diff options
Diffstat (limited to 'drivers/video/cg6.c')
-rw-r--r-- | drivers/video/cg6.c | 161 |
1 files changed, 73 insertions, 88 deletions
diff --git a/drivers/video/cg6.c b/drivers/video/cg6.c index 4dad23a28f58..87c747123538 100644 --- a/drivers/video/cg6.c +++ b/drivers/video/cg6.c | |||
@@ -653,135 +653,120 @@ static void cg6_chip_init(struct fb_info *info) | |||
653 | sbus_writel(info->var.yres - 1, &fbc->clipmaxy); | 653 | sbus_writel(info->var.yres - 1, &fbc->clipmaxy); |
654 | } | 654 | } |
655 | 655 | ||
656 | struct all_info { | 656 | static void cg6_unmap_regs(struct of_device *op, struct fb_info *info, |
657 | struct fb_info info; | 657 | struct cg6_par *par) |
658 | struct cg6_par par; | ||
659 | }; | ||
660 | |||
661 | static void cg6_unmap_regs(struct of_device *op, struct all_info *all) | ||
662 | { | 658 | { |
663 | if (all->par.fbc) | 659 | if (par->fbc) |
664 | of_iounmap(&op->resource[0], all->par.fbc, 4096); | 660 | of_iounmap(&op->resource[0], par->fbc, 4096); |
665 | if (all->par.tec) | 661 | if (par->tec) |
666 | of_iounmap(&op->resource[0], | 662 | of_iounmap(&op->resource[0], par->tec, sizeof(struct cg6_tec)); |
667 | all->par.tec, sizeof(struct cg6_tec)); | 663 | if (par->thc) |
668 | if (all->par.thc) | 664 | of_iounmap(&op->resource[0], par->thc, sizeof(struct cg6_thc)); |
669 | of_iounmap(&op->resource[0], | 665 | if (par->bt) |
670 | all->par.thc, sizeof(struct cg6_thc)); | 666 | of_iounmap(&op->resource[0], par->bt, sizeof(struct bt_regs)); |
671 | if (all->par.bt) | 667 | if (par->fhc) |
672 | of_iounmap(&op->resource[0], | 668 | of_iounmap(&op->resource[0], par->fhc, sizeof(u32)); |
673 | all->par.bt, sizeof(struct bt_regs)); | 669 | |
674 | if (all->par.fhc) | 670 | if (info->screen_base) |
675 | of_iounmap(&op->resource[0], | 671 | of_iounmap(&op->resource[0], info->screen_base, par->fbsize); |
676 | all->par.fhc, sizeof(u32)); | ||
677 | |||
678 | if (all->info.screen_base) | ||
679 | of_iounmap(&op->resource[0], | ||
680 | all->info.screen_base, all->par.fbsize); | ||
681 | } | 672 | } |
682 | 673 | ||
683 | static int __devinit cg6_init_one(struct of_device *op) | 674 | static int __devinit cg6_probe(struct of_device *op, const struct of_device_id *match) |
684 | { | 675 | { |
685 | struct device_node *dp = op->node; | 676 | struct device_node *dp = op->node; |
686 | struct all_info *all; | 677 | struct fb_info *info; |
678 | struct cg6_par *par; | ||
687 | int linebytes, err; | 679 | int linebytes, err; |
688 | 680 | ||
689 | all = kzalloc(sizeof(*all), GFP_KERNEL); | 681 | info = framebuffer_alloc(sizeof(struct cg6_par), &op->dev); |
690 | if (!all) | 682 | |
691 | return -ENOMEM; | 683 | err = -ENOMEM; |
684 | if (!info) | ||
685 | goto out_err; | ||
686 | par = info->par; | ||
692 | 687 | ||
693 | spin_lock_init(&all->par.lock); | 688 | spin_lock_init(&par->lock); |
694 | 689 | ||
695 | all->par.physbase = op->resource[0].start; | 690 | par->physbase = op->resource[0].start; |
696 | all->par.which_io = op->resource[0].flags & IORESOURCE_BITS; | 691 | par->which_io = op->resource[0].flags & IORESOURCE_BITS; |
697 | 692 | ||
698 | sbusfb_fill_var(&all->info.var, dp->node, 8); | 693 | sbusfb_fill_var(&info->var, dp->node, 8); |
699 | all->info.var.red.length = 8; | 694 | info->var.red.length = 8; |
700 | all->info.var.green.length = 8; | 695 | info->var.green.length = 8; |
701 | all->info.var.blue.length = 8; | 696 | info->var.blue.length = 8; |
702 | 697 | ||
703 | linebytes = of_getintprop_default(dp, "linebytes", | 698 | linebytes = of_getintprop_default(dp, "linebytes", |
704 | all->info.var.xres); | 699 | info->var.xres); |
705 | all->par.fbsize = PAGE_ALIGN(linebytes * all->info.var.yres); | 700 | par->fbsize = PAGE_ALIGN(linebytes * info->var.yres); |
706 | if (of_find_property(dp, "dblbuf", NULL)) | 701 | if (of_find_property(dp, "dblbuf", NULL)) |
707 | all->par.fbsize *= 4; | 702 | par->fbsize *= 4; |
708 | 703 | ||
709 | all->par.fbc = of_ioremap(&op->resource[0], CG6_FBC_OFFSET, | 704 | par->fbc = of_ioremap(&op->resource[0], CG6_FBC_OFFSET, |
710 | 4096, "cgsix fbc"); | 705 | 4096, "cgsix fbc"); |
711 | all->par.tec = of_ioremap(&op->resource[0], CG6_TEC_OFFSET, | 706 | par->tec = of_ioremap(&op->resource[0], CG6_TEC_OFFSET, |
712 | sizeof(struct cg6_tec), "cgsix tec"); | 707 | sizeof(struct cg6_tec), "cgsix tec"); |
713 | all->par.thc = of_ioremap(&op->resource[0], CG6_THC_OFFSET, | 708 | par->thc = of_ioremap(&op->resource[0], CG6_THC_OFFSET, |
714 | sizeof(struct cg6_thc), "cgsix thc"); | 709 | sizeof(struct cg6_thc), "cgsix thc"); |
715 | all->par.bt = of_ioremap(&op->resource[0], CG6_BROOKTREE_OFFSET, | 710 | par->bt = of_ioremap(&op->resource[0], CG6_BROOKTREE_OFFSET, |
716 | sizeof(struct bt_regs), "cgsix dac"); | 711 | sizeof(struct bt_regs), "cgsix dac"); |
717 | all->par.fhc = of_ioremap(&op->resource[0], CG6_FHC_OFFSET, | 712 | par->fhc = of_ioremap(&op->resource[0], CG6_FHC_OFFSET, |
718 | sizeof(u32), "cgsix fhc"); | 713 | sizeof(u32), "cgsix fhc"); |
719 | 714 | ||
720 | all->info.flags = FBINFO_DEFAULT | FBINFO_HWACCEL_IMAGEBLIT | | 715 | info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_IMAGEBLIT | |
721 | FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT; | 716 | FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT; |
722 | all->info.fbops = &cg6_ops; | 717 | info->fbops = &cg6_ops; |
723 | |||
724 | all->info.screen_base = of_ioremap(&op->resource[0], CG6_RAM_OFFSET, | ||
725 | all->par.fbsize, "cgsix ram"); | ||
726 | if (!all->par.fbc || !all->par.tec || !all->par.thc || | ||
727 | !all->par.bt || !all->par.fhc || !all->info.screen_base) { | ||
728 | cg6_unmap_regs(op, all); | ||
729 | kfree(all); | ||
730 | return -ENOMEM; | ||
731 | } | ||
732 | 718 | ||
733 | all->info.par = &all->par; | 719 | info->screen_base = of_ioremap(&op->resource[0], CG6_RAM_OFFSET, |
720 | par->fbsize, "cgsix ram"); | ||
721 | if (!par->fbc || !par->tec || !par->thc || | ||
722 | !par->bt || !par->fhc || !info->screen_base) | ||
723 | goto out_unmap_regs; | ||
734 | 724 | ||
735 | all->info.var.accel_flags = FB_ACCELF_TEXT; | 725 | info->var.accel_flags = FB_ACCELF_TEXT; |
736 | 726 | ||
737 | cg6_bt_init(&all->par); | 727 | cg6_bt_init(par); |
738 | cg6_chip_init(&all->info); | 728 | cg6_chip_init(info); |
739 | cg6_blank(0, &all->info); | 729 | cg6_blank(0, info); |
740 | 730 | ||
741 | if (fb_alloc_cmap(&all->info.cmap, 256, 0)) { | 731 | if (fb_alloc_cmap(&info->cmap, 256, 0)) |
742 | cg6_unmap_regs(op, all); | 732 | goto out_unmap_regs; |
743 | kfree(all); | ||
744 | return -ENOMEM; | ||
745 | } | ||
746 | 733 | ||
747 | fb_set_cmap(&all->info.cmap, &all->info); | 734 | fb_set_cmap(&info->cmap, info); |
748 | cg6_init_fix(&all->info, linebytes); | 735 | cg6_init_fix(info, linebytes); |
749 | 736 | ||
750 | err = register_framebuffer(&all->info); | 737 | err = register_framebuffer(info); |
751 | if (err < 0) { | 738 | if (err < 0) |
752 | cg6_unmap_regs(op, all); | 739 | goto out_dealloc_cmap; |
753 | fb_dealloc_cmap(&all->info.cmap); | ||
754 | kfree(all); | ||
755 | return err; | ||
756 | } | ||
757 | 740 | ||
758 | dev_set_drvdata(&op->dev, all); | 741 | dev_set_drvdata(&op->dev, info); |
759 | 742 | ||
760 | printk("%s: CGsix [%s] at %lx:%lx\n", | 743 | printk("%s: CGsix [%s] at %lx:%lx\n", |
761 | dp->full_name, | 744 | dp->full_name, info->fix.id, |
762 | all->info.fix.id, | 745 | par->which_io, par->physbase); |
763 | all->par.which_io, all->par.physbase); | ||
764 | 746 | ||
765 | return 0; | 747 | return 0; |
766 | } | ||
767 | 748 | ||
768 | static int __devinit cg6_probe(struct of_device *dev, const struct of_device_id *match) | 749 | out_dealloc_cmap: |
769 | { | 750 | fb_dealloc_cmap(&info->cmap); |
770 | struct of_device *op = to_of_device(&dev->dev); | 751 | |
752 | out_unmap_regs: | ||
753 | cg6_unmap_regs(op, info, par); | ||
771 | 754 | ||
772 | return cg6_init_one(op); | 755 | out_err: |
756 | return err; | ||
773 | } | 757 | } |
774 | 758 | ||
775 | static int __devexit cg6_remove(struct of_device *op) | 759 | static int __devexit cg6_remove(struct of_device *op) |
776 | { | 760 | { |
777 | struct all_info *all = dev_get_drvdata(&op->dev); | 761 | struct fb_info *info = dev_get_drvdata(&op->dev); |
762 | struct cg6_par *par = info->par; | ||
778 | 763 | ||
779 | unregister_framebuffer(&all->info); | 764 | unregister_framebuffer(info); |
780 | fb_dealloc_cmap(&all->info.cmap); | 765 | fb_dealloc_cmap(&info->cmap); |
781 | 766 | ||
782 | cg6_unmap_regs(op, all); | 767 | cg6_unmap_regs(op, info, par); |
783 | 768 | ||
784 | kfree(all); | 769 | framebuffer_release(info); |
785 | 770 | ||
786 | dev_set_drvdata(&op->dev, NULL); | 771 | dev_set_drvdata(&op->dev, NULL); |
787 | 772 | ||