp)429 static int matroxfb_get_final_bppShift(const struct matrox_fb_info *minfo,
430 int bpp)
431 {
432 int bppshft2;
433
434 DBG(__func__)
435
436 bppshft2 = bpp;
437 if (!bppshft2) {
438 return 8;
439 }
440 if (isInterleave(minfo))
441 bppshft2 >>= 1;
442 if (minfo->devflags.video64bits)
443 bppshft2 >>= 1;
444 return bppshft2;
445 }
446
matroxfb_test_and_set_rounding(const struct matrox_fb_info * minfo,int xres,int bpp)447 static int matroxfb_test_and_set_rounding(const struct matrox_fb_info *minfo,
448 int xres, int bpp)
449 {
450 int over;
451 int rounding;
452
453 DBG(__func__)
454
455 switch (bpp) {
456 case 0: return xres;
457 case 4: rounding = 128;
458 break;
459 case 8: rounding = 64; /* doc says 64; 32 is OK for G400 */
460 break;
461 case 16: rounding = 32;
462 break;
463 case 24: rounding = 64; /* doc says 64; 32 is OK for G400 */
464 break;
465 default: rounding = 16;
466 /* on G400, 16 really does not work */
467 if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400)
468 rounding = 32;
469 break;
470 }
471 if (isInterleave(minfo)) {
472 rounding *= 2;
473 }
474 over = xres % rounding;
475 if (over)
476 xres += rounding-over;
477 return xres;
478 }
479
matroxfb_pitch_adjust(const struct matrox_fb_info * minfo,int xres,int bpp)480 static int matroxfb_pitch_adjust(const struct matrox_fb_info *minfo, int xres,
481 int bpp)
482 {
483 const int* width;
484 int xres_new;
485
486 DBG(__func__)
487
488 if (!bpp) return xres;
489
490 width = minfo->capable.vxres;
491
492 if (minfo->devflags.precise_width) {
493 while (*width) {
494 if ((*width >= xres) && (matroxfb_test_and_set_rounding(minfo, *width, bpp) == *width)) {
495 break;
496 }
497 width++;
498 }
499 xres_new = *width;
500 } else {
501 xres_new = matroxfb_test_and_set_rounding(minfo, xres, bpp);
502 }
503 return xres_new;
504 }
505
matroxfb_get_cmap_len(struct fb_var_screeninfo * var)506 static int matroxfb_get_cmap_len(struct fb_var_screeninfo *var) {
507
508 DBG(__func__)
509
510 switch (var->bits_per_pixel) {
511 case 4:
512 return 16; /* pseudocolor... 16 entries HW palette */
513 case 8:
514 return 256; /* pseudocolor... 256 entries HW palette */
515 case 16:
516 return 16; /* directcolor... 16 entries SW palette */
517 /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
518 case 24:
519 return 16; /* directcolor... 16 entries SW palette */
520 /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
521 case 32:
522 return 16; /* directcolor... 16 entries SW palette */
523 /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
524 }
525 return 16; /* return something reasonable... or panic()? */
526 }
527
matroxfb_decode_var(const struct matrox_fb_info * minfo,struct fb_var_screeninfo * var,int * visual,int * video_cmap_len,unsigned int * ydstorg)528 static int matroxfb_decode_var(const struct matrox_fb_info *minfo,
529 struct fb_var_screeninfo *var, int *visual,
530 int *video_cmap_len, unsigned int* ydstorg)
531 {
532 struct RGBT {
533 unsigned char bpp;
534 struct {
535 unsigned char offset,
536 length;
537 } red,
538 green,
539 blue,
540 transp;
541 signed char visual;
542 };
543 static const struct RGBT table[]= {
544 { 8,{ 0,8},{0,8},{0,8},{ 0,0},MX_VISUAL_PSEUDOCOLOR},
545 {15,{10,5},{5,5},{0,5},{15,1},MX_VISUAL_DIRECTCOLOR},
546 {16,{11,5},{5,6},{0,5},{ 0,0},MX_VISUAL_DIRECTCOLOR},
547 {24,{16,8},{8,8},{0,8},{ 0,0},MX_VISUAL_DIRECTCOLOR},
548 {32,{16,8},{8,8},{0,8},{24,8},MX_VISUAL_DIRECTCOLOR}
549 };
550 struct RGBT const *rgbt;
551 unsigned int bpp = var->bits_per_pixel;
552 unsigned int vramlen;
553 unsigned int memlen;
554
555 DBG(__func__)
556
557 switch (bpp) {
558 case 4: if (!minfo->capable.cfb4) return -EINVAL;
559 break;
560 case 8: break;
561 case 16: break;
562 case 24: break;
563 case 32: break;
564 default: return -EINVAL;
565 }
566 *ydstorg = 0;
567 vramlen = minfo->video.len_usable;
568 if (var->yres_virtual < var->yres)
569 var->yres_virtual = var->yres;
570 if (var->xres_virtual < var->xres)
571 var->xres_virtual = var->xres;
572
573 var->xres_virtual = matroxfb_pitch_adjust(minfo, var->xres_virtual, bpp);
574 memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
575 if (memlen > vramlen) {
576 var->yres_virtual = vramlen * 8 / (var->xres_virtual * bpp);
577 memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
578 }
579 /* There is hardware bug that no line can cross 4MB boundary */
580 /* give up for CFB24, it is impossible to easy workaround it */
581 /* for other try to do something */
582 if (!minfo->capable.cross4MB && (memlen > 0x400000)) {
583 if (bpp == 24) {
584 /* sorry */
585 } else {
586 unsigned int linelen;
587 unsigned int m1 = linelen = var->xres_virtual * bpp / 8;
588 unsigned int m2 = PAGE_SIZE; /* or 128 if you do not need PAGE ALIGNED address */
589 unsigned int max_yres;
590
591 while (m1) {
592 while (m2 >= m1) m2 -= m1;
593 swap(m1, m2);
594 }
595 m2 = linelen * PAGE_SIZE / m2;
596 *ydstorg = m2 = 0x400000 % m2;
597 max_yres = (vramlen - m2) / linelen;
598 if (var->yres_virtual > max_yres)
599 var->yres_virtual = max_yres;
600 }
601 }
602 /* YDSTLEN contains only signed 16bit value */
603 if (var->yres_virtual > 32767)
604 var->yres_virtual = 32767;
605 /* we must round yres/xres down, we already rounded y/xres_virtual up
606 if it was possible. We should return -EINVAL, but I disagree */
607 if (var->yres_virtual < var->yres)
608 var->yres = var->yres_virtual;
609 if (var->xres_virtual < var->xres)
610 var->xres = var->xres_virtual;
611 if (var->xoffset + var->xres > var->xres_virtual)
612 var->xoffset = var->xres_virtual - var->xres;
613 if (var->yoffset + var->yres > var->yres_virtual)
614 var->yoffset = var->yres_virtual - var->yres;
615
616 if (bpp == 16 && var->green.length == 5) {
617 bpp--; /* an artificial value - 15 */
618 }
619
620 for (rgbt = table; rgbt->bpp < bpp; rgbt++);
621 #define SETCLR(clr)\
622 var->clr.offset = rgbt->clr.offset;\
623 var->clr.length = rgbt->clr.length
624 SETCLR(red);
625 SETCLR(green);
626 SETCLR(blue);
627 SETCLR(transp);
628 #undef SETCLR
629 *visual = rgbt->visual;
630
631 if (bpp > 8)
632 dprintk("matroxfb: truecolor: "
633 "size=%d:%d:%d:%d, shift=%d:%d:%d:%d\n",
634 var->transp.length, var->red.length, var->green.length, var->blue.length,
635 var->transp.offset, var->red.offset, var->green.offset, var->blue.offset);
636
637 *video_cmap_len = matroxfb_get_cmap_len(var);
638 dprintk(KERN_INFO "requested %d*%d/%dbpp (%d*%d)\n", var->xres, var->yres, var->bits_per_pixel,
639 var->xres_virtual, var->yres_virtual);
640 return 0;
641 }
642
matroxfb_setcolreg(unsigned regno,unsigned red,unsigned green,unsigned blue,unsigned transp,struct fb_info * fb_info)643 static int matroxfb_setcolreg(unsigned regno, unsigned red, unsigned green,
644 unsigned blue, unsigned transp,
645 struct fb_info *fb_info)
646 {
647 struct matrox_fb_info* minfo = container_of(fb_info, struct matrox_fb_info, fbcon);
648
649 DBG(__func__)
650
651 /*
652 * Set a single color register. The values supplied are
653 * already rounded down to the hardware's capabilities
654 * (according to the entries in the `var' structure). Return
655 * != 0 for invalid regno.
656 */
657
658 if (regno >= minfo->curr.cmap_len)
659 return 1;
660
661 if (minfo->fbcon.var.grayscale) {
662 /* gray = 0.30*R + 0.59*G + 0.11*B */
663 red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
664 }
665
666 red = CNVT_TOHW(red, minfo->fbcon.var.red.length);
667 green = CNVT_TOHW(green, minfo->fbcon.var.green.length);
668 blue = CNVT_TOHW(blue, minfo->fbcon.var.blue.length);
669 transp = CNVT_TOHW(transp, minfo->fbcon.var.transp.length);
670
671 switch (minfo->fbcon.var.bits_per_pixel) {
672 case 4:
673 case 8:
674 mga_outb(M_DAC_REG, regno);
675 mga_outb(M_DAC_VAL, red);
676 mga_outb(M_DAC_VAL, green);
677 mga_outb(M_DAC_VAL, blue);
678 break;
679 case 16:
680 if (regno >= 16)
681 break;
682 {
683 u_int16_t col =
684 (red << minfo->fbcon.var.red.offset) |
685 (green << minfo->fbcon.var.green.offset) |
686 (blue << minfo->fbcon.var.blue.offset) |
687 (transp << minfo->fbcon.var.transp.offset); /* for 1:5:5:5 */
688 minfo->cmap[regno] = col | (col << 16);
689 }
690 break;
691 case 24:
692 case 32:
693 if (regno >= 16)
694 break;
695 minfo->cmap[regno] =
696 (red << minfo->fbcon.var.red.offset) |
697 (green << minfo->fbcon.var.green.offset) |
698 (blue << minfo->fbcon.var.blue.offset) |
699 (transp << minfo->fbcon.var.transp.offset); /* 8:8:8:8 */
700 break;
701 }
702 return 0;
703 }
704
matroxfb_init_fix(struct matrox_fb_info * minfo)705 static void matroxfb_init_fix(struct matrox_fb_info *minfo)
706 {
707 struct fb_fix_screeninfo *fix = &minfo->fbcon.fix;
708 DBG(__func__)
709
710 strcpy(fix->id,"MATROX");
711
712 fix->xpanstep = 8; /* 8 for 8bpp, 4 for 16bpp, 2 for 32bpp */
713 fix->ypanstep = 1;
714 fix->ywrapstep = 0;
715 fix->mmio_start = minfo->mmio.base;
716 fix->mmio_len = minfo->mmio.len;
717 fix->accel = minfo->devflags.accelerator;
718 }
719
matroxfb_update_fix(struct matrox_fb_info * minfo)720 static void matroxfb_update_fix(struct matrox_fb_info *minfo)
721 {
722 struct fb_fix_screeninfo *fix = &minfo->fbcon.fix;
723 DBG(__func__)
724
725 mutex_lock(&minfo->fbcon.mm_lock);
726 fix->smem_start = minfo->video.base + minfo->curr.ydstorg.bytes;
727 fix->smem_len = minfo->video.len_usable - minfo->curr.ydstorg.bytes;
728 mutex_unlock(&minfo->fbcon.mm_lock);
729 }
730
matroxfb_check_var(struct fb_var_screeninfo * var,struct fb_info * info)731 static int matroxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
732 {
733 int err;
734 int visual;
735 int cmap_len;
736 unsigned int ydstorg;
737 struct matrox_fb_info *minfo = info2minfo(info);
738
739 if (minfo->dead) {
740 return -ENXIO;
741 }
742 if ((err = matroxfb_decode_var(minfo, var, &visual, &cmap_len, &ydstorg)) != 0)
743 return err;
744 return 0;
745 }
746
matroxfb_set_par(struct fb_info * info)747 static int matroxfb_set_par(struct fb_info *info)
748 {
749 int err;
750 int visual;
751 int cmap_len;
752 unsigned int ydstorg;
753 struct fb_var_screeninfo *var;
754 struct matrox_fb_info *minfo = info2minfo(info);
755
756 DBG(__func__)
757
758 if (minfo->dead) {
759 return -ENXIO;
760 }
761
762 var = &info->var;
763 if ((err = matroxfb_decode_var(minfo, var, &visual, &cmap_len, &ydstorg)) != 0)
764 return err;
765 minfo->fbcon.screen_base = vaddr_va(minfo->video.vbase) + ydstorg;
766 matroxfb_update_fix(minfo);
767 minfo->fbcon.fix.visual = visual;
768 minfo->fbcon.fix.type = FB_TYPE_PACKED_PIXELS;
769 minfo->fbcon.fix.type_aux = 0;
770 minfo->fbcon.fix.line_length = (var->xres_virtual * var->bits_per_pixel) >> 3;
771 {
772 unsigned int pos;
773
774 minfo->curr.cmap_len = cmap_len;
775 ydstorg += minfo->devflags.ydstorg;
776 minfo->curr.ydstorg.bytes = ydstorg;
777 minfo->curr.ydstorg.chunks = ydstorg >> (isInterleave(minfo) ? 3 : 2);
778 if (var->bits_per_pixel == 4)
779 minfo->curr.ydstorg.pixels = ydstorg;
780 else
781 minfo->curr.ydstorg.pixels = (ydstorg * 8) / var->bits_per_pixel;
782 minfo->curr.final_bppShift = matroxfb_get_final_bppShift(minfo, var->bits_per_pixel);
783 { struct my_timming mt;
784 struct matrox_hw_state* hw;
785 int out;
786
787 matroxfb_var2my(var, &mt);
788 mt.crtc = MATROXFB_SRC_CRTC1;
789 /* CRTC1 delays */
790 switch (var->bits_per_pixel) {
791 case 0: mt.delay = 31 + 0; break;
792 case 16: mt.delay = 21 + 8; break;
793 case 24: mt.delay = 17 + 8; break;
794 case 32: mt.delay = 16 + 8; break;
795 default: mt.delay = 31 + 8; break;
796 }
797
798 hw = &minfo->hw;
799
800 down_read(&minfo->altout.lock);
801 for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
802 if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 &&
803 minfo->outputs[out].output->compute) {
804 minfo->outputs[out].output->compute(minfo->outputs[out].data, &mt);
805 }
806 }
807 up_read(&minfo->altout.lock);
808 minfo->crtc1.pixclock = mt.pixclock;
809 minfo->crtc1.mnp = mt.mnp;
810 minfo->hw_switch->init(minfo, &mt);
811 pos = (var->yoffset * var->xres_virtual + var->xoffset) * minfo->curr.final_bppShift / 32;
812 pos += minfo->curr.ydstorg.chunks;
813
814 hw->CRTC[0x0D] = pos & 0xFF;
815 hw->CRTC[0x0C] = (pos & 0xFF00) >> 8;
816 hw->CRTCEXT[0] = (hw->CRTCEXT[0] & 0xF0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
817 hw->CRTCEXT[8] = pos >> 21;
818 minfo->hw_switch->restore(minfo);
819 update_crtc2(minfo, pos);
820 down_read(&minfo->altout.lock);
821 for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
822 if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 &&
823 minfo->outputs[out].output->program) {
824 minfo->outputs[out].output->program(minfo->outputs[out].data);
825 }
826 }
827 for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
828 if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 &&
829 minfo->outputs[out].output->start) {
830 minfo->outputs[out].output->start(minfo->outputs[out].data);
831 }
832 }
833 up_read(&minfo->altout.lock);
834 matrox_cfbX_init(minfo);
835 }
836 }
837 minfo->initialized = 1;
838 return 0;
839 }
840
matroxfb_get_vblank(struct matrox_fb_info * minfo,struct fb_vblank * vblank)841 static int matroxfb_get_vblank(struct matrox_fb_info *minfo,
842 struct fb_vblank *vblank)
843 {
844 unsigned int sts1;
845
846 matroxfb_enable_irq(minfo, 0);
847 memset(vblank, 0, sizeof(*vblank));
848 vblank->flags = FB_VBLANK_HAVE_VCOUNT | FB_VBLANK_HAVE_VSYNC |
849 FB_VBLANK_HAVE_VBLANK | FB_VBLANK_HAVE_HBLANK;
850 sts1 = mga_inb(M_INSTS1);
851 vblank->vcount = mga_inl(M_VCOUNT);
852 /* BTW, on my PIII/450 with G400, reading M_INSTS1
853 byte makes this call about 12% slower (1.70 vs. 2.05 us
854 per ioctl()) */
855 if (sts1 & 1)
856 vblank->flags |= FB_VBLANK_HBLANKING;
857 if (sts1 & 8)
858 vblank->flags |= FB_VBLANK_VSYNCING;
859 if (vblank->vcount >= minfo->fbcon.var.yres)
860 vblank->flags |= FB_VBLANK_VBLANKING;
861 if (test_bit(0, &minfo->irq_flags)) {
862 vblank->flags |= FB_VBLANK_HAVE_COUNT;
863 /* Only one writer, aligned int value...
864 it should work without lock and without atomic_t */
865 vblank->count = minfo->crtc1.vsync.cnt;
866 }
867 return 0;
868 }
869
870 static struct matrox_altout panellink_output = {
871 .name = "Panellink output",
872 };
873
matroxfb_ioctl(struct fb_info * info,unsigned int cmd,unsigned long arg)874 static int matroxfb_ioctl(struct fb_info *info,
875 unsigned int cmd, unsigned long arg)
876 {
877 void __user *argp = (void __user *)arg;
878 struct matrox_fb_info *minfo = info2minfo(info);
879
880 DBG(__func__)
881
882 if (minfo->dead) {
883 return -ENXIO;
884 }
885
886 switch (cmd) {
887 case FBIOGET_VBLANK:
888 {
889 struct fb_vblank vblank;
890 int err;
891
892 err = matroxfb_get_vblank(minfo, &vblank);
893 if (err)
894 return err;
895 if (copy_to_user(argp, &vblank, sizeof(vblank)))
896 return -EFAULT;
897 return 0;
898 }
899 case FBIO_WAITFORVSYNC:
900 {
901 u_int32_t crt;
902
903 if (get_user(crt, (u_int32_t __user *)arg))
904 return -EFAULT;
905
906 return matroxfb_wait_for_sync(minfo, crt);
907 }
908 case MATROXFB_SET_OUTPUT_MODE:
909 {
910 struct matroxioc_output_mode mom;
911 struct matrox_altout *oproc;
912 int val;
913
914 if (copy_from_user(&mom, argp, sizeof(mom)))
915 return -EFAULT;
916 if (mom.output >= MATROXFB_MAX_OUTPUTS)
917 return -ENXIO;
918 down_read(&minfo->altout.lock);
919 oproc = minfo->outputs[mom.output].output;
920 if (!oproc) {
921 val = -ENXIO;
922 } else if (!oproc->verifymode) {
923 if (mom.mode == MATROXFB_OUTPUT_MODE_MONITOR) {
924 val = 0;
925 } else {
926 val = -EINVAL;
927 }
928 } else {
929 val = oproc->verifymode(minfo->outputs[mom.output].data, mom.mode);
930 }
931 if (!val) {
932 if (minfo->outputs[mom.output].mode != mom.mode) {
933 minfo->outputs[mom.output].mode = mom.mode;
934 val = 1;
935 }
936 }
937 up_read(&minfo->altout.lock);
938 if (val != 1)
939 return val;
940 switch (minfo->outputs[mom.output].src) {
941 case MATROXFB_SRC_CRTC1:
942 matroxfb_set_par(info);
943 break;
944 case MATROXFB_SRC_CRTC2:
945 {
946 struct matroxfb_dh_fb_info* crtc2;
947
948 down_read(&minfo->crtc2.lock);
949 crtc2 = minfo->crtc2.info;
950 if (crtc2)
951 crtc2->fbcon.fbops->fb_set_par(&crtc2->fbcon);
952 up_read(&minfo->crtc2.lock);
953 }
954 break;
955 }
956 return 0;
957 }
958 case MATROXFB_GET_OUTPUT_MODE:
959 {
960 struct matroxioc_output_mode mom;
961 struct matrox_altout *oproc;
962 int val;
963
964 if (copy_from_user(&mom, argp, sizeof(mom)))
965 return -EFAULT;
966 if (mom.output >= MATROXFB_MAX_OUTPUTS)
967 return -ENXIO;
968 down_read(&minfo->altout.lock);
969 oproc = minfo->outputs[mom.output].output;
970 if (!oproc) {
971 val = -ENXIO;
972 } else {
973 mom.mode = minfo->outputs[mom.output].mode;
974 val = 0;
975 }
976 up_read(&minfo->altout.lock);
977 if (val)
978 return val;
979 if (copy_to_user(argp, &mom, sizeof(mom)))
980 return -EFAULT;
981 return 0;
982 }
983 case MATROXFB_SET_OUTPUT_CONNECTION:
984 {
985 u_int32_t tmp;
986 int i;
987 int changes;
988
989 if (copy_from_user(&tmp, argp, sizeof(tmp)))
990 return -EFAULT;
991 for (i = 0; i < 32; i++) {
992 if (tmp & (1 << i)) {
993 if (i >= MATROXFB_MAX_OUTPUTS)
994 return -ENXIO;
995 if (!minfo->outputs[i].output)
996 return -ENXIO;
997 switch (minfo->outputs[i].src) {
998 case MATROXFB_SRC_NONE:
999 case MATROXFB_SRC_CRTC1:
1000 break;
1001 default:
1002 return -EBUSY;
1003 }
1004 }
1005 }
1006 if (minfo->devflags.panellink) {
1007 if (tmp & MATROXFB_OUTPUT_CONN_DFP) {
1008 if (tmp & MATROXFB_OUTPUT_CONN_SECONDARY)
1009 return -EINVAL;
1010 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1011 if (minfo->outputs[i].src == MATROXFB_SRC_CRTC2) {
1012 return -EBUSY;
1013 }
1014 }
1015 }
1016 }
1017 changes = 0;
1018 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1019 if (tmp & (1 << i)) {
1020 if (minfo->outputs[i].src != MATROXFB_SRC_CRTC1) {
1021 changes = 1;
1022 minfo->outputs[i].src = MATROXFB_SRC_CRTC1;
1023 }
1024 } else if (minfo->outputs[i].src == MATROXFB_SRC_CRTC1) {
1025 changes = 1;
1026 minfo->outputs[i].src = MATROXFB_SRC_NONE;
1027 }
1028 }
1029 if (!changes)
1030 return 0;
1031 matroxfb_set_par(info);
1032 return 0;
1033 }
1034 case MATROXFB_GET_OUTPUT_CONNECTION:
1035 {
1036 u_int32_t conn = 0;
1037 int i;
1038
1039 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1040 if (minfo->outputs[i].src == MATROXFB_SRC_CRTC1) {
1041 conn |= 1 << i;
1042 }
1043 }
1044 if (put_user(conn, (u_int32_t __user *)arg))
1045 return -EFAULT;
1046 return 0;
1047 }
1048 case MATROXFB_GET_AVAILABLE_OUTPUTS:
1049 {
1050 u_int32_t conn = 0;
1051 int i;
1052
1053 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1054 if (minfo->outputs[i].output) {
1055 switch (minfo->outputs[i].src) {
1056 case MATROXFB_SRC_NONE:
1057 case MATROXFB_SRC_CRTC1:
1058 conn |= 1 << i;
1059 break;
1060 }
1061 }
1062 }
1063 if (minfo->devflags.panellink) {
1064 if (conn & MATROXFB_OUTPUT_CONN_DFP)
1065 conn &= ~MATROXFB_OUTPUT_CONN_SECONDARY;
1066 if (conn & MATROXFB_OUTPUT_CONN_SECONDARY)
1067 conn &= ~MATROXFB_OUTPUT_CONN_DFP;
1068 }
1069 if (put_user(conn, (u_int32_t __user *)arg))
1070 return -EFAULT;
1071 return 0;
1072 }
1073 case MATROXFB_GET_ALL_OUTPUTS:
1074 {
1075 u_int32_t conn = 0;
1076 int i;
1077
1078 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1079 if (minfo->outputs[i].output) {
1080 conn |= 1 << i;
1081 }
1082 }
1083 if (put_user(conn, (u_int32_t __user *)arg))
1084 return -EFAULT;
1085 return 0;
1086 }
1087 case VIDIOC_QUERYCAP:
1088 {
1089 struct v4l2_capability r;
1090
1091 memset(&r, 0, sizeof(r));
1092 strcpy(r.driver, "matroxfb");
1093 strcpy(r.card, "Matrox");
1094 sprintf(r.bus_info, "PCI:%s", pci_name(minfo->pcidev));
1095 r.version = KERNEL_VERSION(1,0,0);
1096 r.capabilities = V4L2_CAP_VIDEO_OUTPUT;
1097 if (copy_to_user(argp, &r, sizeof(r)))
1098 return -EFAULT;
1099 return 0;
1100
1101 }
1102 case VIDIOC_QUERYCTRL:
1103 {
1104 struct v4l2_queryctrl qctrl;
1105 int err;
1106
1107 if (copy_from_user(&qctrl, argp, sizeof(qctrl)))
1108 return -EFAULT;
1109
1110 down_read(&minfo->altout.lock);
1111 if (!minfo->outputs[1].output) {
1112 err = -ENXIO;
1113 } else if (minfo->outputs[1].output->getqueryctrl) {
1114 err = minfo->outputs[1].output->getqueryctrl(minfo->outputs[1].data, &qctrl);
1115 } else {
1116 err = -EINVAL;
1117 }
1118 up_read(&minfo->altout.lock);
1119 if (err >= 0 &&
1120 copy_to_user(argp, &qctrl, sizeof(qctrl)))
1121 return -EFAULT;
1122 return err;
1123 }
1124 case VIDIOC_G_CTRL:
1125 {
1126 struct v4l2_control ctrl;
1127 int err;
1128
1129 if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
1130 return -EFAULT;
1131
1132 down_read(&minfo->altout.lock);
1133 if (!minfo->outputs[1].output) {
1134 err = -ENXIO;
1135 } else if (minfo->outputs[1].output->getctrl) {
1136 err = minfo->outputs[1].output->getctrl(minfo->outputs[1].data, &ctrl);
1137 } else {
1138 err = -EINVAL;
1139 }
1140 up_read(&minfo->altout.lock);
1141 if (err >= 0 &&
1142 copy_to_user(argp, &ctrl, sizeof(ctrl)))
1143 return -EFAULT;
1144 return err;
1145 }
1146 case VIDIOC_S_CTRL:
1147 {
1148 struct v4l2_control ctrl;
1149 int err;
1150
1151 if (copy_from_user(&ctrl, argp, sizeof(ctrl)))
1152 return -EFAULT;
1153
1154 down_read(&minfo->altout.lock);
1155 if (!minfo->outputs[1].output) {
1156 err = -ENXIO;
1157 } else if (minfo->outputs[1].output->setctrl) {
1158 err = minfo->outputs[1].output->setctrl(minfo->outputs[1].data, &ctrl);
1159 } else {
1160 err = -EINVAL;
1161 }
1162 up_read(&minfo->altout.lock);
1163 return err;
1164 }
1165 }
1166 return -ENOTTY;
1167 }
1168
1169 /* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */
1170
matroxfb_blank(int blank,struct fb_info * info)1171 static int matroxfb_blank(int blank, struct fb_info *info)
1172 {
1173 int seq;
1174 int crtc;
1175 CRITFLAGS
1176 struct matrox_fb_info *minfo = info2minfo(info);
1177
1178 DBG(__func__)
1179
1180 if (minfo->dead)
1181 return 1;
1182
1183 switch (blank) {
1184 case FB_BLANK_NORMAL: seq = 0x20; crtc = 0x00; break; /* works ??? */
1185 case FB_BLANK_VSYNC_SUSPEND: seq = 0x20; crtc = 0x10; break;
1186 case FB_BLANK_HSYNC_SUSPEND: seq = 0x20; crtc = 0x20; break;
1187 case FB_BLANK_POWERDOWN: seq = 0x20; crtc = 0x30; break;
1188 default: seq = 0x00; crtc = 0x00; break;
1189 }
1190
1191 CRITBEGIN
1192
1193 mga_outb(M_SEQ_INDEX, 1);
1194 mga_outb(M_SEQ_DATA, (mga_inb(M_SEQ_DATA) & ~0x20) | seq);
1195 mga_outb(M_EXTVGA_INDEX, 1);
1196 mga_outb(M_EXTVGA_DATA, (mga_inb(M_EXTVGA_DATA) & ~0x30) | crtc);
1197
1198 CRITEND
1199 return 0;
1200 }
1201
1202 static const struct fb_ops matroxfb_ops = {
1203 .owner = THIS_MODULE,
1204 .fb_open = matroxfb_open,
1205 .fb_release = matroxfb_release,
1206 .fb_check_var = matroxfb_check_var,
1207 .fb_set_par = matroxfb_set_par,
1208 .fb_setcolreg = matroxfb_setcolreg,
1209 .fb_pan_display =matroxfb_pan_display,
1210 .fb_blank = matroxfb_blank,
1211 .fb_ioctl = matroxfb_ioctl,
1212 /* .fb_fillrect = <set by matrox_cfbX_init>, */
1213 /* .fb_copyarea = <set by matrox_cfbX_init>, */
1214 /* .fb_imageblit = <set by matrox_cfbX_init>, */
1215 /* .fb_cursor = <set by matrox_cfbX_init>, */
1216 };
1217
1218 #define RSDepth(X) (((X) >> 8) & 0x0F)
1219 #define RS8bpp 0x1
1220 #define RS15bpp 0x2
1221 #define RS16bpp 0x3
1222 #define RS32bpp 0x4
1223 #define RS4bpp 0x5
1224 #define RS24bpp 0x6
1225 #define RSText 0x7
1226 #define RSText8 0x8
1227 /* 9-F */
1228 static struct { struct fb_bitfield red, green, blue, transp; int bits_per_pixel; } colors[] = {
1229 { { 0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, { 0, 0, 0}, 8 },
1230 { { 10, 5, 0}, { 5, 5, 0}, { 0, 5, 0}, { 15, 1, 0}, 16 },
1231 { { 11, 5, 0}, { 5, 6, 0}, { 0, 5, 0}, { 0, 0, 0}, 16 },
1232 { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, { 24, 8, 0}, 32 },
1233 { { 0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, { 0, 0, 0}, 4 },
1234 { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, { 0, 0, 0}, 24 },
1235 { { 0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, { 0, 0, 0}, 0 }, /* textmode with (default) VGA8x16 */
1236 { { 0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, { 0, 0, 0}, 0 }, /* textmode hardwired to VGA8x8 */
1237 };
1238
1239 /* initialized by setup, see explanation at end of file (search for MODULE_PARM_DESC) */
1240 static unsigned int mem; /* "matroxfb:mem:xxxxxM" */
1241 static int option_precise_width = 1; /* cannot be changed, option_precise_width==0 must imply noaccel */
1242 static int inv24; /* "matroxfb:inv24" */
1243 static int cross4MB = -1; /* "matroxfb:cross4MB" */
1244 static int disabled; /* "matroxfb:disabled" */
1245 static int noaccel; /* "matroxfb:noaccel" */
1246 static int nopan; /* "matroxfb:nopan" */
1247 static int no_pci_retry; /* "matroxfb:nopciretry" */
1248 static int novga; /* "matroxfb:novga" */
1249 static int nobios; /* "matroxfb:nobios" */
1250 static int noinit = 1; /* "matroxfb:init" */
1251 static int inverse; /* "matroxfb:inverse" */
1252 static int sgram; /* "matroxfb:sgram" */
1253 static int mtrr = 1; /* "matroxfb:nomtrr" */
1254 static int grayscale; /* "matroxfb:grayscale" */
1255 static int dev = -1; /* "matroxfb:dev:xxxxx" */
1256 static unsigned int vesa = ~0; /* "matroxfb:vesa:xxxxx" */
1257 static int depth = -1; /* "matroxfb:depth:xxxxx" */
1258 static unsigned int xres; /* "matroxfb:xres:xxxxx" */
1259 static unsigned int yres; /* "matroxfb:yres:xxxxx" */
1260 static unsigned int upper = ~0; /* "matroxfb:upper:xxxxx" */
1261 static unsigned int lower = ~0; /* "matroxfb:lower:xxxxx" */
1262 static unsigned int vslen; /* "matroxfb:vslen:xxxxx" */
1263 static unsigned int left = ~0; /* "matroxfb:left:xxxxx" */
1264 static unsigned int right = ~0; /* "matroxfb:right:xxxxx" */
1265 static unsigned int hslen; /* "matroxfb:hslen:xxxxx" */
1266 static unsigned int pixclock; /* "matroxfb:pixclock:xxxxx" */
1267 static int sync = -1; /* "matroxfb:sync:xxxxx" */
1268 static unsigned int fv; /* "matroxfb:fv:xxxxx" */
1269 static unsigned int fh; /* "matroxfb:fh:xxxxxk" */
1270 static unsigned int maxclk; /* "matroxfb:maxclk:xxxxM" */
1271 static int dfp; /* "matroxfb:dfp */
1272 static int dfp_type = -1; /* "matroxfb:dfp:xxx */
1273 static int memtype = -1; /* "matroxfb:memtype:xxx" */
1274 static char outputs[8]; /* "matroxfb:outputs:xxx" */
1275
1276 #ifndef MODULE
1277 static char videomode[64]; /* "matroxfb:mode:xxxxx" or "matroxfb:xxxxx" */
1278 #endif
1279
matroxfb_getmemory(struct matrox_fb_info * minfo,unsigned int maxSize,unsigned int * realSize)1280 static int matroxfb_getmemory(struct matrox_fb_info *minfo,
1281 unsigned int maxSize, unsigned int *realSize)
1282 {
1283 vaddr_t vm;
1284 unsigned int offs;
1285 unsigned int offs2;
1286 unsigned char orig;
1287 unsigned char bytes[32];
1288 unsigned char* tmp;
1289
1290 DBG(__func__)
1291
1292 vm = minfo->video.vbase;
1293 maxSize &= ~0x1FFFFF; /* must be X*2MB (really it must be 2 or X*4MB) */
1294 /* at least 2MB */
1295 if (maxSize < 0x0200000) return 0;
1296 if (maxSize > 0x2000000) maxSize = 0x2000000;
1297
1298 mga_outb(M_EXTVGA_INDEX, 0x03);
1299 orig = mga_inb(M_EXTVGA_DATA);
1300 mga_outb(M_EXTVGA_DATA, orig | 0x80);
1301
1302 tmp = bytes;
1303 for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1304 *tmp++ = mga_readb(vm, offs);
1305 for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1306 mga_writeb(vm, offs, 0x02);
1307 mga_outb(M_CACHEFLUSH, 0x00);
1308 for (offs = 0x100000; offs < maxSize; offs += 0x200000) {
1309 if (mga_readb(vm, offs) != 0x02)
1310 break;
1311 mga_writeb(vm, offs, mga_readb(vm, offs) - 0x02);
1312 if (mga_readb(vm, offs))
1313 break;
1314 }
1315 tmp = bytes;
1316 for (offs2 = 0x100000; offs2 < maxSize; offs2 += 0x200000)
1317 mga_writeb(vm, offs2, *tmp++);
1318
1319 mga_outb(M_EXTVGA_INDEX, 0x03);
1320 mga_outb(M_EXTVGA_DATA, orig);
1321
1322 *realSize = offs - 0x100000;
1323 #ifdef CONFIG_FB_MATROX_MILLENIUM
1324 minfo->interleave = !(!isMillenium(minfo) || ((offs - 0x100000) & 0x3FFFFF));
1325 #endif
1326 return 1;
1327 }
1328
1329 struct video_board {
1330 int maxvram;
1331 int maxdisplayable;
1332 int accelID;
1333 struct matrox_switch* lowlevel;
1334 };
1335 #ifdef CONFIG_FB_MATROX_MILLENIUM
1336 static struct video_board vbMillennium = {
1337 .maxvram = 0x0800000,
1338 .maxdisplayable = 0x0800000,
1339 .accelID = FB_ACCEL_MATROX_MGA2064W,
1340 .lowlevel = &matrox_millennium
1341 };
1342
1343 static struct video_board vbMillennium2 = {
1344 .maxvram = 0x1000000,
1345 .maxdisplayable = 0x0800000,
1346 .accelID = FB_ACCEL_MATROX_MGA2164W,
1347 .lowlevel = &matrox_millennium
1348 };
1349
1350 static struct video_board vbMillennium2A = {
1351 .maxvram = 0x1000000,
1352 .maxdisplayable = 0x0800000,
1353 .accelID = FB_ACCEL_MATROX_MGA2164W_AGP,
1354 .lowlevel = &matrox_millennium
1355 };
1356 #endif /* CONFIG_FB_MATROX_MILLENIUM */
1357 #ifdef CONFIG_FB_MATROX_MYSTIQUE
1358 static struct video_board vbMystique = {
1359 .maxvram = 0x0800000,
1360 .maxdisplayable = 0x0800000,
1361 .accelID = FB_ACCEL_MATROX_MGA1064SG,
1362 .lowlevel = &matrox_mystique
1363 };
1364 #endif /* CONFIG_FB_MATROX_MYSTIQUE */
1365 #ifdef CONFIG_FB_MATROX_G
1366 static struct video_board vbG100 = {
1367 .maxvram = 0x0800000,
1368 .maxdisplayable = 0x0800000,
1369 .accelID = FB_ACCEL_MATROX_MGAG100,
1370 .lowlevel = &matrox_G100
1371 };
1372
1373 static struct video_board vbG200 = {
1374 .maxvram = 0x1000000,
1375 .maxdisplayable = 0x1000000,
1376 .accelID = FB_ACCEL_MATROX_MGAG200,
1377 .lowlevel = &matrox_G100
1378 };
1379 static struct video_board vbG200eW = {
1380 .maxvram = 0x800000,
1381 .maxdisplayable = 0x800000,
1382 .accelID = FB_ACCEL_MATROX_MGAG200,
1383 .lowlevel = &matrox_G100
1384 };
1385 /* from doc it looks like that accelerator can draw only to low 16MB :-( Direct accesses & displaying are OK for
1386 whole 32MB */
1387 static struct video_board vbG400 = {
1388 .maxvram = 0x2000000,
1389 .maxdisplayable = 0x1000000,
1390 .accelID = FB_ACCEL_MATROX_MGAG400,
1391 .lowlevel = &matrox_G100
1392 };
1393 #endif
1394
1395 #define DEVF_VIDEO64BIT 0x0001
1396 #define DEVF_SWAPS 0x0002
1397 #define DEVF_SRCORG 0x0004
1398 #define DEVF_DUALHEAD 0x0008
1399 #define DEVF_CROSS4MB 0x0010
1400 #define DEVF_TEXT4B 0x0020
1401 /* #define DEVF_recycled 0x0040 */
1402 /* #define DEVF_recycled 0x0080 */
1403 #define DEVF_SUPPORT32MB 0x0100
1404 #define DEVF_ANY_VXRES 0x0200
1405 #define DEVF_TEXT16B 0x0400
1406 #define DEVF_CRTC2 0x0800
1407 #define DEVF_MAVEN_CAPABLE 0x1000
1408 #define DEVF_PANELLINK_CAPABLE 0x2000
1409 #define DEVF_G450DAC 0x4000
1410
1411 #define DEVF_GCORE (DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB)
1412 #define DEVF_G2CORE (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_MAVEN_CAPABLE | DEVF_PANELLINK_CAPABLE | DEVF_SRCORG | DEVF_DUALHEAD)
1413 #define DEVF_G100 (DEVF_GCORE) /* no doc, no vxres... */
1414 #define DEVF_G200 (DEVF_G2CORE)
1415 #define DEVF_G400 (DEVF_G2CORE | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2)
1416 /* if you'll find how to drive DFP... */
1417 #define DEVF_G450 (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2 | DEVF_G450DAC | DEVF_SRCORG | DEVF_DUALHEAD)
1418 #define DEVF_G550 (DEVF_G450)
1419
1420 static struct board {
1421 unsigned short vendor, device, rev, svid, sid;
1422 unsigned int flags;
1423 unsigned int maxclk;
1424 enum mga_chip chip;
1425 struct video_board* base;
1426 const char* name;
1427 } dev_list[] = {
1428 #ifdef CONFIG_FB_MATROX_MILLENIUM
1429 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL, 0xFF,
1430 0, 0,
1431 DEVF_TEXT4B,
1432 230000,
1433 MGA_2064,
1434 &vbMillennium,
1435 "Millennium (PCI)"},
1436 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL_2, 0xFF,
1437 0, 0,
1438 DEVF_SWAPS,
1439 220000,
1440 MGA_2164,
1441 &vbMillennium2,
1442 "Millennium II (PCI)"},
1443 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL_2_AGP, 0xFF,
1444 0, 0,
1445 DEVF_SWAPS,
1446 250000,
1447 MGA_2164,
1448 &vbMillennium2A,
1449 "Millennium II (AGP)"},
1450 #endif
1451 #ifdef CONFIG_FB_MATROX_MYSTIQUE
1452 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MYS, 0x02,
1453 0, 0,
1454 DEVF_VIDEO64BIT | DEVF_CROSS4MB,
1455 180000,
1456 MGA_1064,
1457 &vbMystique,
1458 "Mystique (PCI)"},
1459 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MYS, 0xFF,
1460 0, 0,
1461 DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
1462 220000,
1463 MGA_1164,
1464 &vbMystique,
1465 "Mystique 220 (PCI)"},
1466 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MYS_AGP, 0x02,
1467 0, 0,
1468 DEVF_VIDEO64BIT | DEVF_CROSS4MB,
1469 180000,
1470 MGA_1064,
1471 &vbMystique,
1472 "Mystique (AGP)"},
1473 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MYS_AGP, 0xFF,
1474 0, 0,
1475 DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
1476 220000,
1477 MGA_1164,
1478 &vbMystique,
1479 "Mystique 220 (AGP)"},
1480 #endif
1481 #ifdef CONFIG_FB_MATROX_G
1482 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G100_MM, 0xFF,
1483 0, 0,
1484 DEVF_G100,
1485 230000,
1486 MGA_G100,
1487 &vbG100,
1488 "MGA-G100 (PCI)"},
1489 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G100_AGP, 0xFF,
1490 0, 0,
1491 DEVF_G100,
1492 230000,
1493 MGA_G100,
1494 &vbG100,
1495 "MGA-G100 (AGP)"},
1496 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_PCI, 0xFF,
1497 0, 0,
1498 DEVF_G200,
1499 250000,
1500 MGA_G200,
1501 &vbG200,
1502 "MGA-G200 (PCI)"},
1503 {PCI_VENDOR_ID_MATROX, 0x0532, 0xFF,
1504 0, 0,
1505 DEVF_G200,
1506 250000,
1507 MGA_G200,
1508 &vbG200eW,
1509 "MGA-G200eW (PCI)"},
1510 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF,
1511 PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_GENERIC,
1512 DEVF_G200,
1513 220000,
1514 MGA_G200,
1515 &vbG200,
1516 "MGA-G200 (AGP)"},
1517 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF,
1518 PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_MYSTIQUE_G200_AGP,
1519 DEVF_G200,
1520 230000,
1521 MGA_G200,
1522 &vbG200,
1523 "Mystique G200 (AGP)"},
1524 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF,
1525 PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_MILLENIUM_G200_AGP,
1526 DEVF_G200,
1527 250000,
1528 MGA_G200,
1529 &vbG200,
1530 "Millennium G200 (AGP)"},
1531 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF,
1532 PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_MARVEL_G200_AGP,
1533 DEVF_G200,
1534 230000,
1535 MGA_G200,
1536 &vbG200,
1537 "Marvel G200 (AGP)"},
1538 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF,
1539 PCI_SS_VENDOR_ID_SIEMENS_NIXDORF, PCI_SS_ID_SIEMENS_MGA_G200_AGP,
1540 DEVF_G200,
1541 230000,
1542 MGA_G200,
1543 &vbG200,
1544 "MGA-G200 (AGP)"},
1545 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF,
1546 0, 0,
1547 DEVF_G200,
1548 230000,
1549 MGA_G200,
1550 &vbG200,
1551 "G200 (AGP)"},
1552 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G400, 0x80,
1553 PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_MILLENNIUM_G400_MAX_AGP,
1554 DEVF_G400,
1555 360000,
1556 MGA_G400,
1557 &vbG400,
1558 "Millennium G400 MAX (AGP)"},
1559 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G400, 0x80,
1560 0, 0,
1561 DEVF_G400,
1562 300000,
1563 MGA_G400,
1564 &vbG400,
1565 "G400 (AGP)"},
1566 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G400, 0xFF,
1567 0, 0,
1568 DEVF_G450,
1569 360000,
1570 MGA_G450,
1571 &vbG400,
1572 "G450"},
1573 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G550, 0xFF,
1574 0, 0,
1575 DEVF_G550,
1576 360000,
1577 MGA_G550,
1578 &vbG400,
1579 "G550"},
1580 #endif
1581 {0, 0, 0xFF,
1582 0, 0,
1583 0,
1584 0,
1585 0,
1586 NULL,
1587 NULL}};
1588
1589 #ifndef MODULE
1590 static const struct fb_videomode defaultmode = {
1591 /* 640x480 @ 60Hz, 31.5 kHz */
1592 NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2,
1593 0, FB_VMODE_NONINTERLACED
1594 };
1595
1596 static int hotplug = 0;
1597 #endif /* !MODULE */
1598
setDefaultOutputs(struct matrox_fb_info * minfo)1599 static void setDefaultOutputs(struct matrox_fb_info *minfo)
1600 {
1601 unsigned int i;
1602 const char* ptr;
1603
1604 minfo->outputs[0].default_src = MATROXFB_SRC_CRTC1;
1605 if (minfo->devflags.g450dac) {
1606 minfo->outputs[1].default_src = MATROXFB_SRC_CRTC1;
1607 minfo->outputs[2].default_src = MATROXFB_SRC_CRTC1;
1608 } else if (dfp) {
1609 minfo->outputs[2].default_src = MATROXFB_SRC_CRTC1;
1610 }
1611 ptr = outputs;
1612 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1613 char c = *ptr++;
1614
1615 if (c == 0) {
1616 break;
1617 }
1618 if (c == '0') {
1619 minfo->outputs[i].default_src = MATROXFB_SRC_NONE;
1620 } else if (c == '1') {
1621 minfo->outputs[i].default_src = MATROXFB_SRC_CRTC1;
1622 } else if (c == '2' && minfo->devflags.crtc2) {
1623 minfo->outputs[i].default_src = MATROXFB_SRC_CRTC2;
1624 } else {
1625 printk(KERN_ERR "matroxfb: Unknown outputs setting\n");
1626 break;
1627 }
1628 }
1629 /* Nullify this option for subsequent adapters */
1630 outputs[0] = 0;
1631 }
1632
initMatrox2(struct matrox_fb_info * minfo,struct board * b)1633 static int initMatrox2(struct matrox_fb_info *minfo, struct board *b)
1634 {
1635 unsigned long ctrlptr_phys = 0;
1636 unsigned long video_base_phys = 0;
1637 unsigned int memsize;
1638 int err;
1639
1640 static const struct pci_device_id intel_82437[] = {
1641 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82437) },
1642 { },
1643 };
1644
1645 DBG(__func__)
1646
1647 /* set default values... */
1648 vesafb_defined.accel_flags = FB_ACCELF_TEXT;
1649
1650 minfo->hw_switch = b->base->lowlevel;
1651 minfo->devflags.accelerator = b->base->accelID;
1652 minfo->max_pixel_clock = b->maxclk;
1653
1654 printk(KERN_INFO "matroxfb: Matrox %s detected\n", b->name);
1655 minfo->capable.plnwt = 1;
1656 minfo->chip = b->chip;
1657 minfo->capable.srcorg = b->flags & DEVF_SRCORG;
1658 minfo->devflags.video64bits = b->flags & DEVF_VIDEO64BIT;
1659 if (b->flags & DEVF_TEXT4B) {
1660 minfo->devflags.vgastep = 4;
1661 minfo->devflags.textmode = 4;
1662 minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP16;
1663 } else if (b->flags & DEVF_TEXT16B) {
1664 minfo->devflags.vgastep = 16;
1665 minfo->devflags.textmode = 1;
1666 minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP16;
1667 } else {
1668 minfo->devflags.vgastep = 8;
1669 minfo->devflags.textmode = 1;
1670 minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP8;
1671 }
1672 minfo->devflags.support32MB = (b->flags & DEVF_SUPPORT32MB) != 0;
1673 minfo->devflags.precise_width = !(b->flags & DEVF_ANY_VXRES);
1674 minfo->devflags.crtc2 = (b->flags & DEVF_CRTC2) != 0;
1675 minfo->devflags.maven_capable = (b->flags & DEVF_MAVEN_CAPABLE) != 0;
1676 minfo->devflags.dualhead = (b->flags & DEVF_DUALHEAD) != 0;
1677 minfo->devflags.dfp_type = dfp_type;
1678 minfo->devflags.g450dac = (b->flags & DEVF_G450DAC) != 0;
1679 minfo->devflags.textstep = minfo->devflags.vgastep * minfo->devflags.textmode;
1680 minfo->devflags.textvram = 65536 / minfo->devflags.textmode;
1681 setDefaultOutputs(minfo);
1682 if (b->flags & DEVF_PANELLINK_CAPABLE) {
1683 minfo->outputs[2].data = minfo;
1684 minfo->outputs[2].output = &panellink_output;
1685 minfo->outputs[2].src = minfo->outputs[2].default_src;
1686 minfo->outputs[2].mode = MATROXFB_OUTPUT_MODE_MONITOR;
1687 minfo->devflags.panellink = 1;
1688 }
1689
1690 if (minfo->capable.cross4MB < 0)
1691 minfo->capable.cross4MB = b->flags & DEVF_CROSS4MB;
1692 if (b->flags & DEVF_SWAPS) {
1693 ctrlptr_phys = pci_resource_start(minfo->pcidev, 1);
1694 video_base_phys = pci_resource_start(minfo->pcidev, 0);
1695 minfo->devflags.fbResource = PCI_BASE_ADDRESS_0;
1696 } else {
1697 ctrlptr_phys = pci_resource_start(minfo->pcidev, 0);
1698 video_base_phys = pci_resource_start(minfo->pcidev, 1);
1699 minfo->devflags.fbResource = PCI_BASE_ADDRESS_1;
1700 }
1701 err = -EINVAL;
1702 if (!ctrlptr_phys) {
1703 printk(KERN_ERR "matroxfb: control registers are not available, matroxfb disabled\n");
1704 goto fail;
1705 }
1706 if (!video_base_phys) {
1707 printk(KERN_ERR "matroxfb: video RAM is not available in PCI address space, matroxfb disabled\n");
1708 goto fail;
1709 }
1710 memsize = b->base->maxvram;
1711 if (!request_mem_region(ctrlptr_phys, 16384, "matroxfb MMIO")) {
1712 goto fail;
1713 }
1714 if (!request_mem_region(video_base_phys, memsize, "matroxfb FB")) {
1715 goto failCtrlMR;
1716 }
1717 minfo->video.len_maximum = memsize;
1718 /* convert mem (autodetect k, M) */
1719 if (mem < 1024) mem *= 1024;
1720 if (mem < 0x00100000) mem *= 1024;
1721
1722 if (mem && (mem < memsize))
1723 memsize = mem;
1724 err = -ENOMEM;
1725
1726 minfo->mmio.vbase.vaddr = ioremap(ctrlptr_phys, 16384);
1727 if (!minfo->mmio.vbase.vaddr) {
1728 printk(KERN_ERR "matroxfb: cannot ioremap(%lX, 16384), matroxfb disabled\n", ctrlptr_phys);
1729 goto failVideoMR;
1730 }
1731 minfo->mmio.base = ctrlptr_phys;
1732 minfo->mmio.len = 16384;
1733 minfo->video.base = video_base_phys;
1734 minfo->video.vbase.vaddr = ioremap_wc(video_base_phys, memsize);
1735 if (!minfo->video.vbase.vaddr) {
1736 printk(KERN_ERR "matroxfb: cannot ioremap(%lX, %d), matroxfb disabled\n",
1737 video_base_phys, memsize);
1738 goto failCtrlIO;
1739 }
1740 {
1741 u_int32_t cmd;
1742 u_int32_t mga_option;
1743
1744 pci_read_config_dword(minfo->pcidev, PCI_OPTION_REG, &mga_option);
1745 pci_read_config_dword(minfo->pcidev, PCI_COMMAND, &cmd);
1746 mga_option &= 0x7FFFFFFF; /* clear BIG_ENDIAN */
1747 mga_option |= MX_OPTION_BSWAP;
1748 /* disable palette snooping */
1749 cmd &= ~PCI_COMMAND_VGA_PALETTE;
1750 if (pci_dev_present(intel_82437)) {
1751 if (!(mga_option & 0x20000000) && !minfo->devflags.nopciretry) {
1752 printk(KERN_WARNING "matroxfb: Disabling PCI retries due to i82437 present\n");
1753 }
1754 mga_option |= 0x20000000;
1755 minfo->devflags.nopciretry = 1;
1756 }
1757 pci_write_config_dword(minfo->pcidev, PCI_COMMAND, cmd);
1758 pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, mga_option);
1759 minfo->hw.MXoptionReg = mga_option;
1760
1761 /* select non-DMA memory for PCI_MGA_DATA, otherwise dump of PCI cfg space can lock PCI bus */
1762 /* maybe preinit() candidate, but it is same... for all devices... at this time... */
1763 pci_write_config_dword(minfo->pcidev, PCI_MGA_INDEX, 0x00003C00);
1764 }
1765
1766 err = -ENXIO;
1767 matroxfb_read_pins(minfo);
1768 if (minfo->hw_switch->preinit(minfo)) {
1769 goto failVideoIO;
1770 }
1771
1772 err = -ENOMEM;
1773 if (!matroxfb_getmemory(minfo, memsize, &minfo->video.len) || !minfo->video.len) {
1774 printk(KERN_ERR "matroxfb: cannot determine memory size\n");
1775 goto failVideoIO;
1776 }
1777 minfo->devflags.ydstorg = 0;
1778
1779 minfo->video.base = video_base_phys;
1780 minfo->video.len_usable = minfo->video.len;
1781 if (minfo->video.len_usable > b->base->maxdisplayable)
1782 minfo->video.len_usable = b->base->maxdisplayable;
1783 if (mtrr)
1784 minfo->wc_cookie = arch_phys_wc_add(video_base_phys,
1785 minfo->video.len);
1786
1787 if (!minfo->devflags.novga)
1788 request_region(0x3C0, 32, "matrox");
1789 matroxfb_g450_connect(minfo);
1790 minfo->hw_switch->reset(minfo);
1791
1792 minfo->fbcon.monspecs.hfmin = 0;
1793 minfo->fbcon.monspecs.hfmax = fh;
1794 minfo->fbcon.monspecs.vfmin = 0;
1795 minfo->fbcon.monspecs.vfmax = fv;
1796 minfo->fbcon.monspecs.dpms = 0; /* TBD */
1797
1798 /* static settings */
1799 vesafb_defined.red = colors[depth-1].red;
1800 vesafb_defined.green = colors[depth-1].green;
1801 vesafb_defined.blue = colors[depth-1].blue;
1802 vesafb_defined.bits_per_pixel = colors[depth-1].bits_per_pixel;
1803 vesafb_defined.grayscale = grayscale;
1804 vesafb_defined.vmode = 0;
1805 if (noaccel)
1806 vesafb_defined.accel_flags &= ~FB_ACCELF_TEXT;
1807
1808 minfo->fbops = matroxfb_ops;
1809 minfo->fbcon.fbops = &minfo->fbops;
1810 minfo->fbcon.pseudo_palette = minfo->cmap;
1811 minfo->fbcon.flags = FBINFO_PARTIAL_PAN_OK | /* Prefer panning for scroll under MC viewer/edit */
1812 FBINFO_HWACCEL_COPYAREA | /* We have hw-assisted bmove */
1813 FBINFO_HWACCEL_FILLRECT | /* And fillrect */
1814 FBINFO_HWACCEL_IMAGEBLIT | /* And imageblit */
1815 FBINFO_HWACCEL_XPAN | /* And we support both horizontal */
1816 FBINFO_HWACCEL_YPAN | /* And vertical panning */
1817 FBINFO_READS_FAST;
1818 minfo->video.len_usable &= PAGE_MASK;
1819 fb_alloc_cmap(&minfo->fbcon.cmap, 256, 1);
1820
1821 #ifndef MODULE
1822 /* mode database is marked __init!!! */
1823 if (!hotplug) {
1824 fb_find_mode(&vesafb_defined, &minfo->fbcon, videomode[0] ? videomode : NULL,
1825 NULL, 0, &defaultmode, vesafb_defined.bits_per_pixel);
1826 }
1827 #endif /* !MODULE */
1828
1829 /* mode modifiers */
1830 if (hslen)
1831 vesafb_defined.hsync_len = hslen;
1832 if (vslen)
1833 vesafb_defined.vsync_len = vslen;
1834 if (left != ~0)
1835 vesafb_defined.left_margin = left;
1836 if (right != ~0)
1837 vesafb_defined.right_margin = right;
1838 if (upper != ~0)
1839 vesafb_defined.upper_margin = upper;
1840 if (lower != ~0)
1841 vesafb_defined.lower_margin = lower;
1842 if (xres)
1843 vesafb_defined.xres = xres;
1844 if (yres)
1845 vesafb_defined.yres = yres;
1846 if (sync != -1)
1847 vesafb_defined.sync = sync;
1848 else if (vesafb_defined.sync == ~0) {
1849 vesafb_defined.sync = 0;
1850 if (yres < 400)
1851 vesafb_defined.sync |= FB_SYNC_HOR_HIGH_ACT;
1852 else if (yres < 480)
1853 vesafb_defined.sync |= FB_SYNC_VERT_HIGH_ACT;
1854 }
1855
1856 /* fv, fh, maxclk limits was specified */
1857 {
1858 unsigned int tmp;
1859
1860 if (fv) {
1861 tmp = fv * (vesafb_defined.upper_margin + vesafb_defined.yres
1862 + vesafb_defined.lower_margin + vesafb_defined.vsync_len);
1863 if ((tmp < fh) || (fh == 0)) fh = tmp;
1864 }
1865 if (fh) {
1866 tmp = fh * (vesafb_defined.left_margin + vesafb_defined.xres
1867 + vesafb_defined.right_margin + vesafb_defined.hsync_len);
1868 if ((tmp < maxclk) || (maxclk == 0)) maxclk = tmp;
1869 }
1870 tmp = (maxclk + 499) / 500;
1871 if (tmp) {
1872 tmp = (2000000000 + tmp) / tmp;
1873 if (tmp > pixclock) pixclock = tmp;
1874 }
1875 }
1876 if (pixclock) {
1877 if (pixclock < 2000) /* > 500MHz */
1878 pixclock = 4000; /* 250MHz */
1879 if (pixclock > 1000000)
1880 pixclock = 1000000; /* 1MHz */
1881 vesafb_defined.pixclock = pixclock;
1882 }
1883
1884 /* FIXME: Where to move this?! */
1885 #if defined(CONFIG_PPC_PMAC)
1886 #ifndef MODULE
1887 if (machine_is(powermac)) {
1888 struct fb_var_screeninfo var;
1889
1890 if (default_vmode <= 0 || default_vmode > VMODE_MAX)
1891 default_vmode = VMODE_640_480_60;
1892 #if defined(CONFIG_PPC32)
1893 if (IS_REACHABLE(CONFIG_NVRAM) && default_cmode == CMODE_NVRAM)
1894 default_cmode = nvram_read_byte(NV_CMODE);
1895 #endif
1896 if (default_cmode < CMODE_8 || default_cmode > CMODE_32)
1897 default_cmode = CMODE_8;
1898 if (!mac_vmode_to_var(default_vmode, default_cmode, &var)) {
1899 var.accel_flags = vesafb_defined.accel_flags;
1900 var.xoffset = var.yoffset = 0;
1901 /* Note: mac_vmode_to_var() does not set all parameters */
1902 vesafb_defined = var;
1903 }
1904 }
1905 #endif /* !MODULE */
1906 #endif /* CONFIG_PPC_PMAC */
1907 vesafb_defined.xres_virtual = vesafb_defined.xres;
1908 if (nopan) {
1909 vesafb_defined.yres_virtual = vesafb_defined.yres;
1910 } else {
1911 vesafb_defined.yres_virtual = 65536; /* large enough to be INF, but small enough
1912 to yres_virtual * xres_virtual < 2^32 */
1913 }
1914 matroxfb_init_fix(minfo);
1915 minfo->fbcon.screen_base = vaddr_va(minfo->video.vbase);
1916 /* Normalize values (namely yres_virtual) */
1917 matroxfb_check_var(&vesafb_defined, &minfo->fbcon);
1918 /* And put it into "current" var. Do NOT program hardware yet, or we'll not take over
1919 * vgacon correctly. fbcon_startup will call fb_set_par for us, WITHOUT check_var,
1920 * and unfortunately it will do it BEFORE vgacon contents is saved, so it won't work
1921 * anyway. But we at least tried... */
1922 minfo->fbcon.var = vesafb_defined;
1923 err = -EINVAL;
1924
1925 printk(KERN_INFO "matroxfb: %dx%dx%dbpp (virtual: %dx%d)\n",
1926 vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel,
1927 vesafb_defined.xres_virtual, vesafb_defined.yres_virtual);
1928 printk(KERN_INFO "matroxfb: framebuffer at 0x%lX, mapped to 0x%p, size %d\n",
1929 minfo->video.base, vaddr_va(minfo->video.vbase), minfo->video.len);
1930
1931 /* We do not have to set currcon to 0... register_framebuffer do it for us on first console
1932 * and we do not want currcon == 0 for subsequent framebuffers */
1933
1934 minfo->fbcon.device = &minfo->pcidev->dev;
1935 if (register_framebuffer(&minfo->fbcon) < 0) {
1936 goto failVideoIO;
1937 }
1938 fb_info(&minfo->fbcon, "%s frame buffer device\n", minfo->fbcon.fix.id);
1939
1940 /* there is no console on this fb... but we have to initialize hardware
1941 * until someone tells me what is proper thing to do */
1942 if (!minfo->initialized) {
1943 fb_info(&minfo->fbcon, "initializing hardware\n");
1944 /* We have to use FB_ACTIVATE_FORCE, as we had to put vesafb_defined to the fbcon.var
1945 * already before, so register_framebuffer works correctly. */
1946 vesafb_defined.activate |= FB_ACTIVATE_FORCE;
1947 fb_set_var(&minfo->fbcon, &vesafb_defined);
1948 }
1949
1950 return 0;
1951 failVideoIO:;
1952 matroxfb_g450_shutdown(minfo);
1953 iounmap(minfo->video.vbase.vaddr);
1954 failCtrlIO:;
1955 iounmap(minfo->mmio.vbase.vaddr);
1956 failVideoMR:;
1957 release_mem_region(video_base_phys, minfo->video.len_maximum);
1958 failCtrlMR:;
1959 release_mem_region(ctrlptr_phys, 16384);
1960 fail:;
1961 return err;
1962 }
1963
1964 static LIST_HEAD(matroxfb_list);
1965 static LIST_HEAD(matroxfb_driver_list);
1966
1967 #define matroxfb_l(x) list_entry(x, struct matrox_fb_info, next_fb)
1968 #define matroxfb_driver_l(x) list_entry(x, struct matroxfb_driver, node)
matroxfb_register_driver(struct matroxfb_driver * drv)1969 int matroxfb_register_driver(struct matroxfb_driver* drv) {
1970 struct matrox_fb_info* minfo;
1971
1972 list_add(&drv->node, &matroxfb_driver_list);
1973 for (minfo = matroxfb_l(matroxfb_list.next);
1974 minfo != matroxfb_l(&matroxfb_list);
1975 minfo = matroxfb_l(minfo->next_fb.next)) {
1976 void* p;
1977
1978 if (minfo->drivers_count == MATROXFB_MAX_FB_DRIVERS)
1979 continue;
1980 p = drv->probe(minfo);
1981 if (p) {
1982 minfo->drivers_data[minfo->drivers_count] = p;
1983 minfo->drivers[minfo->drivers_count++] = drv;
1984 }
1985 }
1986 return 0;
1987 }
1988
matroxfb_unregister_driver(struct matroxfb_driver * drv)1989 void matroxfb_unregister_driver(struct matroxfb_driver* drv) {
1990 struct matrox_fb_info* minfo;
1991
1992 list_del(&drv->node);
1993 for (minfo = matroxfb_l(matroxfb_list.next);
1994 minfo != matroxfb_l(&matroxfb_list);
1995 minfo = matroxfb_l(minfo->next_fb.next)) {
1996 int i;
1997
1998 for (i = 0; i < minfo->drivers_count; ) {
1999 if (minfo->drivers[i] == drv) {
2000 if (drv && drv->remove)
2001 drv->remove(minfo, minfo->drivers_data[i]);
2002 minfo->drivers[i] = minfo->drivers[--minfo->drivers_count];
2003 minfo->drivers_data[i] = minfo->drivers_data[minfo->drivers_count];
2004 } else
2005 i++;
2006 }
2007 }
2008 }
2009
matroxfb_register_device(struct matrox_fb_info * minfo)2010 static void matroxfb_register_device(struct matrox_fb_info* minfo) {
2011 struct matroxfb_driver* drv;
2012 int i = 0;
2013 list_add(&minfo->next_fb, &matroxfb_list);
2014 for (drv = matroxfb_driver_l(matroxfb_driver_list.next);
2015 drv != matroxfb_driver_l(&matroxfb_driver_list);
2016 drv = matroxfb_driver_l(drv->node.next)) {
2017 if (drv->probe) {
2018 void *p = drv->probe(minfo);
2019 if (p) {
2020 minfo->drivers_data[i] = p;
2021 minfo->drivers[i++] = drv;
2022 if (i == MATROXFB_MAX_FB_DRIVERS)
2023 break;
2024 }
2025 }
2026 }
2027 minfo->drivers_count = i;
2028 }
2029
matroxfb_unregister_device(struct matrox_fb_info * minfo)2030 static void matroxfb_unregister_device(struct matrox_fb_info* minfo) {
2031 int i;
2032
2033 list_del(&minfo->next_fb);
2034 for (i = 0; i < minfo->drivers_count; i++) {
2035 struct matroxfb_driver* drv = minfo->drivers[i];
2036
2037 if (drv && drv->remove)
2038 drv->remove(minfo, minfo->drivers_data[i]);
2039 }
2040 }
2041
matroxfb_probe(struct pci_dev * pdev,const struct pci_device_id * dummy)2042 static int matroxfb_probe(struct pci_dev* pdev, const struct pci_device_id* dummy) {
2043 struct board* b;
2044 u_int16_t svid;
2045 u_int16_t sid;
2046 struct matrox_fb_info* minfo;
2047 int err;
2048 u_int32_t cmd;
2049 DBG(__func__)
2050
2051 svid = pdev->subsystem_vendor;
2052 sid = pdev->subsystem_device;
2053 for (b = dev_list; b->vendor; b++) {
2054 if ((b->vendor != pdev->vendor) || (b->device != pdev->device) || (b->rev < pdev->revision)) continue;
2055 if (b->svid)
2056 if ((b->svid != svid) || (b->sid != sid)) continue;
2057 break;
2058 }
2059 /* not match... */
2060 if (!b->vendor)
2061 return -ENODEV;
2062 if (dev > 0) {
2063 /* not requested one... */
2064 dev--;
2065 return -ENODEV;
2066 }
2067 pci_read_config_dword(pdev, PCI_COMMAND, &cmd);
2068 if (pci_enable_device(pdev)) {
2069 return -1;
2070 }
2071
2072 minfo = kzalloc(sizeof(*minfo), GFP_KERNEL);
2073 if (!minfo)
2074 return -ENOMEM;
2075
2076 minfo->pcidev = pdev;
2077 minfo->dead = 0;
2078 minfo->usecount = 0;
2079 minfo->userusecount = 0;
2080
2081 pci_set_drvdata(pdev, minfo);
2082 /* DEVFLAGS */
2083 minfo->devflags.memtype = memtype;
2084 if (memtype != -1)
2085 noinit = 0;
2086 if (cmd & PCI_COMMAND_MEMORY) {
2087 minfo->devflags.novga = novga;
2088 minfo->devflags.nobios = nobios;
2089 minfo->devflags.noinit = noinit;
2090 /* subsequent heads always needs initialization and must not enable BIOS */
2091 novga = 1;
2092 nobios = 1;
2093 noinit = 0;
2094 } else {
2095 minfo->devflags.novga = 1;
2096 minfo->devflags.nobios = 1;
2097 minfo->devflags.noinit = 0;
2098 }
2099
2100 minfo->devflags.nopciretry = no_pci_retry;
2101 minfo->devflags.mga_24bpp_fix = inv24;
2102 minfo->devflags.precise_width = option_precise_width;
2103 minfo->devflags.sgram = sgram;
2104 minfo->capable.cross4MB = cross4MB;
2105
2106 spin_lock_init(&minfo->lock.DAC);
2107 spin_lock_init(&minfo->lock.accel);
2108 init_rwsem(&minfo->crtc2.lock);
2109 init_rwsem(&minfo->altout.lock);
2110 mutex_init(&minfo->fbcon.mm_lock);
2111 minfo->irq_flags = 0;
2112 init_waitqueue_head(&minfo->crtc1.vsync.wait);
2113 init_waitqueue_head(&minfo->crtc2.vsync.wait);
2114 minfo->crtc1.panpos = -1;
2115
2116 err = initMatrox2(minfo, b);
2117 if (!err) {
2118 matroxfb_register_device(minfo);
2119 return 0;
2120 }
2121 kfree(minfo);
2122 return -1;
2123 }
2124
pci_remove_matrox(struct pci_dev * pdev)2125 static void pci_remove_matrox(struct pci_dev* pdev) {
2126 struct matrox_fb_info* minfo;
2127
2128 minfo = pci_get_drvdata(pdev);
2129 matroxfb_remove(minfo, 1);
2130 }
2131
2132 static const struct pci_device_id matroxfb_devices[] = {
2133 #ifdef CONFIG_FB_MATROX_MILLENIUM
2134 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL,
2135 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
2136 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL_2,
2137 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
2138 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL_2_AGP,
2139 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
2140 #endif
2141 #ifdef CONFIG_FB_MATROX_MYSTIQUE
2142 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MYS,
2143 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
2144 #endif
2145 #ifdef CONFIG_FB_MATROX_G
2146 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G100_MM,
2147 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
2148 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G100_AGP,
2149 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
2150 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_PCI,
2151 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
2152 {PCI_VENDOR_ID_MATROX, 0x0532,
2153 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
2154 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP,
2155 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
2156 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G400,
2157 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
2158 {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G550,
2159 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
2160 #endif
2161 {0, 0,
2162 0, 0, 0, 0, 0}
2163 };
2164
2165 MODULE_DEVICE_TABLE(pci, matroxfb_devices);
2166
2167
2168 static struct pci_driver matroxfb_driver = {
2169 .name = "matroxfb",
2170 .id_table = matroxfb_devices,
2171 .probe = matroxfb_probe,
2172 .remove = pci_remove_matrox,
2173 };
2174
2175 /* **************************** init-time only **************************** */
2176
2177 #define RSResolution(X) ((X) & 0x0F)
2178 #define RS640x400 1
2179 #define RS640x480 2
2180 #define RS800x600 3
2181 #define RS1024x768 4
2182 #define RS1280x1024 5
2183 #define RS1600x1200 6
2184 #define RS768x576 7
2185 #define RS960x720 8
2186 #define RS1152x864 9
2187 #define RS1408x1056 10
2188 #define RS640x350 11
2189 #define RS1056x344 12 /* 132 x 43 text */
2190 #define RS1056x400 13 /* 132 x 50 text */
2191 #define RS1056x480 14 /* 132 x 60 text */
2192 #define RSNoxNo 15
2193 /* 10-FF */
2194 static struct { int xres, yres, left, right, upper, lower, hslen, vslen, vfreq; } timmings[] __initdata = {
2195 { 640, 400, 48, 16, 39, 8, 96, 2, 70 },
2196 { 640, 480, 48, 16, 33, 10, 96, 2, 60 },
2197 { 800, 600, 144, 24, 28, 8, 112, 6, 60 },
2198 { 1024, 768, 160, 32, 30, 4, 128, 4, 60 },
2199 { 1280, 1024, 224, 32, 32, 4, 136, 4, 60 },
2200 { 1600, 1200, 272, 48, 32, 5, 152, 5, 60 },
2201 { 768, 576, 144, 16, 28, 6, 112, 4, 60 },
2202 { 960, 720, 144, 24, 28, 8, 112, 4, 60 },
2203 { 1152, 864, 192, 32, 30, 4, 128, 4, 60 },
2204 { 1408, 1056, 256, 40, 32, 5, 144, 5, 60 },
2205 { 640, 350, 48, 16, 39, 8, 96, 2, 70 },
2206 { 1056, 344, 96, 24, 59, 44, 160, 2, 70 },
2207 { 1056, 400, 96, 24, 39, 8, 160, 2, 70 },
2208 { 1056, 480, 96, 24, 36, 12, 160, 3, 60 },
2209 { 0, 0, ~0, ~0, ~0, ~0, 0, 0, 0 }
2210 };
2211
2212 #define RSCreate(X,Y) ((X) | ((Y) << 8))
2213 static struct { unsigned int vesa; unsigned int info; } *RSptr, vesamap[] __initdata = {
2214 /* default must be first */
2215 { ~0, RSCreate(RSNoxNo, RS8bpp ) },
2216 { 0x101, RSCreate(RS640x480, RS8bpp ) },
2217 { 0x100, RSCreate(RS640x400, RS8bpp ) },
2218 { 0x180, RSCreate(RS768x576, RS8bpp ) },
2219 { 0x103, RSCreate(RS800x600, RS8bpp ) },
2220 { 0x188, RSCreate(RS960x720, RS8bpp ) },
2221 { 0x105, RSCreate(RS1024x768, RS8bpp ) },
2222 { 0x190, RSCreate(RS1152x864, RS8bpp ) },
2223 { 0x107, RSCreate(RS1280x1024, RS8bpp ) },
2224 { 0x198, RSCreate(RS1408x1056, RS8bpp ) },
2225 { 0x11C, RSCreate(RS1600x1200, RS8bpp ) },
2226 { 0x110, RSCreate(RS640x480, RS15bpp) },
2227 { 0x181, RSCreate(RS768x576, RS15bpp) },
2228 { 0x113, RSCreate(RS800x600, RS15bpp) },
2229 { 0x189, RSCreate(RS960x720, RS15bpp) },
2230 { 0x116, RSCreate(RS1024x768, RS15bpp) },
2231 { 0x191, RSCreate(RS1152x864, RS15bpp) },
2232 { 0x119, RSCreate(RS1280x1024, RS15bpp) },
2233 { 0x199, RSCreate(RS1408x1056, RS15bpp) },
2234 { 0x11D, RSCreate(RS1600x1200, RS15bpp) },
2235 { 0x111, RSCreate(RS640x480, RS16bpp) },
2236 { 0x182, RSCreate(RS768x576, RS16bpp) },
2237 { 0x114, RSCreate(RS800x600, RS16bpp) },
2238 { 0x18A, RSCreate(RS960x720, RS16bpp) },
2239 { 0x117, RSCreate(RS1024x768, RS16bpp) },
2240 { 0x192, RSCreate(RS1152x864, RS16bpp) },
2241 { 0x11A, RSCreate(RS1280x1024, RS16bpp) },
2242 { 0x19A, RSCreate(RS1408x1056, RS16bpp) },
2243 { 0x11E, RSCreate(RS1600x1200, RS16bpp) },
2244 { 0x1B2, RSCreate(RS640x480, RS24bpp) },
2245 { 0x184, RSCreate(RS768x576, RS24bpp) },
2246 { 0x1B5, RSCreate(RS800x600, RS24bpp) },
2247 { 0x18C, RSCreate(RS960x720, RS24bpp) },
2248 { 0x1B8, RSCreate(RS1024x768, RS24bpp) },
2249 { 0x194, RSCreate(RS1152x864, RS24bpp) },
2250 { 0x1BB, RSCreate(RS1280x1024, RS24bpp) },
2251 { 0x19C, RSCreate(RS1408x1056, RS24bpp) },
2252 { 0x1BF, RSCreate(RS1600x1200, RS24bpp) },
2253 { 0x112, RSCreate(RS640x480, RS32bpp) },
2254 { 0x183, RSCreate(RS768x576, RS32bpp) },
2255 { 0x115, RSCreate(RS800x600, RS32bpp) },
2256 { 0x18B, RSCreate(RS960x720, RS32bpp) },
2257 { 0x118, RSCreate(RS1024x768, RS32bpp) },
2258 { 0x193, RSCreate(RS1152x864, RS32bpp) },
2259 { 0x11B, RSCreate(RS1280x1024, RS32bpp) },
2260 { 0x19B, RSCreate(RS1408x1056, RS32bpp) },
2261 { 0x11F, RSCreate(RS1600x1200, RS32bpp) },
2262 { 0x010, RSCreate(RS640x350, RS4bpp ) },
2263 { 0x012, RSCreate(RS640x480, RS4bpp ) },
2264 { 0x102, RSCreate(RS800x600, RS4bpp ) },
2265 { 0x104, RSCreate(RS1024x768, RS4bpp ) },
2266 { 0x106, RSCreate(RS1280x1024, RS4bpp ) },
2267 { 0, 0 }};
2268
matroxfb_init_params(void)2269 static void __init matroxfb_init_params(void) {
2270 /* fh from kHz to Hz */
2271 if (fh < 1000)
2272 fh *= 1000; /* 1kHz minimum */
2273 /* maxclk */
2274 if (maxclk < 1000) maxclk *= 1000; /* kHz -> Hz, MHz -> kHz */
2275 if (maxclk < 1000000) maxclk *= 1000; /* kHz -> Hz, 1MHz minimum */
2276 /* fix VESA number */
2277 if (vesa != ~0)
2278 vesa &= 0x1DFF; /* mask out clearscreen, acceleration and so on */
2279
2280 /* static settings */
2281 for (RSptr = vesamap; RSptr->vesa; RSptr++) {
2282 if (RSptr->vesa == vesa) break;
2283 }
2284 if (!RSptr->vesa) {
2285 printk(KERN_ERR "Invalid vesa mode 0x%04X\n", vesa);
2286 RSptr = vesamap;
2287 }
2288 {
2289 int res = RSResolution(RSptr->info)-1;
2290 if (left == ~0)
2291 left = timmings[res].left;
2292 if (!xres)
2293 xres = timmings[res].xres;
2294 if (right == ~0)
2295 right = timmings[res].right;
2296 if (!hslen)
2297 hslen = timmings[res].hslen;
2298 if (upper == ~0)
2299 upper = timmings[res].upper;
2300 if (!yres)
2301 yres = timmings[res].yres;
2302 if (lower == ~0)
2303 lower = timmings[res].lower;
2304 if (!vslen)
2305 vslen = timmings[res].vslen;
2306 if (!(fv||fh||maxclk||pixclock))
2307 fv = timmings[res].vfreq;
2308 if (depth == -1)
2309 depth = RSDepth(RSptr->info);
2310 }
2311 }
2312
matrox_init(void)2313 static int __init matrox_init(void) {
2314 int err;
2315
2316 matroxfb_init_params();
2317 err = pci_register_driver(&matroxfb_driver);
2318 dev = -1; /* accept all new devices... */
2319 return err;
2320 }
2321
2322 /* **************************** exit-time only **************************** */
2323
matrox_done(void)2324 static void __exit matrox_done(void) {
2325 pci_unregister_driver(&matroxfb_driver);
2326 }
2327
2328 #ifndef MODULE
2329
2330 /* ************************* init in-kernel code ************************** */
2331
matroxfb_setup(char * options)2332 static int __init matroxfb_setup(char *options) {
2333 char *this_opt;
2334
2335 DBG(__func__)
2336
2337 if (!options || !*options)
2338 return 0;
2339
2340 while ((this_opt = strsep(&options, ",")) != NULL) {
2341 if (!*this_opt) continue;
2342
2343 dprintk("matroxfb_setup: option %s\n", this_opt);
2344
2345 if (!strncmp(this_opt, "dev:", 4))
2346 dev = simple_strtoul(this_opt+4, NULL, 0);
2347 else if (!strncmp(this_opt, "depth:", 6)) {
2348 switch (simple_strtoul(this_opt+6, NULL, 0)) {
2349 case 0: depth = RSText; break;
2350 case 4: depth = RS4bpp; break;
2351 case 8: depth = RS8bpp; break;
2352 case 15:depth = RS15bpp; break;
2353 case 16:depth = RS16bpp; break;
2354 case 24:depth = RS24bpp; break;
2355 case 32:depth = RS32bpp; break;
2356 default:
2357 printk(KERN_ERR "matroxfb: unsupported color depth\n");
2358 }
2359 } else if (!strncmp(this_opt, "xres:", 5))
2360 xres = simple_strtoul(this_opt+5, NULL, 0);
2361 else if (!strncmp(this_opt, "yres:", 5))
2362 yres = simple_strtoul(this_opt+5, NULL, 0);
2363 else if (!strncmp(this_opt, "vslen:", 6))
2364 vslen = simple_strtoul(this_opt+6, NULL, 0);
2365 else if (!strncmp(this_opt, "hslen:", 6))
2366 hslen = simple_strtoul(this_opt+6, NULL, 0);
2367 else if (!strncmp(this_opt, "left:", 5))
2368 left = simple_strtoul(this_opt+5, NULL, 0);
2369 else if (!strncmp(this_opt, "right:", 6))
2370 right = simple_strtoul(this_opt+6, NULL, 0);
2371 else if (!strncmp(this_opt, "upper:", 6))
2372 upper = simple_strtoul(this_opt+6, NULL, 0);
2373 else if (!strncmp(this_opt, "lower:", 6))
2374 lower = simple_strtoul(this_opt+6, NULL, 0);
2375 else if (!strncmp(this_opt, "pixclock:", 9))
2376 pixclock = simple_strtoul(this_opt+9, NULL, 0);
2377 else if (!strncmp(this_opt, "sync:", 5))
2378 sync = simple_strtoul(this_opt+5, NULL, 0);
2379 else if (!strncmp(this_opt, "vesa:", 5))
2380 vesa = simple_strtoul(this_opt+5, NULL, 0);
2381 else if (!strncmp(this_opt, "maxclk:", 7))
2382 maxclk = simple_strtoul(this_opt+7, NULL, 0);
2383 else if (!strncmp(this_opt, "fh:", 3))
2384 fh = simple_strtoul(this_opt+3, NULL, 0);
2385 else if (!strncmp(this_opt, "fv:", 3))
2386 fv = simple_strtoul(this_opt+3, NULL, 0);
2387 else if (!strncmp(this_opt, "mem:", 4))
2388 mem = simple_strtoul(this_opt+4, NULL, 0);
2389 else if (!strncmp(this_opt, "mode:", 5))
2390 strlcpy(videomode, this_opt+5, sizeof(videomode));
2391 else if (!strncmp(this_opt, "outputs:", 8))
2392 strlcpy(outputs, this_opt+8, sizeof(outputs));
2393 else if (!strncmp(this_opt, "dfp:", 4)) {
2394 dfp_type = simple_strtoul(this_opt+4, NULL, 0);
2395 dfp = 1;
2396 }
2397 #ifdef CONFIG_PPC_PMAC
2398 else if (!strncmp(this_opt, "vmode:", 6)) {
2399 unsigned int vmode = simple_strtoul(this_opt+6, NULL, 0);
2400 if (vmode > 0 && vmode <= VMODE_MAX)
2401 default_vmode = vmode;
2402 } else if (!strncmp(this_opt, "cmode:", 6)) {
2403 unsigned int cmode = simple_strtoul(this_opt+6, NULL, 0);
2404 switch (cmode) {
2405 case 0:
2406 case 8:
2407 default_cmode = CMODE_8;
2408 break;
2409 case 15:
2410 case 16:
2411 default_cmode = CMODE_16;
2412 break;
2413 case 24:
2414 case 32:
2415 default_cmode = CMODE_32;
2416 break;
2417 }
2418 }
2419 #endif
2420 else if (!strcmp(this_opt, "disabled")) /* nodisabled does not exist */
2421 disabled = 1;
2422 else if (!strcmp(this_opt, "enabled")) /* noenabled does not exist */
2423 disabled = 0;
2424 else if (!strcmp(this_opt, "sgram")) /* nosgram == sdram */
2425 sgram = 1;
2426 else if (!strcmp(this_opt, "sdram"))
2427 sgram = 0;
2428 else if (!strncmp(this_opt, "memtype:", 8))
2429 memtype = simple_strtoul(this_opt+8, NULL, 0);
2430 else {
2431 int value = 1;
2432
2433 if (!strncmp(this_opt, "no", 2)) {
2434 value = 0;
2435 this_opt += 2;
2436 }
2437 if (! strcmp(this_opt, "inverse"))
2438 inverse = value;
2439 else if (!strcmp(this_opt, "accel"))
2440 noaccel = !value;
2441 else if (!strcmp(this_opt, "pan"))
2442 nopan = !value;
2443 else if (!strcmp(this_opt, "pciretry"))
2444 no_pci_retry = !value;
2445 else if (!strcmp(this_opt, "vga"))
2446 novga = !value;
2447 else if (!strcmp(this_opt, "bios"))
2448 nobios = !value;
2449 else if (!strcmp(this_opt, "init"))
2450 noinit = !value;
2451 else if (!strcmp(this_opt, "mtrr"))
2452 mtrr = value;
2453 else if (!strcmp(this_opt, "inv24"))
2454 inv24 = value;
2455 else if (!strcmp(this_opt, "cross4MB"))
2456 cross4MB = value;
2457 else if (!strcmp(this_opt, "grayscale"))
2458 grayscale = value;
2459 else if (!strcmp(this_opt, "dfp"))
2460 dfp = value;
2461 else {
2462 strlcpy(videomode, this_opt, sizeof(videomode));
2463 }
2464 }
2465 }
2466 return 0;
2467 }
2468
2469 static int __initdata initialized = 0;
2470
matroxfb_init(void)2471 static int __init matroxfb_init(void)
2472 {
2473 char *option = NULL;
2474 int err = 0;
2475
2476 DBG(__func__)
2477
2478 if (fb_get_options("matroxfb", &option))
2479 return -ENODEV;
2480 matroxfb_setup(option);
2481
2482 if (disabled)
2483 return -ENXIO;
2484 if (!initialized) {
2485 initialized = 1;
2486 err = matrox_init();
2487 }
2488 hotplug = 1;
2489 /* never return failure, user can hotplug matrox later... */
2490 return err;
2491 }
2492
2493 module_init(matroxfb_init);
2494
2495 #else
2496
2497 /* *************************** init module code **************************** */
2498
2499 MODULE_AUTHOR("(c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>");
2500 MODULE_DESCRIPTION("Accelerated FBDev driver for Matrox Millennium/Mystique/G100/G200/G400/G450/G550");
2501 MODULE_LICENSE("GPL");
2502
2503 module_param(mem, int, 0);
2504 MODULE_PARM_DESC(mem, "Size of available memory in MB, KB or B (2,4,8,12,16MB, default=autodetect)");
2505 module_param(disabled, int, 0);
2506 MODULE_PARM_DESC(disabled, "Disabled (0 or 1=disabled) (default=0)");
2507 module_param(noaccel, int, 0);
2508 MODULE_PARM_DESC(noaccel, "Do not use accelerating engine (0 or 1=disabled) (default=0)");
2509 module_param(nopan, int, 0);
2510 MODULE_PARM_DESC(nopan, "Disable pan on startup (0 or 1=disabled) (default=0)");
2511 module_param(no_pci_retry, int, 0);
2512 MODULE_PARM_DESC(no_pci_retry, "PCI retries enabled (0 or 1=disabled) (default=0)");
2513 module_param(novga, int, 0);
2514 MODULE_PARM_DESC(novga, "VGA I/O (0x3C0-0x3DF) disabled (0 or 1=disabled) (default=0)");
2515 module_param(nobios, int, 0);
2516 MODULE_PARM_DESC(nobios, "Disables ROM BIOS (0 or 1=disabled) (default=do not change BIOS state)");
2517 module_param(noinit, int, 0);
2518 MODULE_PARM_DESC(noinit, "Disables W/SG/SD-RAM and bus interface initialization (0 or 1=do not initialize) (default=0)");
2519 module_param(memtype, int, 0);
2520 MODULE_PARM_DESC(memtype, "Memory type for G200/G400 (see Documentation/fb/matroxfb.rst for explanation) (default=3 for G200, 0 for G400)");
2521 module_param(mtrr, int, 0);
2522 MODULE_PARM_DESC(mtrr, "This speeds up video memory accesses (0=disabled or 1) (default=1)");
2523 module_param(sgram, int, 0);
2524 MODULE_PARM_DESC(sgram, "Indicates that G100/G200/G400 has SGRAM memory (0=SDRAM, 1=SGRAM) (default=0)");
2525 module_param(inv24, int, 0);
2526 MODULE_PARM_DESC(inv24, "Inverts clock polarity for 24bpp and loop frequency > 100MHz (default=do not invert polarity)");
2527 module_param(inverse, int, 0);
2528 MODULE_PARM_DESC(inverse, "Inverse (0 or 1) (default=0)");
2529 module_param(dev, int, 0);
2530 MODULE_PARM_DESC(dev, "Multihead support, attach to device ID (0..N) (default=all working)");
2531 module_param(vesa, int, 0);
2532 MODULE_PARM_DESC(vesa, "Startup videomode (0x000-0x1FF) (default=0x101)");
2533 module_param(xres, int, 0);
2534 MODULE_PARM_DESC(xres, "Horizontal resolution (px), overrides xres from vesa (default=vesa)");
2535 module_param(yres, int, 0);
2536 MODULE_PARM_DESC(yres, "Vertical resolution (scans), overrides yres from vesa (default=vesa)");
2537 module_param(upper, int, 0);
2538 MODULE_PARM_DESC(upper, "Upper blank space (scans), overrides upper from vesa (default=vesa)");
2539 module_param(lower, int, 0);
2540 MODULE_PARM_DESC(lower, "Lower blank space (scans), overrides lower from vesa (default=vesa)");
2541 module_param(vslen, int, 0);
2542 MODULE_PARM_DESC(vslen, "Vertical sync length (scans), overrides lower from vesa (default=vesa)");
2543 module_param(left, int, 0);
2544 MODULE_PARM_DESC(left, "Left blank space (px), overrides left from vesa (default=vesa)");
2545 module_param(right, int, 0);
2546 MODULE_PARM_DESC(right, "Right blank space (px), overrides right from vesa (default=vesa)");
2547 module_param(hslen, int, 0);
2548 MODULE_PARM_DESC(hslen, "Horizontal sync length (px), overrides hslen from vesa (default=vesa)");
2549 module_param(pixclock, int, 0);
2550 MODULE_PARM_DESC(pixclock, "Pixelclock (ns), overrides pixclock from vesa (default=vesa)");
2551 module_param(sync, int, 0);
2552 MODULE_PARM_DESC(sync, "Sync polarity, overrides sync from vesa (default=vesa)");
2553 module_param(depth, int, 0);
2554 MODULE_PARM_DESC(depth, "Color depth (0=text,8,15,16,24,32) (default=vesa)");
2555 module_param(maxclk, int, 0);
2556 MODULE_PARM_DESC(maxclk, "Startup maximal clock, 0-999MHz, 1000-999999kHz, 1000000-INF Hz");
2557 module_param(fh, int, 0);
2558 MODULE_PARM_DESC(fh, "Startup horizontal frequency, 0-999kHz, 1000-INF Hz");
2559 module_param(fv, int, 0);
2560 MODULE_PARM_DESC(fv, "Startup vertical frequency, 0-INF Hz\n"
2561 "You should specify \"fv:max_monitor_vsync,fh:max_monitor_hsync,maxclk:max_monitor_dotclock\"");
2562 module_param(grayscale, int, 0);
2563 MODULE_PARM_DESC(grayscale, "Sets display into grayscale. Works perfectly with paletized videomode (4, 8bpp), some limitations apply to 16, 24 and 32bpp videomodes (default=nograyscale)");
2564 module_param(cross4MB, int, 0);
2565 MODULE_PARM_DESC(cross4MB, "Specifies that 4MB boundary can be in middle of line. (default=autodetected)");
2566 module_param(dfp, int, 0);
2567 MODULE_PARM_DESC(dfp, "Specifies whether to use digital flat panel interface of G200/G400 (0 or 1) (default=0)");
2568 module_param(dfp_type, int, 0);
2569 MODULE_PARM_DESC(dfp_type, "Specifies DFP interface type (0 to 255) (default=read from hardware)");
2570 module_param_string(outputs, outputs, sizeof(outputs), 0);
2571 MODULE_PARM_DESC(outputs, "Specifies which CRTC is mapped to which output (string of up to three letters, consisting of 0 (disabled), 1 (CRTC1), 2 (CRTC2)) (default=111 for Gx50, 101 for G200/G400 with DFP, and 100 for all other devices)");
2572 #ifdef CONFIG_PPC_PMAC
2573 module_param_named(vmode, default_vmode, int, 0);
2574 MODULE_PARM_DESC(vmode, "Specify the vmode mode number that should be used (640x480 default)");
2575 module_param_named(cmode, default_cmode, int, 0);
2576 MODULE_PARM_DESC(cmode, "Specify the video depth that should be used (8bit default)");
2577 #endif
2578
init_module(void)2579 int __init init_module(void){
2580
2581 DBG(__func__)
2582
2583 if (disabled)
2584 return -ENXIO;
2585
2586 if (depth == 0)
2587 depth = RSText;
2588 else if (depth == 4)
2589 depth = RS4bpp;
2590 else if (depth == 8)
2591 depth = RS8bpp;
2592 else if (depth == 15)
2593 depth = RS15bpp;
2594 else if (depth == 16)
2595 depth = RS16bpp;
2596 else if (depth == 24)
2597 depth = RS24bpp;
2598 else if (depth == 32)
2599 depth = RS32bpp;
2600 else if (depth != -1) {
2601 printk(KERN_ERR "matroxfb: depth %d is not supported, using default\n", depth);
2602 depth = -1;
2603 }
2604 matrox_init();
2605 /* never return failure; user can hotplug matrox later... */
2606 return 0;
2607 }
2608 #endif /* MODULE */
2609
2610 module_exit(matrox_done);
2611 EXPORT_SYMBOL(matroxfb_register_driver);
2612 EXPORT_SYMBOL(matroxfb_unregister_driver);
2613 EXPORT_SYMBOL(matroxfb_wait_for_sync);
2614 EXPORT_SYMBOL(matroxfb_enable_irq);
2615
2616 /*
2617 * Overrides for Emacs so that we follow Linus's tabbing style.
2618 * ---------------------------------------------------------------------------
2619 * Local variables:
2620 * c-basic-offset: 8
2621 * End:
2622 */
2623
2624
