235 static void picolcd_fb_update(struct fb_info *info)  in picolcd_fb_update()  argument
239 	struct picolcd_fb_data *fbdata = info->par;  in picolcd_fb_update()
242 	mutex_lock(&info->lock);  in picolcd_fb_update()
268 				mutex_unlock(&info->lock);  in picolcd_fb_update()
272 				mutex_lock(&info->lock);  in picolcd_fb_update()
287 		mutex_unlock(&info->lock);  in picolcd_fb_update()
293 	mutex_unlock(&info->lock);  in picolcd_fb_update()
297 static void picolcd_fb_fillrect(struct fb_info *info,  in picolcd_fb_fillrect()  argument
300 	if (!info->par)  in picolcd_fb_fillrect()
302 	sys_fillrect(info, rect);  in picolcd_fb_fillrect()
304 	schedule_delayed_work(&info->deferred_work, 0);  in picolcd_fb_fillrect()
308 static void picolcd_fb_copyarea(struct fb_info *info,  in picolcd_fb_copyarea()  argument
311 	if (!info->par)  in picolcd_fb_copyarea()
313 	sys_copyarea(info, area);  in picolcd_fb_copyarea()
315 	schedule_delayed_work(&info->deferred_work, 0);  in picolcd_fb_copyarea()
319 static void picolcd_fb_imageblit(struct fb_info *info, const struct fb_image *image)  in picolcd_fb_imageblit()  argument
321 	if (!info->par)  in picolcd_fb_imageblit()
323 	sys_imageblit(info, image);  in picolcd_fb_imageblit()
325 	schedule_delayed_work(&info->deferred_work, 0);  in picolcd_fb_imageblit()
332 static ssize_t picolcd_fb_write(struct fb_info *info, const char __user *buf,  in picolcd_fb_write()  argument
336 	if (!info->par)  in picolcd_fb_write()
338 	ret = fb_sys_write(info, buf, count, ppos);  in picolcd_fb_write()
340 		schedule_delayed_work(&info->deferred_work, 0);  in picolcd_fb_write()
344 static int picolcd_fb_blank(int blank, struct fb_info *info)  in picolcd_fb_blank()  argument
350 static void picolcd_fb_destroy(struct fb_info *info)  in picolcd_fb_destroy()  argument
352 	struct picolcd_fb_data *fbdata = info->par;  in picolcd_fb_destroy()
355 	fb_deferred_io_cleanup(info);  in picolcd_fb_destroy()
360 	vfree((u8 *)info->fix.smem_start);  in picolcd_fb_destroy()
361 	framebuffer_release(info);  in picolcd_fb_destroy()
364 static int picolcd_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)  in picolcd_fb_check_var()  argument
386 static int picolcd_set_par(struct fb_info *info)  in picolcd_set_par()  argument
388 	struct picolcd_fb_data *fbdata = info->par;  in picolcd_set_par()
390 	if (info->var.bits_per_pixel == fbdata->bpp)  in picolcd_set_par()
393 	if (info->var.bits_per_pixel != 1 && info->var.bits_per_pixel != 8)  in picolcd_set_par()
397 	tmp_fb = kmalloc(PICOLCDFB_SIZE*info->var.bits_per_pixel, GFP_KERNEL);  in picolcd_set_par()
402 	if (info->var.bits_per_pixel == 1) {  in picolcd_set_par()
413 		info->fix.visual = FB_VISUAL_MONO01;  in picolcd_set_par()
414 		info->fix.line_length = PICOLCDFB_WIDTH / 8;  in picolcd_set_par()
420 		info->fix.visual = FB_VISUAL_DIRECTCOLOR;  in picolcd_set_par()
421 		info->fix.line_length = PICOLCDFB_WIDTH;  in picolcd_set_par()
425 	fbdata->bpp = info->var.bits_per_pixel;  in picolcd_set_par()
445 static void picolcd_fb_deferred_io(struct fb_info *info, struct list_head *pagelist)  in picolcd_fb_deferred_io()  argument
447 	picolcd_fb_update(info);  in picolcd_fb_deferred_io()
511 	struct fb_info *info = NULL;  in picolcd_init_framebuffer()  local
520 	info = framebuffer_alloc(256 * sizeof(u32) +  in picolcd_init_framebuffer()
524 	if (info == NULL) {  in picolcd_init_framebuffer()
529 	info->fbdefio = info->par;  in picolcd_init_framebuffer()
530 	*info->fbdefio = picolcd_fb_defio;  in picolcd_init_framebuffer()
531 	info->par += sizeof(struct fb_deferred_io);  in picolcd_init_framebuffer()
532 	palette = info->par;  in picolcd_init_framebuffer()
533 	info->par += 256 * sizeof(u32);  in picolcd_init_framebuffer()
536 	info->pseudo_palette = palette;  in picolcd_init_framebuffer()
537 	info->fbops = &picolcdfb_ops;  in picolcd_init_framebuffer()
538 	info->var = picolcdfb_var;  in picolcd_init_framebuffer()
539 	info->fix = picolcdfb_fix;  in picolcd_init_framebuffer()
540 	info->fix.smem_len   = PICOLCDFB_SIZE*8;  in picolcd_init_framebuffer()
541 	info->flags = FBINFO_FLAG_DEFAULT;  in picolcd_init_framebuffer()
543 	fbdata = info->par;  in picolcd_init_framebuffer()
549 	fbdata->vbitmap = info->par + sizeof(struct picolcd_fb_data);  in picolcd_init_framebuffer()
555 	info->screen_base = (char __force __iomem *)fbdata->bitmap;  in picolcd_init_framebuffer()
556 	info->fix.smem_start = (unsigned long)fbdata->bitmap;  in picolcd_init_framebuffer()
558 	data->fb_info = info;  in picolcd_init_framebuffer()
572 	fb_deferred_io_init(info);  in picolcd_init_framebuffer()
573 	error = register_framebuffer(info);  in picolcd_init_framebuffer()
582 	fb_deferred_io_cleanup(info);  in picolcd_init_framebuffer()
589 	framebuffer_release(info);  in picolcd_init_framebuffer()
595 	struct fb_info *info = data->fb_info;  in picolcd_exit_framebuffer()  local
599 	if (!info)  in picolcd_exit_framebuffer()
603 	fbdata = info->par;  in picolcd_exit_framebuffer()
613 	flush_delayed_work(&info->deferred_work);  in picolcd_exit_framebuffer()
616 	unregister_framebuffer(info);  in picolcd_exit_framebuffer()