static int tcx_remove(struct platform_device *op) { struct fb_info *info = dev_get_drvdata(&op->dev); struct tcx_par *par = info->par; unregister_framebuffer(info); fb_dealloc_cmap(&info->cmap); tcx_unmap_regs(op, info, par); framebuffer_release(info); return 0; }
static int __devexit tcx_remove(struct of_device *dev) { struct all_info *all = dev_get_drvdata(&dev->dev); unregister_framebuffer(&all->info); fb_dealloc_cmap(&all->info.cmap); tcx_unmap_regs(all); kfree(all); dev_set_drvdata(&dev->dev, NULL); return 0; }
static int tcx_probe(struct platform_device *op) { struct device_node *dp = op->dev.of_node; struct fb_info *info; struct tcx_par *par; int linebytes, i, err; info = framebuffer_alloc(sizeof(struct tcx_par), &op->dev); err = -ENOMEM; if (!info) goto out_err; par = info->par; spin_lock_init(&par->lock); par->lowdepth = (of_find_property(dp, "tcx-8-bit", NULL) != NULL); sbusfb_fill_var(&info->var, dp, 8); info->var.red.length = 8; info->var.green.length = 8; info->var.blue.length = 8; linebytes = of_getintprop_default(dp, "linebytes", info->var.xres); info->fix.smem_len = PAGE_ALIGN(linebytes * info->var.yres); par->tec = of_ioremap(&op->resource[7], 0, sizeof(struct tcx_tec), "tcx tec"); par->thc = of_ioremap(&op->resource[9], 0, sizeof(struct tcx_thc), "tcx thc"); par->bt = of_ioremap(&op->resource[8], 0, sizeof(struct bt_regs), "tcx dac"); info->screen_base = of_ioremap(&op->resource[0], 0, info->fix.smem_len, "tcx ram"); if (!par->tec || !par->thc || !par->bt || !info->screen_base) goto out_unmap_regs; memcpy(&par->mmap_map, &__tcx_mmap_map, sizeof(par->mmap_map)); if (!par->lowdepth) { par->cplane = of_ioremap(&op->resource[4], 0, info->fix.smem_len * sizeof(u32), "tcx cplane"); if (!par->cplane) goto out_unmap_regs; } else { par->mmap_map[1].size = SBUS_MMAP_EMPTY; par->mmap_map[4].size = SBUS_MMAP_EMPTY; par->mmap_map[5].size = SBUS_MMAP_EMPTY; par->mmap_map[6].size = SBUS_MMAP_EMPTY; } info->fix.smem_start = op->resource[0].start; par->which_io = op->resource[0].flags & IORESOURCE_BITS; for (i = 0; i < TCX_MMAP_ENTRIES; i++) { int j; switch (i) { case 10: j = 12; break; case 11: case 12: j = i - 1; break; default: j = i; break; } par->mmap_map[i].poff = op->resource[j].start; } info->flags = FBINFO_DEFAULT; info->fbops = &tcx_ops; /* Initialize brooktree DAC. */ sbus_writel(0x04 << 24, &par->bt->addr); /* color planes */ sbus_writel(0xff << 24, &par->bt->control); sbus_writel(0x05 << 24, &par->bt->addr); sbus_writel(0x00 << 24, &par->bt->control); sbus_writel(0x06 << 24, &par->bt->addr); /* overlay plane */ sbus_writel(0x73 << 24, &par->bt->control); sbus_writel(0x07 << 24, &par->bt->addr); sbus_writel(0x00 << 24, &par->bt->control); tcx_reset(info); tcx_blank(FB_BLANK_UNBLANK, info); if (fb_alloc_cmap(&info->cmap, 256, 0)) goto out_unmap_regs; fb_set_cmap(&info->cmap, info); tcx_init_fix(info, linebytes); err = register_framebuffer(info); if (err < 0) goto out_dealloc_cmap; dev_set_drvdata(&op->dev, info); printk(KERN_INFO "%s: TCX at %lx:%lx, %s\n", dp->full_name, par->which_io, info->fix.smem_start, par->lowdepth ? "8-bit only" : "24-bit depth"); return 0; out_dealloc_cmap: fb_dealloc_cmap(&info->cmap); out_unmap_regs: tcx_unmap_regs(op, info, par); framebuffer_release(info); out_err: return err; }
static int __devinit tcx_init_one(struct of_device *op) { struct device_node *dp = op->node; struct all_info *all; int linebytes, i, err; all = kzalloc(sizeof(*all), GFP_KERNEL); if (!all) return -ENOMEM; spin_lock_init(&all->par.lock); all->par.lowdepth = (of_find_property(dp, "tcx-8-bit", NULL) != NULL); sbusfb_fill_var(&all->info.var, dp->node, 8); all->info.var.red.length = 8; all->info.var.green.length = 8; all->info.var.blue.length = 8; linebytes = of_getintprop_default(dp, "linebytes", all->info.var.xres); all->par.fbsize = PAGE_ALIGN(linebytes * all->info.var.yres); all->par.tec = of_ioremap(&op->resource[7], 0, sizeof(struct tcx_tec), "tcx tec"); all->par.thc = of_ioremap(&op->resource[9], 0, sizeof(struct tcx_thc), "tcx thc"); all->par.bt = of_ioremap(&op->resource[8], 0, sizeof(struct bt_regs), "tcx dac"); all->info.screen_base = of_ioremap(&op->resource[0], 0, all->par.fbsize, "tcx ram"); if (!all->par.tec || !all->par.thc || !all->par.bt || !all->info.screen_base) { tcx_unmap_regs(all); kfree(all); return -ENOMEM; } memcpy(&all->par.mmap_map, &__tcx_mmap_map, sizeof(all->par.mmap_map)); if (!all->par.lowdepth) { all->par.cplane = of_ioremap(&op->resource[4], 0, all->par.fbsize * sizeof(u32), "tcx cplane"); if (!all->par.cplane) { tcx_unmap_regs(all); kfree(all); return -ENOMEM; } } else { all->par.mmap_map[1].size = SBUS_MMAP_EMPTY; all->par.mmap_map[4].size = SBUS_MMAP_EMPTY; all->par.mmap_map[5].size = SBUS_MMAP_EMPTY; all->par.mmap_map[6].size = SBUS_MMAP_EMPTY; } all->par.physbase = 0; all->par.which_io = op->resource[0].flags & IORESOURCE_BITS; for (i = 0; i < TCX_MMAP_ENTRIES; i++) { int j; switch (i) { case 10: j = 12; break; case 11: case 12: j = i - 1; break; default: j = i; break; }; all->par.mmap_map[i].poff = op->resource[j].start; } all->info.flags = FBINFO_DEFAULT; all->info.fbops = &tcx_ops; all->info.par = &all->par; /* Initialize brooktree DAC. */ sbus_writel(0x04 << 24, &all->par.bt->addr); /* color planes */ sbus_writel(0xff << 24, &all->par.bt->control); sbus_writel(0x05 << 24, &all->par.bt->addr); sbus_writel(0x00 << 24, &all->par.bt->control); sbus_writel(0x06 << 24, &all->par.bt->addr); /* overlay plane */ sbus_writel(0x73 << 24, &all->par.bt->control); sbus_writel(0x07 << 24, &all->par.bt->addr); sbus_writel(0x00 << 24, &all->par.bt->control); tcx_reset(&all->info); tcx_blank(FB_BLANK_UNBLANK, &all->info); if (fb_alloc_cmap(&all->info.cmap, 256, 0)) { tcx_unmap_regs(all); kfree(all); return -ENOMEM; } fb_set_cmap(&all->info.cmap, &all->info); tcx_init_fix(&all->info, linebytes); err = register_framebuffer(&all->info); if (err < 0) { fb_dealloc_cmap(&all->info.cmap); tcx_unmap_regs(all); kfree(all); return err; } dev_set_drvdata(&op->dev, all); printk("%s: TCX at %lx:%lx, %s\n", dp->full_name, all->par.which_io, op->resource[0].start, all->par.lowdepth ? "8-bit only" : "24-bit depth"); return 0; }