patch-2_6_7-vs1_9_1_12
[linux-2.6.git] / drivers / video / matrox / matroxfb_base.c
1 /*
2  *
3  * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400
4  *
5  * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>
6  *
7  * Portions Copyright (c) 2001 Matrox Graphics Inc.
8  *
9  * Version: 1.65 2002/08/14
10  *
11  * MTRR stuff: 1998 Tom Rini <trini@kernel.crashing.org>
12  *
13  * Contributors: "menion?" <menion@mindless.com>
14  *                     Betatesting, fixes, ideas
15  *
16  *               "Kurt Garloff" <garloff@suse.de>
17  *                     Betatesting, fixes, ideas, videomodes, videomodes timmings
18  *
19  *               "Tom Rini" <trini@kernel.crashing.org>
20  *                     MTRR stuff, PPC cleanups, betatesting, fixes, ideas
21  *
22  *               "Bibek Sahu" <scorpio@dodds.net>
23  *                     Access device through readb|w|l and write b|w|l
24  *                     Extensive debugging stuff
25  *
26  *               "Daniel Haun" <haund@usa.net>
27  *                     Testing, hardware cursor fixes
28  *
29  *               "Scott Wood" <sawst46+@pitt.edu>
30  *                     Fixes
31  *
32  *               "Gerd Knorr" <kraxel@goldbach.isdn.cs.tu-berlin.de>
33  *                     Betatesting
34  *
35  *               "Kelly French" <targon@hazmat.com>
36  *               "Fernando Herrera" <fherrera@eurielec.etsit.upm.es>
37  *                     Betatesting, bug reporting
38  *
39  *               "Pablo Bianucci" <pbian@pccp.com.ar>
40  *                     Fixes, ideas, betatesting
41  *
42  *               "Inaky Perez Gonzalez" <inaky@peloncho.fis.ucm.es>
43  *                     Fixes, enhandcements, ideas, betatesting
44  *
45  *               "Ryuichi Oikawa" <roikawa@rr.iiij4u.or.jp>
46  *                     PPC betatesting, PPC support, backward compatibility
47  *
48  *               "Paul Womar" <Paul@pwomar.demon.co.uk>
49  *               "Owen Waller" <O.Waller@ee.qub.ac.uk>
50  *                     PPC betatesting
51  *
52  *               "Thomas Pornin" <pornin@bolet.ens.fr>
53  *                     Alpha betatesting
54  *
55  *               "Pieter van Leuven" <pvl@iae.nl>
56  *               "Ulf Jaenicke-Roessler" <ujr@physik.phy.tu-dresden.de>
57  *                     G100 testing
58  *
59  *               "H. Peter Arvin" <hpa@transmeta.com>
60  *                     Ideas
61  *
62  *               "Cort Dougan" <cort@cs.nmt.edu>
63  *                     CHRP fixes and PReP cleanup
64  *
65  *               "Mark Vojkovich" <mvojkovi@ucsd.edu>
66  *                     G400 support
67  *
68  *               "Samuel Hocevar" <sam@via.ecp.fr>
69  *                     Fixes
70  *
71  *               "Anton Altaparmakov" <AntonA@bigfoot.com>
72  *                     G400 MAX/non-MAX distinction
73  *
74  *               "Ken Aaker" <kdaaker@rchland.vnet.ibm.com>
75  *                     memtype extension (needed for GXT130P RS/6000 adapter)
76  *
77  *               "Uns Lider" <unslider@miranda.org>
78  *                     G100 PLNWT fixes
79  *
80  *               "Denis Zaitsev" <zzz@cd-club.ru>
81  *                     Fixes
82  *
83  *               "Mike Pieper" <mike@pieper-family.de>
84  *                     TVOut enhandcements, V4L2 control interface.
85  *
86  *               "Diego Biurrun" <diego@biurrun.de>
87  *                     DFP testing
88  *
89  * (following author is not in any relation with this code, but his code
90  *  is included in this driver)
91  *
92  * Based on framebuffer driver for VBE 2.0 compliant graphic boards
93  *     (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de>
94  *
95  * (following author is not in any relation with this code, but his ideas
96  *  were used when writting this driver)
97  *
98  *               FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk>
99  *
100  */
101
102 /* make checkconfig does not check included files... */
103 #include <linux/config.h>
104 #include <linux/version.h>
105
106 #include "matroxfb_base.h"
107 #include "matroxfb_misc.h"
108 #include "matroxfb_accel.h"
109 #include "matroxfb_DAC1064.h"
110 #include "matroxfb_Ti3026.h"
111 #include "matroxfb_maven.h"
112 #include "matroxfb_crtc2.h"
113 #include "matroxfb_g450.h"
114 #include <linux/matroxfb.h>
115 #include <linux/interrupt.h>
116 #include <asm/uaccess.h>
117
118 #ifdef CONFIG_PPC_PMAC
119 unsigned char nvram_read_byte(int);
120 static int default_vmode = VMODE_NVRAM;
121 static int default_cmode = CMODE_NVRAM;
122 #endif
123
124 static void matroxfb_unregister_device(struct matrox_fb_info* minfo);
125
126 /* --------------------------------------------------------------------- */
127
128 /*
129  * card parameters
130  */
131
132 /* --------------------------------------------------------------------- */
133
134 static struct fb_var_screeninfo vesafb_defined = {
135         640,480,640,480,/* W,H, W, H (virtual) load xres,xres_virtual*/
136         0,0,            /* virtual -> visible no offset */
137         8,              /* depth -> load bits_per_pixel */
138         0,              /* greyscale ? */
139         {0,0,0},        /* R */
140         {0,0,0},        /* G */
141         {0,0,0},        /* B */
142         {0,0,0},        /* transparency */
143         0,              /* standard pixel format */
144         FB_ACTIVATE_NOW,
145         -1,-1,
146         FB_ACCELF_TEXT, /* accel flags */
147         39721L,48L,16L,33L,10L,
148         96L,2L,~0,      /* No sync info */
149         FB_VMODE_NONINTERLACED,
150         0, {0,0,0,0,0}
151 };
152
153
154
155 /* --------------------------------------------------------------------- */
156 static void update_crtc2(WPMINFO unsigned int pos) {
157         struct matroxfb_dh_fb_info* info = ACCESS_FBINFO(crtc2.info);
158
159         /* Make sure that displays are compatible */
160         if (info && (info->fbcon.var.bits_per_pixel == ACCESS_FBINFO(fbcon).var.bits_per_pixel)
161                  && (info->fbcon.var.xres_virtual == ACCESS_FBINFO(fbcon).var.xres_virtual)
162                  && (info->fbcon.var.green.length == ACCESS_FBINFO(fbcon).var.green.length)
163                  ) {
164                 switch (ACCESS_FBINFO(fbcon).var.bits_per_pixel) {
165                         case 16:
166                         case 32:
167                                 pos = pos * 8;
168                                 if (info->interlaced) {
169                                         mga_outl(0x3C2C, pos);
170                                         mga_outl(0x3C28, pos + ACCESS_FBINFO(fbcon).var.xres_virtual * ACCESS_FBINFO(fbcon).var.bits_per_pixel / 8);
171                                 } else {
172                                         mga_outl(0x3C28, pos);
173                                 }
174                                 break;
175                 }
176         }
177 }
178
179 static void matroxfb_crtc1_panpos(WPMINFO2) {
180         if (ACCESS_FBINFO(crtc1.panpos) >= 0) {
181                 unsigned long flags;
182                 int panpos;
183
184                 matroxfb_DAC_lock_irqsave(flags);
185                 panpos = ACCESS_FBINFO(crtc1.panpos);
186                 if (panpos >= 0) {
187                         unsigned int extvga_reg;
188
189                         ACCESS_FBINFO(crtc1.panpos) = -1; /* No update pending anymore */
190                         extvga_reg = mga_inb(M_EXTVGA_INDEX);
191                         mga_setr(M_EXTVGA_INDEX, 0x00, panpos);
192                         if (extvga_reg != 0x00) {
193                                 mga_outb(M_EXTVGA_INDEX, extvga_reg);
194                         }
195                 }
196                 matroxfb_DAC_unlock_irqrestore(flags);
197         }
198 }
199
200 static irqreturn_t matrox_irq(int irq, void *dev_id, struct pt_regs *fp)
201 {
202         u_int32_t status;
203         int handled = 0;
204
205         MINFO_FROM(dev_id);
206
207         status = mga_inl(M_STATUS);
208
209         if (status & 0x20) {
210                 mga_outl(M_ICLEAR, 0x20);
211                 ACCESS_FBINFO(crtc1.vsync.cnt)++;
212                 matroxfb_crtc1_panpos(PMINFO2);
213                 wake_up_interruptible(&ACCESS_FBINFO(crtc1.vsync.wait));
214                 handled = 1;
215         }
216         if (status & 0x200) {
217                 mga_outl(M_ICLEAR, 0x200);
218                 ACCESS_FBINFO(crtc2.vsync.cnt)++;
219                 wake_up_interruptible(&ACCESS_FBINFO(crtc2.vsync.wait));
220                 handled = 1;
221         }
222         return IRQ_RETVAL(handled);
223 }
224
225 int matroxfb_enable_irq(WPMINFO int reenable) {
226         u_int32_t bm;
227         
228         if (ACCESS_FBINFO(devflags.accelerator) == FB_ACCEL_MATROX_MGAG400)
229                 bm = 0x220;
230         else
231                 bm = 0x020;
232
233         if (!test_and_set_bit(0, &ACCESS_FBINFO(irq_flags))) {
234                 if (request_irq(ACCESS_FBINFO(pcidev)->irq, matrox_irq,
235                                 SA_SHIRQ, "matroxfb", MINFO)) {
236                         clear_bit(0, &ACCESS_FBINFO(irq_flags));
237                         return -EINVAL;
238                 }
239                 /* Clear any pending field interrupts */
240                 mga_outl(M_ICLEAR, bm);
241                 mga_outl(M_IEN, mga_inl(M_IEN) | bm);
242         } else if (reenable) {
243                 u_int32_t ien;
244                 
245                 ien = mga_inl(M_IEN);
246                 if ((ien & bm) != bm) {
247                         printk(KERN_DEBUG "matroxfb: someone disabled IRQ [%08X]\n", ien);
248                         mga_outl(M_IEN, ien | bm);
249                 }
250         }
251         return 0;
252 }
253
254 static void matroxfb_disable_irq(WPMINFO2) {
255         if (test_and_clear_bit(0, &ACCESS_FBINFO(irq_flags))) {
256                 /* Flush pending pan-at-vbl request... */
257                 matroxfb_crtc1_panpos(PMINFO2);
258                 if (ACCESS_FBINFO(devflags.accelerator) == FB_ACCEL_MATROX_MGAG400)
259                         mga_outl(M_IEN, mga_inl(M_IEN) & ~0x220);
260                 else
261                         mga_outl(M_IEN, mga_inl(M_IEN) & ~0x20);
262                 free_irq(ACCESS_FBINFO(pcidev)->irq, MINFO);
263         }
264 }
265
266 int matroxfb_wait_for_sync(WPMINFO u_int32_t crtc) {
267         wait_queue_t __wait;
268         struct matrox_vsync *vs;
269         unsigned int cnt;
270         int ret;
271
272         switch (crtc) {
273                 case 0:
274                         vs = &ACCESS_FBINFO(crtc1.vsync);
275                         break;
276                 case 1:
277                         if (ACCESS_FBINFO(devflags.accelerator) != FB_ACCEL_MATROX_MGAG400) {
278                                 return -ENODEV;
279                         }
280                         vs = &ACCESS_FBINFO(crtc2.vsync);
281                         break;
282                 default:
283                         return -ENODEV;
284         }
285         ret = matroxfb_enable_irq(PMINFO 0);
286         if (ret) {
287                 return ret;
288         }
289         init_waitqueue_entry(&__wait, current);
290
291         cnt = vs->cnt;
292         ret = wait_event_interruptible_timeout(vs->wait, cnt != vs->cnt, HZ/10);
293         if (ret < 0) {
294                 return ret;
295         }
296         if (ret == 0) {
297                 matroxfb_enable_irq(PMINFO 1);
298                 return -ETIMEDOUT;
299         }
300         return 0;
301 }
302
303 /* --------------------------------------------------------------------- */
304
305 static void matrox_pan_var(WPMINFO struct fb_var_screeninfo *var) {
306         unsigned int pos;
307         unsigned short p0, p1, p2;
308 #ifdef CONFIG_FB_MATROX_32MB
309         unsigned int p3;
310 #endif
311         int vbl;
312         unsigned long flags;
313
314         CRITFLAGS
315
316         DBG(__FUNCTION__)
317
318         if (ACCESS_FBINFO(dead))
319                 return;
320
321         ACCESS_FBINFO(fbcon).var.xoffset = var->xoffset;
322         ACCESS_FBINFO(fbcon).var.yoffset = var->yoffset;
323         pos = (ACCESS_FBINFO(fbcon).var.yoffset * ACCESS_FBINFO(fbcon).var.xres_virtual + ACCESS_FBINFO(fbcon).var.xoffset) * ACCESS_FBINFO(curr.final_bppShift) / 32;
324         pos += ACCESS_FBINFO(curr.ydstorg.chunks);
325         p0 = ACCESS_FBINFO(hw).CRTC[0x0D] = pos & 0xFF;
326         p1 = ACCESS_FBINFO(hw).CRTC[0x0C] = (pos & 0xFF00) >> 8;
327         p2 = ACCESS_FBINFO(hw).CRTCEXT[0] = (ACCESS_FBINFO(hw).CRTCEXT[0] & 0xB0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
328 #ifdef CONFIG_FB_MATROX_32MB
329         p3 = ACCESS_FBINFO(hw).CRTCEXT[8] = pos >> 21;
330 #endif
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(PMINFO 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 #ifdef CONFIG_FB_MATROX_32MB
341         if (ACCESS_FBINFO(devflags.support32MB))
342                 mga_setr(M_EXTVGA_INDEX, 0x08, p3);
343 #endif
344         if (vbl) {
345                 ACCESS_FBINFO(crtc1.panpos) = p2;
346         } else {
347                 /* Abort any pending change */
348                 ACCESS_FBINFO(crtc1.panpos) = -1;
349                 mga_setr(M_EXTVGA_INDEX, 0x00, p2);
350         }
351         matroxfb_DAC_unlock_irqrestore(flags);
352         
353         update_crtc2(PMINFO pos);
354
355         CRITEND
356 }
357
358 static void matroxfb_remove(WPMINFO int dummy) {
359         /* Currently we are holding big kernel lock on all dead & usecount updates.
360          * Destroy everything after all users release it. Especially do not unregister
361          * framebuffer and iounmap memory, neither fbmem nor fbcon-cfb* does not check
362          * for device unplugged when in use.
363          * In future we should point mmio.vbase & video.vbase somewhere where we can
364          * write data without causing too much damage...
365          */
366
367         ACCESS_FBINFO(dead) = 1;
368         if (ACCESS_FBINFO(usecount)) {
369                 /* destroy it later */
370                 return;
371         }
372         matroxfb_unregister_device(MINFO);
373         unregister_framebuffer(&ACCESS_FBINFO(fbcon));
374         matroxfb_g450_shutdown(PMINFO2);
375 #ifdef CONFIG_MTRR
376         if (ACCESS_FBINFO(mtrr.vram_valid))
377                 mtrr_del(ACCESS_FBINFO(mtrr.vram), ACCESS_FBINFO(video.base), ACCESS_FBINFO(video.len));
378 #endif
379         mga_iounmap(ACCESS_FBINFO(mmio.vbase));
380         mga_iounmap(ACCESS_FBINFO(video.vbase));
381         release_mem_region(ACCESS_FBINFO(video.base), ACCESS_FBINFO(video.len_maximum));
382         release_mem_region(ACCESS_FBINFO(mmio.base), 16384);
383 #ifdef CONFIG_FB_MATROX_MULTIHEAD
384         kfree(minfo);
385 #endif
386 }
387
388         /*
389          * Open/Release the frame buffer device
390          */
391
392 static int matroxfb_open(struct fb_info *info, int user)
393 {
394         MINFO_FROM_INFO(info);
395         
396         DBG_LOOP(__FUNCTION__)
397
398         if (ACCESS_FBINFO(dead)) {
399                 return -ENXIO;
400         }
401         ACCESS_FBINFO(usecount)++;
402         if (user) {
403                 ACCESS_FBINFO(userusecount)++;
404         }
405         return(0);
406 }
407
408 static int matroxfb_release(struct fb_info *info, int user)
409 {
410         MINFO_FROM_INFO(info);
411         
412         DBG_LOOP(__FUNCTION__)
413
414         if (user) {
415                 if (0 == --ACCESS_FBINFO(userusecount)) {
416                         matroxfb_disable_irq(PMINFO2);
417                 }
418         }
419         if (!(--ACCESS_FBINFO(usecount)) && ACCESS_FBINFO(dead)) {
420                 matroxfb_remove(PMINFO 0);
421         }
422         return(0);
423 }
424
425 static int matroxfb_pan_display(struct fb_var_screeninfo *var,
426                 struct fb_info* info) {
427         MINFO_FROM_INFO(info);
428
429         DBG(__FUNCTION__)
430
431         matrox_pan_var(PMINFO var);
432         return 0;
433 }
434
435 static int matroxfb_get_final_bppShift(CPMINFO int bpp) {
436         int bppshft2;
437
438         DBG(__FUNCTION__)
439
440         bppshft2 = bpp;
441         if (!bppshft2) {
442                 return 8;
443         }
444         if (isInterleave(MINFO))
445                 bppshft2 >>= 1;
446         if (ACCESS_FBINFO(devflags.video64bits))
447                 bppshft2 >>= 1;
448         return bppshft2;
449 }
450
451 static int matroxfb_test_and_set_rounding(CPMINFO int xres, int bpp) {
452         int over;
453         int rounding;
454
455         DBG(__FUNCTION__)
456
457         switch (bpp) {
458                 case 0:         return xres;
459                 case 4:         rounding = 128;
460                                 break;
461                 case 8:         rounding = 64;  /* doc says 64; 32 is OK for G400 */
462                                 break;
463                 case 16:        rounding = 32;
464                                 break;
465                 case 24:        rounding = 64;  /* doc says 64; 32 is OK for G400 */
466                                 break;
467                 default:        rounding = 16;
468                                 /* on G400, 16 really does not work */
469                                 if (ACCESS_FBINFO(devflags.accelerator) == FB_ACCEL_MATROX_MGAG400)
470                                         rounding = 32;
471                                 break;
472         }
473         if (isInterleave(MINFO)) {
474                 rounding *= 2;
475         }
476         over = xres % rounding;
477         if (over)
478                 xres += rounding-over;
479         return xres;
480 }
481
482 static int matroxfb_pitch_adjust(CPMINFO int xres, int bpp) {
483         const int* width;
484         int xres_new;
485
486         DBG(__FUNCTION__)
487
488         if (!bpp) return xres;
489
490         width = ACCESS_FBINFO(capable.vxres);
491
492         if (ACCESS_FBINFO(devflags.precise_width)) {
493                 while (*width) {
494                         if ((*width >= xres) && (matroxfb_test_and_set_rounding(PMINFO *width, bpp) == *width)) {
495                                 break;
496                         }
497                         width++;
498                 }
499                 xres_new = *width;
500         } else {
501                 xres_new = matroxfb_test_and_set_rounding(PMINFO xres, bpp);
502         }
503         if (!xres_new) return 0;
504         if (xres != xres_new) {
505                 printk(KERN_INFO "matroxfb: cannot set xres to %d, rounded up to %d\n", xres, xres_new);
506         }
507         return xres_new;
508 }
509
510 static int matroxfb_get_cmap_len(struct fb_var_screeninfo *var) {
511
512         DBG(__FUNCTION__)
513
514         switch (var->bits_per_pixel) {
515                 case 4:
516                         return 16;      /* pseudocolor... 16 entries HW palette */
517                 case 8:
518                         return 256;     /* pseudocolor... 256 entries HW palette */
519                 case 16:
520                         return 16;      /* directcolor... 16 entries SW palette */
521                                         /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
522                 case 24:
523                         return 16;      /* directcolor... 16 entries SW palette */
524                                         /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
525                 case 32:
526                         return 16;      /* directcolor... 16 entries SW palette */
527                                         /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */
528         }
529         return 16;      /* return something reasonable... or panic()? */
530 }
531
532 static int matroxfb_decode_var(CPMINFO struct fb_var_screeninfo *var, int *visual, int *video_cmap_len, unsigned int* ydstorg) {
533         struct RGBT {
534                 unsigned char bpp;
535                 struct {
536                         unsigned char offset,
537                                       length;
538                 } red,
539                   green,
540                   blue,
541                   transp;
542                 signed char visual;
543         };
544         static const struct RGBT table[]= {
545                 { 8,{ 0,8},{0,8},{0,8},{ 0,0},MX_VISUAL_PSEUDOCOLOR},
546                 {15,{10,5},{5,5},{0,5},{15,1},MX_VISUAL_DIRECTCOLOR},
547                 {16,{11,5},{5,6},{0,5},{ 0,0},MX_VISUAL_DIRECTCOLOR},
548                 {24,{16,8},{8,8},{0,8},{ 0,0},MX_VISUAL_DIRECTCOLOR},
549                 {32,{16,8},{8,8},{0,8},{24,8},MX_VISUAL_DIRECTCOLOR}
550         };
551         struct RGBT const *rgbt;
552         unsigned int bpp = var->bits_per_pixel;
553         unsigned int vramlen;
554         unsigned int memlen;
555
556         DBG(__FUNCTION__)
557
558         switch (bpp) {
559                 case 4:  if (!ACCESS_FBINFO(capable.cfb4)) return -EINVAL;
560                          break;
561                 case 8:  break;
562                 case 16: break;
563                 case 24: break;
564                 case 32: break;
565                 default: return -EINVAL;
566         }
567         *ydstorg = 0;
568         vramlen = ACCESS_FBINFO(video.len_usable);
569         if (var->yres_virtual < var->yres)
570                 var->yres_virtual = var->yres;
571         if (var->xres_virtual < var->xres)
572                 var->xres_virtual = var->xres;
573
574         var->xres_virtual = matroxfb_pitch_adjust(PMINFO var->xres_virtual, bpp);
575         memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
576         if (memlen > vramlen) {
577                 var->yres_virtual = vramlen * 8 / (var->xres_virtual * bpp);
578                 memlen = var->xres_virtual * bpp * var->yres_virtual / 8;
579         }
580         /* There is hardware bug that no line can cross 4MB boundary */
581         /* give up for CFB24, it is impossible to easy workaround it */
582         /* for other try to do something */
583         if (!ACCESS_FBINFO(capable.cross4MB) && (memlen > 0x400000)) {
584                 if (bpp == 24) {
585                         /* sorry */
586                 } else {
587                         unsigned int linelen;
588                         unsigned int m1 = linelen = var->xres_virtual * bpp / 8;
589                         unsigned int m2 = PAGE_SIZE;    /* or 128 if you do not need PAGE ALIGNED address */
590                         unsigned int max_yres;
591
592                         while (m1) {
593                                 int t;
594
595                                 while (m2 >= m1) m2 -= m1;
596                                 t = m1;
597                                 m1 = m2;
598                                 m2 = t;
599                         }
600                         m2 = linelen * PAGE_SIZE / m2;
601                         *ydstorg = m2 = 0x400000 % m2;
602                         max_yres = (vramlen - m2) / linelen;
603                         if (var->yres_virtual > max_yres)
604                                 var->yres_virtual = max_yres;
605                 }
606         }
607         /* YDSTLEN contains only signed 16bit value */
608         if (var->yres_virtual > 32767)
609                 var->yres_virtual = 32767;
610         /* we must round yres/xres down, we already rounded y/xres_virtual up
611            if it was possible. We should return -EINVAL, but I disagree */
612         if (var->yres_virtual < var->yres)
613                 var->yres = var->yres_virtual;
614         if (var->xres_virtual < var->xres)
615                 var->xres = var->xres_virtual;
616         if (var->xoffset + var->xres > var->xres_virtual)
617                 var->xoffset = var->xres_virtual - var->xres;
618         if (var->yoffset + var->yres > var->yres_virtual)
619                 var->yoffset = var->yres_virtual - var->yres;
620
621         if (bpp == 16 && var->green.length == 5) {
622                 bpp--; /* an artifical value - 15 */
623         }
624
625         for (rgbt = table; rgbt->bpp < bpp; rgbt++);
626 #define SETCLR(clr)\
627         var->clr.offset = rgbt->clr.offset;\
628         var->clr.length = rgbt->clr.length
629         SETCLR(red);
630         SETCLR(green);
631         SETCLR(blue);
632         SETCLR(transp);
633 #undef  SETCLR
634         *visual = rgbt->visual;
635
636         if (bpp > 8)
637                 dprintk("matroxfb: truecolor: "
638                         "size=%d:%d:%d:%d, shift=%d:%d:%d:%d\n",
639                         var->transp.length, var->red.length, var->green.length, var->blue.length,
640                         var->transp.offset, var->red.offset, var->green.offset, var->blue.offset);
641
642         *video_cmap_len = matroxfb_get_cmap_len(var);
643         dprintk(KERN_INFO "requested %d*%d/%dbpp (%d*%d)\n", var->xres, var->yres, var->bits_per_pixel,
644                                 var->xres_virtual, var->yres_virtual);
645         return 0;
646 }
647
648 static int matroxfb_setcolreg(unsigned regno, unsigned red, unsigned green,
649                               unsigned blue, unsigned transp,
650                               struct fb_info *fb_info)
651 {
652 #ifdef CONFIG_FB_MATROX_MULTIHEAD
653         struct matrox_fb_info* minfo = container_of(fb_info, struct matrox_fb_info, fbcon);
654 #endif
655
656         DBG(__FUNCTION__)
657
658         /*
659          *  Set a single color register. The values supplied are
660          *  already rounded down to the hardware's capabilities
661          *  (according to the entries in the `var' structure). Return
662          *  != 0 for invalid regno.
663          */
664
665         if (regno >= ACCESS_FBINFO(curr.cmap_len))
666                 return 1;
667
668         if (ACCESS_FBINFO(fbcon).var.grayscale) {
669                 /* gray = 0.30*R + 0.59*G + 0.11*B */
670                 red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
671         }
672
673         red = CNVT_TOHW(red, ACCESS_FBINFO(fbcon).var.red.length);
674         green = CNVT_TOHW(green, ACCESS_FBINFO(fbcon).var.green.length);
675         blue = CNVT_TOHW(blue, ACCESS_FBINFO(fbcon).var.blue.length);
676         transp = CNVT_TOHW(transp, ACCESS_FBINFO(fbcon).var.transp.length);
677
678         switch (ACCESS_FBINFO(fbcon).var.bits_per_pixel) {
679         case 4:
680         case 8:
681                 mga_outb(M_DAC_REG, regno);
682                 mga_outb(M_DAC_VAL, red);
683                 mga_outb(M_DAC_VAL, green);
684                 mga_outb(M_DAC_VAL, blue);
685                 break;
686         case 16:
687                 {
688                         u_int16_t col =
689                                 (red << ACCESS_FBINFO(fbcon).var.red.offset)     |
690                                 (green << ACCESS_FBINFO(fbcon).var.green.offset) |
691                                 (blue << ACCESS_FBINFO(fbcon).var.blue.offset)   |
692                                 (transp << ACCESS_FBINFO(fbcon).var.transp.offset); /* for 1:5:5:5 */
693                         ACCESS_FBINFO(cmap[regno]) = col | (col << 16);
694                 }
695                 break;
696         case 24:
697         case 32:
698                 ACCESS_FBINFO(cmap[regno]) =
699                         (red   << ACCESS_FBINFO(fbcon).var.red.offset)   |
700                         (green << ACCESS_FBINFO(fbcon).var.green.offset) |
701                         (blue  << ACCESS_FBINFO(fbcon).var.blue.offset)  |
702                         (transp << ACCESS_FBINFO(fbcon).var.transp.offset);     /* 8:8:8:8 */
703                 break;
704         }
705         return 0;
706 }
707
708 static void matroxfb_init_fix(WPMINFO2)
709 {
710         struct fb_fix_screeninfo *fix = &ACCESS_FBINFO(fbcon).fix;
711         DBG(__FUNCTION__)
712
713         strcpy(fix->id,"MATROX");
714
715         fix->xpanstep = 8;      /* 8 for 8bpp, 4 for 16bpp, 2 for 32bpp */
716         fix->ypanstep = 1;
717         fix->ywrapstep = 0;
718         fix->mmio_start = ACCESS_FBINFO(mmio.base);
719         fix->mmio_len = ACCESS_FBINFO(mmio.len);
720         fix->accel = ACCESS_FBINFO(devflags.accelerator);
721 }
722
723 static void matroxfb_update_fix(WPMINFO2)
724 {
725         struct fb_fix_screeninfo *fix = &ACCESS_FBINFO(fbcon).fix;
726         DBG(__FUNCTION__)
727
728         fix->smem_start = ACCESS_FBINFO(video.base) + ACCESS_FBINFO(curr.ydstorg.bytes);
729         fix->smem_len = ACCESS_FBINFO(video.len_usable) - ACCESS_FBINFO(curr.ydstorg.bytes);
730 }
731
732 static int matroxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
733 {
734         int err;
735         int visual;
736         int cmap_len;
737         unsigned int ydstorg;
738         MINFO_FROM_INFO(info);
739
740         if (ACCESS_FBINFO(dead)) {
741                 return -ENXIO;
742         }
743         if ((err = matroxfb_decode_var(PMINFO var, &visual, &cmap_len, &ydstorg)) != 0)
744                 return err;
745         return 0;
746 }
747
748 static int matroxfb_set_par(struct fb_info *info)
749 {
750         int err;
751         int visual;
752         int cmap_len;
753         unsigned int ydstorg;
754         struct fb_var_screeninfo *var;
755         MINFO_FROM_INFO(info);
756
757         DBG(__FUNCTION__)
758
759         if (ACCESS_FBINFO(dead)) {
760                 return -ENXIO;
761         }
762
763         var = &info->var;
764         if ((err = matroxfb_decode_var(PMINFO var, &visual, &cmap_len, &ydstorg)) != 0)
765                 return err;
766         ACCESS_FBINFO(fbcon.screen_base) = vaddr_va(ACCESS_FBINFO(video.vbase)) + ydstorg;
767         matroxfb_update_fix(PMINFO2);
768         ACCESS_FBINFO(fbcon).fix.visual = visual;
769         ACCESS_FBINFO(fbcon).fix.type = FB_TYPE_PACKED_PIXELS;
770         ACCESS_FBINFO(fbcon).fix.type_aux = 0;
771         ACCESS_FBINFO(fbcon).fix.line_length = (var->xres_virtual * var->bits_per_pixel) >> 3;
772         {
773                 unsigned int pos;
774
775                 ACCESS_FBINFO(curr.cmap_len) = cmap_len;
776                 ydstorg += ACCESS_FBINFO(devflags.ydstorg);
777                 ACCESS_FBINFO(curr.ydstorg.bytes) = ydstorg;
778                 ACCESS_FBINFO(curr.ydstorg.chunks) = ydstorg >> (isInterleave(MINFO)?3:2);
779                 if (var->bits_per_pixel == 4)
780                         ACCESS_FBINFO(curr.ydstorg.pixels) = ydstorg;
781                 else
782                         ACCESS_FBINFO(curr.ydstorg.pixels) = (ydstorg * 8) / var->bits_per_pixel;
783                 ACCESS_FBINFO(curr.final_bppShift) = matroxfb_get_final_bppShift(PMINFO var->bits_per_pixel);
784                 {       struct my_timming mt;
785                         struct matrox_hw_state* hw;
786                         int out;
787
788                         matroxfb_var2my(var, &mt);
789                         mt.crtc = MATROXFB_SRC_CRTC1;
790                         /* CRTC1 delays */
791                         switch (var->bits_per_pixel) {
792                                 case  0:        mt.delay = 31 + 0; break;
793                                 case 16:        mt.delay = 21 + 8; break;
794                                 case 24:        mt.delay = 17 + 8; break;
795                                 case 32:        mt.delay = 16 + 8; break;
796                                 default:        mt.delay = 31 + 8; break;
797                         }
798
799                         hw = &ACCESS_FBINFO(hw);
800
801                         down_read(&ACCESS_FBINFO(altout).lock);
802                         for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
803                                 if (ACCESS_FBINFO(outputs[out]).src == MATROXFB_SRC_CRTC1 &&
804                                     ACCESS_FBINFO(outputs[out]).output->compute) {
805                                         ACCESS_FBINFO(outputs[out]).output->compute(ACCESS_FBINFO(outputs[out]).data, &mt);
806                                 }
807                         }
808                         up_read(&ACCESS_FBINFO(altout).lock);
809                         ACCESS_FBINFO(crtc1).pixclock = mt.pixclock;
810                         ACCESS_FBINFO(crtc1).mnp = mt.mnp;
811                         ACCESS_FBINFO(hw_switch->init(PMINFO &mt));
812                         pos = (var->yoffset * var->xres_virtual + var->xoffset) * ACCESS_FBINFO(curr.final_bppShift) / 32;
813                         pos += ACCESS_FBINFO(curr.ydstorg.chunks);
814
815                         hw->CRTC[0x0D] = pos & 0xFF;
816                         hw->CRTC[0x0C] = (pos & 0xFF00) >> 8;
817                         hw->CRTCEXT[0] = (hw->CRTCEXT[0] & 0xF0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40);
818                         hw->CRTCEXT[8] = pos >> 21;
819                         ACCESS_FBINFO(hw_switch->restore(PMINFO2));
820                         update_crtc2(PMINFO pos);
821                         down_read(&ACCESS_FBINFO(altout).lock);
822                         for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
823                                 if (ACCESS_FBINFO(outputs[out]).src == MATROXFB_SRC_CRTC1 &&
824                                     ACCESS_FBINFO(outputs[out]).output->program) {
825                                         ACCESS_FBINFO(outputs[out]).output->program(ACCESS_FBINFO(outputs[out]).data);
826                                 }
827                         }
828                         for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) {
829                                 if (ACCESS_FBINFO(outputs[out]).src == MATROXFB_SRC_CRTC1 &&
830                                     ACCESS_FBINFO(outputs[out]).output->start) {
831                                         ACCESS_FBINFO(outputs[out]).output->start(ACCESS_FBINFO(outputs[out]).data);
832                                 }
833                         }
834                         up_read(&ACCESS_FBINFO(altout).lock);
835                         matrox_cfbX_init(PMINFO2);
836                 }
837         }
838         return 0;
839 }
840
841 static int matroxfb_get_vblank(WPMINFO struct fb_vblank *vblank)
842 {
843         unsigned int sts1;
844
845         matroxfb_enable_irq(PMINFO 0);
846         memset(vblank, 0, sizeof(*vblank));
847         vblank->flags = FB_VBLANK_HAVE_VCOUNT | FB_VBLANK_HAVE_VSYNC |
848                         FB_VBLANK_HAVE_VBLANK | FB_VBLANK_HAVE_HBLANK;
849         sts1 = mga_inb(M_INSTS1);
850         vblank->vcount = mga_inl(M_VCOUNT);
851         /* BTW, on my PIII/450 with G400, reading M_INSTS1
852            byte makes this call about 12% slower (1.70 vs. 2.05 us
853            per ioctl()) */
854         if (sts1 & 1)
855                 vblank->flags |= FB_VBLANK_HBLANKING;
856         if (sts1 & 8)
857                 vblank->flags |= FB_VBLANK_VSYNCING;
858         if (vblank->vcount >= ACCESS_FBINFO(fbcon).var.yres)
859                 vblank->flags |= FB_VBLANK_VBLANKING;
860         if (test_bit(0, &ACCESS_FBINFO(irq_flags))) {
861                 vblank->flags |= FB_VBLANK_HAVE_COUNT;
862                 /* Only one writer, aligned int value... 
863                    it should work without lock and without atomic_t */
864                 vblank->count = ACCESS_FBINFO(crtc1).vsync.cnt;
865         }
866         return 0;
867 }
868
869 static struct matrox_altout panellink_output = {
870         .name    = "Panellink output",
871 };
872
873 static int matroxfb_ioctl(struct inode *inode, struct file *file,
874                           unsigned int cmd, unsigned long arg,
875                           struct fb_info *info)
876 {
877         MINFO_FROM_INFO(info);
878         
879         DBG(__FUNCTION__)
880
881         if (ACCESS_FBINFO(dead)) {
882                 return -ENXIO;
883         }
884
885         switch (cmd) {
886                 case FBIOGET_VBLANK:
887                         {
888                                 struct fb_vblank vblank;
889                                 int err;
890
891                                 err = matroxfb_get_vblank(PMINFO &vblank);
892                                 if (err)
893                                         return err;
894                                 if (copy_to_user((struct fb_vblank*)arg, &vblank, sizeof(vblank)))
895                                         return -EFAULT;
896                                 return 0;
897                         }
898                 case FBIO_WAITFORVSYNC:
899                         {
900                                 u_int32_t crt;
901
902                                 if (get_user(crt, (u_int32_t *)arg))
903                                         return -EFAULT;
904
905                                 return matroxfb_wait_for_sync(PMINFO crt);
906                         }
907                 case MATROXFB_SET_OUTPUT_MODE:
908                         {
909                                 struct matroxioc_output_mode mom;
910                                 struct matrox_altout *oproc;
911                                 int val;
912
913                                 if (copy_from_user(&mom, (struct matroxioc_output_mode*)arg, sizeof(mom)))
914                                         return -EFAULT;
915                                 if (mom.output >= MATROXFB_MAX_OUTPUTS)
916                                         return -ENXIO;
917                                 down_read(&ACCESS_FBINFO(altout.lock));
918                                 oproc = ACCESS_FBINFO(outputs[mom.output]).output;
919                                 if (!oproc) {
920                                         val = -ENXIO;
921                                 } else if (!oproc->verifymode) {
922                                         if (mom.mode == MATROXFB_OUTPUT_MODE_MONITOR) {
923                                                 val = 0;
924                                         } else {
925                                                 val = -EINVAL;
926                                         }
927                                 } else {
928                                         val = oproc->verifymode(ACCESS_FBINFO(outputs[mom.output]).data, mom.mode);
929                                 }
930                                 if (!val) {
931                                         if (ACCESS_FBINFO(outputs[mom.output]).mode != mom.mode) {
932                                                 ACCESS_FBINFO(outputs[mom.output]).mode = mom.mode;
933                                                 val = 1;
934                                         }
935                                 }
936                                 up_read(&ACCESS_FBINFO(altout.lock));
937                                 if (val != 1)
938                                         return val;
939                                 switch (ACCESS_FBINFO(outputs[mom.output]).src) {
940                                         case MATROXFB_SRC_CRTC1:
941                                                 matroxfb_set_par(info);
942                                                 break;
943                                         case MATROXFB_SRC_CRTC2:
944                                                 {
945                                                         struct matroxfb_dh_fb_info* crtc2;
946
947                                                         down_read(&ACCESS_FBINFO(crtc2.lock));
948                                                         crtc2 = ACCESS_FBINFO(crtc2.info);
949                                                         if (crtc2)
950                                                                 crtc2->fbcon.fbops->fb_set_par(&crtc2->fbcon);
951                                                         up_read(&ACCESS_FBINFO(crtc2.lock));
952                                                 }
953                                                 break;
954                                 }
955                                 return 0;
956                         }
957                 case MATROXFB_GET_OUTPUT_MODE:
958                         {
959                                 struct matroxioc_output_mode mom;
960                                 struct matrox_altout *oproc;
961                                 int val;
962
963                                 if (copy_from_user(&mom, (struct matroxioc_output_mode*)arg, sizeof(mom)))
964                                         return -EFAULT;
965                                 if (mom.output >= MATROXFB_MAX_OUTPUTS)
966                                         return -ENXIO;
967                                 down_read(&ACCESS_FBINFO(altout.lock));
968                                 oproc = ACCESS_FBINFO(outputs[mom.output]).output;
969                                 if (!oproc) {
970                                         val = -ENXIO;
971                                 } else {
972                                         mom.mode = ACCESS_FBINFO(outputs[mom.output]).mode;
973                                         val = 0;
974                                 }
975                                 up_read(&ACCESS_FBINFO(altout.lock));
976                                 if (val)
977                                         return val;
978                                 if (copy_to_user((struct matroxioc_output_mode*)arg, &mom, sizeof(mom)))
979                                         return -EFAULT;
980                                 return 0;
981                         }
982                 case MATROXFB_SET_OUTPUT_CONNECTION:
983                         {
984                                 u_int32_t tmp;
985                                 int i;
986                                 int changes;
987
988                                 if (copy_from_user(&tmp, (u_int32_t*)arg, sizeof(tmp)))
989                                         return -EFAULT;
990                                 for (i = 0; i < 32; i++) {
991                                         if (tmp & (1 << i)) {
992                                                 if (i >= MATROXFB_MAX_OUTPUTS)
993                                                         return -ENXIO;
994                                                 if (!ACCESS_FBINFO(outputs[i]).output)
995                                                         return -ENXIO;
996                                                 switch (ACCESS_FBINFO(outputs[i]).src) {
997                                                         case MATROXFB_SRC_NONE:
998                                                         case MATROXFB_SRC_CRTC1:
999                                                                 break;
1000                                                         default:
1001                                                                 return -EBUSY;
1002                                                 }
1003                                         }
1004                                 }
1005                                 if (ACCESS_FBINFO(devflags.panellink)) {
1006                                         if (tmp & MATROXFB_OUTPUT_CONN_DFP) {
1007                                                 if (tmp & MATROXFB_OUTPUT_CONN_SECONDARY)
1008                                                         return -EINVAL;
1009                                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1010                                                         if (ACCESS_FBINFO(outputs[i]).src == MATROXFB_SRC_CRTC2) {
1011                                                                 return -EBUSY;
1012                                                         }
1013                                                 }
1014                                         }
1015                                 }
1016                                 changes = 0;
1017                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1018                                         if (tmp & (1 << i)) {
1019                                                 if (ACCESS_FBINFO(outputs[i]).src != MATROXFB_SRC_CRTC1) {
1020                                                         changes = 1;
1021                                                         ACCESS_FBINFO(outputs[i]).src = MATROXFB_SRC_CRTC1;
1022                                                 }
1023                                         } else if (ACCESS_FBINFO(outputs[i]).src == MATROXFB_SRC_CRTC1) {
1024                                                 changes = 1;
1025                                                 ACCESS_FBINFO(outputs[i]).src = MATROXFB_SRC_NONE;
1026                                         }
1027                                 }
1028                                 if (!changes)
1029                                         return 0;
1030                                 matroxfb_set_par(info);
1031                                 return 0;
1032                         }
1033                 case MATROXFB_GET_OUTPUT_CONNECTION:
1034                         {
1035                                 u_int32_t conn = 0;
1036                                 int i;
1037
1038                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1039                                         if (ACCESS_FBINFO(outputs[i]).src == MATROXFB_SRC_CRTC1) {
1040                                                 conn |= 1 << i;
1041                                         }
1042                                 }
1043                                 if (put_user(conn, (u_int32_t*)arg))
1044                                         return -EFAULT;
1045                                 return 0;
1046                         }
1047                 case MATROXFB_GET_AVAILABLE_OUTPUTS:
1048                         {
1049                                 u_int32_t conn = 0;
1050                                 int i;
1051
1052                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1053                                         if (ACCESS_FBINFO(outputs[i]).output) {
1054                                                 switch (ACCESS_FBINFO(outputs[i]).src) {
1055                                                         case MATROXFB_SRC_NONE:
1056                                                         case MATROXFB_SRC_CRTC1:
1057                                                                 conn |= 1 << i;
1058                                                                 break;
1059                                                 }
1060                                         }
1061                                 }
1062                                 if (ACCESS_FBINFO(devflags.panellink)) {
1063                                         if (conn & MATROXFB_OUTPUT_CONN_DFP)
1064                                                 conn &= ~MATROXFB_OUTPUT_CONN_SECONDARY;
1065                                         if (conn & MATROXFB_OUTPUT_CONN_SECONDARY)
1066                                                 conn &= ~MATROXFB_OUTPUT_CONN_DFP;
1067                                 }
1068                                 if (put_user(conn, (u_int32_t*)arg))
1069                                         return -EFAULT;
1070                                 return 0;
1071                         }
1072                 case MATROXFB_GET_ALL_OUTPUTS:
1073                         {
1074                                 u_int32_t conn = 0;
1075                                 int i;
1076
1077                                 for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1078                                         if (ACCESS_FBINFO(outputs[i]).output) {
1079                                                 conn |= 1 << i;
1080                                         }
1081                                 }
1082                                 if (put_user(conn, (u_int32_t*)arg))
1083                                         return -EFAULT;
1084                                 return 0;
1085                         }
1086                 case VIDIOC_QUERYCAP:
1087                         {
1088                                 struct v4l2_capability r;
1089                                 
1090                                 memset(&r, 0, sizeof(r));
1091                                 strcpy(r.driver, "matroxfb");
1092                                 strcpy(r.card, "Matrox");
1093                                 sprintf(r.bus_info, "PCI:%s", pci_name(ACCESS_FBINFO(pcidev)));
1094                                 r.version = KERNEL_VERSION(1,0,0);
1095                                 r.capabilities = V4L2_CAP_VIDEO_OUTPUT;
1096                                 if (copy_to_user((void*)arg, &r, sizeof(r)))
1097                                         return -EFAULT;
1098                                 return 0;
1099                                 
1100                         }
1101                 case VIDIOC_QUERYCTRL:
1102                         {
1103                                 struct v4l2_queryctrl qctrl;
1104                                 int err;
1105
1106                                 if (copy_from_user(&qctrl, (struct v4l2_queryctrl*)arg, sizeof(qctrl)))
1107                                         return -EFAULT;
1108
1109                                 down_read(&ACCESS_FBINFO(altout).lock);
1110                                 if (!ACCESS_FBINFO(outputs[1]).output) {
1111                                         err = -ENXIO;
1112                                 } else if (ACCESS_FBINFO(outputs[1]).output->getqueryctrl) {
1113                                         err = ACCESS_FBINFO(outputs[1]).output->getqueryctrl(ACCESS_FBINFO(outputs[1]).data, &qctrl);
1114                                 } else {
1115                                         err = -EINVAL;
1116                                 }
1117                                 up_read(&ACCESS_FBINFO(altout).lock);
1118                                 if (err >= 0 &&
1119                                     copy_to_user((struct v4l2_queryctrl*)arg, &qctrl, sizeof(qctrl)))
1120                                         return -EFAULT;
1121                                 return err;
1122                         }
1123                 case VIDIOC_G_CTRL:
1124                         {
1125                                 struct v4l2_control ctrl;
1126                                 int err;
1127
1128                                 if (copy_from_user(&ctrl, (struct v4l2_control*)arg, sizeof(ctrl)))
1129                                         return -EFAULT;
1130
1131                                 down_read(&ACCESS_FBINFO(altout).lock);
1132                                 if (!ACCESS_FBINFO(outputs[1]).output) {
1133                                         err = -ENXIO;
1134                                 } else if (ACCESS_FBINFO(outputs[1]).output->getctrl) {
1135                                         err = ACCESS_FBINFO(outputs[1]).output->getctrl(ACCESS_FBINFO(outputs[1]).data, &ctrl);
1136                                 } else {
1137                                         err = -EINVAL;
1138                                 }
1139                                 up_read(&ACCESS_FBINFO(altout).lock);
1140                                 if (err >= 0 &&
1141                                     copy_to_user((struct v4l2_control*)arg, &ctrl, sizeof(ctrl)))
1142                                         return -EFAULT;
1143                                 return err;
1144                         }
1145                 case VIDIOC_S_CTRL:
1146                         {
1147                                 struct v4l2_control ctrl;
1148                                 int err;
1149
1150                                 if (copy_from_user(&ctrl, (struct v4l2_control*)arg, sizeof(ctrl)))
1151                                         return -EFAULT;
1152
1153                                 down_read(&ACCESS_FBINFO(altout).lock);
1154                                 if (!ACCESS_FBINFO(outputs[1]).output) {
1155                                         err = -ENXIO;
1156                                 } else if (ACCESS_FBINFO(outputs[1]).output->setctrl) {
1157                                         err = ACCESS_FBINFO(outputs[1]).output->setctrl(ACCESS_FBINFO(outputs[1]).data, &ctrl);
1158                                 } else {
1159                                         err = -EINVAL;
1160                                 }
1161                                 up_read(&ACCESS_FBINFO(altout).lock);
1162                                 return err;
1163                         }
1164         }
1165         return -ENOTTY;
1166 }
1167
1168 /* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */
1169
1170 static int matroxfb_blank(int blank, struct fb_info *info)
1171 {
1172         int seq;
1173         int crtc;
1174         CRITFLAGS
1175         MINFO_FROM_INFO(info);
1176
1177         DBG(__FUNCTION__)
1178
1179         if (ACCESS_FBINFO(dead))
1180                 return 1;
1181
1182         switch (blank) {
1183                 case 1:  seq = 0x20; crtc = 0x00; break; /* works ??? */
1184                 case 2:  seq = 0x20; crtc = 0x10; break;
1185                 case 3:  seq = 0x20; crtc = 0x20; break;
1186                 case 4:  seq = 0x20; crtc = 0x30; break;
1187                 default: seq = 0x00; crtc = 0x00; break;
1188         }
1189
1190         CRITBEGIN
1191
1192         mga_outb(M_SEQ_INDEX, 1);
1193         mga_outb(M_SEQ_DATA, (mga_inb(M_SEQ_DATA) & ~0x20) | seq);
1194         mga_outb(M_EXTVGA_INDEX, 1);
1195         mga_outb(M_EXTVGA_DATA, (mga_inb(M_EXTVGA_DATA) & ~0x30) | crtc);
1196
1197         CRITEND
1198         return 0;
1199 }
1200
1201 static struct fb_ops matroxfb_ops = {
1202         .owner =        THIS_MODULE,
1203         .fb_open =      matroxfb_open,
1204         .fb_release =   matroxfb_release,
1205         .fb_check_var = matroxfb_check_var,
1206         .fb_set_par =   matroxfb_set_par,
1207         .fb_setcolreg = matroxfb_setcolreg,
1208         .fb_pan_display =matroxfb_pan_display,
1209         .fb_blank =     matroxfb_blank,
1210         .fb_ioctl =     matroxfb_ioctl,
1211 /*      .fb_fillrect =  <set by matrox_cfbX_init>, */
1212 /*      .fb_copyarea =  <set by matrox_cfbX_init>, */
1213 /*      .fb_imageblit = <set by matrox_cfbX_init>, */
1214 /*      .fb_cursor =    <set by matrox_cfbX_init>, */
1215 };
1216
1217 #define RSDepth(X)      (((X) >> 8) & 0x0F)
1218 #define RS8bpp          0x1
1219 #define RS15bpp         0x2
1220 #define RS16bpp         0x3
1221 #define RS32bpp         0x4
1222 #define RS4bpp          0x5
1223 #define RS24bpp         0x6
1224 #define RSText          0x7
1225 #define RSText8         0x8
1226 /* 9-F */
1227 static struct { struct fb_bitfield red, green, blue, transp; int bits_per_pixel; } colors[] = {
1228         { {  0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, {  0, 0, 0},  8 },
1229         { { 10, 5, 0}, { 5, 5, 0}, { 0, 5, 0}, { 15, 1, 0}, 16 },
1230         { { 11, 5, 0}, { 5, 6, 0}, { 0, 5, 0}, {  0, 0, 0}, 16 },
1231         { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, { 24, 8, 0}, 32 },
1232         { {  0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, {  0, 0, 0},  4 },
1233         { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, {  0, 0, 0}, 24 },
1234         { {  0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, {  0, 0, 0},  0 },       /* textmode with (default) VGA8x16 */
1235         { {  0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, {  0, 0, 0},  0 },       /* textmode hardwired to VGA8x8 */
1236 };
1237
1238 /* initialized by setup, see explanation at end of file (search for MODULE_PARM_DESC) */
1239 static unsigned int mem;                /* "matrox:mem:xxxxxM" */
1240 static int option_precise_width = 1;    /* cannot be changed, option_precise_width==0 must imply noaccel */
1241 static int inv24;                       /* "matrox:inv24" */
1242 static int cross4MB = -1;               /* "matrox:cross4MB" */
1243 static int disabled;                    /* "matrox:disabled" */
1244 static int noaccel;                     /* "matrox:noaccel" */
1245 static int nopan;                       /* "matrox:nopan" */
1246 static int no_pci_retry;                /* "matrox:nopciretry" */
1247 static int novga;                       /* "matrox:novga" */
1248 static int nobios;                      /* "matrox:nobios" */
1249 static int noinit = 1;                  /* "matrox:init" */
1250 static int inverse;                     /* "matrox:inverse" */
1251 static int sgram;                       /* "matrox:sgram" */
1252 #ifdef CONFIG_MTRR
1253 static int mtrr = 1;                    /* "matrox:nomtrr" */
1254 #endif
1255 static int grayscale;                   /* "matrox:grayscale" */
1256 static int dev = -1;                    /* "matrox:dev:xxxxx" */
1257 static unsigned int vesa = ~0;          /* "matrox:vesa:xxxxx" */
1258 static int depth = -1;                  /* "matrox:depth:xxxxx" */
1259 static unsigned int xres;               /* "matrox:xres:xxxxx" */
1260 static unsigned int yres;               /* "matrox:yres:xxxxx" */
1261 static unsigned int upper = ~0;         /* "matrox:upper:xxxxx" */
1262 static unsigned int lower = ~0;         /* "matrox:lower:xxxxx" */
1263 static unsigned int vslen;              /* "matrox:vslen:xxxxx" */
1264 static unsigned int left = ~0;          /* "matrox:left:xxxxx" */
1265 static unsigned int right = ~0;         /* "matrox:right:xxxxx" */
1266 static unsigned int hslen;              /* "matrox:hslen:xxxxx" */
1267 static unsigned int pixclock;           /* "matrox:pixclock:xxxxx" */
1268 static int sync = -1;                   /* "matrox:sync:xxxxx" */
1269 static unsigned int fv;                 /* "matrox:fv:xxxxx" */
1270 static unsigned int fh;                 /* "matrox:fh:xxxxxk" */
1271 static unsigned int maxclk;             /* "matrox:maxclk:xxxxM" */
1272 static int dfp;                         /* "matrox:dfp */
1273 static int dfp_type = -1;               /* "matrox:dfp:xxx */
1274 static int memtype = -1;                /* "matrox:memtype:xxx" */
1275 static char outputs[8];                 /* "matrox:outputs:xxx" */
1276
1277 #ifndef MODULE
1278 static char videomode[64];              /* "matrox:mode:xxxxx" or "matrox:xxxxx" */
1279 #endif
1280
1281 static int matroxfb_getmemory(WPMINFO unsigned int maxSize, unsigned int *realSize){
1282         vaddr_t vm;
1283         unsigned int offs;
1284         unsigned int offs2;
1285         unsigned char store;
1286         unsigned char bytes[32];
1287         unsigned char* tmp;
1288
1289         DBG(__FUNCTION__)
1290
1291         vm = ACCESS_FBINFO(video.vbase);
1292         maxSize &= ~0x1FFFFF;   /* must be X*2MB (really it must be 2 or X*4MB) */
1293         /* at least 2MB */
1294         if (maxSize < 0x0200000) return 0;
1295         if (maxSize > 0x2000000) maxSize = 0x2000000;
1296
1297         mga_outb(M_EXTVGA_INDEX, 0x03);
1298         mga_outb(M_EXTVGA_DATA, mga_inb(M_EXTVGA_DATA) | 0x80);
1299
1300         store = mga_readb(vm, 0x1234);
1301         tmp = bytes;
1302         for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1303                 *tmp++ = mga_readb(vm, offs);
1304         for (offs = 0x100000; offs < maxSize; offs += 0x200000)
1305                 mga_writeb(vm, offs, 0x02);
1306         if (ACCESS_FBINFO(features.accel.has_cacheflush))
1307                 mga_outb(M_CACHEFLUSH, 0x00);
1308         else
1309                 mga_writeb(vm, 0x1234, 0x99);
1310         for (offs = 0x100000; offs < maxSize; offs += 0x200000) {
1311                 if (mga_readb(vm, offs) != 0x02)
1312                         break;
1313                 mga_writeb(vm, offs, mga_readb(vm, offs) - 0x02);
1314                 if (mga_readb(vm, offs))
1315                         break;
1316         }
1317         tmp = bytes;
1318         for (offs2 = 0x100000; offs2 < maxSize; offs2 += 0x200000)
1319                 mga_writeb(vm, offs2, *tmp++);
1320         mga_writeb(vm, 0x1234, store);
1321
1322         mga_outb(M_EXTVGA_INDEX, 0x03);
1323         mga_outb(M_EXTVGA_DATA, mga_inb(M_EXTVGA_DATA) & ~0x80);
1324
1325         *realSize = offs - 0x100000;
1326 #ifdef CONFIG_FB_MATROX_MILLENIUM
1327         ACCESS_FBINFO(interleave) = !(!isMillenium(MINFO) || ((offs - 0x100000) & 0x3FFFFF));
1328 #endif
1329         return 1;
1330 }
1331
1332 struct video_board {
1333         int maxvram;
1334         int maxdisplayable;
1335         int accelID;
1336         struct matrox_switch* lowlevel;
1337                  };
1338 #ifdef CONFIG_FB_MATROX_MILLENIUM
1339 static struct video_board vbMillennium          = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGA2064W,      &matrox_millennium};
1340 static struct video_board vbMillennium2         = {0x1000000, 0x0800000, FB_ACCEL_MATROX_MGA2164W,      &matrox_millennium};
1341 static struct video_board vbMillennium2A        = {0x1000000, 0x0800000, FB_ACCEL_MATROX_MGA2164W_AGP,  &matrox_millennium};
1342 #endif  /* CONFIG_FB_MATROX_MILLENIUM */
1343 #ifdef CONFIG_FB_MATROX_MYSTIQUE
1344 static struct video_board vbMystique            = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGA1064SG,     &matrox_mystique};
1345 #endif  /* CONFIG_FB_MATROX_MYSTIQUE */
1346 #ifdef CONFIG_FB_MATROX_G100
1347 static struct video_board vbG100                = {0x0800000, 0x0800000, FB_ACCEL_MATROX_MGAG100,       &matrox_G100};
1348 static struct video_board vbG200                = {0x1000000, 0x1000000, FB_ACCEL_MATROX_MGAG200,       &matrox_G100};
1349 #ifdef CONFIG_FB_MATROX_32MB
1350 /* from doc it looks like that accelerator can draw only to low 16MB :-( Direct accesses & displaying are OK for
1351    whole 32MB */
1352 static struct video_board vbG400                = {0x2000000, 0x1000000, FB_ACCEL_MATROX_MGAG400,       &matrox_G100};
1353 #else
1354 static struct video_board vbG400                = {0x2000000, 0x1000000, FB_ACCEL_MATROX_MGAG400,       &matrox_G100};
1355 #endif
1356 #endif
1357
1358 #define DEVF_VIDEO64BIT         0x0001
1359 #define DEVF_SWAPS              0x0002
1360 #define DEVF_SRCORG             0x0004
1361 #define DEVF_DUALHEAD           0x0008
1362 #define DEVF_CROSS4MB           0x0010
1363 #define DEVF_TEXT4B             0x0020
1364 /* #define DEVF_recycled        0x0040  */
1365 /* #define DEVF_recycled        0x0080  */
1366 #define DEVF_SUPPORT32MB        0x0100
1367 #define DEVF_ANY_VXRES          0x0200
1368 #define DEVF_TEXT16B            0x0400
1369 #define DEVF_CRTC2              0x0800
1370 #define DEVF_MAVEN_CAPABLE      0x1000
1371 #define DEVF_PANELLINK_CAPABLE  0x2000
1372 #define DEVF_G450DAC            0x4000
1373
1374 #define DEVF_GCORE      (DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB)
1375 #define DEVF_G2CORE     (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_MAVEN_CAPABLE | DEVF_PANELLINK_CAPABLE | DEVF_SRCORG | DEVF_DUALHEAD)
1376 #define DEVF_G100       (DEVF_GCORE) /* no doc, no vxres... */
1377 #define DEVF_G200       (DEVF_G2CORE)
1378 #define DEVF_G400       (DEVF_G2CORE | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2)
1379 /* if you'll find how to drive DFP... */
1380 #define DEVF_G450       (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2 | DEVF_G450DAC | DEVF_SRCORG | DEVF_DUALHEAD)
1381 #define DEVF_G550       (DEVF_G450)
1382
1383 static struct board {
1384         unsigned short vendor, device, rev, svid, sid;
1385         unsigned int flags;
1386         unsigned int maxclk;
1387         enum mga_chip chip;
1388         struct video_board* base;
1389         const char* name;
1390                 } dev_list[] = {
1391 #ifdef CONFIG_FB_MATROX_MILLENIUM
1392         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL,       0xFF,
1393                 0,                      0,
1394                 DEVF_TEXT4B,
1395                 230000,
1396                 MGA_2064,
1397                 &vbMillennium,
1398                 "Millennium (PCI)"},
1399         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2,     0xFF,
1400                 0,                      0,
1401                 DEVF_SWAPS,
1402                 220000,
1403                 MGA_2164,
1404                 &vbMillennium2,
1405                 "Millennium II (PCI)"},
1406         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2_AGP, 0xFF,
1407                 0,                      0,
1408                 DEVF_SWAPS,
1409                 250000,
1410                 MGA_2164,
1411                 &vbMillennium2A,
1412                 "Millennium II (AGP)"},
1413 #endif
1414 #ifdef CONFIG_FB_MATROX_MYSTIQUE
1415         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,       0x02,
1416                 0,                      0,
1417                 DEVF_VIDEO64BIT | DEVF_CROSS4MB,
1418                 180000,
1419                 MGA_1064,
1420                 &vbMystique,
1421                 "Mystique (PCI)"},
1422         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,       0xFF,
1423                 0,                      0,
1424                 DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB,
1425                 220000,
1426                 MGA_1164,
1427                 &vbMystique,
1428                 "Mystique 220 (PCI)"},
1429 #endif
1430 #ifdef CONFIG_FB_MATROX_G100
1431         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_MM,   0xFF,
1432                 0,                      0,
1433                 DEVF_G100,
1434                 230000,
1435                 MGA_G100,
1436                 &vbG100,
1437                 "MGA-G100 (PCI)"},
1438         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_AGP,  0xFF,
1439                 0,                      0,
1440                 DEVF_G100,
1441                 230000,
1442                 MGA_G100,
1443                 &vbG100,
1444                 "MGA-G100 (AGP)"},
1445         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_PCI,  0xFF,
1446                 0,                      0,
1447                 DEVF_G200,
1448                 250000,
1449                 MGA_G200,
1450                 &vbG200,
1451                 "MGA-G200 (PCI)"},
1452         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1453                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_GENERIC,
1454                 DEVF_G200,
1455                 220000,
1456                 MGA_G200,
1457                 &vbG200,
1458                 "MGA-G200 (AGP)"},
1459         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1460                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MYSTIQUE_G200_AGP,
1461                 DEVF_G200,
1462                 230000,
1463                 MGA_G200,
1464                 &vbG200,
1465                 "Mystique G200 (AGP)"},
1466         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1467                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MILLENIUM_G200_AGP,
1468                 DEVF_G200,
1469                 250000,
1470                 MGA_G200,
1471                 &vbG200,
1472                 "Millennium G200 (AGP)"},
1473         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1474                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MARVEL_G200_AGP,
1475                 DEVF_G200,
1476                 230000,
1477                 MGA_G200,
1478                 &vbG200,
1479                 "Marvel G200 (AGP)"},
1480         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1481                 PCI_SS_VENDOR_ID_SIEMENS_NIXDORF,       PCI_SS_ID_SIEMENS_MGA_G200_AGP,
1482                 DEVF_G200,
1483                 230000,
1484                 MGA_G200,
1485                 &vbG200,
1486                 "MGA-G200 (AGP)"},
1487         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,  0xFF,
1488                 0,                      0,
1489                 DEVF_G200,
1490                 230000,
1491                 MGA_G200,
1492                 &vbG200,
1493                 "G200 (AGP)"},
1494         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0x80,
1495                 PCI_SS_VENDOR_ID_MATROX,        PCI_SS_ID_MATROX_MILLENNIUM_G400_MAX_AGP,
1496                 DEVF_G400,
1497                 360000,
1498                 MGA_G400,
1499                 &vbG400,
1500                 "Millennium G400 MAX (AGP)"},
1501         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0x80,
1502                 0,                      0,
1503                 DEVF_G400,
1504                 300000,
1505                 MGA_G400,
1506                 &vbG400,
1507                 "G400 (AGP)"},
1508         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,      0xFF,
1509                 0,                      0,
1510                 DEVF_G450,
1511                 360000,
1512                 MGA_G450,
1513                 &vbG400,
1514                 "G450"},
1515         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G550,      0xFF,
1516                 0,                      0,
1517                 DEVF_G550,
1518                 360000,
1519                 MGA_G550,
1520                 &vbG400,
1521                 "G550"},
1522 #endif
1523         {0,                     0,                              0xFF,
1524                 0,                      0,
1525                 0,
1526                 0,
1527                 0,
1528                 NULL,
1529                 NULL}};
1530
1531 #ifndef MODULE
1532 static struct fb_videomode defaultmode = {
1533         /* 640x480 @ 60Hz, 31.5 kHz */
1534         NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2,
1535         0, FB_VMODE_NONINTERLACED
1536 };
1537 #endif /* !MODULE */
1538
1539 static int hotplug = 0;
1540
1541 static void setDefaultOutputs(WPMINFO2) {
1542         unsigned int i;
1543         const char* ptr;
1544
1545         ACCESS_FBINFO(outputs[0]).default_src = MATROXFB_SRC_CRTC1;
1546         if (ACCESS_FBINFO(devflags.g450dac)) {
1547                 ACCESS_FBINFO(outputs[1]).default_src = MATROXFB_SRC_CRTC1;
1548                 ACCESS_FBINFO(outputs[2]).default_src = MATROXFB_SRC_CRTC1;
1549         } else if (dfp) {
1550                 ACCESS_FBINFO(outputs[2]).default_src = MATROXFB_SRC_CRTC1;
1551         }
1552         ptr = outputs;
1553         for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) {
1554                 char c = *ptr++;
1555
1556                 if (c == 0) {
1557                         break;
1558                 }
1559                 if (c == '0') {
1560                         ACCESS_FBINFO(outputs[i]).default_src = MATROXFB_SRC_NONE;
1561                 } else if (c == '1') {
1562                         ACCESS_FBINFO(outputs[i]).default_src = MATROXFB_SRC_CRTC1;
1563                 } else if (c == '2' && ACCESS_FBINFO(devflags.crtc2)) {
1564                         ACCESS_FBINFO(outputs[i]).default_src = MATROXFB_SRC_CRTC2;
1565                 } else {
1566                         printk(KERN_ERR "matroxfb: Unknown outputs setting\n");
1567                         break;
1568                 }
1569         }
1570         /* Nullify this option for subsequent adapters */
1571         outputs[0] = 0;
1572 }
1573
1574 static int initMatrox2(WPMINFO struct board* b){
1575         unsigned long ctrlptr_phys = 0;
1576         unsigned long video_base_phys = 0;
1577         unsigned int memsize;
1578         int err;
1579
1580         DBG(__FUNCTION__)
1581
1582         /* set default values... */
1583         vesafb_defined.accel_flags = FB_ACCELF_TEXT;
1584
1585         ACCESS_FBINFO(hw_switch) = b->base->lowlevel;
1586         ACCESS_FBINFO(devflags.accelerator) = b->base->accelID;
1587         ACCESS_FBINFO(max_pixel_clock) = b->maxclk;
1588
1589         printk(KERN_INFO "matroxfb: Matrox %s detected\n", b->name);
1590         ACCESS_FBINFO(capable.plnwt) = 1;
1591         ACCESS_FBINFO(chip) = b->chip;
1592         ACCESS_FBINFO(capable.srcorg) = b->flags & DEVF_SRCORG;
1593         ACCESS_FBINFO(devflags.video64bits) = b->flags & DEVF_VIDEO64BIT;
1594         if (b->flags & DEVF_TEXT4B) {
1595                 ACCESS_FBINFO(devflags.vgastep) = 4;
1596                 ACCESS_FBINFO(devflags.textmode) = 4;
1597                 ACCESS_FBINFO(devflags.text_type_aux) = FB_AUX_TEXT_MGA_STEP16;
1598         } else if (b->flags & DEVF_TEXT16B) {
1599                 ACCESS_FBINFO(devflags.vgastep) = 16;
1600                 ACCESS_FBINFO(devflags.textmode) = 1;
1601                 ACCESS_FBINFO(devflags.text_type_aux) = FB_AUX_TEXT_MGA_STEP16;
1602         } else {
1603                 ACCESS_FBINFO(devflags.vgastep) = 8;
1604                 ACCESS_FBINFO(devflags.textmode) = 1;
1605                 ACCESS_FBINFO(devflags.text_type_aux) = FB_AUX_TEXT_MGA_STEP8;
1606         }
1607 #ifdef CONFIG_FB_MATROX_32MB
1608         ACCESS_FBINFO(devflags.support32MB) = (b->flags & DEVF_SUPPORT32MB) != 0;
1609 #endif
1610         ACCESS_FBINFO(devflags.precise_width) = !(b->flags & DEVF_ANY_VXRES);
1611         ACCESS_FBINFO(devflags.crtc2) = (b->flags & DEVF_CRTC2) != 0;
1612         ACCESS_FBINFO(devflags.maven_capable) = (b->flags & DEVF_MAVEN_CAPABLE) != 0;
1613         ACCESS_FBINFO(devflags.dualhead) = (b->flags & DEVF_DUALHEAD) != 0;
1614         ACCESS_FBINFO(devflags.dfp_type) = dfp_type;
1615         ACCESS_FBINFO(devflags.g450dac) = (b->flags & DEVF_G450DAC) != 0;
1616         ACCESS_FBINFO(devflags.textstep) = ACCESS_FBINFO(devflags.vgastep) * ACCESS_FBINFO(devflags.textmode);
1617         ACCESS_FBINFO(devflags.textvram) = 65536 / ACCESS_FBINFO(devflags.textmode);
1618         setDefaultOutputs(PMINFO2);
1619         if (b->flags & DEVF_PANELLINK_CAPABLE) {
1620                 ACCESS_FBINFO(outputs[2]).data = MINFO;
1621                 ACCESS_FBINFO(outputs[2]).output = &panellink_output;
1622                 ACCESS_FBINFO(outputs[2]).src = ACCESS_FBINFO(outputs[2]).default_src;
1623                 ACCESS_FBINFO(outputs[2]).mode = MATROXFB_OUTPUT_MODE_MONITOR;
1624                 ACCESS_FBINFO(devflags.panellink) = 1;
1625         }
1626
1627         if (ACCESS_FBINFO(capable.cross4MB) < 0)
1628                 ACCESS_FBINFO(capable.cross4MB) = b->flags & DEVF_CROSS4MB;
1629         if (b->flags & DEVF_SWAPS) {
1630                 ctrlptr_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 1);
1631                 video_base_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 0);
1632                 ACCESS_FBINFO(devflags.fbResource) = PCI_BASE_ADDRESS_0;
1633         } else {
1634                 ctrlptr_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 0);
1635                 video_base_phys = pci_resource_start(ACCESS_FBINFO(pcidev), 1);
1636                 ACCESS_FBINFO(devflags.fbResource) = PCI_BASE_ADDRESS_1;
1637         }
1638         err = -EINVAL;
1639         if (!ctrlptr_phys) {
1640                 printk(KERN_ERR "matroxfb: control registers are not available, matroxfb disabled\n");
1641                 goto fail;
1642         }
1643         if (!video_base_phys) {
1644                 printk(KERN_ERR "matroxfb: video RAM is not available in PCI address space, matroxfb disabled\n");
1645                 goto fail;
1646         }
1647         memsize = b->base->maxvram;
1648         if (!request_mem_region(ctrlptr_phys, 16384, "matroxfb MMIO")) {
1649                 goto fail;
1650         }
1651         if (!request_mem_region(video_base_phys, memsize, "matroxfb FB")) {
1652                 goto failCtrlMR;
1653         }
1654         ACCESS_FBINFO(video.len_maximum) = memsize;
1655         /* convert mem (autodetect k, M) */
1656         if (mem < 1024) mem *= 1024;
1657         if (mem < 0x00100000) mem *= 1024;
1658
1659         if (mem && (mem < memsize))
1660                 memsize = mem;
1661         err = -ENOMEM;
1662         if (mga_ioremap(ctrlptr_phys, 16384, MGA_IOREMAP_MMIO, &ACCESS_FBINFO(mmio.vbase))) {
1663                 printk(KERN_ERR "matroxfb: cannot ioremap(%lX, 16384), matroxfb disabled\n", ctrlptr_phys);
1664                 goto failVideoMR;
1665         }
1666         ACCESS_FBINFO(mmio.base) = ctrlptr_phys;
1667         ACCESS_FBINFO(mmio.len) = 16384;
1668         ACCESS_FBINFO(video.base) = video_base_phys;
1669         if (mga_ioremap(video_base_phys, memsize, MGA_IOREMAP_FB, &ACCESS_FBINFO(video.vbase))) {
1670                 printk(KERN_ERR "matroxfb: cannot ioremap(%lX, %d), matroxfb disabled\n",
1671                         video_base_phys, memsize);
1672                 goto failCtrlIO;
1673         }
1674         {
1675                 u_int32_t cmd;
1676                 u_int32_t mga_option;
1677
1678                 pci_read_config_dword(ACCESS_FBINFO(pcidev), PCI_OPTION_REG, &mga_option);
1679                 pci_read_config_dword(ACCESS_FBINFO(pcidev), PCI_COMMAND, &cmd);
1680                 mga_option &= 0x7FFFFFFF; /* clear BIG_ENDIAN */
1681                 mga_option |= MX_OPTION_BSWAP;
1682                 /* disable palette snooping */
1683                 cmd &= ~PCI_COMMAND_VGA_PALETTE;
1684                 if (pci_find_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82437, NULL)) {
1685                         if (!(mga_option & 0x20000000) && !ACCESS_FBINFO(devflags.nopciretry)) {
1686                                 printk(KERN_WARNING "matroxfb: Disabling PCI retries due to i82437 present\n");
1687                         }
1688                         mga_option |= 0x20000000;
1689                         ACCESS_FBINFO(devflags.nopciretry) = 1;
1690                 }
1691                 pci_write_config_dword(ACCESS_FBINFO(pcidev), PCI_COMMAND, cmd);
1692                 pci_write_config_dword(ACCESS_FBINFO(pcidev), PCI_OPTION_REG, mga_option);
1693                 ACCESS_FBINFO(hw).MXoptionReg = mga_option;
1694
1695                 /* select non-DMA memory for PCI_MGA_DATA, otherwise dump of PCI cfg space can lock PCI bus */
1696                 /* maybe preinit() candidate, but it is same... for all devices... at this time... */
1697                 pci_write_config_dword(ACCESS_FBINFO(pcidev), PCI_MGA_INDEX, 0x00003C00);
1698         }
1699
1700         err = -ENXIO;
1701         matroxfb_read_pins(PMINFO2);
1702         if (ACCESS_FBINFO(hw_switch)->preinit(PMINFO2)) {
1703                 goto failVideoIO;
1704         }
1705
1706         err = -ENOMEM;
1707         if (!matroxfb_getmemory(PMINFO memsize, &ACCESS_FBINFO(video.len)) || !ACCESS_FBINFO(video.len)) {
1708                 printk(KERN_ERR "matroxfb: cannot determine memory size\n");
1709                 goto failVideoIO;
1710         }
1711         ACCESS_FBINFO(devflags.ydstorg) = 0;
1712
1713         ACCESS_FBINFO(fbcon.currcon) = -1;
1714         ACCESS_FBINFO(video.base) = video_base_phys;
1715         ACCESS_FBINFO(video.len_usable) = ACCESS_FBINFO(video.len);
1716         if (ACCESS_FBINFO(video.len_usable) > b->base->maxdisplayable)
1717                 ACCESS_FBINFO(video.len_usable) = b->base->maxdisplayable;
1718 #ifdef CONFIG_MTRR
1719         if (mtrr) {
1720                 ACCESS_FBINFO(mtrr.vram) = mtrr_add(video_base_phys, ACCESS_FBINFO(video.len), MTRR_TYPE_WRCOMB, 1);
1721                 ACCESS_FBINFO(mtrr.vram_valid) = 1;
1722                 printk(KERN_INFO "matroxfb: MTRR's turned on\n");
1723         }
1724 #endif  /* CONFIG_MTRR */
1725
1726         if (!ACCESS_FBINFO(devflags.novga))
1727                 request_region(0x3C0, 32, "matrox");
1728         matroxfb_g450_connect(PMINFO2);
1729         ACCESS_FBINFO(hw_switch->reset(PMINFO2));
1730
1731         ACCESS_FBINFO(fbcon.monspecs.hfmin) = 0;
1732         ACCESS_FBINFO(fbcon.monspecs.hfmax) = fh;
1733         ACCESS_FBINFO(fbcon.monspecs.vfmin) = 0;
1734         ACCESS_FBINFO(fbcon.monspecs.vfmax) = fv;
1735         ACCESS_FBINFO(fbcon.monspecs.dpms) = 0; /* TBD */
1736
1737         /* static settings */
1738         vesafb_defined.red = colors[depth-1].red;
1739         vesafb_defined.green = colors[depth-1].green;
1740         vesafb_defined.blue = colors[depth-1].blue;
1741         vesafb_defined.bits_per_pixel = colors[depth-1].bits_per_pixel;
1742         vesafb_defined.grayscale = grayscale;
1743         vesafb_defined.vmode = 0;
1744         if (noaccel)
1745                 vesafb_defined.accel_flags &= ~FB_ACCELF_TEXT;
1746
1747         ACCESS_FBINFO(fbops) = matroxfb_ops;
1748         ACCESS_FBINFO(fbcon.fbops) = &ACCESS_FBINFO(fbops);
1749         ACCESS_FBINFO(fbcon.pseudo_palette) = ACCESS_FBINFO(cmap);
1750         /* after __init time we are like module... no logo */
1751         ACCESS_FBINFO(fbcon.flags) = hotplug ? FBINFO_FLAG_MODULE : FBINFO_FLAG_DEFAULT;
1752         ACCESS_FBINFO(video.len_usable) &= PAGE_MASK;
1753         fb_alloc_cmap(&ACCESS_FBINFO(fbcon.cmap), 256, 1);
1754
1755 #ifndef MODULE
1756         /* mode database is marked __init!!! */
1757         if (!hotplug) {
1758                 fb_find_mode(&vesafb_defined, &ACCESS_FBINFO(fbcon), videomode[0]?videomode:NULL,
1759                         NULL, 0, &defaultmode, vesafb_defined.bits_per_pixel);
1760         }
1761 #endif /* !MODULE */
1762
1763         /* mode modifiers */
1764         if (hslen)
1765                 vesafb_defined.hsync_len = hslen;
1766         if (vslen)
1767                 vesafb_defined.vsync_len = vslen;
1768         if (left != ~0)
1769                 vesafb_defined.left_margin = left;
1770         if (right != ~0)
1771                 vesafb_defined.right_margin = right;
1772         if (upper != ~0)
1773                 vesafb_defined.upper_margin = upper;
1774         if (lower != ~0)
1775                 vesafb_defined.lower_margin = lower;
1776         if (xres)
1777                 vesafb_defined.xres = xres;
1778         if (yres)
1779                 vesafb_defined.yres = yres;
1780         if (sync != -1)
1781                 vesafb_defined.sync = sync;
1782         else if (vesafb_defined.sync == ~0) {
1783                 vesafb_defined.sync = 0;
1784                 if (yres < 400)
1785                         vesafb_defined.sync |= FB_SYNC_HOR_HIGH_ACT;
1786                 else if (yres < 480)
1787                         vesafb_defined.sync |= FB_SYNC_VERT_HIGH_ACT;
1788         }
1789
1790         /* fv, fh, maxclk limits was specified */
1791         {
1792                 unsigned int tmp;
1793
1794                 if (fv) {
1795                         tmp = fv * (vesafb_defined.upper_margin + vesafb_defined.yres
1796                                   + vesafb_defined.lower_margin + vesafb_defined.vsync_len);
1797                         if ((tmp < fh) || (fh == 0)) fh = tmp;
1798                 }
1799                 if (fh) {
1800                         tmp = fh * (vesafb_defined.left_margin + vesafb_defined.xres
1801                                   + vesafb_defined.right_margin + vesafb_defined.hsync_len);
1802                         if ((tmp < maxclk) || (maxclk == 0)) maxclk = tmp;
1803                 }
1804                 tmp = (maxclk + 499) / 500;
1805                 if (tmp) {
1806                         tmp = (2000000000 + tmp) / tmp;
1807                         if (tmp > pixclock) pixclock = tmp;
1808                 }
1809         }
1810         if (pixclock) {
1811                 if (pixclock < 2000)            /* > 500MHz */
1812                         pixclock = 4000;        /* 250MHz */
1813                 if (pixclock > 1000000)
1814                         pixclock = 1000000;     /* 1MHz */
1815                 vesafb_defined.pixclock = pixclock;
1816         }
1817
1818         /* FIXME: Where to move this?! */
1819 #if defined(CONFIG_PPC_PMAC)
1820 #ifndef MODULE
1821         if (_machine == _MACH_Pmac) {
1822                 struct fb_var_screeninfo var;
1823                 if (default_vmode <= 0 || default_vmode > VMODE_MAX)
1824                         default_vmode = VMODE_640_480_60;
1825 #ifdef CONFIG_NVRAM
1826                 if (default_cmode == CMODE_NVRAM)
1827                         default_cmode = nvram_read_byte(NV_CMODE);
1828 #endif
1829                 if (default_cmode < CMODE_8 || default_cmode > CMODE_32)
1830                         default_cmode = CMODE_8;
1831                 if (!mac_vmode_to_var(default_vmode, default_cmode, &var)) {
1832                         var.accel_flags = vesafb_defined.accel_flags;
1833                         var.xoffset = var.yoffset = 0;
1834                         /* Note: mac_vmode_to_var() does not set all parameters */
1835                         vesafb_defined = var;
1836                 }
1837         }
1838 #endif /* !MODULE */
1839 #endif /* CONFIG_PPC_PMAC */
1840         vesafb_defined.xres_virtual = vesafb_defined.xres;
1841         if (nopan) {
1842                 vesafb_defined.yres_virtual = vesafb_defined.yres;
1843         } else {
1844                 vesafb_defined.yres_virtual = 65536; /* large enough to be INF, but small enough
1845                                                         to yres_virtual * xres_virtual < 2^32 */
1846         }
1847         matroxfb_init_fix(PMINFO2);
1848         /* Normalize values (namely yres_virtual) */
1849         matroxfb_check_var(&vesafb_defined, &ACCESS_FBINFO(fbcon));
1850         /* And put it into "current" var. Do NOT program hardware yet, or we'll not take over
1851          * vgacon correctly. fbcon_startup will call fb_set_par for us, WITHOUT check_var,
1852          * and unfortunately it will do it BEFORE vgacon contents is saved, so it won't work
1853          * anyway. But we at least tried... */
1854         ACCESS_FBINFO(fbcon.var) = vesafb_defined;
1855         err = -EINVAL;
1856
1857         printk(KERN_INFO "matroxfb: %dx%dx%dbpp (virtual: %dx%d)\n",
1858                 vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel,
1859                 vesafb_defined.xres_virtual, vesafb_defined.yres_virtual);
1860         printk(KERN_INFO "matroxfb: framebuffer at 0x%lX, mapped to 0x%p, size %d\n",
1861                 ACCESS_FBINFO(video.base), vaddr_va(ACCESS_FBINFO(video.vbase)), ACCESS_FBINFO(video.len));
1862
1863 /* We do not have to set currcon to 0... register_framebuffer do it for us on first console
1864  * and we do not want currcon == 0 for subsequent framebuffers */
1865
1866         if (register_framebuffer(&ACCESS_FBINFO(fbcon)) < 0) {
1867                 goto failVideoIO;
1868         }
1869         printk("fb%d: %s frame buffer device\n",
1870                ACCESS_FBINFO(fbcon.node), ACCESS_FBINFO(fbcon.fix.id));
1871         if (ACCESS_FBINFO(fbcon.currcon) < 0) {
1872                 /* there is no console on this fb... but we have to initialize hardware
1873                  * until someone tells me what is proper thing to do */
1874                 printk(KERN_INFO "fb%d: initializing hardware\n",
1875                         ACCESS_FBINFO(fbcon.node));
1876                 /* We have to use FB_ACTIVATE_FORCE, as we had to put vesafb_defined to the fbcon.var
1877                  * already before, so register_framebuffer works correctly. */
1878                 vesafb_defined.activate |= FB_ACTIVATE_FORCE;
1879                 fb_set_var(&ACCESS_FBINFO(fbcon), &vesafb_defined);
1880         }
1881         return 0;
1882 failVideoIO:;
1883         matroxfb_g450_shutdown(PMINFO2);
1884         mga_iounmap(ACCESS_FBINFO(video.vbase));
1885 failCtrlIO:;
1886         mga_iounmap(ACCESS_FBINFO(mmio.vbase));
1887 failVideoMR:;
1888         release_mem_region(video_base_phys, ACCESS_FBINFO(video.len_maximum));
1889 failCtrlMR:;
1890         release_mem_region(ctrlptr_phys, 16384);
1891 fail:;
1892         return err;
1893 }
1894
1895 LIST_HEAD(matroxfb_list);
1896 LIST_HEAD(matroxfb_driver_list);
1897
1898 #define matroxfb_l(x) list_entry(x, struct matrox_fb_info, next_fb)
1899 #define matroxfb_driver_l(x) list_entry(x, struct matroxfb_driver, node)
1900 int matroxfb_register_driver(struct matroxfb_driver* drv) {
1901         struct matrox_fb_info* minfo;
1902
1903         list_add(&drv->node, &matroxfb_driver_list);
1904         for (minfo = matroxfb_l(matroxfb_list.next);
1905              minfo != matroxfb_l(&matroxfb_list);
1906              minfo = matroxfb_l(minfo->next_fb.next)) {
1907                 void* p;
1908
1909                 if (minfo->drivers_count == MATROXFB_MAX_FB_DRIVERS)
1910                         continue;
1911                 p = drv->probe(minfo);
1912                 if (p) {
1913                         minfo->drivers_data[minfo->drivers_count] = p;
1914                         minfo->drivers[minfo->drivers_count++] = drv;
1915                 }
1916         }
1917         return 0;
1918 }
1919
1920 void matroxfb_unregister_driver(struct matroxfb_driver* drv) {
1921         struct matrox_fb_info* minfo;
1922
1923         list_del(&drv->node);
1924         for (minfo = matroxfb_l(matroxfb_list.next);
1925              minfo != matroxfb_l(&matroxfb_list);
1926              minfo = matroxfb_l(minfo->next_fb.next)) {
1927                 int i;
1928
1929                 for (i = 0; i < minfo->drivers_count; ) {
1930                         if (minfo->drivers[i] == drv) {
1931                                 if (drv && drv->remove)
1932                                         drv->remove(minfo, minfo->drivers_data[i]);
1933                                 minfo->drivers[i] = minfo->drivers[--minfo->drivers_count];
1934                                 minfo->drivers_data[i] = minfo->drivers_data[minfo->drivers_count];
1935                         } else
1936                                 i++;
1937                 }
1938         }
1939 }
1940
1941 static void matroxfb_register_device(struct matrox_fb_info* minfo) {
1942         struct matroxfb_driver* drv;
1943         int i = 0;
1944         list_add(&ACCESS_FBINFO(next_fb), &matroxfb_list);
1945         for (drv = matroxfb_driver_l(matroxfb_driver_list.next);
1946              drv != matroxfb_driver_l(&matroxfb_driver_list);
1947              drv = matroxfb_driver_l(drv->node.next)) {
1948                 if (drv && drv->probe) {
1949                         void *p = drv->probe(minfo);
1950                         if (p) {
1951                                 minfo->drivers_data[i] = p;
1952                                 minfo->drivers[i++] = drv;
1953                                 if (i == MATROXFB_MAX_FB_DRIVERS)
1954                                         break;
1955                         }
1956                 }
1957         }
1958         minfo->drivers_count = i;
1959 }
1960
1961 static void matroxfb_unregister_device(struct matrox_fb_info* minfo) {
1962         int i;
1963
1964         list_del(&ACCESS_FBINFO(next_fb));
1965         for (i = 0; i < minfo->drivers_count; i++) {
1966                 struct matroxfb_driver* drv = minfo->drivers[i];
1967
1968                 if (drv && drv->remove)
1969                         drv->remove(minfo, minfo->drivers_data[i]);
1970         }
1971 }
1972
1973 static int matroxfb_probe(struct pci_dev* pdev, const struct pci_device_id* dummy) {
1974         struct board* b;
1975         u_int8_t rev;
1976         u_int16_t svid;
1977         u_int16_t sid;
1978         struct matrox_fb_info* minfo;
1979         int err;
1980         u_int32_t cmd;
1981 #ifndef CONFIG_FB_MATROX_MULTIHEAD
1982         static int registered = 0;
1983 #endif
1984         DBG(__FUNCTION__)
1985
1986         pci_read_config_byte(pdev, PCI_REVISION_ID, &rev);
1987         svid = pdev->subsystem_vendor;
1988         sid = pdev->subsystem_device;
1989         for (b = dev_list; b->vendor; b++) {
1990                 if ((b->vendor != pdev->vendor) || (b->device != pdev->device) || (b->rev < rev)) continue;
1991                 if (b->svid)
1992                         if ((b->svid != svid) || (b->sid != sid)) continue;
1993                 break;
1994         }
1995         /* not match... */
1996         if (!b->vendor)
1997                 return -1;
1998         if (dev > 0) {
1999                 /* not requested one... */
2000                 dev--;
2001                 return -1;
2002         }
2003         pci_read_config_dword(pdev, PCI_COMMAND, &cmd);
2004         if (pci_enable_device(pdev)) {
2005                 return -1;
2006         }
2007
2008 #ifdef CONFIG_FB_MATROX_MULTIHEAD
2009         minfo = (struct matrox_fb_info*)kmalloc(sizeof(*minfo), GFP_KERNEL);
2010         if (!minfo)
2011                 return -1;
2012 #else
2013         if (registered) /* singlehead driver... */
2014                 return -1;
2015         minfo = &matroxfb_global_mxinfo;
2016 #endif
2017         memset(MINFO, 0, sizeof(*MINFO));
2018
2019         ACCESS_FBINFO(pcidev) = pdev;
2020         ACCESS_FBINFO(dead) = 0;
2021         ACCESS_FBINFO(usecount) = 0;
2022         ACCESS_FBINFO(userusecount) = 0;
2023
2024         pci_set_drvdata(pdev, MINFO);
2025         /* DEVFLAGS */
2026         ACCESS_FBINFO(devflags.memtype) = memtype;
2027         if (memtype != -1)
2028                 noinit = 0;
2029         if (cmd & PCI_COMMAND_MEMORY) {
2030                 ACCESS_FBINFO(devflags.novga) = novga;
2031                 ACCESS_FBINFO(devflags.nobios) = nobios;
2032                 ACCESS_FBINFO(devflags.noinit) = noinit;
2033                 /* subsequent heads always needs initialization and must not enable BIOS */
2034                 novga = 1;
2035                 nobios = 1;
2036                 noinit = 0;
2037         } else {
2038                 ACCESS_FBINFO(devflags.novga) = 1;
2039                 ACCESS_FBINFO(devflags.nobios) = 1;
2040                 ACCESS_FBINFO(devflags.noinit) = 0;
2041         }
2042
2043         ACCESS_FBINFO(devflags.nopciretry) = no_pci_retry;
2044         ACCESS_FBINFO(devflags.mga_24bpp_fix) = inv24;
2045         ACCESS_FBINFO(devflags.precise_width) = option_precise_width;
2046         ACCESS_FBINFO(devflags.sgram) = sgram;
2047         ACCESS_FBINFO(capable.cross4MB) = cross4MB;
2048
2049         spin_lock_init(&ACCESS_FBINFO(lock.DAC));
2050         spin_lock_init(&ACCESS_FBINFO(lock.accel));
2051         init_rwsem(&ACCESS_FBINFO(crtc2.lock));
2052         init_rwsem(&ACCESS_FBINFO(altout.lock));
2053         ACCESS_FBINFO(irq_flags) = 0;
2054         init_waitqueue_head(&ACCESS_FBINFO(crtc1.vsync.wait));
2055         init_waitqueue_head(&ACCESS_FBINFO(crtc2.vsync.wait));
2056         ACCESS_FBINFO(crtc1.panpos) = -1;
2057
2058         err = initMatrox2(PMINFO b);
2059         if (!err) {
2060 #ifndef CONFIG_FB_MATROX_MULTIHEAD
2061                 registered = 1;
2062 #endif
2063                 matroxfb_register_device(MINFO);
2064                 return 0;
2065         }
2066 #ifdef CONFIG_FB_MATROX_MULTIHEAD
2067         kfree(minfo);
2068 #endif
2069         return -1;
2070 }
2071
2072 static void pci_remove_matrox(struct pci_dev* pdev) {
2073         struct matrox_fb_info* minfo;
2074
2075         minfo = pci_get_drvdata(pdev);
2076         matroxfb_remove(PMINFO 1);
2077 }
2078
2079 static struct pci_device_id matroxfb_devices[] = {
2080 #ifdef CONFIG_FB_MATROX_MILLENIUM
2081         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL,
2082                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2083         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2,
2084                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2085         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MIL_2_AGP,
2086                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2087 #endif
2088 #ifdef CONFIG_FB_MATROX_MYSTIQUE
2089         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_MYS,
2090                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2091 #endif
2092 #ifdef CONFIG_FB_MATROX_G100
2093         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_MM,
2094                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2095         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G100_AGP,
2096                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2097         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_PCI,
2098                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2099         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G200_AGP,
2100                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2101         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G400,
2102                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2103         {PCI_VENDOR_ID_MATROX,  PCI_DEVICE_ID_MATROX_G550,
2104                 PCI_ANY_ID,     PCI_ANY_ID,     0, 0, 0},
2105 #endif
2106         {0,                     0,
2107                 0,              0,              0, 0, 0}
2108 };
2109
2110 MODULE_DEVICE_TABLE(pci, matroxfb_devices);
2111
2112
2113 static struct pci_driver matroxfb_driver = {
2114         .name =         "matroxfb",
2115         .id_table =     matroxfb_devices,
2116         .probe =        matroxfb_probe,
2117         .remove =       pci_remove_matrox,
2118 };
2119
2120 /* **************************** init-time only **************************** */
2121
2122 #define RSResolution(X) ((X) & 0x0F)
2123 #define RS640x400       1
2124 #define RS640x480       2
2125 #define RS800x600       3
2126 #define RS1024x768      4
2127 #define RS1280x1024     5
2128 #define RS1600x1200     6
2129 #define RS768x576       7
2130 #define RS960x720       8
2131 #define RS1152x864      9
2132 #define RS1408x1056     10
2133 #define RS640x350       11
2134 #define RS1056x344      12      /* 132 x 43 text */
2135 #define RS1056x400      13      /* 132 x 50 text */
2136 #define RS1056x480      14      /* 132 x 60 text */
2137 #define RSNoxNo         15
2138 /* 10-FF */
2139 static struct { int xres, yres, left, right, upper, lower, hslen, vslen, vfreq; } timmings[] __initdata = {
2140         {  640,  400,  48, 16, 39,  8,  96, 2, 70 },
2141         {  640,  480,  48, 16, 33, 10,  96, 2, 60 },
2142         {  800,  600, 144, 24, 28,  8, 112, 6, 60 },
2143         { 1024,  768, 160, 32, 30,  4, 128, 4, 60 },
2144         { 1280, 1024, 224, 32, 32,  4, 136, 4, 60 },
2145         { 1600, 1200, 272, 48, 32,  5, 152, 5, 60 },
2146         {  768,  576, 144, 16, 28,  6, 112, 4, 60 },
2147         {  960,  720, 144, 24, 28,  8, 112, 4, 60 },
2148         { 1152,  864, 192, 32, 30,  4, 128, 4, 60 },
2149         { 1408, 1056, 256, 40, 32,  5, 144, 5, 60 },
2150         {  640,  350,  48, 16, 39,  8,  96, 2, 70 },
2151         { 1056,  344,  96, 24, 59, 44, 160, 2, 70 },
2152         { 1056,  400,  96, 24, 39,  8, 160, 2, 70 },
2153         { 1056,  480,  96, 24, 36, 12, 160, 3, 60 },
2154         {    0,    0,  ~0, ~0, ~0, ~0,   0, 0,  0 }
2155 };
2156
2157 #define RSCreate(X,Y)   ((X) | ((Y) << 8))
2158 static struct { unsigned int vesa; unsigned int info; } *RSptr, vesamap[] __initdata = {
2159 /* default must be first */
2160         {    ~0, RSCreate(RSNoxNo,     RS8bpp ) },
2161         { 0x101, RSCreate(RS640x480,   RS8bpp ) },
2162         { 0x100, RSCreate(RS640x400,   RS8bpp ) },
2163         { 0x180, RSCreate(RS768x576,   RS8bpp ) },
2164         { 0x103, RSCreate(RS800x600,   RS8bpp ) },
2165         { 0x188, RSCreate(RS960x720,   RS8bpp ) },
2166         { 0x105, RSCreate(RS1024x768,  RS8bpp ) },
2167         { 0x190, RSCreate(RS1152x864,  RS8bpp ) },
2168         { 0x107, RSCreate(RS1280x1024, RS8bpp ) },
2169         { 0x198, RSCreate(RS1408x1056, RS8bpp ) },
2170         { 0x11C, RSCreate(RS1600x1200, RS8bpp ) },
2171         { 0x110, RSCreate(RS640x480,   RS15bpp) },
2172         { 0x181, RSCreate(RS768x576,   RS15bpp) },
2173         { 0x113, RSCreate(RS800x600,   RS15bpp) },
2174         { 0x189, RSCreate(RS960x720,   RS15bpp) },
2175         { 0x116, RSCreate(RS1024x768,  RS15bpp) },
2176         { 0x191, RSCreate(RS1152x864,  RS15bpp) },
2177         { 0x119, RSCreate(RS1280x1024, RS15bpp) },
2178         { 0x199, RSCreate(RS1408x1056, RS15bpp) },
2179         { 0x11D, RSCreate(RS1600x1200, RS15bpp) },
2180         { 0x111, RSCreate(RS640x480,   RS16bpp) },
2181         { 0x182, RSCreate(RS768x576,   RS16bpp) },
2182         { 0x114, RSCreate(RS800x600,   RS16bpp) },
2183         { 0x18A, RSCreate(RS960x720,   RS16bpp) },
2184         { 0x117, RSCreate(RS1024x768,  RS16bpp) },
2185         { 0x192, RSCreate(RS1152x864,  RS16bpp) },
2186         { 0x11A, RSCreate(RS1280x1024, RS16bpp) },
2187         { 0x19A, RSCreate(RS1408x1056, RS16bpp) },
2188         { 0x11E, RSCreate(RS1600x1200, RS16bpp) },
2189         { 0x1B2, RSCreate(RS640x480,   RS24bpp) },
2190         { 0x184, RSCreate(RS768x576,   RS24bpp) },
2191         { 0x1B5, RSCreate(RS800x600,   RS24bpp) },
2192         { 0x18C, RSCreate(RS960x720,   RS24bpp) },
2193         { 0x1B8, RSCreate(RS1024x768,  RS24bpp) },
2194         { 0x194, RSCreate(RS1152x864,  RS24bpp) },
2195         { 0x1BB, RSCreate(RS1280x1024, RS24bpp) },
2196         { 0x19C, RSCreate(RS1408x1056, RS24bpp) },
2197         { 0x1BF, RSCreate(RS1600x1200, RS24bpp) },
2198         { 0x112, RSCreate(RS640x480,   RS32bpp) },
2199         { 0x183, RSCreate(RS768x576,   RS32bpp) },
2200         { 0x115, RSCreate(RS800x600,   RS32bpp) },
2201         { 0x18B, RSCreate(RS960x720,   RS32bpp) },
2202         { 0x118, RSCreate(RS1024x768,  RS32bpp) },
2203         { 0x193, RSCreate(RS1152x864,  RS32bpp) },
2204         { 0x11B, RSCreate(RS1280x1024, RS32bpp) },
2205         { 0x19B, RSCreate(RS1408x1056, RS32bpp) },
2206         { 0x11F, RSCreate(RS1600x1200, RS32bpp) },
2207         { 0x010, RSCreate(RS640x350,   RS4bpp ) },
2208         { 0x012, RSCreate(RS640x480,   RS4bpp ) },
2209         { 0x102, RSCreate(RS800x600,   RS4bpp ) },
2210         { 0x104, RSCreate(RS1024x768,  RS4bpp ) },
2211         { 0x106, RSCreate(RS1280x1024, RS4bpp ) },
2212         {     0, 0                              }};
2213
2214 static void __init matroxfb_init_params(void) {
2215         /* fh from kHz to Hz */
2216         if (fh < 1000)
2217                 fh *= 1000;     /* 1kHz minimum */
2218         /* maxclk */
2219         if (maxclk < 1000) maxclk *= 1000;      /* kHz -> Hz, MHz -> kHz */
2220         if (maxclk < 1000000) maxclk *= 1000;   /* kHz -> Hz, 1MHz minimum */
2221         /* fix VESA number */
2222         if (vesa != ~0)
2223                 vesa &= 0x1DFF;         /* mask out clearscreen, acceleration and so on */
2224
2225         /* static settings */
2226         for (RSptr = vesamap; RSptr->vesa; RSptr++) {
2227                 if (RSptr->vesa == vesa) break;
2228         }
2229         if (!RSptr->vesa) {
2230                 printk(KERN_ERR "Invalid vesa mode 0x%04X\n", vesa);
2231                 RSptr = vesamap;
2232         }
2233         {
2234                 int res = RSResolution(RSptr->info)-1;
2235                 if (left == ~0)
2236                         left = timmings[res].left;
2237                 if (!xres)
2238                         xres = timmings[res].xres;
2239                 if (right == ~0)
2240                         right = timmings[res].right;
2241                 if (!hslen)
2242                         hslen = timmings[res].hslen;
2243                 if (upper == ~0)
2244                         upper = timmings[res].upper;
2245                 if (!yres)
2246                         yres = timmings[res].yres;
2247                 if (lower == ~0)
2248                         lower = timmings[res].lower;
2249                 if (!vslen)
2250                         vslen = timmings[res].vslen;
2251                 if (!(fv||fh||maxclk||pixclock))
2252                         fv = timmings[res].vfreq;
2253                 if (depth == -1)
2254                         depth = RSDepth(RSptr->info);
2255         }
2256 }
2257
2258 static void __init matrox_init(void) {
2259         matroxfb_init_params();
2260         pci_register_driver(&matroxfb_driver);
2261         dev = -1;       /* accept all new devices... */
2262 }
2263
2264 /* **************************** exit-time only **************************** */
2265
2266 static void __exit matrox_done(void) {
2267         pci_unregister_driver(&matroxfb_driver);
2268 }
2269
2270 #ifndef MODULE
2271
2272 /* ************************* init in-kernel code ************************** */
2273
2274 int __init matroxfb_setup(char *options) {
2275         char *this_opt;
2276
2277         DBG(__FUNCTION__)
2278
2279         if (!options || !*options)
2280                 return 0;
2281
2282         while ((this_opt = strsep(&options, ",")) != NULL) {
2283                 if (!*this_opt) continue;
2284
2285                 dprintk("matroxfb_setup: option %s\n", this_opt);
2286
2287                 if (!strncmp(this_opt, "dev:", 4))
2288                         dev = simple_strtoul(this_opt+4, NULL, 0);
2289                 else if (!strncmp(this_opt, "depth:", 6)) {
2290                         switch (simple_strtoul(this_opt+6, NULL, 0)) {
2291                                 case 0: depth = RSText; break;
2292                                 case 4: depth = RS4bpp; break;
2293                                 case 8: depth = RS8bpp; break;
2294                                 case 15:depth = RS15bpp; break;
2295                                 case 16:depth = RS16bpp; break;
2296                                 case 24:depth = RS24bpp; break;
2297                                 case 32:depth = RS32bpp; break;
2298                                 default:
2299                                         printk(KERN_ERR "matroxfb: unsupported color depth\n");
2300                         }
2301                 } else if (!strncmp(this_opt, "xres:", 5))
2302                         xres = simple_strtoul(this_opt+5, NULL, 0);
2303                 else if (!strncmp(this_opt, "yres:", 5))
2304                         yres = simple_strtoul(this_opt+5, NULL, 0);
2305                 else if (!strncmp(this_opt, "vslen:", 6))
2306                         vslen = simple_strtoul(this_opt+6, NULL, 0);
2307                 else if (!strncmp(this_opt, "hslen:", 6))
2308                         hslen = simple_strtoul(this_opt+6, NULL, 0);
2309                 else if (!strncmp(this_opt, "left:", 5))
2310                         left = simple_strtoul(this_opt+5, NULL, 0);
2311                 else if (!strncmp(this_opt, "right:", 6))
2312                         right = simple_strtoul(this_opt+6, NULL, 0);
2313                 else if (!strncmp(this_opt, "upper:", 6))
2314                         upper = simple_strtoul(this_opt+6, NULL, 0);
2315                 else if (!strncmp(this_opt, "lower:", 6))
2316                         lower = simple_strtoul(this_opt+6, NULL, 0);
2317                 else if (!strncmp(this_opt, "pixclock:", 9))
2318                         pixclock = simple_strtoul(this_opt+9, NULL, 0);
2319                 else if (!strncmp(this_opt, "sync:", 5))
2320                         sync = simple_strtoul(this_opt+5, NULL, 0);
2321                 else if (!strncmp(this_opt, "vesa:", 5))
2322                         vesa = simple_strtoul(this_opt+5, NULL, 0);
2323                 else if (!strncmp(this_opt, "maxclk:", 7))
2324                         maxclk = simple_strtoul(this_opt+7, NULL, 0);
2325                 else if (!strncmp(this_opt, "fh:", 3))
2326                         fh = simple_strtoul(this_opt+3, NULL, 0);
2327                 else if (!strncmp(this_opt, "fv:", 3))
2328                         fv = simple_strtoul(this_opt+3, NULL, 0);
2329                 else if (!strncmp(this_opt, "mem:", 4))
2330                         mem = simple_strtoul(this_opt+4, NULL, 0);
2331                 else if (!strncmp(this_opt, "mode:", 5))
2332                         strlcpy(videomode, this_opt+5, sizeof(videomode));
2333                 else if (!strncmp(this_opt, "outputs:", 8))
2334                         strlcpy(outputs, this_opt+8, sizeof(outputs));
2335                 else if (!strncmp(this_opt, "dfp:", 4)) {
2336                         dfp_type = simple_strtoul(this_opt+4, NULL, 0);
2337                         dfp = 1;
2338                 }       
2339 #ifdef CONFIG_PPC_PMAC
2340                 else if (!strncmp(this_opt, "vmode:", 6)) {
2341                         unsigned int vmode = simple_strtoul(this_opt+6, NULL, 0);
2342                         if (vmode > 0 && vmode <= VMODE_MAX)
2343                                 default_vmode = vmode;
2344                 } else if (!strncmp(this_opt, "cmode:", 6)) {
2345                         unsigned int cmode = simple_strtoul(this_opt+6, NULL, 0);
2346                         switch (cmode) {
2347                                 case 0:
2348                                 case 8:
2349                                         default_cmode = CMODE_8;
2350                                         break;
2351                                 case 15:
2352                                 case 16:
2353                                         default_cmode = CMODE_16;
2354                                         break;
2355                                 case 24:
2356                                 case 32:
2357                                         default_cmode = CMODE_32;
2358                                         break;
2359                         }
2360                 }
2361 #endif
2362                 else if (!strcmp(this_opt, "disabled")) /* nodisabled does not exist */
2363                         disabled = 1;
2364                 else if (!strcmp(this_opt, "enabled"))  /* noenabled does not exist */
2365                         disabled = 0;
2366                 else if (!strcmp(this_opt, "sgram"))    /* nosgram == sdram */
2367                         sgram = 1;
2368                 else if (!strcmp(this_opt, "sdram"))
2369                         sgram = 0;
2370                 else if (!strncmp(this_opt, "memtype:", 8))
2371                         memtype = simple_strtoul(this_opt+8, NULL, 0);
2372                 else {
2373                         int value = 1;
2374
2375                         if (!strncmp(this_opt, "no", 2)) {
2376                                 value = 0;
2377                                 this_opt += 2;
2378                         }
2379                         if (! strcmp(this_opt, "inverse"))
2380                                 inverse = value;
2381                         else if (!strcmp(this_opt, "accel"))
2382                                 noaccel = !value;
2383                         else if (!strcmp(this_opt, "pan"))
2384                                 nopan = !value;
2385                         else if (!strcmp(this_opt, "pciretry"))
2386                                 no_pci_retry = !value;
2387                         else if (!strcmp(this_opt, "vga"))
2388                                 novga = !value;
2389                         else if (!strcmp(this_opt, "bios"))
2390                                 nobios = !value;
2391                         else if (!strcmp(this_opt, "init"))
2392                                 noinit = !value;
2393 #ifdef CONFIG_MTRR
2394                         else if (!strcmp(this_opt, "mtrr"))
2395                                 mtrr = value;
2396 #endif
2397                         else if (!strcmp(this_opt, "inv24"))
2398                                 inv24 = value;
2399                         else if (!strcmp(this_opt, "cross4MB"))
2400                                 cross4MB = value;
2401                         else if (!strcmp(this_opt, "grayscale"))
2402                                 grayscale = value;
2403                         else if (!strcmp(this_opt, "dfp"))
2404                                 dfp = value;
2405                         else {
2406                                 strlcpy(videomode, this_opt, sizeof(videomode));
2407                         }
2408                 }
2409         }
2410         return 0;
2411 }
2412
2413 static int __initdata initialized = 0;
2414
2415 int __init matroxfb_init(void)
2416 {
2417         DBG(__FUNCTION__)
2418
2419         if (disabled)
2420                 return -ENXIO;
2421         if (!initialized) {
2422                 initialized = 1;
2423                 matrox_init();
2424         }
2425         hotplug = 1;
2426         /* never return failure, user can hotplug matrox later... */
2427         return 0;
2428 }
2429
2430 #else
2431
2432 /* *************************** init module code **************************** */
2433
2434 MODULE_AUTHOR("(c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>");
2435 MODULE_DESCRIPTION("Accelerated FBDev driver for Matrox Millennium/Mystique/G100/G200/G400/G450/G550");
2436 MODULE_LICENSE("GPL");
2437
2438 MODULE_PARM(mem, "i");
2439 MODULE_PARM_DESC(mem, "Size of available memory in MB, KB or B (2,4,8,12,16MB, default=autodetect)");
2440 MODULE_PARM(disabled, "i");
2441 MODULE_PARM_DESC(disabled, "Disabled (0 or 1=disabled) (default=0)");
2442 MODULE_PARM(noaccel, "i");
2443 MODULE_PARM_DESC(noaccel, "Do not use accelerating engine (0 or 1=disabled) (default=0)");
2444 MODULE_PARM(nopan, "i");
2445 MODULE_PARM_DESC(nopan, "Disable pan on startup (0 or 1=disabled) (default=0)");
2446 MODULE_PARM(no_pci_retry, "i");
2447 MODULE_PARM_DESC(no_pci_retry, "PCI retries enabled (0 or 1=disabled) (default=0)");
2448 MODULE_PARM(novga, "i");
2449 MODULE_PARM_DESC(novga, "VGA I/O (0x3C0-0x3DF) disabled (0 or 1=disabled) (default=0)");
2450 MODULE_PARM(nobios, "i");
2451 MODULE_PARM_DESC(nobios, "Disables ROM BIOS (0 or 1=disabled) (default=do not change BIOS state)");
2452 MODULE_PARM(noinit, "i");
2453 MODULE_PARM_DESC(noinit, "Disables W/SG/SD-RAM and bus interface initialization (0 or 1=do not initialize) (default=0)");
2454 MODULE_PARM(memtype, "i");
2455 MODULE_PARM_DESC(memtype, "Memory type for G200/G400 (see Documentation/fb/matroxfb.txt for explanation) (default=3 for G200, 0 for G400)");
2456 MODULE_PARM(mtrr, "i");
2457 MODULE_PARM_DESC(mtrr, "This speeds up video memory accesses (0=disabled or 1) (default=1)");
2458 MODULE_PARM(sgram, "i");
2459 MODULE_PARM_DESC(sgram, "Indicates that G100/G200/G400 has SGRAM memory (0=SDRAM, 1=SGRAM) (default=0)");
2460 MODULE_PARM(inv24, "i");
2461 MODULE_PARM_DESC(inv24, "Inverts clock polarity for 24bpp and loop frequency > 100MHz (default=do not invert polarity)");
2462 MODULE_PARM(inverse, "i");
2463 MODULE_PARM_DESC(inverse, "Inverse (0 or 1) (default=0)");
2464 #ifdef CONFIG_FB_MATROX_MULTIHEAD
2465 MODULE_PARM(dev, "i");
2466 MODULE_PARM_DESC(dev, "Multihead support, attach to device ID (0..N) (default=all working)");
2467 #else
2468 MODULE_PARM(dev, "i");
2469 MODULE_PARM_DESC(dev, "Multihead support, attach to device ID (0..N) (default=first working)");
2470 #endif
2471 MODULE_PARM(vesa, "i");
2472 MODULE_PARM_DESC(vesa, "Startup videomode (0x000-0x1FF) (default=0x101)");
2473 MODULE_PARM(xres, "i");
2474 MODULE_PARM_DESC(xres, "Horizontal resolution (px), overrides xres from vesa (default=vesa)");
2475 MODULE_PARM(yres, "i");
2476 MODULE_PARM_DESC(yres, "Vertical resolution (scans), overrides yres from vesa (default=vesa)");
2477 MODULE_PARM(upper, "i");
2478 MODULE_PARM_DESC(upper, "Upper blank space (scans), overrides upper from vesa (default=vesa)");
2479 MODULE_PARM(lower, "i");
2480 MODULE_PARM_DESC(lower, "Lower blank space (scans), overrides lower from vesa (default=vesa)");
2481 MODULE_PARM(vslen, "i");
2482 MODULE_PARM_DESC(vslen, "Vertical sync length (scans), overrides lower from vesa (default=vesa)");
2483 MODULE_PARM(left, "i");
2484 MODULE_PARM_DESC(left, "Left blank space (px), overrides left from vesa (default=vesa)");
2485 MODULE_PARM(right, "i");
2486 MODULE_PARM_DESC(right, "Right blank space (px), overrides right from vesa (default=vesa)");
2487 MODULE_PARM(hslen, "i");
2488 MODULE_PARM_DESC(hslen, "Horizontal sync length (px), overrides hslen from vesa (default=vesa)");
2489 MODULE_PARM(pixclock, "i");
2490 MODULE_PARM_DESC(pixclock, "Pixelclock (ns), overrides pixclock from vesa (default=vesa)");
2491 MODULE_PARM(sync, "i");
2492 MODULE_PARM_DESC(sync, "Sync polarity, overrides sync from vesa (default=vesa)");
2493 MODULE_PARM(depth, "i");
2494 MODULE_PARM_DESC(depth, "Color depth (0=text,8,15,16,24,32) (default=vesa)");
2495 MODULE_PARM(maxclk, "i");
2496 MODULE_PARM_DESC(maxclk, "Startup maximal clock, 0-999MHz, 1000-999999kHz, 1000000-INF Hz");
2497 MODULE_PARM(fh, "i");
2498 MODULE_PARM_DESC(fh, "Startup horizontal frequency, 0-999kHz, 1000-INF Hz");
2499 MODULE_PARM(fv, "i");
2500 MODULE_PARM_DESC(fv, "Startup vertical frequency, 0-INF Hz\n"
2501 "You should specify \"fv:max_monitor_vsync,fh:max_monitor_hsync,maxclk:max_monitor_dotclock\"\n");
2502 MODULE_PARM(grayscale, "i");
2503 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)");
2504 MODULE_PARM(cross4MB, "i");
2505 MODULE_PARM_DESC(cross4MB, "Specifies that 4MB boundary can be in middle of line. (default=autodetected)");
2506 MODULE_PARM(dfp, "i");
2507 MODULE_PARM_DESC(dfp, "Specifies whether to use digital flat panel interface of G200/G400 (0 or 1) (default=0)");
2508 MODULE_PARM(dfp_type, "i");
2509 MODULE_PARM_DESC(dfp_type, "Specifies DFP interface type (0 to 255) (default=read from hardware)");
2510 MODULE_PARM(outputs, "c8");
2511 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)");
2512 #ifdef CONFIG_PPC_PMAC
2513 MODULE_PARM(vmode, "i");
2514 MODULE_PARM_DESC(vmode, "Specify the vmode mode number that should be used (640x480 default)");
2515 MODULE_PARM(cmode, "i");
2516 MODULE_PARM_DESC(cmode, "Specify the video depth that should be used (8bit default)");
2517 #endif
2518
2519 int __init init_module(void){
2520
2521         DBG(__FUNCTION__)
2522
2523         if (disabled)
2524                 return -ENXIO;
2525
2526         if (depth == 0)
2527                 depth = RSText;
2528         else if (depth == 4)
2529                 depth = RS4bpp;
2530         else if (depth == 8)
2531                 depth = RS8bpp;
2532         else if (depth == 15)
2533                 depth = RS15bpp;
2534         else if (depth == 16)
2535                 depth = RS16bpp;
2536         else if (depth == 24)
2537                 depth = RS24bpp;
2538         else if (depth == 32)
2539                 depth = RS32bpp;
2540         else if (depth != -1) {
2541                 printk(KERN_ERR "matroxfb: depth %d is not supported, using default\n", depth);
2542                 depth = -1;
2543         }
2544         matrox_init();
2545         /* never return failure; user can hotplug matrox later... */
2546         return 0;
2547 }
2548 #endif  /* MODULE */
2549
2550 module_exit(matrox_done);
2551 EXPORT_SYMBOL(matroxfb_register_driver);
2552 EXPORT_SYMBOL(matroxfb_unregister_driver);
2553 EXPORT_SYMBOL(matroxfb_wait_for_sync);
2554 EXPORT_SYMBOL(matroxfb_enable_irq);
2555
2556 /*
2557  * Overrides for Emacs so that we follow Linus's tabbing style.
2558  * ---------------------------------------------------------------------------
2559  * Local variables:
2560  * c-basic-offset: 8
2561  * End:
2562  */
2563