2 * Frame buffer driver for Trident Cyberblade/i1 graphics core
4 * Copyright 2005 Knut Petersen <Knut_Petersen@t-online.de>
7 * tridentfb.c by Jani Monoses
8 * see files above for further credits
12 #define CYBLAFB_DEBUG 0
13 #define CYBLAFB_KD_GRAPHICS_QUIRK 1
15 #define CYBLAFB_PIXMAPSIZE 8192
17 #include <linux/module.h>
18 #include <linux/string.h>
20 #include <linux/init.h>
21 #include <linux/pci.h>
22 #include <asm/types.h>
23 #include <video/cyblafb.h>
25 #define VERSION "0.62"
32 static struct fb_fix_screeninfo cyblafb_fix __devinitdata = {
34 .type = FB_TYPE_PACKED_PIXELS,
38 .visual = FB_VISUAL_PSEUDOCOLOR,
39 .accel = FB_ACCEL_NONE,
42 static char *mode __devinitdata = NULL;
43 static int bpp __devinitdata = 8;
44 static int ref __devinitdata = 75;
45 static int fp __devinitdata;
46 static int crt __devinitdata;
47 static int memsize __devinitdata;
49 static int basestride;
60 static int displaytype;
62 static void __iomem *io_virt; // iospace virtual memory address
64 module_param(mode, charp, 0);
65 module_param(bpp, int, 0);
66 module_param(ref, int, 0);
67 module_param(fp, int, 0);
68 module_param(crt, int, 0);
69 module_param(nativex, int, 0);
70 module_param(center, int, 0);
71 module_param(stretch, int, 0);
72 module_param(pciwb, int, 0);
73 module_param(pcirb, int, 0);
74 module_param(pciwr, int, 0);
75 module_param(pcirr, int, 0);
76 module_param(memsize, int, 0);
77 module_param(verbosity, int, 0);
79 //=========================================
81 // Well, we have to fix the upper layers.
82 // Until this has been done, we work around
85 //=========================================
87 #if (CYBLAFB_KD_GRAPHICS_QUIRK && CYBLAFB_DEBUG)
89 printk("********\n");\
94 #elif CYBLAFB_KD_GRAPHICS_QUIRK
95 #define KD_GRAPHICS_RETURN(val)\
100 #define KD_GRAPHICS_RETURN(val)
103 //=========================================
105 // Port access macros for memory mapped io
107 //=========================================
109 #define out8(r, v) writeb(v, io_virt + r)
110 #define out32(r, v) writel(v, io_virt + r)
111 #define in8(r) readb(io_virt + r)
112 #define in32(r) readl(io_virt + r)
114 //======================================
116 // Hardware access inline functions
118 //======================================
120 static inline u8 read3X4(u32 reg)
126 static inline u8 read3C4(u32 reg)
132 static inline u8 read3CE(u32 reg)
138 static inline void write3X4(u32 reg, u8 val)
144 static inline void write3C4(u32 reg, u8 val)
150 static inline void write3CE(u32 reg, u8 val)
156 static inline void write3C0(u32 reg, u8 val)
158 in8(0x3DA); // read to reset index
163 //=================================================
165 // Enable memory mapped io and unprotect registers
167 //=================================================
169 static void enable_mmio(void)
174 inb(0x3C5); // Set NEW mode
175 outb(SR0E, 0x3C4); // write enable a lot of extended ports
178 outb(SR11, 0x3C4); // write enable those extended ports that
179 outb(0x87, 0x3C5); // are not affected by SR0E_New
181 outb(CR1E, 0x3d4); // clear write protect bit for port 0x3c2
182 tmp = inb(0x3d5) & 0xBF;
187 outb(inb(0x3D5) | 0x01, 0x3D5); // Enable mmio
190 //=================================================
192 // Set pixel clock VCLK1
193 // - multipliers set elswhere
194 // - freq in units of 0.01 MHz
196 // Hardware bug: SR18 >= 250 is broken for the
199 //=================================================
201 static void set_vclk(struct cyblafb_par *par, int freq)
208 k = freq >= 10000 ? 0 : freq >= 5000 ? 1 : freq >= 2500 ? 2 : 3;
209 for (m = 0; m < 64; m++)
210 for (n = 0; n < 250; n++) {
211 fi = (int)(((5864727 * (n + 8)) /
212 ((m + 2) * (1 << k))) >> 12);
213 if ((di = abs(fi - freq)) < d) {
217 hi = (u8) ((k << 6) | m);
223 output("pixclock = %d.%02d MHz, k/m/n %x %x %x\n",
224 freq / 100, freq % 100, (hi & 0xc0) >> 6, hi & 0x3f, lo);
227 //================================================
229 // Cyberblade specific Graphics Engine (GE) setup
231 //================================================
233 static void cyblafb_setup_GE(int pitch, int bpp)
235 KD_GRAPHICS_RETURN();
239 basestride = ((pitch >> 3) << 20) | (0 << 29);
242 basestride = ((pitch >> 3) << 20) | (5 << 29);
245 basestride = ((pitch >> 3) << 20) | (1 << 29);
249 basestride = ((pitch >> 3) << 20) | (2 << 29);
253 write3X4(CR36, 0x90); // reset GE
254 write3X4(CR36, 0x80); // enable GE
255 out32(GE24, 1 << 7); // reset all GE pointers by toggling
256 out32(GE24, 0); // d7 of GE24
257 write3X4(CR2D, 0x00); // GE Timinigs, no delays
258 out32(GE6C, 0); // Pattern and Style, p 129, ok
261 //=====================================================================
263 // Cyberblade specific syncing
265 // A timeout might be caused by disabled mmio.
267 // - bit CR39 & 1 == 0 upon return, X trident driver bug
268 // - kdm bug (KD_GRAPHICS not set on first switch)
269 // - kernel design flaw (it believes in the correctness
271 // First we try to sync ignoring that problem, as most of the
272 // time that will succeed immediately and the enable_mmio()
273 // would only degrade performance.
275 //=====================================================================
277 static int cyblafb_sync(struct fb_info *info)
279 u32 status, i = 100000;
281 KD_GRAPHICS_RETURN(0);
283 while (((status = in32(GE20)) & 0xFe800000) && i != 0)
289 while (((status = in32(GE20)) & 0xFA800000) && i != 0)
292 output("GE Timeout, status: %x\n", status);
293 if (status & 0x80000000)
294 output("Bresenham Engine : Busy\n");
295 if (status & 0x40000000)
296 output("Setup Engine : Busy\n");
297 if (status & 0x20000000)
298 output("SP / DPE : Busy\n");
299 if (status & 0x10000000)
300 output("Memory Interface : Busy\n");
301 if (status & 0x08000000)
302 output("Com Lst Proc : Busy\n");
303 if (status & 0x04000000)
304 output("Block Write : Busy\n");
305 if (status & 0x02000000)
306 output("Command Buffer : Full\n");
307 if (status & 0x01000000)
308 output("RESERVED : Busy\n");
309 if (status & 0x00800000)
310 output("PCI Write Buffer : Busy\n");
311 cyblafb_setup_GE(info->var.xres,
312 info->var.bits_per_pixel);
319 //==============================
321 // Cyberblade specific fillrect
323 //==============================
325 static void cyblafb_fillrect(struct fb_info *info, const struct fb_fillrect *fr)
327 u32 bpp = info->var.bits_per_pixel, col, desty, height;
329 KD_GRAPHICS_RETURN();
339 col = ((u32 *) (info->pseudo_palette))[fr->color];
343 col = ((u32 *) (info->pseudo_palette))[fr->color];
350 out32(GEB8, basestride | ((desty * info->var.xres_virtual *
353 out32(GE48, fr->rop ? 0x66 : ROP_S);
354 out32(GE44, 0x20000000 | 1 << 19 | 1 << 4 | 2 << 2);
355 out32(GE08, point(fr->dx, 0));
356 out32(GE0C, point(fr->dx + fr->width - 1,
357 height > 4096 ? 4095 : height - 1));
358 if (likely(height <= 4096))
365 //================================================
367 // Cyberblade specific copyarea
369 // This function silently assumes that it never
370 // will be called with width or height exceeding
373 //================================================
375 static void cyblafb_copyarea(struct fb_info *info, const struct fb_copyarea *ca)
377 u32 s1, s2, d1, d2, direction;
379 KD_GRAPHICS_RETURN();
381 s1 = point(ca->sx, 0);
382 s2 = point(ca->sx + ca->width - 1, ca->height - 1);
383 d1 = point(ca->dx, 0);
384 d2 = point(ca->dx + ca->width - 1, ca->height - 1);
386 if ((ca->sy > ca->dy) || ((ca->sy == ca->dy) && (ca->sx > ca->dx)))
391 out32(GEB8, basestride | ((ca->dy * info->var.xres_virtual *
392 info->var.bits_per_pixel) >> 6));
393 out32(GEC8, basestride | ((ca->sy * info->var.xres_virtual *
394 info->var.bits_per_pixel) >> 6));
395 out32(GE44, 0xa0000000 | 1 << 19 | 1 << 2 | direction);
396 out32(GE00, direction ? s2 : s1);
397 out32(GE04, direction ? s1 : s2);
398 out32(GE08, direction ? d2 : d1);
399 out32(GE0C, direction ? d1 : d2);
402 //=======================================================================
404 // Cyberblade specific imageblit
406 // Accelerated for the most usual case, blitting 1 - bit deep
407 // character images. Everything else is passed to the generic imageblit
408 // unless it is so insane that it is better to printk an alert.
410 // Hardware bug: _Never_ blit across pixel column 2048, that will lock
411 // the system. We split those blit requests into three blitting
414 //=======================================================================
416 static void cyblafb_imageblit(struct fb_info *info,
417 const struct fb_image *image)
420 u32 *pd = (u32 *) image->data;
421 u32 bpp = info->var.bits_per_pixel;
423 KD_GRAPHICS_RETURN();
425 // Used only for drawing the penguine (image->depth > 1)
426 if (image->depth != 1) {
427 cfb_imageblit(info, image);
430 // That should never happen, but it would be fatal
431 if (image->width == 0 || image->height == 0) {
432 output("imageblit: width/height 0 detected\n");
436 if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
437 info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
438 fgcol = ((u32 *) (info->pseudo_palette))[image->fg_color];
439 bgcol = ((u32 *) (info->pseudo_palette))[image->bg_color];
441 fgcol = image->fg_color;
442 bgcol = image->bg_color;
450 fgcol |= fgcol << 16;
451 bgcol |= bgcol << 16;
456 out32(GEB8, basestride | ((image->dy * info->var.xres_virtual *
461 if (!(image->dx < 2048 && (image->dx + image->width - 1) >= 2048)) {
462 u32 dds = ((image->width + 31) >> 5) * image->height;
463 out32(GE44, 0xa0000000 | 1 << 20 | 1 << 19);
464 out32(GE08, point(image->dx, 0));
465 out32(GE0C, point(image->dx + image->width - 1,
471 u32 ddstotal = (image->width + 31) >> 5;
472 u32 ddsleft = (2048 - image->dx + 31) >> 5;
473 u32 skipleft = ddstotal - ddsleft;
475 out32(GE44, 0xa0000000 | 1 << 20 | 1 << 19);
476 out32(GE08, point(image->dx, 0));
477 out32(GE0C, point(2048 - 1, image->height - 1));
478 for (i = 0; i < image->height; i++) {
479 for (j = 0; j < ddsleft; j++)
484 if (image->dx % 32) {
485 out32(GE44, 0xa0000000 | 1 << 20 | 1 << 19);
486 out32(GE08, point(2048, 0));
487 if (image->width > ddsleft << 5)
488 out32(GE0C, point(image->dx + (ddsleft << 5) -
489 1, image->height - 1));
491 out32(GE0C, point(image->dx + image->width - 1,
493 pd = ((u32 *) image->data) + ddstotal - skipleft - 1;
494 for (i = 0; i < image->height; i++) {
495 out32(GE9C, swab32(swab32(*pd) << ((32 -
496 (image->dx & 31)) & 31)));
502 out32(GE44, 0xa0000000 | 1 << 20 | 1 << 19);
503 out32(GE08, point(image->dx + (ddsleft << 5), 0));
504 out32(GE0C, point(image->dx + image->width - 1,
506 pd = (u32 *) image->data;
507 for (i = 0; i < image->height; i++) {
509 for (j = 0; j < skipleft; j++)
516 //==========================================================
518 // Check if video mode is acceptable. We change var->??? if
519 // video mode is slightly off or return error otherwise.
520 // info->??? must not be changed!
522 //==========================================================
524 static int cyblafb_check_var(struct fb_var_screeninfo *var,
525 struct fb_info *info)
527 int bpp = var->bits_per_pixel;
530 // we try to support 8, 16, 24 and 32 bpp modes,
533 // there is a 24 bpp mode, but for now we change requests to 32 bpp
534 // (This is what tridentfb does ... will be changed in the future)
537 if (bpp % 8 != 0 || bpp < 8 || bpp > 32)
540 bpp = var->bits_per_pixel = 32;
543 // interlaced modes are broken, fail if one is requested
545 if (var->vmode & FB_VMODE_INTERLACED)
549 // fail if requested resolution is higher than physical
550 // flatpanel resolution
552 if ((displaytype == DISPLAY_FP) && nativex && var->xres > nativex)
556 // we do not allow vclk to exceed 230 MHz. If the requested
557 // vclk is too high, we default to 200 MHz
559 if ((bpp == 32 ? 200000000 : 100000000) / var->pixclock > 23000)
560 var->pixclock = (bpp == 32 ? 200000000 : 100000000) / 20000;
563 // enforce (h|v)sync_len limits
565 var->hsync_len &= ~7;
566 if(var->hsync_len > 248)
567 var->hsync_len = 248;
569 var->vsync_len &= 15;
572 // Enforce horizontal and vertical hardware limits.
573 // 1600x1200 is mentioned as a maximum, but higher resolutions could
574 // work with slow refresh, small margins and short sync.
578 if (((var->xres + var->left_margin + var->right_margin +
579 var->hsync_len) > (bpp == 32 ? 2040 : 4088)) ||
580 ((var->yres + var->upper_margin + var->lower_margin +
581 var->vsync_len) > 2047))
584 if ((var->xres > 1600) || (var->yres > 1200))
585 output("Mode %dx%d exceeds documented limits.\n",
586 var->xres, var->yres);
588 // try to be smart about (x|y)res_virtual problems.
590 if (var->xres > var->xres_virtual)
591 var->xres_virtual = var->xres;
592 if (var->yres > var->yres_virtual)
593 var->yres_virtual = var->yres;
595 if (bpp == 8 || bpp == 16) {
596 if (var->xres_virtual > 4088)
597 var->xres_virtual = 4088;
599 if (var->xres_virtual > 2040)
600 var->xres_virtual = 2040;
602 var->xres_virtual &= ~7;
603 while (var->xres_virtual * var->yres_virtual * bpp / 8 >
604 info->fix.smem_len) {
605 if (var->yres_virtual > var->yres)
607 else if (var->xres_virtual > var->xres)
608 var->xres_virtual -= 8;
616 var->green.offset = 0;
617 var->blue.offset = 0;
619 var->green.length = 6;
620 var->blue.length = 6;
623 var->red.offset = 11;
624 var->green.offset = 5;
625 var->blue.offset = 0;
627 var->green.length = 6;
628 var->blue.length = 5;
631 var->red.offset = 16;
632 var->green.offset = 8;
633 var->blue.offset = 0;
635 var->green.length = 8;
636 var->blue.length = 8;
645 //=====================================================================
649 // The datasheets defines crt start address to be 20 bits wide and
650 // to be programmed to CR0C, CR0D, CR1E and CR27. Actually there is
651 // CR2B[5] as an undocumented extension bit. Epia BIOS 2.07 does use
652 // it, so it is also safe to be used here. BTW: datasheet CR0E on page
653 // 90 really is CR1E, the real CRE is documented on page 72.
657 // As of internal version 0.60 we do not use vga panning any longer.
658 // Vga panning did not allow us the use of all available video memory
659 // and thus prevented ywrap scrolling. We do use the "right view"
663 //=====================================================================
665 static int cyblafb_pan_display(struct fb_var_screeninfo *var,
666 struct fb_info *info)
668 KD_GRAPHICS_RETURN(0);
670 info->var.xoffset = var->xoffset;
671 info->var.yoffset = var->yoffset;
672 out32(GE10, 0x80000000 | ((var->xoffset + (var->yoffset *
673 var->xres_virtual)) * var->bits_per_pixel / 32));
677 //============================================
679 // This will really help in case of a bug ...
680 // dump most gaphics core registers.
682 //============================================
684 static void regdump(struct cyblafb_par *par)
692 for (i = 0; i <= 0xff; i++) {
694 printk("CR%02x=%02x ", i, inb(0x3d5));
700 outb(inb(0x3cf) | 0x40, 0x3cf);
701 for (i = 0; i <= 0x1f; i++) {
702 if (i == 0 || (i > 2 && i < 8) || i == 0x10 || i == 0x11
705 printk("CR%02x=%02x ", i, inb(0x3d5));
712 outb(inb(0x3cf) & 0xbf, 0x3cf);
715 for (i = 0; i <= 0x7f; i++) {
717 printk("GR%02x=%02x ", i, inb(0x3cf));
723 for (i = 0; i <= 0xff; i++) {
725 printk("SR%02x=%02x ", i, inb(0x3c5));
731 for (i = 0; i <= 0x1F; i++) {
732 inb(0x3da); // next access is index!
734 printk("AR%02x=%02x ", i, inb(0x3c1));
740 inb(0x3DA); // reset internal flag to 3c0 index
741 outb(0x20, 0x3C0); // enable attr
746 //=======================================================================
750 // This function is called while a switch to KD_TEXT is in progress,
751 // before any of the other functions are called.
753 //=======================================================================
755 static void cyblafb_save_state(struct fb_info *info)
757 struct cyblafb_par *par = info->par;
759 output("Switching to KD_TEXT\n");
766 //=======================================================================
770 // This function is called while a switch to KD_GRAPHICS is in progress,
771 // We have to turn on vga style panning registers again because the
772 // trident driver of X does not know about GE10.
774 //=======================================================================
776 static void cyblafb_restore_state(struct fb_info *info)
779 output("Switching to KD_GRAPHICS\n");
785 //======================================
787 // Set hardware to requested video mode
789 //======================================
791 static int cyblafb_set_par(struct fb_info *info)
793 struct cyblafb_par *par = info->par;
794 u32 htotal, hdispend, hsyncstart, hsyncend, hblankstart,
795 hblankend, preendfetch, vtotal, vdispend, vsyncstart,
796 vsyncend, vblankstart, vblankend;
797 struct fb_var_screeninfo *var = &info->var;
798 int bpp = var->bits_per_pixel;
801 KD_GRAPHICS_RETURN(0);
804 output("Switching to new mode: "
805 "fbset -g %d %d %d %d %d -t %d %d %d %d %d %d %d\n",
806 var->xres, var->yres, var->xres_virtual,
807 var->yres_virtual, var->bits_per_pixel, var->pixclock,
808 var->left_margin, var->right_margin, var->upper_margin,
809 var->lower_margin, var->hsync_len, var->vsync_len);
811 htotal = (var->xres + var->left_margin + var->right_margin +
812 var->hsync_len) / 8 - 5;
813 hdispend = var->xres / 8 - 1;
814 hsyncstart = (var->xres + var->right_margin) / 8;
815 hsyncend = var->hsync_len / 8;
816 hblankstart = hdispend + 1;
817 hblankend = htotal + 3; // should be htotal + 5, bios does it this way
818 preendfetch = ((var->xres >> 3) + 1) * ((bpp + 1) >> 3);
820 vtotal = var->yres + var->upper_margin + var->lower_margin +
822 vdispend = var->yres - 1;
823 vsyncstart = var->yres + var->lower_margin;
824 vblankstart = var->yres;
825 vblankend = vtotal; // should be vtotal + 2, but bios does it this way
826 vsyncend = var->vsync_len;
828 enable_mmio(); // necessary! ... check X ...
830 write3X4(CR11, read3X4(CR11) & 0x7F); // unlock cr00 .. cr07
834 if ((displaytype == DISPLAY_FP) && var->xres < nativex) {
836 // stretch or center ?
840 write3CE(GR30, read3CE(GR30) | 0x81); // shadow mode on
843 write3CE(GR52, (read3CE(GR52) & 0x7C) | 0x80);
844 write3CE(GR53, (read3CE(GR53) & 0x7C) | 0x80);
845 } else if (stretch) {
847 write3CE(GR52, (read3CE(GR52) & 0x7C) | 1);
848 write3CE(GR53, (read3CE(GR53) & 0x7C) | 1);
860 write3X4(CR00, htotal & 0xFF);
861 write3X4(CR01, hdispend & 0xFF);
862 write3X4(CR02, hblankstart & 0xFF);
863 write3X4(CR03, hblankend & 0x1F);
864 write3X4(CR04, hsyncstart & 0xFF);
865 write3X4(CR05, (hsyncend & 0x1F) | ((hblankend & 0x20) << 2));
866 write3X4(CR06, vtotal & 0xFF);
867 write3X4(CR07, (vtotal & 0x100) >> 8 |
868 (vdispend & 0x100) >> 7 |
869 (vsyncstart & 0x100) >> 6 |
870 (vblankstart & 0x100) >> 5 |
872 (vtotal & 0x200) >> 4 |
873 (vdispend & 0x200) >> 3 | (vsyncstart & 0x200) >> 2);
875 write3X4(CR09, (vblankstart & 0x200) >> 4 | 0x40 | // FIX !!!
876 ((info->var.vmode & FB_VMODE_DOUBLE) ? 0x80 : 0));
877 write3X4(CR0A, 0); // Init to some reasonable default
878 write3X4(CR0B, 0); // Init to some reasonable default
879 write3X4(CR0C, 0); // Offset 0
880 write3X4(CR0D, 0); // Offset 0
881 write3X4(CR0E, 0); // Init to some reasonable default
882 write3X4(CR0F, 0); // Init to some reasonable default
883 write3X4(CR10, vsyncstart & 0xFF);
884 write3X4(CR11, (vsyncend & 0x0F));
885 write3X4(CR12, vdispend & 0xFF);
886 write3X4(CR13, ((info->var.xres_virtual * bpp) / (4 * 16)) & 0xFF);
887 write3X4(CR14, 0x40); // double word mode
888 write3X4(CR15, vblankstart & 0xFF);
889 write3X4(CR16, vblankend & 0xFF);
890 write3X4(CR17, 0xE3);
891 write3X4(CR18, 0xFF);
892 // CR19: needed for interlaced modes ... ignore it for now
893 write3X4(CR1A, 0x07); // Arbitration Control Counter 1
894 write3X4(CR1B, 0x07); // Arbitration Control Counter 2
895 write3X4(CR1C, 0x07); // Arbitration Control Counter 3
896 write3X4(CR1D, 0x00); // Don't know, doesn't hurt ; -)
897 write3X4(CR1E, (info->var.vmode & FB_VMODE_INTERLACED) ? 0x84 : 0x80);
898 // CR1F: do not set, contains BIOS info about memsize
899 write3X4(CR20, 0x20); // enabe wr buf, disable 16bit planar mode
900 write3X4(CR21, 0x20); // enable linear memory access
901 // CR22: RO cpu latch readback
903 // CR24: RO AR flag state
904 // CR25: RAMDAC rw timing, pclk buffer tristate control ????
906 write3X4(CR27, (vdispend & 0x400) >> 6 |
907 (vsyncstart & 0x400) >> 5 |
908 (vblankstart & 0x400) >> 4 |
909 (vtotal & 0x400) >> 3 |
912 write3X4(CR29, (read3X4(CR29) & 0xCF) | ((((info->var.xres_virtual *
913 bpp) / (4 * 16)) & 0x300) >> 4));
914 write3X4(CR2A, read3X4(CR2A) | 0x40);
915 write3X4(CR2B, (htotal & 0x100) >> 8 |
916 (hdispend & 0x100) >> 7 |
917 // (0x00 & 0x100) >> 6 | hinterlace para bit 8 ???
918 (hsyncstart & 0x100) >> 5 |
919 (hblankstart & 0x100) >> 4);
921 // CR2D: initialized in cyblafb_setup_GE()
922 write3X4(CR2F, 0x92); // conservative, better signal quality
927 // CR34: disabled in CR36
928 // CR35: disabled in CR36
929 // CR36: initialized in cyblafb_setup_GE
930 // CR37: i2c, ignore for now
931 write3X4(CR38, (bpp == 8) ? 0x00 : //
932 (bpp == 16) ? 0x05 : // highcolor
933 (bpp == 24) ? 0x29 : // packed 24bit truecolor
934 (bpp == 32) ? 0x09 : 0); // truecolor, 16 bit pixelbus
935 write3X4(CR39, 0x01 | // MMIO enable
936 (pcirb ? 0x02 : 0) | // pci read burst enable
937 (pciwb ? 0x04 : 0)); // pci write burst enable
938 write3X4(CR55, 0x1F | // pci clocks * 2 for STOP# during 1st data phase
939 (pcirr ? 0x40 : 0) | // pci read retry enable
940 (pciwr ? 0x80 : 0)); // pci write retry enable
941 write3X4(CR56, preendfetch >> 8 < 2 ? (preendfetch >> 8 & 0x01) | 2
943 write3X4(CR57, preendfetch >> 8 < 2 ? preendfetch & 0xff : 0);
944 write3X4(CR58, 0x82); // Bios does this .... don't know more
949 write3C4(SR01, 1); //set char clock 8 dots wide
950 write3C4(SR02, 0x0F); //enable 4 maps needed in chain4 mode
951 write3C4(SR03, 0); //no character map select
952 write3C4(SR04, 0x0E); //memory mode: ext mem, even, chain4
955 in8(0x3C5); // Set NEW mode
956 write3C4(SR0D, 0x00); // test ... check
958 set_vclk(par, (bpp == 32 ? 200000000 : 100000000)
959 / info->var.pixclock); //SR18, SR19
964 write3CE(GR00, 0x00); // test ... check
965 write3CE(GR01, 0x00); // test ... check
966 write3CE(GR02, 0x00); // test ... check
967 write3CE(GR03, 0x00); // test ... check
968 write3CE(GR04, 0x00); // test ... check
969 write3CE(GR05, 0x40); // no CGA compat, allow 256 col
970 write3CE(GR06, 0x05); // graphics mode
971 write3CE(GR07, 0x0F); // planes?
972 write3CE(GR08, 0xFF); // test ... check
973 write3CE(GR0F, (bpp == 32) ? 0x1A : 0x12); // vclk / 2 if 32bpp, chain4
974 write3CE(GR20, 0xC0); // test ... check
975 write3CE(GR2F, 0xA0); // PCLK = VCLK, no skew,
980 for (i = 0; i < 0x10; i++) // set AR00 .. AR0f
982 write3C0(AR10, 0x41); // graphics mode and support 256 color modes
983 write3C0(AR12, 0x0F); // planes
984 write3C0(AR13, 0); // horizontal pel panning
985 in8(0x3DA); // reset internal flag to 3c0 index
986 out8(0x3C0, 0x20); // enable attr
989 // Setup hidden RAMDAC command register
991 in8(0x3C8); // these reads are
992 in8(0x3C6); // necessary to
993 in8(0x3C6); // unmask the RAMDAC
994 in8(0x3C6); // command reg, otherwise
995 in8(0x3C6); // we would write the pixelmask reg!
996 out8(0x3C6, (bpp == 8) ? 0x00 : // 256 colors
997 (bpp == 15) ? 0x10 : //
998 (bpp == 16) ? 0x30 : // hicolor
999 (bpp == 24) ? 0xD0 : // truecolor
1000 (bpp == 32) ? 0xD0 : 0); // truecolor
1004 // GR31 is not mentioned in the datasheet
1006 if (displaytype == DISPLAY_FP)
1007 write3CE(GR31, (read3CE(GR31) & 0x8F) |
1008 ((info->var.yres > 1024) ? 0x50 :
1009 (info->var.yres > 768) ? 0x30 :
1010 (info->var.yres > 600) ? 0x20 :
1011 (info->var.yres > 480) ? 0x10 : 0));
1013 info->fix.visual = (bpp == 8) ? FB_VISUAL_PSEUDOCOLOR
1014 : FB_VISUAL_TRUECOLOR;
1015 info->fix.line_length = info->var.xres_virtual * (bpp >> 3);
1016 info->cmap.len = (bpp == 8) ? 256 : 16;
1019 // init acceleration engine
1021 cyblafb_setup_GE(info->var.xres_virtual, info->var.bits_per_pixel);
1024 // Set/clear flags to allow proper scroll mode selection.
1026 if (var->xres == var->xres_virtual)
1027 info->flags &= ~FBINFO_HWACCEL_XPAN;
1029 info->flags |= FBINFO_HWACCEL_XPAN;
1031 if (var->yres == var->yres_virtual)
1032 info->flags &= ~FBINFO_HWACCEL_YPAN;
1034 info->flags |= FBINFO_HWACCEL_YPAN;
1036 if (info->fix.smem_len !=
1037 var->xres_virtual * var->yres_virtual * bpp / 8)
1038 info->flags &= ~FBINFO_HWACCEL_YWRAP;
1040 info->flags |= FBINFO_HWACCEL_YWRAP;
1047 //========================
1049 // Set one color register
1051 //========================
1053 static int cyblafb_setcolreg(unsigned regno, unsigned red, unsigned green,
1054 unsigned blue, unsigned transp,
1055 struct fb_info *info)
1057 int bpp = info->var.bits_per_pixel;
1059 KD_GRAPHICS_RETURN(0);
1061 if (regno >= info->cmap.len)
1067 out8(0x3C9, red >> 10);
1068 out8(0x3C9, green >> 10);
1069 out8(0x3C9, blue >> 10);
1071 } else if (regno < 16) {
1072 if (bpp == 16) // RGB 565
1073 ((u32 *) info->pseudo_palette)[regno] =
1075 ((green & 0xFC00) >> 5) |
1076 ((blue & 0xF800) >> 11);
1077 else if (bpp == 32) // ARGB 8888
1078 ((u32 *) info->pseudo_palette)[regno] =
1079 ((transp & 0xFF00) << 16) |
1080 ((red & 0xFF00) << 8) |
1081 ((green & 0xFF00)) | ((blue & 0xFF00) >> 8);
1087 //==========================================================
1089 // Try blanking the screen. For flat panels it does nothing
1091 //==========================================================
1093 static int cyblafb_blank(int blank_mode, struct fb_info *info)
1095 unsigned char PMCont, DPMSCont;
1097 KD_GRAPHICS_RETURN(0);
1099 if (displaytype == DISPLAY_FP)
1102 out8(0x83C8, 0x04); // DPMS Control
1103 PMCont = in8(0x83C6) & 0xFC;
1105 DPMSCont = read3CE(GR23) & 0xFC;
1107 switch (blank_mode) {
1108 case FB_BLANK_UNBLANK: // Screen: On, HSync: On, VSync: On
1109 case FB_BLANK_NORMAL: // Screen: Off, HSync: On, VSync: On
1113 case FB_BLANK_HSYNC_SUSPEND: // Screen: Off, HSync: Off, VSync: On
1117 case FB_BLANK_VSYNC_SUSPEND: // Screen: Off, HSync: On, VSync: Off
1121 case FB_BLANK_POWERDOWN: // Screen: Off, HSync: Off, VSync: Off
1127 write3CE(GR23, DPMSCont);
1129 out8(0x83C6, PMCont);
1131 // let fbcon do a softblank for us
1133 return (blank_mode == FB_BLANK_NORMAL) ? 1 : 0;
1136 static struct fb_ops cyblafb_ops __devinitdata = {
1137 .owner = THIS_MODULE,
1138 .fb_setcolreg = cyblafb_setcolreg,
1139 .fb_pan_display = cyblafb_pan_display,
1140 .fb_blank = cyblafb_blank,
1141 .fb_check_var = cyblafb_check_var,
1142 .fb_set_par = cyblafb_set_par,
1143 .fb_fillrect = cyblafb_fillrect,
1144 .fb_copyarea = cyblafb_copyarea,
1145 .fb_imageblit = cyblafb_imageblit,
1146 .fb_sync = cyblafb_sync,
1147 .fb_restore_state = cyblafb_restore_state,
1148 .fb_save_state = cyblafb_save_state,
1151 //==========================================================================
1153 // getstartupmode() decides about the inital video mode
1155 // There is no reason to use modedb, a lot of video modes there would
1156 // need altered timings to display correctly. So I decided that it is much
1157 // better to provide a limited optimized set of modes plus the option of
1158 // using the mode in effect at startup time (might be selected using the
1159 // vga=??? parameter). After that the user might use fbset to select any
1160 // mode he likes, check_var will not try to alter geometry parameters as
1161 // it would be necessary otherwise.
1163 //==========================================================================
1165 static int __devinit getstartupmode(struct fb_info *info)
1167 u32 htotal, hdispend, hsyncstart, hsyncend, hblankstart, hblankend,
1168 vtotal, vdispend, vsyncstart, vsyncend, vblankstart, vblankend,
1169 cr00, cr01, cr02, cr03, cr04, cr05, cr2b,
1170 cr06, cr07, cr09, cr10, cr11, cr12, cr15, cr16, cr27,
1171 cr38, sr0d, sr18, sr19, gr0f, fi, pxclkdiv, vclkdiv, tmp, i;
1174 int xres; int vxres; int yres; int vyres;
1176 int left_margin; int right_margin;
1177 int upper_margin; int lower_margin;
1178 int hsync_len; int vsync_len;
1181 0, 2048, 0, 4096, 0, 0, 0, 0, 0, 0, 0, 0}, {
1182 640, 2048, 480, 4096, 0, 0, -40, 24, 17, 0, 216, 3}, {
1183 800, 2048, 600, 4096, 0, 0, 96, 24, 14, 0, 136, 11}, {
1184 1024, 2048, 768, 4096, 0, 0, 144, 24, 29, 0, 120, 3}, {
1185 1280, 2048, 1024, 4096, 0, 0, 232, 16, 39, 0, 160, 3}
1188 outb(0x00, 0x3d4); cr00 = inb(0x3d5);
1189 outb(0x01, 0x3d4); cr01 = inb(0x3d5);
1190 outb(0x02, 0x3d4); cr02 = inb(0x3d5);
1191 outb(0x03, 0x3d4); cr03 = inb(0x3d5);
1192 outb(0x04, 0x3d4); cr04 = inb(0x3d5);
1193 outb(0x05, 0x3d4); cr05 = inb(0x3d5);
1194 outb(0x06, 0x3d4); cr06 = inb(0x3d5);
1195 outb(0x07, 0x3d4); cr07 = inb(0x3d5);
1196 outb(0x09, 0x3d4); cr09 = inb(0x3d5);
1197 outb(0x10, 0x3d4); cr10 = inb(0x3d5);
1198 outb(0x11, 0x3d4); cr11 = inb(0x3d5);
1199 outb(0x12, 0x3d4); cr12 = inb(0x3d5);
1200 outb(0x15, 0x3d4); cr15 = inb(0x3d5);
1201 outb(0x16, 0x3d4); cr16 = inb(0x3d5);
1202 outb(0x27, 0x3d4); cr27 = inb(0x3d5);
1203 outb(0x2b, 0x3d4); cr2b = inb(0x3d5);
1204 outb(0x38, 0x3d4); cr38 = inb(0x3d5);
1209 outb(0x0d, 0x3c4); sr0d = inb(0x3c5);
1210 outb(0x18, 0x3c4); sr18 = inb(0x3c5);
1211 outb(0x19, 0x3c4); sr19 = inb(0x3c5);
1212 outb(0x0f, 0x3ce); gr0f = inb(0x3cf);
1214 htotal = cr00 | (cr2b & 0x01) << 8;
1215 hdispend = cr01 | (cr2b & 0x02) << 7;
1216 hblankstart = cr02 | (cr2b & 0x10) << 4;
1217 hblankend = (cr03 & 0x1f) | (cr05 & 0x80) >> 2;
1218 hsyncstart = cr04 | (cr2b & 0x08) << 5;
1219 hsyncend = cr05 & 0x1f;
1221 modedb[0].xres = hblankstart * 8;
1222 modedb[0].hsync_len = hsyncend * 8;
1223 modedb[0].right_margin = hsyncstart * 8 - modedb[0].xres;
1224 modedb[0].left_margin = (htotal + 5) * 8 - modedb[0].xres -
1225 modedb[0].right_margin - modedb[0].hsync_len;
1227 vtotal = cr06 | (cr07 & 0x01) << 8 | (cr07 & 0x20) << 4
1228 | (cr27 & 0x80) << 3;
1229 vdispend = cr12 | (cr07 & 0x02) << 7 | (cr07 & 0x40) << 3
1230 | (cr27 & 0x10) << 6;
1231 vsyncstart = cr10 | (cr07 & 0x04) << 6 | (cr07 & 0x80) << 2
1232 | (cr27 & 0x20) << 5;
1233 vsyncend = cr11 & 0x0f;
1234 vblankstart = cr15 | (cr07 & 0x08) << 5 | (cr09 & 0x20) << 4
1235 | (cr27 & 0x40) << 4;
1238 modedb[0].yres = vdispend + 1;
1239 modedb[0].vsync_len = vsyncend;
1240 modedb[0].lower_margin = vsyncstart - modedb[0].yres;
1241 modedb[0].upper_margin = vtotal - modedb[0].yres -
1242 modedb[0].lower_margin - modedb[0].vsync_len + 2;
1245 modedb[0].bpp = tmp == 0 ? 8 : tmp == 4 ? 16 : tmp == 28 ? 24 :
1248 fi = ((5864727 * (sr18 + 8)) /
1249 (((sr19 & 0x3f) + 2) * (1 << ((sr19 & 0xc0) >> 6)))) >> 12;
1250 pxclkdiv = ((gr0f & 0x08) >> 3 | (gr0f & 0x40) >> 5) + 1;
1252 vclkdiv = tmp == 0 ? 2 : tmp == 2 ? 4 : tmp == 4 ? 8 : 3; // * 2 !
1253 modedb[0].pxclk = ((100000000 * pxclkdiv * vclkdiv) >> 1) / fi;
1256 output("detected startup mode: "
1257 "fbset -g %d %d %d ??? %d -t %d %d %d %d %d %d %d\n",
1258 modedb[0].xres, modedb[0].yres, modedb[0].xres,
1259 modedb[0].bpp, modedb[0].pxclk, modedb[0].left_margin,
1260 modedb[0].right_margin, modedb[0].upper_margin,
1261 modedb[0].lower_margin, modedb[0].hsync_len,
1262 modedb[0].vsync_len);
1265 // We use this goto target in case of a failed check_var. No, I really
1266 // do not want to do it in another way!
1271 i = (mode == NULL) ? 0 :
1272 !strncmp(mode, "640x480", 7) ? 1 :
1273 !strncmp(mode, "800x600", 7) ? 2 :
1274 !strncmp(mode, "1024x768", 8) ? 3 :
1275 !strncmp(mode, "1280x1024", 9) ? 4 : 0;
1277 ref = (ref < 50) ? 50 : (ref > 85) ? 85 : ref;
1280 info->var.pixclock = modedb[i].pxclk;
1281 info->var.bits_per_pixel = modedb[i].bpp;
1283 info->var.pixclock = (100000000 /
1284 ((modedb[i].left_margin +
1286 modedb[i].right_margin +
1287 modedb[i].hsync_len) *
1288 (modedb[i].upper_margin +
1290 modedb[i].lower_margin +
1291 modedb[i].vsync_len) * ref / 10000));
1292 info->var.bits_per_pixel = bpp;
1295 info->var.left_margin = modedb[i].left_margin;
1296 info->var.right_margin = modedb[i].right_margin;
1297 info->var.xres = modedb[i].xres;
1298 if (!(modedb[i].yres == 1280 && modedb[i].bpp == 32))
1299 info->var.xres_virtual = modedb[i].vxres;
1301 info->var.xres_virtual = modedb[i].xres;
1302 info->var.xoffset = 0;
1303 info->var.hsync_len = modedb[i].hsync_len;
1304 info->var.upper_margin = modedb[i].upper_margin;
1305 info->var.yres = modedb[i].yres;
1306 info->var.yres_virtual = modedb[i].vyres;
1307 info->var.yoffset = 0;
1308 info->var.lower_margin = modedb[i].lower_margin;
1309 info->var.vsync_len = modedb[i].vsync_len;
1311 info->var.vmode = FB_VMODE_NONINTERLACED;
1313 if (cyblafb_check_var(&info->var, info)) {
1314 // 640x480 - 8@75 should really never fail. One case would
1315 // be fp == 1 and nativex < 640 ... give up then
1316 if (i == 1 && bpp == 8 && ref == 75) {
1317 output("Can't find a valid mode :-(\n");
1320 // Our detected mode is unlikely to fail. If it does,
1321 // try 640x480 - 8@75 ...
1326 output("Detected mode failed check_var! "
1327 "Trying 640x480 - 8@75\n");
1330 // A specified video mode failed for some reason.
1331 // Try the startup mode first
1332 output("Specified mode '%s' failed check! "
1333 "Falling back to startup mode.\n", mode);
1341 //========================================================
1343 // Detect activated memory size. Undefined values require
1344 // memsize parameter.
1346 //========================================================
1348 static unsigned int __devinit get_memsize(void)
1356 tmp = read3X4(CR1F) & 0x0F;
1359 k = 1 * 1024 * 1024;
1362 k = 2 * 1024 * 1024;
1365 k = 4 * 1024 * 1024;
1368 k = 8 * 1024 * 1024;
1371 k = 1 * 1024 * 1024;
1372 output("Unknown memory size code %x in CR1F."
1373 " We default to 1 Mb for now, please"
1374 " do provide a memsize parameter!\n", tmp);
1379 output("framebuffer size = %d Kb\n", k / Kb);
1383 //=========================================================
1385 // Detect if a flat panel monitor connected to the special
1386 // interface is active. Override is possible by fp and crt
1389 //=========================================================
1391 static unsigned int __devinit get_displaytype(void)
1397 return (read3CE(GR33) & 0x10) ? DISPLAY_FP : DISPLAY_CRT;
1400 //=====================================
1402 // Get native resolution of flat panel
1404 //=====================================
1406 static int __devinit get_nativex(void)
1413 tmp = (read3CE(GR52) >> 4) & 3;
1416 case 0: x = 1280; y = 1024;
1418 case 2: x = 1024; y = 768;
1420 case 3: x = 800; y = 600;
1422 case 4: x = 1400; y = 1050;
1431 output("%dx%d flat panel found\n", x, y);
1435 static int __devinit cybla_pci_probe(struct pci_dev *dev,
1436 const struct pci_device_id *id)
1438 struct fb_info *info;
1439 struct cyblafb_par *par;
1441 info = framebuffer_alloc(sizeof(struct cyblafb_par), &dev->dev);
1443 goto errout_alloc_info;
1445 info->pixmap.addr = kzalloc(CYBLAFB_PIXMAPSIZE, GFP_KERNEL);
1446 if (!info->pixmap.addr) {
1447 output("allocation of pixmap buffer failed!\n");
1448 goto errout_alloc_pixmap;
1450 info->pixmap.size = CYBLAFB_PIXMAPSIZE - 4;
1451 info->pixmap.buf_align = 4;
1452 info->pixmap.access_align = 32;
1453 info->pixmap.flags = FB_PIXMAP_SYSTEM;
1454 info->pixmap.scan_align = 4;
1457 par->ops = cyblafb_ops;
1459 info->fix = cyblafb_fix;
1460 info->fbops = &par->ops;
1461 info->fix = cyblafb_fix;
1463 if (pci_enable_device(dev)) {
1464 output("could not enable device!\n");
1467 // might already be requested by vga console or vesafb,
1468 // so we do care about success
1469 if (!request_region(0x3c0, 0x20, "cyblafb")) {
1470 output("region 0x3c0/0x20 already reserved\n");
1475 // Graphics Engine Registers
1477 if (!request_region(GEBase, 0x100, "cyblafb")) {
1478 output("region %#x/0x100 already reserved\n", GEBase);
1486 // setup MMIO region
1487 info->fix.mmio_start = pci_resource_start(dev, 1);
1488 info->fix.mmio_len = 0x20000;
1490 if (!request_mem_region(info->fix.mmio_start,
1491 info->fix.mmio_len, "cyblafb")) {
1492 output("request_mem_region failed for mmio region!\n");
1493 goto errout_mmio_reqmem;
1496 io_virt = ioremap_nocache(info->fix.mmio_start, info->fix.mmio_len);
1499 output("ioremap failed for mmio region\n");
1500 goto errout_mmio_remap;
1502 // setup framebuffer memory ... might already be requested
1503 // by vesafb. Not to fail in case of an unsuccessful request
1504 // is useful if both are loaded.
1505 info->fix.smem_start = pci_resource_start(dev, 0);
1506 info->fix.smem_len = get_memsize();
1508 if (!request_mem_region(info->fix.smem_start,
1509 info->fix.smem_len, "cyblafb")) {
1510 output("region %#lx/%#x already reserved\n",
1511 info->fix.smem_start, info->fix.smem_len);
1515 info->screen_base = ioremap_nocache(info->fix.smem_start,
1516 info->fix.smem_len);
1518 if (!info->screen_base) {
1519 output("ioremap failed for smem region\n");
1520 goto errout_smem_remap;
1523 displaytype = get_displaytype();
1525 if (displaytype == DISPLAY_FP)
1526 nativex = get_nativex();
1528 info->flags = FBINFO_DEFAULT
1529 | FBINFO_HWACCEL_COPYAREA
1530 | FBINFO_HWACCEL_FILLRECT
1531 | FBINFO_HWACCEL_IMAGEBLIT
1533 // | FBINFO_PARTIAL_PAN_OK
1534 | FBINFO_MISC_ALWAYS_SETPAR;
1536 info->pseudo_palette = par->pseudo_pal;
1538 if (getstartupmode(info))
1539 goto errout_findmode;
1541 fb_alloc_cmap(&info->cmap, 256, 0);
1543 if (register_framebuffer(info)) {
1544 output("Could not register CyBla framebuffer\n");
1545 goto errout_register;
1548 pci_set_drvdata(dev, info);
1551 // normal exit and error paths
1558 iounmap(info->screen_base);
1561 release_mem_region(info->fix.smem_start, info->fix.smem_len);
1564 release_mem_region(info->fix.mmio_start, info->fix.mmio_len);
1567 release_region(0x3c0, 32);
1569 kfree(info->pixmap.addr);
1570 errout_alloc_pixmap:
1571 framebuffer_release(info);
1573 output("CyblaFB version %s aborting init.\n", VERSION);
1577 static void __devexit cybla_pci_remove(struct pci_dev *dev)
1579 struct fb_info *info = pci_get_drvdata(dev);
1581 unregister_framebuffer(info);
1583 iounmap(info->screen_base);
1585 release_mem_region(info->fix.smem_start, info->fix.smem_len);
1586 release_mem_region(info->fix.mmio_start, info->fix.mmio_len);
1587 fb_dealloc_cmap(&info->cmap);
1589 release_region(GEBase, 0x100);
1591 release_region(0x3c0, 32);
1592 kfree(info->pixmap.addr);
1593 framebuffer_release(info);
1594 output("CyblaFB version %s normal exit.\n", VERSION);
1598 // List of boards that we are trying to support
1600 static struct pci_device_id cybla_devices[] = {
1601 {PCI_VENDOR_ID_TRIDENT, CYBERBLADEi1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
1605 MODULE_DEVICE_TABLE(pci, cybla_devices);
1607 static struct pci_driver cyblafb_pci_driver = {
1609 .id_table = cybla_devices,
1610 .probe = cybla_pci_probe,
1611 .remove = __devexit_p(cybla_pci_remove)
1614 //=============================================================
1616 // kernel command line example:
1618 // video=cyblafb:1280x1024, bpp=16, ref=50 ...
1620 // modprobe command line example:
1622 // modprobe cyblafb mode=1280x1024 bpp=16 ref=50 ...
1624 //=============================================================
1626 static int __devinit cyblafb_init(void)
1629 char *options = NULL;
1632 if (fb_get_options("cyblafb", &options))
1635 if (options && *options)
1636 while ((opt = strsep(&options, ",")) != NULL) {
1639 else if (!strncmp(opt, "bpp=", 4))
1640 bpp = simple_strtoul(opt + 4, NULL, 0);
1641 else if (!strncmp(opt, "ref=", 4))
1642 ref = simple_strtoul(opt + 4, NULL, 0);
1643 else if (!strncmp(opt, "fp", 2))
1644 displaytype = DISPLAY_FP;
1645 else if (!strncmp(opt, "crt", 3))
1646 displaytype = DISPLAY_CRT;
1647 else if (!strncmp(opt, "nativex=", 8))
1648 nativex = simple_strtoul(opt + 8, NULL, 0);
1649 else if (!strncmp(opt, "center", 6))
1651 else if (!strncmp(opt, "stretch", 7))
1653 else if (!strncmp(opt, "pciwb=", 6))
1654 pciwb = simple_strtoul(opt + 6, NULL, 0);
1655 else if (!strncmp(opt, "pcirb=", 6))
1656 pcirb = simple_strtoul(opt + 6, NULL, 0);
1657 else if (!strncmp(opt, "pciwr=", 6))
1658 pciwr = simple_strtoul(opt + 6, NULL, 0);
1659 else if (!strncmp(opt, "pcirr=", 6))
1660 pcirr = simple_strtoul(opt + 6, NULL, 0);
1661 else if (!strncmp(opt, "memsize=", 8))
1662 memsize = simple_strtoul(opt + 8, NULL, 0);
1663 else if (!strncmp(opt, "verbosity=", 10))
1664 verbosity = simple_strtoul(opt + 10, NULL, 0);
1669 output("CyblaFB version %s initializing\n", VERSION);
1670 return pci_register_driver(&cyblafb_pci_driver);
1673 static void __exit cyblafb_exit(void)
1675 pci_unregister_driver(&cyblafb_pci_driver);
1678 module_init(cyblafb_init);
1679 module_exit(cyblafb_exit);
1681 MODULE_AUTHOR("Knut Petersen <knut_petersen@t-online.de>");
1682 MODULE_DESCRIPTION("Framebuffer driver for Cyberblade/i1 graphics core");
1683 MODULE_LICENSE("GPL");