+static void fb_rotate_logo_ud(const u8 *in, u8 *out, u32 width, u32 height)
+{
+ u32 size = width * height, i;
+
+ out += size - 1;
+
+ for (i = size; i--; )
+ *out-- = *in++;
+}
+
+static void fb_rotate_logo_cw(const u8 *in, u8 *out, u32 width, u32 height)
+{
+ int i, j, w = width - 1;
+
+ for (i = 0; i < height; i++)
+ for (j = 0; j < width; j++)
+ out[height * j + w - i] = *in++;
+}
+
+static void fb_rotate_logo_ccw(const u8 *in, u8 *out, u32 width, u32 height)
+{
+ int i, j, w = width - 1;
+
+ for (i = 0; i < height; i++)
+ for (j = 0; j < width; j++)
+ out[height * (w - j) + i] = *in++;
+}
+
+static void fb_rotate_logo(struct fb_info *info, u8 *dst,
+ struct fb_image *image, int rotate)
+{
+ u32 tmp;
+
+ if (rotate == FB_ROTATE_UD) {
+ image->dx = info->var.xres - image->width;
+ image->dy = info->var.yres - image->height;
+ fb_rotate_logo_ud(image->data, dst, image->width,
+ image->height);
+ } else if (rotate == FB_ROTATE_CW) {
+ tmp = image->width;
+ image->width = image->height;
+ image->height = tmp;
+ image->dx = info->var.xres - image->height;
+ fb_rotate_logo_cw(image->data, dst, image->width,
+ image->height);
+ } else if (rotate == FB_ROTATE_CCW) {
+ tmp = image->width;
+ image->width = image->height;
+ image->height = tmp;
+ image->dy = info->var.yres - image->width;
+ fb_rotate_logo_ccw(image->data, dst, image->width,
+ image->height);
+ }
+
+ image->data = dst;
+}
+
+static void fb_do_show_logo(struct fb_info *info, struct fb_image *image,
+ int rotate)
+{
+ int x;
+
+ if (rotate == FB_ROTATE_UR) {
+ for (x = 0; x < num_online_cpus() &&
+ x * (fb_logo.logo->width + 8) <=
+ info->var.xres - fb_logo.logo->width; x++) {
+ info->fbops->fb_imageblit(info, image);
+ image->dx += fb_logo.logo->width + 8;
+ }
+ } else if (rotate == FB_ROTATE_UD) {
+ for (x = 0; x < num_online_cpus() &&
+ x * (fb_logo.logo->width + 8) <=
+ info->var.xres - fb_logo.logo->width; x++) {
+ info->fbops->fb_imageblit(info, image);
+ image->dx -= fb_logo.logo->width + 8;
+ }
+ } else if (rotate == FB_ROTATE_CW) {
+ for (x = 0; x < num_online_cpus() &&
+ x * (fb_logo.logo->width + 8) <=
+ info->var.yres - fb_logo.logo->width; x++) {
+ info->fbops->fb_imageblit(info, image);
+ image->dy += fb_logo.logo->width + 8;
+ }
+ } else if (rotate == FB_ROTATE_CCW) {
+ for (x = 0; x < num_online_cpus() &&
+ x * (fb_logo.logo->width + 8) <=
+ info->var.yres - fb_logo.logo->width; x++) {
+ info->fbops->fb_imageblit(info, image);
+ image->dy -= fb_logo.logo->width + 8;
+ }
+ }
+}
+
+int fb_prepare_logo(struct fb_info *info, int rotate)