Lines Matching refs:dlfb
79 static int dlfb_realloc_framebuffer(struct dlfb_data *dlfb, struct fb_info *info, u32 new_len);
83 static struct urb *dlfb_get_urb(struct dlfb_data *dlfb);
84 static int dlfb_submit_urb(struct dlfb_data *dlfb, struct urb * urb, size_t len);
85 static int dlfb_alloc_urb_list(struct dlfb_data *dlfb, int count, size_t size);
86 static void dlfb_free_urb_list(struct dlfb_data *dlfb);
281 static int dlfb_set_video_mode(struct dlfb_data *dlfb, in dlfb_set_video_mode() argument
290 if (!atomic_read(&dlfb->usb_active)) in dlfb_set_video_mode()
293 urb = dlfb_get_urb(dlfb); in dlfb_set_video_mode()
309 wrptr = dlfb_set_base8bpp(wrptr, dlfb->info->fix.smem_len); in dlfb_set_video_mode()
317 retval = dlfb_submit_urb(dlfb, urb, writesize); in dlfb_set_video_mode()
319 dlfb->blank_mode = FB_BLANK_UNBLANK; in dlfb_set_video_mode()
540 static int dlfb_render_hline(struct dlfb_data *dlfb, struct urb **urb_ptr, in dlfb_render_hline() argument
546 u32 dev_addr = dlfb->base16 + byte_offset; in dlfb_render_hline()
556 if (dlfb->backing_buffer) { in dlfb_render_hline()
558 const u8 *back_start = (u8 *) (dlfb->backing_buffer in dlfb_render_hline()
582 if (dlfb_submit_urb(dlfb, urb, len)) in dlfb_render_hline()
585 urb = dlfb_get_urb(dlfb); in dlfb_render_hline()
599 static int dlfb_handle_damage(struct dlfb_data *dlfb, int x, int y, int width, int height) in dlfb_handle_damage() argument
611 mutex_lock(&dlfb->render_mutex); in dlfb_handle_damage()
618 (x + width > dlfb->info->var.xres) || in dlfb_handle_damage()
619 (y + height > dlfb->info->var.yres)) { in dlfb_handle_damage()
624 if (!atomic_read(&dlfb->usb_active)) { in dlfb_handle_damage()
629 urb = dlfb_get_urb(dlfb); in dlfb_handle_damage()
637 const int line_offset = dlfb->info->fix.line_length * i; in dlfb_handle_damage()
640 if (dlfb_render_hline(dlfb, &urb, in dlfb_handle_damage()
641 (char *) dlfb->info->fix.smem_start, in dlfb_handle_damage()
653 dlfb_submit_urb(dlfb, urb, len); in dlfb_handle_damage()
659 atomic_add(bytes_sent, &dlfb->bytes_sent); in dlfb_handle_damage()
660 atomic_add(bytes_identical, &dlfb->bytes_identical); in dlfb_handle_damage()
661 atomic_add(width*height*2, &dlfb->bytes_rendered); in dlfb_handle_damage()
665 &dlfb->cpu_kcycles_used); in dlfb_handle_damage()
670 mutex_unlock(&dlfb->render_mutex); in dlfb_handle_damage()
674 static void dlfb_init_damage(struct dlfb_data *dlfb) in dlfb_init_damage() argument
676 dlfb->damage_x = INT_MAX; in dlfb_init_damage()
677 dlfb->damage_x2 = 0; in dlfb_init_damage()
678 dlfb->damage_y = INT_MAX; in dlfb_init_damage()
679 dlfb->damage_y2 = 0; in dlfb_init_damage()
684 struct dlfb_data *dlfb = container_of(w, struct dlfb_data, damage_work); in dlfb_damage_work() local
687 spin_lock_irq(&dlfb->damage_lock); in dlfb_damage_work()
688 x = dlfb->damage_x; in dlfb_damage_work()
689 x2 = dlfb->damage_x2; in dlfb_damage_work()
690 y = dlfb->damage_y; in dlfb_damage_work()
691 y2 = dlfb->damage_y2; in dlfb_damage_work()
692 dlfb_init_damage(dlfb); in dlfb_damage_work()
693 spin_unlock_irq(&dlfb->damage_lock); in dlfb_damage_work()
696 dlfb_handle_damage(dlfb, x, y, x2 - x, y2 - y); in dlfb_damage_work()
699 static void dlfb_offload_damage(struct dlfb_data *dlfb, int x, int y, int width, int height) in dlfb_offload_damage() argument
708 spin_lock_irqsave(&dlfb->damage_lock, flags); in dlfb_offload_damage()
709 dlfb->damage_x = min(x, dlfb->damage_x); in dlfb_offload_damage()
710 dlfb->damage_x2 = max(x2, dlfb->damage_x2); in dlfb_offload_damage()
711 dlfb->damage_y = min(y, dlfb->damage_y); in dlfb_offload_damage()
712 dlfb->damage_y2 = max(y2, dlfb->damage_y2); in dlfb_offload_damage()
713 spin_unlock_irqrestore(&dlfb->damage_lock, flags); in dlfb_offload_damage()
715 schedule_work(&dlfb->damage_work); in dlfb_offload_damage()
728 struct dlfb_data *dlfb = info->par; in dlfb_ops_write() local
738 dlfb_handle_damage(dlfb, 0, start, info->var.xres, in dlfb_ops_write()
750 struct dlfb_data *dlfb = info->par; in dlfb_ops_copyarea() local
754 dlfb_offload_damage(dlfb, area->dx, area->dy, in dlfb_ops_copyarea()
761 struct dlfb_data *dlfb = info->par; in dlfb_ops_imageblit() local
765 dlfb_offload_damage(dlfb, image->dx, image->dy, in dlfb_ops_imageblit()
772 struct dlfb_data *dlfb = info->par; in dlfb_ops_fillrect() local
776 dlfb_offload_damage(dlfb, rect->dx, rect->dy, rect->width, in dlfb_ops_fillrect()
789 struct dlfb_data *dlfb = info->par; in dlfb_dpy_deferred_io() local
797 mutex_lock(&dlfb->render_mutex); in dlfb_dpy_deferred_io()
802 if (!atomic_read(&dlfb->usb_active)) in dlfb_dpy_deferred_io()
807 urb = dlfb_get_urb(dlfb); in dlfb_dpy_deferred_io()
815 if (dlfb_render_hline(dlfb, &urb, (char *) info->fix.smem_start, in dlfb_dpy_deferred_io()
828 dlfb_submit_urb(dlfb, urb, len); in dlfb_dpy_deferred_io()
834 atomic_add(bytes_sent, &dlfb->bytes_sent); in dlfb_dpy_deferred_io()
835 atomic_add(bytes_identical, &dlfb->bytes_identical); in dlfb_dpy_deferred_io()
836 atomic_add(bytes_rendered, &dlfb->bytes_rendered); in dlfb_dpy_deferred_io()
840 &dlfb->cpu_kcycles_used); in dlfb_dpy_deferred_io()
842 mutex_unlock(&dlfb->render_mutex); in dlfb_dpy_deferred_io()
845 static int dlfb_get_edid(struct dlfb_data *dlfb, char *edid, int len) in dlfb_get_edid() argument
855 ret = usb_control_msg(dlfb->udev, in dlfb_get_edid()
856 usb_rcvctrlpipe(dlfb->udev, 0), 0x02, in dlfb_get_edid()
860 dev_err(&dlfb->udev->dev, in dlfb_get_edid()
877 struct dlfb_data *dlfb = info->par; in dlfb_ops_ioctl() local
879 if (!atomic_read(&dlfb->usb_active)) in dlfb_ops_ioctl()
885 if (copy_to_user(edid, dlfb->edid, dlfb->edid_size)) in dlfb_ops_ioctl()
920 dlfb_handle_damage(dlfb, area.x, area.y, area.w, area.h); in dlfb_ops_ioctl()
960 struct dlfb_data *dlfb = info->par; in dlfb_ops_open() local
971 if (dlfb->virtualized) in dlfb_ops_open()
974 dlfb->fb_count++; in dlfb_ops_open()
994 user, info, dlfb->fb_count); in dlfb_ops_open()
1001 struct dlfb_data *dlfb = info->par; in dlfb_ops_destroy() local
1003 cancel_work_sync(&dlfb->damage_work); in dlfb_ops_destroy()
1005 mutex_destroy(&dlfb->render_mutex); in dlfb_ops_destroy()
1015 while (!list_empty(&dlfb->deferred_free)) { in dlfb_ops_destroy()
1016 …struct dlfb_deferred_free *d = list_entry(dlfb->deferred_free.next, struct dlfb_deferred_free, lis… in dlfb_ops_destroy()
1021 vfree(dlfb->backing_buffer); in dlfb_ops_destroy()
1022 kfree(dlfb->edid); in dlfb_ops_destroy()
1023 dlfb_free_urb_list(dlfb); in dlfb_ops_destroy()
1024 usb_put_dev(dlfb->udev); in dlfb_ops_destroy()
1025 kfree(dlfb); in dlfb_ops_destroy()
1036 struct dlfb_data *dlfb = info->par; in dlfb_ops_release() local
1038 dlfb->fb_count--; in dlfb_ops_release()
1040 if ((dlfb->fb_count == 0) && (info->fbdefio)) { in dlfb_ops_release()
1046 dev_dbg(info->dev, "release, user=%d count=%d\n", user, dlfb->fb_count); in dlfb_ops_release()
1055 static int dlfb_is_valid_mode(struct fb_videomode *mode, struct dlfb_data *dlfb) in dlfb_is_valid_mode() argument
1057 if (mode->xres * mode->yres > dlfb->sku_pixel_limit) in dlfb_is_valid_mode()
1079 struct dlfb_data *dlfb = info->par; in dlfb_ops_check_var() local
1086 if (!dlfb_is_valid_mode(&mode, dlfb)) in dlfb_ops_check_var()
1094 struct dlfb_data *dlfb = info->par; in dlfb_ops_set_par() local
1106 if (!memcmp(&dlfb->current_mode, &fvs, sizeof(struct fb_var_screeninfo))) in dlfb_ops_set_par()
1109 result = dlfb_realloc_framebuffer(dlfb, info, info->var.yres * line_length); in dlfb_ops_set_par()
1113 result = dlfb_set_video_mode(dlfb, &info->var); in dlfb_ops_set_par()
1118 dlfb->current_mode = fvs; in dlfb_ops_set_par()
1121 if (dlfb->fb_count == 0) { in dlfb_ops_set_par()
1130 dlfb_handle_damage(dlfb, 0, 0, info->var.xres, info->var.yres); in dlfb_ops_set_par()
1155 struct dlfb_data *dlfb = info->par; in dlfb_ops_blank() local
1160 dlfb->blank_mode, blank_mode); in dlfb_ops_blank()
1162 if ((dlfb->blank_mode == FB_BLANK_POWERDOWN) && in dlfb_ops_blank()
1166 dlfb_set_video_mode(dlfb, &info->var); in dlfb_ops_blank()
1169 urb = dlfb_get_urb(dlfb); in dlfb_ops_blank()
1181 dlfb_submit_urb(dlfb, urb, bufptr - in dlfb_ops_blank()
1184 dlfb->blank_mode = blank_mode; in dlfb_ops_blank()
1208 static void dlfb_deferred_vfree(struct dlfb_data *dlfb, void *mem) in dlfb_deferred_vfree() argument
1214 list_add(&d->list, &dlfb->deferred_free); in dlfb_deferred_vfree()
1221 static int dlfb_realloc_framebuffer(struct dlfb_data *dlfb, struct fb_info *info, u32 new_len) in dlfb_realloc_framebuffer() argument
1243 dlfb_deferred_vfree(dlfb, info->screen_buffer); in dlfb_realloc_framebuffer()
1263 dlfb_deferred_vfree(dlfb, dlfb->backing_buffer); in dlfb_realloc_framebuffer()
1264 dlfb->backing_buffer = new_back; in dlfb_realloc_framebuffer()
1284 static int dlfb_setup_modes(struct dlfb_data *dlfb, in dlfb_setup_modes() argument
1317 i = dlfb_get_edid(dlfb, edid, EDID_LENGTH); in dlfb_setup_modes()
1323 dlfb->edid = edid; in dlfb_setup_modes()
1324 dlfb->edid_size = i; in dlfb_setup_modes()
1333 if (dlfb->edid) { in dlfb_setup_modes()
1334 fb_edid_to_monspecs(dlfb->edid, &info->monspecs); in dlfb_setup_modes()
1346 dlfb->edid = edid; in dlfb_setup_modes()
1347 dlfb->edid_size = default_edid_size; in dlfb_setup_modes()
1358 if (dlfb_is_valid_mode(mode, dlfb)) { in dlfb_setup_modes()
1387 if (dlfb_is_valid_mode(mode, dlfb)) in dlfb_setup_modes()
1406 if ((default_vmode != NULL) && (dlfb->fb_count == 0)) { in dlfb_setup_modes()
1419 if (edid && (dlfb->edid != edid)) in dlfb_setup_modes()
1431 struct dlfb_data *dlfb = fb_info->par; in metrics_bytes_rendered_show() local
1433 atomic_read(&dlfb->bytes_rendered)); in metrics_bytes_rendered_show()
1439 struct dlfb_data *dlfb = fb_info->par; in metrics_bytes_identical_show() local
1441 atomic_read(&dlfb->bytes_identical)); in metrics_bytes_identical_show()
1447 struct dlfb_data *dlfb = fb_info->par; in metrics_bytes_sent_show() local
1449 atomic_read(&dlfb->bytes_sent)); in metrics_bytes_sent_show()
1455 struct dlfb_data *dlfb = fb_info->par; in metrics_cpu_kcycles_used_show() local
1457 atomic_read(&dlfb->cpu_kcycles_used)); in metrics_cpu_kcycles_used_show()
1466 struct dlfb_data *dlfb = fb_info->par; in edid_show() local
1468 if (dlfb->edid == NULL) in edid_show()
1471 if ((off >= dlfb->edid_size) || (count > dlfb->edid_size)) in edid_show()
1474 if (off + count > dlfb->edid_size) in edid_show()
1475 count = dlfb->edid_size - off; in edid_show()
1477 memcpy(buf, dlfb->edid, count); in edid_show()
1488 struct dlfb_data *dlfb = fb_info->par; in edid_store() local
1495 ret = dlfb_setup_modes(dlfb, fb_info, src, src_size); in edid_store()
1499 if (!dlfb->edid || memcmp(src, dlfb->edid, src_size)) in edid_store()
1514 struct dlfb_data *dlfb = fb_info->par; in metrics_reset_store() local
1516 atomic_set(&dlfb->bytes_rendered, 0); in metrics_reset_store()
1517 atomic_set(&dlfb->bytes_identical, 0); in metrics_reset_store()
1518 atomic_set(&dlfb->bytes_sent, 0); in metrics_reset_store()
1519 atomic_set(&dlfb->cpu_kcycles_used, 0); in metrics_reset_store()
1543 static int dlfb_select_std_channel(struct dlfb_data *dlfb) in dlfb_select_std_channel() argument
1552 ret = usb_control_msg_send(dlfb->udev, 0, NR_USB_REQUEST_CHANNEL, in dlfb_select_std_channel()
1560 static int dlfb_parse_vendor_descriptor(struct dlfb_data *dlfb, in dlfb_parse_vendor_descriptor() argument
1616 dlfb->sku_pixel_limit = max_area; in dlfb_parse_vendor_descriptor()
1645 struct dlfb_data *dlfb; in dlfb_usb_probe() local
1652 dlfb = kzalloc(sizeof(*dlfb), GFP_KERNEL); in dlfb_usb_probe()
1653 if (!dlfb) { in dlfb_usb_probe()
1658 INIT_LIST_HEAD(&dlfb->deferred_free); in dlfb_usb_probe()
1660 dlfb->udev = usb_get_dev(usbdev); in dlfb_usb_probe()
1661 usb_set_intfdata(intf, dlfb); in dlfb_usb_probe()
1673 dlfb->sku_pixel_limit = 2048 * 1152; /* default to maximum */ in dlfb_usb_probe()
1675 if (!dlfb_parse_vendor_descriptor(dlfb, intf)) { in dlfb_usb_probe()
1685 dlfb->sku_pixel_limit, pixel_limit); in dlfb_usb_probe()
1686 dlfb->sku_pixel_limit = pixel_limit; in dlfb_usb_probe()
1691 info = framebuffer_alloc(0, &dlfb->udev->dev); in dlfb_usb_probe()
1697 dlfb->info = info; in dlfb_usb_probe()
1698 info->par = dlfb; in dlfb_usb_probe()
1699 info->pseudo_palette = dlfb->pseudo_palette; in dlfb_usb_probe()
1700 dlfb->ops = dlfb_ops; in dlfb_usb_probe()
1701 info->fbops = &dlfb->ops; in dlfb_usb_probe()
1703 mutex_init(&dlfb->render_mutex); in dlfb_usb_probe()
1704 dlfb_init_damage(dlfb); in dlfb_usb_probe()
1705 spin_lock_init(&dlfb->damage_lock); in dlfb_usb_probe()
1706 INIT_WORK(&dlfb->damage_work, dlfb_damage_work); in dlfb_usb_probe()
1710 if (!dlfb_alloc_urb_list(dlfb, WRITES_IN_FLIGHT, MAX_TRANSFER)) { in dlfb_usb_probe()
1724 retval = dlfb_setup_modes(dlfb, info, NULL, 0); in dlfb_usb_probe()
1733 atomic_set(&dlfb->usb_active, 1); in dlfb_usb_probe()
1734 dlfb_select_std_channel(dlfb); in dlfb_usb_probe()
1765 ((dlfb->backing_buffer) ? in dlfb_usb_probe()
1770 if (dlfb->info) { in dlfb_usb_probe()
1771 dlfb_ops_destroy(dlfb->info); in dlfb_usb_probe()
1773 usb_put_dev(dlfb->udev); in dlfb_usb_probe()
1774 kfree(dlfb); in dlfb_usb_probe()
1781 struct dlfb_data *dlfb; in dlfb_usb_disconnect() local
1785 dlfb = usb_get_intfdata(intf); in dlfb_usb_disconnect()
1786 info = dlfb->info; in dlfb_usb_disconnect()
1791 dlfb->virtualized = true; in dlfb_usb_disconnect()
1794 atomic_set(&dlfb->usb_active, 0); in dlfb_usb_disconnect()
1797 dlfb_free_urb_list(dlfb); in dlfb_usb_disconnect()
1819 struct dlfb_data *dlfb = unode->dlfb; in dlfb_urb_completion() local
1832 dev_err(&dlfb->udev->dev, in dlfb_urb_completion()
1835 atomic_set(&dlfb->lost_pixels, 1); in dlfb_urb_completion()
1839 urb->transfer_buffer_length = dlfb->urbs.size; /* reset to actual */ in dlfb_urb_completion()
1841 spin_lock_irqsave(&dlfb->urbs.lock, flags); in dlfb_urb_completion()
1842 list_add_tail(&unode->entry, &dlfb->urbs.list); in dlfb_urb_completion()
1843 dlfb->urbs.available++; in dlfb_urb_completion()
1844 spin_unlock_irqrestore(&dlfb->urbs.lock, flags); in dlfb_urb_completion()
1846 up(&dlfb->urbs.limit_sem); in dlfb_urb_completion()
1849 static void dlfb_free_urb_list(struct dlfb_data *dlfb) in dlfb_free_urb_list() argument
1851 int count = dlfb->urbs.count; in dlfb_free_urb_list()
1858 down(&dlfb->urbs.limit_sem); in dlfb_free_urb_list()
1860 spin_lock_irq(&dlfb->urbs.lock); in dlfb_free_urb_list()
1862 node = dlfb->urbs.list.next; /* have reserved one with sem */ in dlfb_free_urb_list()
1865 spin_unlock_irq(&dlfb->urbs.lock); in dlfb_free_urb_list()
1871 usb_free_coherent(urb->dev, dlfb->urbs.size, in dlfb_free_urb_list()
1877 dlfb->urbs.count = 0; in dlfb_free_urb_list()
1880 static int dlfb_alloc_urb_list(struct dlfb_data *dlfb, int count, size_t size) in dlfb_alloc_urb_list() argument
1887 spin_lock_init(&dlfb->urbs.lock); in dlfb_alloc_urb_list()
1890 dlfb->urbs.size = size; in dlfb_alloc_urb_list()
1891 INIT_LIST_HEAD(&dlfb->urbs.list); in dlfb_alloc_urb_list()
1893 sema_init(&dlfb->urbs.limit_sem, 0); in dlfb_alloc_urb_list()
1894 dlfb->urbs.count = 0; in dlfb_alloc_urb_list()
1895 dlfb->urbs.available = 0; in dlfb_alloc_urb_list()
1897 while (dlfb->urbs.count * size < wanted_size) { in dlfb_alloc_urb_list()
1901 unode->dlfb = dlfb; in dlfb_alloc_urb_list()
1910 buf = usb_alloc_coherent(dlfb->udev, size, GFP_KERNEL, in dlfb_alloc_urb_list()
1917 dlfb_free_urb_list(dlfb); in dlfb_alloc_urb_list()
1924 usb_fill_bulk_urb(urb, dlfb->udev, in dlfb_alloc_urb_list()
1925 usb_sndbulkpipe(dlfb->udev, OUT_EP_NUM), in dlfb_alloc_urb_list()
1929 list_add_tail(&unode->entry, &dlfb->urbs.list); in dlfb_alloc_urb_list()
1931 up(&dlfb->urbs.limit_sem); in dlfb_alloc_urb_list()
1932 dlfb->urbs.count++; in dlfb_alloc_urb_list()
1933 dlfb->urbs.available++; in dlfb_alloc_urb_list()
1936 return dlfb->urbs.count; in dlfb_alloc_urb_list()
1939 static struct urb *dlfb_get_urb(struct dlfb_data *dlfb) in dlfb_get_urb() argument
1946 ret = down_timeout(&dlfb->urbs.limit_sem, GET_URB_TIMEOUT); in dlfb_get_urb()
1948 atomic_set(&dlfb->lost_pixels, 1); in dlfb_get_urb()
1949 dev_warn(&dlfb->udev->dev, in dlfb_get_urb()
1951 ret, dlfb->urbs.available); in dlfb_get_urb()
1955 spin_lock_irq(&dlfb->urbs.lock); in dlfb_get_urb()
1957 BUG_ON(list_empty(&dlfb->urbs.list)); /* reserved one with limit_sem */ in dlfb_get_urb()
1958 entry = dlfb->urbs.list.next; in dlfb_get_urb()
1960 dlfb->urbs.available--; in dlfb_get_urb()
1962 spin_unlock_irq(&dlfb->urbs.lock); in dlfb_get_urb()
1968 static int dlfb_submit_urb(struct dlfb_data *dlfb, struct urb *urb, size_t len) in dlfb_submit_urb() argument
1972 BUG_ON(len > dlfb->urbs.size); in dlfb_submit_urb()
1978 atomic_set(&dlfb->lost_pixels, 1); in dlfb_submit_urb()
1979 dev_err(&dlfb->udev->dev, "submit urb error: %d\n", ret); in dlfb_submit_urb()