/* leo.c: LEO frame buffer driver
*
- * Copyright (C) 2003, 2006 David S. Miller (davem@davemloft.net)
+ * Copyright (C) 2003 David S. Miller (davem@redhat.com)
* Copyright (C) 1996-1999 Jakub Jelinek (jj@ultra.linux.cz)
* Copyright (C) 1997 Michal Rehacek (Michal.Rehacek@st.mff.cuni.cz)
*
#include <linux/mm.h>
#include <asm/io.h>
-#include <asm/prom.h>
-#include <asm/of_device.h>
+#include <asm/sbus.h>
+#include <asm/oplib.h>
#include <asm/fbio.h>
#include "sbuslib.h"
struct leo_cursor {
u8 xxx0[16];
- u32 cur_type;
- u32 cur_misc;
- u32 cur_cursxy;
- u32 cur_data;
+ volatile u32 cur_type;
+ volatile u32 cur_misc;
+ volatile u32 cur_cursxy;
+ volatile u32 cur_data;
};
#define LEO_KRN_TYPE_CLUT0 0x00001000
#define LEO_KRN_CSR_UNK2 0x00000001
struct leo_lx_krn {
- u32 krn_type;
- u32 krn_csr;
- u32 krn_value;
+ volatile u32 krn_type;
+ volatile u32 krn_csr;
+ volatile u32 krn_value;
};
struct leo_lc_ss0_krn {
- u32 misc;
+ volatile u32 misc;
u8 xxx0[0x800-4];
- u32 rev;
+ volatile u32 rev;
};
struct leo_lc_ss0_usr {
- u32 csr;
- u32 addrspace;
- u32 fontmsk;
- u32 fontt;
- u32 extent;
- u32 src;
+ volatile u32 csr;
+ volatile u32 addrspace;
+ volatile u32 fontmsk;
+ volatile u32 fontt;
+ volatile u32 extent;
+ volatile u32 src;
u32 dst;
- u32 copy;
- u32 fill;
+ volatile u32 copy;
+ volatile u32 fill;
};
struct leo_lc_ss1_krn {
struct leo_ld {
u8 xxx0[0xe00];
- u32 csr;
- u32 wid;
- u32 wmask;
- u32 widclip;
- u32 vclipmin;
- u32 vclipmax;
- u32 pickmin; /* SS1 only */
- u32 pickmax; /* SS1 only */
- u32 fg;
- u32 bg;
- u32 src; /* Copy/Scroll (SS0 only) */
- u32 dst; /* Copy/Scroll/Fill (SS0 only) */
- u32 extent; /* Copy/Scroll/Fill size (SS0 only) */
+ volatile u32 csr;
+ volatile u32 wid;
+ volatile u32 wmask;
+ volatile u32 widclip;
+ volatile u32 vclipmin;
+ volatile u32 vclipmax;
+ volatile u32 pickmin; /* SS1 only */
+ volatile u32 pickmax; /* SS1 only */
+ volatile u32 fg;
+ volatile u32 bg;
+ volatile u32 src; /* Copy/Scroll (SS0 only) */
+ volatile u32 dst; /* Copy/Scroll/Fill (SS0 only) */
+ volatile u32 extent; /* Copy/Scroll/Fill size (SS0 only) */
u32 xxx1[3];
- u32 setsem; /* SS1 only */
- u32 clrsem; /* SS1 only */
- u32 clrpick; /* SS1 only */
- u32 clrdat; /* SS1 only */
- u32 alpha; /* SS1 only */
+ volatile u32 setsem; /* SS1 only */
+ volatile u32 clrsem; /* SS1 only */
+ volatile u32 clrpick; /* SS1 only */
+ volatile u32 clrdat; /* SS1 only */
+ volatile u32 alpha; /* SS1 only */
u8 xxx2[0x2c];
- u32 winbg;
- u32 planemask;
- u32 rop;
- u32 z;
- u32 dczf; /* SS1 only */
- u32 dczb; /* SS1 only */
- u32 dcs; /* SS1 only */
- u32 dczs; /* SS1 only */
- u32 pickfb; /* SS1 only */
- u32 pickbb; /* SS1 only */
- u32 dcfc; /* SS1 only */
- u32 forcecol; /* SS1 only */
- u32 door[8]; /* SS1 only */
- u32 pick[5]; /* SS1 only */
+ volatile u32 winbg;
+ volatile u32 planemask;
+ volatile u32 rop;
+ volatile u32 z;
+ volatile u32 dczf; /* SS1 only */
+ volatile u32 dczb; /* SS1 only */
+ volatile u32 dcs; /* SS1 only */
+ volatile u32 dczs; /* SS1 only */
+ volatile u32 pickfb; /* SS1 only */
+ volatile u32 pickbb; /* SS1 only */
+ volatile u32 dcfc; /* SS1 only */
+ volatile u32 forcecol; /* SS1 only */
+ volatile u32 door[8]; /* SS1 only */
+ volatile u32 pick[5]; /* SS1 only */
};
#define LEO_SS1_MISC_ENABLE 0x00000001
#define LEO_SS1_MISC_STEREO 0x00000002
struct leo_ld_ss1 {
- u8 xxx0[0xef4];
- u32 ss1_misc;
+ u8 xxx0[0xef4];
+ volatile u32 ss1_misc;
};
struct leo_ld_gbl {
#define LEO_FLAG_BLANKED 0x00000001
unsigned long physbase;
- unsigned long which_io;
unsigned long fbsize;
+
+ struct sbus_dev *sdev;
};
static void leo_wait(struct leo_lx_krn __iomem *lx_krn)
return sbusfb_mmap_helper(leo_mmap_map,
par->physbase, par->fbsize,
- par->which_io, vma);
+ par->sdev->reg_addrs[0].which_io,
+ vma);
}
static int leo_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
*/
static void
-leo_init_fix(struct fb_info *info, struct device_node *dp)
+leo_init_fix(struct fb_info *info)
{
- strlcpy(info->fix.id, dp->name, sizeof(info->fix.id));
+ struct leo_par *par = (struct leo_par *)info->par;
+
+ strlcpy(info->fix.id, par->sdev->prom_name, sizeof(info->fix.id));
info->fix.type = FB_TYPE_PACKED_PIXELS;
info->fix.visual = FB_VISUAL_TRUECOLOR;
struct all_info {
struct fb_info info;
struct leo_par par;
+ struct list_head list;
};
+static LIST_HEAD(leo_list);
-static void leo_unmap_regs(struct all_info *all)
-{
- if (all->par.lc_ss0_usr)
- of_iounmap(all->par.lc_ss0_usr, 0x1000);
- if (all->par.ld_ss0)
- of_iounmap(all->par.ld_ss0, 0x1000);
- if (all->par.ld_ss1)
- of_iounmap(all->par.ld_ss1, 0x1000);
- if (all->par.lx_krn)
- of_iounmap(all->par.lx_krn, 0x1000);
- if (all->par.cursor)
- of_iounmap(all->par.cursor, sizeof(struct leo_cursor));
- if (all->info.screen_base)
- of_iounmap(all->info.screen_base, 0x800000);
-}
-
-static int __devinit leo_init_one(struct of_device *op)
+static void leo_init_one(struct sbus_dev *sdev)
{
- struct device_node *dp = op->node;
struct all_info *all;
- int linebytes, err;
+ int linebytes;
+
+ all = kmalloc(sizeof(*all), GFP_KERNEL);
+ if (!all) {
+ printk(KERN_ERR "leo: Cannot allocate memory.\n");
+ return;
+ }
+ memset(all, 0, sizeof(*all));
- all = kzalloc(sizeof(*all), GFP_KERNEL);
- if (!all)
- return -ENOMEM;
+ INIT_LIST_HEAD(&all->list);
spin_lock_init(&all->par.lock);
+ all->par.sdev = sdev;
- all->par.physbase = op->resource[0].start;
- all->par.which_io = op->resource[0].flags & IORESOURCE_BITS;
+ all->par.physbase = sdev->reg_addrs[0].phys_addr;
- sbusfb_fill_var(&all->info.var, dp->node, 32);
+ sbusfb_fill_var(&all->info.var, sdev->prom_node, 32);
leo_fixup_var_rgb(&all->info.var);
- linebytes = of_getintprop_default(dp, "linebytes",
- all->info.var.xres);
+ linebytes = prom_getintdefault(sdev->prom_node, "linebytes",
+ all->info.var.xres);
all->par.fbsize = PAGE_ALIGN(linebytes * all->info.var.yres);
+#ifdef CONFIG_SPARC32
+ all->info.screen_base = (char __iomem *)
+ prom_getintdefault(sdev->prom_node, "address", 0);
+#endif
+ if (!all->info.screen_base)
+ all->info.screen_base =
+ sbus_ioremap(&sdev->resource[0], LEO_OFF_SS0,
+ 0x800000, "leo ram");
+
all->par.lc_ss0_usr =
- of_ioremap(&op->resource[0], LEO_OFF_LC_SS0_USR,
- 0x1000, "leolc ss0usr");
+ sbus_ioremap(&sdev->resource[0], LEO_OFF_LC_SS0_USR,
+ 0x1000, "leolc ss0usr");
all->par.ld_ss0 =
- of_ioremap(&op->resource[0], LEO_OFF_LD_SS0,
- 0x1000, "leold ss0");
+ sbus_ioremap(&sdev->resource[0], LEO_OFF_LD_SS0,
+ 0x1000, "leold ss0");
all->par.ld_ss1 =
- of_ioremap(&op->resource[0], LEO_OFF_LD_SS1,
- 0x1000, "leold ss1");
+ sbus_ioremap(&sdev->resource[0], LEO_OFF_LD_SS1,
+ 0x1000, "leold ss1");
all->par.lx_krn =
- of_ioremap(&op->resource[0], LEO_OFF_LX_KRN,
- 0x1000, "leolx krn");
+ sbus_ioremap(&sdev->resource[0], LEO_OFF_LX_KRN,
+ 0x1000, "leolx krn");
all->par.cursor =
- of_ioremap(&op->resource[0], LEO_OFF_LX_CURSOR,
- sizeof(struct leo_cursor), "leolx cursor");
- all->info.screen_base =
- of_ioremap(&op->resource[0], LEO_OFF_SS0,
- 0x800000, "leo ram");
- if (!all->par.lc_ss0_usr ||
- !all->par.ld_ss0 ||
- !all->par.ld_ss1 ||
- !all->par.lx_krn ||
- !all->par.cursor ||
- !all->info.screen_base) {
- leo_unmap_regs(all);
- kfree(all);
- return -ENOMEM;
- }
+ sbus_ioremap(&sdev->resource[0], LEO_OFF_LX_CURSOR,
+ sizeof(struct leo_cursor), "leolx cursor");
all->info.flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
all->info.fbops = &leo_ops;
leo_blank(0, &all->info);
if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
- leo_unmap_regs(all);
+ printk(KERN_ERR "leo: Could not allocate color map.\n");
kfree(all);
- return -ENOMEM;;
+ return;
}
- leo_init_fix(&all->info, dp);
+ leo_init_fix(&all->info);
- err = register_framebuffer(&all->info);
- if (err < 0) {
+ if (register_framebuffer(&all->info) < 0) {
+ printk(KERN_ERR "leo: Could not register framebuffer.\n");
fb_dealloc_cmap(&all->info.cmap);
- leo_unmap_regs(all);
kfree(all);
- return err;
+ return;
}
- dev_set_drvdata(&op->dev, all);
-
- printk("%s: leo at %lx:%lx\n",
- dp->full_name,
- all->par.which_io, all->par.physbase);
+ list_add(&all->list, &leo_list);
- return 0;
+ printk("leo: %s at %lx:%lx\n",
+ sdev->prom_name,
+ (long) sdev->reg_addrs[0].which_io,
+ (long) sdev->reg_addrs[0].phys_addr);
}
-static int __devinit leo_probe(struct of_device *dev, const struct of_device_id *match)
+int __init leo_init(void)
{
- struct of_device *op = to_of_device(&dev->dev);
-
- return leo_init_one(op);
-}
-
-static int __devexit leo_remove(struct of_device *dev)
-{
- struct all_info *all = dev_get_drvdata(&dev->dev);
-
- unregister_framebuffer(&all->info);
- fb_dealloc_cmap(&all->info.cmap);
+ struct sbus_bus *sbus;
+ struct sbus_dev *sdev;
- leo_unmap_regs(all);
-
- kfree(all);
+ if (fb_get_options("leofb", NULL))
+ return -ENODEV;
- dev_set_drvdata(&dev->dev, NULL);
+ for_all_sbusdev(sdev, sbus) {
+ if (!strcmp(sdev->prom_name, "leo"))
+ leo_init_one(sdev);
+ }
return 0;
}
-static struct of_device_id leo_match[] = {
- {
- .name = "leo",
- },
- {},
-};
-MODULE_DEVICE_TABLE(of, leo_match);
-
-static struct of_platform_driver leo_driver = {
- .name = "leo",
- .match_table = leo_match,
- .probe = leo_probe,
- .remove = __devexit_p(leo_remove),
-};
-
-static int __init leo_init(void)
+void __exit leo_exit(void)
{
- if (fb_get_options("leofb", NULL))
- return -ENODEV;
+ struct list_head *pos, *tmp;
- return of_register_driver(&leo_driver, &of_bus_type);
+ list_for_each_safe(pos, tmp, &leo_list) {
+ struct all_info *all = list_entry(pos, typeof(*all), list);
+
+ unregister_framebuffer(&all->info);
+ fb_dealloc_cmap(&all->info.cmap);
+ kfree(all);
+ }
}
-static void __exit leo_exit(void)
+int __init
+leo_setup(char *arg)
{
- of_unregister_driver(&leo_driver);
+ /* No cmdline options yet... */
+ return 0;
}
module_init(leo_init);
+#ifdef MODULE
module_exit(leo_exit);
+#endif
MODULE_DESCRIPTION("framebuffer driver for LEO chipsets");
-MODULE_AUTHOR("David S. Miller <davem@davemloft.net>");
-MODULE_VERSION("2.0");
+MODULE_AUTHOR("David S. Miller <davem@redhat.com>");
MODULE_LICENSE("GPL");
git://git.onelab.eu / linux-2.6.git / blobdiff