drivers/video/vidconsole-uclass.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (c) 2015 Google, Inc
   4  * (C) Copyright 2001-2015
   5  * DENX Software Engineering -- wd@denx.de
   6  * Compulab Ltd - http://compulab.co.il/
   7  * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
   8  */
   9
  10 #define LOG_CATEGORY UCLASS_VIDEO_CONSOLE
  11
  12 #include <common.h>
  13 #include <command.h>
  14 #include <console.h>
  15 #include <log.h>
  16 #include <dm.h>
  17 #include <video.h>
  18 #include <video_console.h>
  19 #include <video_font.h>         /* Bitmap font for code page 437 */
  20 #include <linux/ctype.h>
  21
  22 /*
  23  * Structure to describe a console color
  24  */
  25 struct vid_rgb {
  26         u32 r;
  27         u32 g;
  28         u32 b;
  29 };
  30
  31 /* By default we scroll by a single line */
  32 #ifndef CONFIG_CONSOLE_SCROLL_LINES
  33 #define CONFIG_CONSOLE_SCROLL_LINES 1
  34 #endif
  35
  36 int vidconsole_putc_xy(struct udevice *dev, uint x, uint y, char ch)
  37 {
  38         struct vidconsole_ops *ops = vidconsole_get_ops(dev);
  39
  40         if (!ops->putc_xy)
  41                 return -ENOSYS;
  42         return ops->putc_xy(dev, x, y, ch);
  43 }
  44
  45 int vidconsole_move_rows(struct udevice *dev, uint rowdst, uint rowsrc,
  46                          uint count)
  47 {
  48         struct vidconsole_ops *ops = vidconsole_get_ops(dev);
  49
  50         if (!ops->move_rows)
  51                 return -ENOSYS;
  52         return ops->move_rows(dev, rowdst, rowsrc, count);
  53 }
  54
  55 int vidconsole_set_row(struct udevice *dev, uint row, int clr)
  56 {
  57         struct vidconsole_ops *ops = vidconsole_get_ops(dev);
  58
  59         if (!ops->set_row)
  60                 return -ENOSYS;
  61         return ops->set_row(dev, row, clr);
  62 }
  63
  64 static int vidconsole_entry_start(struct udevice *dev)
  65 {
  66         struct vidconsole_ops *ops = vidconsole_get_ops(dev);
  67
  68         if (!ops->entry_start)
  69                 return -ENOSYS;
  70         return ops->entry_start(dev);
  71 }
  72
  73 /* Move backwards one space */
  74 static int vidconsole_back(struct udevice *dev)
  75 {
  76         struct vidconsole_priv *priv = dev_get_uclass_priv(dev);
  77         struct vidconsole_ops *ops = vidconsole_get_ops(dev);
  78         int ret;
  79
  80         if (ops->backspace) {
  81                 ret = ops->backspace(dev);
  82                 if (ret != -ENOSYS)
  83                         return ret;
  84         }
  85
  86         priv->xcur_frac -= VID_TO_POS(priv->x_charsize);
  87         if (priv->xcur_frac < priv->xstart_frac) {
  88                 priv->xcur_frac = (priv->cols - 1) *
  89                         VID_TO_POS(priv->x_charsize);
  90                 priv->ycur -= priv->y_charsize;
  91                 if (priv->ycur < 0)
  92                         priv->ycur = 0;
  93         }
  94         return video_sync(dev->parent, false);
  95 }
  96
  97 /* Move to a newline, scrolling the display if necessary */
  98 static void vidconsole_newline(struct udevice *dev)
  99 {
 100         struct vidconsole_priv *priv = dev_get_uclass_priv(dev);
 101         struct udevice *vid_dev = dev->parent;
 102         struct video_priv *vid_priv = dev_get_uclass_priv(vid_dev);
 103         const int rows = CONFIG_CONSOLE_SCROLL_LINES;
 104         int i, ret;
 105
 106         priv->xcur_frac = priv->xstart_frac;
 107         priv->ycur += priv->y_charsize;
 108
 109         /* Check if we need to scroll the terminal */
 110         if ((priv->ycur + priv->y_charsize) / priv->y_charsize > priv->rows) {
 111                 vidconsole_move_rows(dev, 0, rows, priv->rows - rows);
 112                 for (i = 0; i < rows; i++)
 113                         vidconsole_set_row(dev, priv->rows - i - 1,
 114                                            vid_priv->colour_bg);
 115                 priv->ycur -= rows * priv->y_charsize;
 116         }
 117         priv->last_ch = 0;
 118
 119         ret = video_sync(dev->parent, false);
 120         if (ret) {
 121 #ifdef DEBUG
 122                 console_puts_select_stderr(true, "[vc err: video_sync]");
 123 #endif
 124         }
 125 }
 126
 127 static const struct vid_rgb colors[VID_COLOR_COUNT] = {
 128         { 0x00, 0x00, 0x00 },  /* black */
 129         { 0xc0, 0x00, 0x00 },  /* red */
 130         { 0x00, 0xc0, 0x00 },  /* green */
 131         { 0xc0, 0x60, 0x00 },  /* brown */
 132         { 0x00, 0x00, 0xc0 },  /* blue */
 133         { 0xc0, 0x00, 0xc0 },  /* magenta */
 134         { 0x00, 0xc0, 0xc0 },  /* cyan */
 135         { 0xc0, 0xc0, 0xc0 },  /* light gray */
 136         { 0x80, 0x80, 0x80 },  /* gray */
 137         { 0xff, 0x00, 0x00 },  /* bright red */
 138         { 0x00, 0xff, 0x00 },  /* bright green */
 139         { 0xff, 0xff, 0x00 },  /* yellow */
 140         { 0x00, 0x00, 0xff },  /* bright blue */
 141         { 0xff, 0x00, 0xff },  /* bright magenta */
 142         { 0x00, 0xff, 0xff },  /* bright cyan */
 143         { 0xff, 0xff, 0xff },  /* white */
 144 };
 145
 146 u32 vid_console_color(struct video_priv *priv, unsigned int idx)
 147 {
 148         switch (priv->bpix) {
 149         case VIDEO_BPP16:
 150                 if (CONFIG_IS_ENABLED(VIDEO_BPP16)) {
 151                         return ((colors[idx].r >> 3) << 11) |
 152                                ((colors[idx].g >> 2) <<  5) |
 153                                ((colors[idx].b >> 3) <<  0);
 154                 }
 155                 break;
 156         case VIDEO_BPP32:
 157                 if (CONFIG_IS_ENABLED(VIDEO_BPP32)) {
 158                         return (colors[idx].r << 16) |
 159                                (colors[idx].g <<  8) |
 160                                (colors[idx].b <<  0);
 161                 }
 162                 break;
 163         default:
 164                 break;
 165         }
 166
 167         /*
 168          * For unknown bit arrangements just support
 169          * black and white.
 170          */
 171         if (idx)
 172                 return 0xffffff; /* white */
 173
 174         return 0x000000; /* black */
 175 }
 176
 177 static char *parsenum(char *s, int *num)
 178 {
 179         char *end;
 180         *num = simple_strtol(s, &end, 10);
 181         return end;
 182 }
 183
 184 /**
 185  * set_cursor_position() - set cursor position
 186  *
 187  * @priv:       private data of the video console
 188  * @row:        new row
 189  * @col:        new column
 190  */
 191 static void set_cursor_position(struct vidconsole_priv *priv, int row, int col)
 192 {
 193         /*
 194          * Ensure we stay in the bounds of the screen.
 195          */
 196         if (row >= priv->rows)
 197                 row = priv->rows - 1;
 198         if (col >= priv->cols)
 199                 col = priv->cols - 1;
 200
 201         priv->ycur = row * priv->y_charsize;
 202         priv->xcur_frac = priv->xstart_frac +
 203                           VID_TO_POS(col * priv->x_charsize);
 204 }
 205
 206 /**
 207  * get_cursor_position() - get cursor position
 208  *
 209  * @priv:       private data of the video console
 210  * @row:        row
 211  * @col:        column
 212  */
 213 static void get_cursor_position(struct vidconsole_priv *priv,
 214                                 int *row, int *col)
 215 {
 216         *row = priv->ycur / priv->y_charsize;
 217         *col = VID_TO_PIXEL(priv->xcur_frac - priv->xstart_frac) /
 218                priv->x_charsize;
 219 }
 220
 221 /*
 222  * Process a character while accumulating an escape string.  Chars are
 223  * accumulated into escape_buf until the end of escape sequence is
 224  * found, at which point the sequence is parsed and processed.
 225  */
 226 static void vidconsole_escape_char(struct udevice *dev, char ch)
 227 {
 228         struct vidconsole_priv *priv = dev_get_uclass_priv(dev);
 229
 230         if (!IS_ENABLED(CONFIG_VIDEO_ANSI))
 231                 goto error;
 232
 233         /* Sanity checking for bogus ESC sequences: */
 234         if (priv->escape_len >= sizeof(priv->escape_buf))
 235                 goto error;
 236         if (priv->escape_len == 0) {
 237                 switch (ch) {
 238                 case '7':
 239                         /* Save cursor position */
 240                         get_cursor_position(priv, &priv->row_saved,
 241                                             &priv->col_saved);
 242                         priv->escape = 0;
 243
 244                         return;
 245                 case '8': {
 246                         /* Restore cursor position */
 247                         int row = priv->row_saved;
 248                         int col = priv->col_saved;
 249
 250                         set_cursor_position(priv, row, col);
 251                         priv->escape = 0;
 252                         return;
 253                 }
 254                 case '[':
 255                         break;
 256                 default:
 257                         goto error;
 258                 }
 259         }
 260
 261         priv->escape_buf[priv->escape_len++] = ch;
 262
 263         /*
 264          * Escape sequences are terminated by a letter, so keep
 265          * accumulating until we get one:
 266          */
 267         if (!isalpha(ch))
 268                 return;
 269
 270         /*
 271          * clear escape mode first, otherwise things will get highly
 272          * surprising if you hit any debug prints that come back to
 273          * this console.
 274          */
 275         priv->escape = 0;
 276
 277         switch (ch) {
 278         case 'A':
 279         case 'B':
 280         case 'C':
 281         case 'D':
 282         case 'E':
 283         case 'F': {
 284                 int row, col, num;
 285                 char *s = priv->escape_buf;
 286
 287                 /*
 288                  * Cursor up/down: [%dA, [%dB, [%dE, [%dF
 289                  * Cursor left/right: [%dD, [%dC
 290                  */
 291                 s++;    /* [ */
 292                 s = parsenum(s, &num);
 293                 if (num == 0)                   /* No digit in sequence ... */
 294                         num = 1;                /* ... means "move by 1". */
 295
 296                 get_cursor_position(priv, &row, &col);
 297                 if (ch == 'A' || ch == 'F')
 298                         row -= num;
 299                 if (ch == 'C')
 300                         col += num;
 301                 if (ch == 'D')
 302                         col -= num;
 303                 if (ch == 'B' || ch == 'E')
 304                         row += num;
 305                 if (ch == 'E' || ch == 'F')
 306                         col = 0;
 307                 if (col < 0)
 308                         col = 0;
 309                 if (row < 0)
 310                         row = 0;
 311                 /* Right and bottom overflows are handled in the callee. */
 312                 set_cursor_position(priv, row, col);
 313                 break;
 314         }
 315         case 'H':
 316         case 'f': {
 317                 int row, col;
 318                 char *s = priv->escape_buf;
 319
 320                 /*
 321                  * Set cursor position: [%d;%df or [%d;%dH
 322                  */
 323                 s++;    /* [ */
 324                 s = parsenum(s, &row);
 325                 s++;    /* ; */
 326                 s = parsenum(s, &col);
 327
 328                 /*
 329                  * Video origin is [0, 0], terminal origin is [1, 1].
 330                  */
 331                 if (row)
 332                         --row;
 333                 if (col)
 334                         --col;
 335
 336                 set_cursor_position(priv, row, col);
 337
 338                 break;
 339         }
 340         case 'J': {
 341                 int mode;
 342
 343                 /*
 344                  * Clear part/all screen:
 345                  *   [J or [0J - clear screen from cursor down
 346                  *   [1J       - clear screen from cursor up
 347                  *   [2J       - clear entire screen
 348                  *
 349                  * TODO we really only handle entire-screen case, others
 350                  * probably require some additions to video-uclass (and
 351                  * are not really needed yet by efi_console)
 352                  */
 353                 parsenum(priv->escape_buf + 1, &mode);
 354
 355                 if (mode == 2) {
 356                         int ret;
 357
 358                         video_clear(dev->parent);
 359                         ret = video_sync(dev->parent, false);
 360                         if (ret) {
 361 #ifdef DEBUG
 362                                 console_puts_select_stderr(true, "[vc err: video_sync]");
 363 #endif
 364                         }
 365                         priv->ycur = 0;
 366                         priv->xcur_frac = priv->xstart_frac;
 367                 } else {
 368                         debug("unsupported clear mode: %d\n", mode);
 369                 }
 370                 break;
 371         }
 372         case 'K': {
 373                 struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent);
 374                 int mode;
 375
 376                 /*
 377                  * Clear (parts of) current line
 378                  *   [0K       - clear line to end
 379                  *   [2K       - clear entire line
 380                  */
 381                 parsenum(priv->escape_buf + 1, &mode);
 382
 383                 if (mode == 2) {
 384                         int row, col;
 385
 386                         get_cursor_position(priv, &row, &col);
 387                         vidconsole_set_row(dev, row, vid_priv->colour_bg);
 388                 }
 389                 break;
 390         }
 391         case 'm': {
 392                 struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent);
 393                 char *s = priv->escape_buf;
 394                 char *end = &priv->escape_buf[priv->escape_len];
 395
 396                 /*
 397                  * Set graphics mode: [%d;...;%dm
 398                  *
 399                  * Currently only supports the color attributes:
 400                  *
 401                  * Foreground Colors:
 402                  *
 403                  *   30 Black
 404                  *   31 Red
 405                  *   32 Green
 406                  *   33 Yellow
 407                  *   34 Blue
 408                  *   35 Magenta
 409                  *   36 Cyan
 410                  *   37 White
 411                  *
 412                  * Background Colors:
 413                  *
 414                  *   40 Black
 415                  *   41 Red
 416                  *   42 Green
 417                  *   43 Yellow
 418                  *   44 Blue
 419                  *   45 Magenta
 420                  *   46 Cyan
 421                  *   47 White
 422                  */
 423
 424                 s++;    /* [ */
 425                 while (s < end) {
 426                         int val;
 427
 428                         s = parsenum(s, &val);
 429                         s++;
 430
 431                         switch (val) {
 432                         case 0:
 433                                 /* all attributes off */
 434                                 video_set_default_colors(dev->parent, false);
 435                                 break;
 436                         case 1:
 437                                 /* bold */
 438                                 vid_priv->fg_col_idx |= 8;
 439                                 vid_priv->colour_fg = vid_console_color(
 440                                                 vid_priv, vid_priv->fg_col_idx);
 441                                 break;
 442                         case 7:
 443                                 /* reverse video */
 444                                 vid_priv->colour_fg = vid_console_color(
 445                                                 vid_priv, vid_priv->bg_col_idx);
 446                                 vid_priv->colour_bg = vid_console_color(
 447                                                 vid_priv, vid_priv->fg_col_idx);
 448                                 break;
 449                         case 30 ... 37:
 450                                 /* foreground color */
 451                                 vid_priv->fg_col_idx &= ~7;
 452                                 vid_priv->fg_col_idx |= val - 30;
 453                                 vid_priv->colour_fg = vid_console_color(
 454                                                 vid_priv, vid_priv->fg_col_idx);
 455                                 break;
 456                         case 40 ... 47:
 457                                 /* background color, also mask the bold bit */
 458                                 vid_priv->bg_col_idx &= ~0xf;
 459                                 vid_priv->bg_col_idx |= val - 40;
 460                                 vid_priv->colour_bg = vid_console_color(
 461                                                 vid_priv, vid_priv->bg_col_idx);
 462                                 break;
 463                         default:
 464                                 /* ignore unsupported SGR parameter */
 465                                 break;
 466                         }
 467                 }
 468
 469                 break;
 470         }
 471         default:
 472                 debug("unrecognized escape sequence: %*s\n",
 473                       priv->escape_len, priv->escape_buf);
 474         }
 475
 476         return;
 477
 478 error:
 479         /* something went wrong, just revert to normal mode: */
 480         priv->escape = 0;
 481 }
 482
 483 /* Put that actual character on the screen (using the CP437 code page). */
 484 static int vidconsole_output_glyph(struct udevice *dev, char ch)
 485 {
 486         struct vidconsole_priv *priv = dev_get_uclass_priv(dev);
 487         int ret;
 488
 489         /*
 490          * Failure of this function normally indicates an unsupported
 491          * colour depth. Check this and return an error to help with
 492          * diagnosis.
 493          */
 494         ret = vidconsole_putc_xy(dev, priv->xcur_frac, priv->ycur, ch);
 495         if (ret == -EAGAIN) {
 496                 vidconsole_newline(dev);
 497                 ret = vidconsole_putc_xy(dev, priv->xcur_frac, priv->ycur, ch);
 498         }
 499         if (ret < 0)
 500                 return ret;
 501         priv->xcur_frac += ret;
 502         priv->last_ch = ch;
 503         if (priv->xcur_frac >= priv->xsize_frac)
 504                 vidconsole_newline(dev);
 505
 506         return 0;
 507 }
 508
 509 int vidconsole_put_char(struct udevice *dev, char ch)
 510 {
 511         struct vidconsole_priv *priv = dev_get_uclass_priv(dev);
 512         int ret;
 513
 514         if (priv->escape) {
 515                 vidconsole_escape_char(dev, ch);
 516                 return 0;
 517         }
 518
 519         switch (ch) {
 520         case '\x1b':
 521                 priv->escape_len = 0;
 522                 priv->escape = 1;
 523                 break;
 524         case '\a':
 525                 /* beep */
 526                 break;
 527         case '\r':
 528                 priv->xcur_frac = priv->xstart_frac;
 529                 break;
 530         case '\n':
 531                 vidconsole_newline(dev);
 532                 vidconsole_entry_start(dev);
 533                 break;
 534         case '\t':      /* Tab (8 chars alignment) */
 535                 priv->xcur_frac = ((priv->xcur_frac / priv->tab_width_frac)
 536                                 + 1) * priv->tab_width_frac;
 537
 538                 if (priv->xcur_frac >= priv->xsize_frac)
 539                         vidconsole_newline(dev);
 540                 break;
 541         case '\b':
 542                 vidconsole_back(dev);
 543                 priv->last_ch = 0;
 544                 break;
 545         default:
 546                 ret = vidconsole_output_glyph(dev, ch);
 547                 if (ret < 0)
 548                         return ret;
 549                 break;
 550         }
 551
 552         return 0;
 553 }
 554
 555 int vidconsole_put_string(struct udevice *dev, const char *str)
 556 {
 557         const char *s;
 558         int ret;
 559
 560         for (s = str; *s; s++) {
 561                 ret = vidconsole_put_char(dev, *s);
 562                 if (ret)
 563                         return ret;
 564         }
 565
 566         return 0;
 567 }
 568
 569 static void vidconsole_putc(struct stdio_dev *sdev, const char ch)
 570 {
 571         struct udevice *dev = sdev->priv;
 572         int ret;
 573
 574         ret = vidconsole_put_char(dev, ch);
 575         if (ret) {
 576 #ifdef DEBUG
 577                 console_puts_select_stderr(true, "[vc err: putc]");
 578 #endif
 579         }
 580         ret = video_sync(dev->parent, false);
 581         if (ret) {
 582 #ifdef DEBUG
 583                 console_puts_select_stderr(true, "[vc err: video_sync]");
 584 #endif
 585         }
 586 }
 587
 588 static void vidconsole_puts(struct stdio_dev *sdev, const char *s)
 589 {
 590         struct udevice *dev = sdev->priv;
 591         int ret;
 592
 593         ret = vidconsole_put_string(dev, s);
 594         if (ret) {
 595 #ifdef DEBUG
 596                 char str[30];
 597
 598                 snprintf(str, sizeof(str), "[vc err: puts %d]", ret);
 599                 console_puts_select_stderr(true, str);
 600 #endif
 601         }
 602         ret = video_sync(dev->parent, false);
 603         if (ret) {
 604 #ifdef DEBUG
 605                 console_puts_select_stderr(true, "[vc err: video_sync]");
 606 #endif
 607         }
 608 }
 609
 610 /* Set up the number of rows and colours (rotated drivers override this) */
 611 static int vidconsole_pre_probe(struct udevice *dev)
 612 {
 613         struct vidconsole_priv *priv = dev_get_uclass_priv(dev);
 614         struct udevice *vid = dev->parent;
 615         struct video_priv *vid_priv = dev_get_uclass_priv(vid);
 616
 617         priv->xsize_frac = VID_TO_POS(vid_priv->xsize);
 618
 619         return 0;
 620 }
 621
 622 /* Register the device with stdio */
 623 static int vidconsole_post_probe(struct udevice *dev)
 624 {
 625         struct vidconsole_priv *priv = dev_get_uclass_priv(dev);
 626         struct stdio_dev *sdev = &priv->sdev;
 627
 628         if (!priv->tab_width_frac)
 629                 priv->tab_width_frac = VID_TO_POS(priv->x_charsize) * 8;
 630
 631         if (dev_seq(dev)) {
 632                 snprintf(sdev->name, sizeof(sdev->name), "vidconsole%d",
 633                          dev_seq(dev));
 634         } else {
 635                 strcpy(sdev->name, "vidconsole");
 636         }
 637
 638         sdev->flags = DEV_FLAGS_OUTPUT;
 639         sdev->putc = vidconsole_putc;
 640         sdev->puts = vidconsole_puts;
 641         sdev->priv = dev;
 642
 643         return stdio_register(sdev);
 644 }
 645
 646 UCLASS_DRIVER(vidconsole) = {
 647         .id             = UCLASS_VIDEO_CONSOLE,
 648         .name           = "vidconsole0",
 649         .pre_probe      = vidconsole_pre_probe,
 650         .post_probe     = vidconsole_post_probe,
 651         .per_device_auto        = sizeof(struct vidconsole_priv),
 652 };
 653
 654 #ifdef CONFIG_VIDEO_COPY
 655 int vidconsole_sync_copy(struct udevice *dev, void *from, void *to)
 656 {
 657         struct udevice *vid = dev_get_parent(dev);
 658
 659         return video_sync_copy(vid, from, to);
 660 }
 661
 662 int vidconsole_memmove(struct udevice *dev, void *dst, const void *src,
 663                        int size)
 664 {
 665         memmove(dst, src, size);
 666         return vidconsole_sync_copy(dev, dst, dst + size);
 667 }
 668 #endif
 669
 670 #if CONFIG_IS_ENABLED(CMD_VIDCONSOLE)
 671 void vidconsole_position_cursor(struct udevice *dev, unsigned col, unsigned row)
 672 {
 673         struct vidconsole_priv *priv = dev_get_uclass_priv(dev);
 674         struct udevice *vid_dev = dev->parent;
 675         struct video_priv *vid_priv = dev_get_uclass_priv(vid_dev);
 676
 677         col *= priv->x_charsize;
 678         row *= priv->y_charsize;
 679         priv->xcur_frac = VID_TO_POS(min_t(short, col, vid_priv->xsize - 1));
 680         priv->xstart_frac = priv->xcur_frac;
 681         priv->ycur = min_t(short, row, vid_priv->ysize - 1);
 682 }
 683
 684 static int do_video_setcursor(struct cmd_tbl *cmdtp, int flag, int argc,
 685                               char *const argv[])
 686 {
 687         unsigned int col, row;
 688         struct udevice *dev;
 689
 690         if (argc != 3)
 691                 return CMD_RET_USAGE;
 692
 693         if (uclass_first_device_err(UCLASS_VIDEO_CONSOLE, &dev))
 694                 return CMD_RET_FAILURE;
 695         col = simple_strtoul(argv[1], NULL, 10);
 696         row = simple_strtoul(argv[2], NULL, 10);
 697         vidconsole_position_cursor(dev, col, row);
 698
 699         return 0;
 700 }
 701
 702 static int do_video_puts(struct cmd_tbl *cmdtp, int flag, int argc,
 703                          char *const argv[])
 704 {
 705         struct udevice *dev;
 706         const char *s;
 707
 708         if (argc != 2)
 709                 return CMD_RET_USAGE;
 710
 711         if (uclass_first_device_err(UCLASS_VIDEO_CONSOLE, &dev))
 712                 return CMD_RET_FAILURE;
 713         for (s = argv[1]; *s; s++)
 714                 vidconsole_put_char(dev, *s);
 715
 716         return video_sync(dev->parent, false);
 717 }
 718
 719 U_BOOT_CMD(
 720         setcurs, 3,     1,      do_video_setcursor,
 721         "set cursor position within screen",
 722         "    <col> <row> in character"
 723 );
 724
 725 U_BOOT_CMD(
 726         lcdputs, 2,     1,      do_video_puts,
 727         "print string on video framebuffer",
 728         "    <string>"
 729 );
 730 #endif /* CONFIG_IS_ENABLED(CMD_VIDCONSOLE) */