graphics/neomagic/driver.c

60 	shared_info	*si;				/* a pointer to the shared area, for convenience */
323 	shared_info *si = di->si;
351  		si->use_clone_bugfix = 1;
355  		si->use_clone_bugfix = 0;
366 		si->regs_in_fb = true;
370 		si->regs_in_fb = false;
377 		si->regs_area = map_physical_memory(
382 			B_CLONEABLE_AREA | (si->use_clone_bugfix ? B_READ_AREA|B_WRITE_AREA : 0),
384  		si->clone_bugfix_regs = (uint32 *) di->regs;
387 		if (si->regs_area < 0) return si->regs_area;
394 		si->regs2_area = map_physical_memory(
399 			B_CLONEABLE_AREA | (si->use_clone_bugfix ? B_READ_AREA|B_WRITE_AREA : 0),
401 	 	si->clone_bugfix_regs2 = (uint32 *) di->regs2;
404 		if (si->regs2_area < 0)
406 			delete_area(si->regs_area);
407 			si->regs_area = -1;
409 			return si->regs2_area;
462 		if (si->regs_area >= 0)
464 			delete_area(si->regs_area);
465 			si->regs_area = -1;
467 		if (si->regs2_area >= 0)
469 			delete_area(si->regs2_area);
470 			si->regs2_area = -1;
479 	memcpy (si->rom_mirror, rom_temp, 65536);
493 	si->fb_area = map_physical_memory(
499 		&(si->framebuffer));
502 	if (si->fb_area < 0) {
503 		si->fb_area = map_physical_memory(
509 			&(si->framebuffer));
513 	if (si->fb_area < 0)
515 		if (si->regs_area >= 0)
517 			delete_area(si->regs_area);
518 			si->regs_area = -1;
520 		if (si->regs2_area >= 0)
522 			delete_area(si->regs2_area);
523 			si->regs2_area = -1;
525 		return si->fb_area;
533 		di->regs = (uint32 *)((uint8 *)si->framebuffer + 0x100000);
534  		si->clone_bugfix_regs = (uint32 *) di->regs;
539 		di->regs = (uint32 *)((uint8 *)si->framebuffer + 0x200000);
540  		si->clone_bugfix_regs = (uint32 *) di->regs;
545 	si->framebuffer_pci = (void *) di->pcii.u.h0.base_registers_pci[frame_buffer];
548 	si->settings = current_settings;
551 	return si->fb_area;
555 	shared_info *si = di->si;
564 	if (si->regs2_area >= 0) delete_area(si->regs2_area);
565 	if (si->regs_area >= 0) delete_area(si->regs_area);
566 	if (si->fb_area >= 0) delete_area(si->fb_area);
567 	si->regs2_area = si->regs_area = si->fb_area = -1;
568 	si->framebuffer = NULL;
601 						di->si = NULL;
625 static uint32 thread_interrupt_work(int32 *flags, vuint32 *regs, vuint32 *regs2, shared_info *si) {
628 	if (si->vblank >= 0) {
630 		if ((get_sem_count(si->vblank, &blocked) == B_OK) && (blocked < 0)) {
631 			release_sem_etc(si->vblank, -blocked, B_DO_NOT_RESCHEDULE);
643 	shared_info *si = di->si;
644 	int32 *flags = &(si->flags);
660 		handled = thread_interrupt_work(flags, regs, regs2, si);
673 	shared_info *si;
699 	di->shared_area = create_area(shared_name, (void **)&(di->si), B_ANY_KERNEL_ADDRESS, ((sizeof(shared_info) + (B_PAGE_SIZE - 1)) & ~(B_PAGE_SIZE - 1)), B_FULL_LOCK,
708 	si = di->si;
711 	si->vendor_id = di->pcii.vendor_id;
712 	si->device_id = di->pcii.device_id;
713 	si->revision = di->pcii.revision;
716 	si->accelerant_in_use = false;
729 	si->ps.int_assigned = false;
732 	si->vblank = create_sem(0, di->name);
733 	if (si->vblank < 0) goto mark_as_open;
739 	set_sem_owner(si->vblank, thinfo.team);
747 		delete_sem(si->vblank);
748 		si->vblank = -1;
758 			delete_sem(si->vblank);
759 			si->vblank = -1;
764 			si->ps.int_assigned = true;
782 	di->si = NULL;
829 	shared_info	*si = di->si;
843 	if (si->ps.int_assigned)
849 		delete_sem(si->vblank);
850 		si->vblank = -1;
859 	di->si = NULL;