#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
-#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/fb.h>
#include <linux/mm.h>
+#include <linux/of_device.h>
#include <asm/io.h>
-#include <asm/oplib.h>
-#include <asm/prom.h>
-#include <asm/of_device.h>
#include <asm/fbio.h>
#include "sbuslib.h"
#define CG3_FLAG_BLANKED 0x00000001
#define CG3_FLAG_RDI 0x00000002
- unsigned long physbase;
unsigned long which_io;
- unsigned long fbsize;
};
/**
struct cg3_par *par = (struct cg3_par *)info->par;
return sbusfb_mmap_helper(cg3_mmap_map,
- par->physbase, par->fbsize,
+ info->fix.smem_start, info->fix.smem_len,
par->which_io,
vma);
}
static int cg3_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
{
- struct cg3_par *par = (struct cg3_par *) info->par;
-
return sbusfb_ioctl_helper(cmd, arg, info,
- FBTYPE_SUN3COLOR, 8, par->fbsize);
+ FBTYPE_SUN3COLOR, 8, info->fix.smem_len);
}
/*
static void __devinit cg3_rdi_maybe_fixup_var(struct fb_var_screeninfo *var,
struct device_node *dp)
{
- char *params;
+ const char *params;
char *p;
int ww, hh;
4, 0xff, 5, 0x00, 6, 0x70, 7, 0x00, 0
};
-static void __devinit cg3_do_default_mode(struct cg3_par *par)
+static int __devinit cg3_do_default_mode(struct cg3_par *par)
{
enum cg3_type type;
u8 *p;
else
type = CG3_AT_66HZ;
} else {
- prom_printf("cgthree: can't handle SR %02x\n",
- status);
- prom_halt();
- return;
+ printk(KERN_ERR "cgthree: can't handle SR %02x\n",
+ status);
+ return -EINVAL;
}
}
regp = (u8 __iomem *)&par->regs->cmap.control;
sbus_writeb(p[1], regp);
}
+ return 0;
}
-struct all_info {
- struct fb_info info;
- struct cg3_par par;
-};
-
-static int __devinit cg3_init_one(struct of_device *op)
+static int __devinit cg3_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 cg3_par *par;
int linebytes, err;
- all = kzalloc(sizeof(*all), GFP_KERNEL);
- if (!all)
- return -ENOMEM;
+ info = framebuffer_alloc(sizeof(struct cg3_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;
+ info->fix.smem_start = 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, 8);
+ info->var.red.length = 8;
+ info->var.green.length = 8;
+ info->var.blue.length = 8;
if (!strcmp(dp->name, "cgRDI"))
- all->par.flags |= CG3_FLAG_RDI;
- if (all->par.flags & CG3_FLAG_RDI)
- cg3_rdi_maybe_fixup_var(&all->info.var, dp);
+ par->flags |= CG3_FLAG_RDI;
+ if (par->flags & CG3_FLAG_RDI)
+ cg3_rdi_maybe_fixup_var(&info->var, dp);
linebytes = of_getintprop_default(dp, "linebytes",
- all->info.var.xres);
- all->par.fbsize = PAGE_ALIGN(linebytes * all->info.var.yres);
-
- all->par.regs = of_ioremap(&op->resource[0], CG3_REGS_OFFSET,
- sizeof(struct cg3_regs), "cg3 regs");
-
- all->info.flags = FBINFO_DEFAULT;
- all->info.fbops = &cg3_ops;
- all->info.screen_base =
- of_ioremap(&op->resource[0], CG3_RAM_OFFSET,
- all->par.fbsize, "cg3 ram");
- all->info.par = &all->par;
-
- cg3_blank(0, &all->info);
-
- if (!of_find_property(dp, "width", NULL))
- cg3_do_default_mode(&all->par);
-
- if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
- of_iounmap(&op->resource[0],
- all->par.regs, sizeof(struct cg3_regs));
- of_iounmap(&op->resource[0],
- all->info.screen_base, all->par.fbsize);
- kfree(all);
- return -ENOMEM;
- }
- fb_set_cmap(&all->info.cmap, &all->info);
-
- cg3_init_fix(&all->info, linebytes, dp);
-
- err = register_framebuffer(&all->info);
- if (err < 0) {
- fb_dealloc_cmap(&all->info.cmap);
- of_iounmap(&op->resource[0],
- all->par.regs, sizeof(struct cg3_regs));
- of_iounmap(&op->resource[0],
- all->info.screen_base, all->par.fbsize);
- kfree(all);
- return err;
+ info->var.xres);
+ info->fix.smem_len = PAGE_ALIGN(linebytes * info->var.yres);
+
+ par->regs = of_ioremap(&op->resource[0], CG3_REGS_OFFSET,
+ sizeof(struct cg3_regs), "cg3 regs");
+ if (!par->regs)
+ goto out_release_fb;
+
+ info->flags = FBINFO_DEFAULT;
+ info->fbops = &cg3_ops;
+ info->screen_base = of_ioremap(&op->resource[0], CG3_RAM_OFFSET,
+ info->fix.smem_len, "cg3 ram");
+ if (!info->screen_base)
+ goto out_unmap_regs;
+
+ cg3_blank(FB_BLANK_UNBLANK, info);
+
+ if (!of_find_property(dp, "width", NULL)) {
+ err = cg3_do_default_mode(par);
+ if (err)
+ goto out_unmap_screen;
}
- dev_set_drvdata(&op->dev, all);
+ if (fb_alloc_cmap(&info->cmap, 256, 0))
+ goto out_unmap_screen;
+
+ fb_set_cmap(&info->cmap, info);
- printk("%s: cg3 at %lx:%lx\n",
- dp->full_name, all->par.which_io, all->par.physbase);
+ cg3_init_fix(info, linebytes, dp);
+
+ err = register_framebuffer(info);
+ if (err < 0)
+ goto out_dealloc_cmap;
+
+ dev_set_drvdata(&op->dev, info);
+
+ printk(KERN_INFO "%s: cg3 at %lx:%lx\n",
+ dp->full_name, par->which_io, info->fix.smem_start);
return 0;
-}
-static int __devinit cg3_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_screen:
+ of_iounmap(&op->resource[0], info->screen_base, info->fix.smem_len);
+
+out_unmap_regs:
+ of_iounmap(&op->resource[0], par->regs, sizeof(struct cg3_regs));
- return cg3_init_one(op);
+out_release_fb:
+ framebuffer_release(info);
+
+out_err:
+ return err;
}
static int __devexit cg3_remove(struct of_device *op)
{
- struct all_info *all = dev_get_drvdata(&op->dev);
+ struct fb_info *info = dev_get_drvdata(&op->dev);
+ struct cg3_par *par = info->par;
- unregister_framebuffer(&all->info);
- fb_dealloc_cmap(&all->info.cmap);
+ unregister_framebuffer(info);
+ fb_dealloc_cmap(&info->cmap);
- of_iounmap(&op->resource[0], all->par.regs, sizeof(struct cg3_regs));
- of_iounmap(&op->resource[0], all->info.screen_base, all->par.fbsize);
+ of_iounmap(&op->resource[0], par->regs, sizeof(struct cg3_regs));
+ of_iounmap(&op->resource[0], info->screen_base, info->fix.smem_len);
- kfree(all);
+ framebuffer_release(info);
dev_set_drvdata(&op->dev, NULL);
return 0;
}
-static struct of_device_id cg3_match[] = {
+static const struct of_device_id cg3_match[] = {
{
.name = "cgthree",
},
MODULE_DEVICE_TABLE(of, cg3_match);
static struct of_platform_driver cg3_driver = {
- .name = "cg3",
- .match_table = cg3_match,
+ .driver = {
+ .name = "cg3",
+ .owner = THIS_MODULE,
+ .of_match_table = cg3_match,
+ },
.probe = cg3_probe,
.remove = __devexit_p(cg3_remove),
};
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff