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path: root/drivers/video/cg6.c
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Diffstat (limited to 'drivers/video/cg6.c')
-rw-r--r--drivers/video/cg6.c161
1 files changed, 73 insertions, 88 deletions
diff --git a/drivers/video/cg6.c b/drivers/video/cg6.c
index 4dad23a28f5..87c74712353 100644
--- a/drivers/video/cg6.c
+++ b/drivers/video/cg6.c
@@ -653,135 +653,120 @@ static void cg6_chip_init(struct fb_info *info)
sbus_writel(info->var.yres - 1, &fbc->clipmaxy);
}
-struct all_info {
- struct fb_info info;
- struct cg6_par par;
-};
-
-static void cg6_unmap_regs(struct of_device *op, struct all_info *all)
+static void cg6_unmap_regs(struct of_device *op, struct fb_info *info,
+ struct cg6_par *par)
{
- if (all->par.fbc)
- of_iounmap(&op->resource[0], all->par.fbc, 4096);
- if (all->par.tec)
- of_iounmap(&op->resource[0],
- all->par.tec, sizeof(struct cg6_tec));
- if (all->par.thc)
- of_iounmap(&op->resource[0],
- all->par.thc, sizeof(struct cg6_thc));
- if (all->par.bt)
- of_iounmap(&op->resource[0],
- all->par.bt, sizeof(struct bt_regs));
- if (all->par.fhc)
- of_iounmap(&op->resource[0],
- all->par.fhc, sizeof(u32));
-
- if (all->info.screen_base)
- of_iounmap(&op->resource[0],
- all->info.screen_base, all->par.fbsize);
+ if (par->fbc)
+ of_iounmap(&op->resource[0], par->fbc, 4096);
+ if (par->tec)
+ of_iounmap(&op->resource[0], par->tec, sizeof(struct cg6_tec));
+ if (par->thc)
+ of_iounmap(&op->resource[0], par->thc, sizeof(struct cg6_thc));
+ if (par->bt)
+ of_iounmap(&op->resource[0], par->bt, sizeof(struct bt_regs));
+ if (par->fhc)
+ of_iounmap(&op->resource[0], par->fhc, sizeof(u32));
+
+ if (info->screen_base)
+ of_iounmap(&op->resource[0], info->screen_base, par->fbsize);
}
-static int __devinit cg6_init_one(struct of_device *op)
+static int __devinit cg6_probe(struct of_device *op, const struct of_device_id *match)
{
struct device_node *dp = op->node;
- struct all_info *all;
+ struct fb_info *info;
+ struct cg6_par *par;
int linebytes, err;
- all = kzalloc(sizeof(*all), GFP_KERNEL);
- if (!all)
- return -ENOMEM;
+ info = framebuffer_alloc(sizeof(struct cg6_par), &op->dev);
+
+ err = -ENOMEM;
+ if (!info)
+ goto out_err;
+ par = info->par;
- spin_lock_init(&all->par.lock);
+ spin_lock_init(&par->lock);
- all->par.physbase = op->resource[0].start;
- all->par.which_io = op->resource[0].flags & IORESOURCE_BITS;
+ par->physbase = op->resource[0].start;
+ par->which_io = op->resource[0].flags & IORESOURCE_BITS;
- 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;
+ sbusfb_fill_var(&info->var, dp->node, 8);
+ info->var.red.length = 8;
+ info->var.green.length = 8;
+ 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);
+ info->var.xres);
+ par->fbsize = PAGE_ALIGN(linebytes * info->var.yres);
if (of_find_property(dp, "dblbuf", NULL))
- all->par.fbsize *= 4;
+ par->fbsize *= 4;
- all->par.fbc = of_ioremap(&op->resource[0], CG6_FBC_OFFSET,
+ par->fbc = of_ioremap(&op->resource[0], CG6_FBC_OFFSET,
4096, "cgsix fbc");
- all->par.tec = of_ioremap(&op->resource[0], CG6_TEC_OFFSET,
+ par->tec = of_ioremap(&op->resource[0], CG6_TEC_OFFSET,
sizeof(struct cg6_tec), "cgsix tec");
- all->par.thc = of_ioremap(&op->resource[0], CG6_THC_OFFSET,
+ par->thc = of_ioremap(&op->resource[0], CG6_THC_OFFSET,
sizeof(struct cg6_thc), "cgsix thc");
- all->par.bt = of_ioremap(&op->resource[0], CG6_BROOKTREE_OFFSET,
+ par->bt = of_ioremap(&op->resource[0], CG6_BROOKTREE_OFFSET,
sizeof(struct bt_regs), "cgsix dac");
- all->par.fhc = of_ioremap(&op->resource[0], CG6_FHC_OFFSET,
+ par->fhc = of_ioremap(&op->resource[0], CG6_FHC_OFFSET,
sizeof(u32), "cgsix fhc");
- all->info.flags = FBINFO_DEFAULT | FBINFO_HWACCEL_IMAGEBLIT |
+ info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_IMAGEBLIT |
FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT;
- all->info.fbops = &cg6_ops;
-
- all->info.screen_base = of_ioremap(&op->resource[0], CG6_RAM_OFFSET,
- all->par.fbsize, "cgsix ram");
- if (!all->par.fbc || !all->par.tec || !all->par.thc ||
- !all->par.bt || !all->par.fhc || !all->info.screen_base) {
- cg6_unmap_regs(op, all);
- kfree(all);
- return -ENOMEM;
- }
+ info->fbops = &cg6_ops;
- all->info.par = &all->par;
+ info->screen_base = of_ioremap(&op->resource[0], CG6_RAM_OFFSET,
+ par->fbsize, "cgsix ram");
+ if (!par->fbc || !par->tec || !par->thc ||
+ !par->bt || !par->fhc || !info->screen_base)
+ goto out_unmap_regs;
- all->info.var.accel_flags = FB_ACCELF_TEXT;
+ info->var.accel_flags = FB_ACCELF_TEXT;
- cg6_bt_init(&all->par);
- cg6_chip_init(&all->info);
- cg6_blank(0, &all->info);
+ cg6_bt_init(par);
+ cg6_chip_init(info);
+ cg6_blank(0, info);
- if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
- cg6_unmap_regs(op, all);
- kfree(all);
- return -ENOMEM;
- }
+ if (fb_alloc_cmap(&info->cmap, 256, 0))
+ goto out_unmap_regs;
- fb_set_cmap(&all->info.cmap, &all->info);
- cg6_init_fix(&all->info, linebytes);
+ fb_set_cmap(&info->cmap, info);
+ cg6_init_fix(info, linebytes);
- err = register_framebuffer(&all->info);
- if (err < 0) {
- cg6_unmap_regs(op, all);
- fb_dealloc_cmap(&all->info.cmap);
- kfree(all);
- return err;
- }
+ err = register_framebuffer(info);
+ if (err < 0)
+ goto out_dealloc_cmap;
- dev_set_drvdata(&op->dev, all);
+ dev_set_drvdata(&op->dev, info);
printk("%s: CGsix [%s] at %lx:%lx\n",
- dp->full_name,
- all->info.fix.id,
- all->par.which_io, all->par.physbase);
+ dp->full_name, info->fix.id,
+ par->which_io, par->physbase);
return 0;
-}
-static int __devinit cg6_probe(struct of_device *dev, const struct of_device_id *match)
-{
- struct of_device *op = to_of_device(&dev->dev);
+out_dealloc_cmap:
+ fb_dealloc_cmap(&info->cmap);
+
+out_unmap_regs:
+ cg6_unmap_regs(op, info, par);
- return cg6_init_one(op);
+out_err:
+ return err;
}
static int __devexit cg6_remove(struct of_device *op)
{
- struct all_info *all = dev_get_drvdata(&op->dev);
+ struct fb_info *info = dev_get_drvdata(&op->dev);
+ struct cg6_par *par = info->par;
- unregister_framebuffer(&all->info);
- fb_dealloc_cmap(&all->info.cmap);
+ unregister_framebuffer(info);
+ fb_dealloc_cmap(&info->cmap);
- cg6_unmap_regs(op, all);
+ cg6_unmap_regs(op, info, par);
- kfree(all);
+ framebuffer_release(info);
dev_set_drvdata(&op->dev, NULL);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-18 10:08:32 +0000