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110#include <linux/module.h>
111#include <linux/kernel.h>
112#include <linux/errno.h>
113#include <linux/string.h>
114#include <linux/mm.h>
115#include <linux/slab.h>
116#include <linux/delay.h>
117#include <linux/fb.h>
118#include <linux/ioport.h>
119#include <linux/init.h>
120#include <linux/pci.h>
121#include <linux/vmalloc.h>
122#include <linux/pagemap.h>
123#include <linux/screen_info.h>
124
125#include <asm/io.h>
126
127#ifdef CONFIG_MTRR
128#include <asm/mtrr.h>
129#endif
130
131#include "intelfb.h"
132#include "intelfbhw.h"
133#include "../edid.h"
134
135static void __devinit get_initial_mode(struct intelfb_info *dinfo);
136static void update_dinfo(struct intelfb_info *dinfo,
137 struct fb_var_screeninfo *var);
138static int intelfb_open(struct fb_info *info, int user);
139static int intelfb_release(struct fb_info *info, int user);
140static int intelfb_check_var(struct fb_var_screeninfo *var,
141 struct fb_info *info);
142static int intelfb_set_par(struct fb_info *info);
143static int intelfb_setcolreg(unsigned regno, unsigned red, unsigned green,
144 unsigned blue, unsigned transp,
145 struct fb_info *info);
146
147static int intelfb_blank(int blank, struct fb_info *info);
148static int intelfb_pan_display(struct fb_var_screeninfo *var,
149 struct fb_info *info);
150
151static void intelfb_fillrect(struct fb_info *info,
152 const struct fb_fillrect *rect);
153static void intelfb_copyarea(struct fb_info *info,
154 const struct fb_copyarea *region);
155static void intelfb_imageblit(struct fb_info *info,
156 const struct fb_image *image);
157static int intelfb_cursor(struct fb_info *info,
158 struct fb_cursor *cursor);
159
160static int intelfb_sync(struct fb_info *info);
161
162static int intelfb_ioctl(struct fb_info *info,
163 unsigned int cmd, unsigned long arg);
164
165static int __devinit intelfb_pci_register(struct pci_dev *pdev,
166 const struct pci_device_id *ent);
167static void __devexit intelfb_pci_unregister(struct pci_dev *pdev);
168static int __devinit intelfb_set_fbinfo(struct intelfb_info *dinfo);
169
170
171
172
173
174#if DETECT_VGA_CLASS_ONLY
175#define INTELFB_CLASS_MASK ~0 << 8
176#else
177#define INTELFB_CLASS_MASK 0
178#endif
179
180static struct pci_device_id intelfb_pci_table[] __devinitdata = {
181 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_830M, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_830M },
182 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_845G, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_845G },
183 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_85XGM, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_85XGM },
184 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_865G, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_865G },
185 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_854, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_854 },
186 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_915G, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_915G },
187 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_915GM, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_915GM },
188 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_945G, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_945G },
189 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_945GM, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_945GM },
190 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_945GME, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_945GME },
191 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_965G, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_965G },
192 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_965GM, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_965GM },
193 { 0, }
194};
195
196
197static int num_registered = 0;
198
199
200static struct fb_ops intel_fb_ops = {
201 .owner = THIS_MODULE,
202 .fb_open = intelfb_open,
203 .fb_release = intelfb_release,
204 .fb_check_var = intelfb_check_var,
205 .fb_set_par = intelfb_set_par,
206 .fb_setcolreg = intelfb_setcolreg,
207 .fb_blank = intelfb_blank,
208 .fb_pan_display = intelfb_pan_display,
209 .fb_fillrect = intelfb_fillrect,
210 .fb_copyarea = intelfb_copyarea,
211 .fb_imageblit = intelfb_imageblit,
212 .fb_cursor = intelfb_cursor,
213 .fb_sync = intelfb_sync,
214 .fb_ioctl = intelfb_ioctl
215};
216
217
218static struct pci_driver intelfb_driver = {
219 .name = "intelfb",
220 .id_table = intelfb_pci_table,
221 .probe = intelfb_pci_register,
222 .remove = __devexit_p(intelfb_pci_unregister)
223};
224
225
226MODULE_AUTHOR("David Dawes <dawes@tungstengraphics.com>, "
227 "Sylvain Meyer <sylvain.meyer@worldonline.fr>");
228MODULE_DESCRIPTION("Framebuffer driver for Intel(R) " SUPPORTED_CHIPSETS
229 " chipsets");
230MODULE_LICENSE("Dual BSD/GPL");
231MODULE_DEVICE_TABLE(pci, intelfb_pci_table);
232
233static bool accel = 1;
234static int vram = 4;
235static bool hwcursor = 0;
236static bool mtrr = 1;
237static bool fixed = 0;
238static bool noinit = 0;
239static bool noregister = 0;
240static bool probeonly = 0;
241static bool idonly = 0;
242static int bailearly = 0;
243static int voffset = 48;
244static char *mode = NULL;
245
246module_param(accel, bool, S_IRUGO);
247MODULE_PARM_DESC(accel, "Enable hardware acceleration");
248module_param(vram, int, S_IRUGO);
249MODULE_PARM_DESC(vram, "System RAM to allocate to framebuffer in MiB");
250module_param(voffset, int, S_IRUGO);
251MODULE_PARM_DESC(voffset, "Offset of framebuffer in MiB");
252module_param(hwcursor, bool, S_IRUGO);
253MODULE_PARM_DESC(hwcursor, "Enable HW cursor");
254module_param(mtrr, bool, S_IRUGO);
255MODULE_PARM_DESC(mtrr, "Enable MTRR support");
256module_param(fixed, bool, S_IRUGO);
257MODULE_PARM_DESC(fixed, "Disable mode switching");
258module_param(noinit, bool, 0);
259MODULE_PARM_DESC(noinit, "Don't initialise graphics mode when loading");
260module_param(noregister, bool, 0);
261MODULE_PARM_DESC(noregister, "Don't register, just probe and exit (debug)");
262module_param(probeonly, bool, 0);
263MODULE_PARM_DESC(probeonly, "Do a minimal probe (debug)");
264module_param(idonly, bool, 0);
265MODULE_PARM_DESC(idonly, "Just identify without doing anything else (debug)");
266module_param(bailearly, int, 0);
267MODULE_PARM_DESC(bailearly, "Bail out early, depending on value (debug)");
268module_param(mode, charp, S_IRUGO);
269MODULE_PARM_DESC(mode,
270 "Initial video mode \"<xres>x<yres>[-<depth>][@<refresh>]\"");
271
272#ifndef MODULE
273#define OPT_EQUAL(opt, name) (!strncmp(opt, name, strlen(name)))
274#define OPT_INTVAL(opt, name) simple_strtoul(opt + strlen(name) + 1, NULL, 0)
275#define OPT_STRVAL(opt, name) (opt + strlen(name))
276
277static __inline__ char * get_opt_string(const char *this_opt, const char *name)
278{
279 const char *p;
280 int i;
281 char *ret;
282
283 p = OPT_STRVAL(this_opt, name);
284 i = 0;
285 while (p[i] && p[i] != ' ' && p[i] != ',')
286 i++;
287 ret = kmalloc(i + 1, GFP_KERNEL);
288 if (ret) {
289 strncpy(ret, p, i);
290 ret[i] = '\0';
291 }
292 return ret;
293}
294
295static __inline__ int get_opt_int(const char *this_opt, const char *name,
296 int *ret)
297{
298 if (!ret)
299 return 0;
300
301 if (!OPT_EQUAL(this_opt, name))
302 return 0;
303
304 *ret = OPT_INTVAL(this_opt, name);
305 return 1;
306}
307
308static __inline__ int get_opt_bool(const char *this_opt, const char *name,
309 int *ret)
310{
311 if (!ret)
312 return 0;
313
314 if (OPT_EQUAL(this_opt, name)) {
315 if (this_opt[strlen(name)] == '=')
316 *ret = simple_strtoul(this_opt + strlen(name) + 1,
317 NULL, 0);
318 else
319 *ret = 1;
320 } else {
321 if (OPT_EQUAL(this_opt, "no") && OPT_EQUAL(this_opt + 2, name))
322 *ret = 0;
323 else
324 return 0;
325 }
326 return 1;
327}
328
329static int __init intelfb_setup(char *options)
330{
331 char *this_opt;
332
333 DBG_MSG("intelfb_setup\n");
334
335 if (!options || !*options) {
336 DBG_MSG("no options\n");
337 return 0;
338 } else
339 DBG_MSG("options: %s\n", options);
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354 while ((this_opt = strsep(&options, ","))) {
355 if (!*this_opt)
356 continue;
357 if (get_opt_bool(this_opt, "accel", &accel))
358 ;
359 else if (get_opt_int(this_opt, "vram", &vram))
360 ;
361 else if (get_opt_bool(this_opt, "hwcursor", &hwcursor))
362 ;
363 else if (get_opt_bool(this_opt, "mtrr", &mtrr))
364 ;
365 else if (get_opt_bool(this_opt, "fixed", &fixed))
366 ;
367 else if (get_opt_bool(this_opt, "init", &noinit))
368 noinit = !noinit;
369 else if (OPT_EQUAL(this_opt, "mode="))
370 mode = get_opt_string(this_opt, "mode=");
371 else
372 mode = this_opt;
373 }
374
375 return 0;
376}
377
378#endif
379
380static int __init intelfb_init(void)
381{
382#ifndef MODULE
383 char *option = NULL;
384#endif
385
386 DBG_MSG("intelfb_init\n");
387
388 INF_MSG("Framebuffer driver for "
389 "Intel(R) " SUPPORTED_CHIPSETS " chipsets\n");
390 INF_MSG("Version " INTELFB_VERSION "\n");
391
392 if (idonly)
393 return -ENODEV;
394
395#ifndef MODULE
396 if (fb_get_options("intelfb", &option))
397 return -ENODEV;
398 intelfb_setup(option);
399#endif
400
401 return pci_register_driver(&intelfb_driver);
402}
403
404static void __exit intelfb_exit(void)
405{
406 DBG_MSG("intelfb_exit\n");
407 pci_unregister_driver(&intelfb_driver);
408}
409
410module_init(intelfb_init);
411module_exit(intelfb_exit);
412
413
414
415
416
417#ifdef CONFIG_MTRR
418static inline void __devinit set_mtrr(struct intelfb_info *dinfo)
419{
420 dinfo->mtrr_reg = mtrr_add(dinfo->aperture.physical,
421 dinfo->aperture.size, MTRR_TYPE_WRCOMB, 1);
422 if (dinfo->mtrr_reg < 0) {
423 ERR_MSG("unable to set MTRR\n");
424 return;
425 }
426 dinfo->has_mtrr = 1;
427}
428static inline void unset_mtrr(struct intelfb_info *dinfo)
429{
430 if (dinfo->has_mtrr)
431 mtrr_del(dinfo->mtrr_reg, dinfo->aperture.physical,
432 dinfo->aperture.size);
433}
434#else
435#define set_mtrr(x) WRN_MSG("MTRR is disabled in the kernel\n")
436
437#define unset_mtrr(x) do { } while (0)
438#endif
439
440
441
442
443
444static void cleanup(struct intelfb_info *dinfo)
445{
446 DBG_MSG("cleanup\n");
447
448 if (!dinfo)
449 return;
450
451 intelfbhw_disable_irq(dinfo);
452
453 fb_dealloc_cmap(&dinfo->info->cmap);
454 kfree(dinfo->info->pixmap.addr);
455
456 if (dinfo->registered)
457 unregister_framebuffer(dinfo->info);
458
459 unset_mtrr(dinfo);
460
461 if (dinfo->fbmem_gart && dinfo->gtt_fb_mem) {
462 agp_unbind_memory(dinfo->gtt_fb_mem);
463 agp_free_memory(dinfo->gtt_fb_mem);
464 }
465 if (dinfo->gtt_cursor_mem) {
466 agp_unbind_memory(dinfo->gtt_cursor_mem);
467 agp_free_memory(dinfo->gtt_cursor_mem);
468 }
469 if (dinfo->gtt_ring_mem) {
470 agp_unbind_memory(dinfo->gtt_ring_mem);
471 agp_free_memory(dinfo->gtt_ring_mem);
472 }
473
474#ifdef CONFIG_FB_INTEL_I2C
475
476 intelfb_delete_i2c_busses(dinfo);
477#endif
478
479 if (dinfo->mmio_base)
480 iounmap((void __iomem *)dinfo->mmio_base);
481 if (dinfo->aperture.virtual)
482 iounmap((void __iomem *)dinfo->aperture.virtual);
483
484 if (dinfo->flag & INTELFB_MMIO_ACQUIRED)
485 release_mem_region(dinfo->mmio_base_phys, INTEL_REG_SIZE);
486 if (dinfo->flag & INTELFB_FB_ACQUIRED)
487 release_mem_region(dinfo->aperture.physical,
488 dinfo->aperture.size);
489 framebuffer_release(dinfo->info);
490}
491
492#define bailout(dinfo) do { \
493 DBG_MSG("bailout\n"); \
494 cleanup(dinfo); \
495 INF_MSG("Not going to register framebuffer, exiting...\n"); \
496 return -ENODEV; \
497} while (0)
498
499
500static int __devinit intelfb_pci_register(struct pci_dev *pdev,
501 const struct pci_device_id *ent)
502{
503 struct fb_info *info;
504 struct intelfb_info *dinfo;
505 int i, err, dvo;
506 int aperture_size, stolen_size;
507 struct agp_kern_info gtt_info;
508 int agp_memtype;
509 const char *s;
510 struct agp_bridge_data *bridge;
511 int aperture_bar = 0;
512 int mmio_bar = 1;
513 int offset;
514
515 DBG_MSG("intelfb_pci_register\n");
516
517 num_registered++;
518 if (num_registered != 1) {
519 ERR_MSG("Attempted to register %d devices "
520 "(should be only 1).\n", num_registered);
521 return -ENODEV;
522 }
523
524 info = framebuffer_alloc(sizeof(struct intelfb_info), &pdev->dev);
525 if (!info) {
526 ERR_MSG("Could not allocate memory for intelfb_info.\n");
527 return -ENODEV;
528 }
529 if (fb_alloc_cmap(&info->cmap, 256, 1) < 0) {
530 ERR_MSG("Could not allocate cmap for intelfb_info.\n");
531 goto err_out_cmap;
532 }
533
534 dinfo = info->par;
535 dinfo->info = info;
536 dinfo->fbops = &intel_fb_ops;
537 dinfo->pdev = pdev;
538
539
540 info->pixmap.addr = kzalloc(64 * 1024, GFP_KERNEL);
541 if (info->pixmap.addr == NULL) {
542 ERR_MSG("Cannot reserve pixmap memory.\n");
543 goto err_out_pixmap;
544 }
545
546
547
548 dinfo->fixed_mode = fixed;
549
550
551 if ((err = pci_enable_device(pdev))) {
552 ERR_MSG("Cannot enable device.\n");
553 cleanup(dinfo);
554 return -ENODEV;
555 }
556
557
558 if ((ent->device == PCI_DEVICE_ID_INTEL_915G) ||
559 (ent->device == PCI_DEVICE_ID_INTEL_915GM) ||
560 (ent->device == PCI_DEVICE_ID_INTEL_945G) ||
561 (ent->device == PCI_DEVICE_ID_INTEL_945GM) ||
562 (ent->device == PCI_DEVICE_ID_INTEL_945GME) ||
563 (ent->device == PCI_DEVICE_ID_INTEL_965G) ||
564 (ent->device == PCI_DEVICE_ID_INTEL_965GM)) {
565
566 aperture_bar = 2;
567 mmio_bar = 0;
568 }
569 dinfo->aperture.physical = pci_resource_start(pdev, aperture_bar);
570 dinfo->aperture.size = pci_resource_len(pdev, aperture_bar);
571 dinfo->mmio_base_phys = pci_resource_start(pdev, mmio_bar);
572 DBG_MSG("fb aperture: 0x%llx/0x%llx, MMIO region: 0x%llx/0x%llx\n",
573 (unsigned long long)pci_resource_start(pdev, aperture_bar),
574 (unsigned long long)pci_resource_len(pdev, aperture_bar),
575 (unsigned long long)pci_resource_start(pdev, mmio_bar),
576 (unsigned long long)pci_resource_len(pdev, mmio_bar));
577
578
579 if (!request_mem_region(dinfo->aperture.physical, dinfo->aperture.size,
580 INTELFB_MODULE_NAME)) {
581 ERR_MSG("Cannot reserve FB region.\n");
582 cleanup(dinfo);
583 return -ENODEV;
584 }
585
586 dinfo->flag |= INTELFB_FB_ACQUIRED;
587
588 if (!request_mem_region(dinfo->mmio_base_phys,
589 INTEL_REG_SIZE,
590 INTELFB_MODULE_NAME)) {
591 ERR_MSG("Cannot reserve MMIO region.\n");
592 cleanup(dinfo);
593 return -ENODEV;
594 }
595
596 dinfo->flag |= INTELFB_MMIO_ACQUIRED;
597
598
599 dinfo->pci_chipset = pdev->device;
600
601 if (intelfbhw_get_chipset(pdev, dinfo)) {
602 cleanup(dinfo);
603 return -ENODEV;
604 }
605
606 if (intelfbhw_get_memory(pdev, &aperture_size,&stolen_size)) {
607 cleanup(dinfo);
608 return -ENODEV;
609 }
610
611 INF_MSG("%02x:%02x.%d: %s, aperture size %dMB, "
612 "stolen memory %dkB\n",
613 pdev->bus->number, PCI_SLOT(pdev->devfn),
614 PCI_FUNC(pdev->devfn), dinfo->name,
615 BtoMB(aperture_size), BtoKB(stolen_size));
616
617
618 dinfo->accel = accel;
619 dinfo->hwcursor = hwcursor;
620
621 if (NOACCEL_CHIPSET(dinfo) && dinfo->accel == 1) {
622 INF_MSG("Acceleration is not supported for the %s chipset.\n",
623 dinfo->name);
624 dinfo->accel = 0;
625 }
626
627
628 if (ROUND_UP_TO_PAGE(stolen_size) >= MB(vram)) {
629 dinfo->fb.size = ROUND_UP_TO_PAGE(stolen_size);
630 dinfo->fbmem_gart = 0;
631 } else {
632 dinfo->fb.size = MB(vram);
633 dinfo->fbmem_gart = 1;
634 }
635
636
637 if (dinfo->accel) {
638 dinfo->ring.size = RINGBUFFER_SIZE;
639 dinfo->ring_tail_mask = dinfo->ring.size - 1;
640 }
641 if (dinfo->hwcursor)
642 dinfo->cursor.size = HW_CURSOR_SIZE;
643
644
645 if (!(bridge = agp_backend_acquire(pdev))) {
646 ERR_MSG("cannot acquire agp\n");
647 cleanup(dinfo);
648 return -ENODEV;
649 }
650
651
652 if (agp_copy_info(bridge, >t_info)) {
653 ERR_MSG("cannot get agp info\n");
654 agp_backend_release(bridge);
655 cleanup(dinfo);
656 return -ENODEV;
657 }
658
659 if (MB(voffset) < stolen_size)
660 offset = (stolen_size >> 12);
661 else
662 offset = ROUND_UP_TO_PAGE(MB(voffset))/GTT_PAGE_SIZE;
663
664
665 if (dinfo->accel)
666 dinfo->ring.offset = offset + gtt_info.current_memory;
667 if (dinfo->hwcursor)
668 dinfo->cursor.offset = offset +
669 + gtt_info.current_memory + (dinfo->ring.size >> 12);
670 if (dinfo->fbmem_gart)
671 dinfo->fb.offset = offset +
672 + gtt_info.current_memory + (dinfo->ring.size >> 12)
673 + (dinfo->cursor.size >> 12);
674
675
676
677
678 dinfo->aperture.virtual = (u8 __iomem *)ioremap_nocache
679 (dinfo->aperture.physical, ((offset + dinfo->fb.offset) << 12)
680 + dinfo->fb.size);
681 if (!dinfo->aperture.virtual) {
682 ERR_MSG("Cannot remap FB region.\n");
683 agp_backend_release(bridge);
684 cleanup(dinfo);
685 return -ENODEV;
686 }
687
688 dinfo->mmio_base =
689 (u8 __iomem *)ioremap_nocache(dinfo->mmio_base_phys,
690 INTEL_REG_SIZE);
691 if (!dinfo->mmio_base) {
692 ERR_MSG("Cannot remap MMIO region.\n");
693 agp_backend_release(bridge);
694 cleanup(dinfo);
695 return -ENODEV;
696 }
697
698 if (dinfo->accel) {
699 if (!(dinfo->gtt_ring_mem =
700 agp_allocate_memory(bridge, dinfo->ring.size >> 12,
701 AGP_NORMAL_MEMORY))) {
702 ERR_MSG("cannot allocate ring buffer memory\n");
703 agp_backend_release(bridge);
704 cleanup(dinfo);
705 return -ENOMEM;
706 }
707 if (agp_bind_memory(dinfo->gtt_ring_mem,
708 dinfo->ring.offset)) {
709 ERR_MSG("cannot bind ring buffer memory\n");
710 agp_backend_release(bridge);
711 cleanup(dinfo);
712 return -EBUSY;
713 }
714 dinfo->ring.physical = dinfo->aperture.physical
715 + (dinfo->ring.offset << 12);
716 dinfo->ring.virtual = dinfo->aperture.virtual
717 + (dinfo->ring.offset << 12);
718 dinfo->ring_head = 0;
719 }
720 if (dinfo->hwcursor) {
721 agp_memtype = dinfo->mobile ? AGP_PHYSICAL_MEMORY
722 : AGP_NORMAL_MEMORY;
723 if (!(dinfo->gtt_cursor_mem =
724 agp_allocate_memory(bridge, dinfo->cursor.size >> 12,
725 agp_memtype))) {
726 ERR_MSG("cannot allocate cursor memory\n");
727 agp_backend_release(bridge);
728 cleanup(dinfo);
729 return -ENOMEM;
730 }
731 if (agp_bind_memory(dinfo->gtt_cursor_mem,
732 dinfo->cursor.offset)) {
733 ERR_MSG("cannot bind cursor memory\n");
734 agp_backend_release(bridge);
735 cleanup(dinfo);
736 return -EBUSY;
737 }
738 if (dinfo->mobile)
739 dinfo->cursor.physical
740 = dinfo->gtt_cursor_mem->physical;
741 else
742 dinfo->cursor.physical = dinfo->aperture.physical
743 + (dinfo->cursor.offset << 12);
744 dinfo->cursor.virtual = dinfo->aperture.virtual
745 + (dinfo->cursor.offset << 12);
746 }
747 if (dinfo->fbmem_gart) {
748 if (!(dinfo->gtt_fb_mem =
749 agp_allocate_memory(bridge, dinfo->fb.size >> 12,
750 AGP_NORMAL_MEMORY))) {
751 WRN_MSG("cannot allocate framebuffer memory - use "
752 "the stolen one\n");
753 dinfo->fbmem_gart = 0;
754 }
755 if (agp_bind_memory(dinfo->gtt_fb_mem,
756 dinfo->fb.offset)) {
757 WRN_MSG("cannot bind framebuffer memory - use "
758 "the stolen one\n");
759 dinfo->fbmem_gart = 0;
760 }
761 }
762
763
764 if (!dinfo->fbmem_gart)
765 dinfo->fb.offset = 0;
766 dinfo->fb.physical = dinfo->aperture.physical
767 + (dinfo->fb.offset << 12);
768 dinfo->fb.virtual = dinfo->aperture.virtual + (dinfo->fb.offset << 12);
769 dinfo->fb_start = dinfo->fb.offset << 12;
770
771
772 agp_backend_release(bridge);
773
774 if (mtrr)
775 set_mtrr(dinfo);
776
777 DBG_MSG("fb: 0x%x(+ 0x%x)/0x%x (0x%p)\n",
778 dinfo->fb.physical, dinfo->fb.offset, dinfo->fb.size,
779 dinfo->fb.virtual);
780 DBG_MSG("MMIO: 0x%x/0x%x (0x%p)\n",
781 dinfo->mmio_base_phys, INTEL_REG_SIZE,
782 dinfo->mmio_base);
783 DBG_MSG("ring buffer: 0x%x/0x%x (0x%p)\n",
784 dinfo->ring.physical, dinfo->ring.size,
785 dinfo->ring.virtual);
786 DBG_MSG("HW cursor: 0x%x/0x%x (0x%p) (offset 0x%x) (phys 0x%x)\n",
787 dinfo->cursor.physical, dinfo->cursor.size,
788 dinfo->cursor.virtual, dinfo->cursor.offset,
789 dinfo->cursor.physical);
790
791 DBG_MSG("options: vram = %d, accel = %d, hwcursor = %d, fixed = %d, "
792 "noinit = %d\n", vram, accel, hwcursor, fixed, noinit);
793 DBG_MSG("options: mode = \"%s\"\n", mode ? mode : "");
794
795 if (probeonly)
796 bailout(dinfo);
797
798
799
800
801
802 dvo = intelfbhw_check_non_crt(dinfo);
803 if (dvo) {
804 dinfo->fixed_mode = 1;
805 WRN_MSG("Non-CRT device is enabled ( ");
806 i = 0;
807 while (dvo) {
808 if (dvo & 1) {
809 s = intelfbhw_dvo_to_string(1 << i);
810 if (s)
811 printk("%s ", s);
812 }
813 dvo >>= 1;
814 ++i;
815 }
816 printk("). Disabling mode switching.\n");
817 }
818
819 if (bailearly == 1)
820 bailout(dinfo);
821
822 if (FIXED_MODE(dinfo) &&
823 screen_info.orig_video_isVGA != VIDEO_TYPE_VLFB) {
824 ERR_MSG("Video mode must be programmed at boot time.\n");
825 cleanup(dinfo);
826 return -ENODEV;
827 }
828
829 if (bailearly == 2)
830 bailout(dinfo);
831
832
833
834 if (screen_info.orig_video_isVGA == VIDEO_TYPE_VLFB)
835 get_initial_mode(dinfo);
836
837 if (bailearly == 3)
838 bailout(dinfo);
839
840 if (FIXED_MODE(dinfo))
841 update_dinfo(dinfo, &dinfo->initial_var);
842
843 if (bailearly == 4)
844 bailout(dinfo);
845
846
847 if (intelfb_set_fbinfo(dinfo)) {
848 cleanup(dinfo);
849 return -ENODEV;
850 }
851
852 if (bailearly == 5)
853 bailout(dinfo);
854
855#ifdef CONFIG_FB_INTEL_I2C
856
857 intelfb_create_i2c_busses(dinfo);
858#endif
859
860 if (bailearly == 6)
861 bailout(dinfo);
862
863 pci_set_drvdata(pdev, dinfo);
864
865
866 i = intelfbhw_read_hw_state(dinfo, &dinfo->save_state,
867 bailearly > 6 ? bailearly - 6 : 0);
868 if (i != 0) {
869 DBG_MSG("intelfbhw_read_hw_state returned %d\n", i);
870 bailout(dinfo);
871 }
872
873 intelfbhw_print_hw_state(dinfo, &dinfo->save_state);
874
875 if (bailearly == 18)
876 bailout(dinfo);
877
878
879 dinfo->pipe = intelfbhw_active_pipe(&dinfo->save_state);
880
881
882 if (dinfo->hwcursor) {
883 intelfbhw_cursor_init(dinfo);
884 intelfbhw_cursor_reset(dinfo);
885 }
886
887 if (bailearly == 19)
888 bailout(dinfo);
889
890
891 if (dinfo->accel)
892 intelfbhw_2d_start(dinfo);
893
894 if (bailearly == 20)
895 bailout(dinfo);
896
897 if (noregister)
898 bailout(dinfo);
899
900 if (register_framebuffer(dinfo->info) < 0) {
901 ERR_MSG("Cannot register framebuffer.\n");
902 cleanup(dinfo);
903 return -ENODEV;
904 }
905
906 dinfo->registered = 1;
907 dinfo->open = 0;
908
909 init_waitqueue_head(&dinfo->vsync.wait);
910 spin_lock_init(&dinfo->int_lock);
911 dinfo->irq_flags = 0;
912 dinfo->vsync.pan_display = 0;
913 dinfo->vsync.pan_offset = 0;
914
915 return 0;
916
917err_out_pixmap:
918 fb_dealloc_cmap(&info->cmap);
919err_out_cmap:
920 framebuffer_release(info);
921 return -ENODEV;
922}
923
924static void __devexit
925intelfb_pci_unregister(struct pci_dev *pdev)
926{
927 struct intelfb_info *dinfo = pci_get_drvdata(pdev);
928
929 DBG_MSG("intelfb_pci_unregister\n");
930
931 if (!dinfo)
932 return;
933
934 cleanup(dinfo);
935
936 pci_set_drvdata(pdev, NULL);
937}
938
939
940
941
942
943int __inline__ intelfb_var_to_depth(const struct fb_var_screeninfo *var)
944{
945 DBG_MSG("intelfb_var_to_depth: bpp: %d, green.length is %d\n",
946 var->bits_per_pixel, var->green.length);
947
948 switch (var->bits_per_pixel) {
949 case 16:
950 return (var->green.length == 6) ? 16 : 15;
951 case 32:
952 return 24;
953 default:
954 return var->bits_per_pixel;
955 }
956}
957
958
959static __inline__ int var_to_refresh(const struct fb_var_screeninfo *var)
960{
961 int xtot = var->xres + var->left_margin + var->right_margin +
962 var->hsync_len;
963 int ytot = var->yres + var->upper_margin + var->lower_margin +
964 var->vsync_len;
965
966 return (1000000000 / var->pixclock * 1000 + 500) / xtot / ytot;
967}
968
969
970
971
972
973static void __devinit get_initial_mode(struct intelfb_info *dinfo)
974{
975 struct fb_var_screeninfo *var;
976 int xtot, ytot;
977
978 DBG_MSG("get_initial_mode\n");
979
980 dinfo->initial_vga = 1;
981 dinfo->initial_fb_base = screen_info.lfb_base;
982 dinfo->initial_video_ram = screen_info.lfb_size * KB(64);
983 dinfo->initial_pitch = screen_info.lfb_linelength;
984
985 var = &dinfo->initial_var;
986 memset(var, 0, sizeof(*var));
987 var->xres = screen_info.lfb_width;
988 var->yres = screen_info.lfb_height;
989 var->bits_per_pixel = screen_info.lfb_depth;
990 switch (screen_info.lfb_depth) {
991 case 15:
992 var->bits_per_pixel = 16;
993 break;
994 case 24:
995 var->bits_per_pixel = 32;
996 break;
997 }
998
999 DBG_MSG("Initial info: FB is 0x%x/0x%x (%d kByte)\n",
1000 dinfo->initial_fb_base, dinfo->initial_video_ram,
1001 BtoKB(dinfo->initial_video_ram));
1002
1003 DBG_MSG("Initial info: mode is %dx%d-%d (%d)\n",
1004 var->xres, var->yres, var->bits_per_pixel,
1005 dinfo->initial_pitch);
1006
1007
1008 var->left_margin = (var->xres / 8) & 0xf8;
1009 var->right_margin = 32;
1010 var->upper_margin = 16;
1011 var->lower_margin = 4;
1012 var->hsync_len = (var->xres / 8) & 0xf8;
1013 var->vsync_len = 4;
1014
1015 xtot = var->xres + var->left_margin +
1016 var->right_margin + var->hsync_len;
1017 ytot = var->yres + var->upper_margin +
1018 var->lower_margin + var->vsync_len;
1019 var->pixclock = 10000000 / xtot * 1000 / ytot * 100 / 60;
1020
1021 var->height = -1;
1022 var->width = -1;
1023
1024 if (var->bits_per_pixel > 8) {
1025 var->red.offset = screen_info.red_pos;
1026 var->red.length = screen_info.red_size;
1027 var->green.offset = screen_info.green_pos;
1028 var->green.length = screen_info.green_size;
1029 var->blue.offset = screen_info.blue_pos;
1030 var->blue.length = screen_info.blue_size;
1031 var->transp.offset = screen_info.rsvd_pos;
1032 var->transp.length = screen_info.rsvd_size;
1033 } else {
1034 var->red.length = 8;
1035 var->green.length = 8;
1036 var->blue.length = 8;
1037 }
1038}
1039
1040static int __devinit intelfb_init_var(struct intelfb_info *dinfo)
1041{
1042 struct fb_var_screeninfo *var;
1043 int msrc = 0;
1044
1045 DBG_MSG("intelfb_init_var\n");
1046
1047 var = &dinfo->info->var;
1048 if (FIXED_MODE(dinfo)) {
1049 memcpy(var, &dinfo->initial_var,
1050 sizeof(struct fb_var_screeninfo));
1051 msrc = 5;
1052 } else {
1053 const u8 *edid_s = fb_firmware_edid(&dinfo->pdev->dev);
1054 u8 *edid_d = NULL;
1055
1056 if (edid_s) {
1057 edid_d = kmemdup(edid_s, EDID_LENGTH, GFP_KERNEL);
1058
1059 if (edid_d) {
1060 fb_edid_to_monspecs(edid_d,
1061 &dinfo->info->monspecs);
1062 kfree(edid_d);
1063 }
1064 }
1065
1066 if (mode) {
1067 printk("intelfb: Looking for mode in private "
1068 "database\n");
1069 msrc = fb_find_mode(var, dinfo->info, mode,
1070 dinfo->info->monspecs.modedb,
1071 dinfo->info->monspecs.modedb_len,
1072 NULL, 0);
1073
1074 if (msrc && msrc > 1) {
1075 printk("intelfb: No mode in private database, "
1076 "intelfb: looking for mode in global "
1077 "database ");
1078 msrc = fb_find_mode(var, dinfo->info, mode,
1079 NULL, 0, NULL, 0);
1080
1081 if (msrc)
1082 msrc |= 8;
1083 }
1084
1085 }
1086
1087 if (!msrc)
1088 msrc = fb_find_mode(var, dinfo->info, PREFERRED_MODE,
1089 NULL, 0, NULL, 0);
1090 }
1091
1092 if (!msrc) {
1093 ERR_MSG("Cannot find a suitable video mode.\n");
1094 return 1;
1095 }
1096
1097 INF_MSG("Initial video mode is %dx%d-%d@%d.\n", var->xres, var->yres,
1098 var->bits_per_pixel, var_to_refresh(var));
1099
1100 DBG_MSG("Initial video mode is from %d.\n", msrc);
1101
1102#if ALLOCATE_FOR_PANNING
1103
1104 var->xres_virtual = var->xres;
1105 var->yres_virtual =
1106 dinfo->fb.size / 2 / (var->bits_per_pixel * var->xres);
1107 if (var->yres_virtual < var->yres)
1108 var->yres_virtual = var->yres;
1109#else
1110 var->yres_virtual = var->yres;
1111#endif
1112
1113 if (dinfo->accel)
1114 var->accel_flags |= FB_ACCELF_TEXT;
1115 else
1116 var->accel_flags &= ~FB_ACCELF_TEXT;
1117
1118 return 0;
1119}
1120
1121static int __devinit intelfb_set_fbinfo(struct intelfb_info *dinfo)
1122{
1123 struct fb_info *info = dinfo->info;
1124
1125 DBG_MSG("intelfb_set_fbinfo\n");
1126
1127 info->flags = FBINFO_FLAG_DEFAULT;
1128 info->fbops = &intel_fb_ops;
1129 info->pseudo_palette = dinfo->pseudo_palette;
1130
1131 info->pixmap.size = 64*1024;
1132 info->pixmap.buf_align = 8;
1133 info->pixmap.access_align = 32;
1134 info->pixmap.flags = FB_PIXMAP_SYSTEM;
1135
1136 if (intelfb_init_var(dinfo))
1137 return 1;
1138
1139 info->pixmap.scan_align = 1;
1140 strcpy(info->fix.id, dinfo->name);
1141 info->fix.smem_start = dinfo->fb.physical;
1142 info->fix.smem_len = dinfo->fb.size;
1143 info->fix.type = FB_TYPE_PACKED_PIXELS;
1144 info->fix.type_aux = 0;
1145 info->fix.xpanstep = 8;
1146 info->fix.ypanstep = 1;
1147 info->fix.ywrapstep = 0;
1148 info->fix.mmio_start = dinfo->mmio_base_phys;
1149 info->fix.mmio_len = INTEL_REG_SIZE;
1150 info->fix.accel = FB_ACCEL_I830;
1151 update_dinfo(dinfo, &info->var);
1152
1153 return 0;
1154}
1155
1156
1157static void update_dinfo(struct intelfb_info *dinfo,
1158 struct fb_var_screeninfo *var)
1159{
1160 DBG_MSG("update_dinfo\n");
1161
1162 dinfo->bpp = var->bits_per_pixel;
1163 dinfo->depth = intelfb_var_to_depth(var);
1164 dinfo->xres = var->xres;
1165 dinfo->yres = var->xres;
1166 dinfo->pixclock = var->pixclock;
1167
1168 dinfo->info->fix.visual = dinfo->visual;
1169 dinfo->info->fix.line_length = dinfo->pitch;
1170
1171 switch (dinfo->bpp) {
1172 case 8:
1173 dinfo->visual = FB_VISUAL_PSEUDOCOLOR;
1174 dinfo->pitch = var->xres_virtual;
1175 break;
1176 case 16:
1177 dinfo->visual = FB_VISUAL_TRUECOLOR;
1178 dinfo->pitch = var->xres_virtual * 2;
1179 break;
1180 case 32:
1181 dinfo->visual = FB_VISUAL_TRUECOLOR;
1182 dinfo->pitch = var->xres_virtual * 4;
1183 break;
1184 }
1185
1186
1187 if (IS_I9XX(dinfo))
1188 dinfo->pitch = ROUND_UP_TO(dinfo->pitch, STRIDE_ALIGNMENT_I9XX);
1189 else
1190 dinfo->pitch = ROUND_UP_TO(dinfo->pitch, STRIDE_ALIGNMENT);
1191
1192 if (FIXED_MODE(dinfo))
1193 dinfo->pitch = dinfo->initial_pitch;
1194
1195 dinfo->info->screen_base = (char __iomem *)dinfo->fb.virtual;
1196 dinfo->info->fix.line_length = dinfo->pitch;
1197 dinfo->info->fix.visual = dinfo->visual;
1198}
1199
1200
1201
1202
1203
1204
1205
1206static int intelfb_open(struct fb_info *info, int user)
1207{
1208 struct intelfb_info *dinfo = GET_DINFO(info);
1209
1210 if (user)
1211 dinfo->open++;
1212
1213 return 0;
1214}
1215
1216static int intelfb_release(struct fb_info *info, int user)
1217{
1218 struct intelfb_info *dinfo = GET_DINFO(info);
1219
1220 if (user) {
1221 dinfo->open--;
1222 msleep(1);
1223 if (!dinfo->open)
1224 intelfbhw_disable_irq(dinfo);
1225 }
1226
1227 return 0;
1228}
1229
1230static int intelfb_check_var(struct fb_var_screeninfo *var,
1231 struct fb_info *info)
1232{
1233 int change_var = 0;
1234 struct fb_var_screeninfo v;
1235 struct intelfb_info *dinfo;
1236 static int first = 1;
1237 int i;
1238
1239 static const int pitches[] = {
1240 128 * 8,
1241 128 * 16,
1242 128 * 32,
1243 128 * 64,
1244 0
1245 };
1246
1247 DBG_MSG("intelfb_check_var: accel_flags is %d\n", var->accel_flags);
1248
1249 dinfo = GET_DINFO(info);
1250
1251
1252 if (intelfbhw_validate_mode(dinfo, var) != 0)
1253 return -EINVAL;
1254
1255 v = *var;
1256
1257 for (i = 0; pitches[i] != 0; i++) {
1258 if (pitches[i] >= v.xres_virtual) {
1259 v.xres_virtual = pitches[i];
1260 break;
1261 }
1262 }
1263
1264
1265 if (v.bits_per_pixel <= 8)
1266 v.bits_per_pixel = 8;
1267 else if (v.bits_per_pixel <= 16) {
1268 if (v.bits_per_pixel == 16)
1269 v.green.length = 6;
1270 v.bits_per_pixel = 16;
1271 } else if (v.bits_per_pixel <= 32)
1272 v.bits_per_pixel = 32;
1273 else
1274 return -EINVAL;
1275
1276 change_var = ((info->var.xres != var->xres) ||
1277 (info->var.yres != var->yres) ||
1278 (info->var.xres_virtual != var->xres_virtual) ||
1279 (info->var.yres_virtual != var->yres_virtual) ||
1280 (info->var.bits_per_pixel != var->bits_per_pixel) ||
1281 memcmp(&info->var.red, &var->red, sizeof(var->red)) ||
1282 memcmp(&info->var.green, &var->green,
1283 sizeof(var->green)) ||
1284 memcmp(&info->var.blue, &var->blue, sizeof(var->blue)));
1285
1286 if (FIXED_MODE(dinfo) &&
1287 (change_var ||
1288 var->yres_virtual > dinfo->initial_var.yres_virtual ||
1289 var->yres_virtual < dinfo->initial_var.yres ||
1290 var->xoffset || var->nonstd)) {
1291 if (first) {
1292 ERR_MSG("Changing the video mode is not supported.\n");
1293 first = 0;
1294 }
1295 return -EINVAL;
1296 }
1297
1298 switch (intelfb_var_to_depth(&v)) {
1299 case 8:
1300 v.red.offset = v.green.offset = v.blue.offset = 0;
1301 v.red.length = v.green.length = v.blue.length = 8;
1302 v.transp.offset = v.transp.length = 0;
1303 break;
1304 case 15:
1305 v.red.offset = 10;
1306 v.green.offset = 5;
1307 v.blue.offset = 0;
1308 v.red.length = v.green.length = v.blue.length = 5;
1309 v.transp.offset = v.transp.length = 0;
1310 break;
1311 case 16:
1312 v.red.offset = 11;
1313 v.green.offset = 5;
1314 v.blue.offset = 0;
1315 v.red.length = 5;
1316 v.green.length = 6;
1317 v.blue.length = 5;
1318 v.transp.offset = v.transp.length = 0;
1319 break;
1320 case 24:
1321 v.red.offset = 16;
1322 v.green.offset = 8;
1323 v.blue.offset = 0;
1324 v.red.length = v.green.length = v.blue.length = 8;
1325 v.transp.offset = v.transp.length = 0;
1326 break;
1327 case 32:
1328 v.red.offset = 16;
1329 v.green.offset = 8;
1330 v.blue.offset = 0;
1331 v.red.length = v.green.length = v.blue.length = 8;
1332 v.transp.offset = 24;
1333 v.transp.length = 8;
1334 break;
1335 }
1336
1337 if (v.xoffset < 0)
1338 v.xoffset = 0;
1339 if (v.yoffset < 0)
1340 v.yoffset = 0;
1341
1342 if (v.xoffset > v.xres_virtual - v.xres)
1343 v.xoffset = v.xres_virtual - v.xres;
1344 if (v.yoffset > v.yres_virtual - v.yres)
1345 v.yoffset = v.yres_virtual - v.yres;
1346
1347 v.red.msb_right = v.green.msb_right = v.blue.msb_right =
1348 v.transp.msb_right = 0;
1349
1350 *var = v;
1351
1352 return 0;
1353}
1354
1355static int intelfb_set_par(struct fb_info *info)
1356{
1357 struct intelfb_hwstate *hw;
1358 struct intelfb_info *dinfo = GET_DINFO(info);
1359
1360 if (FIXED_MODE(dinfo)) {
1361 ERR_MSG("Changing the video mode is not supported.\n");
1362 return -EINVAL;
1363 }
1364
1365 hw = kmalloc(sizeof(*hw), GFP_ATOMIC);
1366 if (!hw)
1367 return -ENOMEM;
1368
1369 DBG_MSG("intelfb_set_par (%dx%d-%d)\n", info->var.xres,
1370 info->var.yres, info->var.bits_per_pixel);
1371
1372
1373
1374
1375 OUTREG(DPLL_A, INREG(DPLL_A) & ~DPLL_VCO_ENABLE);
1376
1377 intelfb_blank(FB_BLANK_POWERDOWN, info);
1378
1379 if (ACCEL(dinfo, info))
1380 intelfbhw_2d_stop(dinfo);
1381
1382 memcpy(hw, &dinfo->save_state, sizeof(*hw));
1383 if (intelfbhw_mode_to_hw(dinfo, hw, &info->var))
1384 goto invalid_mode;
1385 if (intelfbhw_program_mode(dinfo, hw, 0))
1386 goto invalid_mode;
1387
1388#if REGDUMP > 0
1389 intelfbhw_read_hw_state(dinfo, hw, 0);
1390 intelfbhw_print_hw_state(dinfo, hw);
1391#endif
1392
1393 update_dinfo(dinfo, &info->var);
1394
1395 if (ACCEL(dinfo, info))
1396 intelfbhw_2d_start(dinfo);
1397
1398 intelfb_pan_display(&info->var, info);
1399
1400 intelfb_blank(FB_BLANK_UNBLANK, info);
1401
1402 if (ACCEL(dinfo, info)) {
1403 info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN |
1404 FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT |
1405 FBINFO_HWACCEL_IMAGEBLIT;
1406 } else
1407 info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
1408
1409 kfree(hw);
1410 return 0;
1411invalid_mode:
1412 kfree(hw);
1413 return -EINVAL;
1414}
1415
1416static int intelfb_setcolreg(unsigned regno, unsigned red, unsigned green,
1417 unsigned blue, unsigned transp,
1418 struct fb_info *info)
1419{
1420 struct intelfb_info *dinfo = GET_DINFO(info);
1421
1422#if VERBOSE > 0
1423 DBG_MSG("intelfb_setcolreg: regno %d, depth %d\n", regno, dinfo->depth);
1424#endif
1425
1426 if (regno > 255)
1427 return 1;
1428
1429 if (dinfo->depth == 8) {
1430 red >>= 8;
1431 green >>= 8;
1432 blue >>= 8;
1433
1434 intelfbhw_setcolreg(dinfo, regno, red, green, blue,
1435 transp);
1436 }
1437
1438 if (regno < 16) {
1439 switch (dinfo->depth) {
1440 case 15:
1441 dinfo->pseudo_palette[regno] = ((red & 0xf800) >> 1) |
1442 ((green & 0xf800) >> 6) |
1443 ((blue & 0xf800) >> 11);
1444 break;
1445 case 16:
1446 dinfo->pseudo_palette[regno] = (red & 0xf800) |
1447 ((green & 0xfc00) >> 5) |
1448 ((blue & 0xf800) >> 11);
1449 break;
1450 case 24:
1451 dinfo->pseudo_palette[regno] = ((red & 0xff00) << 8) |
1452 (green & 0xff00) |
1453 ((blue & 0xff00) >> 8);
1454 break;
1455 }
1456 }
1457
1458 return 0;
1459}
1460
1461static int intelfb_blank(int blank, struct fb_info *info)
1462{
1463 intelfbhw_do_blank(blank, info);
1464 return 0;
1465}
1466
1467static int intelfb_pan_display(struct fb_var_screeninfo *var,
1468 struct fb_info *info)
1469{
1470 intelfbhw_pan_display(var, info);
1471 return 0;
1472}
1473
1474
1475static int intelfb_ioctl(struct fb_info *info, unsigned int cmd,
1476 unsigned long arg)
1477{
1478 int retval = 0;
1479 struct intelfb_info *dinfo = GET_DINFO(info);
1480 u32 pipe = 0;
1481
1482 switch (cmd) {
1483 case FBIO_WAITFORVSYNC:
1484 if (get_user(pipe, (__u32 __user *)arg))
1485 return -EFAULT;
1486
1487 retval = intelfbhw_wait_for_vsync(dinfo, pipe);
1488 break;
1489 default:
1490 break;
1491 }
1492
1493 return retval;
1494}
1495
1496static void intelfb_fillrect (struct fb_info *info,
1497 const struct fb_fillrect *rect)
1498{
1499 struct intelfb_info *dinfo = GET_DINFO(info);
1500 u32 rop, color;
1501
1502#if VERBOSE > 0
1503 DBG_MSG("intelfb_fillrect\n");
1504#endif
1505
1506 if (!ACCEL(dinfo, info) || dinfo->depth == 4) {
1507 cfb_fillrect(info, rect);
1508 return;
1509 }
1510
1511 if (rect->rop == ROP_COPY)
1512 rop = PAT_ROP_GXCOPY;
1513 else
1514 rop = PAT_ROP_GXXOR;
1515
1516 if (dinfo->depth != 8)
1517 color = dinfo->pseudo_palette[rect->color];
1518 else
1519 color = rect->color;
1520
1521 intelfbhw_do_fillrect(dinfo, rect->dx, rect->dy,
1522 rect->width, rect->height, color,
1523 dinfo->pitch, info->var.bits_per_pixel,
1524 rop);
1525}
1526
1527static void intelfb_copyarea(struct fb_info *info,
1528 const struct fb_copyarea *region)
1529{
1530 struct intelfb_info *dinfo = GET_DINFO(info);
1531
1532#if VERBOSE > 0
1533 DBG_MSG("intelfb_copyarea\n");
1534#endif
1535
1536 if (!ACCEL(dinfo, info) || dinfo->depth == 4) {
1537 cfb_copyarea(info, region);
1538 return;
1539 }
1540
1541 intelfbhw_do_bitblt(dinfo, region->sx, region->sy, region->dx,
1542 region->dy, region->width, region->height,
1543 dinfo->pitch, info->var.bits_per_pixel);
1544}
1545
1546static void intelfb_imageblit(struct fb_info *info,
1547 const struct fb_image *image)
1548{
1549 struct intelfb_info *dinfo = GET_DINFO(info);
1550 u32 fgcolor, bgcolor;
1551
1552#if VERBOSE > 0
1553 DBG_MSG("intelfb_imageblit\n");
1554#endif
1555
1556 if (!ACCEL(dinfo, info) || dinfo->depth == 4
1557 || image->depth != 1) {
1558 cfb_imageblit(info, image);
1559 return;
1560 }
1561
1562 if (dinfo->depth != 8) {
1563 fgcolor = dinfo->pseudo_palette[image->fg_color];
1564 bgcolor = dinfo->pseudo_palette[image->bg_color];
1565 } else {
1566 fgcolor = image->fg_color;
1567 bgcolor = image->bg_color;
1568 }
1569
1570 if (!intelfbhw_do_drawglyph(dinfo, fgcolor, bgcolor, image->width,
1571 image->height, image->data,
1572 image->dx, image->dy,
1573 dinfo->pitch, info->var.bits_per_pixel)) {
1574 cfb_imageblit(info, image);
1575 return;
1576 }
1577}
1578
1579static int intelfb_cursor(struct fb_info *info, struct fb_cursor *cursor)
1580{
1581 struct intelfb_info *dinfo = GET_DINFO(info);
1582 u32 physical;
1583#if VERBOSE > 0
1584 DBG_MSG("intelfb_cursor\n");
1585#endif
1586
1587 if (!dinfo->hwcursor)
1588 return -ENODEV;
1589
1590 intelfbhw_cursor_hide(dinfo);
1591
1592
1593 physical = (dinfo->mobile || IS_I9XX(dinfo)) ? dinfo->cursor.physical :
1594 (dinfo->cursor.offset << 12);
1595
1596 if (INREG(CURSOR_A_BASEADDR) != physical) {
1597 u32 fg, bg;
1598
1599 DBG_MSG("the cursor was killed - restore it !!\n");
1600 DBG_MSG("size %d, %d pos %d, %d\n",
1601 cursor->image.width, cursor->image.height,
1602 cursor->image.dx, cursor->image.dy);
1603
1604 intelfbhw_cursor_init(dinfo);
1605 intelfbhw_cursor_reset(dinfo);
1606 intelfbhw_cursor_setpos(dinfo, cursor->image.dx,
1607 cursor->image.dy);
1608
1609 if (dinfo->depth != 8) {
1610 fg =dinfo->pseudo_palette[cursor->image.fg_color];
1611 bg =dinfo->pseudo_palette[cursor->image.bg_color];
1612 } else {
1613 fg = cursor->image.fg_color;
1614 bg = cursor->image.bg_color;
1615 }
1616 intelfbhw_cursor_setcolor(dinfo, bg, fg);
1617 intelfbhw_cursor_load(dinfo, cursor->image.width,
1618 cursor->image.height,
1619 dinfo->cursor_src);
1620
1621 if (cursor->enable)
1622 intelfbhw_cursor_show(dinfo);
1623 return 0;
1624 }
1625
1626 if (cursor->set & FB_CUR_SETPOS) {
1627 u32 dx, dy;
1628
1629 dx = cursor->image.dx - info->var.xoffset;
1630 dy = cursor->image.dy - info->var.yoffset;
1631
1632 intelfbhw_cursor_setpos(dinfo, dx, dy);
1633 }
1634
1635 if (cursor->set & FB_CUR_SETSIZE) {
1636 if (cursor->image.width > 64 || cursor->image.height > 64)
1637 return -ENXIO;
1638
1639 intelfbhw_cursor_reset(dinfo);
1640 }
1641
1642 if (cursor->set & FB_CUR_SETCMAP) {
1643 u32 fg, bg;
1644
1645 if (dinfo->depth != 8) {
1646 fg = dinfo->pseudo_palette[cursor->image.fg_color];
1647 bg = dinfo->pseudo_palette[cursor->image.bg_color];
1648 } else {
1649 fg = cursor->image.fg_color;
1650 bg = cursor->image.bg_color;
1651 }
1652
1653 intelfbhw_cursor_setcolor(dinfo, bg, fg);
1654 }
1655
1656 if (cursor->set & (FB_CUR_SETSHAPE | FB_CUR_SETIMAGE)) {
1657 u32 s_pitch = (ROUND_UP_TO(cursor->image.width, 8) / 8);
1658 u32 size = s_pitch * cursor->image.height;
1659 u8 *dat = (u8 *) cursor->image.data;
1660 u8 *msk = (u8 *) cursor->mask;
1661 u8 src[64];
1662 u32 i;
1663
1664 if (cursor->image.depth != 1)
1665 return -ENXIO;
1666
1667 switch (cursor->rop) {
1668 case ROP_XOR:
1669 for (i = 0; i < size; i++)
1670 src[i] = dat[i] ^ msk[i];
1671 break;
1672 case ROP_COPY:
1673 default:
1674 for (i = 0; i < size; i++)
1675 src[i] = dat[i] & msk[i];
1676 break;
1677 }
1678
1679
1680
1681 memcpy(dinfo->cursor_src, src, size);
1682
1683 intelfbhw_cursor_load(dinfo, cursor->image.width,
1684 cursor->image.height, src);
1685 }
1686
1687 if (cursor->enable)
1688 intelfbhw_cursor_show(dinfo);
1689
1690 return 0;
1691}
1692
1693static int intelfb_sync(struct fb_info *info)
1694{
1695 struct intelfb_info *dinfo = GET_DINFO(info);
1696
1697#if VERBOSE > 0
1698 DBG_MSG("intelfb_sync\n");
1699#endif
1700
1701 if (dinfo->ring_lockup)
1702 return 0;
1703
1704 intelfbhw_do_sync(dinfo);
1705 return 0;
1706}
1707
1708
