Lines Matching refs:dlfb
77 static int dlfb_realloc_framebuffer(struct dlfb_data *dlfb, struct fb_info *info, u32 new_len);
81 static struct urb *dlfb_get_urb(struct dlfb_data *dlfb);
82 static int dlfb_submit_urb(struct dlfb_data *dlfb, struct urb * urb, size_t len);
83 static int dlfb_alloc_urb_list(struct dlfb_data *dlfb, int count, size_t size);
84 static void dlfb_free_urb_list(struct dlfb_data *dlfb);
279 static int dlfb_set_video_mode(struct dlfb_data *dlfb, in dlfb_set_video_mode() argument
288 if (!atomic_read(&dlfb->usb_active)) in dlfb_set_video_mode()
291 urb = dlfb_get_urb(dlfb); in dlfb_set_video_mode()
307 wrptr = dlfb_set_base8bpp(wrptr, dlfb->info->fix.smem_len); in dlfb_set_video_mode()
315 retval = dlfb_submit_urb(dlfb, urb, writesize); in dlfb_set_video_mode()
317 dlfb->blank_mode = FB_BLANK_UNBLANK; in dlfb_set_video_mode()
538 static int dlfb_render_hline(struct dlfb_data *dlfb, struct urb **urb_ptr, in dlfb_render_hline() argument
544 u32 dev_addr = dlfb->base16 + byte_offset; in dlfb_render_hline()
554 if (dlfb->backing_buffer) { in dlfb_render_hline()
556 const u8 *back_start = (u8 *) (dlfb->backing_buffer in dlfb_render_hline()
580 if (dlfb_submit_urb(dlfb, urb, len)) in dlfb_render_hline()
583 urb = dlfb_get_urb(dlfb); in dlfb_render_hline()
597 static int dlfb_handle_damage(struct dlfb_data *dlfb, int x, int y, int width, int height) in dlfb_handle_damage() argument
609 mutex_lock(&dlfb->render_mutex); in dlfb_handle_damage()
616 (x + width > dlfb->info->var.xres) || in dlfb_handle_damage()
617 (y + height > dlfb->info->var.yres)) { in dlfb_handle_damage()
622 if (!atomic_read(&dlfb->usb_active)) { in dlfb_handle_damage()
627 urb = dlfb_get_urb(dlfb); in dlfb_handle_damage()
635 const int line_offset = dlfb->info->fix.line_length * i; in dlfb_handle_damage()
638 if (dlfb_render_hline(dlfb, &urb, in dlfb_handle_damage()
639 (char *) dlfb->info->fix.smem_start, in dlfb_handle_damage()
651 dlfb_submit_urb(dlfb, urb, len); in dlfb_handle_damage()
657 atomic_add(bytes_sent, &dlfb->bytes_sent); in dlfb_handle_damage()
658 atomic_add(bytes_identical, &dlfb->bytes_identical); in dlfb_handle_damage()
659 atomic_add(width*height*2, &dlfb->bytes_rendered); in dlfb_handle_damage()
663 &dlfb->cpu_kcycles_used); in dlfb_handle_damage()
668 mutex_unlock(&dlfb->render_mutex); in dlfb_handle_damage()
672 static void dlfb_init_damage(struct dlfb_data *dlfb) in dlfb_init_damage() argument
674 dlfb->damage_x = INT_MAX; in dlfb_init_damage()
675 dlfb->damage_x2 = 0; in dlfb_init_damage()
676 dlfb->damage_y = INT_MAX; in dlfb_init_damage()
677 dlfb->damage_y2 = 0; in dlfb_init_damage()
682 struct dlfb_data *dlfb = container_of(w, struct dlfb_data, damage_work); in dlfb_damage_work() local
685 spin_lock_irq(&dlfb->damage_lock); in dlfb_damage_work()
686 x = dlfb->damage_x; in dlfb_damage_work()
687 x2 = dlfb->damage_x2; in dlfb_damage_work()
688 y = dlfb->damage_y; in dlfb_damage_work()
689 y2 = dlfb->damage_y2; in dlfb_damage_work()
690 dlfb_init_damage(dlfb); in dlfb_damage_work()
691 spin_unlock_irq(&dlfb->damage_lock); in dlfb_damage_work()
694 dlfb_handle_damage(dlfb, x, y, x2 - x, y2 - y); in dlfb_damage_work()
697 static void dlfb_offload_damage(struct dlfb_data *dlfb, int x, int y, int width, int height) in dlfb_offload_damage() argument
706 spin_lock_irqsave(&dlfb->damage_lock, flags); in dlfb_offload_damage()
707 dlfb->damage_x = min(x, dlfb->damage_x); in dlfb_offload_damage()
708 dlfb->damage_x2 = max(x2, dlfb->damage_x2); in dlfb_offload_damage()
709 dlfb->damage_y = min(y, dlfb->damage_y); in dlfb_offload_damage()
710 dlfb->damage_y2 = max(y2, dlfb->damage_y2); in dlfb_offload_damage()
711 spin_unlock_irqrestore(&dlfb->damage_lock, flags); in dlfb_offload_damage()
713 schedule_work(&dlfb->damage_work); in dlfb_offload_damage()
726 struct dlfb_data *dlfb = info->par; in dlfb_ops_write() local
736 dlfb_handle_damage(dlfb, 0, start, info->var.xres, in dlfb_ops_write()
748 struct dlfb_data *dlfb = info->par; in dlfb_ops_copyarea() local
752 dlfb_offload_damage(dlfb, area->dx, area->dy, in dlfb_ops_copyarea()
759 struct dlfb_data *dlfb = info->par; in dlfb_ops_imageblit() local
763 dlfb_offload_damage(dlfb, image->dx, image->dy, in dlfb_ops_imageblit()
770 struct dlfb_data *dlfb = info->par; in dlfb_ops_fillrect() local
774 dlfb_offload_damage(dlfb, rect->dx, rect->dy, rect->width, in dlfb_ops_fillrect()
787 struct dlfb_data *dlfb = info->par; in dlfb_dpy_deferred_io() local
795 mutex_lock(&dlfb->render_mutex); in dlfb_dpy_deferred_io()
800 if (!atomic_read(&dlfb->usb_active)) in dlfb_dpy_deferred_io()
805 urb = dlfb_get_urb(dlfb); in dlfb_dpy_deferred_io()
813 if (dlfb_render_hline(dlfb, &urb, (char *) info->fix.smem_start, in dlfb_dpy_deferred_io()
826 dlfb_submit_urb(dlfb, urb, len); in dlfb_dpy_deferred_io()
832 atomic_add(bytes_sent, &dlfb->bytes_sent); in dlfb_dpy_deferred_io()
833 atomic_add(bytes_identical, &dlfb->bytes_identical); in dlfb_dpy_deferred_io()
834 atomic_add(bytes_rendered, &dlfb->bytes_rendered); in dlfb_dpy_deferred_io()
838 &dlfb->cpu_kcycles_used); in dlfb_dpy_deferred_io()
840 mutex_unlock(&dlfb->render_mutex); in dlfb_dpy_deferred_io()
843 static int dlfb_get_edid(struct dlfb_data *dlfb, char *edid, int len) in dlfb_get_edid() argument
853 ret = usb_control_msg(dlfb->udev, in dlfb_get_edid()
854 usb_rcvctrlpipe(dlfb->udev, 0), 0x02, in dlfb_get_edid()
858 dev_err(&dlfb->udev->dev, in dlfb_get_edid()
875 struct dlfb_data *dlfb = info->par; in dlfb_ops_ioctl() local
877 if (!atomic_read(&dlfb->usb_active)) in dlfb_ops_ioctl()
883 if (copy_to_user(edid, dlfb->edid, dlfb->edid_size)) in dlfb_ops_ioctl()
918 dlfb_handle_damage(dlfb, area.x, area.y, area.w, area.h); in dlfb_ops_ioctl()
958 struct dlfb_data *dlfb = info->par; in dlfb_ops_open() local
969 if (dlfb->virtualized) in dlfb_ops_open()
972 dlfb->fb_count++; in dlfb_ops_open()
992 user, info, dlfb->fb_count); in dlfb_ops_open()
999 struct dlfb_data *dlfb = info->par; in dlfb_ops_destroy() local
1001 cancel_work_sync(&dlfb->damage_work); in dlfb_ops_destroy()
1003 mutex_destroy(&dlfb->render_mutex); in dlfb_ops_destroy()
1013 while (!list_empty(&dlfb->deferred_free)) { in dlfb_ops_destroy()
1014 …struct dlfb_deferred_free *d = list_entry(dlfb->deferred_free.next, struct dlfb_deferred_free, lis… in dlfb_ops_destroy()
1019 vfree(dlfb->backing_buffer); in dlfb_ops_destroy()
1020 kfree(dlfb->edid); in dlfb_ops_destroy()
1021 dlfb_free_urb_list(dlfb); in dlfb_ops_destroy()
1022 usb_put_dev(dlfb->udev); in dlfb_ops_destroy()
1023 kfree(dlfb); in dlfb_ops_destroy()
1034 struct dlfb_data *dlfb = info->par; in dlfb_ops_release() local
1036 dlfb->fb_count--; in dlfb_ops_release()
1038 if ((dlfb->fb_count == 0) && (info->fbdefio)) { in dlfb_ops_release()
1044 dev_dbg(info->dev, "release, user=%d count=%d\n", user, dlfb->fb_count); in dlfb_ops_release()
1053 static int dlfb_is_valid_mode(struct fb_videomode *mode, struct dlfb_data *dlfb) in dlfb_is_valid_mode() argument
1055 if (mode->xres * mode->yres > dlfb->sku_pixel_limit) in dlfb_is_valid_mode()
1077 struct dlfb_data *dlfb = info->par; in dlfb_ops_check_var() local
1084 if (!dlfb_is_valid_mode(&mode, dlfb)) in dlfb_ops_check_var()
1092 struct dlfb_data *dlfb = info->par; in dlfb_ops_set_par() local
1104 if (!memcmp(&dlfb->current_mode, &fvs, sizeof(struct fb_var_screeninfo))) in dlfb_ops_set_par()
1107 result = dlfb_realloc_framebuffer(dlfb, info, info->var.yres * line_length); in dlfb_ops_set_par()
1111 result = dlfb_set_video_mode(dlfb, &info->var); in dlfb_ops_set_par()
1116 dlfb->current_mode = fvs; in dlfb_ops_set_par()
1119 if (dlfb->fb_count == 0) { in dlfb_ops_set_par()
1128 dlfb_handle_damage(dlfb, 0, 0, info->var.xres, info->var.yres); in dlfb_ops_set_par()
1153 struct dlfb_data *dlfb = info->par; in dlfb_ops_blank() local
1158 dlfb->blank_mode, blank_mode); in dlfb_ops_blank()
1160 if ((dlfb->blank_mode == FB_BLANK_POWERDOWN) && in dlfb_ops_blank()
1164 dlfb_set_video_mode(dlfb, &info->var); in dlfb_ops_blank()
1167 urb = dlfb_get_urb(dlfb); in dlfb_ops_blank()
1179 dlfb_submit_urb(dlfb, urb, bufptr - in dlfb_ops_blank()
1182 dlfb->blank_mode = blank_mode; in dlfb_ops_blank()
1206 static void dlfb_deferred_vfree(struct dlfb_data *dlfb, void *mem) in dlfb_deferred_vfree() argument
1212 list_add(&d->list, &dlfb->deferred_free); in dlfb_deferred_vfree()
1219 static int dlfb_realloc_framebuffer(struct dlfb_data *dlfb, struct fb_info *info, u32 new_len) in dlfb_realloc_framebuffer() argument
1241 dlfb_deferred_vfree(dlfb, (void __force *)info->screen_base); in dlfb_realloc_framebuffer()
1261 dlfb_deferred_vfree(dlfb, dlfb->backing_buffer); in dlfb_realloc_framebuffer()
1262 dlfb->backing_buffer = new_back; in dlfb_realloc_framebuffer()
1282 static int dlfb_setup_modes(struct dlfb_data *dlfb, in dlfb_setup_modes() argument
1315 i = dlfb_get_edid(dlfb, edid, EDID_LENGTH); in dlfb_setup_modes()
1321 dlfb->edid = edid; in dlfb_setup_modes()
1322 dlfb->edid_size = i; in dlfb_setup_modes()
1331 if (dlfb->edid) { in dlfb_setup_modes()
1332 fb_edid_to_monspecs(dlfb->edid, &info->monspecs); in dlfb_setup_modes()
1344 dlfb->edid = edid; in dlfb_setup_modes()
1345 dlfb->edid_size = default_edid_size; in dlfb_setup_modes()
1356 if (dlfb_is_valid_mode(mode, dlfb)) { in dlfb_setup_modes()
1385 if (dlfb_is_valid_mode(mode, dlfb)) in dlfb_setup_modes()
1404 if ((default_vmode != NULL) && (dlfb->fb_count == 0)) { in dlfb_setup_modes()
1417 if (edid && (dlfb->edid != edid)) in dlfb_setup_modes()
1429 struct dlfb_data *dlfb = fb_info->par; in metrics_bytes_rendered_show() local
1431 atomic_read(&dlfb->bytes_rendered)); in metrics_bytes_rendered_show()
1437 struct dlfb_data *dlfb = fb_info->par; in metrics_bytes_identical_show() local
1439 atomic_read(&dlfb->bytes_identical)); in metrics_bytes_identical_show()
1445 struct dlfb_data *dlfb = fb_info->par; in metrics_bytes_sent_show() local
1447 atomic_read(&dlfb->bytes_sent)); in metrics_bytes_sent_show()
1453 struct dlfb_data *dlfb = fb_info->par; in metrics_cpu_kcycles_used_show() local
1455 atomic_read(&dlfb->cpu_kcycles_used)); in metrics_cpu_kcycles_used_show()
1464 struct dlfb_data *dlfb = fb_info->par; in edid_show() local
1466 if (dlfb->edid == NULL) in edid_show()
1469 if ((off >= dlfb->edid_size) || (count > dlfb->edid_size)) in edid_show()
1472 if (off + count > dlfb->edid_size) in edid_show()
1473 count = dlfb->edid_size - off; in edid_show()
1475 memcpy(buf, dlfb->edid, count); in edid_show()
1486 struct dlfb_data *dlfb = fb_info->par; in edid_store() local
1493 ret = dlfb_setup_modes(dlfb, fb_info, src, src_size); in edid_store()
1497 if (!dlfb->edid || memcmp(src, dlfb->edid, src_size)) in edid_store()
1512 struct dlfb_data *dlfb = fb_info->par; in metrics_reset_store() local
1514 atomic_set(&dlfb->bytes_rendered, 0); in metrics_reset_store()
1515 atomic_set(&dlfb->bytes_identical, 0); in metrics_reset_store()
1516 atomic_set(&dlfb->bytes_sent, 0); in metrics_reset_store()
1517 atomic_set(&dlfb->cpu_kcycles_used, 0); in metrics_reset_store()
1541 static int dlfb_select_std_channel(struct dlfb_data *dlfb) in dlfb_select_std_channel() argument
1556 ret = usb_control_msg(dlfb->udev, usb_sndctrlpipe(dlfb->udev, 0), in dlfb_select_std_channel()
1566 static int dlfb_parse_vendor_descriptor(struct dlfb_data *dlfb, in dlfb_parse_vendor_descriptor() argument
1622 dlfb->sku_pixel_limit = max_area; in dlfb_parse_vendor_descriptor()
1651 struct dlfb_data *dlfb; in dlfb_usb_probe() local
1658 dlfb = kzalloc(sizeof(*dlfb), GFP_KERNEL); in dlfb_usb_probe()
1659 if (!dlfb) { in dlfb_usb_probe()
1664 INIT_LIST_HEAD(&dlfb->deferred_free); in dlfb_usb_probe()
1666 dlfb->udev = usb_get_dev(usbdev); in dlfb_usb_probe()
1667 usb_set_intfdata(intf, dlfb); in dlfb_usb_probe()
1679 dlfb->sku_pixel_limit = 2048 * 1152; /* default to maximum */ in dlfb_usb_probe()
1681 if (!dlfb_parse_vendor_descriptor(dlfb, intf)) { in dlfb_usb_probe()
1691 dlfb->sku_pixel_limit, pixel_limit); in dlfb_usb_probe()
1692 dlfb->sku_pixel_limit = pixel_limit; in dlfb_usb_probe()
1697 info = framebuffer_alloc(0, &dlfb->udev->dev); in dlfb_usb_probe()
1703 dlfb->info = info; in dlfb_usb_probe()
1704 info->par = dlfb; in dlfb_usb_probe()
1705 info->pseudo_palette = dlfb->pseudo_palette; in dlfb_usb_probe()
1706 dlfb->ops = dlfb_ops; in dlfb_usb_probe()
1707 info->fbops = &dlfb->ops; in dlfb_usb_probe()
1709 mutex_init(&dlfb->render_mutex); in dlfb_usb_probe()
1710 dlfb_init_damage(dlfb); in dlfb_usb_probe()
1711 spin_lock_init(&dlfb->damage_lock); in dlfb_usb_probe()
1712 INIT_WORK(&dlfb->damage_work, dlfb_damage_work); in dlfb_usb_probe()
1716 if (!dlfb_alloc_urb_list(dlfb, WRITES_IN_FLIGHT, MAX_TRANSFER)) { in dlfb_usb_probe()
1730 retval = dlfb_setup_modes(dlfb, info, NULL, 0); in dlfb_usb_probe()
1739 atomic_set(&dlfb->usb_active, 1); in dlfb_usb_probe()
1740 dlfb_select_std_channel(dlfb); in dlfb_usb_probe()
1771 ((dlfb->backing_buffer) ? in dlfb_usb_probe()
1776 if (dlfb->info) { in dlfb_usb_probe()
1777 dlfb_ops_destroy(dlfb->info); in dlfb_usb_probe()
1779 usb_put_dev(dlfb->udev); in dlfb_usb_probe()
1780 kfree(dlfb); in dlfb_usb_probe()
1787 struct dlfb_data *dlfb; in dlfb_usb_disconnect() local
1791 dlfb = usb_get_intfdata(intf); in dlfb_usb_disconnect()
1792 info = dlfb->info; in dlfb_usb_disconnect()
1797 dlfb->virtualized = true; in dlfb_usb_disconnect()
1800 atomic_set(&dlfb->usb_active, 0); in dlfb_usb_disconnect()
1803 dlfb_free_urb_list(dlfb); in dlfb_usb_disconnect()
1825 struct dlfb_data *dlfb = unode->dlfb; in dlfb_urb_completion() local
1838 dev_err(&dlfb->udev->dev, in dlfb_urb_completion()
1841 atomic_set(&dlfb->lost_pixels, 1); in dlfb_urb_completion()
1845 urb->transfer_buffer_length = dlfb->urbs.size; /* reset to actual */ in dlfb_urb_completion()
1847 spin_lock_irqsave(&dlfb->urbs.lock, flags); in dlfb_urb_completion()
1848 list_add_tail(&unode->entry, &dlfb->urbs.list); in dlfb_urb_completion()
1849 dlfb->urbs.available++; in dlfb_urb_completion()
1850 spin_unlock_irqrestore(&dlfb->urbs.lock, flags); in dlfb_urb_completion()
1852 up(&dlfb->urbs.limit_sem); in dlfb_urb_completion()
1855 static void dlfb_free_urb_list(struct dlfb_data *dlfb) in dlfb_free_urb_list() argument
1857 int count = dlfb->urbs.count; in dlfb_free_urb_list()
1864 down(&dlfb->urbs.limit_sem); in dlfb_free_urb_list()
1866 spin_lock_irq(&dlfb->urbs.lock); in dlfb_free_urb_list()
1868 node = dlfb->urbs.list.next; /* have reserved one with sem */ in dlfb_free_urb_list()
1871 spin_unlock_irq(&dlfb->urbs.lock); in dlfb_free_urb_list()
1877 usb_free_coherent(urb->dev, dlfb->urbs.size, in dlfb_free_urb_list()
1883 dlfb->urbs.count = 0; in dlfb_free_urb_list()
1886 static int dlfb_alloc_urb_list(struct dlfb_data *dlfb, int count, size_t size) in dlfb_alloc_urb_list() argument
1893 spin_lock_init(&dlfb->urbs.lock); in dlfb_alloc_urb_list()
1896 dlfb->urbs.size = size; in dlfb_alloc_urb_list()
1897 INIT_LIST_HEAD(&dlfb->urbs.list); in dlfb_alloc_urb_list()
1899 sema_init(&dlfb->urbs.limit_sem, 0); in dlfb_alloc_urb_list()
1900 dlfb->urbs.count = 0; in dlfb_alloc_urb_list()
1901 dlfb->urbs.available = 0; in dlfb_alloc_urb_list()
1903 while (dlfb->urbs.count * size < wanted_size) { in dlfb_alloc_urb_list()
1907 unode->dlfb = dlfb; in dlfb_alloc_urb_list()
1916 buf = usb_alloc_coherent(dlfb->udev, size, GFP_KERNEL, in dlfb_alloc_urb_list()
1923 dlfb_free_urb_list(dlfb); in dlfb_alloc_urb_list()
1930 usb_fill_bulk_urb(urb, dlfb->udev, usb_sndbulkpipe(dlfb->udev, 1), in dlfb_alloc_urb_list()
1934 list_add_tail(&unode->entry, &dlfb->urbs.list); in dlfb_alloc_urb_list()
1936 up(&dlfb->urbs.limit_sem); in dlfb_alloc_urb_list()
1937 dlfb->urbs.count++; in dlfb_alloc_urb_list()
1938 dlfb->urbs.available++; in dlfb_alloc_urb_list()
1941 return dlfb->urbs.count; in dlfb_alloc_urb_list()
1944 static struct urb *dlfb_get_urb(struct dlfb_data *dlfb) in dlfb_get_urb() argument
1951 ret = down_timeout(&dlfb->urbs.limit_sem, GET_URB_TIMEOUT); in dlfb_get_urb()
1953 atomic_set(&dlfb->lost_pixels, 1); in dlfb_get_urb()
1954 dev_warn(&dlfb->udev->dev, in dlfb_get_urb()
1956 ret, dlfb->urbs.available); in dlfb_get_urb()
1960 spin_lock_irq(&dlfb->urbs.lock); in dlfb_get_urb()
1962 BUG_ON(list_empty(&dlfb->urbs.list)); /* reserved one with limit_sem */ in dlfb_get_urb()
1963 entry = dlfb->urbs.list.next; in dlfb_get_urb()
1965 dlfb->urbs.available--; in dlfb_get_urb()
1967 spin_unlock_irq(&dlfb->urbs.lock); in dlfb_get_urb()
1973 static int dlfb_submit_urb(struct dlfb_data *dlfb, struct urb *urb, size_t len) in dlfb_submit_urb() argument
1977 BUG_ON(len > dlfb->urbs.size); in dlfb_submit_urb()
1983 atomic_set(&dlfb->lost_pixels, 1); in dlfb_submit_urb()
1984 dev_err(&dlfb->udev->dev, "submit urb error: %d\n", ret); in dlfb_submit_urb()