124 			 struct fb_info *info);
125 static int vfb_set_par(struct fb_info *info);
127 			 u_int transp, struct fb_info *info);
129 			   struct fb_info *info);
130 static int vfb_mmap(struct fb_info *info,
169 			 struct fb_info *info)  in vfb_check_var()  argument
180 		var->xoffset = info->var.xoffset;  in vfb_check_var()
181 		var->yoffset = info->var.yoffset;  in vfb_check_var()
292 static int vfb_set_par(struct fb_info *info)  in vfb_set_par()  argument
294 	info->fix.line_length = get_line_length(info->var.xres_virtual,  in vfb_set_par()
295 						info->var.bits_per_pixel);  in vfb_set_par()
306 			 u_int transp, struct fb_info *info)  in vfb_setcolreg()  argument
315 	if (info->var.grayscale) {  in vfb_setcolreg()
346 	switch (info->fix.visual) {  in vfb_setcolreg()
349 		red = CNVT_TOHW(red, info->var.red.length);  in vfb_setcolreg()
350 		green = CNVT_TOHW(green, info->var.green.length);  in vfb_setcolreg()
351 		blue = CNVT_TOHW(blue, info->var.blue.length);  in vfb_setcolreg()
352 		transp = CNVT_TOHW(transp, info->var.transp.length);  in vfb_setcolreg()
364 	if (info->fix.visual == FB_VISUAL_TRUECOLOR) {  in vfb_setcolreg()
370 		v = (red << info->var.red.offset) |  in vfb_setcolreg()
371 		    (green << info->var.green.offset) |  in vfb_setcolreg()
372 		    (blue << info->var.blue.offset) |  in vfb_setcolreg()
373 		    (transp << info->var.transp.offset);  in vfb_setcolreg()
374 		switch (info->var.bits_per_pixel) {  in vfb_setcolreg()
378 			((u32 *) (info->pseudo_palette))[regno] = v;  in vfb_setcolreg()
382 			((u32 *) (info->pseudo_palette))[regno] = v;  in vfb_setcolreg()
397 			   struct fb_info *info)  in vfb_pan_display()  argument
400 		if (var->yoffset >= info->var.yres_virtual ||  in vfb_pan_display()
404 		if (var->xoffset + info->var.xres > info->var.xres_virtual ||  in vfb_pan_display()
405 		    var->yoffset + info->var.yres > info->var.yres_virtual)  in vfb_pan_display()
408 	info->var.xoffset = var->xoffset;  in vfb_pan_display()
409 	info->var.yoffset = var->yoffset;  in vfb_pan_display()
411 		info->var.vmode |= FB_VMODE_YWRAP;  in vfb_pan_display()
413 		info->var.vmode &= ~FB_VMODE_YWRAP;  in vfb_pan_display()
421 static int vfb_mmap(struct fb_info *info,  in vfb_mmap()  argument
431 	if (size > info->fix.smem_len)  in vfb_mmap()
433 	if (offset > info->fix.smem_len - size)  in vfb_mmap()
436 	pos = (unsigned long)info->fix.smem_start + offset;  in vfb_mmap()
491 	struct fb_info *info;  in vfb_probe()  local
500 	info = framebuffer_alloc(sizeof(u32) * 256, &dev->dev);  in vfb_probe()
501 	if (!info)  in vfb_probe()
504 	info->screen_base = (char __iomem *)videomemory;  in vfb_probe()
505 	info->fbops = &vfb_ops;  in vfb_probe()
507 	retval = fb_find_mode(&info->var, info, NULL,  in vfb_probe()
511 		info->var = vfb_default;  in vfb_probe()
514 	info->fix = vfb_fix;  in vfb_probe()
515 	info->pseudo_palette = info->par;  in vfb_probe()
516 	info->par = NULL;  in vfb_probe()
517 	info->flags = FBINFO_FLAG_DEFAULT;  in vfb_probe()
519 	retval = fb_alloc_cmap(&info->cmap, 256, 0);  in vfb_probe()
523 	retval = register_framebuffer(info);  in vfb_probe()
526 	platform_set_drvdata(dev, info);  in vfb_probe()
528 	fb_info(info, "Virtual frame buffer device, using %ldK of video memory\n",  in vfb_probe()
532 	fb_dealloc_cmap(&info->cmap);  in vfb_probe()
534 	framebuffer_release(info);  in vfb_probe()
542 	struct fb_info *info = platform_get_drvdata(dev);  in vfb_remove()  local
544 	if (info) {  in vfb_remove()
545 		unregister_framebuffer(info);  in vfb_remove()
547 		fb_dealloc_cmap(&info->cmap);  in vfb_remove()
548 		framebuffer_release(info);  in vfb_remove()