Lines Matching refs:info
72 static void xenfb_send_event(struct xenfb_info *info, in xenfb_send_event() argument
77 prod = info->page->out_prod; in xenfb_send_event()
80 XENFB_OUT_RING_REF(info->page, prod) = *event; in xenfb_send_event()
82 info->page->out_prod = prod + 1; in xenfb_send_event()
84 notify_remote_via_irq(info->irq); in xenfb_send_event()
87 static void xenfb_do_update(struct xenfb_info *info, in xenfb_do_update() argument
100 xenfb_send_event(info, &event); in xenfb_do_update()
103 static void xenfb_do_resize(struct xenfb_info *info) in xenfb_do_resize() argument
108 event.resize = info->resize; in xenfb_do_resize()
111 xenfb_send_event(info, &event); in xenfb_do_resize()
114 static int xenfb_queue_full(struct xenfb_info *info) in xenfb_queue_full() argument
118 prod = info->page->out_prod; in xenfb_queue_full()
119 cons = info->page->out_cons; in xenfb_queue_full()
123 static void xenfb_handle_resize_dpy(struct xenfb_info *info) in xenfb_handle_resize_dpy() argument
127 spin_lock_irqsave(&info->resize_lock, flags); in xenfb_handle_resize_dpy()
128 if (info->resize_dpy) { in xenfb_handle_resize_dpy()
129 if (!xenfb_queue_full(info)) { in xenfb_handle_resize_dpy()
130 info->resize_dpy = 0; in xenfb_handle_resize_dpy()
131 xenfb_do_resize(info); in xenfb_handle_resize_dpy()
134 spin_unlock_irqrestore(&info->resize_lock, flags); in xenfb_handle_resize_dpy()
137 static void xenfb_refresh(struct xenfb_info *info, in xenfb_refresh() argument
144 xenfb_handle_resize_dpy(info); in xenfb_refresh()
146 if (!info->update_wanted) in xenfb_refresh()
149 spin_lock_irqsave(&info->dirty_lock, flags); in xenfb_refresh()
152 if (info->y1 < y1) in xenfb_refresh()
153 y1 = info->y1; in xenfb_refresh()
154 if (info->y2 > y2) in xenfb_refresh()
155 y2 = info->y2; in xenfb_refresh()
156 if (info->x1 < x1) in xenfb_refresh()
157 x1 = info->x1; in xenfb_refresh()
158 if (info->x2 > x2) in xenfb_refresh()
159 x2 = info->x2; in xenfb_refresh()
161 if (xenfb_queue_full(info)) { in xenfb_refresh()
163 info->x1 = x1; in xenfb_refresh()
164 info->x2 = x2; in xenfb_refresh()
165 info->y1 = y1; in xenfb_refresh()
166 info->y2 = y2; in xenfb_refresh()
167 spin_unlock_irqrestore(&info->dirty_lock, flags); in xenfb_refresh()
172 info->x1 = info->y1 = INT_MAX; in xenfb_refresh()
173 info->x2 = info->y2 = 0; in xenfb_refresh()
175 spin_unlock_irqrestore(&info->dirty_lock, flags); in xenfb_refresh()
178 xenfb_do_update(info, x1, y1, x2 - x1 + 1, y2 - y1 + 1); in xenfb_refresh()
184 struct xenfb_info *info = fb_info->par; in xenfb_deferred_io() local
203 xenfb_refresh(info, 0, miny, fb_info->var.xres, maxy - miny + 1); in xenfb_deferred_io()
213 struct fb_info *info) in xenfb_setcolreg() argument
217 if (regno > info->cmap.len) in xenfb_setcolreg()
221 red = CNVT_TOHW(red, info->var.red.length); in xenfb_setcolreg()
222 green = CNVT_TOHW(green, info->var.green.length); in xenfb_setcolreg()
223 blue = CNVT_TOHW(blue, info->var.blue.length); in xenfb_setcolreg()
224 transp = CNVT_TOHW(transp, info->var.transp.length); in xenfb_setcolreg()
227 v = (red << info->var.red.offset) | in xenfb_setcolreg()
228 (green << info->var.green.offset) | in xenfb_setcolreg()
229 (blue << info->var.blue.offset); in xenfb_setcolreg()
231 switch (info->var.bits_per_pixel) { in xenfb_setcolreg()
235 ((u32 *)info->pseudo_palette)[regno] = v; in xenfb_setcolreg()
244 struct xenfb_info *info = p->par; in xenfb_fillrect() local
247 xenfb_refresh(info, rect->dx, rect->dy, rect->width, rect->height); in xenfb_fillrect()
252 struct xenfb_info *info = p->par; in xenfb_imageblit() local
255 xenfb_refresh(info, image->dx, image->dy, image->width, image->height); in xenfb_imageblit()
260 struct xenfb_info *info = p->par; in xenfb_copyarea() local
263 xenfb_refresh(info, area->dx, area->dy, area->width, area->height); in xenfb_copyarea()
269 struct xenfb_info *info = p->par; in xenfb_write() local
273 xenfb_refresh(info, 0, 0, info->page->width, info->page->height); in xenfb_write()
278 xenfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) in xenfb_check_var() argument
283 xenfb_info = info->par; in xenfb_check_var()
300 var->xres <= info->fix.line_length / (XENFB_DEPTH / 8) && in xenfb_check_var()
301 required_mem_len <= info->fix.smem_len) { in xenfb_check_var()
309 static int xenfb_set_par(struct fb_info *info) in xenfb_set_par() argument
314 xenfb_info = info->par; in xenfb_set_par()
318 xenfb_info->resize.width = info->var.xres; in xenfb_set_par()
319 xenfb_info->resize.height = info->var.yres; in xenfb_set_par()
320 xenfb_info->resize.stride = info->fix.line_length; in xenfb_set_par()
321 xenfb_info->resize.depth = info->var.bits_per_pixel; in xenfb_set_par()
347 struct xenfb_info *info = dev_id; in xenfb_event_handler() local
348 struct xenfb_page *page = info->page; in xenfb_event_handler()
351 info->page->in_cons = info->page->in_prod; in xenfb_event_handler()
352 notify_remote_via_irq(info->irq); in xenfb_event_handler()
356 xenfb_refresh(info, INT_MAX, INT_MAX, -INT_MAX, -INT_MAX); in xenfb_event_handler()
364 struct xenfb_info *info; in xenfb_probe() local
370 info = kzalloc(sizeof(*info), GFP_KERNEL); in xenfb_probe()
371 if (info == NULL) { in xenfb_probe()
391 dev_set_drvdata(&dev->dev, info); in xenfb_probe()
392 info->xbdev = dev; in xenfb_probe()
393 info->irq = -1; in xenfb_probe()
394 info->x1 = info->y1 = INT_MAX; in xenfb_probe()
395 spin_lock_init(&info->dirty_lock); in xenfb_probe()
396 spin_lock_init(&info->resize_lock); in xenfb_probe()
398 info->fb = vzalloc(fb_size); in xenfb_probe()
399 if (info->fb == NULL) in xenfb_probe()
402 info->nr_pages = (fb_size + PAGE_SIZE - 1) >> PAGE_SHIFT; in xenfb_probe()
404 info->mfns = vmalloc(sizeof(unsigned long) * info->nr_pages); in xenfb_probe()
405 if (!info->mfns) in xenfb_probe()
409 info->page = (void *)__get_free_page(GFP_KERNEL | __GFP_ZERO); in xenfb_probe()
410 if (!info->page) in xenfb_probe()
420 fb_info->par = info; in xenfb_probe()
422 fb_info->screen_base = info->fb; in xenfb_probe()
458 xenfb_init_shared_page(info, fb_info); in xenfb_probe()
460 ret = xenfb_connect_backend(dev, info); in xenfb_probe()
472 info->fb_info = fb_info; in xenfb_probe()
509 struct xenfb_info *info = dev_get_drvdata(&dev->dev); in xenfb_resume() local
511 xenfb_disconnect_backend(info); in xenfb_resume()
512 xenfb_init_shared_page(info, info->fb_info); in xenfb_resume()
513 return xenfb_connect_backend(dev, info); in xenfb_resume()
518 struct xenfb_info *info = dev_get_drvdata(&dev->dev); in xenfb_remove() local
520 xenfb_disconnect_backend(info); in xenfb_remove()
521 if (info->fb_info) { in xenfb_remove()
522 fb_deferred_io_cleanup(info->fb_info); in xenfb_remove()
523 unregister_framebuffer(info->fb_info); in xenfb_remove()
524 fb_dealloc_cmap(&info->fb_info->cmap); in xenfb_remove()
525 framebuffer_release(info->fb_info); in xenfb_remove()
527 free_page((unsigned long)info->page); in xenfb_remove()
528 vfree(info->mfns); in xenfb_remove()
529 vfree(info->fb); in xenfb_remove()
530 kfree(info); in xenfb_remove()
540 static void xenfb_init_shared_page(struct xenfb_info *info, in xenfb_init_shared_page() argument
544 int epd = PAGE_SIZE / sizeof(info->mfns[0]); in xenfb_init_shared_page()
546 for (i = 0; i < info->nr_pages; i++) in xenfb_init_shared_page()
547 info->mfns[i] = vmalloc_to_mfn(info->fb + i * PAGE_SIZE); in xenfb_init_shared_page()
549 for (i = 0; i * epd < info->nr_pages; i++) in xenfb_init_shared_page()
550 info->page->pd[i] = vmalloc_to_mfn(&info->mfns[i * epd]); in xenfb_init_shared_page()
552 info->page->width = fb_info->var.xres; in xenfb_init_shared_page()
553 info->page->height = fb_info->var.yres; in xenfb_init_shared_page()
554 info->page->depth = fb_info->var.bits_per_pixel; in xenfb_init_shared_page()
555 info->page->line_length = fb_info->fix.line_length; in xenfb_init_shared_page()
556 info->page->mem_length = fb_info->fix.smem_len; in xenfb_init_shared_page()
557 info->page->in_cons = info->page->in_prod = 0; in xenfb_init_shared_page()
558 info->page->out_cons = info->page->out_prod = 0; in xenfb_init_shared_page()
562 struct xenfb_info *info) in xenfb_connect_backend() argument
571 0, dev->devicetype, info); in xenfb_connect_backend()
584 virt_to_mfn(info->page)); in xenfb_connect_backend()
607 info->irq = irq; in xenfb_connect_backend()
614 unbind_from_irqhandler(irq, info); in xenfb_connect_backend()
618 static void xenfb_disconnect_backend(struct xenfb_info *info) in xenfb_disconnect_backend() argument
621 info->update_wanted = 0; in xenfb_disconnect_backend()
622 if (info->irq >= 0) in xenfb_disconnect_backend()
623 unbind_from_irqhandler(info->irq, info); in xenfb_disconnect_backend()
624 info->irq = -1; in xenfb_disconnect_backend()
630 struct xenfb_info *info = dev_get_drvdata(&dev->dev); in xenfb_backend_changed() local
656 if (xenbus_scanf(XBT_NIL, info->xbdev->otherend, in xenfb_backend_changed()
660 info->update_wanted = 1; in xenfb_backend_changed()
665 info->feature_resize = val; in xenfb_backend_changed()