#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/uaccess.h>
+#include <linux/of_device.h>
#include <asm/io.h>
-#include <asm/prom.h>
-#include <asm/of_device.h>
#include <asm/fbio.h>
#include "sbuslib.h"
u32 flags;
#define CG14_FLAG_BLANKED 0x00000001
- unsigned long physbase;
unsigned long iospace;
- unsigned long fbsize;
struct sbus_mmap_map mmap_map[CG14_MMAP_ENTRIES];
struct cg14_par *par = (struct cg14_par *) info->par;
return sbusfb_mmap_helper(par->mmap_map,
- par->physbase, par->fbsize,
+ info->fix.smem_start, info->fix.smem_len,
par->iospace, vma);
}
default:
ret = sbusfb_ioctl_helper(cmd, arg, info,
- FBTYPE_MDICOLOR, 8, par->fbsize);
+ FBTYPE_MDICOLOR, 8,
+ info->fix.smem_len);
break;
};
* Initialisation
*/
-static void cg14_init_fix(struct fb_info *info, int linebytes, struct device_node *dp)
+static void __devinit cg14_init_fix(struct fb_info *info, int linebytes,
+ struct device_node *dp)
{
const char *name = dp->name;
info->fix.accel = FB_ACCEL_SUN_CG14;
}
-static struct sbus_mmap_map __cg14_mmap_map[CG14_MMAP_ENTRIES] __initdata = {
+static struct sbus_mmap_map __cg14_mmap_map[CG14_MMAP_ENTRIES] __devinitdata = {
{
.voff = CG14_REGS,
.poff = 0x80000000,
{ .size = 0 }
};
-struct all_info {
- struct fb_info info;
- struct cg14_par par;
-};
-
-static void cg14_unmap_regs(struct all_info *all)
+static void cg14_unmap_regs(struct platform_device *op, struct fb_info *info,
+ struct cg14_par *par)
{
- if (all->par.regs)
- of_iounmap(all->par.regs, sizeof(struct cg14_regs));
- if (all->par.clut)
- of_iounmap(all->par.clut, sizeof(struct cg14_clut));
- if (all->par.cursor)
- of_iounmap(all->par.cursor, sizeof(struct cg14_cursor));
- if (all->info.screen_base)
- of_iounmap(all->info.screen_base, all->par.fbsize);
+ if (par->regs)
+ of_iounmap(&op->resource[0],
+ par->regs, sizeof(struct cg14_regs));
+ if (par->clut)
+ of_iounmap(&op->resource[0],
+ par->clut, sizeof(struct cg14_clut));
+ if (par->cursor)
+ of_iounmap(&op->resource[0],
+ par->cursor, sizeof(struct cg14_cursor));
+ if (info->screen_base)
+ of_iounmap(&op->resource[1],
+ info->screen_base, info->fix.smem_len);
}
-static int __devinit cg14_init_one(struct of_device *op)
+static int __devinit cg14_probe(struct platform_device *op)
{
- struct device_node *dp = op->node;
- struct all_info *all;
+ struct device_node *dp = op->dev.of_node;
+ struct fb_info *info;
+ struct cg14_par *par;
int is_8mb, linebytes, i, err;
- all = kzalloc(sizeof(*all), GFP_KERNEL);
- if (!all)
- return -ENOMEM;
+ info = framebuffer_alloc(sizeof(struct cg14_par), &op->dev);
+
+ err = -ENOMEM;
+ if (!info)
+ goto out_err;
+ par = info->par;
- spin_lock_init(&all->par.lock);
+ spin_lock_init(&par->lock);
- 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;
linebytes = of_getintprop_default(dp, "linebytes",
- all->info.var.xres);
- all->par.fbsize = PAGE_ALIGN(linebytes * all->info.var.yres);
+ info->var.xres);
+ info->fix.smem_len = PAGE_ALIGN(linebytes * info->var.yres);
if (!strcmp(dp->parent->name, "sbus") ||
!strcmp(dp->parent->name, "sbi")) {
- all->par.physbase = op->resource[0].start;
- all->par.iospace = op->resource[0].flags & IORESOURCE_BITS;
+ info->fix.smem_start = op->resource[0].start;
+ par->iospace = op->resource[0].flags & IORESOURCE_BITS;
} else {
- all->par.physbase = op->resource[1].start;
- all->par.iospace = op->resource[0].flags & IORESOURCE_BITS;
+ info->fix.smem_start = op->resource[1].start;
+ par->iospace = op->resource[0].flags & IORESOURCE_BITS;
}
- all->par.regs = of_ioremap(&op->resource[0], 0,
- sizeof(struct cg14_regs), "cg14 regs");
- all->par.clut = of_ioremap(&op->resource[0], CG14_CLUT1,
- sizeof(struct cg14_clut), "cg14 clut");
- all->par.cursor = of_ioremap(&op->resource[0], CG14_CURSORREGS,
- sizeof(struct cg14_cursor), "cg14 cursor");
+ par->regs = of_ioremap(&op->resource[0], 0,
+ sizeof(struct cg14_regs), "cg14 regs");
+ par->clut = of_ioremap(&op->resource[0], CG14_CLUT1,
+ sizeof(struct cg14_clut), "cg14 clut");
+ par->cursor = of_ioremap(&op->resource[0], CG14_CURSORREGS,
+ sizeof(struct cg14_cursor), "cg14 cursor");
- all->info.screen_base = of_ioremap(&op->resource[1], 0,
- all->par.fbsize, "cg14 ram");
+ info->screen_base = of_ioremap(&op->resource[1], 0,
+ info->fix.smem_len, "cg14 ram");
- if (!all->par.regs || !all->par.clut || !all->par.cursor ||
- !all->info.screen_base)
- cg14_unmap_regs(all);
+ if (!par->regs || !par->clut || !par->cursor || !info->screen_base)
+ goto out_unmap_regs;
is_8mb = (((op->resource[1].end - op->resource[1].start) + 1) ==
(8 * 1024 * 1024));
- BUILD_BUG_ON(sizeof(all->par.mmap_map) != sizeof(__cg14_mmap_map));
+ BUILD_BUG_ON(sizeof(par->mmap_map) != sizeof(__cg14_mmap_map));
- memcpy(&all->par.mmap_map, &__cg14_mmap_map,
- sizeof(all->par.mmap_map));
+ memcpy(&par->mmap_map, &__cg14_mmap_map, sizeof(par->mmap_map));
for (i = 0; i < CG14_MMAP_ENTRIES; i++) {
- struct sbus_mmap_map *map = &all->par.mmap_map[i];
+ struct sbus_mmap_map *map = &par->mmap_map[i];
if (!map->size)
break;
map->size *= 2;
}
- all->par.mode = MDI_8_PIX;
- all->par.ramsize = (is_8mb ? 0x800000 : 0x400000);
+ par->mode = MDI_8_PIX;
+ par->ramsize = (is_8mb ? 0x800000 : 0x400000);
- all->info.flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
- all->info.fbops = &cg14_ops;
- all->info.par = &all->par;
+ info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
+ info->fbops = &cg14_ops;
- __cg14_reset(&all->par);
+ __cg14_reset(par);
- if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
- cg14_unmap_regs(all);
- kfree(all);
- return -ENOMEM;
- }
- fb_set_cmap(&all->info.cmap, &all->info);
+ if (fb_alloc_cmap(&info->cmap, 256, 0))
+ goto out_unmap_regs;
- cg14_init_fix(&all->info, linebytes, dp);
+ fb_set_cmap(&info->cmap, info);
- err = register_framebuffer(&all->info);
- if (err < 0) {
- fb_dealloc_cmap(&all->info.cmap);
- cg14_unmap_regs(all);
- kfree(all);
- return err;
- }
+ cg14_init_fix(info, linebytes, dp);
- dev_set_drvdata(&op->dev, all);
+ err = register_framebuffer(info);
+ if (err < 0)
+ goto out_dealloc_cmap;
- printk("%s: cgfourteen at %lx:%lx, %dMB\n",
+ dev_set_drvdata(&op->dev, info);
+
+ printk(KERN_INFO "%s: cgfourteen at %lx:%lx, %dMB\n",
dp->full_name,
- all->par.iospace, all->par.physbase,
- all->par.ramsize >> 20);
+ par->iospace, info->fix.smem_start,
+ par->ramsize >> 20);
return 0;
-}
-static int __devinit cg14_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);
- return cg14_init_one(op);
+out_unmap_regs:
+ cg14_unmap_regs(op, info, par);
+ framebuffer_release(info);
+
+out_err:
+ return err;
}
-static int __devexit cg14_remove(struct of_device *dev)
+static int __devexit cg14_remove(struct platform_device *op)
{
- struct all_info *all = dev_get_drvdata(&dev->dev);
+ struct fb_info *info = dev_get_drvdata(&op->dev);
+ struct cg14_par *par = info->par;
- unregister_framebuffer(&all->info);
- fb_dealloc_cmap(&all->info.cmap);
+ unregister_framebuffer(info);
+ fb_dealloc_cmap(&info->cmap);
- cg14_unmap_regs(all);
+ cg14_unmap_regs(op, info, par);
- kfree(all);
+ framebuffer_release(info);
- dev_set_drvdata(&dev->dev, NULL);
+ dev_set_drvdata(&op->dev, NULL);
return 0;
}
-static struct of_device_id cg14_match[] = {
+static const struct of_device_id cg14_match[] = {
{
.name = "cgfourteen",
},
};
MODULE_DEVICE_TABLE(of, cg14_match);
-static struct of_platform_driver cg14_driver = {
- .name = "cg14",
- .match_table = cg14_match,
+static struct platform_driver cg14_driver = {
+ .driver = {
+ .name = "cg14",
+ .owner = THIS_MODULE,
+ .of_match_table = cg14_match,
+ },
.probe = cg14_probe,
.remove = __devexit_p(cg14_remove),
};
-int __init cg14_init(void)
+static int __init cg14_init(void)
{
if (fb_get_options("cg14fb", NULL))
return -ENODEV;
- return of_register_driver(&cg14_driver, &of_bus_type);
+ return platform_driver_register(&cg14_driver);
}
-void __exit cg14_exit(void)
+static void __exit cg14_exit(void)
{
- of_unregister_driver(&cg14_driver);
+ platform_driver_unregister(&cg14_driver);
}
module_init(cg14_init);
Code Review / linux-2.6.git / blobdiff