graphics/via/driver.c

50 	device_info	*di;			/* pointer to the owning device */
67 	device_info	di[MAX_DEVICES];	/* device specific stuff */
77 static status_t map_device(device_info *di);
78 static void unmap_device(device_info *di);
337 static status_t map_device(device_info *di)
340 	shared_info *si = di->si;
342 	pci_info *pcii = &(di->pcii);
381 		di->pcii.vendor_id, di->pcii.device_id,
382 		di->pcii.bus, di->pcii.device, di->pcii.function);
388 		di->pcii.u.h0.base_registers_pci[registers],
389 		di->pcii.u.h0.base_register_sizes[registers],
392 		(void **)&(di->regs));
393  	si->clone_bugfix_regs = (uint32 *) di->regs;
400 		di->pcii.vendor_id, di->pcii.device_id,
401 		di->pcii.bus, di->pcii.device, di->pcii.function);
421 			di->pcii.u.h0.rom_base_pci,
422 			di->pcii.u.h0.rom_size,
473 		di->pcii.vendor_id, di->pcii.device_id,
474 		di->pcii.bus, di->pcii.device, di->pcii.function);
480 		di->pcii.u.h0.base_registers_pci[frame_buffer],
481 		di->pcii.u.h0.base_register_sizes[frame_buffer],
491 			di->pcii.u.h0.base_registers_pci[frame_buffer],
492 			di->pcii.u.h0.base_register_sizes[frame_buffer],
507 	si->framebuffer_pci = (void *) di->pcii.u.h0.base_registers_pci[frame_buffer];
516 static void unmap_device(device_info *di) {
517 	shared_info *si = di->si;
519 	pci_info *pcii = &(di->pcii);
530 	di->regs = NULL;
536 	device_info *di = pd->di;
539 	while ((count < MAX_DEVICES) && ((*pci_bus->get_nth_pci_info)(pci_index, &(di->pcii)) == B_NO_ERROR)) {
544 			if (SupportedDevices[vendor].vendor == di->pcii.vendor_id) {
549 					if (*devices == di->pcii.device_id ) {
551 						sprintf(di->name, "graphics/" DEVICE_FORMAT,
552 							di->pcii.vendor_id, di->pcii.device_id,
553 							di->pcii.bus, di->pcii.device, di->pcii.function);
556 						pd->device_names[count] = di->name;
558 						di->is_open = 0;
560 						di->shared_area = -1;
562 						di->si = NULL;
564 						di++;
603 	device_info *di = (device_info *)data;
604 	shared_info *si = di->si;
613 	regs = di->regs;
632 	device_info *di;
645 	di = &(pd->di[index]);
651 	if (di->is_open) {
657 		di->pcii.vendor_id, di->pcii.device_id,
658 		di->pcii.bus, di->pcii.device, di->pcii.function);
660 	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,
662 	if (di->shared_area < 0) {
664 		result = di->shared_area;
669 	si = di->si;
672 	si->vendor_id = di->pcii.vendor_id;
673 	si->device_id = di->pcii.device_id;
674 	si->revision = di->pcii.revision;
675 	si->bus = di->pcii.bus;
676 	si->device = di->pcii.device;
677 	si->function = di->pcii.function;
683 	result = map_device(di);
688 	si->vblank = create_sem(0, di->name);
701 	regs = di->regs;
707 	if ((di->pcii.u.h0.interrupt_pin == 0x00) ||
708 	    (di->pcii.u.h0.interrupt_line == 0xff) || /* no IRQ assigned */
709 	    (di->pcii.u.h0.interrupt_line <= 0x02))   /* system IRQ assigned */
720 		result = install_io_interrupt_handler(di->pcii.u.h0.interrupt_line, eng_interrupt, (void *)di, 0);
727 	di->is_open++;
730 	*cookie = di;
739 	unmap_device(di);
743 	delete_area(di->shared_area);
744 	di->shared_area = -1;
745 	di->si = NULL;
790 	device_info *di = (device_info *)dev;
791 	shared_info	*si = di->si;
792 	vuint32 *regs = di->regs;
798 	if (di->is_open > 1)
805 	remove_io_interrupt_handler(di->pcii.u.h0.interrupt_line, eng_interrupt, di);
812 	unmap_device(di);
815 	delete_area(di->shared_area);
816 	di->shared_area = -1;
817 	di->si = NULL;
821 	di->is_open--;
833 	device_info *di = (device_info *)dev;
849 				gpd->shared_info_area = di->shared_area;
856 				pci_info *pcii = &(di->pcii);
864 				pci_info *pcii = &(di->pcii);
872 				strcpy(dn->name, di->name);
879 				vuint32 *regs = di->regs;
918 				pci_info *pcii = &(di->pcii);
947 				pci_info *pcii = &(di->pcii);