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31#include <linux/module.h>
32#include <linux/kernel.h>
33#include <linux/errno.h>
34#include <linux/string.h>
35#include <linux/mm.h>
36#include <linux/slab.h>
37#include <linux/fb.h>
38#include <linux/init.h>
39#include <linux/pci.h>
40#include <linux/pci_ids.h>
41#include <linux/resource.h>
42#include <linux/unistd.h>
43#include <linux/console.h>
44
45#include <asm/io.h>
46#include <asm/div64.h>
47#include <asm/page.h>
48
49#include "i810_regs.h"
50#include "i810.h"
51#include "i810_main.h"
52
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76
77static u32 v_offset_default __devinitdata;
78static u32 voffset __devinitdata;
79
80static int i810fb_cursor(struct fb_info *info, struct fb_cursor *cursor);
81static int __devinit i810fb_init_pci (struct pci_dev *dev,
82 const struct pci_device_id *entry);
83static void __exit i810fb_remove_pci(struct pci_dev *dev);
84static int i810fb_resume(struct pci_dev *dev);
85static int i810fb_suspend(struct pci_dev *dev, pm_message_t state);
86
87
88static int i810fb_set_par (struct fb_info *info);
89static int i810fb_getcolreg (u8 regno, u8 *red, u8 *green, u8 *blue,
90 u8 *transp, struct fb_info *info);
91static int i810fb_setcolreg (unsigned regno, unsigned red, unsigned green, unsigned blue,
92 unsigned transp, struct fb_info *info);
93static int i810fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info);
94static int i810fb_blank (int blank_mode, struct fb_info *info);
95
96
97static void i810fb_release_resource (struct fb_info *info, struct i810fb_par *par);
98
99
100static const char *i810_pci_list[] __devinitdata = {
101 "Intel(R) 810 Framebuffer Device" ,
102 "Intel(R) 810-DC100 Framebuffer Device" ,
103 "Intel(R) 810E Framebuffer Device" ,
104 "Intel(R) 815 (Internal Graphics 100Mhz FSB) Framebuffer Device" ,
105 "Intel(R) 815 (Internal Graphics only) Framebuffer Device" ,
106 "Intel(R) 815 (Internal Graphics with AGP) Framebuffer Device"
107};
108
109static struct pci_device_id i810fb_pci_tbl[] = {
110 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82810_IG1,
111 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
112 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82810_IG3,
113 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1 },
114 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82810E_IG,
115 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2 },
116
117 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82815_100,
118 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3 },
119 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82815_NOAGP,
120 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4 },
121 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82815_CGC,
122 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5 },
123 { 0 },
124};
125
126static struct pci_driver i810fb_driver = {
127 .name = "i810fb",
128 .id_table = i810fb_pci_tbl,
129 .probe = i810fb_init_pci,
130 .remove = __exit_p(i810fb_remove_pci),
131 .suspend = i810fb_suspend,
132 .resume = i810fb_resume,
133};
134
135static char *mode_option __devinitdata = NULL;
136static int vram __devinitdata = 4;
137static int bpp __devinitdata = 8;
138static int mtrr __devinitdata;
139static int accel __devinitdata;
140static int hsync1 __devinitdata;
141static int hsync2 __devinitdata;
142static int vsync1 __devinitdata;
143static int vsync2 __devinitdata;
144static int xres __devinitdata;
145static int yres;
146static int vyres __devinitdata;
147static int sync __devinitdata;
148static int extvga __devinitdata;
149static int dcolor __devinitdata;
150static int ddc3 __devinitdata = 2;
151
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164
165
166static void i810_screen_off(u8 __iomem *mmio, u8 mode)
167{
168 u32 count = WAIT_COUNT;
169 u8 val;
170
171 i810_writeb(SR_INDEX, mmio, SR01);
172 val = i810_readb(SR_DATA, mmio);
173 val = (mode == OFF) ? val | SCR_OFF :
174 val & ~SCR_OFF;
175
176 while((i810_readw(DISP_SL, mmio) & 0xFFF) && count--);
177 i810_writeb(SR_INDEX, mmio, SR01);
178 i810_writeb(SR_DATA, mmio, val);
179}
180
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186
187
188
189
190static void i810_dram_off(u8 __iomem *mmio, u8 mode)
191{
192 u8 val;
193
194 val = i810_readb(DRAMCH, mmio);
195 val &= DRAM_OFF;
196 val = (mode == OFF) ? val : val | DRAM_ON;
197 i810_writeb(DRAMCH, mmio, val);
198}
199
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201
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205
206
207
208
209static void i810_protect_regs(u8 __iomem *mmio, int mode)
210{
211 u8 reg;
212
213 i810_writeb(CR_INDEX_CGA, mmio, CR11);
214 reg = i810_readb(CR_DATA_CGA, mmio);
215 reg = (mode == OFF) ? reg & ~0x80 :
216 reg | 0x80;
217
218 i810_writeb(CR_INDEX_CGA, mmio, CR11);
219 i810_writeb(CR_DATA_CGA, mmio, reg);
220}
221
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225
226
227
228
229static void i810_load_pll(struct i810fb_par *par)
230{
231 u32 tmp1, tmp2;
232 u8 __iomem *mmio = par->mmio_start_virtual;
233
234 tmp1 = par->regs.M | par->regs.N << 16;
235 tmp2 = i810_readl(DCLK_2D, mmio);
236 tmp2 &= ~MN_MASK;
237 i810_writel(DCLK_2D, mmio, tmp1 | tmp2);
238
239 tmp1 = par->regs.P;
240 tmp2 = i810_readl(DCLK_0DS, mmio);
241 tmp2 &= ~(P_OR << 16);
242 i810_writel(DCLK_0DS, mmio, (tmp1 << 16) | tmp2);
243
244 i810_writeb(MSR_WRITE, mmio, par->regs.msr | 0xC8 | 1);
245
246}
247
248
249
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251
252
253
254
255static void i810_load_vga(struct i810fb_par *par)
256{
257 u8 __iomem *mmio = par->mmio_start_virtual;
258
259
260 i810_writeb(CR_INDEX_CGA, mmio, CR70);
261 i810_writeb(CR_DATA_CGA, mmio, par->interlace);
262
263 i810_writeb(CR_INDEX_CGA, mmio, CR00);
264 i810_writeb(CR_DATA_CGA, mmio, par->regs.cr00);
265 i810_writeb(CR_INDEX_CGA, mmio, CR01);
266 i810_writeb(CR_DATA_CGA, mmio, par->regs.cr01);
267 i810_writeb(CR_INDEX_CGA, mmio, CR02);
268 i810_writeb(CR_DATA_CGA, mmio, par->regs.cr02);
269 i810_writeb(CR_INDEX_CGA, mmio, CR03);
270 i810_writeb(CR_DATA_CGA, mmio, par->regs.cr03);
271 i810_writeb(CR_INDEX_CGA, mmio, CR04);
272 i810_writeb(CR_DATA_CGA, mmio, par->regs.cr04);
273 i810_writeb(CR_INDEX_CGA, mmio, CR05);
274 i810_writeb(CR_DATA_CGA, mmio, par->regs.cr05);
275 i810_writeb(CR_INDEX_CGA, mmio, CR06);
276 i810_writeb(CR_DATA_CGA, mmio, par->regs.cr06);
277 i810_writeb(CR_INDEX_CGA, mmio, CR09);
278 i810_writeb(CR_DATA_CGA, mmio, par->regs.cr09);
279 i810_writeb(CR_INDEX_CGA, mmio, CR10);
280 i810_writeb(CR_DATA_CGA, mmio, par->regs.cr10);
281 i810_writeb(CR_INDEX_CGA, mmio, CR11);
282 i810_writeb(CR_DATA_CGA, mmio, par->regs.cr11);
283 i810_writeb(CR_INDEX_CGA, mmio, CR12);
284 i810_writeb(CR_DATA_CGA, mmio, par->regs.cr12);
285 i810_writeb(CR_INDEX_CGA, mmio, CR15);
286 i810_writeb(CR_DATA_CGA, mmio, par->regs.cr15);
287 i810_writeb(CR_INDEX_CGA, mmio, CR16);
288 i810_writeb(CR_DATA_CGA, mmio, par->regs.cr16);
289}
290
291
292
293
294
295
296
297
298static void i810_load_vgax(struct i810fb_par *par)
299{
300 u8 __iomem *mmio = par->mmio_start_virtual;
301
302 i810_writeb(CR_INDEX_CGA, mmio, CR30);
303 i810_writeb(CR_DATA_CGA, mmio, par->regs.cr30);
304 i810_writeb(CR_INDEX_CGA, mmio, CR31);
305 i810_writeb(CR_DATA_CGA, mmio, par->regs.cr31);
306 i810_writeb(CR_INDEX_CGA, mmio, CR32);
307 i810_writeb(CR_DATA_CGA, mmio, par->regs.cr32);
308 i810_writeb(CR_INDEX_CGA, mmio, CR33);
309 i810_writeb(CR_DATA_CGA, mmio, par->regs.cr33);
310 i810_writeb(CR_INDEX_CGA, mmio, CR35);
311 i810_writeb(CR_DATA_CGA, mmio, par->regs.cr35);
312 i810_writeb(CR_INDEX_CGA, mmio, CR39);
313 i810_writeb(CR_DATA_CGA, mmio, par->regs.cr39);
314}
315
316
317
318
319
320
321
322
323static void i810_load_2d(struct i810fb_par *par)
324{
325 u32 tmp;
326 u8 tmp8;
327 u8 __iomem *mmio = par->mmio_start_virtual;
328
329 i810_writel(FW_BLC, mmio, par->watermark);
330 tmp = i810_readl(PIXCONF, mmio);
331 tmp |= 1 | 1 << 20;
332 i810_writel(PIXCONF, mmio, tmp);
333
334 i810_writel(OVRACT, mmio, par->ovract);
335
336 i810_writeb(GR_INDEX, mmio, GR10);
337 tmp8 = i810_readb(GR_DATA, mmio);
338 tmp8 |= 2;
339 i810_writeb(GR_INDEX, mmio, GR10);
340 i810_writeb(GR_DATA, mmio, tmp8);
341}
342
343
344
345
346
347static void i810_hires(u8 __iomem *mmio)
348{
349 u8 val;
350
351 i810_writeb(CR_INDEX_CGA, mmio, CR80);
352 val = i810_readb(CR_DATA_CGA, mmio);
353 i810_writeb(CR_INDEX_CGA, mmio, CR80);
354 i810_writeb(CR_DATA_CGA, mmio, val | 1);
355
356 i810_writel(MEM_MODE, mmio, i810_readl(MEM_MODE, mmio) | 4);
357}
358
359
360
361
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363
364
365
366static void i810_load_pitch(struct i810fb_par *par)
367{
368 u32 tmp, pitch;
369 u8 val;
370 u8 __iomem *mmio = par->mmio_start_virtual;
371
372 pitch = par->pitch >> 3;
373 i810_writeb(SR_INDEX, mmio, SR01);
374 val = i810_readb(SR_DATA, mmio);
375 val &= 0xE0;
376 val |= 1 | 1 << 2;
377 i810_writeb(SR_INDEX, mmio, SR01);
378 i810_writeb(SR_DATA, mmio, val);
379
380 tmp = pitch & 0xFF;
381 i810_writeb(CR_INDEX_CGA, mmio, CR13);
382 i810_writeb(CR_DATA_CGA, mmio, (u8) tmp);
383
384 tmp = pitch >> 8;
385 i810_writeb(CR_INDEX_CGA, mmio, CR41);
386 val = i810_readb(CR_DATA_CGA, mmio) & ~0x0F;
387 i810_writeb(CR_INDEX_CGA, mmio, CR41);
388 i810_writeb(CR_DATA_CGA, mmio, (u8) tmp | val);
389}
390
391
392
393
394
395
396
397
398static void i810_load_color(struct i810fb_par *par)
399{
400 u8 __iomem *mmio = par->mmio_start_virtual;
401 u32 reg1;
402 u16 reg2;
403
404 reg1 = i810_readl(PIXCONF, mmio) & ~(0xF0000 | 1 << 27);
405 reg2 = i810_readw(BLTCNTL, mmio) & ~0x30;
406
407 reg1 |= 0x8000 | par->pixconf;
408 reg2 |= par->bltcntl;
409 i810_writel(PIXCONF, mmio, reg1);
410 i810_writew(BLTCNTL, mmio, reg2);
411}
412
413
414
415
416
417
418
419
420static void i810_load_regs(struct i810fb_par *par)
421{
422 u8 __iomem *mmio = par->mmio_start_virtual;
423
424 i810_screen_off(mmio, OFF);
425 i810_protect_regs(mmio, OFF);
426 i810_dram_off(mmio, OFF);
427 i810_load_pll(par);
428 i810_load_vga(par);
429 i810_load_vgax(par);
430 i810_dram_off(mmio, ON);
431 i810_load_2d(par);
432 i810_hires(mmio);
433 i810_screen_off(mmio, ON);
434 i810_protect_regs(mmio, ON);
435 i810_load_color(par);
436 i810_load_pitch(par);
437}
438
439static void i810_write_dac(u8 regno, u8 red, u8 green, u8 blue,
440 u8 __iomem *mmio)
441{
442 i810_writeb(CLUT_INDEX_WRITE, mmio, regno);
443 i810_writeb(CLUT_DATA, mmio, red);
444 i810_writeb(CLUT_DATA, mmio, green);
445 i810_writeb(CLUT_DATA, mmio, blue);
446}
447
448static void i810_read_dac(u8 regno, u8 *red, u8 *green, u8 *blue,
449 u8 __iomem *mmio)
450{
451 i810_writeb(CLUT_INDEX_READ, mmio, regno);
452 *red = i810_readb(CLUT_DATA, mmio);
453 *green = i810_readb(CLUT_DATA, mmio);
454 *blue = i810_readb(CLUT_DATA, mmio);
455}
456
457
458
459
460static void i810_restore_pll(struct i810fb_par *par)
461{
462 u32 tmp1, tmp2;
463 u8 __iomem *mmio = par->mmio_start_virtual;
464
465 tmp1 = par->hw_state.dclk_2d;
466 tmp2 = i810_readl(DCLK_2D, mmio);
467 tmp1 &= ~MN_MASK;
468 tmp2 &= MN_MASK;
469 i810_writel(DCLK_2D, mmio, tmp1 | tmp2);
470
471 tmp1 = par->hw_state.dclk_1d;
472 tmp2 = i810_readl(DCLK_1D, mmio);
473 tmp1 &= ~MN_MASK;
474 tmp2 &= MN_MASK;
475 i810_writel(DCLK_1D, mmio, tmp1 | tmp2);
476
477 i810_writel(DCLK_0DS, mmio, par->hw_state.dclk_0ds);
478}
479
480static void i810_restore_dac(struct i810fb_par *par)
481{
482 u32 tmp1, tmp2;
483 u8 __iomem *mmio = par->mmio_start_virtual;
484
485 tmp1 = par->hw_state.pixconf;
486 tmp2 = i810_readl(PIXCONF, mmio);
487 tmp1 &= DAC_BIT;
488 tmp2 &= ~DAC_BIT;
489 i810_writel(PIXCONF, mmio, tmp1 | tmp2);
490}
491
492static void i810_restore_vgax(struct i810fb_par *par)
493{
494 u8 i, j;
495 u8 __iomem *mmio = par->mmio_start_virtual;
496
497 for (i = 0; i < 4; i++) {
498 i810_writeb(CR_INDEX_CGA, mmio, CR30+i);
499 i810_writeb(CR_DATA_CGA, mmio, *(&(par->hw_state.cr30) + i));
500 }
501 i810_writeb(CR_INDEX_CGA, mmio, CR35);
502 i810_writeb(CR_DATA_CGA, mmio, par->hw_state.cr35);
503 i810_writeb(CR_INDEX_CGA, mmio, CR39);
504 i810_writeb(CR_DATA_CGA, mmio, par->hw_state.cr39);
505 i810_writeb(CR_INDEX_CGA, mmio, CR41);
506 i810_writeb(CR_DATA_CGA, mmio, par->hw_state.cr39);
507
508
509 i810_writeb(CR_INDEX_CGA, mmio, CR70);
510 i = par->hw_state.cr70;
511 i &= INTERLACE_BIT;
512 j = i810_readb(CR_DATA_CGA, mmio);
513 i810_writeb(CR_INDEX_CGA, mmio, CR70);
514 i810_writeb(CR_DATA_CGA, mmio, j | i);
515
516 i810_writeb(CR_INDEX_CGA, mmio, CR80);
517 i810_writeb(CR_DATA_CGA, mmio, par->hw_state.cr80);
518 i810_writeb(MSR_WRITE, mmio, par->hw_state.msr);
519 i810_writeb(SR_INDEX, mmio, SR01);
520 i = (par->hw_state.sr01) & ~0xE0 ;
521 j = i810_readb(SR_DATA, mmio) & 0xE0;
522 i810_writeb(SR_INDEX, mmio, SR01);
523 i810_writeb(SR_DATA, mmio, i | j);
524}
525
526static void i810_restore_vga(struct i810fb_par *par)
527{
528 u8 i;
529 u8 __iomem *mmio = par->mmio_start_virtual;
530
531 for (i = 0; i < 10; i++) {
532 i810_writeb(CR_INDEX_CGA, mmio, CR00 + i);
533 i810_writeb(CR_DATA_CGA, mmio, *((&par->hw_state.cr00) + i));
534 }
535 for (i = 0; i < 8; i++) {
536 i810_writeb(CR_INDEX_CGA, mmio, CR10 + i);
537 i810_writeb(CR_DATA_CGA, mmio, *((&par->hw_state.cr10) + i));
538 }
539}
540
541static void i810_restore_addr_map(struct i810fb_par *par)
542{
543 u8 tmp;
544 u8 __iomem *mmio = par->mmio_start_virtual;
545
546 i810_writeb(GR_INDEX, mmio, GR10);
547 tmp = i810_readb(GR_DATA, mmio);
548 tmp &= ADDR_MAP_MASK;
549 tmp |= par->hw_state.gr10;
550 i810_writeb(GR_INDEX, mmio, GR10);
551 i810_writeb(GR_DATA, mmio, tmp);
552}
553
554static void i810_restore_2d(struct i810fb_par *par)
555{
556 u32 tmp_long;
557 u16 tmp_word;
558 u8 __iomem *mmio = par->mmio_start_virtual;
559
560 tmp_word = i810_readw(BLTCNTL, mmio);
561 tmp_word &= ~(3 << 4);
562 tmp_word |= par->hw_state.bltcntl;
563 i810_writew(BLTCNTL, mmio, tmp_word);
564
565 i810_dram_off(mmio, OFF);
566 i810_writel(PIXCONF, mmio, par->hw_state.pixconf);
567 i810_dram_off(mmio, ON);
568
569 tmp_word = i810_readw(HWSTAM, mmio);
570 tmp_word &= 3 << 13;
571 tmp_word |= par->hw_state.hwstam;
572 i810_writew(HWSTAM, mmio, tmp_word);
573
574 tmp_long = i810_readl(FW_BLC, mmio);
575 tmp_long &= FW_BLC_MASK;
576 tmp_long |= par->hw_state.fw_blc;
577 i810_writel(FW_BLC, mmio, tmp_long);
578
579 i810_writel(HWS_PGA, mmio, par->hw_state.hws_pga);
580 i810_writew(IER, mmio, par->hw_state.ier);
581 i810_writew(IMR, mmio, par->hw_state.imr);
582 i810_writel(DPLYSTAS, mmio, par->hw_state.dplystas);
583}
584
585static void i810_restore_vga_state(struct i810fb_par *par)
586{
587 u8 __iomem *mmio = par->mmio_start_virtual;
588
589 i810_screen_off(mmio, OFF);
590 i810_protect_regs(mmio, OFF);
591 i810_dram_off(mmio, OFF);
592 i810_restore_pll(par);
593 i810_restore_dac(par);
594 i810_restore_vga(par);
595 i810_restore_vgax(par);
596 i810_restore_addr_map(par);
597 i810_dram_off(mmio, ON);
598 i810_restore_2d(par);
599 i810_screen_off(mmio, ON);
600 i810_protect_regs(mmio, ON);
601}
602
603
604
605
606
607static void i810_save_vgax(struct i810fb_par *par)
608{
609 u8 i;
610 u8 __iomem *mmio = par->mmio_start_virtual;
611
612 for (i = 0; i < 4; i++) {
613 i810_writeb(CR_INDEX_CGA, mmio, CR30 + i);
614 *(&(par->hw_state.cr30) + i) = i810_readb(CR_DATA_CGA, mmio);
615 }
616 i810_writeb(CR_INDEX_CGA, mmio, CR35);
617 par->hw_state.cr35 = i810_readb(CR_DATA_CGA, mmio);
618 i810_writeb(CR_INDEX_CGA, mmio, CR39);
619 par->hw_state.cr39 = i810_readb(CR_DATA_CGA, mmio);
620 i810_writeb(CR_INDEX_CGA, mmio, CR41);
621 par->hw_state.cr41 = i810_readb(CR_DATA_CGA, mmio);
622 i810_writeb(CR_INDEX_CGA, mmio, CR70);
623 par->hw_state.cr70 = i810_readb(CR_DATA_CGA, mmio);
624 par->hw_state.msr = i810_readb(MSR_READ, mmio);
625 i810_writeb(CR_INDEX_CGA, mmio, CR80);
626 par->hw_state.cr80 = i810_readb(CR_DATA_CGA, mmio);
627 i810_writeb(SR_INDEX, mmio, SR01);
628 par->hw_state.sr01 = i810_readb(SR_DATA, mmio);
629}
630
631static void i810_save_vga(struct i810fb_par *par)
632{
633 u8 i;
634 u8 __iomem *mmio = par->mmio_start_virtual;
635
636 for (i = 0; i < 10; i++) {
637 i810_writeb(CR_INDEX_CGA, mmio, CR00 + i);
638 *((&par->hw_state.cr00) + i) = i810_readb(CR_DATA_CGA, mmio);
639 }
640 for (i = 0; i < 8; i++) {
641 i810_writeb(CR_INDEX_CGA, mmio, CR10 + i);
642 *((&par->hw_state.cr10) + i) = i810_readb(CR_DATA_CGA, mmio);
643 }
644}
645
646static void i810_save_2d(struct i810fb_par *par)
647{
648 u8 __iomem *mmio = par->mmio_start_virtual;
649
650 par->hw_state.dclk_2d = i810_readl(DCLK_2D, mmio);
651 par->hw_state.dclk_1d = i810_readl(DCLK_1D, mmio);
652 par->hw_state.dclk_0ds = i810_readl(DCLK_0DS, mmio);
653 par->hw_state.pixconf = i810_readl(PIXCONF, mmio);
654 par->hw_state.fw_blc = i810_readl(FW_BLC, mmio);
655 par->hw_state.bltcntl = i810_readw(BLTCNTL, mmio);
656 par->hw_state.hwstam = i810_readw(HWSTAM, mmio);
657 par->hw_state.hws_pga = i810_readl(HWS_PGA, mmio);
658 par->hw_state.ier = i810_readw(IER, mmio);
659 par->hw_state.imr = i810_readw(IMR, mmio);
660 par->hw_state.dplystas = i810_readl(DPLYSTAS, mmio);
661}
662
663static void i810_save_vga_state(struct i810fb_par *par)
664{
665 i810_save_vga(par);
666 i810_save_vgax(par);
667 i810_save_2d(par);
668}
669
670
671
672
673
674
675
676
677
678
679
680
681
682static u32 get_line_length(struct i810fb_par *par, int xres_virtual, int bpp)
683{
684 u32 length;
685
686 length = xres_virtual*bpp;
687 length = (length+31)&-32;
688 length >>= 3;
689 return length;
690}
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705static void i810_calc_dclk(u32 freq, u32 *m, u32 *n, u32 *p)
706{
707 u32 m_reg, n_reg, p_divisor, n_target_max;
708 u32 m_target, n_target, p_target, n_best, m_best, mod;
709 u32 f_out, target_freq, diff = 0, mod_min, diff_min;
710
711 diff_min = mod_min = 0xFFFFFFFF;
712 n_best = m_best = m_target = f_out = 0;
713
714 target_freq = freq;
715 n_target_max = 30;
716
717
718
719
720 p_divisor = 1;
721 p_target = 0;
722 while(!((1000000 * p_divisor)/(16 * 24 * target_freq)) &&
723 p_divisor <= 32) {
724 p_divisor <<= 1;
725 p_target++;
726 }
727
728 n_reg = m_reg = n_target = 3;
729 while (diff_min && mod_min && (n_target < n_target_max)) {
730 f_out = (p_divisor * n_reg * 1000000)/(4 * 24 * m_reg);
731 mod = (p_divisor * n_reg * 1000000) % (4 * 24 * m_reg);
732 m_target = m_reg;
733 n_target = n_reg;
734 if (f_out <= target_freq) {
735 n_reg++;
736 diff = target_freq - f_out;
737 } else {
738 m_reg++;
739 diff = f_out - target_freq;
740 }
741
742 if (diff_min > diff) {
743 diff_min = diff;
744 n_best = n_target;
745 m_best = m_target;
746 }
747
748 if (!diff && mod_min > mod) {
749 mod_min = mod;
750 n_best = n_target;
751 m_best = m_target;
752 }
753 }
754 if (m) *m = (m_best - 2) & 0x3FF;
755 if (n) *n = (n_best - 2) & 0x3FF;
756 if (p) *p = (p_target << 4);
757}
758
759
760
761
762
763
764
765
766
767
768
769
770
771static void i810_enable_cursor(u8 __iomem *mmio, int mode)
772{
773 u32 temp;
774
775 temp = i810_readl(PIXCONF, mmio);
776 temp = (mode == ON) ? temp | CURSOR_ENABLE_MASK :
777 temp & ~CURSOR_ENABLE_MASK;
778
779 i810_writel(PIXCONF, mmio, temp);
780}
781
782static void i810_reset_cursor_image(struct i810fb_par *par)
783{
784 u8 __iomem *addr = par->cursor_heap.virtual;
785 int i, j;
786
787 for (i = 64; i--; ) {
788 for (j = 0; j < 8; j++) {
789 i810_writeb(j, addr, 0xff);
790 i810_writeb(j+8, addr, 0x00);
791 }
792 addr +=16;
793 }
794}
795
796static void i810_load_cursor_image(int width, int height, u8 *data,
797 struct i810fb_par *par)
798{
799 u8 __iomem *addr = par->cursor_heap.virtual;
800 int i, j, w = width/8;
801 int mod = width % 8, t_mask, d_mask;
802
803 t_mask = 0xff >> mod;
804 d_mask = ~(0xff >> mod);
805 for (i = height; i--; ) {
806 for (j = 0; j < w; j++) {
807 i810_writeb(j+0, addr, 0x00);
808 i810_writeb(j+8, addr, *data++);
809 }
810 if (mod) {
811 i810_writeb(j+0, addr, t_mask);
812 i810_writeb(j+8, addr, *data++ & d_mask);
813 }
814 addr += 16;
815 }
816}
817
818static void i810_load_cursor_colors(int fg, int bg, struct fb_info *info)
819{
820 struct i810fb_par *par = info->par;
821 u8 __iomem *mmio = par->mmio_start_virtual;
822 u8 red, green, blue, trans, temp;
823
824 i810fb_getcolreg(bg, &red, &green, &blue, &trans, info);
825
826 temp = i810_readb(PIXCONF1, mmio);
827 i810_writeb(PIXCONF1, mmio, temp | EXTENDED_PALETTE);
828
829 i810_write_dac(4, red, green, blue, mmio);
830
831 i810_writeb(PIXCONF1, mmio, temp);
832
833 i810fb_getcolreg(fg, &red, &green, &blue, &trans, info);
834 temp = i810_readb(PIXCONF1, mmio);
835 i810_writeb(PIXCONF1, mmio, temp | EXTENDED_PALETTE);
836
837 i810_write_dac(5, red, green, blue, mmio);
838
839 i810_writeb(PIXCONF1, mmio, temp);
840}
841
842
843
844
845
846
847
848
849static void i810_init_cursor(struct i810fb_par *par)
850{
851 u8 __iomem *mmio = par->mmio_start_virtual;
852
853 i810_enable_cursor(mmio, OFF);
854 i810_writel(CURBASE, mmio, par->cursor_heap.physical);
855 i810_writew(CURCNTR, mmio, COORD_ACTIVE | CURSOR_MODE_64_XOR);
856}
857
858
859
860
861
862
863
864
865
866
867
868
869
870static void i810_round_off(struct fb_var_screeninfo *var)
871{
872 u32 xres, yres, vxres, vyres;
873
874
875
876
877
878 xres = var->xres;
879 yres = var->yres;
880 vxres = var->xres_virtual;
881 vyres = var->yres_virtual;
882
883 var->bits_per_pixel += 7;
884 var->bits_per_pixel &= ~7;
885
886 if (var->bits_per_pixel < 8)
887 var->bits_per_pixel = 8;
888 if (var->bits_per_pixel > 32)
889 var->bits_per_pixel = 32;
890
891 round_off_xres(&xres);
892 if (xres < 40)
893 xres = 40;
894 if (xres > 2048)
895 xres = 2048;
896 xres = (xres + 7) & ~7;
897
898 if (vxres < xres)
899 vxres = xres;
900
901 round_off_yres(&xres, &yres);
902 if (yres < 1)
903 yres = 1;
904 if (yres >= 2048)
905 yres = 2048;
906
907 if (vyres < yres)
908 vyres = yres;
909
910 if (var->bits_per_pixel == 32)
911 var->accel_flags = 0;
912
913
914 var->left_margin = (var->left_margin + 4) & ~7;
915 var->right_margin = (var->right_margin + 4) & ~7;
916 var->hsync_len = (var->hsync_len + 4) & ~7;
917
918 if (var->vmode & FB_VMODE_INTERLACED) {
919 if (!((yres + var->upper_margin + var->vsync_len +
920 var->lower_margin) & 1))
921 var->upper_margin++;
922 }
923
924 var->xres = xres;
925 var->yres = yres;
926 var->xres_virtual = vxres;
927 var->yres_virtual = vyres;
928}
929
930
931
932
933
934
935
936
937
938
939static void set_color_bitfields(struct fb_var_screeninfo *var)
940{
941 switch (var->bits_per_pixel) {
942 case 8:
943 var->red.offset = 0;
944 var->red.length = 8;
945 var->green.offset = 0;
946 var->green.length = 8;
947 var->blue.offset = 0;
948 var->blue.length = 8;
949 var->transp.offset = 0;
950 var->transp.length = 0;
951 break;
952 case 16:
953 var->green.length = (var->green.length == 5) ? 5 : 6;
954 var->red.length = 5;
955 var->blue.length = 5;
956 var->transp.length = 6 - var->green.length;
957 var->blue.offset = 0;
958 var->green.offset = 5;
959 var->red.offset = 5 + var->green.length;
960 var->transp.offset = (5 + var->red.offset) & 15;
961 break;
962 case 24:
963 case 32:
964 var->red.offset = 16;
965 var->red.length = 8;
966 var->green.offset = 8;
967 var->green.length = 8;
968 var->blue.offset = 0;
969 var->blue.length = 8;
970 var->transp.length = var->bits_per_pixel - 24;
971 var->transp.offset = (var->transp.length) ? 24 : 0;
972 break;
973 }
974 var->red.msb_right = 0;
975 var->green.msb_right = 0;
976 var->blue.msb_right = 0;
977 var->transp.msb_right = 0;
978}
979
980
981
982
983
984
985
986
987
988
989
990static int i810_check_params(struct fb_var_screeninfo *var,
991 struct fb_info *info)
992{
993 struct i810fb_par *par = info->par;
994 int line_length, vidmem, mode_valid = 0, retval = 0;
995 u32 vyres = var->yres_virtual, vxres = var->xres_virtual;
996
997
998
999
1000 line_length = get_line_length(par, vxres, var->bits_per_pixel);
1001 vidmem = line_length*vyres;
1002
1003 if (vidmem > par->fb.size) {
1004 vyres = par->fb.size/line_length;
1005 if (vyres < var->yres) {
1006 vyres = info->var.yres;
1007 vxres = par->fb.size/vyres;
1008 vxres /= var->bits_per_pixel >> 3;
1009 line_length = get_line_length(par, vxres,
1010 var->bits_per_pixel);
1011 vidmem = line_length * info->var.yres;
1012 if (vxres < var->xres) {
1013 printk("i810fb: required video memory, "
1014 "%d bytes, for %dx%d-%d (virtual) "
1015 "is out of range\n",
1016 vidmem, vxres, vyres,
1017 var->bits_per_pixel);
1018 return -ENOMEM;
1019 }
1020 }
1021 }
1022
1023 var->xres_virtual = vxres;
1024 var->yres_virtual = vyres;
1025
1026
1027
1028
1029 switch (var->bits_per_pixel) {
1030 case 8:
1031 info->monspecs.dclkmax = 234000000;
1032 break;
1033 case 16:
1034 info->monspecs.dclkmax = 229000000;
1035 break;
1036 case 24:
1037 case 32:
1038 info->monspecs.dclkmax = 204000000;
1039 break;
1040 }
1041
1042 info->monspecs.dclkmin = 15000000;
1043
1044 if (!fb_validate_mode(var, info))
1045 mode_valid = 1;
1046
1047#ifdef CONFIG_FB_I810_I2C
1048 if (!mode_valid && info->monspecs.gtf &&
1049 !fb_get_mode(FB_MAXTIMINGS, 0, var, info))
1050 mode_valid = 1;
1051
1052 if (!mode_valid && info->monspecs.modedb_len) {
1053 const struct fb_videomode *mode;
1054
1055 mode = fb_find_best_mode(var, &info->modelist);
1056 if (mode) {
1057 fb_videomode_to_var(var, mode);
1058 mode_valid = 1;
1059 }
1060 }
1061#endif
1062 if (!mode_valid && info->monspecs.modedb_len == 0) {
1063 if (fb_get_mode(FB_MAXTIMINGS, 0, var, info)) {
1064 int default_sync = (info->monspecs.hfmin-HFMIN)
1065 |(info->monspecs.hfmax-HFMAX)
1066 |(info->monspecs.vfmin-VFMIN)
1067 |(info->monspecs.vfmax-VFMAX);
1068 printk("i810fb: invalid video mode%s\n",
1069 default_sync ? "" : ". Specifying "
1070 "vsyncN/hsyncN parameters may help");
1071 retval = -EINVAL;
1072 }
1073 }
1074
1075 return retval;
1076}
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086static int encode_fix(struct fb_fix_screeninfo *fix, struct fb_info *info)
1087{
1088 struct i810fb_par *par = info->par;
1089
1090 memset(fix, 0, sizeof(struct fb_fix_screeninfo));
1091
1092 strcpy(fix->id, "I810");
1093 mutex_lock(&info->mm_lock);
1094 fix->smem_start = par->fb.physical;
1095 fix->smem_len = par->fb.size;
1096 mutex_unlock(&info->mm_lock);
1097 fix->type = FB_TYPE_PACKED_PIXELS;
1098 fix->type_aux = 0;
1099 fix->xpanstep = 8;
1100 fix->ypanstep = 1;
1101
1102 switch (info->var.bits_per_pixel) {
1103 case 8:
1104 fix->visual = FB_VISUAL_PSEUDOCOLOR;
1105 break;
1106 case 16:
1107 case 24:
1108 case 32:
1109 if (info->var.nonstd)
1110 fix->visual = FB_VISUAL_DIRECTCOLOR;
1111 else
1112 fix->visual = FB_VISUAL_TRUECOLOR;
1113 break;
1114 default:
1115 return -EINVAL;
1116 }
1117 fix->ywrapstep = 0;
1118 fix->line_length = par->pitch;
1119 fix->mmio_start = par->mmio_start_phys;
1120 fix->mmio_len = MMIO_SIZE;
1121 fix->accel = FB_ACCEL_I810;
1122
1123 return 0;
1124}
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135static void decode_var(const struct fb_var_screeninfo *var,
1136 struct i810fb_par *par)
1137{
1138 u32 xres, yres, vxres, vyres;
1139
1140 xres = var->xres;
1141 yres = var->yres;
1142 vxres = var->xres_virtual;
1143 vyres = var->yres_virtual;
1144
1145 switch (var->bits_per_pixel) {
1146 case 8:
1147 par->pixconf = PIXCONF8;
1148 par->bltcntl = 0;
1149 par->depth = 1;
1150 par->blit_bpp = BPP8;
1151 break;
1152 case 16:
1153 if (var->green.length == 5)
1154 par->pixconf = PIXCONF15;
1155 else
1156 par->pixconf = PIXCONF16;
1157 par->bltcntl = 16;
1158 par->depth = 2;
1159 par->blit_bpp = BPP16;
1160 break;
1161 case 24:
1162 par->pixconf = PIXCONF24;
1163 par->bltcntl = 32;
1164 par->depth = 3;
1165 par->blit_bpp = BPP24;
1166 break;
1167 case 32:
1168 par->pixconf = PIXCONF32;
1169 par->bltcntl = 0;
1170 par->depth = 4;
1171 par->blit_bpp = 3 << 24;
1172 break;
1173 }
1174 if (var->nonstd && var->bits_per_pixel != 8)
1175 par->pixconf |= 1 << 27;
1176
1177 i810_calc_dclk(var->pixclock, &par->regs.M,
1178 &par->regs.N, &par->regs.P);
1179 i810fb_encode_registers(var, par, xres, yres);
1180
1181 par->watermark = i810_get_watermark(var, par);
1182 par->pitch = get_line_length(par, vxres, var->bits_per_pixel);
1183}
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198static int i810fb_getcolreg(u8 regno, u8 *red, u8 *green, u8 *blue,
1199 u8 *transp, struct fb_info *info)
1200{
1201 struct i810fb_par *par = info->par;
1202 u8 __iomem *mmio = par->mmio_start_virtual;
1203 u8 temp;
1204
1205 if (info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
1206 if ((info->var.green.length == 5 && regno > 31) ||
1207 (info->var.green.length == 6 && regno > 63))
1208 return 1;
1209 }
1210
1211 temp = i810_readb(PIXCONF1, mmio);
1212 i810_writeb(PIXCONF1, mmio, temp & ~EXTENDED_PALETTE);
1213
1214 if (info->fix.visual == FB_VISUAL_DIRECTCOLOR &&
1215 info->var.green.length == 5)
1216 i810_read_dac(regno * 8, red, green, blue, mmio);
1217
1218 else if (info->fix.visual == FB_VISUAL_DIRECTCOLOR &&
1219 info->var.green.length == 6) {
1220 u8 tmp;
1221
1222 i810_read_dac(regno * 8, red, &tmp, blue, mmio);
1223 i810_read_dac(regno * 4, &tmp, green, &tmp, mmio);
1224 }
1225 else
1226 i810_read_dac(regno, red, green, blue, mmio);
1227
1228 *transp = 0;
1229 i810_writeb(PIXCONF1, mmio, temp);
1230
1231 return 0;
1232}
1233
1234
1235
1236
1237
1238static int i810fb_open(struct fb_info *info, int user)
1239{
1240 struct i810fb_par *par = info->par;
1241
1242 mutex_lock(&par->open_lock);
1243 if (par->use_count == 0) {
1244 memset(&par->state, 0, sizeof(struct vgastate));
1245 par->state.flags = VGA_SAVE_CMAP;
1246 par->state.vgabase = par->mmio_start_virtual;
1247 save_vga(&par->state);
1248
1249 i810_save_vga_state(par);
1250 }
1251
1252 par->use_count++;
1253 mutex_unlock(&par->open_lock);
1254
1255 return 0;
1256}
1257
1258static int i810fb_release(struct fb_info *info, int user)
1259{
1260 struct i810fb_par *par = info->par;
1261
1262 mutex_lock(&par->open_lock);
1263 if (par->use_count == 0) {
1264 mutex_unlock(&par->open_lock);
1265 return -EINVAL;
1266 }
1267
1268 if (par->use_count == 1) {
1269 i810_restore_vga_state(par);
1270 restore_vga(&par->state);
1271 }
1272
1273 par->use_count--;
1274 mutex_unlock(&par->open_lock);
1275
1276 return 0;
1277}
1278
1279
1280static int i810fb_setcolreg(unsigned regno, unsigned red, unsigned green,
1281 unsigned blue, unsigned transp,
1282 struct fb_info *info)
1283{
1284 struct i810fb_par *par = info->par;
1285 u8 __iomem *mmio = par->mmio_start_virtual;
1286 u8 temp;
1287 int i;
1288
1289 if (regno > 255) return 1;
1290
1291 if (info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
1292 if ((info->var.green.length == 5 && regno > 31) ||
1293 (info->var.green.length == 6 && regno > 63))
1294 return 1;
1295 }
1296
1297 if (info->var.grayscale)
1298 red = green = blue = (19595 * red + 38470 * green +
1299 7471 * blue) >> 16;
1300
1301 temp = i810_readb(PIXCONF1, mmio);
1302 i810_writeb(PIXCONF1, mmio, temp & ~EXTENDED_PALETTE);
1303
1304 if (info->fix.visual == FB_VISUAL_DIRECTCOLOR &&
1305 info->var.green.length == 5) {
1306 for (i = 0; i < 8; i++)
1307 i810_write_dac((u8) (regno * 8) + i, (u8) red,
1308 (u8) green, (u8) blue, mmio);
1309 } else if (info->fix.visual == FB_VISUAL_DIRECTCOLOR &&
1310 info->var.green.length == 6) {
1311 u8 r, g, b;
1312
1313 if (regno < 32) {
1314 for (i = 0; i < 8; i++)
1315 i810_write_dac((u8) (regno * 8) + i,
1316 (u8) red, (u8) green,
1317 (u8) blue, mmio);
1318 }
1319 i810_read_dac((u8) (regno*4), &r, &g, &b, mmio);
1320 for (i = 0; i < 4; i++)
1321 i810_write_dac((u8) (regno*4) + i, r, (u8) green,
1322 b, mmio);
1323 } else if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) {
1324 i810_write_dac((u8) regno, (u8) red, (u8) green,
1325 (u8) blue, mmio);
1326 }
1327
1328 i810_writeb(PIXCONF1, mmio, temp);
1329
1330 if (regno < 16) {
1331 switch (info->var.bits_per_pixel) {
1332 case 16:
1333 if (info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
1334 if (info->var.green.length == 5)
1335 ((u32 *)info->pseudo_palette)[regno] =
1336 (regno << 10) | (regno << 5) |
1337 regno;
1338 else
1339 ((u32 *)info->pseudo_palette)[regno] =
1340 (regno << 11) | (regno << 5) |
1341 regno;
1342 } else {
1343 if (info->var.green.length == 5) {
1344
1345 ((u32 *)info->pseudo_palette)[regno] =
1346 ((red & 0xf800) >> 1) |
1347 ((green & 0xf800) >> 6) |
1348 ((blue & 0xf800) >> 11);
1349 } else {
1350
1351 ((u32 *)info->pseudo_palette)[regno] =
1352 (red & 0xf800) |
1353 ((green & 0xf800) >> 5) |
1354 ((blue & 0xf800) >> 11);
1355 }
1356 }
1357 break;
1358 case 24:
1359 case 32:
1360 if (info->fix.visual == FB_VISUAL_DIRECTCOLOR)
1361 ((u32 *)info->pseudo_palette)[regno] =
1362 (regno << 16) | (regno << 8) |
1363 regno;
1364 else
1365 ((u32 *)info->pseudo_palette)[regno] =
1366 ((red & 0xff00) << 8) |
1367 (green & 0xff00) |
1368 ((blue & 0xff00) >> 8);
1369 break;
1370 }
1371 }
1372 return 0;
1373}
1374
1375static int i810fb_pan_display(struct fb_var_screeninfo *var,
1376 struct fb_info *info)
1377{
1378 struct i810fb_par *par = info->par;
1379 u32 total;
1380
1381 total = var->xoffset * par->depth +
1382 var->yoffset * info->fix.line_length;
1383 i810fb_load_front(total, info);
1384
1385 return 0;
1386}
1387
1388static int i810fb_blank (int blank_mode, struct fb_info *info)
1389{
1390 struct i810fb_par *par = info->par;
1391 u8 __iomem *mmio = par->mmio_start_virtual;
1392 int mode = 0, pwr, scr_off = 0;
1393
1394 pwr = i810_readl(PWR_CLKC, mmio);
1395
1396 switch (blank_mode) {
1397 case FB_BLANK_UNBLANK:
1398 mode = POWERON;
1399 pwr |= 1;
1400 scr_off = ON;
1401 break;
1402 case FB_BLANK_NORMAL:
1403 mode = POWERON;
1404 pwr |= 1;
1405 scr_off = OFF;
1406 break;
1407 case FB_BLANK_VSYNC_SUSPEND:
1408 mode = STANDBY;
1409 pwr |= 1;
1410 scr_off = OFF;
1411 break;
1412 case FB_BLANK_HSYNC_SUSPEND:
1413 mode = SUSPEND;
1414 pwr |= 1;
1415 scr_off = OFF;
1416 break;
1417 case FB_BLANK_POWERDOWN:
1418 mode = POWERDOWN;
1419 pwr &= ~1;
1420 scr_off = OFF;
1421 break;
1422 default:
1423 return -EINVAL;
1424 }
1425
1426 i810_screen_off(mmio, scr_off);
1427 i810_writel(HVSYNC, mmio, mode);
1428 i810_writel(PWR_CLKC, mmio, pwr);
1429
1430 return 0;
1431}
1432
1433static int i810fb_set_par(struct fb_info *info)
1434{
1435 struct i810fb_par *par = info->par;
1436
1437 decode_var(&info->var, par);
1438 i810_load_regs(par);
1439 i810_init_cursor(par);
1440 encode_fix(&info->fix, info);
1441
1442 if (info->var.accel_flags && !(par->dev_flags & LOCKUP)) {
1443 info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN |
1444 FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT |
1445 FBINFO_HWACCEL_IMAGEBLIT;
1446 info->pixmap.scan_align = 2;
1447 } else {
1448 info->pixmap.scan_align = 1;
1449 info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
1450 }
1451 return 0;
1452}
1453
1454static int i810fb_check_var(struct fb_var_screeninfo *var,
1455 struct fb_info *info)
1456{
1457 int err;
1458
1459 if (IS_DVT) {
1460 var->vmode &= ~FB_VMODE_MASK;
1461 var->vmode |= FB_VMODE_NONINTERLACED;
1462 }
1463 if (var->vmode & FB_VMODE_DOUBLE) {
1464 var->vmode &= ~FB_VMODE_MASK;
1465 var->vmode |= FB_VMODE_NONINTERLACED;
1466 }
1467
1468 i810_round_off(var);
1469 if ((err = i810_check_params(var, info)))
1470 return err;
1471
1472 i810fb_fill_var_timings(var);
1473 set_color_bitfields(var);
1474 return 0;
1475}
1476
1477static int i810fb_cursor(struct fb_info *info, struct fb_cursor *cursor)
1478{
1479 struct i810fb_par *par = info->par;
1480 u8 __iomem *mmio = par->mmio_start_virtual;
1481
1482 if (par->dev_flags & LOCKUP)
1483 return -ENXIO;
1484
1485 if (cursor->image.width > 64 || cursor->image.height > 64)
1486 return -ENXIO;
1487
1488 if ((i810_readl(CURBASE, mmio) & 0xf) != par->cursor_heap.physical) {
1489 i810_init_cursor(par);
1490 cursor->set |= FB_CUR_SETALL;
1491 }
1492
1493 i810_enable_cursor(mmio, OFF);
1494
1495 if (cursor->set & FB_CUR_SETPOS) {
1496 u32 tmp;
1497
1498 tmp = (cursor->image.dx - info->var.xoffset) & 0xffff;
1499 tmp |= (cursor->image.dy - info->var.yoffset) << 16;
1500 i810_writel(CURPOS, mmio, tmp);
1501 }
1502
1503 if (cursor->set & FB_CUR_SETSIZE)
1504 i810_reset_cursor_image(par);
1505
1506 if (cursor->set & FB_CUR_SETCMAP)
1507 i810_load_cursor_colors(cursor->image.fg_color,
1508 cursor->image.bg_color,
1509 info);
1510
1511 if (cursor->set & (FB_CUR_SETSHAPE | FB_CUR_SETIMAGE)) {
1512 int size = ((cursor->image.width + 7) >> 3) *
1513 cursor->image.height;
1514 int i;
1515 u8 *data = kmalloc(64 * 8, GFP_ATOMIC);
1516
1517 if (data == NULL)
1518 return -ENOMEM;
1519
1520 switch (cursor->rop) {
1521 case ROP_XOR:
1522 for (i = 0; i < size; i++)
1523 data[i] = cursor->image.data[i] ^ cursor->mask[i];
1524 break;
1525 case ROP_COPY:
1526 default:
1527 for (i = 0; i < size; i++)
1528 data[i] = cursor->image.data[i] & cursor->mask[i];
1529 break;
1530 }
1531
1532 i810_load_cursor_image(cursor->image.width,
1533 cursor->image.height, data,
1534 par);
1535 kfree(data);
1536 }
1537
1538 if (cursor->enable)
1539 i810_enable_cursor(mmio, ON);
1540
1541 return 0;
1542}
1543
1544static struct fb_ops i810fb_ops __devinitdata = {
1545 .owner = THIS_MODULE,
1546 .fb_open = i810fb_open,
1547 .fb_release = i810fb_release,
1548 .fb_check_var = i810fb_check_var,
1549 .fb_set_par = i810fb_set_par,
1550 .fb_setcolreg = i810fb_setcolreg,
1551 .fb_blank = i810fb_blank,
1552 .fb_pan_display = i810fb_pan_display,
1553 .fb_fillrect = i810fb_fillrect,
1554 .fb_copyarea = i810fb_copyarea,
1555 .fb_imageblit = i810fb_imageblit,
1556 .fb_cursor = i810fb_cursor,
1557 .fb_sync = i810fb_sync,
1558};
1559
1560
1561
1562
1563static int i810fb_suspend(struct pci_dev *dev, pm_message_t mesg)
1564{
1565 struct fb_info *info = pci_get_drvdata(dev);
1566 struct i810fb_par *par = info->par;
1567
1568 par->cur_state = mesg.event;
1569
1570 switch (mesg.event) {
1571 case PM_EVENT_FREEZE:
1572 case PM_EVENT_PRETHAW:
1573 dev->dev.power.power_state = mesg;
1574 return 0;
1575 }
1576
1577 acquire_console_sem();
1578 fb_set_suspend(info, 1);
1579
1580 if (info->fbops->fb_sync)
1581 info->fbops->fb_sync(info);
1582
1583 i810fb_blank(FB_BLANK_POWERDOWN, info);
1584 agp_unbind_memory(par->i810_gtt.i810_fb_memory);
1585 agp_unbind_memory(par->i810_gtt.i810_cursor_memory);
1586
1587 pci_save_state(dev);
1588 pci_disable_device(dev);
1589 pci_set_power_state(dev, pci_choose_state(dev, mesg));
1590 release_console_sem();
1591
1592 return 0;
1593}
1594
1595static int i810fb_resume(struct pci_dev *dev)
1596{
1597 struct fb_info *info = pci_get_drvdata(dev);
1598 struct i810fb_par *par = info->par;
1599 int cur_state = par->cur_state;
1600
1601 par->cur_state = PM_EVENT_ON;
1602
1603 if (cur_state == PM_EVENT_FREEZE) {
1604 pci_set_power_state(dev, PCI_D0);
1605 return 0;
1606 }
1607
1608 acquire_console_sem();
1609 pci_set_power_state(dev, PCI_D0);
1610 pci_restore_state(dev);
1611
1612 if (pci_enable_device(dev))
1613 goto fail;
1614
1615 pci_set_master(dev);
1616 agp_bind_memory(par->i810_gtt.i810_fb_memory,
1617 par->fb.offset);
1618 agp_bind_memory(par->i810_gtt.i810_cursor_memory,
1619 par->cursor_heap.offset);
1620 i810fb_set_par(info);
1621 fb_set_suspend (info, 0);
1622 info->fbops->fb_blank(VESA_NO_BLANKING, info);
1623fail:
1624 release_console_sem();
1625 return 0;
1626}
1627
1628
1629
1630
1631static void __devinit i810_fix_pointers(struct i810fb_par *par)
1632{
1633 par->fb.physical = par->aperture.physical+(par->fb.offset << 12);
1634 par->fb.virtual = par->aperture.virtual+(par->fb.offset << 12);
1635 par->iring.physical = par->aperture.physical +
1636 (par->iring.offset << 12);
1637 par->iring.virtual = par->aperture.virtual +
1638 (par->iring.offset << 12);
1639 par->cursor_heap.virtual = par->aperture.virtual+
1640 (par->cursor_heap.offset << 12);
1641}
1642
1643static void __devinit i810_fix_offsets(struct i810fb_par *par)
1644{
1645 if (vram + 1 > par->aperture.size >> 20)
1646 vram = (par->aperture.size >> 20) - 1;
1647 if (v_offset_default > (par->aperture.size >> 20))
1648 v_offset_default = (par->aperture.size >> 20);
1649 if (vram + v_offset_default + 1 > par->aperture.size >> 20)
1650 v_offset_default = (par->aperture.size >> 20) - (vram + 1);
1651
1652 par->fb.size = vram << 20;
1653 par->fb.offset = v_offset_default << 20;
1654 par->fb.offset >>= 12;
1655
1656 par->iring.offset = par->fb.offset + (par->fb.size >> 12);
1657 par->iring.size = RINGBUFFER_SIZE;
1658
1659 par->cursor_heap.offset = par->iring.offset + (RINGBUFFER_SIZE >> 12);
1660 par->cursor_heap.size = 4096;
1661}
1662
1663static int __devinit i810_alloc_agp_mem(struct fb_info *info)
1664{
1665 struct i810fb_par *par = info->par;
1666 int size;
1667 struct agp_bridge_data *bridge;
1668
1669 i810_fix_offsets(par);
1670 size = par->fb.size + par->iring.size;
1671
1672 if (!(bridge = agp_backend_acquire(par->dev))) {
1673 printk("i810fb_alloc_fbmem: cannot acquire agpgart\n");
1674 return -ENODEV;
1675 }
1676 if (!(par->i810_gtt.i810_fb_memory =
1677 agp_allocate_memory(bridge, size >> 12, AGP_NORMAL_MEMORY))) {
1678 printk("i810fb_alloc_fbmem: can't allocate framebuffer "
1679 "memory\n");
1680 agp_backend_release(bridge);
1681 return -ENOMEM;
1682 }
1683 if (agp_bind_memory(par->i810_gtt.i810_fb_memory,
1684 par->fb.offset)) {
1685 printk("i810fb_alloc_fbmem: can't bind framebuffer memory\n");
1686 agp_backend_release(bridge);
1687 return -EBUSY;
1688 }
1689
1690 if (!(par->i810_gtt.i810_cursor_memory =
1691 agp_allocate_memory(bridge, par->cursor_heap.size >> 12,
1692 AGP_PHYSICAL_MEMORY))) {
1693 printk("i810fb_alloc_cursormem: can't allocate"
1694 "cursor memory\n");
1695 agp_backend_release(bridge);
1696 return -ENOMEM;
1697 }
1698 if (agp_bind_memory(par->i810_gtt.i810_cursor_memory,
1699 par->cursor_heap.offset)) {
1700 printk("i810fb_alloc_cursormem: cannot bind cursor memory\n");
1701 agp_backend_release(bridge);
1702 return -EBUSY;
1703 }
1704
1705 par->cursor_heap.physical = par->i810_gtt.i810_cursor_memory->physical;
1706
1707 i810_fix_pointers(par);
1708
1709 agp_backend_release(bridge);
1710
1711 return 0;
1712}
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726static void __devinit i810_init_monspecs(struct fb_info *info)
1727{
1728 if (!hsync1)
1729 hsync1 = HFMIN;
1730 if (!hsync2)
1731 hsync2 = HFMAX;
1732 if (!info->monspecs.hfmax)
1733 info->monspecs.hfmax = hsync2;
1734 if (!info->monspecs.hfmin)
1735 info->monspecs.hfmin = hsync1;
1736 if (hsync2 < hsync1)
1737 info->monspecs.hfmin = hsync2;
1738
1739 if (!vsync1)
1740 vsync1 = VFMIN;
1741 if (!vsync2)
1742 vsync2 = VFMAX;
1743 if (IS_DVT && vsync1 < 60)
1744 vsync1 = 60;
1745 if (!info->monspecs.vfmax)
1746 info->monspecs.vfmax = vsync2;
1747 if (!info->monspecs.vfmin)
1748 info->monspecs.vfmin = vsync1;
1749 if (vsync2 < vsync1)
1750 info->monspecs.vfmin = vsync2;
1751}
1752
1753
1754
1755
1756
1757
1758static void __devinit i810_init_defaults(struct i810fb_par *par,
1759 struct fb_info *info)
1760{
1761 mutex_init(&par->open_lock);
1762
1763 if (voffset)
1764 v_offset_default = voffset;
1765 else if (par->aperture.size > 32 * 1024 * 1024)
1766 v_offset_default = 16;
1767 else
1768 v_offset_default = 8;
1769
1770 if (!vram)
1771 vram = 1;
1772
1773 if (accel)
1774 par->dev_flags |= HAS_ACCELERATION;
1775
1776 if (sync)
1777 par->dev_flags |= ALWAYS_SYNC;
1778
1779 par->ddc_num = ddc3;
1780
1781 if (bpp < 8)
1782 bpp = 8;
1783
1784 par->i810fb_ops = i810fb_ops;
1785
1786 if (xres)
1787 info->var.xres = xres;
1788 else
1789 info->var.xres = 640;
1790
1791 if (yres)
1792 info->var.yres = yres;
1793 else
1794 info->var.yres = 480;
1795
1796 if (!vyres)
1797 vyres = (vram << 20)/(info->var.xres*bpp >> 3);
1798
1799 info->var.yres_virtual = vyres;
1800 info->var.bits_per_pixel = bpp;
1801
1802 if (dcolor)
1803 info->var.nonstd = 1;
1804
1805 if (par->dev_flags & HAS_ACCELERATION)
1806 info->var.accel_flags = 1;
1807
1808 i810_init_monspecs(info);
1809}
1810
1811
1812
1813
1814
1815static void __devinit i810_init_device(struct i810fb_par *par)
1816{
1817 u8 reg;
1818 u8 __iomem *mmio = par->mmio_start_virtual;
1819
1820 if (mtrr) set_mtrr(par);
1821
1822 i810_init_cursor(par);
1823
1824
1825 if (extvga) {
1826 i810_writel(HVSYNC, mmio, 0);
1827 i810_writel(PWR_CLKC, mmio, 3);
1828 }
1829
1830 pci_read_config_byte(par->dev, 0x50, ®);
1831 reg &= FREQ_MASK;
1832 par->mem_freq = (reg) ? 133 : 100;
1833
1834}
1835
1836static int __devinit
1837i810_allocate_pci_resource(struct i810fb_par *par,
1838 const struct pci_device_id *entry)
1839{
1840 int err;
1841
1842 if ((err = pci_enable_device(par->dev))) {
1843 printk("i810fb_init: cannot enable device\n");
1844 return err;
1845 }
1846 par->res_flags |= PCI_DEVICE_ENABLED;
1847
1848 if (pci_resource_len(par->dev, 0) > 512 * 1024) {
1849 par->aperture.physical = pci_resource_start(par->dev, 0);
1850 par->aperture.size = pci_resource_len(par->dev, 0);
1851 par->mmio_start_phys = pci_resource_start(par->dev, 1);
1852 } else {
1853 par->aperture.physical = pci_resource_start(par->dev, 1);
1854 par->aperture.size = pci_resource_len(par->dev, 1);
1855 par->mmio_start_phys = pci_resource_start(par->dev, 0);
1856 }
1857 if (!par->aperture.size) {
1858 printk("i810fb_init: device is disabled\n");
1859 return -ENOMEM;
1860 }
1861
1862 if (!request_mem_region(par->aperture.physical,
1863 par->aperture.size,
1864 i810_pci_list[entry->driver_data])) {
1865 printk("i810fb_init: cannot request framebuffer region\n");
1866 return -ENODEV;
1867 }
1868 par->res_flags |= FRAMEBUFFER_REQ;
1869
1870 par->aperture.virtual = ioremap_nocache(par->aperture.physical,
1871 par->aperture.size);
1872 if (!par->aperture.virtual) {
1873 printk("i810fb_init: cannot remap framebuffer region\n");
1874 return -ENODEV;
1875 }
1876
1877 if (!request_mem_region(par->mmio_start_phys,
1878 MMIO_SIZE,
1879 i810_pci_list[entry->driver_data])) {
1880 printk("i810fb_init: cannot request mmio region\n");
1881 return -ENODEV;
1882 }
1883 par->res_flags |= MMIO_REQ;
1884
1885 par->mmio_start_virtual = ioremap_nocache(par->mmio_start_phys,
1886 MMIO_SIZE);
1887 if (!par->mmio_start_virtual) {
1888 printk("i810fb_init: cannot remap mmio region\n");
1889 return -ENODEV;
1890 }
1891
1892 return 0;
1893}
1894
1895static void __devinit i810fb_find_init_mode(struct fb_info *info)
1896{
1897 struct fb_videomode mode;
1898 struct fb_var_screeninfo var;
1899 struct fb_monspecs *specs = &info->monspecs;
1900 int found = 0;
1901#ifdef CONFIG_FB_I810_I2C
1902 int i;
1903 int err = 1;
1904 struct i810fb_par *par = info->par;
1905#endif
1906
1907 INIT_LIST_HEAD(&info->modelist);
1908 memset(&mode, 0, sizeof(struct fb_videomode));
1909 var = info->var;
1910#ifdef CONFIG_FB_I810_I2C
1911 i810_create_i2c_busses(par);
1912
1913 for (i = 0; i < par->ddc_num + 1; i++) {
1914 err = i810_probe_i2c_connector(info, &par->edid, i);
1915 if (!err)
1916 break;
1917 }
1918
1919 if (!err)
1920 printk("i810fb_init_pci: DDC probe successful\n");
1921
1922 fb_edid_to_monspecs(par->edid, specs);
1923
1924 if (specs->modedb == NULL)
1925 printk("i810fb_init_pci: Unable to get Mode Database\n");
1926
1927 fb_videomode_to_modelist(specs->modedb, specs->modedb_len,
1928 &info->modelist);
1929 if (specs->modedb != NULL) {
1930 const struct fb_videomode *m;
1931
1932 if (xres && yres) {
1933 if ((m = fb_find_best_mode(&var, &info->modelist))) {
1934 mode = *m;
1935 found = 1;
1936 }
1937 }
1938
1939 if (!found) {
1940 m = fb_find_best_display(&info->monspecs, &info->modelist);
1941 mode = *m;
1942 found = 1;
1943 }
1944
1945 fb_videomode_to_var(&var, &mode);
1946 }
1947#endif
1948 if (mode_option)
1949 fb_find_mode(&var, info, mode_option, specs->modedb,
1950 specs->modedb_len, (found) ? &mode : NULL,
1951 info->var.bits_per_pixel);
1952
1953 info->var = var;
1954 fb_destroy_modedb(specs->modedb);
1955 specs->modedb = NULL;
1956}
1957
1958#ifndef MODULE
1959static int __devinit i810fb_setup(char *options)
1960{
1961 char *this_opt, *suffix = NULL;
1962
1963 if (!options || !*options)
1964 return 0;
1965
1966 while ((this_opt = strsep(&options, ",")) != NULL) {
1967 if (!strncmp(this_opt, "mtrr", 4))
1968 mtrr = 1;
1969 else if (!strncmp(this_opt, "accel", 5))
1970 accel = 1;
1971 else if (!strncmp(this_opt, "extvga", 6))
1972 extvga = 1;
1973 else if (!strncmp(this_opt, "sync", 4))
1974 sync = 1;
1975 else if (!strncmp(this_opt, "vram:", 5))
1976 vram = (simple_strtoul(this_opt+5, NULL, 0));
1977 else if (!strncmp(this_opt, "voffset:", 8))
1978 voffset = (simple_strtoul(this_opt+8, NULL, 0));
1979 else if (!strncmp(this_opt, "xres:", 5))
1980 xres = simple_strtoul(this_opt+5, NULL, 0);
1981 else if (!strncmp(this_opt, "yres:", 5))
1982 yres = simple_strtoul(this_opt+5, NULL, 0);
1983 else if (!strncmp(this_opt, "vyres:", 6))
1984 vyres = simple_strtoul(this_opt+6, NULL, 0);
1985 else if (!strncmp(this_opt, "bpp:", 4))
1986 bpp = simple_strtoul(this_opt+4, NULL, 0);
1987 else if (!strncmp(this_opt, "hsync1:", 7)) {
1988 hsync1 = simple_strtoul(this_opt+7, &suffix, 0);
1989 if (strncmp(suffix, "H", 1))
1990 hsync1 *= 1000;
1991 } else if (!strncmp(this_opt, "hsync2:", 7)) {
1992 hsync2 = simple_strtoul(this_opt+7, &suffix, 0);
1993 if (strncmp(suffix, "H", 1))
1994 hsync2 *= 1000;
1995 } else if (!strncmp(this_opt, "vsync1:", 7))
1996 vsync1 = simple_strtoul(this_opt+7, NULL, 0);
1997 else if (!strncmp(this_opt, "vsync2:", 7))
1998 vsync2 = simple_strtoul(this_opt+7, NULL, 0);
1999 else if (!strncmp(this_opt, "dcolor", 6))
2000 dcolor = 1;
2001 else if (!strncmp(this_opt, "ddc3", 4))
2002 ddc3 = 3;
2003 else
2004 mode_option = this_opt;
2005 }
2006 return 0;
2007}
2008#endif
2009
2010static int __devinit i810fb_init_pci (struct pci_dev *dev,
2011 const struct pci_device_id *entry)
2012{
2013 struct fb_info *info;
2014 struct i810fb_par *par = NULL;
2015 struct fb_videomode mode;
2016 int i, err = -1, vfreq, hfreq, pixclock;
2017
2018 i = 0;
2019
2020 info = framebuffer_alloc(sizeof(struct i810fb_par), &dev->dev);
2021 if (!info)
2022 return -ENOMEM;
2023
2024 par = info->par;
2025 par->dev = dev;
2026
2027 if (!(info->pixmap.addr = kzalloc(8*1024, GFP_KERNEL))) {
2028 i810fb_release_resource(info, par);
2029 return -ENOMEM;
2030 }
2031 info->pixmap.size = 8*1024;
2032 info->pixmap.buf_align = 8;
2033 info->pixmap.access_align = 32;
2034 info->pixmap.flags = FB_PIXMAP_SYSTEM;
2035
2036 if ((err = i810_allocate_pci_resource(par, entry))) {
2037 i810fb_release_resource(info, par);
2038 return err;
2039 }
2040
2041 i810_init_defaults(par, info);
2042
2043 if ((err = i810_alloc_agp_mem(info))) {
2044 i810fb_release_resource(info, par);
2045 return err;
2046 }
2047
2048 i810_init_device(par);
2049
2050 info->screen_base = par->fb.virtual;
2051 info->fbops = &par->i810fb_ops;
2052 info->pseudo_palette = par->pseudo_palette;
2053 fb_alloc_cmap(&info->cmap, 256, 0);
2054 i810fb_find_init_mode(info);
2055
2056 if ((err = info->fbops->fb_check_var(&info->var, info))) {
2057 i810fb_release_resource(info, par);
2058 return err;
2059 }
2060
2061 fb_var_to_videomode(&mode, &info->var);
2062 fb_add_videomode(&mode, &info->modelist);
2063
2064 i810fb_init_ringbuffer(info);
2065 err = register_framebuffer(info);
2066
2067 if (err < 0) {
2068 i810fb_release_resource(info, par);
2069 printk("i810fb_init: cannot register framebuffer device\n");
2070 return err;
2071 }
2072
2073 pci_set_drvdata(dev, info);
2074 pixclock = 1000000000/(info->var.pixclock);
2075 pixclock *= 1000;
2076 hfreq = pixclock/(info->var.xres + info->var.left_margin +
2077 info->var.hsync_len + info->var.right_margin);
2078 vfreq = hfreq/(info->var.yres + info->var.upper_margin +
2079 info->var.vsync_len + info->var.lower_margin);
2080
2081 printk("I810FB: fb%d : %s v%d.%d.%d%s\n"
2082 "I810FB: Video RAM : %dK\n"
2083 "I810FB: Monitor : H: %d-%d KHz V: %d-%d Hz\n"
2084 "I810FB: Mode : %dx%d-%dbpp@%dHz\n",
2085 info->node,
2086 i810_pci_list[entry->driver_data],
2087 VERSION_MAJOR, VERSION_MINOR, VERSION_TEENIE, BRANCH_VERSION,
2088 (int) par->fb.size>>10, info->monspecs.hfmin/1000,
2089 info->monspecs.hfmax/1000, info->monspecs.vfmin,
2090 info->monspecs.vfmax, info->var.xres,
2091 info->var.yres, info->var.bits_per_pixel, vfreq);
2092 return 0;
2093}
2094
2095
2096
2097
2098
2099static void i810fb_release_resource(struct fb_info *info,
2100 struct i810fb_par *par)
2101{
2102 struct gtt_data *gtt = &par->i810_gtt;
2103 unset_mtrr(par);
2104
2105 i810_delete_i2c_busses(par);
2106
2107 if (par->i810_gtt.i810_cursor_memory)
2108 agp_free_memory(gtt->i810_cursor_memory);
2109 if (par->i810_gtt.i810_fb_memory)
2110 agp_free_memory(gtt->i810_fb_memory);
2111
2112 if (par->mmio_start_virtual)
2113 iounmap(par->mmio_start_virtual);
2114 if (par->aperture.virtual)
2115 iounmap(par->aperture.virtual);
2116 kfree(par->edid);
2117 if (par->res_flags & FRAMEBUFFER_REQ)
2118 release_mem_region(par->aperture.physical,
2119 par->aperture.size);
2120 if (par->res_flags & MMIO_REQ)
2121 release_mem_region(par->mmio_start_phys, MMIO_SIZE);
2122
2123 framebuffer_release(info);
2124
2125}
2126
2127static void __exit i810fb_remove_pci(struct pci_dev *dev)
2128{
2129 struct fb_info *info = pci_get_drvdata(dev);
2130 struct i810fb_par *par = info->par;
2131
2132 unregister_framebuffer(info);
2133 i810fb_release_resource(info, par);
2134 pci_set_drvdata(dev, NULL);
2135 printk("cleanup_module: unloaded i810 framebuffer device\n");
2136}
2137
2138#ifndef MODULE
2139static int __devinit i810fb_init(void)
2140{
2141 char *option = NULL;
2142
2143 if (fb_get_options("i810fb", &option))
2144 return -ENODEV;
2145 i810fb_setup(option);
2146
2147 return pci_register_driver(&i810fb_driver);
2148}
2149#endif
2150
2151
2152
2153
2154
2155#ifdef MODULE
2156
2157static int __devinit i810fb_init(void)
2158{
2159 hsync1 *= 1000;
2160 hsync2 *= 1000;
2161
2162 return pci_register_driver(&i810fb_driver);
2163}
2164
2165module_param(vram, int, 0);
2166MODULE_PARM_DESC(vram, "System RAM to allocate to framebuffer in MiB"
2167 " (default=4)");
2168module_param(voffset, int, 0);
2169MODULE_PARM_DESC(voffset, "at what offset to place start of framebuffer "
2170 "memory (0 to maximum aperture size), in MiB (default = 48)");
2171module_param(bpp, int, 0);
2172MODULE_PARM_DESC(bpp, "Color depth for display in bits per pixel"
2173 " (default = 8)");
2174module_param(xres, int, 0);
2175MODULE_PARM_DESC(xres, "Horizontal resolution in pixels (default = 640)");
2176module_param(yres, int, 0);
2177MODULE_PARM_DESC(yres, "Vertical resolution in scanlines (default = 480)");
2178module_param(vyres,int, 0);
2179MODULE_PARM_DESC(vyres, "Virtual vertical resolution in scanlines"
2180 " (default = 480)");
2181module_param(hsync1, int, 0);
2182MODULE_PARM_DESC(hsync1, "Minimum horizontal frequency of monitor in KHz"
2183 " (default = 29)");
2184module_param(hsync2, int, 0);
2185MODULE_PARM_DESC(hsync2, "Maximum horizontal frequency of monitor in KHz"
2186 " (default = 30)");
2187module_param(vsync1, int, 0);
2188MODULE_PARM_DESC(vsync1, "Minimum vertical frequency of monitor in Hz"
2189 " (default = 50)");
2190module_param(vsync2, int, 0);
2191MODULE_PARM_DESC(vsync2, "Maximum vertical frequency of monitor in Hz"
2192 " (default = 60)");
2193module_param(accel, bool, 0);
2194MODULE_PARM_DESC(accel, "Use Acceleration (BLIT) engine (default = 0)");
2195module_param(mtrr, bool, 0);
2196MODULE_PARM_DESC(mtrr, "Use MTRR (default = 0)");
2197module_param(extvga, bool, 0);
2198MODULE_PARM_DESC(extvga, "Enable external VGA connector (default = 0)");
2199module_param(sync, bool, 0);
2200MODULE_PARM_DESC(sync, "wait for accel engine to finish drawing"
2201 " (default = 0)");
2202module_param(dcolor, bool, 0);
2203MODULE_PARM_DESC(dcolor, "use DirectColor visuals"
2204 " (default = 0 = TrueColor)");
2205module_param(ddc3, bool, 0);
2206MODULE_PARM_DESC(ddc3, "Probe DDC bus 3 (default = 0 = no)");
2207module_param(mode_option, charp, 0);
2208MODULE_PARM_DESC(mode_option, "Specify initial video mode");
2209
2210MODULE_AUTHOR("Tony A. Daplas");
2211MODULE_DESCRIPTION("Framebuffer device for the Intel 810/815 and"
2212 " compatible cards");
2213MODULE_LICENSE("GPL");
2214
2215static void __exit i810fb_exit(void)
2216{
2217 pci_unregister_driver(&i810fb_driver);
2218}
2219module_exit(i810fb_exit);
2220
2221#endif
2222
2223module_init(i810fb_init);
2224
