fbdev: LCD backlight driver using Atmel PWM driver

[safe/jmp/linux-2.6] / drivers / video / gbefb.c

diff --git a/drivers/video/gbefb.c b/drivers/video/gbefb.c
index ed853be..2e552d5 100644 (file)
--- a/drivers/video/gbefb.c
+++ b/drivers/video/gbefb.c
@@ -9,7 +9,6 @@
  *  more details.
  */
 
-#include <linux/config.h>
 #include <linux/delay.h>
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
@@ -87,7 +86,7 @@ static int gbe_revision;
 
 static int ypan, ywrap;
 
-static uint32_t pseudo_palette[256];
+static uint32_t pseudo_palette[16];
 
 static char *mode_option __initdata = NULL;
 
@@ -184,8 +183,8 @@ static struct fb_videomode default_mode_LCD __initdata = {
        .vmode          = FB_VMODE_NONINTERLACED,
 };
 
-struct fb_videomode *default_mode = &default_mode_CRT;
-struct fb_var_screeninfo *default_var = &default_var_CRT;
+struct fb_videomode *default_mode __initdata = &default_mode_CRT;
+struct fb_var_screeninfo *default_var __initdata = &default_var_CRT;
 
 static int flat_panel_enabled = 0;
 
@@ -656,12 +655,15 @@ static int gbefb_set_par(struct fb_info *info)
        switch (bytesPerPixel) {
        case 1:
                SET_GBE_FIELD(WID, TYP, val, GBE_CMODE_I8);
+               info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
                break;
        case 2:
                SET_GBE_FIELD(WID, TYP, val, GBE_CMODE_ARGB5);
+               info->fix.visual = FB_VISUAL_TRUECOLOR;
                break;
        case 4:
                SET_GBE_FIELD(WID, TYP, val, GBE_CMODE_RGB8);
+               info->fix.visual = FB_VISUAL_TRUECOLOR;
                break;
        }
        SET_GBE_FIELD(WID, BUF, val, GBE_BMODE_BOTH);
@@ -852,8 +854,7 @@ static int gbefb_setcolreg(unsigned regno, unsigned red, unsigned green,
        green >>= 8;
        blue >>= 8;
 
-       switch (info->var.bits_per_pixel) {
-       case 8:
+       if (info->var.bits_per_pixel <= 8) {
                /* wait for the color map FIFO to have a free entry */
                for (i = 0; i < 1000 && gbe->cm_fifo >= 63; i++)
                        udelay(10);
@@ -862,23 +863,25 @@ static int gbefb_setcolreg(unsigned regno, unsigned red, unsigned green,
                        return 1;
                }
                gbe->cmap[regno] = (red << 24) | (green << 16) | (blue << 8);
-               break;
-       case 15:
-       case 16:
-               red >>= 3;
-               green >>= 3;
-               blue >>= 3;
-               pseudo_palette[regno] =
-                       (red << info->var.red.offset) |
-                       (green << info->var.green.offset) |
-                       (blue << info->var.blue.offset);
-               break;
-       case 32:
-               pseudo_palette[regno] =
-                       (red << info->var.red.offset) |
-                       (green << info->var.green.offset) |
-                       (blue << info->var.blue.offset);
-               break;
+       } else if (regno < 16) {
+               switch (info->var.bits_per_pixel) {
+               case 15:
+               case 16:
+                       red >>= 3;
+                       green >>= 3;
+                       blue >>= 3;
+                       pseudo_palette[regno] =
+                               (red << info->var.red.offset) |
+                               (green << info->var.green.offset) |
+                               (blue << info->var.blue.offset);
+                       break;
+               case 32:
+                       pseudo_palette[regno] =
+                               (red << info->var.red.offset) |
+                               (green << info->var.green.offset) |
+                               (blue << info->var.blue.offset);
+                       break;
+               }
        }
 
        return 0;
@@ -979,7 +982,7 @@ static int gbefb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
        return 0;
 }
 
-static int gbefb_mmap(struct fb_info *info, struct file *file,
+static int gbefb_mmap(struct fb_info *info,
                        struct vm_area_struct *vma)
 {
        unsigned long size = vma->vm_end - vma->vm_start;
@@ -1000,7 +1003,6 @@ static int gbefb_mmap(struct fb_info *info, struct file *file,
                pgprot_fb(pgprot_val(vma->vm_page_prot));
 
        vma->vm_flags |= VM_IO | VM_RESERVED;
-       vma->vm_file = file;
 
        /* look for the starting tile */
        tile = &gbe_tiles.cpu[offset >> TILE_SHIFT];
@@ -1038,7 +1040,6 @@ static struct fb_ops gbefb_ops = {
        .fb_fillrect    = cfb_fillrect,
        .fb_copyarea    = cfb_copyarea,
        .fb_imageblit   = cfb_imageblit,
-       .fb_cursor      = soft_cursor,
 };
 
 /*
@@ -1106,12 +1107,11 @@ int __init gbefb_setup(char *options)
        return 0;
 }
 
-static int __init gbefb_probe(struct device *dev)
+static int __init gbefb_probe(struct platform_device *p_dev)
 {
        int i, ret = 0;
        struct fb_info *info;
        struct gbefb_par *par;
-       struct platform_device *p_dev = to_platform_device(dev);
 #ifndef MODULE
        char *options = NULL;
 #endif
@@ -1205,8 +1205,8 @@ static int __init gbefb_probe(struct device *dev)
                goto out_gbe_unmap;
        }
 
-       dev_set_drvdata(&p_dev->dev, info);
-       gbefb_create_sysfs(dev);
+       platform_set_drvdata(p_dev, info);
+       gbefb_create_sysfs(&p_dev->dev);
 
        printk(KERN_INFO "fb%d: %s rev %d @ 0x%08x using %dkB memory\n",
               info->node, info->fix.id, gbe_revision, (unsigned) GBE_BASE,
@@ -1232,10 +1232,9 @@ out_release_framebuffer:
        return ret;
 }
 
-static int __devexit gbefb_remove(struct device* dev)
+static int __devexit gbefb_remove(struct platform_device* p_dev)
 {
-       struct platform_device *p_dev = to_platform_device(dev);
-       struct fb_info *info = dev_get_drvdata(&p_dev->dev);
+       struct fb_info *info = platform_get_drvdata(p_dev);
 
        unregister_framebuffer(info);
        gbe_turn_off();
@@ -1247,24 +1246,25 @@ static int __devexit gbefb_remove(struct device* dev)
                          (void *)gbe_tiles.cpu, gbe_tiles.dma);
        release_mem_region(GBE_BASE, sizeof(struct sgi_gbe));
        iounmap(gbe);
-       gbefb_remove_sysfs(dev);
+       gbefb_remove_sysfs(&p_dev->dev);
        framebuffer_release(info);
 
        return 0;
 }
 
-static struct device_driver gbefb_driver = {
-       .name = "gbefb",
-       .bus = &platform_bus_type,
+static struct platform_driver gbefb_driver = {
        .probe = gbefb_probe,
        .remove = __devexit_p(gbefb_remove),
+       .driver = {
+               .name = "gbefb",
+       },
 };
 
 static struct platform_device *gbefb_device;
 
 int __init gbefb_init(void)
 {
-       int ret = driver_register(&gbefb_driver);
+       int ret = platform_driver_register(&gbefb_driver);
        if (!ret) {
                gbefb_device = platform_device_alloc("gbefb", 0);
                if (gbefb_device) {
@@ -1274,7 +1274,7 @@ int __init gbefb_init(void)
                }
                if (ret) {
                        platform_device_put(gbefb_device);
-                       driver_unregister(&gbefb_driver);
+                       platform_driver_unregister(&gbefb_driver);
                }
        }
        return ret;
@@ -1283,7 +1283,7 @@ int __init gbefb_init(void)
 void __exit gbefb_exit(void)
 {
        platform_device_unregister(gbefb_device);
-       driver_unregister(&gbefb_driver);
+       platform_driver_unregister(&gbefb_driver);
 }
 
 module_init(gbefb_init);