#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"
u32 flags;
#define BW2_FLAG_BLANKED 0x00000001
- unsigned long physbase;
unsigned long which_io;
- unsigned long fbsize;
};
/**
struct bw2_par *par = (struct bw2_par *)info->par;
return sbusfb_mmap_helper(bw2_mmap_map,
- par->physbase, par->fbsize,
+ info->fix.smem_start, info->fix.smem_len,
par->which_io,
vma);
}
static int bw2_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
{
- struct bw2_par *par = (struct bw2_par *) info->par;
-
return sbusfb_ioctl_helper(cmd, arg, info,
- FBTYPE_SUN2BW, 1, par->fbsize);
+ FBTYPE_SUN2BW, 1, info->fix.smem_len);
}
/*
* Initialisation
*/
-static void
-bw2_init_fix(struct fb_info *info, int linebytes)
+static void __devinit bw2_init_fix(struct fb_info *info, int linebytes)
{
strlcpy(info->fix.id, "bwtwo", sizeof(info->fix.id));
info->fix.accel = FB_ACCEL_SUN_BWTWO;
}
-static u8 bw2regs_1600[] __initdata = {
+static u8 bw2regs_1600[] __devinitdata = {
0x14, 0x8b, 0x15, 0x28, 0x16, 0x03, 0x17, 0x13,
0x18, 0x7b, 0x19, 0x05, 0x1a, 0x34, 0x1b, 0x2e,
0x1c, 0x00, 0x1d, 0x0a, 0x1e, 0xff, 0x1f, 0x01,
0x10, 0x21, 0
};
-static u8 bw2regs_ecl[] __initdata = {
+static u8 bw2regs_ecl[] __devinitdata = {
0x14, 0x65, 0x15, 0x1e, 0x16, 0x04, 0x17, 0x0c,
0x18, 0x5e, 0x19, 0x03, 0x1a, 0xa7, 0x1b, 0x23,
0x1c, 0x00, 0x1d, 0x08, 0x1e, 0xff, 0x1f, 0x01,
0x10, 0x20, 0
};
-static u8 bw2regs_analog[] __initdata = {
+static u8 bw2regs_analog[] __devinitdata = {
0x14, 0xbb, 0x15, 0x2b, 0x16, 0x03, 0x17, 0x13,
0x18, 0xb0, 0x19, 0x03, 0x1a, 0xa6, 0x1b, 0x22,
0x1c, 0x01, 0x1d, 0x05, 0x1e, 0xff, 0x1f, 0x01,
0x10, 0x20, 0
};
-static u8 bw2regs_76hz[] __initdata = {
+static u8 bw2regs_76hz[] __devinitdata = {
0x14, 0xb7, 0x15, 0x27, 0x16, 0x03, 0x17, 0x0f,
0x18, 0xae, 0x19, 0x03, 0x1a, 0xae, 0x1b, 0x2a,
0x1c, 0x01, 0x1d, 0x09, 0x1e, 0xff, 0x1f, 0x01,
0x10, 0x24, 0
};
-static u8 bw2regs_66hz[] __initdata = {
+static u8 bw2regs_66hz[] __devinitdata = {
0x14, 0xbb, 0x15, 0x2b, 0x16, 0x04, 0x17, 0x14,
0x18, 0xae, 0x19, 0x03, 0x1a, 0xa8, 0x1b, 0x24,
0x1c, 0x01, 0x1d, 0x05, 0x1e, 0xff, 0x1f, 0x01,
0x10, 0x20, 0
};
-static void bw2_do_default_mode(struct bw2_par *par, struct fb_info *info,
- int *linebytes)
+static int __devinit bw2_do_default_mode(struct bw2_par *par,
+ struct fb_info *info,
+ int *linebytes)
{
u8 status, mon;
u8 *p;
break;
case BWTWO_SR_ID_NOCONN:
- return;
+ return 0;
default:
- prom_printf("bw2: can't handle SR %02x\n",
- status);
- prom_halt();
+ printk(KERN_ERR "bw2: can't handle SR %02x\n",
+ status);
+ return -EINVAL;
}
for ( ; *p; p += 2) {
u8 __iomem *regp = &((u8 __iomem *)par->regs)[p[0]];
sbus_writeb(p[1], regp);
}
+ return 0;
}
-struct all_info {
- struct fb_info info;
- struct bw2_par par;
-};
-
-static int __devinit bw2_init_one(struct of_device *op)
+static int __devinit bw2_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 bw2_par *par;
int linebytes, err;
- all = kzalloc(sizeof(*all), GFP_KERNEL);
- if (!all)
- return -ENOMEM;
+ info = framebuffer_alloc(sizeof(struct bw2_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, 1);
+ sbusfb_fill_var(&info->var, dp, 1);
linebytes = of_getintprop_default(dp, "linebytes",
- all->info.var.xres);
+ info->var.xres);
+
+ info->var.red.length = info->var.green.length =
+ info->var.blue.length = info->var.bits_per_pixel;
+ info->var.red.offset = info->var.green.offset =
+ info->var.blue.offset = 0;
+
+ par->regs = of_ioremap(&op->resource[0], BWTWO_REGISTER_OFFSET,
+ sizeof(struct bw2_regs), "bw2 regs");
+ if (!par->regs)
+ goto out_release_fb;
+
+ if (!of_find_property(dp, "width", NULL)) {
+ err = bw2_do_default_mode(par, info, &linebytes);
+ if (err)
+ goto out_unmap_regs;
+ }
- all->info.var.red.length = all->info.var.green.length =
- all->info.var.blue.length = all->info.var.bits_per_pixel;
- all->info.var.red.offset = all->info.var.green.offset =
- all->info.var.blue.offset = 0;
+ info->fix.smem_len = PAGE_ALIGN(linebytes * info->var.yres);
- all->par.regs = of_ioremap(&op->resource[0], BWTWO_REGISTER_OFFSET,
- sizeof(struct bw2_regs), "bw2 regs");
+ info->flags = FBINFO_DEFAULT;
+ info->fbops = &bw2_ops;
- if (!of_find_property(dp, "width", NULL))
- bw2_do_default_mode(&all->par, &all->info, &linebytes);
+ info->screen_base = of_ioremap(&op->resource[0], 0,
+ info->fix.smem_len, "bw2 ram");
+ if (!info->screen_base)
+ goto out_unmap_regs;
- all->par.fbsize = PAGE_ALIGN(linebytes * all->info.var.yres);
+ bw2_blank(FB_BLANK_UNBLANK, info);
- all->info.flags = FBINFO_DEFAULT;
- all->info.fbops = &bw2_ops;
+ bw2_init_fix(info, linebytes);
- all->info.screen_base =
- of_ioremap(&op->resource[0], 0, all->par.fbsize, "bw2 ram");
- all->info.par = &all->par;
+ err = register_framebuffer(info);
+ if (err < 0)
+ goto out_unmap_screen;
- bw2_blank(0, &all->info);
+ dev_set_drvdata(&op->dev, info);
- bw2_init_fix(&all->info, linebytes);
+ printk(KERN_INFO "%s: bwtwo at %lx:%lx\n",
+ dp->full_name, par->which_io, info->fix.smem_start);
- err= register_framebuffer(&all->info);
- if (err < 0) {
- of_iounmap(&op->resource[0],
- all->par.regs, sizeof(struct bw2_regs));
- of_iounmap(&op->resource[0],
- all->info.screen_base, all->par.fbsize);
- kfree(all);
- return err;
- }
+ return 0;
- dev_set_drvdata(&op->dev, all);
+out_unmap_screen:
+ of_iounmap(&op->resource[0], info->screen_base, info->fix.smem_len);
- printk("%s: bwtwo at %lx:%lx\n",
- dp->full_name,
- all->par.which_io, all->par.physbase);
+out_unmap_regs:
+ of_iounmap(&op->resource[0], par->regs, sizeof(struct bw2_regs));
- return 0;
-}
+out_release_fb:
+ framebuffer_release(info);
-static int __devinit bw2_probe(struct of_device *dev, const struct of_device_id *match)
-{
- struct of_device *op = to_of_device(&dev->dev);
-
- return bw2_init_one(op);
+out_err:
+ return err;
}
static int __devexit bw2_remove(struct of_device *op)
{
- struct all_info *all = dev_get_drvdata(&op->dev);
+ struct fb_info *info = dev_get_drvdata(&op->dev);
+ struct bw2_par *par = info->par;
- unregister_framebuffer(&all->info);
+ unregister_framebuffer(info);
- of_iounmap(&op->resource[0], all->par.regs, sizeof(struct bw2_regs));
- of_iounmap(&op->resource[0], all->info.screen_base, all->par.fbsize);
+ of_iounmap(&op->resource[0], par->regs, sizeof(struct bw2_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 bw2_match[] = {
+static const struct of_device_id bw2_match[] = {
{
.name = "bwtwo",
},
MODULE_DEVICE_TABLE(of, bw2_match);
static struct of_platform_driver bw2_driver = {
- .name = "bw2",
- .match_table = bw2_match,
+ .driver = {
+ .name = "bw2",
+ .owner = THIS_MODULE,
+ .of_match_table = bw2_match,
+ },
.probe = bw2_probe,
.remove = __devexit_p(bw2_remove),
};
static void __exit bw2_exit(void)
{
- return of_unregister_driver(&bw2_driver);
+ of_unregister_driver(&bw2_driver);
}
-
module_init(bw2_init);
module_exit(bw2_exit);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff