update to 2.6.9-rc1
[linux-flexiantxendom0-3.2.10.git] / drivers / video / fbmem.c
index 676540b..5a29469 100644 (file)
@@ -56,6 +56,7 @@
 
 extern int acornfb_init(void);
 extern int acornfb_setup(char*);
+extern int amba_clcdfb_init(void);
 extern int amifb_init(void);
 extern int amifb_setup(char*);
 extern int atafb_init(void);
@@ -198,6 +199,9 @@ static struct {
 #ifdef CONFIG_FB_CYBER2000
        { "cyber2000fb", cyber2000fb_init, cyber2000fb_setup },
 #endif
+#ifdef CONFIG_FB_ARMCLCD
+       { "ambaclcdfb", amba_clcdfb_init, NULL },
+#endif
 #ifdef CONFIG_FB_PM2
        { "pm2fb", pm2fb_init, pm2fb_setup },
 #endif
@@ -428,6 +432,25 @@ static int ofonly __initdata = 0;
 #endif
 
 /*
+ * Helpers
+ */
+
+int fb_get_color_depth(struct fb_info *info)
+{
+       struct fb_var_screeninfo *var = &info->var;
+
+       if (var->green.length == var->blue.length &&
+           var->green.length == var->red.length &&
+           !var->green.offset && !var->blue.offset &&
+           !var->red.offset)
+               return var->green.length;
+       else
+               return (var->green.length + var->red.length +
+                       var->blue.length);
+}
+EXPORT_SYMBOL(fb_get_color_depth);
+
+/*
  * Drawing helpers.
  */
 void fb_iomove_buf_aligned(struct fb_info *info, struct fb_pixmap *buf,
@@ -646,9 +669,12 @@ static void fb_set_logo(struct fb_info *info,
                               const struct linux_logo *logo, u8 *dst,
                               int depth)
 {
-       int i, j, shift;
+       int i, j, k, fg = 1;
        const u8 *src = logo->data;
-       u8 d, xor = 0;
+       u8 d, xor = (info->fix.visual == FB_VISUAL_MONO01) ? 0xff : 0;
+
+       if (fb_get_color_depth(info) == 3)
+               fg = 7;
 
        switch (depth) {
        case 4:
@@ -662,17 +688,14 @@ static void fb_set_logo(struct fb_info *info,
                                }
                        }
                break;
-       case ~1:
-               xor = 0xff;
        case 1:
                for (i = 0; i < logo->height; i++) {
-                       shift = 7;
-                       d = *src++ ^ xor;
-                       for (j = 0; j < logo->width; j++) {
-                               *dst++ = (d >> shift) & 1;
-                               shift = (shift-1) & 7;
-                               if (shift == 7)
-                                       d = *src++ ^ xor;
+                       for (j = 0; j < logo->width; src++) {
+                               d = *src ^ xor;
+                               for (k = 7; k >= 0; k--) {
+                                       *dst++ = ((d >> k) & 1) ? fg : 0;
+                                       j++;
+                               }
                        }
                }
                break;
@@ -715,26 +738,35 @@ static struct logo_data {
 
 int fb_prepare_logo(struct fb_info *info)
 {
+       int depth = fb_get_color_depth(info);
+
        memset(&fb_logo, 0, sizeof(struct logo_data));
 
-       switch (info->fix.visual) {
-       case FB_VISUAL_TRUECOLOR:
-               if (info->var.bits_per_pixel >= 8)
+       if (info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
+               depth = info->var.blue.length;
+               if (info->var.red.length < depth)
+                       depth = info->var.red.length;
+               if (info->var.green.length < depth)
+                       depth = info->var.green.length;
+       }
+
+       if (depth >= 8) {
+               switch (info->fix.visual) {
+               case FB_VISUAL_TRUECOLOR:
                        fb_logo.needs_truepalette = 1;
-               break;
-       case FB_VISUAL_DIRECTCOLOR:
-               if (info->var.bits_per_pixel >= 24) {
+                       break;
+               case FB_VISUAL_DIRECTCOLOR:
                        fb_logo.needs_directpalette = 1;
                        fb_logo.needs_cmapreset = 1;
+                       break;
+               case FB_VISUAL_PSEUDOCOLOR:
+                       fb_logo.needs_cmapreset = 1;
+                       break;
                }
-               break;
-       case FB_VISUAL_PSEUDOCOLOR:
-               fb_logo.needs_cmapreset = 1;
-               break;
        }
 
        /* Return if no suitable logo was found */
-       fb_logo.logo = fb_find_logo(info->var.bits_per_pixel);
+       fb_logo.logo = fb_find_logo(depth);
        
        if (!fb_logo.logo || fb_logo.logo->height > info->var.yres) {
                fb_logo.logo = NULL;
@@ -761,7 +793,7 @@ int fb_show_logo(struct fb_info *info)
        if (fb_logo.logo == NULL || info->state != FBINFO_STATE_RUNNING)
                return 0;
 
-       image.depth = fb_logo.depth;
+       image.depth = 8;
        image.data = fb_logo.logo->data;
 
        if (fb_logo.needs_cmapreset)
@@ -782,7 +814,7 @@ int fb_show_logo(struct fb_info *info)
                info->pseudo_palette = palette;
        }
 
-       if (fb_logo.depth == 4) {
+       if (fb_logo.depth <= 4) {
                logo_new = kmalloc(fb_logo.logo->width * fb_logo.logo->height, 
                                   GFP_KERNEL);
                if (logo_new == NULL) {
@@ -949,13 +981,14 @@ fb_cursor(struct fb_info *info, struct fb_cursor_user __user *sprite)
        if (copy_from_user(&cursor_user, sprite, sizeof(struct fb_cursor_user)))
                return -EFAULT;
 
-       memcpy(&cursor, &cursor_user, sizeof(cursor));
+       memcpy(&cursor, &cursor_user, sizeof(cursor_user));
        cursor.mask = NULL;
        cursor.image.data = NULL;
        cursor.image.cmap.red = NULL;
        cursor.image.cmap.green = NULL;
        cursor.image.cmap.blue = NULL;
        cursor.image.cmap.transp = NULL;
+       cursor.data = NULL;
 
        if (cursor.set & FB_CUR_SETCUR)
                info->cursor.enable = 1;
@@ -1055,6 +1088,30 @@ fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var)
 {
        int err;
 
+       if (var->activate & FB_ACTIVATE_INV_MODE) {
+               struct fb_videomode mode1, mode2;
+               int ret = 0;
+
+               fb_var_to_videomode(&mode1, var);
+               fb_var_to_videomode(&mode2, &info->var);
+               /* make sure we don't delete the videomode of current var */
+               ret = fb_mode_is_equal(&mode1, &mode2);
+
+               if (!ret) {
+                   struct fb_event event;
+
+                   event.info = info;
+                   event.data = &mode1;
+                   ret = notifier_call_chain(&fb_notifier_list,
+                                             FB_EVENT_MODE_DELETE, &event);
+               }
+
+               if (!ret)
+                   fb_delete_videomode(&mode1, &info->monspecs.modelist);
+
+               return ret;
+       }
+
        if ((var->activate & FB_ACTIVATE_FORCE) ||
            memcmp(&info->var, var, sizeof(struct fb_var_screeninfo))) {
                if (!info->fbops->fb_check_var) {
@@ -1066,6 +1123,7 @@ fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var)
                        return err;
 
                if ((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_NOW) {
+                       struct fb_videomode mode;
                        info->var = *var;
 
                        if (info->fbops->fb_set_par)
@@ -1075,10 +1133,16 @@ fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var)
 
                        fb_set_cmap(&info->cmap, info);
 
+                       fb_var_to_videomode(&mode, &info->var);
+                       fb_add_videomode(&mode, &info->monspecs.modelist);
+
                        if (info->flags & FBINFO_MISC_MODECHANGEUSER) {
+                               struct fb_event event;
+
                                info->flags &= ~FBINFO_MISC_MODECHANGEUSER;
+                               event.info = info;
                                notifier_call_chain(&fb_notifier_list,
-                                                   FB_EVENT_MODE_CHANGE, info);
+                                                   FB_EVENT_MODE_CHANGE, &event);
                        }
                }
        }
@@ -1293,11 +1357,9 @@ fb_mmap(struct file *file, struct vm_area_struct * vma)
 #else
 #warning What do we have to do here??
 #endif
-#ifndef CONFIG_USERMODE
        if (io_remap_page_range(vma, vma->vm_start, off,
                             vma->vm_end - vma->vm_start, vma->vm_page_prot))
                return -EAGAIN;
-#endif
 #endif /* !__sparc_v9__ */
        return 0;
 #endif /* !sparc32 */
@@ -1412,6 +1474,16 @@ register_framebuffer(struct fb_info *fb_info)
        }
        fb_info->sprite.offset = 0;
 
+       if (!fb_info->monspecs.modelist.prev ||
+           !fb_info->monspecs.modelist.next ||
+           list_empty(&fb_info->monspecs.modelist)) {
+               struct fb_videomode mode;
+
+               INIT_LIST_HEAD(&fb_info->monspecs.modelist);
+               fb_var_to_videomode(&mode, &fb_info->var);
+               fb_add_videomode(&mode, &fb_info->monspecs.modelist);
+       }
+
        registered_fb[i] = fb_info;
 
        devfs_mk_cdev(MKDEV(FB_MAJOR, i),
@@ -1444,6 +1516,7 @@ unregister_framebuffer(struct fb_info *fb_info)
                kfree(fb_info->pixmap.addr);
        if (fb_info->sprite.addr && (fb_info->sprite.flags & FB_PIXMAP_DEFAULT))
                kfree(fb_info->sprite.addr);
+       fb_destroy_modelist(&fb_info->monspecs.modelist);
        registered_fb[i]=NULL;
        num_registered_fb--;
        class_simple_device_remove(MKDEV(FB_MAJOR, i));
@@ -1479,12 +1552,15 @@ int fb_unregister_client(struct notifier_block *nb)
  */
 void fb_set_suspend(struct fb_info *info, int state)
 {
+       struct fb_event event;
+
+       event.info = info;
        if (state) {
-               notifier_call_chain(&fb_notifier_list, FB_EVENT_SUSPEND, info);
+               notifier_call_chain(&fb_notifier_list, FB_EVENT_SUSPEND, &event);
                info->state = FBINFO_STATE_SUSPENDED;
        } else {
                info->state = FBINFO_STATE_RUNNING;
-               notifier_call_chain(&fb_notifier_list, FB_EVENT_RESUME, info);
+               notifier_call_chain(&fb_notifier_list, FB_EVENT_RESUME, &event);
        }
 }