[SPARC]: Convert all FB SBUS drivers to of_driver framework.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 131 insertions, 120 deletions

diff --git a/drivers/video/p9100.c b/drivers/video/p9100.c
index 0d1957505359..56ac51d6a7f3 100644
--- a/drivers/video/p9100.c
+++ b/drivers/video/p9100.c
@@ -1,6 +1,6 @@
 /* p9100.c: P9100 frame buffer driver
  *
- * Copyright (C) 2003 David S. Miller (davem@redhat.com)
+ * Copyright (C) 2003, 2006 David S. Miller (davem@davemloft.net)
  * Copyright 1999 Derrick J Brashear (shadow@dementia.org)
  *
  * Driver layout based loosely on tgafb.c, see that file for credits.
@@ -17,8 +17,8 @@
 #include <linux/mm.h>
 
 #include <asm/io.h>
-#include <asm/sbus.h>
-#include <asm/oplib.h>
+#include <asm/prom.h>
+#include <asm/of_device.h>
 #include <asm/fbio.h>
 
 #include "sbuslib.h"
@@ -72,60 +72,60 @@ static struct fb_ops p9100_ops = {
 
 struct p9100_regs {
         /* Registers for the system control */
-        volatile u32 sys_base;
-        volatile u32 sys_config;
-        volatile u32 sys_intr;
-        volatile u32 sys_int_ena;
-        volatile u32 sys_alt_rd;
-        volatile u32 sys_alt_wr;
-        volatile u32 sys_xxx[58];
+        u32 sys_base;
+        u32 sys_config;
+        u32 sys_intr;
+        u32 sys_int_ena;
+        u32 sys_alt_rd;
+        u32 sys_alt_wr;
+        u32 sys_xxx[58];
 
         /* Registers for the video control */
-        volatile u32 vid_base;
-        volatile u32 vid_hcnt;
-        volatile u32 vid_htotal;
-        volatile u32 vid_hsync_rise;
-        volatile u32 vid_hblank_rise;
-        volatile u32 vid_hblank_fall;
-        volatile u32 vid_hcnt_preload;
-        volatile u32 vid_vcnt;
-        volatile u32 vid_vlen;
-        volatile u32 vid_vsync_rise;
-        volatile u32 vid_vblank_rise;
-        volatile u32 vid_vblank_fall;
-        volatile u32 vid_vcnt_preload;
-        volatile u32 vid_screenpaint_addr;
-        volatile u32 vid_screenpaint_timectl1;
-        volatile u32 vid_screenpaint_qsfcnt;
-        volatile u32 vid_screenpaint_timectl2;
-        volatile u32 vid_xxx[15];
+        u32 vid_base;
+        u32 vid_hcnt;
+        u32 vid_htotal;
+        u32 vid_hsync_rise;
+        u32 vid_hblank_rise;
+        u32 vid_hblank_fall;
+        u32 vid_hcnt_preload;
+        u32 vid_vcnt;
+        u32 vid_vlen;
+        u32 vid_vsync_rise;
+        u32 vid_vblank_rise;
+        u32 vid_vblank_fall;
+        u32 vid_vcnt_preload;
+        u32 vid_screenpaint_addr;
+        u32 vid_screenpaint_timectl1;
+        u32 vid_screenpaint_qsfcnt;
+        u32 vid_screenpaint_timectl2;
+        u32 vid_xxx[15];
 
         /* Registers for the video control */
-        volatile u32 vram_base;
-        volatile u32 vram_memcfg;
-        volatile u32 vram_refresh_pd;
-        volatile u32 vram_refresh_cnt;
-        volatile u32 vram_raslo_max;
-        volatile u32 vram_raslo_cur;
-        volatile u32 pwrup_cfg;
-        volatile u32 vram_xxx[25];
+        u32 vram_base;
+        u32 vram_memcfg;
+        u32 vram_refresh_pd;
+        u32 vram_refresh_cnt;
+        u32 vram_raslo_max;
+        u32 vram_raslo_cur;
+        u32 pwrup_cfg;
+        u32 vram_xxx[25];
 
         /* Registers for IBM RGB528 Palette */
-        volatile u32 ramdac_cmap_wridx; 
-        volatile u32 ramdac_palette_data;
-        volatile u32 ramdac_pixel_mask;
-        volatile u32 ramdac_palette_rdaddr;
-        volatile u32 ramdac_idx_lo;
-        volatile u32 ramdac_idx_hi;
-        volatile u32 ramdac_idx_data;
-        volatile u32 ramdac_idx_ctl;
-        volatile u32 ramdac_xxx[1784];
+        u32 ramdac_cmap_wridx; 
+        u32 ramdac_palette_data;
+        u32 ramdac_pixel_mask;
+        u32 ramdac_palette_rdaddr;
+        u32 ramdac_idx_lo;
+        u32 ramdac_idx_hi;
+        u32 ramdac_idx_data;
+        u32 ramdac_idx_ctl;
+        u32 ramdac_xxx[1784];
 };
 
 struct p9100_cmd_parameng {
-        volatile u32 parameng_status;
-        volatile u32 parameng_bltcmd;
-        volatile u32 parameng_quadcmd;
+        u32 parameng_status;
+        u32 parameng_bltcmd;
+        u32 parameng_quadcmd;
 };
 
 struct p9100_par {
@@ -136,9 +136,8 @@ struct p9100_par {
 #define P9100_FLAG_BLANKED      0x00000001
 
         unsigned long           physbase;
+        unsigned long           which_io;
         unsigned long           fbsize;
-
-        struct sbus_dev         *sdev;
 };
 
 /**
@@ -227,8 +226,7 @@ static int p9100_mmap(struct fb_info *info, struct vm_area_struct *vma)
 
         return sbusfb_mmap_helper(p9100_mmap_map,
                                   par->physbase, par->fbsize,
-                                  par->sdev->reg_addrs[0].which_io,
-                                  vma);
+                                  par->which_io, vma);
 }
 
 static int p9100_ioctl(struct fb_info *info, unsigned int cmd,
@@ -245,12 +243,9 @@ static int p9100_ioctl(struct fb_info *info, unsigned int cmd,
  *  Initialisation
  */
 
-static void
-p9100_init_fix(struct fb_info *info, int linebytes)
+static void p9100_init_fix(struct fb_info *info, int linebytes, struct device_node *dp)
 {
-        struct p9100_par *par = (struct p9100_par *)info->par;
-
-        strlcpy(info->fix.id, par->sdev->prom_name, sizeof(info->fix.id));
+        strlcpy(info->fix.id, dp->name, sizeof(info->fix.id));
 
         info->fix.type = FB_TYPE_PACKED_PIXELS;
         info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
@@ -263,121 +258,137 @@ p9100_init_fix(struct fb_info *info, int linebytes)
 struct all_info {
         struct fb_info info;
         struct p9100_par par;
-        struct list_head list;
 };
-static LIST_HEAD(p9100_list);
 
-static void p9100_init_one(struct sbus_dev *sdev)
+static int __devinit p9100_init_one(struct of_device *op)
 {
+        struct device_node *dp = op->node;
         struct all_info *all;
-        int linebytes;
-
-        all = kmalloc(sizeof(*all), GFP_KERNEL);
-        if (!all) {
-                printk(KERN_ERR "p9100: Cannot allocate memory.\n");
-                return;
-        }
-        memset(all, 0, sizeof(*all));
+        int linebytes, err;
 
-        INIT_LIST_HEAD(&all->list);
+        all = kzalloc(sizeof(*all), GFP_KERNEL);
+        if (!all)
+                return -ENOMEM;
 
         spin_lock_init(&all->par.lock);
-        all->par.sdev = sdev;
 
         /* This is the framebuffer and the only resource apps can mmap.  */
-        all->par.physbase = sdev->reg_addrs[2].phys_addr;
+        all->par.physbase = op->resource[2].start;
+        all->par.which_io = op->resource[2].flags & IORESOURCE_BITS;
 
-        sbusfb_fill_var(&all->info.var, sdev->prom_node, 8);
+        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;
 
-        linebytes = prom_getintdefault(sdev->prom_node, "linebytes",
-                                       all->info.var.xres);
+        linebytes = of_getintprop_default(dp, "linebytes",
+                                          all->info.var.xres);
         all->par.fbsize = PAGE_ALIGN(linebytes * all->info.var.yres);
 
-        all->par.regs = sbus_ioremap(&sdev->resource[0], 0,
-                             sizeof(struct p9100_regs), "p9100 regs");
+        all->par.regs = of_ioremap(&op->resource[0], 0,
+                                   sizeof(struct p9100_regs), "p9100 regs");
+        if (!all->par.regs) {
+                kfree(all);
+                return -ENOMEM;
+        }
 
         all->info.flags = FBINFO_DEFAULT;
         all->info.fbops = &p9100_ops;
-#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[2], 0,
-                                     all->par.fbsize, "p9100 ram");
+        all->info.screen_base = of_ioremap(&op->resource[2], 0,
+                                           all->par.fbsize, "p9100 ram");
+        if (!all->info.screen_base) {
+                of_iounmap(all->par.regs, sizeof(struct p9100_regs));
+                kfree(all);
+                return -ENOMEM;
+        }
         all->info.par = &all->par;
 
         p9100_blank(0, &all->info);
 
         if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
-                printk(KERN_ERR "p9100: Could not allocate color map.\n");
+                of_iounmap(all->par.regs, sizeof(struct p9100_regs));
+                of_iounmap(all->info.screen_base, all->par.fbsize);
                 kfree(all);
-                return;
+                return -ENOMEM;
         }
 
-        p9100_init_fix(&all->info, linebytes);
+        p9100_init_fix(&all->info, linebytes, dp);
 
-        if (register_framebuffer(&all->info) < 0) {
-                printk(KERN_ERR "p9100: Could not register framebuffer.\n");
+        err = register_framebuffer(&all->info);
+        if (err < 0) {
                 fb_dealloc_cmap(&all->info.cmap);
+                of_iounmap(all->par.regs, sizeof(struct p9100_regs));
+                of_iounmap(all->info.screen_base, all->par.fbsize);
                 kfree(all);
-                return;
+                return err;
         }
         fb_set_cmap(&all->info.cmap, &all->info);
 
-        list_add(&all->list, &p9100_list);
+        dev_set_drvdata(&op->dev, all);
+
+        printk("%s: p9100 at %lx:%lx\n",
+               dp->full_name,
+               all->par.which_io, all->par.physbase);
 
-        printk("p9100: %s at %lx:%lx\n",
-               sdev->prom_name,
-               (long) sdev->reg_addrs[0].which_io,
-               (long) sdev->reg_addrs[0].phys_addr);
+        return 0;
 }
 
-int __init p9100_init(void)
+static int __devinit p9100_probe(struct of_device *dev, const struct of_device_id *match)
 {
-        struct sbus_bus *sbus;
-        struct sbus_dev *sdev;
+        struct of_device *op = to_of_device(&dev->dev);
 
-        if (fb_get_options("p9100fb", NULL))
-                return -ENODEV;
+        return p9100_init_one(op);
+}
 
-        for_all_sbusdev(sdev, sbus) {
-                if (!strcmp(sdev->prom_name, "p9100"))
-                        p9100_init_one(sdev);
-        }
+static int __devexit p9100_remove(struct of_device *dev)
+{
+        struct all_info *all = dev_get_drvdata(&dev->dev);
+
+        unregister_framebuffer(&all->info);
+        fb_dealloc_cmap(&all->info.cmap);
+
+        of_iounmap(all->par.regs, sizeof(struct p9100_regs));
+        of_iounmap(all->info.screen_base, all->par.fbsize);
+
+        kfree(all);
+
+        dev_set_drvdata(&dev->dev, NULL);
 
         return 0;
 }
 
-void __exit p9100_exit(void)
-{
-        struct list_head *pos, *tmp;
+static struct of_device_id p9100_match[] = {
+        {
+                .name = "p9100",
+        },
+        {},
+};
+MODULE_DEVICE_TABLE(of, p9100_match);
 
-        list_for_each_safe(pos, tmp, &p9100_list) {
-                struct all_info *all = list_entry(pos, typeof(*all), list);
+static struct of_platform_driver p9100_driver = {
+        .name           = "p9100",
+        .match_table    = p9100_match,
+        .probe          = p9100_probe,
+        .remove         = __devexit_p(p9100_remove),
+};
 
-                unregister_framebuffer(&all->info);
-                fb_dealloc_cmap(&all->info.cmap);
-                kfree(all);
-        }
+static int __init p9100_init(void)
+{
+        if (fb_get_options("p9100fb", NULL))
+                return -ENODEV;
+
+        return of_register_driver(&p9100_driver, &of_bus_type);
 }
 
-int __init
-p9100_setup(char *arg)
+static void __exit p9100_exit(void)
 {
-        /* No cmdline options yet... */
-        return 0;
+        of_unregister_driver(&p9100_driver);
 }
 
 module_init(p9100_init);
-
-#ifdef MODULE
 module_exit(p9100_exit);
-#endif
 
 MODULE_DESCRIPTION("framebuffer driver for P9100 chipsets");
-MODULE_AUTHOR("David S. Miller <davem@redhat.com>");
+MODULE_AUTHOR("David S. Miller <davem@davemloft.net>");
+MODULE_VERSION("2.0");
 MODULE_LICENSE("GPL");